ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.237 by root, Fri Apr 13 05:08:51 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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 "$filename.pst";
787	}	1189	}
788		1190
789	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
790	} else {	1195	} else {
791	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
792	}	1197	}
793	} else {	1198	} else {
794	aio_unlink $filename;	1199	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
796	}	1201	}
797	}	1202	};
798	}	1203	}
799		1204
800	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
802		1207
…		…
814	or return;	1219	or return;
815		1220
816	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
818	or return;	1223	or return;
		1224
819	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
820	}	1227	}
821		1228
		1229	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
824	return ($data, $av);	1233	($data, $av)
825	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
826		1241
827	#############################################################################	1242	#############################################################################
828	# command handling &c	1243	# command handling &c
829		1244
830	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1259	}
845		1260
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1262
848	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
849		1268
850	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
851	called.	1270	called.
852		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
853	=cut	1283	=cut
854		1284
855	sub register_extcmd {	1285	sub register_extcmd {
856	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
857		1287
858	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
859	}	1295	}
860		1296
861	cf::player->attach (	1297	cf::player->attach (
862	on_command => sub {	1298	on_command => sub {
863	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1308	cf::override;
873	},	1309	},
874	on_extcmd => sub {	1310	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
876		1312
877	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1314
879	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
885	} else {	1330	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1332	}
888		1333
889	cf::override;	1334	cf::override;
890	},	1335	},
891	);	1336	);
892		1337
893	sub load_extension {
894	my ($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 {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
928	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1343	next unless -r $path;
930	eval {	1344
931	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
932	1	1401	}
933	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
934	}	1407	};
935	}	1408	}
936		1409
937	#############################################################################	1410	#############################################################################
938		1411
		1412	=back
		1413
939	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
940		1415
941	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
942		1417
943	=cut	1418	=cut
944		1419
945	package cf::player;	1420	package cf::player;
946		1421
…		…
948		1423
949	=head3 cf::player	1424	=head3 cf::player
950		1425
951	=over 4	1426	=over 4
952		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
953	=item cf::player::find $login	1442	=item cf::player::find $login
954		1443
955	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
956		1445
957	=cut	1446	=cut
958		1447
959	sub playerdir($) {	1448	sub playerdir($) {
960	cf::localdir	1449	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1451	}
966		1452
967	sub path($) {	1453	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
978		1464
979	sub exists($) {	1465	sub exists($) {
980	my ($login) = @_;	1466	my ($login) = @_;
981		1467
982	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
983	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
984	}	1470	}
985		1471
986	sub find($) {	1472	sub find($) {
987	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
988	my $login = $_[0];	1474	my $login = $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
999		1485
1000	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
1003	}	1495	}
1004	}	1496	}
1005	}	1497	}
1006		1498
…		…
1015	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1016		1508
1017	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1019		1511
		1512	cf::get_slot 0.01;
		1513
1020	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1021	Coro::cede;	1515	cf::cede_to_tick;
1022	}	1516	}
1023		1517
1024	sub new($) {	1518	sub new($) {
1025	my ($login) = @_;	1519	my ($login) = @_;
1026		1520
…		…
1032	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1033		1527
1034	$self	1528	$self
1035	}	1529	}
1036		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1037	=item $pl->quit_character	1541	=item $pl->quit_character
1038		1542
1039	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1040	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1041		1545
…		…
1045	my ($pl) = @_;	1549	my ($pl) = @_;
1046		1550
1047	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1048		1552
1049	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1050	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1051		1555
1052	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1053	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1054	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1055	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1056		1562
1057	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1058	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1088	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1089		1595
1090	=cut	1596	=cut
1091		1597
1092	sub list_logins {	1598	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1600	or return [];
1095		1601
1096	my @logins;	1602	my @logins;
1097		1603
1098	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1102		1614
1103	utf8::decode $login;	1615	utf8::decode $login;
1104	push @logins, $login;	1616	push @logins, $login;
1105	}	1617	}
1106		1618
…		…
1133	}	1645	}
1134		1646
1135	\@paths	1647	\@paths
1136	}	1648	}
1137		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1138	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1139		1655
