ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.127 by root, Wed Jan 3 00:05:26 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 2.31 ();
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 (2); # 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 %MAP; # all maps	134	our (%PLAYER, %PLAYER_LOADING); # all users
53	our $LINK_MAP; # the special {link} map	135	our (%MAP, %MAP_LOADING ); # all maps
54	our $FREEZE;	136	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	137
56	our %EXT_CORO;	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;
76		165
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	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::"} };
78		180
79	#############################################################################	181	#############################################################################
80		182
81	=head2 GLOBAL VARIABLES	183	=head2 GLOBAL VARIABLES
82		184
…		…
89	=item $cf::RUNTIME	191	=item $cf::RUNTIME
90		192
91	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
92	every server tick.	194	every server tick.
93		195
94	=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
95		199
96	The perl library directory, where extensions and cf-specific modules can	200	Various directories - "/etc", read-only install directory, perl-library
97	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.
98		204
99	=item $cf::NOW	205	=item $cf::NOW
100		206
101	The time of the last (current) server tick.	207	The time of the last (current) server tick.
102		208
103	=item $cf::TICK	209	=item $cf::TICK
104		210
105	The interval between server ticks, in seconds.	211	The interval between server ticks, in seconds.
106		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
107	=item %cf::CFG	223	=item %cf::CFG
108		224
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	225	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
110	from wherever your confdir points to.	226	from wherever your confdir points to.
111		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
112	=back	246	=back
113		247
114	=cut	248	=cut
115		249
116	BEGIN {	250	$Coro::State::WARNHOOK = sub {
117	*CORE::GLOBAL::warn = sub {
118	my $msg = join "", @_;	251	my $msg = join "", @_;
119	utf8::encode $msg;
120		252
121	$msg .= "\n"	253	$msg .= "\n"
122	unless $msg =~ /\n$/;	254	unless $msg =~ /\n$/;
123		255
		256	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		257
124	LOG llevError, "cfperl: $msg";	258	LOG llevError, $msg;
125	};	259	};
126	}	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	};
127		274
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	275	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	276	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
130	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	277	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
131	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	278	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
132	@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';
133	@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)
134		282
135	# 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
136	# within the Safe compartment.	284	# within the Safe compartment.
137	for my $pkg (qw(	285	for my $pkg (qw(
138	cf::global cf::attachable	286	cf::global cf::attachable
139	cf::object cf::object::player	287	cf::object cf::object::player
140	cf::client cf::player	288	cf::client cf::player
141	cf::arch cf::living	289	cf::arch cf::living
		290	cf::map cf::mapspace
142	cf::map cf::party cf::region	291	cf::party cf::region
143	)) {	292	)) {
144	no strict 'refs';
145	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	293	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
146	}	294	}
147		295
148	$Event::DIED = sub {	296	$EV::DIED = sub {
149	warn "error in event callback: @_";	297	Carp::cluck "error in event callback: @_";
150	};	298	};
151		299
152	my %ext_pkg;	300	#############################################################################
153	my @exts;
154	my @hook;
155		301
156	=head2 UTILITY FUNCTIONS	302	=head2 UTILITY FUNCTIONS
157		303
158	=over 4	304	=over 4
159		305
160	=cut	306	=item dumpval $ref
161		307
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	308	=cut
163		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
164	=item $ref = cf::from_json $json	329	=item $ref = cf::decode_json $json
165		330
166	Converts a JSON string into the corresponding perl data structure.	331	Converts a JSON string into the corresponding perl data structure.
167		332
168	=cut
169
170	sub from_json($) {
171	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
172	JSON::Syck::Load $_[0]
173	}
174
175	=item $json = cf::to_json $ref	333	=item $json = cf::encode_json $ref
176		334
177	Converts a perl data structure into its JSON representation.	335	Converts a perl data structure into its JSON representation.
178		336
179	=cut	337	=cut
180		338
181	sub to_json($) {	339	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]
184	}
185		340
186	=item my $guard = cf::guard { BLOCK }	341	sub encode_json($) { $json_coder->encode ($_[0]) }
		342	sub decode_json($) { $json_coder->decode ($_[0]) }
187		343
188	Run the given callback when the guard object gets destroyed (useful for	344	=item cf::post_init { BLOCK }
189	coroutine cancellations).
190		345
191	You can call C<< ->cancel >> on the guard object to stop the block from	346	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
192	being executed.	347	but I<before> the server starts ticking again.
193		348
194	=cut	349	The cdoeblock will have a single boolean argument to indicate whether this
		350	is a reload or not.
195		351
196	sub guard(&) {	352	=cut
197	bless \(my $cb = $_[0]), cf::guard::;
198	}
199		353
200	sub cf::guard::cancel {	354	sub post_init(&) {
201	${$_[0]} = sub { };	355	push @POST_INIT, shift;
202	}
203
204	sub cf::guard::DESTROY {
205	${$_[0]}->();
206	}	356	}
207		357
208	=item cf::lock_wait $string	358	=item cf::lock_wait $string
209		359
210	Wait until the given lock is available. See cf::lock_acquire.	360	Wait until the given lock is available. See cf::lock_acquire.
211		361
212	=item my $lock = cf::lock_acquire $string	362	=item my $lock = cf::lock_acquire $string
213		363
214	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
215	a 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,
216	for example when the coroutine gets canceled), the lock is automatically	366	for example when the coroutine gets canceled), the lock is automatically
217	returned.	367	returned.
218		368
		369	Locks are *not* recursive, locking from the same coro twice results in a
		370	deadlocked coro.
		371
219	Lock names should begin with a unique identifier (for example, find_map	372	Lock names should begin with a unique identifier (for example, cf::map::find
220	uses map_find and load_map uses map_load).	373	uses map_find and cf::map::load uses map_load).
221		374
222	=cut	375	=item $locked = cf::lock_active $string
223		376
224	our %LOCK;	377	Return true if the lock is currently active, i.e. somebody has locked it.
		378
		379	=cut
		380
		381	our $LOCKS = new Coro::SemaphoreSet;
225		382
226	sub lock_wait($) {	383	sub lock_wait($) {
227	my ($key) = @_;	384	$LOCKS->wait ($_[0]);
228
229	# wait for lock, if any
230	while ($LOCK{$key}) {
231	push @{ $LOCK{$key} }, $Coro::current;
232	Coro::schedule;
233	}
234	}	385	}
235		386
236	sub lock_acquire($) {	387	sub lock_acquire($) {
237	my ($key) = @_;	388	$LOCKS->guard ($_[0])
		389	}
238		390
239	# wait, to be sure we are not locked	391	sub lock_active($) {
240	lock_wait $key;	392	$LOCKS->count ($_[0]) < 1
		393	}
241		394
242	$LOCK{$key} = [];	395	sub freeze_mainloop {
		396	tick_inhibit_inc;
243		397
244	cf::guard {	398	&Guard::guard (\&tick_inhibit_dec);
245	# wake up all waiters, to be on the safe side	399	}
246	$_->ready for @{ delete $LOCK{$key} };	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($$) {
		409	my ($interval, $cb) = @_;
		410
		411	my $start = rand List::Util::min 180, $interval;
		412
		413	EV::periodic $start, $interval, 0, $cb
		414	}
		415
		416	=item cf::get_slot $time[, $priority[, $name]]
		417
		418	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		419	This call blocks and returns only when you have at least C<$time> seconds
		420	of cpu time till the next tick. The slot is only valid till the next cede.
		421
		422	The optional C<$name> can be used to identify the job to run. It might be
		423	used for statistical purposes and should identify the same time-class.
		424
		425	Useful for short background jobs.
		426
		427	=cut
		428
		429	our @SLOT_QUEUE;
		430	our $SLOT_QUEUE;
		431	our $SLOT_DECAY = 0.9;
		432
		433	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		434	$SLOT_QUEUE = Coro::async {
		435	$Coro::current->desc ("timeslot manager");
		436
		437	my $signal = new Coro::Signal;
		438	my $busy;
		439
		440	while () {
		441	next_job:
		442
		443	my $avail = cf::till_tick;
		444
		445	for (0 .. $#SLOT_QUEUE) {
		446	if ($SLOT_QUEUE[$_][0] <= $avail) {
		447	$busy = 0;
		448	my $job = splice @SLOT_QUEUE, $_, 1, ();
		449	$job->[2]->send;
		450	Coro::cede;
		451	goto next_job;
		452	} else {
		453	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		454	}
		455	}
		456
		457	if (@SLOT_QUEUE) {
		458	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		459	push @cf::WAIT_FOR_TICK, $signal;
		460	$signal->wait;
		461	} else {
		462	$busy = 0;
		463	Coro::schedule;
		464	}
247	}	465	}
		466	};
		467
		468	sub get_slot($;$$) {
		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	$sig->wait;
248	}	481	}
249		482
250	=item cf::async { BLOCK }	483	=item cf::async { BLOCK }
251		484
252	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	485	Currently the same as Coro::async_pool, meaning you cannot use
253	error instead of exiting the server in case of a problem.	486	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		487	thing you are allowed to do is call C<prio> on it.
254		488
255	=cut	489	=cut
256		490
257	sub async(&) {	491	BEGIN { *async = \&Coro::async_pool }
258	my ($cb) = @_;
259
260	Coro::async {
261	eval { $cb->() };
262	warn $@ if $@;
263	}
264	}
265		492
266	=item cf::sync_job { BLOCK }	493	=item cf::sync_job { BLOCK }
267		494
268	The design of crossfire+ requires that the main coro ($Coro::main) is	495	The design of Deliantra requires that the main coroutine ($Coro::main)
269	always able to handle events or runnable, as crossfire+ is only partly	496	is always able to handle events or runnable, as Deliantra is only
270	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	497	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		498	acceptable.
271		499
272	If it must be done, put the blocking parts into C<sync_job>. This will run	500	If it must be done, put the blocking parts into C<sync_job>. This will run
273	the given BLOCK in another coroutine while waiting for the result. The	501	the given BLOCK in another coroutine while waiting for the result. The
274	server will be frozen during this time, so the block should either finish	502	server will be frozen during this time, so the block should either finish
275	fast or be very important.	503	fast or be very important.
