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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		74
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		76
47	our %COMMAND = ();	77	our %COMMAND = ();
48	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
49		79
50	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
54		85
55	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	87	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		88
59	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	90	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	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(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	107	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	113	our $DB_ENV;
69		114
70	our %CFG;	115	our %CFG;
71		116
72	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
74		120
75	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		124
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
87	binmode STDOUT;	135	binmode STDOUT;
88	binmode STDERR;	136	binmode STDERR;
89		137
90	# read virtual server time, if available	138	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
92	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
93	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
94	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
95	}	143	}
96		144
97	mkdir cf::localdir;	145	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		147
104	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
105		149
106	sub cf::map::normalise;	150	sub cf::map::normalise;
107		151
…		…
118	=item $cf::RUNTIME	162	=item $cf::RUNTIME
119		163
120	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
121	every server tick.	165	every server tick.
122		166
123	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
124		170
125	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
126	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
127		175
128	=item $cf::NOW	176	=item $cf::NOW
129		177
130	The time of the last (current) server tick.	178	The time of the last (current) server tick.
131		179
132	=item $cf::TICK	180	=item $cf::TICK
133		181
134	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
135		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
136	=item %cf::CFG	194	=item %cf::CFG
137		195
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	197	from wherever your confdir points to.
140		198
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		200
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
147		210
148	=back	211	=back
149		212
150	=cut	213	=cut
151		214
152	BEGIN {	215	BEGIN {
153	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	217	my $msg = join "", @_;
155	utf8::encode $msg;
156		218
157	$msg .= "\n"	219	$msg .= "\n"
158	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
159		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
160	LOG llevError, $msg;	224	LOG llevError, $msg;
161	};	225	};
162	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
163		242
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
169	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
170		250
171	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
172	# within the Safe compartment.	252	# within the Safe compartment.
173	for my $pkg (qw(	253	for my $pkg (qw(
174	cf::global cf::attachable	254	cf::global cf::attachable
175	cf::object cf::object::player	255	cf::object cf::object::player
176	cf::client cf::player	256	cf::client cf::player
177	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
178	cf::map cf::party cf::region	259	cf::party cf::region
179	)) {	260	)) {
180	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	262	}
183		263
184	$Event::DIED = sub {	264	$EV::DIED = sub {
185	warn "error in event callback: @_";	265	warn "error in event callback: @_";
186	};	266	};
		267
		268	#############################################################################
187		269
188	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
189		271
190	=over 4	272	=over 4
191		273
…		…
210	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
211	$d	293	$d
212	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
213	}	295	}
214		296
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
218		298
219	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
220		300
221	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
222		302
223	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
		324	}
224		325
225	=item cf::lock_wait $string	326	=item cf::lock_wait $string
226		327
227	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
228		329
…		…
231	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
232	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
233	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
234	returned.	335	returned.
235		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
236	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
237	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
238		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
239	=cut	347	=cut
240		348
241	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
242		351
243	sub lock_wait($) {	352	sub lock_wait($) {
244	my ($key) = @_;	353	my ($key) = @_;
245		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
246	# wait for lock, if any	360	# wait for lock, if any
247	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
248	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	364	Coro::schedule;
250	}	365	}
251	}	366	}
252		367
…		…
255		370
256	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
257	lock_wait $key;	372	lock_wait $key;
258		373
259	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
260		376
261	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
264	}	381	}
265	}	382	}
266		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
267	sub freeze_mainloop {	390	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
269		392
270	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
271	$TICK_WATCHER->start;	394	}
		395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
272	};	454	}
273	$TICK_WATCHER->stop;	455	};
274	$guard	456
		457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
275	}	469	}
276		470
277	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
278		472
279	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		478
285	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
286		480
287	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
288		482
289	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
292		487
293	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
296	fast or be very important.	491	fast or be very important.
…		…
299		494
300	sub sync_job(&) {	495	sub sync_job(&) {
301	my ($job) = @_;	496	my ($job) = @_;
302		497
303	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
304	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
306		503
307	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	505
309	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
310		507
311	my $busy = 1;	508	my $busy = 1;
312	my @res;	509	my @res;
313		510
314	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	513	@res = eval { $job->() };
316	warn $@ if $@;	514	warn $@ if $@;
317	undef $busy;	515	undef $busy;
318	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
319		517
320	while ($busy) {	518	while ($busy) {
321	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
322	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
323		529
324	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
325	} else {	531	} else {
326	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
327		533
…		…
347	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
348		554
349	$coro	555	$coro
350	}	556	}
351		557
352	sub write_runtime {	558	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		559
355	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
356		564
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
358	or return;
359		566
360	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		569
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
365	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
366		573
367	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	575	reset_signals;
369	and return;	576	&$cb
		577	}, @args;
370		578
371	close $fh	579	wantarray ? @res : $res[-1]
372	or return;	580	}
373		581
374	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
375	and return;
376		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
377	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
378	}	734	}
379		735
380	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
381		737
382	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
394		750
395	#############################################################################	751	#############################################################################
396		752
397	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
398		754
399	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
400	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
402		758
403	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	761	Deliantra).