1140	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1141		1657
1142	=cut	1658	=cut
1143		1659
1144	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1146		1662
1147	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1664	}
1151		1665
1152	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1153		1667
1154	Sends an ext event to the client.	1668	Sends an ext event to the client.
1155		1669
1156	=cut	1670	=cut
1157		1671
1158	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1160		1674
1161	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1162	}	1676	}
1163		1677
1164	package cf;	1678	=head3 cf::region
		1679
		1680	=over 4
		1681
		1682	=cut
		1683
		1684	package cf::region;
		1685
		1686	=item cf::region::find_by_path $path
		1687
		1688	Tries to decuce the likely region for a map knowing only its path.
		1689
		1690	=cut
		1691
		1692	sub find_by_path($) {
		1693	my ($path) = @_;
		1694
		1695	my ($match, $specificity);
		1696
		1697	for my $region (list) {
		1698	if ($region->{match} && $path =~ $region->{match}) {
		1699	($match, $specificity) = ($region, $region->specificity)
		1700	if $region->specificity > $specificity;
		1701	}
		1702	}
		1703
		1704	$match
		1705	}
1165		1706
1166	=back	1707	=back
1167
1168		1708
1169	=head3 cf::map	1709	=head3 cf::map
1170		1710
1171	=over 4	1711	=over 4
1172		1712
…		…
1184	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1185	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1186		1726
1187	sub generate_random_map {	1727	sub generate_random_map {
1188	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1189	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1190	$self->_create_random_map (	1733	$self->_create_random_map (
1191	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1192	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1193	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1227	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1228		1771
1229	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1230	local $self->{path};	1773	local $self->{path};
1231	local $self->{load_path};	1774	local $self->{load_path};
1232	local $self->{deny_save};
1233	local $self->{deny_reset};
1234		1775
1235	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1236	}	1777	}
1237		1778
1238	sub normalise {	1779	sub normalise {
…		…
1285	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1286	return $self;	1827	return $self;
1287	}	1828	}
1288	}	1829	}
1289		1830
1290	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1291	()	1832	()
1292	}	1833	}
1293		1834
1294	sub init {	1835	sub init {
1295	my ($self) = @_;	1836	my ($self) = @_;
…		…
1310		1851
1311	# the original (read-only) location	1852	# the original (read-only) location
1312	sub load_path {	1853	sub load_path {
1313	my ($self) = @_;	1854	my ($self) = @_;
1314		1855
1315	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1316	}	1857	}
1317		1858
1318	# the temporary/swap location	1859	# the temporary/swap location
1319	sub save_path {	1860	sub save_path {
1320	my ($self) = @_;	1861	my ($self) = @_;
1321		1862
1322	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1323	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1324	}	1865	}
1325		1866
1326	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1327	sub uniq_path {	1868	sub uniq_path {
1328	my ($self) = @_;	1869	my ($self) = @_;
1329		1870
1330	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1331	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1332	}	1873	}
1333		1874
1334	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1335	# all maps in C++...	1876	# all maps in C++...
1336	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1338		1879
1339	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1340	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1341	}	1882	}
1342		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1343	sub unlink_save {	1892	sub unlink_save {
1344	my ($self) = @_;	1893	my ($self) = @_;
1345		1894
1346	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1347	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1350		1899
1351	sub load_header_from($) {	1900	sub load_header_from($) {
1352	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1353		1902
1354	utf8::encode $path;	1903	utf8::encode $path;
1355	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1356	# or return;
1357
1358	$self->_load_header ($path)
1359	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1360		1912
1361	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1362		1914
1363	1	1915	1
1364	}	1916	}
…		…
1403	$self->load_header_orig	1955	$self->load_header_orig
1404	or return;	1956	or return;
1405	$self->prepare_orig;	1957	$self->prepare_orig;
1406	}	1958	}
1407		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
		1963	$self->default_region (cf::region::find_by_path $self->{path})
		1964	unless $self->default_region;
		1965
1408	1	1966	1
1409	}	1967	}
1410		1968
1411	sub find;	1969	sub find;
1412	sub find {	1970	sub find {
1413	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1414		1972
1415	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1416		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1417	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1418		1977
1419	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1420	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1421	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1422	or return;	1983	or return;
1423		1984
1424	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1425		1986
1426	$map->load_header	1987	$map->load_header
1427	or return;	1988	or return;
1428		1989
1429	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1430	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1431	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1432	$map->reset;	1995	$map->reset;
1433	undef $guard;
1434	return find $path;	1996	return find $path;
1435	}	1997	}
1436		1998
1437	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1438	}	2000	}
…		…
1445	my ($self) = @_;	2007	my ($self) = @_;
1446		2008
1447	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1448		2010
