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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.244 by root, Mon Apr 16 13:28:00 2007 UTC vs.
Revision 1.452 by root, Tue Sep 23 00:24:52 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 3.61 ();	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		124
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		132
84	binmode STDOUT;	133	binmode STDOUT;
85	binmode STDERR;	134	binmode STDERR;
86		135
87	# read virtual server time, if available	136	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
92	}	141	}
93		142
94	mkdir cf::localdir;	143	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		145
101	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
102		147
103	sub cf::map::normalise;	148	sub cf::map::normalise;
104		149
…		…
115	=item $cf::RUNTIME	160	=item $cf::RUNTIME
116		161
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	163	every server tick.
119		164
120	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		168
122	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
124		173
125	=item $cf::NOW	174	=item $cf::NOW
126		175
127	The time of the last (current) server tick.	176	The time of the last (current) server tick.
128		177
129	=item $cf::TICK	178	=item $cf::TICK
130		179
131	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
132		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
133	=item %cf::CFG	192	=item %cf::CFG
134		193
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	195	from wherever your confdir points to.
137		196
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		198
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	200	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
		208
144	=back	209	=back
145		210
146	=cut	211	=cut
147		212
148	BEGIN {	213	BEGIN {
149	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	215	my $msg = join "", @_;
151	utf8::encode $msg;
152		216
153	$msg .= "\n"	217	$msg .= "\n"
154	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
155		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
156	LOG llevError, $msg;	222	LOG llevError, $msg;
157	};	223	};
158	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
159		240
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		248
167	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	250	# within the Safe compartment.
169	for my $pkg (qw(	251	for my $pkg (qw(
170	cf::global cf::attachable	252	cf::global cf::attachable
171	cf::object cf::object::player	253	cf::object cf::object::player
172	cf::client cf::player	254	cf::client cf::player
173	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
174	cf::map cf::party cf::region	257	cf::party cf::region
175	)) {	258	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	260	}
179		261
180	$Event::DIED = sub {	262	$EV::DIED = sub {
181	warn "error in event callback: @_";	263	warn "error in event callback: @_";
182	};	264	};
		265
		266	#############################################################################
183		267
184	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
185		269
186	=over 4	270	=over 4
187		271
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	291	$d
208	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
209	}	293	}
210		294
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
214		296
215	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
216		298
217	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
218		300
219	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
		302
		303	=cut
		304
		305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		306
		307	sub encode_json($) { $json_coder->encode ($_[0]) }
		308	sub decode_json($) { $json_coder->decode ($_[0]) }
220		309
221	=item cf::lock_wait $string	310	=item cf::lock_wait $string
222		311
223	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
224		313
…		…
227	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
230	returned.	319	returned.
231		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
232	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
234		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
235	=cut	331	=cut
236		332
237	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
238		335
239	sub lock_wait($) {	336	sub lock_wait($) {
240	my ($key) = @_;	337	my ($key) = @_;
241		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
242	# wait for lock, if any	344	# wait for lock, if any
243	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	348	Coro::schedule;
246	}	349	}
247	}	350	}
248		351
…		…
251		354
252	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
253	lock_wait $key;	356	lock_wait $key;
254		357
255	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
256		360
257	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
260	}	365	}
261	}	366	}
262		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
263	sub freeze_mainloop {	374	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
265		376
266	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	378	}
		379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
268	};	438	}
269	$TICK_WATCHER->stop;	439	};
270	$guard	440
		441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
271	}	453	}
272		454
273	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
274		456
275	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		462
281	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
282		464
283	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
284		466
285	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
288		471
289	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
292	fast or be very important.	475	fast or be very important.
…		…
295		478
296	sub sync_job(&) {	479	sub sync_job(&) {
297	my ($job) = @_;	480	my ($job) = @_;
298		481
299	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
300	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
302		487
303	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	489
305	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
306		491
307	my $busy = 1;	492	my $busy = 1;
308	my @res;	493	my @res;
309		494
310	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	497	@res = eval { $job->() };
312	warn $@ if $@;	498	warn $@ if $@;
313	undef $busy;	499	undef $busy;
314	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
315		501
316	while ($busy) {	502	while ($busy) {
317	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
318	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
319		513
320	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
321	} else {	515	} else {
322	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
323		517
…		…
343	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
344		538
345	$coro	539	$coro
346	}	540	}
347		541
348	sub write_runtime {	542	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		543
351	my $runtime = cf::localdir . "/runtime";	544	Executes the given code block with the given arguments in a seperate
		545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
352		548
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	549	=cut
354	or return;
355		550
356	my $value = $cf::RUNTIME + 90 + 10;	551	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	552	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		553
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	554	# we seemingly have to make a local copy of the whole thing,
361	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
362		557
363	# always fsync - this file is important	558	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	559	reset_signals;
365	and return;	560	&$cb
		561	}, @args;
366		562
367	close $fh	563	wantarray ? @res : $res[-1]
368	or return;	564	}
369		565
370	aio_rename "$runtime~", $runtime	566	=item $coin = coin_from_name $name
371	and return;
372		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
373	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
374	}	718	}
375		719
376	=item cf::datalog type => key => value, ...	720	=item cf::datalog type => key => value, ...
377		721
378	Log a datalog packet of the given type with the given key-value pairs.	722	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		734
391	#############################################################################	735	#############################################################################
392		736
393	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
394		738
395	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
396	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
398		742
399	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	745	Deliantra).
402		746
403	=over 4	747	=over 4
404		748
405	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
406		750
…		…
450	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
451		795
452	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
454		798
455	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
456	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
457		801
458	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
459		803
460	=over 4	804	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
570		914
571	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		919
576	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	921	my $pkg = shift @arg;
578		922
579	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
609	}	953	}
610		954
611	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
612	} else {	956	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	958	}
615		959
616	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
617	}	961	}
618		962
…		…
620	if (ref $_[0]) {	964	if (ref $_[0]) {
621	_object_attach @_;	965	_object_attach @_;
622	} else {	966	} else {
623	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
624	}	968	}
		969	_recalc_want;
625	};	970	};
626		971
627	# all those should be optimised	972	# all those should be optimised
628	sub cf::attachable::detach {	973	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
633	reattach ($obj);	978	reattach ($obj);
634	} else {	979	} else {
635	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
636	}	981	}
		982	_recalc_want;
637	};	983	};
638		984
639	sub cf::attachable::attached {	985	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
641		987
…		…
656	";	1002	";
657	die if $@;	1003	die if $@;
658	}	1004	}
659		1005
660	our $override;	1006	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1008
663	sub override {	1009	sub override {
664	$override = 1;	1010	$override = 1;
665	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
666	}	1012	}
667		1013
668	sub do_invoke {	1014	sub do_invoke {
669	my $event = shift;	1015	my $event = shift;
670	my $callbacks = shift;	1016	my $callbacks = shift;
671		1017
672	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
673		1019
674	local $override;	1020	local $override;
675		1021
676	for (@$callbacks) {	1022	for (@$callbacks) {
677	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
686	}	1032	}
687		1033
688	0	1034	0
689	}	1035	}
690		1036
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1038
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1040
695	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
696		1042
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1046
701	=back	1047	=back
702		1048
703	=cut	1049	=cut
704		1050
705	#############################################################################	1051	#############################################################################
706	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
707		1095
708	sub reattach {	1096	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1098	my ($obj) = @_;
711		1099
		1100	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1102
714	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
715		1104
716	@$registry = ();	1105	@$registry = ();
717		1106
…		…
732	cf::attachable->attach (	1121	cf::attachable->attach (
733	prio => -1000000,	1122	prio => -1000000,
734	on_instantiate => sub {	1123	on_instantiate => sub {
735	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
736		1125
737	$data = from_json $data;	1126	$data = decode_json $data;
738		1127
739	for (@$data) {	1128	for (@$data) {
740	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
741		1130
742	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1147	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
760		1149
761	sync_job {	1150	sync_job {
762	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
765		1155
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1159	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1160	aio_close $fh;
771		1161
772	if (@$objs) {	1162	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1167	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1168	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
780	}	1170	}
781	} else {	1171	} else {
782	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
783	}	1173	}
…		…
788	}	1178	}
789	} else {	1179	} else {
790	aio_unlink $filename;	1180	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
792	}	1182	}
793	}	1183	};
794	}	1184	}
795		1185
796	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
798		1188
…		…
810	or return;	1200	or return;
811		1201
812	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
814	or return;	1204	or return;
		1205
815	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
816	}	1208	}
817		1209
		1210	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
820	return ($data, $av);	1214	($data, $av)
821	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
822		1222
823	#############################################################################	1223	#############################################################################
824	# command handling &c	1224	# command handling &c
825		1225
826	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1240	}
841		1241
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1243
844	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
845		1249
846	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
847	called.	1251	called.
848		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
849	=cut	1264	=cut
850		1265
851	sub register_extcmd {	1266	sub register_extcmd {
852	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
853		1268
854	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
855	}	1276	}
856		1277
857	cf::player->attach (	1278	cf::player->attach (
858	on_command => sub {	1279	on_command => sub {
859	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1289	cf::override;
869	},	1290	},
870	on_extcmd => sub {	1291	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
872		1293
873	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1295
875	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
881	} else {	1311	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1313	}
884		1314
885	cf::override;	1315	cf::override;
886	},	1316	},
887	);	1317	);
888		1318
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
924	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1324	next unless -r $path;
926	eval {	1325
927	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
928	1	1382	}
929	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
930	}	1388	};
931	}	1389	}
932		1390
933	#############################################################################	1391	#############################################################################
934		1392
		1393	=back
		1394
935	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
936		1396
937	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
938		1398
939	=cut	1399	=cut
940		1400
941	package cf::player;	1401	package cf::player;
942		1402
…		…
944		1404
945	=head3 cf::player	1405	=head3 cf::player
946		1406
947	=over 4	1407	=over 4
948		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
		1422
949	=item cf::player::find $login	1423	=item cf::player::find $login
950		1424
951	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
952		1426
953	=cut	1427	=cut
954		1428
955	sub playerdir($) {	1429	sub playerdir($) {
956	cf::localdir	1430	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1432	}
962		1433
963	sub path($) {	1434	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1445
975	sub exists($) {	1446	sub exists($) {
976	my ($login) = @_;	1447	my ($login) = @_;
977		1448
978	$cf::PLAYER{$login}	1449	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1450	or !aio_stat path $login
980	}	1451	}
981		1452
982	sub find($) {	1453	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1454	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1455	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1465	aio_unlink +(playerdir $login) . "/$login.pl";
995		1466
996	my $pl = load_pl path $login	1467	my $f = new_from_file cf::object::thawer path $login
997	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
999	}	1476	}
1000	}	1477	}
1001	}	1478	}
1002		1479
…		…
1011	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1012		1489
1013	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1015		1492
		1493	cf::get_slot 0.01;
		1494
1016	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1017	Coro::cede;	1496	cf::cede_to_tick;
1018	}	1497	}
1019		1498
1020	sub new($) {	1499	sub new($) {
1021	my ($login) = @_;	1500	my ($login) = @_;
1022		1501
…		…
1028	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1029		1508
1030	$self	1509	$self
1031	}	1510	}
1032		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1033	=item $pl->quit_character	1522	=item $pl->quit_character
1034		1523
1035	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1037		1526
…		…
1041	my ($pl) = @_;	1530	my ($pl) = @_;
1042		1531
1043	my $name = $pl->ob->name;	1532	my $name = $pl->ob->name;
1044		1533
1045	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1536
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1052		1543
1053	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1085		1576
1086	=cut	1577	=cut
1087		1578
1088	sub list_logins {	1579	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1581	or return [];
1091		1582
1092	my @logins;	1583	my @logins;
1093		1584
1094	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1098		1595
1099	utf8::decode $login;	1596	utf8::decode $login;
1100	push @logins, $login;	1597	push @logins, $login;
1101	}	1598	}
1102		1599
…		…
1129	}	1626	}
1130		1627
1131	\@paths	1628	\@paths
1132	}	1629	}
1133		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1134	=item $player->ext_reply ($msgid, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1135		1636
1136	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1137		1638
1138	=cut	1639	=cut
1139		1640
1140	sub ext_reply($$%) {	1641	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1142		1643
1143	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1645	}
1147		1646
1148	=item $player->ext_event ($type, %msg)	1647	=item $player->ext_msg ($type, @msg)
1149		1648
1150	Sends an ext event to the client.	1649	Sends an ext event to the client.
1151		1650
1152	=cut	1651	=cut
1153		1652
1154	sub ext_event($$%) {	1653	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1654	my ($self, $type, @msg) = @_;
1156		1655
1157	$self->ns->ext_event ($type, %msg);	1656	$self->ns->ext_msg ($type, @msg);
1158	}	1657	}
1159		1658
1160	=head3 cf::region	1659	=head3 cf::region
1161		1660
1162	=over 4	1661	=over 4
…		…
1165		1664
1166	package cf::region;	1665	package cf::region;
1167		1666
1168	=item cf::region::find_by_path $path	1667	=item cf::region::find_by_path $path
1169		1668
1170	Tries to decuce the probable region for a map knowing only its path.	1669	Tries to decuce the likely region for a map knowing only its path.
1171		1670
1172	=cut	1671	=cut
1173		1672
1174	sub find_by_path($) {	1673	sub find_by_path($) {
1175	my ($path) = @_;	1674	my ($path) = @_;
1176		1675
1177	my ($match, $specificity);	1676	my ($match, $specificity);
1178		1677
1179	for my $region (list) {	1678	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1679	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1680	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1681	if $region->specificity > $specificity;
1183	}	1682	}
1184	}	1683	}
1185		1684
…		…
1206	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1208		1707
1209	sub generate_random_map {	1708	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1211	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1714	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1250		1752
1251	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1252	local $self->{path};	1754	local $self->{path};
1253	local $self->{load_path};	1755	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1756
1257	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1258	}	1758	}
1259		1759
1260	sub normalise {	1760	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1308	return $self;	1808	return $self;
1309	}	1809	}
1310	}	1810	}
1311		1811
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1813	()
1314	}	1814	}
1315		1815
1316	sub init {	1816	sub init {
1317	my ($self) = @_;	1817	my ($self) = @_;
…		…
1332		1832
1333	# the original (read-only) location	1833	# the original (read-only) location
1334	sub load_path {	1834	sub load_path {
1335	my ($self) = @_;	1835	my ($self) = @_;
1336		1836
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1338	}	1838	}
1339		1839
1340	# the temporary/swap location	1840	# the temporary/swap location
1341	sub save_path {	1841	sub save_path {
1342	my ($self) = @_;	1842	my ($self) = @_;
1343		1843
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1346	}	1846	}
1347		1847
1348	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1349	sub uniq_path {	1849	sub uniq_path {
1350	my ($self) = @_;	1850	my ($self) = @_;
1351		1851
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1354	}	1854	}
1355		1855
1356	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1357	# all maps in C++...	1857	# all maps in C++...
1358	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1360		1860
1361	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1363	}	1863	}
1364		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1365	sub unlink_save {	1873	sub unlink_save {
1366	my ($self) = @_;	1874	my ($self) = @_;
1367		1875
1368	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1880
1373	sub load_header_from($) {	1881	sub load_header_from($) {
1374	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1375		1883
1376	utf8::encode $path;	1884	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1382		1893
1383	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1384		1895
1385	1	1896	1
1386	}	1897	}
…		…
1425	$self->load_header_orig	1936	$self->load_header_orig
1426	or return;	1937	or return;
1427	$self->prepare_orig;	1938	$self->prepare_orig;
1428	}	1939	}
1429		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
1430	$self->default_region (cf::region::find_by_path $self->{path})	1944	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1945	unless $self->default_region;
1432		1946
1433	1	1947	1
1434	}	1948	}
…		…
1437	sub find {	1951	sub find {
1438	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1439		1953
1440	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1441		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1443		1958
1444	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1446	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1447	or return;	1964	or return;
1448		1965
1449	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1450		1967
1451	$map->load_header	1968	$map->load_header
1452	or return;	1969	or return;
1453		1970
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1457	$map->reset;	1976	$map->reset;
1458	undef $guard;
1459	return find $path;	1977	return find $path;
1460	}	1978	}
1461		1979
1462	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1463	}	1981	}
…		…
1470	my ($self) = @_;	1988	my ($self) = @_;
1471		1989
1472	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1473		1991
1474	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1476		1996
		1997	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1999
1479	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1480		2001
1481	$self->alloc;	2002	$self->alloc;
1482		2003
1483	$self->pre_load;	2004	$self->pre_load;
1484	Coro::cede;	2005	cf::cede_to_tick;
1485		2006
1486	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1487	or return;	2010	or return;
1488		2011
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1490	if delete $self->{load_original};	2013	if delete $self->{load_original};
1491		2014
1492	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2016	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2019	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1497	}	2023	}
1498	}	2024	}
1499		2025
1500	Coro::cede;	2026	$f->resolve_delayed_derefs;
		2027
		2028	cf::cede_to_tick;
1501	# now do the right thing for maps	2029	# now do the right thing for maps
1502	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2032	unless $self->difficulty;
1513	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1514	$self->activate;	2042	$self->activate;
1515	Coro::cede;	2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2049	}
1517		2050
1518	$self->post_load;	2051	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2052	}
1523		2053
1524	sub customise_for {	2054	sub customise_for {
1525	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1526		2056
1527	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2058	if $self->per_player;
1529		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1530	$self	2063	$self
1531	}	2064	}
1532		2065
1533	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2067	sub load_neighbours {
1535	my ($map) = @_;	2068	my ($map) = @_;
1536		2069
1537	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1538		2071
1539	for (0 .. 3) {	2072	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1541	or next;	2074	or next;
1542	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1543	or next;	2076	or next;
1544	$neigh->load;	2077	$neigh->load;
1545		2078
		2079	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2082	}
1549		2083
1550	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1552	or next;	2087	or next;
1553	$neigh->load;	2088	$neigh->load;
1554	}	2089	}
1555	}	2090	}
1556		2091
…		…
1561	}	2096	}
1562		2097
1563	sub do_load_sync {	2098	sub do_load_sync {
1564	my ($map) = @_;	2099	my ($map) = @_;
1565		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1566	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1567	}	2105	}
1568		2106
1569	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1571		2109
1572	sub find_async {	2110	sub find_async {
1573	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1574		2112
1575	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1576		2114
1577	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2117	}
1580		2118
1581	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1582	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1583	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2126	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2127	$map->load if $v;
		2128	}
1588		2129
1589	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1590	}	2131	}
1591	}	2132	}
1592	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1593	};	2134	};
1594	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2138	}
1598		2139
1599	sub save {	2140	sub save {
1600	my ($self) = @_;	2141	my ($self) = @_;
1601		2142
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2144
1604	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1605		2146
1606	return unless $self->dirty;	2147	return unless $self->dirty;
1607		2148
…		…
1613	return if $self->{deny_save};	2154	return if $self->{deny_save};
1614		2155
1615	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1616		2157
1617	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1619	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1620		2164
1621	if ($uniq) {	2165	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2168	} else {
…		…
1630	my ($self) = @_;	2174	my ($self) = @_;
1631		2175
1632	# save first because save cedes	2176	# save first because save cedes
1633	$self->save;	2177	$self->save;
1634		2178
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2180
1637	return if $self->players;	2181	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2183	return if $self->{deny_save};
1640		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2189	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2190	}
1644		2191
1645	sub reset_at {	2192	sub reset_at {
1646	my ($self) = @_;	2193	my ($self) = @_;
1647		2194
1648	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1651		2197
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2200
…		…
1665	my ($self) = @_;	2211	my ($self) = @_;
1666		2212
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2214
1669	return if $self->players;	2215	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2216
1672	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
1673		2218
1674	$self->in_memory (cf::MAP_SWAPPED);	2219	$self->in_memory (cf::MAP_SWAPPED);
1675		2220
1676	# need to save uniques path	2221	# need to save uniques path
1677	unless ($self->{deny_save}) {	2222	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2226	if $uniq;
1682	}	2227	}
1683		2228
1684	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1685		2230
		2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2233	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2234
1690	$self->unlink_save;	2235	$self->unlink_save;
1691	$self->destroy;	2236	$self->destroy;
1692	}	2237	}
1693		2238
1694	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1695		2240
1696	sub nuke {	2241	sub nuke {
1697	my ($self) = @_;	2242	my ($self) = @_;
1698		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1699	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1700		2248
1701	$self->unlink_save;	2249	$self->unlink_save;
1702		2250
1703	bless $self, "cf::map";	2251	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2256
1709	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1710		2259
1711	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1712	}	2297	}
1713		2298
1714	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1715		2300
1716	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2302	instantiated unique items. May block.
1718		2303
1719	=cut	2304	=cut
1720		2305
1721	sub unique_maps() {	2306	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1723	or return;	2308	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2309	utf8::decode $_;
1729	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2312	? ()
1732	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2315	]
1734
1735	\@paths
1736	}	2316	}
1737
1738	package cf;
1739		2317
1740	=back	2318	=back
1741		2319
1742	=head3 cf::object	2320	=head3 cf::object
1743		2321
…		…
1747		2325
1748	=over 4	2326	=over 4
1749		2327
1750	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1751		2329
1752	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1753		2332
1754	=cut	2333	=cut
1755		2334
1756	sub inv_recursive_;	2335	sub inv_recursive_;
1757	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1760		2339
1761	sub inv_recursive {	2340	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1763	}	2342	}
1764		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1765	package cf;	2372	package cf;
1766		2373
1767	=back	2374	=back
1768		2375
1769	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1778		2385
1779	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1780		2401
1781	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2403	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1786		2407
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2409
1789	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1791	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1794	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1795	}	2435	}
1796		2436
1797	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1798		2438
1799	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1812		2452
1813	=item $player_object->enter_link	2453	=item $player_object->enter_link
1814		2454
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2456
1817	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1819		2461
1820	Will never block.	2462	Will never block.
1821		2463
1822	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1823		2465
…		…
1846	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1847		2489
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2491
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1852		2494
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2496	}
1855		2497
1856	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1858		2502
1859	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1860		2504
1861	unless ($map) {	2505	unless ($map) {
1862	# restore original map position	2506	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1879		2523
1880	$map->load;	2524	$map->load;
1881	$map->load_diag;	2525	$map->load_neighbours;
1882		2526
1883	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2529	$self->activate_recursive;
1885		2530
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1888	}	2533	}
1889		2534
1890	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2536
1894	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1898	};	2541	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2542
1904	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2545
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1925		2549
1926	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2555
1929	$self->enter_link;	2556	$self->enter_link;
1930		2557
1931	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1932	my $map = eval {	2580	my $map = eval {
1933	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1935	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2596	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1940	})->prio (1);	2604	})->prio (1);
1941	}	2605	}
1942		2606
1943	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1944		2608
…		…
1964	}	2628	}
1965		2629
1966	sub prepare_random_map {	2630	sub prepare_random_map {
1967	my ($exit) = @_;	2631	my ($exit) = @_;
1968		2632
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2635	# that depends on the exit object
1974		2636
1975	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2639	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1982	}	2646	}
1983		2647
1984	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1985		2649
1986	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1989		2653
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2656	undef $fh;
1993	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1994		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1997	}	2665	}
1998	}	2666	}
1999		2667
2000	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
2002		2670
2003	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
2004		2672
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2673	$self->enter_link;
2017		2674
2018	(async {	2675	(async {
2019	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
2020	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
2021	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
2022		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
2023	1;	2699	1
2024	}) {	2700	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2705
2030	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
…		…
2049		2725
2050	utf8::encode $text;	2726	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2728	}
2053		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
2054	=item $client->ext_event ($type, %msg)	2881	=item $client->ext_msg ($type, @msg)
2055		2882
2056	Sends an exti event to the client.	2883	Sends an ext event to the client.
2057		2884
2058	=cut	2885	=cut
2059		2886
2060	sub cf::client::ext_event($$%) {	2887	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2888	my ($self, $type, @msg) = @_;
2062		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2893	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
2065	}	2914	}
2066		2915
2067	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
2068		2917
2069	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2921
2073	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2923	become reliable at some point in the future.
2075		2924
2076	=cut	2925	=cut
2077		2926
2078	sub cf::client::query {	2927	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2936	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2938
2090	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
2092	}	2943	}
2093		2944
2094	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
2095	on_reply => sub {	2951	on_reply => sub {
2096	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
2097		2953
2098	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2099	# get handled first	2955	# get handled first
…		…
2111	} else {	2967	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2969	}
2114	}	2970	}
2115	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2116	);	2998	);
2117		2999
2118	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2119		3001
2120	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2163		3045
2164	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2165		3047
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2167		3053
2168	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2169		3055
2170	=pod	3056	=pod
2171		3057
2172	The following functions and methods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2173		3059
2174	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2175	cf::object::player player	3064	cf::object::player
2176	cf::player peaceful	3065	player
2177	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2178		3072
2179	=cut	3073	=cut
2180		3074
2181	for (	3075	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2186	) {	3082	) {
2187	no strict 'refs';	3083	no strict 'refs';
…		…
2258	=back	3154	=back
2259		3155
2260	=cut	3156	=cut
2261		3157
2262	#############################################################################	3158	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3159	# the server's init and main functions
2336		3160
2337	sub load_facedata {	3161	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3162	my ($path) = @_;
		3163
		3164	# HACK to clear player env face cache, we need some signal framework
		3165	# for this (global event?)
		3166	%ext::player_env::MUSIC_FACE_CACHE = ();
		3167
		3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3169
2340	warn "loading facedata from $path\n";	3170	warn "loading facedata from $path\n";
2341		3171
2342	my $facedata;	3172	my $facedata;
2343	0 < aio_load $path, $facedata	3173	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3176	$facedata = Coro::Storable::thaw $facedata;
2347		3177
2348	$facedata->{version} == 2	3178	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3180
		3181	# patch in the exptable
		3182	$facedata->{resource}{"res/exp_table"} = {
		3183	type => FT_RSRC,
		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3185	};
		3186	cf::cede_to_tick;
		3187
2351	{	3188	{
2352	my $faces = $facedata->{faceinfo};	3189	my $faces = $facedata->{faceinfo};
2353		3190
2354	while (my ($face, $info) = each %$faces) {	3191	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3193
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3194	cf::face::set_visibility $idx, $info->{visibility};
		3195	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3198
		3199	cf::cede_to_tick;
2360	}	3200	}
2361		3201
2362	while (my ($face, $info) = each %$faces) {	3202	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3203	next unless $info->{smooth};
		3204
2364	my $idx = cf::face::find $face	3205	my $idx = cf::face::find $face
2365	or next;	3206	or next;
		3207
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3211	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3213	}
2371	Coro::cede;	3214
		3215	cf::cede_to_tick;
2372	}	3216	}
2373	}	3217	}
2374		3218
2375	{	3219	{
2376	my $anims = $facedata->{animinfo};	3220	my $anims = $facedata->{animinfo};
2377		3221
2378	while (my ($anim, $info) = each %$anims) {	3222	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3224	cf::cede_to_tick;
2381	}	3225	}
2382		3226
2383	cf::anim::invalidate_all; # d'oh	3227	cf::anim::invalidate_all; # d'oh
2384	}	3228	}
2385		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
2386	1	3265	1
2387	}	3266	}
2388		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
2389	sub load_archetypes {	3325	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3326	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3327	or die "unable to load archetypes\n";
2392	}	3328	}
2393		3329
2394	sub load_treasures {	3330	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3331	load_resource_file "$DATADIR/treasures"
		3332	or die "unable to load treasurelists\n";
2396	}	3333	}
2397		3334
2398	sub reload_resources {	3335	sub reload_resources {
2399	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3336	warn "reloading resource files...\n";
2400	or die "unable to load regions file\n";	3337
2401	load_facedata	3338	reload_facedata;
2402	or die "unable to load facedata\n";
2403	load_archetypes	3339	reload_archetypes;
2404	or die "unable to load archetypes\n";	3340	reload_regions;
2405	load_treasures	3341	reload_treasures;
2406	or die "unable to load treasurelists\n";	3342
		3343	warn "finished reloading resource files\n";
2407	}	3344	}
2408		3345
2409	sub init {	3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
2410	reload_resources;	3351	reload_resources;
2411	}	3352	}
2412		3353
2413	sub cfg_load {	3354	sub reload_config {
2414	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2415	or return;	3356	or return;
2416		3357
2417	local $/;	3358	local $/;
2418	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2419		3360
2420	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2421		3362
2422	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2423	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2429	};	3370	};
2430	warn $@ if $@;	3371	warn $@ if $@;
2431	}	3372	}
2432	}	3373	}
2433		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2434	sub main {	3394	sub main {
		3395	atomic;
		3396
2435	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2436	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2437	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2438	(async {	3400	(async {
2439	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2440	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2441	};	3404	};
2442		3405
2443	cfg_load;	3406	{
		3407	my $guard = freeze_mainloop;
		3408	reload_config;
2444	db_init;	3409	db_init;
2445	load_extensions;	3410	load_extensions;
2446		3411
2447	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2448	Event::loop;	3420	EV::loop;
2449	}	3421	}
2450		3422
2451	#############################################################################	3423	#############################################################################
2452	# initialisation and cleanup	3424	# initialisation and cleanup
2453		3425
2454	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2455	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2456	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2457	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2458	reentrant => 0,
2459	data => WF_AUTOCANCEL,
2460	signal => $signal,
2461	prio => 0,
2462	cb => sub {
2463	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2464	},
2465	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2466	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		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	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2467	}	3513	}
2468		3514
2469	sub emergency_save() {	3515	sub emergency_save() {
2470	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2471		3517
…		…
2477	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2478	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2479	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2480	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2481	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2482	$pl->save;	3529	$pl->save;
2483	}	3530	}
2484	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2485		3532
2486	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2492	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
2493		3540
2494	warn "begin emergency database checkpoint\n";	3541	warn "begin emergency database checkpoint\n";
2495	BDB::db_env_txn_checkpoint $DB_ENV;	3542	BDB::db_env_txn_checkpoint $DB_ENV;
2496	warn "end emergency database checkpoint\n";	3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2497	};	3548	};
2498		3549
2499	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2500	}	3551	}
2501		3552
2502	sub post_cleanup {	3553	sub post_cleanup {
2503	my ($make_core) = @_;	3554	my ($make_core) = @_;
2504		3555
2505	warn Carp::longmess "post_cleanup backtrace"	3556	warn Carp::longmess "post_cleanup backtrace"
2506	if $make_core;	3557	if $make_core;
2507	}
2508		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
		3587	}
		3588
2509	sub reload() {	3589	sub do_reload_perl() {
2510	# can/must only be called in main	3590	# can/must only be called in main
2511	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2512	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2513	return;	3593	return;
2514	}	3594	}
2515		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2516	warn "reloading...";	3599	warn "reloading...";
2517		3600
2518	warn "entering sync_job";	3601	warn "entering sync_job";
2519		3602
2520	cf::sync_job {	3603	cf::sync_job {
2521	cf::write_runtime; # external watchdog should not bark	3604	cf::write_runtime_sync; # external watchdog should not bark
2522	cf::emergency_save;	3605	cf::emergency_save;
2523	cf::write_runtime; # external watchdog should not bark	3606	cf::write_runtime_sync; # external watchdog should not bark
2524		3607
2525	warn "syncing database to disk";	3608	warn "syncing database to disk";
2526	BDB::db_env_txn_checkpoint $DB_ENV;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2527		3610
2528	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2529		3612
2530	warn "cancelling all WF_AUTOCANCEL watchers";
2531	for (Event::all_watchers) {
2532	$_->cancel if $_->data & WF_AUTOCANCEL;
2533	}
2534
2535	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2536	for (;;) {
2537	BDB::flush;
2538	IO::AIO::flush;
2539	Coro::cede;
2540	last unless IO::AIO::nreqs || BDB::nreqs;	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2541	warn "iterate...";	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2542	}
2543
2544	++$RELOAD;
2545
2546	warn "cancelling all extension coros";
2547	$_->cancel for values %EXT_CORO;
2548	%EXT_CORO = ();
2549
2550	warn "removing commands";
2551	%COMMAND = ();
2552
2553	warn "removing ext commands";
2554	%EXTCMD = ();
2555
2556	warn "unloading/nuking all extensions";
2557	for my $pkg (@EXTS) {
2558	warn "... unloading $pkg";
2559
2560	if (my $cb = $pkg->can ("unload")) {
2561	eval {
2562	$cb->($pkg);
2563	1
2564	} or warn "$pkg unloaded, but with errors: $@";
2565	}	3616	}
2566		3617
2567	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2568	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2569	}	3620	%EXT_CORO = ();
2570		3621
2571	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2572	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2573	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2574		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2575	warn "... unloading $k";	3631	warn "... unloading $pkg";
2576	delete $INC{$k};
2577		3632
2578	$k =~ s/\.pm$//;
2579	$k =~ s/\//::/g;
2580
2581	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2582	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2583	}	3642	}
2584		3643
2585	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2586	}	3659	}
2587		3660
2588	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2589	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2590	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2591		3664
2592	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2593	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2594		3668
2595	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2596	# and global variables created in xs	3670	# and global variables created in xs
2597	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2598		3672
2599	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2600		3674
2601	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2602	require cf;	3676	require cf;
2603	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2604		3678
2605	warn "loading config and database again";	3679	warn "loading config and database again";
2606	cf::cfg_load;	3680	cf::reload_config;
2607		3681
2608	warn "loading extensions";	3682	warn "loading extensions";
2609	cf::load_extensions;	3683	cf::load_extensions;
2610		3684
2611	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2612	_global_reattach; # objects, sockets	3686	_global_reattach; # objects, sockets
2613	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2614	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
2615	warn "reattaching attachments to players";	3689	warn "reattaching attachments to players";
2616	reattach $_ for values %PLAYER;	3690	reattach $_ for values %PLAYER;
2617		3691
2618	warn "loading reloadable resources";
2619	reload_resources;
2620
2621	warn "leaving sync_job";	3692	warn "leaving sync_job";
2622		3693
2623	1	3694	1
2624	} or do {	3695	} or do {
2625	warn $@;	3696	warn $@;
2626	warn "error while reloading, exiting.";	3697	cf::cleanup "error while reloading, exiting.";
2627	exit 1;	3698	};
		3699
		3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
		3703	};
		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
2628	};	3714	};
2629		3715	}
2630	warn "reloaded";
2631	};
2632
2633	our $RELOAD_WATCHER; # used only during reload
2634		3716
2635	register_command "reload" => sub {	3717	register_command "reload" => sub {
2636	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2637		3719
2638	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2639	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2640		3722	async {
2641	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2642	# coro crashes during coro_state_free->destroy here.
2643
2644	$RELOAD_WATCHER ||= Event->timer (
2645	reentrant => 0,
2646	after => 0,
2647	data => WF_AUTOCANCEL,
2648	cb => sub {
2649	reload;	3724	reload_perl;
2650	undef $RELOAD_WATCHER;
2651	},
2652	);	3725	};
2653	}	3726	}
2654	};	3727	};
2655		3728
2656	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2657		3730
…		…
2659		3732
2660	our @WAIT_FOR_TICK;	3733	our @WAIT_FOR_TICK;
2661	our @WAIT_FOR_TICK_BEGIN;	3734	our @WAIT_FOR_TICK_BEGIN;
2662		3735
2663	sub wait_for_tick {	3736	sub wait_for_tick {
2664	return unless $TICK_WATCHER->is_active;
2665	return if $Coro::current == $Coro::main;	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2666		3738
2667	my $signal = new Coro::Signal;	3739	my $signal = new Coro::Signal;
2668	push @WAIT_FOR_TICK, $signal;	3740	push @WAIT_FOR_TICK, $signal;
2669	$signal->wait;	3741	$signal->wait;
2670	}	3742	}
2671		3743
2672	sub wait_for_tick_begin {	3744	sub wait_for_tick_begin {
2673	return unless $TICK_WATCHER->is_active;
2674	return if $Coro::current == $Coro::main;	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2675		3746
2676	my $signal = new Coro::Signal;	3747	my $signal = new Coro::Signal;
2677	push @WAIT_FOR_TICK_BEGIN, $signal;	3748	push @WAIT_FOR_TICK_BEGIN, $signal;
2678	$signal->wait;	3749	$signal->wait;
2679	}	3750	}
2680		3751
2681	$TICK_WATCHER = Event->timer (	3752	sub tick {
2682	reentrant => 0,
2683	parked => 1,
2684	prio => 0,
2685	at => $NEXT_TICK || $TICK,
2686	data => WF_AUTOCANCEL,
2687	cb => sub {
2688	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2689	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2690	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2691	return;	3756	return;
2692	}	3757	}
2693		3758
2694	$NOW = Event::time;
2695
2696	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2697	$RUNTIME += $TICK;
2698	$NEXT_TICK += $TICK;
2699		3760
2700	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2701	$NEXT_RUNTIME_WRITE = $NOW + 10;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2702	Coro::async_pool {	3763	Coro::async_pool {
		3764	$Coro::current->{desc} = "runtime saver";
2703	write_runtime	3765	write_runtime_sync
2704	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
2705	};
2706	}	3767	};
		3768	}
2707		3769
2708	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2709	$sig->send;	3771	$sig->send;
2710	}	3772	}
2711	while (my $sig = shift @WAIT_FOR_TICK) {	3773	while (my $sig = shift @WAIT_FOR_TICK) {
2712	$sig->send;	3774	$sig->send;
2713	}
2714
2715	# my $AFTER = Event::time;
2716	# warn $AFTER - $NOW;#d#
2717
2718	# if we are delayed by four ticks or more, skip them all
2719	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2720
2721	$TICK_WATCHER->at ($NEXT_TICK);
2722	$TICK_WATCHER->start;
2723	},	3775	}
2724	);	3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
2725		3788
2726	{	3789	{
2727	BDB::max_poll_time $TICK * 0.1;	3790	# configure BDB
2728	$BDB_POLL_WATCHER = Event->io (	3791
2729	reentrant => 0,
2730	fd => BDB::poll_fileno,
2731	poll => 'r',
2732	prio => 0,
2733	data => WF_AUTOCANCEL,
2734	cb => \&BDB::poll_cb,
2735	);
2736	BDB::min_parallel 8;	3792	BDB::min_parallel 8;
2737		3793	BDB::max_poll_reqs $TICK * 0.1;
2738	BDB::set_sync_prepare {	3794	$AnyEvent::BDB::WATCHER->priority (1);
2739	my $status;
2740	my $current = $Coro::current;
2741	(
2742	sub {
2743	$status = $!;
2744	$current->ready; undef $current;
2745	},
2746	sub {
2747	Coro::schedule while defined $current;
2748	$! = $status;
2749	},
2750	)
2751	};
2752		3795
2753	unless ($DB_ENV) {	3796	unless ($DB_ENV) {
2754	$DB_ENV = BDB::db_env_create;	3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2755		3803
2756	cf::sync_job {	3804	cf::sync_job {
2757	eval {	3805	eval {
2758	BDB::db_env_open	3806	BDB::db_env_open
2759	$DB_ENV,	3807	$DB_ENV,
2760	$BDB_ENV_DIR,	3808	$BDBDIR,
2761	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2762	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2763	0666;	3811	0666;
2764		3812
2765	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2766
2767	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2768	$DB_ENV->set_lk_detect;
2769	};	3814	};
2770		3815
2771	cf::cleanup "db_env_open(db): $@" if $@;	3816	cf::cleanup "db_env_open(db): $@" if $@;
2772	};	3817	};
2773	}	3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
2774	}	3829	}
2775		3830
2776	{	3831	{
		3832	# configure IO::AIO
		3833
2777	IO::AIO::min_parallel 8;	3834	IO::AIO::min_parallel 8;
2778
2779	undef $Coro::AIO::WATCHER;
2780	IO::AIO::max_poll_time $TICK * 0.1;	3835	IO::AIO::max_poll_time $TICK * 0.1;
2781	$AIO_POLL_WATCHER = Event->io (	3836	undef $AnyEvent::AIO::WATCHER;
2782	reentrant => 0,
2783	data => WF_AUTOCANCEL,
2784	fd => IO::AIO::poll_fileno,
2785	poll => 'r',
2786	prio => 6,
2787	cb => \&IO::AIO::poll_cb,
2788	);
2789	}	3837	}
		3838
		3839	my $_log_backtrace;
		3840
		3841	sub _log_backtrace {
		3842	my ($msg, @addr) = @_;
		3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2790		3883
2791	END { cf::emergency_save }	3884	END { cf::emergency_save }
2792		3885
2793	1	3886	1
2794		3887

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