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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.207 by root, Sun Feb 11 22:42:09 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;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
27		61
28	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	{
		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	}
29		87
30	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	88	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
31
32	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
33	$YAML::Syck::ImplicitUnicode = 1;
34
35	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
36		89
37	our %COMMAND = ();	90	our %COMMAND = ();
38	our %COMMAND_TIME = ();	91	our %COMMAND_TIME = ();
39		92
40	our @EXTS = (); # list of extension package names	93	our @EXTS = (); # list of extension package names
41	our %EXTCMD = ();	94	our %EXTCMD = ();
		95	our %EXTICMD = ();
42	our %EXT_CORO = (); # coroutines bound to extensions	96	our %EXT_CORO = (); # coroutines bound to extensions
43	our %EXT_MAP = (); # pluggable maps	97	our %EXT_MAP = (); # pluggable maps
44		98
		99	our $RELOAD; # number of reloads so far
45	our @EVENT;	100	our @EVENT;
46	our $LIBDIR = datadir . "/ext";
47		101
48	our $TICK = MAX_TIME * 1e-6;	102	our $CONFDIR = confdir;
49	our $TICK_WATCHER;	103	our $DATADIR = datadir;
50	our $AIO_POLL_WATCHER;	104	our $LIBDIR = "$DATADIR/ext";
51	our $WRITE_RUNTIME_WATCHER;	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(!)
		119	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
52	our $NEXT_TICK;	120	our $NEXT_TICK;
53	our $NOW;
54	our $USE_FSYNC = 1; # use fsync to write maps - default off	121	our $USE_FSYNC = 1; # use fsync to write maps - default off
55		122
		123	our $BDB_DEADLOCK_WATCHER;
		124	our $BDB_CHECKPOINT_WATCHER;
56	our $BDB_POLL_WATCHER;	125	our $BDB_TRICKLE_WATCHER;
57	our $DB_ENV;	126	our $DB_ENV;
58		127
59	our %CFG;	128	our %CFG;
60		129
61	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
62	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
63		133
64	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
65	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
66	our $LINK_MAP; # the special {link} map, which is always available	136	our $LINK_MAP; # the special {link} map, which is always available
67	our $RANDOM_MAPS = cf::localdir . "/random";
68	our $BDB_ENV_DIR = cf::localdir . "/db";
69
70	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
71	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
72		137
73	# 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 ∕
74	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
75		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 $TICK_START; # for load detecting purposes
		145
76	binmode STDOUT;	146	binmode STDOUT;
77	binmode STDERR;	147	binmode STDERR;
78		148
79	# read virtual server time, if available	149	# read virtual server time, if available
80	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	150	unless ($RUNTIME || !-e $RUNTIMEFILE) {
81	open my $fh, "<", cf::localdir . "/runtime"	151	open my $fh, "<", $RUNTIMEFILE
82	or die "unable to read runtime file: $!";	152	or die "unable to read $RUNTIMEFILE file: $!";
83	$RUNTIME = <$fh> + 0.;	153	$RUNTIME = <$fh> + 0.;
84	}	154	}
85		155
86	mkdir cf::localdir;	156	mkdir $_
87	mkdir cf::localdir . "/" . cf::playerdir;	157	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
88	mkdir cf::localdir . "/" . cf::tmpdir;
89	mkdir cf::localdir . "/" . cf::uniquedir;
90	mkdir $RANDOM_MAPS;
91	mkdir $BDB_ENV_DIR;
92		158
93	our $EMERGENCY_POSITION;	159	our $EMERGENCY_POSITION;
94		160
95	sub cf::map::normalise;	161	sub cf::map::normalise;
96		162
…		…
107	=item $cf::RUNTIME	173	=item $cf::RUNTIME
108		174
109	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
110	every server tick.	176	every server tick.
111		177
112	=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
113		181
114	The perl library directory, where extensions and cf-specific modules can	182	Various directories - "/etc", read-only install directory, perl-library
115	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.
116		186
117	=item $cf::NOW	187	=item $cf::NOW
118		188
119	The time of the last (current) server tick.	189	The time of the last (current) server tick.
120		190
121	=item $cf::TICK	191	=item $cf::TICK
122		192
123	The interval between server ticks, in seconds.	193	The interval between server ticks, in seconds.
124		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
125	=item %cf::CFG	205	=item %cf::CFG
126		206
127	Configuration for the server, loaded from C</etc/crossfire/config>, or	207	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
128	from wherever your confdir points to.	208	from wherever your confdir points to.
129		209
130	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	210	=item cf::wait_for_tick, cf::wait_for_tick_begin
131		211
132	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
133	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
134	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.
135	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.
136		221
137	=back	222	=back
138		223
139	=cut	224	=cut
140		225
141	BEGIN {	226	BEGIN {
142	*CORE::GLOBAL::warn = sub {	227	*CORE::GLOBAL::warn = sub {
143	my $msg = join "", @_;	228	my $msg = join "", @_;
144	utf8::encode $msg;
145		229
146	$msg .= "\n"	230	$msg .= "\n"
147	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
148		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
149	LOG llevError, $msg;	235	LOG llevError, $msg;
150	};	236	};
151	}	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#?
152		253
153	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	254	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
154	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	255	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
155	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	256	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
156	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	257	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
157	@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';
158	@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)
159		261
160	# 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
161	# within the Safe compartment.	263	# within the Safe compartment.
162	for my $pkg (qw(	264	for my $pkg (qw(
163	cf::global cf::attachable	265	cf::global cf::attachable
164	cf::object cf::object::player	266	cf::object cf::object::player
165	cf::client cf::player	267	cf::client cf::player
166	cf::arch cf::living	268	cf::arch cf::living
		269	cf::map cf::mapspace
167	cf::map cf::party cf::region	270	cf::party cf::region
168	)) {	271	)) {
169	no strict 'refs';
170	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	272	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
171	}	273	}
172		274
173	$Event::DIED = sub {	275	$EV::DIED = sub {
174	warn "error in event callback: @_";	276	warn "error in event callback: @_";
175	};	277	};
		278
		279	#############################################################################
176		280
177	=head2 UTILITY FUNCTIONS	281	=head2 UTILITY FUNCTIONS
178		282
179	=over 4	283	=over 4
180		284
…		…
199	$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;
200	$d	304	$d
201	} || "[unable to dump $_[0]: '$@']";	305	} || "[unable to dump $_[0]: '$@']";
202	}	306	}
203		307
204	use JSON::Syck (); # TODO# replace by JSON::PC once working
205
206	=item $ref = cf::from_json $json	308	=item $ref = cf::decode_json $json
207		309
208	Converts a JSON string into the corresponding perl data structure.	310	Converts a JSON string into the corresponding perl data structure.
209		311
210	=cut
211
212	sub from_json($) {
213	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
214	JSON::Syck::Load $_[0]
215	}
216
217	=item $json = cf::to_json $ref	312	=item $json = cf::encode_json $ref
218		313
219	Converts a perl data structure into its JSON representation.	314	Converts a perl data structure into its JSON representation.
220		315
221	=cut	316	=cut
222		317
223	sub to_json($) {	318	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
224	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	319
225	JSON::Syck::Dump $_[0]	320	sub encode_json($) { $json_coder->encode ($_[0]) }
226	}	321	sub decode_json($) { $json_coder->decode ($_[0]) }
227		322
228	=item cf::lock_wait $string	323	=item cf::lock_wait $string
229		324
230	Wait until the given lock is available. See cf::lock_acquire.	325	Wait until the given lock is available. See cf::lock_acquire.
231		326
…		…
234	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
235	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,
236	for example when the coroutine gets canceled), the lock is automatically	331	for example when the coroutine gets canceled), the lock is automatically
237	returned.	332	returned.
238		333
		334	Locks are *not* recursive, locking from the same coro twice results in a
		335	deadlocked coro.
		336
239	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
240	uses map_find and cf::map::load uses map_load).	338	uses map_find and cf::map::load uses map_load).
241		339
		340	=item $locked = cf::lock_active $string
		341
		342	Return true if the lock is currently active, i.e. somebody has locked it.
		343
242	=cut	344	=cut
243		345
244	our %LOCK;	346	our %LOCK;
		347	our %LOCKER;#d#
245		348
246	sub lock_wait($) {	349	sub lock_wait($) {
247	my ($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#
248		356
249	# wait for lock, if any	357	# wait for lock, if any
250	while ($LOCK{$key}) {	358	while ($LOCK{$key}) {
251	push @{ $LOCK{$key} }, $Coro::current;	359	push @{ $LOCK{$key} }, $Coro::current;
252	Coro::schedule;	360	Coro::schedule;
…		…
258		366
259	# wait, to be sure we are not locked	367	# wait, to be sure we are not locked
260	lock_wait $key;	368	lock_wait $key;
261		369
262	$LOCK{$key} = [];	370	$LOCK{$key} = [];
		371	$LOCKER{$key} = $Coro::current;#d#
263		372
264	Coro::guard {	373	Coro::guard {
		374	delete $LOCKER{$key};#d#
265	# wake up all waiters, to be on the safe side	375	# wake up all waiters, to be on the safe side
266	$_->ready for @{ delete $LOCK{$key} };	376	$_->ready for @{ delete $LOCK{$key} };
267	}	377	}
268	}	378	}
269		379
		380	sub lock_active($) {
		381	my ($key) = @_;
		382
		383	! ! $LOCK{$key}
		384	}
		385
270	sub freeze_mainloop {	386	sub freeze_mainloop {
271	return unless $TICK_WATCHER->is_active;	387	tick_inhibit_inc;
272		388
273	my $guard = Coro::guard {	389	Coro::guard \&tick_inhibit_dec;
274	$TICK_WATCHER->start;	390	}
275	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		400	my ($interval, $cb) = @_;
		401
		402	my $start = rand List::Util::min 180, $interval;
		403
		404	EV::periodic $start, $interval, 0, $cb
		405	}
		406
		407	=item cf::get_slot $time[, $priority[, $name]]
		408
		409	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		410	This call blocks and returns only when you have at least C<$time> seconds
		411	of cpu time till the next tick. The slot is only valid till the next cede.
		412
		413	The optional C<$name> can be used to identify the job to run. It might be
		414	used for statistical purposes and should identify the same time-class.
		415
		416	Useful for short background jobs.
		417
		418	=cut
		419
		420	our @SLOT_QUEUE;
		421	our $SLOT_QUEUE;
		422
		423	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		424	$SLOT_QUEUE = Coro::async {
		425	$Coro::current->desc ("timeslot manager");
		426
		427	my $signal = new Coro::Signal;
		428
		429	while () {
		430	next_job:
		431	my $avail = cf::till_tick;
		432	if ($avail > 0.01) {
		433	for (0 .. $#SLOT_QUEUE) {
		434	if ($SLOT_QUEUE[$_][0] < $avail) {
		435	my $job = splice @SLOT_QUEUE, $_, 1, ();
		436	$job->[2]->send;
		437	Coro::cede;
		438	goto next_job;
		439	}
		440	}
		441	}
		442
		443	if (@SLOT_QUEUE) {
		444	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		445	push @cf::WAIT_FOR_TICK, $signal;
		446	$signal->wait;
		447	} else {
		448	Coro::schedule;
		449	}
276	};	450	}
277	$WRITE_RUNTIME_WATCHER->stop;	451	};
278	$TICK_WATCHER->stop;	452
279	$guard	453	sub get_slot($;$$) {
		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	$sig->wait;
280	}	465	}
281		466
282	=item cf::async { BLOCK }	467	=item cf::async { BLOCK }
283		468
284	Currently the same as Coro::async_pool, meaning you cannot use	469	Currently the same as Coro::async_pool, meaning you cannot use
…		…
289		474
290	BEGIN { *async = \&Coro::async_pool }	475	BEGIN { *async = \&Coro::async_pool }
291		476
292	=item cf::sync_job { BLOCK }	477	=item cf::sync_job { BLOCK }
293		478
294	The design of crossfire+ requires that the main coro ($Coro::main) is	479	The design of Deliantra requires that the main coroutine ($Coro::main)
295	always able to handle events or runnable, as crossfire+ is only partly	480	is always able to handle events or runnable, as Deliantra is only
296	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	481	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		482	acceptable.