1449	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1450	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1451		2015
		2016	return unless $self->valid;
1452	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1453		2018
1454	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1455		2020
1456	$self->alloc;	2021	$self->alloc;
1457		2022
1458	$self->pre_load;	2023	$self->pre_load;
		2024	cf::cede_to_tick;
1459		2025
1460	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1461	or return;	2029	or return;
1462		2030
1463	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1464	if delete $self->{load_original};	2032	if delete $self->{load_original};
1465		2033
1466	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1467	utf8::encode $uniq;	2035	utf8::encode $uniq;
1468	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1469	$self->clear_unique_items;	2038	$self->clear_unique_items;
1470	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1471	}	2042	}
1472	}	2043	}
1473		2044
1474	Coro::cede;	2045	$f->resolve_delayed_derefs;
1475		2046
		2047	cf::cede_to_tick;
1476	# now do the right thing for maps	2048	# now do the right thing for maps
1477	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1478
1479	unless ($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)	2050	$self->difficulty ($self->estimate_difficulty)
1486	unless $self->difficulty;	2051	unless $self->difficulty;
1487	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1488	$self->activate;	2061	$self->activate;
		2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1489	}	2068	}
1490		2069
1491	$self->post_load;	2070	$self->post_load;
1492
1493	$self->in_memory (cf::MAP_IN_MEMORY);
1494	}	2071	}
1495		2072
1496	sub customise_for {	2073	sub customise_for {
1497	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1498		2075
1499	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1500	if $self->per_player;	2077	if $self->per_player;
1501		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1502	$self	2082	$self
1503	}	2083	}
1504		2084
1505	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1506	sub load_diag {	2086	sub load_neighbours {
1507	my ($map) = @_;	2087	my ($map) = @_;
1508		2088
1509	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1510		2090
1511	for (0 .. 3) {	2091	for (0 .. 3) {
1512	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1513	or next;	2093	or next;
1514	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1515	or next;	2095	or next;
1516	$neigh->load;	2096	$neigh->load;
1517		2097
		2098	push @neigh,
1518	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1519	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1520	}	2101	}
1521		2102
1522	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1523	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1524	or next;	2106	or next;
1525	$neigh->load;	2107	$neigh->load;
1526	}	2108	}
1527	}	2109	}
1528		2110
…		…
1533	}	2115	}
1534		2116
1535	sub do_load_sync {	2117	sub do_load_sync {
1536	my ($map) = @_;	2118	my ($map) = @_;
1537		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1538	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1539	}	2124	}
1540		2125
1541	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1542	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1543		2128
1544	sub find_async {	2129	sub find_async {
1545	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1546		2131
1547	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1548		2133
1549	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1550	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1551	}	2136	}
1552		2137
1553	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1554	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1555	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1556	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1557	my $map = find $path	2145	if (my $map = find $k) {
1558	or next;
1559	$map->load;	2146	$map->load if $v;
		2147	}
1560		2148
1561	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1562	}	2150	}
1563	}	2151	}
1564	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1565	};	2153	};
1566	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1569	}	2157	}
1570		2158
1571	sub save {	2159	sub save {
1572	my ($self) = @_;	2160	my ($self) = @_;
1573		2161
1574	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1575		2163
1576	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1577		2165
1578	return unless $self->dirty;	2166	return unless $self->dirty;
1579		2167
…		…
1585	return if $self->{deny_save};	2173	return if $self->{deny_save};
1586		2174
1587	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1588		2176
1589	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1590	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1591	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1592		2183
1593	if ($uniq) {	2184	if ($uniq) {
1594	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1595	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1596	} else {	2187	} else {
…		…
1602	my ($self) = @_;	2193	my ($self) = @_;
1603		2194
1604	# save first because save cedes	2195	# save first because save cedes
1605	$self->save;	2196	$self->save;
1606		2197
1607	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2199
1609	return if $self->players;	2200	return if $self->players;
1610	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1611	return if $self->{deny_save};	2202	return if $self->{deny_save};
1612		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1613	$self->clear;	2208	$self->clear;
1614	$self->in_memory (cf::MAP_SWAPPED);
1615	}	2209	}
1616		2210
1617	sub reset_at {	2211	sub reset_at {
1618	my ($self) = @_;	2212	my ($self) = @_;
1619		2213
1620	# TODO: safety, remove and allow resettable per-player maps	2214	# 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};	2215	return 1e99 if $self->{deny_reset};
1623		2216
1624	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1625	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1626		2219
…		…
1637	my ($self) = @_;	2230	my ($self) = @_;
1638		2231
1639	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2233
1641	return if $self->players;	2234	return if $self->players;
1642	return if $self->isa ("ext::map_per_player");#d#
