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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.521 by root, Fri Apr 16 23:28:42 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	#############################################################################
		171
		172	%REFLECT = ();
		173	for (@REFLECT) {
		174	my $reflect = JSON::XS::decode_json $_;
		175	$REFLECT{$reflect->{class}} = $reflect;
		176	}
		177
		178	# this is decidedly evil
		179	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		180
78	#############################################################################	181	#############################################################################
79		182
80	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
81		184
…		…
88	=item $cf::RUNTIME	191	=item $cf::RUNTIME
89		192
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	193	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	194	every server tick.
92		195
93	=item $cf::LIBDIR	196	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		197	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		198	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		199
95	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	201	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		202	unique-items directory, player file directory, random maps directory and
		203	database environment.
97		204
98	=item $cf::NOW	205	=item $cf::NOW
99		206
100	The time of the last (current) server tick.	207	The time of the last (current) server tick.
101		208
102	=item $cf::TICK	209	=item $cf::TICK
103		210
104	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
105		212
		213	=item $cf::LOADAVG
		214
		215	The current CPU load on the server (alpha-smoothed), as a value between 0
		216	(none) and 1 (overloaded), indicating how much time is spent on processing
		217	objects per tick. Healthy values are < 0.5.
		218
		219	=item $cf::LOAD
		220
		221	The raw value load value from the last tick.
		222
106	=item %cf::CFG	223	=item %cf::CFG
107		224
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	226	from wherever your confdir points to.
110		227
		228	=item cf::wait_for_tick, cf::wait_for_tick_begin
		229
		230	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		231	returns directly I<after> the tick processing (and consequently, can only wake one process
		232	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		233
		234	=item @cf::INVOKE_RESULTS
		235
		236	This array contains the results of the last C<invoke ()> call. When
		237	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		238	that call.
		239
		240	=item %cf::REFLECT
		241
		242	Contains, for each (C++) class name, a hash reference with information
		243	about object members (methods, scalars, arrays and flags) and other
		244	metadata, which is useful for introspection.
		245
111	=back	246	=back
112		247
113	=cut	248	=cut
114		249
115	BEGIN {	250	$Coro::State::WARNHOOK = sub {
116	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	251	my $msg = join "", @_;
118	utf8::encode $msg;
119		252
120	$msg .= "\n"	253	$msg .= "\n"
121	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
122		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
123	LOG llevError, $msg;	258	LOG llevError, $msg;
124	};	259	};
125	}	260
		261	$Coro::State::DIEHOOK = sub {
		262	return unless $^S eq 0; # "eq", not "=="
		263
		264	warn Carp::longmess $_[0];
		265
		266	if ($Coro::current == $Coro::main) {#d#
		267	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		268	return;#d#
		269	}#d#
		270
		271	# kill coroutine otherwise
		272	Coro::terminate
		273	};
126		274
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	279	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		280	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	281	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		282
134	# we bless all objects into (empty) derived classes to force a method lookup	283	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	284	# within the Safe compartment.
136	for my $pkg (qw(	285	for my $pkg (qw(
137	cf::global cf::attachable	286	cf::global cf::attachable
138	cf::object cf::object::player	287	cf::object cf::object::player
139	cf::client cf::player	288	cf::client cf::player
140	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
141	cf::map cf::party cf::region	291	cf::party cf::region
142	)) {	292	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	294	}
146		295
147	$Event::DIED = sub {	296	$EV::DIED = sub {
148	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
149	};	298	};
150		299
151	my %ext_pkg;	300	#############################################################################
152	my @exts;
153	my @hook;
154		301
155	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
156		303
157	=over 4	304	=over 4
158		305
159	=cut	306	=item dumpval $ref
160		307
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
162		309
		310	sub dumpval {
		311	eval {
		312	local $SIG{__DIE__};
		313	my $d;
		314	if (1) {
		315	$d = new Data::Dumper([$_[0]], ["*var"]);
		316	$d->Terse(1);
		317	$d->Indent(2);
		318	$d->Quotekeys(0);
		319	$d->Useqq(1);
		320	#$d->Bless(...);
		321	$d->Seen($_[1]) if @_ > 1;
		322	$d = $d->Dump();
		323	}
		324	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		325	$d
		326	} || "[unable to dump $_[0]: '$@']";
		327	}
		328
163	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
164		330
165	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
166		332
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
175		334
176	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
177		336
178	=cut	337	=cut
179		338
180	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	340
182	JSON::Syck::Dump $_[0]	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
		343
		344	=item cf::post_init { BLOCK }
		345
		346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		347	but I<before> the server starts ticking again.
		348
		349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
		351
		352	=cut
		353
		354	sub post_init(&) {
		355	push @POST_INIT, shift;
183	}	356	}
184		357
185	=item cf::lock_wait $string	358	=item cf::lock_wait $string
186		359
187	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
188		361
189	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
190		363
191	Wait until the given lock is available and then acquires it and returns	364	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,	365	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	366	for example when the coroutine gets canceled), the lock is automatically
194	returned.	367	returned.
195		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
196	Lock names should begin with a unique identifier (for example, cf::map::find	372	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	373	uses map_find and cf::map::load uses map_load).
198		374
199	=cut	375	=item $locked = cf::lock_active $string
200		376
201	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
202		382
203	sub lock_wait($) {	383	sub lock_wait($) {
204	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	385	}
212		386
213	sub lock_acquire($) {	387	sub lock_acquire($) {
214	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
215		390
216	# wait, to be sure we are not locked	391	sub lock_active($) {
217	lock_wait $key;	392	$LOCKS->count ($_[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	}	393	}
226		394
227	sub freeze_mainloop {	395	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	396	tick_inhibit_inc;
229		397
230	my $guard = Coro::guard { $TICK_WATCHER->start };	398	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	399	}
232	$guard	400
		401	=item cf::periodic $interval, $cb
		402
		403	Like EV::periodic, but randomly selects a starting point so that the actions
		404	get spread over time.
		405
		406	=cut
		407
		408	sub periodic($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
		465	}
		466	};
		467
		468	sub get_slot($;$$) {
		469	return if tick_inhibit || $Coro::current == $Coro::main;
		470
		471	my ($time, $pri, $name) = @_;
		472
		473	$time = clamp $time, 0.01, $TICK * .6;
		474
		475	my $sig = new Coro::Signal;
		476
		477	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		478	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		479	$SLOT_QUEUE->ready;
		480	$sig->wait;
233	}	481	}
234		482
235	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
236		484
237	Currently the same as Coro::async_pool, meaning you cannot use	485	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		490
243	BEGIN { *async = \&Coro::async_pool }	491	BEGIN { *async = \&Coro::async_pool }
244		492
245	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
246		494
247	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
250		499
251	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
254	fast or be very important.	503	fast or be very important.
…		…
257		506
258	sub sync_job(&) {	507	sub sync_job(&) {
259	my ($job) = @_;	508	my ($job) = @_;
260		509
261	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
262	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
264		515
265	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	517
267	my $freeze_guard = freeze_mainloop;	518	my $freeze_guard = freeze_mainloop;
268		519
269	my $busy = 1;	520	my $busy = 1;
270	my @res;	521	my @res;
271		522
272	(async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	525	@res = eval { $job->() };
274	warn $@ if $@;	526	warn $@ if $@;
275	undef $busy;	527	undef $busy;
276	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
277		529
278	while ($busy) {	530	while ($busy) {
279	Coro::cede or Event::one_event;	531	if (Coro::nready) {
		532	Coro::cede_notself;
		533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
280	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
281		541
282	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
283	} else {	543	} else {
284	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
285		545
…		…
287	}	547	}
288	}	548	}
289		549
290	=item $coro = cf::async_ext { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
291		551
292	Like async, but this coro is automcatially being canceled when the	552	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	553	extension calling this is being unloaded.
294		554
295	=cut	555	=cut
296		556
297	sub async_ext(&) {	557	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
306		566
307	$coro	567	$coro
308	}	568	}
309		569
310	sub write_runtime {	570	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		571
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
314	or return;	573	process, returning the results. Everything must be serialisable with
		574	Coro::Storable. May, of course, block. Note that the executed sub may
		575	never block itself or use any form of event handling.
315		576
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		578
320	aio_fsync $fh	579	sub fork_call(&@) {
321	and return;	580	my ($cb, @args) = @_;
322		581
323	close $fh	582	# we seemingly have to make a local copy of the whole thing,
324	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
325		585
326	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
327	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
328		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
329	1	595	(
		596	"counter value" => cf::object::object_count,
		597	"objects created" => cf::object::create_count,
		598	"objects destroyed" => cf::object::destroy_count,
		599	"freelist size" => cf::object::free_count,
		600	"allocated objects" => cf::object::objects_size,
		601	"active objects" => cf::object::actives_size,
		602	)
		603	}
		604
		605	=item $coin = coin_from_name $name
		606
		607	=cut
		608
		609	our %coin_alias = (
		610	"silver" => "silvercoin",
		611	"silvercoin" => "silvercoin",
		612	"silvercoins" => "silvercoin",
		613	"gold" => "goldcoin",
		614	"goldcoin" => "goldcoin",
		615	"goldcoins" => "goldcoin",
		616	"platinum" => "platinacoin",
		617	"platinumcoin" => "platinacoin",
		618	"platinumcoins" => "platinacoin",
		619	"platina" => "platinacoin",
		620	"platinacoin" => "platinacoin",
		621	"platinacoins" => "platinacoin",
		622	"royalty" => "royalty",
		623	"royalties" => "royalty",
		624	);
		625
		626	sub coin_from_name($) {
		627	$coin_alias{$_[0]}
		628	? cf::arch::find $coin_alias{$_[0]}
		629	: undef
		630	}
		631
		632	=item $value = cf::db_get $family => $key
		633
		634	Returns a single value from the environment database.
		635
		636	=item cf::db_put $family => $key => $value
		637
		638	Stores the given C<$value> in the family. It can currently store binary
		639	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		640
		641	=item $db = cf::db_table "name"
		642
		643	Create and/or open a new database table. The string must not be "db" and must be unique
		644	within each server.
		645
		646	=cut
		647
		648	sub db_table($) {
		649	my ($name) = @_;
		650	my $db = BDB::db_create $DB_ENV;
		651
		652	eval {
		653	$db->set_flags (BDB::CHKSUM);
		654
		655	utf8::encode $name;
		656	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		657	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		658	cf::cleanup "db_open(db): $!" if $!;
		659	};
		660	cf::cleanup "db_open(db): $@" if $@;
		661
		662	$db
		663	}
		664
		665	our $DB;
		666
		667	sub db_init {
		668	cf::sync_job {
		669	$DB ||= db_table "db";
		670	};
		671	}
		672
		673	sub db_get($$) {
		674	my $key = "$_[0]/$_[1]";
		675
		676	cf::sync_job {
		677	BDB::db_get $DB, undef, $key, my $data;
		678
		679	$! ? ()
		680	: $data
		681	}
		682	}
		683
		684	sub db_put($$$) {
		685	BDB::dbreq_pri 4;
		686	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		687	}
		688
		689	=item cf::cache $id => [$paths...], $processversion => $process
		690
		691	Generic caching function that returns the value of the resource $id,
		692	caching and regenerating as required.
		693
		694	This function can block.
		695
		696	=cut
		697
		698	sub cache {
		699	my ($id, $src, $processversion, $process) = @_;
		700
		701	my $meta =
		702	join "\x00",
		703	$processversion,
		704	map {
		705	aio_stat $_
		706	and Carp::croak "$_: $!";
		707
		708	($_, (stat _)[7,9])
		709	} @$src;
		710
		711	my $dbmeta = db_get cache => "$id/meta";
		712	if ($dbmeta ne $meta) {
		713	# changed, we may need to process
		714
		715	my @data;
		716	my $md5;
		717
		718	for (0 .. $#$src) {
		719	0 <= aio_load $src->[$_], $data[$_]
		720	or Carp::croak "$src->[$_]: $!";
		721	}
		722
		723	# if processing is expensive, check
		724	# checksum first
		725	if (1) {
		726	$md5 =
		727	join "\x00",
		728	$processversion,
		729	map {
		730	cf::cede_to_tick;
		731	($src->[$_], Digest::MD5::md5_hex $data[$_])
		732	} 0.. $#$src;
		733
		734
		735	my $dbmd5 = db_get cache => "$id/md5";
		736	if ($dbmd5 eq $md5) {
		737	db_put cache => "$id/meta", $meta;
		738
		739	return db_get cache => "$id/data";
		740	}
		741	}
		742
		743	my $t1 = Time::HiRes::time;
		744	my $data = $process->(\@data);
		745	my $t2 = Time::HiRes::time;
		746
		747	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		748
		749	db_put cache => "$id/data", $data;
		750	db_put cache => "$id/md5" , $md5;
		751	db_put cache => "$id/meta", $meta;
		752
		753	return $data;
		754	}
		755
		756	db_get cache => "$id/data"
		757	}
		758
		759	=item cf::datalog type => key => value, ...
