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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.227 by root, Fri Mar 23 18:32:48 2007 UTC vs.
Revision 1.448 by root, Fri Sep 19 05:30:23 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
26	use YAML::Syck ();	56	use YAML ();
27	use IO::AIO 2.32 ();	57	use IO::AIO ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
30		63
31	# configure various modules to our taste	64	# configure various modules to our taste
32	#	65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
33	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
34	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
35
36	$Event::Eval = 1; # no idea why this is required, but it is
37
38	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
39	$YAML::Syck::ImplicitUnicode = 1;
40		68
41	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		72	# very ugly, but ensure we acquire the storable lock
		73
		74	sub net_mstore {
		75	my $guard = Coro::Storable::guard;
		76	&Storable::net_mstore
		77	}
		78
		79	sub mretrieve {
		80	my $guard = Coro::Storable::guard;
		81	&Storable::mretrieve
		82	}
		83
		84	Compress::LZF::set_serializer "Coro::Storable", "cf::net_mstore", "cf::mretrieve";
		85	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		86	}
42		87
43	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
44		89
45	our %COMMAND = ();	90	our %COMMAND = ();
46	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
47		92
48	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
49	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
50	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
51	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
52		98
53	our $RELOAD; # number of reloads so far	99	our $RELOAD; # number of reloads so far
54	our @EVENT;	100	our @EVENT;
55	our $LIBDIR = datadir . "/ext";
56		101
57	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
58	our $TICK_WATCHER;	103	our $DATADIR = datadir;
59	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
		105	our $PODDIR = "$DATADIR/pod";
		106	our $MAPDIR = "$DATADIR/" . mapdir;
		107	our $LOCALDIR = localdir;
		108	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		109	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		110	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		111	our $RANDOMDIR = "$LOCALDIR/random";
		112	our $BDBDIR = "$LOCALDIR/db";
		113	our $PIDFILE = "$LOCALDIR/pid";
		114	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		115
		116	our %RESOURCE;
		117
		118	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
61	our $NEXT_TICK;	120	our $NEXT_TICK;
62	our $NOW;
63	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
64		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
65	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
66	our $DB_ENV;	126	our $DB_ENV;
67		127
68	our %CFG;	128	our %CFG;
69		129
70	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
71	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
72		133
73	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
74	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
75	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
76	our $RANDOM_MAPS = cf::localdir . "/random";
77	our $BDB_ENV_DIR = cf::localdir . "/db";
78
79	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
80	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
81		137
82	# used to convert map paths into valid unix filenames by replacing / by ∕	138	# used to convert map paths into valid unix filenames by replacing / by ∕
83	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
84		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
85	binmode STDOUT;	146	binmode STDOUT;
86	binmode STDERR;	147	binmode STDERR;
87		148
88	# read virtual server time, if available	149	# read virtual server time, if available
89	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
90	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
91	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
92	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
93	}	154	}
94		155
95	mkdir cf::localdir;	156	mkdir $_
96	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
97	mkdir cf::localdir . "/" . cf::tmpdir;
98	mkdir cf::localdir . "/" . cf::uniquedir;
99	mkdir $RANDOM_MAPS;
100	mkdir $BDB_ENV_DIR;
101		158
102	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
103		160
104	sub cf::map::normalise;	161	sub cf::map::normalise;
105		162
…		…
116	=item $cf::RUNTIME	173	=item $cf::RUNTIME
117		174
118	The time this server has run, starts at 0 and is increased by $cf::TICK on	175	The time this server has run, starts at 0 and is increased by $cf::TICK on
119	every server tick.	176	every server tick.
120		177
121	=item $cf::LIBDIR	178	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		179	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		180	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
122		181
123	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
124	be found. It will be added to C<@INC> automatically.	183	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		184	unique-items directory, player file directory, random maps directory and
		185	database environment.
125		186
126	=item $cf::NOW	187	=item $cf::NOW
127		188
128	The time of the last (current) server tick.	189	The time of the last (current) server tick.
129		190
130	=item $cf::TICK	191	=item $cf::TICK
131		192
132	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
133		194
		195	=item $cf::LOADAVG
		196
		197	The current CPU load on the server (alpha-smoothed), as a value between 0
		198	(none) and 1 (overloaded), indicating how much time is spent on processing
		199	objects per tick. Healthy values are < 0.5.
		200
		201	=item $cf::LOAD
		202
		203	The raw value load value from the last tick.
		204
134	=item %cf::CFG	205	=item %cf::CFG
135		206
136	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
137	from wherever your confdir points to.	208	from wherever your confdir points to.
138		209
139	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
140		211
141	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	212	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
142	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	213	returns directly I<after> the tick processing (and consequently, can only wake one process
143	processing has been done. Call C<< ->wait >> on them to maximise the	214	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
144	window of cpu time available, or simply to synchronise to the server tick.	215
		216	=item @cf::INVOKE_RESULTS
		217
		218	This array contains the results of the last C<invoke ()> call. When
		219	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		220	that call.
145		221
146	=back	222	=back
147		223
148	=cut	224	=cut
149		225
150	BEGIN {	226	BEGIN {
151	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
152	my $msg = join "", @_;	228	my $msg = join "", @_;
153	utf8::encode $msg;
154		229
155	$msg .= "\n"	230	$msg .= "\n"
156	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
157		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
158	LOG llevError, $msg;	235	LOG llevError, $msg;
159	};	236	};
160	}	237	}
		238
		239	$Coro::State::DIEHOOK = sub {
		240	return unless $^S eq 0; # "eq", not "=="
		241
		242	if ($Coro::current == $Coro::main) {#d#
		243	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		244	return;#d#
		245	}#d#
		246
		247	# kill coroutine otherwise
		248	warn Carp::longmess $_[0];
		249	Coro::terminate
		250	};
		251
		252	$SIG{__DIE__} = sub { }; #d#?
161		253
162	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
163	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
164	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
165	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
166	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	258	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		259	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
167	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	260	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
168		261
169	# we bless all objects into (empty) derived classes to force a method lookup	262	# we bless all objects into (empty) derived classes to force a method lookup
170	# within the Safe compartment.	263	# within the Safe compartment.
171	for my $pkg (qw(	264	for my $pkg (qw(
172	cf::global cf::attachable	265	cf::global cf::attachable
173	cf::object cf::object::player	266	cf::object cf::object::player
174	cf::client cf::player	267	cf::client cf::player
175	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
176	cf::map cf::party cf::region	270	cf::party cf::region
177	)) {	271	)) {
178	no strict 'refs';
179	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
180	}	273	}
181		274
182	$Event::DIED = sub {	275	$EV::DIED = sub {
183	warn "error in event callback: @_";	276	warn "error in event callback: @_";
184	};	277	};
		278
		279	#############################################################################
185		280
186	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
187		282
188	=over 4	283	=over 4
189		284
…		…
208	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	303	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
209	$d	304	$d
210	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
211	}	306	}
212		307
213	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
214
215	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
216		309
217	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
218		311
219	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
220		313
221	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
		315
		316	=cut
		317
		318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		319
		320	sub encode_json($) { $json_coder->encode ($_[0]) }
		321	sub decode_json($) { $json_coder->decode ($_[0]) }
222		322
223	=item cf::lock_wait $string	323	=item cf::lock_wait $string
224		324
225	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
226		326
…		…
229	Wait until the given lock is available and then acquires it and returns	329	Wait until the given lock is available and then acquires it and returns
230	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	330	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
231	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
232	returned.	332	returned.
233		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
234	Lock names should begin with a unique identifier (for example, cf::map::find	337	Lock names should begin with a unique identifier (for example, cf::map::find
235	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
236		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
237	=cut	344	=cut
238		345
239	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
240		348
241	sub lock_wait($) {	349	sub lock_wait($) {
242	my ($key) = @_;	350	my ($key) = @_;
		351
		352	if ($LOCKER{$key} == $Coro::current) {#d#
		353	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		354	return;#d#
		355	}#d#
243		356
244	# wait for lock, if any	357	# wait for lock, if any
245	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
246	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
247	Coro::schedule;	360	Coro::schedule;
…		…
253		366
254	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
255	lock_wait $key;	368	lock_wait $key;
256		369
257	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
258		372
259	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
260	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
261	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
262	}	377	}
263	}	378	}
264		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
265	sub freeze_mainloop {	386	sub freeze_mainloop {
266	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
267		388
268	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
269	$TICK_WATCHER->start;	390	}
		391
		392	=item cf::periodic $interval, $cb
		393
		394	Like EV::periodic, but randomly selects a starting point so that the actions
		395	get spread over timer.
		396
		397	=cut
		398
		399	sub periodic($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
270	};	450	}
271	$TICK_WATCHER->stop;	451	};
272	$guard	452
		453	sub get_slot($;$$) {
		454	return if tick_inhibit || $Coro::current == $Coro::main;
		455
		456	my ($time, $pri, $name) = @_;
		457
		458	$time = $TICK * .6 if $time > $TICK * .6;
		459	my $sig = new Coro::Signal;
		460
		461	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		462	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		463	$SLOT_QUEUE->ready;
		464	$sig->wait;
273	}	465	}
274		466
275	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
276		468
277	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		474
283	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
284		476
285	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
286		478
287	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
290		483
291	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
294	fast or be very important.	487	fast or be very important.
…		…
297		490
298	sub sync_job(&) {	491	sub sync_job(&) {
299	my ($job) = @_;	492	my ($job) = @_;
300		493
301	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
302	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
304		499
305	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	501
307	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
308		503
309	my $busy = 1;	504	my $busy = 1;
310	my @res;	505	my @res;
311		506
312	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	509	@res = eval { $job->() };
314	warn $@ if $@;	510	warn $@ if $@;
315	undef $busy;	511	undef $busy;
316	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
317		513
318	while ($busy) {	514	while ($busy) {
319	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
320	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
321		525
322	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
323	} else {	527	} else {
324	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
325		529
…		…
345	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
346		550
347	$coro	551	$coro
348	}	552	}
349		553
350	sub write_runtime {	554	=item fork_call { }, $args
351	my $guard = cf::lock_acquire "write_runtime";
352		555
353	my $runtime = cf::localdir . "/runtime";	556	Executes the given code block with the given arguments in a seperate
		557	process, returning the results. Everything must be serialisable with
		558	Coro::Storable. May, of course, block. Note that the executed sub may
		559	never block itself or use any form of event handling.