406		762
407	=over 4	763	=over 4
408		764
409	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
410		766
…		…
454	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
455		811
456	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
457	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
458		814
459	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
460	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
461		817
462	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
463		819
464	=over 4	820	=over 4
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
574		930
575	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		935
580	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	937	my $pkg = shift @arg;
582		938
583	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
613	}	969	}
614		970
615	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
616	} else {	972	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	974	}
619		975
620	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
621	}	977	}
622		978
…		…
624	if (ref $_[0]) {	980	if (ref $_[0]) {
625	_object_attach @_;	981	_object_attach @_;
626	} else {	982	} else {
627	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
628	}	984	}
		985	_recalc_want;
629	};	986	};
630		987
631	# all those should be optimised	988	# all those should be optimised
632	sub cf::attachable::detach {	989	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
637	reattach ($obj);	994	reattach ($obj);
638	} else {	995	} else {
639	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
640	}	997	}
		998	_recalc_want;
641	};	999	};
642		1000
643	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
645		1003
…		…
660	";	1018	";
661	die if $@;	1019	die if $@;
662	}	1020	}
663		1021
664	our $override;	1022	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		1024
667	sub override {	1025	sub override {
668	$override = 1;	1026	$override = 1;
669	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
670	}	1028	}
671		1029
672	sub do_invoke {	1030	sub do_invoke {
673	my $event = shift;	1031	my $event = shift;
674	my $callbacks = shift;	1032	my $callbacks = shift;
675		1033
676	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
677		1035
678	local $override;	1036	local $override;
679		1037
680	for (@$callbacks) {	1038	for (@$callbacks) {
681	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
690	}	1048	}
691		1049
692	0	1050	0
693	}	1051	}
694		1052
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1054
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1056
699	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
700		1058
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1062
705	=back	1063	=back
706		1064
707	=cut	1065	=cut
708		1066
709	#############################################################################	1067	#############################################################################
710	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
711		1111
712	sub reattach {	1112	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1114	my ($obj) = @_;
715		1115
		1116	# no longer needed after getting rid of delete_package?
716	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		1118
718	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
719		1120
720	@$registry = ();	1121	@$registry = ();
721		1122
…		…
736	cf::attachable->attach (	1137	cf::attachable->attach (
737	prio => -1000000,	1138	prio => -1000000,
738	on_instantiate => sub {	1139	on_instantiate => sub {
739	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
740		1141
741	$data = from_json $data;	1142	$data = decode_json $data;
742		1143
743	for (@$data) {	1144	for (@$data) {
744	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
745		1146
746	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1163	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
764		1165
765	sync_job {	1166	sync_job {
766	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
769		1171
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1176	aio_close $fh;
775		1177
776	if (@$objs) {	1178	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1184	aio_close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
784	}	1186	}
785	} else {	1187	} else {
786	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
787	}	1189	}
…		…
792	}	1194	}
793	} else {	1195	} else {
794	aio_unlink $filename;	1196	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
796	}	1198	}
797	}	1199	};
798	}	1200	}
799		1201
800	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
802		1204
…		…
814	or return;	1216	or return;
815		1217
816	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
818	or return;	1220	or return;
		1221
819	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
820	}	1224	}
821		1225
		1226	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
824	return ($data, $av);	1230	($data, $av)
825	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
826		1238
827	#############################################################################	1239	#############################################################################
828	# command handling &c	1240	# command handling &c
829		1241
830	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1256	}
845		1257
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1259
848	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
849		1265
850	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
851	called.	1267	called.