1643		2235
1644	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1645		2237
1646	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1647		2239
1648	# need to save uniques path	2240	# need to save uniques path
1649	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1653	if $uniq;	2245	if $uniq;
1654	}	2246	}
1655		2247
1656	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1657		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1658	$self->clear;	2252	$self->clear;
1659
1660	$_->clear_links_to ($self) for values %cf::MAP;
1661		2253
1662	$self->unlink_save;	2254	$self->unlink_save;
1663	$self->destroy;	2255	$self->destroy;
1664	}	2256	}
1665		2257
1666	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1667		2259
1668	sub nuke {	2260	sub nuke {
1669	my ($self) = @_;	2261	my ($self) = @_;
1670		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1671	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1672		2267
1673	$self->unlink_save;	2268	$self->unlink_save;
1674		2269
1675	bless $self, "cf::map";	2270	bless $self, "cf::map";
1676	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1677	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1678	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1679	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1680		2275
1681	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1682		2278
1683	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1684	}	2316	}
1685		2317
1686	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1687		2319
1688	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1689	instantiated unique items. May block.	2321	instantiated unique items. May block.
1690		2322
1691	=cut	2323	=cut
1692		2324
1693	sub unique_maps() {	2325	sub unique_maps() {
1694	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1695	or return;	2327	map {
1696
1697	my @paths;
1698
1699	for (@$files) {
1700	utf8::decode $_;	2328	utf8::decode $_;
1701	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1702	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1703		2331	? ()
1704	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1705	}	2334	]
1706
1707	\@paths
1708	}	2335	}
1709
1710	package cf;
1711		2336
1712	=back	2337	=back
1713		2338
1714	=head3 cf::object	2339	=head3 cf::object
1715		2340
…		…
1719		2344
1720	=over 4	2345	=over 4
1721		2346
1722	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1723		2348
1724	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1725		2351
1726	=cut	2352	=cut
1727		2353
1728	sub inv_recursive_;	2354	sub inv_recursive_;
1729	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1732		2358
1733	sub inv_recursive {	2359	sub inv_recursive {
1734	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1735	}	2361	}
1736		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1737	package cf;	2391	package cf;
1738		2392
1739	=back	2393	=back
1740		2394
1741	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1747	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	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	2402	can be C<undef>. Does the right thing when the player is currently in a
1749	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1750		2404
1751	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1752		2420
1753	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1754	# with dialog boxes.	2422	# with dialog boxes.
1755	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1756	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1758		2426
1759	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1760		2428
1761	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1762	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1763	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1764	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1765	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1766	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1767	}	2454	}
1768		2455
1769	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1770		2457
1771	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1784		2471
1785	=item $player_object->enter_link	2472	=item $player_object->enter_link
1786		2473
1787	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1788		2475
1789	The player should be reasonably safe there for short amounts of time. You	2476	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.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1791		2480
1792	Will never block.	2481	Will never block.
1793		2482
1794	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1795		2484
…		…
1818	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1819		2508
1820	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1821		2510
1822	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1823	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1824		2513
1825	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1826	}	2515	}
1827		2516
1828	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1829	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1830		2521
1831	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1832		2523
1833	unless ($map) {	2524	unless ($map) {
1834	# restore original map position	2525	# restore original map position
…		…
1848	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1849	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1850	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1851		2542
1852	$map->load;	2543	$map->load;
1853	$map->load_diag;	2544	$map->load_neighbours;
1854		2545
1855	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1856	$self->activate_recursive;	2548	$self->activate_recursive;
1857		2549
1858	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1859	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1860	}	2552	}
1861		2553
1862	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1863	on_logout => sub {
1864	my ($pl) = @_;
1865		2555
1866	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1867	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1868	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1869	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1870	};	2560	be called at the end of this process.