354		560
355	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	561	=cut
356	or return;
357		562
358	my $value = $cf::RUNTIME + 90 + 10;	563	sub fork_call(&@) {
359	# 10 is the runtime save interval, for a monotonic clock	564	my ($cb, @args) = @_;
360	# 60 allows for the watchdog to kill the server.
361		565
362	(aio_write $fh, 0, (length $value), $value, 0) <= 0	566	# we seemingly have to make a local copy of the whole thing,
363	and return;	567	# otherwise perl prematurely frees the stuff :/
		568	# TODO: investigate and fix (likely this will be rather laborious)
364		569
365	# always fsync - this file is important	570	my @res = Coro::Util::fork_eval {
366	aio_fsync $fh	571	reset_signals;
367	and return;	572	&$cb
		573	}, @args;
368		574
369	close $fh	575	wantarray ? @res : $res[-1]
370	or return;	576	}
371		577
372	aio_rename "$runtime~", $runtime	578	=item $coin = coin_from_name $name
373	and return;
374		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		600	$coin_alias{$_[0]}
		601	? cf::arch::find $coin_alias{$_[0]}
		602	: undef
		603	}
		604
		605	=item $value = cf::db_get $family => $key
		606
		607	Returns a single value from the environment database.
		608
		609	=item cf::db_put $family => $key => $value
		610
		611	Stores the given C<$value> in the family. It can currently store binary
		612	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		613
		614	=item $db = cf::db_table "name"
		615
		616	Create and/or open a new database table. The string must not be "db" and must be unique
		617	within each server.
		618
		619	=cut
		620
		621	sub db_table($) {
		622	my ($name) = @_;
		623	my $db = BDB::db_create $DB_ENV;
		624
		625	eval {
		626	$db->set_flags (BDB::CHKSUM);
		627
		628	utf8::encode $name;
		629	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		630	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		631	cf::cleanup "db_open(db): $!" if $!;
		632	};
		633	cf::cleanup "db_open(db): $@" if $@;
		634
		635	$db
		636	}
		637
		638	our $DB;
		639
		640	sub db_init {
		641	cf::sync_job {
		642	$DB ||= db_table "db";
		643	};
		644	}
		645
		646	sub db_get($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
375	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		658	BDB::dbreq_pri 4;
		659	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		660	}
		661
		662	=item cf::cache $id => [$paths...], $processversion => $process
		663
		664	Generic caching function that returns the value of the resource $id,
		665	caching and regenerating as required.
		666
		667	This function can block.
		668
		669	=cut
		670
		671	sub cache {
		672	my ($id, $src, $processversion, $process) = @_;
		673
		674	my $meta =
		675	join "\x00",
		676	$processversion,
		677	map {
		678	aio_stat $_
		679	and Carp::croak "$_: $!";
		680
		681	($_, (stat _)[7,9])
		682	} @$src;
		683
		684	my $dbmeta = db_get cache => "$id/meta";
		685	if ($dbmeta ne $meta) {
		686	# changed, we may need to process
		687
		688	my @data;
		689	my $md5;
		690
		691	for (0 .. $#$src) {
		692	0 <= aio_load $src->[$_], $data[$_]
		693	or Carp::croak "$src->[$_]: $!";
		694	}
		695
		696	# if processing is expensive, check
		697	# checksum first
		698	if (1) {
		699	$md5 =
		700	join "\x00",
		701	$processversion,
		702	map {
		703	cf::cede_to_tick;
		704	($src->[$_], Digest::MD5::md5_hex $data[$_])
		705	} 0.. $#$src;
		706
		707
		708	my $dbmd5 = db_get cache => "$id/md5";
		709	if ($dbmd5 eq $md5) {
		710	db_put cache => "$id/meta", $meta;
		711
		712	return db_get cache => "$id/data";
		713	}
		714	}
		715
		716	my $t1 = Time::HiRes::time;
		717	my $data = $process->(\@data);
		718	my $t2 = Time::HiRes::time;
		719
		720	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		721
		722	db_put cache => "$id/data", $data;
		723	db_put cache => "$id/md5" , $md5;
		724	db_put cache => "$id/meta", $meta;
		725
		726	return $data;
		727	}
		728
		729	db_get cache => "$id/data"
		730	}
		731
		732	=item cf::datalog type => key => value, ...
		733
		734	Log a datalog packet of the given type with the given key-value pairs.
		735
		736	=cut
		737
		738	sub datalog($@) {
		739	my ($type, %kv) = @_;
		740	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
376	}	741	}
377		742
378	=back	743	=back
379		744
380	=cut	745	=cut
381		746
382	#############################################################################	747	#############################################################################
383		748
384	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
385		750
386	Many objects in crossfire are so-called attachable objects. That means you can	751	Many objects in deliantra are so-called attachable objects. That means you can
387	attach callbacks/event handlers (a collection of which is called an "attachment")	752	attach callbacks/event handlers (a collection of which is called an "attachment")
388	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
389		754
390	In the following description, CLASS can be any of C<global>, C<object>	755	In the following description, CLASS can be any of C<global>, C<object>
391	C<player>, C<client> or C<map> (i.e. the attachable objects in	756	C<player>, C<client> or C<map> (i.e. the attachable objects in
392	crossfire+).	757	Deliantra).
393		758
394	=over 4	759	=over 4
395		760
396	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
397		762
…		…
441	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
442		807
443	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
444	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
445		810
446	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
447	that are attached at load/instantiate time, thus the need for a name.	812	that are attached at load/instantiate time, thus the need for a name.
448		813
449	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
450		815
451	=over 4	816	=over 4
…		…
560	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
561		926
562	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
563	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
564	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
565	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
566		931
567	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
568	my $pkg = shift @arg;	933	my $pkg = shift @arg;
569		934
570	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
599	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
600	}	965	}
601		966
602	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
603	} else {	968	} else {
604	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
605	}	970	}
606		971
607	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
608	}	973	}
609		974
…		…
611	if (ref $_[0]) {	976	if (ref $_[0]) {
612	_object_attach @_;	977	_object_attach @_;
613	} else {	978	} else {
614	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
615	}	980	}
		981	_recalc_want;
616	};	982	};
617		983
618	# all those should be optimised	984	# all those should be optimised
619	sub cf::attachable::detach {	985	sub cf::attachable::detach {
620	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
623	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
624	reattach ($obj);	990	reattach ($obj);
625	} else {	991	} else {
626	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
627	}	993	}
		994	_recalc_want;
628	};	995	};
629		996
630	sub cf::attachable::attached {	997	sub cf::attachable::attached {
631	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
632		999
…		…
647	";	1014	";
648	die if $@;	1015	die if $@;
649	}	1016	}
650		1017
651	our $override;	1018	our $override;
652	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1019	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
653		1020
654	sub override {	1021	sub override {
655	$override = 1;	1022	$override = 1;
656	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
657	}	1024	}
658		1025
659	sub do_invoke {	1026	sub do_invoke {
660	my $event = shift;	1027	my $event = shift;
661	my $callbacks = shift;	1028	my $callbacks = shift;
662		1029
663	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
664		1031
665	local $override;	1032	local $override;
666		1033
667	for (@$callbacks) {	1034	for (@$callbacks) {
668	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
677	}	1044	}
678		1045
679	0	1046	0
680	}	1047	}
681		1048
682	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
683		1050
684	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
685		1052
686	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
687		1054
688	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1055	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
689	removed in future versions), and there is no public API to access override	1056	removed in future versions), and there is no public API to access override
690	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
691		1058
692	=back	1059	=back
693		1060
694	=cut	1061	=cut
695		1062
696	#############################################################################	1063	#############################################################################
697	# object support	1064	# object support
		1065
		1066	sub _object_equal($$);
		1067	sub _object_equal($$) {
		1068	my ($a, $b) = @_;
		1069
		1070	return 0 unless (ref $a) eq (ref $b);
		1071
		1072	if ("HASH" eq ref $a) {
		1073	my @ka = keys %$a;
		1074	my @kb = keys %$b;
		1075
		1076	return 0 if @ka != @kb;
		1077
		1078	for (0 .. $#ka) {
		1079	return 0 unless $ka[$_] eq $kb[$_];
		1080	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1081	}
		1082
		1083	} elsif ("ARRAY" eq ref $a) {
		1084
		1085	return 0 if @$a != @$b;
		1086
		1087	for (0 .. $#$a) {
		1088	return 0 unless _object_equal $a->[$_], $b->[$_];
		1089	}
		1090
		1091	} elsif ($a ne $b) {
		1092	return 0;
		1093	}
		1094
		1095	1
		1096	}
		1097
		1098	our $SLOW_MERGES;#d#
		1099	sub _can_merge {
		1100	my ($ob1, $ob2) = @_;
		1101
		1102	++$SLOW_MERGES;#d#
		1103
		1104	# we do the slow way here
		1105	return _object_equal $ob1, $ob2
		1106	}
698		1107
699	sub reattach {	1108	sub reattach {
700	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
701	my ($obj) = @_;	1110	my ($obj) = @_;
702		1111
		1112	# no longer needed after getting rid of delete_package?