852		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
853	=cut	1280	=cut
854		1281
855	sub register_extcmd {	1282	sub register_extcmd {
856	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
857		1284
858	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
859	}	1292	}
860		1293
861	cf::player->attach (	1294	cf::player->attach (
862	on_command => sub {	1295	on_command => sub {
863	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1305	cf::override;
873	},	1306	},
874	on_extcmd => sub {	1307	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
876		1309
877	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1311
879	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
885	} else {	1327	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1329	}
888		1330
889	cf::override;	1331	cf::override;
890	},	1332	},
891	);	1333	);
892		1334
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
928	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1340	next unless -r $path;
930	eval {	1341
931	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
932	1	1398	}
933	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
934	}	1404	};
935	}	1405	}
936		1406
937	#############################################################################	1407	#############################################################################
938		1408
		1409	=back
		1410
939	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
940		1412
941	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
942		1414
943	=cut	1415	=cut
944		1416
945	package cf::player;	1417	package cf::player;
946		1418
…		…
948		1420
949	=head3 cf::player	1421	=head3 cf::player
950		1422
951	=over 4	1423	=over 4
952		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
953	=item cf::player::find $login	1439	=item cf::player::find $login
954		1440
955	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
956		1442
957	=cut	1443	=cut
958		1444
959	sub playerdir($) {	1445	sub playerdir($) {
960	cf::localdir	1446	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1448	}
966		1449
967	sub path($) {	1450	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1461
979	sub exists($) {	1462	sub exists($) {
980	my ($login) = @_;	1463	my ($login) = @_;
981		1464
982	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
984	}	1467	}
985		1468
986	sub find($) {	1469	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1471	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1481	aio_unlink +(playerdir $login) . "/$login.pl";
999		1482
1000	my $pl = load_pl path $login	1483	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1003	}	1492	}
1004	}	1493	}
1005	}	1494	}
1006		1495
…		…
1015	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1016		1505
1017	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1019		1508
		1509	cf::get_slot 0.01;
		1510
1020	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1021	Coro::cede;	1512	cf::cede_to_tick;
1022	}	1513	}
1023		1514
1024	sub new($) {	1515	sub new($) {
1025	my ($login) = @_;	1516	my ($login) = @_;
1026		1517
…		…
1032	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1033		1524
1034	$self	1525	$self
1035	}	1526	}
1036		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1037	=item $pl->quit_character	1538	=item $pl->quit_character
1038		1539
1039	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1041		1542
…		…
1045	my ($pl) = @_;	1546	my ($pl) = @_;
1046		1547
1047	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1048		1549
1049	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1552
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1056		1559
1057	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1089		1592
1090	=cut	1593	=cut
1091		1594
1092	sub list_logins {	1595	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1597	or return [];
1095		1598
1096	my @logins;	1599	my @logins;
1097		1600
1098	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1102		1611
1103	utf8::decode $login;	1612	utf8::decode $login;
1104	push @logins, $login;	1613	push @logins, $login;
1105	}	1614	}
1106		1615
…		…
1133	}	1642	}
1134		1643
1135	\@paths	1644	\@paths
1136	}	1645	}
1137		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1138	=item $player->ext_reply ($msgid, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1139		1652
1140	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1141		1654
1142	=cut	1655	=cut
1143		1656
1144	sub ext_reply($$%) {	1657	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1146		1659
1147	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1661	}
1151		1662
1152	=item $player->ext_event ($type, %msg)	1663	=item $player->ext_msg ($type, @msg)
1153		1664
1154	Sends an ext event to the client.	1665	Sends an ext event to the client.
1155		1666
1156	=cut	1667	=cut
1157		1668
1158	sub ext_event($$%) {	1669	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1670	my ($self, $type, @msg) = @_;
1160		1671
1161	$self->ns->ext_event ($type, %msg);	1672	$self->ns->ext_msg ($type, @msg);
1162	}	1673	}
1163		1674
1164	package cf;	1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1165		1703
1166	=back	1704	=back
1167
1168		1705
1169	=head3 cf::map	1706	=head3 cf::map
1170		1707
1171	=over 4	1708	=over 4
1172		1709
…		…
1184	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1186		1723
1187	sub generate_random_map {	1724	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1189	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1730	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1228		1768
1229	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1230	local $self->{path};	1770	local $self->{path};
1231	local $self->{load_path};	1771	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1772
1235	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1236	}	1774	}
1237		1775
1238	sub normalise {	1776	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1286	return $self;	1824	return $self;
1287	}	1825	}
1288	}	1826	}
1289		1827
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1829	()
1292	}	1830	}
1293		1831
1294	sub init {	1832	sub init {
1295	my ($self) = @_;	1833	my ($self) = @_;
…		…
1310		1848
1311	# the original (read-only) location	1849	# the original (read-only) location
1312	sub load_path {	1850	sub load_path {
1313	my ($self) = @_;	1851	my ($self) = @_;
1314		1852
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1316	}	1854	}
1317		1855
1318	# the temporary/swap location	1856	# the temporary/swap location
1319	sub save_path {	1857	sub save_path {
1320	my ($self) = @_;	1858	my ($self) = @_;
1321		1859
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1324	}	1862	}
1325		1863
1326	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1327	sub uniq_path {	1865	sub uniq_path {
1328	my ($self) = @_;	1866	my ($self) = @_;
1329		1867
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1332	}	1870	}
1333		1871
1334	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1335	# all maps in C++...	1873	# all maps in C++...
