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 1.135 by root, Thu Jan 4 20:29:46 2007 UTC vs.
Revision 1.525 by root, Wed Apr 21 03:34:26 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 $RANDOM_MAPS = cf::localdir . "/random";	136	our $LINK_MAP; # the special {link} map, which is always available
55	our %EXT_CORO;	137
		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 $REALLY_UNLOOP; # never set to true, please :)
56		150
57	binmode STDOUT;	151	binmode STDOUT;
58	binmode STDERR;	152	binmode STDERR;
59		153
60	# read virtual server time, if available	154	# read virtual server time, if available
61	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	155	unless ($RUNTIME || !-e $RUNTIMEFILE) {
62	open my $fh, "<", cf::localdir . "/runtime"	156	open my $fh, "<", $RUNTIMEFILE
63	or die "unable to read runtime file: $!";	157	or die "unable to read $RUNTIMEFILE file: $!";
64	$RUNTIME = <$fh> + 0.;	158	$RUNTIME = <$fh> + 0.;
65	}	159	}
66		160
67	mkdir cf::localdir;	161	eval "sub TICK() { $TICK } 1" or die;
68	mkdir cf::localdir . "/" . cf::playerdir;
69	mkdir cf::localdir . "/" . cf::tmpdir;
70	mkdir cf::localdir . "/" . cf::uniquedir;
71	mkdir $RANDOM_MAPS;
72		162
73	# a special map that is always available	163	mkdir $_
74	our $LINK_MAP;	164	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		165
75	our $EMERGENCY_POSITION;	166	our $EMERGENCY_POSITION;
		167
		168	sub cf::map::normalise;
		169
		170	sub in_main() {
		171	$Coro::current == $Coro::main
		172	}
		173
		174	#############################################################################
		175
		176	%REFLECT = ();
		177	for (@REFLECT) {
		178	my $reflect = JSON::XS::decode_json $_;
		179	$REFLECT{$reflect->{class}} = $reflect;
		180	}
		181
		182	# this is decidedly evil
		183	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
76		184
77	#############################################################################	185	#############################################################################
78		186
79	=head2 GLOBAL VARIABLES	187	=head2 GLOBAL VARIABLES
80		188
…		…
87	=item $cf::RUNTIME	195	=item $cf::RUNTIME
88		196
89	The time this server has run, starts at 0 and is increased by $cf::TICK on	197	The time this server has run, starts at 0 and is increased by $cf::TICK on
90	every server tick.	198	every server tick.
91		199
92	=item $cf::LIBDIR	200	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		201	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		202	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
93		203
94	The perl library directory, where extensions and cf-specific modules can	204	Various directories - "/etc", read-only install directory, perl-library
95	be found. It will be added to C<@INC> automatically.	205	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		206	unique-items directory, player file directory, random maps directory and
		207	database environment.
96		208
97	=item $cf::NOW	209	=item $cf::NOW
98		210
99	The time of the last (current) server tick.	211	The time of the last (current) server tick.
100		212
101	=item $cf::TICK	213	=item $cf::TICK
102		214
103	The interval between server ticks, in seconds.	215	The interval between server ticks, in seconds.
104		216
		217	=item $cf::LOADAVG
		218
		219	The current CPU load on the server (alpha-smoothed), as a value between 0
		220	(none) and 1 (overloaded), indicating how much time is spent on processing
		221	objects per tick. Healthy values are < 0.5.
		222
		223	=item $cf::LOAD
		224
		225	The raw value load value from the last tick.
		226
105	=item %cf::CFG	227	=item %cf::CFG
106		228
107	Configuration for the server, loaded from C</etc/crossfire/config>, or	229	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
108	from wherever your confdir points to.	230	from wherever your confdir points to.
109		231
		232	=item cf::wait_for_tick, cf::wait_for_tick_begin
		233
		234	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		235	returns directly I<after> the tick processing (and consequently, can only wake one process
		236	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		237
		238	=item @cf::INVOKE_RESULTS
		239
		240	This array contains the results of the last C<invoke ()> call. When
		241	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		242	that call.
		243
		244	=item %cf::REFLECT
		245
		246	Contains, for each (C++) class name, a hash reference with information
		247	about object members (methods, scalars, arrays and flags) and other
		248	metadata, which is useful for introspection.
		249
110	=back	250	=back
111		251
112	=cut	252	=cut
113		253
114	BEGIN {	254	$Coro::State::WARNHOOK = sub {
115	*CORE::GLOBAL::warn = sub {
116	my $msg = join "", @_;	255	my $msg = join "", @_;
117	utf8::encode $msg;
118		256
119	$msg .= "\n"	257	$msg .= "\n"
120	unless $msg =~ /\n$/;	258	unless $msg =~ /\n$/;
121		259
		260	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		261
122	LOG llevError, "cfperl: $msg";	262	LOG llevError, $msg;
123	};	263	};
124	}	264
		265	$Coro::State::DIEHOOK = sub {
		266	return unless $^S eq 0; # "eq", not "=="
		267
		268	warn Carp::longmess $_[0];
		269
		270	if (in_main) {#d#
		271	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		272	return;#d#
		273	}#d#
		274
		275	# kill coroutine otherwise
		276	Coro::terminate
		277	};
125		278
126	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	279	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	280	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
128	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	281	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
129	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	282	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
130	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	283	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		284	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
131	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	285	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
132		286
133	# we bless all objects into (empty) derived classes to force a method lookup	287	# we bless all objects into (empty) derived classes to force a method lookup
134	# within the Safe compartment.	288	# within the Safe compartment.
135	for my $pkg (qw(	289	for my $pkg (qw(
136	cf::global cf::attachable	290	cf::global cf::attachable
137	cf::object cf::object::player	291	cf::object cf::object::player
138	cf::client cf::player	292	cf::client cf::player
139	cf::arch cf::living	293	cf::arch cf::living
		294	cf::map cf::mapspace
140	cf::map cf::party cf::region	295	cf::party cf::region
141	)) {	296	)) {
142	no strict 'refs';
143	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	297	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
144	}	298	}
145		299
146	$Event::DIED = sub {	300	$EV::DIED = sub {
147	warn "error in event callback: @_";	301	Carp::cluck "error in event callback: @_";
148	};	302	};
149		303
150	my %ext_pkg;	304	#############################################################################
151	my @exts;
152	my @hook;
153		305
154	=head2 UTILITY FUNCTIONS	306	=head2 UTILITY FUNCTIONS
155		307
156	=over 4	308	=over 4
157		309
158	=cut	310	=item dumpval $ref
159		311
160	use JSON::Syck (); # TODO# replace by JSON::PC once working	312	=cut
161		313
		314	sub dumpval {
		315	eval {
		316	local $SIG{__DIE__};
		317	my $d;
		318	if (1) {
		319	$d = new Data::Dumper([$_[0]], ["*var"]);
		320	$d->Terse(1);
		321	$d->Indent(2);
		322	$d->Quotekeys(0);
		323	$d->Useqq(1);
		324	#$d->Bless(...);
		325	$d->Seen($_[1]) if @_ > 1;
		326	$d = $d->Dump();
		327	}
		328	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		329	$d
		330	} || "[unable to dump $_[0]: '$@']";
		331	}
		332
162	=item $ref = cf::from_json $json	333	=item $ref = cf::decode_json $json
163		334
164	Converts a JSON string into the corresponding perl data structure.	335	Converts a JSON string into the corresponding perl data structure.
165		336
166	=cut
167
168	sub from_json($) {
169	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
170	JSON::Syck::Load $_[0]
171	}
172
173	=item $json = cf::to_json $ref	337	=item $json = cf::encode_json $ref
174		338
175	Converts a perl data structure into its JSON representation.	339	Converts a perl data structure into its JSON representation.
176		340
177	=cut	341	=cut
178		342
179	sub to_json($) {	343	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
180	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	344
181	JSON::Syck::Dump $_[0]	345	sub encode_json($) { $json_coder->encode ($_[0]) }
		346	sub decode_json($) { $json_coder->decode ($_[0]) }
		347
		348	=item cf::post_init { BLOCK }
		349
		350	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		351	but I<before> the server starts ticking again.
		352
		353	The cdoeblock will have a single boolean argument to indicate whether this
		354	is a reload or not.
		355
		356	=cut
		357
		358	sub post_init(&) {
		359	push @POST_INIT, shift;
182	}	360	}
183		361
184	=item cf::lock_wait $string	362	=item cf::lock_wait $string
185		363
186	Wait until the given lock is available. See cf::lock_acquire.	364	Wait until the given lock is available. See cf::lock_acquire.
187		365
188	=item my $lock = cf::lock_acquire $string	366	=item my $lock = cf::lock_acquire $string
189		367
190	Wait until the given lock is available and then acquires it and returns	368	Wait until the given lock is available and then acquires it and returns
191	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	369	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
192	for example when the coroutine gets canceled), the lock is automatically	370	for example when the coroutine gets canceled), the lock is automatically
193	returned.	371	returned.
194		372
		373	Locks are *not* recursive, locking from the same coro twice results in a
		374	deadlocked coro.
		375
195	Lock names should begin with a unique identifier (for example, cf::map::find	376	Lock names should begin with a unique identifier (for example, cf::map::find
196	uses map_find and cf::map::load uses map_load).	377	uses map_find and cf::map::load uses map_load).
197		378
198	=cut	379	=item $locked = cf::lock_active $string
199		380
200	our %LOCK;	381	Return true if the lock is currently active, i.e. somebody has locked it.
		382
		383	=cut
		384
		385	our $LOCKS = new Coro::SemaphoreSet;
201		386
202	sub lock_wait($) {	387	sub lock_wait($) {
203	my ($key) = @_;	388	$LOCKS->wait ($_[0]);
204
205	# wait for lock, if any
206	while ($LOCK{$key}) {
207	push @{ $LOCK{$key} }, $Coro::current;
208	Coro::schedule;
209	}
210	}	389	}
211		390
212	sub lock_acquire($) {	391	sub lock_acquire($) {
213	my ($key) = @_;	392	$LOCKS->guard ($_[0])
		393	}
214		394
215	# wait, to be sure we are not locked	395	sub lock_active($) {
216	lock_wait $key;	396	$LOCKS->count ($_[0]) < 1
		397	}
217		398
218	$LOCK{$key} = [];	399	sub freeze_mainloop {
		400	tick_inhibit_inc;
219		401
220	Coro::guard {	402	&Guard::guard (\&tick_inhibit_dec);
221	# wake up all waiters, to be on the safe side	403	}
222	$_->ready for @{ delete $LOCK{$key} };	404
		405	=item cf::periodic $interval, $cb
		406
		407	Like EV::periodic, but randomly selects a starting point so that the actions
		408	get spread over time.
		409
		410	=cut
		411
		412	sub periodic($$) {
		413	my ($interval, $cb) = @_;
		414
		415	my $start = rand List::Util::min 180, $interval;
		416
		417	EV::periodic $start, $interval, 0, $cb
		418	}
		419
		420	=item cf::get_slot $time[, $priority[, $name]]
		421
		422	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		423	This call blocks and returns only when you have at least C<$time> seconds
		424	of cpu time till the next tick. The slot is only valid till the next cede.
		425
		426	The optional C<$name> can be used to identify the job to run. It might be
		427	used for statistical purposes and should identify the same time-class.
		428
		429	Useful for short background jobs.
		430
		431	=cut
		432
		433	our @SLOT_QUEUE;
		434	our $SLOT_QUEUE;
		435	our $SLOT_DECAY = 0.9;
		436
		437	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		438	$SLOT_QUEUE = Coro::async {
		439	$Coro::current->desc ("timeslot manager");
		440
		441	my $signal = new Coro::Signal;
		442	my $busy;
		443
		444	while () {
		445	next_job:
		446
		447	my $avail = cf::till_tick;
		448
		449	for (0 .. $#SLOT_QUEUE) {
		450	if ($SLOT_QUEUE[$_][0] <= $avail) {
		451	$busy = 0;
		452	my $job = splice @SLOT_QUEUE, $_, 1, ();
		453	$job->[2]->send;
		454	Coro::cede;
		455	goto next_job;
		456	} else {
		457	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		458	}
		459	}
		460
		461	if (@SLOT_QUEUE) {
		462	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		463	push @cf::WAIT_FOR_TICK, $signal;
		464	$signal->wait;
		465	} else {
		466	$busy = 0;
		467	Coro::schedule;
		468	}
223	}	469	}
		470	};
		471
		472	sub get_slot($;$$) {
		473	return if tick_inhibit || $Coro::current == $Coro::main;
		474
		475	my ($time, $pri, $name) = @_;
		476
		477	$time = clamp $time, 0.01, $TICK * .6;
		478
		479	my $sig = new Coro::Signal;
		480
		481	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		482	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		483	$SLOT_QUEUE->ready;
		484	$sig->wait;
224	}	485	}
225		486
226	=item cf::async { BLOCK }	487	=item cf::async { BLOCK }
227		488
228	Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the	489	Currently the same as Coro::async_pool, meaning you cannot use
229	error instead of exiting the server in case of a problem.	490	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		491	thing you are allowed to do is call C<prio> on it.
230		492
231	=cut	493	=cut
232		494
233	sub async(&) {	495	BEGIN { *async = \&Coro::async_pool }
234	my ($cb) = @_;
235
236	Coro::async {
237	eval { $cb->() };
238	warn $@ if $@;
239	}
240	}
241
242	sub freeze_mainloop {
243	return unless $TICK_WATCHER->is_active;
244
245	my $guard = Coro::guard { $TICK_WATCHER->start };
246	$TICK_WATCHER->stop;
247	$guard
248	}
249		496
250	=item cf::sync_job { BLOCK }	497	=item cf::sync_job { BLOCK }
251		498
252	The design of crossfire+ requires that the main coro ($Coro::main) is	499	The design of Deliantra requires that the main coroutine ($Coro::main)
253	always able to handle events or runnable, as crossfire+ is only partly	500	is always able to handle events or runnable, as Deliantra is only
254	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	501	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		502	acceptable.
255		503
256	If it must be done, put the blocking parts into C<sync_job>. This will run	504	If it must be done, put the blocking parts into C<sync_job>. This will run
257	the given BLOCK in another coroutine while waiting for the result. The	505	the given BLOCK in another coroutine while waiting for the result. The
258	server will be frozen during this time, so the block should either finish	506	server will be frozen during this time, so the block should either finish
259	fast or be very important.	507	fast or be very important.
…		…
262		510
263	sub sync_job(&) {	511	sub sync_job(&) {
264	my ($job) = @_;	512	my ($job) = @_;
265		513
266	if ($Coro::current == $Coro::main) {	514	if ($Coro::current == $Coro::main) {
		515	my $time = AE::time;
		516
267	# this is the main coro, too bad, we have to block	517	# this is the main coro, too bad, we have to block
268	# till the operation succeeds, freezing the server :/	518	# till the operation succeeds, freezing the server :/
269		519
270	# TODO: use suspend/resume instead	520	LOG llevError, Carp::longmess "sync job";#d#
271	# (but this is cancel-safe)	521
272	my $freeze_guard = freeze_mainloop;	522	my $freeze_guard = freeze_mainloop;
273		523
274	my $busy = 1;	524	my $busy = 1;
275	my @res;	525	my @res;
276		526
277	(Coro::async {	527	(async {
		528	$Coro::current->desc ("sync job coro");
278	@res = eval { $job->() };	529	@res = eval { $job->() };
279	warn $@ if $@;	530	warn $@ if $@;
280	undef $busy;	531	undef $busy;
281	})->prio (Coro::PRIO_MAX);	532	})->prio (Coro::PRIO_MAX);
282		533
283	while ($busy) {	534	while ($busy) {
		535	if (Coro::nready) {
284	Coro::cede_notself;	536	Coro::cede_notself;
285	Event::one_event unless Coro::nready;	537	} else {
		538	EV::loop EV::LOOP_ONESHOT;
286	}	539	}
		540	}
		541
		542	my $time = AE::time - $time;
		543
		544	$TICK_START += $time; # do not account sync jobs to server load
287		545
288	wantarray ? @res : $res[0]	546	wantarray ? @res : $res[0]
289	} else {	547	} else {
290	# we are in another coroutine, how wonderful, everything just works	548	# we are in another coroutine, how wonderful, everything just works
291		549
292	$job->()	550	$job->()
293	}	551	}
294	}	552	}
295		553
296	=item $coro = cf::coro { BLOCK }	554	=item $coro = cf::async_ext { BLOCK }
297		555
298	Creates and returns a new coro. This coro is automcatially being canceled	556	Like async, but this coro is automatically being canceled when the
299	when the extension calling this is being unloaded.	557	extension calling this is being unloaded.
300		558
301	=cut	559	=cut
302		560
303	sub coro(&) {	561	sub async_ext(&) {
304	my $cb = shift;	562	my $cb = shift;
305		563
306	my $coro = &cf::async ($cb);	564	my $coro = &Coro::async ($cb);
307		565
308	$coro->on_destroy (sub {	566	$coro->on_destroy (sub {
309	delete $EXT_CORO{$coro+0};	567	delete $EXT_CORO{$coro+0};
310	});	568	});
311	$EXT_CORO{$coro+0} = $coro;	569	$EXT_CORO{$coro+0} = $coro;
312		570
313	$coro	571	$coro
314	}	572	}
315		573
316	sub write_runtime {	574	=item fork_call { }, $args
317	my $runtime = cf::localdir . "/runtime";
318		575
319	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	576	Executes the given code block with the given arguments in a seperate
320	or return;	577	process, returning the results. Everything must be serialisable with
		578	Coro::Storable. May, of course, block. Note that the executed sub may
		579	never block itself or use any form of event handling.