297		483
298	If it must be done, put the blocking parts into C<sync_job>. This will run	484	If it must be done, put the blocking parts into C<sync_job>. This will run
299	the given BLOCK in another coroutine while waiting for the result. The	485	the given BLOCK in another coroutine while waiting for the result. The
300	server will be frozen during this time, so the block should either finish	486	server will be frozen during this time, so the block should either finish
301	fast or be very important.	487	fast or be very important.
…		…
304		490
305	sub sync_job(&) {	491	sub sync_job(&) {
306	my ($job) = @_;	492	my ($job) = @_;
307		493
308	if ($Coro::current == $Coro::main) {	494	if ($Coro::current == $Coro::main) {
		495	my $time = EV::time;
		496
309	# this is the main coro, too bad, we have to block	497	# this is the main coro, too bad, we have to block
310	# till the operation succeeds, freezing the server :/	498	# till the operation succeeds, freezing the server :/
311		499
312	# TODO: use suspend/resume instead	500	LOG llevError, Carp::longmess "sync job";#d#
313	# (but this is cancel-safe)	501
314	my $freeze_guard = freeze_mainloop;	502	my $freeze_guard = freeze_mainloop;
315		503
316	my $busy = 1;	504	my $busy = 1;
317	my @res;	505	my @res;
318		506
319	(async {	507	(async {
		508	$Coro::current->desc ("sync job coro");
320	@res = eval { $job->() };	509	@res = eval { $job->() };
321	warn $@ if $@;	510	warn $@ if $@;
322	undef $busy;	511	undef $busy;
323	})->prio (Coro::PRIO_MAX);	512	})->prio (Coro::PRIO_MAX);
324		513
325	while ($busy) {	514	while ($busy) {
326	Coro::cede or Event::one_event;	515	if (Coro::nready) {
		516	Coro::cede_notself;
		517	} else {
		518	EV::loop EV::LOOP_ONESHOT;
327	}	519	}
		520	}
		521
		522	my $time = EV::time - $time;
		523
		524	$TICK_START += $time; # do not account sync jobs to server load
328		525
329	wantarray ? @res : $res[0]	526	wantarray ? @res : $res[0]
330	} else {	527	} else {
331	# we are in another coroutine, how wonderful, everything just works	528	# we are in another coroutine, how wonderful, everything just works
332		529
…		…
352	$EXT_CORO{$coro+0} = $coro;	549	$EXT_CORO{$coro+0} = $coro;
353		550
354	$coro	551	$coro
355	}	552	}
356		553
357	sub write_runtime {	554	=item fork_call { }, $args
358	my $runtime = cf::localdir . "/runtime";
359		555
360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	556	Executes the given code block with the given arguments in a seperate
361	or return;	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.
362		560
363	my $value = $cf::RUNTIME + 90 + 10;	561	=cut
364	# 10 is the runtime save interval, for a monotonic clock
365	# 60 allows for the watchdog to kill the server.
366		562
367	(aio_write $fh, 0, (length $value), $value, 0) <= 0	563	sub fork_call(&@) {
368	and return;	564	my ($cb, @args) = @_;
369		565
370	# always fsync - this file is important	566	# we seemingly have to make a local copy of the whole thing,
371	aio_fsync $fh	567	# otherwise perl prematurely frees the stuff :/
372	and return;	568	# TODO: investigate and fix (likely this will be rather laborious)
373		569
374	close $fh	570	my @res = Coro::Util::fork_eval {
375	or return;	571	reset_signals;
		572	&$cb
		573	}, @args;
376		574
377	aio_rename "$runtime~", $runtime	575	wantarray ? @res : $res[-1]
378	and return;	576	}
379		577
		578	=item $coin = coin_from_name $name
		579
		580	=cut
		581
		582	our %coin_alias = (
		583	"silver" => "silvercoin",
		584	"silvercoin" => "silvercoin",
		585	"silvercoins" => "silvercoin",
		586	"gold" => "goldcoin",
		587	"goldcoin" => "goldcoin",
		588	"goldcoins" => "goldcoin",
		589	"platinum" => "platinacoin",
		590	"platinumcoin" => "platinacoin",
		591	"platinumcoins" => "platinacoin",
		592	"platina" => "platinacoin",
		593	"platinacoin" => "platinacoin",
		594	"platinacoins" => "platinacoin",
		595	"royalty" => "royalty",
		596	"royalties" => "royalty",
		597	);
		598
		599	sub coin_from_name($) {
		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($$) {
		647	my $key = "$_[0]/$_[1]";
		648
		649	cf::sync_job {
		650	BDB::db_get $DB, undef, $key, my $data;
		651
		652	$! ? ()
		653	: $data
380	1	654	}
		655	}
		656
		657	sub db_put($$$) {
		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 });
381	}	741	}
382		742
383	=back	743	=back
384		744
385	=cut	745	=cut
386		746
387	#############################################################################	747	#############################################################################
388		748
389	=head2 ATTACHABLE OBJECTS	749	=head2 ATTACHABLE OBJECTS
390		750
391	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
392	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")
393	to it. All such attachable objects support the following methods.	753	to it. All such attachable objects support the following methods.
394		754
395	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>
396	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
397	crossfire+).	757	Deliantra).
398		758
399	=over 4	759	=over 4
400		760
401	=item $attachable->attach ($attachment, key => $value...)	761	=item $attachable->attach ($attachment, key => $value...)
402		762
…		…
446	=item cf::CLASS::attachment $name, ...	806	=item cf::CLASS::attachment $name, ...
447		807
448	Register an attachment by C<$name> through which attachable objects of the	808	Register an attachment by C<$name> through which attachable objects of the
449	given CLASS can refer to this attachment.	809	given CLASS can refer to this attachment.
450		810
451	Some classes such as crossfire maps and objects can specify attachments	811	Some classes such as deliantra maps and objects can specify attachments
452	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.
453		813
454	These calls expect any number of the following handler/hook descriptions:	814	These calls expect any number of the following handler/hook descriptions:
455		815
456	=over 4	816	=over 4
…		…
565	$registry = $CB_TYPE[$object_type] ||= [];	925	$registry = $CB_TYPE[$object_type] ||= [];
566		926
567	} elsif ($type eq "subtype") {	927	} elsif ($type eq "subtype") {
568	defined $object_type or Carp::croak "subtype specified without type";	928	defined $object_type or Carp::croak "subtype specified without type";
569	my $object_subtype = shift @arg;	929	my $object_subtype = shift @arg;
570	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	930	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
571		931
572	} elsif ($type eq "package") {	932	} elsif ($type eq "package") {
573	my $pkg = shift @arg;	933	my $pkg = shift @arg;
574		934
575	while (my ($name, $id) = each %cb_id) {	935	while (my ($name, $id) = each %cb_id) {
…		…
604	_attach $registry, $klass, @attach;	964	_attach $registry, $klass, @attach;
605	}	965	}
606		966
607	$obj->{$name} = \%arg;	967	$obj->{$name} = \%arg;
608	} else {	968	} else {
609	warn "object uses attachment '$name' that is not available, postponing.\n";	969	warn "object uses attachment '$name' which is not available, postponing.\n";
610	}	970	}
611		971
612	$obj->{_attachment}{$name} = undef;	972	$obj->{_attachment}{$name} = undef;
613	}	973	}
614		974
…		…
616	if (ref $_[0]) {	976	if (ref $_[0]) {
617	_object_attach @_;	977	_object_attach @_;
618	} else {	978	} else {
619	_attach shift->_attach_registry, @_;	979	_attach shift->_attach_registry, @_;
620	}	980	}
		981	_recalc_want;
621	};	982	};
622		983
623	# all those should be optimised	984	# all those should be optimised
624	sub cf::attachable::detach {	985	sub cf::attachable::detach {
625	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
…		…
628	delete $obj->{_attachment}{$name};	989	delete $obj->{_attachment}{$name};
629	reattach ($obj);	990	reattach ($obj);
630	} else {	991	} else {
631	Carp::croak "cannot, currently, detach class attachments";	992	Carp::croak "cannot, currently, detach class attachments";
632	}	993	}
		994	_recalc_want;
633	};	995	};
634		996
635	sub cf::attachable::attached {	997	sub cf::attachable::attached {
636	my ($obj, $name) = @_;	998	my ($obj, $name) = @_;
637		999
…		…
652	";	1014	";
653	die if $@;	1015	die if $@;
654	}	1016	}
655		1017
656	our $override;	1018	our $override;
657	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?
658		1020
659	sub override {	1021	sub override {
660	$override = 1;	1022	$override = 1;
661	@invoke_results = ();	1023	@INVOKE_RESULTS = (@_);
662	}	1024	}
663		1025
664	sub do_invoke {	1026	sub do_invoke {
665	my $event = shift;	1027	my $event = shift;
666	my $callbacks = shift;	1028	my $callbacks = shift;
667		1029
668	@invoke_results = ();	1030	@INVOKE_RESULTS = ();
669		1031
670	local $override;	1032	local $override;
671		1033
672	for (@$callbacks) {	1034	for (@$callbacks) {
673	eval { &{$_->[1]} };	1035	eval { &{$_->[1]} };
…		…
682	}	1044	}
683		1045
684	0	1046	0
685	}	1047	}
686		1048
687	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1049	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
688		1050
689	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1051	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
690		1052
691	Generate an object-specific event with the given arguments.	1053	Generate an object-specific event with the given arguments.
692		1054
693	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
694	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
695	results (if you must, access C<@cf::invoke_results> directly).	1057	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
696		1058
697	=back	1059	=back
698		1060
699	=cut	1061	=cut
700		1062
701	#############################################################################	1063	#############################################################################
702	# 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, $ob2
		1106	}
703		1107
704	sub reattach {	1108	sub reattach {
705	# basically do the same as instantiate, without calling instantiate	1109	# basically do the same as instantiate, without calling instantiate
706	my ($obj) = @_;	1110	my ($obj) = @_;
707		1111
		1112	# no longer needed after getting rid of delete_package?