703	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1113	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
704		1114
705	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
706		1116
707	@$registry = ();	1117	@$registry = ();
708		1118
…		…
723	cf::attachable->attach (	1133	cf::attachable->attach (
724	prio => -1000000,	1134	prio => -1000000,
725	on_instantiate => sub {	1135	on_instantiate => sub {
726	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
727		1137
728	$data = from_json $data;	1138	$data = decode_json $data;
729		1139
730	for (@$data) {	1140	for (@$data) {
731	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
732		1142
733	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
749	sub object_freezer_save {	1159	sub object_freezer_save {
750	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
751		1161
752	sync_job {	1162	sync_job {
753	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
754	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
755	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
756		1167
757	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
758	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
759	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
760	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1172	aio_close $fh;
762		1173
763	if (@$objs) {	1174	if (@$objs) {
764	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1175	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
765	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
766	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
767	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1180	aio_close $fh;
770	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
771	}	1182	}
772	} else {	1183	} else {
773	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
774	}	1185	}
…		…
779	}	1190	}
780	} else {	1191	} else {
781	aio_unlink $filename;	1192	aio_unlink $filename;
782	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
783	}	1194	}
784	}	1195	};
785	}	1196	}
786		1197
787	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
788	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
789		1200
…		…
801	or return;	1212	or return;
802		1213
803	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
804	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
805	or return;	1216	or return;
		1217
806	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
807	}	1220	}
808		1221
		1222	utf8::decode (my $decname = $filename);
809	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
810	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
811	return ($data, $av);	1226	($data, $av)
812	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
813		1234
814	#############################################################################	1235	#############################################################################
815	# command handling &c	1236	# command handling &c
816		1237
817	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
830	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
831	}	1252	}
832		1253
833	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
834		1255
835	Register a callbackf ro execution when the client sends an extcmd packet.	1256	Register a callback for execution when the client sends an (synchronous)
		1257	extcmd packet. Ext commands will be processed in the order they are
		1258	received by the server, like other user commands. The first argument is
		1259	the logged-in player. Ext commands can only be processed after a player
		1260	has logged in successfully.
836		1261
837	If the callback returns something, it is sent back as if reply was being	1262	If the callback returns something, it is sent back as if reply was being
838	called.	1263	called.
839		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
840	=cut	1276	=cut
841		1277
842	sub register_extcmd {	1278	sub register_extcmd {
843	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
844		1280
845	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
846	}	1288	}
847		1289
848	cf::player->attach (	1290	cf::player->attach (
849	on_command => sub {	1291	on_command => sub {
850	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
859	cf::override;	1301	cf::override;
860	},	1302	},
861	on_extcmd => sub {	1303	on_extcmd => sub {
862	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
863		1305
864	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
865		1307
866	if (ref $msg) {	1308	if (ref $msg) {
		1309	my ($type, $reply, @payload) =
		1310	"ARRAY" eq ref $msg
		1311	? @$msg
		1312	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1313
		1314	my @reply;
		1315
867	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
868	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
869	$pl->ext_reply ($msg->{msgid}, %reply);
870	}
871	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
872	} else {	1323	} else {
873	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
874	}	1325	}
875		1326
876	cf::override;	1327	cf::override;
877	},	1328	},
878	);	1329	);
879		1330
880	sub load_extension {
881	my ($path) = @_;
882
883	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
884	my $base = $1;
885	my $pkg = $1;
886	$pkg =~ s/[^[:word:]]/_/g;
887	$pkg = "ext::$pkg";
888
889	warn "... loading '$path' into '$pkg'\n";
890
891	open my $fh, "<:utf8", $path
892	or die "$path: $!";
893
894	my $source =
895	"package $pkg; use strict; use utf8;\n"
896	. "#line 1 \"$path\"\n{\n"
897	. (do { local $/; <$fh> })
898	. "\n};\n1";
899
900	unless (eval $source) {
901	my $msg = $@ ? "$path: $@\n"
902	: "extension disabled.\n";
903	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
904	warn $@;
905	warn "mandatory extension failed to load, exiting.\n";
906	exit 1;
907	}
908	die $@;
909	}
910
911	push @EXTS, $pkg;
912	}
913
914	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
915	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
916	next unless -r $ext;	1336	next unless -r $path;
917	eval {	1337
918	load_extension $ext;	1338	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1339	my $base = $1;
		1340	my $pkg = $1;
		1341	$pkg =~ s/[^[:word:]]/_/g;
		1342	$pkg = "ext::$pkg";
		1343
		1344	open my $fh, "<:utf8", $path
		1345	or die "$path: $!";
		1346
		1347	my $source = do { local $/; <$fh> };
		1348
		1349	my %ext = (
		1350	path => $path,
		1351	base => $base,
		1352	pkg => $pkg,
		1353	);
		1354
		1355	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1356	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1357
		1358	$ext{source} =
		1359	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1360	. "#line 1 \"$path\"\n{\n"
		1361	. $source
		1362	. "\n};\n1";
		1363
		1364	$todo{$base} = \%ext;
		1365	}
		1366
		1367	my %done;
		1368	while (%todo) {
		1369	my $progress;
		1370
		1371	while (my ($k, $v) = each %todo) {
		1372	for (split /,\s*/, $v->{meta}{depends}) {
		1373	goto skip
		1374	unless exists $done{$_};
		1375	}
		1376
		1377	warn "... loading '$k' into '$v->{pkg}'\n";
		1378
		1379	unless (eval $v->{source}) {
		1380	my $msg = $@ ? "$v->{path}: $@\n"
		1381	: "$v->{base}: extension inactive.\n";
		1382
		1383	if (exists $v->{meta}{mandatory}) {
		1384	warn $msg;
		1385	cf::cleanup "mandatory extension failed to load, exiting.";
		1386	}
		1387
		1388	warn $msg;
		1389	}
		1390
		1391	$done{$k} = delete $todo{$k};
		1392	push @EXTS, $v->{pkg};
		1393	$progress = 1;
919	1	1394	}
920	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
921	}	1400	};
922	}	1401	}
923		1402
924	#############################################################################	1403	#############################################################################
925		1404
		1405	=back
		1406
926	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
927		1408
928	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
929		1410
930	=cut	1411	=cut
931		1412
932	package cf::player;	1413	package cf::player;
933		1414
…		…
935		1416
936	=head3 cf::player	1417	=head3 cf::player
937		1418
938	=over 4	1419	=over 4
939		1420
		1421	=item cf::player::num_playing
		1422
		1423	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1424
		1425	=cut
		1426
		1427	sub num_playing {
		1428	scalar grep
		1429	$_->ob->map
		1430	&& !$_->hidden
		1431	&& !$_->ob->flag (cf::FLAG_WIZ),
		1432	cf::player::list
		1433	}
		1434
940	=item cf::player::find $login	1435	=item cf::player::find $login
941		1436
942	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
943		1438
944	=cut	1439	=cut
945		1440
946	sub playerdir($) {	1441	sub playerdir($) {
947	cf::localdir	1442	"$PLAYERDIR/"
948	. "/"
949	. cf::playerdir
950	. "/"
951	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
952	}	1444	}
953		1445
954	sub path($) {	1446	sub path($) {
955	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
956		1448
957	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
958	}	1450	}
959		1451
960	sub find_active($) {	1452	sub find_active($) {
961	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
962	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
975	my $login = $_[0];	1467	my $login = $_[0];
976		1468
977	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
978		1470
979	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
980	my $pl = load_pl path $login	1472	# rename old playerfiles to new ones
		1473	#TODO: remove when no longer required
		1474	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1475	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1476	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1477	aio_unlink +(playerdir $login) . "/$login.pl";
		1478
		1479	my $f = new_from_file cf::object::thawer path $login
981	or return;	1480	or return;
		1481
		1482	my $pl = cf::player::load_pl $f
		1483	or return;
		1484
		1485	local $cf::PLAYER_LOADING{$login} = $pl;
		1486	$f->resolve_delayed_derefs;
982	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
983	}	1488	}
984	}	1489	}
985	}	1490	}
986		1491
…		…
995	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
996		1501
997	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
998	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
999		1504
		1505	cf::get_slot 0.01;
		1506
1000	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1001	Coro::cede;	1508	cf::cede_to_tick;
1002	}	1509	}
1003		1510
1004	sub new($) {	1511	sub new($) {
1005	my ($login) = @_;	1512	my ($login) = @_;
1006		1513
…		…
1012	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1013		1520
1014	$self	1521	$self
1015	}	1522	}
1016		1523
		1524	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1525
		1526	=cut
		1527
		1528	sub send_msg {
		1529	my $ns = shift->ns
		1530	or return;
		1531	$ns->send_msg (@_);
		1532	}
		1533
1017	=item $pl->quit_character	1534	=item $pl->quit_character
1018		1535
1019	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1020	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1021		1538
…		…
1025	my ($pl) = @_;	1542	my ($pl) = @_;
1026		1543
1027	my $name = $pl->ob->name;	1544	my $name = $pl->ob->name;
1028		1545
1029	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1030	$pl->password ("*"); # this should lock out the player until we nuked the dir	1547	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1031		1548
1032	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1033	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1034	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1035	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1036		1555
1037	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1038	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1068	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1069		1588
1070	=cut	1589	=cut
1071		1590
1072	sub list_logins {	1591	sub list_logins {
1073	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1074	or return [];	1593	or return [];
1075		1594
1076	my @logins;	1595	my @logins;
1077		1596
1078	for my $login (@$dirs) {	1597	for my $login (@$dirs) {
		1598	my $path = path $login;
		1599
		1600	# a .pst is a dead give-away for a valid player
		1601	# if no pst file found, open and chekc for blocked users
		1602	if (aio_stat "$path.pst") {
1079	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1080	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1081	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1082		1607
1083	utf8::decode $login;	1608	utf8::decode $login;
1084	push @logins, $login;	1609	push @logins, $login;
1085	}	1610	}
1086		1611
…		…
1113	}	1638	}
1114		1639
1115	\@paths	1640	\@paths
1116	}	1641	}
1117		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1118	=item $player->ext_reply ($msgid, $msgtype, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1119		1648
1120	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1121		1650
1122	=cut	1651	=cut
1123		1652
1124	sub ext_reply($$$%) {	1653	sub ext_reply($$@) {
1125	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1126		1655
1127	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1128
1129	$self->send ("ext " . cf::to_json \%msg);
1130	}	1657	}
1131		1658
1132	package cf;	1659	=item $player->ext_msg ($type, @msg)
		1660
		1661	Sends an ext event to the client.
		1662
		1663	=cut
		1664
		1665	sub ext_msg($$@) {
		1666	my ($self, $type, @msg) = @_;
		1667
		1668	$self->ns->ext_msg ($type, @msg);
		1669	}
		1670
		1671	=head3 cf::region
		1672
		1673	=over 4
		1674
		1675	=cut
		1676
		1677	package cf::region;
