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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.451 by root, Mon Sep 22 05:42:41 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 ();
		52	use BDB ();
20	use Data::Dumper;	53	use Data::Dumper;
21	use Digest::MD5;	54	use Digest::MD5;
22	use Fcntl;	55	use Fcntl;
		56	use YAML ();
23	use IO::AIO 2.32 ();	57	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	58	use Time::HiRes;
		59	use Compress::LZF;
		60	use Digest::MD5 ();
26		61
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
28		74
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		76
36	our %COMMAND = ();	77	our %COMMAND = ();
37	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
38		79
39	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
43		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	87	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		88
47	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	90	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
50	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
51	our $NEXT_TICK;	107	our $NEXT_TICK;
52	our $NOW;	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
		112	our $BDB_TRICKLE_WATCHER;
		113	our $DB_ENV;
53		114
54	our %CFG;	115	our %CFG;
55		116
56	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
58		120
59	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		124
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		132
70	binmode STDOUT;	133	binmode STDOUT;
71	binmode STDERR;	134	binmode STDERR;
72		135
73	# read virtual server time, if available	136	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	137	unless ($RUNTIME || !-e $RUNTIMEFILE) {
75	open my $fh, "<", cf::localdir . "/runtime"	138	open my $fh, "<", $RUNTIMEFILE
76	or die "unable to read runtime file: $!";	139	or die "unable to read $RUNTIMEFILE file: $!";
77	$RUNTIME = <$fh> + 0.;	140	$RUNTIME = <$fh> + 0.;
78	}	141	}
79		142
80	mkdir cf::localdir;	143	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	144	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		145
86	our $EMERGENCY_POSITION;	146	our $EMERGENCY_POSITION;
87		147
88	sub cf::map::normalise;	148	sub cf::map::normalise;
89		149
…		…
100	=item $cf::RUNTIME	160	=item $cf::RUNTIME
101		161
102	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
103	every server tick.	163	every server tick.
104		164
105	=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
106		168
107	The perl library directory, where extensions and cf-specific modules can	169	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		173
110	=item $cf::NOW	174	=item $cf::NOW
111		175
112	The time of the last (current) server tick.	176	The time of the last (current) server tick.
113		177
114	=item $cf::TICK	178	=item $cf::TICK
115		179
116	The interval between server ticks, in seconds.	180	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	192	=item %cf::CFG
119		193
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	194	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	195	from wherever your confdir points to.
122		196
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	197	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		198
125	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
126	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
127	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.
128	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.
129		208
130	=back	209	=back
131		210
132	=cut	211	=cut
133		212
134	BEGIN {	213	BEGIN {
135	*CORE::GLOBAL::warn = sub {	214	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	215	my $msg = join "", @_;
137	utf8::encode $msg;
138		216
139	$msg .= "\n"	217	$msg .= "\n"
140	unless $msg =~ /\n$/;	218	unless $msg =~ /\n$/;
141		219
		220	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		221
142	LOG llevError, $msg;	222	LOG llevError, $msg;
143	};	223	};
144	}	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#?
145		240
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	241	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	242	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	243	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	244	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		248
153	# 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
154	# within the Safe compartment.	250	# within the Safe compartment.
155	for my $pkg (qw(	251	for my $pkg (qw(
156	cf::global cf::attachable	252	cf::global cf::attachable
157	cf::object cf::object::player	253	cf::object cf::object::player
158	cf::client cf::player	254	cf::client cf::player
159	cf::arch cf::living	255	cf::arch cf::living
		256	cf::map cf::mapspace
160	cf::map cf::party cf::region	257	cf::party cf::region
161	)) {	258	)) {
162	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	259	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	260	}
165		261
166	$Event::DIED = sub {	262	$EV::DIED = sub {
167	warn "error in event callback: @_";	263	warn "error in event callback: @_";
168	};	264	};
		265
		266	#############################################################################
169		267
170	=head2 UTILITY FUNCTIONS	268	=head2 UTILITY FUNCTIONS
171		269
172	=over 4	270	=over 4
173		271
…		…
192	$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;
193	$d	291	$d
194	} || "[unable to dump $_[0]: '$@']";	292	} || "[unable to dump $_[0]: '$@']";
195	}	293	}
196		294
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	295	=item $ref = cf::decode_json $json
200		296
201	Converts a JSON string into the corresponding perl data structure.	297	Converts a JSON string into the corresponding perl data structure.
202		298
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	299	=item $json = cf::encode_json $ref
211		300
212	Converts a perl data structure into its JSON representation.	301	Converts a perl data structure into its JSON representation.
213		302
214	=cut	303	=cut
215		304
216	sub to_json($) {	305	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	306
218	JSON::Syck::Dump $_[0]	307	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	308	sub decode_json($) { $json_coder->decode ($_[0]) }
220		309
221	=item cf::lock_wait $string	310	=item cf::lock_wait $string
222		311
223	Wait until the given lock is available. See cf::lock_acquire.	312	Wait until the given lock is available. See cf::lock_acquire.
224		313
…		…
227	Wait until the given lock is available and then acquires it and returns	316	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	317	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	318	for example when the coroutine gets canceled), the lock is automatically
230	returned.	319	returned.
231		320
		321	Locks are *not* recursive, locking from the same coro twice results in a
		322	deadlocked coro.
		323
232	Lock names should begin with a unique identifier (for example, cf::map::find	324	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	325	uses map_find and cf::map::load uses map_load).
234		326
		327	=item $locked = cf::lock_active $string
		328
		329	Return true if the lock is currently active, i.e. somebody has locked it.
		330
235	=cut	331	=cut
236		332
237	our %LOCK;	333	our %LOCK;
		334	our %LOCKER;#d#
238		335
239	sub lock_wait($) {	336	sub lock_wait($) {
240	my ($key) = @_;	337	my ($key) = @_;
241		338
		339	if ($LOCKER{$key} == $Coro::current) {#d#
		340	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		341	return;#d#
		342	}#d#
		343
242	# wait for lock, if any	344	# wait for lock, if any
243	while ($LOCK{$key}) {	345	while ($LOCK{$key}) {
		346	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	347	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	348	Coro::schedule;
246	}	349	}
247	}	350	}
248		351
…		…
251		354
252	# wait, to be sure we are not locked	355	# wait, to be sure we are not locked
253	lock_wait $key;	356	lock_wait $key;
254		357
255	$LOCK{$key} = [];	358	$LOCK{$key} = [];
		359	$LOCKER{$key} = $Coro::current;#d#
256		360
257	Coro::guard {	361	Coro::guard {
		362	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	363	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	364	$_->ready for @{ delete $LOCK{$key} };
260	}	365	}
261	}	366	}
262		367
		368	sub lock_active($) {
		369	my ($key) = @_;
		370
		371	! ! $LOCK{$key}
		372	}
		373
263	sub freeze_mainloop {	374	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	375	tick_inhibit_inc;
265		376
266	my $guard = Coro::guard {	377	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	378	}
268	$WRITE_RUNTIME_WATCHER->start;	379
		380	=item cf::periodic $interval, $cb
		381
		382	Like EV::periodic, but randomly selects a starting point so that the actions
		383	get spread over timer.
		384
		385	=cut
		386
		387	sub periodic($$) {
		388	my ($interval, $cb) = @_;
		389
		390	my $start = rand List::Util::min 180, $interval;
		391
		392	EV::periodic $start, $interval, 0, $cb
		393	}
		394
		395	=item cf::get_slot $time[, $priority[, $name]]
		396
		397	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		398	This call blocks and returns only when you have at least C<$time> seconds
		399	of cpu time till the next tick. The slot is only valid till the next cede.
		400
		401	The optional C<$name> can be used to identify the job to run. It might be
		402	used for statistical purposes and should identify the same time-class.
		403
		404	Useful for short background jobs.
		405
		406	=cut
		407
		408	our @SLOT_QUEUE;
		409	our $SLOT_QUEUE;
		410
		411	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		412	$SLOT_QUEUE = Coro::async {
		413	$Coro::current->desc ("timeslot manager");
		414
		415	my $signal = new Coro::Signal;
		416
		417	while () {
		418	next_job:
		419	my $avail = cf::till_tick;
		420	if ($avail > 0.01) {
		421	for (0 .. $#SLOT_QUEUE) {
		422	if ($SLOT_QUEUE[$_][0] < $avail) {
		423	my $job = splice @SLOT_QUEUE, $_, 1, ();
		424	$job->[2]->send;
		425	Coro::cede;
		426	goto next_job;
		427	}
		428	}
		429	}
		430
		431	if (@SLOT_QUEUE) {
		432	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		433	push @cf::WAIT_FOR_TICK, $signal;
		434	$signal->wait;
		435	} else {
		436	Coro::schedule;
		437	}
269	};	438	}
270	$WRITE_RUNTIME_WATCHER->stop;	439	};
271	$TICK_WATCHER->stop;	440
272	$guard	441	sub get_slot($;$$) {
		442	return if tick_inhibit || $Coro::current == $Coro::main;
		443
		444	my ($time, $pri, $name) = @_;
		445
		446	$time = $TICK * .6 if $time > $TICK * .6;
		447	my $sig = new Coro::Signal;
		448
		449	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		450	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		451	$SLOT_QUEUE->ready;
		452	$sig->wait;
273	}	453	}
274		454
275	=item cf::async { BLOCK }	455	=item cf::async { BLOCK }
276		456
277	Currently the same as Coro::async_pool, meaning you cannot use	457	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		462
283	BEGIN { *async = \&Coro::async_pool }	463	BEGIN { *async = \&Coro::async_pool }
284		464
285	=item cf::sync_job { BLOCK }	465	=item cf::sync_job { BLOCK }
286		466
287	The design of crossfire+ requires that the main coro ($Coro::main) is	467	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	468	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	469	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		470	acceptable.
290		471
291	If it must be done, put the blocking parts into C<sync_job>. This will run	472	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	473	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	474	server will be frozen during this time, so the block should either finish
294	fast or be very important.	475	fast or be very important.
…		…
297		478
298	sub sync_job(&) {	479	sub sync_job(&) {
299	my ($job) = @_;	480	my ($job) = @_;
300		481
301	if ($Coro::current == $Coro::main) {	482	if ($Coro::current == $Coro::main) {
		483	my $time = EV::time;
		484
302	# this is the main coro, too bad, we have to block	485	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	486	# till the operation succeeds, freezing the server :/
304		487
305	# TODO: use suspend/resume instead	488	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	489
307	my $freeze_guard = freeze_mainloop;	490	my $freeze_guard = freeze_mainloop;
308		491
309	my $busy = 1;	492	my $busy = 1;
310	my @res;	493	my @res;
311		494
312	(async {	495	(async {
		496	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	497	@res = eval { $job->() };
314	warn $@ if $@;	498	warn $@ if $@;
315	undef $busy;	499	undef $busy;
316	})->prio (Coro::PRIO_MAX);	500	})->prio (Coro::PRIO_MAX);
317		501
318	while ($busy) {	502	while ($busy) {
319	Coro::cede or Event::one_event;	503	if (Coro::nready) {
		504	Coro::cede_notself;
		505	} else {
		506	EV::loop EV::LOOP_ONESHOT;
320	}	507	}
		508	}
		509
		510	my $time = EV::time - $time;
		511
		512	$TICK_START += $time; # do not account sync jobs to server load
321		513
322	wantarray ? @res : $res[0]	514	wantarray ? @res : $res[0]
323	} else {	515	} else {
324	# we are in another coroutine, how wonderful, everything just works	516	# we are in another coroutine, how wonderful, everything just works
325		517
…		…
345	$EXT_CORO{$coro+0} = $coro;	537	$EXT_CORO{$coro+0} = $coro;
346		538
347	$coro	539	$coro
348	}	540	}
349		541
350	sub write_runtime {	542	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		543
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	544	Executes the given code block with the given arguments in a seperate
354	or return;	545	process, returning the results. Everything must be serialisable with
		546	Coro::Storable. May, of course, block. Note that the executed sub may
		547	never block itself or use any form of event handling.
355		548
356	my $value = $cf::RUNTIME + 90 + 10;	549	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		550
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	551	sub fork_call(&@) {
361	and return;	552	my ($cb, @args) = @_;
362		553
363	aio_fsync $fh	554	# we seemingly have to make a local copy of the whole thing,
364	and return;	555	# otherwise perl prematurely frees the stuff :/
		556	# TODO: investigate and fix (likely this will be rather laborious)
365		557
366	close $fh	558	my @res = Coro::Util::fork_eval {
367	or return;	559	reset_signals;
		560	&$cb
		561	}, @args;
368		562
369	aio_rename "$runtime~", $runtime	563	wantarray ? @res : $res[-1]
370	and return;	564	}
371		565
		566	=item $coin = coin_from_name $name
		567
		568	=cut
		569
		570	our %coin_alias = (
		571	"silver" => "silvercoin",
		572	"silvercoin" => "silvercoin",
		573	"silvercoins" => "silvercoin",
		574	"gold" => "goldcoin",
		575	"goldcoin" => "goldcoin",
		576	"goldcoins" => "goldcoin",
		577	"platinum" => "platinacoin",
		578	"platinumcoin" => "platinacoin",
		579	"platinumcoins" => "platinacoin",
		580	"platina" => "platinacoin",
		581	"platinacoin" => "platinacoin",
		582	"platinacoins" => "platinacoin",
		583	"royalty" => "royalty",
		584	"royalties" => "royalty",
		585	);
		586
		587	sub coin_from_name($) {
		588	$coin_alias{$_[0]}
		589	? cf::arch::find $coin_alias{$_[0]}
		590	: undef
		591	}
		592
		593	=item $value = cf::db_get $family => $key
		594
		595	Returns a single value from the environment database.
		596
		597	=item cf::db_put $family => $key => $value
		598
		599	Stores the given C<$value> in the family. It can currently store binary
		600	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		601
		602	=item $db = cf::db_table "name"
		603
		604	Create and/or open a new database table. The string must not be "db" and must be unique
		605	within each server.
		606
		607	=cut
		608
		609	sub db_table($) {
		610	my ($name) = @_;
		611	my $db = BDB::db_create $DB_ENV;
		612
		613	eval {
		614	$db->set_flags (BDB::CHKSUM);
		615
		616	utf8::encode $name;
		617	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		618	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		619	cf::cleanup "db_open(db): $!" if $!;
		620	};
		621	cf::cleanup "db_open(db): $@" if $@;
		622
		623	$db
		624	}
		625
		626	our $DB;
		627
		628	sub db_init {
		629	cf::sync_job {
		630	$DB ||= db_table "db";
		631	};
		632	}
		633
		634	sub db_get($$) {
		635	my $key = "$_[0]/$_[1]";
		636
		637	cf::sync_job {
		638	BDB::db_get $DB, undef, $key, my $data;
		639
		640	$! ? ()
		641	: $data
372	1	642	}
		643	}
		644
		645	sub db_put($$$) {
		646	BDB::dbreq_pri 4;
		647	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		648	}
		649
		650	=item cf::cache $id => [$paths...], $processversion => $process
		651
		652	Generic caching function that returns the value of the resource $id,
		653	caching and regenerating as required.
		654
		655	This function can block.
		656
		657	=cut
		658
		659	sub cache {
		660	my ($id, $src, $processversion, $process) = @_;
		661
		662	my $meta =
		663	join "\x00",
		664	$processversion,
		665	map {
		666	aio_stat $_
		667	and Carp::croak "$_: $!";
		668
		669	($_, (stat _)[7,9])
		670	} @$src;
		671
		672	my $dbmeta = db_get cache => "$id/meta";
		673	if ($dbmeta ne $meta) {
		674	# changed, we may need to process
		675
		676	my @data;
		677	my $md5;
		678
		679	for (0 .. $#$src) {
		680	0 <= aio_load $src->[$_], $data[$_]
		681	or Carp::croak "$src->[$_]: $!";
		682	}
		683
		684	# if processing is expensive, check
		685	# checksum first
		686	if (1) {
		687	$md5 =
		688	join "\x00",
		689	$processversion,
		690	map {
		691	cf::cede_to_tick;
		692	($src->[$_], Digest::MD5::md5_hex $data[$_])
		693	} 0.. $#$src;
		694
		695
		696	my $dbmd5 = db_get cache => "$id/md5";
		697	if ($dbmd5 eq $md5) {
		698	db_put cache => "$id/meta", $meta;
		699
		700	return db_get cache => "$id/data";
		701	}
		702	}
		703
		704	my $t1 = Time::HiRes::time;
		705	my $data = $process->(\@data);
		706	my $t2 = Time::HiRes::time;
		707
		708	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		709
		710	db_put cache => "$id/data", $data;
		711	db_put cache => "$id/md5" , $md5;
		712	db_put cache => "$id/meta", $meta;
		713
		714	return $data;
		715	}
		716
		717	db_get cache => "$id/data"
		718	}
		719
		720	=item cf::datalog type => key => value, ...
		721
		722	Log a datalog packet of the given type with the given key-value pairs.
		723
		724	=cut
		725
		726	sub datalog($@) {
		727	my ($type, %kv) = @_;
		728	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	729	}
374		730
375	=back	731	=back
376		732
377	=cut	733	=cut
378		734
379	#############################################################################	735	#############################################################################
380		736
381	=head2 ATTACHABLE OBJECTS	737	=head2 ATTACHABLE OBJECTS
382		738
383	Many objects in crossfire are so-called attachable objects. That means you can	739	Many objects in deliantra are so-called attachable objects. That means you can
384	attach callbacks/event handlers (a collection of which is called an "attachment")	740	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	741	to it. All such attachable objects support the following methods.
386		742
387	In the following description, CLASS can be any of C<global>, C<object>	743	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	744	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	745	Deliantra).
390		746
391	=over 4	747	=over 4
392		748
393	=item $attachable->attach ($attachment, key => $value...)	749	=item $attachable->attach ($attachment, key => $value...)
394		750
…		…
438	=item cf::CLASS::attachment $name, ...	794	=item cf::CLASS::attachment $name, ...
439		795
440	Register an attachment by C<$name> through which attachable objects of the	796	Register an attachment by C<$name> through which attachable objects of the
441	given CLASS can refer to this attachment.	797	given CLASS can refer to this attachment.
442		798
443	Some classes such as crossfire maps and objects can specify attachments	799	Some classes such as deliantra maps and objects can specify attachments
444	that are attached at load/instantiate time, thus the need for a name.	800	that are attached at load/instantiate time, thus the need for a name.
445		801
446	These calls expect any number of the following handler/hook descriptions:	802	These calls expect any number of the following handler/hook descriptions:
447		803
448	=over 4	804	=over 4
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	913	$registry = $CB_TYPE[$object_type] ||= [];
558		914
559	} elsif ($type eq "subtype") {	915	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	916	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	917	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	918	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		919
564	} elsif ($type eq "package") {	920	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	921	my $pkg = shift @arg;
566		922
567	while (my ($name, $id) = each %cb_id) {	923	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	952	_attach $registry, $klass, @attach;
597	}	953	}
598		954
599	$obj->{$name} = \%arg;	955	$obj->{$name} = \%arg;
600	} else {	956	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	957	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	958	}
603		959
604	$obj->{_attachment}{$name} = undef;	960	$obj->{_attachment}{$name} = undef;
605	}	961	}
606		962
…		…
608	if (ref $_[0]) {	964	if (ref $_[0]) {
609	_object_attach @_;	965	_object_attach @_;
610	} else {	966	} else {
611	_attach shift->_attach_registry, @_;	967	_attach shift->_attach_registry, @_;
612	}	968	}
		969	_recalc_want;
613	};	970	};
614		971
615	# all those should be optimised	972	# all those should be optimised
616	sub cf::attachable::detach {	973	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	977	delete $obj->{_attachment}{$name};
621	reattach ($obj);	978	reattach ($obj);
622	} else {	979	} else {
623	Carp::croak "cannot, currently, detach class attachments";	980	Carp::croak "cannot, currently, detach class attachments";
624	}	981	}
		982	_recalc_want;
625	};	983	};
626		984
627	sub cf::attachable::attached {	985	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	986	my ($obj, $name) = @_;
629		987
…		…
644	";	1002	";
645	die if $@;	1003	die if $@;
646	}	1004	}
647		1005
648	our $override;	1006	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1007	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		1008
651	sub override {	1009	sub override {
652	$override = 1;	1010	$override = 1;
653	@invoke_results = ();	1011	@INVOKE_RESULTS = (@_);
654	}	1012	}
655		1013
656	sub do_invoke {	1014	sub do_invoke {
657	my $event = shift;	1015	my $event = shift;
658	my $callbacks = shift;	1016	my $callbacks = shift;
659		1017
660	@invoke_results = ();	1018	@INVOKE_RESULTS = ();
661		1019
662	local $override;	1020	local $override;
663		1021
664	for (@$callbacks) {	1022	for (@$callbacks) {
665	eval { &{$_->[1]} };	1023	eval { &{$_->[1]} };
…		…
674	}	1032	}
675		1033
676	0	1034	0
677	}	1035	}
678		1036
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1038
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1039	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1040
683	Generate an object-specific event with the given arguments.	1041	Generate an object-specific event with the given arguments.
684		1042
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1043	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1044	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1045	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1046
689	=back	1047	=back
690		1048
691	=cut	1049	=cut
692		1050
693	#############################################################################	1051	#############################################################################
694	# object support	1052	# object support
		1053
		1054	sub _object_equal($$);
		1055	sub _object_equal($$) {
		1056	my ($a, $b) = @_;
		1057
		1058	return 0 unless (ref $a) eq (ref $b);
		1059
		1060	if ("HASH" eq ref $a) {
		1061	my @ka = keys %$a;
		1062	my @kb = keys %$b;
		1063
		1064	return 0 if @ka != @kb;
		1065
		1066	for (0 .. $#ka) {
		1067	return 0 unless $ka[$_] eq $kb[$_];
		1068	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1069	}
		1070
		1071	} elsif ("ARRAY" eq ref $a) {
		1072
		1073	return 0 if @$a != @$b;
		1074
		1075	for (0 .. $#$a) {
		1076	return 0 unless _object_equal $a->[$_], $b->[$_];
		1077	}
		1078
		1079	} elsif ($a ne $b) {
		1080	return 0;
		1081	}
		1082
		1083	1
		1084	}
		1085
		1086	our $SLOW_MERGES;#d#
		1087	sub _can_merge {
		1088	my ($ob1, $ob2) = @_;
		1089
		1090	++$SLOW_MERGES;#d#
		1091
		1092	# we do the slow way here
		1093	return _object_equal $ob1, $ob2
		1094	}
695		1095
696	sub reattach {	1096	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1097	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1098	my ($obj) = @_;
699		1099
		1100	# no longer needed after getting rid of delete_package?
700	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1101	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
701		1102
702	my $registry = $obj->registry;	1103	my $registry = $obj->registry;
703		1104
704	@$registry = ();	1105	@$registry = ();
705		1106
…		…
720	cf::attachable->attach (	1121	cf::attachable->attach (
721	prio => -1000000,	1122	prio => -1000000,
722	on_instantiate => sub {	1123	on_instantiate => sub {
723	my ($obj, $data) = @_;	1124	my ($obj, $data) = @_;
724		1125
725	$data = from_json $data;	1126	$data = decode_json $data;
726		1127
727	for (@$data) {	1128	for (@$data) {
728	my ($name, $args) = @$_;	1129	my ($name, $args) = @$_;
729		1130
730	$obj->attach ($name, %{$args || {} });	1131	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1147	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1148	my ($filename, $rdata, $objs) = @_;
748		1149
749	sync_job {	1150	sync_job {
750	if (length $$rdata) {	1151	if (length $$rdata) {
		1152	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1153	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1154	$decname, length $$rdata, scalar @$objs;
753		1155
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1156	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1157	aio_chmod $fh, SAVE_MODE;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1158	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1159	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1160	aio_close $fh;
759		1161
760	if (@$objs) {	1162	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1163	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1164	aio_chmod $fh, SAVE_MODE;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1165	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1166	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1167	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1168	aio_close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1169	aio_rename "$filename.pst~", "$filename.pst";
768	}	1170	}
769	} else {	1171	} else {
770	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
771	}	1173	}
…		…
776	}	1178	}
777	} else {	1179	} else {
778	aio_unlink $filename;	1180	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1181	aio_unlink "$filename.pst";
780	}	1182	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1183	};
788	}	1184	}
789		1185
790	sub object_freezer_as_string {	1186	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1187	my ($rdata, $objs) = @_;
792		1188
…		…
797		1193
798	sub object_thawer_load {	1194	sub object_thawer_load {
799	my ($filename) = @_;	1195	my ($filename) = @_;
800		1196
801	my ($data, $av);	1197	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1198
806	(aio_load $filename, $data) >= 0	1199	(aio_load $filename, $data) >= 0
807	or return;	1200	or return;
808		1201
809	unless (aio_stat "$filename.pst") {	1202	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1203	(aio_load "$filename.pst", $av) >= 0
811	or return;	1204	or return;
		1205
812	$av = eval { (Storable::thaw $av)->{objs} };	1206	my $st = eval { Coro::Storable::thaw $av };
		1207	$av = $st->{objs};
813	}	1208	}
814		1209
		1210	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1211	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1212	$decname, length $data, scalar @{$av || []};
		1213
817	return ($data, $av);	1214	($data, $av)
818	}	1215	}
		1216
		1217	=head2 COMMAND CALLBACKS
		1218
		1219	=over 4
		1220
		1221	=cut
819		1222
820	#############################################################################	1223	#############################################################################
821	# command handling &c	1224	# command handling &c
822		1225
823	=item cf::register_command $name => \&callback($ob,$args);	1226	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1239	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1240	}
838		1241
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1242	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1243
841	Register a callbackf ro execution when the client sends an extcmd packet.	1244	Register a callback for execution when the client sends an (synchronous)
		1245	extcmd packet. Ext commands will be processed in the order they are
		1246	received by the server, like other user commands. The first argument is
		1247	the logged-in player. Ext commands can only be processed after a player
		1248	has logged in successfully.
842		1249
843	If the callback returns something, it is sent back as if reply was being	1250	If the callback returns something, it is sent back as if reply was being
844	called.	1251	called.
845		1252
		1253	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1254
		1255	Register a callback for execution when the client sends an (asynchronous)
		1256	exticmd packet. Exti commands are processed by the server as soon as they
		1257	are received, i.e. out of order w.r.t. other commands. The first argument
		1258	is a client socket. Exti commands can be received anytime, even before
		1259	log-in.
		1260
		1261	If the callback returns something, it is sent back as if reply was being
		1262	called.
		1263
846	=cut	1264	=cut
847		1265
848	sub register_extcmd {	1266	sub register_extcmd {
849	my ($name, $cb) = @_;	1267	my ($name, $cb) = @_;
850		1268
851	$EXTCMD{$name} = $cb;	1269	$EXTCMD{$name} = $cb;
		1270	}
		1271
		1272	sub register_exticmd {
		1273	my ($name, $cb) = @_;
		1274
		1275	$EXTICMD{$name} = $cb;
852	}	1276	}
853		1277
854	cf::player->attach (	1278	cf::player->attach (
855	on_command => sub {	1279	on_command => sub {
856	my ($pl, $name, $params) = @_;	1280	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1289	cf::override;
866	},	1290	},
867	on_extcmd => sub {	1291	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1292	my ($pl, $buf) = @_;
869		1293
870	my $msg = eval { from_json $buf };	1294	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1295
872	if (ref $msg) {	1296	if (ref $msg) {
		1297	my ($type, $reply, @payload) =
		1298	"ARRAY" eq ref $msg
		1299	? @$msg
		1300	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1301
		1302	my @reply;
		1303
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1304	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1305	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1306	}
		1307
		1308	$pl->ext_reply ($reply, @reply)
		1309	if $reply;
		1310
878	} else {	1311	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1312	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1313	}
881		1314
882	cf::override;	1315	cf::override;
883	},	1316	},
884	);	1317	);
885		1318
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1319	sub load_extensions {
		1320	cf::sync_job {
		1321	my %todo;
		1322
921	for my $ext (<$LIBDIR/*.ext>) {	1323	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1324	next unless -r $path;
923	eval {	1325
924	load_extension $ext;	1326	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1327	my $base = $1;
		1328	my $pkg = $1;
		1329	$pkg =~ s/[^[:word:]]/_/g;
		1330	$pkg = "ext::$pkg";
		1331
		1332	open my $fh, "<:utf8", $path
		1333	or die "$path: $!";
		1334
		1335	my $source = do { local $/; <$fh> };
		1336
		1337	my %ext = (
		1338	path => $path,
		1339	base => $base,
		1340	pkg => $pkg,
		1341	);
		1342
		1343	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1344	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1345
		1346	$ext{source} =
		1347	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1348	. "#line 1 \"$path\"\n{\n"
		1349	. $source
		1350	. "\n};\n1";
		1351
		1352	$todo{$base} = \%ext;
		1353	}
		1354
		1355	my %done;
		1356	while (%todo) {
		1357	my $progress;
		1358
		1359	while (my ($k, $v) = each %todo) {
		1360	for (split /,\s*/, $v->{meta}{depends}) {
		1361	goto skip
		1362	unless exists $done{$_};
		1363	}
		1364
		1365	warn "... loading '$k' into '$v->{pkg}'\n";
		1366
		1367	unless (eval $v->{source}) {
		1368	my $msg = $@ ? "$v->{path}: $@\n"
		1369	: "$v->{base}: extension inactive.\n";
		1370
		1371	if (exists $v->{meta}{mandatory}) {
		1372	warn $msg;
		1373	cf::cleanup "mandatory extension failed to load, exiting.";
		1374	}
		1375
		1376	warn $msg;
		1377	}
		1378
		1379	$done{$k} = delete $todo{$k};
		1380	push @EXTS, $v->{pkg};
		1381	$progress = 1;
925	1	1382	}
926	} or warn "$ext not loaded: $@";	1383
		1384	skip:
		1385	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1386	unless $progress;
		1387	}
927	}	1388	};
928	}	1389	}
929		1390
930	#############################################################################	1391	#############################################################################
931		1392
		1393	=back
		1394
932	=head2 CORE EXTENSIONS	1395	=head2 CORE EXTENSIONS
933		1396
934	Functions and methods that extend core crossfire objects.	1397	Functions and methods that extend core deliantra objects.
935		1398
936	=cut	1399	=cut
937		1400
938	package cf::player;	1401	package cf::player;
939		1402
…		…
941		1404
942	=head3 cf::player	1405	=head3 cf::player
943		1406
944	=over 4	1407	=over 4
945		1408
		1409	=item cf::player::num_playing
		1410
		1411	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1412
		1413	=cut
		1414
		1415	sub num_playing {
		1416	scalar grep
		1417	$_->ob->map
		1418	&& !$_->hidden
		1419	&& !$_->ob->flag (cf::FLAG_WIZ),
		1420	cf::player::list
		1421	}
		1422
946	=item cf::player::find $login	1423	=item cf::player::find $login
947		1424
948	Returns the given player object, loading it if necessary (might block).	1425	Returns the given player object, loading it if necessary (might block).
949		1426
950	=cut	1427	=cut
951		1428
952	sub playerdir($) {	1429	sub playerdir($) {
953	cf::localdir	1430	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1431	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1432	}
959		1433
960	sub path($) {	1434	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1435	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1436
963	(playerdir $login) . "/$login.pl"	1437	(playerdir $login) . "/playerdata"
964	}	1438	}
965		1439
966	sub find_active($) {	1440	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1441	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1442	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1455	my $login = $_[0];
982		1456
983	my $guard = cf::lock_acquire "user_find:$login";	1457	my $guard = cf::lock_acquire "user_find:$login";
984		1458
985	$cf::PLAYER{$_[0]} || do {	1459	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1460	# rename old playerfiles to new ones
		1461	#TODO: remove when no longer required
		1462	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1463	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1464	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1465	aio_unlink +(playerdir $login) . "/$login.pl";
		1466
		1467	my $f = new_from_file cf::object::thawer path $login
987	or return;	1468	or return;
		1469
		1470	my $pl = cf::player::load_pl $f
		1471	or return;
		1472
		1473	local $cf::PLAYER_LOADING{$login} = $pl;
		1474	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1475	$cf::PLAYER{$login} = $pl
989	}	1476	}
990	}	1477	}
991	}	1478	}
992		1479
…		…
1001	return if $pl->{deny_save};	1488	return if $pl->{deny_save};
1002		1489
1003	aio_mkdir playerdir $pl, 0770;	1490	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1491	$pl->{last_save} = $cf::RUNTIME;
1005		1492
		1493	cf::get_slot 0.01;
		1494
1006	$pl->save_pl ($path);	1495	$pl->save_pl ($path);
1007	Coro::cede;	1496	cf::cede_to_tick;
1008	}	1497	}
1009		1498
1010	sub new($) {	1499	sub new($) {
1011	my ($login) = @_;	1500	my ($login) = @_;
1012		1501
…		…
1018	$cf::PLAYER{$login} = $self;	1507	$cf::PLAYER{$login} = $self;
1019		1508
1020	$self	1509	$self
1021	}	1510	}
1022		1511
		1512	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1513
		1514	=cut
		1515
		1516	sub send_msg {
		1517	my $ns = shift->ns
		1518	or return;
		1519	$ns->send_msg (@_);
		1520	}
		1521
1023	=item $pl->quit_character	1522	=item $pl->quit_character
1024		1523
1025	Nukes the player without looking back. If logged in, the connection will	1524	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1525	be destroyed. May block for a long time.
1027		1526
1028	=cut	1527	=cut
1029		1528
1030	sub quit_character {	1529	sub quit_character {
1031	my ($pl) = @_;	1530	my ($pl) = @_;
1032		1531
		1532	my $name = $pl->ob->name;
		1533
1033	$pl->{deny_save} = 1;	1534	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1535	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1035		1536
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1537	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1037	$pl->deactivate;	1538	$pl->deactivate;
		1539	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1540	$pl->ob->check_score;
1038	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1541	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1039	$pl->ns->destroy if $pl->ns;	1542	$pl->ns->destroy if $pl->ns;
1040		1543
1041	my $path = playerdir $pl;	1544	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1545	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1546	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1547	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1548	$pl->destroy;
		1549
		1550	my $prefix = qr<^~\Q$name\E/>;
		1551
		1552	# nuke player maps
		1553	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1554
1046	IO::AIO::aio_rmtree $temp;	1555	IO::AIO::aio_rmtree $temp;
		1556	}
		1557
		1558	=item $pl->kick
		1559
		1560	Kicks a player out of the game. This destroys the connection.
		1561
		1562	=cut
		1563
		1564	sub kick {
		1565	my ($pl, $kicker) = @_;
		1566
		1567	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1568	$pl->killer ("kicked");
		1569	$pl->ns->destroy;
1047	}	1570	}
1048		1571
1049	=item cf::player::list_logins	1572	=item cf::player::list_logins
1050		1573
1051	Returns am arrayref of all valid playernames in the system, can take a	1574	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1575	while and may block, so not sync_job-capable, ever.
1053		1576
1054	=cut	1577	=cut
1055		1578
1056	sub list_logins {	1579	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1580	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1581	or return [];
1059		1582
1060	my @logins;	1583	my @logins;
1061		1584
1062	for my $login (@$dirs) {	1585	for my $login (@$dirs) {
		1586	my $path = path $login;
		1587
		1588	# a .pst is a dead give-away for a valid player
		1589	# if no pst file found, open and chekc for blocked users
		1590	if (aio_stat "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1591	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1592	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1593	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1594	}
1066		1595
1067	utf8::decode $login;	1596	utf8::decode $login;
1068	push @logins, $login;	1597	push @logins, $login;
1069	}	1598	}
1070		1599
…		…
1078		1607
1079	=cut	1608	=cut
1080		1609
1081	sub maps($) {	1610	sub maps($) {
1082	my ($pl) = @_;	1611	my ($pl) = @_;
		1612
		1613	$pl = ref $pl ? $pl->ob->name : $pl;
1083		1614
1084	my $files = aio_readdir playerdir $pl	1615	my $files = aio_readdir playerdir $pl
1085	or return;	1616	or return;
1086		1617
1087	my @paths;	1618	my @paths;
…		…
1089	for (@$files) {	1620	for (@$files) {
1090	utf8::decode $_;	1621	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1622	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1623	next unless /^$PATH_SEP/o;
1093		1624
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1625	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1626	}
1096		1627
1097	\@paths	1628	\@paths
1098	}	1629	}
1099		1630
		1631	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1632
		1633	Expand deliantra pod fragments into protocol xml.
		1634
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1635	=item $player->ext_reply ($msgid, @msg)
1101		1636
1102	Sends an ext reply to the player.	1637	Sends an ext reply to the player.
1103		1638
1104	=cut	1639	=cut
1105		1640
1106	sub ext_reply($$$%) {	1641	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1642	my ($self, $id, @msg) = @_;
1108		1643
1109	$msg{msgid} = $id;	1644	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1645	}
1113		1646
1114	package cf;	1647	=item $player->ext_msg ($type, @msg)
		1648
		1649	Sends an ext event to the client.
		1650
		1651	=cut
		1652
		1653	sub ext_msg($$@) {
		1654	my ($self, $type, @msg) = @_;
		1655
		1656	$self->ns->ext_msg ($type, @msg);
		1657	}
		1658
		1659	=head3 cf::region
		1660
		1661	=over 4
		1662
		1663	=cut
		1664
		1665	package cf::region;
		1666
		1667	=item cf::region::find_by_path $path
		1668
		1669	Tries to decuce the likely region for a map knowing only its path.
		1670
		1671	=cut
		1672
		1673	sub find_by_path($) {
		1674	my ($path) = @_;
		1675
		1676	my ($match, $specificity);
		1677
		1678	for my $region (list) {
		1679	if ($region->{match} && $path =~ $region->{match}) {
		1680	($match, $specificity) = ($region, $region->specificity)
		1681	if $region->specificity > $specificity;
		1682	}
		1683	}
		1684
		1685	$match
		1686	}
1115		1687
1116	=back	1688	=back
1117
1118		1689
1119	=head3 cf::map	1690	=head3 cf::map
1120		1691
1121	=over 4	1692	=over 4
1122		1693
…		…
1134	our $MAX_RESET = 3600;	1705	our $MAX_RESET = 3600;
1135	our $DEFAULT_RESET = 3000;	1706	our $DEFAULT_RESET = 3000;
1136		1707
1137	sub generate_random_map {	1708	sub generate_random_map {
1138	my ($self, $rmp) = @_;	1709	my ($self, $rmp) = @_;
		1710
		1711	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1712
1139	# mit "rum" bekleckern, nicht	1713	# mit "rum" bekleckern, nicht
1140	$self->_create_random_map (	1714	$self->_create_random_map (
1141	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1715	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1142	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1716	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1143	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1717	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1177	my ($self, $merge) = @_;	1751	my ($self, $merge) = @_;
1178		1752
1179	# we have to keep some variables in memory intact	1753	# we have to keep some variables in memory intact
1180	local $self->{path};	1754	local $self->{path};
1181	local $self->{load_path};	1755	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1756
1185	$self->SUPER::thawer_merge ($merge);	1757	$self->SUPER::thawer_merge ($merge);
1186	}	1758	}
1187		1759
1188	sub normalise {	1760	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1807	$self->init; # pass $1 etc.
1236	return $self;	1808	return $self;
1237	}	1809	}
1238	}	1810	}
1239		1811
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1812	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1813	()
1242	}	1814	}
1243		1815
1244	sub init {	1816	sub init {
1245	my ($self) = @_;	1817	my ($self) = @_;
…		…
1260		1832
1261	# the original (read-only) location	1833	# the original (read-only) location
1262	sub load_path {	1834	sub load_path {
1263	my ($self) = @_;	1835	my ($self) = @_;
1264		1836
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1837	"$MAPDIR/$self->{path}.map"
1266	}	1838	}
1267		1839
1268	# the temporary/swap location	1840	# the temporary/swap location
1269	sub save_path {	1841	sub save_path {
1270	my ($self) = @_;	1842	my ($self) = @_;
1271		1843
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1844	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1845	"$TMPDIR/$path.map"
1274	}	1846	}
1275		1847
1276	# the unique path, undef == no special unique path	1848	# the unique path, undef == no special unique path
1277	sub uniq_path {	1849	sub uniq_path {
1278	my ($self) = @_;	1850	my ($self) = @_;
1279		1851
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1852	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1853	"$UNIQUEDIR/$path"
1282	}	1854	}
1283		1855
1284	# and all this just because we cannot iterate over	1856	# and all this just because we cannot iterate over
1285	# all maps in C++...	1857	# all maps in C++...
1286	sub change_all_map_light {	1858	sub change_all_map_light {
…		…
1288		1860
1289	$_->change_map_light ($change)	1861	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1862	for grep $_->outdoor, values %cf::MAP;
1291	}	1863	}
1292		1864
		1865	sub decay_objects {
		1866	my ($self) = @_;
		1867
		1868	return if $self->{deny_reset};
		1869
		1870	$self->do_decay_objects;
		1871	}
		1872
1293	sub unlink_save {	1873	sub unlink_save {
1294	my ($self) = @_;	1874	my ($self) = @_;
1295		1875
1296	utf8::encode (my $save = $self->save_path);	1876	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1877	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1878	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1879	}
1305		1880
1306	sub load_header_from($) {	1881	sub load_header_from($) {
1307	my ($self, $path) = @_;	1882	my ($self, $path) = @_;
1308		1883
1309	utf8::encode $path;	1884	utf8::encode $path;
1310	#aio_open $path, O_RDONLY, 0	1885	my $f = new_from_file cf::object::thawer $path
1311	# or return;
1312
1313	$self->_load_header ($path)
1314	or return;	1886	or return;
		1887
		1888	$self->_load_header ($f)
		1889	or return;
		1890
		1891	local $MAP_LOADING{$self->{path}} = $self;
		1892	$f->resolve_delayed_derefs;
1315		1893
1316	$self->{load_path} = $path;	1894	$self->{load_path} = $path;
1317		1895
1318	1	1896	1
1319	}	1897	}
…		…
1358	$self->load_header_orig	1936	$self->load_header_orig
1359	or return;	1937	or return;
1360	$self->prepare_orig;	1938	$self->prepare_orig;
1361	}	1939	}
1362		1940
		1941	$self->{deny_reset} = 1
		1942	if $self->no_reset;
		1943
		1944	$self->default_region (cf::region::find_by_path $self->{path})
		1945	unless $self->default_region;
		1946
1363	1	1947	1
1364	}	1948	}
1365		1949
1366	sub find;	1950	sub find;
1367	sub find {	1951	sub find {
1368	my ($path, $origin) = @_;	1952	my ($path, $origin) = @_;
1369		1953
1370	$path = normalise $path, $origin && $origin->path;	1954	$path = normalise $path, $origin && $origin->path;
1371		1955
		1956	cf::lock_wait "map_data:$path";#d#remove
1372	cf::lock_wait "map_find:$path";	1957	cf::lock_wait "map_find:$path";
1373		1958
1374	$cf::MAP{$path} || do {	1959	$cf::MAP{$path} || do {
		1960	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1375	my $guard = cf::lock_acquire "map_find:$path";	1961	my $guard2 = cf::lock_acquire "map_find:$path";
		1962
1376	my $map = new_from_path cf::map $path	1963	my $map = new_from_path cf::map $path
1377	or return;	1964	or return;
1378		1965
1379	$map->{last_save} = $cf::RUNTIME;	1966	$map->{last_save} = $cf::RUNTIME;
1380		1967
1381	$map->load_header	1968	$map->load_header
1382	or return;	1969	or return;
1383		1970
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1971	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1972	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1973	#$cf::WAIT_FOR_TICK->wait;
		1974	undef $guard2;
		1975	undef $guard1;
1387	$map->reset;	1976	$map->reset;
1388	undef $guard;
1389	return find $path;	1977	return find $path;
1390	}	1978	}
1391		1979
1392	$cf::MAP{$path} = $map	1980	$cf::MAP{$path} = $map
1393	}	1981	}
…		…
1400	my ($self) = @_;	1988	my ($self) = @_;
1401		1989
1402	local $self->{deny_reset} = 1; # loading can take a long time	1990	local $self->{deny_reset} = 1; # loading can take a long time
1403		1991
1404	my $path = $self->{path};	1992	my $path = $self->{path};
		1993
		1994	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1995	my $guard = cf::lock_acquire "map_data:$path";
1406		1996
		1997	return unless $self->valid;
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1998	return unless $self->in_memory == cf::MAP_SWAPPED;
1408		1999
1409	$self->in_memory (cf::MAP_LOADING);	2000	$self->in_memory (cf::MAP_LOADING);
1410		2001
1411	$self->alloc;	2002	$self->alloc;
1412		2003
1413	$self->pre_load;	2004	$self->pre_load;
		2005	cf::cede_to_tick;
1414		2006
1415	$self->_load_objects ($self->{load_path}, 1)	2007	my $f = new_from_file cf::object::thawer $self->{load_path};
		2008	$f->skip_block;
		2009	$self->_load_objects ($f)
1416	or return;	2010	or return;
1417		2011
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2012	$self->post_load_original
1419	if delete $self->{load_original};	2013	if delete $self->{load_original};
1420		2014
1421	if (my $uniq = $self->uniq_path) {	2015	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;	2016	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {	2017	unless (aio_stat $uniq) {
		2018	if (my $f = new_from_file cf::object::thawer $uniq) {
1424	$self->clear_unique_items;	2019	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);	2020	$self->_load_objects ($f);
		2021	$f->resolve_delayed_derefs;
		2022	}
1426	}	2023	}
1427	}	2024	}
1428		2025
1429	Coro::cede;	2026	$f->resolve_delayed_derefs;
1430		2027
		2028	cf::cede_to_tick;
1431	# now do the right thing for maps	2029	# now do the right thing for maps
1432	$self->link_multipart_objects;	2030	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;
1439	$self->set_darkness_map;
1440	$self->difficulty ($self->estimate_difficulty)	2031	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	2032	unless $self->difficulty;
1442	Coro::cede;	2033	cf::cede_to_tick;
		2034
		2035	unless ($self->{deny_activate}) {
		2036	$self->decay_objects;
		2037	$self->fix_auto_apply;
		2038	$self->update_buttons;
		2039	cf::cede_to_tick;
		2040	$self->set_darkness_map;
		2041	cf::cede_to_tick;
1443	$self->activate;	2042	$self->activate;
		2043	}
		2044
		2045	$self->{last_save} = $cf::RUNTIME;
		2046	$self->last_access ($cf::RUNTIME);
		2047
		2048	$self->in_memory (cf::MAP_ACTIVE);
1444	}	2049	}
1445		2050
1446	$self->post_load;	2051	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	2052	}
1450		2053
1451	sub customise_for {	2054	sub customise_for {
1452	my ($self, $ob) = @_;	2055	my ($self, $ob) = @_;
1453		2056
1454	return find "~" . $ob->name . "/" . $self->{path}	2057	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	2058	if $self->per_player;
1456		2059
		2060	# return find "?party/" . $ob->name . "/" . $self->{path}
		2061	# if $self->per_party;
		2062
1457	$self	2063	$self
1458	}	2064	}
1459		2065
1460	# find and load all maps in the 3x3 area around a map	2066	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	2067	sub load_neighbours {
1462	my ($map) = @_;	2068	my ($map) = @_;
1463		2069
1464	my @diag; # diagonal neighbours	2070	my @neigh; # diagonal neighbours
1465		2071
1466	for (0 .. 3) {	2072	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	2073	my $neigh = $map->tile_path ($_)
1468	or next;	2074	or next;
1469	$neigh = find $neigh, $map	2075	$neigh = find $neigh, $map
1470	or next;	2076	or next;
1471	$neigh->load;	2077	$neigh->load;
1472		2078
		2079	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2080	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2081	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	2082	}
1476		2083
1477	for (@diag) {	2084	for (grep defined $_->[0], @neigh) {
		2085	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	2086	my $neigh = find $path, $origin
1479	or next;	2087	or next;
1480	$neigh->load;	2088	$neigh->load;
1481	}	2089	}
1482	}	2090	}
1483		2091
…		…
1488	}	2096	}
1489		2097
1490	sub do_load_sync {	2098	sub do_load_sync {
1491	my ($map) = @_;	2099	my ($map) = @_;
1492		2100
		2101	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2102	if $Coro::current == $Coro::main;
		2103
1493	cf::sync_job { $map->load };	2104	cf::sync_job { $map->load };
1494	}	2105	}
1495		2106
1496	our %MAP_PREFETCH;	2107	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	2108	our $MAP_PREFETCHER = undef;
1498		2109
1499	sub find_async {	2110	sub find_async {
1500	my ($path, $origin) = @_;	2111	my ($path, $origin, $load) = @_;
1501		2112
1502	$path = normalise $path, $origin && $origin->{path};	2113	$path = normalise $path, $origin && $origin->{path};
1503		2114
1504	if (my $map = $cf::MAP{$path}) {	2115	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2116	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1506	}	2117	}
1507		2118
1508	undef $MAP_PREFETCH{$path};	2119	$MAP_PREFETCH{$path} |= $load;
		2120
1509	$MAP_PREFETCHER ||= cf::async {	2121	$MAP_PREFETCHER ||= cf::async {
		2122	$Coro::current->{desc} = "map prefetcher";
		2123
1510	while (%MAP_PREFETCH) {	2124	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	2125	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	2126	if (my $map = find $k) {
1513	or next;
1514	$map->load;	2127	$map->load if $v;
		2128	}
1515		2129
1516	delete $MAP_PREFETCH{$path};	2130	delete $MAP_PREFETCH{$k};
1517	}	2131	}
1518	}	2132	}
1519	undef $MAP_PREFETCHER;	2133	undef $MAP_PREFETCHER;
1520	};	2134	};
1521	$MAP_PREFETCHER->prio (6);	2135	$MAP_PREFETCHER->prio (6);
…		…
1524	}	2138	}
1525		2139
1526	sub save {	2140	sub save {
1527	my ($self) = @_;	2141	my ($self) = @_;
1528		2142
1529	my $lock = cf::lock_acquire "map_data:" . $self->path;	2143	my $lock = cf::lock_acquire "map_data:$self->{path}";
1530		2144
1531	$self->{last_save} = $cf::RUNTIME;	2145	$self->{last_save} = $cf::RUNTIME;
1532		2146
1533	return unless $self->dirty;	2147	return unless $self->dirty;
1534		2148
…		…
1540	return if $self->{deny_save};	2154	return if $self->{deny_save};
1541		2155
1542	local $self->{last_access} = $self->last_access;#d#	2156	local $self->{last_access} = $self->last_access;#d#
1543		2157
1544	cf::async {	2158	cf::async {
		2159	$Coro::current->{desc} = "map player save";
1545	$_->contr->save for $self->players;	2160	$_->contr->save for $self->players;
1546	};	2161	};
		2162
		2163	cf::get_slot 0.02;
1547		2164
1548	if ($uniq) {	2165	if ($uniq) {
1549	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2166	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1550	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2167	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1551	} else {	2168	} else {
…		…
1557	my ($self) = @_;	2174	my ($self) = @_;
1558		2175
1559	# save first because save cedes	2176	# save first because save cedes
1560	$self->save;	2177	$self->save;
1561		2178
1562	my $lock = cf::lock_acquire "map_data:" . $self->path;	2179	my $lock = cf::lock_acquire "map_data:$self->{path}";
1563		2180
1564	return if $self->players;	2181	return if $self->players;
1565	return if $self->in_memory != cf::MAP_IN_MEMORY;	2182	return if $self->in_memory != cf::MAP_ACTIVE;
1566	return if $self->{deny_save};	2183	return if $self->{deny_save};
1567		2184
		2185	$self->in_memory (cf::MAP_SWAPPED);
		2186
		2187	$self->deactivate;
		2188	$_->clear_links_to ($self) for values %cf::MAP;
1568	$self->clear;	2189	$self->clear;
1569	$self->in_memory (cf::MAP_SWAPPED);
1570	}	2190	}
1571		2191
1572	sub reset_at {	2192	sub reset_at {
1573	my ($self) = @_;	2193	my ($self) = @_;
1574		2194
1575	# TODO: safety, remove and allow resettable per-player maps	2195	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2196	return 1e99 if $self->{deny_reset};
1578		2197
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2198	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2199	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2200
…		…
1592	my ($self) = @_;	2211	my ($self) = @_;
1593		2212
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2214
1596	return if $self->players;	2215	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2216
1599	warn "resetting map ", $self->path;#d#	2217	warn "resetting map ", $self->path;
		2218
		2219	$self->in_memory (cf::MAP_SWAPPED);
		2220
		2221	# need to save uniques path
		2222	unless ($self->{deny_save}) {
		2223	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2224
		2225	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2226	if $uniq;
		2227	}
1600		2228
1601	delete $cf::MAP{$self->path};	2229	delete $cf::MAP{$self->path};
1602		2230
1603	$self->in_memory (cf::MAP_SWAPPED);	2231	$self->deactivate;
		2232	$_->clear_links_to ($self) for values %cf::MAP;
1604	$self->clear;	2233	$self->clear;
1605
1606	$_->clear_links_to ($self) for values %cf::MAP;
1607		2234
1608	$self->unlink_save;	2235	$self->unlink_save;
1609	$self->destroy;	2236	$self->destroy;
1610	}	2237	}
1611		2238
1612	my $nuke_counter = "aaaa";	2239	my $nuke_counter = "aaaa";
1613		2240
1614	sub nuke {	2241	sub nuke {
1615	my ($self) = @_;	2242	my ($self) = @_;
1616		2243
		2244	{
		2245	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2246
1617	delete $cf::MAP{$self->path};	2247	delete $cf::MAP{$self->path};
1618		2248
1619	$self->unlink_save;	2249	$self->unlink_save;
1620		2250
1621	bless $self, "cf::map";	2251	bless $self, "cf::map";
1622	delete $self->{deny_reset};	2252	delete $self->{deny_reset};
1623	$self->{deny_save} = 1;	2253	$self->{deny_save} = 1;
1624	$self->reset_timeout (1);	2254	$self->reset_timeout (1);
1625	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2255	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1626		2256
1627	$cf::MAP{$self->path} = $self;	2257	$cf::MAP{$self->path} = $self;
		2258	}
1628		2259
1629	$self->reset; # polite request, might not happen	2260	$self->reset; # polite request, might not happen
		2261	}
		2262
		2263	=item $maps = cf::map::tmp_maps
		2264
		2265	Returns an arrayref with all map paths of currently instantiated and saved
		2266	maps. May block.
		2267
		2268	=cut
		2269
		2270	sub tmp_maps() {
		2271	[
		2272	map {
		2273	utf8::decode $_;
		2274	/\.map$/
		2275	? normalise $_
		2276	: ()
		2277	} @{ aio_readdir $TMPDIR or [] }
		2278	]
		2279	}
		2280
		2281	=item $maps = cf::map::random_maps
		2282
		2283	Returns an arrayref with all map paths of currently instantiated and saved
		2284	random maps. May block.
		2285
		2286	=cut
		2287
		2288	sub random_maps() {
		2289	[
		2290	map {
		2291	utf8::decode $_;
		2292	/\.map$/
		2293	? normalise "?random/$_"
		2294	: ()
		2295	} @{ aio_readdir $RANDOMDIR or [] }
		2296	]
1630	}	2297	}
1631		2298
1632	=item cf::map::unique_maps	2299	=item cf::map::unique_maps
1633		2300
1634	Returns an arrayref of paths of all shared maps that have	2301	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2302	instantiated unique items. May block.
1636		2303
1637	=cut	2304	=cut
1638		2305
1639	sub unique_maps() {	2306	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2307	[
1641	or return;	2308	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2309	utf8::decode $_;
1647	next if /\.pst$/;	2310	s/\.map$//; # TODO future compatibility hack
1648	next unless /^$PATH_SEP/o;	2311	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1649		2312	? ()
1650	push @paths, cf::map::normalise $_;	2313	: normalise $_
		2314	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2315	]
1652
1653	\@paths
1654	}	2316	}
1655
1656	package cf;
1657		2317
1658	=back	2318	=back
1659		2319
1660	=head3 cf::object	2320	=head3 cf::object
1661		2321
…		…
1665		2325
1666	=over 4	2326	=over 4
1667		2327
1668	=item $ob->inv_recursive	2328	=item $ob->inv_recursive
1669		2329
1670	Returns the inventory of the object _and_ their inventories, recursively.	2330	Returns the inventory of the object I<and> their inventories, recursively,
		2331	but I<not> the object itself.
1671		2332
1672	=cut	2333	=cut
1673		2334
1674	sub inv_recursive_;	2335	sub inv_recursive_;
1675	sub inv_recursive_ {	2336	sub inv_recursive_ {
…		…
1678		2339
1679	sub inv_recursive {	2340	sub inv_recursive {
1680	inv_recursive_ inv $_[0]	2341	inv_recursive_ inv $_[0]
1681	}	2342	}
1682		2343
		2344	=item $ref = $ob->ref
		2345
		2346	Creates and returns a persistent reference to an object that can be stored as a string.
		2347
		2348	=item $ob = cf::object::deref ($refstring)
		2349
		2350	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2351	even if the object actually exists. May block.
		2352
		2353	=cut
		2354
		2355	sub deref {
		2356	my ($ref) = @_;
		2357
		2358	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2359	my ($uuid, $name) = ($1, $2);
		2360	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2361	or return;
		2362	$pl->ob->uuid eq $uuid
		2363	or return;
		2364
		2365	$pl->ob
		2366	} else {
		2367	warn "$ref: cannot resolve object reference\n";
		2368	undef
		2369	}
		2370	}
		2371
1683	package cf;	2372	package cf;
1684		2373
1685	=back	2374	=back
1686		2375
1687	=head3 cf::object::player	2376	=head3 cf::object::player
…		…
1693	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2382	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1694	can be C<undef>. Does the right thing when the player is currently in a	2383	can be C<undef>. Does the right thing when the player is currently in a
1695	dialogue with the given NPC character.	2384	dialogue with the given NPC character.
1696		2385
1697	=cut	2386	=cut
		2387
		2388	our $SAY_CHANNEL = {
		2389	id => "say",
		2390	title => "Map",
		2391	reply => "say ",
		2392	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2393	};
		2394
		2395	our $CHAT_CHANNEL = {
		2396	id => "chat",
		2397	title => "Chat",
		2398	reply => "chat ",
		2399	tooltip => "Player chat and shouts, global to the server.",
		2400	};
1698		2401
1699	# rough implementation of a future "reply" method that works	2402	# rough implementation of a future "reply" method that works
1700	# with dialog boxes.	2403	# with dialog boxes.
1701	#TODO: the first argument must go, split into a $npc->reply_to ( method	2404	#TODO: the first argument must go, split into a $npc->reply_to ( method
1702	sub cf::object::player::reply($$$;$) {	2405	sub cf::object::player::reply($$$;$) {
…		…
1704		2407
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2408	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2409
1707	if ($self->{record_replies}) {	2410	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2411	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2412
1709	} else {	2413	} else {
		2414	my $pl = $self->contr;
		2415
		2416	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2417	my $dialog = $pl->{npc_dialog};
		2418	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2419
		2420	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2421	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2422	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2423	}
1712	}	2424	}
		2425	}
		2426
		2427	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2428
		2429	=cut
		2430
		2431	sub cf::object::send_msg {
		2432	my $pl = shift->contr
		2433	or return;
		2434	$pl->send_msg (@_);
1713	}	2435	}
1714		2436
1715	=item $player_object->may ("access")	2437	=item $player_object->may ("access")
1716		2438
1717	Returns wether the given player is authorized to access resource "access"	2439	Returns wether the given player is authorized to access resource "access"
…		…
1730		2452
1731	=item $player_object->enter_link	2453	=item $player_object->enter_link
1732		2454
1733	Freezes the player and moves him/her to a special map (C<{link}>).	2455	Freezes the player and moves him/her to a special map (C<{link}>).
1734		2456
1735	The player should be reasonably safe there for short amounts of time. You	2457	The player should be reasonably safe there for short amounts of time (e.g.
1736	I<MUST> call C<leave_link> as soon as possible, though.	2458	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2459	though, as the palyer cannot control the character while it is on the link
		2460	map.
1737		2461
1738	Will never block.	2462	Will never block.
1739		2463
1740	=item $player_object->leave_link ($map, $x, $y)	2464	=item $player_object->leave_link ($map, $x, $y)
1741		2465
…		…
1764	$self->deactivate_recursive;	2488	$self->deactivate_recursive;
1765		2489
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2490	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2491
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2492	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2493	if $self->map && $self->map->{path} ne "{link}";
1770		2494
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2495	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2496	}
1773		2497
1774	sub cf::object::player::leave_link {	2498	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2499	my ($self, $map, $x, $y) = @_;
		2500
		2501	return unless $self->contr->active;
1776		2502
1777	my $link_pos = delete $self->{_link_pos};	2503	my $link_pos = delete $self->{_link_pos};
1778		2504
1779	unless ($map) {	2505	unless ($map) {
1780	# restore original map position	2506	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2520	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2521	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2522	if $x <=0 && $y <= 0;
1797		2523
1798	$map->load;	2524	$map->load;
1799	$map->load_diag;	2525	$map->load_neighbours;
1800		2526
1801	return unless $self->contr->active;	2527	return unless $self->contr->active;
		2528	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1802	$self->activate_recursive;	2529	$self->activate_recursive;
		2530
		2531	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2532	$self->enter_map ($map, $x, $y);
1804	}	2533	}
1805		2534
1806	cf::player->attach (	2535	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2536
1810	# abort map switching before logout	2537	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2538	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2539	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2540	the new (success) or old (failed) map position. In either case, $done will
1814	};	2541	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2542
1820	# try to abort aborted map switching on player login :)	2543	Note that $check will be called with a potentially non-loaded map, so if
1821	# should happen only on crashes	2544	it needs a loaded map it has to call C<< ->load >>.
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837		2545
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2546	=cut
		2547
		2548	our $GOTOGEN;
1841		2549
1842	sub cf::object::player::goto {	2550	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2551	my ($self, $path, $x, $y, $check, $done) = @_;
		2552
		2553	# do generation counting so two concurrent goto's will be executed in-order
		2554	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2555
1845	$self->enter_link;	2556	$self->enter_link;
1846		2557
1847	(async {	2558	(async {
		2559	$Coro::current->{desc} = "player::goto $path $x $y";
		2560
		2561	# *tag paths override both path and x|y
		2562	if ($path =~ /^\*(.*)$/) {
		2563	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2564	my $ob = $obs[rand @obs];
		2565
		2566	# see if we actually can go there
		2567	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2568	$ob = $obs[rand @obs];
		2569	} else {
		2570	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2571	}
		2572	# else put us there anyways for now #d#
		2573
		2574	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2575	} else {
		2576	($path, $x, $y) = (undef, undef, undef);
		2577	}
		2578	}
		2579
1848	my $map = eval {	2580	my $map = eval {
1849	my $map = cf::map::find $path;	2581	my $map = defined $path ? cf::map::find $path : undef;
		2582
		2583	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2584	$map = $map->customise_for ($self);
		2585	$map = $check->($map) if $check && $map;
		2586	} else {
		2587	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	}
		2589
1851	$map	2590	$map
		2591	};
		2592
		2593	if ($@) {
		2594	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2595	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2596	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2597
		2598	if ($gen == $self->{_goto_generation}) {
		2599	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2600	$self->leave_link ($map, $x, $y);
		2601	}
		2602
		2603	$done->() if $done;
1856	})->prio (1);	2604	})->prio (1);
1857	}	2605	}
1858		2606
1859	=item $player_object->enter_exit ($exit_object)	2607	=item $player_object->enter_exit ($exit_object)
1860		2608
…		…
1880	}	2628	}
1881		2629
1882	sub prepare_random_map {	2630	sub prepare_random_map {
1883	my ($exit) = @_;	2631	my ($exit) = @_;
1884		2632
1885	my $guard = cf::lock_acquire "exit_prepare:$exit";
1886
1887	# all this does is basically replace the /! path by	2633	# all this does is basically replace the /! path by
1888	# a new random map path (?random/...) with a seed	2634	# a new random map path (?random/...) with a seed
1889	# that depends on the exit object	2635	# that depends on the exit object
1890		2636
1891	my $rmp = parse_random_map_params $exit->msg;	2637	my $rmp = parse_random_map_params $exit->msg;
…		…
1893	if ($exit->map) {	2639	if ($exit->map) {
1894	$rmp->{region} = $exit->region->name;	2640	$rmp->{region} = $exit->region->name;
1895	$rmp->{origin_map} = $exit->map->path;	2641	$rmp->{origin_map} = $exit->map->path;
1896	$rmp->{origin_x} = $exit->x;	2642	$rmp->{origin_x} = $exit->x;
1897	$rmp->{origin_y} = $exit->y;	2643	$rmp->{origin_y} = $exit->y;
		2644
		2645	$exit->map->touch;
1898	}	2646	}
1899		2647
1900	$rmp->{random_seed} ||= $exit->random_seed;	2648	$rmp->{random_seed} ||= $exit->random_seed;
1901		2649
1902	my $data = cf::to_json $rmp;	2650	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1903	my $md5 = Digest::MD5::md5_hex $data;	2651	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2652	my $meta = "$RANDOMDIR/$md5.meta";
1905		2653
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2654	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2655	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2656	undef $fh;
1909	aio_rename "$meta~", $meta;	2657	aio_rename "$meta~", $meta;
1910		2658
		2659	my $slaying = "?random/$md5";
		2660
		2661	if ($exit->valid) {
1911	$exit->slaying ("?random/$md5");	2662	$exit->slaying ("?random/$md5");
1912	$exit->msg (undef);	2663	$exit->msg (undef);
		2664	}
1913	}	2665	}
1914	}	2666	}
1915		2667
1916	sub cf::object::player::enter_exit {	2668	sub cf::object::player::enter_exit {
1917	my ($self, $exit) = @_;	2669	my ($self, $exit) = @_;
1918		2670
1919	return unless $self->type == cf::PLAYER;	2671	return unless $self->type == cf::PLAYER;
1920		2672
1921	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job
1923	cf::sync_job { prepare_random_map $exit };
1924	}
1925
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;
1929
1930	$self->enter_link;	2673	$self->enter_link;
1931		2674
1932	(async {	2675	(async {
1933	$self->deactivate_recursive; # just to be sure	2676	$Coro::current->{desc} = "enter_exit";
		2677
1934	unless (eval {	2678	unless (eval {
		2679	$self->deactivate_recursive; # just to be sure
		2680
		2681	# random map handling
		2682	{
		2683	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2684
		2685	prepare_random_map $exit
		2686	if $exit->slaying eq "/!";
		2687	}
		2688
		2689	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2690	my $x = $exit->stats->hp;
		2691	my $y = $exit->stats->sp;
		2692
1935	$self->goto ($slaying, $hp, $sp);	2693	$self->goto ($map, $x, $y);
1936		2694
		2695	# if exit is damned, update players death & WoR home-position
		2696	$self->contr->savebed ($map, $x, $y)
		2697	if $exit->flag (cf::FLAG_DAMNED);
		2698
1937	1;	2699	1
1938	}) {	2700	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2701	$self->message ("Something went wrong deep within the deliantra server. "
1940	. "I'll try to bring you back to the map you were before. "	2702	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2703	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2704	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2705
1944	warn "ERROR in enter_exit: $@";	2706	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2707	$self->leave_link;
1946	}	2708	}
1947	})->prio (1);	2709	})->prio (1);
…		…
1960		2722
1961	sub cf::client::send_drawinfo {	2723	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2724	my ($self, $text, $flags) = @_;
1963		2725
1964	utf8::encode $text;	2726	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2727	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2728	}
1967		2729
		2730	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2731
		2732	Send a drawinfo or msg packet to the client, formatting the msg for the
		2733	client if neccessary. C<$type> should be a string identifying the type of
		2734	the message, with C<log> being the default. If C<$color> is negative, suppress
		2735	the message unless the client supports the msg packet.
		2736
		2737	=cut
		2738
		2739	# non-persistent channels (usually the info channel)
		2740	our %CHANNEL = (
		2741	"c/identify" => {
		2742	id => "infobox",
		2743	title => "Identify",
		2744	reply => undef,
		2745	tooltip => "Items recently identified",
		2746	},
		2747	"c/examine" => {
		2748	id => "infobox",
		2749	title => "Examine",
		2750	reply => undef,
		2751	tooltip => "Signs and other items you examined",
		2752	},
		2753	"c/book" => {
		2754	id => "infobox",
		2755	title => "Book",
		2756	reply => undef,
		2757	tooltip => "The contents of a note or book",
		2758	},
		2759	"c/lookat" => {
		2760	id => "infobox",
		2761	title => "Look",
		2762	reply => undef,
		2763	tooltip => "What you saw there",
		2764	},
		2765	"c/who" => {
		2766	id => "infobox",
		2767	title => "Players",
		2768	reply => undef,
		2769	tooltip => "Shows players who are currently online",
		2770	},
		2771	"c/body" => {
		2772	id => "infobox",
		2773	title => "Body Parts",
		2774	reply => undef,
		2775	tooltip => "Shows which body parts you posess and are available",
		2776	},
		2777	"c/skills" => {
		2778	id => "infobox",
		2779	title => "Skills",
		2780	reply => undef,
		2781	tooltip => "Shows your experience per skill and item power",
		2782	},
		2783	"c/uptime" => {
		2784	id => "infobox",
		2785	title => "Uptime",
		2786	reply => undef,
		2787	tooltip => "How long the server has been running since last restart",
		2788	},
		2789	"c/mapinfo" => {
		2790	id => "infobox",
		2791	title => "Map Info",
		2792	reply => undef,
		2793	tooltip => "Information related to the maps",
		2794	},
		2795	"c/party" => {
		2796	id => "party",
		2797	title => "Party",
		2798	reply => "gsay ",
		2799	tooltip => "Messages and chat related to your party",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg)
		2807	unless $color & cf::NDI_VERBATIM;
		2808
		2809	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2810
		2811	# check predefined channels, for the benefit of C
		2812	if ($CHANNEL{$channel}) {
		2813	$channel = $CHANNEL{$channel};
		2814
		2815	$self->ext_msg (channel_info => $channel)
		2816	if $self->can_msg;
		2817
		2818	$channel = $channel->{id};
		2819
		2820	} elsif (ref $channel) {
		2821	# send meta info to client, if not yet sent
		2822	unless (exists $self->{channel}{$channel->{id}}) {
		2823	$self->{channel}{$channel->{id}} = $channel;
		2824	$self->ext_msg (channel_info => $channel)
		2825	if $self->can_msg;
		2826	}
		2827
		2828	$channel = $channel->{id};
		2829	}
		2830
		2831	return unless @extra || length $msg;
		2832
		2833	if ($self->can_msg) {
		2834	# default colour, mask it out
		2835	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2836	if $color & cf::NDI_DEF;
		2837
		2838	my $pkt = "msg "
		2839	. $self->{json_coder}->encode (
		2840	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2841	);
		2842
		2843	# try lzf for large packets
		2844	$pkt = "lzf " . Compress::LZF::compress $pkt
		2845	if 1024 <= length $pkt and $self->{can_lzf};
		2846
		2847	# split very large packets
		2848	if (8192 < length $pkt and $self->{can_lzf}) {
		2849	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2850	$pkt = "frag";
		2851	}
		2852
		2853	$self->send_packet ($pkt);
		2854	} else {
		2855	if ($color >= 0) {
		2856	# replace some tags by gcfclient-compatible ones
		2857	for ($msg) {
		2858	1 while
		2859	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2860	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2861	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2862	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2863	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2864	}
		2865
		2866	$color &= cf::NDI_COLOR_MASK;
		2867
		2868	utf8::encode $msg;
		2869
		2870	if (0 && $msg =~ /\[/) {
		2871	# COMMAND/INFO
		2872	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2873	} else {
		2874	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2875	$self->send_packet ("drawinfo $color $msg")
		2876	}
		2877	}
		2878	}
		2879	}
		2880
		2881	=item $client->ext_msg ($type, @msg)
		2882
		2883	Sends an ext event to the client.
		2884
		2885	=cut
		2886
		2887	sub cf::client::ext_msg($$@) {
		2888	my ($self, $type, @msg) = @_;
		2889
		2890	if ($self->extcmd == 2) {
		2891	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2892	} elsif ($self->extcmd == 1) { # TODO: remove
		2893	push @msg, msgtype => "event_$type";
		2894	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2895	}
		2896	}
		2897
		2898	=item $client->ext_reply ($msgid, @msg)
		2899
		2900	Sends an ext reply to the client.
		2901
		2902	=cut
		2903
		2904	sub cf::client::ext_reply($$@) {
		2905	my ($self, $id, @msg) = @_;
		2906
		2907	if ($self->extcmd == 2) {
		2908	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2909	} elsif ($self->extcmd == 1) {
		2910	#TODO: version 1, remove
		2911	unshift @msg, msgtype => "reply", msgid => $id;
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
1968		2915
1969	=item $success = $client->query ($flags, "text", \&cb)	2916	=item $success = $client->query ($flags, "text", \&cb)
1970		2917
1971	Queues a query to the client, calling the given callback with	2918	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2919	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2920	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2921
1975	Queries can fail, so check the return code. Or don't, as queries will become	2922	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2923	become reliable at some point in the future.
1977		2924
1978	=cut	2925	=cut
1979		2926
1980	sub cf::client::query {	2927	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2928	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2936	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2937	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2938
1992	$self->send_packet ($self->{query_queue}[0][0])	2939	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2940	if @{ $self->{query_queue} } == 1;
		2941
		2942	1
1994	}	2943	}
1995		2944
1996	cf::client->attach (	2945	cf::client->attach (
		2946	on_connect => sub {
		2947	my ($ns) = @_;
		2948
		2949	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2950	},
1997	on_reply => sub {	2951	on_reply => sub {
1998	my ($ns, $msg) = @_;	2952	my ($ns, $msg) = @_;
1999		2953
2000	# this weird shuffling is so that direct followup queries	2954	# this weird shuffling is so that direct followup queries
2001	# get handled first	2955	# get handled first
2002	my $queue = delete $ns->{query_queue}	2956	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2957	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2958
2005	(shift @$queue)->[1]->($msg);	2959	(shift @$queue)->[1]->($msg);
		2960	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2961
2007	push @{ $ns->{query_queue} }, @$queue;	2962	push @{ $ns->{query_queue} }, @$queue;
2008		2963
2009	if (@{ $ns->{query_queue} } == @$queue) {	2964	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2965	if (@$queue) {
…		…
2012	} else {	2967	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2968	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2969	}
2015	}	2970	}
2016	},	2971	},
		2972	on_exticmd => sub {
		2973	my ($ns, $buf) = @_;
		2974
		2975	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2976
		2977	if (ref $msg) {
		2978	my ($type, $reply, @payload) =
		2979	"ARRAY" eq ref $msg
		2980	? @$msg
		2981	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2982
		2983	my @reply;
		2984
		2985	if (my $cb = $EXTICMD{$type}) {
		2986	@reply = $cb->($ns, @payload);
		2987	}
		2988
		2989	$ns->ext_reply ($reply, @reply)
		2990	if $reply;
		2991
		2992	} else {
		2993	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2994	}
		2995
		2996	cf::override;
		2997	},
2017	);	2998	);
2018		2999
2019	=item $client->async (\&cb)	3000	=item $client->async (\&cb)
2020		3001
2021	Create a new coroutine, running the specified callback. The coroutine will	3002	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	3043	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	3044	our $safe_hole = new Safe::Hole;
2064		3045
2065	$SIG{FPE} = 'IGNORE';	3046	$SIG{FPE} = 'IGNORE';
2066		3047
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3048	$safe->permit_only (Opcode::opset qw(
		3049	:base_core :base_mem :base_orig :base_math
		3050	grepstart grepwhile mapstart mapwhile
		3051	sort time
		3052	));
2068		3053
2069	# here we export the classes and methods available to script code	3054	# here we export the classes and methods available to script code
2070		3055
2071	=pod	3056	=pod
2072		3057
2073	The following fucntions and emthods are available within a safe environment:	3058	The following functions and methods are available within a safe environment:
2074		3059
2075	cf::object contr pay_amount pay_player map	3060	cf::object
		3061	contr pay_amount pay_player map x y force_find force_add destroy
		3062	insert remove name archname title slaying race decrease split
		3063
2076	cf::object::player player	3064	cf::object::player
2077	cf::player peaceful	3065	player
2078	cf::map trigger	3066
		3067	cf::player
		3068	peaceful
		3069
		3070	cf::map
		3071	trigger
2079		3072
2080	=cut	3073	=cut
2081		3074
2082	for (	3075	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	3076	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3077	insert remove inv nrof name archname title slaying race
		3078	decrease split destroy change_exp)],
2084	["cf::object::player" => qw(player)],	3079	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	3080	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	3081	["cf::map" => qw(trigger)],
2087	) {	3082	) {
2088	no strict 'refs';	3083	no strict 'refs';
…		…
2159	=back	3154	=back
2160		3155
2161	=cut	3156	=cut
2162		3157
2163	#############################################################################	3158	#############################################################################
		3159	# the server's init and main functions
2164		3160
2165	=head2 EXTENSION DATABASE SUPPORT	3161	sub load_facedata($) {
		3162	my ($path) = @_;
2166		3163
2167	Crossfire maintains a very simple database for extension use. It can	3164	# HACK to clear player env face cache, we need some signal framework
2168	currently store anything that can be serialised using Storable, which	3165	# for this (global event?)
2169	excludes objects.	3166	%ext::player_env::MUSIC_FACE_CACHE = ();
2170		3167
2171	The parameter C<$family> should best start with the name of the extension	3168	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2172	using it, it should be unique.
2173		3169
2174	=over 4	3170	warn "loading facedata from $path\n";
2175		3171
2176	=item $hashref = cf::db_get $family	3172	my $facedata;
		3173	0 < aio_load $path, $facedata
		3174	or die "$path: $!";
2177		3175
2178	Return a hashref for use by the extension C<$family>, which can be	3176	$facedata = Coro::Storable::thaw $facedata;
2179	modified. After modifications, you have to call C<cf::db_dirty> or
2180	C<cf::db_sync>.
2181		3177
2182	=item $value = cf::db_get $family => $key	3178	$facedata->{version} == 2
		3179	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183		3180
2184	Returns a single value from the database	3181	# patch in the exptable
2185		3182	$facedata->{resource}{"res/exp_table"} = {
2186	=item cf::db_put $family => $hashref	3183	type => FT_RSRC,
2187		3184	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	3185	};
		3186	cf::cede_to_tick;
2214		3187
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	3188	{
		3189	my $faces = $facedata->{faceinfo};
2226		3190
2227	my $dirty;	3191	while (my ($face, $info) = each %$faces) {
		3192	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2228		3193
2229	sub db_sync() {	3194	cf::face::set_visibility $idx, $info->{visibility};
2230	db_save if $dirty;	3195	cf::face::set_magicmap $idx, $info->{magicmap};
2231	undef $dirty;	3196	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2232	}	3197	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2233		3198
2234	my $idle = Event->idle (	3199	cf::cede_to_tick;
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	3200	}
2268	);
2269	}
2270		3201
2271	#############################################################################	3202	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	3203	next unless $info->{smooth};
2273		3204
2274	sub cfg_load {	3205	my $idx = cf::face::find $face
		3206	or next;
		3207
		3208	if (my $smooth = cf::face::find $info->{smooth}) {
		3209	cf::face::set_smooth $idx, $smooth;
		3210	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3211	} else {
		3212	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3213	}
		3214
		3215	cf::cede_to_tick;
		3216	}
		3217	}
		3218
		3219	{
		3220	my $anims = $facedata->{animinfo};
		3221
		3222	while (my ($anim, $info) = each %$anims) {
		3223	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3224	cf::cede_to_tick;
		3225	}
		3226
		3227	cf::anim::invalidate_all; # d'oh
		3228	}
		3229
		3230	{
		3231	# TODO: for gcfclient pleasure, we should give resources
		3232	# that gcfclient doesn't grok a >10000 face index.
		3233	my $res = $facedata->{resource};
		3234
		3235	while (my ($name, $info) = each %$res) {
		3236	if (defined $info->{type}) {
		3237	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3238	my $data;
		3239
		3240	if ($info->{type} & 1) {
		3241	# prepend meta info
		3242
		3243	my $meta = $enc->encode ({
		3244	name => $name,
		3245	%{ $info->{meta} || {} },
		3246	});
		3247
		3248	$data = pack "(w/a*)*", $meta, $info->{data};
		3249	} else {
		3250	$data = $info->{data};
		3251	}
		3252
		3253	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3254	cf::face::set_type $idx, $info->{type};
		3255	} else {
		3256	$RESOURCE{$name} = $info;
		3257	}
		3258
		3259	cf::cede_to_tick;
		3260	}
		3261	}
		3262
		3263	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3264
		3265	1
		3266	}
		3267
		3268	cf::global->attach (on_resource_update => sub {
		3269	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3270	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3271
		3272	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3273	my $sound = $soundconf->{compat}[$_]
		3274	or next;
		3275
		3276	my $face = cf::face::find "sound/$sound->[1]";
		3277	cf::sound::set $sound->[0] => $face;
		3278	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3279	}
		3280
		3281	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3282	my $face = cf::face::find "sound/$v";
		3283	cf::sound::set $k => $face;
		3284	}
		3285	}
		3286	});
		3287
		3288	register_exticmd fx_want => sub {
		3289	my ($ns, $want) = @_;
		3290
		3291	while (my ($k, $v) = each %$want) {
		3292	$ns->fx_want ($k, $v);
		3293	}
		3294	};
		3295
		3296	sub load_resource_file($) {
		3297	my $guard = lock_acquire "load_resource_file";
		3298
		3299	my $status = load_resource_file_ $_[0];
		3300	get_slot 0.1, 100;
		3301	cf::arch::commit_load;
		3302
		3303	$status
		3304	}
		3305
		3306	sub reload_regions {
		3307	# HACK to clear player env face cache, we need some signal framework
		3308	# for this (global event?)
		3309	%ext::player_env::MUSIC_FACE_CACHE = ();
		3310
		3311	load_resource_file "$MAPDIR/regions"
		3312	or die "unable to load regions file\n";
		3313
		3314	for (cf::region::list) {
		3315	$_->{match} = qr/$_->{match}/
		3316	if exists $_->{match};
		3317	}
		3318	}
		3319
		3320	sub reload_facedata {
		3321	load_facedata "$DATADIR/facedata"
		3322	or die "unable to load facedata\n";
		3323	}
		3324
		3325	sub reload_archetypes {
		3326	load_resource_file "$DATADIR/archetypes"
		3327	or die "unable to load archetypes\n";
		3328	}
		3329
		3330	sub reload_treasures {
		3331	load_resource_file "$DATADIR/treasures"
		3332	or die "unable to load treasurelists\n";
		3333	}
		3334
		3335	sub reload_resources {
		3336	warn "reloading resource files...\n";
		3337
		3338	reload_facedata;
		3339	reload_archetypes;
		3340	reload_regions;
		3341	reload_treasures;
		3342
		3343	warn "finished reloading resource files\n";
		3344	}
		3345
		3346	sub init {
		3347	my $guard = freeze_mainloop;
		3348
		3349	evthread_start IO::AIO::poll_fileno;
		3350
		3351	reload_resources;
		3352	}
		3353
		3354	sub reload_config {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3355	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3356	or return;
2277		3357
2278	local $/;	3358	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3359	*CFG = YAML::Load <$fh>;
2280		3360
2281	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3361	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2282		3362
2283	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3363	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2284	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3364	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2290	};	3370	};
2291	warn $@ if $@;	3371	warn $@ if $@;
2292	}	3372	}
2293	}	3373	}
2294		3374
		3375	sub pidfile() {
		3376	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3377	or die "$PIDFILE: $!";
		3378	flock $fh, &Fcntl::LOCK_EX
		3379	or die "$PIDFILE: flock: $!";
		3380	$fh
		3381	}
		3382
		3383	# make sure only one server instance is running at any one time
		3384	sub atomic {
		3385	my $fh = pidfile;
		3386
		3387	my $pid = <$fh>;
		3388	kill 9, $pid if $pid > 0;
		3389
		3390	seek $fh, 0, 0;
		3391	print $fh $$;
		3392	}
		3393
2295	sub main {	3394	sub main {
		3395	atomic;
		3396
2296	# we must not ever block the main coroutine	3397	# we must not ever block the main coroutine
2297	local $Coro::idle = sub {	3398	local $Coro::idle = sub {
2298	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3399	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2299	(async {	3400	(async {
2300	Event::one_event;	3401	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3402	EV::loop EV::LOOP_ONESHOT;
2301	})->prio (Coro::PRIO_MAX);	3403	})->prio (Coro::PRIO_MAX);
2302	};	3404	};
2303		3405
2304	cfg_load;	3406	{
2305	db_load;	3407	my $guard = freeze_mainloop;
		3408	reload_config;
		3409	db_init;
2306	load_extensions;	3410	load_extensions;
2307		3411
2308	$TICK_WATCHER->start;	3412	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3413	}
		3414
		3415	utime time, time, $RUNTIMEFILE;
		3416
		3417	# no (long-running) fork's whatsoever before this point(!)
		3418	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3419
2309	Event::loop;	3420	EV::loop;
2310	}	3421	}
2311		3422
2312	#############################################################################	3423	#############################################################################
2313	# initialisation and cleanup	3424	# initialisation and cleanup
2314		3425
2315	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2316	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2317	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2318	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2319	reentrant => 0,
2320	data => WF_AUTOCANCEL,
2321	signal => $signal,
2322	prio => 0,
2323	cb => sub {
2324	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2325	},
2326	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	# first touch the runtime file to show we are still running:
		3438	# the fsync below can take a very very long time.
		3439
		3440	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3441
		3442	my $guard = cf::lock_acquire "write_runtime";
		3443
		3444	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3445	or return;
		3446
		3447	my $value = $cf::RUNTIME + 90 + 10;
		3448	# 10 is the runtime save interval, for a monotonic clock
		3449	# 60 allows for the watchdog to kill the server.
		3450
		3451	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3452	and return;
		3453
		3454	# always fsync - this file is important
		3455	aio_fsync $fh
		3456	and return;
		3457
		3458	# touch it again to show we are up-to-date
		3459	aio_utime $fh, undef, undef;
		3460
		3461	close $fh
		3462	or return;
		3463
		3464	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3465	and return;
		3466
		3467	warn "runtime file written.\n";
		3468
2327	}	3469	1
		3470	}
		3471
		3472	our $uuid_lock;
		3473	our $uuid_skip;
		3474
		3475	sub write_uuid_sync($) {
		3476	$uuid_skip ||= $_[0];
		3477
		3478	return if $uuid_lock;
		3479	local $uuid_lock = 1;
		3480
		3481	my $uuid = "$LOCALDIR/uuid";
		3482
		3483	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3484	or return;
		3485
		3486	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3487	$uuid_skip = 0;
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$uuid~", $uuid
		3500	and return;
		3501
		3502	warn "uuid file written ($value).\n";
		3503
		3504	1
		3505
		3506	}
		3507
		3508	sub write_uuid($$) {
		3509	my ($skip, $sync) = @_;
		3510
		3511	$sync ? write_uuid_sync $skip
		3512	: async { write_uuid_sync $skip };
2328	}	3513	}
2329		3514
2330	sub emergency_save() {	3515	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3516	my $freeze_guard = cf::freeze_mainloop;
2332		3517
…		…
2338	# and maps saved/destroyed asynchronously.	3523	# and maps saved/destroyed asynchronously.
2339	warn "begin emergency player save\n";	3524	warn "begin emergency player save\n";
2340	for my $login (keys %cf::PLAYER) {	3525	for my $login (keys %cf::PLAYER) {
2341	my $pl = $cf::PLAYER{$login} or next;	3526	my $pl = $cf::PLAYER{$login} or next;
2342	$pl->valid or next;	3527	$pl->valid or next;
		3528	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2343	$pl->save;	3529	$pl->save;
2344	}	3530	}
2345	warn "end emergency player save\n";	3531	warn "end emergency player save\n";
2346		3532
2347	warn "begin emergency map save\n";	3533	warn "begin emergency map save\n";
…		…
2349	my $map = $cf::MAP{$path} or next;	3535	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3536	$map->valid or next;
2351	$map->save;	3537	$map->save;
2352	}	3538	}
2353	warn "end emergency map save\n";	3539	warn "end emergency map save\n";
		3540
		3541	warn "begin emergency database checkpoint\n";
		3542	BDB::db_env_txn_checkpoint $DB_ENV;
		3543	warn "end emergency database checkpoint\n";
		3544
		3545	warn "begin write uuid\n";
		3546	write_uuid_sync 1;
		3547	warn "end write uuid\n";
2354	};	3548	};
2355		3549
2356	warn "leave emergency perl save\n";	3550	warn "leave emergency perl save\n";
2357	}	3551	}
2358		3552
		3553	sub post_cleanup {
		3554	my ($make_core) = @_;
		3555
		3556	warn Carp::longmess "post_cleanup backtrace"
		3557	if $make_core;
		3558
		3559	my $fh = pidfile;
		3560	unlink $PIDFILE if <$fh> == $$;
		3561	}
		3562
		3563	# a safer delete_package, copied from Symbol
		3564	sub clear_package($) {
		3565	my $pkg = shift;
		3566
		3567	# expand to full symbol table name if needed
		3568	unless ($pkg =~ /^main::.*::$/) {
		3569	$pkg = "main$pkg" if $pkg =~ /^::/;
		3570	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3571	$pkg .= '::' unless $pkg =~ /::$/;
		3572	}
		3573
		3574	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3575	my $stem_symtab = *{$stem}{HASH};
		3576
		3577	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3578	or return;
		3579
		3580	# clear all symbols
		3581	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3582	for my $name (keys %$leaf_symtab) {
		3583	_gv_clear *{"$pkg$name"};
		3584	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3585	}
		3586	warn "cleared package $pkg\n";#d#
		3587	}
		3588
2359	sub reload() {	3589	sub do_reload_perl() {
2360	# can/must only be called in main	3590	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3591	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3592	warn "can only reload from main coroutine";
2363	return;	3593	return;
2364	}	3594	}
2365		3595
		3596	return if $RELOAD++;
		3597
		3598	while ($RELOAD) {
2366	warn "reloading...";	3599	warn "reloading...";
2367		3600
2368	warn "cancelling server ticker";	3601	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2371	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2372		3607
2373	eval {	3608	warn "syncing database to disk";
		3609	BDB::db_env_txn_checkpoint $DB_ENV;
		3610
2374	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2375		3612
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378
2379	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}
2383
2384	warn "flushing outstanding aio requests";	3613	warn "flushing outstanding aio requests";
2385	for (;;) {	3614	while (IO::AIO::nreqs || BDB::nreqs) {
2386	IO::AIO::flush;	3615	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2387	Coro::cede;
2388	last unless IO::AIO::nreqs;
2389	warn "iterate...";
2390	}
2391
2392	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();
2395
2396	warn "removing commands";
2397	%COMMAND = ();
2398
2399	warn "removing ext commands";
2400	%EXTCMD = ();
2401
2402	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";
2405
2406	if (my $cb = $pkg->can ("unload")) {
2407	eval {
2408	$cb->($pkg);
2409	1
2410	} or warn "$pkg unloaded, but with errors: $@";
2411	}	3616	}
2412		3617
2413	warn "... nuking $pkg";	3618	warn "cancelling all extension coros";
2414	Symbol::delete_package $pkg;	3619	$_->cancel for values %EXT_CORO;
2415	}	3620	%EXT_CORO = ();
2416		3621
2417	warn "unloading all perl modules loaded from $LIBDIR";	3622	warn "removing commands";
2418	while (my ($k, $v) = each %INC) {	3623	%COMMAND = ();
2419	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2420		3624
		3625	warn "removing ext/exti commands";
		3626	%EXTCMD = ();
		3627	%EXTICMD = ();
		3628
		3629	warn "unloading/nuking all extensions";
		3630	for my $pkg (@EXTS) {
2421	warn "... unloading $k";	3631	warn "... unloading $pkg";
2422	delete $INC{$k};
2423		3632
2424	$k =~ s/\.pm$//;
2425	$k =~ s/\//::/g;
2426
2427	if (my $cb = $k->can ("unload_module")) {	3633	if (my $cb = $pkg->can ("unload")) {
		3634	eval {
2428	$cb->();	3635	$cb->($pkg);
		3636	1
		3637	} or warn "$pkg unloaded, but with errors: $@";
		3638	}
		3639
		3640	warn "... clearing $pkg";
		3641	clear_package $pkg;
2429	}	3642	}
2430		3643
2431	Symbol::delete_package $k;	3644	warn "unloading all perl modules loaded from $LIBDIR";
		3645	while (my ($k, $v) = each %INC) {
		3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3647
		3648	warn "... unloading $k";
		3649	delete $INC{$k};
		3650
		3651	$k =~ s/\.pm$//;
		3652	$k =~ s/\//::/g;
		3653
		3654	if (my $cb = $k->can ("unload_module")) {
		3655	$cb->();
		3656	}
		3657
		3658	clear_package $k;
2432	}	3659	}
2433		3660
2434	warn "getting rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2435	Symbol::delete_package "safe::$_"	3662	clear_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3664
2438	warn "unloading cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2440		3668
2441	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3670	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3671	#clear_package __PACKAGE__;
2444		3672
2445	warn "unload completed, starting to reload now";	3673	warn "unload completed, starting to reload now";
2446		3674
2447	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2448	require cf;	3676	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3678
2451	warn "loading config and database again";	3679	warn "loading config and database again";
2452	cf::cfg_load;	3680	cf::reload_config;
2453	cf::db_load;
2454		3681
2455	warn "loading extensions";	3682	warn "loading extensions";
2456	cf::load_extensions;	3683	cf::load_extensions;
2457		3684
2458	warn "reattaching attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3686	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3687	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
2462		3691
2463	warn "restarting server ticker";	3692	warn "leaving sync_job";
2464		3693
2465	$TICK_WATCHER->start;	3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
		3698	};
		3699
		3700	warn "reloaded";
		3701	--$RELOAD;
		3702	}
		3703	};
		3704
		3705	our $RELOAD_WATCHER; # used only during reload
		3706
		3707	sub reload_perl() {
		3708	# doing reload synchronously and two reloads happen back-to-back,
		3709	# coro crashes during coro_state_free->destroy here.
		3710
		3711	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3712	do_reload_perl;
		3713	undef $RELOAD_WATCHER;
2466	};	3714	};
2467		3715	}
2468	if ($@) {
2469	warn $@;
2470	warn "error while reloading, exiting.";
2471	exit 1;
2472	}
2473
2474	warn "reloaded";
2475	};
2476
2477	our $RELOAD_WATCHER; # used only during reload
2478		3716
2479	register_command "reload" => sub {	3717	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3718	my ($who, $arg) = @_;
2481		3719
2482	if ($who->flag (FLAG_WIZ)) {	3720	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3721	$who->message ("reloading server.");
2484		3722	async {
2485	# doing reload synchronously and two reloads happen back-to-back,	3723	$Coro::current->{desc} = "perl_reload";
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;	3724	reload_perl;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);	3725	};
2497	}	3726	}
2498	};	3727	};
2499		3728
2500	unshift @INC, $LIBDIR;	3729	unshift @INC, $LIBDIR;
2501		3730
2502	my $bug_warning = 0;	3731	my $bug_warning = 0;
2503		3732
2504	$TICK_WATCHER = Event->timer (	3733	our @WAIT_FOR_TICK;
2505	reentrant => 0,	3734	our @WAIT_FOR_TICK_BEGIN;
2506	parked => 1,	3735
2507	prio => 0,	3736	sub wait_for_tick {
2508	at => $NEXT_TICK || $TICK,	3737	return if tick_inhibit || $Coro::current == $Coro::main;
2509	data => WF_AUTOCANCEL,	3738
2510	cb => sub {	3739	my $signal = new Coro::Signal;
		3740	push @WAIT_FOR_TICK, $signal;
		3741	$signal->wait;
		3742	}
		3743
		3744	sub wait_for_tick_begin {
		3745	return if tick_inhibit || $Coro::current == $Coro::main;
		3746
		3747	my $signal = new Coro::Signal;
		3748	push @WAIT_FOR_TICK_BEGIN, $signal;
		3749	$signal->wait;
		3750	}
		3751
		3752	sub tick {
2511	if ($Coro::current != $Coro::main) {	3753	if ($Coro::current != $Coro::main) {
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3754	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3755	unless ++$bug_warning > 10;
2514	return;	3756	return;
2515	}	3757	}
2516		3758
2517	$NOW = Event::time;
2518
2519	cf::server_tick; # one server iteration	3759	cf::server_tick; # one server iteration
2520	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;
2522		3760
2523	$WAIT_FOR_TICK->broadcast;	3761	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3762	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2525		3763	Coro::async_pool {
2526	Event::sweep;	3764	$Coro::current->{desc} = "runtime saver";
2527	Coro::cede_notself;
2528
2529	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#
2531
2532	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2534
2535	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;
2537	},
2538	);
2539
2540	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,
2545	fd => IO::AIO::poll_fileno,
2546	poll => 'r',
2547	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,
2550	);
2551
2552	$WRITE_RUNTIME_WATCHER = Event->timer (
2553	reentrant => 0,
2554	data => WF_AUTOCANCEL,
2555	after => 1,
2556	interval => 10,
2557	prio => 6, # keep it lowest so it acts like a watchdog
2558	cb => Coro::unblock_sub {
2559	write_runtime	3765	write_runtime_sync
2560	or warn "ERROR: unable to write runtime file: $!";	3766	or warn "ERROR: unable to write runtime file: $!";
		3767	};
2561	},	3768	}
2562	);	3769
		3770	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3771	$sig->send;
		3772	}
		3773	while (my $sig = shift @WAIT_FOR_TICK) {
		3774	$sig->send;
		3775	}
		3776
		3777	$LOAD = ($NOW - $TICK_START) / $TICK;
		3778	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3779
		3780	if (0) {
		3781	if ($NEXT_TICK) {
		3782	my $jitter = $TICK_START - $NEXT_TICK;
		3783	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3784	warn "jitter $JITTER\n";#d#
		3785	}
		3786	}
		3787	}
		3788
		3789	{
		3790	# configure BDB
		3791
		3792	BDB::min_parallel 8;
		3793	BDB::max_poll_reqs $TICK * 0.1;
		3794	$AnyEvent::BDB::WATCHER->priority (1);
		3795
		3796	unless ($DB_ENV) {
		3797	$DB_ENV = BDB::db_env_create;
		3798	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3799	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3800	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3801	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3802	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3803
		3804	cf::sync_job {
		3805	eval {
		3806	BDB::db_env_open
		3807	$DB_ENV,
		3808	$BDBDIR,
		3809	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3810	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3811	0666;
		3812
		3813	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3814	};
		3815
		3816	cf::cleanup "db_env_open(db): $@" if $@;
		3817	};
		3818	}
		3819
		3820	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3821	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3822	};
		3823	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3824	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3825	};
		3826	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3827	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3828	};
		3829	}
		3830
		3831	{
		3832	# configure IO::AIO
		3833
		3834	IO::AIO::min_parallel 8;
		3835	IO::AIO::max_poll_time $TICK * 0.1;
		3836	undef $AnyEvent::AIO::WATCHER;
		3837	}
		3838
		3839	my $_log_backtrace;
		3840
		3841	sub _log_backtrace {
		3842	my ($msg, @addr) = @_;
		3843
		3844	$msg =~ s/\n//;
		3845
		3846	# limit the # of concurrent backtraces
		3847	if ($_log_backtrace < 2) {
		3848	++$_log_backtrace;
		3849	my $perl_bt = Carp::longmess $msg;
		3850	async {
		3851	$Coro::current->{desc} = "abt $msg";
		3852
		3853	my @bt = fork_call {
		3854	@addr = map { sprintf "%x", $_ } @addr;
		3855	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3856	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3857	or die "addr2line: $!";
		3858
		3859	my @funcs;
		3860	my @res = <$fh>;
		3861	chomp for @res;
		3862	while (@res) {
		3863	my ($func, $line) = splice @res, 0, 2, ();
		3864	push @funcs, "[$func] $line";
		3865	}
		3866
		3867	@funcs
		3868	};
		3869
		3870	LOG llevInfo, "[ABT] $perl_bt\n";
		3871	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2563		3883
2564	END { cf::emergency_save }	3884	END { cf::emergency_save }
2565		3885
2566	1	3886	1
2567		3887

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