1871	}
1872	},
1873	on_login => sub {
1874	my ($pl) = @_;
1875		2561
1876	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1877	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1878	if ($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		2564
1894	=item $player_object->goto ($path, $x, $y)
1895
1896	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1897		2568
1898	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1899	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1900		2574
1901	$self->enter_link;	2575	$self->enter_link;
1902		2576
1903	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1904	my $map = eval {	2599	my $map = eval {
1905	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1906	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1907	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1908	} or	2615	}
1909	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1910		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1911	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1912	})->prio (1);	2623	})->prio (1);
1913	}	2624	}
1914		2625
1915	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1916		2627
…		…
1936	}	2647	}
1937		2648
1938	sub prepare_random_map {	2649	sub prepare_random_map {
1939	my ($exit) = @_;	2650	my ($exit) = @_;
1940		2651
1941	my $guard = cf::lock_acquire "exit_prepare:$exit";
1942
1943	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1944	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1945	# that depends on the exit object	2654	# that depends on the exit object
1946		2655
1947	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1949	if ($exit->map) {	2658	if ($exit->map) {
1950	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1951	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1952	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1953	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1954	}	2665	}
1955		2666
1956	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1957		2668
1958	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1959	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1960	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1961		2672
1962	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1963	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1964	undef $fh;	2675	undef $fh;
1965	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1966		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1967	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1968	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1969	}	2684	}
1970	}	2685	}
1971		2686
1972	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
1973	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
1974		2689
1975	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
1976		2691
1977	if ($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;	2692	$self->enter_link;
1989		2693
1990	(async {	2694	(async {
1991	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
1992	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
1993	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
1994		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
1995	1;	2718	1
1996	}) {	2719	}) {
1997	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
1998	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
1999	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2000	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2001		2724
2002	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2021		2744
2022	utf8::encode $text;	2745	utf8::encode $text;
2023	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2024	}	2747	}
2025		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2026	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2027		2901
2028	Sends an exti event to the client.	2902	Sends an ext event to the client.
2029		2903
2030	=cut	2904	=cut
2031		2905
2032	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2033	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2034		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2035	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2036	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2037	}	2933	}
2038		2934
2039	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2040		2936
2041	Queues a query to the client, calling the given callback with	2937	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>,	2938	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>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2044		2940
2045	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2046	reliable at some point in the future.	2942	become reliable at some point in the future.
2047		2943
2048	=cut	2944	=cut
2049		2945
2050	sub cf::client::query {	2946	sub cf::client::query {
2051	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2059	utf8::encode $text;	2955	utf8::encode $text;
2060	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2061		2957
2062	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2063	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2064	}	2962	}
2065		2963
2066	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2067	on_reply => sub {	2970	on_reply => sub {
2068	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2069		2972
2070	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2071	# get handled first	2974	# get handled first
…		…
2083	} else {	2986	} else {
2084	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2085	}	2988	}
2086	}	2989	}
2087	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2088	);	3017	);
2089		3018
2090	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2091		3020
2092	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2133	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2134	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2135		3064
2136	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2137		3066
2138	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2139		3072
2140	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2141		3074
2142	=pod	3075	=pod
2143		3076
2144	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2145		3078
2146	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2147	cf::object::player player	3083	cf::object::player
2148	cf::player peaceful	3084	player
2149	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2150		3091
2151	=cut	3092	=cut
2152		3093
2153	for (	3094	for (
2154	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2155	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2156	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2157	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2158	) {	3101	) {
2159	no strict 'refs';	3102	no strict 'refs';
…		…
2230	=back	3173	=back
2231		3174
2232	=cut	3175	=cut
2233		3176
2234	#############################################################################	3177	#############################################################################
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	3178	# the server's init and main functions