…		…
278		506
279	sub sync_job(&) {	507	sub sync_job(&) {
280	my ($job) = @_;	508	my ($job) = @_;
281		509
282	if ($Coro::current == $Coro::main) {	510	if ($Coro::current == $Coro::main) {
		511	my $time = AE::time;
		512
283	# this is the main coro, too bad, we have to block	513	# this is the main coro, too bad, we have to block
284	# till the operation succeeds, freezing the server :/	514	# till the operation succeeds, freezing the server :/
285		515
286	# TODO: use suspend/resume instead	516	LOG llevError, Carp::longmess "sync job";#d#
287	# (but this is cancel-safe)	517
288	local $FREEZE = 1;	518	my $freeze_guard = freeze_mainloop;
289		519
290	my $busy = 1;	520	my $busy = 1;
291	my @res;	521	my @res;
292		522
293	(Coro::async {	523	(async {
		524	$Coro::current->desc ("sync job coro");
294	@res = eval { $job->() };	525	@res = eval { $job->() };
295	warn $@ if $@;	526	warn $@ if $@;
296	undef $busy;	527	undef $busy;
297	})->prio (Coro::PRIO_MAX);	528	})->prio (Coro::PRIO_MAX);
298		529
299	while ($busy) {	530	while ($busy) {
		531	if (Coro::nready) {
300	Coro::cede_notself;	532	Coro::cede_notself;
301	Event::one_event unless Coro::nready;	533	} else {
		534	EV::loop EV::LOOP_ONESHOT;
302	}	535	}
		536	}
		537
		538	my $time = AE::time - $time;
		539
		540	$TICK_START += $time; # do not account sync jobs to server load
303		541
304	wantarray ? @res : $res[0]	542	wantarray ? @res : $res[0]
305	} else {	543	} else {
306	# we are in another coroutine, how wonderful, everything just works	544	# we are in another coroutine, how wonderful, everything just works
307		545
308	$job->()	546	$job->()
309	}	547	}
310	}	548	}
311		549
312	=item $coro = cf::coro { BLOCK }	550	=item $coro = cf::async_ext { BLOCK }
313		551
314	Creates and returns a new coro. This coro is automcatially being canceled	552	Like async, but this coro is automatically being canceled when the
315	when the extension calling this is being unloaded.	553	extension calling this is being unloaded.
316		554
317	=cut	555	=cut
318		556
319	sub coro(&) {	557	sub async_ext(&) {
320	my $cb = shift;	558	my $cb = shift;
321		559
322	my $coro = &cf::async ($cb);	560	my $coro = &Coro::async ($cb);
323		561
324	$coro->on_destroy (sub {	562	$coro->on_destroy (sub {
325	delete $EXT_CORO{$coro+0};	563	delete $EXT_CORO{$coro+0};
326	});	564	});
327	$EXT_CORO{$coro+0} = $coro;	565	$EXT_CORO{$coro+0} = $coro;
328		566
329	$coro	567	$coro
330	}	568	}
331		569
332	sub write_runtime {	570	=item fork_call { }, $args
333	my $runtime = cf::localdir . "/runtime";
334		571
335	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	572	Executes the given code block with the given arguments in a seperate
336	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.
337		576
338	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	577	=cut
339	(aio_write $fh, 0, (length $value), $value, 0) <= 0
340	and return;
341		578
342	aio_fsync $fh	579	sub fork_call(&@) {
343	and return;	580	my ($cb, @args) = @_;
344		581
345	close $fh	582	# we seemingly have to make a local copy of the whole thing,
346	or return;	583	# otherwise perl prematurely frees the stuff :/
		584	# TODO: investigate and fix (likely this will be rather laborious)
347		585
348	aio_rename "$runtime~", $runtime	586	my @res = Coro::Util::fork_eval {
349	and return;	587	reset_signals;
		588	&$cb
		589	}, @args;
350		590
		591	wantarray ? @res : $res[-1]
		592	}
		593
		594	sub objinfo {
351	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 => $type });
352	}	768	}
353		769
354	=back	770	=back
355		771
356	=cut	772	=cut
357		773
358	#############################################################################	774	#############################################################################
359		775
360	package cf::path;
361
362	sub new {
363	my ($class, $path, $base) = @_;
364
365	$path = $path->as_string if ref $path;
366
367	my $self = bless { }, $class;
368
369	# {... are special paths that are not touched
370	# ?xxx/... are special absolute paths
371	# ?random/... random maps
372	# /! non-realised random map exit
373	# /... normal maps
374	# ~/... per-player maps without a specific player (DO NOT USE)
375	# ~user/... per-player map of a specific user
376
377	if ($path =~ /^{/) {
378	# fine as it is
379	} elsif ($path =~ s{^\?random/}{}) {
380	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381	$self->{random} = cf::from_json $data;
382	} else {
383	if ($path =~ s{^~([^/]+)?}{}) {
384	$self->{user_rel} = 1;
385
386	if (defined $1) {
387	$self->{user} = $1;
388	} elsif ($base =~ m{^~([^/]+)/}) {
389	$self->{user} = $1;
390	} else {
391	warn "cannot resolve user-relative path without user <$path,$base>\n";
392	}
393	} elsif ($path =~ /^\//) {
394	# already absolute
395	} else {
396	$base =~ s{[^/]+/?$}{};
397	return $class->new ("$base/$path");
398	}
399
400	for ($path) {
401	redo if s{/\.?/}{/};
402	redo if s{/[^/]+/\.\./}{/};
403	}
404	}
405
406	$self->{path} = $path;
407
408	$self
409	}
410
411	# the name / primary key / in-game path
412	sub as_string {
413	my ($self) = @_;
414
415	$self->{user_rel} ? "~$self->{user}$self->{path}"
416	: $self->{random} ? "?random/$self->{path}"
417	: $self->{path}
418	}
419
420	# the displayed name, this is a one way mapping
421	sub visible_name {
422	my ($self) = @_;
423
424	# if (my $rmp = $self->{random}) {
425	# # todo: be more intelligent about this
426	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427	# } else {
428	$self->as_string
429	# }
430	}
431
432	# escape the /'s in the path
433	sub _escaped_path {
434	# ∕ is U+2215
435	(my $path = $_[0]{path}) =~ s/\//∕/g;
436	$path
437	}
438
439	# the original (read-only) location
440	sub load_path {
441	my ($self) = @_;
442
443	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
444	}
445
446	# the temporary/swap location
447	sub save_path {
448	my ($self) = @_;
449
450	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453	}
454
455	# the unique path, might be eq to save_path
456	sub uniq_path {
457	my ($self) = @_;
458
459	$self->{user_rel} || $self->{random}
460	? undef
461	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462	}
463
464	# return random map parameters, or undef
465	sub random_map_params {
466	my ($self) = @_;
467
468	$self->{random}
469	}
470
471	# this is somewhat ugly, but style maps do need special treatment
472	sub is_style_map {
473	$_[0]{path} =~ m{^/styles/}
474	}
475
476	package cf;
477
478	#############################################################################
479
480	=head2 ATTACHABLE OBJECTS	776	=head2 ATTACHABLE OBJECTS
481		777
482	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
483	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")
484	to it. All such attachable objects support the following methods.	780	to it. All such attachable objects support the following methods.
485		781
486	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>
487	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
488	crossfire+).	784	Deliantra).
489		785
490	=over 4	786	=over 4
491		787
492	=item $attachable->attach ($attachment, key => $value...)	788	=item $attachable->attach ($attachment, key => $value...)
493		789
…		…
537	=item cf::CLASS::attachment $name, ...	833	=item cf::CLASS::attachment $name, ...
538		834
539	Register an attachment by C<$name> through which attachable objects of the	835	Register an attachment by C<$name> through which attachable objects of the
540	given CLASS can refer to this attachment.	836	given CLASS can refer to this attachment.
541		837
542	Some classes such as crossfire maps and objects can specify attachments	838	Some classes such as deliantra maps and objects can specify attachments
543	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.
544		840
545	These calls expect any number of the following handler/hook descriptions:	841	These calls expect any number of the following handler/hook descriptions:
546		842
547	=over 4	843	=over 4
…		…
607	our @CB_TYPE = (); # registry for type (cf-object class) based events	903	our @CB_TYPE = (); # registry for type (cf-object class) based events
608	our @CB_MAP = ();	904	our @CB_MAP = ();
609		905
610	my %attachment;	906	my %attachment;
611		907
		908	sub cf::attachable::thawer_merge {
		909	# simply override everything except _meta
		910	local $_[0]{_meta};
		911	%{$_[0]} = %{$_[1]};
		912	}
		913
612	sub _attach_cb($$$$) {	914	sub _attach_cb($$$$) {
613	my ($registry, $event, $prio, $cb) = @_;	915	my ($registry, $event, $prio, $cb) = @_;
614		916
615	use sort 'stable';	917	use sort 'stable';
616		918
…		…
650	$registry = $CB_TYPE[$object_type] ||= [];	952	$registry = $CB_TYPE[$object_type] ||= [];
651		953
652	} elsif ($type eq "subtype") {	954	} elsif ($type eq "subtype") {
653	defined $object_type or Carp::croak "subtype specified without type";	955	defined $object_type or Carp::croak "subtype specified without type";
654	my $object_subtype = shift @arg;	956	my $object_subtype = shift @arg;
655	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	957	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
656		958
657	} elsif ($type eq "package") {	959	} elsif ($type eq "package") {
658	my $pkg = shift @arg;	960	my $pkg = shift @arg;
659		961
660	while (my ($name, $id) = each %cb_id) {	962	while (my ($name, $id) = each %cb_id) {
…		…
689	_attach $registry, $klass, @attach;	991	_attach $registry, $klass, @attach;
690	}	992	}
691		993
692	$obj->{$name} = \%arg;	994	$obj->{$name} = \%arg;
693	} else {	995	} else {
694	warn "object uses attachment '$name' that is not available, postponing.\n";	996	warn "object uses attachment '$name' which is not available, postponing.\n";
695	}	997	}
696		998
697	$obj->{_attachment}{$name} = undef;	999	$obj->{_attachment}{$name} = undef;
698	}	1000	}
699		1001
…		…
701	if (ref $_[0]) {	1003	if (ref $_[0]) {
702	_object_attach @_;	1004	_object_attach @_;
703	} else {	1005	} else {
704	_attach shift->_attach_registry, @_;	1006	_attach shift->_attach_registry, @_;
705	}	1007	}
		1008	_recalc_want;
706	};	1009	};
707		1010
708	# all those should be optimised	1011	# all those should be optimised
709	sub cf::attachable::detach {	1012	sub cf::attachable::detach {
710	my ($obj, $name) = @_;	1013	my ($obj, $name) = @_;
…		…
713	delete $obj->{_attachment}{$name};	1016	delete $obj->{_attachment}{$name};
714	reattach ($obj);	1017	reattach ($obj);
715	} else {	1018	} else {
716	Carp::croak "cannot, currently, detach class attachments";	1019	Carp::croak "cannot, currently, detach class attachments";
717	}	1020	}
		1021	_recalc_want;
718	};	1022	};
719		1023
720	sub cf::attachable::attached {	1024	sub cf::attachable::attached {
721	my ($obj, $name) = @_;	1025	my ($obj, $name) = @_;
722		1026
…		…
737	";	1041	";
738	die if $@;	1042	die if $@;
739	}	1043	}
740		1044
741	our $override;	1045	our $override;
742	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?