708	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
709		1114
710	my $registry = $obj->registry;	1115	my $registry = $obj->registry;
711		1116
712	@$registry = ();	1117	@$registry = ();
713		1118
…		…
728	cf::attachable->attach (	1133	cf::attachable->attach (
729	prio => -1000000,	1134	prio => -1000000,
730	on_instantiate => sub {	1135	on_instantiate => sub {
731	my ($obj, $data) = @_;	1136	my ($obj, $data) = @_;
732		1137
733	$data = from_json $data;	1138	$data = decode_json $data;
734		1139
735	for (@$data) {	1140	for (@$data) {
736	my ($name, $args) = @$_;	1141	my ($name, $args) = @$_;
737		1142
738	$obj->attach ($name, %{$args || {} });	1143	$obj->attach ($name, %{$args || {} });
…		…
754	sub object_freezer_save {	1159	sub object_freezer_save {
755	my ($filename, $rdata, $objs) = @_;	1160	my ($filename, $rdata, $objs) = @_;
756		1161
757	sync_job {	1162	sync_job {
758	if (length $$rdata) {	1163	if (length $$rdata) {
		1164	utf8::decode (my $decname = $filename);
759	warn sprintf "saving %s (%d,%d)\n",	1165	warn sprintf "saving %s (%d,%d)\n",
760	$filename, length $$rdata, scalar @$objs;	1166	$decname, length $$rdata, scalar @$objs;
761		1167
762	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1168	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
763	chmod SAVE_MODE, $fh;	1169	aio_chmod $fh, SAVE_MODE;
764	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1170	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
765	aio_fsync $fh if $cf::USE_FSYNC;	1171	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1172	aio_close $fh;
767		1173
768	if (@$objs) {	1174	if (@$objs) {
769	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) {
770	chmod SAVE_MODE, $fh;	1176	aio_chmod $fh, SAVE_MODE;
771	my $data = Storable::nfreeze { version => 1, objs => $objs };	1177	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
772	aio_write $fh, 0, (length $data), $data, 0;	1178	aio_write $fh, 0, (length $data), $data, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1179	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1180	aio_close $fh;
775	aio_rename "$filename.pst~", "$filename.pst";	1181	aio_rename "$filename.pst~", "$filename.pst";
776	}	1182	}
777	} else {	1183	} else {
778	aio_unlink "$filename.pst";	1184	aio_unlink "$filename.pst";
779	}	1185	}
…		…
784	}	1190	}
785	} else {	1191	} else {
786	aio_unlink $filename;	1192	aio_unlink $filename;
787	aio_unlink "$filename.pst";	1193	aio_unlink "$filename.pst";
788	}	1194	}
789
790	#d##TODO# nuke non .map-files if exist
791	if ($filename =~ s/\.map$//) {
792	aio_unlink $filename;
793	aio_unlink "$filename.pst";
794	}
795	}	1195	};
796	}	1196	}
797		1197
798	sub object_freezer_as_string {	1198	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1199	my ($rdata, $objs) = @_;
800		1200
…		…
805		1205
806	sub object_thawer_load {	1206	sub object_thawer_load {
807	my ($filename) = @_;	1207	my ($filename) = @_;
808		1208
809	my ($data, $av);	1209	my ($data, $av);
810
811	#d#TODO remove .map if file does not exist
812	aio_stat $filename and $filename =~ s/\.map$//;
813		1210
814	(aio_load $filename, $data) >= 0	1211	(aio_load $filename, $data) >= 0
815	or return;	1212	or return;
816		1213
817	unless (aio_stat "$filename.pst") {	1214	unless (aio_stat "$filename.pst") {
818	(aio_load "$filename.pst", $av) >= 0	1215	(aio_load "$filename.pst", $av) >= 0
819	or return;	1216	or return;
		1217
820	$av = eval { (Storable::thaw $av)->{objs} };	1218	my $st = eval { Coro::Storable::thaw $av };
		1219	$av = $st->{objs};
821	}	1220	}
822		1221
		1222	utf8::decode (my $decname = $filename);
823	warn sprintf "loading %s (%d)\n",	1223	warn sprintf "loading %s (%d,%d)\n",
824	$filename, length $data, scalar @{$av || []};#d#	1224	$decname, length $data, scalar @{$av || []};
		1225
825	return ($data, $av);	1226	($data, $av)
826	}	1227	}
		1228
		1229	=head2 COMMAND CALLBACKS
		1230
		1231	=over 4
		1232
		1233	=cut
827		1234
828	#############################################################################	1235	#############################################################################
829	# command handling &c	1236	# command handling &c
830		1237
831	=item cf::register_command $name => \&callback($ob,$args);	1238	=item cf::register_command $name => \&callback($ob,$args);
…		…
844	push @{ $COMMAND{$name} }, [$caller, $cb];	1251	push @{ $COMMAND{$name} }, [$caller, $cb];
845	}	1252	}
846		1253
847	=item cf::register_extcmd $name => \&callback($pl,$packet);	1254	=item cf::register_extcmd $name => \&callback($pl,$packet);
848		1255
849	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.
850		1261
851	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
852	called.	1263	called.
853		1264
		1265	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1266
		1267	Register a callback for execution when the client sends an (asynchronous)
		1268	exticmd packet. Exti commands are processed by the server as soon as they
		1269	are received, i.e. out of order w.r.t. other commands. The first argument
		1270	is a client socket. Exti commands can be received anytime, even before
		1271	log-in.
		1272
		1273	If the callback returns something, it is sent back as if reply was being
		1274	called.
		1275
854	=cut	1276	=cut
855		1277
856	sub register_extcmd {	1278	sub register_extcmd {
857	my ($name, $cb) = @_;	1279	my ($name, $cb) = @_;
858		1280
859	$EXTCMD{$name} = $cb;	1281	$EXTCMD{$name} = $cb;
		1282	}
		1283
		1284	sub register_exticmd {
		1285	my ($name, $cb) = @_;
		1286
		1287	$EXTICMD{$name} = $cb;
860	}	1288	}
861		1289
862	cf::player->attach (	1290	cf::player->attach (
863	on_command => sub {	1291	on_command => sub {
864	my ($pl, $name, $params) = @_;	1292	my ($pl, $name, $params) = @_;
…		…
873	cf::override;	1301	cf::override;
874	},	1302	},
875	on_extcmd => sub {	1303	on_extcmd => sub {
876	my ($pl, $buf) = @_;	1304	my ($pl, $buf) = @_;
877		1305
878	my $msg = eval { from_json $buf };	1306	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
879		1307
880	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
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1316	if (my $cb = $EXTCMD{$type}) {
882	if (my %reply = $cb->($pl, $msg)) {	1317	@reply = $cb->($pl, @payload);
883	$pl->ext_reply ($msg->{msgid}, %reply);
884	}
885	}	1318	}
		1319
		1320	$pl->ext_reply ($reply, @reply)
		1321	if $reply;
		1322
886	} else {	1323	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1324	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
888	}	1325	}
889		1326
890	cf::override;	1327	cf::override;
891	},	1328	},
892	);	1329	);
893		1330
894	sub load_extension {
895	my ($path) = @_;
896
897	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
898	my $base = $1;
899	my $pkg = $1;
900	$pkg =~ s/[^[:word:]]/_/g;
901	$pkg = "ext::$pkg";
902
903	warn "... loading '$path' into '$pkg'\n";
904
905	open my $fh, "<:utf8", $path
906	or die "$path: $!";
907
908	my $source =
909	"package $pkg; use strict; use utf8;\n"
910	. "#line 1 \"$path\"\n{\n"
911	. (do { local $/; <$fh> })
912	. "\n};\n1";
913
914	unless (eval $source) {
915	my $msg = $@ ? "$path: $@\n"
916	: "extension disabled.\n";
917	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
918	warn $@;
919	warn "mandatory extension failed to load, exiting.\n";
920	exit 1;
921	}
922	die $@;
923	}
924
925	push @EXTS, $pkg;
926	}
927
928	sub load_extensions {	1331	sub load_extensions {
		1332	cf::sync_job {
		1333	my %todo;
		1334
929	for my $ext (<$LIBDIR/*.ext>) {	1335	for my $path (<$LIBDIR/*.ext>) {
930	next unless -r $ext;	1336	next unless -r $path;
931	eval {	1337
932	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	$progress = 1;
933	1	1394	}
934	} or warn "$ext not loaded: $@";	1395
		1396	skip:
		1397	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1398	unless $progress;
		1399	}
935	}	1400	};
936	}	1401	}
937		1402
938	#############################################################################	1403	#############################################################################
939		1404
		1405	=back
		1406
940	=head2 CORE EXTENSIONS	1407	=head2 CORE EXTENSIONS
941		1408
942	Functions and methods that extend core crossfire objects.	1409	Functions and methods that extend core deliantra objects.
943		1410
944	=cut	1411	=cut
945		1412
946	package cf::player;	1413	package cf::player;
947		1414
…		…
949		1416
950	=head3 cf::player	1417	=head3 cf::player
951		1418
952	=over 4	1419	=over 4
953		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
954	=item cf::player::find $login	1435	=item cf::player::find $login
955		1436
956	Returns the given player object, loading it if necessary (might block).	1437	Returns the given player object, loading it if necessary (might block).
957		1438
958	=cut	1439	=cut
959		1440
960	sub playerdir($) {	1441	sub playerdir($) {
961	cf::localdir	1442	"$PLAYERDIR/"
962	. "/"
963	. cf::playerdir
964	. "/"
965	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1443	. (ref $_[0] ? $_[0]->ob->name : $_[0])
966	}	1444	}
967		1445
968	sub path($) {	1446	sub path($) {
969	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1447	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
970		1448
971	(playerdir $login) . "/$login.pl"	1449	(playerdir $login) . "/playerdata"
972	}	1450	}
973		1451
974	sub find_active($) {	1452	sub find_active($) {
975	$cf::PLAYER{$_[0]}	1453	$cf::PLAYER{$_[0]}
976	and $cf::PLAYER{$_[0]}->active	1454	and $cf::PLAYER{$_[0]}->active
…		…
989	my $login = $_[0];	1467	my $login = $_[0];
990		1468
991	my $guard = cf::lock_acquire "user_find:$login";	1469	my $guard = cf::lock_acquire "user_find:$login";
992		1470
993	$cf::PLAYER{$_[0]} || do {	1471	$cf::PLAYER{$_[0]} || do {
994	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
995	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;
996	$cf::PLAYER{$login} = $pl	1487	$cf::PLAYER{$login} = $pl
997	}	1488	}
998	}	1489	}
999	}	1490	}
1000		1491
…		…
1009	return if $pl->{deny_save};	1500	return if $pl->{deny_save};
1010		1501
1011	aio_mkdir playerdir $pl, 0770;	1502	aio_mkdir playerdir $pl, 0770;
1012	$pl->{last_save} = $cf::RUNTIME;	1503	$pl->{last_save} = $cf::RUNTIME;
1013		1504
		1505	cf::get_slot 0.01;
		1506
1014	$pl->save_pl ($path);	1507	$pl->save_pl ($path);
1015	Coro::cede;	1508	cf::cede_to_tick;
1016	}	1509	}
1017		1510
1018	sub new($) {	1511	sub new($) {
1019	my ($login) = @_;	1512	my ($login) = @_;
1020		1513
…		…
1026	$cf::PLAYER{$login} = $self;	1519	$cf::PLAYER{$login} = $self;
1027		1520
1028	$self	1521	$self
1029	}	1522	}
1030		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
1031	=item $pl->quit_character	1534	=item $pl->quit_character
1032		1535
1033	Nukes the player without looking back. If logged in, the connection will	1536	Nukes the player without looking back. If logged in, the connection will
1034	be destroyed. May block for a long time.	1537	be destroyed. May block for a long time.
1035		1538
1036	=cut	1539	=cut
1037		1540
1038	sub quit_character {	1541	sub quit_character {
1039	my ($pl) = @_;	1542	my ($pl) = @_;
1040		1543
		1544	my $name = $pl->ob->name;
		1545
1041	$pl->{deny_save} = 1;	1546	$pl->{deny_save} = 1;
1042	$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
1043		1548
1044	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1549	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1045	$pl->deactivate;	1550	$pl->deactivate;
		1551	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1552	$pl->ob->check_score;
1046	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1553	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1047	$pl->ns->destroy if $pl->ns;	1554	$pl->ns->destroy if $pl->ns;
1048		1555
1049	my $path = playerdir $pl;	1556	my $path = playerdir $pl;
1050	my $temp = "$path~$cf::RUNTIME~deleting~";	1557	my $temp = "$path~$cf::RUNTIME~deleting~";
1051	aio_rename $path, $temp;	1558	aio_rename $path, $temp;
1052	delete $cf::PLAYER{$pl->ob->name};	1559	delete $cf::PLAYER{$pl->ob->name};
1053	$pl->destroy;	1560	$pl->destroy;
		1561
		1562	my $prefix = qr<^~\Q$name\E/>;
		1563
		1564	# nuke player maps
		1565	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1566
1054	IO::AIO::aio_rmtree $temp;	1567	IO::AIO::aio_rmtree $temp;
		1568	}
		1569
		1570	=item $pl->kick
		1571
		1572	Kicks a player out of the game. This destroys the connection.
		1573
		1574	=cut
		1575
		1576	sub kick {
		1577	my ($pl, $kicker) = @_;
		1578
		1579	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1580	$pl->killer ("kicked");
		1581	$pl->ns->destroy;
1055	}	1582	}
1056		1583
1057	=item cf::player::list_logins	1584	=item cf::player::list_logins
1058		1585
1059	Returns am arrayref of all valid playernames in the system, can take a	1586	Returns am arrayref of all valid playernames in the system, can take a
1060	while and may block, so not sync_job-capable, ever.	1587	while and may block, so not sync_job-capable, ever.
