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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.152 by root, Mon Jan 8 22:32:10 2007 UTC vs.
Revision 1.522 by root, Sat Apr 17 02:22:14 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# 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 Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
20	use Digest::MD5;	55	use JSON::XS 2.01 ();
		56	use BDB ();
		57	use Data::Dumper;
21	use Fcntl;	58	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
24	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
25		64
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
27		66
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	67	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		71
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
32		80
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE;
		112
		113	our $OUTPUT_RATE_MIN = 4000;
		114	our $OUTPUT_RATE_MAX = 100000;
		115
		116	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		117	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	118	our $NEXT_TICK;
45	our $NOW;	119	our $USE_FSYNC = 1; # use fsync to write maps - default on
		120
		121	our $BDB_DEADLOCK_WATCHER;
		122	our $BDB_CHECKPOINT_WATCHER;
		123	our $BDB_TRICKLE_WATCHER;
		124	our $DB_ENV;
		125
		126	our @EXTRA_MODULES = qw(pod match mapscript);
46		127
47	our %CFG;	128	our %CFG;
48		129
49	our $UPTIME; $UPTIME ||= time;	130	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	131	our $RUNTIME;
		132	our $NOW;
51		133
52	our %PLAYER; # all users	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO; # coroutines bound to extensions	138	# used to convert map paths into valid unix filenames by replacing / by ∕
		139	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		140
		141	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		142	our $LOADAVG; # same thing, but with alpha-smoothing
		143	our $JITTER; # average jitter
		144	our $TICK_START; # for load detecting purposes
		145
		146	our @POST_INIT;
		147
		148	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		149	our $REALLY_UNLOOP; # never set to true, please :)
57		150
58	binmode STDOUT;	151	binmode STDOUT;
59	binmode STDERR;	152	binmode STDERR;
60		153
61	# read virtual server time, if available	154	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
66	}	159	}
67		160
68	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		162
74	# a special map that is always available	163	mkdir $_
75	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
76	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		184
78	#############################################################################	185	#############################################################################
79		186
80	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
81		188
…		…
88	=item $cf::RUNTIME	195	=item $cf::RUNTIME
89		196
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	198	every server tick.
92		199
93	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		203
95	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
97		208
98	=item $cf::NOW	209	=item $cf::NOW
99		210
100	The time of the last (current) server tick.	211	The time of the last (current) server tick.
101		212
102	=item $cf::TICK	213	=item $cf::TICK
103		214
104	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
105		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
106	=item %cf::CFG	227	=item %cf::CFG
107		228
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	230	from wherever your confdir points to.
110		231
		232	=item cf::wait_for_tick, cf::wait_for_tick_begin
		233
		234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		235	returns directly I<after> the tick processing (and consequently, can only wake one process
		236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
111	=back	250	=back
112		251
113	=cut	252	=cut
114		253
115	BEGIN {	254	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	255	my $msg = join "", @_;
118	utf8::encode $msg;
119		256
120	$msg .= "\n"	257	$msg .= "\n"
121	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
122		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
123	LOG llevError, $msg;	262	LOG llevError, $msg;
124	};	263	};
125	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
126		278
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		286
134	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	288	# within the Safe compartment.
136	for my $pkg (qw(	289	for my $pkg (qw(
137	cf::global cf::attachable	290	cf::global cf::attachable
138	cf::object cf::object::player	291	cf::object cf::object::player
139	cf::client cf::player	292	cf::client cf::player
140	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
141	cf::map cf::party cf::region	295	cf::party cf::region
142	)) {	296	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	298	}
146		299
147	$Event::DIED = sub {	300	$EV::DIED = sub {
148	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
149	};	302	};
150		303
151	my %ext_pkg;	304	#############################################################################
152	my @exts;
153	my @hook;
154		305
155	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
156		307
157	=over 4	308	=over 4
158		309
159	=cut	310	=item dumpval $ref
160		311
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	312	=cut
162		313
		314	sub dumpval {
		315	eval {
		316	local $SIG{__DIE__};
		317	my $d;
		318	if (1) {
		319	$d = new Data::Dumper([$_[0]], ["*var"]);
		320	$d->Terse(1);
		321	$d->Indent(2);
		322	$d->Quotekeys(0);
		323	$d->Useqq(1);
		324	#$d->Bless(...);
		325	$d->Seen($_[1]) if @_ > 1;
		326	$d = $d->Dump();
		327	}
		328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		329	$d
		330	} || "[unable to dump $_[0]: '$@']";
		331	}
		332
163	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
164		334
165	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
166		336
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
175		338
176	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
177		340
178	=cut	341	=cut
179		342
180	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
182	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
183	}	360	}
184		361
185	=item cf::lock_wait $string	362	=item cf::lock_wait $string
186		363
187	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
188		365
189	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
190		367
191	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
194	returned.	371	returned.
195		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
196	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
198		378
199	=cut	379	=item $locked = cf::lock_active $string
200		380
201	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
202		386
203	sub lock_wait($) {	387	sub lock_wait($) {
204	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	389	}
212		390
213	sub lock_acquire($) {	391	sub lock_acquire($) {
214	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
215		394
216	# wait, to be sure we are not locked	395	sub lock_active($) {
217	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	397	}
226		398
227	sub freeze_mainloop {	399	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	400	tick_inhibit_inc;
229		401
230	my $guard = Coro::guard { $TICK_WATCHER->start };	402	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	403	}
232	$guard	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
		469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
233	}	485	}
234		486
235	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
236		488
237	Currently the same as Coro::async_pool, meaning you cannot use	489	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		494
243	BEGIN { *async = \&Coro::async_pool }	495	BEGIN { *async = \&Coro::async_pool }
244		496
245	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
246		498
247	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
250		503
251	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
254	fast or be very important.	507	fast or be very important.
…		…
257		510
258	sub sync_job(&) {	511	sub sync_job(&) {
259	my ($job) = @_;	512	my ($job) = @_;
260		513
261	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
262	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
264		519
265	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	521
267	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
268		523
269	my $busy = 1;	524	my $busy = 1;
270	my @res;	525	my @res;
271		526
272	(async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	529	@res = eval { $job->() };
274	warn $@ if $@;	530	warn $@ if $@;
275	undef $busy;	531	undef $busy;
276	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
277		533
278	while ($busy) {	534	while ($busy) {
279	Coro::cede or Event::one_event;	535	if (Coro::nready) {
		536	Coro::cede_notself;
		537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
280	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
281		545
282	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
283	} else {	547	} else {
284	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
285		549
…		…
287	}	551	}
288	}	552	}
289		553
290	=item $coro = cf::async_ext { BLOCK }	554	=item $coro = cf::async_ext { BLOCK }
291		555
292	Like async, but this coro is automcatially being canceled when the	556	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	557	extension calling this is being unloaded.
294		558
295	=cut	559	=cut
296		560
297	sub async_ext(&) {	561	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
306		570
307	$coro	571	$coro
308	}	572	}
309		573
310	sub write_runtime {	574	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		575
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
314	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
315		580
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		582
320	aio_fsync $fh	583	sub fork_call(&@) {
321	and return;	584	my ($cb, @args) = @_;
322		585
323	close $fh	586	# we seemingly have to make a local copy of the whole thing,
324	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
325		589
326	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
327	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
328		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
329	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	772	}
331		773
332	=back	774	=back
333		775
334	=cut	776	=cut
335		777
336	#############################################################################	778	#############################################################################
337		779
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
459		781
460	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
463		785
464	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	788	Deliantra).
467		789
468	=over 4	790	=over 4
469		791
470	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
471		793
…		…
515	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
516		838
517	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
519		841
520	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
522		844
523	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
524		846
525	=over 4	847	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	908	our @CB_MAP = ();
587		909
588	my %attachment;	910	my %attachment;
589		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
590	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
592		920
593	use sort 'stable';	921	use sort 'stable';
594		922
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
629		957
630	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		962
635	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	964	my $pkg = shift @arg;
637		965
638	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
668	}	996	}
669		997
670	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
671	} else {	999	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	1001	}
674		1002
675	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
676	}	1004	}
677		1005
…		…
679	if (ref $_[0]) {	1007	if (ref $_[0]) {
680	_object_attach @_;	1008	_object_attach @_;
681	} else {	1009	} else {
682	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
683	}	1011	}
		1012	_recalc_want;
684	};	1013	};
685		1014
686	# all those should be optimised	1015	# all those should be optimised
687	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1021	reattach ($obj);
693	} else {	1022	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
695	}	1024	}
		1025	_recalc_want;
696	};	1026	};
697		1027
698	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
700		1030
…		…
715	";	1045	";
716	die if $@;	1046	die if $@;
717	}	1047	}
718		1048
719	our $override;	1049	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1051
722	sub override {	1052	sub override {
723	$override = 1;	1053	$override = 1;
724	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
725	}	1055	}
726		1056
727	sub do_invoke {	1057	sub do_invoke {
728	my $event = shift;	1058	my $event = shift;
729	my $callbacks = shift;	1059	my $callbacks = shift;
730		1060
731	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
732		1062
733	local $override;	1063	local $override;
734		1064
735	for (@$callbacks) {	1065	for (@$callbacks) {
736	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
745	}	1075	}
746		1076
747	0	1077	0
748	}	1078	}
749		1079
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1081
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1083
754	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
755		1085
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1089
760	=back	1090	=back
761		1091
762	=cut	1092	=cut
763		1093
764	#############################################################################	1094	#############################################################################
765	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
766		1138
767	sub reattach {	1139	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1145
771	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
772		1147
773	@$registry = ();	1148	@$registry = ();
774		1149
…		…
789	cf::attachable->attach (	1164	cf::attachable->attach (
790	prio => -1000000,	1165	prio => -1000000,
791	on_instantiate => sub {	1166	on_instantiate => sub {
792	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
793		1168
794	$data = from_json $data;	1169	$data = decode_json $data;
795		1170
796	for (@$data) {	1171	for (@$data) {
797	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
798		1173
799	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1190	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
817		1192
818	sync_job {	1193	sync_job {
819	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
822		1198
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
827	close $fh;	1206	aio_close $fh;
828		1207
829	if (@$objs) {	1208	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
834	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
835	close $fh;	1217	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
837	}	1219	}
838	} else {	1220	} else {
839	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
840	}	1222	}
841		1223
842	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1228	} else {
844	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
845	}	1230	}
846	} else {	1231	} else {
847	aio_unlink $filename;	1232	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
849	}	1234	}
850	}	1235	};
851	}	1236	}
852		1237
853	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
855		1240
…		…
867	or return;	1252	or return;
868		1253
869	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
871	or return;	1256	or return;
		1257
872	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
873	}	1260	}
874		1261
		1262	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
877	return ($data, $av);	1266	($data, $av)
878	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
879		1274
880	#############################################################################	1275	#############################################################################
881	# command handling &c	1276	# command handling &c
882		1277
883	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1292	}
898		1293
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1295
901	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
902		1301
903	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
904	called.	1303	called.
905		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
906	=cut	1316	=cut
907		1317
908	sub register_extcmd {	1318	sub register_extcmd {
909	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
910		1320
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1321	$EXTCMD{$name} = $cb;
915	}	1322	}
		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
916		1331
917	cf::player->attach (	1332	cf::player->attach (
918	on_command => sub {	1333	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
920		1335
921	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
922	or return;	1337	or return;
923		1338
…		…
928	cf::override;	1343	cf::override;
929	},	1344	},
930	on_extcmd => sub {	1345	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
932		1347
933	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1349
935	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
941	} else {	1365	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1367	}
944		1368
945	cf::override;	1369	cf::override;
946	},	1370	},
947	);	1371	);
948		1372
949	sub register {	1373	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1374	sub cache_extensions {
956	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
957		1376
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1380	}
1008	}	1381	};
1009		1382
1010	# remove extcmds	1383	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1384	}
1024		1385
1025	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1026	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1391	next unless -r $path;
1028	eval {	1392
1029	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
1030	1	1456	}
1031	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
1032	}	1467	};
1033	}	1468	}
1034		1469
1035	#############################################################################	1470	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1471
1038	*cf::mapsupport::on_clean = sub {	1472	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1473
1073	=head2 CORE EXTENSIONS	1474	=head2 CORE EXTENSIONS
1074		1475
1075	Functions and methods that extend core crossfire objects.	1476	Functions and methods that extend core deliantra objects.
1076		1477
1077	=cut	1478	=cut
1078		1479
1079	package cf::player;	1480	package cf::player;
1080		1481
		1482	use Coro::AIO;
		1483
1081	=head3 cf::player	1484	=head3 cf::player
1082		1485
1083	=over 4	1486	=over 4
1084		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
1085	=item cf::player::find $login	1502	=item cf::player::find $login
1086		1503
1087	Returns the given player object, loading it if necessary (might block).	1504	Returns the given player object, loading it if necessary (might block).
1088		1505
1089	=cut	1506	=cut
1090		1507
1091	sub playerdir($) {	1508	sub playerdir($) {
1092	cf::localdir	1509	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1511	}
1098		1512
1099	sub path($) {	1513	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1515
1102	(playerdir $login) . "/$login.pl"	1516	(playerdir $login) . "/playerdata"
1103	}	1517	}
1104		1518
1105	sub find_active($) {	1519	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1520	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1521	and $cf::PLAYER{$_[0]}->active
…		…
1110		1524
1111	sub exists($) {	1525	sub exists($) {
1112	my ($login) = @_;	1526	my ($login) = @_;
1113		1527
1114	$cf::PLAYER{$login}	1528	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1529	or !aio_stat path $login
1116	}	1530	}
1117		1531
1118	sub find($) {	1532	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1533	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1534	my $login = $_[0];
1121		1535
1122	my $guard = cf::lock_acquire "user_find:$login";	1536	my $guard = cf::lock_acquire "user_find:$login";
1123		1537
1124	$cf::PLAYER{$_[0]} || do {	1538	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1554	$cf::PLAYER{$login} = $pl
1128	}	1555	}
1129	}	1556	}
1130	}	1557	}
		1558
		1559	cf::player->attach (
		1560	on_load => sub {
		1561	my ($pl, $path) = @_;
		1562
		1563	# restore slots saved in save, below
		1564	my $slots = delete $pl->{_slots};
		1565
		1566	$pl->ob->current_weapon ($slots->[0]);
		1567	$pl->combat_ob ($slots->[1]);
		1568	$pl->ranged_ob ($slots->[2]);
		1569	},
		1570	);
1131		1571
1132	sub save($) {	1572	sub save($) {
1133	my ($pl) = @_;	1573	my ($pl) = @_;
1134		1574
1135	return if $pl->{deny_save};	1575	return if $pl->{deny_save};
…		…
1137	my $path = path $pl;	1577	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1578	my $guard = cf::lock_acquire "user_save:$path";
1139		1579
1140	return if $pl->{deny_save};	1580	return if $pl->{deny_save};
1141		1581
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1582	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1583	$pl->{last_save} = $cf::RUNTIME;
1144		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
1145	$pl->save_pl ($path);	1590	$pl->save_pl ($path);
1146	Coro::cede;	1591	cf::cede_to_tick;
1147	}	1592	}
1148		1593
1149	sub new($) {	1594	sub new($) {
1150	my ($login) = @_;	1595	my ($login) = @_;
1151		1596
…		…
1157	$cf::PLAYER{$login} = $self;	1602	$cf::PLAYER{$login} = $self;
1158		1603
1159	$self	1604	$self
1160	}	1605	}
1161		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
		1617	=item $pl->quit_character
		1618
		1619	Nukes the player without looking back. If logged in, the connection will
		1620	be destroyed. May block for a long time.
		1621
		1622	=cut
		1623
1162	sub quit_character {	1624	sub quit_character {
1163	my ($pl) = @_;	1625	my ($pl) = @_;
1164		1626
		1627	my $name = $pl->ob->name;
		1628
1165	$pl->{deny_save} = 1;	1629	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1167		1631
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1169	$pl->deactivate;	1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1171	$pl->ns->destroy if $pl->ns;	1637	$pl->ns->destroy if $pl->ns;
1172		1638
1173	my $path = playerdir $pl;	1639	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1640	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1641	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1642	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
1178	IO::AIO::aio_rmtree $temp;	1650	IO::AIO::aio_rmtree $temp;
1179	}	1651	}
1180		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
		1665	}
		1666
		1667	=item cf::player::list_logins
		1668
		1669	Returns am arrayref of all valid playernames in the system, can take a
		1670	while and may block, so not sync_job-capable, ever.
		1671
		1672	=cut
		1673
		1674	sub list_logins {
		1675	my $dirs = aio_readdir $PLAYERDIR
		1676	or return [];
		1677
		1678	my @logins;
		1679
		1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
		1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1687	aio_read $fh, 0, 512, my $buf, 0 or next;
		1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
		1690
		1691	utf8::decode $login;
		1692	push @logins, $login;
		1693	}
		1694
		1695	\@logins
		1696	}
		1697
		1698	=item $player->maps
		1699
		1700	Returns an arrayref of map paths that are private for this
		1701	player. May block.
		1702
		1703	=cut
		1704
		1705	sub maps($) {
		1706	my ($pl) = @_;
		1707
		1708	$pl = ref $pl ? $pl->ob->name : $pl;
		1709
		1710	my $files = aio_readdir playerdir $pl
		1711	or return;
		1712
		1713	my @paths;
		1714
		1715	for (@$files) {
		1716	utf8::decode $_;
		1717	next if /\.(?:pl|pst)$/;
		1718	next unless /^$PATH_SEP/o;
		1719
		1720	push @paths, cf::map::normalise "~$pl/$_";
		1721	}
		1722
		1723	\@paths
		1724	}
		1725
		1726	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1727
		1728	Expand deliantra pod fragments into protocol xml.
		1729
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1730	=item $player->ext_reply ($msgid, @msg)
1182		1731
1183	Sends an ext reply to the player.	1732	Sends an ext reply to the player.
1184		1733
1185	=cut	1734	=cut
1186		1735
1187	sub ext_reply($$$%) {	1736	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1737	my ($self, $id, @msg) = @_;
1189		1738
1190	$msg{msgid} = $id;	1739	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1740	}
1194		1741
1195	package cf;	1742	=item $player->ext_msg ($type, @msg)
		1743
		1744	Sends an ext event to the client.
		1745
		1746	=cut
		1747
		1748	sub ext_msg($$@) {
		1749	my ($self, $type, @msg) = @_;
		1750
		1751	$self->ns->ext_msg ($type, @msg);
		1752	}
		1753
		1754	=head3 cf::region
		1755
		1756	=over 4
		1757
		1758	=cut
		1759
		1760	package cf::region;
		1761
		1762	=item cf::region::find_by_path $path
		1763
		1764	Tries to decuce the likely region for a map knowing only its path.
		1765
		1766	=cut
		1767
		1768	sub find_by_path($) {
		1769	my ($path) = @_;
		1770
		1771	my ($match, $specificity);
		1772
		1773	for my $region (list) {
		1774	if ($region->{match} && $path =~ $region->{match}) {
		1775	($match, $specificity) = ($region, $region->specificity)
		1776	if $region->specificity > $specificity;
		1777	}
		1778	}
		1779
		1780	$match
		1781	}
1196		1782
1197	=back	1783	=back
1198
1199		1784
1200	=head3 cf::map	1785	=head3 cf::map
1201		1786
1202	=over 4	1787	=over 4
1203		1788
…		…
1206	package cf::map;	1791	package cf::map;
1207		1792
1208	use Fcntl;	1793	use Fcntl;
1209	use Coro::AIO;	1794	use Coro::AIO;
1210		1795
		1796	use overload
		1797	'""' => \&as_string,
		1798	fallback => 1;
		1799
1211	our $MAX_RESET = 3600;	1800	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1801	our $DEFAULT_RESET = 3000;
1213		1802
1214	sub generate_random_map {	1803	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1804	my ($self, $rmp) = @_;
		1805
		1806	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1216		1807
1217	# mit "rum" bekleckern, nicht	1808	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1809	$self->_create_random_map (
1219	$path,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1810	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1811	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1812	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1813	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1814	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1815	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1816	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1817	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1818	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1819	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1820	(cf::region::find $rmp->{region}), $rmp->{custom}
		1821	)
1231	}	1822	}
1232		1823
1233	# and all this just because we cannot iterate over	1824	=item cf::map->register ($regex, $prio)
1234	# all maps in C++...
1235	sub change_all_map_light {
1236	my ($change) = @_;
1237		1825
1238	$_->change_map_light ($change)	1826	Register a handler for the map path matching the given regex at the
1239	for grep $_->outdoor, values %cf::MAP;	1827	givne priority (higher is better, built-in handlers have priority 0, the
1240	}	1828	default).
1241		1829
1242	sub try_load_header($) {	1830	=cut
		1831
		1832	sub register {
		1833	my (undef, $regex, $prio) = @_;
		1834	my $pkg = caller;
		1835
		1836	no strict;
		1837	push @{"$pkg\::ISA"}, __PACKAGE__;
		1838
		1839	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1840	}
		1841
		1842	# also paths starting with '/'
		1843	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1844
		1845	sub thawer_merge {
		1846	my ($self, $merge) = @_;
		1847
		1848	# we have to keep some variables in memory intact
		1849	local $self->{path};
		1850	local $self->{load_path};
		1851
		1852	$self->SUPER::thawer_merge ($merge);
		1853	}
		1854
		1855	sub normalise {
1243	my ($path) = @_;	1856	my ($path, $base) = @_;
		1857
		1858	$path = "$path"; # make sure its a string
		1859
		1860	$path =~ s/\.map$//;
		1861
		1862	# map plan:
		1863	#
		1864	# /! non-realised random map exit (special hack!)
		1865	# {... are special paths that are not being touched
		1866	# ?xxx/... are special absolute paths
		1867	# ?random/... random maps
		1868	# /... normal maps
		1869	# ~user/... per-player map of a specific user
		1870
		1871	$path =~ s/$PATH_SEP/\//go;
		1872
		1873	# treat it as relative path if it starts with
		1874	# something that looks reasonable
		1875	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1876	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1877
		1878	$base =~ s{[^/]+/?$}{};
		1879	$path = "$base/$path";
		1880	}
		1881
		1882	for ($path) {
		1883	redo if s{//}{/};
		1884	redo if s{/\.?/}{/};
		1885	redo if s{/[^/]+/\.\./}{/};
		1886	}
		1887
		1888	$path
		1889	}
		1890
		1891	sub new_from_path {
		1892	my (undef, $path, $base) = @_;
		1893
		1894	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1895
		1896	$path = normalise $path, $base;
		1897
		1898	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1899	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1900	my $self = bless cf::map::new, $pkg;
		1901	$self->{path} = $path; $self->path ($path);
		1902	$self->init; # pass $1 etc.
		1903	return $self;
		1904	}
		1905	}
		1906
		1907	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1908	()
		1909	}
		1910
		1911	sub init {
		1912	my ($self) = @_;
		1913
		1914	$self
		1915	}
		1916
		1917	sub as_string {
		1918	my ($self) = @_;
		1919
		1920	"$self->{path}"
		1921	}
		1922
		1923	# the displayed name, this is a one way mapping
		1924	sub visible_name {
		1925	&as_string
		1926	}
		1927
		1928	# the original (read-only) location
		1929	sub load_path {
		1930	my ($self) = @_;
		1931
		1932	"$MAPDIR/$self->{path}.map"
		1933	}
		1934
		1935	# the temporary/swap location
		1936	sub save_path {
		1937	my ($self) = @_;
		1938
		1939	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1940	"$TMPDIR/$path.map"
		1941	}
		1942
		1943	# the unique path, undef == no special unique path
		1944	sub uniq_path {
		1945	my ($self) = @_;
		1946
		1947	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1948	"$UNIQUEDIR/$path"
		1949	}
		1950
		1951	sub decay_objects {
		1952	my ($self) = @_;
		1953
		1954	return if $self->{deny_reset};
		1955
		1956	$self->do_decay_objects;
		1957	}
		1958
		1959	sub unlink_save {
		1960	my ($self) = @_;
		1961
		1962	utf8::encode (my $save = $self->save_path);
		1963	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1964	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1965	}
		1966
		1967	sub load_header_from($) {
		1968	my ($self, $path) = @_;
1244		1969
1245	utf8::encode $path;	1970	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	1971	my $f = new_from_file cf::object::thawer $path
1247	or return;	1972	or return;
1248		1973
1249	my $map = cf::map::new	1974	$self->_load_header ($f)
1250	or return;	1975	or return;
1251		1976
1252	# for better error messages only, will be overwritten	1977	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	1978	$f->resolve_delayed_derefs;
1254		1979
1255	$map->load_header ($path)	1980	$self->{load_path} = $path;
		1981
		1982	1
		1983	}
		1984
		1985	sub load_header_orig {
		1986	my ($self) = @_;
		1987
		1988	$self->load_header_from ($self->load_path)
		1989	}
		1990
		1991	sub load_header_temp {
		1992	my ($self) = @_;
		1993
		1994	$self->load_header_from ($self->save_path)
		1995	}
		1996
		1997	sub prepare_temp {
		1998	my ($self) = @_;
		1999
		2000	$self->last_access ((delete $self->{last_access})
		2001	|| $cf::RUNTIME); #d#
		2002	# safety
		2003	$self->{instantiate_time} = $cf::RUNTIME
		2004	if $self->{instantiate_time} > $cf::RUNTIME;
		2005	}
		2006
		2007	sub prepare_orig {
		2008	my ($self) = @_;
		2009
		2010	$self->{load_original} = 1;
		2011	$self->{instantiate_time} = $cf::RUNTIME;
		2012	$self->last_access ($cf::RUNTIME);
		2013	$self->instantiate;
		2014	}
		2015
		2016	sub load_header {
		2017	my ($self) = @_;
		2018
		2019	if ($self->load_header_temp) {
		2020	$self->prepare_temp;
		2021	} else {
		2022	$self->load_header_orig
1256	or return;	2023	or return;
		2024	$self->prepare_orig;
		2025	}
1257		2026
1258	$map->{load_path} = $path;	2027	$self->{deny_reset} = 1
		2028	if $self->no_reset;
1259		2029
1260	$map	2030	$self->default_region (cf::region::find_by_path $self->{path})
		2031	unless $self->default_region;
		2032
		2033	1
1261	}	2034	}
1262		2035
1263	sub find;	2036	sub find;
1264	sub find {	2037	sub find {
1265	my ($path, $origin) = @_;	2038	my ($path, $origin) = @_;
1266		2039
1267	#warn "find<$path,$origin>\n";#d#
1268
1269	$path = new cf::path $path, $origin && $origin->path;	2040	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		2041
1272	cf::lock_wait "map_find:$key";	2042	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1273
1274	$cf::MAP{$key} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	2043	my $guard2 = cf::lock_acquire "map_find:$path";
1276		2044
1277	# do it the slow way	2045	$cf::MAP{$path} || do {
1278	my $map = try_load_header $path->save_path;	2046	my $map = new_from_path cf::map $path
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	2047	or return;
1296		2048
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	2049	$map->{last_save} = $cf::RUNTIME;
1309		2050
1310	Coro::cede;	2051	$map->load_header
		2052	or return;
1311		2053
1312	if ($map->should_reset) {	2054	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2055	# doing this can freeze the server in a sync job, obviously
		2056	#$cf::WAIT_FOR_TICK->wait;
		2057	undef $guard2;
		2058	undef $guard1;
1313	$map->reset;	2059	$map->reset;
1314	undef $guard;
1315	$map = find $path	2060	return find $path;
1316	or return;
1317	}	2061	}
1318		2062
1319	$cf::MAP{$key} = $map	2063	$cf::MAP{$path} = $map
1320	}	2064	}
1321	}	2065	}
		2066
		2067	sub pre_load { }
		2068	#sub post_load { } # XS
1322		2069
1323	sub load {	2070	sub load {
1324	my ($self) = @_;	2071	my ($self) = @_;
1325		2072
		2073	local $self->{deny_reset} = 1; # loading can take a long time
		2074
1326	my $path = $self->{path};	2075	my $path = $self->{path};
		2076
		2077	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2078	my $guard = cf::lock_acquire "map_data:$path";
1328		2079
		2080	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	2081	return unless $self->in_memory == cf::MAP_SWAPPED;
1330		2082
1331	$self->in_memory (cf::MAP_LOADING);	2083	$self->in_memory (cf::MAP_LOADING);
1332		2084
1333	$self->alloc;	2085	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	2086
		2087	$self->pre_load;
		2088	cf::cede_to_tick;
		2089
		2090	my $f = new_from_file cf::object::thawer $self->{load_path};
		2091	$f->skip_block;
		2092	$self->_load_objects ($f)
1335	or return;	2093	or return;
1336		2094
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2095	$self->post_load_original
1338	if delete $self->{load_original};	2096	if delete $self->{load_original};
1339		2097
1340	if (my $uniq = $path->uniq_path) {	2098	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	2099	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	2100	unless (aio_stat $uniq) {
		2101	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	2102	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	2103	$self->_load_objects ($f);
		2104	$f->resolve_delayed_derefs;
		2105	}
1345	}	2106	}
1346	}	2107	}
1347		2108
1348	Coro::cede;	2109	$f->resolve_delayed_derefs;
1349		2110
		2111	cf::cede_to_tick;
1350	# now do the right thing for maps	2112	# now do the right thing for maps
1351	$self->link_multipart_objects;	2113	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	2114	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	2115	unless $self->difficulty;
		2116	cf::cede_to_tick;
		2117
		2118	unless ($self->{deny_activate}) {
		2119	$self->decay_objects;
		2120	$self->fix_auto_apply;
		2121	$self->update_buttons;
		2122	cf::cede_to_tick;
1363	$self->activate;	2123	$self->activate;
1364	}	2124	}
1365		2125
1366	Coro::cede;	2126	$self->{last_save} = $cf::RUNTIME;
		2127	$self->last_access ($cf::RUNTIME);
1367		2128
1368	$self->in_memory (cf::MAP_IN_MEMORY);	2129	$self->in_memory (cf::MAP_ACTIVE);
		2130	}
		2131
		2132	$self->post_load;
		2133	}
		2134
		2135	# customize the map for a given player, i.e.
		2136	# return the _real_ map. used by e.g. per-player
		2137	# maps to change the path to ~playername/mappath
		2138	sub customise_for {
		2139	my ($self, $ob) = @_;
		2140
		2141	return find "~" . $ob->name . "/" . $self->{path}
		2142	if $self->per_player;
		2143
		2144	# return find "?party/" . $ob->name . "/" . $self->{path}
		2145	# if $self->per_party;
		2146
		2147	$self
		2148	}
		2149
		2150	# find and load all maps in the 3x3 area around a map
		2151	sub load_neighbours {
		2152	my ($map) = @_;
		2153
		2154	my @neigh; # diagonal neighbours
		2155
		2156	for (0 .. 3) {
		2157	my $neigh = $map->tile_path ($_)
		2158	or next;
		2159	$neigh = find $neigh, $map
		2160	or next;
		2161	$neigh->load;
		2162
		2163	push @neigh,
		2164	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2165	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2166	}
		2167
		2168	for (grep defined $_->[0], @neigh) {
		2169	my ($path, $origin) = @$_;
		2170	my $neigh = find $path, $origin
		2171	or next;
		2172	$neigh->load;
		2173	}
1369	}	2174	}
1370		2175
1371	sub find_sync {	2176	sub find_sync {
1372	my ($path, $origin) = @_;	2177	my ($path, $origin) = @_;
1373		2178
1374	cf::sync_job { cf::map::find $path, $origin }	2179	cf::sync_job { find $path, $origin }
1375	}	2180	}
1376		2181
1377	sub do_load_sync {	2182	sub do_load_sync {
1378	my ($map) = @_;	2183	my ($map) = @_;
1379		2184
		2185	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2186	if $Coro::current == $Coro::main;
		2187
1380	cf::sync_job { $map->load };	2188	cf::sync_job { $map->load };
		2189	}
		2190
		2191	our %MAP_PREFETCH;
		2192	our $MAP_PREFETCHER = undef;
		2193
		2194	sub find_async {
		2195	my ($path, $origin, $load) = @_;
		2196
		2197	$path = normalise $path, $origin && $origin->{path};
		2198
		2199	if (my $map = $cf::MAP{$path}) {
		2200	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2201	}
		2202
		2203	$MAP_PREFETCH{$path} |= $load;
		2204
		2205	$MAP_PREFETCHER ||= cf::async {
		2206	$Coro::current->{desc} = "map prefetcher";
		2207
		2208	while (%MAP_PREFETCH) {
		2209	while (my ($k, $v) = each %MAP_PREFETCH) {
		2210	if (my $map = find $k) {
		2211	$map->load if $v;
		2212	}
		2213
		2214	delete $MAP_PREFETCH{$k};
		2215	}
		2216	}
		2217	undef $MAP_PREFETCHER;
		2218	};
		2219	$MAP_PREFETCHER->prio (6);
		2220
		2221	()
		2222	}
		2223
		2224	# common code, used by both ->save and ->swapout
		2225	sub _save {
		2226	my ($self) = @_;
		2227
		2228	$self->{last_save} = $cf::RUNTIME;
		2229
		2230	return unless $self->dirty;
		2231
		2232	my $save = $self->save_path; utf8::encode $save;
		2233	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2234
		2235	$self->{load_path} = $save;
		2236
		2237	return if $self->{deny_save};
		2238
		2239	local $self->{last_access} = $self->last_access;#d#
		2240
		2241	cf::async {
		2242	$Coro::current->{desc} = "map player save";
		2243	$_->contr->save for $self->players;
		2244	};
		2245
		2246	cf::get_slot 0.02;
		2247
		2248	if ($uniq) {
		2249	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2250	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2251	} else {
		2252	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2253	}
1381	}	2254	}
1382		2255
1383	sub save {	2256	sub save {
1384	my ($self) = @_;	2257	my ($self) = @_;
1385		2258
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2260
1388	$self->{last_save} = $cf::RUNTIME;	2261	$self->_save;
1389
1390	return unless $self->dirty;
1391
1392	my $save = $self->{path}->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1394
1395	$self->{load_path} = $save;
1396
1397	return if $self->{deny_save};
1398
1399	local $self->{last_access} = $self->last_access;#d#
1400
1401	cf::async {
1402	$_->contr->save for $self->players;
1403	};
1404
1405	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}
1411	}	2262	}
1412		2263
1413	sub swap_out {	2264	sub swap_out {
1414	my ($self) = @_;	2265	my ($self) = @_;
1415		2266
1416	# save first because save cedes
1417	$self->save;
1418
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2267	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2268
		2269	return if $self->in_memory != cf::MAP_ACTIVE;
		2270	return if $self->{deny_save};
1421	return if $self->players;	2271	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
1423	return if $self->{deny_save};
1424		2272
		2273	# first deactivate the map and "unlink" it from the core
		2274	$self->deactivate;
		2275	$_->clear_links_to ($self) for values %cf::MAP;
		2276	$self->in_memory (cf::MAP_SWAPPED);
		2277
		2278	# then atomically save
		2279	$self->_save;
		2280
		2281	# then free the map
1425	$self->clear;	2282	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2283	}
1428		2284
1429	sub reset_at {	2285	sub reset_at {
1430	my ($self) = @_;	2286	my ($self) = @_;
1431		2287
1432	# TODO: safety, remove and allow resettable per-player maps	2288	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2289	return 1e99 if $self->{deny_reset};
1435		2290
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2291	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2292	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2293
…		…
1443	my ($self) = @_;	2298	my ($self) = @_;
1444		2299
1445	$self->reset_at <= $cf::RUNTIME	2300	$self->reset_at <= $cf::RUNTIME
1446	}	2301	}
1447		2302
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2303	sub reset {
1470	my ($self) = @_;	2304	my ($self) = @_;
1471		2305
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2306	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2307
1474	return if $self->players;	2308	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2309
1477	warn "resetting map ", $self->path;#d#	2310	warn "resetting map ", $self->path, "\n";
		2311
		2312	$self->in_memory (cf::MAP_SWAPPED);
		2313
		2314	# need to save uniques path
		2315	unless ($self->{deny_save}) {
		2316	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2317
		2318	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2319	if $uniq;
		2320	}
1478		2321
1479	delete $cf::MAP{$self->path};	2322	delete $cf::MAP{$self->path};
1480		2323
		2324	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2325	$_->clear_links_to ($self) for values %cf::MAP;
		2326	$self->clear;
1482		2327
1483	$self->unlink_save;	2328	$self->unlink_save;
1484	$self->destroy;	2329	$self->destroy;
1485	}	2330	}
1486		2331
1487	my $nuke_counter = "aaaa";	2332	my $nuke_counter = "aaaa";
1488		2333
1489	sub nuke {	2334	sub nuke {
1490	my ($self) = @_;	2335	my ($self) = @_;
1491		2336
		2337	{
		2338	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2339
		2340	delete $cf::MAP{$self->path};
		2341
		2342	$self->unlink_save;
		2343
		2344	bless $self, "cf::map";
		2345	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2346	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2347	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2348	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2349
		2350	$cf::MAP{$self->path} = $self;
		2351	}
		2352
1495	$self->reset; # polite request, might not happen	2353	$self->reset; # polite request, might not happen
1496	}	2354	}
1497		2355
1498	sub customise_for {	2356	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2357
1501	if ($map->per_player) {	2358	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2359	maps. May block.
		2360
		2361	=cut
		2362
		2363	sub tmp_maps() {
1503	}	2364	[
1504		2365	map {
1505	$map	2366	utf8::decode $_;
		2367	/\.map$/
		2368	? normalise $_
		2369	: ()
		2370	} @{ aio_readdir $TMPDIR or [] }
		2371	]
1506	}	2372	}
1507		2373
1508	sub emergency_save {	2374	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2375
1511	warn "enter emergency perl save\n";	2376	Returns an arrayref with all map paths of currently instantiated and saved
		2377	random maps. May block.
1512		2378
1513	cf::sync_job {	2379	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2380
1518	warn "begin emergency map save\n";	2381	sub random_maps() {
1519	$_->save for values %cf::MAP;	2382	[
1520	warn "end emergency map save\n";	2383	map {
		2384	utf8::decode $_;
		2385	/\.map$/
		2386	? normalise "?random/$_"
		2387	: ()
		2388	} @{ aio_readdir $RANDOMDIR or [] }
		2389	]
		2390	}
		2391
		2392	=item cf::map::unique_maps
		2393
		2394	Returns an arrayref of paths of all shared maps that have
		2395	instantiated unique items. May block.
		2396
		2397	=cut
		2398
		2399	sub unique_maps() {
		2400	[
		2401	map {
		2402	utf8::decode $_;
		2403	s/\.map$//; # TODO future compatibility hack
		2404	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2405	? ()
		2406	: normalise $_
		2407	} @{ aio_readdir $UNIQUEDIR or [] }
		2408	]
		2409	}
		2410
		2411	=item cf::map::static_maps
		2412
		2413	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2414	file in the shared directory excluding F</styles> and F</editor>). May
		2415	block.
		2416
		2417	=cut
		2418
		2419	sub static_maps() {
		2420	my @dirs = "";
		2421	my @maps;
		2422
		2423	while (@dirs) {
		2424	my $dir = shift @dirs;
		2425
		2426	next if $dir eq "/styles" || $dir eq "/editor";
		2427
		2428	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2429	or return;
		2430
		2431	for (@$files) {
		2432	s/\.map$// or next;
		2433	utf8::decode $_;
		2434	push @maps, "$dir/$_";
		2435	}
		2436
		2437	push @dirs, map "$dir/$_", @$dirs;
1521	};	2438	}
1522		2439
1523	warn "leave emergency perl save\n";	2440	\@maps
		2441	}
		2442
		2443	=back
		2444
		2445	=head3 cf::object
		2446
		2447	=cut
		2448
		2449	package cf::object;
		2450
		2451	=over 4
		2452
		2453	=item $ob->inv_recursive
		2454
		2455	Returns the inventory of the object I<and> their inventories, recursively,
		2456	but I<not> the object itself.
		2457
		2458	=cut
		2459
		2460	sub inv_recursive_;
		2461	sub inv_recursive_ {
		2462	map { $_, inv_recursive_ $_->inv } @_
		2463	}
		2464
		2465	sub inv_recursive {
		2466	inv_recursive_ inv $_[0]
		2467	}
		2468
		2469	=item $ref = $ob->ref
		2470
		2471	Creates and returns a persistent reference to an object that can be stored as a string.
		2472
		2473	=item $ob = cf::object::deref ($refstring)
		2474
		2475	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2476	even if the object actually exists. May block.
		2477
		2478	=cut
		2479
		2480	sub deref {
		2481	my ($ref) = @_;
		2482
		2483	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2484	my ($uuid, $name) = ($1, $2);
		2485	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2486	or return;
		2487	$pl->ob->uuid eq $uuid
		2488	or return;
		2489
		2490	$pl->ob
		2491	} else {
		2492	warn "$ref: cannot resolve object reference\n";
		2493	undef
		2494	}
1524	}	2495	}
1525		2496
1526	package cf;	2497	package cf;
1527		2498
1528	=back	2499	=back
1529
1530		2500
1531	=head3 cf::object::player	2501	=head3 cf::object::player
1532		2502
1533	=over 4	2503	=over 4
1534		2504
…		…
1537	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2507	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1538	can be C<undef>. Does the right thing when the player is currently in a	2508	can be C<undef>. Does the right thing when the player is currently in a
1539	dialogue with the given NPC character.	2509	dialogue with the given NPC character.
1540		2510
1541	=cut	2511	=cut
		2512
		2513	our $SAY_CHANNEL = {
		2514	id => "say",
		2515	title => "Map",
		2516	reply => "say ",
		2517	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2518	};
		2519
		2520	our $CHAT_CHANNEL = {
		2521	id => "chat",
		2522	title => "Chat",
		2523	reply => "chat ",
		2524	tooltip => "Player chat and shouts, global to the server.",
		2525	};
1542		2526
1543	# rough implementation of a future "reply" method that works	2527	# rough implementation of a future "reply" method that works
1544	# with dialog boxes.	2528	# with dialog boxes.
1545	#TODO: the first argument must go, split into a $npc->reply_to ( method	2529	#TODO: the first argument must go, split into a $npc->reply_to ( method
1546	sub cf::object::player::reply($$$;$) {	2530	sub cf::object::player::reply($$$;$) {
…		…
1548		2532
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2533	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2534
1551	if ($self->{record_replies}) {	2535	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2536	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2537
1553	} else {	2538	} else {
		2539	my $pl = $self->contr;
		2540
		2541	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2542	my $dialog = $pl->{npc_dialog};
		2543	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2544
		2545	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2546	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2547	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2548	}
1556	}	2549	}
		2550	}
		2551
		2552	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2553
		2554	=cut
		2555
		2556	sub cf::object::send_msg {
		2557	my $pl = shift->contr
		2558	or return;
		2559	$pl->send_msg (@_);
1557	}	2560	}
1558		2561
1559	=item $player_object->may ("access")	2562	=item $player_object->may ("access")
1560		2563
1561	Returns wether the given player is authorized to access resource "access"	2564	Returns wether the given player is authorized to access resource "access"
…		…
1574		2577
1575	=item $player_object->enter_link	2578	=item $player_object->enter_link
1576		2579
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2580	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2581
1579	The player should be reaosnably safe there for short amounts of time. You	2582	The player should be reasonably safe there for short amounts of time (e.g.
1580	I<MUST> call C<leave_link> as soon as possible, though.	2583	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2584	though, as the palyer cannot control the character while it is on the link
		2585	map.
		2586
		2587	Will never block.
1581		2588
1582	=item $player_object->leave_link ($map, $x, $y)	2589	=item $player_object->leave_link ($map, $x, $y)
1583		2590
1584	Moves the player out of the specila link map onto the given map. If the	2591	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2592	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2593	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2594	fails, to the emergency map position.
1588		2595
1589	Might block.	2596	Might block.
1590		2597
1591	=cut	2598	=cut
		2599
		2600	sub link_map {
		2601	unless ($LINK_MAP) {
		2602	$LINK_MAP = cf::map::find "{link}"
		2603	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2604	$LINK_MAP->load;
		2605	}
		2606
		2607	$LINK_MAP
		2608	}
1592		2609
1593	sub cf::object::player::enter_link {	2610	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2611	my ($self) = @_;
1595		2612
1596	$self->deactivate_recursive;	2613	$self->deactivate_recursive;
1597		2614
1598	return if $self->map == $LINK_MAP;	2615	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2616
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2617	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2618	if $self->map && $self->map->{path} ne "{link}";
1602		2619
1603	$self->enter_map ($LINK_MAP, 20, 20);	2620	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1604	}	2621	}
1605		2622
1606	sub cf::object::player::leave_link {	2623	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2624	my ($self, $map, $x, $y) = @_;
		2625
		2626	return unless $self->contr->active;
1608		2627
1609	my $link_pos = delete $self->{_link_pos};	2628	my $link_pos = delete $self->{_link_pos};
1610		2629
1611	unless ($map) {	2630	unless ($map) {
1612	# restore original map position	2631	# restore original map position
…		…
1623	($x, $y) = (-1, -1)	2642	($x, $y) = (-1, -1)
1624	unless (defined $x) && (defined $y);	2643	unless (defined $x) && (defined $y);
1625		2644
1626	# use -1 or undef as default coordinates, not 0, 0	2645	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2646	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2647	if $x <= 0 && $y <= 0;
1629		2648
1630	$map->load;	2649	$map->load;
		2650	$map->load_neighbours;
1631		2651
1632	return unless $self->contr->active;	2652	return unless $self->contr->active;
		2653
		2654	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2655	$self->enter_map ($map, $x, $y);
		2656
		2657	# only activate afterwards, to support waiting in hooks
1633	$self->activate_recursive;	2658	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);
1635	}	2659	}
1636		2660
1637	cf::player->attach (	2661	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1638	on_logout => sub {
1639	my ($pl) = @_;
1640		2662
1641	# abort map switching before logout	2663	Moves the player to the given map-path and coordinates by first freezing
1642	if ($pl->ob->{_link_pos}) {	2664	her, loading and preparing them map, calling the provided $check callback
1643	cf::sync_job {	2665	that has to return the map if sucecssful, and then unfreezes the player on
1644	$pl->ob->leave_link	2666	the new (success) or old (failed) map position. In either case, $done will
1645	};	2667	be called at the end of this process.
1646	}
1647	},
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2668
1651	# try to abort aborted map switching on player login :)	2669	Note that $check will be called with a potentially non-loaded map, so if
1652	# should happen only on crashes	2670	it needs a loaded map it has to call C<< ->load >>.
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668		2671
1669	=item $player_object->goto ($path, $x, $y)
1670
1671	=cut	2672	=cut
		2673
		2674	our $GOTOGEN;
1672		2675
1673	sub cf::object::player::goto {	2676	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2677	my ($self, $path, $x, $y, $check, $done) = @_;
		2678
		2679	# do generation counting so two concurrent goto's will be executed in-order
		2680	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2681
1676	$self->enter_link;	2682	$self->enter_link;
1677		2683
1678	(async {	2684	(async {
1679	$path = new cf::path $path;	2685	$Coro::current->{desc} = "player::goto $path $x $y";
1680		2686
1681	my $map = cf::map::find $path->as_string;	2687	# *tag paths override both path and x|y
		2688	if ($path =~ /^\*(.*)$/) {
		2689	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2690	my $ob = $obs[rand @obs];
		2691
		2692	# see if we actually can go there
		2693	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2694	$ob = $obs[rand @obs];
		2695	} else {
		2696	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2697	}
		2698	# else put us there anyways for now #d#
		2699
		2700	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2701	} else {
		2702	($path, $x, $y) = (undef, undef, undef);
		2703	}
		2704	}
		2705
		2706	my $map = eval {
		2707	my $map = defined $path ? cf::map::find $path : undef;
		2708
		2709	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2710	$map = $map->customise_for ($self);
1683		2711	$map = $check->($map) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2712	} else {
1685	# if $map;
1686
1687	$map or Carp::cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2713	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2714	}
1689		2715
		2716	$map
		2717	};
		2718
		2719	if ($@) {
		2720	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2721	LOG llevError | logBacktrace, Carp::longmess $@;
		2722	}
		2723
		2724	if ($gen == $self->{_goto_generation}) {
		2725	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2726	$self->leave_link ($map, $x, $y);
		2727	}
		2728
		2729	$done->() if $done;
1691	})->prio (1);	2730	})->prio (1);
1692	}	2731	}
1693		2732
1694	=item $player_object->enter_exit ($exit_object)	2733	=item $player_object->enter_exit ($exit_object)
1695		2734
…		…
1697		2736
1698	sub parse_random_map_params {	2737	sub parse_random_map_params {
1699	my ($spec) = @_;	2738	my ($spec) = @_;
1700		2739
1701	my $rmp = { # defaults	2740	my $rmp = { # defaults
1702	xsize => 10,	2741	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2742	ysize => (cf::rndm 15, 40),
		2743	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2744	#layout => string,
1704	};	2745	};
1705		2746
1706	for (split /\n/, $spec) {	2747	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2748	my ($k, $v) = split /\s+/, $_, 2;
1708		2749
…		…
1720	# that depends on the exit object	2761	# that depends on the exit object
1721		2762
1722	my $rmp = parse_random_map_params $exit->msg;	2763	my $rmp = parse_random_map_params $exit->msg;
1723		2764
1724	if ($exit->map) {	2765	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2766	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2767	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2768	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2769	$rmp->{origin_y} = $exit->y;
		2770
		2771	$exit->map->touch;
1729	}	2772	}
1730		2773
1731	$rmp->{random_seed} ||= $exit->random_seed;	2774	$rmp->{random_seed} ||= $exit->random_seed;
1732		2775
1733	my $data = cf::to_json $rmp;	2776	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1734	my $md5 = Digest::MD5::md5_hex $data;	2777	my $md5 = Digest::MD5::md5_hex $data;
		2778	my $meta = "$RANDOMDIR/$md5.meta";
1735		2779
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2780	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2781	aio_write $fh, 0, (length $data), $data, 0;
		2782	undef $fh;
		2783	aio_rename "$meta~", $meta;
1738		2784
		2785	my $slaying = "?random/$md5";
		2786
		2787	if ($exit->valid) {
1739	$exit->slaying ("?random/$md5");	2788	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2789	$exit->msg (undef);
		2790	}
1741	}	2791	}
1742	}	2792	}
1743		2793
1744	sub cf::object::player::enter_exit {	2794	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2795	my ($self, $exit) = @_;
…		…
1747	return unless $self->type == cf::PLAYER;	2797	return unless $self->type == cf::PLAYER;
1748		2798
1749	$self->enter_link;	2799	$self->enter_link;
1750		2800
1751	(async {	2801	(async {
1752	$self->deactivate_recursive; # just to be sure	2802	$Coro::current->{desc} = "enter_exit";
		2803
1753	unless (eval {	2804	unless (eval {
		2805	$self->deactivate_recursive; # just to be sure
		2806
		2807	# random map handling
		2808	{
		2809	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2810
1754	prepare_random_map $exit	2811	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	2812	if $exit->slaying eq "/!";
		2813	}
1756		2814
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2815	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2816	my $x = $exit->stats->hp;
		2817	my $y = $exit->stats->sp;
1759		2818
		2819	$self->goto ($map, $x, $y);
		2820
		2821	# if exit is damned, update players death & WoR home-position
		2822	$self->contr->savebed ($map, $x, $y)
		2823	if $exit->flag (cf::FLAG_DAMNED);
		2824
1760	1;	2825	1
1761	}) {	2826	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2827	$self->message ("Something went wrong deep within the deliantra server. "
1763	. "I'll try to bring you back to the map you were before. "	2828	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2829	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2830	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2831
1767	warn "ERROR in enter_exit: $@";	2832	warn "ERROR in enter_exit: $@";
1768	$self->leave_link;	2833	$self->leave_link;
1769	}	2834	}
1770	})->prio (1);	2835	})->prio (1);
…		…
1783		2848
1784	sub cf::client::send_drawinfo {	2849	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2850	my ($self, $text, $flags) = @_;
1786		2851
1787	utf8::encode $text;	2852	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2853	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2854	}
1790		2855
		2856	=item $client->send_big_packet ($pkt)
		2857
		2858	Like C<send_packet>, but tries to compress large packets, and fragments
		2859	them as required.
		2860
		2861	=cut
		2862
		2863	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2864
		2865	sub cf::client::send_big_packet {
		2866	my ($self, $pkt) = @_;
		2867
		2868	# try lzf for large packets
		2869	$pkt = "lzf " . Compress::LZF::compress $pkt
		2870	if 1024 <= length $pkt and $self->{can_lzf};
		2871
		2872	# split very large packets
		2873	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2874	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2875	$pkt = "frag";
		2876	}
		2877
		2878	$self->send_packet ($pkt);
		2879	}
		2880
		2881	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2882
		2883	Send a drawinfo or msg packet to the client, formatting the msg for the
		2884	client if neccessary. C<$type> should be a string identifying the type of
		2885	the message, with C<log> being the default. If C<$color> is negative, suppress
		2886	the message unless the client supports the msg packet.
		2887
		2888	=cut
		2889
		2890	# non-persistent channels (usually the info channel)
		2891	our %CHANNEL = (
		2892	"c/motd" => {
		2893	id => "infobox",
		2894	title => "MOTD",
		2895	reply => undef,
		2896	tooltip => "The message of the day",
		2897	},
		2898	"c/identify" => {
		2899	id => "infobox",
		2900	title => "Identify",
		2901	reply => undef,
		2902	tooltip => "Items recently identified",
		2903	},
		2904	"c/examine" => {
		2905	id => "infobox",
		2906	title => "Examine",
		2907	reply => undef,
		2908	tooltip => "Signs and other items you examined",
		2909	},
		2910	"c/shopinfo" => {
		2911	id => "infobox",
		2912	title => "Shop Info",
		2913	reply => undef,
		2914	tooltip => "What your bargaining skill tells you about the shop",
		2915	},
		2916	"c/book" => {
		2917	id => "infobox",
		2918	title => "Book",
		2919	reply => undef,
		2920	tooltip => "The contents of a note or book",
		2921	},
		2922	"c/lookat" => {
		2923	id => "infobox",
		2924	title => "Look",
		2925	reply => undef,
		2926	tooltip => "What you saw there",
		2927	},
		2928	"c/who" => {
		2929	id => "infobox",
		2930	title => "Players",
		2931	reply => undef,
		2932	tooltip => "Shows players who are currently online",
		2933	},
		2934	"c/body" => {
		2935	id => "infobox",
		2936	title => "Body Parts",
		2937	reply => undef,
		2938	tooltip => "Shows which body parts you posess and are available",
		2939	},
		2940	"c/statistics" => {
		2941	id => "infobox",
		2942	title => "Statistics",
		2943	reply => undef,
		2944	tooltip => "Shows your primary statistics",
		2945	},
		2946	"c/skills" => {
		2947	id => "infobox",
		2948	title => "Skills",
		2949	reply => undef,
		2950	tooltip => "Shows your experience per skill and item power",
		2951	},
		2952	"c/shopitems" => {
		2953	id => "infobox",
		2954	title => "Shop Items",
		2955	reply => undef,
		2956	tooltip => "Shows the items currently for sale in this shop",
		2957	},
		2958	"c/resistances" => {
		2959	id => "infobox",
		2960	title => "Resistances",
		2961	reply => undef,
		2962	tooltip => "Shows your resistances",
		2963	},
		2964	"c/pets" => {
		2965	id => "infobox",
		2966	title => "Pets",
		2967	reply => undef,
		2968	tooltip => "Shows information abotu your pets/a specific pet",
		2969	},
		2970	"c/perceiveself" => {
		2971	id => "infobox",
		2972	title => "Perceive Self",
		2973	reply => undef,
		2974	tooltip => "You gained detailed knowledge about yourself",
		2975	},
		2976	"c/uptime" => {
		2977	id => "infobox",
		2978	title => "Uptime",
		2979	reply => undef,
		2980	tooltip => "How long the server has been running since last restart",
		2981	},
		2982	"c/mapinfo" => {
		2983	id => "infobox",
		2984	title => "Map Info",
		2985	reply => undef,
		2986	tooltip => "Information related to the maps",
		2987	},
		2988	"c/party" => {
		2989	id => "party",
		2990	title => "Party",
		2991	reply => "gsay ",
		2992	tooltip => "Messages and chat related to your party",
		2993	},
		2994	"c/death" => {
		2995	id => "death",
		2996	title => "Death",
		2997	reply => undef,
		2998	tooltip => "Reason for and more info about your most recent death",
		2999	},
		3000	"c/say" => $SAY_CHANNEL,
		3001	"c/chat" => $CHAT_CHANNEL,
		3002	);
		3003
		3004	sub cf::client::send_msg {
		3005	my ($self, $channel, $msg, $color, @extra) = @_;
		3006
		3007	$msg = $self->pl->expand_cfpod ($msg)
		3008	unless $color & cf::NDI_VERBATIM;
		3009
		3010	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3011
		3012	# check predefined channels, for the benefit of C
		3013	if ($CHANNEL{$channel}) {
		3014	$channel = $CHANNEL{$channel};
		3015
		3016	$self->ext_msg (channel_info => $channel);
		3017	$channel = $channel->{id};
		3018
		3019	} elsif (ref $channel) {
		3020	# send meta info to client, if not yet sent
		3021	unless (exists $self->{channel}{$channel->{id}}) {
		3022	$self->{channel}{$channel->{id}} = $channel;
		3023	$self->ext_msg (channel_info => $channel);
		3024	}
		3025
		3026	$channel = $channel->{id};
		3027	}
		3028
		3029	return unless @extra || length $msg;
		3030
		3031	# default colour, mask it out
		3032	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3033	if $color & cf::NDI_DEF;
		3034
		3035	my $pkt = "msg "
		3036	. $self->{json_coder}->encode (
		3037	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3038	);
		3039
		3040	$self->send_big_packet ($pkt);
		3041	}
		3042
		3043	=item $client->ext_msg ($type, @msg)
		3044
		3045	Sends an ext event to the client.
		3046
		3047	=cut
		3048
		3049	sub cf::client::ext_msg($$@) {
		3050	my ($self, $type, @msg) = @_;
		3051
		3052	if ($self->extcmd == 2) {
		3053	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3054	} elsif ($self->extcmd == 1) { # TODO: remove
		3055	push @msg, msgtype => "event_$type";
		3056	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3057	}
		3058	}
		3059
		3060	=item $client->ext_reply ($msgid, @msg)
		3061
		3062	Sends an ext reply to the client.
		3063
		3064	=cut
		3065
		3066	sub cf::client::ext_reply($$@) {
		3067	my ($self, $id, @msg) = @_;
		3068
		3069	if ($self->extcmd == 2) {
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3071	} elsif ($self->extcmd == 1) {
		3072	#TODO: version 1, remove
		3073	unshift @msg, msgtype => "reply", msgid => $id;
		3074	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3075	}
		3076	}
1791		3077
1792	=item $success = $client->query ($flags, "text", \&cb)	3078	=item $success = $client->query ($flags, "text", \&cb)
1793		3079
1794	Queues a query to the client, calling the given callback with	3080	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3081	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3082	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		3083
1798	Queries can fail, so check the return code. Or don't, as queries will become	3084	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	3085	become reliable at some point in the future.
1800		3086
1801	=cut	3087	=cut
1802		3088
1803	sub cf::client::query {	3089	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	3090	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	3098	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3099	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		3100
1815	$self->send_packet ($self->{query_queue}[0][0])	3101	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	3102	if @{ $self->{query_queue} } == 1;
		3103
		3104	1
1817	}	3105	}
1818		3106
1819	cf::client->attach (	3107	cf::client->attach (
		3108	on_connect => sub {
		3109	my ($ns) = @_;
		3110
		3111	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3112	},
1820	on_reply => sub {	3113	on_reply => sub {
1821	my ($ns, $msg) = @_;	3114	my ($ns, $msg) = @_;
1822		3115
1823	# this weird shuffling is so that direct followup queries	3116	# this weird shuffling is so that direct followup queries
1824	# get handled first	3117	# get handled first
1825	my $queue = delete $ns->{query_queue}	3118	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	3119	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		3120
1828	(shift @$queue)->[1]->($msg);	3121	(shift @$queue)->[1]->($msg);
		3122	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		3123
1830	push @{ $ns->{query_queue} }, @$queue;	3124	push @{ $ns->{query_queue} }, @$queue;
1831		3125
1832	if (@{ $ns->{query_queue} } == @$queue) {	3126	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	3127	if (@$queue) {
…		…
1835	} else {	3129	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3130	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	3131	}
1838	}	3132	}
1839	},	3133	},
		3134	on_exticmd => sub {
		3135	my ($ns, $buf) = @_;
		3136
		3137	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3138
		3139	if (ref $msg) {
		3140	my ($type, $reply, @payload) =
		3141	"ARRAY" eq ref $msg
		3142	? @$msg
		3143	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3144
		3145	my @reply;
		3146
		3147	if (my $cb = $EXTICMD{$type}) {
		3148	@reply = $cb->($ns, @payload);
		3149	}
		3150
		3151	$ns->ext_reply ($reply, @reply)
		3152	if $reply;
		3153
		3154	} else {
		3155	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3156	}
		3157
		3158	cf::override;
		3159	},
1840	);	3160	);
1841		3161
1842	=item $client->async (\&cb)	3162	=item $client->async (\&cb)
1843		3163
1844	Create a new coroutine, running the specified callback. The coroutine will	3164	Create a new coroutine, running the specified callback. The coroutine will
…		…
1860		3180
1861	$coro	3181	$coro
1862	}	3182	}
1863		3183
1864	cf::client->attach (	3184	cf::client->attach (
1865	on_destroy => sub {	3185	on_client_destroy => sub {
1866	my ($ns) = @_;	3186	my ($ns) = @_;
1867		3187
1868	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3188	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1869	},	3189	},
1870	);	3190	);
…		…
1885	our $safe = new Safe "safe";	3205	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	3206	our $safe_hole = new Safe::Hole;
1887		3207
1888	$SIG{FPE} = 'IGNORE';	3208	$SIG{FPE} = 'IGNORE';
1889		3209
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3210	$safe->permit_only (Opcode::opset qw(
		3211	:base_core :base_mem :base_orig :base_math :base_loop
		3212	grepstart grepwhile mapstart mapwhile
		3213	sort time
		3214	));
1891		3215
1892	# here we export the classes and methods available to script code	3216	# here we export the classes and methods available to script code
1893		3217
1894	=pod	3218	=pod
1895		3219
1896	The following fucntions and emthods are available within a safe environment:	3220	The following functions and methods are available within a safe environment:
1897		3221
1898	cf::object contr pay_amount pay_player map	3222	cf::object
		3223	contr pay_amount pay_player map x y force_find force_add destroy
		3224	insert remove name archname title slaying race decrease split
		3225	value
		3226
1899	cf::object::player player	3227	cf::object::player
1900	cf::player peaceful	3228	player
1901	cf::map trigger	3229
		3230	cf::player
		3231	peaceful
		3232
		3233	cf::map
		3234	trigger
1902		3235
1903	=cut	3236	=cut
1904		3237
1905	for (	3238	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	3239	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3240	insert remove inv nrof name archname title slaying race
		3241	decrease split destroy change_exp value msg lore send_msg)],
1907	["cf::object::player" => qw(player)],	3242	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	3243	["cf::player" => qw(peaceful send_msg)],
1909	["cf::map" => qw(trigger)],	3244	["cf::map" => qw(trigger)],
1910	) {	3245	) {
1911	no strict 'refs';	3246	no strict 'refs';
1912	my ($pkg, @funs) = @$_;	3247	my ($pkg, @funs) = @$_;
1913	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3248	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1931		3266
1932	my $qcode = $code;	3267	my $qcode = $code;
1933	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3268	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1934	$qcode =~ s/\n/\\n/g;	3269	$qcode =~ s/\n/\\n/g;
1935		3270
		3271	%vars = (_dummy => 0) unless %vars;
		3272
		3273	my @res;
1936	local $_;	3274	local $_;
1937	local @safe::cf::_safe_eval_args = values %vars;
1938		3275
1939	my $eval =	3276	my $eval =
1940	"do {\n"	3277	"do {\n"
1941	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3278	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1942	. "#line 0 \"{$qcode}\"\n"	3279	. "#line 0 \"{$qcode}\"\n"
1943	. $code	3280	. $code
1944	. "\n}"	3281	. "\n}"
1945	;	3282	;
1946		3283
		3284	if ($CFG{safe_eval}) {
1947	sub_generation_inc;	3285	sub_generation_inc;
		3286	local @safe::cf::_safe_eval_args = values %vars;
1948	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3287	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1949	sub_generation_inc;	3288	sub_generation_inc;
		3289	} else {
		3290	local @cf::_safe_eval_args = values %vars;
		3291	@res = wantarray ? eval eval : scalar eval $eval;
		3292	}
1950		3293
1951	if ($@) {	3294	if ($@) {
1952	warn "$@";	3295	warn "$@";
1953	warn "while executing safe code '$code'\n";	3296	warn "while executing safe code '$code'\n";
1954	warn "with arguments " . (join " ", %vars) . "\n";	3297	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1973	=cut	3316	=cut
1974		3317
1975	sub register_script_function {	3318	sub register_script_function {
1976	my ($fun, $cb) = @_;	3319	my ($fun, $cb) = @_;
1977		3320
1978	no strict 'refs';	3321	$fun = "safe::$fun" if $CFG{safe_eval};
1979	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3322	*$fun = $safe_hole->wrap ($cb);
1980	}	3323	}
1981		3324
1982	=back	3325	=back
1983		3326
1984	=cut	3327	=cut
1985		3328
1986	#############################################################################	3329	#############################################################################
		3330	# the server's init and main functions
1987		3331
1988	=head2 EXTENSION DATABASE SUPPORT	3332	sub load_facedata($) {
		3333	my ($path) = @_;
1989		3334
1990	Crossfire maintains a very simple database for extension use. It can	3335	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	3336	# for this (global event?)
1992	excludes objects.	3337	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		3338
1994	The parameter C<$family> should best start with the name of the extension	3339	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		3340
1997	=over 4	3341	warn "loading facedata from $path\n";
1998		3342
1999	=item $hashref = cf::db_get $family	3343	my $facedata;
		3344	0 < aio_load $path, $facedata
		3345	or die "$path: $!";
2000		3346
2001	Return a hashref for use by the extension C<$family>, which can be	3347	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		3348
2005	=item $value = cf::db_get $family => $key	3349	$facedata->{version} == 2
		3350	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		3351
2007	Returns a single value from the database	3352	# patch in the exptable
2008		3353	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2009	=item cf::db_put $family => $hashref	3354	$facedata->{resource}{"res/exp_table"} = {
2010		3355	type => FT_RSRC,
2011	Stores the given family hashref into the database. Updates are delayed, if	3356	data => $exp_table,
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3357	hash => (Digest::MD5::md5 $exp_table),
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	3358	};
		3359	cf::cede_to_tick;
2060		3360
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	3361	{
		3362	my $faces = $facedata->{faceinfo};
2065		3363
2066	sub db_get($;$) {	3364	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	3365	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		3366
2072	sub db_put($$;$) {	3367	cf::face::set_visibility $idx, $info->{visibility};
2073	if (@_ >= 3) {	3368	cf::face::set_magicmap $idx, $info->{magicmap};
2074	$DB->{$_[0]}{$_[1]} = $_[2];	3369	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2075	} else {	3370	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080		3371
2081	cf::global->attach (	3372	cf::cede_to_tick;
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	3373	}
2086	);
2087	}
2088		3374
2089	#############################################################################	3375	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	3376	next unless $info->{smooth};
2091		3377
2092	sub cfg_load {	3378	my $idx = cf::face::find $face
		3379	or next;
		3380
		3381	if (my $smooth = cf::face::find $info->{smooth}) {
		3382	cf::face::set_smooth $idx, $smooth;
		3383	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3384	} else {
		3385	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3386	}
		3387
		3388	cf::cede_to_tick;
		3389	}
		3390	}
		3391
		3392	{
		3393	my $anims = $facedata->{animinfo};
		3394
		3395	while (my ($anim, $info) = each %$anims) {
		3396	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3397	cf::cede_to_tick;
		3398	}
		3399
		3400	cf::anim::invalidate_all; # d'oh
		3401	}
		3402
		3403	{
		3404	my $res = $facedata->{resource};
		3405
		3406	while (my ($name, $info) = each %$res) {
		3407	if (defined $info->{type}) {
		3408	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3409
		3410	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3411	cf::face::set_type $idx, $info->{type};
		3412	} else {
		3413	$RESOURCE{$name} = $info;
		3414	}
		3415
		3416	cf::cede_to_tick;
		3417	}
		3418	}
		3419
		3420	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3421
		3422	1
		3423	}
		3424
		3425	cf::global->attach (on_resource_update => sub {
		3426	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3427	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3428
		3429	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3430	my $sound = $soundconf->{compat}[$_]
		3431	or next;
		3432
		3433	my $face = cf::face::find "sound/$sound->[1]";
		3434	cf::sound::set $sound->[0] => $face;
		3435	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3436	}
		3437
		3438	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3439	my $face = cf::face::find "sound/$v";
		3440	cf::sound::set $k => $face;
		3441	}
		3442	}
		3443	});
		3444
		3445	register_exticmd fx_want => sub {
		3446	my ($ns, $want) = @_;
		3447
		3448	while (my ($k, $v) = each %$want) {
		3449	$ns->fx_want ($k, $v);
		3450	}
		3451	};
		3452
		3453	sub load_resource_file($) {
		3454	my $guard = lock_acquire "load_resource_file";
		3455
		3456	my $status = load_resource_file_ $_[0];
		3457	get_slot 0.1, 100;
		3458	cf::arch::commit_load;
		3459
		3460	$status
		3461	}
		3462
		3463	sub reload_regions {
		3464	# HACK to clear player env face cache, we need some signal framework
		3465	# for this (global event?)
		3466	%ext::player_env::MUSIC_FACE_CACHE = ();
		3467
		3468	load_resource_file "$MAPDIR/regions"
		3469	or die "unable to load regions file\n";
		3470
		3471	for (cf::region::list) {
		3472	$_->{match} = qr/$_->{match}/
		3473	if exists $_->{match};
		3474	}
		3475	}
		3476
		3477	sub reload_facedata {
		3478	load_facedata "$DATADIR/facedata"
		3479	or die "unable to load facedata\n";
		3480	}
		3481
		3482	sub reload_archetypes {
		3483	load_resource_file "$DATADIR/archetypes"
		3484	or die "unable to load archetypes\n";
		3485	}
		3486
		3487	sub reload_treasures {
		3488	load_resource_file "$DATADIR/treasures"
		3489	or die "unable to load treasurelists\n";
		3490	}
		3491
		3492	sub reload_resources {
		3493	warn "reloading resource files...\n";
		3494
		3495	reload_facedata;
		3496	reload_archetypes;
		3497	reload_regions;
		3498	reload_treasures;
		3499
		3500	warn "finished reloading resource files\n";
		3501	}
		3502
		3503	sub reload_config {
		3504	warn "reloading config file...\n";
		3505
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3506	open my $fh, "<:utf8", "$CONFDIR/config"
2094	or return;	3507	or return;
2095		3508
2096	local $/;	3509	local $/;
2097	*CFG = YAML::Syck::Load <$fh>;	3510	*CFG = YAML::XS::Load scalar <$fh>;
2098		3511
2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3512	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2100		3513
2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3514	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3515	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2106	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3519	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2107	and die "WARNING: m(un)lockall failed: $!\n";	3520	and die "WARNING: m(un)lockall failed: $!\n";
2108	};	3521	};
2109	warn $@ if $@;	3522	warn $@ if $@;
2110	}	3523	}
		3524
		3525	warn "finished reloading resource files\n";
		3526	}
		3527
		3528	sub pidfile() {
		3529	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3530	or die "$PIDFILE: $!";
		3531	flock $fh, &Fcntl::LOCK_EX
		3532	or die "$PIDFILE: flock: $!";
		3533	$fh
		3534	}
		3535
		3536	# make sure only one server instance is running at any one time
		3537	sub atomic {
		3538	my $fh = pidfile;
		3539
		3540	my $pid = <$fh>;
		3541	kill 9, $pid if $pid > 0;
		3542
		3543	seek $fh, 0, 0;
		3544	print $fh $$;
		3545	}
		3546
		3547	sub main_loop {
		3548	warn "EV::loop starting\n";
		3549	if (1) {
		3550	EV::loop;
		3551	}
		3552	warn "EV::loop returned\n";
		3553	goto &main_loop unless $REALLY_UNLOOP;
2111	}	3554	}
2112		3555
2113	sub main {	3556	sub main {
		3557	cf::init_globals; # initialise logging
		3558
		3559	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3560	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3561	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3562	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3563
		3564	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3565
2114	# we must not ever block the main coroutine	3566	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3567	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3568	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2117	async { Event::one_event };	3569	(async {
		3570	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3571	EV::loop EV::LOOP_ONESHOT;
		3572	})->prio (Coro::PRIO_MAX);
2118	};	3573	};
2119		3574
2120	cfg_load;	3575	evthread_start IO::AIO::poll_fileno;
2121	db_load;	3576
		3577	cf::sync_job {
		3578	cf::init_experience;
		3579	cf::init_anim;
		3580	cf::init_attackmess;
		3581	cf::init_dynamic;
		3582
		3583	cf::load_settings;
		3584	cf::load_materials;
		3585
		3586	reload_resources;
		3587	reload_config;
		3588	db_init;
		3589
		3590	cf::init_uuid;
		3591	cf::init_signals;
		3592	cf::init_skills;
		3593
		3594	cf::init_beforeplay;
		3595
		3596	atomic;
		3597
2122	load_extensions;	3598	load_extensions;
2123	Event::loop;	3599
		3600	utime time, time, $RUNTIMEFILE;
		3601
		3602	# no (long-running) fork's whatsoever before this point(!)
		3603	use POSIX ();
		3604	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3605
		3606	(pop @POST_INIT)->(0) while @POST_INIT;
		3607	};
		3608
		3609	cf::object::thawer::errors_are_fatal 0;
		3610	warn "parse errors in files are no longer fatal from this point on.\n";
		3611
		3612	main_loop;
2124	}	3613	}
2125		3614
2126	#############################################################################	3615	#############################################################################
2127	# initialisation	3616	# initialisation and cleanup
2128		3617
		3618	# install some emergency cleanup handlers
		3619	BEGIN {
		3620	our %SIGWATCHER = ();
		3621	for my $signal (qw(INT HUP TERM)) {
		3622	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3623	cf::cleanup "SIG$signal";
		3624	};
		3625	}
		3626	}
		3627
		3628	sub write_runtime_sync {
		3629	my $t0 = AE::time;
		3630
		3631	# first touch the runtime file to show we are still running:
		3632	# the fsync below can take a very very long time.
		3633
		3634	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3635
		3636	my $guard = cf::lock_acquire "write_runtime";
		3637
		3638	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3639	or return;
		3640
		3641	my $value = $cf::RUNTIME + 90 + 10;
		3642	# 10 is the runtime save interval, for a monotonic clock
		3643	# 60 allows for the watchdog to kill the server.
		3644
		3645	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3646	and return;
		3647
		3648	# always fsync - this file is important
		3649	aio_fsync $fh
		3650	and return;
		3651
		3652	# touch it again to show we are up-to-date
		3653	aio_utime $fh, undef, undef;
		3654
		3655	close $fh
		3656	or return;
		3657
		3658	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3659	and return;
		3660
		3661	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3662
		3663	1
		3664	}
		3665
		3666	our $uuid_lock;
		3667	our $uuid_skip;
		3668
		3669	sub write_uuid_sync($) {
		3670	$uuid_skip ||= $_[0];
		3671
		3672	return if $uuid_lock;
		3673	local $uuid_lock = 1;
		3674
		3675	my $uuid = "$LOCALDIR/uuid";
		3676
		3677	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3678	or return;
		3679
		3680	my $value = uuid_seq uuid_cur;
		3681
		3682	unless ($value) {
		3683	warn "cowardly refusing to write zero uuid value!\n";
		3684	return;
		3685	}
		3686
		3687	my $value = uuid_str $value + $uuid_skip;
		3688	$uuid_skip = 0;
		3689
		3690	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3691	and return;
		3692
		3693	# always fsync - this file is important
		3694	aio_fsync $fh
		3695	and return;
		3696
		3697	close $fh
		3698	or return;
		3699
		3700	aio_rename "$uuid~", $uuid
		3701	and return;
		3702
		3703	warn "uuid file written ($value).\n";
		3704
		3705	1
		3706
		3707	}
		3708
		3709	sub write_uuid($$) {
		3710	my ($skip, $sync) = @_;
		3711
		3712	$sync ? write_uuid_sync $skip
		3713	: async { write_uuid_sync $skip };
		3714	}
		3715
		3716	sub emergency_save() {
		3717	my $freeze_guard = cf::freeze_mainloop;
		3718
		3719	warn "emergency_perl_save: enter\n";
		3720
		3721	cf::sync_job {
		3722	# this is a trade-off: we want to be very quick here, so
		3723	# save all maps without fsync, and later call a global sync
		3724	# (which in turn might be very very slow)
		3725	local $USE_FSYNC = 0;
		3726
		3727	# use a peculiar iteration method to avoid tripping on perl
		3728	# refcount bugs in for. also avoids problems with players
		3729	# and maps saved/destroyed asynchronously.
		3730	warn "emergency_perl_save: begin player save\n";
		3731	for my $login (keys %cf::PLAYER) {
		3732	my $pl = $cf::PLAYER{$login} or next;
		3733	$pl->valid or next;
		3734	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3735	$pl->save;
		3736	}
		3737	warn "emergency_perl_save: end player save\n";
		3738
		3739	warn "emergency_perl_save: begin map save\n";
		3740	for my $path (keys %cf::MAP) {
		3741	my $map = $cf::MAP{$path} or next;
		3742	$map->valid or next;
		3743	$map->save;
		3744	}
		3745	warn "emergency_perl_save: end map save\n";
		3746
		3747	warn "emergency_perl_save: begin database checkpoint\n";
		3748	BDB::db_env_txn_checkpoint $DB_ENV;
		3749	warn "emergency_perl_save: end database checkpoint\n";
		3750
		3751	warn "emergency_perl_save: begin write uuid\n";
		3752	write_uuid_sync 1;
		3753	warn "emergency_perl_save: end write uuid\n";
		3754	};
		3755
		3756	warn "emergency_perl_save: starting sync()\n";
		3757	IO::AIO::aio_sync sub {
		3758	warn "emergency_perl_save: finished sync()\n";
		3759	};
		3760
		3761	warn "emergency_perl_save: leave\n";
		3762	}
		3763
		3764	sub post_cleanup {
		3765	my ($make_core) = @_;
		3766
		3767	warn Carp::longmess "post_cleanup backtrace"
		3768	if $make_core;
		3769
		3770	my $fh = pidfile;
		3771	unlink $PIDFILE if <$fh> == $$;
		3772	}
		3773
		3774	# a safer delete_package, copied from Symbol
		3775	sub clear_package($) {
		3776	my $pkg = shift;
		3777
		3778	# expand to full symbol table name if needed
		3779	unless ($pkg =~ /^main::.*::$/) {
		3780	$pkg = "main$pkg" if $pkg =~ /^::/;
		3781	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3782	$pkg .= '::' unless $pkg =~ /::$/;
		3783	}
		3784
		3785	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3786	my $stem_symtab = *{$stem}{HASH};
		3787
		3788	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3789	or return;
		3790
		3791	# clear all symbols
		3792	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3793	for my $name (keys %$leaf_symtab) {
		3794	_gv_clear *{"$pkg$name"};
		3795	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3796	}
		3797	}
		3798
2129	sub reload() {	3799	sub do_reload_perl() {
2130	# can/must only be called in main	3800	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3801	if (in_main) {
2132	warn "can only reload from main coroutine\n";	3802	warn "can only reload from main coroutine";
2133	return;	3803	return;
2134	}	3804	}
2135		3805
		3806	return if $RELOAD++;
		3807
		3808	my $t1 = AE::time;
		3809
		3810	while ($RELOAD) {
2136	warn "reloading...";	3811	warn "reloading...";
2137		3812
2138	my $guard = freeze_mainloop;	3813	warn "entering sync_job";
		3814
		3815	cf::sync_job {
		3816	cf::write_runtime_sync; # external watchdog should not bark
2139	cf::emergency_save;	3817	cf::emergency_save;
		3818	cf::write_runtime_sync; # external watchdog should not bark
2140		3819
2141	eval {	3820	warn "syncing database to disk";
		3821	BDB::db_env_txn_checkpoint $DB_ENV;
		3822
2142	# if anything goes wrong in here, we should simply crash as we already saved	3823	# if anything goes wrong in here, we should simply crash as we already saved
2143		3824
2144	# cancel all watchers	3825	warn "flushing outstanding aio requests";
2145	for (Event::all_watchers) {	3826	while (IO::AIO::nreqs || BDB::nreqs) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;	3827	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2147	}
2148
2149	# cancel all extension coros
2150	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();
2152
2153	# unload all extensions
2154	for (@exts) {
2155	warn "unloading <$_>";
2156	unload_extension $_;
2157	}
2158
2159	# unload all modules loaded from $LIBDIR
2160	while (my ($k, $v) = each %INC) {
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162
2163	warn "removing <$k>";
2164	delete $INC{$k};
2165
2166	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;
2168
2169	if (my $cb = $k->can ("unload_module")) {
2170	$cb->();
2171	}	3828	}
2172		3829
2173	Symbol::delete_package $k;	3830	warn "cancelling all extension coros";
		3831	$_->cancel for values %EXT_CORO;
		3832	%EXT_CORO = ();
		3833
		3834	warn "removing commands";
		3835	%COMMAND = ();
		3836
		3837	warn "removing ext/exti commands";
		3838	%EXTCMD = ();
		3839	%EXTICMD = ();
		3840
		3841	warn "unloading/nuking all extensions";
		3842	for my $pkg (@EXTS) {
		3843	warn "... unloading $pkg";
		3844
		3845	if (my $cb = $pkg->can ("unload")) {
		3846	eval {
		3847	$cb->($pkg);
		3848	1
		3849	} or warn "$pkg unloaded, but with errors: $@";
		3850	}
		3851
		3852	warn "... clearing $pkg";
		3853	clear_package $pkg;
2174	}	3854	}
2175		3855
2176	# sync database to disk	3856	warn "unloading all perl modules loaded from $LIBDIR";
2177	cf::db_sync;	3857	while (my ($k, $v) = each %INC) {
2178	IO::AIO::flush;	3858	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2179		3859
		3860	warn "... unloading $k";
		3861	delete $INC{$k};
		3862
		3863	$k =~ s/\.pm$//;
		3864	$k =~ s/\//::/g;
		3865
		3866	if (my $cb = $k->can ("unload_module")) {
		3867	$cb->();
		3868	}
		3869
		3870	clear_package $k;
		3871	}
		3872
2180	# get rid of safe::, as good as possible	3873	warn "getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3874	clear_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3875	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3876
2184	# remove register_script_function callbacks	3877	warn "unloading cf.pm \"a bit\"";
2185	# TODO
2186
2187	# unload cf.pm "a bit"
2188	delete $INC{"cf.pm"};	3878	delete $INC{"cf.pm"};
		3879	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2189		3880
2190	# don't, removes xs symbols, too,	3881	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3882	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3883	#clear_package __PACKAGE__;
2193		3884
2194	# reload cf.pm	3885	warn "unload completed, starting to reload now";
		3886
2195	warn "reloading cf.pm";	3887	warn "reloading cf.pm";
2196	require cf;	3888	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3889	cf::_connect_to_perl_1;
2198		3890
2199	# load config and database again	3891	warn "loading config and database again";
2200	cf::cfg_load;	3892	cf::reload_config;
2201	cf::db_load;
2202		3893
2203	# load extensions
2204	warn "load extensions";	3894	warn "loading extensions";
2205	cf::load_extensions;	3895	cf::load_extensions;
2206		3896
2207	# reattach attachments to objects	3897	if ($REATTACH_ON_RELOAD) {
2208	warn "reattach";	3898	warn "reattaching attachments to objects/players";
2209	_global_reattach;	3899	_global_reattach; # objects, sockets
		3900	warn "reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3901	reattach $_ for values %MAP;
		3902	warn "reattaching attachments to players";
		3903	reattach $_ for values %PLAYER;
		3904	}
		3905
		3906	warn "running post_init jobs";
		3907	(pop @POST_INIT)->(1) while @POST_INIT;
		3908
		3909	warn "leaving sync_job";
		3910
		3911	1
		3912	} or do {
		3913	warn $@;
		3914	cf::cleanup "error while reloading, exiting.";
		3915	};
		3916
		3917	warn "reloaded";
		3918	--$RELOAD;
		3919	}
		3920
		3921	$t1 = AE::time - $t1;
		3922	warn "reload completed in ${t1}s\n";
		3923	};
		3924
		3925	our $RELOAD_WATCHER; # used only during reload
		3926
		3927	sub reload_perl() {
		3928	# doing reload synchronously and two reloads happen back-to-back,
		3929	# coro crashes during coro_state_free->destroy here.
		3930
		3931	$RELOAD_WATCHER ||= cf::async {
		3932	Coro::AIO::aio_wait cache_extensions;
		3933
		3934	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3935	do_reload_perl;
		3936	undef $RELOAD_WATCHER;
		3937	};
2211	};	3938	};
2212
2213	if ($@) {
2214	warn $@;
2215	warn "error while reloading, exiting.";
2216	exit 1;
2217	}
2218
2219	warn "reloaded successfully";
2220	};
2221
2222	#############################################################################
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	3939	}
2264
2265	register "<global>", __PACKAGE__;
2266		3940
2267	register_command "reload" => sub {	3941	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	3942	my ($who, $arg) = @_;
2269		3943
2270	if ($who->flag (FLAG_WIZ)) {	3944	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	3945	$who->message ("reloading server.");
		3946	async {
		3947	$Coro::current->{desc} = "perl_reload";
		3948	reload_perl;
		3949	};
2274	}	3950	}
2275	};	3951	};
2276		3952
2277	unshift @INC, $LIBDIR;	3953	unshift @INC, $LIBDIR;
2278		3954
2279	$TICK_WATCHER = Event->timer (	3955	my $bug_warning = 0;
2280	reentrant => 0,	3956
2281	prio => 0,	3957	our @WAIT_FOR_TICK;
2282	at => $NEXT_TICK || $TICK,	3958	our @WAIT_FOR_TICK_BEGIN;
2283	data => WF_AUTOCANCEL,	3959
2284	cb => sub {	3960	sub wait_for_tick {
		3961	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3962
		3963	my $signal = new Coro::Signal;
		3964	push @WAIT_FOR_TICK, $signal;
		3965	$signal->wait;
		3966	}
		3967
		3968	sub wait_for_tick_begin {
		3969	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3970
		3971	my $signal = new Coro::Signal;
		3972	push @WAIT_FOR_TICK_BEGIN, $signal;
		3973	$signal->wait;
		3974	}
		3975
		3976	sub tick {
		3977	if ($Coro::current != $Coro::main) {
		3978	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3979	unless ++$bug_warning > 10;
		3980	return;
		3981	}
		3982
2285	cf::server_tick; # one server iteration	3983	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;
2288		3984
2289	# if we are delayed by four ticks or more, skip them all	3985	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		3986
2292	$TICK_WATCHER->at ($NEXT_TICK);	3987	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2293	$TICK_WATCHER->start;	3988	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2294	},	3989	Coro::async_pool {
2295	);	3990	$Coro::current->{desc} = "runtime saver";
2296
2297	IO::AIO::max_poll_time $TICK * 0.2;
2298
2299	Event->io (
2300	fd => IO::AIO::poll_fileno,
2301	poll => 'r',
2302	prio => 5,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,
2309	after => 0,
2310	interval => 10,
2311	cb => sub {
2312	(Coro::unblock_sub {
2313	write_runtime	3991	write_runtime_sync
2314	or warn "ERROR: unable to write runtime file: $!";	3992	or warn "ERROR: unable to write runtime file: $!";
2315	})->();	3993	};
2316	},	3994	}
2317	);	3995
		3996	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3997	$sig->send;
		3998	}
		3999	while (my $sig = shift @WAIT_FOR_TICK) {
		4000	$sig->send;
		4001	}
		4002
		4003	$LOAD = ($NOW - $TICK_START) / $TICK;
		4004	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4005
		4006	if (0) {
		4007	if ($NEXT_TICK) {
		4008	my $jitter = $TICK_START - $NEXT_TICK;
		4009	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4010	warn "jitter $JITTER\n";#d#
		4011	}
		4012	}
		4013	}
		4014
		4015	{
		4016	# configure BDB
		4017
		4018	BDB::min_parallel 16;
		4019	BDB::max_poll_reqs $TICK * 0.1;
		4020	$AnyEvent::BDB::WATCHER->priority (1);
		4021
		4022	unless ($DB_ENV) {
		4023	$DB_ENV = BDB::db_env_create;
		4024	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4025	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4026	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4027	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4028	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4029
		4030	cf::sync_job {
		4031	eval {
		4032	BDB::db_env_open
		4033	$DB_ENV,
		4034	$BDBDIR,
		4035	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4036	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4037	0666;
		4038
		4039	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4040	};
		4041
		4042	cf::cleanup "db_env_open(db): $@" if $@;
		4043	};
		4044	}
		4045
		4046	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4047	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4048	};
		4049	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4050	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4051	};
		4052	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4053	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4054	};
		4055	}
		4056
		4057	{
		4058	# configure IO::AIO
		4059
		4060	IO::AIO::min_parallel 8;
		4061	IO::AIO::max_poll_time $TICK * 0.1;
		4062	undef $AnyEvent::AIO::WATCHER;
		4063	}
		4064
		4065	my $_log_backtrace;
		4066
		4067	sub _log_backtrace {
		4068	my ($msg, @addr) = @_;
		4069
		4070	$msg =~ s/\n//;
		4071
		4072	# limit the # of concurrent backtraces
		4073	if ($_log_backtrace < 2) {
		4074	++$_log_backtrace;
		4075	my $perl_bt = Carp::longmess $msg;
		4076	async {
		4077	$Coro::current->{desc} = "abt $msg";
		4078
		4079	my @bt = fork_call {
		4080	@addr = map { sprintf "%x", $_ } @addr;
		4081	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4082	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4083	or die "addr2line: $!";
		4084
		4085	my @funcs;
		4086	my @res = <$fh>;
		4087	chomp for @res;
		4088	while (@res) {
		4089	my ($func, $line) = splice @res, 0, 2, ();
		4090	push @funcs, "[$func] $line";
		4091	}
		4092
		4093	@funcs
		4094	};
		4095
		4096	LOG llevInfo, "[ABT] $perl_bt\n";
		4097	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4098	LOG llevInfo, "[ABT] $_\n" for @bt;
		4099	--$_log_backtrace;
		4100	};
		4101	} else {
		4102	LOG llevInfo, "[ABT] $msg\n";
		4103	LOG llevInfo, "[ABT] [suppressed]\n";
		4104	}
		4105	}
		4106
		4107	# load additional modules
		4108	require "cf/$_.pm" for @EXTRA_MODULES;
		4109	cf::_connect_to_perl_2;
2318		4110
2319	END { cf::emergency_save }	4111	END { cf::emergency_save }
2320		4112
2321	1	4113	1
2322		4114

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