		760
		761	Log a datalog packet of the given type with the given key-value pairs.
		762
		763	=cut
		764
		765	sub datalog($@) {
		766	my ($type, %kv) = @_;
		767	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	768	}
331		769
332	=back	770	=back
333		771
334	=cut	772	=cut
335		773
336	#############################################################################	774	#############################################################################
337		775
338	package cf::path;
339
340	sub new {
341	my ($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	776	=head2 ATTACHABLE OBJECTS
459		777
460	Many objects in crossfire are so-called attachable objects. That means you can	778	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")	779	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
463		781
464	In the following description, CLASS can be any of C<global>, C<object>	782	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	783	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	784	Deliantra).
467		785
468	=over 4	786	=over 4
469		787
470	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
471		789
…		…
515	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
516		834
517	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
519		837
520	Some classes such as crossfire maps and objects can specify attachments	838	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.	839	that are attached at load/instantiate time, thus the need for a name.
522		840
523	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
524		842
525	=over 4	843	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	904	our @CB_MAP = ();
587		905
588	my %attachment;	906	my %attachment;
589		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
590	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
592		916
593	use sort 'stable';	917	use sort 'stable';
594		918
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
629		953
630	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		958
635	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	960	my $pkg = shift @arg;
637		961
638	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
668	}	992	}
669		993
670	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
671	} else {	995	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	997	}
674		998
675	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
676	}	1000	}
677		1001
…		…
679	if (ref $_[0]) {	1003	if (ref $_[0]) {
680	_object_attach @_;	1004	_object_attach @_;
681	} else {	1005	} else {
682	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
683	}	1007	}
		1008	_recalc_want;
684	};	1009	};
685		1010
686	# all those should be optimised	1011	# all those should be optimised
687	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1017	reattach ($obj);
693	} else {	1018	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
695	}	1020	}
		1021	_recalc_want;
696	};	1022	};
697		1023
698	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
700		1026
…		…
715	";	1041	";
716	die if $@;	1042	die if $@;
717	}	1043	}
718		1044
719	our $override;	1045	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1046	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1047
722	sub override {	1048	sub override {
723	$override = 1;	1049	$override = 1;
724	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
725	}	1051	}
726		1052
727	sub do_invoke {	1053	sub do_invoke {
728	my $event = shift;	1054	my $event = shift;
729	my $callbacks = shift;	1055	my $callbacks = shift;
730		1056
731	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
732		1058
733	local $override;	1059	local $override;
734		1060
735	for (@$callbacks) {	1061	for (@$callbacks) {
736	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
745	}	1071	}
746		1072
747	0	1073	0
748	}	1074	}
749		1075
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1077
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1079
754	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
755		1081
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1082	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	1083	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1085
760	=back	1086	=back
761		1087
762	=cut	1088	=cut
763		1089
764	#############################################################################	1090	#############################################################################
765	# object support	1091	# object support
		1092
		1093	sub _object_equal($$);
		1094	sub _object_equal($$) {
		1095	my ($a, $b) = @_;
		1096
		1097	return 0 unless (ref $a) eq (ref $b);
		1098
		1099	if ("HASH" eq ref $a) {
		1100	my @ka = keys %$a;
		1101	my @kb = keys %$b;
		1102
		1103	return 0 if @ka != @kb;
		1104
		1105	for (0 .. $#ka) {
		1106	return 0 unless $ka[$_] eq $kb[$_];
		1107	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1108	}
		1109
		1110	} elsif ("ARRAY" eq ref $a) {
		1111
		1112	return 0 if @$a != @$b;
		1113
		1114	for (0 .. $#$a) {
		1115	return 0 unless _object_equal $a->[$_], $b->[$_];
		1116	}
		1117
		1118	} elsif ($a ne $b) {
		1119	return 0;
		1120	}
		1121
		1122	1
		1123	}
		1124
		1125	our $SLOW_MERGES;#d#
		1126	sub _can_merge {
		1127	my ($ob1, $ob2) = @_;
		1128
		1129	++$SLOW_MERGES;#d#
		1130
		1131	# we do the slow way here
		1132	return _object_equal $ob1, $ob2
		1133	}
766		1134
767	sub reattach {	1135	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1137	my ($obj) = @_;
		1138
		1139	# no longer needed after getting rid of delete_package?
		1140	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1141
771	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
772		1143
773	@$registry = ();	1144	@$registry = ();
774		1145
…		…
789	cf::attachable->attach (	1160	cf::attachable->attach (
790	prio => -1000000,	1161	prio => -1000000,
791	on_instantiate => sub {	1162	on_instantiate => sub {
792	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
793		1164
794	$data = from_json $data;	1165	$data = decode_json $data;
795		1166
796	for (@$data) {	1167	for (@$data) {
797	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
798		1169
799	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1186	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
817		1188
818	sync_job {	1189	sync_job {
819	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
822		1194
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1197	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1198	if ($cf::USE_FSYNC) {
		1199	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;	1200	aio_fsync $fh;
		1201	}
827	close $fh;	1202	aio_close $fh;
828		1203
829	if (@$objs) {	1204	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1205	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1208	aio_write $fh, 0, (length $data), $data, 0;
		1209	if ($cf::USE_FSYNC) {
		1210	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;	1211	aio_fsync $fh;
		1212	}
835	close $fh;	1213	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
837	}	1215	}
838	} else {	1216	} else {
839	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
840	}	1218	}
841		1219
842	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1224	} else {
844	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
845	}	1226	}
846	} else {	1227	} else {
847	aio_unlink $filename;	1228	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
849	}	1230	}
850	}	1231	};
851	}	1232	}
852		1233
853	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
855		1236
…		…
867	or return;	1248	or return;
868		1249
869	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
871	or return;	1252	or return;
		1253
872	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
873	}	1256	}
874		1257
		1258	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
877	return ($data, $av);	1262	($data, $av)
878	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
879		1270
880	#############################################################################	1271	#############################################################################
881	# command handling &c	1272	# command handling &c
882		1273
883	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1288	}
898		1289
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1291
901	Register a callbackf ro execution when the client sends an extcmd packet.	1292	Register a callback for execution when the client sends an (synchronous)
		1293	extcmd packet. Ext commands will be processed in the order they are
		1294	received by the server, like other user commands. The first argument is
		1295	the logged-in player. Ext commands can only be processed after a player
		1296	has logged in successfully.
902		1297
903	If the callback returns something, it is sent back as if reply was being	1298	If the callback returns something, it is sent back as if reply was being
904	called.	1299	called.
905		1300
		1301	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1302
		1303	Register a callback for execution when the client sends an (asynchronous)
		1304	exticmd packet. Exti commands are processed by the server as soon as they
		1305	are received, i.e. out of order w.r.t. other commands. The first argument
		1306	is a client socket. Exti commands can be received anytime, even before
		1307	log-in.
		1308
		1309	If the callback returns something, it is sent back as if reply was being
		1310	called.
		1311
906	=cut	1312	=cut
907		1313
908	sub register_extcmd {	1314	sub register_extcmd {
909	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
910		1316
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
915	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
916		1327
917	cf::player->attach (	1328	cf::player->attach (
918	on_command => sub {	1329	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
920		1331
921	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
922	or return;	1333	or return;
923		1334
…		…
928	cf::override;	1339	cf::override;
929	},	1340	},
930	on_extcmd => sub {	1341	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
932		1343
933	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1345
935	if (ref $msg) {	1346	if (ref $msg) {
		1347	my ($type, $reply, @payload) =
		1348	"ARRAY" eq ref $msg
		1349	? @$msg
		1350	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1351
		1352	my @reply;
		1353
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
941	} else {	1361	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1363	}
944		1364
945	cf::override;	1365	cf::override;
946	},	1366	},
947	);	1367	);
948		1368
949	sub register {	1369	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1370	sub cache_extensions {
956	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
957		1372
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1375	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	}	1376	}
1008	}	1377	};
1009		1378
1010	# remove extcmds	1379	$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	}	1380	}
1024		1381
1025	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1026	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1387	next unless -r $path;
1028	eval {	1388
1029	load_extension $ext;	1389	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1390	my $base = $1;
		1391	my $pkg = $1;
		1392	$pkg =~ s/[^[:word:]]/_/g;
		1393	$pkg = "ext::$pkg";
		1394
		1395	open my $fh, "<:utf8", $path
		1396	or die "$path: $!";
		1397
		1398	my $source = do { local $/; <$fh> };
		1399
		1400	my %ext = (
		1401	path => $path,
		1402	base => $base,
		1403	pkg => $pkg,
		1404	);
		1405
		1406	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1407	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1408
		1409	$ext{source} =
		1410	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1411	. "#line 1 \"$path\"\n{\n"
		1412	. $source
		1413	. "\n};\n1";
		1414
		1415	$todo{$base} = \%ext;
		1416	}
		1417
		1418	my $pass = 0;
		1419	my %done;
		1420	while (%todo) {
		1421	my $progress;
		1422
		1423	++$pass;
		1424
		1425	ext:
		1426	while (my ($k, $v) = each %todo) {
		1427	for (split /,\s*/, $v->{meta}{depends}) {
		1428	next ext
		1429	unless exists $done{$_};
		1430	}
		1431
		1432	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1433
		1434	my $active = eval $v->{source};
		1435
		1436	if (length $@) {
		1437	warn "$v->{path}: $@\n";
		1438
		1439	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1440	if exists $v->{meta}{mandatory};
		1441
		1442	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1443	delete $todo{$k};
		1444	} else {
		1445	$done{$k} = delete $todo{$k};
		1446	push @EXTS, $v->{pkg};
		1447	$progress = 1;
		1448
		1449	warn "$v->{base}: extension inactive.\n"
		1450	unless $active;
		1451	}
1030	1	1452	}
1031	} or warn "$ext not loaded: $@";	1453
		1454	unless ($progress) {
		1455	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1456
		1457	while (my ($k, $v) = each %todo) {
		1458	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460	}
		1461	}
		1462	}
1032	}	1463	};
1033	}	1464	}
1034		1465
1035	#############################################################################	1466	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1467
1038	*cf::mapsupport::on_clean = sub {	1468	=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		1469
1073	=head2 CORE EXTENSIONS	1470	=head2 CORE EXTENSIONS
1074		1471
1075	Functions and methods that extend core crossfire objects.	1472	Functions and methods that extend core deliantra objects.
1076		1473
1077	=cut	1474	=cut
1078		1475
1079	package cf::player;	1476	package cf::player;
1080		1477
		1478	use Coro::AIO;
		1479
1081	=head3 cf::player	1480	=head3 cf::player
1082		1481
1083	=over 4	1482	=over 4
1084		1483
		1484	=item cf::player::num_playing
		1485
		1486	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1487
		1488	=cut
		1489
		1490	sub num_playing {
		1491	scalar grep
		1492	$_->ob->map
		1493	&& !$_->hidden
		1494	&& !$_->ob->flag (cf::FLAG_WIZ),
		1495	cf::player::list
		1496	}
		1497
1085	=item cf::player::find $login	1498	=item cf::player::find $login
1086		1499
1087	Returns the given player object, loading it if necessary (might block).	1500	Returns the given player object, loading it if necessary (might block).
1088		1501
1089	=cut	1502	=cut
1090		1503
1091	sub playerdir($) {	1504	sub playerdir($) {
1092	cf::localdir	1505	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1507	}
1098		1508
1099	sub path($) {	1509	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1511
1102	(playerdir $login) . "/$login.pl"	1512	(playerdir $login) . "/playerdata"
1103	}	1513	}
1104		1514
1105	sub find_active($) {	1515	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1516	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1517	and $cf::PLAYER{$_[0]}->active
…		…
1110		1520
1111	sub exists($) {	1521	sub exists($) {
1112	my ($login) = @_;	1522	my ($login) = @_;
1113		1523
1114	$cf::PLAYER{$login}	1524	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1525	or !aio_stat path $login
1116	}	1526	}
1117		1527
1118	sub find($) {	1528	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1529	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1530	my $login = $_[0];
1121		1531
1122	my $guard = cf::lock_acquire "user_find:$login";	1532	my $guard = cf::lock_acquire "user_find:$login";
1123		1533
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1534	$cf::PLAYER{$_[0]} || do {
		1535	# rename old playerfiles to new ones
		1536	#TODO: remove when no longer required
		1537	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1538	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1539	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1540	aio_unlink +(playerdir $login) . "/$login.pl";
		1541
		1542	my $f = new_from_file cf::object::thawer path $login
		1543	or return;
		1544
		1545	my $pl = cf::player::load_pl $f
		1546	or return;
		1547
		1548	local $cf::PLAYER_LOADING{$login} = $pl;
		1549	$f->resolve_delayed_derefs;
		1550	$cf::PLAYER{$login} = $pl
		1551	}
1125	};	1552	}
1126	}	1553	}
		1554
		1555	cf::player->attach (
		1556	on_load => sub {
		1557	my ($pl, $path) = @_;
		1558
		1559	# restore slots saved in save, below
		1560	my $slots = delete $pl->{_slots};
		1561
		1562	$pl->ob->current_weapon ($slots->[0]);
		1563	$pl->combat_ob ($slots->[1]);
		1564	$pl->ranged_ob ($slots->[2]);
		1565	},
		1566	);
1127		1567
1128	sub save($) {	1568	sub save($) {
1129	my ($pl) = @_;	1569	my ($pl) = @_;
1130		1570
1131	return if $pl->{deny_save};	1571	return if $pl->{deny_save};
…		…
1133	my $path = path $pl;	1573	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1574	my $guard = cf::lock_acquire "user_save:$path";
1135		1575
1136	return if $pl->{deny_save};	1576	return if $pl->{deny_save};
1137		1577
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1578	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1579	$pl->{last_save} = $cf::RUNTIME;
1140		1580
		1581	cf::get_slot 0.01;
		1582
		1583	# save slots, to be restored later
		1584	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1585
1141	$pl->save_pl ($path);	1586	$pl->save_pl ($path);
1142	Coro::cede;	1587	cf::cede_to_tick;
1143	}	1588	}
1144		1589
1145	sub new($) {	1590	sub new($) {
1146	my ($login) = @_;	1591	my ($login) = @_;
1147		1592
…		…
1153	$cf::PLAYER{$login} = $self;	1598	$cf::PLAYER{$login} = $self;
1154		1599
1155	$self	1600	$self
1156	}	1601	}
1157		1602
		1603	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1604
		1605	=cut
		1606
		1607	sub send_msg {
		1608	my $ns = shift->ns
		1609	or return;
		1610	$ns->send_msg (@_);
		1611	}
		1612
		1613	=item $pl->quit_character
		1614
		1615	Nukes the player without looking back. If logged in, the connection will
		1616	be destroyed. May block for a long time.
		1617
		1618	=cut
		1619
1158	sub quit_character {	1620	sub quit_character {
1159	my ($pl) = @_;	1621	my ($pl) = @_;
1160		1622
		1623	my $name = $pl->ob->name;
		1624
1161	$pl->{deny_save} = 1;	1625	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1627
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1633	$pl->ns->destroy if $pl->ns;
1168		1634
1169	my $path = playerdir $pl;	1635	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1636	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	IO::AIO::aio_rename $path, $temp, sub {	1637	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1638	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1639	$pl->destroy;
1174		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
1175	IO::AIO::aio_rmtree $temp;	1646	IO::AIO::aio_rmtree $temp;
		1647	}
		1648
		1649	=item $pl->kick
		1650
		1651	Kicks a player out of the game. This destroys the connection.
		1652
		1653	=cut
		1654
		1655	sub kick {
		1656	my ($pl, $kicker) = @_;
		1657
		1658	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1659	$pl->killer ("kicked");
		1660	$pl->ns->destroy;
		1661	}
		1662
		1663	=item cf::player::list_logins
		1664
		1665	Returns am arrayref of all valid playernames in the system, can take a
		1666	while and may block, so not sync_job-capable, ever.
		1667
		1668	=cut
		1669
		1670	sub list_logins {
		1671	my $dirs = aio_readdir $PLAYERDIR
		1672	or return [];
		1673
		1674	my @logins;
		1675
		1676	for my $login (@$dirs) {
		1677	my $path = path $login;
		1678
		1679	# a .pst is a dead give-away for a valid player
		1680	# if no pst file found, open and chekc for blocked users
		1681	if (aio_stat "$path.pst") {
		1682	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1683	aio_read $fh, 0, 512, my $buf, 0 or next;
		1684	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1685	}
		1686
		1687	utf8::decode $login;
		1688	push @logins, $login;
1176	};	1689	}
1177	}
1178		1690
		1691	\@logins
		1692	}
		1693
		1694	=item $player->maps
		1695
		1696	Returns an arrayref of map paths that are private for this
		1697	player. May block.
		1698
		1699	=cut
		1700
		1701	sub maps($) {
		1702	my ($pl) = @_;
		1703
		1704	$pl = ref $pl ? $pl->ob->name : $pl;
		1705
		1706	my $files = aio_readdir playerdir $pl
		1707	or return;
		1708
		1709	my @paths;
		1710
		1711	for (@$files) {
		1712	utf8::decode $_;
		1713	next if /\.(?:pl|pst)$/;
		1714	next unless /^$PATH_SEP/o;
		1715
		1716	push @paths, cf::map::normalise "~$pl/$_";
		1717	}
		1718
		1719	\@paths
		1720	}
		1721
		1722	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1723
		1724	Expand deliantra pod fragments into protocol xml.
		1725
1179	=item $player->ext_reply ($msgid, $msgtype, %msg)	1726	=item $player->ext_reply ($msgid, @msg)
1180		1727
1181	Sends an ext reply to the player.	1728	Sends an ext reply to the player.
1182		1729
1183	=cut	1730	=cut
1184		1731
1185	sub ext_reply($$$%) {	1732	sub ext_reply($$@) {
1186	my ($self, $id, %msg) = @_;	1733	my ($self, $id, @msg) = @_;
1187		1734
1188	$msg{msgid} = $id;	1735	$self->ns->ext_reply ($id, @msg)
1189
1190	$self->send ("ext " . cf::to_json \%msg);
1191	}	1736	}
1192		1737
1193	package cf;	1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
		1751
		1752	=over 4
		1753
		1754	=cut
		1755
		1756	package cf::region;
		1757
		1758	=item cf::region::find_by_path $path
		1759
		1760	Tries to decuce the likely region for a map knowing only its path.
		1761
		1762	=cut
		1763
		1764	sub find_by_path($) {
		1765	my ($path) = @_;
		1766
		1767	my ($match, $specificity);
		1768
		1769	for my $region (list) {
		1770	if ($region->{match} && $path =~ $region->{match}) {
		1771	($match, $specificity) = ($region, $region->specificity)
		1772	if $region->specificity > $specificity;
		1773	}
		1774	}
		1775
		1776	$match
		1777	}
1194		1778
1195	=back	1779	=back
1196
1197		1780
1198	=head3 cf::map	1781	=head3 cf::map
1199		1782
1200	=over 4	1783	=over 4
1201		1784
…		…
1204	package cf::map;	1787	package cf::map;
1205		1788
1206	use Fcntl;	1789	use Fcntl;
1207	use Coro::AIO;	1790	use Coro::AIO;
1208		1791
		1792	use overload
		1793	'""' => \&as_string,
		1794	fallback => 1;
		1795
1209	our $MAX_RESET = 3600;	1796	our $MAX_RESET = 3600;
1210	our $DEFAULT_RESET = 3000;	1797	our $DEFAULT_RESET = 3000;
1211		1798
1212	sub generate_random_map {	1799	sub generate_random_map {
1213	my ($path, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1214		1803
1215	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1216	cf::map::_create_random_map	1805	$self->_create_random_map (
1217	$path,
1218	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1220	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1222	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1223	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1813	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1814	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1815	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228	(cf::region::find $rmp->{region})	1816	(cf::region::find $rmp->{region}), $rmp->{custom}
		1817	)
1229	}	1818	}
1230		1819
1231	# and all this just because we cannot iterate over	1820	=item cf::map->register ($regex, $prio)
1232	# all maps in C++...
1233	sub change_all_map_light {
1234	my ($change) = @_;
1235		1821
1236	$_->change_map_light ($change)	1822	Register a handler for the map path matching the given regex at the
1237	for grep $_->outdoor, values %cf::MAP;	1823	givne priority (higher is better, built-in handlers have priority 0, the
1238	}	1824	default).
1239		1825
1240	sub try_load_header($) {	1826	=cut
		1827
		1828	sub register {
		1829	my (undef, $regex, $prio) = @_;
		1830	my $pkg = caller;
		1831
		1832	no strict;
		1833	push @{"$pkg\::ISA"}, __PACKAGE__;
		1834
		1835	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1836	}
		1837
		1838	# also paths starting with '/'
		1839	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1840
		1841	sub thawer_merge {
		1842	my ($self, $merge) = @_;
		1843
		1844	# we have to keep some variables in memory intact
		1845	local $self->{path};
		1846	local $self->{load_path};
		1847
		1848	$self->SUPER::thawer_merge ($merge);
		1849	}
		1850
		1851	sub normalise {
1241	my ($path) = @_;	1852	my ($path, $base) = @_;
		1853
		1854	$path = "$path"; # make sure its a string
		1855
		1856	$path =~ s/\.map$//;
		1857
		1858	# map plan:
		1859	#
		1860	# /! non-realised random map exit (special hack!)
		1861	# {... are special paths that are not being touched
		1862	# ?xxx/... are special absolute paths
		1863	# ?random/... random maps
		1864	# /... normal maps
		1865	# ~user/... per-player map of a specific user
		1866
		1867	$path =~ s/$PATH_SEP/\//go;
		1868
		1869	# treat it as relative path if it starts with
		1870	# something that looks reasonable
		1871	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1872	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1873
		1874	$base =~ s{[^/]+/?$}{};
		1875	$path = "$base/$path";
		1876	}
		1877
		1878	for ($path) {
		1879	redo if s{//}{/};
		1880	redo if s{/\.?/}{/};
		1881	redo if s{/[^/]+/\.\./}{/};
		1882	}
		1883
		1884	$path
		1885	}
		1886
		1887	sub new_from_path {
		1888	my (undef, $path, $base) = @_;
		1889
		1890	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1891
		1892	$path = normalise $path, $base;
		1893
		1894	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1895	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1896	my $self = bless cf::map::new, $pkg;
		1897	$self->{path} = $path; $self->path ($path);
		1898	$self->init; # pass $1 etc.
		1899	return $self;
		1900	}
		1901	}
		1902
		1903	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1904	()
		1905	}
		1906
		1907	sub init {
		1908	my ($self) = @_;
		1909
		1910	$self
		1911	}
		1912
		1913	sub as_string {
		1914	my ($self) = @_;
		1915
		1916	"$self->{path}"
		1917	}
		1918
		1919	# the displayed name, this is a one way mapping
		1920	sub visible_name {
		1921	&as_string
		1922	}
		1923
		1924	# the original (read-only) location
		1925	sub load_path {
		1926	my ($self) = @_;
		1927
		1928	"$MAPDIR/$self->{path}.map"
		1929	}
		1930
		1931	# the temporary/swap location
		1932	sub save_path {
		1933	my ($self) = @_;
		1934
		1935	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1936	"$TMPDIR/$path.map"
		1937	}
		1938
		1939	# the unique path, undef == no special unique path
		1940	sub uniq_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$UNIQUEDIR/$path"
		1945	}
		1946
		1947	sub decay_objects {
		1948	my ($self) = @_;
		1949
		1950	return if $self->{deny_reset};
		1951
		1952	$self->do_decay_objects;
		1953	}
		1954
		1955	sub unlink_save {
		1956	my ($self) = @_;
		1957
		1958	utf8::encode (my $save = $self->save_path);
		1959	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1960	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1961	}
		1962
		1963	sub load_header_from($) {
		1964	my ($self, $path) = @_;
1242		1965
1243	utf8::encode $path;	1966	utf8::encode $path;
1244	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1245	or return;	1968	or return;
1246		1969
1247	my $map = cf::map::new	1970	$self->_load_header ($f)
1248	or return;	1971	or return;
1249		1972
1250	# for better error messages only, will be overwritten	1973	local $MAP_LOADING{$self->{path}} = $self;
1251	$map->path ($path);	1974	$f->resolve_delayed_derefs;
1252		1975
1253	$map->load_header ($path)	1976	$self->{load_path} = $path;
		1977
		1978	1
		1979	}
		1980
		1981	sub load_header_orig {
		1982	my ($self) = @_;
		1983
		1984	$self->load_header_from ($self->load_path)
		1985	}
		1986
		1987	sub load_header_temp {
		1988	my ($self) = @_;
		1989
		1990	$self->load_header_from ($self->save_path)
		1991	}
		1992
		1993	sub prepare_temp {
		1994	my ($self) = @_;
		1995
		1996	$self->last_access ((delete $self->{last_access})
		1997	|| $cf::RUNTIME); #d#
		1998	# safety
		1999	$self->{instantiate_time} = $cf::RUNTIME
		2000	if $self->{instantiate_time} > $cf::RUNTIME;
		2001	}
		2002
		2003	sub prepare_orig {
		2004	my ($self) = @_;
		2005
		2006	$self->{load_original} = 1;
		2007	$self->{instantiate_time} = $cf::RUNTIME;
		2008	$self->last_access ($cf::RUNTIME);
		2009	$self->instantiate;
		2010	}
		2011
		2012	sub load_header {
		2013	my ($self) = @_;
		2014
		2015	if ($self->load_header_temp) {
		2016	$self->prepare_temp;
		2017	} else {
		2018	$self->load_header_orig
1254	or return;	2019	or return;
		2020	$self->prepare_orig;
		2021	}
1255		2022
1256	$map->{load_path} = $path;	2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
1257		2025
1258	$map	2026	$self->default_region (cf::region::find_by_path $self->{path})
		2027	unless $self->default_region;
		2028
		2029	1
1259	}	2030	}
1260		2031
1261	sub find;	2032	sub find;
1262	sub find {	2033	sub find {
1263	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1264		2035
1265	#warn "find<$path,$origin>\n";#d#
1266
1267	$path = new cf::path $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1268	my $key = $path->as_string;
1269		2037
1270	cf::lock_wait "map_find:$key";	2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1271
1272	$cf::MAP{$key} || do {
1273	my $guard = cf::lock_acquire "map_find:$key";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1274		2040
1275	# do it the slow way	2041	$cf::MAP{$path} || do {
1276	my $map = try_load_header $path->save_path;	2042	my $map = new_from_path cf::map $path
1277
1278	Coro::cede;
1279
1280	if ($map) {
1281	$map->last_access ((delete $map->{last_access})
1282	|| $cf::RUNTIME); #d#
1283	# safety
1284	$map->{instantiate_time} = $cf::RUNTIME
1285	if $map->{instantiate_time} > $cf::RUNTIME;
1286	} else {
1287	if (my $rmp = $path->random_map_params) {
1288	$map = generate_random_map $key, $rmp;
1289	} else {
1290	$map = try_load_header $path->load_path;
1291	}
1292
1293	$map or return;	2043	or return;
1294		2044
1295	$map->{load_original} = 1;
1296	$map->{instantiate_time} = $cf::RUNTIME;
1297	$map->last_access ($cf::RUNTIME);
1298	$map->instantiate;
1299
1300	# per-player maps become, after loading, normal maps
1301	$map->per_player (0) if $path->{user_rel};
1302	}
1303
1304	$map->path ($key);
1305	$map->{path} = $path;
1306	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1307		2046
1308	Coro::cede;	2047	$map->load_header
		2048	or return;
1309		2049
1310	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1311	$map->reset;	2055	$map->reset;
1312	undef $guard;
1313	$map = find $path	2056	return find $path;
1314	or return;
1315	}	2057	}
1316		2058
1317	$cf::MAP{$key} = $map	2059	$cf::MAP{$path} = $map
1318	}	2060	}
1319	}	2061	}
		2062
		2063	sub pre_load { }
		2064	#sub post_load { } # XS
1320		2065
1321	sub load {	2066	sub load {
1322	my ($self) = @_;	2067	my ($self) = @_;
1323		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1324	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1325	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2074	my $guard = cf::lock_acquire "map_data:$path";
1326		2075
		2076	return unless $self->valid;
1327	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1328		2078
1329	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1330		2080
1331	$self->alloc;	2081	$self->alloc;
1332	$self->load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1333	or return;	2089	or return;
1334		2090
1335	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1336	if delete $self->{load_original};	2092	if delete $self->{load_original};
1337		2093
1338	if (my $uniq = $path->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1339	utf8::encode $uniq;	2095	utf8::encode $uniq;
1340	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1341	$self->clear_unique_items;	2098	$self->clear_unique_items;
1342	$self->load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1343	}	2102	}
1344	}	2103	}
1345		2104
1346	Coro::cede;	2105	$f->resolve_delayed_derefs;
1347		2106
		2107	cf::cede_to_tick;
1348	# now do the right thing for maps	2108	# now do the right thing for maps
1349	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1350
1351	if ($self->{path}->is_style_map) {
1352	$self->{deny_save} = 1;
1353	$self->{deny_reset} = 1;
1354	} else {
1355	$self->fix_auto_apply;
1356	$self->decay_objects;
1357	$self->update_buttons;
1358	$self->set_darkness_map;
1359	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1360	unless $self->difficulty;	2111	unless $self->difficulty;
		2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
1361	$self->activate;	2119	$self->activate;
1362	}	2120	}
1363		2121
1364	Coro::cede;	2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
1365		2124
1366	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
		2126	}
		2127
		2128	$self->post_load;
		2129	}
		2130
		2131	# customize the map for a given player, i.e.
		2132	# return the _real_ map. used by e.g. per-player
		2133	# maps to change the path to ~playername/mappath
		2134	sub customise_for {
		2135	my ($self, $ob) = @_;
		2136
		2137	return find "~" . $ob->name . "/" . $self->{path}
		2138	if $self->per_player;
		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
		2143	$self
		2144	}
		2145
		2146	# find and load all maps in the 3x3 area around a map
		2147	sub load_neighbours {
		2148	my ($map) = @_;
		2149
		2150	my @neigh; # diagonal neighbours
		2151
		2152	for (0 .. 3) {
		2153	my $neigh = $map->tile_path ($_)
		2154	or next;
		2155	$neigh = find $neigh, $map
		2156	or next;
		2157	$neigh->load;
		2158
		2159	push @neigh,
		2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2162	}
		2163
		2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
		2166	my $neigh = find $path, $origin
		2167	or next;
		2168	$neigh->load;
		2169	}
1367	}	2170	}
1368		2171
1369	sub find_sync {	2172	sub find_sync {
1370	my ($path, $origin) = @_;	2173	my ($path, $origin) = @_;
1371		2174
1372	cf::sync_job { cf::map::find $path, $origin }	2175	cf::sync_job { find $path, $origin }
1373	}	2176	}
1374		2177
1375	sub do_load_sync {	2178	sub do_load_sync {
1376	my ($map) = @_;	2179	my ($map) = @_;
1377		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1378	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
		2185	}
		2186
		2187	our %MAP_PREFETCH;
		2188	our $MAP_PREFETCHER = undef;
		2189
		2190	sub find_async {
		2191	my ($path, $origin, $load) = @_;
		2192
		2193	$path = normalise $path, $origin && $origin->{path};
		2194
		2195	if (my $map = $cf::MAP{$path}) {
		2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2197	}
		2198
		2199	$MAP_PREFETCH{$path} |= $load;
		2200
		2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
		2204	while (%MAP_PREFETCH) {
		2205	while (my ($k, $v) = each %MAP_PREFETCH) {
		2206	if (my $map = find $k) {
		2207	$map->load if $v;
		2208	}
		2209
		2210	delete $MAP_PREFETCH{$k};
		2211	}
		2212	}
		2213	undef $MAP_PREFETCHER;
		2214	};
		2215	$MAP_PREFETCHER->prio (6);
		2216
		2217	()
		2218	}
		2219
		2220	# common code, used by both ->save and ->swapout
		2221	sub _save {
		2222	my ($self) = @_;
		2223
		2224	$self->{last_save} = $cf::RUNTIME;
		2225
		2226	return unless $self->dirty;
		2227
		2228	my $save = $self->save_path; utf8::encode $save;
		2229	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2230
		2231	$self->{load_path} = $save;
		2232
		2233	return if $self->{deny_save};
		2234
		2235	local $self->{last_access} = $self->last_access;#d#
		2236
		2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
		2239	$_->contr->save for $self->players;
		2240	};
		2241
		2242	cf::get_slot 0.02;
		2243
		2244	if ($uniq) {
		2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2247	} else {
		2248	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2249	}
1379	}	2250	}
1380		2251
1381	sub save {	2252	sub save {
1382	my ($self) = @_;	2253	my ($self) = @_;
1383		2254
1384	my $lock = cf::lock_acquire "map_data:" . $self->path;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1385		2256
1386	$self->{last_save} = $cf::RUNTIME;	2257	$self->_save;
1387
1388	return unless $self->dirty;
1389
1390	my $save = $self->{path}->save_path; utf8::encode $save;
1391	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1392
1393	$self->{load_path} = $save;
1394
1395	return if $self->{deny_save};
1396
1397	local $self->{last_access} = $self->last_access;#d#
1398
1399	cf::async {
1400	$_->contr->save for $self->players;
1401	};
1402
1403	if ($uniq) {
1404	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405	$self->save_objects ($uniq, cf::IO_UNIQUES);
1406	} else {
1407	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408	}
1409	}	2258	}
1410		2259
1411	sub swap_out {	2260	sub swap_out {
1412	my ($self) = @_;	2261	my ($self) = @_;
1413		2262
1414	# save first because save cedes
1415	$self->save;
1416
1417	my $lock = cf::lock_acquire "map_data:" . $self->path;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1418		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1419	return if $self->players;	2267	return if $self->players;
1420	return if $self->in_memory != cf::MAP_IN_MEMORY;
1421	return if $self->{deny_save};
1422		2268
		2269	# first deactivate the map and "unlink" it from the core
		2270	$self->deactivate;
		2271	$_->clear_links_to ($self) for values %cf::MAP;
		2272	$self->in_memory (cf::MAP_SWAPPED);
		2273
		2274	# then atomically save
		2275	$self->_save;
		2276
		2277	# then free the map
1423	$self->clear;	2278	$self->clear;
1424	$self->in_memory (cf::MAP_SWAPPED);
1425	}	2279	}
1426		2280
1427	sub reset_at {	2281	sub reset_at {
1428	my ($self) = @_;	2282	my ($self) = @_;
1429		2283
1430	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1431	return 1e99 if $self->{path}{user_rel};
1432	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1433		2286
1434	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436		2289
…		…
1441	my ($self) = @_;	2294	my ($self) = @_;
1442		2295
1443	$self->reset_at <= $cf::RUNTIME	2296	$self->reset_at <= $cf::RUNTIME
1444	}	2297	}
1445		2298
1446	sub unlink_save {
1447	my ($self) = @_;
1448
1449	utf8::encode (my $save = $self->{path}->save_path);
1450	aioreq_pri 3; IO::AIO::aio_unlink $save;
1451	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452	}
1453
1454	sub rename {
1455	my ($self, $new_path) = @_;
1456
1457	$self->unlink_save;
1458
1459	delete $cf::MAP{$self->path};
1460	$self->{path} = new cf::path $new_path;
1461	$self->path ($self->{path}->as_string);
1462	$cf::MAP{$self->path} = $self;
1463
1464	$self->save;
1465	}
1466
1467	sub reset {	2299	sub reset {
1468	my ($self) = @_;	2300	my ($self) = @_;
1469		2301
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2303
1472	return if $self->players;	2304	return if $self->players;
1473	return if $self->{path}{user_rel};#d#
1474		2305
1475	warn "resetting map ", $self->path;#d#	2306	warn "resetting map ", $self->path, "\n";
		2307
		2308	$self->in_memory (cf::MAP_SWAPPED);
		2309
		2310	# need to save uniques path
		2311	unless ($self->{deny_save}) {
		2312	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2313
		2314	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2315	if $uniq;
		2316	}
1476		2317
1477	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1478		2319
		2320	$self->deactivate;
1479	$_->clear_links_to ($self) for values %cf::MAP;	2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->clear;
1480		2323
1481	$self->unlink_save;	2324	$self->unlink_save;
1482	$self->destroy;	2325	$self->destroy;
1483	}	2326	}
1484		2327
1485	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1486		2329
1487	sub nuke {	2330	sub nuke {
1488	my ($self) = @_;	2331	my ($self) = @_;
1489		2332
		2333	{
		2334	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2335
		2336	delete $cf::MAP{$self->path};
		2337
		2338	$self->unlink_save;
		2339
		2340	bless $self, "cf::map";
		2341	delete $self->{deny_reset};
1490	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1491	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1492	$self->rename ("{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2345
		2346	$cf::MAP{$self->path} = $self;
		2347	}
		2348
1493	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
1494	}	2350	}
1495		2351
1496	sub customise_for {	2352	=item $maps = cf::map::tmp_maps
1497	my ($map, $ob) = @_;
1498		2353
1499	if ($map->per_player) {	2354	Returns an arrayref with all map paths of currently instantiated and saved
1500	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
1501	}	2360	[
1502		2361	map {
1503	$map	2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
1504	}	2368	}
1505		2369
1506	sub emergency_save {	2370	=item $maps = cf::map::random_maps
1507	my $freeze_guard = cf::freeze_mainloop;
1508		2371
1509	warn "enter emergency perl save\n";	2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
1510		2374
1511	cf::sync_job {	2375	=cut
1512	warn "begin emergency player save\n";
1513	$_->save for values %cf::PLAYER;
1514	warn "end emergency player save\n";
1515		2376
1516	warn "begin emergency map save\n";	2377	sub random_maps() {
1517	$_->save for values %cf::MAP;	2378	[
1518	warn "end emergency map save\n";	2379	map {
		2380	utf8::decode $_;
		2381	/\.map$/
		2382	? normalise "?random/$_"
		2383	: ()
		2384	} @{ aio_readdir $RANDOMDIR or [] }
		2385	]
		2386	}
		2387
		2388	=item cf::map::unique_maps
		2389
		2390	Returns an arrayref of paths of all shared maps that have
		2391	instantiated unique items. May block.
		2392
		2393	=cut
		2394
		2395	sub unique_maps() {
		2396	[
		2397	map {
		2398	utf8::decode $_;
		2399	s/\.map$//; # TODO future compatibility hack
		2400	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2401	? ()
		2402	: normalise $_
		2403	} @{ aio_readdir $UNIQUEDIR or [] }
		2404	]
		2405	}
		2406
		2407	=item cf::map::static_maps
		2408
		2409	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2410	file in the shared directory excluding F</styles> and F</editor>). May
		2411	block.
		2412
		2413	=cut
		2414
		2415	sub static_maps() {
		2416	my @dirs = "";
		2417	my @maps;
		2418
		2419	while (@dirs) {
		2420	my $dir = shift @dirs;
		2421
		2422	next if $dir eq "/styles" || $dir eq "/editor";
		2423
		2424	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2425	or return;
		2426
		2427	for (@$files) {
		2428	s/\.map$// or next;
		2429	utf8::decode $_;
		2430	push @maps, "$dir/$_";
		2431	}
		2432
		2433	push @dirs, map "$dir/$_", @$dirs;
1519	};	2434	}
1520		2435
1521	warn "leave emergency perl save\n";	2436	\@maps
		2437	}
		2438
		2439	=back
		2440
		2441	=head3 cf::object
		2442
		2443	=cut
		2444
		2445	package cf::object;
		2446
		2447	=over 4
		2448
		2449	=item $ob->inv_recursive
		2450
		2451	Returns the inventory of the object I<and> their inventories, recursively,
		2452	but I<not> the object itself.
		2453
		2454	=cut
		2455
		2456	sub inv_recursive_;
		2457	sub inv_recursive_ {
		2458	map { $_, inv_recursive_ $_->inv } @_
		2459	}
		2460
		2461	sub inv_recursive {
		2462	inv_recursive_ inv $_[0]
		2463	}
		2464
		2465	=item $ref = $ob->ref
		2466
		2467	Creates and returns a persistent reference to an object that can be stored as a string.
		2468
		2469	=item $ob = cf::object::deref ($refstring)
		2470
		2471	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2472	even if the object actually exists. May block.
		2473
		2474	=cut
		2475
		2476	sub deref {
		2477	my ($ref) = @_;
		2478
		2479	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2480	my ($uuid, $name) = ($1, $2);
		2481	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2482	or return;
		2483	$pl->ob->uuid eq $uuid
		2484	or return;
		2485
		2486	$pl->ob
		2487	} else {
		2488	warn "$ref: cannot resolve object reference\n";
		2489	undef
		2490	}
1522	}	2491	}
1523		2492
1524	package cf;	2493	package cf;
1525		2494
1526	=back	2495	=back
1527
1528		2496
1529	=head3 cf::object::player	2497	=head3 cf::object::player
1530		2498
1531	=over 4	2499	=over 4
1532		2500
…		…
1535	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2503	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1536	can be C<undef>. Does the right thing when the player is currently in a	2504	can be C<undef>. Does the right thing when the player is currently in a
1537	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1538		2506
1539	=cut	2507	=cut
		2508
		2509	our $SAY_CHANNEL = {
		2510	id => "say",
		2511	title => "Map",
		2512	reply => "say ",
		2513	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2514	};
		2515
		2516	our $CHAT_CHANNEL = {
		2517	id => "chat",
		2518	title => "Chat",
		2519	reply => "chat ",
		2520	tooltip => "Player chat and shouts, global to the server.",
		2521	};
1540		2522
1541	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1542	# with dialog boxes.	2524	# with dialog boxes.
1543	#TODO: the first argument must go, split into a $npc->reply_to ( method	2525	#TODO: the first argument must go, split into a $npc->reply_to ( method
1544	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1546		2528
1547	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1548		2530
1549	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1550	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1551	} else {	2534	} else {
		2535	my $pl = $self->contr;
		2536
		2537	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2538	my $dialog = $pl->{npc_dialog};
		2539	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2540
		2541	} else {
1552	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1553	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1554	}	2545	}
		2546	}
		2547
		2548	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2549
		2550	=cut
		2551
		2552	sub cf::object::send_msg {
		2553	my $pl = shift->contr
		2554	or return;
		2555	$pl->send_msg (@_);
1555	}	2556	}
1556		2557
1557	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1558		2559
1559	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1572		2573
1573	=item $player_object->enter_link	2574	=item $player_object->enter_link
1574		2575
1575	Freezes the player and moves him/her to a special map (C<{link}>).	2576	Freezes the player and moves him/her to a special map (C<{link}>).
1576		2577
1577	The player should be reaosnably safe there for short amounts of time. You	2578	The player should be reasonably safe there for short amounts of time (e.g.
1578	I<MUST> call C<leave_link> as soon as possible, though.	2579	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2580	though, as the palyer cannot control the character while it is on the link
		2581	map.
		2582
		2583	Will never block.
1579		2584
1580	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1581		2586
1582	Moves the player out of the specila link map onto the given map. If the	2587	Moves the player out of the special C<{link}> map onto the specified
1583	map is not valid (or omitted), the player will be moved back to the	2588	map. If the map is not valid (or omitted), the player will be moved back
1584	location he/she was before the call to C<enter_link>, or, if that fails,	2589	to the location he/she was before the call to C<enter_link>, or, if that
1585	to the emergency map position.	2590	fails, to the emergency map position.
1586		2591
1587	Might block.	2592	Might block.
1588		2593
1589	=cut	2594	=cut
		2595
		2596	sub link_map {
		2597	unless ($LINK_MAP) {
		2598	$LINK_MAP = cf::map::find "{link}"
		2599	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2600	$LINK_MAP->load;
		2601	}
		2602
		2603	$LINK_MAP
		2604	}
1590		2605
1591	sub cf::object::player::enter_link {	2606	sub cf::object::player::enter_link {
1592	my ($self) = @_;	2607	my ($self) = @_;
1593		2608
1594	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1595		2610
1596	return if $self->map == $LINK_MAP;	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1597		2612
1598	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1600		2615
1601	$self->enter_map ($LINK_MAP, 20, 20);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1602	}	2617	}
1603		2618
1604	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1605	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1606		2623
1607	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1608		2625
1609	unless ($map) {	2626	unless ($map) {
1610	# restore original map position	2627	# restore original map position
…		…
1621	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1622	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1623		2640
1624	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1625	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1626	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1627		2644
1628	$map->load;	2645	$map->load;
		2646	$map->load_neighbours;
1629		2647
1630	return unless $self->contr->active;	2648	return unless $self->contr->active;
		2649
		2650	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2651	$self->enter_map ($map, $x, $y);
		2652
		2653	# only activate afterwards, to support waiting in hooks
1631	$self->activate_recursive;	2654	$self->activate_recursive;
1632	$self->enter_map ($map, $x, $y);
1633	}	2655	}
1634		2656
1635	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1636	on_logout => sub {
1637	my ($pl) = @_;
1638		2658
1639	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1640	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1641	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1642	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1643	};	2663	be called at the end of this process.
1644	}
1645	},
1646	on_login => sub {
1647	my ($pl) = @_;
1648		2664
1649	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1650	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1651	if ($pl->ob->{_link_pos}) {
1652	$pl->ob->enter_link;
1653	(async {
1654	# we need this sleep as the login has a concurrent enter_exit running
1655	# and this sleep increases chances of the player not ending up in scorn
1656	$pl->ob->reply (undef,
1657	"There was an internal problem at your last logout, "
1658	. "the server will try to bring you to your intended destination in a second.",
1659	cf::NDI_RED);
1660	Coro::Timer::sleep 1;
1661	$pl->ob->leave_link;
1662	})->prio (2);
1663	}
1664	},
1665	);
1666		2667
1667	=item $player_object->goto ($path, $x, $y)
1668
1669	=cut	2668	=cut
		2669
		2670	our $GOTOGEN;
1670		2671
1671	sub cf::object::player::goto {	2672	sub cf::object::player::goto {
1672	my ($self, $path, $x, $y) = @_;	2673	my ($self, $path, $x, $y, $check, $done) = @_;
		2674
		2675	# do generation counting so two concurrent goto's will be executed in-order
		2676	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1673		2677
1674	$self->enter_link;	2678	$self->enter_link;
1675		2679
1676	(async {	2680	(async {
1677	$path = new cf::path $path;	2681	$Coro::current->{desc} = "player::goto $path $x $y";
1678		2682
1679	my $map = cf::map::find $path->as_string;	2683	# *tag paths override both path and x|y
		2684	if ($path =~ /^\*(.*)$/) {
		2685	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2686	my $ob = $obs[rand @obs];
		2687
		2688	# see if we actually can go there
		2689	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2690	$ob = $obs[rand @obs];
		2691	} else {
		2692	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2693	}
		2694	# else put us there anyways for now #d#
		2695
		2696	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2697	} else {
		2698	($path, $x, $y) = (undef, undef, undef);
		2699	}
		2700	}
		2701
		2702	my $map = eval {
		2703	my $map = defined $path ? cf::map::find $path : undef;
		2704
		2705	if ($map) {
1680	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
1681		2707	$map = $check->($map) if $check && $map;
1682	# warn "entering ", $map->path, " at ($x, $y)\n"	2708	} else {
1683	# if $map;
1684
1685	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2709	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2710	}
1686		2711
		2712	$map
		2713	};
		2714
		2715	if ($@) {
		2716	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2717	LOG llevError | logBacktrace, Carp::longmess $@;
		2718	}
		2719
		2720	if ($gen == $self->{_goto_generation}) {
		2721	delete $self->{_goto_generation};
1687	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1688	})->prio (1);	2726	})->prio (1);
1689	}	2727	}
1690		2728
1691	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1692		2730
…		…
1694		2732
1695	sub parse_random_map_params {	2733	sub parse_random_map_params {
1696	my ($spec) = @_;	2734	my ($spec) = @_;
1697		2735
1698	my $rmp = { # defaults	2736	my $rmp = { # defaults
1699	xsize => 10,	2737	xsize => (cf::rndm 15, 40),
1700	ysize => 10,	2738	ysize => (cf::rndm 15, 40),
		2739	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2740	#layout => string,
1701	};	2741	};
1702		2742
1703	for (split /\n/, $spec) {	2743	for (split /\n/, $spec) {
1704	my ($k, $v) = split /\s+/, $_, 2;	2744	my ($k, $v) = split /\s+/, $_, 2;
1705		2745
…		…
1717	# that depends on the exit object	2757	# that depends on the exit object
1718		2758
1719	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
1720		2760
1721	if ($exit->map) {	2761	if ($exit->map) {
1722	$rmp->{region} = $exit->map->region_name;	2762	$rmp->{region} = $exit->region->name;
1723	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1724	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1725	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1726	}	2768	}
1727		2769
1728	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1729		2771
1730	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1731	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
		2774	my $meta = "$RANDOMDIR/$md5.meta";
1732		2775
1733	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2776	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734	aio_write $fh, 0, (length $data), $data, 0;	2777	aio_write $fh, 0, (length $data), $data, 0;
		2778	undef $fh;
		2779	aio_rename "$meta~", $meta;
1735		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1736	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1737	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1738	}	2787	}
1739	}	2788	}
1740		2789
1741	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1742	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
…		…
1744	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1745		2794
1746	$self->enter_link;	2795	$self->enter_link;
1747		2796
1748	(async {	2797	(async {
1749	$self->deactivate_recursive; # just to be sure	2798	$Coro::current->{desc} = "enter_exit";
		2799
1750	unless (eval {	2800	unless (eval {
		2801	$self->deactivate_recursive; # just to be sure
		2802
		2803	# random map handling
		2804	{
		2805	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2806
1751	prepare_random_map $exit	2807	prepare_random_map $exit
1752	if $exit->slaying eq "/!";	2808	if $exit->slaying eq "/!";
		2809	}
1753		2810
1754	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2811	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1755	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
1756		2814
		2815	$self->goto ($map, $x, $y);
		2816
		2817	# if exit is damned, update players death & WoR home-position
		2818	$self->contr->savebed ($map, $x, $y)
		2819	if $exit->flag (cf::FLAG_DAMNED);
		2820
1757	1;	2821	1
1758	}) {	2822	}) {
1759	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1760	. "I'll try to bring you back to the map you were before. "	2824	. "I'll try to bring you back to the map you were before. "
1761	. "Please report this to the dungeon master",	2825	. "Please report this to the dungeon master!",
1762	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1763		2827
1764	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1765	$self->leave_link;	2829	$self->leave_link;
1766	}	2830	}
1767	})->prio (1);	2831	})->prio (1);
…		…
1780		2844
1781	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1782	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1783		2847
1784	utf8::encode $text;	2848	utf8::encode $text;
1785	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1786	}	2850	}
1787		2851
		2852	=item $client->send_big_packet ($pkt)
		2853
		2854	Like C<send_packet>, but tries to compress large packets, and fragments
		2855	them as required.
		2856
		2857	=cut
		2858
		2859	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2860
		2861	sub cf::client::send_big_packet {
		2862	my ($self, $pkt) = @_;
		2863
		2864	# try lzf for large packets
		2865	$pkt = "lzf " . Compress::LZF::compress $pkt
		2866	if 1024 <= length $pkt and $self->{can_lzf};
		2867
		2868	# split very large packets
		2869	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2870	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2871	$pkt = "frag";
		2872	}
		2873
		2874	$self->send_packet ($pkt);
		2875	}
		2876
		2877	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2878
		2879	Send a drawinfo or msg packet to the client, formatting the msg for the
		2880	client if neccessary. C<$type> should be a string identifying the type of
		2881	the message, with C<log> being the default. If C<$color> is negative, suppress
		2882	the message unless the client supports the msg packet.
		2883
		2884	=cut
		2885
		2886	# non-persistent channels (usually the info channel)
		2887	our %CHANNEL = (
		2888	"c/motd" => {
		2889	id => "infobox",
		2890	title => "MOTD",
		2891	reply => undef,
		2892	tooltip => "The message of the day",
		2893	},
		2894	"c/identify" => {
		2895	id => "infobox",
		2896	title => "Identify",
		2897	reply => undef,
		2898	tooltip => "Items recently identified",
		2899	},
		2900	"c/examine" => {
		2901	id => "infobox",
		2902	title => "Examine",
		2903	reply => undef,
		2904	tooltip => "Signs and other items you examined",
		2905	},
		2906	"c/shopinfo" => {
		2907	id => "infobox",
		2908	title => "Shop Info",
		2909	reply => undef,
		2910	tooltip => "What your bargaining skill tells you about the shop",
		2911	},
		2912	"c/book" => {
		2913	id => "infobox",
		2914	title => "Book",
		2915	reply => undef,
		2916	tooltip => "The contents of a note or book",
		2917	},
		2918	"c/lookat" => {
		2919	id => "infobox",
		2920	title => "Look",
		2921	reply => undef,
		2922	tooltip => "What you saw there",
		2923	},
		2924	"c/who" => {
		2925	id => "infobox",
		2926	title => "Players",
		2927	reply => undef,
		2928	tooltip => "Shows players who are currently online",
		2929	},
		2930	"c/body" => {
		2931	id => "infobox",
		2932	title => "Body Parts",
		2933	reply => undef,
		2934	tooltip => "Shows which body parts you posess and are available",
		2935	},
		2936	"c/statistics" => {
		2937	id => "infobox",
		2938	title => "Statistics",
		2939	reply => undef,
		2940	tooltip => "Shows your primary statistics",
		2941	},
		2942	"c/skills" => {
		2943	id => "infobox",
		2944	title => "Skills",
		2945	reply => undef,
		2946	tooltip => "Shows your experience per skill and item power",
		2947	},
		2948	"c/shopitems" => {
		2949	id => "infobox",
		2950	title => "Shop Items",
		2951	reply => undef,
		2952	tooltip => "Shows the items currently for sale in this shop",
		2953	},
		2954	"c/resistances" => {
		2955	id => "infobox",
		2956	title => "Resistances",
		2957	reply => undef,
		2958	tooltip => "Shows your resistances",
		2959	},
		2960	"c/pets" => {
		2961	id => "infobox",
		2962	title => "Pets",
		2963	reply => undef,
		2964	tooltip => "Shows information abotu your pets/a specific pet",
		2965	},
		2966	"c/perceiveself" => {
		2967	id => "infobox",
		2968	title => "Perceive Self",
		2969	reply => undef,
		2970	tooltip => "You gained detailed knowledge about yourself",
		2971	},
		2972	"c/uptime" => {
		2973	id => "infobox",
		2974	title => "Uptime",
		2975	reply => undef,
		2976	tooltip => "How long the server has been running since last restart",
		2977	},
		2978	"c/mapinfo" => {
		2979	id => "infobox",
		2980	title => "Map Info",
		2981	reply => undef,
		2982	tooltip => "Information related to the maps",
		2983	},
		2984	"c/party" => {
		2985	id => "party",
		2986	title => "Party",
		2987	reply => "gsay ",
		2988	tooltip => "Messages and chat related to your party",
		2989	},
		2990	"c/death" => {
		2991	id => "death",
		2992	title => "Death",
		2993	reply => undef,
		2994	tooltip => "Reason for and more info about your most recent death",
		2995	},
		2996	"c/say" => $SAY_CHANNEL,
		2997	"c/chat" => $CHAT_CHANNEL,
		2998	);
		2999
		3000	sub cf::client::send_msg {
		3001	my ($self, $channel, $msg, $color, @extra) = @_;
		3002
		3003	$msg = $self->pl->expand_cfpod ($msg)
		3004	unless $color & cf::NDI_VERBATIM;
		3005
		3006	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3007
		3008	# check predefined channels, for the benefit of C
		3009	if ($CHANNEL{$channel}) {
		3010	$channel = $CHANNEL{$channel};
		3011
		3012	$self->ext_msg (channel_info => $channel);
		3013	$channel = $channel->{id};
		3014
		3015	} elsif (ref $channel) {
		3016	# send meta info to client, if not yet sent
		3017	unless (exists $self->{channel}{$channel->{id}}) {
		3018	$self->{channel}{$channel->{id}} = $channel;
		3019	$self->ext_msg (channel_info => $channel);
		3020	}
		3021
		3022	$channel = $channel->{id};
		3023	}
		3024
		3025	return unless @extra || length $msg;
		3026
		3027	# default colour, mask it out
		3028	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3029	if $color & cf::NDI_DEF;
		3030
		3031	my $pkt = "msg "
		3032	. $self->{json_coder}->encode (
		3033	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3034	);
		3035
		3036	$self->send_big_packet ($pkt);
		3037	}
		3038
		3039	=item $client->ext_msg ($type, @msg)
		3040
		3041	Sends an ext event to the client.
		3042
		3043	=cut
		3044
		3045	sub cf::client::ext_msg($$@) {
		3046	my ($self, $type, @msg) = @_;
		3047
		3048	if ($self->extcmd == 2) {
		3049	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3050	} elsif ($self->extcmd == 1) { # TODO: remove
		3051	push @msg, msgtype => "event_$type";
		3052	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3053	}
		3054	}
		3055
		3056	=item $client->ext_reply ($msgid, @msg)
		3057
		3058	Sends an ext reply to the client.
		3059
		3060	=cut
		3061
		3062	sub cf::client::ext_reply($$@) {
		3063	my ($self, $id, @msg) = @_;
		3064
		3065	if ($self->extcmd == 2) {
		3066	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3067	} elsif ($self->extcmd == 1) {
		3068	#TODO: version 1, remove
		3069	unshift @msg, msgtype => "reply", msgid => $id;
		3070	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3071	}
		3072	}
1788		3073
1789	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1790		3075
1791	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1792	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3077	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1793	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3078	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1794		3079
1795	Queries can fail, so check the return code. Or don't, as queries will become	3080	Queries can fail, so check the return code. Or don't, as queries will
1796	reliable at some point in the future.	3081	become reliable at some point in the future.
1797		3082
1798	=cut	3083	=cut
1799		3084
1800	sub cf::client::query {	3085	sub cf::client::query {
1801	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1809	utf8::encode $text;	3094	utf8::encode $text;
1810	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1811		3096
1812	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1813	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1814	}	3101	}
1815		3102
1816	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1817	on_reply => sub {	3109	on_reply => sub {
1818	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1819		3111
1820	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
1821	# get handled first	3113	# get handled first
1822	my $queue = delete $ns->{query_queue}	3114	my $queue = delete $ns->{query_queue}
1823	or return; # be conservative, not sure how that can happen, but we saw a crash here	3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
1824		3116
1825	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1826		3119
1827	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
1828		3121
1829	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
1830	if (@$queue) {	3123	if (@$queue) {
…		…
1832	} else {	3125	} else {
1833	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1834	}	3127	}
1835	}	3128	}
1836	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($ns, $buf) = @_;
		3132
		3133	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3134
		3135	if (ref $msg) {
		3136	my ($type, $reply, @payload) =
		3137	"ARRAY" eq ref $msg
		3138	? @$msg
		3139	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3140
		3141	my @reply;
		3142
		3143	if (my $cb = $EXTICMD{$type}) {
		3144	@reply = $cb->($ns, @payload);
		3145	}
		3146
		3147	$ns->ext_reply ($reply, @reply)
		3148	if $reply;
		3149
		3150	} else {
		3151	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3152	}
		3153
		3154	cf::override;
		3155	},
1837	);	3156	);
1838		3157
1839	=item $client->async (\&cb)	3158	=item $client->async (\&cb)
1840		3159
1841	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
…		…
1857		3176
1858	$coro	3177	$coro
1859	}	3178	}
1860		3179
1861	cf::client->attach (	3180	cf::client->attach (
1862	on_destroy => sub {	3181	on_client_destroy => sub {
1863	my ($ns) = @_;	3182	my ($ns) = @_;
1864		3183
1865	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1866	},	3185	},
1867	);	3186	);
…		…
1882	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
1883	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
1884		3203
1885	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
1886		3205
1887	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
1888		3211
1889	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
1890		3213
1891	=pod	3214	=pod
1892		3215
1893	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
1894		3217
1895	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
1896	cf::object::player player	3223	cf::object::player
1897	cf::player peaceful	3224	player
1898	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
1899		3231
1900	=cut	3232	=cut
1901		3233
1902	for (	3234	for (
1903	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
1904	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
1905	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
1906	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
1907	) {	3241	) {
1908	no strict 'refs';	3242	no strict 'refs';
1909	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
1910	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1928		3262
1929	my $qcode = $code;	3263	my $qcode = $code;
1930	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1931	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
1932		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
1933	local $_;	3270	local $_;
1934	local @safe::cf::_safe_eval_args = values %vars;
1935		3271
1936	my $eval =	3272	my $eval =
1937	"do {\n"	3273	"do {\n"
1938	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1939	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
1940	. $code	3276	. $code
1941	. "\n}"	3277	. "\n}"
1942	;	3278	;
1943		3279
		3280	if ($CFG{safe_eval}) {
1944	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
1945	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1946	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
1947		3289
1948	if ($@) {	3290	if ($@) {
1949	warn "$@";	3291	warn "$@";
1950	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
1951	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1970	=cut	3312	=cut
1971		3313
1972	sub register_script_function {	3314	sub register_script_function {
1973	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
1974		3316
1975	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
1976	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
1977	}	3319	}
1978		3320
1979	=back	3321	=back
1980		3322
1981	=cut	3323	=cut
1982		3324
1983	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
1984		3327
1985	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
1986		3330
1987	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
1988	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
1989	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
1990		3334
1991	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1992	using it, it should be unique.
1993		3336
1994	=over 4	3337	warn "loading facedata from $path\n";
1995		3338
1996	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
1997		3342
1998	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
1999	modified. After modifications, you have to call C<cf::db_dirty> or
2000	C<cf::db_sync>.
2001		3344
2002	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
2003		3347
2004	Returns a single value from the database	3348	# patch in the exptable
2005		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2006	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
2007		3351	type => FT_RSRC,
2008	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
2009	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
2010
2011	=item cf::db_put $family => $key => $value
2012
2013	Stores the given C<$value> in the family hash. Updates are delayed, if you
2014	want the data to be synced to disk immediately, use C<cf::db_sync>.
2015
2016	=item cf::db_dirty
2017
2018	Marks the database as dirty, to be updated at a later time.
2019
2020	=item cf::db_sync
2021
2022	Immediately write the database to disk I<if it is dirty>.
2023
2024	=cut
2025
2026	our $DB;
2027
2028	{
2029	my $path = cf::localdir . "/database.pst";
2030
2031	sub db_load() {
2032	$DB = stat $path ? Storable::retrieve $path : { };
2033	}
2034
2035	my $pid;
2036
2037	sub db_save() {
2038	waitpid $pid, 0 if $pid;
2039	if (0 == ($pid = fork)) {
2040	$DB->{_meta}{version} = 1;
2041	Storable::nstore $DB, "$path~";
2042	rename "$path~", $path;
2043	cf::_exit 0 if defined $pid;
2044	}
2045	}
2046
2047	my $dirty;
2048
2049	sub db_sync() {
2050	db_save if $dirty;
2051	undef $dirty;
2052	}
2053
2054	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055	db_sync;
2056	});	3354	};
		3355	cf::cede_to_tick;
2057		3356
2058	sub db_dirty() {
2059	$dirty = 1;
2060	$idle->start;
2061	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
2062		3359
2063	sub db_get($;$) {	3360	while (my ($face, $info) = each %$faces) {
2064	@_ >= 2	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2065	? $DB->{$_[0]}{$_[1]}
2066	: ($DB->{$_[0]} ||= { })
2067	}
2068		3362
2069	sub db_put($$;$) {	3363	cf::face::set_visibility $idx, $info->{visibility};
2070	if (@_ >= 3) {	3364	cf::face::set_magicmap $idx, $info->{magicmap};
2071	$DB->{$_[0]}{$_[1]} = $_[2];	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2072	} else {	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2073	$DB->{$_[0]} = $_[1];
2074	}
2075	db_dirty;
2076	}
2077		3367
2078	cf::global->attach (	3368	cf::cede_to_tick;
2079	prio => 10000,
2080	on_cleanup => sub {
2081	db_sync;
2082	},	3369	}
2083	);
2084	}
2085		3370
2086	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
2087	# the server's main()	3372	next unless $info->{smooth};
2088		3373
2089	sub cfg_load {	3374	my $idx = cf::face::find $face
		3375	or next;
		3376
		3377	if (my $smooth = cf::face::find $info->{smooth}) {
		3378	cf::face::set_smooth $idx, $smooth;
		3379	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3380	} else {
		3381	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3382	}
		3383
		3384	cf::cede_to_tick;
		3385	}
		3386	}
		3387
		3388	{
		3389	my $anims = $facedata->{animinfo};
		3390
		3391	while (my ($anim, $info) = each %$anims) {
		3392	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3393	cf::cede_to_tick;
		3394	}
		3395
		3396	cf::anim::invalidate_all; # d'oh
		3397	}
		3398
		3399	{
		3400	my $res = $facedata->{resource};
		3401
		3402	while (my ($name, $info) = each %$res) {
		3403	if (defined $info->{type}) {
		3404	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3405
		3406	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3407	cf::face::set_type $idx, $info->{type};
		3408	} else {
		3409	$RESOURCE{$name} = $info;
		3410	}
		3411
		3412	cf::cede_to_tick;
		3413	}
		3414	}
		3415
		3416	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3417
		3418	1
		3419	}
		3420
		3421	cf::global->attach (on_resource_update => sub {
		3422	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3423	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3424
		3425	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3426	my $sound = $soundconf->{compat}[$_]
		3427	or next;
		3428
		3429	my $face = cf::face::find "sound/$sound->[1]";
		3430	cf::sound::set $sound->[0] => $face;
		3431	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3432	}
		3433
		3434	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3435	my $face = cf::face::find "sound/$v";
		3436	cf::sound::set $k => $face;
		3437	}
		3438	}
		3439	});
		3440
		3441	register_exticmd fx_want => sub {
		3442	my ($ns, $want) = @_;
		3443
		3444	while (my ($k, $v) = each %$want) {
		3445	$ns->fx_want ($k, $v);
		3446	}
		3447	};
		3448
		3449	sub load_resource_file($) {
		3450	my $guard = lock_acquire "load_resource_file";
		3451
		3452	my $status = load_resource_file_ $_[0];
		3453	get_slot 0.1, 100;
		3454	cf::arch::commit_load;
		3455
		3456	$status
		3457	}
		3458
		3459	sub reload_regions {
		3460	# HACK to clear player env face cache, we need some signal framework
		3461	# for this (global event?)
		3462	%ext::player_env::MUSIC_FACE_CACHE = ();
		3463
		3464	load_resource_file "$MAPDIR/regions"
		3465	or die "unable to load regions file\n";
		3466
		3467	for (cf::region::list) {
		3468	$_->{match} = qr/$_->{match}/
		3469	if exists $_->{match};
		3470	}
		3471	}
		3472
		3473	sub reload_facedata {
		3474	load_facedata "$DATADIR/facedata"
		3475	or die "unable to load facedata\n";
		3476	}
		3477
		3478	sub reload_archetypes {
		3479	load_resource_file "$DATADIR/archetypes"
		3480	or die "unable to load archetypes\n";
		3481	}
		3482
		3483	sub reload_treasures {
		3484	load_resource_file "$DATADIR/treasures"
		3485	or die "unable to load treasurelists\n";
		3486	}
		3487
		3488	sub reload_resources {
		3489	warn "reloading resource files...\n";
		3490
		3491	reload_facedata;
		3492	reload_archetypes;
		3493	reload_regions;
		3494	reload_treasures;
		3495
		3496	warn "finished reloading resource files\n";
		3497	}
		3498
		3499	sub reload_config {
		3500	warn "reloading config file...\n";
		3501
2090	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
2091	or return;	3503	or return;
2092		3504
2093	local $/;	3505	local $/;
2094	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
2095		3507
2096	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2097		3509
2098	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2099	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2103	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2104	and die "WARNING: m(un)lockall failed: $!\n";	3516	and die "WARNING: m(un)lockall failed: $!\n";
2105	};	3517	};
2106	warn $@ if $@;	3518	warn $@ if $@;
2107	}	3519	}
		3520
		3521	warn "finished reloading resource files\n";
		3522	}
		3523
		3524	sub pidfile() {
		3525	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3526	or die "$PIDFILE: $!";
		3527	flock $fh, &Fcntl::LOCK_EX
		3528	or die "$PIDFILE: flock: $!";
		3529	$fh
		3530	}
		3531
		3532	# make sure only one server instance is running at any one time
		3533	sub atomic {
		3534	my $fh = pidfile;
		3535
		3536	my $pid = <$fh>;
		3537	kill 9, $pid if $pid > 0;
		3538
		3539	seek $fh, 0, 0;
		3540	print $fh $$;
		3541	}
		3542
		3543	sub main_loop {
		3544	warn "EV::loop starting\n";
		3545	if (1) {
		3546	EV::loop;
		3547	}
		3548	warn "EV::loop returned\n";
		3549	goto &main_loop unless $REALLY_UNLOOP;
2108	}	3550	}
2109		3551
2110	sub main {	3552	sub main {
		3553	cf::init_globals; # initialise logging
		3554
		3555	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3556	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3557	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3558	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3559
		3560	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3561
2111	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
2112	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
2113	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3564	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2114	async { Event::one_event };	3565	(async {
		3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3567	EV::loop EV::LOOP_ONESHOT;
		3568	})->prio (Coro::PRIO_MAX);
2115	};	3569	};
2116		3570
2117	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
2118	db_load;	3572
		3573	cf::sync_job {
		3574	cf::init_experience;
		3575	cf::init_anim;
		3576	cf::init_attackmess;
		3577	cf::init_dynamic;
		3578
		3579	cf::load_settings;
		3580	cf::load_materials;
		3581
		3582	reload_resources;
		3583	reload_config;
		3584	db_init;
		3585
		3586	cf::init_uuid;
		3587	cf::init_signals;
		3588	cf::init_skills;
		3589
		3590	cf::init_beforeplay;
		3591
		3592	atomic;
		3593
2119	load_extensions;	3594	load_extensions;
2120	Event::loop;	3595
		3596	utime time, time, $RUNTIMEFILE;
		3597
		3598	# no (long-running) fork's whatsoever before this point(!)
		3599	use POSIX ();
		3600	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3601
		3602	(pop @POST_INIT)->(0) while @POST_INIT;
		3603	};
		3604
		3605	cf::object::thawer::errors_are_fatal 0;
		3606	warn "parse errors in files are no longer fatal from this point on.\n";
		3607
		3608	main_loop;
2121	}	3609	}
2122		3610
2123	#############################################################################	3611	#############################################################################
2124	# initialisation	3612	# initialisation and cleanup
2125		3613
		3614	# install some emergency cleanup handlers
		3615	BEGIN {
		3616	our %SIGWATCHER = ();
		3617	for my $signal (qw(INT HUP TERM)) {
		3618	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3619	cf::cleanup "SIG$signal";
		3620	};
		3621	}
		3622	}
		3623
		3624	sub write_runtime_sync {
		3625	my $t0 = AE::time;
		3626
		3627	# first touch the runtime file to show we are still running:
		3628	# the fsync below can take a very very long time.
		3629
		3630	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3631
		3632	my $guard = cf::lock_acquire "write_runtime";
		3633
		3634	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3635	or return;
		3636
		3637	my $value = $cf::RUNTIME + 90 + 10;
		3638	# 10 is the runtime save interval, for a monotonic clock
		3639	# 60 allows for the watchdog to kill the server.
		3640
		3641	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3642	and return;
		3643
		3644	# always fsync - this file is important
		3645	aio_fsync $fh
		3646	and return;
		3647
		3648	# touch it again to show we are up-to-date
		3649	aio_utime $fh, undef, undef;
		3650
		3651	close $fh
		3652	or return;
		3653
		3654	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3655	and return;
		3656
		3657	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3658
		3659	1
		3660	}
		3661
		3662	our $uuid_lock;
		3663	our $uuid_skip;
		3664
		3665	sub write_uuid_sync($) {
		3666	$uuid_skip ||= $_[0];
		3667
		3668	return if $uuid_lock;
		3669	local $uuid_lock = 1;
		3670
		3671	my $uuid = "$LOCALDIR/uuid";
		3672
		3673	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3674	or return;
		3675
		3676	my $value = uuid_seq uuid_cur;
		3677
		3678	unless ($value) {
		3679	warn "cowardly refusing to write zero uuid value!\n";
		3680	return;
		3681	}
		3682
		3683	my $value = uuid_str $value + $uuid_skip;
		3684	$uuid_skip = 0;
		3685
		3686	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3687	and return;
		3688
		3689	# always fsync - this file is important
		3690	aio_fsync $fh
		3691	and return;
		3692
		3693	close $fh
		3694	or return;
		3695
		3696	aio_rename "$uuid~", $uuid
		3697	and return;
		3698
		3699	warn "uuid file written ($value).\n";
		3700
		3701	1
		3702
		3703	}
		3704
		3705	sub write_uuid($$) {
		3706	my ($skip, $sync) = @_;
		3707
		3708	$sync ? write_uuid_sync $skip
		3709	: async { write_uuid_sync $skip };
		3710	}
		3711
		3712	sub emergency_save() {
		3713	my $freeze_guard = cf::freeze_mainloop;
		3714
		3715	warn "emergency_perl_save: enter\n";
		3716
		3717	cf::sync_job {
		3718	# this is a trade-off: we want to be very quick here, so
		3719	# save all maps without fsync, and later call a global sync
		3720	# (which in turn might be very very slow)
		3721	local $USE_FSYNC = 0;
		3722
		3723	# use a peculiar iteration method to avoid tripping on perl
		3724	# refcount bugs in for. also avoids problems with players
		3725	# and maps saved/destroyed asynchronously.
		3726	warn "emergency_perl_save: begin player save\n";
		3727	for my $login (keys %cf::PLAYER) {
		3728	my $pl = $cf::PLAYER{$login} or next;
		3729	$pl->valid or next;
		3730	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3731	$pl->save;
		3732	}
		3733	warn "emergency_perl_save: end player save\n";
		3734
		3735	warn "emergency_perl_save: begin map save\n";
		3736	for my $path (keys %cf::MAP) {
		3737	my $map = $cf::MAP{$path} or next;
		3738	$map->valid or next;
		3739	$map->save;
		3740	}
		3741	warn "emergency_perl_save: end map save\n";
		3742
		3743	warn "emergency_perl_save: begin database checkpoint\n";
		3744	BDB::db_env_txn_checkpoint $DB_ENV;
		3745	warn "emergency_perl_save: end database checkpoint\n";
		3746
		3747	warn "emergency_perl_save: begin write uuid\n";
		3748	write_uuid_sync 1;
		3749	warn "emergency_perl_save: end write uuid\n";
		3750	};
		3751
		3752	warn "emergency_perl_save: starting sync()\n";
		3753	IO::AIO::aio_sync sub {
		3754	warn "emergency_perl_save: finished sync()\n";
		3755	};
		3756
		3757	warn "emergency_perl_save: leave\n";
		3758	}
		3759
		3760	sub post_cleanup {
		3761	my ($make_core) = @_;
		3762
		3763	warn Carp::longmess "post_cleanup backtrace"
		3764	if $make_core;
		3765
		3766	my $fh = pidfile;
		3767	unlink $PIDFILE if <$fh> == $$;
		3768	}
		3769
		3770	# a safer delete_package, copied from Symbol
		3771	sub clear_package($) {
		3772	my $pkg = shift;
		3773
		3774	# expand to full symbol table name if needed
		3775	unless ($pkg =~ /^main::.*::$/) {
		3776	$pkg = "main$pkg" if $pkg =~ /^::/;
		3777	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3778	$pkg .= '::' unless $pkg =~ /::$/;
		3779	}
		3780
		3781	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3782	my $stem_symtab = *{$stem}{HASH};
		3783
		3784	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3785	or return;
		3786
		3787	# clear all symbols
		3788	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3789	for my $name (keys %$leaf_symtab) {
		3790	_gv_clear *{"$pkg$name"};
		3791	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3792	}
		3793	}
		3794
2126	sub reload() {	3795	sub do_reload_perl() {
2127	# can/must only be called in main	3796	# can/must only be called in main
2128	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2129	warn "can only reload from main coroutine\n";	3798	warn "can only reload from main coroutine";
2130	return;	3799	return;
2131	}	3800	}
2132		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2133	warn "reloading...";	3807	warn "reloading...";
2134		3808
2135	my $guard = freeze_mainloop;	3809	warn "entering sync_job";
		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2136	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2137		3815
2138	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2139	# if anything goes wrong in here, we should simply crash as we already saved	3819	# if anything goes wrong in here, we should simply crash as we already saved
2140		3820
2141	# cancel all watchers	3821	warn "flushing outstanding aio requests";
2142	for (Event::all_watchers) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2143	$_->cancel if $_->data & WF_AUTOCANCEL;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2144	}
2145
2146	# cancel all extension coros
2147	$_->cancel for values %EXT_CORO;
2148	%EXT_CORO = ();
2149
2150	# unload all extensions
2151	for (@exts) {
2152	warn "unloading <$_>";
2153	unload_extension $_;
2154	}
2155
2156	# unload all modules loaded from $LIBDIR
2157	while (my ($k, $v) = each %INC) {
2158	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159
2160	warn "removing <$k>";
2161	delete $INC{$k};
2162
2163	$k =~ s/\.pm$//;
2164	$k =~ s/\//::/g;
2165
2166	if (my $cb = $k->can ("unload_module")) {
2167	$cb->();
2168	}	3824	}
2169		3825
2170	Symbol::delete_package $k;	3826	warn "cancelling all extension coros";
		3827	$_->cancel for values %EXT_CORO;
		3828	%EXT_CORO = ();
		3829
		3830	warn "removing commands";
		3831	%COMMAND = ();
		3832
		3833	warn "removing ext/exti commands";
		3834	%EXTCMD = ();
		3835	%EXTICMD = ();
		3836
		3837	warn "unloading/nuking all extensions";
		3838	for my $pkg (@EXTS) {
		3839	warn "... unloading $pkg";
		3840
		3841	if (my $cb = $pkg->can ("unload")) {
		3842	eval {
		3843	$cb->($pkg);
		3844	1
		3845	} or warn "$pkg unloaded, but with errors: $@";
		3846	}
		3847
		3848	warn "... clearing $pkg";
		3849	clear_package $pkg;
2171	}	3850	}
2172		3851
2173	# sync database to disk	3852	warn "unloading all perl modules loaded from $LIBDIR";
2174	cf::db_sync;	3853	while (my ($k, $v) = each %INC) {
2175	IO::AIO::flush;	3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2176		3855
		3856	warn "... unloading $k";
		3857	delete $INC{$k};
		3858
		3859	$k =~ s/\.pm$//;
		3860	$k =~ s/\//::/g;
		3861
		3862	if (my $cb = $k->can ("unload_module")) {
		3863	$cb->();
		3864	}
		3865
		3866	clear_package $k;
		3867	}
		3868
2177	# get rid of safe::, as good as possible	3869	warn "getting rid of safe::, as good as possible";
2178	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2179	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3871	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180		3872
2181	# remove register_script_function callbacks	3873	warn "unloading cf.pm \"a bit\"";
2182	# TODO
2183
2184	# unload cf.pm "a bit"
2185	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2186		3876
2187	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2188	# and global variables created in xs	3878	# and global variables created in xs
2189	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2190		3880
2191	# reload cf.pm	3881	warn "unload completed, starting to reload now";
		3882
2192	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2193	require cf;	3884	require cf;
2194	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2195		3886
2196	# load config and database again	3887	warn "loading config and database again";
2197	cf::cfg_load;	3888	cf::reload_config;
2198	cf::db_load;
2199		3889
2200	# load extensions
2201	warn "load extensions";	3890	warn "loading extensions";
2202	cf::load_extensions;	3891	cf::load_extensions;
2203		3892
2204	# reattach attachments to objects	3893	if ($REATTACH_ON_RELOAD) {
2205	warn "reattach";	3894	warn "reattaching attachments to objects/players";
2206	_global_reattach;	3895	_global_reattach; # objects, sockets
		3896	warn "reattaching attachments to maps";
2207	reattach $_ for values %MAP;	3897	reattach $_ for values %MAP;
		3898	warn "reattaching attachments to players";
		3899	reattach $_ for values %PLAYER;
		3900	}
		3901
		3902	warn "running post_init jobs";
		3903	(pop @POST_INIT)->(1) while @POST_INIT;
		3904
		3905	warn "leaving sync_job";
		3906
		3907	1
		3908	} or do {
		3909	warn $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
		3913	warn "reloaded";
		3914	--$RELOAD;
		3915	}
		3916
		3917	$t1 = AE::time - $t1;
		3918	warn "reload completed in ${t1}s\n";
		3919	};
		3920
		3921	our $RELOAD_WATCHER; # used only during reload
		3922
		3923	sub reload_perl() {
		3924	# doing reload synchronously and two reloads happen back-to-back,
		3925	# coro crashes during coro_state_free->destroy here.
		3926
		3927	$RELOAD_WATCHER ||= cf::async {
		3928	Coro::AIO::aio_wait cache_extensions;
		3929
		3930	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3931	do_reload_perl;
		3932	undef $RELOAD_WATCHER;
		3933	};
2208	};	3934	};
2209
2210	if ($@) {
2211	warn $@;
2212	warn "error while reloading, exiting.";
2213	exit 1;
2214	}
2215
2216	warn "reloaded successfully";
2217	};
2218
2219	#############################################################################
2220
2221	unless ($LINK_MAP) {
2222	$LINK_MAP = cf::map::new;
2223
2224	$LINK_MAP->width (41);
2225	$LINK_MAP->height (41);
2226	$LINK_MAP->alloc;
2227	$LINK_MAP->path ("{link}");
2228	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231	# dirty hack because... archetypes are not yet loaded
2232	Event->timer (
2233	after => 10,
2234	cb => sub {
2235	$_[0]->w->cancel;
2236
2237	# provide some exits "home"
2238	my $exit = cf::object::new "exit";
2239
2240	$exit->slaying ($EMERGENCY_POSITION->[0]);
2241	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244	$LINK_MAP->insert ($exit->clone, 19, 19);
2245	$LINK_MAP->insert ($exit->clone, 19, 20);
2246	$LINK_MAP->insert ($exit->clone, 19, 21);
2247	$LINK_MAP->insert ($exit->clone, 20, 19);
2248	$LINK_MAP->insert ($exit->clone, 20, 21);
2249	$LINK_MAP->insert ($exit->clone, 21, 19);
2250	$LINK_MAP->insert ($exit->clone, 21, 20);
2251	$LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253	$exit->destroy;
2254	});
2255
2256	$LINK_MAP->{deny_save} = 1;
2257	$LINK_MAP->{deny_reset} = 1;
2258
2259	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260	}	3935	}
2261
2262	register "<global>", __PACKAGE__;
2263		3936
2264	register_command "reload" => sub {	3937	register_command "reload" => sub {
2265	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2266		3939
2267	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2268	$who->message ("start of reload.");
2269	reload;
2270	$who->message ("end of reload.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
		3944	reload_perl;
		3945	};
2271	}	3946	}
2272	};	3947	};
2273		3948
2274	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2275		3950
2276	$TICK_WATCHER = Event->timer (	3951	my $bug_warning = 0;
2277	reentrant => 0,	3952
2278	prio => 0,	3953	our @WAIT_FOR_TICK;
2279	at => $NEXT_TICK || $TICK,	3954	our @WAIT_FOR_TICK_BEGIN;
2280	data => WF_AUTOCANCEL,	3955
2281	cb => sub {	3956	sub wait_for_tick {
		3957	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3958
		3959	my $signal = new Coro::Signal;
		3960	push @WAIT_FOR_TICK, $signal;
		3961	$signal->wait;
		3962	}
		3963
		3964	sub wait_for_tick_begin {
		3965	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3966
		3967	my $signal = new Coro::Signal;
		3968	push @WAIT_FOR_TICK_BEGIN, $signal;
		3969	$signal->wait;
		3970	}
		3971
		3972	sub tick {
		3973	if ($Coro::current != $Coro::main) {
		3974	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3975	unless ++$bug_warning > 10;
		3976	return;
		3977	}
		3978
2282	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2283	$RUNTIME += $TICK;
2284	$NEXT_TICK += $TICK;
2285		3980
2286	# if we are delayed by four ticks or more, skip them all	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2287	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288		3982
2289	$TICK_WATCHER->at ($NEXT_TICK);	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2290	$TICK_WATCHER->start;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2291	},	3985	Coro::async_pool {
2292	);	3986	$Coro::current->{desc} = "runtime saver";
2293
2294	IO::AIO::max_poll_time $TICK * 0.2;
2295
2296	Event->io (
2297	fd => IO::AIO::poll_fileno,
2298	poll => 'r',
2299	prio => 5,
2300	data => WF_AUTOCANCEL,
2301	cb => \&IO::AIO::poll_cb,
2302	);
2303
2304	Event->timer (
2305	data => WF_AUTOCANCEL,
2306	after => 0,
2307	interval => 10,
2308	cb => sub {
2309	(Coro::unblock_sub {
2310	write_runtime	3987	write_runtime_sync
2311	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
2312	})->();	3989	};
2313	},	3990	}
2314	);	3991
		3992	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3993	$sig->send;
		3994	}
		3995	while (my $sig = shift @WAIT_FOR_TICK) {
		3996	$sig->send;
		3997	}
		3998
		3999	$LOAD = ($NOW - $TICK_START) / $TICK;
		4000	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4001
		4002	if (0) {
		4003	if ($NEXT_TICK) {
		4004	my $jitter = $TICK_START - $NEXT_TICK;
		4005	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4006	warn "jitter $JITTER\n";#d#
		4007	}
		4008	}
		4009	}
		4010
		4011	{
		4012	# configure BDB
		4013
		4014	BDB::min_parallel 16;
		4015	BDB::max_poll_reqs $TICK * 0.1;
		4016	$AnyEvent::BDB::WATCHER->priority (1);
		4017
		4018	unless ($DB_ENV) {
		4019	$DB_ENV = BDB::db_env_create;
		4020	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4021	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4022	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4023	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4024	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4025
		4026	cf::sync_job {
		4027	eval {
		4028	BDB::db_env_open
		4029	$DB_ENV,
		4030	$BDBDIR,
		4031	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4032	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4033	0666;
		4034
		4035	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4036	};
		4037
		4038	cf::cleanup "db_env_open(db): $@" if $@;
		4039	};
		4040	}
		4041
		4042	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4043	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4044	};
		4045	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4046	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4047	};
		4048	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4049	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4050	};
		4051	}
		4052
		4053	{
		4054	# configure IO::AIO
		4055
		4056	IO::AIO::min_parallel 8;
		4057	IO::AIO::max_poll_time $TICK * 0.1;
		4058	undef $AnyEvent::AIO::WATCHER;
		4059	}
		4060
		4061	my $_log_backtrace;
		4062
		4063	sub _log_backtrace {
		4064	my ($msg, @addr) = @_;
		4065
		4066	$msg =~ s/\n//;
		4067
		4068	# limit the # of concurrent backtraces
		4069	if ($_log_backtrace < 2) {
		4070	++$_log_backtrace;
		4071	my $perl_bt = Carp::longmess $msg;
		4072	async {
		4073	$Coro::current->{desc} = "abt $msg";
		4074
		4075	my @bt = fork_call {
		4076	@addr = map { sprintf "%x", $_ } @addr;
		4077	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4078	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4079	or die "addr2line: $!";
		4080
		4081	my @funcs;
		4082	my @res = <$fh>;
		4083	chomp for @res;
		4084	while (@res) {
		4085	my ($func, $line) = splice @res, 0, 2, ();
		4086	push @funcs, "[$func] $line";
		4087	}
		4088
		4089	@funcs
		4090	};
		4091
		4092	LOG llevInfo, "[ABT] $perl_bt\n";
		4093	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4094	LOG llevInfo, "[ABT] $_\n" for @bt;
		4095	--$_log_backtrace;
		4096	};
		4097	} else {
		4098	LOG llevInfo, "[ABT] $msg\n";
		4099	LOG llevInfo, "[ABT] [suppressed]\n";
		4100	}
		4101	}
		4102
		4103	# load additional modules
		4104	require "cf/$_.pm" for @EXTRA_MODULES;
		4105	cf::_connect_to_perl_2;
2315		4106
2316	END { cf::emergency_save }	4107	END { cf::emergency_save }
2317		4108
2318	1	4109	1
2319		4110

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