1061		1588
1062	=cut	1589	=cut
1063		1590
1064	sub list_logins {	1591	sub list_logins {
1065	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1592	my $dirs = aio_readdir $PLAYERDIR
1066	or return [];	1593	or return [];
1067		1594
1068	my @logins;	1595	my @logins;
1069		1596
1070	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") {
1071	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1603	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1072	aio_read $fh, 0, 512, my $buf, 0 or next;	1604	aio_read $fh, 0, 512, my $buf, 0 or next;
1073	$buf !~ /^password -------------$/m or next; # official not-valid tag	1605	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1606	}
1074		1607
1075	utf8::decode $login;	1608	utf8::decode $login;
1076	push @logins, $login;	1609	push @logins, $login;
1077	}	1610	}
1078		1611
…		…
1105	}	1638	}
1106		1639
1107	\@paths	1640	\@paths
1108	}	1641	}
1109		1642
		1643	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1644
		1645	Expand deliantra pod fragments into protocol xml.
		1646
1110	=item $player->ext_reply ($msgid, $msgtype, %msg)	1647	=item $player->ext_reply ($msgid, @msg)
1111		1648
1112	Sends an ext reply to the player.	1649	Sends an ext reply to the player.
1113		1650
1114	=cut	1651	=cut
1115		1652
1116	sub ext_reply($$$%) {	1653	sub ext_reply($$@) {
1117	my ($self, $id, %msg) = @_;	1654	my ($self, $id, @msg) = @_;
1118		1655
1119	$msg{msgid} = $id;	1656	$self->ns->ext_reply ($id, @msg)
1120
1121	$self->send ("ext " . cf::to_json \%msg);
1122	}	1657	}
1123		1658
1124	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	}
1125		1699
1126	=back	1700	=back
1127
1128		1701
1129	=head3 cf::map	1702	=head3 cf::map
1130		1703
1131	=over 4	1704	=over 4
1132		1705
…		…
1144	our $MAX_RESET = 3600;	1717	our $MAX_RESET = 3600;
1145	our $DEFAULT_RESET = 3000;	1718	our $DEFAULT_RESET = 3000;
1146		1719
1147	sub generate_random_map {	1720	sub generate_random_map {
1148	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
1149	# mit "rum" bekleckern, nicht	1725	# mit "rum" bekleckern, nicht
1150	$self->_create_random_map (	1726	$self->_create_random_map (
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1727	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1728	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1729	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1187	my ($self, $merge) = @_;	1763	my ($self, $merge) = @_;
1188		1764
1189	# we have to keep some variables in memory intact	1765	# we have to keep some variables in memory intact
1190	local $self->{path};	1766	local $self->{path};
1191	local $self->{load_path};	1767	local $self->{load_path};
1192	local $self->{deny_save};
1193	local $self->{deny_reset};
1194		1768
1195	$self->SUPER::thawer_merge ($merge);	1769	$self->SUPER::thawer_merge ($merge);
1196	}	1770	}
1197		1771
1198	sub normalise {	1772	sub normalise {
…		…
1245	$self->init; # pass $1 etc.	1819	$self->init; # pass $1 etc.
1246	return $self;	1820	return $self;
1247	}	1821	}
1248	}	1822	}
1249		1823
1250	Carp::carp "unable to resolve path '$path' (base '$base').";	1824	Carp::cluck "unable to resolve path '$path' (base '$base').";
1251	()	1825	()
1252	}	1826	}
1253		1827
1254	sub init {	1828	sub init {
1255	my ($self) = @_;	1829	my ($self) = @_;
…		…
1270		1844
1271	# the original (read-only) location	1845	# the original (read-only) location
1272	sub load_path {	1846	sub load_path {
1273	my ($self) = @_;	1847	my ($self) = @_;
1274		1848
1275	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1849	"$MAPDIR/$self->{path}.map"
1276	}	1850	}
1277		1851
1278	# the temporary/swap location	1852	# the temporary/swap location
1279	sub save_path {	1853	sub save_path {
1280	my ($self) = @_;	1854	my ($self) = @_;
1281		1855
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1856	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1283	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1857	"$TMPDIR/$path.map"
1284	}	1858	}
1285		1859
1286	# the unique path, undef == no special unique path	1860	# the unique path, undef == no special unique path
1287	sub uniq_path {	1861	sub uniq_path {
1288	my ($self) = @_;	1862	my ($self) = @_;
1289		1863
1290	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1864	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1291	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1865	"$UNIQUEDIR/$path"
1292	}	1866	}
1293		1867
1294	# and all this just because we cannot iterate over	1868	# and all this just because we cannot iterate over
1295	# all maps in C++...	1869	# all maps in C++...
1296	sub change_all_map_light {	1870	sub change_all_map_light {
…		…
1298		1872
1299	$_->change_map_light ($change)	1873	$_->change_map_light ($change)
1300	for grep $_->outdoor, values %cf::MAP;	1874	for grep $_->outdoor, values %cf::MAP;
1301	}	1875	}
1302		1876
		1877	sub decay_objects {
		1878	my ($self) = @_;
		1879
		1880	return if $self->{deny_reset};
		1881
		1882	$self->do_decay_objects;
		1883	}
		1884
1303	sub unlink_save {	1885	sub unlink_save {
1304	my ($self) = @_;	1886	my ($self) = @_;
1305		1887
1306	utf8::encode (my $save = $self->save_path);	1888	utf8::encode (my $save = $self->save_path);
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1889	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1890	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1309
1310	#d#TODO remove .map and also nuke
1311	$save =~ s/\.map// or return;#d#
1312	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1314	}	1891	}
1315		1892
1316	sub load_header_from($) {	1893	sub load_header_from($) {
1317	my ($self, $path) = @_;	1894	my ($self, $path) = @_;
1318		1895
1319	utf8::encode $path;	1896	utf8::encode $path;
1320	#aio_open $path, O_RDONLY, 0	1897	my $f = new_from_file cf::object::thawer $path
1321	# or return;
1322
1323	$self->_load_header ($path)
1324	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;
1325		1905
1326	$self->{load_path} = $path;	1906	$self->{load_path} = $path;
1327		1907
1328	1	1908	1
1329	}	1909	}
…		…
1368	$self->load_header_orig	1948	$self->load_header_orig
1369	or return;	1949	or return;
1370	$self->prepare_orig;	1950	$self->prepare_orig;
1371	}	1951	}
1372		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
1373	1	1959	1
1374	}	1960	}
1375		1961
1376	sub find;	1962	sub find;
1377	sub find {	1963	sub find {
1378	my ($path, $origin) = @_;	1964	my ($path, $origin) = @_;
1379		1965
1380	$path = normalise $path, $origin && $origin->path;	1966	$path = normalise $path, $origin && $origin->path;
1381		1967
		1968	cf::lock_wait "map_data:$path";#d#remove
1382	cf::lock_wait "map_find:$path";	1969	cf::lock_wait "map_find:$path";
1383		1970
1384	$cf::MAP{$path} || do {	1971	$cf::MAP{$path} || do {
		1972	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1385	my $guard = cf::lock_acquire "map_find:$path";	1973	my $guard2 = cf::lock_acquire "map_find:$path";
		1974
1386	my $map = new_from_path cf::map $path	1975	my $map = new_from_path cf::map $path
1387	or return;	1976	or return;
1388		1977
1389	$map->{last_save} = $cf::RUNTIME;	1978	$map->{last_save} = $cf::RUNTIME;
1390		1979
1391	$map->load_header	1980	$map->load_header
1392	or return;	1981	or return;
1393		1982
1394	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1983	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1395	# doing this can freeze the server in a sync job, obviously	1984	# doing this can freeze the server in a sync job, obviously
1396	#$cf::WAIT_FOR_TICK->wait;	1985	#$cf::WAIT_FOR_TICK->wait;
		1986	undef $guard2;
		1987	undef $guard1;
1397	$map->reset;	1988	$map->reset;
1398	undef $guard;
1399	return find $path;	1989	return find $path;
1400	}	1990	}
1401		1991
1402	$cf::MAP{$path} = $map	1992	$cf::MAP{$path} = $map
1403	}	1993	}
…		…
1410	my ($self) = @_;	2000	my ($self) = @_;
1411		2001
1412	local $self->{deny_reset} = 1; # loading can take a long time	2002	local $self->{deny_reset} = 1; # loading can take a long time
1413		2003
1414	my $path = $self->{path};	2004	my $path = $self->{path};
		2005
		2006	{
1415	my $guard = cf::lock_acquire "map_load:$path";	2007	my $guard = cf::lock_acquire "map_data:$path";
1416		2008
		2009	return unless $self->valid;
1417	return if $self->in_memory != cf::MAP_SWAPPED;	2010	return unless $self->in_memory == cf::MAP_SWAPPED;
1418		2011
1419	$self->in_memory (cf::MAP_LOADING);	2012	$self->in_memory (cf::MAP_LOADING);
1420		2013
1421	$self->alloc;	2014	$self->alloc;
1422		2015
1423	$self->pre_load;	2016	$self->pre_load;
		2017	cf::cede_to_tick;
1424		2018
1425	$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)
1426	or return;	2022	or return;
1427		2023
1428	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2024	$self->post_load_original
1429	if delete $self->{load_original};	2025	if delete $self->{load_original};
1430		2026
1431	if (my $uniq = $self->uniq_path) {	2027	if (my $uniq = $self->uniq_path) {
1432	utf8::encode $uniq;	2028	utf8::encode $uniq;
1433	if (aio_open $uniq, O_RDONLY, 0) {	2029	unless (aio_stat $uniq) {
		2030	if (my $f = new_from_file cf::object::thawer $uniq) {
1434	$self->clear_unique_items;	2031	$self->clear_unique_items;
1435	$self->_load_objects ($uniq, 0);	2032	$self->_load_objects ($f);
		2033	$f->resolve_delayed_derefs;
		2034	}
1436	}	2035	}
1437	}	2036	}
1438		2037
1439	Coro::cede;	2038	$f->resolve_delayed_derefs;
1440		2039
		2040	cf::cede_to_tick;
1441	# now do the right thing for maps	2041	# now do the right thing for maps
1442	$self->link_multipart_objects;	2042	$self->link_multipart_objects;
1443
1444	unless ($self->{deny_activate}) {
1445	$self->decay_objects;
1446	$self->fix_auto_apply;
1447	$self->update_buttons;
1448	Coro::cede;
1449	$self->set_darkness_map;
1450	$self->difficulty ($self->estimate_difficulty)	2043	$self->difficulty ($self->estimate_difficulty)
1451	unless $self->difficulty;	2044	unless $self->difficulty;
1452	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;
1453	$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);
1454	}	2061	}
1455		2062
1456	$self->post_load;	2063	$self->post_load;
1457
1458	$self->in_memory (cf::MAP_IN_MEMORY);
1459	}	2064	}
1460		2065
1461	sub customise_for {	2066	sub customise_for {
1462	my ($self, $ob) = @_;	2067	my ($self, $ob) = @_;
1463		2068
1464	return find "~" . $ob->name . "/" . $self->{path}	2069	return find "~" . $ob->name . "/" . $self->{path}
1465	if $self->per_player;	2070	if $self->per_player;
1466		2071
		2072	# return find "?party/" . $ob->name . "/" . $self->{path}
		2073	# if $self->per_party;
		2074
1467	$self	2075	$self
1468	}	2076	}
1469		2077
1470	# 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
1471	sub load_diag {	2079	sub load_neighbours {
1472	my ($map) = @_;	2080	my ($map) = @_;
1473		2081
1474	my @diag; # diagonal neighbours	2082	my @neigh; # diagonal neighbours
1475		2083
1476	for (0 .. 3) {	2084	for (0 .. 3) {
1477	my $neigh = $map->tile_path ($_)	2085	my $neigh = $map->tile_path ($_)
1478	or next;	2086	or next;
1479	$neigh = find $neigh, $map	2087	$neigh = find $neigh, $map
1480	or next;	2088	or next;
1481	$neigh->load;	2089	$neigh->load;
1482		2090
		2091	push @neigh,
1483	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2092	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1484	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2093	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1485	}	2094	}
1486		2095
1487	for (@diag) {	2096	for (grep defined $_->[0], @neigh) {
		2097	my ($path, $origin) = @$_;
1488	my $neigh = find @$_	2098	my $neigh = find $path, $origin
1489	or next;	2099	or next;
1490	$neigh->load;	2100	$neigh->load;
1491	}	2101	}
1492	}	2102	}
1493		2103
…		…
1498	}	2108	}
1499		2109
1500	sub do_load_sync {	2110	sub do_load_sync {
1501	my ($map) = @_;	2111	my ($map) = @_;
1502		2112
		2113	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2114	if $Coro::current == $Coro::main;
		2115
1503	cf::sync_job { $map->load };	2116	cf::sync_job { $map->load };
1504	}	2117	}
1505		2118
1506	our %MAP_PREFETCH;	2119	our %MAP_PREFETCH;
1507	our $MAP_PREFETCHER = undef;	2120	our $MAP_PREFETCHER = undef;
1508		2121
1509	sub find_async {	2122	sub find_async {
1510	my ($path, $origin) = @_;	2123	my ($path, $origin, $load) = @_;
1511		2124
1512	$path = normalise $path, $origin && $origin->{path};	2125	$path = normalise $path, $origin && $origin->{path};
1513		2126
1514	if (my $map = $cf::MAP{$path}) {	2127	if (my $map = $cf::MAP{$path}) {
1515	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2128	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1516	}	2129	}
1517		2130
1518	undef $MAP_PREFETCH{$path};	2131	$MAP_PREFETCH{$path} |= $load;
		2132
1519	$MAP_PREFETCHER ||= cf::async {	2133	$MAP_PREFETCHER ||= cf::async {
		2134	$Coro::current->{desc} = "map prefetcher";
		2135
1520	while (%MAP_PREFETCH) {	2136	while (%MAP_PREFETCH) {
1521	for my $path (keys %MAP_PREFETCH) {	2137	while (my ($k, $v) = each %MAP_PREFETCH) {
1522	my $map = find $path	2138	if (my $map = find $k) {
1523	or next;
1524	$map->load;	2139	$map->load if $v;
		2140	}
1525		2141
1526	delete $MAP_PREFETCH{$path};	2142	delete $MAP_PREFETCH{$k};
1527	}	2143	}
1528	}	2144	}
1529	undef $MAP_PREFETCHER;	2145	undef $MAP_PREFETCHER;
1530	};	2146	};
1531	$MAP_PREFETCHER->prio (6);	2147	$MAP_PREFETCHER->prio (6);
…		…
1534	}	2150	}
1535		2151
1536	sub save {	2152	sub save {
1537	my ($self) = @_;	2153	my ($self) = @_;
1538		2154
1539	my $lock = cf::lock_acquire "map_data:" . $self->path;	2155	my $lock = cf::lock_acquire "map_data:$self->{path}";
1540		2156
1541	$self->{last_save} = $cf::RUNTIME;	2157	$self->{last_save} = $cf::RUNTIME;
1542		2158
1543	return unless $self->dirty;	2159	return unless $self->dirty;
1544		2160
…		…
1550	return if $self->{deny_save};	2166	return if $self->{deny_save};
1551		2167
1552	local $self->{last_access} = $self->last_access;#d#	2168	local $self->{last_access} = $self->last_access;#d#
1553		2169
1554	cf::async {	2170	cf::async {
		2171	$Coro::current->{desc} = "map player save";
1555	$_->contr->save for $self->players;	2172	$_->contr->save for $self->players;
1556	};	2173	};
		2174
		2175	cf::get_slot 0.02;
1557		2176
1558	if ($uniq) {	2177	if ($uniq) {
1559	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2178	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1560	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2179	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1561	} else {	2180	} else {
…		…
1567	my ($self) = @_;	2186	my ($self) = @_;
1568		2187
1569	# save first because save cedes	2188	# save first because save cedes
1570	$self->save;	2189	$self->save;
1571		2190
1572	my $lock = cf::lock_acquire "map_data:" . $self->path;	2191	my $lock = cf::lock_acquire "map_data:$self->{path}";
1573		2192
1574	return if $self->players;	2193	return if $self->players;
1575	return if $self->in_memory != cf::MAP_IN_MEMORY;	2194	return if $self->in_memory != cf::MAP_ACTIVE;
1576	return if $self->{deny_save};	2195	return if $self->{deny_save};
1577		2196
		2197	$self->in_memory (cf::MAP_SWAPPED);
		2198
		2199	$self->deactivate;
		2200	$_->clear_links_to ($self) for values %cf::MAP;
1578	$self->clear;	2201	$self->clear;
1579	$self->in_memory (cf::MAP_SWAPPED);
1580	}	2202	}
1581		2203
1582	sub reset_at {	2204	sub reset_at {
1583	my ($self) = @_;	2205	my ($self) = @_;
1584		2206
1585	# TODO: safety, remove and allow resettable per-player maps	2207	# TODO: safety, remove and allow resettable per-player maps
1586	return 1e99 if $self->isa ("ext::map_per_player");#d#
1587	return 1e99 if $self->{deny_reset};	2208	return 1e99 if $self->{deny_reset};
1588		2209
1589	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2210	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1590	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;
1591		2212
…		…
1602	my ($self) = @_;	2223	my ($self) = @_;
1603		2224
1604	my $lock = cf::lock_acquire "map_data:$self->{path}";	2225	my $lock = cf::lock_acquire "map_data:$self->{path}";
1605		2226
1606	return if $self->players;	2227	return if $self->players;
1607	return if $self->isa ("ext::map_per_player");#d#
1608		2228
1609	warn "resetting map ", $self->path;#d#	2229	warn "resetting map ", $self->path;
		2230
		2231	$self->in_memory (cf::MAP_SWAPPED);
		2232
		2233	# need to save uniques path
		2234	unless ($self->{deny_save}) {
		2235	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2236
		2237	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2238	if $uniq;
		2239	}
1610		2240
1611	delete $cf::MAP{$self->path};	2241	delete $cf::MAP{$self->path};
1612		2242
1613	$self->in_memory (cf::MAP_SWAPPED);	2243	$self->deactivate;
		2244	$_->clear_links_to ($self) for values %cf::MAP;
1614	$self->clear;	2245	$self->clear;
1615
1616	$_->clear_links_to ($self) for values %cf::MAP;
1617		2246
1618	$self->unlink_save;	2247	$self->unlink_save;
1619	$self->destroy;	2248	$self->destroy;
1620	}	2249	}
1621		2250
1622	my $nuke_counter = "aaaa";	2251	my $nuke_counter = "aaaa";
1623		2252
1624	sub nuke {	2253	sub nuke {
1625	my ($self) = @_;	2254	my ($self) = @_;
1626		2255
		2256	{
		2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2258
1627	delete $cf::MAP{$self->path};	2259	delete $cf::MAP{$self->path};
1628		2260
1629	$self->unlink_save;	2261	$self->unlink_save;
1630		2262
1631	bless $self, "cf::map";	2263	bless $self, "cf::map";
1632	delete $self->{deny_reset};	2264	delete $self->{deny_reset};
1633	$self->{deny_save} = 1;	2265	$self->{deny_save} = 1;
1634	$self->reset_timeout (1);	2266	$self->reset_timeout (1);
1635	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2267	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1636		2268
1637	$cf::MAP{$self->path} = $self;	2269	$cf::MAP{$self->path} = $self;
		2270	}
1638		2271
1639	$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	]
1640	}	2309	}
1641		2310
1642	=item cf::map::unique_maps	2311	=item cf::map::unique_maps
1643		2312
1644	Returns an arrayref of paths of all shared maps that have	2313	Returns an arrayref of paths of all shared maps that have
1645	instantiated unique items. May block.	2314	instantiated unique items. May block.
1646		2315
1647	=cut	2316	=cut
1648		2317
1649	sub unique_maps() {	2318	sub unique_maps() {
1650	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2319	[
1651	or return;	2320	map {
1652
1653	my @paths;
1654
1655	for (@$files) {
1656	utf8::decode $_;	2321	utf8::decode $_;
1657	next if /\.pst$/;	2322	s/\.map$//; # TODO future compatibility hack
1658	next unless /^$PATH_SEP/o;	2323	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1659		2324	? ()
1660	push @paths, cf::map::normalise $_;	2325	: normalise $_
		2326	} @{ aio_readdir $UNIQUEDIR or [] }
1661	}	2327	]
1662
1663	\@paths
1664	}	2328	}
1665
1666	package cf;
1667		2329
1668	=back	2330	=back
1669		2331
1670	=head3 cf::object	2332	=head3 cf::object
1671		2333
…		…
1675		2337
1676	=over 4	2338	=over 4
1677		2339
1678	=item $ob->inv_recursive	2340	=item $ob->inv_recursive
1679		2341
1680	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.
1681		2344
1682	=cut	2345	=cut
1683		2346
1684	sub inv_recursive_;	2347	sub inv_recursive_;
1685	sub inv_recursive_ {	2348	sub inv_recursive_ {
…		…
1688		2351
1689	sub inv_recursive {	2352	sub inv_recursive {
1690	inv_recursive_ inv $_[0]	2353	inv_recursive_ inv $_[0]
1691	}	2354	}
1692		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
1693	package cf;	2384	package cf;
1694		2385
1695	=back	2386	=back
1696		2387
1697	=head3 cf::object::player	2388	=head3 cf::object::player
…		…
1703	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>
1704	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
1705	dialogue with the given NPC character.	2396	dialogue with the given NPC character.
1706		2397
1707	=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	};
1708		2413
1709	# rough implementation of a future "reply" method that works	2414	# rough implementation of a future "reply" method that works
1710	# with dialog boxes.	2415	# with dialog boxes.
1711	#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
1712	sub cf::object::player::reply($$$;$) {	2417	sub cf::object::player::reply($$$;$) {
…		…
1714		2419
1715	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2420	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1716		2421
1717	if ($self->{record_replies}) {	2422	if ($self->{record_replies}) {
1718	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2423	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2424
1719	} 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 {
1720	$msg = $npc->name . " says: $msg" if $npc;	2433	$msg = $npc->name . " says: $msg" if $npc;
1721	$self->message ($msg, $flags);	2434	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2435	}
1722	}	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 (@_);
1723	}	2447	}
1724		2448
1725	=item $player_object->may ("access")	2449	=item $player_object->may ("access")
1726		2450
1727	Returns wether the given player is authorized to access resource "access"	2451	Returns wether the given player is authorized to access resource "access"
…		…
1740		2464
1741	=item $player_object->enter_link	2465	=item $player_object->enter_link
1742		2466
1743	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}>).
1744		2468
1745	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.
1746	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.
1747		2473
1748	Will never block.	2474	Will never block.
1749		2475
1750	=item $player_object->leave_link ($map, $x, $y)	2476	=item $player_object->leave_link ($map, $x, $y)
1751		2477
…		…
1774	$self->deactivate_recursive;	2500	$self->deactivate_recursive;
1775		2501
1776	return if UNIVERSAL::isa $self->map, "ext::map_link";	2502	return if UNIVERSAL::isa $self->map, "ext::map_link";
1777		2503
1778	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2504	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1779	if $self->map;	2505	if $self->map && $self->map->{path} ne "{link}";
1780		2506
1781	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2507	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1782	}	2508	}
1783		2509
1784	sub cf::object::player::leave_link {	2510	sub cf::object::player::leave_link {
1785	my ($self, $map, $x, $y) = @_;	2511	my ($self, $map, $x, $y) = @_;
		2512
		2513	return unless $self->contr->active;
1786		2514
1787	my $link_pos = delete $self->{_link_pos};	2515	my $link_pos = delete $self->{_link_pos};
1788		2516
1789	unless ($map) {	2517	unless ($map) {
1790	# restore original map position	2518	# restore original map position
…		…
1804	# use -1 or undef as default coordinates, not 0, 0	2532	# use -1 or undef as default coordinates, not 0, 0
1805	($x, $y) = ($map->enter_x, $map->enter_y)	2533	($x, $y) = ($map->enter_x, $map->enter_y)
1806	if $x <=0 && $y <= 0;	2534	if $x <=0 && $y <= 0;
1807		2535
1808	$map->load;	2536	$map->load;
1809	$map->load_diag;	2537	$map->load_neighbours;
1810		2538
1811	return unless $self->contr->active;	2539	return unless $self->contr->active;
		2540	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1812	$self->activate_recursive;	2541	$self->activate_recursive;
		2542
		2543	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1813	$self->enter_map ($map, $x, $y);	2544	$self->enter_map ($map, $x, $y);
1814	}	2545	}
1815		2546
1816	cf::player->attach (	2547	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1817	on_logout => sub {
1818	my ($pl) = @_;
1819		2548
1820	# abort map switching before logout	2549	Moves the player to the given map-path and coordinates by first freezing
1821	if ($pl->ob->{_link_pos}) {	2550	her, loading and preparing them map, calling the provided $check callback
1822	cf::sync_job {	2551	that has to return the map if sucecssful, and then unfreezes the player on
1823	$pl->ob->leave_link	2552	the new (success) or old (failed) map position. In either case, $done will
1824	};	2553	be called at the end of this process.
1825	}
1826	},
1827	on_login => sub {
1828	my ($pl) = @_;
1829		2554
1830	# try to abort aborted map switching on player login :)	2555	Note that $check will be called with a potentially non-loaded map, so if
1831	# should happen only on crashes	2556	it needs a loaded map it has to call C<< ->load >>.
1832	if ($pl->ob->{_link_pos}) {
1833	$pl->ob->enter_link;
1834	(async {
1835	# we need this sleep as the login has a concurrent enter_exit running
1836	# and this sleep increases chances of the player not ending up in scorn
1837	$pl->ob->reply (undef,
1838	"There was an internal problem at your last logout, "
1839	. "the server will try to bring you to your intended destination in a second.",
1840	cf::NDI_RED);
1841	Coro::Timer::sleep 1;
1842	$pl->ob->leave_link;
1843	})->prio (2);
1844	}
1845	},
1846	);
1847		2557
1848	=item $player_object->goto ($path, $x, $y)
1849
1850	=cut	2558	=cut
		2559
		2560	our $GOTOGEN;
1851		2561
1852	sub cf::object::player::goto {	2562	sub cf::object::player::goto {
1853	my ($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;
1854		2567
1855	$self->enter_link;	2568	$self->enter_link;
1856		2569
1857	(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
1858	my $map = eval {	2592	my $map = eval {
1859	my $map = cf::map::find $path;	2593	my $map = defined $path ? cf::map::find $path : undef;
		2594
		2595	if ($map) {
1860	$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
1861	$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 $@;
1862	} or	2608	}
1863	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1864		2609
		2610	if ($gen == $self->{_goto_generation}) {
		2611	delete $self->{_goto_generation};
1865	$self->leave_link ($map, $x, $y);	2612	$self->leave_link ($map, $x, $y);
		2613	}
		2614
		2615	$done->() if $done;
1866	})->prio (1);	2616	})->prio (1);
1867	}	2617	}
1868		2618
1869	=item $player_object->enter_exit ($exit_object)	2619	=item $player_object->enter_exit ($exit_object)
1870		2620
…		…
1890	}	2640	}
1891		2641
1892	sub prepare_random_map {	2642	sub prepare_random_map {
1893	my ($exit) = @_;	2643	my ($exit) = @_;
1894		2644
1895	my $guard = cf::lock_acquire "exit_prepare:$exit";
1896
1897	# all this does is basically replace the /! path by	2645	# all this does is basically replace the /! path by
1898	# a new random map path (?random/...) with a seed	2646	# a new random map path (?random/...) with a seed
1899	# that depends on the exit object	2647	# that depends on the exit object
1900		2648
1901	my $rmp = parse_random_map_params $exit->msg;	2649	my $rmp = parse_random_map_params $exit->msg;
…		…
1903	if ($exit->map) {	2651	if ($exit->map) {
1904	$rmp->{region} = $exit->region->name;	2652	$rmp->{region} = $exit->region->name;
1905	$rmp->{origin_map} = $exit->map->path;	2653	$rmp->{origin_map} = $exit->map->path;
1906	$rmp->{origin_x} = $exit->x;	2654	$rmp->{origin_x} = $exit->x;
1907	$rmp->{origin_y} = $exit->y;	2655	$rmp->{origin_y} = $exit->y;
		2656
		2657	$exit->map->touch;
1908	}	2658	}
1909		2659
1910	$rmp->{random_seed} ||= $exit->random_seed;	2660	$rmp->{random_seed} ||= $exit->random_seed;
1911		2661
1912	my $data = cf::to_json $rmp;	2662	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1913	my $md5 = Digest::MD5::md5_hex $data;	2663	my $md5 = Digest::MD5::md5_hex $data;
1914	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2664	my $meta = "$RANDOMDIR/$md5.meta";
1915		2665
1916	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2666	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1917	aio_write $fh, 0, (length $data), $data, 0;	2667	aio_write $fh, 0, (length $data), $data, 0;
1918	undef $fh;	2668	undef $fh;
1919	aio_rename "$meta~", $meta;	2669	aio_rename "$meta~", $meta;
1920		2670
		2671	my $slaying = "?random/$md5";
		2672
		2673	if ($exit->valid) {
1921	$exit->slaying ("?random/$md5");	2674	$exit->slaying ("?random/$md5");
1922	$exit->msg (undef);	2675	$exit->msg (undef);
		2676	}
1923	}	2677	}
1924	}	2678	}
1925		2679
1926	sub cf::object::player::enter_exit {	2680	sub cf::object::player::enter_exit {
1927	my ($self, $exit) = @_;	2681	my ($self, $exit) = @_;
1928		2682
1929	return unless $self->type == cf::PLAYER;	2683	return unless $self->type == cf::PLAYER;
1930		2684
1931	if ($exit->slaying eq "/!") {
1932	#TODO: this should de-fi-ni-te-ly not be a sync-job
1933	cf::sync_job { prepare_random_map $exit };
1934	}
1935
1936	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1937	my $hp = $exit->stats->hp;
1938	my $sp = $exit->stats->sp;
1939
1940	$self->enter_link;	2685	$self->enter_link;
1941		2686
1942	(async {	2687	(async {
1943	$self->deactivate_recursive; # just to be sure	2688	$Coro::current->{desc} = "enter_exit";
		2689
1944	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
1945	$self->goto ($slaying, $hp, $sp);	2705	$self->goto ($map, $x, $y);
1946		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
1947	1;	2711	1
1948	}) {	2712	}) {
1949	$self->message ("Something went wrong deep within the crossfire server. "	2713	$self->message ("Something went wrong deep within the deliantra server. "
1950	. "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. "
1951	. "Please report this to the dungeon master!",	2715	. "Please report this to the dungeon master!",
1952	cf::NDI_UNIQUE | cf::NDI_RED);	2716	cf::NDI_UNIQUE | cf::NDI_RED);
1953		2717
1954	warn "ERROR in enter_exit: $@";	2718	warn "ERROR in enter_exit: $@";
1955	$self->leave_link;	2719	$self->leave_link;
1956	}	2720	}
1957	})->prio (1);	2721	})->prio (1);
…		…
1970		2734
1971	sub cf::client::send_drawinfo {	2735	sub cf::client::send_drawinfo {
1972	my ($self, $text, $flags) = @_;	2736	my ($self, $text, $flags) = @_;
1973		2737
1974	utf8::encode $text;	2738	utf8::encode $text;
1975	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1976	}	2740	}
1977		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	}
1978		2921
1979	=item $success = $client->query ($flags, "text", \&cb)	2922	=item $success = $client->query ($flags, "text", \&cb)
1980		2923
1981	Queues a query to the client, calling the given callback with	2924	Queues a query to the client, calling the given callback with
1982	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>,
1983	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>.
1984		2927
1985	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
1986	reliable at some point in the future.	2929	become reliable at some point in the future.
1987		2930
1988	=cut	2931	=cut
1989		2932
1990	sub cf::client::query {	2933	sub cf::client::query {
1991	my ($self, $flags, $text, $cb) = @_;	2934	my ($self, $flags, $text, $cb) = @_;
…		…
1999	utf8::encode $text;	2942	utf8::encode $text;
2000	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2943	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2001		2944
2002	$self->send_packet ($self->{query_queue}[0][0])	2945	$self->send_packet ($self->{query_queue}[0][0])
2003	if @{ $self->{query_queue} } == 1;	2946	if @{ $self->{query_queue} } == 1;
		2947
		2948	1
2004	}	2949	}
2005		2950
2006	cf::client->attach (	2951	cf::client->attach (
		2952	on_connect => sub {
		2953	my ($ns) = @_;
		2954
		2955	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2956	},
2007	on_reply => sub {	2957	on_reply => sub {
2008	my ($ns, $msg) = @_;	2958	my ($ns, $msg) = @_;
2009		2959
2010	# this weird shuffling is so that direct followup queries	2960	# this weird shuffling is so that direct followup queries
2011	# get handled first	2961	# get handled first
…		…
2023	} else {	2973	} else {
2024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2974	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2025	}	2975	}
2026	}	2976	}
2027	},	2977	},
		2978	on_exticmd => sub {
		2979	my ($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	},
2028	);	3004	);
2029		3005
2030	=item $client->async (\&cb)	3006	=item $client->async (\&cb)
2031		3007
2032	Create a new coroutine, running the specified callback. The coroutine will	3008	Create a new coroutine, running the specified callback. The coroutine will
…		…
2073	our $safe = new Safe "safe";	3049	our $safe = new Safe "safe";
2074	our $safe_hole = new Safe::Hole;	3050	our $safe_hole = new Safe::Hole;
2075		3051
2076	$SIG{FPE} = 'IGNORE';	3052	$SIG{FPE} = 'IGNORE';
2077		3053
2078	$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	));
2079		3059
2080	# here we export the classes and methods available to script code	3060	# here we export the classes and methods available to script code
2081		3061
2082	=pod	3062	=pod
2083		3063
2084	The following fucntions and emthods are available within a safe environment:	3064	The following functions and methods are available within a safe environment:
2085		3065
2086	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
2087	cf::object::player player	3070	cf::object::player
2088	cf::player peaceful	3071	player
2089	cf::map trigger	3072
		3073	cf::player
		3074	peaceful
		3075
		3076	cf::map
		3077	trigger
2090		3078
2091	=cut	3079	=cut
2092		3080
2093	for (	3081	for (
2094	["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)],
2095	["cf::object::player" => qw(player)],	3085	["cf::object::player" => qw(player)],
2096	["cf::player" => qw(peaceful)],	3086	["cf::player" => qw(peaceful)],
2097	["cf::map" => qw(trigger)],	3087	["cf::map" => qw(trigger)],
2098	) {	3088	) {
2099	no strict 'refs';	3089	no strict 'refs';
…		…
2170	=back	3160	=back
2171		3161
2172	=cut	3162	=cut
2173		3163
2174	#############################################################################	3164	#############################################################################
2175
2176	=head2 EXTENSION DATABASE SUPPORT
2177
2178	Crossfire maintains a very simple database for extension use. It can
2179	currently store anything that can be serialised using Storable, which
2180	excludes objects.
2181
2182	The parameter C<$family> should best start with the name of the extension
2183	using it, it should be unique.
2184
2185	=over 4
2186
2187	=item $hashref = cf::db_get $family
2188
2189	Return a hashref for use by the extension C<$family>, which can be
2190	modified. After modifications, you have to call C<cf::db_dirty> or
2191	C<cf::db_sync>.
2192
2193	=item $value = cf::db_get $family => $key
2194
2195	Returns a single value from the database
2196
2197	=item cf::db_put $family => $hashref
2198
2199	Stores the given family hashref into the database. Updates are delayed, if
2200	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2201
2202	=item cf::db_put $family => $key => $value
2203
2204	Stores the given C<$value> in the family hash. Updates are delayed, if you
2205	want the data to be synced to disk immediately, use C<cf::db_sync>.
2206
2207	=item cf::db_dirty
2208
2209	Marks the database as dirty, to be updated at a later time.
2210
2211	=item cf::db_sync
2212
2213	Immediately write the database to disk I<if it is dirty>.
2214
2215	=cut
2216
2217	our $DB;
2218
2219	{
2220	my $path = cf::localdir . "/database.pst";
2221
2222	sub db_load() {
2223	$DB = stat $path ? Storable::retrieve $path : { };
2224	}
2225
2226	my $pid;
2227
2228	sub db_save() {
2229	waitpid $pid, 0 if $pid;
2230	if (0 == ($pid = fork)) {
2231	$DB->{_meta}{version} = 1;
2232	Storable::nstore $DB, "$path~";
2233	rename "$path~", $path;
2234	cf::_exit 0 if defined $pid;
2235	}
2236	}
2237
2238	my $dirty;
2239
2240	sub db_sync() {
2241	db_save if $dirty;
2242	undef $dirty;
2243	}
2244
2245	my $idle = Event->idle (
2246	reentrant => 0,
2247	min => 10,
2248	max => 20,
2249	repeat => 0,
2250	data => WF_AUTOCANCEL,
2251	cb => \&db_sync,
2252	);
2253
2254	sub db_dirty() {
2255	$dirty = 1;
2256	$idle->start;
2257	}
2258
2259	sub db_get($;$) {
2260	@_ >= 2
2261	? $DB->{$_[0]}{$_[1]}
2262	: ($DB->{$_[0]} ||= { })
2263	}
2264
2265	sub db_put($$;$) {
2266	if (@_ >= 3) {
2267	$DB->{$_[0]}{$_[1]} = $_[2];
2268	} else {
2269	$DB->{$_[0]} = $_[1];
2270	}
2271	db_dirty;
2272	}
2273
2274	cf::global->attach (
2275	prio => 10000,
2276	on_cleanup => sub {
2277	db_sync;
2278	},
2279	);
2280	}
2281
2282	#############################################################################
2283	# the server's init and main functions	3165	# the server's init and main functions
2284		3166
		3167	sub load_facedata($) {
		3168	my ($path) = @_;
		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
		3176	warn "loading facedata from $path\n";
		3177
		3178	my $facedata;
		3179	0 < aio_load $path, $facedata
		3180	or die "$path: $!";
		3181
		3182	$facedata = Coro::Storable::thaw $facedata;
		3183
		3184	$facedata->{version} == 2
		3185	or cf::cleanup "$path: version mismatch, cannot proceed.";
		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
		3197	while (my ($face, $info) = each %$faces) {
		3198	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3199
		3200	cf::face::set_visibility $idx, $info->{visibility};
		3201	cf::face::set_magicmap $idx, $info->{magicmap};
		3202	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3203	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3204
		3205	cf::cede_to_tick;
		3206	}
		3207
		3208	while (my ($face, $info) = each %$faces) {
		3209	next unless $info->{smooth};
		3210
		3211	my $idx = cf::face::find $face
		3212	or next;
		3213
		3214	if (my $smooth = cf::face::find $info->{smooth}) {
		3215	cf::face::set_smooth $idx, $smooth;
		3216	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3217	} else {
		3218	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		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);
		3270
		3271	1
		3272	}
		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
2285	sub load_resources {	3302	sub load_resource_file($) {
2286	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	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"
2287	or die "unable to load regions file\n";#d#	3318	or die "unable to load regions file\n";
2288	}
2289		3319
2290	sub cfg_load {	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
		3341	sub reload_resources {
		3342	warn "reloading resource files...\n";
		3343
		3344	reload_facedata;
		3345	reload_archetypes;
		3346	reload_regions;
		3347	reload_treasures;
		3348
		3349	warn "finished reloading resource files\n";
		3350	}
		3351
		3352	sub init {
		3353	my $guard = freeze_mainloop;
		3354
		3355	evthread_start IO::AIO::poll_fileno;
		3356
		3357	reload_resources;
		3358	}
		3359
		3360	sub reload_config {
2291	open my $fh, "<:utf8", cf::confdir . "/config"	3361	open my $fh, "<:utf8", "$CONFDIR/config"
2292	or return;	3362	or return;
2293		3363
2294	local $/;	3364	local $/;
2295	*CFG = YAML::Syck::Load <$fh>;	3365	*CFG = YAML::Load <$fh>;
2296		3366
2297	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3367	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2298		3368
2299	$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};
2300	$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};
…		…
2306	};	3376	};
2307	warn $@ if $@;	3377	warn $@ if $@;
2308	}	3378	}
2309	}	3379	}
2310		3380
2311	sub init {	3381	sub pidfile() {
2312	load_resources;	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 $$;
2313	}	3398	}
2314		3399
2315	sub main {	3400	sub main {
		3401	atomic;
		3402
2316	# we must not ever block the main coroutine	3403	# we must not ever block the main coroutine
2317	local $Coro::idle = sub {	3404	local $Coro::idle = sub {
2318	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#
2319	(async {	3406	(async {
2320	Event::one_event;	3407	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3408	EV::loop EV::LOOP_ONESHOT;
2321	})->prio (Coro::PRIO_MAX);	3409	})->prio (Coro::PRIO_MAX);
2322	};	3410	};
2323		3411
2324	cfg_load;	3412	{
2325	db_load;	3413	my $guard = freeze_mainloop;
		3414	reload_config;
		3415	db_init;
2326	load_extensions;	3416	load_extensions;
2327		3417
2328	$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
2329	Event::loop;	3426	EV::loop;
2330	}	3427	}
2331		3428
2332	#############################################################################	3429	#############################################################################
2333	# initialisation and cleanup	3430	# initialisation and cleanup
2334		3431
2335	# install some emergency cleanup handlers	3432	# install some emergency cleanup handlers
2336	BEGIN {	3433	BEGIN {
		3434	our %SIGWATCHER = ();
2337	for my $signal (qw(INT HUP TERM)) {	3435	for my $signal (qw(INT HUP TERM)) {
2338	Event->signal (	3436	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2339	reentrant => 0,
2340	data => WF_AUTOCANCEL,
2341	signal => $signal,
2342	prio => 0,
2343	cb => sub {
2344	cf::cleanup "SIG$signal";	3437	cf::cleanup "SIG$signal";
2345	},
2346	);	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
2347	}	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($$) {
		3515	my ($skip, $sync) = @_;
		3516
		3517	$sync ? write_uuid_sync $skip
		3518	: async { write_uuid_sync $skip };
2348	}	3519	}
2349		3520
2350	sub emergency_save() {	3521	sub emergency_save() {
2351	my $freeze_guard = cf::freeze_mainloop;	3522	my $freeze_guard = cf::freeze_mainloop;
2352		3523
…		…
2358	# and maps saved/destroyed asynchronously.	3529	# and maps saved/destroyed asynchronously.
2359	warn "begin emergency player save\n";	3530	warn "begin emergency player save\n";
2360	for my $login (keys %cf::PLAYER) {	3531	for my $login (keys %cf::PLAYER) {
2361	my $pl = $cf::PLAYER{$login} or next;	3532	my $pl = $cf::PLAYER{$login} or next;
2362	$pl->valid or next;	3533	$pl->valid or next;
		3534	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2363	$pl->save;	3535	$pl->save;
2364	}	3536	}
2365	warn "end emergency player save\n";	3537	warn "end emergency player save\n";
2366		3538
2367	warn "begin emergency map save\n";	3539	warn "begin emergency map save\n";
…		…
2369	my $map = $cf::MAP{$path} or next;	3541	my $map = $cf::MAP{$path} or next;
2370	$map->valid or next;	3542	$map->valid or next;
2371	$map->save;	3543	$map->save;
2372	}	3544	}
2373	warn "end emergency map save\n";	3545	warn "end emergency map save\n";
		3546
		3547	warn "begin emergency database checkpoint\n";
		3548	BDB::db_env_txn_checkpoint $DB_ENV;
		3549	warn "end emergency database checkpoint\n";
		3550
		3551	warn "begin write uuid\n";
		3552	write_uuid_sync 1;
		3553	warn "end write uuid\n";
2374	};	3554	};
2375		3555
2376	warn "leave emergency perl save\n";	3556	warn "leave emergency perl save\n";
2377	}	3557	}
2378		3558
		3559	sub post_cleanup {
		3560	my ($make_core) = @_;
		3561
		3562	warn Carp::longmess "post_cleanup backtrace"
		3563	if $make_core;
		3564
		3565	my $fh = pidfile;
		3566	unlink $PIDFILE if <$fh> == $$;
		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 $RELOAD; # how many times to reload
		3596
2379	sub reload() {	3597	sub do_reload_perl() {
2380	# can/must only be called in main	3598	# can/must only be called in main
2381	if ($Coro::current != $Coro::main) {	3599	if ($Coro::current != $Coro::main) {
2382	warn "can only reload from main coroutine";	3600	warn "can only reload from main coroutine";
2383	return;	3601	return;
2384	}	3602	}
2385		3603
		3604	return if $RELOAD++;
		3605
		3606	while ($RELOAD) {
2386	warn "reloading...";	3607	warn "reloading...";
2387		3608
2388	warn "cancelling server ticker";	3609	warn "entering sync_job";
2389	$TICK_WATCHER->cancel;
2390		3610
		3611	cf::sync_job {
		3612	cf::write_runtime_sync; # external watchdog should not bark
2391	cf::emergency_save;	3613	cf::emergency_save;
		3614	cf::write_runtime_sync; # external watchdog should not bark
2392		3615
2393	eval {	3616	warn "syncing database to disk";
		3617	BDB::db_env_txn_checkpoint $DB_ENV;
		3618
2394	# 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
2395		3620
2396	warn "syncing database to disk";
2397	cf::db_sync;
2398
2399	warn "cancelling all WF_AUTOCANCEL watchers";
2400	for (Event::all_watchers) {
2401	$_->cancel if $_->data & WF_AUTOCANCEL;
2402	}
2403
2404	warn "flushing outstanding aio requests";	3621	warn "flushing outstanding aio requests";
2405	for (;;) {	3622	while (IO::AIO::nreqs || BDB::nreqs) {
2406	IO::AIO::flush;	3623	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2407	Coro::cede;
2408	last unless IO::AIO::nreqs;
2409	warn "iterate...";
2410	}
2411
2412	warn "cancelling all extension coros";
2413	$_->cancel for values %EXT_CORO;
2414	%EXT_CORO = ();
2415
2416	warn "removing commands";
2417	%COMMAND = ();
2418
2419	warn "removing ext commands";
2420	%EXTCMD = ();
2421
2422	warn "unloading/nuking all extensions";
2423	for my $pkg (@EXTS) {
2424	warn "... unloading $pkg";
2425
2426	if (my $cb = $pkg->can ("unload")) {
2427	eval {
2428	$cb->($pkg);
2429	1
2430	} or warn "$pkg unloaded, but with errors: $@";
2431	}	3624	}
2432		3625
2433	warn "... nuking $pkg";	3626	warn "cancelling all extension coros";
2434	Symbol::delete_package $pkg;	3627	$_->cancel for values %EXT_CORO;
2435	}	3628	%EXT_CORO = ();
2436		3629
2437	warn "unloading all perl modules loaded from $LIBDIR";	3630	warn "removing commands";
2438	while (my ($k, $v) = each %INC) {	3631	%COMMAND = ();
2439	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2440		3632
		3633	warn "removing ext/exti commands";
		3634	%EXTCMD = ();
		3635	%EXTICMD = ();
		3636
		3637	warn "unloading/nuking all extensions";
		3638	for my $pkg (@EXTS) {
2441	warn "... unloading $k";	3639	warn "... unloading $pkg";
2442	delete $INC{$k};
2443		3640
2444	$k =~ s/\.pm$//;
2445	$k =~ s/\//::/g;
2446
2447	if (my $cb = $k->can ("unload_module")) {	3641	if (my $cb = $pkg->can ("unload")) {
		3642	eval {
2448	$cb->();	3643	$cb->($pkg);
		3644	1
		3645	} or warn "$pkg unloaded, but with errors: $@";
		3646	}
		3647
		3648	warn "... clearing $pkg";
		3649	clear_package $pkg;
2449	}	3650	}
2450		3651
2451	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 $k;
2452	}	3667	}
2453		3668
2454	warn "getting rid of safe::, as good as possible";	3669	warn "getting rid of safe::, as good as possible";
2455	Symbol::delete_package "safe::$_"	3670	clear_package "safe::$_"
2456	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);
2457		3672
2458	warn "unloading cf.pm \"a bit\"";	3673	warn "unloading cf.pm \"a bit\"";
2459	delete $INC{"cf.pm"};	3674	delete $INC{"cf.pm"};
		3675	delete $INC{"cf/pod.pm"};
2460		3676
2461	# don't, removes xs symbols, too,	3677	# don't, removes xs symbols, too,
2462	# and global variables created in xs	3678	# and global variables created in xs
2463	#Symbol::delete_package __PACKAGE__;	3679	#clear_package __PACKAGE__;
2464		3680
2465	warn "unload completed, starting to reload now";	3681	warn "unload completed, starting to reload now";
2466		3682
2467	warn "reloading cf.pm";	3683	warn "reloading cf.pm";
2468	require cf;	3684	require cf;
2469	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3685	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2470		3686
2471	warn "loading config and database again";	3687	warn "loading config and database again";
2472	cf::cfg_load;	3688	cf::reload_config;
2473	cf::db_load;
2474		3689
2475	warn "loading extensions";	3690	warn "loading extensions";
2476	cf::load_extensions;	3691	cf::load_extensions;
2477		3692
2478	warn "reattaching attachments to objects/players";	3693	warn "reattaching attachments to objects/players";
2479	_global_reattach;	3694	_global_reattach; # objects, sockets
2480	warn "reattaching attachments to maps";	3695	warn "reattaching attachments to maps";
2481	reattach $_ for values %MAP;	3696	reattach $_ for values %MAP;
		3697	warn "reattaching attachments to players";
		3698	reattach $_ for values %PLAYER;
2482		3699
2483	warn "loading reloadable resources";	3700	warn "leaving sync_job";
2484	load_resources;
2485		3701
2486	warn "restarting server ticker";	3702	1
		3703	} or do {
		3704	warn $@;
		3705	cf::cleanup "error while reloading, exiting.";
		3706	};
2487		3707
2488	$TICK_WATCHER->start;	3708	warn "reloaded";
		3709	--$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 $RELOAD_WATCHER;
2489	};	3722	};
2490		3723	}
2491	if ($@) {
2492	warn $@;
2493	warn "error while reloading, exiting.";
2494	exit 1;
2495	}
2496
2497	warn "reloaded";
2498	};
2499
2500	our $RELOAD_WATCHER; # used only during reload
2501		3724
2502	register_command "reload" => sub {	3725	register_command "reload" => sub {
2503	my ($who, $arg) = @_;	3726	my ($who, $arg) = @_;
2504		3727
2505	if ($who->flag (FLAG_WIZ)) {	3728	if ($who->flag (FLAG_WIZ)) {
2506	$who->message ("reloading server.");	3729	$who->message ("reloading server.");
2507		3730	async {
2508	# doing reload synchronously and two reloads happen back-to-back,	3731	$Coro::current->{desc} = "perl_reload";
2509	# coro crashes during coro_state_free->destroy here.
2510
2511	$RELOAD_WATCHER ||= Event->timer (
2512	reentrant => 0,
2513	after => 0,
2514	data => WF_AUTOCANCEL,
2515	cb => sub {
2516	reload;	3732	reload_perl;
2517	undef $RELOAD_WATCHER;
2518	},
2519	);	3733	};
2520	}	3734	}
2521	};	3735	};
2522		3736
2523	unshift @INC, $LIBDIR;	3737	unshift @INC, $LIBDIR;
2524		3738
2525	my $bug_warning = 0;	3739	my $bug_warning = 0;
2526		3740
2527	$TICK_WATCHER = Event->timer (	3741	our @WAIT_FOR_TICK;
2528	reentrant => 0,	3742	our @WAIT_FOR_TICK_BEGIN;
2529	parked => 1,	3743
2530	prio => 0,	3744	sub wait_for_tick {
2531	at => $NEXT_TICK || $TICK,	3745	return if tick_inhibit || $Coro::current == $Coro::main;
2532	data => WF_AUTOCANCEL,	3746
2533	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	$signal->wait;
		3758	}
		3759
		3760	sub tick {
2534	if ($Coro::current != $Coro::main) {	3761	if ($Coro::current != $Coro::main) {
2535	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3762	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2536	unless ++$bug_warning > 10;	3763	unless ++$bug_warning > 10;
2537	return;	3764	return;
2538	}	3765	}
2539		3766
2540	$NOW = Event::time;
2541
2542	cf::server_tick; # one server iteration	3767	cf::server_tick; # one server iteration
2543	$RUNTIME += $TICK;
2544	$NEXT_TICK += $TICK;
2545		3768
2546	$WAIT_FOR_TICK->broadcast;	3769	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2547	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3770	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3771	Coro::async_pool {
		3772	$Coro::current->{desc} = "runtime saver";
		3773	write_runtime_sync
		3774	or warn "ERROR: unable to write runtime file: $!";
		3775	};
		3776	}
2548		3777
2549	Event::sweep;	3778	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2550	Coro::cede_notself;	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#
2551		3793	}
2552	# my $AFTER = Event::time;
2553	# warn $AFTER - $NOW;#d#
2554
2555	# if we are delayed by four ticks or more, skip them all
2556	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2557
2558	$TICK_WATCHER->at ($NEXT_TICK);
2559	$TICK_WATCHER->start;
2560	},	3794	}
2561	);	3795	}
2562		3796
2563	{	3797	{
2564	BDB::max_poll_time $TICK * 0.1;	3798	# configure BDB
2565	$BDB_POLL_WATCHER = Event->io (	3799
2566	reentrant => 0,
2567	fd => BDB::poll_fileno,
2568	poll => 'r',
2569	prio => 0,
2570	data => WF_AUTOCANCEL,
2571	cb => \&BDB::poll_cb,
2572	);
2573	BDB::min_parallel 8;	3800	BDB::min_parallel 8;
2574		3801	BDB::max_poll_reqs $TICK * 0.1;
2575	BDB::set_sync_prepare {	3802	$AnyEvent::BDB::WATCHER->priority (1);
2576	my $status;
2577	my $current = $Coro::current;
2578	(
2579	sub {
2580	$status = $!;
2581	$current->ready; undef $current;
2582	},
2583	sub {
2584	Coro::schedule while defined $current;
2585	$! = $status;
2586	},
2587	)
2588	};
2589		3803
2590	unless ($DB_ENV) {	3804	unless ($DB_ENV) {
2591	$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);
2592		3811
2593	cf::sync_job {	3812	cf::sync_job {
		3813	eval {
2594	BDB::db_env_open	3814	BDB::db_env_open
2595	$DB_ENV,	3815	$DB_ENV,
2596	$BDB_ENV_DIR,	3816	$BDBDIR,
2597	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3817	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2598	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3818	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2599	0666;	3819	0666;
2600		3820
2601	cf::cleanup "$!" if $!;	3821	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2602		3822	};
2603	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3823
2604	$DB_ENV->set_lk_detect;	3824	cf::cleanup "db_env_open(db): $@" if $@;
2605	};	3825	};
2606	}	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	};
2607	}	3837	}
2608		3838
2609	{	3839	{
		3840	# configure IO::AIO
		3841
2610	IO::AIO::min_parallel 8;	3842	IO::AIO::min_parallel 8;
2611
2612	undef $Coro::AIO::WATCHER;
2613	IO::AIO::max_poll_time $TICK * 0.1;	3843	IO::AIO::max_poll_time $TICK * 0.1;
2614	$AIO_POLL_WATCHER = Event->io (	3844	undef $AnyEvent::AIO::WATCHER;
2615	reentrant => 0,
2616	fd => IO::AIO::poll_fileno,
2617	poll => 'r',
2618	prio => 6,
2619	data => WF_AUTOCANCEL,
2620	cb => \&IO::AIO::poll_cb,
2621	);
2622	}	3845	}
2623		3846
2624	$WRITE_RUNTIME_WATCHER = Event->timer (	3847	my $_log_backtrace;
2625	reentrant => 0,	3848
2626	data => WF_AUTOCANCEL,	3849	sub _log_backtrace {
2627	after => 1,	3850	my ($msg, @addr) = @_;
2628	interval => 10,	3851
2629	prio => 6, # keep it lowest so it acts like a watchdog	3852	$msg =~ s/\n//;
2630	cb => Coro::unblock_sub {	3853
2631	write_runtime	3854	# limit the # of concurrent backtraces
2632	or warn "ERROR: unable to write runtime file: $!";	3855	if ($_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";
2633	},	3886	}
2634	);	3887	}
		3888
		3889	# load additional modules
		3890	use cf::pod;
2635		3891
2636	END { cf::emergency_save }	3892	END { cf::emergency_save }
2637		3893
2638	1	3894	1
2639		3895

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