		1678
		1679	=item cf::region::find_by_path $path
		1680
		1681	Tries to decuce the likely region for a map knowing only its path.
		1682
		1683	=cut
		1684
		1685	sub find_by_path($) {
		1686	my ($path) = @_;
		1687
		1688	my ($match, $specificity);
		1689
		1690	for my $region (list) {
		1691	if ($region->{match} && $path =~ $region->{match}) {
		1692	($match, $specificity) = ($region, $region->specificity)
		1693	if $region->specificity > $specificity;
		1694	}
		1695	}
		1696
		1697	$match
		1698	}
1133		1699
1134	=back	1700	=back
1135
1136		1701
1137	=head3 cf::map	1702	=head3 cf::map
1138		1703
1139	=over 4	1704	=over 4
1140		1705
…		…
1152	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1153	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1154		1719
1155	sub generate_random_map {	1720	sub generate_random_map {
1156	my ($self, $rmp) = @_;	1721	my ($self, $rmp) = @_;
		1722
		1723	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1724
1157	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1158	$self->_create_random_map (	1726	$self->_create_random_map (
1159	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1160	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1161	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1195	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1196		1764
1197	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1198	local $self->{path};	1766	local $self->{path};
1199	local $self->{load_path};	1767	local $self->{load_path};
1200	local $self->{deny_save};
1201	local $self->{deny_reset};
1202		1768
1203	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1204	}	1770	}
1205		1771
1206	sub normalise {	1772	sub normalise {
…		…
1253	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1254	return $self;	1820	return $self;
1255	}	1821	}
1256	}	1822	}
1257		1823
1258	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1259	()	1825	()
1260	}	1826	}
1261		1827
1262	sub init {	1828	sub init {
1263	my ($self) = @_;	1829	my ($self) = @_;
…		…
1278		1844
1279	# the original (read-only) location	1845	# the original (read-only) location
1280	sub load_path {	1846	sub load_path {
1281	my ($self) = @_;	1847	my ($self) = @_;
1282		1848
1283	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1284	}	1850	}
1285		1851
1286	# the temporary/swap location	1852	# the temporary/swap location
1287	sub save_path {	1853	sub save_path {
1288	my ($self) = @_;	1854	my ($self) = @_;
1289		1855
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1292	}	1858	}
1293		1859
1294	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1295	sub uniq_path {	1861	sub uniq_path {
1296	my ($self) = @_;	1862	my ($self) = @_;
1297		1863
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1300	}	1866	}
1301		1867
1302	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1303	# all maps in C++...	1869	# all maps in C++...
1304	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1306		1872
1307	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1308	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1309	}	1875	}
1310		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1311	sub unlink_save {	1885	sub unlink_save {
1312	my ($self) = @_;	1886	my ($self) = @_;
1313		1887
1314	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1318		1892
1319	sub load_header_from($) {	1893	sub load_header_from($) {
1320	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1321		1895
1322	utf8::encode $path;	1896	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1898	or return;
		1899
		1900	$self->_load_header ($f)
		1901	or return;
		1902
		1903	local $MAP_LOADING{$self->{path}} = $self;
		1904	$f->resolve_delayed_derefs;
1328		1905
1329	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1330		1907
1331	1	1908	1
1332	}	1909	}
…		…
1371	$self->load_header_orig	1948	$self->load_header_orig
1372	or return;	1949	or return;
1373	$self->prepare_orig;	1950	$self->prepare_orig;
1374	}	1951	}
1375		1952
		1953	$self->{deny_reset} = 1
		1954	if $self->no_reset;
		1955
		1956	$self->default_region (cf::region::find_by_path $self->{path})
		1957	unless $self->default_region;
		1958
1376	1	1959	1
1377	}	1960	}
1378		1961
1379	sub find;	1962	sub find;
1380	sub find {	1963	sub find {
1381	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1382		1965
1383	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1384		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1386		1970
1387	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1389	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1390	or return;	1976	or return;
1391		1977
1392	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1393		1979
1394	$map->load_header	1980	$map->load_header
1395	or return;	1981	or return;
1396		1982
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1400	$map->reset;	1988	$map->reset;
1401	undef $guard;
1402	return find $path;	1989	return find $path;
1403	}	1990	}
1404		1991
1405	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1406	}	1993	}
…		…
1413	my ($self) = @_;	2000	my ($self) = @_;
1414		2001
1415	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1416		2003
1417	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1419		2008
		2009	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2011
1422	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1423		2013
1424	$self->alloc;	2014	$self->alloc;
1425		2015
1426	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1427		2018
1428	$self->_load_objects ($self->{load_path}, 1)	2019	my $f = new_from_file cf::object::thawer $self->{load_path};
		2020	$f->skip_block;
		2021	$self->_load_objects ($f)
1429	or return;	2022	or return;
1430		2023
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1432	if delete $self->{load_original};	2025	if delete $self->{load_original};
1433		2026
1434	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2028	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2031	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1439	}	2035	}
1440	}	2036	}
1441		2037
1442	Coro::cede;	2038	$f->resolve_delayed_derefs;
1443		2039
		2040	cf::cede_to_tick;
1444	# now do the right thing for maps	2041	# now do the right thing for maps
1445	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2044	unless $self->difficulty;
1455	Coro::cede;	2045	cf::cede_to_tick;
		2046
		2047	unless ($self->{deny_activate}) {
		2048	$self->decay_objects;
		2049	$self->fix_auto_apply;
		2050	$self->update_buttons;
		2051	cf::cede_to_tick;
		2052	$self->set_darkness_map;
		2053	cf::cede_to_tick;
1456	$self->activate;	2054	$self->activate;
		2055	}
		2056
		2057	$self->{last_save} = $cf::RUNTIME;
		2058	$self->last_access ($cf::RUNTIME);
		2059
		2060	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2061	}
1458		2062
1459	$self->post_load;	2063	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2064	}
1463		2065
1464	sub customise_for {	2066	sub customise_for {
1465	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1466		2068
1467	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2070	if $self->per_player;
1469		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1470	$self	2075	$self
1471	}	2076	}
1472		2077
1473	# find and load all maps in the 3x3 area around a map	2078	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2079	sub load_neighbours {
1475	my ($map) = @_;	2080	my ($map) = @_;
1476		2081
1477	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1478		2083
1479	for (0 .. 3) {	2084	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1481	or next;	2086	or next;
1482	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1483	or next;	2088	or next;
1484	$neigh->load;	2089	$neigh->load;
1485		2090
		2091	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2094	}
1489		2095
1490	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1492	or next;	2099	or next;
1493	$neigh->load;	2100	$neigh->load;
1494	}	2101	}
1495	}	2102	}
1496		2103
…		…
1501	}	2108	}
1502		2109
1503	sub do_load_sync {	2110	sub do_load_sync {
1504	my ($map) = @_;	2111	my ($map) = @_;
1505		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1506	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1507	}	2117	}
1508		2118
1509	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1511		2121
1512	sub find_async {	2122	sub find_async {
1513	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1514		2124
1515	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1516		2126
1517	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2129	}
1520		2130
1521	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1522	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1523	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2138	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2139	$map->load if $v;
		2140	}
1528		2141
1529	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1530	}	2143	}
1531	}	2144	}
1532	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1533	};	2146	};
1534	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2150	}
1538		2151
1539	sub save {	2152	sub save {
1540	my ($self) = @_;	2153	my ($self) = @_;
1541		2154
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2156
1544	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1545		2158
1546	return unless $self->dirty;	2159	return unless $self->dirty;
1547		2160
…		…
1553	return if $self->{deny_save};	2166	return if $self->{deny_save};
1554		2167
1555	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1556		2169
1557	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1559	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1560		2176
1561	if ($uniq) {	2177	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2180	} else {
…		…
1570	my ($self) = @_;	2186	my ($self) = @_;
1571		2187
1572	# save first because save cedes	2188	# save first because save cedes
1573	$self->save;	2189	$self->save;
1574		2190
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2192
1577	return if $self->players;	2193	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2195	return if $self->{deny_save};
1580		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2201	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2202	}
1584		2203
1585	sub reset_at {	2204	sub reset_at {
1586	my ($self) = @_;	2205	my ($self) = @_;
1587		2206
1588	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1591		2209
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2211	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2212
…		…
1605	my ($self) = @_;	2223	my ($self) = @_;
1606		2224
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2226
1609	return if $self->players;	2227	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2228
1612	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
1613		2230
1614	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->in_memory (cf::MAP_SWAPPED);
1615		2232
1616	# need to save uniques path	2233	# need to save uniques path
1617	unless ($self->{deny_save}) {	2234	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2238	if $uniq;
1622	}	2239	}
1623		2240
1624	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1625		2242
		2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2245	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2246
1630	$self->unlink_save;	2247	$self->unlink_save;
1631	$self->destroy;	2248	$self->destroy;
1632	}	2249	}
1633		2250
1634	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1635		2252
1636	sub nuke {	2253	sub nuke {
1637	my ($self) = @_;	2254	my ($self) = @_;
1638		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1639	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1640		2260
1641	$self->unlink_save;	2261	$self->unlink_save;
1642		2262
1643	bless $self, "cf::map";	2263	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2268
1649	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1650		2271
1651	$self->reset; # polite request, might not happen	2272	$self->reset; # polite request, might not happen
		2273	}
		2274
		2275	=item $maps = cf::map::tmp_maps
		2276
		2277	Returns an arrayref with all map paths of currently instantiated and saved
		2278	maps. May block.
		2279
		2280	=cut
		2281
		2282	sub tmp_maps() {
		2283	[
		2284	map {
		2285	utf8::decode $_;
		2286	/\.map$/
		2287	? normalise $_
		2288	: ()
		2289	} @{ aio_readdir $TMPDIR or [] }
		2290	]
		2291	}
		2292
		2293	=item $maps = cf::map::random_maps
		2294
		2295	Returns an arrayref with all map paths of currently instantiated and saved
		2296	random maps. May block.
		2297
		2298	=cut
		2299
		2300	sub random_maps() {
		2301	[
		2302	map {
		2303	utf8::decode $_;
		2304	/\.map$/
		2305	? normalise "?random/$_"
		2306	: ()
		2307	} @{ aio_readdir $RANDOMDIR or [] }
		2308	]
1652	}	2309	}
1653		2310
1654	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1655		2312
1656	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2314	instantiated unique items. May block.
1658		2315
1659	=cut	2316	=cut
1660		2317
1661	sub unique_maps() {	2318	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1663	or return;	2320	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2321	utf8::decode $_;
1669	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2324	? ()
1672	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2327	]
1674
1675	\@paths
1676	}	2328	}
1677
1678	package cf;
1679		2329
1680	=back	2330	=back
1681		2331
1682	=head3 cf::object	2332	=head3 cf::object
1683		2333
…		…
1687		2337
1688	=over 4	2338	=over 4
1689		2339
1690	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1691		2341
1692	Returns the inventory of the object _and_ their inventories, recursively.	2342	Returns the inventory of the object I<and> their inventories, recursively,
		2343	but I<not> the object itself.
1693		2344
1694	=cut	2345	=cut
1695		2346
1696	sub inv_recursive_;	2347	sub inv_recursive_;
1697	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1700		2351
1701	sub inv_recursive {	2352	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1703	}	2354	}
1704		2355
		2356	=item $ref = $ob->ref
		2357
		2358	Creates and returns a persistent reference to an object that can be stored as a string.
		2359
		2360	=item $ob = cf::object::deref ($refstring)
		2361
		2362	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2363	even if the object actually exists. May block.
		2364
		2365	=cut
		2366
		2367	sub deref {
		2368	my ($ref) = @_;
		2369
		2370	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2371	my ($uuid, $name) = ($1, $2);
		2372	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2373	or return;
		2374	$pl->ob->uuid eq $uuid
		2375	or return;
		2376
		2377	$pl->ob
		2378	} else {
		2379	warn "$ref: cannot resolve object reference\n";
		2380	undef
		2381	}
		2382	}
		2383
1705	package cf;	2384	package cf;
1706		2385
1707	=back	2386	=back
1708		2387
1709	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2394	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2395	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1718		2397
1719	=cut	2398	=cut
		2399
		2400	our $SAY_CHANNEL = {
		2401	id => "say",
		2402	title => "Map",
		2403	reply => "say ",
		2404	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2405	};
		2406
		2407	our $CHAT_CHANNEL = {
		2408	id => "chat",
		2409	title => "Chat",
		2410	reply => "chat ",
		2411	tooltip => "Player chat and shouts, global to the server.",
		2412	};
1720		2413
1721	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2415	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2416	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1726		2419
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2421
1729	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1731	} else {	2425	} else {
		2426	my $pl = $self->contr;
		2427
		2428	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2429	my $dialog = $pl->{npc_dialog};
		2430	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2431
		2432	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1734	}	2436	}
		2437	}
		2438
		2439	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2440
		2441	=cut
		2442
		2443	sub cf::object::send_msg {
		2444	my $pl = shift->contr
		2445	or return;
		2446	$pl->send_msg (@_);
1735	}	2447	}
1736		2448
1737	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1738		2450
1739	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1752		2464
1753	=item $player_object->enter_link	2465	=item $player_object->enter_link
1754		2466
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2467	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2468
1757	The player should be reasonably safe there for short amounts of time. You	2469	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2470	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2471	though, as the palyer cannot control the character while it is on the link
		2472	map.
1759		2473
1760	Will never block.	2474	Will never block.
1761		2475
1762	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1763		2477
…		…
1786	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1787		2501
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2503
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1792		2506
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2508	}
1795		2509
1796	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1798		2514
1799	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1800		2516
1801	unless ($map) {	2517	unless ($map) {
1802	# restore original map position	2518	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1819		2535
1820	$map->load;	2536	$map->load;
1821	$map->load_diag;	2537	$map->load_neighbours;
1822		2538
1823	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2541	$self->activate_recursive;
1825		2542
1826	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1828	}	2545	}
1829		2546
1830	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1831	on_logout => sub {
1832	my ($pl) = @_;
1833		2548
1834	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1835	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1836	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1837	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1838	};	2553	be called at the end of this process.
1839	}
1840	},
1841	on_login => sub {
1842	my ($pl) = @_;
1843		2554
1844	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1845	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1846	if ($pl->ob->{_link_pos}) {
1847	$pl->ob->enter_link;
1848	(async {
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	# we need this sleep as the login has a concurrent enter_exit running
1854	# and this sleep increases chances of the player not ending up in scorn
1855	Coro::Timer::sleep 1;
1856	$pl->ob->leave_link;
1857	})->prio (2);
1858	}
1859	},
1860	);
1861		2557
1862	=item $player_object->goto ($path, $x, $y)
1863
1864	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1865		2561
1866	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1867	my ($self, $path, $x, $y) = @_;	2563	my ($self, $path, $x, $y, $check, $done) = @_;
		2564
		2565	# do generation counting so two concurrent goto's will be executed in-order
		2566	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1868		2567
1869	$self->enter_link;	2568	$self->enter_link;
1870		2569
1871	(async {	2570	(async {
		2571	$Coro::current->{desc} = "player::goto $path $x $y";
		2572
		2573	# *tag paths override both path and x|y
		2574	if ($path =~ /^\*(.*)$/) {
		2575	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2576	my $ob = $obs[rand @obs];
		2577
		2578	# see if we actually can go there
		2579	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2580	$ob = $obs[rand @obs];
		2581	} else {
		2582	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584	# else put us there anyways for now #d#
		2585
		2586	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2587	} else {
		2588	($path, $x, $y) = (undef, undef, undef);
		2589	}
		2590	}
		2591
1872	my $map = eval {	2592	my $map = eval {
1873	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1874	$map = $map->customise_for ($self) if $map;	2596	$map = $map->customise_for ($self);
		2597	$map = $check->($map) if $check && $map;
		2598	} else {
		2599	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2600	}
		2601
1875	$map	2602	$map
		2603	};
		2604
		2605	if ($@) {
		2606	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	LOG llevError | logBacktrace, Carp::longmess $@;
1876	} or	2608	}
1877	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1878		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1879	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1880	})->prio (1);	2616	})->prio (1);
1881	}	2617	}
1882		2618
1883	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1884		2620
…		…
1904	}	2640	}
1905		2641
1906	sub prepare_random_map {	2642	sub prepare_random_map {
1907	my ($exit) = @_;	2643	my ($exit) = @_;
1908		2644
1909	my $guard = cf::lock_acquire "exit_prepare:$exit";
1910
1911	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1912	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1913	# that depends on the exit object	2647	# that depends on the exit object
1914		2648
1915	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1917	if ($exit->map) {	2651	if ($exit->map) {
1918	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1919	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1920	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1921	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1922	}	2658	}
1923		2659
1924	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1925		2661
1926	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1927	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1928	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1929		2665
1930	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1931	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1932	undef $fh;	2668	undef $fh;
1933	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1934		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1935	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1936	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1937	}	2677	}
1938	}	2678	}
1939		2679
1940	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1941	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1942		2682
1943	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1944		2684
1945	if ($exit->slaying eq "/!") {
1946	#TODO: this should de-fi-ni-te-ly not be a sync-job
1947	cf::sync_job { prepare_random_map $exit };
1948	}
1949
1950	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1951	my $hp = $exit->stats->hp;
1952	my $sp = $exit->stats->sp;
1953
1954	$self->enter_link;	2685	$self->enter_link;
1955		2686
1956	(async {	2687	(async {
1957	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1958	unless (eval {	2690	unless (eval {
		2691	$self->deactivate_recursive; # just to be sure
		2692
		2693	# random map handling
		2694	{
		2695	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2696
		2697	prepare_random_map $exit
		2698	if $exit->slaying eq "/!";
		2699	}
		2700
		2701	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2702	my $x = $exit->stats->hp;
		2703	my $y = $exit->stats->sp;
		2704
1959	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1960		2706
		2707	# if exit is damned, update players death & WoR home-position
		2708	$self->contr->savebed ($map, $x, $y)
		2709	if $exit->flag (cf::FLAG_DAMNED);
		2710
1961	1;	2711	1
1962	}) {	2712	}) {
1963	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1964	. "I'll try to bring you back to the map you were before. "	2714	. "I'll try to bring you back to the map you were before. "
1965	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1966	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1967		2717
1968	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1969	$self->leave_link;	2719	$self->leave_link;
1970	}	2720	}
1971	})->prio (1);	2721	})->prio (1);
…		…
1987		2737
1988	utf8::encode $text;	2738	utf8::encode $text;
1989	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990	}	2740	}
1991		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	"c/party" => {
		2802	id => "party",
		2803	title => "Party",
		2804	reply => "gsay ",
		2805	tooltip => "Messages and chat related to your party",
		2806	},
		2807	);
		2808
		2809	sub cf::client::send_msg {
		2810	my ($self, $channel, $msg, $color, @extra) = @_;
		2811
		2812	$msg = $self->pl->expand_cfpod ($msg)
		2813	unless $color & cf::NDI_VERBATIM;
		2814
		2815	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2816
		2817	# check predefined channels, for the benefit of C
		2818	if ($CHANNEL{$channel}) {
		2819	$channel = $CHANNEL{$channel};
		2820
		2821	$self->ext_msg (channel_info => $channel)
		2822	if $self->can_msg;
		2823
		2824	$channel = $channel->{id};
		2825
		2826	} elsif (ref $channel) {
		2827	# send meta info to client, if not yet sent
		2828	unless (exists $self->{channel}{$channel->{id}}) {
		2829	$self->{channel}{$channel->{id}} = $channel;
		2830	$self->ext_msg (channel_info => $channel)
		2831	if $self->can_msg;
		2832	}
		2833
		2834	$channel = $channel->{id};
		2835	}
		2836
		2837	return unless @extra || length $msg;
		2838
		2839	if ($self->can_msg) {
		2840	# default colour, mask it out
		2841	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2842	if $color & cf::NDI_DEF;
		2843
		2844	my $pkt = "msg "
		2845	. $self->{json_coder}->encode (
		2846	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2847	);
		2848
		2849	# try lzf for large packets
		2850	$pkt = "lzf " . Compress::LZF::compress $pkt
		2851	if 1024 <= length $pkt and $self->{can_lzf};
		2852
		2853	# split very large packets
		2854	if (8192 < length $pkt and $self->{can_lzf}) {
		2855	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2856	$pkt = "frag";
		2857	}
		2858
		2859	$self->send_packet ($pkt);
		2860	} else {
		2861	if ($color >= 0) {
		2862	# replace some tags by gcfclient-compatible ones
		2863	for ($msg) {
		2864	1 while
		2865	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2866	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2867	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2868	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2869	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2870	}
		2871
		2872	$color &= cf::NDI_COLOR_MASK;
		2873
		2874	utf8::encode $msg;
		2875
		2876	if (0 && $msg =~ /\[/) {
		2877	# COMMAND/INFO
		2878	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2879	} else {
		2880	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2881	$self->send_packet ("drawinfo $color $msg")
		2882	}
		2883	}
		2884	}
		2885	}
		2886
		2887	=item $client->ext_msg ($type, @msg)
		2888
		2889	Sends an ext event to the client.
		2890
		2891	=cut
		2892
		2893	sub cf::client::ext_msg($$@) {
		2894	my ($self, $type, @msg) = @_;
		2895
		2896	if ($self->extcmd == 2) {
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2898	} elsif ($self->extcmd == 1) { # TODO: remove
		2899	push @msg, msgtype => "event_$type";
		2900	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2901	}
		2902	}
		2903
		2904	=item $client->ext_reply ($msgid, @msg)
		2905
		2906	Sends an ext reply to the client.
		2907
		2908	=cut
		2909
		2910	sub cf::client::ext_reply($$@) {
		2911	my ($self, $id, @msg) = @_;
		2912
		2913	if ($self->extcmd == 2) {
		2914	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2915	} elsif ($self->extcmd == 1) {
		2916	#TODO: version 1, remove
		2917	unshift @msg, msgtype => "reply", msgid => $id;
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2919	}
		2920	}
1992		2921
1993	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
1994		2923
1995	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
1996	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2925	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1997	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2926	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1998		2927
1999	Queries can fail, so check the return code. Or don't, as queries will become	2928	Queries can fail, so check the return code. Or don't, as queries will
2000	reliable at some point in the future.	2929	become reliable at some point in the future.
2001		2930
2002	=cut	2931	=cut
2003		2932
2004	sub cf::client::query {	2933	sub cf::client::query {
2005	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
2013	utf8::encode $text;	2942	utf8::encode $text;
2014	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2015		2944
2016	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2017	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2018	}	2949	}
2019		2950
2020	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2021	on_reply => sub {	2957	on_reply => sub {
2022	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2023		2959
2024	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2025	# get handled first	2961	# get handled first
…		…
2037	} else {	2973	} else {
2038	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2039	}	2975	}
2040	}	2976	}
2041	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($ns, $buf) = @_;
		2980
		2981	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2982
		2983	if (ref $msg) {
		2984	my ($type, $reply, @payload) =
		2985	"ARRAY" eq ref $msg
		2986	? @$msg
		2987	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2988
		2989	my @reply;
		2990
		2991	if (my $cb = $EXTICMD{$type}) {
		2992	@reply = $cb->($ns, @payload);
		2993	}
		2994
		2995	$ns->ext_reply ($reply, @reply)
		2996	if $reply;
		2997
		2998	} else {
		2999	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3000	}
		3001
		3002	cf::override;
		3003	},
2042	);	3004	);
2043		3005
2044	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2045		3007
2046	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2087	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2088	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2089		3051
2090	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2091		3053
2092	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3054	$safe->permit_only (Opcode::opset qw(
		3055	:base_core :base_mem :base_orig :base_math
		3056	grepstart grepwhile mapstart mapwhile
		3057	sort time
		3058	));
2093		3059
2094	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2095		3061
2096	=pod	3062	=pod
2097		3063
2098	The following fucntions and emthods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2099		3065
2100	cf::object contr pay_amount pay_player map	3066	cf::object
		3067	contr pay_amount pay_player map x y force_find force_add destroy
		3068	insert remove name archname title slaying race decrease split
		3069
2101	cf::object::player player	3070	cf::object::player
2102	cf::player peaceful	3071	player
2103	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2104		3078
2105	=cut	3079	=cut
2106		3080
2107	for (	3081	for (
2108	["cf::object" => qw(contr pay_amount pay_player map)],	3082	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3083	insert remove inv nrof name archname title slaying race
		3084	decrease split destroy change_exp)],
2109	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2110	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2111	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2112	) {	3088	) {
2113	no strict 'refs';	3089	no strict 'refs';
…		…
2184	=back	3160	=back
2185		3161
2186	=cut	3162	=cut
2187		3163
2188	#############################################################################	3164	#############################################################################
2189
2190	=head2 EXTENSION DATABASE SUPPORT
2191
2192	Crossfire maintains a very simple database for extension use. It can
2193	currently store anything that can be serialised using Storable, which
2194	excludes objects.
2195
2196	The parameter C<$family> should best start with the name of the extension
2197	using it, it should be unique.
2198
2199	=over 4
2200
2201	=item $value = cf::db_get $family => $key
2202
2203	Returns a single value from the database.
2204
2205	=item cf::db_put $family => $key => $value
2206
2207	Stores the given C<$value> in the family.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	sub db_init {
2214	unless ($DB) {
2215	$DB = BDB::db_create $DB_ENV;
2216
2217	cf::sync_job {
2218	eval {
2219	$DB->set_flags (BDB::CHKSUM);
2220
2221	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2222	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2223	cf::cleanup "db_open(db): $!" if $!;
2224	};
2225	cf::cleanup "db_open(db): $@" if $@;
2226	};
2227
2228	my $path = cf::localdir . "/database.pst";
2229	if (stat $path) {
2230	cf::sync_job {
2231	my $pst = Storable::retrieve $path;
2232
2233	cf::db_put (board => data => $pst->{board});
2234	cf::db_put (guildrules => data => $pst->{guildrules});
2235	cf::db_put (rent => balance => $pst->{rent}{balance});
2236	BDB::db_env_txn_checkpoint $DB_ENV;
2237
2238	unlink $path;
2239	};
2240	}
2241	}
2242	}
2243
2244	sub db_get($$) {
2245	my $key = "$_[0]/$_[1]";
2246
2247	cf::sync_job {
2248	BDB::db_get $DB, undef, $key, my $data;
2249
2250	$! ? ()
2251	: Compress::LZF::sthaw $data
2252	}
2253	}
2254
2255	sub db_put($$$) {
2256	BDB::dbreq_pri 4;
2257	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2258	}
2259
2260	#############################################################################
2261	# the server's init and main functions	3165	# the server's init and main functions
2262		3166
2263	sub load_faces {	3167	sub load_facedata($) {
2264	my $path = sprintf "%s/faces", cf::datadir;	3168	my ($path) = @_;
2265		3169
		3170	# HACK to clear player env face cache, we need some signal framework
		3171	# for this (global event?)
		3172	%ext::player_env::MUSIC_FACE_CACHE = ();
		3173
		3174	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3175
2266	warn "loading faces from $path\n";	3176	warn "loading facedata from $path\n";
2267		3177
2268	my $faces;	3178	my $facedata;
2269	0 < aio_load $path, $faces	3179	0 < aio_load $path, $facedata
2270	or die "$path: $!";	3180	or die "$path: $!";
2271		3181
2272	Coro::cede;
2273	$faces = Storable::thaw $faces;	3182	$facedata = Coro::Storable::thaw $facedata;
2274	Coro::cede;
2275		3183
2276	my $meta = delete $faces->{""};
2277	$meta->{version} == 1	3184	$facedata->{version} == 2
2278	or cf::cleanup "$path: version mismatch, cannot proceed.";	3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
2279		3186
		3187	# patch in the exptable
		3188	$facedata->{resource}{"res/exp_table"} = {
		3189	type => FT_RSRC,
		3190	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3191	};
		3192	cf::cede_to_tick;
		3193
		3194	{
		3195	my $faces = $facedata->{faceinfo};
		3196
2280	while (my ($face, $info) = each %$faces) {	3197	while (my ($face, $info) = each %$faces) {
2281	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2282	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3199
		3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
2283	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2284	Coro::cede;	3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2285	}
2286		3204
		3205	cf::cede_to_tick;
		3206	}
		3207
2287	while (my ($face, $info) = each %$faces) {	3208	while (my ($face, $info) = each %$faces) {
2288	next unless $info->{smooth};	3209	next unless $info->{smooth};
		3210
2289	my $idx = cf::face::find $face	3211	my $idx = cf::face::find $face
2290	or next;	3212	or next;
		3213
2291	if (my $smooth = cf::face::find $info->{smooth}) {	3214	if (my $smooth = cf::face::find $info->{smooth}) {
2292	cf::face::set_smooth $idx, $smooth;	3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2293	} else {	3217	} else {
2294	warn "smooth face '$info->{smooth}' not found for face '$face'";	3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
2295	}	3219	}
2296	Coro::cede;	3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
2297	}	3225	{
		3226	my $anims = $facedata->{animinfo};
		3227
		3228	while (my ($anim, $info) = each %$anims) {
		3229	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3230	cf::cede_to_tick;
		3231	}
		3232
		3233	cf::anim::invalidate_all; # d'oh
		3234	}
		3235
		3236	{
		3237	# TODO: for gcfclient pleasure, we should give resources
		3238	# that gcfclient doesn't grok a >10000 face index.
		3239	my $res = $facedata->{resource};
		3240
		3241	while (my ($name, $info) = each %$res) {
		3242	if (defined $info->{type}) {
		3243	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3244	my $data;
		3245
		3246	if ($info->{type} & 1) {
		3247	# prepend meta info
		3248
		3249	my $meta = $enc->encode ({
		3250	name => $name,
		3251	%{ $info->{meta} || {} },
		3252	});
		3253
		3254	$data = pack "(w/a*)*", $meta, $info->{data};
		3255	} else {
		3256	$data = $info->{data};
		3257	}
		3258
		3259	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3260	cf::face::set_type $idx, $info->{type};
		3261	} else {
		3262	$RESOURCE{$name} = $info;
		3263	}
		3264
		3265	cf::cede_to_tick;
		3266	}
		3267	}
		3268
		3269	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
2298		3270
2299	1	3271	1
2300	}	3272	}
2301		3273
		3274	cf::global->attach (on_resource_update => sub {
		3275	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3276	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3277
		3278	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3279	my $sound = $soundconf->{compat}[$_]
		3280	or next;
		3281
		3282	my $face = cf::face::find "sound/$sound->[1]";
		3283	cf::sound::set $sound->[0] => $face;
		3284	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3285	}
		3286
		3287	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3288	my $face = cf::face::find "sound/$v";
		3289	cf::sound::set $k => $face;
		3290	}
		3291	}
		3292	});
		3293
		3294	register_exticmd fx_want => sub {
		3295	my ($ns, $want) = @_;
		3296
		3297	while (my ($k, $v) = each %$want) {
		3298	$ns->fx_want ($k, $v);
		3299	}
		3300	};
		3301
		3302	sub load_resource_file($) {
		3303	my $guard = lock_acquire "load_resource_file";
		3304
		3305	my $status = load_resource_file_ $_[0];
		3306	get_slot 0.1, 100;
		3307	cf::arch::commit_load;
		3308
		3309	$status
		3310	}
		3311
		3312	sub reload_regions {
		3313	# HACK to clear player env face cache, we need some signal framework
		3314	# for this (global event?)
		3315	%ext::player_env::MUSIC_FACE_CACHE = ();
		3316
		3317	load_resource_file "$MAPDIR/regions"
		3318	or die "unable to load regions file\n";
		3319
		3320	for (cf::region::list) {
		3321	$_->{match} = qr/$_->{match}/
		3322	if exists $_->{match};
		3323	}
		3324	}
		3325
		3326	sub reload_facedata {
		3327	load_facedata "$DATADIR/facedata"
		3328	or die "unable to load facedata\n";
		3329	}
		3330
		3331	sub reload_archetypes {
		3332	load_resource_file "$DATADIR/archetypes"
		3333	or die "unable to load archetypes\n";
		3334	}
		3335
		3336	sub reload_treasures {
		3337	load_resource_file "$DATADIR/treasures"
		3338	or die "unable to load treasurelists\n";
		3339	}
		3340
2302	sub reload_resources {	3341	sub reload_resources {
2303	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3342	warn "reloading resource files...\n";
2304	or die "unable to load regions file\n";#d#	3343
2305	load_faces	3344	reload_facedata;
2306	or die "unable to load faces\n";#d#	3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
2307	}	3350	}
2308		3351
2309	sub init {	3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
2310	reload_resources;	3357	reload_resources;
2311	}	3358	}
2312		3359
2313	sub cfg_load {	3360	sub reload_config {
2314	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2315	or return;	3362	or return;
2316		3363
2317	local $/;	3364	local $/;
2318	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2319		3366
2320	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2321		3368
2322	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3369	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2323	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3370	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2329	};	3376	};
2330	warn $@ if $@;	3377	warn $@ if $@;
2331	}	3378	}
2332	}	3379	}
2333		3380
		3381	sub pidfile() {
		3382	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3383	or die "$PIDFILE: $!";
		3384	flock $fh, &Fcntl::LOCK_EX
		3385	or die "$PIDFILE: flock: $!";
		3386	$fh
		3387	}
		3388
		3389	# make sure only one server instance is running at any one time
		3390	sub atomic {
		3391	my $fh = pidfile;
		3392
		3393	my $pid = <$fh>;
		3394	kill 9, $pid if $pid > 0;
		3395
		3396	seek $fh, 0, 0;
		3397	print $fh $$;
		3398	}
		3399
2334	sub main {	3400	sub main {
		3401	atomic;
		3402
2335	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2336	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2337	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3405	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2338	(async {	3406	(async {
2339	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2340	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2341	};	3410	};
2342		3411
2343	cfg_load;	3412	{
		3413	my $guard = freeze_mainloop;
		3414	reload_config;
2344	db_init;	3415	db_init;
2345	load_extensions;	3416	load_extensions;
2346		3417
2347	$TICK_WATCHER->start;	3418	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3419	}
		3420
		3421	utime time, time, $RUNTIMEFILE;
		3422
		3423	# no (long-running) fork's whatsoever before this point(!)
		3424	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3425
2348	Event::loop;	3426	EV::loop;
2349	}	3427	}
2350		3428
2351	#############################################################################	3429	#############################################################################
2352	# initialisation and cleanup	3430	# initialisation and cleanup
2353		3431
2354	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2355	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2356	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2357	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2358	reentrant => 0,
2359	data => WF_AUTOCANCEL,
2360	signal => $signal,
2361	prio => 0,
2362	cb => sub {
2363	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2364	},
2365	);	3438	};
		3439	}
		3440	}
		3441
		3442	sub write_runtime_sync {
		3443	# first touch the runtime file to show we are still running:
		3444	# the fsync below can take a very very long time.
		3445
		3446	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3447
		3448	my $guard = cf::lock_acquire "write_runtime";
		3449
		3450	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3451	or return;
		3452
		3453	my $value = $cf::RUNTIME + 90 + 10;
		3454	# 10 is the runtime save interval, for a monotonic clock
		3455	# 60 allows for the watchdog to kill the server.
		3456
		3457	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3458	and return;
		3459
		3460	# always fsync - this file is important
		3461	aio_fsync $fh
		3462	and return;
		3463
		3464	# touch it again to show we are up-to-date
		3465	aio_utime $fh, undef, undef;
		3466
		3467	close $fh
		3468	or return;
		3469
		3470	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3471	and return;
		3472
		3473	warn "runtime file written.\n";
		3474
2366	}	3475	1
		3476	}
		3477
		3478	our $uuid_lock;
		3479	our $uuid_skip;
		3480
		3481	sub write_uuid_sync($) {
		3482	$uuid_skip ||= $_[0];
		3483
		3484	return if $uuid_lock;
		3485	local $uuid_lock = 1;
		3486
		3487	my $uuid = "$LOCALDIR/uuid";
		3488
		3489	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3490	or return;
		3491
		3492	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3493	$uuid_skip = 0;
		3494
		3495	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3496	and return;
		3497
		3498	# always fsync - this file is important
		3499	aio_fsync $fh
		3500	and return;
		3501
		3502	close $fh
		3503	or return;
		3504
		3505	aio_rename "$uuid~", $uuid
		3506	and return;
		3507
		3508	warn "uuid file written ($value).\n";
		3509
		3510	1
		3511
		3512	}
		3513
		3514	sub write_uuid($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2367	}	3519	}
2368		3520
2369	sub emergency_save() {	3521	sub emergency_save() {
2370	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2371		3523
…		…
2377	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2378	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2379	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2380	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2381	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2382	$pl->save;	3535	$pl->save;
2383	}	3536	}
2384	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2385		3538
2386	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2392	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
2393		3546
2394	warn "begin emergency database checkpoint\n";	3547	warn "begin emergency database checkpoint\n";
2395	BDB::db_env_txn_checkpoint $DB_ENV;	3548	BDB::db_env_txn_checkpoint $DB_ENV;
2396	warn "end emergency database checkpoint\n";	3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2397	};	3554	};
2398		3555
2399	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2400	}	3557	}
2401		3558
2402	sub post_cleanup {	3559	sub post_cleanup {
2403	my ($make_core) = @_;	3560	my ($make_core) = @_;
2404		3561
2405	warn Carp::longmess "post_cleanup backtrace"	3562	warn Carp::longmess "post_cleanup backtrace"
2406	if $make_core;	3563	if $make_core;
2407	}
2408		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		3567	}
		3568
		3569	# a safer delete_package, copied from Symbol
		3570	sub clear_package($) {
		3571	my $pkg = shift;
		3572
		3573	# expand to full symbol table name if needed
		3574	unless ($pkg =~ /^main::.*::$/) {
		3575	$pkg = "main$pkg" if $pkg =~ /^::/;
		3576	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3577	$pkg .= '::' unless $pkg =~ /::$/;
		3578	}
		3579
		3580	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3581	my $stem_symtab = *{$stem}{HASH};
		3582
		3583	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3584	or return;
		3585
		3586	# clear all symbols
		3587	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3588	for my $name (keys %$leaf_symtab) {
		3589	_gv_clear *{"$pkg$name"};
		3590	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3591	}
		3592	warn "cleared package #$pkg\n";#d#
		3593	}
		3594
		3595	our $RELOAD; # how many times to reload
		3596
2409	sub reload() {	3597	sub do_reload_perl() {
2410	# can/must only be called in main	3598	# can/must only be called in main
2411	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2412	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2413	return;	3601	return;
2414	}	3602	}
2415		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2416	warn "reloading...";	3607	warn "reloading...";
2417		3608
2418	warn "entering sync_job";	3609	warn "entering sync_job";
2419		3610
2420	cf::sync_job {	3611	cf::sync_job {
2421	cf::write_runtime; # external watchdog should not bark	3612	cf::write_runtime_sync; # external watchdog should not bark
2422	cf::emergency_save;	3613	cf::emergency_save;
2423	cf::write_runtime; # external watchdog should not bark	3614	cf::write_runtime_sync; # external watchdog should not bark
2424		3615
2425	warn "syncing database to disk";	3616	warn "syncing database to disk";
2426	BDB::db_env_txn_checkpoint $DB_ENV;	3617	BDB::db_env_txn_checkpoint $DB_ENV;
2427		3618
2428	# if anything goes wrong in here, we should simply crash as we already saved	3619	# if anything goes wrong in here, we should simply crash as we already saved
2429		3620
2430	warn "cancelling all WF_AUTOCANCEL watchers";
2431	for (Event::all_watchers) {
2432	$_->cancel if $_->data & WF_AUTOCANCEL;
2433	}
2434
2435	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2436	for (;;) {
2437	BDB::flush;
2438	IO::AIO::flush;
2439	Coro::cede;
2440	last unless IO::AIO::nreqs || BDB::nreqs;	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2441	warn "iterate...";	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2442	}
2443
2444	++$RELOAD;
2445
2446	warn "cancelling all extension coros";
2447	$_->cancel for values %EXT_CORO;
2448	%EXT_CORO = ();
2449
2450	warn "removing commands";
2451	%COMMAND = ();
2452
2453	warn "removing ext commands";
2454	%EXTCMD = ();
2455
2456	warn "unloading/nuking all extensions";
2457	for my $pkg (@EXTS) {
2458	warn "... unloading $pkg";
2459
2460	if (my $cb = $pkg->can ("unload")) {
2461	eval {
2462	$cb->($pkg);
2463	1
2464	} or warn "$pkg unloaded, but with errors: $@";
2465	}	3624	}
2466		3625
2467	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2468	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2469	}	3628	%EXT_CORO = ();
2470		3629
2471	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2472	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2473	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2474		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2475	warn "... unloading $k";	3639	warn "... unloading $pkg";
2476	delete $INC{$k};
2477		3640
2478	$k =~ s/\.pm$//;
2479	$k =~ s/\//::/g;
2480
2481	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2482	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2483	}	3650	}
2484		3651
2485	Symbol::delete_package $k;	3652	warn "unloading all perl modules loaded from $LIBDIR";
		3653	while (my ($k, $v) = each %INC) {
		3654	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3655
		3656	warn "... unloading $k";
		3657	delete $INC{$k};
		3658
		3659	$k =~ s/\.pm$//;
		3660	$k =~ s/\//::/g;
		3661
		3662	if (my $cb = $k->can ("unload_module")) {
		3663	$cb->();
		3664	}
		3665
		3666	clear_package $k;
2486	}	3667	}
2487		3668
2488	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2489	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2490	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3671	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2491		3672
2492	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2493	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2494		3676
2495	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2496	# and global variables created in xs	3678	# and global variables created in xs
2497	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2498		3680
2499	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2500		3682
2501	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2502	require cf;	3684	require cf;
2503	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2504		3686
2505	warn "loading config and database again";	3687	warn "loading config and database again";
2506	cf::cfg_load;	3688	cf::reload_config;
2507		3689
2508	warn "loading extensions";	3690	warn "loading extensions";
2509	cf::load_extensions;	3691	cf::load_extensions;
2510		3692
2511	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2512	_global_reattach; # objects, sockets	3694	_global_reattach; # objects, sockets
2513	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2514	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
2515	warn "reattaching attachments to players";	3697	warn "reattaching attachments to players";
2516	reattach $_ for values %PLAYER;	3698	reattach $_ for values %PLAYER;
2517		3699
2518	warn "loading reloadable resources";
2519	reload_resources;
2520
2521	warn "leaving sync_job";	3700	warn "leaving sync_job";
2522		3701
2523	1	3702	1
2524	} or do {	3703	} or do {
2525	warn $@;	3704	warn $@;
2526	warn "error while reloading, exiting.";	3705	cf::cleanup "error while reloading, exiting.";
2527	exit 1;	3706	};
		3707
		3708	warn "reloaded";
		3709	--$RELOAD;
		3710	}
		3711	};
		3712
		3713	our $RELOAD_WATCHER; # used only during reload
		3714
		3715	sub reload_perl() {
		3716	# doing reload synchronously and two reloads happen back-to-back,
		3717	# coro crashes during coro_state_free->destroy here.
		3718
		3719	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3720	do_reload_perl;
		3721	undef $RELOAD_WATCHER;
2528	};	3722	};
2529		3723	}
2530	warn "reloaded";
2531	};
2532
2533	our $RELOAD_WATCHER; # used only during reload
2534		3724
2535	register_command "reload" => sub {	3725	register_command "reload" => sub {
2536	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2537		3727
2538	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2539	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2540		3730	async {
2541	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2542	# coro crashes during coro_state_free->destroy here.
2543
2544	$RELOAD_WATCHER ||= Event->timer (
2545	reentrant => 0,
2546	after => 0,
2547	data => WF_AUTOCANCEL,
2548	cb => sub {
2549	reload;	3732	reload_perl;
2550	undef $RELOAD_WATCHER;
2551	},
2552	);	3733	};
2553	}	3734	}
2554	};	3735	};
2555		3736
2556	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2557		3738
2558	my $bug_warning = 0;	3739	my $bug_warning = 0;
2559		3740
2560	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2561	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2562	parked => 1,	3743
2563	prio => 0,	3744	sub wait_for_tick {
2564	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2565	data => WF_AUTOCANCEL,	3746
2566	cb => sub {	3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub wait_for_tick_begin {
		3753	return if tick_inhibit || $Coro::current == $Coro::main;
		3754
		3755	my $signal = new Coro::Signal;
		3756	push @WAIT_FOR_TICK_BEGIN, $signal;
		3757	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2567	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2568	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2569	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2570	return;	3764	return;
2571	}	3765	}
2572		3766
2573	$NOW = Event::time;
2574
2575	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2576	$RUNTIME += $TICK;
2577	$NEXT_TICK += $TICK;
2578		3768
2579	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2580	$NEXT_RUNTIME_WRITE = $NOW + 10;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2581	Coro::async_pool {	3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
2582	write_runtime	3773	write_runtime_sync
2583	or warn "ERROR: unable to write runtime file: $!";	3774	or warn "ERROR: unable to write runtime file: $!";
2584	};
2585	}	3775	};
2586
2587	$WAIT_FOR_TICK->broadcast;
2588	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2589
2590	# my $AFTER = Event::time;
2591	# warn $AFTER - $NOW;#d#
2592
2593	# if we are delayed by four ticks or more, skip them all
2594	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2595
2596	$TICK_WATCHER->at ($NEXT_TICK);
2597	$TICK_WATCHER->start;
2598	},	3776	}
2599	);	3777
		3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3779	$sig->send;
		3780	}
		3781	while (my $sig = shift @WAIT_FOR_TICK) {
		3782	$sig->send;
		3783	}
		3784
		3785	$LOAD = ($NOW - $TICK_START) / $TICK;
		3786	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3787
		3788	if (0) {
		3789	if ($NEXT_TICK) {
		3790	my $jitter = $TICK_START - $NEXT_TICK;
		3791	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3792	warn "jitter $JITTER\n";#d#
		3793	}
		3794	}
		3795	}
2600		3796
2601	{	3797	{
2602	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2603	$BDB_POLL_WATCHER = Event->io (	3799
2604	reentrant => 0,
2605	fd => BDB::poll_fileno,
2606	poll => 'r',
2607	prio => 0,
2608	data => WF_AUTOCANCEL,
2609	cb => \&BDB::poll_cb,
2610	);
2611	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2612		3801	BDB::max_poll_reqs $TICK * 0.1;
2613	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2614	my $status;
2615	my $current = $Coro::current;
2616	(
2617	sub {
2618	$status = $!;
2619	$current->ready; undef $current;
2620	},
2621	sub {
2622	Coro::schedule while defined $current;
2623	$! = $status;
2624	},
2625	)
2626	};
2627		3803
2628	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2629	$DB_ENV = BDB::db_env_create;	3805	$DB_ENV = BDB::db_env_create;
		3806	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3807	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3808	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3809	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3810	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2630		3811
2631	cf::sync_job {	3812	cf::sync_job {
2632	eval {	3813	eval {
2633	BDB::db_env_open	3814	BDB::db_env_open
2634	$DB_ENV,	3815	$DB_ENV,
2635	$BDB_ENV_DIR,	3816	$BDBDIR,
2636	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2637	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2638	0666;	3819	0666;
2639		3820
2640	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2641
2642	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2643	$DB_ENV->set_lk_detect;
2644	};	3822	};
2645		3823
2646	cf::cleanup "db_env_open(db): $@" if $@;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2647	};	3825	};
2648	}	3826	}
		3827
		3828	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3829	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3830	};
		3831	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3832	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3833	};
		3834	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3835	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3836	};
2649	}	3837	}
2650		3838
2651	{	3839	{
		3840	# configure IO::AIO
		3841
2652	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2653
2654	undef $Coro::AIO::WATCHER;
2655	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2656	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2657	reentrant => 0,
2658	data => WF_AUTOCANCEL,
2659	fd => IO::AIO::poll_fileno,
2660	poll => 'r',
2661	prio => 6,
2662	cb => \&IO::AIO::poll_cb,
2663	);
2664	}	3845	}
		3846
		3847	my $_log_backtrace;
		3848
		3849	sub _log_backtrace {
		3850	my ($msg, @addr) = @_;
		3851
		3852	$msg =~ s/\n//;
		3853
		3854	# limit the # of concurrent backtraces
		3855	if ($_log_backtrace < 2) {
		3856	++$_log_backtrace;
		3857	my $perl_bt = Carp::longmess $msg;
		3858	async {
		3859	$Coro::current->{desc} = "abt $msg";
		3860
		3861	my @bt = fork_call {
		3862	@addr = map { sprintf "%x", $_ } @addr;
		3863	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3864	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3865	or die "addr2line: $!";
		3866
		3867	my @funcs;
		3868	my @res = <$fh>;
		3869	chomp for @res;
		3870	while (@res) {
		3871	my ($func, $line) = splice @res, 0, 2, ();
		3872	push @funcs, "[$func] $line";
		3873	}
		3874
		3875	@funcs
		3876	};
		3877
		3878	LOG llevInfo, "[ABT] $perl_bt\n";
		3879	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3880	LOG llevInfo, "[ABT] $_\n" for @bt;
		3881	--$_log_backtrace;
		3882	};
		3883	} else {
		3884	LOG llevInfo, "[ABT] $msg\n";
		3885	LOG llevInfo, "[ABT] [suppressed]\n";
		3886	}
		3887	}
		3888
		3889	# load additional modules
		3890	use cf::pod;
2665		3891
2666	END { cf::emergency_save }	3892	END { cf::emergency_save }
2667		3893
2668	1	3894	1
2669		3895

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