743		1047
744	sub override {	1048	sub override {
745	$override = 1;	1049	$override = 1;
746	@invoke_results = ();	1050	@INVOKE_RESULTS = (@_);
747	}	1051	}
748		1052
749	sub do_invoke {	1053	sub do_invoke {
750	my $event = shift;	1054	my $event = shift;
751	my $callbacks = shift;	1055	my $callbacks = shift;
752		1056
753	@invoke_results = ();	1057	@INVOKE_RESULTS = ();
754		1058
755	local $override;	1059	local $override;
756		1060
757	for (@$callbacks) {	1061	for (@$callbacks) {
758	eval { &{$_->[1]} };	1062	eval { &{$_->[1]} };
…		…
767	}	1071	}
768		1072
769	0	1073	0
770	}	1074	}
771		1075
772	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1076	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
773		1077
774	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1078	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
775		1079
776	Generate an object-specific event with the given arguments.	1080	Generate an object-specific event with the given arguments.
777		1081
778	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
779	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
780	results (if you must, access C<@cf::invoke_results> directly).	1084	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
781		1085
782	=back	1086	=back
783		1087
784	=cut	1088	=cut
785		1089
786	#############################################################################	1090	#############################################################################
787	# 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	}
788		1134
789	sub reattach {	1135	sub reattach {
790	# basically do the same as instantiate, without calling instantiate	1136	# basically do the same as instantiate, without calling instantiate
791	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
792		1141
793	my $registry = $obj->registry;	1142	my $registry = $obj->registry;
794		1143
795	@$registry = ();	1144	@$registry = ();
796		1145
…		…
811	cf::attachable->attach (	1160	cf::attachable->attach (
812	prio => -1000000,	1161	prio => -1000000,
813	on_instantiate => sub {	1162	on_instantiate => sub {
814	my ($obj, $data) = @_;	1163	my ($obj, $data) = @_;
815		1164
816	$data = from_json $data;	1165	$data = decode_json $data;
817		1166
818	for (@$data) {	1167	for (@$data) {
819	my ($name, $args) = @$_;	1168	my ($name, $args) = @$_;
820		1169
821	$obj->attach ($name, %{$args || {} });	1170	$obj->attach ($name, %{$args || {} });
…		…
837	sub object_freezer_save {	1186	sub object_freezer_save {
838	my ($filename, $rdata, $objs) = @_;	1187	my ($filename, $rdata, $objs) = @_;
839		1188
840	sync_job {	1189	sync_job {
841	if (length $$rdata) {	1190	if (length $$rdata) {
		1191	utf8::decode (my $decname = $filename);
842	warn sprintf "saving %s (%d,%d)\n",	1192	warn sprintf "saving %s (%d,%d)\n",
843	$filename, length $$rdata, scalar @$objs;	1193	$decname, length $$rdata, scalar @$objs;
844		1194
845	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1195	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
846	chmod SAVE_MODE, $fh;	1196	aio_chmod $fh, SAVE_MODE;
847	aio_write $fh, 0, (length $$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;
848	aio_fsync $fh;	1200	aio_fsync $fh;
		1201	}
849	close $fh;	1202	aio_close $fh;
850		1203
851	if (@$objs) {	1204	if (@$objs) {
852	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) {
853	chmod SAVE_MODE, $fh;	1206	aio_chmod $fh, SAVE_MODE;
854	my $data = Storable::nfreeze { version => 1, objs => $objs };	1207	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
855	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;
856	aio_fsync $fh;	1211	aio_fsync $fh;
		1212	}
857	close $fh;	1213	aio_close $fh;
858	aio_rename "$filename.pst~", "$filename.pst";	1214	aio_rename "$filename.pst~", "$filename.pst";
859	}	1215	}
860	} else {	1216	} else {
861	aio_unlink "$filename.pst";	1217	aio_unlink "$filename.pst";
862	}	1218	}
863		1219
864	aio_rename "$filename~", $filename;	1220	aio_rename "$filename~", $filename;
		1221
		1222	$filename =~ s%/[^/]+$%%;
		1223	aio_pathsync $filename if $cf::USE_FSYNC;
865	} else {	1224	} else {
866	warn "FATAL: $filename~: $!\n";	1225	warn "unable to save objects: $filename~: $!\n";
867	}	1226	}
868	} else {	1227	} else {
869	aio_unlink $filename;	1228	aio_unlink $filename;
870	aio_unlink "$filename.pst";	1229	aio_unlink "$filename.pst";
871	}	1230	}
872	}	1231	};
873	}	1232	}
874		1233
875	sub object_freezer_as_string {	1234	sub object_freezer_as_string {
876	my ($rdata, $objs) = @_;	1235	my ($rdata, $objs) = @_;
877		1236
…		…
889	or return;	1248	or return;
890		1249
891	unless (aio_stat "$filename.pst") {	1250	unless (aio_stat "$filename.pst") {
892	(aio_load "$filename.pst", $av) >= 0	1251	(aio_load "$filename.pst", $av) >= 0
893	or return;	1252	or return;
		1253
894	$av = eval { (Storable::thaw $av)->{objs} };	1254	my $st = eval { Coro::Storable::thaw $av };
		1255	$av = $st->{objs};
895	}	1256	}
896		1257
		1258	utf8::decode (my $decname = $filename);
897	warn sprintf "loading %s (%d)\n",	1259	warn sprintf "loading %s (%d,%d)\n",
898	$filename, length $data, scalar @{$av || []};#d#	1260	$decname, length $data, scalar @{$av || []};
		1261
899	return ($data, $av);	1262	($data, $av)
900	}	1263	}
		1264
		1265	=head2 COMMAND CALLBACKS
		1266
		1267	=over 4
		1268
		1269	=cut
901		1270
902	#############################################################################	1271	#############################################################################
903	# command handling &c	1272	# command handling &c
904		1273
905	=item cf::register_command $name => \&callback($ob,$args);	1274	=item cf::register_command $name => \&callback($ob,$args);
…		…
918	push @{ $COMMAND{$name} }, [$caller, $cb];	1287	push @{ $COMMAND{$name} }, [$caller, $cb];
919	}	1288	}
920		1289
921	=item cf::register_extcmd $name => \&callback($pl,$packet);	1290	=item cf::register_extcmd $name => \&callback($pl,$packet);
922		1291
923	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.
924		1297
925	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
926	called.	1299	called.
927		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
928	=cut	1312	=cut
929		1313
930	sub register_extcmd {	1314	sub register_extcmd {
931	my ($name, $cb) = @_;	1315	my ($name, $cb) = @_;
932		1316
933	my $caller = caller;
934	#warn "registering extcmd '$name' to '$caller'";
935
936	$EXTCMD{$name} = [$cb, $caller];	1317	$EXTCMD{$name} = $cb;
937	}	1318	}
		1319
		1320	sub register_exticmd {
		1321	my ($name, $cb) = @_;
		1322
		1323	$EXTICMD{$name} = $cb;
		1324	}
		1325
		1326	use File::Glob ();
938		1327
939	cf::player->attach (	1328	cf::player->attach (
940	on_command => sub {	1329	on_unknown_command => sub {
941	my ($pl, $name, $params) = @_;	1330	my ($pl, $name, $params) = @_;
942		1331
943	my $cb = $COMMAND{$name}	1332	my $cb = $COMMAND{$name}
944	or return;	1333	or return;
945		1334
…		…
950	cf::override;	1339	cf::override;
951	},	1340	},
952	on_extcmd => sub {	1341	on_extcmd => sub {
953	my ($pl, $buf) = @_;	1342	my ($pl, $buf) = @_;
954		1343
955	my $msg = eval { from_json $buf };	1344	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
956		1345
957	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
958	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1354	if (my $cb = $EXTCMD{$type}) {
959	if (my %reply = $cb->[0]->($pl, $msg)) {	1355	@reply = $cb->($pl, @payload);
960	$pl->ext_reply ($msg->{msgid}, %reply);
961	}
962	}	1356	}
		1357
		1358	$pl->ext_reply ($reply, @reply)
		1359	if $reply;
		1360
963	} else {	1361	} else {
964	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1362	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965	}	1363	}
966		1364
967	cf::override;	1365	cf::override;
968	},	1366	},
969	);	1367	);
970		1368
971	sub register {	1369	# "readahead" all extensions
972	my ($base, $pkg) = @_;
973
974	#TODO
975	}
976
977	sub load_extension {	1370	sub cache_extensions {
978	my ($path) = @_;	1371	my $grp = IO::AIO::aio_group;
979		1372
980	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1373	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
981	my $base = $1;	1374	for (grep /\.ext$/, @{$_[0]}) {
982	my $pkg = $1;	1375	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
983	$pkg =~ s/[^[:word:]]/_/g;
984	$pkg = "ext::$pkg";
985
986	warn "loading '$path' into '$pkg'\n";
987
988	open my $fh, "<:utf8", $path
989	or die "$path: $!";
990
991	my $source =
992	"package $pkg; use strict; use utf8;\n"
993	. "#line 1 \"$path\"\n{\n"
994	. (do { local $/; <$fh> })
995	. "\n};\n1";
996
997	eval $source
998	or die $@ ? "$path: $@\n"
999	: "extension disabled.\n";
1000
1001	push @exts, $pkg;
1002	$ext_pkg{$base} = $pkg;
1003
1004	# no strict 'refs';
1005	# @{"$pkg\::ISA"} = ext::;
1006
1007	register $base, $pkg;
1008	}
1009
1010	sub unload_extension {
1011	my ($pkg) = @_;
1012
1013	warn "removing extension $pkg\n";
1014
1015	# remove hooks
1016	#TODO
1017	# for my $idx (0 .. $#PLUGIN_EVENT) {
1018	# delete $hook[$idx]{$pkg};
1019	# }
1020
1021	# remove commands
1022	for my $name (keys %COMMAND) {
1023	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025	if (@cb) {
1026	$COMMAND{$name} = \@cb;
1027	} else {
1028	delete $COMMAND{$name};
1029	}	1376	}
1030	}	1377	};
1031		1378
1032	# remove extcmds	1379	$grp
1033	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034	delete $EXTCMD{$name};
1035	}
1036
1037	if (my $cb = $pkg->can ("unload")) {
1038	eval {
1039	$cb->($pkg);
1040	1
1041	} or warn "$pkg unloaded, but with errors: $@";
1042	}
1043
1044	Symbol::delete_package $pkg;
1045	}	1380	}
1046		1381
1047	sub load_extensions {	1382	sub load_extensions {
		1383	cf::sync_job {
		1384	my %todo;
		1385
1048	for my $ext (<$LIBDIR/*.ext>) {	1386	for my $path (<$LIBDIR/*.ext>) {
1049	next unless -r $ext;	1387	next unless -r $path;
1050	eval {	1388
1051	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	}
1052	1	1452	}
1053	} 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	}
1054	}	1463	};
1055	}	1464	}
1056		1465
1057	#############################################################################	1466	#############################################################################