2308		3179
2309	sub load_facedata {	3180	sub load_facedata($) {
2310	my $path = sprintf "%s/facedata", cf::datadir;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2311		3188
2312	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2313		3190
2314	my $facedata;	3191	my $facedata;
2315	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2318	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2319		3196
2320	$facedata->{version} == 2	3197	$facedata->{version} == 2
2321	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2322		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2323	{	3207	{
2324	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2325		3209
2326	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2327	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2328	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2329	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2330	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2331	Coro::cede;	3217
		3218	cf::cede_to_tick;
2332	}	3219	}
2333		3220
2334	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2335	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2336	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2337	or next;	3225	or next;
		3226
2338	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2339	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2340	} else {	3230	} else {
2341	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2342	}	3232	}
2343	Coro::cede;	3233
		3234	cf::cede_to_tick;
2344	}	3235	}
2345	}	3236	}
2346		3237
2347	{	3238	{
2348	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2349		3240
2350	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2351	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2352	Coro::cede;	3243	cf::cede_to_tick;
2353	}	3244	}
2354		3245
2355	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2356	}	3247	}
2357		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2358	1	3284	1
2359	}	3285	}
2360		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
		3344	sub reload_archetypes {
		3345	load_resource_file "$DATADIR/archetypes"
		3346	or die "unable to load archetypes\n";
		3347	}
		3348
		3349	sub reload_treasures {
		3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
		3352	}
		3353
2361	sub reload_resources {	3354	sub reload_resources {
2362	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3355	warn "reloading resource files...\n";
2363	or die "unable to load regions file\n";#d#	3356
2364	load_facedata	3357	reload_facedata;
2365	or die "unable to load facedata\n";#d#	3358	reload_archetypes;
2366	}
2367
2368	sub init {
2369	reload_resources;	3359	reload_regions;
2370	}	3360	reload_treasures;
2371		3361
2372	sub cfg_load {	3362	warn "finished reloading resource files\n";
		3363	}
		3364
		3365	sub reload_config {
2373	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2374	or return;	3367	or return;
2375		3368
2376	local $/;	3369	local $/;
2377	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2378		3371
2379	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2380		3373
2381	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2382	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2388	};	3381	};
2389	warn $@ if $@;	3382	warn $@ if $@;
2390	}	3383	}
2391	}	3384	}
2392		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2393	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2394	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2395	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2396	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2397	(async {	3424	(async {
2398	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2399	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2400	};	3428	};
2401		3429
2402	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2403	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2404	load_extensions;	3448	load_extensions;
2405		3449
2406	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2407	Event::loop;	3458	EV::loop;
2408	}	3459	}
2409		3460
2410	#############################################################################	3461	#############################################################################
2411	# initialisation and cleanup	3462	# initialisation and cleanup
2412		3463
2413	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2414	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2415	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2416	Event->signal (	3468	$SIGWATCHER{$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";	3469	cf::cleanup "SIG$signal";
2423	},
2424	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2425	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2426	}	3558	}
2427		3559
2428	sub emergency_save() {	3560	sub emergency_save() {
2429	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2430		3562
…		…
2436	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2437	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2438	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2439	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2440	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2441	$pl->save;	3574	$pl->save;
2442	}	3575	}
2443	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2444		3577
2445	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2451	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2452		3585
2453	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2454	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2455	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2456	};	3593	};
2457		3594
2458	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2459	}	3596	}
2460		3597
2461	sub post_cleanup {	3598	sub post_cleanup {
2462	my ($make_core) = @_;	3599	my ($make_core) = @_;
2463		3600
2464	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2465	if $make_core;	3602	if $make_core;
2466	}
2467		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2468	sub reload() {	3634	sub do_reload_perl() {
2469	# can/must only be called in main	3635	# can/must only be called in main
2470	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2471	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2472	return;	3638	return;
2473	}	3639	}
2474		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2475	warn "reloading...";	3644	warn "reloading...";
2476		3645
2477	warn "entering sync_job";	3646	warn "entering sync_job";
2478		3647
2479	cf::sync_job {	3648	cf::sync_job {
2480	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2481	cf::emergency_save;	3650	cf::emergency_save;
2482	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2483		3652
2484	warn "syncing database to disk";	3653	warn "syncing database to disk";
2485	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2486		3655
2487	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2488		3657
2489	warn "cancelling all WF_AUTOCANCEL watchers";
2490	for (Event::all_watchers) {
2491	$_->cancel if $_->data & WF_AUTOCANCEL;
2492	}
2493
2494	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2495	for (;;) {
2496	BDB::flush;
2497	IO::AIO::flush;
2498	Coro::cede;
2499	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2500	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2501	}
2502
2503	++$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	}	3661	}
2525		3662
2526	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2527	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2528	}	3665	%EXT_CORO = ();
2529		3666
2530	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2531	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2532	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2533		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2534	warn "... unloading $k";	3676	warn "... unloading $pkg";
2535	delete $INC{$k};
2536		3677
2537	$k =~ s/\.pm$//;
2538	$k =~ s/\//::/g;
2539
2540	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2541	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2542	}	3687	}
2543		3688
2544	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2545	}	3704	}
2546		3705
2547	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2548	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2549	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2550		3709
2551	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2552	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2553		3713
2554	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2555	# and global variables created in xs	3715	# and global variables created in xs
2556	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2557		3717
2558	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2559		3719
2560	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2561	require cf;	3721	require cf;
2562	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2563		3723
2564	warn "loading config and database again";	3724	warn "loading config and database again";
2565	cf::cfg_load;	3725	cf::reload_config;
2566		3726
2567	warn "loading extensions";	3727	warn "loading extensions";
2568	cf::load_extensions;	3728	cf::load_extensions;
2569		3729
2570	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2571	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2572	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2573	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2574	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2575	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2576		3736
2577	warn "loading reloadable resources";	3737	warn "running post_load";
2578	reload_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2579		3739
2580	warn "leaving sync_job";	3740	warn "leaving sync_job";
2581		3741
2582	1	3742	1
2583	} or do {	3743	} or do {
2584	warn $@;	3744	warn $@;
2585	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2586	exit 1;	3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2587	};	3762	};
2588		3763	}
2589	warn "reloaded";
2590	};
2591
2592	our $RELOAD_WATCHER; # used only during reload
2593		3764
2594	register_command "reload" => sub {	3765	register_command "reload" => sub {
2595	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2596		3767
2597	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2598	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2599		3770	async {
2600	# doing reload synchronously and two reloads happen back-to-back,	3771	$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;	3772	reload_perl;
2609	undef $RELOAD_WATCHER;
2610	},
2611	);	3773	};
2612	}	3774	}
2613	};	3775	};
2614		3776
2615	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2616		3778
2617	my $bug_warning = 0;	3779	my $bug_warning = 0;
2618		3780
2619	$TICK_WATCHER = Event->timer (	3781	our @WAIT_FOR_TICK;
2620	reentrant => 0,	3782	our @WAIT_FOR_TICK_BEGIN;
2621	parked => 1,	3783
2622	prio => 0,	3784	sub wait_for_tick {
2623	at => $NEXT_TICK || $TICK,	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2624	data => WF_AUTOCANCEL,	3786
2625	cb => sub {	3787	my $signal = new Coro::Signal;
		3788	push @WAIT_FOR_TICK, $signal;
		3789	$signal->wait;
		3790	}
		3791
		3792	sub wait_for_tick_begin {
		3793	return if tick_inhibit || $Coro::current == $Coro::main;
		3794
		3795	my $signal = new Coro::Signal;
		3796	push @WAIT_FOR_TICK_BEGIN, $signal;
		3797	$signal->wait;
		3798	}
		3799
		3800	sub tick {
2626	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2627	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2628	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2629	return;	3804	return;
2630	}	3805	}
2631		3806
2632	$NOW = Event::time;
2633
2634	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2635	$RUNTIME += $TICK;
2636	$NEXT_TICK += $TICK;
2637		3808
2638	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2639	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2640	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2641	write_runtime	3813	write_runtime_sync
2642	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2643	};
2644	}	3815	};
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	},	3816	}
2658	);	3817
		3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3819	$sig->send;
		3820	}
		3821	while (my $sig = shift @WAIT_FOR_TICK) {
		3822	$sig->send;
		3823	}
		3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2659		3836
2660	{	3837	{
2661	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2662	$BDB_POLL_WATCHER = Event->io (	3839
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;	3840	BDB::min_parallel 8;
2671		3841	BDB::max_poll_reqs $TICK * 0.1;
2672	BDB::set_sync_prepare {	3842	$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	$! = $status;
2683	},
2684	)
2685	};
2686		3843
2687	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2688	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2689		3851
2690	cf::sync_job {	3852	cf::sync_job {
2691	eval {	3853	eval {
2692	BDB::db_env_open	3854	BDB::db_env_open
2693	$DB_ENV,	3855	$DB_ENV,
2694	$BDB_ENV_DIR,	3856	$BDBDIR,
2695	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2696	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2697	0666;	3859	0666;
2698		3860
2699	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($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	};	3862	};
2704		3863
2705	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2706	};	3865	};
2707	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2708	}	3877	}
2709		3878
2710	{	3879	{
		3880	# configure IO::AIO
		3881
2711	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2712
2713	undef $Coro::AIO::WATCHER;
2714	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2715	$AIO_POLL_WATCHER = Event->io (	3884	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	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2724		3931
2725	END { cf::emergency_save }	3932	END { cf::emergency_save }
2726		3933
2727	1	3934	1
2728		3935

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines