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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.450 by root, Mon Sep 22 01:33:09 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;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		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	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
79	binmode STDOUT;	133	binmode STDOUT;
80	binmode STDERR;	134	binmode STDERR;
81		135
82	# read virtual server time, if available	136	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
87	}	141	}
88		142
89	mkdir cf::localdir;	143	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		145
96	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
97		147
98	sub cf::map::normalise;	148	sub cf::map::normalise;
99		149
…		…
110	=item $cf::RUNTIME	160	=item $cf::RUNTIME
111		161
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	162	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	163	every server tick.
114		164
115	=item $cf::LIBDIR	165	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		166	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		167	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		168
117	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	170	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		171	unique-items directory, player file directory, random maps directory and
		172	database environment.
119		173
120	=item $cf::NOW	174	=item $cf::NOW
121		175
122	The time of the last (current) server tick.	176	The time of the last (current) server tick.
123		177
124	=item $cf::TICK	178	=item $cf::TICK
125		179
126	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
127		181
		182	=item $cf::LOADAVG
		183
		184	The current CPU load on the server (alpha-smoothed), as a value between 0
		185	(none) and 1 (overloaded), indicating how much time is spent on processing
		186	objects per tick. Healthy values are < 0.5.
		187
		188	=item $cf::LOAD
		189
		190	The raw value load value from the last tick.
		191
128	=item %cf::CFG	192	=item %cf::CFG
129		193
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	195	from wherever your confdir points to.
132		196
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		198
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	199	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	200	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	201	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	202
		203	=item @cf::INVOKE_RESULTS
		204
		205	This array contains the results of the last C<invoke ()> call. When
		206	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		207	that call.
139		208
140	=back	209	=back
141		210
142	=cut	211	=cut
143		212
144	BEGIN {	213	BEGIN {
145	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	215	my $msg = join "", @_;
147	utf8::encode $msg;
148		216
149	$msg .= "\n"	217	$msg .= "\n"
150	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
151		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
152	LOG llevError, $msg;	222	LOG llevError, $msg;
153	};	223	};
154	}	224	}
		225
		226	$Coro::State::DIEHOOK = sub {
		227	return unless $^S eq 0; # "eq", not "=="
		228
		229	if ($Coro::current == $Coro::main) {#d#
		230	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		231	return;#d#
		232	}#d#
		233
		234	# kill coroutine otherwise
		235	warn Carp::longmess $_[0];
		236	Coro::terminate
		237	};
		238
		239	$SIG{__DIE__} = sub { }; #d#?
155		240
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	245	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		246	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	247	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		248
163	# we bless all objects into (empty) derived classes to force a method lookup	249	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	250	# within the Safe compartment.
165	for my $pkg (qw(	251	for my $pkg (qw(
166	cf::global cf::attachable	252	cf::global cf::attachable
167	cf::object cf::object::player	253	cf::object cf::object::player
168	cf::client cf::player	254	cf::client cf::player
169	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
170	cf::map cf::party cf::region	257	cf::party cf::region
171	)) {	258	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	260	}
175		261
176	$Event::DIED = sub {	262	$EV::DIED = sub {
177	warn "error in event callback: @_";	263	warn "error in event callback: @_";
178	};	264	};
		265
		266	#############################################################################
179		267
180	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
181		269
182	=over 4	270	=over 4
183		271
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	290	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	291	$d
204	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
205	}	293	}
206		294
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
210		296
211	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
212		298
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
221		300
222	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
223		302
224	=cut	303	=cut
225		304
226	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
228	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
230		309
231	=item cf::lock_wait $string	310	=item cf::lock_wait $string
232		311
233	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
234		313
…		…
237	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
240	returned.	319	returned.
241		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
242	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
244		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
245	=cut	331	=cut
246		332
247	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
248		335
249	sub lock_wait($) {	336	sub lock_wait($) {
250	my ($key) = @_;	337	my ($key) = @_;
		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
251		343
252	# wait for lock, if any	344	# wait for lock, if any
253	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	346	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	347	Coro::schedule;
…		…
261		353
262	# wait, to be sure we are not locked	354	# wait, to be sure we are not locked
263	lock_wait $key;	355	lock_wait $key;
264		356
265	$LOCK{$key} = [];	357	$LOCK{$key} = [];
		358	$LOCKER{$key} = $Coro::current;#d#
266		359
267	Coro::guard {	360	Coro::guard {
		361	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	362	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	363	$_->ready for @{ delete $LOCK{$key} };
270	}	364	}
271	}	365	}
272		366
		367	sub lock_active($) {
		368	my ($key) = @_;
		369
		370	! ! $LOCK{$key}
		371	}
		372
273	sub freeze_mainloop {	373	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	374	tick_inhibit_inc;
275		375
276	my $guard = Coro::guard {	376	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	377	}
278	$WRITE_RUNTIME_WATCHER->start;	378
		379	=item cf::periodic $interval, $cb
		380
		381	Like EV::periodic, but randomly selects a starting point so that the actions
		382	get spread over timer.
		383
		384	=cut
		385
		386	sub periodic($$) {
		387	my ($interval, $cb) = @_;
		388
		389	my $start = rand List::Util::min 180, $interval;
		390
		391	EV::periodic $start, $interval, 0, $cb
		392	}
		393
		394	=item cf::get_slot $time[, $priority[, $name]]
		395
		396	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		397	This call blocks and returns only when you have at least C<$time> seconds
		398	of cpu time till the next tick. The slot is only valid till the next cede.
		399
		400	The optional C<$name> can be used to identify the job to run. It might be
		401	used for statistical purposes and should identify the same time-class.
		402
		403	Useful for short background jobs.
		404
		405	=cut
		406
		407	our @SLOT_QUEUE;
		408	our $SLOT_QUEUE;
		409
		410	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		411	$SLOT_QUEUE = Coro::async {
		412	$Coro::current->desc ("timeslot manager");
		413
		414	my $signal = new Coro::Signal;
		415
		416	while () {
		417	next_job:
		418	my $avail = cf::till_tick;
		419	if ($avail > 0.01) {
		420	for (0 .. $#SLOT_QUEUE) {
		421	if ($SLOT_QUEUE[$_][0] < $avail) {
		422	my $job = splice @SLOT_QUEUE, $_, 1, ();
		423	$job->[2]->send;
		424	Coro::cede;
		425	goto next_job;
		426	}
		427	}
		428	}
		429
		430	if (@SLOT_QUEUE) {
		431	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		432	push @cf::WAIT_FOR_TICK, $signal;
		433	$signal->wait;
		434	} else {
		435	Coro::schedule;
		436	}
279	};	437	}
280	$WRITE_RUNTIME_WATCHER->stop;	438	};
281	$TICK_WATCHER->stop;	439
282	$guard	440	sub get_slot($;$$) {
		441	return if tick_inhibit || $Coro::current == $Coro::main;
		442
		443	my ($time, $pri, $name) = @_;
		444
		445	$time = $TICK * .6 if $time > $TICK * .6;
		446	my $sig = new Coro::Signal;
		447
		448	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		449	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		450	$SLOT_QUEUE->ready;
		451	$sig->wait;
283	}	452	}
284		453
285	=item cf::async { BLOCK }	454	=item cf::async { BLOCK }
286		455
287	Currently the same as Coro::async_pool, meaning you cannot use	456	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		461
293	BEGIN { *async = \&Coro::async_pool }	462	BEGIN { *async = \&Coro::async_pool }
294		463
295	=item cf::sync_job { BLOCK }	464	=item cf::sync_job { BLOCK }
296		465
297	The design of crossfire+ requires that the main coro ($Coro::main) is	466	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	467	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	468	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		469	acceptable.
300		470
301	If it must be done, put the blocking parts into C<sync_job>. This will run	471	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	472	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	473	server will be frozen during this time, so the block should either finish
304	fast or be very important.	474	fast or be very important.
…		…
307		477
308	sub sync_job(&) {	478	sub sync_job(&) {
309	my ($job) = @_;	479	my ($job) = @_;
310		480
311	if ($Coro::current == $Coro::main) {	481	if ($Coro::current == $Coro::main) {
		482	my $time = EV::time;
		483
312	# this is the main coro, too bad, we have to block	484	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	485	# till the operation succeeds, freezing the server :/
314		486
315	# TODO: use suspend/resume instead	487	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	488
317	my $freeze_guard = freeze_mainloop;	489	my $freeze_guard = freeze_mainloop;
318		490
319	my $busy = 1;	491	my $busy = 1;
320	my @res;	492	my @res;
321		493
322	(async {	494	(async {
		495	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	496	@res = eval { $job->() };
324	warn $@ if $@;	497	warn $@ if $@;
325	undef $busy;	498	undef $busy;
326	})->prio (Coro::PRIO_MAX);	499	})->prio (Coro::PRIO_MAX);
327		500
328	while ($busy) {	501	while ($busy) {
329	Coro::cede or Event::one_event;	502	if (Coro::nready) {
		503	Coro::cede_notself;
		504	} else {
		505	EV::loop EV::LOOP_ONESHOT;
330	}	506	}
		507	}
		508
		509	my $time = EV::time - $time;
		510
		511	$TICK_START += $time; # do not account sync jobs to server load
331		512
332	wantarray ? @res : $res[0]	513	wantarray ? @res : $res[0]
333	} else {	514	} else {
334	# we are in another coroutine, how wonderful, everything just works	515	# we are in another coroutine, how wonderful, everything just works
335		516
…		…
355	$EXT_CORO{$coro+0} = $coro;	536	$EXT_CORO{$coro+0} = $coro;
356		537
357	$coro	538	$coro
358	}	539	}
359		540
360	sub write_runtime {	541	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		542
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	543	Executes the given code block with the given arguments in a seperate
364	or return;	544	process, returning the results. Everything must be serialisable with
		545	Coro::Storable. May, of course, block. Note that the executed sub may
		546	never block itself or use any form of event handling.
365		547
366	my $value = $cf::RUNTIME + 90 + 10;	548	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		549
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	550	sub fork_call(&@) {
371	and return;	551	my ($cb, @args) = @_;
372		552
373	# always fsync - this file is important	553	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	554	# otherwise perl prematurely frees the stuff :/
375	and return;	555	# TODO: investigate and fix (likely this will be rather laborious)
376		556
377	close $fh	557	my @res = Coro::Util::fork_eval {
378	or return;	558	reset_signals;
		559	&$cb
		560	}, @args;
379		561
380	aio_rename "$runtime~", $runtime	562	wantarray ? @res : $res[-1]
381	and return;	563	}
382		564
		565	=item $coin = coin_from_name $name
		566
		567	=cut
		568
		569	our %coin_alias = (
		570	"silver" => "silvercoin",
		571	"silvercoin" => "silvercoin",
		572	"silvercoins" => "silvercoin",
		573	"gold" => "goldcoin",
		574	"goldcoin" => "goldcoin",
		575	"goldcoins" => "goldcoin",
		576	"platinum" => "platinacoin",
		577	"platinumcoin" => "platinacoin",
		578	"platinumcoins" => "platinacoin",
		579	"platina" => "platinacoin",
		580	"platinacoin" => "platinacoin",
		581	"platinacoins" => "platinacoin",
		582	"royalty" => "royalty",
		583	"royalties" => "royalty",
		584	);
		585
		586	sub coin_from_name($) {
		587	$coin_alias{$_[0]}
		588	? cf::arch::find $coin_alias{$_[0]}
		589	: undef
		590	}
		591
		592	=item $value = cf::db_get $family => $key
		593
		594	Returns a single value from the environment database.
		595
		596	=item cf::db_put $family => $key => $value
		597
		598	Stores the given C<$value> in the family. It can currently store binary
		599	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		600
		601	=item $db = cf::db_table "name"
		602
		603	Create and/or open a new database table. The string must not be "db" and must be unique
		604	within each server.
		605
		606	=cut
		607
		608	sub db_table($) {
		609	my ($name) = @_;
		610	my $db = BDB::db_create $DB_ENV;
		611
		612	eval {
		613	$db->set_flags (BDB::CHKSUM);
		614
		615	utf8::encode $name;
		616	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		617	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		618	cf::cleanup "db_open(db): $!" if $!;
		619	};
		620	cf::cleanup "db_open(db): $@" if $@;
		621
		622	$db
		623	}
		624
		625	our $DB;
		626
		627	sub db_init {
		628	cf::sync_job {
		629	$DB ||= db_table "db";
		630	};
		631	}
		632
		633	sub db_get($$) {
		634	my $key = "$_[0]/$_[1]";
		635
		636	cf::sync_job {
		637	BDB::db_get $DB, undef, $key, my $data;
		638
		639	$! ? ()
		640	: $data
383	1	641	}
		642	}
		643
		644	sub db_put($$$) {
		645	BDB::dbreq_pri 4;
		646	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		647	}
		648
		649	=item cf::cache $id => [$paths...], $processversion => $process
		650
		651	Generic caching function that returns the value of the resource $id,
		652	caching and regenerating as required.
		653
		654	This function can block.
		655
		656	=cut
		657
		658	sub cache {
		659	my ($id, $src, $processversion, $process) = @_;
		660
		661	my $meta =
		662	join "\x00",
		663	$processversion,
		664	map {
		665	aio_stat $_
		666	and Carp::croak "$_: $!";
		667
		668	($_, (stat _)[7,9])
		669	} @$src;
		670
		671	my $dbmeta = db_get cache => "$id/meta";
		672	if ($dbmeta ne $meta) {
		673	# changed, we may need to process
		674
		675	my @data;
		676	my $md5;
		677
		678	for (0 .. $#$src) {
		679	0 <= aio_load $src->[$_], $data[$_]
		680	or Carp::croak "$src->[$_]: $!";
		681	}
		682
		683	# if processing is expensive, check
		684	# checksum first
		685	if (1) {
		686	$md5 =
		687	join "\x00",
		688	$processversion,
		689	map {
		690	cf::cede_to_tick;
		691	($src->[$_], Digest::MD5::md5_hex $data[$_])
		692	} 0.. $#$src;
		693
		694
		695	my $dbmd5 = db_get cache => "$id/md5";
		696	if ($dbmd5 eq $md5) {
		697	db_put cache => "$id/meta", $meta;
		698
		699	return db_get cache => "$id/data";
		700	}
		701	}
		702
		703	my $t1 = Time::HiRes::time;
		704	my $data = $process->(\@data);
		705	my $t2 = Time::HiRes::time;
		706
		707	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		708
		709	db_put cache => "$id/data", $data;
		710	db_put cache => "$id/md5" , $md5;
		711	db_put cache => "$id/meta", $meta;
		712
		713	return $data;
		714	}
		715
		716	db_get cache => "$id/data"
		717	}
		718
		719	=item cf::datalog type => key => value, ...
		720
		721	Log a datalog packet of the given type with the given key-value pairs.
		722
		723	=cut
		724
		725	sub datalog($@) {
		726	my ($type, %kv) = @_;
		727	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	728	}
385		729
386	=back	730	=back
387		731
388	=cut	732	=cut
389		733
390	#############################################################################	734	#############################################################################
391		735
392	=head2 ATTACHABLE OBJECTS	736	=head2 ATTACHABLE OBJECTS
393		737
394	Many objects in crossfire are so-called attachable objects. That means you can	738	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	739	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	740	to it. All such attachable objects support the following methods.
397		741
398	In the following description, CLASS can be any of C<global>, C<object>	742	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	743	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	744	Deliantra).
401		745
402	=over 4	746	=over 4
403		747
404	=item $attachable->attach ($attachment, key => $value...)	748	=item $attachable->attach ($attachment, key => $value...)
405		749
…		…
449	=item cf::CLASS::attachment $name, ...	793	=item cf::CLASS::attachment $name, ...
450		794
451	Register an attachment by C<$name> through which attachable objects of the	795	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	796	given CLASS can refer to this attachment.
453		797
454	Some classes such as crossfire maps and objects can specify attachments	798	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	799	that are attached at load/instantiate time, thus the need for a name.
456		800
457	These calls expect any number of the following handler/hook descriptions:	801	These calls expect any number of the following handler/hook descriptions:
458		802
459	=over 4	803	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	912	$registry = $CB_TYPE[$object_type] ||= [];
569		913
570	} elsif ($type eq "subtype") {	914	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	915	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	916	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	917	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		918
575	} elsif ($type eq "package") {	919	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	920	my $pkg = shift @arg;
577		921
578	while (my ($name, $id) = each %cb_id) {	922	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	951	_attach $registry, $klass, @attach;
608	}	952	}
609		953
610	$obj->{$name} = \%arg;	954	$obj->{$name} = \%arg;
611	} else {	955	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	956	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	957	}
614		958
615	$obj->{_attachment}{$name} = undef;	959	$obj->{_attachment}{$name} = undef;
616	}	960	}
617		961
…		…
619	if (ref $_[0]) {	963	if (ref $_[0]) {
620	_object_attach @_;	964	_object_attach @_;
621	} else {	965	} else {
622	_attach shift->_attach_registry, @_;	966	_attach shift->_attach_registry, @_;
623	}	967	}
		968	_recalc_want;
624	};	969	};
625		970
626	# all those should be optimised	971	# all those should be optimised
627	sub cf::attachable::detach {	972	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	973	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	976	delete $obj->{_attachment}{$name};
632	reattach ($obj);	977	reattach ($obj);
633	} else {	978	} else {
634	Carp::croak "cannot, currently, detach class attachments";	979	Carp::croak "cannot, currently, detach class attachments";
635	}	980	}
		981	_recalc_want;
636	};	982	};
637		983
638	sub cf::attachable::attached {	984	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	985	my ($obj, $name) = @_;
640		986
…		…
655	";	1001	";
656	die if $@;	1002	die if $@;
657	}	1003	}
658		1004
659	our $override;	1005	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1006	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1007
662	sub override {	1008	sub override {
663	$override = 1;	1009	$override = 1;
664	@invoke_results = ();	1010	@INVOKE_RESULTS = (@_);
665	}	1011	}
666		1012
667	sub do_invoke {	1013	sub do_invoke {
668	my $event = shift;	1014	my $event = shift;
669	my $callbacks = shift;	1015	my $callbacks = shift;
670		1016
671	@invoke_results = ();	1017	@INVOKE_RESULTS = ();
672		1018
673	local $override;	1019	local $override;
674		1020
675	for (@$callbacks) {	1021	for (@$callbacks) {
676	eval { &{$_->[1]} };	1022	eval { &{$_->[1]} };
…		…
685	}	1031	}
686		1032
687	0	1033	0
688	}	1034	}
689		1035
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1036	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1037
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1038	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1039
694	Generate an object-specific event with the given arguments.	1040	Generate an object-specific event with the given arguments.
695		1041
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1042	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1043	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1044	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1045
700	=back	1046	=back
701		1047
702	=cut	1048	=cut
703		1049
704	#############################################################################	1050	#############################################################################
705	# object support	1051	# object support
		1052
		1053	sub _object_equal($$);
		1054	sub _object_equal($$) {
		1055	my ($a, $b) = @_;
		1056
		1057	return 0 unless (ref $a) eq (ref $b);
		1058
		1059	if ("HASH" eq ref $a) {
		1060	my @ka = keys %$a;
		1061	my @kb = keys %$b;
		1062
		1063	return 0 if @ka != @kb;
		1064
		1065	for (0 .. $#ka) {
		1066	return 0 unless $ka[$_] eq $kb[$_];
		1067	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1068	}
		1069
		1070	} elsif ("ARRAY" eq ref $a) {
		1071
		1072	return 0 if @$a != @$b;
		1073
		1074	for (0 .. $#$a) {
		1075	return 0 unless _object_equal $a->[$_], $b->[$_];
		1076	}
		1077
		1078	} elsif ($a ne $b) {
		1079	return 0;
		1080	}
		1081
		1082	1
		1083	}
		1084
		1085	our $SLOW_MERGES;#d#
		1086	sub _can_merge {
		1087	my ($ob1, $ob2) = @_;
		1088
		1089	++$SLOW_MERGES;#d#
		1090
		1091	# we do the slow way here
		1092	return _object_equal $ob1, $ob2
		1093	}
706		1094
707	sub reattach {	1095	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1096	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1097	my ($obj) = @_;
710		1098
		1099	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1100	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1101
713	my $registry = $obj->registry;	1102	my $registry = $obj->registry;
714		1103
715	@$registry = ();	1104	@$registry = ();
716		1105
…		…
731	cf::attachable->attach (	1120	cf::attachable->attach (
732	prio => -1000000,	1121	prio => -1000000,
733	on_instantiate => sub {	1122	on_instantiate => sub {
734	my ($obj, $data) = @_;	1123	my ($obj, $data) = @_;
735		1124
736	$data = from_json $data;	1125	$data = decode_json $data;
737		1126
738	for (@$data) {	1127	for (@$data) {
739	my ($name, $args) = @$_;	1128	my ($name, $args) = @$_;
740		1129
741	$obj->attach ($name, %{$args || {} });	1130	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1146	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1147	my ($filename, $rdata, $objs) = @_;
759		1148
760	sync_job {	1149	sync_job {
761	if (length $$rdata) {	1150	if (length $$rdata) {
		1151	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1152	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1153	$decname, length $$rdata, scalar @$objs;
764		1154
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1155	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1156	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1157	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1158	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1159	aio_close $fh;
770		1160
771	if (@$objs) {	1161	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1162	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1163	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1164	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1165	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1166	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1167	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1168	aio_rename "$filename.pst~", "$filename.pst";
779	}	1169	}
780	} else {	1170	} else {
781	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
782	}	1172	}
…		…
787	}	1177	}
788	} else {	1178	} else {
789	aio_unlink $filename;	1179	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1180	aio_unlink "$filename.pst";
791	}	1181	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1182	};
799	}	1183	}
800		1184
801	sub object_freezer_as_string {	1185	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1186	my ($rdata, $objs) = @_;
803		1187
…		…
808		1192
809	sub object_thawer_load {	1193	sub object_thawer_load {
810	my ($filename) = @_;	1194	my ($filename) = @_;
811		1195
812	my ($data, $av);	1196	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1197
817	(aio_load $filename, $data) >= 0	1198	(aio_load $filename, $data) >= 0
818	or return;	1199	or return;
819		1200
820	unless (aio_stat "$filename.pst") {	1201	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1202	(aio_load "$filename.pst", $av) >= 0
822	or return;	1203	or return;
		1204
823	$av = eval { (Storable::thaw $av)->{objs} };	1205	my $st = eval { Coro::Storable::thaw $av };
		1206	$av = $st->{objs};
824	}	1207	}
825		1208
		1209	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1210	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1211	$decname, length $data, scalar @{$av || []};
		1212
828	return ($data, $av);	1213	($data, $av)
829	}	1214	}
		1215
		1216	=head2 COMMAND CALLBACKS
		1217
		1218	=over 4
		1219
		1220	=cut
830		1221
831	#############################################################################	1222	#############################################################################
832	# command handling &c	1223	# command handling &c
833		1224
834	=item cf::register_command $name => \&callback($ob,$args);	1225	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1238	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1239	}
849		1240
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1241	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1242
852	Register a callbackf ro execution when the client sends an extcmd packet.	1243	Register a callback for execution when the client sends an (synchronous)
		1244	extcmd packet. Ext commands will be processed in the order they are
		1245	received by the server, like other user commands. The first argument is
		1246	the logged-in player. Ext commands can only be processed after a player
		1247	has logged in successfully.
853		1248
854	If the callback returns something, it is sent back as if reply was being	1249	If the callback returns something, it is sent back as if reply was being
855	called.	1250	called.
856		1251
		1252	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1253
		1254	Register a callback for execution when the client sends an (asynchronous)
		1255	exticmd packet. Exti commands are processed by the server as soon as they
		1256	are received, i.e. out of order w.r.t. other commands. The first argument
		1257	is a client socket. Exti commands can be received anytime, even before
		1258	log-in.
		1259
		1260	If the callback returns something, it is sent back as if reply was being
		1261	called.
		1262
857	=cut	1263	=cut
858		1264
859	sub register_extcmd {	1265	sub register_extcmd {
860	my ($name, $cb) = @_;	1266	my ($name, $cb) = @_;
861		1267
862	$EXTCMD{$name} = $cb;	1268	$EXTCMD{$name} = $cb;
		1269	}
		1270
		1271	sub register_exticmd {
		1272	my ($name, $cb) = @_;
		1273
		1274	$EXTICMD{$name} = $cb;
863	}	1275	}
864		1276
865	cf::player->attach (	1277	cf::player->attach (
866	on_command => sub {	1278	on_command => sub {
867	my ($pl, $name, $params) = @_;	1279	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1288	cf::override;
877	},	1289	},
878	on_extcmd => sub {	1290	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1291	my ($pl, $buf) = @_;
880		1292
881	my $msg = eval { from_json $buf };	1293	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1294
883	if (ref $msg) {	1295	if (ref $msg) {
		1296	my ($type, $reply, @payload) =
		1297	"ARRAY" eq ref $msg
		1298	? @$msg
		1299	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1300
		1301	my @reply;
		1302
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1303	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1304	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1305	}
		1306
		1307	$pl->ext_reply ($reply, @reply)
		1308	if $reply;
		1309
889	} else {	1310	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1311	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1312	}
892		1313
893	cf::override;	1314	cf::override;
894	},	1315	},
895	);	1316	);
896		1317
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1318	sub load_extensions {
		1319	cf::sync_job {
		1320	my %todo;
		1321
932	for my $ext (<$LIBDIR/*.ext>) {	1322	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1323	next unless -r $path;
934	eval {	1324
935	load_extension $ext;	1325	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1326	my $base = $1;
		1327	my $pkg = $1;
		1328	$pkg =~ s/[^[:word:]]/_/g;
		1329	$pkg = "ext::$pkg";
		1330
		1331	open my $fh, "<:utf8", $path
		1332	or die "$path: $!";
		1333
		1334	my $source = do { local $/; <$fh> };
		1335
		1336	my %ext = (
		1337	path => $path,
		1338	base => $base,
		1339	pkg => $pkg,
		1340	);
		1341
		1342	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1343	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1344
		1345	$ext{source} =
		1346	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1347	. "#line 1 \"$path\"\n{\n"
		1348	. $source
		1349	. "\n};\n1";
		1350
		1351	$todo{$base} = \%ext;
		1352	}
		1353
		1354	my %done;
		1355	while (%todo) {
		1356	my $progress;
		1357
		1358	while (my ($k, $v) = each %todo) {
		1359	for (split /,\s*/, $v->{meta}{depends}) {
		1360	goto skip
		1361	unless exists $done{$_};
		1362	}
		1363
		1364	warn "... loading '$k' into '$v->{pkg}'\n";
		1365
		1366	unless (eval $v->{source}) {
		1367	my $msg = $@ ? "$v->{path}: $@\n"
		1368	: "$v->{base}: extension inactive.\n";
		1369
		1370	if (exists $v->{meta}{mandatory}) {
		1371	warn $msg;
		1372	cf::cleanup "mandatory extension failed to load, exiting.";
		1373	}
		1374
		1375	warn $msg;
		1376	}
		1377
		1378	$done{$k} = delete $todo{$k};
		1379	push @EXTS, $v->{pkg};
		1380	$progress = 1;
936	1	1381	}
937	} or warn "$ext not loaded: $@";	1382
		1383	skip:
		1384	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1385	unless $progress;
		1386	}
938	}	1387	};
939	}	1388	}
940		1389
941	#############################################################################	1390	#############################################################################
942		1391
		1392	=back
		1393
943	=head2 CORE EXTENSIONS	1394	=head2 CORE EXTENSIONS
944		1395
945	Functions and methods that extend core crossfire objects.	1396	Functions and methods that extend core deliantra objects.
946		1397
947	=cut	1398	=cut
948		1399
949	package cf::player;	1400	package cf::player;
950		1401
…		…
952		1403
953	=head3 cf::player	1404	=head3 cf::player
954		1405
955	=over 4	1406	=over 4
956		1407
		1408	=item cf::player::num_playing
		1409
		1410	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1411
		1412	=cut
		1413
		1414	sub num_playing {
		1415	scalar grep
		1416	$_->ob->map
		1417	&& !$_->hidden
		1418	&& !$_->ob->flag (cf::FLAG_WIZ),
		1419	cf::player::list
		1420	}
		1421
957	=item cf::player::find $login	1422	=item cf::player::find $login
958		1423
959	Returns the given player object, loading it if necessary (might block).	1424	Returns the given player object, loading it if necessary (might block).
960		1425
961	=cut	1426	=cut
962		1427
963	sub playerdir($) {	1428	sub playerdir($) {
964	cf::localdir	1429	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1430	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1431	}
970		1432
971	sub path($) {	1433	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1434	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1435
974	(playerdir $login) . "/$login.pl"	1436	(playerdir $login) . "/playerdata"
975	}	1437	}
976		1438
977	sub find_active($) {	1439	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1440	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1441	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1454	my $login = $_[0];
993		1455
994	my $guard = cf::lock_acquire "user_find:$login";	1456	my $guard = cf::lock_acquire "user_find:$login";
995		1457
996	$cf::PLAYER{$_[0]} || do {	1458	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1459	# rename old playerfiles to new ones
		1460	#TODO: remove when no longer required
		1461	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1462	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1463	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1464	aio_unlink +(playerdir $login) . "/$login.pl";
		1465
		1466	my $f = new_from_file cf::object::thawer path $login
998	or return;	1467	or return;
		1468
		1469	my $pl = cf::player::load_pl $f
		1470	or return;
		1471
		1472	local $cf::PLAYER_LOADING{$login} = $pl;
		1473	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1474	$cf::PLAYER{$login} = $pl
1000	}	1475	}
1001	}	1476	}
1002	}	1477	}
1003		1478
…		…
1012	return if $pl->{deny_save};	1487	return if $pl->{deny_save};
1013		1488
1014	aio_mkdir playerdir $pl, 0770;	1489	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1490	$pl->{last_save} = $cf::RUNTIME;
1016		1491
		1492	cf::get_slot 0.01;
		1493
1017	$pl->save_pl ($path);	1494	$pl->save_pl ($path);
1018	Coro::cede;	1495	cf::cede_to_tick;
1019	}	1496	}
1020		1497
1021	sub new($) {	1498	sub new($) {
1022	my ($login) = @_;	1499	my ($login) = @_;
1023		1500
…		…
1029	$cf::PLAYER{$login} = $self;	1506	$cf::PLAYER{$login} = $self;
1030		1507
1031	$self	1508	$self
1032	}	1509	}
1033		1510
		1511	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1512
		1513	=cut
		1514
		1515	sub send_msg {
		1516	my $ns = shift->ns
		1517	or return;
		1518	$ns->send_msg (@_);
		1519	}
		1520
1034	=item $pl->quit_character	1521	=item $pl->quit_character
1035		1522
1036	Nukes the player without looking back. If logged in, the connection will	1523	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1524	be destroyed. May block for a long time.
1038		1525
1039	=cut	1526	=cut
1040		1527
1041	sub quit_character {	1528	sub quit_character {
1042	my ($pl) = @_;	1529	my ($pl) = @_;
1043		1530
		1531	my $name = $pl->ob->name;
		1532
1044	$pl->{deny_save} = 1;	1533	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1534	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1535
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1536	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1537	$pl->deactivate;
		1538	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1539	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1540	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1541	$pl->ns->destroy if $pl->ns;
1051		1542
1052	my $path = playerdir $pl;	1543	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1544	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1545	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1546	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1547	$pl->destroy;
		1548
		1549	my $prefix = qr<^~\Q$name\E/>;
		1550
		1551	# nuke player maps
		1552	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1553
1057	IO::AIO::aio_rmtree $temp;	1554	IO::AIO::aio_rmtree $temp;
		1555	}
		1556
		1557	=item $pl->kick
		1558
		1559	Kicks a player out of the game. This destroys the connection.
		1560
		1561	=cut
		1562
		1563	sub kick {
		1564	my ($pl, $kicker) = @_;
		1565
		1566	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1567	$pl->killer ("kicked");
		1568	$pl->ns->destroy;
1058	}	1569	}
1059		1570
1060	=item cf::player::list_logins	1571	=item cf::player::list_logins
1061		1572
1062	Returns am arrayref of all valid playernames in the system, can take a	1573	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1574	while and may block, so not sync_job-capable, ever.
1064		1575
1065	=cut	1576	=cut
1066		1577
1067	sub list_logins {	1578	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1579	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1580	or return [];
1070		1581
1071	my @logins;	1582	my @logins;
1072		1583
1073	for my $login (@$dirs) {	1584	for my $login (@$dirs) {
		1585	my $path = path $login;
		1586
		1587	# a .pst is a dead give-away for a valid player
		1588	# if no pst file found, open and chekc for blocked users
		1589	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1590	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1591	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1592	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1593	}
1077		1594
1078	utf8::decode $login;	1595	utf8::decode $login;
1079	push @logins, $login;	1596	push @logins, $login;
1080	}	1597	}
1081		1598
…		…
1108	}	1625	}
1109		1626
1110	\@paths	1627	\@paths
1111	}	1628	}
1112		1629
		1630	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1631
		1632	Expand deliantra pod fragments into protocol xml.
		1633
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1634	=item $player->ext_reply ($msgid, @msg)
1114		1635
1115	Sends an ext reply to the player.	1636	Sends an ext reply to the player.
1116		1637
1117	=cut	1638	=cut
1118		1639
1119	sub ext_reply($$$%) {	1640	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1641	my ($self, $id, @msg) = @_;
1121		1642
1122	$msg{msgid} = $id;	1643	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1644	}
1126		1645
1127	package cf;	1646	=item $player->ext_msg ($type, @msg)
		1647
		1648	Sends an ext event to the client.
		1649
		1650	=cut
		1651
		1652	sub ext_msg($$@) {
		1653	my ($self, $type, @msg) = @_;
		1654
		1655	$self->ns->ext_msg ($type, @msg);
		1656	}
		1657
		1658	=head3 cf::region
		1659
		1660	=over 4
		1661
		1662	=cut
		1663
		1664	package cf::region;
		1665
		1666	=item cf::region::find_by_path $path
		1667
		1668	Tries to decuce the likely region for a map knowing only its path.
		1669
		1670	=cut
		1671
		1672	sub find_by_path($) {
		1673	my ($path) = @_;
		1674
		1675	my ($match, $specificity);
		1676
		1677	for my $region (list) {
		1678	if ($region->{match} && $path =~ $region->{match}) {
		1679	($match, $specificity) = ($region, $region->specificity)
		1680	if $region->specificity > $specificity;
		1681	}
		1682	}
		1683
		1684	$match
		1685	}
1128		1686
1129	=back	1687	=back
1130
1131		1688
1132	=head3 cf::map	1689	=head3 cf::map
1133		1690
1134	=over 4	1691	=over 4
1135		1692
…		…
1147	our $MAX_RESET = 3600;	1704	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1705	our $DEFAULT_RESET = 3000;
1149		1706
1150	sub generate_random_map {	1707	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1708	my ($self, $rmp) = @_;
		1709
		1710	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1711
1152	# mit "rum" bekleckern, nicht	1712	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1713	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1714	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1715	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1716	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1750	my ($self, $merge) = @_;
1191		1751
1192	# we have to keep some variables in memory intact	1752	# we have to keep some variables in memory intact
1193	local $self->{path};	1753	local $self->{path};
1194	local $self->{load_path};	1754	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1755
1198	$self->SUPER::thawer_merge ($merge);	1756	$self->SUPER::thawer_merge ($merge);
1199	}	1757	}
1200		1758
1201	sub normalise {	1759	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1806	$self->init; # pass $1 etc.
1249	return $self;	1807	return $self;
1250	}	1808	}
1251	}	1809	}
1252		1810
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1811	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1812	()
1255	}	1813	}
1256		1814
1257	sub init {	1815	sub init {
1258	my ($self) = @_;	1816	my ($self) = @_;
…		…
1273		1831
1274	# the original (read-only) location	1832	# the original (read-only) location
1275	sub load_path {	1833	sub load_path {
1276	my ($self) = @_;	1834	my ($self) = @_;
1277		1835
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1836	"$MAPDIR/$self->{path}.map"
1279	}	1837	}
1280		1838
1281	# the temporary/swap location	1839	# the temporary/swap location
1282	sub save_path {	1840	sub save_path {
1283	my ($self) = @_;	1841	my ($self) = @_;
1284		1842
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1843	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1844	"$TMPDIR/$path.map"
1287	}	1845	}
1288		1846
1289	# the unique path, undef == no special unique path	1847	# the unique path, undef == no special unique path
1290	sub uniq_path {	1848	sub uniq_path {
1291	my ($self) = @_;	1849	my ($self) = @_;
1292		1850
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1851	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1852	"$UNIQUEDIR/$path"
1295	}	1853	}
1296		1854
1297	# and all this just because we cannot iterate over	1855	# and all this just because we cannot iterate over
1298	# all maps in C++...	1856	# all maps in C++...
1299	sub change_all_map_light {	1857	sub change_all_map_light {
…		…
1301		1859
1302	$_->change_map_light ($change)	1860	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1861	for grep $_->outdoor, values %cf::MAP;
1304	}	1862	}
1305		1863
		1864	sub decay_objects {
		1865	my ($self) = @_;
		1866
		1867	return if $self->{deny_reset};
		1868
		1869	$self->do_decay_objects;
		1870	}
		1871
1306	sub unlink_save {	1872	sub unlink_save {
1307	my ($self) = @_;	1873	my ($self) = @_;
1308		1874
1309	utf8::encode (my $save = $self->save_path);	1875	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1876	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1878	}
1318		1879
1319	sub load_header_from($) {	1880	sub load_header_from($) {
1320	my ($self, $path) = @_;	1881	my ($self, $path) = @_;
1321		1882
1322	utf8::encode $path;	1883	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1884	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1885	or return;
		1886
		1887	$self->_load_header ($f)
		1888	or return;
		1889
		1890	local $MAP_LOADING{$self->{path}} = $self;
		1891	$f->resolve_delayed_derefs;
1328		1892
1329	$self->{load_path} = $path;	1893	$self->{load_path} = $path;
1330		1894
1331	1	1895	1
1332	}	1896	}
…		…
1371	$self->load_header_orig	1935	$self->load_header_orig
1372	or return;	1936	or return;
1373	$self->prepare_orig;	1937	$self->prepare_orig;
1374	}	1938	}
1375		1939
		1940	$self->{deny_reset} = 1
		1941	if $self->no_reset;
		1942
		1943	$self->default_region (cf::region::find_by_path $self->{path})
		1944	unless $self->default_region;
		1945
1376	1	1946	1
1377	}	1947	}
1378		1948
1379	sub find;	1949	sub find;
1380	sub find {	1950	sub find {
1381	my ($path, $origin) = @_;	1951	my ($path, $origin) = @_;
1382		1952
1383	$path = normalise $path, $origin && $origin->path;	1953	$path = normalise $path, $origin && $origin->path;
1384		1954
		1955	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1956	cf::lock_wait "map_find:$path";
1386		1957
1387	$cf::MAP{$path} || do {	1958	$cf::MAP{$path} || do {
		1959	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1960	my $guard2 = cf::lock_acquire "map_find:$path";
		1961
1389	my $map = new_from_path cf::map $path	1962	my $map = new_from_path cf::map $path
1390	or return;	1963	or return;
1391		1964
1392	$map->{last_save} = $cf::RUNTIME;	1965	$map->{last_save} = $cf::RUNTIME;
1393		1966
1394	$map->load_header	1967	$map->load_header
1395	or return;	1968	or return;
1396		1969
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1970	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1971	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1972	#$cf::WAIT_FOR_TICK->wait;
		1973	undef $guard2;
		1974	undef $guard1;
1400	$map->reset;	1975	$map->reset;
1401	undef $guard;
1402	return find $path;	1976	return find $path;
1403	}	1977	}
1404		1978
1405	$cf::MAP{$path} = $map	1979	$cf::MAP{$path} = $map
1406	}	1980	}
…		…
1413	my ($self) = @_;	1987	my ($self) = @_;
1414		1988
1415	local $self->{deny_reset} = 1; # loading can take a long time	1989	local $self->{deny_reset} = 1; # loading can take a long time
1416		1990
1417	my $path = $self->{path};	1991	my $path = $self->{path};
		1992
		1993	{
1418	my $guard = cf::lock_acquire "map_load:$path";	1994	my $guard = cf::lock_acquire "map_data:$path";
1419		1995
		1996	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	1997	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		1998
1422	$self->in_memory (cf::MAP_LOADING);	1999	$self->in_memory (cf::MAP_LOADING);
1423		2000
1424	$self->alloc;	2001	$self->alloc;
1425		2002
1426	$self->pre_load;	2003	$self->pre_load;
		2004	cf::cede_to_tick;
1427		2005
1428	$self->_load_objects ($self->{load_path}, 1)	2006	my $f = new_from_file cf::object::thawer $self->{load_path};
		2007	$f->skip_block;
		2008	$self->_load_objects ($f)
1429	or return;	2009	or return;
1430		2010
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2011	$self->post_load_original
1432	if delete $self->{load_original};	2012	if delete $self->{load_original};
1433		2013
1434	if (my $uniq = $self->uniq_path) {	2014	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2015	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2016	unless (aio_stat $uniq) {
		2017	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2018	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2019	$self->_load_objects ($f);
		2020	$f->resolve_delayed_derefs;
		2021	}
1439	}	2022	}
1440	}	2023	}
1441		2024
1442	Coro::cede;	2025	$f->resolve_delayed_derefs;
1443		2026
		2027	cf::cede_to_tick;
1444	# now do the right thing for maps	2028	# now do the right thing for maps
1445	$self->link_multipart_objects;	2029	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2030	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2031	unless $self->difficulty;
1455	Coro::cede;	2032	cf::cede_to_tick;
		2033
		2034	unless ($self->{deny_activate}) {
		2035	$self->decay_objects;
		2036	$self->fix_auto_apply;
		2037	$self->update_buttons;
		2038	cf::cede_to_tick;
		2039	$self->set_darkness_map;
		2040	cf::cede_to_tick;
1456	$self->activate;	2041	$self->activate;
		2042	}
		2043
		2044	$self->{last_save} = $cf::RUNTIME;
		2045	$self->last_access ($cf::RUNTIME);
		2046
		2047	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2048	}
1458		2049
1459	$self->post_load;	2050	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2051	}
1463		2052
1464	sub customise_for {	2053	sub customise_for {
1465	my ($self, $ob) = @_;	2054	my ($self, $ob) = @_;
1466		2055
1467	return find "~" . $ob->name . "/" . $self->{path}	2056	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2057	if $self->per_player;
1469		2058
		2059	# return find "?party/" . $ob->name . "/" . $self->{path}
		2060	# if $self->per_party;
		2061
1470	$self	2062	$self
1471	}	2063	}
1472		2064
1473	# find and load all maps in the 3x3 area around a map	2065	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2066	sub load_neighbours {
1475	my ($map) = @_;	2067	my ($map) = @_;
1476		2068
1477	my @diag; # diagonal neighbours	2069	my @neigh; # diagonal neighbours
1478		2070
1479	for (0 .. 3) {	2071	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2072	my $neigh = $map->tile_path ($_)
1481	or next;	2073	or next;
1482	$neigh = find $neigh, $map	2074	$neigh = find $neigh, $map
1483	or next;	2075	or next;
1484	$neigh->load;	2076	$neigh->load;
1485		2077
		2078	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2079	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2080	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2081	}
1489		2082
1490	for (@diag) {	2083	for (grep defined $_->[0], @neigh) {
		2084	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2085	my $neigh = find $path, $origin
1492	or next;	2086	or next;
1493	$neigh->load;	2087	$neigh->load;
1494	}	2088	}
1495	}	2089	}
1496		2090
…		…
1501	}	2095	}
1502		2096
1503	sub do_load_sync {	2097	sub do_load_sync {
1504	my ($map) = @_;	2098	my ($map) = @_;
1505		2099
		2100	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2101	if $Coro::current == $Coro::main;
		2102
1506	cf::sync_job { $map->load };	2103	cf::sync_job { $map->load };
1507	}	2104	}
1508		2105
1509	our %MAP_PREFETCH;	2106	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2107	our $MAP_PREFETCHER = undef;
1511		2108
1512	sub find_async {	2109	sub find_async {
1513	my ($path, $origin) = @_;	2110	my ($path, $origin, $load) = @_;
1514		2111
1515	$path = normalise $path, $origin && $origin->{path};	2112	$path = normalise $path, $origin && $origin->{path};
1516		2113
1517	if (my $map = $cf::MAP{$path}) {	2114	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2115	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2116	}
1520		2117
1521	undef $MAP_PREFETCH{$path};	2118	$MAP_PREFETCH{$path} |= $load;
		2119
1522	$MAP_PREFETCHER ||= cf::async {	2120	$MAP_PREFETCHER ||= cf::async {
		2121	$Coro::current->{desc} = "map prefetcher";
		2122
1523	while (%MAP_PREFETCH) {	2123	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2124	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2125	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2126	$map->load if $v;
		2127	}
1528		2128
1529	delete $MAP_PREFETCH{$path};	2129	delete $MAP_PREFETCH{$k};
1530	}	2130	}
1531	}	2131	}
1532	undef $MAP_PREFETCHER;	2132	undef $MAP_PREFETCHER;
1533	};	2133	};
1534	$MAP_PREFETCHER->prio (6);	2134	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2137	}
1538		2138
1539	sub save {	2139	sub save {
1540	my ($self) = @_;	2140	my ($self) = @_;
1541		2141
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2142	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2143
1544	$self->{last_save} = $cf::RUNTIME;	2144	$self->{last_save} = $cf::RUNTIME;
1545		2145
1546	return unless $self->dirty;	2146	return unless $self->dirty;
1547		2147
…		…
1553	return if $self->{deny_save};	2153	return if $self->{deny_save};
1554		2154
1555	local $self->{last_access} = $self->last_access;#d#	2155	local $self->{last_access} = $self->last_access;#d#
1556		2156
1557	cf::async {	2157	cf::async {
		2158	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2159	$_->contr->save for $self->players;
1559	};	2160	};
		2161
		2162	cf::get_slot 0.02;
1560		2163
1561	if ($uniq) {	2164	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2165	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2166	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2167	} else {
…		…
1570	my ($self) = @_;	2173	my ($self) = @_;
1571		2174
1572	# save first because save cedes	2175	# save first because save cedes
1573	$self->save;	2176	$self->save;
1574		2177
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2178	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2179
1577	return if $self->players;	2180	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2181	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2182	return if $self->{deny_save};
1580		2183
		2184	$self->in_memory (cf::MAP_SWAPPED);
		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2188	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2189	}
1584		2190
1585	sub reset_at {	2191	sub reset_at {
1586	my ($self) = @_;	2192	my ($self) = @_;
1587		2193
1588	# TODO: safety, remove and allow resettable per-player maps	2194	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2195	return 1e99 if $self->{deny_reset};
1591		2196
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2197	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2198	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2199
…		…
1605	my ($self) = @_;	2210	my ($self) = @_;
1606		2211
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2212	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2213
1609	return if $self->players;	2214	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2215
1612	warn "resetting map ", $self->path;#d#	2216	warn "resetting map ", $self->path;
1613		2217
1614	$self->in_memory (cf::MAP_SWAPPED);	2218	$self->in_memory (cf::MAP_SWAPPED);
1615		2219
1616	# need to save uniques path	2220	# need to save uniques path
1617	unless ($self->{deny_save}) {	2221	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2225	if $uniq;
1622	}	2226	}
1623		2227
1624	delete $cf::MAP{$self->path};	2228	delete $cf::MAP{$self->path};
1625		2229
		2230	$self->deactivate;
		2231	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2232	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2233
1630	$self->unlink_save;	2234	$self->unlink_save;
1631	$self->destroy;	2235	$self->destroy;
1632	}	2236	}
1633		2237
1634	my $nuke_counter = "aaaa";	2238	my $nuke_counter = "aaaa";
1635		2239
1636	sub nuke {	2240	sub nuke {
1637	my ($self) = @_;	2241	my ($self) = @_;
1638		2242
		2243	{
		2244	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2245
1639	delete $cf::MAP{$self->path};	2246	delete $cf::MAP{$self->path};
1640		2247
1641	$self->unlink_save;	2248	$self->unlink_save;
1642		2249
1643	bless $self, "cf::map";	2250	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2251	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2252	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2253	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2254	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2255
1649	$cf::MAP{$self->path} = $self;	2256	$cf::MAP{$self->path} = $self;
		2257	}
1650		2258
1651	$self->reset; # polite request, might not happen	2259	$self->reset; # polite request, might not happen
		2260	}
		2261
		2262	=item $maps = cf::map::tmp_maps
		2263
		2264	Returns an arrayref with all map paths of currently instantiated and saved
		2265	maps. May block.
		2266
		2267	=cut
		2268
		2269	sub tmp_maps() {
		2270	[
		2271	map {
		2272	utf8::decode $_;
		2273	/\.map$/
		2274	? normalise $_
		2275	: ()
		2276	} @{ aio_readdir $TMPDIR or [] }
		2277	]
		2278	}
		2279
		2280	=item $maps = cf::map::random_maps
		2281
		2282	Returns an arrayref with all map paths of currently instantiated and saved
		2283	random maps. May block.
		2284
		2285	=cut
		2286
		2287	sub random_maps() {
		2288	[
		2289	map {
		2290	utf8::decode $_;
		2291	/\.map$/
		2292	? normalise "?random/$_"
		2293	: ()
		2294	} @{ aio_readdir $RANDOMDIR or [] }
		2295	]
1652	}	2296	}
1653		2297
1654	=item cf::map::unique_maps	2298	=item cf::map::unique_maps
1655		2299
1656	Returns an arrayref of paths of all shared maps that have	2300	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2301	instantiated unique items. May block.
1658		2302
1659	=cut	2303	=cut
1660		2304
1661	sub unique_maps() {	2305	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2306	[
1663	or return;	2307	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2308	utf8::decode $_;
1669	next if /\.pst$/;	2309	s/\.map$//; # TODO future compatibility hack
1670	next unless /^$PATH_SEP/o;	2310	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1671		2311	? ()
1672	push @paths, cf::map::normalise $_;	2312	: normalise $_
		2313	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2314	]
1674
1675	\@paths
1676	}	2315	}
1677
1678	package cf;
1679		2316
1680	=back	2317	=back
1681		2318
1682	=head3 cf::object	2319	=head3 cf::object
1683		2320
…		…
1687		2324
1688	=over 4	2325	=over 4
1689		2326
1690	=item $ob->inv_recursive	2327	=item $ob->inv_recursive
1691		2328
1692	Returns the inventory of the object _and_ their inventories, recursively.	2329	Returns the inventory of the object I<and> their inventories, recursively,
		2330	but I<not> the object itself.
1693		2331
1694	=cut	2332	=cut
1695		2333
1696	sub inv_recursive_;	2334	sub inv_recursive_;
1697	sub inv_recursive_ {	2335	sub inv_recursive_ {
…		…
1700		2338
1701	sub inv_recursive {	2339	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2340	inv_recursive_ inv $_[0]
1703	}	2341	}
1704		2342
		2343	=item $ref = $ob->ref
		2344
		2345	Creates and returns a persistent reference to an object that can be stored as a string.
		2346
		2347	=item $ob = cf::object::deref ($refstring)
		2348
		2349	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2350	even if the object actually exists. May block.
		2351
		2352	=cut
		2353
		2354	sub deref {
		2355	my ($ref) = @_;
		2356
		2357	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2358	my ($uuid, $name) = ($1, $2);
		2359	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2360	or return;
		2361	$pl->ob->uuid eq $uuid
		2362	or return;
		2363
		2364	$pl->ob
		2365	} else {
		2366	warn "$ref: cannot resolve object reference\n";
		2367	undef
		2368	}
		2369	}
		2370
1705	package cf;	2371	package cf;
1706		2372
1707	=back	2373	=back
1708		2374
1709	=head3 cf::object::player	2375	=head3 cf::object::player
…		…
1715	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2381	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1716	can be C<undef>. Does the right thing when the player is currently in a	2382	can be C<undef>. Does the right thing when the player is currently in a
1717	dialogue with the given NPC character.	2383	dialogue with the given NPC character.
1718		2384
1719	=cut	2385	=cut
		2386
		2387	our $SAY_CHANNEL = {
		2388	id => "say",
		2389	title => "Map",
		2390	reply => "say ",
		2391	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2392	};
		2393
		2394	our $CHAT_CHANNEL = {
		2395	id => "chat",
		2396	title => "Chat",
		2397	reply => "chat ",
		2398	tooltip => "Player chat and shouts, global to the server.",
		2399	};
1720		2400
1721	# rough implementation of a future "reply" method that works	2401	# rough implementation of a future "reply" method that works
1722	# with dialog boxes.	2402	# with dialog boxes.
1723	#TODO: the first argument must go, split into a $npc->reply_to ( method	2403	#TODO: the first argument must go, split into a $npc->reply_to ( method
1724	sub cf::object::player::reply($$$;$) {	2404	sub cf::object::player::reply($$$;$) {
…		…
1726		2406
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2408
1729	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1731	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2421	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2422	}
1734	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1735	}	2434	}
1736		2435
1737	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1738		2437
1739	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1752		2451
1753	=item $player_object->enter_link	2452	=item $player_object->enter_link
1754		2453
1755	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1756		2455
1757	The player should be reasonably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time (e.g.
1758	I<MUST> call C<leave_link> as soon as possible, though.	2457	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2458	though, as the palyer cannot control the character while it is on the link
		2459	map.
1759		2460
1760	Will never block.	2461	Will never block.
1761		2462
1762	=item $player_object->leave_link ($map, $x, $y)	2463	=item $player_object->leave_link ($map, $x, $y)
1763		2464
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
		2527	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1824	$self->activate_recursive;	2528	$self->activate_recursive;
		2529
		2530	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2531	$self->enter_map ($map, $x, $y);
1826	}	2532	}
1827		2533
1828	cf::player->attach (	2534	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2535
1832	# abort map switching before logout	2536	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2537	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2538	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2539	the new (success) or old (failed) map position. In either case, $done will
1836	};	2540	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2541
1842	# try to abort aborted map switching on player login :)	2542	Note that $check will be called with a potentially non-loaded map, so if
1843	# should happen only on crashes	2543	it needs a loaded map it has to call C<< ->load >>.
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859		2544
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2545	=cut
		2546
		2547	our $GOTOGEN;
1863		2548
1864	sub cf::object::player::goto {	2549	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2550	my ($self, $path, $x, $y, $check, $done) = @_;
		2551
		2552	# do generation counting so two concurrent goto's will be executed in-order
		2553	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2554
1867	$self->enter_link;	2555	$self->enter_link;
1868		2556
1869	(async {	2557	(async {
		2558	$Coro::current->{desc} = "player::goto $path $x $y";
		2559
		2560	# *tag paths override both path and x|y
		2561	if ($path =~ /^\*(.*)$/) {
		2562	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2563	my $ob = $obs[rand @obs];
		2564
		2565	# see if we actually can go there
		2566	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2567	$ob = $obs[rand @obs];
		2568	} else {
		2569	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2570	}
		2571	# else put us there anyways for now #d#
		2572
		2573	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2574	} else {
		2575	($path, $x, $y) = (undef, undef, undef);
		2576	}
		2577	}
		2578
1870	my $map = eval {	2579	my $map = eval {
1871	my $map = cf::map::find $path;	2580	my $map = defined $path ? cf::map::find $path : undef;
		2581
		2582	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2583	$map = $map->customise_for ($self);
		2584	$map = $check->($map) if $check && $map;
		2585	} else {
		2586	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588
1873	$map	2589	$map
		2590	};
		2591
		2592	if ($@) {
		2593	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2594	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2595	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2596
		2597	if ($gen == $self->{_goto_generation}) {
		2598	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2599	$self->leave_link ($map, $x, $y);
		2600	}
		2601
		2602	$done->() if $done;
1878	})->prio (1);	2603	})->prio (1);
1879	}	2604	}
1880		2605
1881	=item $player_object->enter_exit ($exit_object)	2606	=item $player_object->enter_exit ($exit_object)
1882		2607
…		…
1902	}	2627	}
1903		2628
1904	sub prepare_random_map {	2629	sub prepare_random_map {
1905	my ($exit) = @_;	2630	my ($exit) = @_;
1906		2631
1907	my $guard = cf::lock_acquire "exit_prepare:$exit";
1908
1909	# all this does is basically replace the /! path by	2632	# all this does is basically replace the /! path by
1910	# a new random map path (?random/...) with a seed	2633	# a new random map path (?random/...) with a seed
1911	# that depends on the exit object	2634	# that depends on the exit object
1912		2635
1913	my $rmp = parse_random_map_params $exit->msg;	2636	my $rmp = parse_random_map_params $exit->msg;
…		…
1915	if ($exit->map) {	2638	if ($exit->map) {
1916	$rmp->{region} = $exit->region->name;	2639	$rmp->{region} = $exit->region->name;
1917	$rmp->{origin_map} = $exit->map->path;	2640	$rmp->{origin_map} = $exit->map->path;
1918	$rmp->{origin_x} = $exit->x;	2641	$rmp->{origin_x} = $exit->x;
1919	$rmp->{origin_y} = $exit->y;	2642	$rmp->{origin_y} = $exit->y;
		2643
		2644	$exit->map->touch;
1920	}	2645	}
1921		2646
1922	$rmp->{random_seed} ||= $exit->random_seed;	2647	$rmp->{random_seed} ||= $exit->random_seed;
1923		2648
1924	my $data = cf::to_json $rmp;	2649	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1925	my $md5 = Digest::MD5::md5_hex $data;	2650	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2651	my $meta = "$RANDOMDIR/$md5.meta";
1927		2652
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2653	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2654	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2655	undef $fh;
1931	aio_rename "$meta~", $meta;	2656	aio_rename "$meta~", $meta;
1932		2657
		2658	my $slaying = "?random/$md5";
		2659
		2660	if ($exit->valid) {
1933	$exit->slaying ("?random/$md5");	2661	$exit->slaying ("?random/$md5");
1934	$exit->msg (undef);	2662	$exit->msg (undef);
		2663	}
1935	}	2664	}
1936	}	2665	}
1937		2666
1938	sub cf::object::player::enter_exit {	2667	sub cf::object::player::enter_exit {
1939	my ($self, $exit) = @_;	2668	my ($self, $exit) = @_;
1940		2669
1941	return unless $self->type == cf::PLAYER;	2670	return unless $self->type == cf::PLAYER;
1942		2671
1943	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job
1945	cf::sync_job { prepare_random_map $exit };
1946	}
1947
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;
1951
1952	$self->enter_link;	2672	$self->enter_link;
1953		2673
1954	(async {	2674	(async {
1955	$self->deactivate_recursive; # just to be sure	2675	$Coro::current->{desc} = "enter_exit";
		2676
1956	unless (eval {	2677	unless (eval {
		2678	$self->deactivate_recursive; # just to be sure
		2679
		2680	# random map handling
		2681	{
		2682	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2683
		2684	prepare_random_map $exit
		2685	if $exit->slaying eq "/!";
		2686	}
		2687
		2688	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2689	my $x = $exit->stats->hp;
		2690	my $y = $exit->stats->sp;
		2691
1957	$self->goto ($slaying, $hp, $sp);	2692	$self->goto ($map, $x, $y);
1958		2693
		2694	# if exit is damned, update players death & WoR home-position
		2695	$self->contr->savebed ($map, $x, $y)
		2696	if $exit->flag (cf::FLAG_DAMNED);
		2697
1959	1;	2698	1
1960	}) {	2699	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2700	$self->message ("Something went wrong deep within the deliantra server. "
1962	. "I'll try to bring you back to the map you were before. "	2701	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2702	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2703	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2704
1966	warn "ERROR in enter_exit: $@";	2705	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2706	$self->leave_link;
1968	}	2707	}
1969	})->prio (1);	2708	})->prio (1);
…		…
1982		2721
1983	sub cf::client::send_drawinfo {	2722	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2723	my ($self, $text, $flags) = @_;
1985		2724
1986	utf8::encode $text;	2725	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2726	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2727	}
1989		2728
		2729	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2730
		2731	Send a drawinfo or msg packet to the client, formatting the msg for the
		2732	client if neccessary. C<$type> should be a string identifying the type of
		2733	the message, with C<log> being the default. If C<$color> is negative, suppress
		2734	the message unless the client supports the msg packet.
		2735
		2736	=cut
		2737
		2738	# non-persistent channels (usually the info channel)
		2739	our %CHANNEL = (
		2740	"c/identify" => {
		2741	id => "infobox",
		2742	title => "Identify",
		2743	reply => undef,
		2744	tooltip => "Items recently identified",
		2745	},
		2746	"c/examine" => {
		2747	id => "infobox",
		2748	title => "Examine",
		2749	reply => undef,
		2750	tooltip => "Signs and other items you examined",
		2751	},
		2752	"c/book" => {
		2753	id => "infobox",
		2754	title => "Book",
		2755	reply => undef,
		2756	tooltip => "The contents of a note or book",
		2757	},
		2758	"c/lookat" => {
		2759	id => "infobox",
		2760	title => "Look",
		2761	reply => undef,
		2762	tooltip => "What you saw there",
		2763	},
		2764	"c/who" => {
		2765	id => "infobox",
		2766	title => "Players",
		2767	reply => undef,
		2768	tooltip => "Shows players who are currently online",
		2769	},
		2770	"c/body" => {
		2771	id => "infobox",
		2772	title => "Body Parts",
		2773	reply => undef,
		2774	tooltip => "Shows which body parts you posess and are available",
		2775	},
		2776	"c/skills" => {
		2777	id => "infobox",
		2778	title => "Skills",
		2779	reply => undef,
		2780	tooltip => "Shows your experience per skill and item power",
		2781	},
		2782	"c/uptime" => {
		2783	id => "infobox",
		2784	title => "Uptime",
		2785	reply => undef,
		2786	tooltip => "How long the server has been running since last restart",
		2787	},
		2788	"c/mapinfo" => {
		2789	id => "infobox",
		2790	title => "Map Info",
		2791	reply => undef,
		2792	tooltip => "Information related to the maps",
		2793	},
		2794	"c/party" => {
		2795	id => "party",
		2796	title => "Party",
		2797	reply => "gsay ",
		2798	tooltip => "Messages and chat related to your party",
		2799	},
		2800	);
		2801
		2802	sub cf::client::send_msg {
		2803	my ($self, $channel, $msg, $color, @extra) = @_;
		2804
		2805	$msg = $self->pl->expand_cfpod ($msg)
		2806	unless $color & cf::NDI_VERBATIM;
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	my $pkt = "msg "
		2838	. $self->{json_coder}->encode (
		2839	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2840	);
		2841
		2842	# try lzf for large packets
		2843	$pkt = "lzf " . Compress::LZF::compress $pkt
		2844	if 1024 <= length $pkt and $self->{can_lzf};
		2845
		2846	# split very large packets
		2847	if (8192 < length $pkt and $self->{can_lzf}) {
		2848	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2849	$pkt = "frag";
		2850	}
		2851
		2852	$self->send_packet ($pkt);
		2853	} else {
		2854	if ($color >= 0) {
		2855	# replace some tags by gcfclient-compatible ones
		2856	for ($msg) {
		2857	1 while
		2858	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2859	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2860	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2861	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2862	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2863	}
		2864
		2865	$color &= cf::NDI_COLOR_MASK;
		2866
		2867	utf8::encode $msg;
		2868
		2869	if (0 && $msg =~ /\[/) {
		2870	# COMMAND/INFO
		2871	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2872	} else {
		2873	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2874	$self->send_packet ("drawinfo $color $msg")
		2875	}
		2876	}
		2877	}
		2878	}
		2879
		2880	=item $client->ext_msg ($type, @msg)
		2881
		2882	Sends an ext event to the client.
		2883
		2884	=cut
		2885
		2886	sub cf::client::ext_msg($$@) {
		2887	my ($self, $type, @msg) = @_;
		2888
		2889	if ($self->extcmd == 2) {
		2890	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2891	} elsif ($self->extcmd == 1) { # TODO: remove
		2892	push @msg, msgtype => "event_$type";
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2894	}
		2895	}
		2896
		2897	=item $client->ext_reply ($msgid, @msg)
		2898
		2899	Sends an ext reply to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_reply($$@) {
		2904	my ($self, $id, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2908	} elsif ($self->extcmd == 1) {
		2909	#TODO: version 1, remove
		2910	unshift @msg, msgtype => "reply", msgid => $id;
		2911	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2912	}
		2913	}
1990		2914
1991	=item $success = $client->query ($flags, "text", \&cb)	2915	=item $success = $client->query ($flags, "text", \&cb)
1992		2916
1993	Queues a query to the client, calling the given callback with	2917	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2918	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2919	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2920
1997	Queries can fail, so check the return code. Or don't, as queries will become	2921	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2922	become reliable at some point in the future.
1999		2923
2000	=cut	2924	=cut
2001		2925
2002	sub cf::client::query {	2926	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2927	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2935	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2936	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2937
2014	$self->send_packet ($self->{query_queue}[0][0])	2938	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2939	if @{ $self->{query_queue} } == 1;
		2940
		2941	1
2016	}	2942	}
2017		2943
2018	cf::client->attach (	2944	cf::client->attach (
		2945	on_connect => sub {
		2946	my ($ns) = @_;
		2947
		2948	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2949	},
2019	on_reply => sub {	2950	on_reply => sub {
2020	my ($ns, $msg) = @_;	2951	my ($ns, $msg) = @_;
2021		2952
2022	# this weird shuffling is so that direct followup queries	2953	# this weird shuffling is so that direct followup queries
2023	# get handled first	2954	# get handled first
…		…
2035	} else {	2966	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2967	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2968	}
2038	}	2969	}
2039	},	2970	},
		2971	on_exticmd => sub {
		2972	my ($ns, $buf) = @_;
		2973
		2974	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2975
		2976	if (ref $msg) {
		2977	my ($type, $reply, @payload) =
		2978	"ARRAY" eq ref $msg
		2979	? @$msg
		2980	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2981
		2982	my @reply;
		2983
		2984	if (my $cb = $EXTICMD{$type}) {
		2985	@reply = $cb->($ns, @payload);
		2986	}
		2987
		2988	$ns->ext_reply ($reply, @reply)
		2989	if $reply;
		2990
		2991	} else {
		2992	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2993	}
		2994
		2995	cf::override;
		2996	},
2040	);	2997	);
2041		2998
2042	=item $client->async (\&cb)	2999	=item $client->async (\&cb)
2043		3000
2044	Create a new coroutine, running the specified callback. The coroutine will	3001	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3042	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3043	our $safe_hole = new Safe::Hole;
2087		3044
2088	$SIG{FPE} = 'IGNORE';	3045	$SIG{FPE} = 'IGNORE';
2089		3046
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3047	$safe->permit_only (Opcode::opset qw(
		3048	:base_core :base_mem :base_orig :base_math
		3049	grepstart grepwhile mapstart mapwhile
		3050	sort time
		3051	));
2091		3052
2092	# here we export the classes and methods available to script code	3053	# here we export the classes and methods available to script code
2093		3054
2094	=pod	3055	=pod
2095		3056
2096	The following fucntions and emthods are available within a safe environment:	3057	The following functions and methods are available within a safe environment:
2097		3058
2098	cf::object contr pay_amount pay_player map	3059	cf::object
		3060	contr pay_amount pay_player map x y force_find force_add destroy
		3061	insert remove name archname title slaying race decrease split
		3062
2099	cf::object::player player	3063	cf::object::player
2100	cf::player peaceful	3064	player
2101	cf::map trigger	3065
		3066	cf::player
		3067	peaceful
		3068
		3069	cf::map
		3070	trigger
2102		3071
2103	=cut	3072	=cut
2104		3073
2105	for (	3074	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3075	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3076	insert remove inv nrof name archname title slaying race
		3077	decrease split destroy change_exp)],
2107	["cf::object::player" => qw(player)],	3078	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3079	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3080	["cf::map" => qw(trigger)],
2110	) {	3081	) {
2111	no strict 'refs';	3082	no strict 'refs';
…		…
2182	=back	3153	=back
2183		3154
2184	=cut	3155	=cut
2185		3156
2186	#############################################################################	3157	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3158	# the server's init and main functions
2260		3159
		3160	sub load_facedata($) {
		3161	my ($path) = @_;
		3162
		3163	# HACK to clear player env face cache, we need some signal framework
		3164	# for this (global event?)
		3165	%ext::player_env::MUSIC_FACE_CACHE = ();
		3166
		3167	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3168
		3169	warn "loading facedata from $path\n";
		3170
		3171	my $facedata;
		3172	0 < aio_load $path, $facedata
		3173	or die "$path: $!";
		3174
		3175	$facedata = Coro::Storable::thaw $facedata;
		3176
		3177	$facedata->{version} == 2
		3178	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3179
		3180	# patch in the exptable
		3181	$facedata->{resource}{"res/exp_table"} = {
		3182	type => FT_RSRC,
		3183	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3184	};
		3185	cf::cede_to_tick;
		3186
		3187	{
		3188	my $faces = $facedata->{faceinfo};
		3189
		3190	while (my ($face, $info) = each %$faces) {
		3191	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3192
		3193	cf::face::set_visibility $idx, $info->{visibility};
		3194	cf::face::set_magicmap $idx, $info->{magicmap};
		3195	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3196	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3197
		3198	cf::cede_to_tick;
		3199	}
		3200
		3201	while (my ($face, $info) = each %$faces) {
		3202	next unless $info->{smooth};
		3203
		3204	my $idx = cf::face::find $face
		3205	or next;
		3206
		3207	if (my $smooth = cf::face::find $info->{smooth}) {
		3208	cf::face::set_smooth $idx, $smooth;
		3209	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3210	} else {
		3211	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3212	}
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216	}
		3217
		3218	{
		3219	my $anims = $facedata->{animinfo};
		3220
		3221	while (my ($anim, $info) = each %$anims) {
		3222	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3223	cf::cede_to_tick;
		3224	}
		3225
		3226	cf::anim::invalidate_all; # d'oh
		3227	}
		3228
		3229	{
		3230	# TODO: for gcfclient pleasure, we should give resources
		3231	# that gcfclient doesn't grok a >10000 face index.
		3232	my $res = $facedata->{resource};
		3233
		3234	while (my ($name, $info) = each %$res) {
		3235	if (defined $info->{type}) {
		3236	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3237	my $data;
		3238
		3239	if ($info->{type} & 1) {
		3240	# prepend meta info
		3241
		3242	my $meta = $enc->encode ({
		3243	name => $name,
		3244	%{ $info->{meta} || {} },
		3245	});
		3246
		3247	$data = pack "(w/a*)*", $meta, $info->{data};
		3248	} else {
		3249	$data = $info->{data};
		3250	}
		3251
		3252	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3253	cf::face::set_type $idx, $info->{type};
		3254	} else {
		3255	$RESOURCE{$name} = $info;
		3256	}
		3257
		3258	cf::cede_to_tick;
		3259	}
		3260	}
		3261
		3262	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3263
		3264	1
		3265	}
		3266
		3267	cf::global->attach (on_resource_update => sub {
		3268	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3269	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3270
		3271	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3272	my $sound = $soundconf->{compat}[$_]
		3273	or next;
		3274
		3275	my $face = cf::face::find "sound/$sound->[1]";
		3276	cf::sound::set $sound->[0] => $face;
		3277	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3278	}
		3279
		3280	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3281	my $face = cf::face::find "sound/$v";
		3282	cf::sound::set $k => $face;
		3283	}
		3284	}
		3285	});
		3286
		3287	register_exticmd fx_want => sub {
		3288	my ($ns, $want) = @_;
		3289
		3290	while (my ($k, $v) = each %$want) {
		3291	$ns->fx_want ($k, $v);
		3292	}
		3293	};
		3294
2261	sub load_resources {	3295	sub load_resource_file($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3296	my $guard = lock_acquire "load_resource_file";
		3297
		3298	my $status = load_resource_file_ $_[0];
		3299	get_slot 0.1, 100;
		3300	cf::arch::commit_load;
		3301
		3302	$status
		3303	}
		3304
		3305	sub reload_regions {
		3306	# HACK to clear player env face cache, we need some signal framework
		3307	# for this (global event?)
		3308	%ext::player_env::MUSIC_FACE_CACHE = ();
		3309
		3310	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3311	or die "unable to load regions file\n";
2264	}
2265		3312
2266	sub cfg_load {	3313	for (cf::region::list) {
		3314	$_->{match} = qr/$_->{match}/
		3315	if exists $_->{match};
		3316	}
		3317	}
		3318
		3319	sub reload_facedata {
		3320	load_facedata "$DATADIR/facedata"
		3321	or die "unable to load facedata\n";
		3322	}
		3323
		3324	sub reload_archetypes {
		3325	load_resource_file "$DATADIR/archetypes"
		3326	or die "unable to load archetypes\n";
		3327	}
		3328
		3329	sub reload_treasures {
		3330	load_resource_file "$DATADIR/treasures"
		3331	or die "unable to load treasurelists\n";
		3332	}
		3333
		3334	sub reload_resources {
		3335	warn "reloading resource files...\n";
		3336
		3337	reload_facedata;
		3338	reload_archetypes;
		3339	reload_regions;
		3340	reload_treasures;
		3341
		3342	warn "finished reloading resource files\n";
		3343	}
		3344
		3345	sub init {
		3346	my $guard = freeze_mainloop;
		3347
		3348	evthread_start IO::AIO::poll_fileno;
		3349
		3350	reload_resources;
		3351	}
		3352
		3353	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3354	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3355	or return;
2269		3356
2270	local $/;	3357	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3358	*CFG = YAML::Load <$fh>;
2272		3359
2273	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3360	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2274		3361
2275	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3362	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2276	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3363	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2282	};	3369	};
2283	warn $@ if $@;	3370	warn $@ if $@;
2284	}	3371	}
2285	}	3372	}
2286		3373
2287	sub init {	3374	sub pidfile() {
2288	load_resources;	3375	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3376	or die "$PIDFILE: $!";
		3377	flock $fh, &Fcntl::LOCK_EX
		3378	or die "$PIDFILE: flock: $!";
		3379	$fh
		3380	}
		3381
		3382	# make sure only one server instance is running at any one time
		3383	sub atomic {
		3384	my $fh = pidfile;
		3385
		3386	my $pid = <$fh>;
		3387	kill 9, $pid if $pid > 0;
		3388
		3389	seek $fh, 0, 0;
		3390	print $fh $$;
2289	}	3391	}
2290		3392
2291	sub main {	3393	sub main {
		3394	atomic;
		3395
2292	# we must not ever block the main coroutine	3396	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3397	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3398	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3399	(async {
2296	Event::one_event;	3400	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3401	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3402	})->prio (Coro::PRIO_MAX);
2298	};	3403	};
2299		3404
2300	cfg_load;	3405	{
		3406	my $guard = freeze_mainloop;
		3407	reload_config;
2301	db_init;	3408	db_init;
2302	load_extensions;	3409	load_extensions;
2303		3410
2304	$TICK_WATCHER->start;	3411	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2305	$WRITE_RUNTIME_WATCHER->start;	3412	}
		3413
		3414	utime time, time, $RUNTIMEFILE;
		3415
		3416	# no (long-running) fork's whatsoever before this point(!)
		3417	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3418
2306	Event::loop;	3419	EV::loop;
2307	}	3420	}
2308		3421
2309	#############################################################################	3422	#############################################################################
2310	# initialisation and cleanup	3423	# initialisation and cleanup
2311		3424
2312	# install some emergency cleanup handlers	3425	# install some emergency cleanup handlers
2313	BEGIN {	3426	BEGIN {
		3427	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3428	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3429	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3430	cf::cleanup "SIG$signal";
2322	},
2323	);	3431	};
		3432	}
		3433	}
		3434
		3435	sub write_runtime_sync {
		3436	# first touch the runtime file to show we are still running:
		3437	# the fsync below can take a very very long time.
		3438
		3439	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3440
		3441	my $guard = cf::lock_acquire "write_runtime";
		3442
		3443	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3444	or return;
		3445
		3446	my $value = $cf::RUNTIME + 90 + 10;
		3447	# 10 is the runtime save interval, for a monotonic clock
		3448	# 60 allows for the watchdog to kill the server.
		3449
		3450	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3451	and return;
		3452
		3453	# always fsync - this file is important
		3454	aio_fsync $fh
		3455	and return;
		3456
		3457	# touch it again to show we are up-to-date
		3458	aio_utime $fh, undef, undef;
		3459
		3460	close $fh
		3461	or return;
		3462
		3463	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3464	and return;
		3465
		3466	warn "runtime file written.\n";
		3467
2324	}	3468	1
		3469	}
		3470
		3471	our $uuid_lock;
		3472	our $uuid_skip;
		3473
		3474	sub write_uuid_sync($) {
		3475	$uuid_skip ||= $_[0];
		3476
		3477	return if $uuid_lock;
		3478	local $uuid_lock = 1;
		3479
		3480	my $uuid = "$LOCALDIR/uuid";
		3481
		3482	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3486	$uuid_skip = 0;
		3487
		3488	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3489	and return;
		3490
		3491	# always fsync - this file is important
		3492	aio_fsync $fh
		3493	and return;
		3494
		3495	close $fh
		3496	or return;
		3497
		3498	aio_rename "$uuid~", $uuid
		3499	and return;
		3500
		3501	warn "uuid file written ($value).\n";
		3502
		3503	1
		3504
		3505	}
		3506
		3507	sub write_uuid($$) {
		3508	my ($skip, $sync) = @_;
		3509
		3510	$sync ? write_uuid_sync $skip
		3511	: async { write_uuid_sync $skip };
2325	}	3512	}
2326		3513
2327	sub emergency_save() {	3514	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3515	my $freeze_guard = cf::freeze_mainloop;
2329		3516
…		…
2335	# and maps saved/destroyed asynchronously.	3522	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3523	warn "begin emergency player save\n";
2337	for my $login (keys %cf::PLAYER) {	3524	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3525	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3526	$pl->valid or next;
		3527	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3528	$pl->save;
2341	}	3529	}
2342	warn "end emergency player save\n";	3530	warn "end emergency player save\n";
2343		3531
2344	warn "begin emergency map save\n";	3532	warn "begin emergency map save\n";
…		…
2350	warn "end emergency map save\n";	3538	warn "end emergency map save\n";
2351		3539
2352	warn "begin emergency database checkpoint\n";	3540	warn "begin emergency database checkpoint\n";
2353	BDB::db_env_txn_checkpoint $DB_ENV;	3541	BDB::db_env_txn_checkpoint $DB_ENV;
2354	warn "end emergency database checkpoint\n";	3542	warn "end emergency database checkpoint\n";
		3543
		3544	warn "begin write uuid\n";
		3545	write_uuid_sync 1;
		3546	warn "end write uuid\n";
2355	};	3547	};
2356		3548
2357	warn "leave emergency perl save\n";	3549	warn "leave emergency perl save\n";
2358	}	3550	}
2359		3551
2360	sub post_cleanup {	3552	sub post_cleanup {
2361	my ($make_core) = @_;	3553	my ($make_core) = @_;
2362		3554
2363	warn Carp::longmess "post_cleanup backtrace"	3555	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3556	if $make_core;
2365	}
2366		3557
		3558	my $fh = pidfile;
		3559	unlink $PIDFILE if <$fh> == $$;
		3560	}
		3561
		3562	# a safer delete_package, copied from Symbol
		3563	sub clear_package($) {
		3564	my $pkg = shift;
		3565
		3566	# expand to full symbol table name if needed
		3567	unless ($pkg =~ /^main::.*::$/) {
		3568	$pkg = "main$pkg" if $pkg =~ /^::/;
		3569	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3570	$pkg .= '::' unless $pkg =~ /::$/;
		3571	}
		3572
		3573	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3574	my $stem_symtab = *{$stem}{HASH};
		3575
		3576	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3577	or return;
		3578
		3579	# clear all symbols
		3580	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3581	for my $name (keys %$leaf_symtab) {
		3582	_gv_clear *{"$pkg$name"};
		3583	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3584	}
		3585	warn "cleared package #$pkg\n";#d#
		3586	}
		3587
		3588	our $RELOAD; # how many times to reload
		3589
2367	sub reload() {	3590	sub do_reload_perl() {
2368	# can/must only be called in main	3591	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3592	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3593	warn "can only reload from main coroutine";
2371	return;	3594	return;
2372	}	3595	}
2373		3596
		3597	return if $RELOAD++;
		3598
		3599	while ($RELOAD) {
2374	warn "reloading...";	3600	warn "reloading...";
2375		3601
2376	warn "entering sync_job";	3602	warn "entering sync_job";
2377		3603
2378	cf::sync_job {	3604	cf::sync_job {
2379	cf::write_runtime;	3605	cf::write_runtime_sync; # external watchdog should not bark
2380	cf::emergency_save;	3606	cf::emergency_save;
2381	cf::write_runtime;	3607	cf::write_runtime_sync; # external watchdog should not bark
2382		3608
2383	warn "syncing database to disk";	3609	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3610	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3611
2386	# if anything goes wrong in here, we should simply crash as we already saved	3612	# if anything goes wrong in here, we should simply crash as we already saved
2387		3613
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392
2393	warn "flushing outstanding aio requests";	3614	warn "flushing outstanding aio requests";
2394	for (;;) {
2395	BDB::flush;
2396	IO::AIO::flush;
2397	Coro::cede;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3615	while (IO::AIO::nreqs || BDB::nreqs) {
2399	warn "iterate...";	3616	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2400	}
2401
2402	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();
2405
2406	warn "removing commands";
2407	%COMMAND = ();
2408
2409	warn "removing ext commands";
2410	%EXTCMD = ();
2411
2412	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";
2415
2416	if (my $cb = $pkg->can ("unload")) {
2417	eval {
2418	$cb->($pkg);
2419	1
2420	} or warn "$pkg unloaded, but with errors: $@";
2421	}	3617	}
2422		3618
2423	warn "... nuking $pkg";	3619	warn "cancelling all extension coros";
2424	Symbol::delete_package $pkg;	3620	$_->cancel for values %EXT_CORO;
2425	}	3621	%EXT_CORO = ();
2426		3622
2427	warn "unloading all perl modules loaded from $LIBDIR";	3623	warn "removing commands";
2428	while (my ($k, $v) = each %INC) {	3624	%COMMAND = ();
2429	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2430		3625
		3626	warn "removing ext/exti commands";
		3627	%EXTCMD = ();
		3628	%EXTICMD = ();
		3629
		3630	warn "unloading/nuking all extensions";
		3631	for my $pkg (@EXTS) {
2431	warn "... unloading $k";	3632	warn "... unloading $pkg";
2432	delete $INC{$k};
2433		3633
2434	$k =~ s/\.pm$//;
2435	$k =~ s/\//::/g;
2436
2437	if (my $cb = $k->can ("unload_module")) {	3634	if (my $cb = $pkg->can ("unload")) {
		3635	eval {
2438	$cb->();	3636	$cb->($pkg);
		3637	1
		3638	} or warn "$pkg unloaded, but with errors: $@";
		3639	}
		3640
		3641	warn "... clearing $pkg";
		3642	clear_package $pkg;
2439	}	3643	}
2440		3644
2441	Symbol::delete_package $k;	3645	warn "unloading all perl modules loaded from $LIBDIR";
		3646	while (my ($k, $v) = each %INC) {
		3647	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3648
		3649	warn "... unloading $k";
		3650	delete $INC{$k};
		3651
		3652	$k =~ s/\.pm$//;
		3653	$k =~ s/\//::/g;
		3654
		3655	if (my $cb = $k->can ("unload_module")) {
		3656	$cb->();
		3657	}
		3658
		3659	clear_package $k;
2442	}	3660	}
2443		3661
2444	warn "getting rid of safe::, as good as possible";	3662	warn "getting rid of safe::, as good as possible";
2445	Symbol::delete_package "safe::$_"	3663	clear_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3664	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3665
2448	warn "unloading cf.pm \"a bit\"";	3666	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3667	delete $INC{"cf.pm"};
		3668	delete $INC{"cf/pod.pm"};
2450		3669
2451	# don't, removes xs symbols, too,	3670	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3671	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3672	#clear_package __PACKAGE__;
2454		3673
2455	warn "unload completed, starting to reload now";	3674	warn "unload completed, starting to reload now";
2456		3675
2457	warn "reloading cf.pm";	3676	warn "reloading cf.pm";
2458	require cf;	3677	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3678	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3679
2461	warn "loading config and database again";	3680	warn "loading config and database again";
2462	cf::cfg_load;	3681	cf::reload_config;
2463		3682
2464	warn "loading extensions";	3683	warn "loading extensions";
2465	cf::load_extensions;	3684	cf::load_extensions;
2466		3685
2467	warn "reattaching attachments to objects/players";	3686	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3687	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3688	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3689	reattach $_ for values %MAP;
		3690	warn "reattaching attachments to players";
		3691	reattach $_ for values %PLAYER;
2471		3692
2472	warn "loading reloadable resources";
2473	load_resources;
2474
2475	warn "leaving sync_job";	3693	warn "leaving sync_job";
2476		3694
2477	1	3695	1
2478	} or do {	3696	} or do {
2479	warn $@;	3697	warn $@;
2480	warn "error while reloading, exiting.";	3698	cf::cleanup "error while reloading, exiting.";
2481	exit 1;	3699	};
		3700
		3701	warn "reloaded";
		3702	--$RELOAD;
		3703	}
		3704	};
		3705
		3706	our $RELOAD_WATCHER; # used only during reload
		3707
		3708	sub reload_perl() {
		3709	# doing reload synchronously and two reloads happen back-to-back,
		3710	# coro crashes during coro_state_free->destroy here.
		3711
		3712	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3713	do_reload_perl;
		3714	undef $RELOAD_WATCHER;
2482	};	3715	};
2483		3716	}
2484	warn "reloaded";
2485	};
2486
2487	our $RELOAD_WATCHER; # used only during reload
2488		3717
2489	register_command "reload" => sub {	3718	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3719	my ($who, $arg) = @_;
2491		3720
2492	if ($who->flag (FLAG_WIZ)) {	3721	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3722	$who->message ("reloading server.");
2494		3723	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3724	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3725	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3726	};
2507	}	3727	}
2508	};	3728	};
2509		3729
2510	unshift @INC, $LIBDIR;	3730	unshift @INC, $LIBDIR;
2511		3731
2512	my $bug_warning = 0;	3732	my $bug_warning = 0;
2513		3733
2514	$TICK_WATCHER = Event->timer (	3734	our @WAIT_FOR_TICK;
2515	reentrant => 0,	3735	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	3736
2517	prio => 0,	3737	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	3738	return if tick_inhibit || $Coro::current == $Coro::main;
2519	data => WF_AUTOCANCEL,	3739
2520	cb => sub {	3740	my $signal = new Coro::Signal;
		3741	push @WAIT_FOR_TICK, $signal;
		3742	$signal->wait;
		3743	}
		3744
		3745	sub wait_for_tick_begin {
		3746	return if tick_inhibit || $Coro::current == $Coro::main;
		3747
		3748	my $signal = new Coro::Signal;
		3749	push @WAIT_FOR_TICK_BEGIN, $signal;
		3750	$signal->wait;
		3751	}
		3752
		3753	sub tick {
2521	if ($Coro::current != $Coro::main) {	3754	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3755	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3756	unless ++$bug_warning > 10;
2524	return;	3757	return;
2525	}	3758	}
2526		3759
2527	$NOW = Event::time;
2528
2529	cf::server_tick; # one server iteration	3760	cf::server_tick; # one server iteration
2530	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;
2532		3761
2533	$WAIT_FOR_TICK->broadcast;	3762	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3763	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2535		3764	Coro::async_pool {
2536	# my $AFTER = Event::time;	3765	$Coro::current->{desc} = "runtime saver";
2537	# warn $AFTER - $NOW;#d#	3766	write_runtime_sync
2538		3767	or warn "ERROR: unable to write runtime file: $!";
2539	# if we are delayed by four ticks or more, skip them all	3768	};
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2541
2542	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;
2544	},	3769	}
2545	);	3770
		3771	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3772	$sig->send;
		3773	}
		3774	while (my $sig = shift @WAIT_FOR_TICK) {
		3775	$sig->send;
		3776	}
		3777
		3778	$LOAD = ($NOW - $TICK_START) / $TICK;
		3779	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3780
		3781	if (0) {
		3782	if ($NEXT_TICK) {
		3783	my $jitter = $TICK_START - $NEXT_TICK;
		3784	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3785	warn "jitter $JITTER\n";#d#
		3786	}
		3787	}
		3788	}
2546		3789
2547	{	3790	{
2548	BDB::max_poll_time $TICK * 0.1;	3791	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	3792
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	3793	BDB::min_parallel 8;
2558		3794	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	3795	$AnyEvent::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		3796
2574	unless ($DB_ENV) {	3797	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	3798	$DB_ENV = BDB::db_env_create;
		3799	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3800	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3801	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3802	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3803	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		3804
2577	cf::sync_job {	3805	cf::sync_job {
2578	eval {	3806	eval {
2579	BDB::db_env_open	3807	BDB::db_env_open
2580	$DB_ENV,	3808	$DB_ENV,
2581	$BDB_ENV_DIR,	3809	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3810	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3811	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3812	0666;
2585		3813
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3814	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	3815	};
2591		3816
2592	cf::cleanup "db_env_open(db): $@" if $@;	3817	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	3818	};
2594	}	3819	}
		3820
		3821	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3822	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3823	};
		3824	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3825	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3826	};
		3827	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3828	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3829	};
2595	}	3830	}
2596		3831
2597	{	3832	{
		3833	# configure IO::AIO
		3834
2598	IO::AIO::min_parallel 8;	3835	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3836	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3837	undef $AnyEvent::AIO::WATCHER;
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	3838	}
2611		3839
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3840	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3841
2622	Coro::async_pool {	3842	sub _log_backtrace {
2623	write_runtime	3843	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3844
		3845	$msg =~ s/\n//;
		3846
		3847	# limit the # of concurrent backtraces
		3848	if ($_log_backtrace < 2) {
		3849	++$_log_backtrace;
		3850	my $perl_bt = Carp::longmess $msg;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $perl_bt\n";
		3872	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3873	LOG llevInfo, "[ABT] $_\n" for @bt;
		3874	--$_log_backtrace;
2625	};	3875	};
		3876	} else {
		3877	LOG llevInfo, "[ABT] $msg\n";
		3878	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3879	}
2627	);	3880	}
		3881
		3882	# load additional modules
		3883	use cf::pod;
2628		3884
2629	END { cf::emergency_save }	3885	END { cf::emergency_save }
2630		3886
2631	1	3887	1
2632		3888

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