1058	# load/save/clean perl data associated with a map
1059		1467
1060	*cf::mapsupport::on_clean = sub {	1468	=back
		1469
		1470	=head2 CORE EXTENSIONS
		1471
		1472	Functions and methods that extend core deliantra objects.
		1473
		1474	=cut
		1475
		1476	package cf::player;
		1477
		1478	use Coro::AIO;
		1479
		1480	=head3 cf::player
		1481
		1482	=over 4
		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
		1498	=item cf::player::find $login
		1499
		1500	Returns the given player object, loading it if necessary (might block).
		1501
		1502	=cut
		1503
		1504	sub playerdir($) {
		1505	"$PLAYERDIR/"
		1506	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1507	}
		1508
		1509	sub path($) {
		1510	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1511
		1512	(playerdir $login) . "/playerdata"
		1513	}
		1514
		1515	sub find_active($) {
		1516	$cf::PLAYER{$_[0]}
		1517	and $cf::PLAYER{$_[0]}->active
		1518	and $cf::PLAYER{$_[0]}
		1519	}
		1520
		1521	sub exists($) {
1061	my ($map) = @_;	1522	my ($login) = @_;
1062		1523
1063	my $path = $map->tmpname;	1524	$cf::PLAYER{$login}
1064	defined $path or return;	1525	or !aio_stat path $login
1065
1066	unlink "$path.pst";
1067	};
1068
1069	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070
1071	#############################################################################
1072	# load/save perl data associated with player->ob objects
1073
1074	sub all_objects(@) {
1075	@_, map all_objects ($_->inv), @_
1076	}	1526	}
1077		1527
1078	# TODO: compatibility cruft, remove when no longer needed	1528	sub find($) {
		1529	return $cf::PLAYER{$_[0]} || do {
		1530	my $login = $_[0];
		1531
		1532	my $guard = cf::lock_acquire "user_find:$login";
		1533
		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	}
		1552	}
		1553	}
		1554
1079	cf::player->attach (	1555	cf::player->attach (
1080	on_load => sub {	1556	on_load => sub {
1081	my ($pl, $path) = @_;	1557	my ($pl, $path) = @_;
1082		1558
1083	for my $o (all_objects $pl->ob) {	1559	# restore slots saved in save, below
1084	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1560	my $slots = delete $pl->{_slots};
1085	$o->set_ob_key_value ("_perl_data");
1086		1561
1087	%$o = %{ Storable::thaw pack "H*", $value };	1562	$pl->ob->current_weapon ($slots->[0]);
1088	}	1563	$pl->combat_ob ($slots->[1]);
1089	}	1564	$pl->ranged_ob ($slots->[2]);
1090	},	1565	},
1091	);	1566	);
1092		1567
1093	#############################################################################	1568	sub save($) {
		1569	my ($pl) = @_;
1094		1570
1095	=head2 CORE EXTENSIONS	1571	return if $pl->{deny_save};
1096		1572
1097	Functions and methods that extend core crossfire objects.	1573	my $path = path $pl;
		1574	my $guard = cf::lock_acquire "user_save:$path";
1098		1575
1099	=head3 cf::player	1576	return if $pl->{deny_save};
		1577
		1578	aio_mkdir playerdir $pl, 0770;
		1579	$pl->{last_save} = $cf::RUNTIME;
		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
		1586	$pl->save_pl ($path);
		1587	cf::cede_to_tick;
		1588	}
		1589
		1590	sub new($) {
		1591	my ($login) = @_;
		1592
		1593	my $self = create;
		1594
		1595	$self->ob->name ($login);
		1596	$self->{deny_save} = 1;
		1597
		1598	$cf::PLAYER{$login} = $self;
		1599
		1600	$self
		1601	}
		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
		1620	sub quit_character {
		1621	my ($pl) = @_;
		1622
		1623	my $name = $pl->ob->name;
		1624
		1625	$pl->{deny_save} = 1;
		1626	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1627
		1628	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1629	$pl->deactivate;
		1630	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1631	$pl->ob->check_score;
		1632	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1633	$pl->ns->destroy if $pl->ns;
		1634
		1635	my $path = playerdir $pl;
		1636	my $temp = "$path~$cf::RUNTIME~deleting~";
		1637	aio_rename $path, $temp;
		1638	delete $cf::PLAYER{$pl->ob->name};
		1639	$pl->destroy;
		1640
		1641	my $prefix = qr<^~\Q$name\E/>;
		1642
		1643	# nuke player maps
		1644	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1645
		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;
		1689	}
		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
		1726	=item $player->ext_reply ($msgid, @msg)
		1727
		1728	Sends an ext reply to the player.
		1729
		1730	=cut
		1731
		1732	sub ext_reply($$@) {
		1733	my ($self, $id, @msg) = @_;
		1734
		1735	$self->ns->ext_reply ($id, @msg)
		1736	}
		1737
		1738	=item $player->ext_msg ($type, @msg)
		1739
		1740	Sends an ext event to the client.
		1741
		1742	=cut
		1743
		1744	sub ext_msg($$@) {
		1745	my ($self, $type, @msg) = @_;
		1746
		1747	$self->ns->ext_msg ($type, @msg);
		1748	}
		1749
		1750	=head3 cf::region
1100		1751
1101	=over 4	1752	=over 4
1102		1753
1103	=item cf::player::exists $login
1104
1105	Returns true when the given account exists.
1106
1107	=cut	1754	=cut
1108		1755
1109	sub cf::player::exists($) {	1756	package cf::region;
1110	cf::player::find $_[0]
1111	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1112	}
1113		1757
1114	=item $player->ext_reply ($msgid, $msgtype, %msg)	1758	=item cf::region::find_by_path $path
1115		1759
1116	Sends an ext reply to the player.	1760	Tries to decuce the likely region for a map knowing only its path.
1117		1761
1118	=cut	1762	=cut
1119		1763
1120	sub cf::player::ext_reply($$$%) {	1764	sub find_by_path($) {
1121	my ($self, $id, %msg) = @_;	1765	my ($path) = @_;
1122		1766
1123	$msg{msgid} = $id;	1767	my ($match, $specificity);
1124		1768
1125	$self->send ("ext " . to_json \%msg);	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
1126	}	1777	}
1127		1778
1128	=back	1779	=back
1129
1130		1780
1131	=head3 cf::map	1781	=head3 cf::map
1132		1782
1133	=over 4	1783	=over 4
1134		1784
…		…
1137	package cf::map;	1787	package cf::map;
1138		1788
1139	use Fcntl;	1789	use Fcntl;
1140	use Coro::AIO;	1790	use Coro::AIO;
1141		1791
		1792	use overload
		1793	'""' => \&as_string,
		1794	fallback => 1;
		1795
1142	our $MAX_RESET = 7200;	1796	our $MAX_RESET = 3600;
1143	our $DEFAULT_RESET = 3600;	1797	our $DEFAULT_RESET = 3000;
1144		1798
1145	sub generate_random_map {	1799	sub generate_random_map {
1146	my ($path, $rmp) = @_;	1800	my ($self, $rmp) = @_;
		1801
		1802	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1147		1803
1148	# mit "rum" bekleckern, nicht	1804	# mit "rum" bekleckern, nicht
1149	cf::map::_create_random_map	1805	$self->_create_random_map (
1150	$path,
1151	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1806	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1807	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1153	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1808	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154	$rmp->{exit_on_final_map},	1809	$rmp->{exit_on_final_map},
1155	$rmp->{xsize}, $rmp->{ysize},	1810	$rmp->{xsize}, $rmp->{ysize},
1156	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1811	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1812	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1813	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159	$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},
1160	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1815	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161	(cf::region::find $rmp->{region})	1816	(cf::region::find $rmp->{region}), $rmp->{custom}
		1817	)
1162	}	1818	}
1163		1819
1164	# and all this just because we cannot iterate over	1820	=item cf::map->register ($regex, $prio)
1165	# all maps in C++...
1166	sub change_all_map_light {
1167	my ($change) = @_;
1168		1821
1169	$_->change_map_light ($change)	1822	Register a handler for the map path matching the given regex at the
1170	for grep $_->outdoor, values %cf::MAP;	1823	givne priority (higher is better, built-in handlers have priority 0, the
1171	}	1824	default).
1172		1825
1173	sub try_load_header($) {	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 {
1174	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) = @_;
1175		1965
1176	utf8::encode $path;	1966	utf8::encode $path;
1177	aio_open $path, O_RDONLY, 0	1967	my $f = new_from_file cf::object::thawer $path
1178	or return;	1968	or return;
1179		1969
1180	my $map = cf::map::new	1970	$self->_load_header ($f)
1181	or return;	1971	or return;
1182		1972
1183	$map->load_header ($path)	1973	local $MAP_LOADING{$self->{path}} = $self;
		1974	$f->resolve_delayed_derefs;
		1975
		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
1184	or return;	2019	or return;
		2020	$self->prepare_orig;
		2021	}
1185		2022
1186	$map->{load_path} = $path;	2023	$self->{deny_reset} = 1
		2024	if $self->no_reset;
1187		2025
1188	$map	2026	$self->default_region (cf::region::find_by_path $self->{path})
1189	}	2027	unless $self->default_region;
1190		2028
		2029	1
		2030	}
		2031
1191	sub find_map;	2032	sub find;
1192	sub find_map {	2033	sub find {
1193	my ($path, $origin) = @_;	2034	my ($path, $origin) = @_;
1194		2035
1195	#warn "find_map<$path,$origin>\n";#d#
1196
1197	$path = new cf::path $path, $origin && $origin->path;	2036	$path = normalise $path, $origin && $origin->path;
1198	my $key = $path->as_string;
1199		2037
1200	cf::lock_wait "map_find:$key";	2038	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1201
1202	$cf::MAP{$key} || do {
1203	my $guard = cf::lock_acquire "map_find:$key";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
1204		2040
1205	# do it the slow way	2041	$cf::MAP{$path} || do {
1206	my $map = try_load_header $path->save_path;	2042	my $map = new_from_path cf::map $path
1207
1208	if ($map) {
1209	# safety
1210	$map->{instantiate_time} = $cf::RUNTIME
1211	if $map->{instantiate_time} > $cf::RUNTIME;
1212	} else {
1213	if (my $rmp = $path->random_map_params) {
1214	$map = generate_random_map $key, $rmp;
1215	} else {
1216	$map = try_load_header $path->load_path;
1217	}
1218
1219	$map or return;	2043	or return;
1220		2044
1221	$map->{load_original} = 1;
1222	$map->{instantiate_time} = $cf::RUNTIME;
1223	$map->instantiate;
1224
1225	# per-player maps become, after loading, normal maps
1226	$map->per_player (0) if $path->{user_rel};
1227	}
1228
1229	$map->path ($key);
1230	$map->{path} = $path;
1231	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1232	$map->last_access ($cf::RUNTIME);
1233		2046
1234	if ($map->should_reset) {	2047	$map->load_header
		2048	or return;
		2049
		2050	if ($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;
1235	$map->reset;	2055	$map->reset;
1236	undef $guard;	2056	return find $path;
1237	$map = find_map $path
1238	or return;
1239	}	2057	}
1240		2058
1241	$cf::MAP{$key} = $map	2059	$cf::MAP{$path} = $map
1242	}	2060	}
1243	}	2061	}
		2062
		2063	sub pre_load { }
		2064	#sub post_load { } # XS
1244		2065
1245	sub load {	2066	sub load {
1246	my ($self) = @_;	2067	my ($self) = @_;
1247		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1248	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1249	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2074	my $guard = cf::lock_acquire "map_data:$path";
1250		2075
		2076	return unless $self->valid;
1251	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1252		2078
1253	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1254		2080
1255	$self->alloc;	2081	$self->alloc;
1256	$self->load_objects ($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)
1257	or return;	2089	or return;
1258		2090
1259	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->post_load_original
1260	if delete $self->{load_original};	2092	if delete $self->{load_original};
1261		2093
1262	if (my $uniq = $path->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1263	utf8::encode $uniq;	2095	utf8::encode $uniq;
1264	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1265	$self->clear_unique_items;	2098	$self->clear_unique_items;
1266	$self->load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1267	}	2102	}
1268	}	2103	}
1269		2104
		2105	$f->resolve_delayed_derefs;
		2106
		2107	cf::cede_to_tick;
1270	# now do the right thing for maps	2108	# now do the right thing for maps
1271	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1272
1273	if ($self->{path}->is_style_map) {
1274	$self->{deny_save} = 1;
1275	$self->{deny_reset} = 1;
1276	} else {
1277	$self->fix_auto_apply;
1278	$self->decay_objects;
1279	$self->update_buttons;
1280	$self->set_darkness_map;
1281	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1282	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;
1283	$self->activate;	2119	$self->activate;
1284	}	2120	}
1285		2121
		2122	$self->{last_save} = $cf::RUNTIME;
		2123	$self->last_access ($cf::RUNTIME);
		2124
1286	$self->in_memory (cf::MAP_IN_MEMORY);	2125	$self->in_memory (cf::MAP_ACTIVE);
1287	}	2126	}
1288		2127
1289	sub load_map_sync {	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	$neigh->load;
		2169	}
		2170	}
		2171
		2172	sub find_sync {
1290	my ($path, $origin) = @_;	2173	my ($path, $origin) = @_;
1291		2174
1292	#warn "load_map_sync<$path, $origin>\n";#d#	2175	cf::sync_job { find $path, $origin }
		2176	}
1293		2177
		2178	sub do_load_sync {
		2179	my ($map) = @_;
		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
		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
1294	cf::sync_job {	2237	cf::async {
1295	my $map = cf::map::find_map $path, $origin	2238	$Coro::current->{desc} = "map player save";
1296	or return;	2239	$_->contr->save for $self->players;
1297	$map->load;	2240	};
1298	$map	2241
		2242	cf::get_slot 0.02;
		2243
		2244	if ($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);
1299	}	2249	}
1300	}	2250	}
1301		2251
1302	sub save {	2252	sub save {
1303	my ($self) = @_;	2253	my ($self) = @_;
1304		2254
1305	$self->{last_save} = $cf::RUNTIME;	2255	my $lock = cf::lock_acquire "map_data:$self->{path}";
1306		2256
1307	return unless $self->dirty;	2257	$self->_save;
1308
1309	my $save = $self->{path}->save_path; utf8::encode $save;
1310	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311
1312	$self->{load_path} = $save;
1313
1314	return if $self->{deny_save};
1315
1316	if ($uniq) {
1317	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318	$self->save_objects ($uniq, cf::IO_UNIQUES);
1319	} else {
1320	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1321	}
1322	}	2258	}
1323		2259
1324	sub swap_out {	2260	sub swap_out {
1325	my ($self) = @_;	2261	my ($self) = @_;
1326		2262
		2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2264
		2265	return if $self->in_memory != cf::MAP_ACTIVE;
		2266	return if $self->{deny_save};
1327	return if $self->players;	2267	return if $self->players;
1328	return if $self->in_memory != cf::MAP_IN_MEMORY;
1329	return if $self->{deny_save};
1330		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
1331	$self->save;	2275	$self->_save;
		2276
		2277	# then free the map
1332	$self->clear;	2278	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2279	}
1335		2280
1336	sub reset_at {	2281	sub reset_at {
1337	my ($self) = @_;	2282	my ($self) = @_;
1338		2283
1339	# TODO: safety, remove and allow resettable per-player maps	2284	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2285	return 1e99 if $self->{deny_reset};
1342		2286
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2287	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2288	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2289
…		…
1350	my ($self) = @_;	2294	my ($self) = @_;
1351		2295
1352	$self->reset_at <= $cf::RUNTIME	2296	$self->reset_at <= $cf::RUNTIME
1353	}	2297	}
1354		2298
1355	sub unlink_save {
1356	my ($self) = @_;
1357
1358	utf8::encode (my $save = $self->{path}->save_path);
1359	aioreq_pri 3; IO::AIO::aio_unlink $save;
1360	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361	}
1362
1363	sub rename {
1364	my ($self, $new_path) = @_;
1365
1366	$self->unlink_save;
1367
1368	delete $cf::MAP{$self->path};
1369	$self->{path} = new cf::path $new_path;
1370	$self->path ($self->{path}->as_string);
1371	$cf::MAP{$self->path} = $self;
1372
1373	$self->save;
1374	}
1375
1376	sub reset {	2299	sub reset {
1377	my ($self) = @_;	2300	my ($self) = @_;
1378		2301
		2302	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2303
1379	return if $self->players;	2304	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2305
1382	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	}
1383		2317
1384	delete $cf::MAP{$self->path};	2318	delete $cf::MAP{$self->path};
1385		2319
		2320	$self->deactivate;
1386	$_->clear_links_to ($self) for values %cf::MAP;	2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->clear;
1387		2323
1388	$self->unlink_save;	2324	$self->unlink_save;
1389	$self->destroy;	2325	$self->destroy;
1390	}	2326	}
1391		2327
1392	my $nuke_counter = "aaaa";	2328	my $nuke_counter = "aaaa";
1393		2329
1394	sub nuke {	2330	sub nuke {
1395	my ($self) = @_;	2331	my ($self) = @_;
1396		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};
1397	$self->{deny_save} = 1;	2342	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2343	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2344	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2345
		2346	$cf::MAP{$self->path} = $self;
		2347	}
		2348
1400	$self->reset; # polite request, might not happen	2349	$self->reset; # polite request, might not happen
1401	}	2350	}
1402		2351
1403	sub customise_for {	2352	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2353
1406	if ($map->per_player) {	2354	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	2355	maps. May block.
		2356
		2357	=cut
		2358
		2359	sub tmp_maps() {
1408	}	2360	[
1409		2361	map {
1410	$map	2362	utf8::decode $_;
		2363	/\.map$/
		2364	? normalise $_
		2365	: ()
		2366	} @{ aio_readdir $TMPDIR or [] }
		2367	]
1411	}	2368	}
1412		2369
1413	sub emergency_save {	2370	=item $maps = cf::map::random_maps
1414	local $cf::FREEZE = 1;
1415		2371
1416	warn "enter emergency map save\n";	2372	Returns an arrayref with all map paths of currently instantiated and saved
		2373	random maps. May block.
1417		2374
1418	cf::sync_job {	2375	=cut
1419	warn "begin emergency map save\n";	2376
1420	$_->save for values %cf::MAP;	2377	sub random_maps() {
		2378	[
		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;
1421	};	2434	}
1422		2435
1423	warn "end emergency map 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	}
1424	}	2491	}
1425		2492
1426	package cf;	2493	package cf;
1427		2494
1428	=back	2495	=back
1429
1430		2496
1431	=head3 cf::object::player	2497	=head3 cf::object::player
1432		2498
1433	=over 4	2499	=over 4
1434		2500
…		…
1437	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>
1438	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
1439	dialogue with the given NPC character.	2505	dialogue with the given NPC character.
1440		2506
1441	=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	};
1442		2522
1443	# rough implementation of a future "reply" method that works	2523	# rough implementation of a future "reply" method that works
1444	# with dialog boxes.	2524	# with dialog boxes.
1445	#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
1446	sub cf::object::player::reply($$$;$) {	2526	sub cf::object::player::reply($$$;$) {
…		…
1448		2528
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2529	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2530
1451	if ($self->{record_replies}) {	2531	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2532	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2533
1453	} 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 {
1454	$msg = $npc->name . " says: $msg" if $npc;	2542	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2543	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2544	}
1456	}	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 (@_);
1457	}	2556	}
1458		2557
1459	=item $player_object->may ("access")	2558	=item $player_object->may ("access")
1460		2559
1461	Returns wether the given player is authorized to access resource "access"	2560	Returns wether the given player is authorized to access resource "access"
…		…
1474		2573
1475	=item $player_object->enter_link	2574	=item $player_object->enter_link
1476		2575
1477	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}>).