1336	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1338		1876
1339	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1341	}	1879	}
1342		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1343	sub unlink_save {	1889	sub unlink_save {
1344	my ($self) = @_;	1890	my ($self) = @_;
1345		1891
1346	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1896
1351	sub load_header_from($) {	1897	sub load_header_from($) {
1352	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1353		1899
1354	utf8::encode $path;	1900	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1360		1909
1361	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1362		1911
1363	1	1912	1
1364	}	1913	}
…		…
1403	$self->load_header_orig	1952	$self->load_header_orig
1404	or return;	1953	or return;
1405	$self->prepare_orig;	1954	$self->prepare_orig;
1406	}	1955	}
1407		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1408	1	1963	1
1409	}	1964	}
1410		1965
1411	sub find;	1966	sub find;
1412	sub find {	1967	sub find {
1413	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1414		1969
1415	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1416		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1418		1974
1419	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1421	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1422	or return;	1980	or return;
1423		1981
1424	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1425		1983
1426	$map->load_header	1984	$map->load_header
1427	or return;	1985	or return;
1428		1986
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1432	$map->reset;	1992	$map->reset;
1433	undef $guard;
1434	return find $path;	1993	return find $path;
1435	}	1994	}
1436		1995
1437	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1438	}	1997	}
…		…
1445	my ($self) = @_;	2004	my ($self) = @_;
1446		2005
1447	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1448		2007
1449	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1451		2012
		2013	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2015
1454	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1455		2017
1456	$self->alloc;	2018	$self->alloc;
1457		2019
1458	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1459		2022
1460	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1461	or return;	2026	or return;
1462		2027
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1464	if delete $self->{load_original};	2029	if delete $self->{load_original};
1465		2030
1466	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2032	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2035	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1471	}	2039	}
1472	}	2040	}
1473		2041
1474	Coro::cede;	2042	$f->resolve_delayed_derefs;
1475		2043
		2044	cf::cede_to_tick;
1476	# now do the right thing for maps	2045	# now do the right thing for maps
1477	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1478
1479	unless ($self->{deny_activate}) {
1480	$self->decay_objects;
1481	$self->fix_auto_apply;
1482	$self->update_buttons;
1483	Coro::cede;
1484	$self->set_darkness_map;
1485	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2048	unless $self->difficulty;
1487	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1488	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2065	}
1490		2066
1491	$self->post_load;	2067	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2068	}
1495		2069
1496	sub customise_for {	2070	sub customise_for {
1497	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1498		2072
1499	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2074	if $self->per_player;
1501		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1502	$self	2079	$self
1503	}	2080	}
1504		2081
1505	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2083	sub load_neighbours {
1507	my ($map) = @_;	2084	my ($map) = @_;
1508		2085
1509	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1510		2087
1511	for (0 .. 3) {	2088	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1513	or next;	2090	or next;
1514	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1515	or next;	2092	or next;
1516	$neigh->load;	2093	$neigh->load;
1517		2094
		2095	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2098	}
1521		2099
1522	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1524	or next;	2103	or next;
1525	$neigh->load;	2104	$neigh->load;
1526	}	2105	}
1527	}	2106	}
1528		2107
…		…
1533	}	2112	}
1534		2113
1535	sub do_load_sync {	2114	sub do_load_sync {
1536	my ($map) = @_;	2115	my ($map) = @_;
1537		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1538	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1539	}	2121	}
1540		2122
1541	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1543		2125
1544	sub find_async {	2126	sub find_async {
1545	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1546		2128
1547	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1548		2130
1549	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2133	}
1552		2134
1553	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1554	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1555	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2142	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2143	$map->load if $v;
		2144	}
1560		2145
1561	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1562	}	2147	}
1563	}	2148	}
1564	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1565	};	2150	};
1566	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2154	}
1570		2155
1571	sub save {	2156	sub save {
1572	my ($self) = @_;	2157	my ($self) = @_;
1573		2158
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2160
1576	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1577		2162
1578	return unless $self->dirty;	2163	return unless $self->dirty;
1579		2164
…		…
1585	return if $self->{deny_save};	2170	return if $self->{deny_save};
1586		2171
1587	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1588		2173
1589	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1591	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1592		2180
1593	if ($uniq) {	2181	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2184	} else {
…		…
1602	my ($self) = @_;	2190	my ($self) = @_;
1603		2191
1604	# save first because save cedes	2192	# save first because save cedes
1605	$self->save;	2193	$self->save;
1606		2194
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2196
1609	return if $self->players;	2197	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2199	return if $self->{deny_save};
1612		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2205	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2206	}
1616		2207
1617	sub reset_at {	2208	sub reset_at {
1618	my ($self) = @_;	2209	my ($self) = @_;
1619		2210
1620	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1621	return 1e99 if $self->isa ("ext::map_per_player");#d#
1622	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1623		2213
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2216
…		…
1637	my ($self) = @_;	2227	my ($self) = @_;
1638		2228
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2230
1641	return if $self->players;	2231	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2232
1644	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1645		2234
1646	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1647		2236
1648	# need to save uniques path	2237	# need to save uniques path
1649	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2242	if $uniq;
1654	}	2243	}
1655		2244
1656	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1657		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2249	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2250
1662	$self->unlink_save;	2251	$self->unlink_save;
1663	$self->destroy;	2252	$self->destroy;
1664	}	2253	}
1665		2254
1666	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1667		2256
1668	sub nuke {	2257	sub nuke {
1669	my ($self) = @_;	2258	my ($self) = @_;
1670		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1671	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1672		2264
1673	$self->unlink_save;	2265	$self->unlink_save;
1674		2266
1675	bless $self, "cf::map";	2267	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2272
1681	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1682		2275
1683	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1684	}	2313	}
1685		2314
1686	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1687		2316
1688	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2318	instantiated unique items. May block.
1690		2319
1691	=cut	2320	=cut
1692		2321
1693	sub unique_maps() {	2322	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1695	or return;	2324	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2325	utf8::decode $_;
1701	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2328	? ()
1704	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2331	]
1706
1707	\@paths
1708	}	2332	}
1709
1710	package cf;
1711		2333
1712	=back	2334	=back
1713		2335
1714	=head3 cf::object	2336	=head3 cf::object
1715		2337
…		…
1719		2341
1720	=over 4	2342	=over 4
1721		2343
1722	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1723		2345
1724	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1725		2348
1726	=cut	2349	=cut
1727		2350
1728	sub inv_recursive_;	2351	sub inv_recursive_;
1729	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1732		2355
1733	sub inv_recursive {	2356	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1735	}	2358	}
1736		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1737	package cf;	2388	package cf;
1738		2389
1739	=back	2390	=back
1740		2391
1741	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1748	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1750		2401
1751	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1752		2417
1753	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2419	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1758		2423
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2425
1761	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1763	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1766	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1767	}	2451	}
1768		2452
1769	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1770		2454
1771	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1784		2468
1785	=item $player_object->enter_link	2469	=item $player_object->enter_link
1786		2470
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2472
1789	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1790	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1791		2477
1792	Will never block.	2478	Will never block.
1793		2479
1794	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1795		2481
…		…
1818	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1819		2505
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2507
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1824		2510
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2512	}
1827		2513
1828	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1830		2518
1831	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1832		2520
1833	unless ($map) {	2521	unless ($map) {
1834	# restore original map position	2522	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1851		2539
1852	$map->load;	2540	$map->load;
1853	$map->load_diag;	2541	$map->load_neighbours;
1854		2542
1855	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2545	$self->activate_recursive;
1857		2546
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1860	}	2549	}
1861		2550
1862	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2552
1866	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1870	};	2557	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2558
1876	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1878	if ($pl->ob->{_link_pos}) {
1879	$pl->ob->enter_link;
1880	(async {
1881	$pl->ob->reply (undef,
1882	"There was an internal problem at your last logout, "
1883	. "the server will try to bring you to your intended destination in a second.",
1884	cf::NDI_RED);
1885	# we need this sleep as the login has a concurrent enter_exit running
1886	# and this sleep increases chances of the player not ending up in scorn
1887	Coro::Timer::sleep 1;
1888	$pl->ob->leave_link;
1889	})->prio (2);
1890	}
1891	},
1892	);
1893		2561
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1897		2565
1898	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2571
1901	$self->enter_link;	2572	$self->enter_link;
1902		2573
1903	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1904	my $map = eval {	2596	my $map = eval {
1905	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1907	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2612	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1912	})->prio (1);	2620	})->prio (1);
1913	}	2621	}
1914		2622
1915	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1916		2624
…		…
1936	}	2644	}
1937		2645
1938	sub prepare_random_map {	2646	sub prepare_random_map {
1939	my ($exit) = @_;	2647	my ($exit) = @_;
1940		2648
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2651	# that depends on the exit object
1946		2652
1947	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2655	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1954	}	2662	}
1955		2663
1956	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1957		2665
1958	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1961		2669
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2672	undef $fh;
1965	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1966		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1969	}	2681	}
1970	}	2682	}
1971		2683
1972	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1974		2686
1975	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1976		2688
1977	if ($exit->slaying eq "/!") {
1978	#TODO: this should de-fi-ni-te-ly not be a sync-job
1979	# the problem is that $exit might not survive long enough
1980	# so it needs to be done right now, right here
1981	cf::sync_job { prepare_random_map $exit };
1982	}
1983
1984	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1985	my $hp = $exit->stats->hp;
1986	my $sp = $exit->stats->sp;
1987
1988	$self->enter_link;	2689	$self->enter_link;
1989		2690
1990	(async {	2691	(async {
1991	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1992	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
1993	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1994		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1995	1;	2715	1
1996	}) {	2716	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2721
2002	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
…		…
2021		2741
2022	utf8::encode $text;	2742	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2744	}
2025		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
2026	=item $client->ext_event ($type, %msg)	2897	=item $client->ext_msg ($type, @msg)
2027		2898
2028	Sends an exti event to the client.	2899	Sends an ext event to the client.
2029		2900
2030	=cut	2901	=cut
2031		2902
2032	sub cf::client::ext_event($$%) {	2903	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2904	my ($self, $type, @msg) = @_;
2034		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2909	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
2037	}	2930	}
2038		2931
2039	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2040		2933
2041	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2042	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2043	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2937
2045	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2939	become reliable at some point in the future.
2047		2940
2048	=cut	2941	=cut
2049		2942
2050	sub cf::client::query {	2943	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2952	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2954
2062	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2064	}	2959	}
2065		2960
2066	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2067	on_reply => sub {	2967	on_reply => sub {
2068	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2069		2969
2070	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2071	# get handled first	2971	# get handled first
…		…
2083	} else {	2983	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2985	}
2086	}	2986	}
2087	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2088	);	3014	);
2089		3015
2090	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2091		3017
2092	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2135		3061
2136	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2137		3063
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2139		3069
2140	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2141		3071
2142	=pod	3072	=pod
2143		3073
2144	The following functions and methods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2145		3075
2146	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2147	cf::object::player player	3080	cf::object::player
2148	cf::player peaceful	3081	player
2149	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2150		3088
2151	=cut	3089	=cut
2152		3090
2153	for (	3091	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2155	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2158	) {	3098	) {
2159	no strict 'refs';	3099	no strict 'refs';
…		…
2230	=back	3170	=back
2231		3171
2232	=cut	3172	=cut
2233		3173
2234	#############################################################################	3174	#############################################################################
2235
2236	=head2 EXTENSION DATABASE SUPPORT
2237
2238	Crossfire maintains a very simple database for extension use. It can
2239	currently store anything that can be serialised using Storable, which
2240	excludes objects.
2241
2242	The parameter C<$family> should best start with the name of the extension
2243	using it, it should be unique.
2244
2245	=over 4
2246
2247	=item $value = cf::db_get $family => $key
2248
2249	Returns a single value from the database.
2250
2251	=item cf::db_put $family => $key => $value
2252
2253	Stores the given C<$value> in the family.
2254
2255	=cut
2256
2257	our $DB;
2258
2259	sub db_init {
2260	unless ($DB) {
2261	$DB = BDB::db_create $DB_ENV;
2262
2263	cf::sync_job {
2264	eval {
2265	$DB->set_flags (BDB::CHKSUM);
2266
2267	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2268	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2269	cf::cleanup "db_open(db): $!" if $!;
2270	};
2271	cf::cleanup "db_open(db): $@" if $@;
2272	};
2273
2274	my $path = cf::localdir . "/database.pst";
2275	if (stat $path) {
2276	cf::sync_job {
2277	my $pst = Storable::retrieve $path;
2278
2279	cf::db_put (board => data => $pst->{board});
2280	cf::db_put (guildrules => data => $pst->{guildrules});
2281	cf::db_put (rent => balance => $pst->{rent}{balance});
2282	BDB::db_env_txn_checkpoint $DB_ENV;
2283
2284	unlink $path;
2285	};
2286	}
2287	}
2288	}
2289
2290	sub db_get($$) {
2291	my $key = "$_[0]/$_[1]";
2292
2293	cf::sync_job {
2294	BDB::db_get $DB, undef, $key, my $data;
2295
2296	$! ? ()
2297	: Compress::LZF::sthaw $data
2298	}
2299	}
2300
2301	sub db_put($$$) {
2302	BDB::dbreq_pri 4;
2303	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2304	}
2305
2306	#############################################################################
2307	# the server's init and main functions	3175	# the server's init and main functions
2308		3176
2309	sub load_facedata {	3177	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3178	my ($path) = @_;
		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3185
2312	warn "loading facedata from $path\n";	3186	warn "loading facedata from $path\n";
2313		3187
2314	my $facedata;	3188	my $facedata;
2315	0 < aio_load $path, $facedata	3189	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3192	$facedata = Coro::Storable::thaw $facedata;
2319		3193
2320	$facedata->{version} == 2	3194	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
2323	{	3204	{
2324	my $faces = $facedata->{faceinfo};	3205	my $faces = $facedata->{faceinfo};
2325		3206
2326	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3209
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3214
		3215	cf::cede_to_tick;
2332	}	3216	}
2333		3217
2334	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2336	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2337	or next;	3222	or next;
		3223
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3227	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3229	}
2343	Coro::cede;	3230
		3231	cf::cede_to_tick;
2344	}	3232	}
2345	}	3233	}
2346		3234
2347	{	3235	{
2348	my $anims = $facedata->{animinfo};	3236	my $anims = $facedata->{animinfo};
2349		3237
2350	while (my ($anim, $info) = each %$anims) {	3238	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3240	cf::cede_to_tick;
2353	}	3241	}
2354		3242
2355	cf::anim::invalidate_all; # d'oh	3243	cf::anim::invalidate_all; # d'oh
2356	}	3244	}
2357		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
2358	1	3281	1
2359	}	3282	}
2360		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
		3328	or die "unable to load regions file\n";
		3329
		3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
2361	sub reload_resources {	3351	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3353
2364	load_facedata	3354	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3355	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3356	reload_regions;
2370	}	3357	reload_treasures;
2371		3358
2372	sub cfg_load {	3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3364	or return;
2375		3365
2376	local $/;	3366	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2378		3368
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3370
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3378	};
2389	warn $@ if $@;	3379	warn $@ if $@;
2390	}	3380	}
2391	}	3381	}
2392		3382
		3383	sub pidfile() {
		3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
		3400	}
		3401
2393	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2394	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3421	(async {
2398	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2400	};	3425	};
2401		3426
2402	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2403	db_init;	3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2404	load_extensions;	3445	load_extensions;
2405		3446
2406	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2407	Event::loop;	3455	EV::loop;
2408	}	3456	}
2409		3457
2410	#############################################################################	3458	#############################################################################
2411	# initialisation and cleanup	3459	# initialisation and cleanup
2412		3460
2413	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2414	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2417	reentrant => 0,
2418	data => WF_AUTOCANCEL,
2419	signal => $signal,
2420	prio => 0,
2421	cb => sub {
2422	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2423	},
2424	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2425	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid value!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2426	}	3555	}
2427		3556
2428	sub emergency_save() {	3557	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2430		3559
…		…
2436	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3571	$pl->save;
2442	}	3572	}
2443	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2444		3574
2445	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2452		3582
2453	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2456	};	3590	};
2457		3591
2458	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2459	}	3593	}
2460		3594
2461	sub post_cleanup {	3595	sub post_cleanup {
2462	my ($make_core) = @_;	3596	my ($make_core) = @_;
2463		3597
2464	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3599	if $make_core;
2466	}
2467		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2468	sub reload() {	3631	sub do_reload_perl() {
2469	# can/must only be called in main	3632	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2472	return;	3635	return;
2473	}	3636	}
2474		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2475	warn "reloading...";	3641	warn "reloading...";
2476		3642
2477	warn "entering sync_job";	3643	warn "entering sync_job";
2478		3644
2479	cf::sync_job {	3645	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3647	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2483		3649
2484	warn "syncing database to disk";	3650	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3652
2487	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2488		3654
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$RELOAD;
2504
2505	warn "cancelling all extension coros";
2506	$_->cancel for values %EXT_CORO;
2507	%EXT_CORO = ();
2508
2509	warn "removing commands";
2510	%COMMAND = ();
2511
2512	warn "removing ext commands";
2513	%EXTCMD = ();
2514
2515	warn "unloading/nuking all extensions";
2516	for my $pkg (@EXTS) {
2517	warn "... unloading $pkg";
2518
2519	if (my $cb = $pkg->can ("unload")) {
2520	eval {
2521	$cb->($pkg);
2522	1
2523	} or warn "$pkg unloaded, but with errors: $@";
2524	}	3658	}
2525		3659
2526	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2528	}	3662	%EXT_CORO = ();
2529		3663
2530	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3673	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3674
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2541	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2542	}	3684	}
2543		3685
2544	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2545	}	3701	}
2546		3702
2547	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3706
2551	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2553		3710
2554	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3712	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2557		3714
2558	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2559		3716
2560	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2561	require cf;	3718	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3720
2564	warn "loading config and database again";	3721	warn "loading config and database again";
2565	cf::cfg_load;	3722	cf::reload_config;
2566		3723
2567	warn "loading extensions";	3724	warn "loading extensions";
2568	cf::load_extensions;	3725	cf::load_extensions;
2569		3726
2570	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2576		3733
2577	warn "loading reloadable resources";	3734	warn "running post_load";
2578	reload_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3736
2580	warn "leaving sync_job";	3737	warn "leaving sync_job";
2581		3738
2582	1	3739	1
2583	} or do {	3740	} or do {
2584	warn $@;	3741	warn $@;
2585	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3743	};
		3744
		3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
		3748	};
		3749
		3750	our $RELOAD_WATCHER; # used only during reload
		3751
		3752	sub reload_perl() {
		3753	# doing reload synchronously and two reloads happen back-to-back,
		3754	# coro crashes during coro_state_free->destroy here.
		3755
		3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3757	do_reload_perl;
		3758	undef $RELOAD_WATCHER;
2587	};	3759	};
2588		3760	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3761
2594	register_command "reload" => sub {	3762	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2596		3764
2597	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2599		3767	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2601	# coro crashes during coro_state_free->destroy here.
2602
2603	$RELOAD_WATCHER ||= Event->timer (
2604	reentrant => 0,
2605	after => 0,
2606	data => WF_AUTOCANCEL,
2607	cb => sub {
2608	reload;	3769	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3770	};
2612	}	3771	}
2613	};	3772	};
2614		3773
2615	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2616		3775
2617	my $bug_warning = 0;	3776	my $bug_warning = 0;
2618		3777
2619	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3780
2622	prio => 0,	3781	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3783
2625	cb => sub {	3784	my $signal = new Coro::Signal;
		3785	push @WAIT_FOR_TICK, $signal;
		3786	$signal->wait;
		3787	}
		3788
		3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
		3792	my $signal = new Coro::Signal;
		3793	push @WAIT_FOR_TICK_BEGIN, $signal;
		3794	$signal->wait;
		3795	}
		3796
		3797	sub tick {
2626	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2629	return;	3801	return;
2630	}	3802	}
2631		3803
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3805
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3810	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3812	};
2645
2646	$WAIT_FOR_TICK->broadcast;
2647	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2648
2649	# my $AFTER = Event::time;
2650	# warn $AFTER - $NOW;#d#
2651
2652	# if we are delayed by four ticks or more, skip them all
2653	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2654
2655	$TICK_WATCHER->at ($NEXT_TICK);
2656	$TICK_WATCHER->start;
2657	},	3813	}
2658	);	3814
		3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3816	$sig->send;
		3817	}
		3818	while (my $sig = shift @WAIT_FOR_TICK) {
		3819	$sig->send;
		3820	}
		3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
		3830	}
		3831	}
		3832	}
2659		3833
2660	{	3834	{
2661	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3836
2663	reentrant => 0,
2664	fd => BDB::poll_fileno,
2665	poll => 'r',
2666	prio => 0,
2667	data => WF_AUTOCANCEL,
2668	cb => \&BDB::poll_cb,
2669	);
2670	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2671		3838	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2673	my $status;
2674	my $current = $Coro::current;
2675	(
2676	sub {
2677	$status = $!;
2678	$current->ready; undef $current;
2679	},
2680	sub {
2681	Coro::schedule while defined $current;
2682	$! = $status;
2683	},
2684	)
2685	};
2686		3840
2687	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3848
2690	cf::sync_job {	3849	cf::sync_job {
2691	eval {	3850	eval {
2692	BDB::db_env_open	3851	BDB::db_env_open
2693	$DB_ENV,	3852	$DB_ENV,
2694	$BDB_ENV_DIR,	3853	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3856	0666;
2698		3857
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2700
2701	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2702	$DB_ENV->set_lk_detect;
2703	};	3859	};
2704		3860
2705	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3862	};
2707	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2708	}	3874	}
2709		3875
2710	{	3876	{
		3877	# configure IO::AIO
		3878
2711	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2716	reentrant => 0,
2717	data => WF_AUTOCANCEL,
2718	fd => IO::AIO::poll_fileno,
2719	poll => 'r',
2720	prio => 6,
2721	cb => \&IO::AIO::poll_cb,
2722	);
2723	}	3882	}
		3883
		3884	my $_log_backtrace;
		3885
		3886	sub _log_backtrace {
		3887	my ($msg, @addr) = @_;
		3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
		3923	}
		3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2724		3928
2725	END { cf::emergency_save }	3929	END { cf::emergency_save }
2726		3930
2727	1	3931	1
2728		3932

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