321		580
322	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	581	=cut
323	(aio_write $fh, 0, (length $value), $value, 0) <= 0
324	and return;
325		582
326	aio_fsync $fh	583	sub fork_call(&@) {
327	and return;	584	my ($cb, @args) = @_;
328		585
329	close $fh	586	# we seemingly have to make a local copy of the whole thing,
330	or return;	587	# otherwise perl prematurely frees the stuff :/
		588	# TODO: investigate and fix (likely this will be rather laborious)
331		589
332	aio_rename "$runtime~", $runtime	590	my @res = Coro::Util::fork_eval {
333	and return;	591	reset_signals;
		592	&$cb
		593	}, @args;
334		594
		595	wantarray ? @res : $res[-1]
		596	}
		597
		598	sub objinfo {
335	1	599	(
		600	"counter value" => cf::object::object_count,
		601	"objects created" => cf::object::create_count,
		602	"objects destroyed" => cf::object::destroy_count,
		603	"freelist size" => cf::object::free_count,
		604	"allocated objects" => cf::object::objects_size,
		605	"active objects" => cf::object::actives_size,
		606	)
		607	}
		608
		609	=item $coin = coin_from_name $name
		610
		611	=cut
		612
		613	our %coin_alias = (
		614	"silver" => "silvercoin",
		615	"silvercoin" => "silvercoin",
		616	"silvercoins" => "silvercoin",
		617	"gold" => "goldcoin",
		618	"goldcoin" => "goldcoin",
		619	"goldcoins" => "goldcoin",
		620	"platinum" => "platinacoin",
		621	"platinumcoin" => "platinacoin",
		622	"platinumcoins" => "platinacoin",
		623	"platina" => "platinacoin",
		624	"platinacoin" => "platinacoin",
		625	"platinacoins" => "platinacoin",
		626	"royalty" => "royalty",
		627	"royalties" => "royalty",
		628	);
		629
		630	sub coin_from_name($) {
		631	$coin_alias{$_[0]}
		632	? cf::arch::find $coin_alias{$_[0]}
		633	: undef
		634	}
		635
		636	=item $value = cf::db_get $family => $key
		637
		638	Returns a single value from the environment database.
		639
		640	=item cf::db_put $family => $key => $value
		641
		642	Stores the given C<$value> in the family. It can currently store binary
		643	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		644
		645	=item $db = cf::db_table "name"
		646
		647	Create and/or open a new database table. The string must not be "db" and must be unique
		648	within each server.
		649
		650	=cut
		651
		652	sub db_table($) {
		653	my ($name) = @_;
		654	my $db = BDB::db_create $DB_ENV;
		655
		656	eval {
		657	$db->set_flags (BDB::CHKSUM);
		658
		659	utf8::encode $name;
		660	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		661	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		662	cf::cleanup "db_open(db): $!" if $!;
		663	};
		664	cf::cleanup "db_open(db): $@" if $@;
		665
		666	$db
		667	}
		668
		669	our $DB;
		670
		671	sub db_init {
		672	cf::sync_job {
		673	$DB ||= db_table "db";
		674	};
		675	}
		676
		677	sub db_get($$) {
		678	my $key = "$_[0]/$_[1]";
		679
		680	cf::sync_job {
		681	BDB::db_get $DB, undef, $key, my $data;
		682
		683	$! ? ()
		684	: $data
		685	}
		686	}
		687
		688	sub db_put($$$) {
		689	BDB::dbreq_pri 4;
		690	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		691	}
		692
		693	=item cf::cache $id => [$paths...], $processversion => $process
		694
		695	Generic caching function that returns the value of the resource $id,
		696	caching and regenerating as required.
		697
		698	This function can block.
		699
		700	=cut
		701
		702	sub cache {
		703	my ($id, $src, $processversion, $process) = @_;
		704
		705	my $meta =
		706	join "\x00",
		707	$processversion,
		708	map {
		709	aio_stat $_
		710	and Carp::croak "$_: $!";
		711
		712	($_, (stat _)[7,9])
		713	} @$src;
		714
		715	my $dbmeta = db_get cache => "$id/meta";
		716	if ($dbmeta ne $meta) {
		717	# changed, we may need to process
		718
		719	my @data;
		720	my $md5;
		721
		722	for (0 .. $#$src) {
		723	0 <= aio_load $src->[$_], $data[$_]
		724	or Carp::croak "$src->[$_]: $!";
		725	}
		726
		727	# if processing is expensive, check
		728	# checksum first
		729	if (1) {
		730	$md5 =
		731	join "\x00",
		732	$processversion,
		733	map {
		734	cf::cede_to_tick;
		735	($src->[$_], Digest::MD5::md5_hex $data[$_])
		736	} 0.. $#$src;
		737
		738
		739	my $dbmd5 = db_get cache => "$id/md5";
		740	if ($dbmd5 eq $md5) {
		741	db_put cache => "$id/meta", $meta;
		742
		743	return db_get cache => "$id/data";
		744	}
		745	}
		746
		747	my $t1 = Time::HiRes::time;
		748	my $data = $process->(\@data);
		749	my $t2 = Time::HiRes::time;
		750
		751	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		752
		753	db_put cache => "$id/data", $data;
		754	db_put cache => "$id/md5" , $md5;
		755	db_put cache => "$id/meta", $meta;
		756
		757	return $data;
		758	}
		759
		760	db_get cache => "$id/data"
		761	}
		762
		763	=item cf::datalog type => key => value, ...
		764
		765	Log a datalog packet of the given type with the given key-value pairs.
		766
		767	=cut
		768
		769	sub datalog($@) {
		770	my ($type, %kv) = @_;
		771	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
336	}	772	}
337		773
338	=back	774	=back
339		775
340	=cut	776	=cut
341		777
342	#############################################################################	778	#############################################################################
343		779
344	package cf::path;
345
346	sub new {
347	my ($class, $path, $base) = @_;
348
349	$path = $path->as_string if ref $path;
350
351	my $self = bless { }, $class;
352
353	# {... are special paths that are not touched
354	# ?xxx/... are special absolute paths
355	# ?random/... random maps
356	# /! non-realised random map exit
357	# /... normal maps
358	# ~/... per-player maps without a specific player (DO NOT USE)
359	# ~user/... per-player map of a specific user
360
361	if ($path =~ /^{/) {
362	# fine as it is
363	} elsif ($path =~ s{^\?random/}{}) {
364	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365	$self->{random} = cf::from_json $data;
366	} else {
367	if ($path =~ s{^~([^/]+)?}{}) {
368	$self->{user_rel} = 1;
369
370	if (defined $1) {
371	$self->{user} = $1;
372	} elsif ($base =~ m{^~([^/]+)/}) {
373	$self->{user} = $1;
374	} else {
375	warn "cannot resolve user-relative path without user <$path,$base>\n";
376	}
377	} elsif ($path =~ /^\//) {
378	# already absolute
379	} else {
380	$base =~ s{[^/]+/?$}{};
381	return $class->new ("$base/$path");
382	}
383
384	for ($path) {
385	redo if s{/\.?/}{/};
386	redo if s{/[^/]+/\.\./}{/};
387	}
388	}
389
390	$self->{path} = $path;
391
392	$self
393	}
394
395	# the name / primary key / in-game path
396	sub as_string {
397	my ($self) = @_;
398
399	$self->{user_rel} ? "~$self->{user}$self->{path}"
400	: $self->{random} ? "?random/$self->{path}"
401	: $self->{path}
402	}
403
404	# the displayed name, this is a one way mapping
405	sub visible_name {
406	my ($self) = @_;
407
408	# if (my $rmp = $self->{random}) {
409	# # todo: be more intelligent about this
410	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411	# } else {
412	$self->as_string
413	# }
414	}
415
416	# escape the /'s in the path
417	sub _escaped_path {
418	# ∕ is U+2215
419	(my $path = $_[0]{path}) =~ s/\//∕/g;
420	$path
421	}
422
423	# the original (read-only) location
424	sub load_path {
425	my ($self) = @_;
426
427	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428	}
429
430	# the temporary/swap location
431	sub save_path {
432	my ($self) = @_;
433
434	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437	}
438
439	# the unique path, might be eq to save_path
440	sub uniq_path {
441	my ($self) = @_;
442
443	$self->{user_rel} || $self->{random}
444	? undef
445	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446	}
447
448	# return random map parameters, or undef
449	sub random_map_params {
450	my ($self) = @_;
451
452	$self->{random}
453	}
454
455	# this is somewhat ugly, but style maps do need special treatment
456	sub is_style_map {
457	$_[0]{path} =~ m{^/styles/}
458	}
459
460	package cf;
461
462	#############################################################################
463
464	=head2 ATTACHABLE OBJECTS	780	=head2 ATTACHABLE OBJECTS
465		781
466	Many objects in crossfire are so-called attachable objects. That means you can	782	Many objects in deliantra are so-called attachable objects. That means you can
467	attach callbacks/event handlers (a collection of which is called an "attachment")	783	attach callbacks/event handlers (a collection of which is called an "attachment")
468	to it. All such attachable objects support the following methods.	784	to it. All such attachable objects support the following methods.
469		785
470	In the following description, CLASS can be any of C<global>, C<object>	786	In the following description, CLASS can be any of C<global>, C<object>
471	C<player>, C<client> or C<map> (i.e. the attachable objects in	787	C<player>, C<client> or C<map> (i.e. the attachable objects in
472	crossfire+).	788	Deliantra).
473		789
474	=over 4	790	=over 4
475		791
476	=item $attachable->attach ($attachment, key => $value...)	792	=item $attachable->attach ($attachment, key => $value...)
477		793
…		…
521	=item cf::CLASS::attachment $name, ...	837	=item cf::CLASS::attachment $name, ...
522		838
523	Register an attachment by C<$name> through which attachable objects of the	839	Register an attachment by C<$name> through which attachable objects of the
524	given CLASS can refer to this attachment.	840	given CLASS can refer to this attachment.
525		841
526	Some classes such as crossfire maps and objects can specify attachments	842	Some classes such as deliantra maps and objects can specify attachments
527	that are attached at load/instantiate time, thus the need for a name.	843	that are attached at load/instantiate time, thus the need for a name.
528		844
529	These calls expect any number of the following handler/hook descriptions:	845	These calls expect any number of the following handler/hook descriptions:
530		846
531	=over 4	847	=over 4
…		…
591	our @CB_TYPE = (); # registry for type (cf-object class) based events	907	our @CB_TYPE = (); # registry for type (cf-object class) based events
592	our @CB_MAP = ();	908	our @CB_MAP = ();
593		909
594	my %attachment;	910	my %attachment;
595		911
		912	sub cf::attachable::thawer_merge {
		913	# simply override everything except _meta
		914	local $_[0]{_meta};
		915	%{$_[0]} = %{$_[1]};
		916	}
		917
596	sub _attach_cb($$$$) {	918	sub _attach_cb($$$$) {
597	my ($registry, $event, $prio, $cb) = @_;	919	my ($registry, $event, $prio, $cb) = @_;
598		920
599	use sort 'stable';	921	use sort 'stable';
600		922
…		…
634	$registry = $CB_TYPE[$object_type] ||= [];	956	$registry = $CB_TYPE[$object_type] ||= [];
635		957
636	} elsif ($type eq "subtype") {	958	} elsif ($type eq "subtype") {
637	defined $object_type or Carp::croak "subtype specified without type";	959	defined $object_type or Carp::croak "subtype specified without type";
638	my $object_subtype = shift @arg;	960	my $object_subtype = shift @arg;
639	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	961	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
640		962
641	} elsif ($type eq "package") {	963	} elsif ($type eq "package") {
642	my $pkg = shift @arg;	964	my $pkg = shift @arg;
643		965
644	while (my ($name, $id) = each %cb_id) {	966	while (my ($name, $id) = each %cb_id) {
…		…
673	_attach $registry, $klass, @attach;	995	_attach $registry, $klass, @attach;
674	}	996	}
675		997
676	$obj->{$name} = \%arg;	998	$obj->{$name} = \%arg;
677	} else {	999	} else {
678	warn "object uses attachment '$name' that is not available, postponing.\n";	1000	warn "object uses attachment '$name' which is not available, postponing.\n";
679	}	1001	}
680		1002
681	$obj->{_attachment}{$name} = undef;	1003	$obj->{_attachment}{$name} = undef;
682	}	1004	}
683		1005
…		…
685	if (ref $_[0]) {	1007	if (ref $_[0]) {
686	_object_attach @_;	1008	_object_attach @_;
687	} else {	1009	} else {
688	_attach shift->_attach_registry, @_;	1010	_attach shift->_attach_registry, @_;
689	}	1011	}
		1012	_recalc_want;
690	};	1013	};
691		1014
692	# all those should be optimised	1015	# all those should be optimised
693	sub cf::attachable::detach {	1016	sub cf::attachable::detach {
694	my ($obj, $name) = @_;	1017	my ($obj, $name) = @_;
…		…
697	delete $obj->{_attachment}{$name};	1020	delete $obj->{_attachment}{$name};
698	reattach ($obj);	1021	reattach ($obj);
699	} else {	1022	} else {
700	Carp::croak "cannot, currently, detach class attachments";	1023	Carp::croak "cannot, currently, detach class attachments";
701	}	1024	}
		1025	_recalc_want;
702	};	1026	};
703		1027
704	sub cf::attachable::attached {	1028	sub cf::attachable::attached {
705	my ($obj, $name) = @_;	1029	my ($obj, $name) = @_;
706		1030
…		…
721	";	1045	";
722	die if $@;	1046	die if $@;
723	}	1047	}
724		1048
725	our $override;	1049	our $override;
726	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1050	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
727		1051
728	sub override {	1052	sub override {
729	$override = 1;	1053	$override = 1;
730	@invoke_results = ();	1054	@INVOKE_RESULTS = (@_);
731	}	1055	}
732		1056
733	sub do_invoke {	1057	sub do_invoke {
734	my $event = shift;	1058	my $event = shift;
735	my $callbacks = shift;	1059	my $callbacks = shift;
736		1060
737	@invoke_results = ();	1061	@INVOKE_RESULTS = ();
738		1062
739	local $override;	1063	local $override;
740		1064
741	for (@$callbacks) {	1065	for (@$callbacks) {
742	eval { &{$_->[1]} };	1066	eval { &{$_->[1]} };
…		…
751	}	1075	}
752		1076
753	0	1077	0
754	}	1078	}
755		1079
756	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1080	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
757		1081
758	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1082	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
759		1083
760	Generate an object-specific event with the given arguments.	1084	Generate an object-specific event with the given arguments.
761		1085
762	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1086	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
763	removed in future versions), and there is no public API to access override	1087	removed in future versions), and there is no public API to access override
764	results (if you must, access C<@cf::invoke_results> directly).	1088	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
765		1089
766	=back	1090	=back
767		1091
768	=cut	1092	=cut
769		1093
770	#############################################################################	1094	#############################################################################
771	# object support	1095	# object support
		1096
		1097	sub _object_equal($$);
		1098	sub _object_equal($$) {
		1099	my ($a, $b) = @_;
		1100
		1101	return 0 unless (ref $a) eq (ref $b);
		1102
		1103	if ("HASH" eq ref $a) {
		1104	my @ka = keys %$a;
		1105	my @kb = keys %$b;
		1106
		1107	return 0 if @ka != @kb;
		1108
		1109	for (0 .. $#ka) {
		1110	return 0 unless $ka[$_] eq $kb[$_];
		1111	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1112	}
		1113
		1114	} elsif ("ARRAY" eq ref $a) {
		1115
		1116	return 0 if @$a != @$b;
		1117
		1118	for (0 .. $#$a) {
		1119	return 0 unless _object_equal $a->[$_], $b->[$_];
		1120	}
		1121
		1122	} elsif ($a ne $b) {
		1123	return 0;
		1124	}
		1125
		1126	1
		1127	}
		1128
		1129	our $SLOW_MERGES;#d#
		1130	sub _can_merge {
		1131	my ($ob1, $ob2) = @_;
		1132
		1133	++$SLOW_MERGES;#d#
		1134
		1135	# we do the slow way here
		1136	return _object_equal $ob1, $ob2
		1137	}
772		1138
773	sub reattach {	1139	sub reattach {
774	# basically do the same as instantiate, without calling instantiate	1140	# basically do the same as instantiate, without calling instantiate
775	my ($obj) = @_;	1141	my ($obj) = @_;
		1142
		1143	# no longer needed after getting rid of delete_package?