1478		2577
1479	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.
1480	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.
1481		2584
1482	=item $player_object->leave_link ($map, $x, $y)	2585	=item $player_object->leave_link ($map, $x, $y)
1483		2586
1484	Moves the player out of the specila link map onto the given map. If the	2587	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2588	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2589	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2590	fails, to the emergency map position.
1488		2591
1489	Might block.	2592	Might block.
1490		2593
1491	=cut	2594	=cut
		2595
		2596	sub link_map {
		2597	unless ($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	$LINK_MAP
		2604	}
1492		2605
1493	sub cf::object::player::enter_link {	2606	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2607	my ($self) = @_;
1495		2608
1496	$self->deactivate_recursive;	2609	$self->deactivate_recursive;
1497		2610
1498	return if $self->map == $LINK_MAP;	2611	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2612
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2613	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2614	if $self->map && $self->map->{path} ne "{link}";
1502		2615
1503	$self->enter_map ($LINK_MAP, 20, 20);	2616	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1504	}	2617	}
1505		2618
1506	sub cf::object::player::leave_link {	2619	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2620	my ($self, $map, $x, $y) = @_;
		2621
		2622	return unless $self->contr->active;
1508		2623
1509	my $link_pos = delete $self->{_link_pos};	2624	my $link_pos = delete $self->{_link_pos};
1510		2625
1511	unless ($map) {	2626	unless ($map) {
1512	# restore original map position	2627	# restore original map position
1513	($map, $x, $y) = @{ $link_pos || [] };	2628	($map, $x, $y) = @{ $link_pos || [] };
1514	$map = cf::map::find_map $map;	2629	$map = cf::map::find $map;
1515		2630
1516	unless ($map) {	2631	unless ($map) {
1517	($map, $x, $y) = @$EMERGENCY_POSITION;	2632	($map, $x, $y) = @$EMERGENCY_POSITION;
1518	$map = cf::map::find_map $map	2633	$map = cf::map::find $map
1519	or die "FATAL: cannot load emergency map\n";	2634	or die "FATAL: cannot load emergency map\n";
1520	}	2635	}
1521	}	2636	}
1522		2637
1523	($x, $y) = (-1, -1)	2638	($x, $y) = (-1, -1)
1524	unless (defined $x) && (defined $y);	2639	unless (defined $x) && (defined $y);
1525		2640
1526	# use -1 or undef as default coordinates, not 0, 0	2641	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2642	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2643	if $x <= 0 && $y <= 0;
1529		2644
1530	$map->load;	2645	$map->load;
		2646	$map->load_neighbours;
1531		2647
		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
1532	$self->activate_recursive;	2654	$self->activate_recursive;
1533	$self->enter_map ($map, $x, $y);
1534	}	2655	}
1535		2656
1536	cf::player->attach (	2657	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1537	on_logout => sub {
1538	my ($pl) = @_;
1539		2658
1540	# abort map switching before logout	2659	Moves the player to the given map-path and coordinates by first freezing
1541	if ($pl->ob->{_link_pos}) {	2660	her, loading and preparing them map, calling the provided $check callback
1542	cf::sync_job {	2661	that has to return the map if sucecssful, and then unfreezes the player on
1543	$pl->ob->leave_link	2662	the new (success) or old (failed) map position. In either case, $done will
1544	};	2663	be called at the end of this process.
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2664
1550	# try to abort aborted map switching on player login :)	2665	Note that $check will be called with a potentially non-loaded map, so if
1551	# should happen only on crashes	2666	it needs a loaded map it has to call C<< ->load >>.
1552	if ($pl->ob->{_link_pos}) {
1553	$pl->ob->enter_link;
1554	cf::async {
1555	# we need this sleep as the login has a concurrent enter_exit running
1556	# and this sleep increases chances of the player not ending up in scorn
1557	Coro::Timer::sleep 1;
1558	$pl->ob->leave_link;
1559	};
1560	}
1561	},
1562	);
1563		2667
1564	=item $player_object->goto_map ($path, $x, $y)
1565
1566	=cut	2668	=cut
1567		2669
		2670	our $GOTOGEN;
		2671
1568	sub cf::object::player::goto_map {	2672	sub cf::object::player::goto {
1569	my ($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;
1570		2677
1571	$self->enter_link;	2678	$self->enter_link;
1572		2679
1573	(cf::async {	2680	(async {
1574	$path = new cf::path $path;	2681	$Coro::current->{desc} = "player::goto $path $x $y";
1575		2682
1576	my $map = cf::map::find_map $path->as_string;	2683	# *tag paths override both path and x|y
		2684	if ($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) {
1577	$map = $map->customise_for ($self) if $map;	2706	$map = $map->customise_for ($self);
1578		2707	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2708	} else {
1580	# if $map;
1581
1582	$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	}
1583		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};
1584	$self->leave_link ($map, $x, $y);	2722	$self->leave_link ($map, $x, $y);
		2723	}
		2724
		2725	$done->() if $done;
1585	})->prio (1);	2726	})->prio (1);
1586	}	2727	}
1587		2728
1588	=item $player_object->enter_exit ($exit_object)	2729	=item $player_object->enter_exit ($exit_object)
1589		2730
…		…
1591		2732
1592	sub parse_random_map_params {	2733	sub parse_random_map_params {
1593	my ($spec) = @_;	2734	my ($spec) = @_;
1594		2735
1595	my $rmp = { # defaults	2736	my $rmp = { # defaults
1596	xsize => 10,	2737	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2738	ysize => (cf::rndm 15, 40),
		2739	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2740	#layout => string,
1598	};	2741	};
1599		2742
1600	for (split /\n/, $spec) {	2743	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2744	my ($k, $v) = split /\s+/, $_, 2;
1602		2745
…		…
1614	# that depends on the exit object	2757	# that depends on the exit object
1615		2758
1616	my $rmp = parse_random_map_params $exit->msg;	2759	my $rmp = parse_random_map_params $exit->msg;
1617		2760
1618	if ($exit->map) {	2761	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2762	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2763	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2764	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2765	$rmp->{origin_y} = $exit->y;
		2766
		2767	$exit->map->touch;
1623	}	2768	}
1624		2769
1625	$rmp->{random_seed} ||= $exit->random_seed;	2770	$rmp->{random_seed} ||= $exit->random_seed;
1626		2771
1627	my $data = cf::to_json $rmp;	2772	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1628	my $md5 = Digest::MD5::md5_hex $data;	2773	my $md5 = Digest::MD5::md5_hex $data;
		2774	my $meta = "$RANDOMDIR/$md5.meta";
1629		2775
1630	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) {
1631	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;
1632		2780
		2781	my $slaying = "?random/$md5";
		2782
		2783	if ($exit->valid) {
1633	$exit->slaying ("?random/$md5");	2784	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2785	$exit->msg (undef);
		2786	}
1635	}	2787	}
1636	}	2788	}
1637		2789
1638	sub cf::object::player::enter_exit {	2790	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2791	my ($self, $exit) = @_;
1640		2792
1641	return unless $self->type == cf::PLAYER;	2793	return unless $self->type == cf::PLAYER;
1642		2794
1643	$self->enter_link;	2795	$self->enter_link;
1644		2796
1645	(cf::async {	2797	(async {
		2798	$Coro::current->{desc} = "enter_exit";
		2799
1646	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
1647	prepare_random_map $exit	2807	prepare_random_map $exit
1648	if $exit->slaying eq "/!";	2808	if $exit->slaying eq "/!";
		2809	}
1649		2810
1650	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;
1651	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2812	my $x = $exit->stats->hp;
		2813	my $y = $exit->stats->sp;
1652		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
1653	1;	2821	1
1654	}) {	2822	}) {
1655	$self->message ("Something went wrong deep within the crossfire server. "	2823	$self->message ("Something went wrong deep within the deliantra server. "
1656	. "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. "
1657	. "Please report this to the dungeon master",	2825	. "Please report this to the dungeon master!",
1658	cf::NDI_UNIQUE | cf::NDI_RED);	2826	cf::NDI_UNIQUE | cf::NDI_RED);
1659		2827
1660	warn "ERROR in enter_exit: $@";	2828	warn "ERROR in enter_exit: $@";
1661	$self->leave_link;	2829	$self->leave_link;
1662	}	2830	}
1663	})->prio (1);	2831	})->prio (1);
…		…
1676		2844
1677	sub cf::client::send_drawinfo {	2845	sub cf::client::send_drawinfo {
1678	my ($self, $text, $flags) = @_;	2846	my ($self, $text, $flags) = @_;
1679		2847
1680	utf8::encode $text;	2848	utf8::encode $text;
1681	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2849	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1682	}	2850	}
1683		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	}
1684		3073
1685	=item $success = $client->query ($flags, "text", \&cb)	3074	=item $success = $client->query ($flags, "text", \&cb)
1686		3075
1687	Queues a query to the client, calling the given callback with	3076	Queues a query to the client, calling the given callback with
1688	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>,
1689	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>.
1690		3079
1691	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
1692	reliable at some point in the future.	3081	become reliable at some point in the future.