		1144	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776		1145
777	my $registry = $obj->registry;	1146	my $registry = $obj->registry;
778		1147
779	@$registry = ();	1148	@$registry = ();
780		1149
…		…
795	cf::attachable->attach (	1164	cf::attachable->attach (
796	prio => -1000000,	1165	prio => -1000000,
797	on_instantiate => sub {	1166	on_instantiate => sub {
798	my ($obj, $data) = @_;	1167	my ($obj, $data) = @_;
799		1168
800	$data = from_json $data;	1169	$data = decode_json $data;
801		1170
802	for (@$data) {	1171	for (@$data) {
803	my ($name, $args) = @$_;	1172	my ($name, $args) = @$_;
804		1173
805	$obj->attach ($name, %{$args || {} });	1174	$obj->attach ($name, %{$args || {} });
…		…
821	sub object_freezer_save {	1190	sub object_freezer_save {
822	my ($filename, $rdata, $objs) = @_;	1191	my ($filename, $rdata, $objs) = @_;
823		1192
824	sync_job {	1193	sync_job {
825	if (length $$rdata) {	1194	if (length $$rdata) {
		1195	utf8::decode (my $decname = $filename);
826	warn sprintf "saving %s (%d,%d)\n",	1196	warn sprintf "saving %s (%d,%d)\n",
827	$filename, length $$rdata, scalar @$objs;	1197	$decname, length $$rdata, scalar @$objs;
828		1198
829	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1199	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
830	chmod SAVE_MODE, $fh;	1200	aio_chmod $fh, SAVE_MODE;
831	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1201	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1202	if ($cf::USE_FSYNC) {
		1203	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
832	aio_fsync $fh;	1204	aio_fsync $fh;
		1205	}
833	close $fh;	1206	aio_close $fh;
834		1207
835	if (@$objs) {	1208	if (@$objs) {
836	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1209	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
837	chmod SAVE_MODE, $fh;	1210	aio_chmod $fh, SAVE_MODE;
838	my $data = Storable::nfreeze { version => 1, objs => $objs };	1211	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
839	aio_write $fh, 0, (length $data), $data, 0;	1212	aio_write $fh, 0, (length $data), $data, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
840	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
841	close $fh;	1217	aio_close $fh;
842	aio_rename "$filename.pst~", "$filename.pst";	1218	aio_rename "$filename.pst~", "$filename.pst";
843	}	1219	}
844	} else {	1220	} else {
845	aio_unlink "$filename.pst";	1221	aio_unlink "$filename.pst";
846	}	1222	}
847		1223
848	aio_rename "$filename~", $filename;	1224	aio_rename "$filename~", $filename;
		1225
		1226	$filename =~ s%/[^/]+$%%;
		1227	aio_pathsync $filename if $cf::USE_FSYNC;
849	} else {	1228	} else {
850	warn "FATAL: $filename~: $!\n";	1229	warn "unable to save objects: $filename~: $!\n";
851	}	1230	}
852	} else {	1231	} else {
853	aio_unlink $filename;	1232	aio_unlink $filename;
854	aio_unlink "$filename.pst";	1233	aio_unlink "$filename.pst";
855	}	1234	}
856	}	1235	};
857	}	1236	}
858		1237
859	sub object_freezer_as_string {	1238	sub object_freezer_as_string {
860	my ($rdata, $objs) = @_;	1239	my ($rdata, $objs) = @_;
861		1240
…		…
873	or return;	1252	or return;
874		1253
875	unless (aio_stat "$filename.pst") {	1254	unless (aio_stat "$filename.pst") {
876	(aio_load "$filename.pst", $av) >= 0	1255	(aio_load "$filename.pst", $av) >= 0
877	or return;	1256	or return;
		1257
878	$av = eval { (Storable::thaw $av)->{objs} };	1258	my $st = eval { Coro::Storable::thaw $av };
		1259	$av = $st->{objs};
879	}	1260	}
880		1261
		1262	utf8::decode (my $decname = $filename);
881	warn sprintf "loading %s (%d)\n",	1263	warn sprintf "loading %s (%d,%d)\n",
882	$filename, length $data, scalar @{$av || []};#d#	1264	$decname, length $data, scalar @{$av || []};
		1265
883	return ($data, $av);	1266	($data, $av)
884	}	1267	}
		1268
		1269	=head2 COMMAND CALLBACKS
		1270
		1271	=over 4
		1272
		1273	=cut
885		1274
886	#############################################################################	1275	#############################################################################
887	# command handling &c	1276	# command handling &c
888		1277
889	=item cf::register_command $name => \&callback($ob,$args);	1278	=item cf::register_command $name => \&callback($ob,$args);
…		…
902	push @{ $COMMAND{$name} }, [$caller, $cb];	1291	push @{ $COMMAND{$name} }, [$caller, $cb];
903	}	1292	}
904		1293
905	=item cf::register_extcmd $name => \&callback($pl,$packet);	1294	=item cf::register_extcmd $name => \&callback($pl,$packet);
906		1295
907	Register a callbackf ro execution when the client sends an extcmd packet.	1296	Register a callback for execution when the client sends an (synchronous)
		1297	extcmd packet. Ext commands will be processed in the order they are
		1298	received by the server, like other user commands. The first argument is
		1299	the logged-in player. Ext commands can only be processed after a player
		1300	has logged in successfully.
908		1301
909	If the callback returns something, it is sent back as if reply was being	1302	If the callback returns something, it is sent back as if reply was being
910	called.	1303	called.
911		1304
		1305	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1306
		1307	Register a callback for execution when the client sends an (asynchronous)
		1308	exticmd packet. Exti commands are processed by the server as soon as they
		1309	are received, i.e. out of order w.r.t. other commands. The first argument
		1310	is a client socket. Exti commands can be received anytime, even before
		1311	log-in.
		1312
		1313	If the callback returns something, it is sent back as if reply was being
		1314	called.
		1315
912	=cut	1316	=cut
913		1317
914	sub register_extcmd {	1318	sub register_extcmd {
915	my ($name, $cb) = @_;	1319	my ($name, $cb) = @_;
916		1320
917	my $caller = caller;
918	#warn "registering extcmd '$name' to '$caller'";
919
920	$EXTCMD{$name} = [$cb, $caller];	1321	$EXTCMD{$name} = $cb;
921	}	1322	}
		1323
		1324	sub register_exticmd {
		1325	my ($name, $cb) = @_;
		1326
		1327	$EXTICMD{$name} = $cb;
		1328	}
		1329
		1330	use File::Glob ();
922		1331
923	cf::player->attach (	1332	cf::player->attach (
924	on_command => sub {	1333	on_unknown_command => sub {
925	my ($pl, $name, $params) = @_;	1334	my ($pl, $name, $params) = @_;
926		1335
927	my $cb = $COMMAND{$name}	1336	my $cb = $COMMAND{$name}
928	or return;	1337	or return;
929		1338
…		…
934	cf::override;	1343	cf::override;
935	},	1344	},
936	on_extcmd => sub {	1345	on_extcmd => sub {
937	my ($pl, $buf) = @_;	1346	my ($pl, $buf) = @_;
938		1347
939	my $msg = eval { from_json $buf };	1348	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
940		1349
941	if (ref $msg) {	1350	if (ref $msg) {
		1351	my ($type, $reply, @payload) =
		1352	"ARRAY" eq ref $msg
		1353	? @$msg
		1354	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1355
		1356	my @reply;
		1357
942	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1358	if (my $cb = $EXTCMD{$type}) {
943	if (my %reply = $cb->[0]->($pl, $msg)) {	1359	@reply = $cb->($pl, @payload);
944	$pl->ext_reply ($msg->{msgid}, %reply);
945	}
946	}	1360	}
		1361
		1362	$pl->ext_reply ($reply, @reply)
		1363	if $reply;
		1364
947	} else {	1365	} else {
948	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1366	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
949	}	1367	}
950		1368
951	cf::override;	1369	cf::override;
952	},	1370	},
953	);	1371	);
954		1372
955	sub register {	1373	# "readahead" all extensions
956	my ($base, $pkg) = @_;
957
958	#TODO
959	}
960
961	sub load_extension {	1374	sub cache_extensions {
962	my ($path) = @_;	1375	my $grp = IO::AIO::aio_group;
963		1376
964	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1377	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
965	my $base = $1;	1378	for (grep /\.ext$/, @{$_[0]}) {
966	my $pkg = $1;	1379	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
967	$pkg =~ s/[^[:word:]]/_/g;
968	$pkg = "ext::$pkg";
969
970	warn "loading '$path' into '$pkg'\n";
971
972	open my $fh, "<:utf8", $path
973	or die "$path: $!";
974
975	my $source =
976	"package $pkg; use strict; use utf8;\n"
977	. "#line 1 \"$path\"\n{\n"
978	. (do { local $/; <$fh> })
979	. "\n};\n1";
980
981	eval $source
982	or die $@ ? "$path: $@\n"
983	: "extension disabled.\n";
984
985	push @exts, $pkg;
986	$ext_pkg{$base} = $pkg;
987
988	# no strict 'refs';
989	# @{"$pkg\::ISA"} = ext::;
990
991	register $base, $pkg;
992	}
993
994	sub unload_extension {
995	my ($pkg) = @_;
996
997	warn "removing extension $pkg\n";
998
999	# remove hooks
1000	#TODO
1001	# for my $idx (0 .. $#PLUGIN_EVENT) {
1002	# delete $hook[$idx]{$pkg};
1003	# }
1004
1005	# remove commands
1006	for my $name (keys %COMMAND) {
1007	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009	if (@cb) {
1010	$COMMAND{$name} = \@cb;
1011	} else {
1012	delete $COMMAND{$name};
1013	}	1380	}
1014	}	1381	};
1015		1382
1016	# remove extcmds	1383	$grp
1017	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018	delete $EXTCMD{$name};
1019	}
1020
1021	if (my $cb = $pkg->can ("unload")) {
1022	eval {
1023	$cb->($pkg);
1024	1
1025	} or warn "$pkg unloaded, but with errors: $@";
1026	}
1027
1028	Symbol::delete_package $pkg;
1029	}	1384	}
1030		1385
1031	sub load_extensions {	1386	sub load_extensions {
		1387	cf::sync_job {
		1388	my %todo;
		1389
1032	for my $ext (<$LIBDIR/*.ext>) {	1390	for my $path (<$LIBDIR/*.ext>) {
1033	next unless -r $ext;	1391	next unless -r $path;
1034	eval {	1392
1035	load_extension $ext;	1393	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1394	my $base = $1;
		1395	my $pkg = $1;
		1396	$pkg =~ s/[^[:word:]]/_/g;
		1397	$pkg = "ext::$pkg";
		1398
		1399	open my $fh, "<:utf8", $path
		1400	or die "$path: $!";
		1401
		1402	my $source = do { local $/; <$fh> };
		1403
		1404	my %ext = (
		1405	path => $path,
		1406	base => $base,
		1407	pkg => $pkg,
		1408	);
		1409
		1410	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1411	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1412
		1413	$ext{source} =
		1414	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1415	. "#line 1 \"$path\"\n{\n"
		1416	. $source
		1417	. "\n};\n1";
		1418
		1419	$todo{$base} = \%ext;
		1420	}
		1421
		1422	my $pass = 0;
		1423	my %done;
		1424	while (%todo) {
		1425	my $progress;
		1426
		1427	++$pass;
		1428
		1429	ext:
		1430	while (my ($k, $v) = each %todo) {
		1431	for (split /,\s*/, $v->{meta}{depends}) {
		1432	next ext
		1433	unless exists $done{$_};
		1434	}
		1435
		1436	warn "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1437
		1438	my $active = eval $v->{source};
		1439
		1440	if (length $@) {
		1441	warn "$v->{path}: $@\n";
		1442
		1443	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1444	if exists $v->{meta}{mandatory};
		1445
		1446	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1447	delete $todo{$k};
		1448	} else {
		1449	$done{$k} = delete $todo{$k};
		1450	push @EXTS, $v->{pkg};
		1451	$progress = 1;
		1452
		1453	warn "$v->{base}: extension inactive.\n"
		1454	unless $active;
		1455	}
1036	1	1456	}
1037	} or warn "$ext not loaded: $@";	1457
		1458	unless ($progress) {
		1459	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1460
		1461	while (my ($k, $v) = each %todo) {
		1462	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1463	if exists $v->{meta}{mandatory};
		1464	}
		1465	}
		1466	}
1038	}	1467	};
1039	}	1468	}
1040		1469
1041	#############################################################################	1470	#############################################################################
1042	# load/save/clean perl data associated with a map
1043		1471
1044	*cf::mapsupport::on_clean = sub {	1472	=back
		1473
		1474	=head2 CORE EXTENSIONS
		1475
		1476	Functions and methods that extend core deliantra objects.
		1477
		1478	=cut
		1479
		1480	package cf::player;
		1481
		1482	use Coro::AIO;
		1483
		1484	=head3 cf::player
		1485
		1486	=over 4
		1487
		1488	=item cf::player::num_playing
		1489
		1490	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1491
		1492	=cut
		1493
		1494	sub num_playing {
		1495	scalar grep
		1496	$_->ob->map
		1497	&& !$_->hidden
		1498	&& !$_->ob->flag (cf::FLAG_WIZ),
		1499	cf::player::list
		1500	}
		1501
		1502	=item cf::player::find $login
		1503
		1504	Returns the given player object, loading it if necessary (might block).
		1505
		1506	=cut
		1507
		1508	sub playerdir($) {
		1509	"$PLAYERDIR/"
		1510	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		1511	}
		1512
		1513	sub path($) {
		1514	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		1515
		1516	(playerdir $login) . "/playerdata"
		1517	}
		1518
		1519	sub find_active($) {
		1520	$cf::PLAYER{$_[0]}
		1521	and $cf::PLAYER{$_[0]}->active
		1522	and $cf::PLAYER{$_[0]}
		1523	}
		1524
		1525	sub exists($) {
1045	my ($map) = @_;	1526	my ($login) = @_;
1046		1527
1047	my $path = $map->tmpname;	1528	$cf::PLAYER{$login}
1048	defined $path or return;	1529	or !aio_stat path $login
1049
1050	unlink "$path.pst";
1051	};
1052
1053	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055	#############################################################################
1056	# load/save perl data associated with player->ob objects
1057
1058	sub all_objects(@) {
1059	@_, map all_objects ($_->inv), @_
1060	}	1530	}
1061		1531
1062	# TODO: compatibility cruft, remove when no longer needed	1532	sub find($) {
		1533	return $cf::PLAYER{$_[0]} || do {
		1534	my $login = $_[0];
		1535
		1536	my $guard = cf::lock_acquire "user_find:$login";
		1537
		1538	$cf::PLAYER{$_[0]} || do {
		1539	# rename old playerfiles to new ones
		1540	#TODO: remove when no longer required
		1541	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1542	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1543	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1544	aio_unlink +(playerdir $login) . "/$login.pl";
		1545
		1546	my $f = new_from_file cf::object::thawer path $login
		1547	or return;
		1548
		1549	my $pl = cf::player::load_pl $f
		1550	or return;
		1551
		1552	local $cf::PLAYER_LOADING{$login} = $pl;
		1553	$f->resolve_delayed_derefs;
		1554	$cf::PLAYER{$login} = $pl
		1555	}
		1556	}
		1557	}
		1558
1063	cf::player->attach (	1559	cf::player->attach (
1064	on_load => sub {	1560	on_load => sub {
1065	my ($pl, $path) = @_;	1561	my ($pl, $path) = @_;
1066		1562
1067	for my $o (all_objects $pl->ob) {	1563	# restore slots saved in save, below
1068	if (my $value = $o->get_ob_key_value ("_perl_data")) {	1564	my $slots = delete $pl->{_slots};
1069	$o->set_ob_key_value ("_perl_data");
1070		1565
1071	%$o = %{ Storable::thaw pack "H*", $value };	1566	$pl->ob->current_weapon ($slots->[0]);
1072	}	1567	$pl->combat_ob ($slots->[1]);
1073	}	1568	$pl->ranged_ob ($slots->[2]);
1074	},	1569	},
1075	);	1570	);
1076		1571
1077	#############################################################################	1572	sub save($) {
		1573	my ($pl) = @_;
1078		1574
1079	=head2 CORE EXTENSIONS	1575	return if $pl->{deny_save};
1080		1576
1081	Functions and methods that extend core crossfire objects.	1577	my $path = path $pl;
		1578	my $guard = cf::lock_acquire "user_save:$path";
1082		1579
1083	=head3 cf::player	1580	return if $pl->{deny_save};
		1581
		1582	aio_mkdir playerdir $pl, 0770;
		1583	$pl->{last_save} = $cf::RUNTIME;
		1584
		1585	cf::get_slot 0.01;
		1586
		1587	# save slots, to be restored later
		1588	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1589
		1590	$pl->save_pl ($path);
		1591	cf::cede_to_tick;
		1592	}
		1593
		1594	sub new($) {
		1595	my ($login) = @_;
		1596
		1597	my $self = create;
		1598
		1599	$self->ob->name ($login);
		1600	$self->{deny_save} = 1;
		1601
		1602	$cf::PLAYER{$login} = $self;
		1603
		1604	$self
		1605	}
		1606
		1607	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1608
		1609	=cut
		1610
		1611	sub send_msg {
		1612	my $ns = shift->ns
		1613	or return;
		1614	$ns->send_msg (@_);
		1615	}
		1616
		1617	=item $pl->quit_character
		1618
		1619	Nukes the player without looking back. If logged in, the connection will
		1620	be destroyed. May block for a long time.
		1621
		1622	=cut
		1623
		1624	sub quit_character {
		1625	my ($pl) = @_;
		1626
		1627	my $name = $pl->ob->name;
		1628
		1629	$pl->{deny_save} = 1;
		1630	$pl->password ("*"); # this should lock out the player until we have nuked the dir
		1631
		1632	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1633	$pl->deactivate;
		1634	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1635	$pl->ob->check_score;
		1636	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1637	$pl->ns->destroy if $pl->ns;
		1638
		1639	my $path = playerdir $pl;
		1640	my $temp = "$path~$cf::RUNTIME~deleting~";
		1641	aio_rename $path, $temp;
		1642	delete $cf::PLAYER{$pl->ob->name};
		1643	$pl->destroy;
		1644
		1645	my $prefix = qr<^~\Q$name\E/>;
		1646
		1647	# nuke player maps
		1648	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1649
		1650	IO::AIO::aio_rmtree $temp;
		1651	}
		1652
		1653	=item $pl->kick
		1654
		1655	Kicks a player out of the game. This destroys the connection.
		1656
		1657	=cut
		1658
		1659	sub kick {
		1660	my ($pl, $kicker) = @_;
		1661
		1662	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1663	$pl->killer ("kicked");
		1664	$pl->ns->destroy;
		1665	}
		1666
		1667	=item cf::player::list_logins
		1668
		1669	Returns am arrayref of all valid playernames in the system, can take a
		1670	while and may block, so not sync_job-capable, ever.
		1671
		1672	=cut
		1673
		1674	sub list_logins {
		1675	my $dirs = aio_readdir $PLAYERDIR
		1676	or return [];
		1677
		1678	my @logins;
		1679
		1680	for my $login (@$dirs) {
		1681	my $path = path $login;
		1682
		1683	# a .pst is a dead give-away for a valid player
		1684	# if no pst file found, open and chekc for blocked users
		1685	if (aio_stat "$path.pst") {
		1686	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1687	aio_read $fh, 0, 512, my $buf, 0 or next;
		1688	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1689	}
		1690
		1691	utf8::decode $login;
		1692	push @logins, $login;
		1693	}
		1694
		1695	\@logins
		1696	}
		1697
		1698	=item $player->maps
		1699
		1700	=item cf::player::maps $login
		1701
		1702	Returns an arrayref of map paths that are private for this
		1703	player. May block.
		1704
		1705	=cut
		1706
		1707	sub maps($) {
		1708	my ($pl) = @_;
		1709
		1710	$pl = ref $pl ? $pl->ob->name : $pl;
		1711
		1712	my $files = aio_readdir playerdir $pl
		1713	or return;
		1714
		1715	my @paths;
		1716
		1717	for (@$files) {
		1718	utf8::decode $_;
		1719	next if /\.(?:pl|pst)$/;
		1720	next unless /^$PATH_SEP/o;
		1721
		1722	push @paths, cf::map::normalise "~$pl/$_";
		1723	}
		1724
		1725	\@paths
		1726	}
		1727
		1728	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1729
		1730	Expand deliantra pod fragments into protocol xml.
		1731
		1732	=item $player->ext_reply ($msgid, @msg)
		1733
		1734	Sends an ext reply to the player.
		1735
		1736	=cut
		1737
		1738	sub ext_reply($$@) {
		1739	my ($self, $id, @msg) = @_;
		1740
		1741	$self->ns->ext_reply ($id, @msg)
		1742	}
		1743
		1744	=item $player->ext_msg ($type, @msg)
		1745
		1746	Sends an ext event to the client.
		1747
		1748	=cut
		1749
		1750	sub ext_msg($$@) {
		1751	my ($self, $type, @msg) = @_;
		1752
		1753	$self->ns->ext_msg ($type, @msg);
		1754	}
		1755
		1756	=head3 cf::region
1084		1757
1085	=over 4	1758	=over 4
1086		1759
1087	=item cf::player::exists $login
1088
1089	Returns true when the given account exists.
1090
1091	=cut	1760	=cut
1092		1761
1093	sub cf::player::exists($) {	1762	package cf::region;
1094	cf::player::find $_[0]
1095	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;
1096	}
1097		1763
1098	=item $player->ext_reply ($msgid, $msgtype, %msg)	1764	=item cf::region::find_by_path $path
1099		1765
1100	Sends an ext reply to the player.	1766	Tries to decuce the likely region for a map knowing only its path.
1101		1767
1102	=cut	1768	=cut
1103		1769
1104	sub cf::player::ext_reply($$$%) {	1770	sub find_by_path($) {
1105	my ($self, $id, %msg) = @_;	1771	my ($path) = @_;
1106		1772
1107	$msg{msgid} = $id;	1773	$path =~ s/^~[^\/]*//; # skip ~login
1108		1774
1109	$self->send ("ext " . to_json \%msg);	1775	my ($match, $specificity);
		1776
		1777	for my $region (list) {
		1778	if ($region->{match} && $path =~ $region->{match}) {
		1779	($match, $specificity) = ($region, $region->specificity)
		1780	if $region->specificity > $specificity;
		1781	}
		1782	}
		1783
		1784	$match
1110	}	1785	}
1111		1786
1112	=back	1787	=back
1113
1114		1788
1115	=head3 cf::map	1789	=head3 cf::map
1116		1790
1117	=over 4	1791	=over 4
1118		1792
…		…
1121	package cf::map;	1795	package cf::map;
1122		1796
1123	use Fcntl;	1797	use Fcntl;
1124	use Coro::AIO;	1798	use Coro::AIO;
1125		1799
		1800	use overload
		1801	'""' => \&as_string,
		1802	fallback => 1;
		1803
1126	our $MAX_RESET = 3600;	1804	our $MAX_RESET = 3600;
1127	our $DEFAULT_RESET = 3000;	1805	our $DEFAULT_RESET = 3000;
1128		1806
1129	sub generate_random_map {	1807	sub generate_random_map {
1130	my ($path, $rmp) = @_;	1808	my ($self, $rmp) = @_;
		1809
		1810	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1131		1811
1132	# mit "rum" bekleckern, nicht	1812	# mit "rum" bekleckern, nicht
1133	cf::map::_create_random_map	1813	$self->_create_random_map (
1134	$path,
1135	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1814	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1815	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1137	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1816	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138	$rmp->{exit_on_final_map},	1817	$rmp->{exit_on_final_map},
1139	$rmp->{xsize}, $rmp->{ysize},	1818	$rmp->{xsize}, $rmp->{ysize},
1140	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1819	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1820	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1821	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1822	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1823	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145	(cf::region::find $rmp->{region})	1824	(cf::region::find $rmp->{region}), $rmp->{custom}
		1825	)
1146	}	1826	}
1147		1827
1148	# and all this just because we cannot iterate over	1828	=item cf::map->register ($regex, $prio)
1149	# all maps in C++...
1150	sub change_all_map_light {
1151	my ($change) = @_;
1152		1829
1153	$_->change_map_light ($change)	1830	Register a handler for the map path matching the given regex at the
1154	for grep $_->outdoor, values %cf::MAP;	1831	givne priority (higher is better, built-in handlers have priority 0, the
1155	}	1832	default).
1156		1833
1157	sub try_load_header($) {	1834	=cut
		1835
		1836	sub register {
		1837	my (undef, $regex, $prio) = @_;
		1838	my $pkg = caller;
		1839
		1840	no strict;
		1841	push @{"$pkg\::ISA"}, __PACKAGE__;
		1842
		1843	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1844	}
		1845
		1846	# also paths starting with '/'
		1847	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1848
		1849	sub thawer_merge {
		1850	my ($self, $merge) = @_;
		1851
		1852	# we have to keep some variables in memory intact
		1853	local $self->{path};
		1854	local $self->{load_path};
		1855
		1856	$self->SUPER::thawer_merge ($merge);
		1857	}
		1858
		1859	sub normalise {
1158	my ($path) = @_;	1860	my ($path, $base) = @_;
		1861
		1862	$path = "$path"; # make sure its a string
		1863
		1864	$path =~ s/\.map$//;
		1865
		1866	# map plan:
		1867	#
		1868	# /! non-realised random map exit (special hack!)
		1869	# {... are special paths that are not being touched
		1870	# ?xxx/... are special absolute paths
		1871	# ?random/... random maps
		1872	# /... normal maps
		1873	# ~user/... per-player map of a specific user
		1874
		1875	$path =~ s/$PATH_SEP/\//go;
		1876
		1877	# treat it as relative path if it starts with
		1878	# something that looks reasonable
		1879	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1880	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1881
		1882	$base =~ s{[^/]+/?$}{};
		1883	$path = "$base/$path";
		1884	}
		1885
		1886	for ($path) {
		1887	redo if s{//}{/};
		1888	redo if s{/\.?/}{/};
		1889	redo if s{/[^/]+/\.\./}{/};
		1890	}
		1891
		1892	$path
		1893	}
		1894
		1895	sub new_from_path {
		1896	my (undef, $path, $base) = @_;
		1897
		1898	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1899
		1900	$path = normalise $path, $base;
		1901
		1902	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1903	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1904	my $self = bless cf::map::new, $pkg;
		1905	$self->{path} = $path; $self->path ($path);
		1906	$self->init; # pass $1 etc.
		1907	return $self;
		1908	}
		1909	}
		1910
		1911	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1912	()
		1913	}
		1914
		1915	sub init {
		1916	my ($self) = @_;
		1917
		1918	$self
		1919	}
		1920
		1921	sub as_string {
		1922	my ($self) = @_;
		1923
		1924	"$self->{path}"
		1925	}
		1926
		1927	# the displayed name, this is a one way mapping
		1928	sub visible_name {
		1929	&as_string
		1930	}
		1931
		1932	# the original (read-only) location
		1933	sub load_path {
		1934	my ($self) = @_;
		1935
		1936	"$MAPDIR/$self->{path}.map"
		1937	}
		1938
		1939	# the temporary/swap location
		1940	sub save_path {
		1941	my ($self) = @_;
		1942
		1943	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1944	"$TMPDIR/$path.map"
		1945	}
		1946
		1947	# the unique path, undef == no special unique path
		1948	sub uniq_path {
		1949	my ($self) = @_;
		1950
		1951	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1952	"$UNIQUEDIR/$path"
		1953	}
		1954
		1955	sub decay_objects {
		1956	my ($self) = @_;
		1957
		1958	return if $self->{deny_reset};
		1959
		1960	$self->do_decay_objects;
		1961	}
		1962
		1963	sub unlink_save {
		1964	my ($self) = @_;
		1965
		1966	utf8::encode (my $save = $self->save_path);
		1967	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1968	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1969	}
		1970
		1971	sub load_header_from($) {
		1972	my ($self, $path) = @_;
1159		1973
1160	utf8::encode $path;	1974	utf8::encode $path;
1161	aio_open $path, O_RDONLY, 0	1975	my $f = new_from_file cf::object::thawer $path
1162	or return;	1976	or return;
1163		1977
1164	my $map = cf::map::new	1978	$self->_load_header ($f)
1165	or return;	1979	or return;
1166		1980
1167	# for better error messages only, will be overwritten	1981	local $MAP_LOADING{$self->{path}} = $self;
1168	$map->path ($path);	1982	$f->resolve_delayed_derefs;
1169		1983
1170	$map->load_header ($path)	1984	$self->{load_path} = $path;
		1985
		1986	1
		1987	}
		1988
		1989	sub load_header_orig {
		1990	my ($self) = @_;
		1991
		1992	$self->load_header_from ($self->load_path)
		1993	}
		1994
		1995	sub load_header_temp {
		1996	my ($self) = @_;
		1997
		1998	$self->load_header_from ($self->save_path)
		1999	}
		2000
		2001	sub prepare_temp {
		2002	my ($self) = @_;
		2003
		2004	$self->last_access ((delete $self->{last_access})
		2005	|| $cf::RUNTIME); #d#
		2006	# safety
		2007	$self->{instantiate_time} = $cf::RUNTIME
		2008	if $self->{instantiate_time} > $cf::RUNTIME;
		2009	}
		2010
		2011	sub prepare_orig {
		2012	my ($self) = @_;
		2013
		2014	$self->{load_original} = 1;
		2015	$self->{instantiate_time} = $cf::RUNTIME;
		2016	$self->last_access ($cf::RUNTIME);
		2017	$self->instantiate;
		2018	}
		2019
		2020	sub load_header {
		2021	my ($self) = @_;
		2022
		2023	if ($self->load_header_temp) {
		2024	$self->prepare_temp;
		2025	} else {
		2026	$self->load_header_orig
1171	or return;	2027	or return;
		2028	$self->prepare_orig;
		2029	}
1172		2030
1173	$map->{load_path} = $path;	2031	$self->{deny_reset} = 1
		2032	if $self->no_reset;
1174		2033
1175	$map	2034	$self->default_region (cf::region::find_by_path $self->{path})
		2035	unless $self->default_region;
		2036
		2037	1
1176	}	2038	}
1177		2039
1178	sub find;	2040	sub find;
1179	sub find {	2041	sub find {
1180	my ($path, $origin) = @_;	2042	my ($path, $origin) = @_;
1181		2043
1182	#warn "find<$path,$origin>\n";#d#
1183
1184	$path = new cf::path $path, $origin && $origin->path;	2044	$path = normalise $path, $origin && $origin->path;
1185	my $key = $path->as_string;
1186		2045
1187	cf::lock_wait "map_find:$key";	2046	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1188
1189	$cf::MAP{$key} || do {
1190	my $guard = cf::lock_acquire "map_find:$key";	2047	my $guard2 = cf::lock_acquire "map_find:$path";
1191		2048
1192	# do it the slow way	2049	$cf::MAP{$path} || do {
1193	my $map = try_load_header $path->save_path;	2050	my $map = new_from_path cf::map $path
1194
1195	Coro::cede;
1196
1197	if ($map) {
1198	$map->last_access ((delete $map->{last_access})
1199	|| $cf::RUNTIME); #d#
1200	# safety
1201	$map->{instantiate_time} = $cf::RUNTIME
1202	if $map->{instantiate_time} > $cf::RUNTIME;
1203	} else {
1204	if (my $rmp = $path->random_map_params) {
1205	$map = generate_random_map $key, $rmp;
1206	} else {
1207	$map = try_load_header $path->load_path;
1208	}
1209
1210	$map or return;	2051	or return;
1211		2052
1212	$map->{load_original} = 1;
1213	$map->{instantiate_time} = $cf::RUNTIME;
1214	$map->last_access ($cf::RUNTIME);
1215	$map->instantiate;
1216
1217	# per-player maps become, after loading, normal maps
1218	$map->per_player (0) if $path->{user_rel};
1219	}
1220
1221	$map->path ($key);
1222	$map->{path} = $path;
1223	$map->{last_save} = $cf::RUNTIME;	2053	$map->{last_save} = $cf::RUNTIME;
1224		2054
1225	Coro::cede;	2055	$map->load_header
		2056	or return;
1226		2057
1227	if ($map->should_reset) {	2058	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2059	# doing this can freeze the server in a sync job, obviously
		2060	#$cf::WAIT_FOR_TICK->wait;
		2061	undef $guard2;
		2062	undef $guard1;
1228	$map->reset;	2063	$map->reset;
1229	undef $guard;
1230	$map = find $path	2064	return find $path;
1231	or return;
1232	}	2065	}
1233		2066
1234	$cf::MAP{$key} = $map	2067	$cf::MAP{$path} = $map
1235	}	2068	}
1236	}	2069	}
		2070
		2071	sub pre_load { }
		2072	#sub post_load { } # XS
1237		2073
1238	sub load {	2074	sub load {
1239	my ($self) = @_;	2075	my ($self) = @_;
1240		2076
		2077	local $self->{deny_reset} = 1; # loading can take a long time
		2078
1241	my $path = $self->{path};	2079	my $path = $self->{path};
		2080
		2081	{
1242	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2082	my $guard = cf::lock_acquire "map_data:$path";
1243		2083
		2084	return unless $self->valid;
1244	return if $self->in_memory != cf::MAP_SWAPPED;	2085	return unless $self->in_memory == cf::MAP_SWAPPED;
1245		2086
1246	$self->in_memory (cf::MAP_LOADING);	2087	$self->in_memory (cf::MAP_LOADING);
1247		2088
1248	$self->alloc;	2089	$self->alloc;
1249	$self->load_objects ($self->{load_path}, 1)	2090
		2091	$self->pre_load;
		2092	cf::cede_to_tick;
		2093
		2094	my $f = new_from_file cf::object::thawer $self->{load_path};
		2095	$f->skip_block;
		2096	$self->_load_objects ($f)
1250	or return;	2097	or return;
1251		2098
1252	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2099	$self->post_load_original
1253	if delete $self->{load_original};	2100	if delete $self->{load_original};
1254		2101
1255	if (my $uniq = $path->uniq_path) {	2102	if (my $uniq = $self->uniq_path) {
1256	utf8::encode $uniq;	2103	utf8::encode $uniq;
1257	if (aio_open $uniq, O_RDONLY, 0) {	2104	unless (aio_stat $uniq) {
		2105	if (my $f = new_from_file cf::object::thawer $uniq) {
1258	$self->clear_unique_items;	2106	$self->clear_unique_items;
1259	$self->load_objects ($uniq, 0);	2107	$self->_load_objects ($f);
		2108	$f->resolve_delayed_derefs;
		2109	}
1260	}	2110	}
1261	}	2111	}
1262		2112
1263	Coro::cede;	2113	$f->resolve_delayed_derefs;
1264		2114
		2115	cf::cede_to_tick;
1265	# now do the right thing for maps	2116	# now do the right thing for maps
1266	$self->link_multipart_objects;	2117	$self->link_multipart_objects;
1267
1268	if ($self->{path}->is_style_map) {
1269	$self->{deny_save} = 1;
1270	$self->{deny_reset} = 1;
1271	} else {
1272	$self->fix_auto_apply;
1273	$self->decay_objects;
1274	$self->update_buttons;
1275	$self->set_darkness_map;
1276	$self->difficulty ($self->estimate_difficulty)	2118	$self->difficulty ($self->estimate_difficulty)
1277	unless $self->difficulty;	2119	unless $self->difficulty;
		2120	cf::cede_to_tick;
		2121
		2122	unless ($self->{deny_activate}) {
		2123	$self->decay_objects;
		2124	$self->fix_auto_apply;
		2125	$self->update_buttons;
		2126	cf::cede_to_tick;
1278	$self->activate;	2127	$self->activate;
1279	}	2128	}
1280		2129
1281	Coro::cede;	2130	$self->{last_save} = $cf::RUNTIME;
		2131	$self->last_access ($cf::RUNTIME);
1282		2132
1283	$self->in_memory (cf::MAP_IN_MEMORY);	2133	$self->in_memory (cf::MAP_ACTIVE);
		2134	}
		2135
		2136	$self->post_load;
		2137	}
		2138
		2139	# customize the map for a given player, i.e.
		2140	# return the _real_ map. used by e.g. per-player
		2141	# maps to change the path to ~playername/mappath
		2142	sub customise_for {
		2143	my ($self, $ob) = @_;
		2144
		2145	return find "~" . $ob->name . "/" . $self->{path}
		2146	if $self->per_player;
		2147
		2148	# return find "?party/" . $ob->name . "/" . $self->{path}
		2149	# if $self->per_party;
		2150
		2151	$self
		2152	}
		2153
		2154	# find and load all maps in the 3x3 area around a map
		2155	sub load_neighbours {
		2156	my ($map) = @_;
		2157
		2158	my @neigh; # diagonal neighbours
		2159
		2160	for (0 .. 3) {
		2161	my $neigh = $map->tile_path ($_)
		2162	or next;
		2163	$neigh = find $neigh, $map
		2164	or next;
		2165	$neigh->load;
		2166
		2167	push @neigh,
		2168	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2169	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2170	}
		2171
		2172	for (grep defined $_->[0], @neigh) {
		2173	my ($path, $origin) = @$_;
		2174	my $neigh = find $path, $origin
		2175	or next;
		2176	$neigh->load;
		2177	}
1284	}	2178	}
1285		2179
1286	sub find_sync {	2180	sub find_sync {
1287	my ($path, $origin) = @_;	2181	my ($path, $origin) = @_;
1288		2182
1289	cf::sync_job { cf::map::find $path, $origin }	2183	cf::sync_job { find $path, $origin }
1290	}	2184	}
1291		2185
1292	sub do_load_sync {	2186	sub do_load_sync {
1293	my ($map) = @_;	2187	my ($map) = @_;
1294		2188
		2189	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2190	if $Coro::current == $Coro::main;
		2191
1295	cf::sync_job { $map->load };	2192	cf::sync_job { $map->load };
		2193	}
		2194
		2195	our %MAP_PREFETCH;
		2196	our $MAP_PREFETCHER = undef;
		2197
		2198	sub find_async {
		2199	my ($path, $origin, $load) = @_;
		2200
		2201	$path = normalise $path, $origin && $origin->{path};
		2202
		2203	if (my $map = $cf::MAP{$path}) {
		2204	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2205	}
		2206
		2207	$MAP_PREFETCH{$path} |= $load;
		2208
		2209	$MAP_PREFETCHER ||= cf::async {
		2210	$Coro::current->{desc} = "map prefetcher";
		2211
		2212	while (%MAP_PREFETCH) {
		2213	while (my ($k, $v) = each %MAP_PREFETCH) {
		2214	if (my $map = find $k) {
		2215	$map->load if $v;
		2216	}
		2217
		2218	delete $MAP_PREFETCH{$k};
		2219	}
		2220	}
		2221	undef $MAP_PREFETCHER;
		2222	};
		2223	$MAP_PREFETCHER->prio (6);
		2224
		2225	()
		2226	}
		2227
		2228	# common code, used by both ->save and ->swapout
		2229	sub _save {
		2230	my ($self) = @_;
		2231
		2232	$self->{last_save} = $cf::RUNTIME;
		2233
		2234	return unless $self->dirty;
		2235
		2236	my $save = $self->save_path; utf8::encode $save;
		2237	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2238
		2239	$self->{load_path} = $save;
		2240
		2241	return if $self->{deny_save};
		2242
		2243	local $self->{last_access} = $self->last_access;#d#
		2244
		2245	cf::async {
		2246	$Coro::current->{desc} = "map player save";
		2247	$_->contr->save for $self->players;
		2248	};
		2249
		2250	cf::get_slot 0.02;
		2251
		2252	if ($uniq) {
		2253	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2254	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2255	} else {
		2256	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2257	}
1296	}	2258	}
1297		2259
1298	sub save {	2260	sub save {
1299	my ($self) = @_;	2261	my ($self) = @_;
1300		2262
1301	$self->{last_save} = $cf::RUNTIME;	2263	my $lock = cf::lock_acquire "map_data:$self->{path}";
1302		2264
1303	return unless $self->dirty;	2265	$self->_save;
1304
1305	my $save = $self->{path}->save_path; utf8::encode $save;
1306	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1307
1308	$self->{load_path} = $save;
1309
1310	return if $self->{deny_save};
1311
1312	local $self->{last_access} = $self->last_access;#d#
1313
1314	if ($uniq) {
1315	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316	$self->save_objects ($uniq, cf::IO_UNIQUES);
1317	} else {
1318	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319	}
1320	}	2266	}
1321		2267
1322	sub swap_out {	2268	sub swap_out {
1323	my ($self) = @_;	2269	my ($self) = @_;
1324		2270
1325	# save first because save cedes	2271	my $lock = cf::lock_acquire "map_data:$self->{path}";
1326	$self->save;
1327		2272
		2273	return if $self->in_memory != cf::MAP_ACTIVE;
		2274	return if $self->{deny_save};
1328	return if $self->players;	2275	return if $self->players;
1329	return if $self->in_memory != cf::MAP_IN_MEMORY;
1330	return if $self->{deny_save};
1331		2276
		2277	# first deactivate the map and "unlink" it from the core
		2278	$self->deactivate;
		2279	$_->clear_links_to ($self) for values %cf::MAP;
		2280	$self->in_memory (cf::MAP_SWAPPED);
		2281
		2282	# then atomically save
		2283	$self->_save;
		2284
		2285	# then free the map
1332	$self->clear;	2286	$self->clear;
1333	$self->in_memory (cf::MAP_SWAPPED);
1334	}	2287	}
1335		2288
1336	sub reset_at {	2289	sub reset_at {
1337	my ($self) = @_;	2290	my ($self) = @_;
1338		2291
1339	# TODO: safety, remove and allow resettable per-player maps	2292	# TODO: safety, remove and allow resettable per-player maps
1340	return 1e99 if $self->{path}{user_rel};
1341	return 1e99 if $self->{deny_reset};	2293	return 1e99 if $self->{deny_reset};
1342		2294
1343	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2295	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2296	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345		2297
…		…
1350	my ($self) = @_;	2302	my ($self) = @_;
1351		2303
1352	$self->reset_at <= $cf::RUNTIME	2304	$self->reset_at <= $cf::RUNTIME
1353	}	2305	}
1354		2306
1355	sub unlink_save {
1356	my ($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	$self->save;
1374	}
1375
1376	sub reset {	2307	sub reset {
1377	my ($self) = @_;	2308	my ($self) = @_;
1378		2309
		2310	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2311
1379	return if $self->players;	2312	return if $self->players;
1380	return if $self->{path}{user_rel};#d#
1381		2313
1382	warn "resetting map ", $self->path;#d#	2314	warn "resetting map ", $self->path, "\n";
		2315
		2316	$self->in_memory (cf::MAP_SWAPPED);
		2317
		2318	# need to save uniques path
		2319	unless ($self->{deny_save}) {
		2320	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2321
		2322	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2323	if $uniq;
		2324	}
1383		2325
1384	delete $cf::MAP{$self->path};	2326	delete $cf::MAP{$self->path};
1385		2327
		2328	$self->deactivate;
1386	$_->clear_links_to ($self) for values %cf::MAP;	2329	$_->clear_links_to ($self) for values %cf::MAP;
		2330	$self->clear;
1387		2331
1388	$self->unlink_save;	2332	$self->unlink_save;
1389	$self->destroy;	2333	$self->destroy;
1390	}	2334	}
1391		2335
1392	my $nuke_counter = "aaaa";	2336	my $nuke_counter = "aaaa";
1393		2337
1394	sub nuke {	2338	sub nuke {
1395	my ($self) = @_;	2339	my ($self) = @_;
1396		2340
		2341	{
		2342	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2343
		2344	delete $cf::MAP{$self->path};
		2345
		2346	$self->unlink_save;
		2347
		2348	bless $self, "cf::map::wrap";
		2349	delete $self->{deny_reset};
1397	$self->{deny_save} = 1;	2350	$self->{deny_save} = 1;
1398	$self->reset_timeout (1);	2351	$self->reset_timeout (1);
1399	$self->rename ("{nuke}/" . ($nuke_counter++));	2352	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2353
		2354	$cf::MAP{$self->path} = $self;
		2355	}
		2356
1400	$self->reset; # polite request, might not happen	2357	$self->reset; # polite request, might not happen
1401	}	2358	}
1402		2359
1403	sub customise_for {	2360	=item $maps = cf::map::tmp_maps
1404	my ($map, $ob) = @_;
1405		2361
1406	if ($map->per_player) {	2362	Returns an arrayref with all map paths of currently instantiated and saved
1407	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2363	maps. May block.
		2364
		2365	=cut
		2366
		2367	sub tmp_maps() {
1408	}	2368	[
1409		2369	map {
1410	$map	2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise $_
		2373	: ()
		2374	} @{ aio_readdir $TMPDIR or [] }
		2375	]
1411	}	2376	}
1412		2377
1413	sub emergency_save {	2378	=item $maps = cf::map::random_maps
1414	my $freeze_guard = cf::freeze_mainloop;
1415		2379
1416	warn "enter emergency map save\n";	2380	Returns an arrayref with all map paths of currently instantiated and saved
		2381	random maps. May block.
1417		2382
1418	cf::sync_job {	2383	=cut
1419	warn "begin emergency map save\n";	2384
1420	$_->save for values %cf::MAP;	2385	sub random_maps() {
		2386	[
		2387	map {
		2388	utf8::decode $_;
		2389	/\.map$/
		2390	? normalise "?random/$_"
		2391	: ()
		2392	} @{ aio_readdir $RANDOMDIR or [] }
		2393	]
		2394	}
		2395
		2396	=item cf::map::unique_maps
		2397
		2398	Returns an arrayref of paths of all shared maps that have
		2399	instantiated unique items. May block.
		2400
		2401	=cut
		2402
		2403	sub unique_maps() {
		2404	[
		2405	map {
		2406	utf8::decode $_;
		2407	s/\.map$//; # TODO future compatibility hack
		2408	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2409	? ()
		2410	: normalise $_
		2411	} @{ aio_readdir $UNIQUEDIR or [] }
		2412	]
		2413	}
		2414
		2415	=item cf::map::static_maps
		2416
		2417	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2418	file in the shared directory excluding F</styles> and F</editor>). May
		2419	block.
		2420
		2421	=cut
		2422
		2423	sub static_maps() {
		2424	my @dirs = "";
		2425	my @maps;
		2426
		2427	while (@dirs) {
		2428	my $dir = shift @dirs;
		2429
		2430	next if $dir eq "/styles" || $dir eq "/editor";
		2431
		2432	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2433	or return;
		2434
		2435	for (@$files) {
		2436	s/\.map$// or next;
		2437	utf8::decode $_;
		2438	push @maps, "$dir/$_";
		2439	}
		2440
		2441	push @dirs, map "$dir/$_", @$dirs;
1421	};	2442	}
1422		2443
1423	warn "end emergency map save\n";	2444	\@maps
		2445	}
		2446
		2447	=back
		2448
		2449	=head3 cf::object
		2450
		2451	=cut
		2452
		2453	package cf::object;
		2454
		2455	=over 4
		2456
		2457	=item $ob->inv_recursive
		2458
		2459	Returns the inventory of the object I<and> their inventories, recursively,
		2460	but I<not> the object itself.
		2461
		2462	=cut
		2463
		2464	sub inv_recursive_;
		2465	sub inv_recursive_ {
		2466	map { $_, inv_recursive_ $_->inv } @_
		2467	}
		2468
		2469	sub inv_recursive {
		2470	inv_recursive_ inv $_[0]
		2471	}
		2472
		2473	=item $ref = $ob->ref
		2474
		2475	Creates and returns a persistent reference to an object that can be stored as a string.
		2476
		2477	=item $ob = cf::object::deref ($refstring)
		2478
		2479	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2480	even if the object actually exists. May block.
		2481
		2482	=cut
		2483
		2484	sub deref {
		2485	my ($ref) = @_;
		2486
		2487	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2488	my ($uuid, $name) = ($1, $2);
		2489	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2490	or return;
		2491	$pl->ob->uuid eq $uuid
		2492	or return;
		2493
		2494	$pl->ob
		2495	} else {
		2496	warn "$ref: cannot resolve object reference\n";
		2497	undef
		2498	}
1424	}	2499	}
1425		2500
1426	package cf;	2501	package cf;
1427		2502
1428	=back	2503	=back
1429
1430		2504
1431	=head3 cf::object::player	2505	=head3 cf::object::player
1432		2506
1433	=over 4	2507	=over 4
1434		2508
…		…
1437	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2511	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	2512	can be C<undef>. Does the right thing when the player is currently in a
1439	dialogue with the given NPC character.	2513	dialogue with the given NPC character.
1440		2514
1441	=cut	2515	=cut
		2516
		2517	our $SAY_CHANNEL = {
		2518	id => "say",
		2519	title => "Map",
		2520	reply => "say ",
		2521	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2522	};
		2523
		2524	our $CHAT_CHANNEL = {
		2525	id => "chat",
		2526	title => "Chat",
		2527	reply => "chat ",
		2528	tooltip => "Player chat and shouts, global to the server.",
		2529	};
1442		2530
1443	# rough implementation of a future "reply" method that works	2531	# rough implementation of a future "reply" method that works
1444	# with dialog boxes.	2532	# with dialog boxes.
1445	#TODO: the first argument must go, split into a $npc->reply_to ( method	2533	#TODO: the first argument must go, split into a $npc->reply_to ( method
1446	sub cf::object::player::reply($$$;$) {	2534	sub cf::object::player::reply($$$;$) {
…		…
1448		2536
1449	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2537	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1450		2538
1451	if ($self->{record_replies}) {	2539	if ($self->{record_replies}) {
1452	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2540	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2541
1453	} else {	2542	} else {
		2543	my $pl = $self->contr;
		2544
		2545	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2546	my $dialog = $pl->{npc_dialog};
		2547	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2548
		2549	} else {
1454	$msg = $npc->name . " says: $msg" if $npc;	2550	$msg = $npc->name . " says: $msg" if $npc;
1455	$self->message ($msg, $flags);	2551	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2552	}
1456	}	2553	}
		2554	}
		2555
		2556	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2557
		2558	=cut
		2559
		2560	sub cf::object::send_msg {
		2561	my $pl = shift->contr
		2562	or return;
		2563	$pl->send_msg (@_);
1457	}	2564	}
1458		2565
1459	=item $player_object->may ("access")	2566	=item $player_object->may ("access")
1460		2567
1461	Returns wether the given player is authorized to access resource "access"	2568	Returns wether the given player is authorized to access resource "access"
…		…
1474		2581
1475	=item $player_object->enter_link	2582	=item $player_object->enter_link
1476		2583
1477	Freezes the player and moves him/her to a special map (C<{link}>).	2584	Freezes the player and moves him/her to a special map (C<{link}>).
1478		2585
1479	The player should be reaosnably safe there for short amounts of time. You	2586	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.	2587	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2588	though, as the palyer cannot control the character while it is on the link
		2589	map.
		2590
		2591	Will never block.
1481		2592
1482	=item $player_object->leave_link ($map, $x, $y)	2593	=item $player_object->leave_link ($map, $x, $y)
1483		2594
1484	Moves the player out of the specila link map onto the given map. If the	2595	Moves the player out of the special C<{link}> map onto the specified
1485	map is not valid (or omitted), the player will be moved back to the	2596	map. If the map is not valid (or omitted), the player will be moved back
1486	location he/she was before the call to C<enter_link>, or, if that fails,	2597	to the location he/she was before the call to C<enter_link>, or, if that
1487	to the emergency map position.	2598	fails, to the emergency map position.
1488		2599
1489	Might block.	2600	Might block.
1490		2601
1491	=cut	2602	=cut
		2603
		2604	sub link_map {
		2605	unless ($LINK_MAP) {
		2606	$LINK_MAP = cf::map::find "{link}"
		2607	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2608	$LINK_MAP->load;
		2609	}
		2610
		2611	$LINK_MAP
		2612	}
1492		2613
1493	sub cf::object::player::enter_link {	2614	sub cf::object::player::enter_link {
1494	my ($self) = @_;	2615	my ($self) = @_;
1495		2616
1496	$self->deactivate_recursive;	2617	$self->deactivate_recursive;
1497		2618
1498	return if $self->map == $LINK_MAP;	2619	return if UNIVERSAL::isa $self->map, "ext::map_link";
1499		2620
1500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2621	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501	if $self->map;	2622	if $self->map && $self->map->{path} ne "{link}";
1502		2623
1503	$self->enter_map ($LINK_MAP, 20, 20);	2624	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1504	}	2625	}
1505		2626
1506	sub cf::object::player::leave_link {	2627	sub cf::object::player::leave_link {
1507	my ($self, $map, $x, $y) = @_;	2628	my ($self, $map, $x, $y) = @_;
		2629
		2630	return unless $self->contr->active;
1508		2631
1509	my $link_pos = delete $self->{_link_pos};	2632	my $link_pos = delete $self->{_link_pos};
1510		2633
1511	unless ($map) {	2634	unless ($map) {
1512	# restore original map position	2635	# restore original map position
…		…
1523	($x, $y) = (-1, -1)	2646	($x, $y) = (-1, -1)
1524	unless (defined $x) && (defined $y);	2647	unless (defined $x) && (defined $y);
1525		2648
1526	# use -1 or undef as default coordinates, not 0, 0	2649	# use -1 or undef as default coordinates, not 0, 0
1527	($x, $y) = ($map->enter_x, $map->enter_y)	2650	($x, $y) = ($map->enter_x, $map->enter_y)
1528	if $x <=0 && $y <= 0;	2651	if $x <= 0 && $y <= 0;
1529		2652
1530	$map->load;	2653	$map->load;
		2654	$map->load_neighbours;
1531		2655
1532	$self->activate_recursive;	2656	return unless $self->contr->active;
		2657
		2658	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1533	$self->enter_map ($map, $x, $y);	2659	$self->enter_map ($map, $x, $y);
1534	}
1535		2660
1536	cf::player->attach (	2661	# only activate afterwards, to support waiting in hooks
1537	on_logout => sub {	2662	$self->activate_recursive
1538	my ($pl) = @_;	2663	unless exists $self->{_link_pos}; # maybe we re in-flight again
		2664	}
1539		2665
1540	# abort map switching before logout	2666	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1541	if ($pl->ob->{_link_pos}) {
1542	cf::sync_job {
1543	$pl->ob->leave_link
1544	};
1545	}
1546	},
1547	on_login => sub {
1548	my ($pl) = @_;
1549		2667
1550	# try to abort aborted map switching on player login :)	2668	Moves the player to the given map-path and coordinates by first freezing
1551	# should happen only on crashes	2669	her, loading and preparing them map, calling the provided $check callback
1552	if ($pl->ob->{_link_pos}) {	2670	that has to return the map if sucecssful, and then unfreezes the player on
1553	$pl->ob->enter_link;	2671	the new (success) or old (failed) map position. In either case, $done will
1554	cf::async {	2672	be called at the end of this process.
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		2673
1564	=item $player_object->goto_map ($path, $x, $y)	2674	Note that $check will be called with a potentially non-loaded map, so if
		2675	it needs a loaded map it has to call C<< ->load >>.
1565		2676
1566	=cut	2677	=cut
1567		2678
		2679	our $GOTOGEN;
		2680
1568	sub cf::object::player::goto_map {	2681	sub cf::object::player::goto {
1569	my ($self, $path, $x, $y) = @_;	2682	my ($self, $path, $x, $y, $check, $done) = @_;
		2683
		2684	# do generation counting so two concurrent goto's will be executed in-order
		2685	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1570		2686
1571	$self->enter_link;	2687	$self->enter_link;
1572		2688
1573	(cf::async {	2689	(async {
1574	$path = new cf::path $path;	2690	$Coro::current->{desc} = "player::goto $path $x $y";
1575		2691
1576	my $map = cf::map::find $path->as_string;	2692	# *tag paths override both path and x|y
		2693	if ($path =~ /^\*(.*)$/) {
		2694	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2695	my $ob = $obs[rand @obs];
		2696
		2697	# see if we actually can go there
		2698	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2699	$ob = $obs[rand @obs];
		2700	} else {
		2701	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2702	}
		2703	# else put us there anyways for now #d#
		2704
		2705	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2706	} else {
		2707	($path, $x, $y) = (undef, undef, undef);
		2708	}
		2709	}
		2710
		2711	my $map = eval {
		2712	my $map = defined $path ? cf::map::find $path : undef;
		2713
		2714	if ($map) {
1577	$map = $map->customise_for ($self) if $map;	2715	$map = $map->customise_for ($self);
1578		2716	$map = $check->($map) if $check && $map;
1579	# warn "entering ", $map->path, " at ($x, $y)\n"	2717	} else {
1580	# if $map;
1581
1582	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2718	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2719	}
1583		2720
		2721	$map
		2722	};
		2723
		2724	if ($@) {
		2725	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2726	LOG llevError | logBacktrace, Carp::longmess $@;
		2727	}
		2728
		2729	if ($gen == $self->{_goto_generation}) {
		2730	delete $self->{_goto_generation};
1584	$self->leave_link ($map, $x, $y);	2731	$self->leave_link ($map, $x, $y);
		2732	}
		2733
		2734	$done->() if $done;
1585	})->prio (1);	2735	})->prio (1);
1586	}	2736	}
1587		2737
1588	=item $player_object->enter_exit ($exit_object)	2738	=item $player_object->enter_exit ($exit_object)
1589		2739
…		…
1591		2741
1592	sub parse_random_map_params {	2742	sub parse_random_map_params {
1593	my ($spec) = @_;	2743	my ($spec) = @_;
1594		2744
1595	my $rmp = { # defaults	2745	my $rmp = { # defaults
1596	xsize => 10,	2746	xsize => (cf::rndm 15, 40),
1597	ysize => 10,	2747	ysize => (cf::rndm 15, 40),
		2748	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2749	#layout => string,
1598	};	2750	};
1599		2751
1600	for (split /\n/, $spec) {	2752	for (split /\n/, $spec) {
1601	my ($k, $v) = split /\s+/, $_, 2;	2753	my ($k, $v) = split /\s+/, $_, 2;
1602		2754
…		…
1614	# that depends on the exit object	2766	# that depends on the exit object
1615		2767
1616	my $rmp = parse_random_map_params $exit->msg;	2768	my $rmp = parse_random_map_params $exit->msg;
1617		2769
1618	if ($exit->map) {	2770	if ($exit->map) {
1619	$rmp->{region} = $exit->map->region_name;	2771	$rmp->{region} = $exit->region->name;
1620	$rmp->{origin_map} = $exit->map->path;	2772	$rmp->{origin_map} = $exit->map->path;
1621	$rmp->{origin_x} = $exit->x;	2773	$rmp->{origin_x} = $exit->x;
1622	$rmp->{origin_y} = $exit->y;	2774	$rmp->{origin_y} = $exit->y;
		2775
		2776	$exit->map->touch;
1623	}	2777	}
1624		2778
1625	$rmp->{random_seed} ||= $exit->random_seed;	2779	$rmp->{random_seed} ||= $exit->random_seed;
1626		2780
1627	my $data = cf::to_json $rmp;	2781	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1628	my $md5 = Digest::MD5::md5_hex $data;	2782	my $md5 = Digest::MD5::md5_hex $data;
		2783	my $meta = "$RANDOMDIR/$md5.meta";
1629		2784
1630	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2785	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1631	aio_write $fh, 0, (length $data), $data, 0;	2786	aio_write $fh, 0, (length $data), $data, 0;
		2787	undef $fh;
		2788	aio_rename "$meta~", $meta;
1632		2789
		2790	my $slaying = "?random/$md5";
		2791
		2792	if ($exit->valid) {
1633	$exit->slaying ("?random/$md5");	2793	$exit->slaying ("?random/$md5");
1634	$exit->msg (undef);	2794	$exit->msg (undef);
		2795	}
1635	}	2796	}
1636	}	2797	}
1637		2798
1638	sub cf::object::player::enter_exit {	2799	sub cf::object::player::enter_exit {
1639	my ($self, $exit) = @_;	2800	my ($self, $exit) = @_;
1640		2801
1641	return unless $self->type == cf::PLAYER;	2802	return unless $self->type == cf::PLAYER;
1642		2803
1643	$self->enter_link;	2804	$self->enter_link;
1644		2805
1645	(cf::async {	2806	(async {
1646	$self->deactivate_recursive; # just to be sure	2807	$Coro::current->{desc} = "enter_exit";
		2808
1647	unless (eval {	2809	unless (eval {
		2810	$self->deactivate_recursive; # just to be sure
		2811
		2812	# random map handling
		2813	{
		2814	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2815
1648	prepare_random_map $exit	2816	prepare_random_map $exit
1649	if $exit->slaying eq "/!";	2817	if $exit->slaying eq "/!";
		2818	}
1650		2819
1651	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2820	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1652	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);	2821	my $x = $exit->stats->hp;
		2822	my $y = $exit->stats->sp;
1653		2823
		2824	$self->goto ($map, $x, $y);
		2825
		2826	# if exit is damned, update players death & WoR home-position
		2827	$self->contr->savebed ($map, $x, $y)
		2828	if $exit->flag (cf::FLAG_DAMNED);
		2829
1654	1;	2830	1
1655	}) {	2831	}) {
1656	$self->message ("Something went wrong deep within the crossfire server. "	2832	$self->message ("Something went wrong deep within the deliantra server. "
1657	. "I'll try to bring you back to the map you were before. "	2833	. "I'll try to bring you back to the map you were before. "
1658	. "Please report this to the dungeon master",	2834	. "Please report this to the dungeon master!",
1659	cf::NDI_UNIQUE | cf::NDI_RED);	2835	cf::NDI_UNIQUE | cf::NDI_RED);
1660		2836
1661	warn "ERROR in enter_exit: $@";	2837	warn "ERROR in enter_exit: $@";
1662	$self->leave_link;	2838	$self->leave_link;
1663	}	2839	}
1664	})->prio (1);	2840	})->prio (1);
…		…
1677		2853
1678	sub cf::client::send_drawinfo {	2854	sub cf::client::send_drawinfo {
1679	my ($self, $text, $flags) = @_;	2855	my ($self, $text, $flags) = @_;
1680		2856
1681	utf8::encode $text;	2857	utf8::encode $text;
1682	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2858	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1683	}	2859	}
1684		2860
		2861	=item $client->send_big_packet ($pkt)
		2862
		2863	Like C<send_packet>, but tries to compress large packets, and fragments
		2864	them as required.
		2865
		2866	=cut
		2867
		2868	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2869
		2870	sub cf::client::send_big_packet {
		2871	my ($self, $pkt) = @_;
		2872
		2873	# try lzf for large packets
		2874	$pkt = "lzf " . Compress::LZF::compress $pkt
		2875	if 1024 <= length $pkt and $self->{can_lzf};
		2876
		2877	# split very large packets
		2878	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2879	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2880	$pkt = "frag";
		2881	}
		2882
		2883	$self->send_packet ($pkt);
		2884	}
		2885
		2886	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2887
		2888	Send a drawinfo or msg packet to the client, formatting the msg for the
		2889	client if neccessary. C<$type> should be a string identifying the type of
		2890	the message, with C<log> being the default. If C<$color> is negative, suppress
		2891	the message unless the client supports the msg packet.
		2892
		2893	=cut
		2894
		2895	# non-persistent channels (usually the info channel)
		2896	our %CHANNEL = (
		2897	"c/motd" => {
		2898	id => "infobox",
		2899	title => "MOTD",
		2900	reply => undef,
		2901	tooltip => "The message of the day",
		2902	},
		2903	"c/identify" => {
		2904	id => "infobox",
		2905	title => "Identify",
		2906	reply => undef,
		2907	tooltip => "Items recently identified",
		2908	},
		2909	"c/examine" => {
		2910	id => "infobox",
		2911	title => "Examine",
		2912	reply => undef,
		2913	tooltip => "Signs and other items you examined",
		2914	},
		2915	"c/shopinfo" => {
		2916	id => "infobox",
		2917	title => "Shop Info",
		2918	reply => undef,
		2919	tooltip => "What your bargaining skill tells you about the shop",
		2920	},
		2921	"c/book" => {
		2922	id => "infobox",
		2923	title => "Book",
		2924	reply => undef,
		2925	tooltip => "The contents of a note or book",
		2926	},
		2927	"c/lookat" => {
		2928	id => "infobox",
		2929	title => "Look",
		2930	reply => undef,
		2931	tooltip => "What you saw there",
		2932	},
		2933	"c/who" => {
		2934	id => "infobox",
		2935	title => "Players",
		2936	reply => undef,
		2937	tooltip => "Shows players who are currently online",
		2938	},
		2939	"c/body" => {
		2940	id => "infobox",
		2941	title => "Body Parts",
		2942	reply => undef,
		2943	tooltip => "Shows which body parts you posess and are available",
		2944	},
		2945	"c/statistics" => {
		2946	id => "infobox",
		2947	title => "Statistics",
		2948	reply => undef,
		2949	tooltip => "Shows your primary statistics",
		2950	},
		2951	"c/skills" => {
		2952	id => "infobox",
		2953	title => "Skills",
		2954	reply => undef,
		2955	tooltip => "Shows your experience per skill and item power",
		2956	},
		2957	"c/shopitems" => {
		2958	id => "infobox",
		2959	title => "Shop Items",
		2960	reply => undef,
		2961	tooltip => "Shows the items currently for sale in this shop",
		2962	},
		2963	"c/resistances" => {
		2964	id => "infobox",
		2965	title => "Resistances",
		2966	reply => undef,
		2967	tooltip => "Shows your resistances",
		2968	},
		2969	"c/pets" => {
		2970	id => "infobox",
		2971	title => "Pets",
		2972	reply => undef,
		2973	tooltip => "Shows information abotu your pets/a specific pet",
		2974	},
		2975	"c/perceiveself" => {
		2976	id => "infobox",
		2977	title => "Perceive Self",
		2978	reply => undef,
		2979	tooltip => "You gained detailed knowledge about yourself",
		2980	},
		2981	"c/uptime" => {
		2982	id => "infobox",
		2983	title => "Uptime",
		2984	reply => undef,
		2985	tooltip => "How long the server has been running since last restart",
		2986	},
		2987	"c/mapinfo" => {
		2988	id => "infobox",
		2989	title => "Map Info",
		2990	reply => undef,
		2991	tooltip => "Information related to the maps",
		2992	},
		2993	"c/party" => {
		2994	id => "party",
		2995	title => "Party",
		2996	reply => "gsay ",
		2997	tooltip => "Messages and chat related to your party",
		2998	},
		2999	"c/death" => {
		3000	id => "death",
		3001	title => "Death",
		3002	reply => undef,
		3003	tooltip => "Reason for and more info about your most recent death",
		3004	},
		3005	"c/say" => $SAY_CHANNEL,
		3006	"c/chat" => $CHAT_CHANNEL,
		3007	);
		3008
		3009	sub cf::client::send_msg {
		3010	my ($self, $channel, $msg, $color, @extra) = @_;
		3011
		3012	$msg = $self->pl->expand_cfpod ($msg)
		3013	unless $color & cf::NDI_VERBATIM;
		3014
		3015	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3016
		3017	# check predefined channels, for the benefit of C
		3018	if ($CHANNEL{$channel}) {
		3019	$channel = $CHANNEL{$channel};
		3020
		3021	$self->ext_msg (channel_info => $channel);
		3022	$channel = $channel->{id};
		3023
		3024	} elsif (ref $channel) {
		3025	# send meta info to client, if not yet sent
		3026	unless (exists $self->{channel}{$channel->{id}}) {
		3027	$self->{channel}{$channel->{id}} = $channel;
		3028	$self->ext_msg (channel_info => $channel);
		3029	}
		3030
		3031	$channel = $channel->{id};
		3032	}
		3033
		3034	return unless @extra || length $msg;
		3035
		3036	# default colour, mask it out
		3037	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3038	if $color & cf::NDI_DEF;
		3039
		3040	my $pkt = "msg "
		3041	. $self->{json_coder}->encode (
		3042	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3043	);
		3044
		3045	$self->send_big_packet ($pkt);
		3046	}
		3047
		3048	=item $client->ext_msg ($type, @msg)
		3049
		3050	Sends an ext event to the client.
		3051
		3052	=cut
		3053
		3054	sub cf::client::ext_msg($$@) {
		3055	my ($self, $type, @msg) = @_;
		3056
		3057	if ($self->extcmd == 2) {
		3058	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3059	} elsif ($self->extcmd == 1) { # TODO: remove
		3060	push @msg, msgtype => "event_$type";
		3061	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3062	}
		3063	}
		3064
		3065	=item $client->ext_reply ($msgid, @msg)
		3066
		3067	Sends an ext reply to the client.
		3068
		3069	=cut
		3070
		3071	sub cf::client::ext_reply($$@) {
		3072	my ($self, $id, @msg) = @_;
		3073
		3074	if ($self->extcmd == 2) {
		3075	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3076	} elsif ($self->extcmd == 1) {
		3077	#TODO: version 1, remove
		3078	unshift @msg, msgtype => "reply", msgid => $id;
		3079	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3080	}
		3081	}
1685		3082
1686	=item $success = $client->query ($flags, "text", \&cb)	3083	=item $success = $client->query ($flags, "text", \&cb)
1687		3084
1688	Queues a query to the client, calling the given callback with	3085	Queues a query to the client, calling the given callback with
1689	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3086	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1690	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3087	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1691		3088
1692	Queries can fail, so check the return code. Or don't, as queries will become	3089	Queries can fail, so check the return code. Or don't, as queries will
1693	reliable at some point in the future.	3090	become reliable at some point in the future.
1694		3091
1695	=cut	3092	=cut
1696		3093
1697	sub cf::client::query {	3094	sub cf::client::query {
1698	my ($self, $flags, $text, $cb) = @_;	3095	my ($self, $flags, $text, $cb) = @_;
…		…
1706	utf8::encode $text;	3103	utf8::encode $text;
1707	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3104	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1708		3105
1709	$self->send_packet ($self->{query_queue}[0][0])	3106	$self->send_packet ($self->{query_queue}[0][0])
1710	if @{ $self->{query_queue} } == 1;	3107	if @{ $self->{query_queue} } == 1;
		3108
		3109	1
1711	}	3110	}
1712		3111
1713	cf::client->attach (	3112	cf::client->attach (
		3113	on_connect => sub {
		3114	my ($ns) = @_;
		3115
		3116	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3117	},
1714	on_reply => sub {	3118	on_reply => sub {
1715	my ($ns, $msg) = @_;	3119	my ($ns, $msg) = @_;
1716		3120
1717	# this weird shuffling is so that direct followup queries	3121	# this weird shuffling is so that direct followup queries
1718	# get handled first	3122	# get handled first
1719	my $queue = delete $ns->{query_queue}	3123	my $queue = delete $ns->{query_queue}
1720	or return; # be conservative, not sure how that can happen, but we saw a crash here	3124	or return; # be conservative, not sure how that can happen, but we saw a crash here
1721		3125
1722	(shift @$queue)->[1]->($msg);	3126	(shift @$queue)->[1]->($msg);
		3127	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1723		3128
1724	push @{ $ns->{query_queue} }, @$queue;	3129	push @{ $ns->{query_queue} }, @$queue;
1725		3130
1726	if (@{ $ns->{query_queue} } == @$queue) {	3131	if (@{ $ns->{query_queue} } == @$queue) {
1727	if (@$queue) {	3132	if (@$queue) {
…		…
1729	} else {	3134	} else {
1730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3135	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1731	}	3136	}
1732	}	3137	}
1733	},	3138	},
		3139	on_exticmd => sub {
		3140	my ($ns, $buf) = @_;
		3141
		3142	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3143
		3144	if (ref $msg) {
		3145	my ($type, $reply, @payload) =
		3146	"ARRAY" eq ref $msg
		3147	? @$msg
		3148	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3149
		3150	my @reply;
		3151
		3152	if (my $cb = $EXTICMD{$type}) {
		3153	@reply = $cb->($ns, @payload);
		3154	}
		3155
		3156	$ns->ext_reply ($reply, @reply)
		3157	if $reply;
		3158
		3159	} else {
		3160	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3161	}
		3162
		3163	cf::override;
		3164	},
1734	);	3165	);
1735		3166
1736	=item $client->coro (\&cb)	3167	=item $client->async (\&cb)
1737		3168
1738	Create a new coroutine, running the specified callback. The coroutine will	3169	Create a new coroutine, running the specified callback. The coroutine will
1739	be automatically cancelled when the client gets destroyed (e.g. on logout,	3170	be automatically cancelled when the client gets destroyed (e.g. on logout,
1740	or loss of connection).	3171	or loss of connection).
1741		3172
1742	=cut	3173	=cut
1743		3174
1744	sub cf::client::coro {	3175	sub cf::client::async {
1745	my ($self, $cb) = @_;	3176	my ($self, $cb) = @_;
1746		3177
1747	my $coro = &cf::async ($cb);	3178	my $coro = &Coro::async ($cb);
1748		3179
1749	$coro->on_destroy (sub {	3180	$coro->on_destroy (sub {
1750	delete $self->{_coro}{$coro+0};	3181	delete $self->{_coro}{$coro+0};
1751	});	3182	});
1752		3183
…		…
1754		3185
1755	$coro	3186	$coro
1756	}	3187	}
1757		3188
1758	cf::client->attach (	3189	cf::client->attach (
1759	on_destroy => sub {	3190	on_client_destroy => sub {
1760	my ($ns) = @_;	3191	my ($ns) = @_;
1761		3192
1762	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3193	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1763	},	3194	},
1764	);	3195	);
…		…
1779	our $safe = new Safe "safe";	3210	our $safe = new Safe "safe";
1780	our $safe_hole = new Safe::Hole;	3211	our $safe_hole = new Safe::Hole;
1781		3212
1782	$SIG{FPE} = 'IGNORE';	3213	$SIG{FPE} = 'IGNORE';
1783		3214
1784	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3215	$safe->permit_only (Opcode::opset qw(
		3216	:base_core :base_mem :base_orig :base_math :base_loop
		3217	grepstart grepwhile mapstart mapwhile
		3218	sort time
		3219	));
1785		3220
1786	# here we export the classes and methods available to script code	3221	# here we export the classes and methods available to script code
1787		3222
1788	=pod	3223	=pod
1789		3224
1790	The following fucntions and emthods are available within a safe environment:	3225	The following functions and methods are available within a safe environment:
1791		3226
1792	cf::object contr pay_amount pay_player map	3227	cf::object
		3228	contr pay_amount pay_player map x y force_find force_add destroy
		3229	insert remove name archname title slaying race decrease split
		3230	value
		3231
1793	cf::object::player player	3232	cf::object::player
1794	cf::player peaceful	3233	player
1795	cf::map trigger	3234
		3235	cf::player
		3236	peaceful
		3237
		3238	cf::map
		3239	trigger
1796		3240
1797	=cut	3241	=cut
1798		3242
1799	for (	3243	for (
1800	["cf::object" => qw(contr pay_amount pay_player map)],	3244	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3245	insert remove inv nrof name archname title slaying race
		3246	decrease split destroy change_exp value msg lore send_msg)],
1801	["cf::object::player" => qw(player)],	3247	["cf::object::player" => qw(player)],
1802	["cf::player" => qw(peaceful)],	3248	["cf::player" => qw(peaceful send_msg)],
1803	["cf::map" => qw(trigger)],	3249	["cf::map" => qw(trigger)],
1804	) {	3250	) {
1805	no strict 'refs';	3251	no strict 'refs';
1806	my ($pkg, @funs) = @$_;	3252	my ($pkg, @funs) = @$_;
1807	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3253	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
1825		3271
1826	my $qcode = $code;	3272	my $qcode = $code;
1827	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3273	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1828	$qcode =~ s/\n/\\n/g;	3274	$qcode =~ s/\n/\\n/g;
1829		3275
		3276	%vars = (_dummy => 0) unless %vars;
		3277
		3278	my @res;
1830	local $_;	3279	local $_;
1831	local @safe::cf::_safe_eval_args = values %vars;
1832		3280
1833	my $eval =	3281	my $eval =
1834	"do {\n"	3282	"do {\n"
1835	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3283	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1836	. "#line 0 \"{$qcode}\"\n"	3284	. "#line 0 \"{$qcode}\"\n"
1837	. $code	3285	. $code
1838	. "\n}"	3286	. "\n}"
1839	;	3287	;
1840		3288
		3289	if ($CFG{safe_eval}) {
1841	sub_generation_inc;	3290	sub_generation_inc;
		3291	local @safe::cf::_safe_eval_args = values %vars;
1842	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3292	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1843	sub_generation_inc;	3293	sub_generation_inc;
		3294	} else {
		3295	local @cf::_safe_eval_args = values %vars;
		3296	@res = wantarray ? eval eval : scalar eval $eval;
		3297	}
1844		3298
1845	if ($@) {	3299	if ($@) {
1846	warn "$@";	3300	warn "$@";
1847	warn "while executing safe code '$code'\n";	3301	warn "while executing safe code '$code'\n";
1848	warn "with arguments " . (join " ", %vars) . "\n";	3302	warn "with arguments " . (join " ", %vars) . "\n";
…		…
1867	=cut	3321	=cut
1868		3322
1869	sub register_script_function {	3323	sub register_script_function {
1870	my ($fun, $cb) = @_;	3324	my ($fun, $cb) = @_;
1871		3325
1872	no strict 'refs';	3326	$fun = "safe::$fun" if $CFG{safe_eval};
1873	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3327	*$fun = $safe_hole->wrap ($cb);
1874	}	3328	}
1875		3329
1876	=back	3330	=back
1877		3331
1878	=cut	3332	=cut
1879		3333
1880	#############################################################################	3334	#############################################################################
		3335	# the server's init and main functions
1881		3336
1882	=head2 EXTENSION DATABASE SUPPORT	3337	sub load_facedata($) {
		3338	my ($path) = @_;
1883		3339
1884	Crossfire maintains a very simple database for extension use. It can	3340	# HACK to clear player env face cache, we need some signal framework
1885	currently store anything that can be serialised using Storable, which	3341	# for this (global event?)
1886	excludes objects.	3342	%ext::player_env::MUSIC_FACE_CACHE = ();
1887		3343
1888	The parameter C<$family> should best start with the name of the extension	3344	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1889	using it, it should be unique.
1890		3345
1891	=over 4	3346	warn "loading facedata from $path\n";
1892		3347
1893	=item $hashref = cf::db_get $family	3348	my $facedata;
		3349	0 < aio_load $path, $facedata
		3350	or die "$path: $!";
1894		3351
1895	Return a hashref for use by the extension C<$family>, which can be	3352	$facedata = Coro::Storable::thaw $facedata;
1896	modified. After modifications, you have to call C<cf::db_dirty> or
1897	C<cf::db_sync>.
1898		3353
1899	=item $value = cf::db_get $family => $key	3354	$facedata->{version} == 2
		3355	or cf::cleanup "$path: version mismatch, cannot proceed.";
1900		3356
1901	Returns a single value from the database	3357	# patch in the exptable
1902		3358	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
1903	=item cf::db_put $family => $hashref	3359	$facedata->{resource}{"res/exp_table"} = {
1904		3360	type => FT_RSRC,
1905	Stores the given family hashref into the database. Updates are delayed, if	3361	data => $exp_table,
1906	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3362	hash => (Digest::MD5::md5 $exp_table),
1907
1908	=item cf::db_put $family => $key => $value
1909
1910	Stores the given C<$value> in the family hash. Updates are delayed, if you
1911	want the data to be synced to disk immediately, use C<cf::db_sync>.
1912
1913	=item cf::db_dirty
1914
1915	Marks the database as dirty, to be updated at a later time.
1916
1917	=item cf::db_sync
1918
1919	Immediately write the database to disk I<if it is dirty>.
1920
1921	=cut
1922
1923	our $DB;
1924
1925	{
1926	my $path = cf::localdir . "/database.pst";
1927
1928	sub db_load() {
1929	$DB = stat $path ? Storable::retrieve $path : { };
1930	}
1931
1932	my $pid;
1933
1934	sub db_save() {
1935	waitpid $pid, 0 if $pid;
1936	if (0 == ($pid = fork)) {
1937	$DB->{_meta}{version} = 1;
1938	Storable::nstore $DB, "$path~";
1939	rename "$path~", $path;
1940	cf::_exit 0 if defined $pid;
1941	}
1942	}
1943
1944	my $dirty;
1945
1946	sub db_sync() {
1947	db_save if $dirty;
1948	undef $dirty;
1949	}
1950
1951	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1952	db_sync;
1953	});	3363	};
		3364	cf::cede_to_tick;
1954		3365
1955	sub db_dirty() {
1956	$dirty = 1;
1957	$idle->start;
1958	}	3366	{
		3367	my $faces = $facedata->{faceinfo};
1959		3368
1960	sub db_get($;$) {	3369	while (my ($face, $info) = each %$faces) {
1961	@_ >= 2	3370	my $idx = (cf::face::find $face) || cf::face::alloc $face;
1962	? $DB->{$_[0]}{$_[1]}
1963	: ($DB->{$_[0]} ||= { })
1964	}
1965		3371
1966	sub db_put($$;$) {	3372	cf::face::set_visibility $idx, $info->{visibility};
1967	if (@_ >= 3) {	3373	cf::face::set_magicmap $idx, $info->{magicmap};
1968	$DB->{$_[0]}{$_[1]} = $_[2];	3374	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
1969	} else {	3375	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
1970	$DB->{$_[0]} = $_[1];
1971	}
1972	db_dirty;
1973	}
1974		3376
1975	cf::global->attach (	3377	cf::cede_to_tick;
1976	prio => 10000,
1977	on_cleanup => sub {
1978	db_sync;
1979	},	3378	}
1980	);
1981	}
1982		3379
1983	#############################################################################	3380	while (my ($face, $info) = each %$faces) {
1984	# the server's main()	3381	next unless $info->{smooth};
1985		3382
1986	sub cfg_load {	3383	my $idx = cf::face::find $face
		3384	or next;
		3385
		3386	if (my $smooth = cf::face::find $info->{smooth}) {
		3387	cf::face::set_smooth $idx, $smooth;
		3388	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3389	} else {
		3390	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3391	}
		3392
		3393	cf::cede_to_tick;
		3394	}
		3395	}
		3396
		3397	{
		3398	my $anims = $facedata->{animinfo};
		3399
		3400	while (my ($anim, $info) = each %$anims) {
		3401	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3402	cf::cede_to_tick;
		3403	}
		3404
		3405	cf::anim::invalidate_all; # d'oh
		3406	}
		3407
		3408	{
		3409	my $res = $facedata->{resource};
		3410
		3411	while (my ($name, $info) = each %$res) {
		3412	if (defined $info->{type}) {
		3413	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3414
		3415	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3416	cf::face::set_type $idx, $info->{type};
		3417	} else {
		3418	$RESOURCE{$name} = $info;
		3419	}
		3420
		3421	cf::cede_to_tick;
		3422	}
		3423	}
		3424
		3425	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3426
		3427	1
		3428	}
		3429
		3430	cf::global->attach (on_resource_update => sub {
		3431	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3432	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3433
		3434	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3435	my $sound = $soundconf->{compat}[$_]
		3436	or next;
		3437
		3438	my $face = cf::face::find "sound/$sound->[1]";
		3439	cf::sound::set $sound->[0] => $face;
		3440	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3441	}
		3442
		3443	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3444	my $face = cf::face::find "sound/$v";
		3445	cf::sound::set $k => $face;
		3446	}
		3447	}
		3448	});
		3449
		3450	register_exticmd fx_want => sub {
		3451	my ($ns, $want) = @_;
		3452
		3453	while (my ($k, $v) = each %$want) {
		3454	$ns->fx_want ($k, $v);
		3455	}
		3456	};
		3457
		3458	sub load_resource_file($) {
		3459	my $guard = lock_acquire "load_resource_file";
		3460
		3461	my $status = load_resource_file_ $_[0];
		3462	get_slot 0.1, 100;
		3463	cf::arch::commit_load;
		3464
		3465	$status
		3466	}
		3467
		3468	sub reload_regions {
		3469	# HACK to clear player env face cache, we need some signal framework
		3470	# for this (global event?)
		3471	%ext::player_env::MUSIC_FACE_CACHE = ();
		3472
		3473	load_resource_file "$MAPDIR/regions"
		3474	or die "unable to load regions file\n";
		3475
		3476	for (cf::region::list) {
		3477	$_->{match} = qr/$_->{match}/
		3478	if exists $_->{match};
		3479	}
		3480	}
		3481
		3482	sub reload_facedata {
		3483	load_facedata "$DATADIR/facedata"
		3484	or die "unable to load facedata\n";
		3485	}
		3486
		3487	sub reload_archetypes {
		3488	load_resource_file "$DATADIR/archetypes"
		3489	or die "unable to load archetypes\n";
		3490	}
		3491
		3492	sub reload_treasures {
		3493	load_resource_file "$DATADIR/treasures"
		3494	or die "unable to load treasurelists\n";
		3495	}
		3496
		3497	sub reload_resources {
		3498	warn "reloading resource files...\n";
		3499
		3500	reload_facedata;
		3501	reload_archetypes;
		3502	reload_regions;
		3503	reload_treasures;
		3504
		3505	warn "finished reloading resource files\n";
		3506	}
		3507
		3508	sub reload_config {
		3509	warn "reloading config file...\n";
		3510
1987	open my $fh, "<:utf8", cf::confdir . "/config"	3511	open my $fh, "<:utf8", "$CONFDIR/config"
1988	or return;	3512	or return;
1989		3513
1990	local $/;	3514	local $/;
1991	*CFG = YAML::Syck::Load <$fh>;	3515	*CFG = YAML::XS::Load scalar <$fh>;
1992		3516
1993	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3517	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		3518
		3519	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		3520	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1994		3521
1995	if (exists $CFG{mlockall}) {	3522	if (exists $CFG{mlockall}) {
1996	eval {	3523	eval {
1997	$CFG{mlockall} ? &mlockall : &munlockall	3524	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998	and die "WARNING: m(un)lockall failed: $!\n";	3525	and die "WARNING: m(un)lockall failed: $!\n";
1999	};	3526	};
2000	warn $@ if $@;	3527	warn $@ if $@;
2001	}	3528	}
		3529
		3530	warn "finished reloading resource files\n";
		3531	}
		3532
		3533	sub pidfile() {
		3534	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3535	or die "$PIDFILE: $!";
		3536	flock $fh, &Fcntl::LOCK_EX
		3537	or die "$PIDFILE: flock: $!";
		3538	$fh
		3539	}
		3540
		3541	# make sure only one server instance is running at any one time
		3542	sub atomic {
		3543	my $fh = pidfile;
		3544
		3545	my $pid = <$fh>;
		3546	kill 9, $pid if $pid > 0;
		3547
		3548	seek $fh, 0, 0;
		3549	print $fh $$;
		3550	}
		3551
		3552	sub main_loop {
		3553	warn "EV::loop starting\n";
		3554	if (1) {
		3555	EV::loop;
		3556	}
		3557	warn "EV::loop returned\n";
		3558	goto &main_loop unless $REALLY_UNLOOP;
2002	}	3559	}
2003		3560
2004	sub main {	3561	sub main {
		3562	cf::init_globals; # initialise logging
		3563
		3564	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3565	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3566	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3567	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3568
		3569	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3570
2005	# we must not ever block the main coroutine	3571	# we must not ever block the main coroutine
2006	local $Coro::idle = sub {	3572	local $Coro::idle = sub {
2007	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3573	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008	(Coro::unblock_sub {	3574	(async {
2009	Event::one_event;	3575	$Coro::current->{desc} = "IDLE BUG HANDLER";
2010	})->();	3576	EV::loop EV::LOOP_ONESHOT;
		3577	})->prio (Coro::PRIO_MAX);
2011	};	3578	};
2012		3579
2013	cfg_load;	3580	evthread_start IO::AIO::poll_fileno;
2014	db_load;	3581
		3582	cf::sync_job {
		3583	cf::init_experience;
		3584	cf::init_anim;
		3585	cf::init_attackmess;
		3586	cf::init_dynamic;
		3587
		3588	cf::load_settings;
		3589	cf::load_materials;
		3590
		3591	reload_resources;
		3592	reload_config;
		3593	db_init;
		3594
		3595	cf::init_uuid;
		3596	cf::init_signals;
		3597	cf::init_skills;
		3598
		3599	cf::init_beforeplay;
		3600
		3601	atomic;
		3602
2015	load_extensions;	3603	load_extensions;
2016	Event::loop;	3604
		3605	utime time, time, $RUNTIMEFILE;
		3606
		3607	# no (long-running) fork's whatsoever before this point(!)
		3608	use POSIX ();
		3609	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3610
		3611	(pop @POST_INIT)->(0) while @POST_INIT;
		3612	};
		3613
		3614	cf::object::thawer::errors_are_fatal 0;
		3615	warn "parse errors in files are no longer fatal from this point on.\n";
		3616
		3617	main_loop;
2017	}	3618	}
2018		3619
2019	#############################################################################	3620	#############################################################################
2020	# initialisation	3621	# initialisation and cleanup
2021		3622
		3623	# install some emergency cleanup handlers
		3624	BEGIN {
		3625	our %SIGWATCHER = ();
		3626	for my $signal (qw(INT HUP TERM)) {
		3627	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3628	cf::cleanup "SIG$signal";
		3629	};
		3630	}
		3631	}
		3632
		3633	sub write_runtime_sync {
		3634	my $t0 = AE::time;
		3635
		3636	# first touch the runtime file to show we are still running:
		3637	# the fsync below can take a very very long time.
		3638
		3639	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3640
		3641	my $guard = cf::lock_acquire "write_runtime";
		3642
		3643	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3644	or return;
		3645
		3646	my $value = $cf::RUNTIME + 90 + 10;
		3647	# 10 is the runtime save interval, for a monotonic clock
		3648	# 60 allows for the watchdog to kill the server.
		3649
		3650	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3651	and return;
		3652
		3653	# always fsync - this file is important
		3654	aio_fsync $fh
		3655	and return;
		3656
		3657	# touch it again to show we are up-to-date
		3658	aio_utime $fh, undef, undef;
		3659
		3660	close $fh
		3661	or return;
		3662
		3663	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3664	and return;
		3665
		3666	warn sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3667
		3668	1
		3669	}
		3670
		3671	our $uuid_lock;
		3672	our $uuid_skip;
		3673
		3674	sub write_uuid_sync($) {
		3675	$uuid_skip ||= $_[0];
		3676
		3677	return if $uuid_lock;
		3678	local $uuid_lock = 1;
		3679
		3680	my $uuid = "$LOCALDIR/uuid";
		3681
		3682	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3683	or return;
		3684
		3685	my $value = uuid_seq uuid_cur;
		3686
		3687	unless ($value) {
		3688	warn "cowardly refusing to write zero uuid value!\n";
		3689	return;
		3690	}
		3691
		3692	my $value = uuid_str $value + $uuid_skip;
		3693	$uuid_skip = 0;
		3694
		3695	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3696	and return;
		3697
		3698	# always fsync - this file is important
		3699	aio_fsync $fh
		3700	and return;
		3701
		3702	close $fh
		3703	or return;
		3704
		3705	aio_rename "$uuid~", $uuid
		3706	and return;
		3707
		3708	warn "uuid file written ($value).\n";
		3709
		3710	1
		3711
		3712	}
		3713
		3714	sub write_uuid($$) {
		3715	my ($skip, $sync) = @_;
		3716
		3717	$sync ? write_uuid_sync $skip
		3718	: async { write_uuid_sync $skip };
		3719	}
		3720
		3721	sub emergency_save() {
		3722	my $freeze_guard = cf::freeze_mainloop;
		3723
		3724	warn "emergency_perl_save: enter\n";
		3725
		3726	cf::sync_job {
		3727	# this is a trade-off: we want to be very quick here, so
		3728	# save all maps without fsync, and later call a global sync
		3729	# (which in turn might be very very slow)
		3730	local $USE_FSYNC = 0;
		3731
		3732	# use a peculiar iteration method to avoid tripping on perl
		3733	# refcount bugs in for. also avoids problems with players
		3734	# and maps saved/destroyed asynchronously.
		3735	warn "emergency_perl_save: begin player save\n";
		3736	for my $login (keys %cf::PLAYER) {
		3737	my $pl = $cf::PLAYER{$login} or next;
		3738	$pl->valid or next;
		3739	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3740	$pl->save;
		3741	}
		3742	warn "emergency_perl_save: end player save\n";
		3743
		3744	warn "emergency_perl_save: begin map save\n";
		3745	for my $path (keys %cf::MAP) {
		3746	my $map = $cf::MAP{$path} or next;
		3747	$map->valid or next;
		3748	$map->save;
		3749	}
		3750	warn "emergency_perl_save: end map save\n";
		3751
		3752	warn "emergency_perl_save: begin database checkpoint\n";
		3753	BDB::db_env_txn_checkpoint $DB_ENV;
		3754	warn "emergency_perl_save: end database checkpoint\n";
		3755
		3756	warn "emergency_perl_save: begin write uuid\n";
		3757	write_uuid_sync 1;
		3758	warn "emergency_perl_save: end write uuid\n";
		3759	};
		3760
		3761	warn "emergency_perl_save: starting sync()\n";
		3762	IO::AIO::aio_sync sub {
		3763	warn "emergency_perl_save: finished sync()\n";
		3764	};
		3765
		3766	warn "emergency_perl_save: leave\n";
		3767	}
		3768
		3769	sub post_cleanup {
		3770	my ($make_core) = @_;
		3771
		3772	warn Carp::longmess "post_cleanup backtrace"
		3773	if $make_core;
		3774
		3775	my $fh = pidfile;
		3776	unlink $PIDFILE if <$fh> == $$;
		3777	}
		3778
		3779	# a safer delete_package, copied from Symbol
		3780	sub clear_package($) {
		3781	my $pkg = shift;
		3782
		3783	# expand to full symbol table name if needed
		3784	unless ($pkg =~ /^main::.*::$/) {
		3785	$pkg = "main$pkg" if $pkg =~ /^::/;
		3786	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3787	$pkg .= '::' unless $pkg =~ /::$/;
		3788	}
		3789
		3790	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3791	my $stem_symtab = *{$stem}{HASH};
		3792
		3793	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3794	or return;
		3795
		3796	# clear all symbols
		3797	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3798	for my $name (keys %$leaf_symtab) {
		3799	_gv_clear *{"$pkg$name"};
		3800	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3801	}
		3802	}
		3803
2022	sub reload() {	3804	sub do_reload_perl() {
2023	# can/must only be called in main	3805	# can/must only be called in main
2024	if ($Coro::current != $Coro::main) {	3806	if (in_main) {
2025	warn "can only reload from main coroutine\n";	3807	warn "can only reload from main coroutine";
2026	return;	3808	return;
2027	}	3809	}
2028		3810
		3811	return if $RELOAD++;
		3812
		3813	my $t1 = AE::time;
		3814
		3815	while ($RELOAD) {
2029	warn "reloading...";	3816	warn "reloading...";
2030		3817
2031	my $guard = freeze_mainloop;	3818	warn "entering sync_job";
		3819
		3820	cf::sync_job {
		3821	cf::write_runtime_sync; # external watchdog should not bark
2032	cf::emergency_save;	3822	cf::emergency_save;
		3823	cf::write_runtime_sync; # external watchdog should not bark
2033		3824
2034	eval {	3825	warn "syncing database to disk";
		3826	BDB::db_env_txn_checkpoint $DB_ENV;
		3827
2035	# if anything goes wrong in here, we should simply crash as we already saved	3828	# if anything goes wrong in here, we should simply crash as we already saved
2036		3829
2037	# cancel all watchers	3830	warn "flushing outstanding aio requests";
2038	for (Event::all_watchers) {	3831	while (IO::AIO::nreqs || BDB::nreqs) {
2039	$_->cancel if $_->data & WF_AUTOCANCEL;	3832	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2040	}
2041
2042	# cancel all extension coros
2043	$_->cancel for values %EXT_CORO;
2044	%EXT_CORO = ();
2045
2046	# unload all extensions
2047	for (@exts) {
2048	warn "unloading <$_>";
2049	unload_extension $_;
2050	}
2051
2052	# unload all modules loaded from $LIBDIR
2053	while (my ($k, $v) = each %INC) {
2054	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055
2056	warn "removing <$k>";
2057	delete $INC{$k};
2058
2059	$k =~ s/\.pm$//;
2060	$k =~ s/\//::/g;
2061
2062	if (my $cb = $k->can ("unload_module")) {
2063	$cb->();
2064	}	3833	}
2065		3834
2066	Symbol::delete_package $k;	3835	warn "cancelling all extension coros";
		3836	$_->cancel for values %EXT_CORO;
		3837	%EXT_CORO = ();
		3838
		3839	warn "removing commands";
		3840	%COMMAND = ();
		3841
		3842	warn "removing ext/exti commands";
		3843	%EXTCMD = ();
		3844	%EXTICMD = ();
		3845
		3846	warn "unloading/nuking all extensions";
		3847	for my $pkg (@EXTS) {
		3848	warn "... unloading $pkg";
		3849
		3850	if (my $cb = $pkg->can ("unload")) {
		3851	eval {
		3852	$cb->($pkg);
		3853	1
		3854	} or warn "$pkg unloaded, but with errors: $@";
		3855	}
		3856
		3857	warn "... clearing $pkg";
		3858	clear_package $pkg;
2067	}	3859	}
2068		3860
2069	# sync database to disk	3861	warn "unloading all perl modules loaded from $LIBDIR";
2070	cf::db_sync;	3862	while (my ($k, $v) = each %INC) {
2071	IO::AIO::flush;	3863	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2072		3864
		3865	warn "... unloading $k";
		3866	delete $INC{$k};
		3867
		3868	$k =~ s/\.pm$//;
		3869	$k =~ s/\//::/g;
		3870
		3871	if (my $cb = $k->can ("unload_module")) {
		3872	$cb->();
		3873	}
		3874
		3875	clear_package $k;
		3876	}
		3877
2073	# get rid of safe::, as good as possible	3878	warn "getting rid of safe::, as good as possible";
2074	Symbol::delete_package "safe::$_"	3879	clear_package "safe::$_"
2075	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3880	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076		3881
2077	# remove register_script_function callbacks	3882	warn "unloading cf.pm \"a bit\"";
2078	# TODO
2079
2080	# unload cf.pm "a bit"
2081	delete $INC{"cf.pm"};	3883	delete $INC{"cf.pm"};
		3884	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2082		3885
2083	# don't, removes xs symbols, too,	3886	# don't, removes xs symbols, too,
2084	# and global variables created in xs	3887	# and global variables created in xs
2085	#Symbol::delete_package __PACKAGE__;	3888	#clear_package __PACKAGE__;
2086		3889
2087	# reload cf.pm	3890	warn "unload completed, starting to reload now";
		3891
2088	warn "reloading cf.pm";	3892	warn "reloading cf.pm";
2089	require cf;	3893	require cf;
2090	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3894	cf::_connect_to_perl_1;
2091		3895
2092	# load config and database again	3896	warn "loading config and database again";
2093	cf::cfg_load;	3897	cf::reload_config;
2094	cf::db_load;
2095		3898
2096	# load extensions
2097	warn "load extensions";	3899	warn "loading extensions";
2098	cf::load_extensions;	3900	cf::load_extensions;
2099		3901
2100	# reattach attachments to objects	3902	if ($REATTACH_ON_RELOAD) {
		3903	warn "reattaching attachments to objects/players";
		3904	_global_reattach; # objects, sockets
		3905	warn "reattaching attachments to maps";
		3906	reattach $_ for values %MAP;
		3907	warn "reattaching attachments to players";
		3908	reattach $_ for values %PLAYER;
		3909	}
		3910
		3911	warn "running post_init jobs";
		3912	(pop @POST_INIT)->(1) while @POST_INIT;
		3913
		3914	warn "leaving sync_job";
		3915
		3916	1
		3917	} or do {
		3918	warn $@;
		3919	cf::cleanup "error while reloading, exiting.";
		3920	};
		3921
2101	warn "reattach";	3922	warn "reloaded";
2102	_global_reattach;	3923	--$RELOAD;
		3924	}
		3925
		3926	$t1 = AE::time - $t1;
		3927	warn "reload completed in ${t1}s\n";
		3928	};
		3929
		3930	our $RELOAD_WATCHER; # used only during reload
		3931
		3932	sub reload_perl() {
		3933	# doing reload synchronously and two reloads happen back-to-back,
		3934	# coro crashes during coro_state_free->destroy here.
		3935
		3936	$RELOAD_WATCHER ||= cf::async {
		3937	Coro::AIO::aio_wait cache_extensions;
		3938
		3939	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3940	do_reload_perl;
		3941	undef $RELOAD_WATCHER;
		3942	};
2103	};	3943	};
2104
2105	if ($@) {
2106	warn $@;
2107	warn "error while reloading, exiting.";
2108	exit 1;
2109	}
2110
2111	warn "reloaded successfully";
2112	};
2113
2114	#############################################################################
2115
2116	unless ($LINK_MAP) {
2117	$LINK_MAP = cf::map::new;
2118
2119	$LINK_MAP->width (41);
2120	$LINK_MAP->height (41);
2121	$LINK_MAP->alloc;
2122	$LINK_MAP->path ("{link}");
2123	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126	# dirty hack because... archetypes are not yet loaded
2127	Event->timer (
2128	after => 2,
2129	cb => sub {
2130	$_[0]->w->cancel;
2131
2132	# provide some exits "home"
2133	my $exit = cf::object::new "exit";
2134
2135	$exit->slaying ($EMERGENCY_POSITION->[0]);
2136	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139	$LINK_MAP->insert ($exit->clone, 19, 19);
2140	$LINK_MAP->insert ($exit->clone, 19, 20);
2141	$LINK_MAP->insert ($exit->clone, 19, 21);
2142	$LINK_MAP->insert ($exit->clone, 20, 19);
2143	$LINK_MAP->insert ($exit->clone, 20, 21);
2144	$LINK_MAP->insert ($exit->clone, 21, 19);
2145	$LINK_MAP->insert ($exit->clone, 21, 20);
2146	$LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148	$exit->destroy;
2149	});
2150
2151	$LINK_MAP->{deny_save} = 1;
2152	$LINK_MAP->{deny_reset} = 1;
2153
2154	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155	}	3944	}
2156
2157	register "<global>", __PACKAGE__;
2158		3945
2159	register_command "reload" => sub {	3946	register_command "reload" => sub {
2160	my ($who, $arg) = @_;	3947	my ($who, $arg) = @_;
2161		3948
2162	if ($who->flag (FLAG_WIZ)) {	3949	if ($who->flag (FLAG_WIZ)) {
2163	$who->message ("start of reload.");
2164	reload;
2165	$who->message ("end of reload.");	3950	$who->message ("reloading server.");
		3951	async {
		3952	$Coro::current->{desc} = "perl_reload";
		3953	reload_perl;
		3954	};
2166	}	3955	}
2167	};	3956	};
2168		3957
2169	unshift @INC, $LIBDIR;	3958	unshift @INC, $LIBDIR;
2170		3959
2171	$TICK_WATCHER = Event->timer (	3960	my $bug_warning = 0;
2172	reentrant => 0,	3961
2173	prio => 0,	3962	our @WAIT_FOR_TICK;
2174	at => $NEXT_TICK || $TICK,	3963	our @WAIT_FOR_TICK_BEGIN;
2175	data => WF_AUTOCANCEL,	3964
2176	cb => sub {	3965	sub wait_for_tick {
		3966	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3967
		3968	my $signal = new Coro::Signal;
		3969	push @WAIT_FOR_TICK, $signal;
		3970	$signal->wait;
		3971	}
		3972
		3973	sub wait_for_tick_begin {
		3974	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		3975
		3976	my $signal = new Coro::Signal;
		3977	push @WAIT_FOR_TICK_BEGIN, $signal;
		3978	$signal->wait;
		3979	}
		3980
		3981	sub tick {
		3982	if ($Coro::current != $Coro::main) {
		3983	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3984	unless ++$bug_warning > 10;
		3985	return;
		3986	}
		3987
2177	cf::server_tick; # one server iteration	3988	cf::server_tick; # one server iteration
2178	$RUNTIME += $TICK;
2179	$NEXT_TICK += $TICK;
2180		3989
2181	# if we are delayed by four ticks or more, skip them all	3990	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2182	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183		3991
2184	$TICK_WATCHER->at ($NEXT_TICK);	3992	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2185	$TICK_WATCHER->start;	3993	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2186	},	3994	Coro::async_pool {
2187	);	3995	$Coro::current->{desc} = "runtime saver";
2188
2189	IO::AIO::max_poll_time $TICK * 0.2;
2190
2191	Event->io (
2192	fd => IO::AIO::poll_fileno,
2193	poll => 'r',
2194	prio => 5,
2195	data => WF_AUTOCANCEL,
2196	cb => \&IO::AIO::poll_cb,
2197	);
2198
2199	Event->timer (
2200	data => WF_AUTOCANCEL,
2201	after => 0,
2202	interval => 10,
2203	cb => sub {
2204	(Coro::unblock_sub {
2205	write_runtime	3996	write_runtime_sync
2206	or warn "ERROR: unable to write runtime file: $!";	3997	or warn "ERROR: unable to write runtime file: $!";
2207	})->();	3998	};
2208	},	3999	}
2209	);	4000
		4001	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4002	$sig->send;
		4003	}
		4004	while (my $sig = shift @WAIT_FOR_TICK) {
		4005	$sig->send;
		4006	}
		4007
		4008	$LOAD = ($NOW - $TICK_START) / $TICK;
		4009	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4010
		4011	if (0) {
		4012	if ($NEXT_TICK) {
		4013	my $jitter = $TICK_START - $NEXT_TICK;
		4014	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4015	warn "jitter $JITTER\n";#d#
		4016	}
		4017	}
		4018	}
		4019
		4020	{
		4021	# configure BDB
		4022
		4023	BDB::min_parallel 16;
		4024	BDB::max_poll_reqs $TICK * 0.1;
		4025	$AnyEvent::BDB::WATCHER->priority (1);
		4026
		4027	unless ($DB_ENV) {
		4028	$DB_ENV = BDB::db_env_create;
		4029	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4030	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4031	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4032	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4033	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4034
		4035	cf::sync_job {
		4036	eval {
		4037	BDB::db_env_open
		4038	$DB_ENV,
		4039	$BDBDIR,
		4040	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4041	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4042	0666;
		4043
		4044	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4045	};
		4046
		4047	cf::cleanup "db_env_open(db): $@" if $@;
		4048	};
		4049	}
		4050
		4051	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4052	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4053	};
		4054	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4055	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4056	};
		4057	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4058	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4059	};
		4060	}
		4061
		4062	{
		4063	# configure IO::AIO
		4064
		4065	IO::AIO::min_parallel 8;
		4066	IO::AIO::max_poll_time $TICK * 0.1;
		4067	undef $AnyEvent::AIO::WATCHER;
		4068	}
		4069
		4070	my $_log_backtrace;
		4071
		4072	sub _log_backtrace {
		4073	my ($msg, @addr) = @_;
		4074
		4075	$msg =~ s/\n//;
		4076
		4077	# limit the # of concurrent backtraces
		4078	if ($_log_backtrace < 2) {
		4079	++$_log_backtrace;
		4080	my $perl_bt = Carp::longmess $msg;
		4081	async {
		4082	$Coro::current->{desc} = "abt $msg";
		4083
		4084	my @bt = fork_call {
		4085	@addr = map { sprintf "%x", $_ } @addr;
		4086	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4087	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4088	or die "addr2line: $!";
		4089
		4090	my @funcs;
		4091	my @res = <$fh>;
		4092	chomp for @res;
		4093	while (@res) {
		4094	my ($func, $line) = splice @res, 0, 2, ();
		4095	push @funcs, "[$func] $line";
		4096	}
		4097
		4098	@funcs
		4099	};
		4100
		4101	LOG llevInfo, "[ABT] $perl_bt\n";
		4102	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4103	LOG llevInfo, "[ABT] $_\n" for @bt;
		4104	--$_log_backtrace;
		4105	};
		4106	} else {
		4107	LOG llevInfo, "[ABT] $msg\n";
		4108	LOG llevInfo, "[ABT] [suppressed]\n";
		4109	}
		4110	}
		4111
		4112	# load additional modules
		4113	require "cf/$_.pm" for @EXTRA_MODULES;
		4114	cf::_connect_to_perl_2;
2210		4115
2211	END { cf::emergency_save }	4116	END { cf::emergency_save }
2212		4117
2213	1	4118	1
2214		4119

Diff Legend

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