1693		3082
1694	=cut	3083	=cut
1695		3084
1696	sub cf::client::query {	3085	sub cf::client::query {
1697	my ($self, $flags, $text, $cb) = @_;	3086	my ($self, $flags, $text, $cb) = @_;
…		…
1705	utf8::encode $text;	3094	utf8::encode $text;
1706	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3095	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1707		3096
1708	$self->send_packet ($self->{query_queue}[0][0])	3097	$self->send_packet ($self->{query_queue}[0][0])
1709	if @{ $self->{query_queue} } == 1;	3098	if @{ $self->{query_queue} } == 1;
		3099
		3100	1
1710	}	3101	}
1711		3102
1712	cf::client->attach (	3103	cf::client->attach (
		3104	on_connect => sub {
		3105	my ($ns) = @_;
		3106
		3107	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3108	},
1713	on_reply => sub {	3109	on_reply => sub {
1714	my ($ns, $msg) = @_;	3110	my ($ns, $msg) = @_;
1715		3111
1716	# this weird shuffling is so that direct followup queries	3112	# this weird shuffling is so that direct followup queries
1717	# get handled first	3113	# get handled first
1718	my $queue = delete $ns->{query_queue};	3114	my $queue = delete $ns->{query_queue}
		3115	or return; # be conservative, not sure how that can happen, but we saw a crash here
1719		3116
1720	(shift @$queue)->[1]->($msg);	3117	(shift @$queue)->[1]->($msg);
		3118	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1721		3119
1722	push @{ $ns->{query_queue} }, @$queue;	3120	push @{ $ns->{query_queue} }, @$queue;
1723		3121
1724	if (@{ $ns->{query_queue} } == @$queue) {	3122	if (@{ $ns->{query_queue} } == @$queue) {
1725	if (@$queue) {	3123	if (@$queue) {
…		…
1727	} else {	3125	} else {
1728	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3126	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1729	}	3127	}
1730	}	3128	}
1731	},	3129	},
		3130	on_exticmd => sub {
		3131	my ($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	},
1732	);	3156	);
1733		3157
1734	=item $client->coro (\&cb)	3158	=item $client->async (\&cb)
1735		3159
1736	Create a new coroutine, running the specified callback. The coroutine will	3160	Create a new coroutine, running the specified callback. The coroutine will
1737	be automatically cancelled when the client gets destroyed (e.g. on logout,	3161	be automatically cancelled when the client gets destroyed (e.g. on logout,
1738	or loss of connection).	3162	or loss of connection).
1739		3163
1740	=cut	3164	=cut
1741		3165
1742	sub cf::client::coro {	3166	sub cf::client::async {
1743	my ($self, $cb) = @_;	3167	my ($self, $cb) = @_;
1744		3168
1745	my $coro = &cf::async ($cb);	3169	my $coro = &Coro::async ($cb);
1746		3170
1747	$coro->on_destroy (sub {	3171	$coro->on_destroy (sub {
1748	delete $self->{_coro}{$coro+0};	3172	delete $self->{_coro}{$coro+0};
1749	});	3173	});
1750		3174
…		…
1752		3176
1753	$coro	3177	$coro
1754	}	3178	}
1755		3179
1756	cf::client->attach (	3180	cf::client->attach (
1757	on_destroy => sub {	3181	on_client_destroy => sub {
1758	my ($ns) = @_;	3182	my ($ns) = @_;
1759		3183
1760	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3184	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1761	},	3185	},
1762	);	3186	);
…		…
1777	our $safe = new Safe "safe";	3201	our $safe = new Safe "safe";
1778	our $safe_hole = new Safe::Hole;	3202	our $safe_hole = new Safe::Hole;
1779		3203
1780	$SIG{FPE} = 'IGNORE';	3204	$SIG{FPE} = 'IGNORE';
1781		3205
1782	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3206	$safe->permit_only (Opcode::opset qw(
		3207	:base_core :base_mem :base_orig :base_math :base_loop
		3208	grepstart grepwhile mapstart mapwhile
		3209	sort time
		3210	));
1783		3211
1784	# here we export the classes and methods available to script code	3212	# here we export the classes and methods available to script code
1785		3213
1786	=pod	3214	=pod
1787		3215
1788	The following fucntions and emthods are available within a safe environment:	3216	The following functions and methods are available within a safe environment:
1789		3217
1790	cf::object contr pay_amount pay_player map	3218	cf::object
		3219	contr pay_amount pay_player map x y force_find force_add destroy
		3220	insert remove name archname title slaying race decrease split
		3221	value
		3222
1791	cf::object::player player	3223	cf::object::player
1792	cf::player peaceful	3224	player
1793	cf::map trigger	3225
		3226	cf::player
		3227	peaceful
		3228
		3229	cf::map
		3230	trigger
1794		3231
1795	=cut	3232	=cut
1796		3233
1797	for (	3234	for (
1798	["cf::object" => qw(contr pay_amount pay_player map)],	3235	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3236	insert remove inv nrof name archname title slaying race
		3237	decrease split destroy change_exp value msg lore send_msg)],
1799	["cf::object::player" => qw(player)],	3238	["cf::object::player" => qw(player)],
1800	["cf::player" => qw(peaceful)],	3239	["cf::player" => qw(peaceful send_msg)],
1801	["cf::map" => qw(trigger)],	3240	["cf::map" => qw(trigger)],
1802	) {	3241	) {
1803	no strict 'refs';	3242	no strict 'refs';
1804	my ($pkg, @funs) = @$_;	3243	my ($pkg, @funs) = @$_;
1805	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3244	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1823		3262
1824	my $qcode = $code;	3263	my $qcode = $code;
1825	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3264	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1826	$qcode =~ s/\n/\\n/g;	3265	$qcode =~ s/\n/\\n/g;
1827		3266
		3267	%vars = (_dummy => 0) unless %vars;
		3268
		3269	my @res;
1828	local $_;	3270	local $_;
1829	local @safe::cf::_safe_eval_args = values %vars;
1830		3271
1831	my $eval =	3272	my $eval =
1832	"do {\n"	3273	"do {\n"
1833	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3274	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1834	. "#line 0 \"{$qcode}\"\n"	3275	. "#line 0 \"{$qcode}\"\n"
1835	. $code	3276	. $code
1836	. "\n}"	3277	. "\n}"
1837	;	3278	;
1838		3279
		3280	if ($CFG{safe_eval}) {
1839	sub_generation_inc;	3281	sub_generation_inc;
		3282	local @safe::cf::_safe_eval_args = values %vars;
1840	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3283	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1841	sub_generation_inc;	3284	sub_generation_inc;
		3285	} else {
		3286	local @cf::_safe_eval_args = values %vars;
		3287	@res = wantarray ? eval eval : scalar eval $eval;
		3288	}
1842		3289
1843	if ($@) {	3290	if ($@) {
1844	warn "$@";	3291	warn "$@";
1845	warn "while executing safe code '$code'\n";	3292	warn "while executing safe code '$code'\n";
1846	warn "with arguments " . (join " ", %vars) . "\n";	3293	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1865	=cut	3312	=cut
1866		3313
1867	sub register_script_function {	3314	sub register_script_function {
1868	my ($fun, $cb) = @_;	3315	my ($fun, $cb) = @_;
1869		3316
1870	no strict 'refs';	3317	$fun = "safe::$fun" if $CFG{safe_eval};
1871	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3318	*$fun = $safe_hole->wrap ($cb);
1872	}	3319	}
1873		3320
1874	=back	3321	=back
1875		3322
1876	=cut	3323	=cut
1877		3324
1878	#############################################################################	3325	#############################################################################
		3326	# the server's init and main functions
1879		3327
1880	=head2 EXTENSION DATABASE SUPPORT	3328	sub load_facedata($) {
		3329	my ($path) = @_;
1881		3330
1882	Crossfire maintains a very simple database for extension use. It can	3331	# HACK to clear player env face cache, we need some signal framework
1883	currently store anything that can be serialised using Storable, which	3332	# for this (global event?)
1884	excludes objects.	3333	%ext::player_env::MUSIC_FACE_CACHE = ();
1885		3334
1886	The parameter C<$family> should best start with the name of the extension	3335	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1887	using it, it should be unique.
1888		3336
1889	=over 4	3337	warn "loading facedata from $path\n";
1890		3338
1891	=item $hashref = cf::db_get $family	3339	my $facedata;
		3340	0 < aio_load $path, $facedata
		3341	or die "$path: $!";
1892		3342
1893	Return a hashref for use by the extension C<$family>, which can be	3343	$facedata = Coro::Storable::thaw $facedata;
1894	modified. After modifications, you have to call C<cf::db_dirty> or
1895	C<cf::db_sync>.
1896		3344
1897	=item $value = cf::db_get $family => $key	3345	$facedata->{version} == 2
		3346	or cf::cleanup "$path: version mismatch, cannot proceed.";
1898		3347
1899	Returns a single value from the database	3348	# patch in the exptable
1900		3349	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1901	=item cf::db_put $family => $hashref	3350	$facedata->{resource}{"res/exp_table"} = {
1902		3351	type => FT_RSRC,
1903	Stores the given family hashref into the database. Updates are delayed, if	3352	data => $exp_table,
1904	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3353	hash => (Digest::MD5::md5 $exp_table),
1905
1906	=item cf::db_put $family => $key => $value
1907
1908	Stores the given C<$value> in the family hash. Updates are delayed, if you
1909	want the data to be synced to disk immediately, use C<cf::db_sync>.
1910
1911	=item cf::db_dirty
1912
1913	Marks the database as dirty, to be updated at a later time.
1914
1915	=item cf::db_sync
1916
1917	Immediately write the database to disk I<if it is dirty>.
1918
1919	=cut
1920
1921	our $DB;
1922
1923	{
1924	my $path = cf::localdir . "/database.pst";
1925
1926	sub db_load() {
1927	$DB = stat $path ? Storable::retrieve $path : { };
1928	}
1929
1930	my $pid;
1931
1932	sub db_save() {
1933	waitpid $pid, 0 if $pid;
1934	if (0 == ($pid = fork)) {
1935	$DB->{_meta}{version} = 1;
1936	Storable::nstore $DB, "$path~";
1937	rename "$path~", $path;
1938	cf::_exit 0 if defined $pid;
1939	}
1940	}
1941
1942	my $dirty;
1943
1944	sub db_sync() {
1945	db_save if $dirty;
1946	undef $dirty;
1947	}
1948
1949	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1950	db_sync;
1951	});	3354	};
		3355	cf::cede_to_tick;
1952		3356
1953	sub db_dirty() {
1954	$dirty = 1;
1955	$idle->start;
1956	}	3357	{
		3358	my $faces = $facedata->{faceinfo};
1957		3359
1958	sub db_get($;$) {	3360	while (my ($face, $info) = each %$faces) {
1959	@_ >= 2	3361	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1960	? $DB->{$_[0]}{$_[1]}
1961	: ($DB->{$_[0]} ||= { })
1962	}
1963		3362
1964	sub db_put($$;$) {	3363	cf::face::set_visibility $idx, $info->{visibility};
1965	if (@_ >= 3) {	3364	cf::face::set_magicmap $idx, $info->{magicmap};
1966	$DB->{$_[0]}{$_[1]} = $_[2];	3365	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1967	} else {	3366	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1968	$DB->{$_[0]} = $_[1];
1969	}
1970	db_dirty;
1971	}
1972		3367
1973	cf::global->attach (	3368	cf::cede_to_tick;
1974	prio => 10000,
1975	on_cleanup => sub {
1976	db_sync;
1977	},	3369	}
1978	);
1979	}
1980		3370
1981	#############################################################################	3371	while (my ($face, $info) = each %$faces) {
1982	# the server's main()	3372	next unless $info->{smooth};
1983		3373
1984	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
1985	open my $fh, "<:utf8", cf::confdir . "/config"	3502	open my $fh, "<:utf8", "$CONFDIR/config"
1986	or return;	3503	or return;
1987		3504
1988	local $/;	3505	local $/;
1989	*CFG = YAML::Syck::Load <$fh>;	3506	*CFG = YAML::XS::Load scalar <$fh>;
		3507
		3508	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3509
		3510	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3511	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		3512
		3513	if (exists $CFG{mlockall}) {
		3514	eval {
		3515	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		3516	and die "WARNING: m(un)lockall failed: $!\n";
		3517	};
		3518	warn $@ if $@;
		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;
1990	}	3550	}
1991		3551
1992	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
1993	# we must not ever block the main coroutine	3562	# we must not ever block the main coroutine
1994	local $Coro::idle = sub {	3563	local $Coro::idle = sub {
1995	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#
1996	(Coro::unblock_sub {	3565	(async {
1997	Event::one_event;	3566	$Coro::current->{desc} = "IDLE BUG HANDLER";
1998	})->();	3567	EV::loop EV::LOOP_ONESHOT;
		3568	})->prio (Coro::PRIO_MAX);
1999	};	3569	};
2000		3570
2001	cfg_load;	3571	evthread_start IO::AIO::poll_fileno;
2002	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
2003	load_extensions;	3594	load_extensions;
2004	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;
2005	}	3609	}
2006		3610
2007	#############################################################################	3611	#############################################################################
2008	# initialisation	3612	# initialisation and cleanup
2009		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
2010	sub reload() {	3795	sub do_reload_perl() {
2011	# can/must only be called in main	3796	# can/must only be called in main
2012	if ($Coro::current != $Coro::main) {	3797	if ($Coro::current != $Coro::main) {
2013	warn "can only reload from main coroutine\n";	3798	warn "can only reload from main coroutine";
2014	return;	3799	return;
2015	}	3800	}
2016		3801
		3802	return if $RELOAD++;
		3803
		3804	my $t1 = AE::time;
		3805
		3806	while ($RELOAD) {
2017	warn "reloading...";	3807	warn "reloading...";
2018		3808
2019	local $FREEZE = 1;	3809	warn "entering sync_job";
		3810
		3811	cf::sync_job {
		3812	cf::write_runtime_sync; # external watchdog should not bark
2020	cf::emergency_save;	3813	cf::emergency_save;
		3814	cf::write_runtime_sync; # external watchdog should not bark
2021		3815
2022	eval {	3816	warn "syncing database to disk";
		3817	BDB::db_env_txn_checkpoint $DB_ENV;
		3818
2023	# 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
2024		3820
2025	# cancel all watchers	3821	warn "flushing outstanding aio requests";
2026	for (Event::all_watchers) {	3822	while (IO::AIO::nreqs || BDB::nreqs) {
2027	$_->cancel if $_->data & WF_AUTOCANCEL;	3823	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2028	}
2029
2030	# cancel all extension coros
2031	$_->cancel for values %EXT_CORO;
2032	%EXT_CORO = ();
2033
2034	# unload all extensions
2035	for (@exts) {
2036	warn "unloading <$_>";
2037	unload_extension $_;
2038	}
2039
2040	# unload all modules loaded from $LIBDIR
2041	while (my ($k, $v) = each %INC) {
2042	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2043
2044	warn "removing <$k>";
2045	delete $INC{$k};
2046
2047	$k =~ s/\.pm$//;
2048	$k =~ s/\//::/g;
2049
2050	if (my $cb = $k->can ("unload_module")) {
2051	$cb->();
2052	}	3824	}
2053		3825
2054	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;
2055	}	3850	}
2056		3851
2057	# sync database to disk	3852	warn "unloading all perl modules loaded from $LIBDIR";
2058	cf::db_sync;	3853	while (my ($k, $v) = each %INC) {
2059	IO::AIO::flush;	3854	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060		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 $k;
		3867	}
		3868
2061	# get rid of safe::, as good as possible	3869	warn "getting rid of safe::, as good as possible";
2062	Symbol::delete_package "safe::$_"	3870	clear_package "safe::$_"
2063	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);
2064		3872
2065	# remove register_script_function callbacks	3873	warn "unloading cf.pm \"a bit\"";
2066	# TODO
2067
2068	# unload cf.pm "a bit"
2069	delete $INC{"cf.pm"};	3874	delete $INC{"cf.pm"};
		3875	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2070		3876
2071	# don't, removes xs symbols, too,	3877	# don't, removes xs symbols, too,
2072	# and global variables created in xs	3878	# and global variables created in xs
2073	#Symbol::delete_package __PACKAGE__;	3879	#clear_package __PACKAGE__;
2074		3880
2075	# reload cf.pm	3881	warn "unload completed, starting to reload now";
		3882
2076	warn "reloading cf.pm";	3883	warn "reloading cf.pm";
2077	require cf;	3884	require cf;
2078	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3885	cf::_connect_to_perl_1;
2079		3886
2080	# load config and database again	3887	warn "loading config and database again";
2081	cf::cfg_load;	3888	cf::reload_config;
2082	cf::db_load;
2083		3889
2084	# load extensions
2085	warn "load extensions";	3890	warn "loading extensions";
2086	cf::load_extensions;	3891	cf::load_extensions;
2087		3892
2088	# reattach attachments to objects	3893	if ($REATTACH_ON_RELOAD) {
		3894	warn "reattaching attachments to objects/players";
		3895	_global_reattach; # objects, sockets
		3896	warn "reattaching attachments to maps";
		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 $@;
		3910	cf::cleanup "error while reloading, exiting.";
		3911	};
		3912
2089	warn "reattach";	3913	warn "reloaded";
2090	_global_reattach;	3914	--$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 $RELOAD_WATCHER;
		3933	};
2091	};	3934	};
2092
2093	if ($@) {
2094	warn $@;
2095	warn "error while reloading, exiting.";
2096	exit 1;
2097	}
2098
2099	warn "reloaded successfully";
2100	};
2101
2102	#############################################################################
2103
2104	unless ($LINK_MAP) {
2105	$LINK_MAP = cf::map::new;
2106
2107	$LINK_MAP->width (41);
2108	$LINK_MAP->height (41);
2109	$LINK_MAP->alloc;
2110	$LINK_MAP->path ("{link}");
2111	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2112	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2113
2114	# dirty hack because... archetypes are not yet loaded
2115	Event->timer (
2116	after => 2,
2117	cb => sub {
2118	$_[0]->w->cancel;
2119
2120	# provide some exits "home"
2121	my $exit = cf::object::new "exit";
2122
2123	$exit->slaying ($EMERGENCY_POSITION->[0]);
2124	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2125	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2126
2127	$LINK_MAP->insert ($exit->clone, 19, 19);
2128	$LINK_MAP->insert ($exit->clone, 19, 20);
2129	$LINK_MAP->insert ($exit->clone, 19, 21);
2130	$LINK_MAP->insert ($exit->clone, 20, 19);
2131	$LINK_MAP->insert ($exit->clone, 20, 21);
2132	$LINK_MAP->insert ($exit->clone, 21, 19);
2133	$LINK_MAP->insert ($exit->clone, 21, 20);
2134	$LINK_MAP->insert ($exit->clone, 21, 21);
2135
2136	$exit->destroy;
2137	});
2138
2139	$LINK_MAP->{deny_save} = 1;
2140	$LINK_MAP->{deny_reset} = 1;
2141
2142	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2143	}	3935	}
2144
2145	register "<global>", __PACKAGE__;
2146		3936
2147	register_command "reload" => sub {	3937	register_command "reload" => sub {
2148	my ($who, $arg) = @_;	3938	my ($who, $arg) = @_;
2149		3939
2150	if ($who->flag (FLAG_WIZ)) {	3940	if ($who->flag (FLAG_WIZ)) {
2151	$who->message ("start of reload.");
2152	reload;
2153	$who->message ("end of reload.");	3941	$who->message ("reloading server.");
		3942	async {
		3943	$Coro::current->{desc} = "perl_reload";
		3944	reload_perl;
		3945	};
2154	}	3946	}
2155	};	3947	};
2156		3948
2157	unshift @INC, $LIBDIR;	3949	unshift @INC, $LIBDIR;
2158		3950
2159	$TICK_WATCHER = Event->timer (	3951	my $bug_warning = 0;
2160	reentrant => 0,	3952
2161	prio => 0,	3953	our @WAIT_FOR_TICK;
2162	at => $NEXT_TICK || $TICK,	3954	our @WAIT_FOR_TICK_BEGIN;
2163	data => WF_AUTOCANCEL,	3955
2164	cb => sub {	3956	sub wait_for_tick {
2165	unless ($FREEZE) {	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
2166	cf::server_tick; # one server iteration	3979	cf::server_tick; # one server iteration
2167	$RUNTIME += $TICK;
2168	}
2169		3980
2170	$NEXT_TICK += $TICK;	3981	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2171		3982
2172	# if we are delayed by four ticks or more, skip them all	3983	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2173	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3984	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2174		3985	Coro::async_pool {
2175	$TICK_WATCHER->at ($NEXT_TICK);	3986	$Coro::current->{desc} = "runtime saver";
2176	$TICK_WATCHER->start;
2177	},
2178	);
2179
2180	IO::AIO::max_poll_time $TICK * 0.2;
2181
2182	Event->io (
2183	fd => IO::AIO::poll_fileno,
2184	poll => 'r',
2185	prio => 5,
2186	data => WF_AUTOCANCEL,
2187	cb => \&IO::AIO::poll_cb,
2188	);
2189
2190	Event->timer (
2191	data => WF_AUTOCANCEL,
2192	after => 0,
2193	interval => 10,
2194	cb => sub {
2195	(Coro::unblock_sub {
2196	write_runtime	3987	write_runtime_sync
2197	or warn "ERROR: unable to write runtime file: $!";	3988	or warn "ERROR: unable to write runtime file: $!";
2198	})->();	3989	};
2199	},	3990	}
2200	);	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;
2201		4106
2202	END { cf::emergency_save }	4107	END { cf::emergency_save }
2203		4108
2204	1	4109	1
2205		4110

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines