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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.554 by root, Sat Jun 26 22:10:18 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
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
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; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO; # coroutines bound to extensions	141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
76	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		187
78	#############################################################################	188	#############################################################################
79		189
80	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
81		191
…		…
88	=item $cf::RUNTIME	198	=item $cf::RUNTIME
89		199
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	201	every server tick.
92		202
93	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		206
95	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
97		211
98	=item $cf::NOW	212	=item $cf::NOW
99		213
100	The time of the last (current) server tick.	214	The time of the last (current) server tick.
101		215
102	=item $cf::TICK	216	=item $cf::TICK
103		217
104	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
105		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
106	=item %cf::CFG	230	=item %cf::CFG
107		231
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	233	from wherever your confdir points to.
110		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one thread
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
111	=back	258	=back
112		259
113	=cut	260	=cut
114		261
115	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	269	my $msg = join "", @_;
118	utf8::encode $msg;
119		270
120	$msg .= "\n"	271	$msg .= "\n"
121	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
122		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
123	LOG llevError, $msg;	276	LOG llevWarn, $msg;
124	};	277	};
125	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
126		292
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		300
134	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	302	# within the Safe compartment.
136	for my $pkg (qw(	303	for my $pkg (qw(
137	cf::global cf::attachable	304	cf::global cf::attachable
138	cf::object cf::object::player	305	cf::object cf::object::player
139	cf::client cf::player	306	cf::client cf::player
140	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
141	cf::map cf::party cf::region	309	cf::party cf::region
142	)) {	310	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	312	}
146		313
147	$Event::DIED = sub {	314	$EV::DIED = sub {
148	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
149	};	316	};
150		317
151	my %ext_pkg;	318	#############################################################################
152	my @exts;
153	my @hook;
154		319
155	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
156		321
157	=over 4	322	=over 4
158		323
159	=cut	324	=item dumpval $ref
160		325
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	326	=cut
162		327
		328	sub dumpval {
		329	eval {
		330	local $SIG{__DIE__};
		331	my $d;
		332	if (1) {
		333	$d = new Data::Dumper([$_[0]], ["*var"]);
		334	$d->Terse(1);
		335	$d->Indent(2);
		336	$d->Quotekeys(0);
		337	$d->Useqq(1);
		338	#$d->Bless(...);
		339	$d->Seen($_[1]) if @_ > 1;
		340	$d = $d->Dump();
		341	}
		342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		343	$d
		344	} || "[unable to dump $_[0]: '$@']";
		345	}
		346
163	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
164		348
165	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
166		350
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
175		352
176	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
177		354
178	=cut	355	=cut
179		356
180	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
182	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
		386	}
		387
		388	sub _post_init {
		389	trace "running post_init jobs";
		390
		391	# run them in parallel...
		392
		393	my @join;
		394
		395	while () {
		396	push @join, map &Coro::async ($_, 0), @POST_INIT;
		397	@POST_INIT = ();
		398
		399	@join or last;
		400
		401	(pop @join)->join;
		402	}
183	}	403	}
184		404
185	=item cf::lock_wait $string	405	=item cf::lock_wait $string
186		406
187	Wait until the given lock is available. See cf::lock_acquire.	407	Wait until the given lock is available. See cf::lock_acquire.
188		408
189	=item my $lock = cf::lock_acquire $string	409	=item my $lock = cf::lock_acquire $string
190		410
191	Wait until the given lock is available and then acquires it and returns	411	Wait until the given lock is available and then acquires it and returns
192	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	412	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
193	for example when the coroutine gets canceled), the lock is automatically	413	for example when the coroutine gets canceled), the lock is automatically
194	returned.	414	returned.
195		415
		416	Locks are *not* recursive, locking from the same coro twice results in a
		417	deadlocked coro.
		418
196	Lock names should begin with a unique identifier (for example, cf::map::find	419	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	420	uses map_find and cf::map::load uses map_load).
198		421
199	=cut	422	=item $locked = cf::lock_active $string
200		423
201	our %LOCK;	424	Return true if the lock is currently active, i.e. somebody has locked it.
		425
		426	=cut
		427
		428	our $LOCKS = new Coro::SemaphoreSet;
202		429
203	sub lock_wait($) {	430	sub lock_wait($) {
204	my ($key) = @_;	431	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	432	}
212		433
213	sub lock_acquire($) {	434	sub lock_acquire($) {
214	my ($key) = @_;	435	$LOCKS->guard ($_[0])
		436	}
215		437
216	# wait, to be sure we are not locked	438	sub lock_active($) {
217	lock_wait $key;	439	$LOCKS->count ($_[0]) < 1
218
219	$LOCK{$key} = [];
220
221	Coro::guard {
222	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };
224	}
225	}	440	}
226		441
227	sub freeze_mainloop {	442	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	443	tick_inhibit_inc;
229		444
230	my $guard = Coro::guard { $TICK_WATCHER->start };	445	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	446	}
232	$guard	447
		448	=item cf::periodic $interval, $cb
		449
		450	Like EV::periodic, but randomly selects a starting point so that the actions
		451	get spread over time.
		452
		453	=cut
		454
		455	sub periodic($$) {
		456	my ($interval, $cb) = @_;
		457
		458	my $start = rand List::Util::min 180, $interval;
		459
		460	EV::periodic $start, $interval, 0, $cb
		461	}
		462
		463	=item cf::get_slot $time[, $priority[, $name]]
		464
		465	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		466	This call blocks and returns only when you have at least C<$time> seconds
		467	of cpu time till the next tick. The slot is only valid till the next cede.
		468
		469	The optional C<$name> can be used to identify the job to run. It might be
		470	used for statistical purposes and should identify the same time-class.
		471
		472	Useful for short background jobs.
		473
		474	=cut
		475
		476	our @SLOT_QUEUE;
		477	our $SLOT_QUEUE;
		478	our $SLOT_DECAY = 0.9;
		479
		480	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		481	$SLOT_QUEUE = Coro::async {
		482	$Coro::current->desc ("timeslot manager");
		483
		484	my $signal = new Coro::Signal;
		485	my $busy;
		486
		487	while () {
		488	next_job:
		489
		490	my $avail = cf::till_tick;
		491
		492	for (0 .. $#SLOT_QUEUE) {
		493	if ($SLOT_QUEUE[$_][0] <= $avail) {
		494	$busy = 0;
		495	my $job = splice @SLOT_QUEUE, $_, 1, ();
		496	$job->[2]->send;
		497	Coro::cede;
		498	goto next_job;
		499	} else {
		500	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		501	}
		502	}
		503
		504	if (@SLOT_QUEUE) {
		505	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		506	push @cf::WAIT_FOR_TICK, $signal;
		507	$signal->wait;
		508	} else {
		509	$busy = 0;
		510	Coro::schedule;
		511	}
		512	}
		513	};
		514
		515	sub get_slot($;$$) {
		516	return if tick_inhibit || $Coro::current == $Coro::main;
		517
		518	my ($time, $pri, $name) = @_;
		519
		520	$time = clamp $time, 0.01, $TICK * .6;
		521
		522	my $sig = new Coro::Signal;
		523
		524	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		525	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		526	$SLOT_QUEUE->ready;
		527	$sig->wait;
233	}	528	}
234		529
235	=item cf::async { BLOCK }	530	=item cf::async { BLOCK }
236		531
237	Currently the same as Coro::async_pool, meaning you cannot use	532	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		537
243	BEGIN { *async = \&Coro::async_pool }	538	BEGIN { *async = \&Coro::async_pool }
244		539
245	=item cf::sync_job { BLOCK }	540	=item cf::sync_job { BLOCK }
246		541
247	The design of crossfire+ requires that the main coro ($Coro::main) is	542	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	543	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	544	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		545	acceptable.
250		546
251	If it must be done, put the blocking parts into C<sync_job>. This will run	547	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	548	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	549	server will be frozen during this time, so the block should either finish
254	fast or be very important.	550	fast or be very important.
…		…
256	=cut	552	=cut
257		553
258	sub sync_job(&) {	554	sub sync_job(&) {
259	my ($job) = @_;	555	my ($job) = @_;
260		556
261	if ($Coro::current == $Coro::main) {	557	if (in_main) {
		558	my $time = AE::time;
		559
262	# this is the main coro, too bad, we have to block	560	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	561	# till the operation succeeds, freezing the server :/
264		562
265	# TODO: use suspend/resume instead	563	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	564
267	my $freeze_guard = freeze_mainloop;	565	my $freeze_guard = freeze_mainloop;
268		566
269	my $busy = 1;	567	my $busy = 1;
270	my @res;	568	my @res;
271		569
272	(async {	570	(async {
		571	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	572	@res = eval { $job->() };
274	warn $@ if $@;	573	error $@ if $@;
275	undef $busy;	574	undef $busy;
276	})->prio (Coro::PRIO_MAX);	575	})->prio (Coro::PRIO_MAX);
277		576
278	while ($busy) {	577	while ($busy) {
279	Coro::cede or Event::one_event;	578	if (Coro::nready) {
		579	Coro::cede_notself;
		580	} else {
		581	EV::loop EV::LOOP_ONESHOT;
280	}	582	}
		583	}
		584
		585	my $time = AE::time - $time;
		586
		587	$TICK_START += $time; # do not account sync jobs to server load
281		588
282	wantarray ? @res : $res[0]	589	wantarray ? @res : $res[0]
283	} else {	590	} else {
284	# we are in another coroutine, how wonderful, everything just works	591	# we are in another coroutine, how wonderful, everything just works
285		592
…		…
287	}	594	}
288	}	595	}
289		596
290	=item $coro = cf::async_ext { BLOCK }	597	=item $coro = cf::async_ext { BLOCK }
291		598
292	Like async, but this coro is automcatially being canceled when the	599	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	600	extension calling this is being unloaded.
294		601
295	=cut	602	=cut
296		603
297	sub async_ext(&) {	604	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	612	$EXT_CORO{$coro+0} = $coro;
306		613
307	$coro	614	$coro
308	}	615	}
309		616
310	sub write_runtime {	617	=item fork_call { }, @args
311	my $runtime = cf::localdir . "/runtime";
312		618
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	619	Executes the given code block with the given arguments in a seperate
314	or return;	620	process, returning the results. Everything must be serialisable with
		621	Coro::Storable. May, of course, block. Note that the executed sub may
		622	never block itself or use any form of event handling.
315		623
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	624	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		625
320	aio_fsync $fh	626	sub post_fork {
321	and return;	627	reset_signals;
		628	}
322		629
323	close $fh	630	sub fork_call(&@) {
324	or return;	631	my ($cb, @args) = @_;
325		632
326	aio_rename "$runtime~", $runtime	633	# we seemingly have to make a local copy of the whole thing,
327	and return;	634	# otherwise perl prematurely frees the stuff :/
		635	# TODO: investigate and fix (likely this will be rather laborious)
328		636
		637	my @res = Coro::Util::fork_eval {
		638	cf::post_fork;
		639	&$cb
		640	} @args;
		641
		642	wantarray ? @res : $res[-1]
		643	}
		644
		645	sub objinfo {
329	1	646	(
		647	"counter value" => cf::object::object_count,
		648	"objects created" => cf::object::create_count,
		649	"objects destroyed" => cf::object::destroy_count,
		650	"freelist size" => cf::object::free_count,
		651	"allocated objects" => cf::object::objects_size,
		652	"active objects" => cf::object::actives_size,
		653	)
		654	}
		655
		656	=item $coin = coin_from_name $name
		657
		658	=cut
		659
		660	our %coin_alias = (
		661	"silver" => "silvercoin",
		662	"silvercoin" => "silvercoin",
		663	"silvercoins" => "silvercoin",
		664	"gold" => "goldcoin",
		665	"goldcoin" => "goldcoin",
		666	"goldcoins" => "goldcoin",
		667	"platinum" => "platinacoin",
		668	"platinumcoin" => "platinacoin",
		669	"platinumcoins" => "platinacoin",
		670	"platina" => "platinacoin",
		671	"platinacoin" => "platinacoin",
		672	"platinacoins" => "platinacoin",
		673	"royalty" => "royalty",
		674	"royalties" => "royalty",
		675	);
		676
		677	sub coin_from_name($) {
		678	$coin_alias{$_[0]}
		679	? cf::arch::find $coin_alias{$_[0]}
		680	: undef
		681	}
		682
		683	=item $value = cf::db_get $family => $key
		684
		685	Returns a single value from the environment database.
		686
		687	=item cf::db_put $family => $key => $value
		688
		689	Stores the given C<$value> in the family. It can currently store binary
		690	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		691
		692	=item $db = cf::db_table "name"
		693
		694	Create and/or open a new database table. The string must not be "db" and must be unique
		695	within each server.
		696
		697	=cut
		698
		699	sub db_table($) {
		700	cf::error "db_get called from main context"
		701	if $Coro::current == $Coro::main;
		702
		703	my ($name) = @_;
		704	my $db = BDB::db_create $DB_ENV;
		705
		706	eval {
		707	$db->set_flags (BDB::CHKSUM);
		708
		709	utf8::encode $name;
		710	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		711	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		712	cf::cleanup "db_open(db): $!" if $!;
		713	};
		714	cf::cleanup "db_open(db): $@" if $@;
		715
		716	$db
		717	}
		718
		719	our $DB;
		720
		721	sub db_init {
		722	$DB ||= db_table "db";
		723	}
		724
		725	sub db_get($$) {
		726	my $key = "$_[0]/$_[1]";
		727
		728	cf::error "db_get called from main context"
		729	if $Coro::current == $Coro::main;
		730
		731	BDB::db_get $DB, undef, $key, my $data;
		732
		733	$! ? ()
		734	: $data
		735	}
		736
		737	sub db_put($$$) {
		738	BDB::dbreq_pri 4;
		739	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		740	}
		741
		742	=item cf::cache $id => [$paths...], $processversion => $process
		743
		744	Generic caching function that returns the value of the resource $id,
		745	caching and regenerating as required.
		746
		747	This function can block.
		748
		749	=cut
		750
		751	sub cache {
		752	my ($id, $src, $processversion, $process) = @_;
		753
		754	my $meta =
		755	join "\x00",
		756	$processversion,
		757	map {
		758	aio_stat $_
		759	and Carp::croak "$_: $!";
		760
		761	($_, (stat _)[7,9])
		762	} @$src;
		763
		764	my $dbmeta = db_get cache => "$id/meta";
		765	if ($dbmeta ne $meta) {
		766	# changed, we may need to process
		767
		768	my @data;
		769	my $md5;
		770
		771	for (0 .. $#$src) {
		772	0 <= aio_load $src->[$_], $data[$_]
		773	or Carp::croak "$src->[$_]: $!";
		774	}
		775
		776	# if processing is expensive, check
		777	# checksum first
		778	if (1) {
		779	$md5 =
		780	join "\x00",
		781	$processversion,
		782	map {
		783	cf::cede_to_tick;
		784	($src->[$_], Digest::MD5::md5_hex $data[$_])
		785	} 0.. $#$src;
		786
		787
		788	my $dbmd5 = db_get cache => "$id/md5";
		789	if ($dbmd5 eq $md5) {
		790	db_put cache => "$id/meta", $meta;
		791
		792	return db_get cache => "$id/data";
		793	}
		794	}
		795
		796	my $t1 = Time::HiRes::time;
		797	my $data = $process->(\@data);
		798	my $t2 = Time::HiRes::time;
		799
		800	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		801
		802	db_put cache => "$id/data", $data;
		803	db_put cache => "$id/md5" , $md5;
		804	db_put cache => "$id/meta", $meta;
		805
		806	return $data;
		807	}
		808
		809	db_get cache => "$id/data"
		810	}
		811
		812	=item cf::datalog type => key => value, ...
		813
		814	Log a datalog packet of the given type with the given key-value pairs.
		815
		816	=cut
		817
		818	sub datalog($@) {
		819	my ($type, %kv) = @_;
		820	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	821	}
331		822
332	=back	823	=back
333		824
334	=cut	825	=cut
335		826
336	#############################################################################	827	#############################################################################
337		828
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455
456	#############################################################################
457
458	=head2 ATTACHABLE OBJECTS	829	=head2 ATTACHABLE OBJECTS
459		830
460	Many objects in crossfire are so-called attachable objects. That means you can	831	Many objects in deliantra are so-called attachable objects. That means you can
461	attach callbacks/event handlers (a collection of which is called an "attachment")	832	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	833	to it. All such attachable objects support the following methods.
463		834
464	In the following description, CLASS can be any of C<global>, C<object>	835	In the following description, CLASS can be any of C<global>, C<object>
465	C<player>, C<client> or C<map> (i.e. the attachable objects in	836	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	837	Deliantra).
467		838
468	=over 4	839	=over 4
469		840
470	=item $attachable->attach ($attachment, key => $value...)	841	=item $attachable->attach ($attachment, key => $value...)
471		842
…		…
515	=item cf::CLASS::attachment $name, ...	886	=item cf::CLASS::attachment $name, ...
516		887
517	Register an attachment by C<$name> through which attachable objects of the	888	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	889	given CLASS can refer to this attachment.
519		890
520	Some classes such as crossfire maps and objects can specify attachments	891	Some classes such as deliantra maps and objects can specify attachments
521	that are attached at load/instantiate time, thus the need for a name.	892	that are attached at load/instantiate time, thus the need for a name.
522		893
523	These calls expect any number of the following handler/hook descriptions:	894	These calls expect any number of the following handler/hook descriptions:
524		895
525	=over 4	896	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	956	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	957	our @CB_MAP = ();
587		958
588	my %attachment;	959	my %attachment;
589		960
		961	sub cf::attachable::thawer_merge {
		962	# simply override everything except _meta
		963	local $_[0]{_meta};
		964	%{$_[0]} = %{$_[1]};
		965	}
		966
590	sub _attach_cb($$$$) {	967	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	968	my ($registry, $event, $prio, $cb) = @_;
592		969
593	use sort 'stable';	970	use sort 'stable';
594		971
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	1005	$registry = $CB_TYPE[$object_type] ||= [];
629		1006
630	} elsif ($type eq "subtype") {	1007	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	1008	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	1009	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	1010	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		1011
635	} elsif ($type eq "package") {	1012	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	1013	my $pkg = shift @arg;
637		1014
638	while (my ($name, $id) = each %cb_id) {	1015	while (my ($name, $id) = each %cb_id) {
…		…
643		1020
644	} elsif (exists $cb_id{$type}) {	1021	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1022	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		1023
647	} elsif (ref $type) {	1024	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	1025	error "attaching objects not supported, ignoring.\n";
649		1026
650	} else {	1027	} else {
651	shift @arg;	1028	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	1029	error "attach argument '$type' not supported, ignoring.\n";
653	}	1030	}
654	}	1031	}
655	}	1032	}
656		1033
657	sub _object_attach {	1034	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1044	_attach $registry, $klass, @attach;
668	}	1045	}
669		1046
670	$obj->{$name} = \%arg;	1047	$obj->{$name} = \%arg;
671	} else {	1048	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1049	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1050	}
674		1051
675	$obj->{_attachment}{$name} = undef;	1052	$obj->{_attachment}{$name} = undef;
676	}	1053	}
677		1054
…		…
679	if (ref $_[0]) {	1056	if (ref $_[0]) {
680	_object_attach @_;	1057	_object_attach @_;
681	} else {	1058	} else {
682	_attach shift->_attach_registry, @_;	1059	_attach shift->_attach_registry, @_;
683	}	1060	}
		1061	_recalc_want;
684	};	1062	};
685		1063
686	# all those should be optimised	1064	# all those should be optimised
687	sub cf::attachable::detach {	1065	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1066	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1069	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1070	reattach ($obj);
693	} else {	1071	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1072	Carp::croak "cannot, currently, detach class attachments";
695	}	1073	}
		1074	_recalc_want;
696	};	1075	};
697		1076
698	sub cf::attachable::attached {	1077	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1078	my ($obj, $name) = @_;
700		1079
…		…
715	";	1094	";
716	die if $@;	1095	die if $@;
717	}	1096	}
718		1097
719	our $override;	1098	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1099	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1100
722	sub override {	1101	sub override {
723	$override = 1;	1102	$override = 1;
724	@invoke_results = ();	1103	@INVOKE_RESULTS = (@_);
725	}	1104	}
726		1105
727	sub do_invoke {	1106	sub do_invoke {
728	my $event = shift;	1107	my $event = shift;
729	my $callbacks = shift;	1108	my $callbacks = shift;
730		1109
731	@invoke_results = ();	1110	@INVOKE_RESULTS = ();
732		1111
733	local $override;	1112	local $override;
734		1113
735	for (@$callbacks) {	1114	for (@$callbacks) {
736	eval { &{$_->[1]} };	1115	eval { &{$_->[1]} };
737		1116
738	if ($@) {	1117	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1118	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1119	override;
742	}	1120	}
743		1121
744	return 1 if $override;	1122	return 1 if $override;
745	}	1123	}
746		1124
747	0	1125	0
748	}	1126	}
749		1127
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1128	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1129
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1130	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1131
754	Generate an object-specific event with the given arguments.	1132	Generate an object-specific event with the given arguments.
755		1133
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1134	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
757	removed in future versions), and there is no public API to access override	1135	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1136	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1137
760	=back	1138	=back
761		1139
762	=cut	1140	=cut
763		1141
764	#############################################################################	1142	#############################################################################
765	# object support	1143	# object support
		1144
		1145	sub _object_equal($$);
		1146	sub _object_equal($$) {
		1147	my ($a, $b) = @_;
		1148
		1149	return 0 unless (ref $a) eq (ref $b);
		1150
		1151	if ("HASH" eq ref $a) {
		1152	my @ka = keys %$a;
		1153	my @kb = keys %$b;
		1154
		1155	return 0 if @ka != @kb;
		1156
		1157	for (0 .. $#ka) {
		1158	return 0 unless $ka[$_] eq $kb[$_];
		1159	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1160	}
		1161
		1162	} elsif ("ARRAY" eq ref $a) {
		1163
		1164	return 0 if @$a != @$b;
		1165
		1166	for (0 .. $#$a) {
		1167	return 0 unless _object_equal $a->[$_], $b->[$_];
		1168	}
		1169
		1170	} elsif ($a ne $b) {
		1171	return 0;
		1172	}
		1173
		1174	1
		1175	}
		1176
		1177	our $SLOW_MERGES;#d#
		1178	sub _can_merge {
		1179	my ($ob1, $ob2) = @_;
		1180
		1181	++$SLOW_MERGES;#d#
		1182
		1183	# we do the slow way here
		1184	return _object_equal $ob1, $ob2
		1185	}
766		1186
767	sub reattach {	1187	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1188	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1189	my ($obj) = @_;
		1190
		1191	# no longer needed after getting rid of delete_package?
		1192	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1193
771	my $registry = $obj->registry;	1194	my $registry = $obj->registry;
772		1195
773	@$registry = ();	1196	@$registry = ();
774		1197
…		…
779	for (@$attach) {	1202	for (@$attach) {
780	my ($klass, @attach) = @$_;	1203	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1204	_attach $registry, $klass, @attach;
782	}	1205	}
783	} else {	1206	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1207	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1208	}
786	}	1209	}
787	}	1210	}
788		1211
789	cf::attachable->attach (	1212	cf::attachable->attach (
790	prio => -1000000,	1213	prio => -1000000,
791	on_instantiate => sub {	1214	on_instantiate => sub {
792	my ($obj, $data) = @_;	1215	my ($obj, $data) = @_;
793		1216
794	$data = from_json $data;	1217	$data = decode_json $data;
795		1218
796	for (@$data) {	1219	for (@$data) {
797	my ($name, $args) = @$_;	1220	my ($name, $args) = @$_;
798		1221
799	$obj->attach ($name, %{$args || {} });	1222	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1238	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1239	my ($filename, $rdata, $objs) = @_;
817		1240
818	sync_job {	1241	sync_job {
819	if (length $$rdata) {	1242	if (length $$rdata) {
		1243	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1244	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1245	$decname, length $$rdata, scalar @$objs
		1246	if $VERBOSE_IO;
822		1247
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1248	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1249	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1250	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1251	if ($cf::USE_FSYNC) {
		1252	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1253	aio_fsync $fh;
		1254	}
827	close $fh;	1255	aio_close $fh;
828		1256
829	if (@$objs) {	1257	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1258	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1259	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1260	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1261	aio_write $fh, 0, (length $data), $data, 0;
		1262	if ($cf::USE_FSYNC) {
		1263	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
834	aio_fsync $fh;	1264	aio_fsync $fh;
		1265	}
835	close $fh;	1266	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1267	aio_rename "$filename.pst~", "$filename.pst";
837	}	1268	}
838	} else {	1269	} else {
839	aio_unlink "$filename.pst";	1270	aio_unlink "$filename.pst";
840	}	1271	}
841		1272
842	aio_rename "$filename~", $filename;	1273	aio_rename "$filename~", $filename;
		1274
		1275	$filename =~ s%/[^/]+$%%;
		1276	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1277	} else {
844	warn "FATAL: $filename~: $!\n";	1278	error "unable to save objects: $filename~: $!\n";
845	}	1279	}
846	} else {	1280	} else {
847	aio_unlink $filename;	1281	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1282	aio_unlink "$filename.pst";
849	}	1283	}
850	}	1284	};
851	}	1285	}
852		1286
853	sub object_freezer_as_string {	1287	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1288	my ($rdata, $objs) = @_;
855		1289
…		…
867	or return;	1301	or return;
868		1302
869	unless (aio_stat "$filename.pst") {	1303	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1304	(aio_load "$filename.pst", $av) >= 0
871	or return;	1305	or return;
		1306
872	$av = eval { (Storable::thaw $av)->{objs} };	1307	my $st = eval { Coro::Storable::thaw $av };
		1308	$av = $st->{objs};
873	}	1309	}
874		1310
		1311	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1312	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1313	$decname, length $data, scalar @{$av || []}
		1314	if $VERBOSE_IO;
		1315
877	return ($data, $av);	1316	($data, $av)
878	}	1317	}
		1318
		1319	=head2 COMMAND CALLBACKS
		1320
		1321	=over 4
		1322
		1323	=cut
879		1324
880	#############################################################################	1325	#############################################################################
881	# command handling &c	1326	# command handling &c
882		1327
883	=item cf::register_command $name => \&callback($ob,$args);	1328	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1341	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1342	}
898		1343
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1344	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1345
901	Register a callbackf ro execution when the client sends an extcmd packet.	1346	Register a callback for execution when the client sends an (synchronous)
		1347	extcmd packet. Ext commands will be processed in the order they are
		1348	received by the server, like other user commands. The first argument is
		1349	the logged-in player. Ext commands can only be processed after a player
		1350	has logged in successfully.
902		1351
903	If the callback returns something, it is sent back as if reply was being	1352	If the callback returns something, it is sent back as if reply was being
904	called.	1353	called.
905		1354
		1355	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1356
		1357	Register a callback for execution when the client sends an (asynchronous)
		1358	exticmd packet. Exti commands are processed by the server as soon as they
		1359	are received, i.e. out of order w.r.t. other commands. The first argument
		1360	is a client socket. Exti commands can be received anytime, even before
		1361	log-in.
		1362
		1363	If the callback returns something, it is sent back as if reply was being
		1364	called.
		1365
906	=cut	1366	=cut
907		1367
908	sub register_extcmd {	1368	sub register_extcmd {
909	my ($name, $cb) = @_;	1369	my ($name, $cb) = @_;
910		1370
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1371	$EXTCMD{$name} = $cb;
915	}	1372	}
		1373
		1374	sub register_exticmd {
		1375	my ($name, $cb) = @_;
		1376
		1377	$EXTICMD{$name} = $cb;
		1378	}
		1379
		1380	use File::Glob ();
916		1381
917	cf::player->attach (	1382	cf::player->attach (
918	on_command => sub {	1383	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1384	my ($pl, $name, $params) = @_;
920		1385
921	my $cb = $COMMAND{$name}	1386	my $cb = $COMMAND{$name}
922	or return;	1387	or return;
923		1388
…		…
928	cf::override;	1393	cf::override;
929	},	1394	},
930	on_extcmd => sub {	1395	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1396	my ($pl, $buf) = @_;
932		1397
933	my $msg = eval { from_json $buf };	1398	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1399
935	if (ref $msg) {	1400	if (ref $msg) {
		1401	my ($type, $reply, @payload) =
		1402	"ARRAY" eq ref $msg
		1403	? @$msg
		1404	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1405
		1406	my @reply;
		1407
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1408	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1409	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1410	}
		1411
		1412	$pl->ext_reply ($reply, @reply)
		1413	if $reply;
		1414
941	} else {	1415	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1416	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1417	}
944		1418
945	cf::override;	1419	cf::override;
946	},	1420	},
947	);	1421	);
948		1422
949	sub register {	1423	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1424	sub cache_extensions {
956	my ($path) = @_;	1425	my $grp = IO::AIO::aio_group;
957		1426
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1427	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1428	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1429	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}	1430	}
1008	}	1431	};
1009		1432
1010	# remove extcmds	1433	$grp
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}	1434	}
1024		1435
1025	sub load_extensions {	1436	sub load_extensions {
		1437	info "loading extensions...";
		1438
		1439	cf::sync_job {
		1440	my %todo;
		1441
1026	for my $ext (<$LIBDIR/*.ext>) {	1442	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1443	next unless -r $path;
1028	eval {	1444
1029	load_extension $ext;	1445	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1446	my $base = $1;
		1447	my $pkg = $1;
		1448	$pkg =~ s/[^[:word:]]/_/g;
		1449	$pkg = "ext::$pkg";
		1450
		1451	open my $fh, "<:utf8", $path
		1452	or die "$path: $!";
		1453
		1454	my $source = do { local $/; <$fh> };
		1455
		1456	my %ext = (
		1457	path => $path,
		1458	base => $base,
		1459	pkg => $pkg,
		1460	);
		1461
		1462	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1463	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1464
		1465	$ext{source} =
		1466	"package $pkg; use common::sense;\n"
		1467	. "#line 1 \"$path\"\n{\n"
		1468	. $source
		1469	. "\n};\n1";
		1470
		1471	$todo{$base} = \%ext;
		1472	}
		1473
		1474	my $pass = 0;
		1475	my %done;
		1476	while (%todo) {
		1477	my $progress;
		1478
		1479	++$pass;
		1480
		1481	ext:
		1482	while (my ($k, $v) = each %todo) {
		1483	for (split /,\s*/, $v->{meta}{depends}) {
		1484	next ext
		1485	unless exists $done{$_};
		1486	}
		1487
		1488	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1489
		1490	my $active = eval $v->{source};
		1491
		1492	if (length $@) {
		1493	error "$v->{path}: $@\n";
		1494
		1495	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1496	if exists $v->{meta}{mandatory};
		1497
		1498	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1499	delete $todo{$k};
		1500	} else {
		1501	$done{$k} = delete $todo{$k};
		1502	push @EXTS, $v->{pkg};
		1503	$progress = 1;
		1504
		1505	info "$v->{base}: extension inactive.\n"
		1506	unless $active;
		1507	}
1030	1	1508	}
1031	} or warn "$ext not loaded: $@";	1509
		1510	unless ($progress) {
		1511	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1512
		1513	while (my ($k, $v) = each %todo) {
		1514	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1515	if exists $v->{meta}{mandatory};
		1516	}
		1517	}
		1518	}
1032	}	1519	};
1033	}	1520	}
1034		1521
1035	#############################################################################	1522	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1523
1038	*cf::mapsupport::on_clean = sub {	1524	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1525
1073	=head2 CORE EXTENSIONS	1526	=head2 CORE EXTENSIONS
1074		1527
1075	Functions and methods that extend core crossfire objects.	1528	Functions and methods that extend core deliantra objects.
1076		1529
1077	=cut	1530	=cut
1078		1531
1079	package cf::player;	1532	package cf::player;
1080		1533
		1534	use Coro::AIO;
		1535
1081	=head3 cf::player	1536	=head3 cf::player
1082		1537
1083	=over 4	1538	=over 4
1084		1539
		1540	=item cf::player::num_playing
		1541
		1542	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1543
		1544	=cut
		1545
		1546	sub num_playing {
		1547	scalar grep
		1548	$_->ob->map
		1549	&& !$_->hidden
		1550	&& !$_->ob->flag (cf::FLAG_WIZ),
		1551	cf::player::list
		1552	}
		1553
1085	=item cf::player::find $login	1554	=item cf::player::find $login
1086		1555
1087	Returns the given player object, loading it if necessary (might block).	1556	Returns the given player object, loading it if necessary (might block).
1088		1557
1089	=cut	1558	=cut
1090		1559
1091	sub playerdir($) {	1560	sub playerdir($) {
1092	cf::localdir	1561	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1562	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1563	}
1098		1564
1099	sub path($) {	1565	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1566	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1567
1102	(playerdir $login) . "/$login.pl"	1568	(playerdir $login) . "/playerdata"
1103	}	1569	}
1104		1570
1105	sub find_active($) {	1571	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1572	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1573	and $cf::PLAYER{$_[0]}->active
…		…
1110		1576
1111	sub exists($) {	1577	sub exists($) {
1112	my ($login) = @_;	1578	my ($login) = @_;
1113		1579
1114	$cf::PLAYER{$login}	1580	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1581	or !aio_stat path $login
1116	}	1582	}
1117		1583
1118	sub find($) {	1584	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1585	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1586	my $login = $_[0];
1121		1587
1122	my $guard = cf::lock_acquire "user_find:$login";	1588	my $guard = cf::lock_acquire "user_find:$login";
1123		1589
1124	$cf::PLAYER{$_[0]} || do {	1590	$cf::PLAYER{$_[0]} || do {
1125	my $pl = load_pl path $login	1591	# rename old playerfiles to new ones
		1592	#TODO: remove when no longer required
		1593	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1594	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1595	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1596	aio_unlink +(playerdir $login) . "/$login.pl";
		1597
		1598	my $f = new_from_file cf::object::thawer path $login
1126	or return;	1599	or return;
		1600
		1601	my $pl = cf::player::load_pl $f
		1602	or return;
		1603
		1604	local $cf::PLAYER_LOADING{$login} = $pl;
		1605	$f->resolve_delayed_derefs;
1127	$cf::PLAYER{$login} = $pl	1606	$cf::PLAYER{$login} = $pl
1128	}	1607	}
1129	}	1608	}
1130	}	1609	}
		1610
		1611	cf::player->attach (
		1612	on_load => sub {
		1613	my ($pl, $path) = @_;
		1614
		1615	# restore slots saved in save, below
		1616	my $slots = delete $pl->{_slots};
		1617
		1618	$pl->ob->current_weapon ($slots->[0]);
		1619	$pl->combat_ob ($slots->[1]);
		1620	$pl->ranged_ob ($slots->[2]);
		1621	},
		1622	);
1131		1623
1132	sub save($) {	1624	sub save($) {
1133	my ($pl) = @_;	1625	my ($pl) = @_;
1134		1626
1135	return if $pl->{deny_save};	1627	return if $pl->{deny_save};
…		…
1137	my $path = path $pl;	1629	my $path = path $pl;
1138	my $guard = cf::lock_acquire "user_save:$path";	1630	my $guard = cf::lock_acquire "user_save:$path";
1139		1631
1140	return if $pl->{deny_save};	1632	return if $pl->{deny_save};
1141		1633
1142	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1634	aio_mkdir playerdir $pl, 0770;
1143	$pl->{last_save} = $cf::RUNTIME;	1635	$pl->{last_save} = $cf::RUNTIME;
1144		1636
		1637	cf::get_slot 0.01;
		1638
		1639	# save slots, to be restored later
		1640	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1641
1145	$pl->save_pl ($path);	1642	$pl->save_pl ($path);
1146	Coro::cede;	1643	cf::cede_to_tick;
1147	}	1644	}
1148		1645
1149	sub new($) {	1646	sub new($) {
1150	my ($login) = @_;	1647	my ($login) = @_;
1151		1648
…		…
1157	$cf::PLAYER{$login} = $self;	1654	$cf::PLAYER{$login} = $self;
1158		1655
1159	$self	1656	$self
1160	}	1657	}
1161		1658
		1659	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1660
		1661	=cut
		1662
		1663	sub send_msg {
		1664	my $ns = shift->ns
		1665	or return;
		1666	$ns->send_msg (@_);
		1667	}
		1668
		1669	=item $pl->quit_character
		1670
		1671	Nukes the player without looking back. If logged in, the connection will
		1672	be destroyed. May block for a long time.
		1673
		1674	=cut
		1675
1162	sub quit_character {	1676	sub quit_character {
1163	my ($pl) = @_;	1677	my ($pl) = @_;
1164		1678
		1679	my $name = $pl->ob->name;
		1680
1165	$pl->{deny_save} = 1;	1681	$pl->{deny_save} = 1;
1166	$pl->password ("*"); # this should lock out the player until we nuked the dir	1682	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1167		1683
1168	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1684	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1169	$pl->deactivate;	1685	$pl->deactivate;
		1686
		1687	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1170	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1688	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1689	ext::highscore::check ($pl->ob);
		1690
1171	$pl->ns->destroy if $pl->ns;	1691	$pl->ns->destroy if $pl->ns;
1172		1692
1173	my $path = playerdir $pl;	1693	my $path = playerdir $pl;
1174	my $temp = "$path~$cf::RUNTIME~deleting~";	1694	my $temp = "$path~$cf::RUNTIME~deleting~";
1175	Coro::AIO::aio_rename $path, $temp;	1695	aio_rename $path, $temp;
1176	delete $cf::PLAYER{$pl->ob->name};	1696	delete $cf::PLAYER{$pl->ob->name};
1177	$pl->destroy;	1697	$pl->destroy;
		1698
		1699	my $prefix = qr<^~\Q$name\E/>;
		1700
		1701	# nuke player maps
		1702	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1703
1178	IO::AIO::aio_rmtree $temp;	1704	IO::AIO::aio_rmtree $temp;
1179	}	1705	}
1180		1706
		1707	=item $pl->kick
		1708
		1709	Kicks a player out of the game. This destroys the connection.
		1710
		1711	=cut
		1712
		1713	sub kick {
		1714	my ($pl, $kicker) = @_;
		1715
		1716	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1717	$pl->killer ("kicked");
		1718	$pl->ns->destroy;
		1719	}
		1720
		1721	=item cf::player::list_logins
		1722
		1723	Returns am arrayref of all valid playernames in the system, can take a
		1724	while and may block, so not sync_job-capable, ever.
		1725
		1726	=cut
		1727
		1728	sub list_logins {
		1729	my $dirs = aio_readdir $PLAYERDIR
		1730	or return [];
		1731
		1732	my @logins;
		1733
		1734	for my $login (@$dirs) {
		1735	my $path = path $login;
		1736
		1737	# a .pst is a dead give-away for a valid player
		1738	# if no pst file found, open and chekc for blocked users
		1739	if (aio_stat "$path.pst") {
		1740	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1741	aio_read $fh, 0, 512, my $buf, 0 or next;
		1742	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1743	}
		1744
		1745	utf8::decode $login;
		1746	push @logins, $login;
		1747	}
		1748
		1749	\@logins
		1750	}
		1751
		1752	=item $player->maps
		1753
		1754	=item cf::player::maps $login
		1755
		1756	Returns an arrayref of map paths that are private for this
		1757	player. May block.
		1758
		1759	=cut
		1760
		1761	sub maps($) {
		1762	my ($pl) = @_;
		1763
		1764	$pl = ref $pl ? $pl->ob->name : $pl;
		1765
		1766	my $files = aio_readdir playerdir $pl
		1767	or return;
		1768
		1769	my @paths;
		1770
		1771	for (@$files) {
		1772	utf8::decode $_;
		1773	next if /\.(?:pl|pst)$/;
		1774	next unless /^$PATH_SEP/o;
		1775
		1776	push @paths, cf::map::normalise "~$pl/$_";
		1777	}
		1778
		1779	\@paths
		1780	}
		1781
		1782	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1783
		1784	Expand deliantra pod fragments into protocol xml.
		1785
1181	=item $player->ext_reply ($msgid, $msgtype, %msg)	1786	=item $player->ext_reply ($msgid, @msg)
1182		1787
1183	Sends an ext reply to the player.	1788	Sends an ext reply to the player.
1184		1789
1185	=cut	1790	=cut
1186		1791
1187	sub ext_reply($$$%) {	1792	sub ext_reply($$@) {
1188	my ($self, $id, %msg) = @_;	1793	my ($self, $id, @msg) = @_;
1189		1794
1190	$msg{msgid} = $id;	1795	$self->ns->ext_reply ($id, @msg)
1191
1192	$self->send ("ext " . cf::to_json \%msg);
1193	}	1796	}
1194		1797
1195	package cf;	1798	=item $player->ext_msg ($type, @msg)
		1799
		1800	Sends an ext event to the client.
		1801
		1802	=cut
		1803
		1804	sub ext_msg($$@) {
		1805	my ($self, $type, @msg) = @_;
		1806
		1807	$self->ns->ext_msg ($type, @msg);
		1808	}
		1809
		1810	=head3 cf::region
		1811
		1812	=over 4
		1813
		1814	=cut
		1815
		1816	package cf::region;
		1817
		1818	=item cf::region::find_by_path $path
		1819
		1820	Tries to decuce the likely region for a map knowing only its path.
		1821
		1822	=cut
		1823
		1824	sub find_by_path($) {
		1825	my ($path) = @_;
		1826
		1827	$path =~ s/^~[^\/]*//; # skip ~login
		1828
		1829	my ($match, $specificity);
		1830
		1831	for my $region (list) {
		1832	if ($region->{match} && $path =~ $region->{match}) {
		1833	($match, $specificity) = ($region, $region->specificity)
		1834	if $region->specificity > $specificity;
		1835	}
		1836	}
		1837
		1838	$match
		1839	}
1196		1840
1197	=back	1841	=back
1198
1199		1842
1200	=head3 cf::map	1843	=head3 cf::map
1201		1844
1202	=over 4	1845	=over 4
1203		1846
…		…
1206	package cf::map;	1849	package cf::map;
1207		1850
1208	use Fcntl;	1851	use Fcntl;
1209	use Coro::AIO;	1852	use Coro::AIO;
1210		1853
		1854	use overload
		1855	'""' => \&as_string,
		1856	fallback => 1;
		1857
1211	our $MAX_RESET = 3600;	1858	our $MAX_RESET = 3600;
1212	our $DEFAULT_RESET = 3000;	1859	our $DEFAULT_RESET = 3000;
1213		1860
1214	sub generate_random_map {	1861	sub generate_random_map {
1215	my ($path, $rmp) = @_;	1862	my ($self, $rmp) = @_;
		1863
		1864	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1216		1865
1217	# mit "rum" bekleckern, nicht	1866	# mit "rum" bekleckern, nicht
1218	cf::map::_create_random_map	1867	$self->_create_random_map (
1219	$path,	1868	$rmp,
1220	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1869	$rmp->{wall_name}, $rmp->{monsterstyle},
1221	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1870	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1871	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{this_map},
1223	$rmp->{exit_on_final_map},	1872	$rmp->{exit_on_final_map},
1224	$rmp->{xsize}, $rmp->{ysize},	1873	$rmp->{xsize}, $rmp->{ysize},
1225	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1874	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1875	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1876	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1877	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1229	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1878	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230	(cf::region::find $rmp->{region})	1879	(cf::region::find $rmp->{region})
		1880	)
1231	}	1881	}
1232		1882
1233	# and all this just because we cannot iterate over	1883	=item cf::map->register ($regex, $prio)
1234	# all maps in C++...
1235	sub change_all_map_light {
1236	my ($change) = @_;
1237		1884
1238	$_->change_map_light ($change)	1885	Register a handler for the map path matching the given regex at the
1239	for grep $_->outdoor, values %cf::MAP;	1886	givne priority (higher is better, built-in handlers have priority 0, the
1240	}	1887	default).
1241		1888
1242	sub try_load_header($) {	1889	=cut
		1890
		1891	sub register {
		1892	my (undef, $regex, $prio) = @_;
		1893	my $pkg = caller;
		1894
		1895	push @{"$pkg\::ISA"}, __PACKAGE__;
		1896
		1897	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1898	}
		1899
		1900	# also paths starting with '/'
		1901	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1902
		1903	sub thawer_merge {
		1904	my ($self, $merge) = @_;
		1905
		1906	# we have to keep some variables in memory intact
		1907	local $self->{path};
		1908	local $self->{load_path};
		1909
		1910	$self->SUPER::thawer_merge ($merge);
		1911	}
		1912
		1913	sub normalise {
1243	my ($path) = @_;	1914	my ($path, $base) = @_;
		1915
		1916	$path = "$path"; # make sure it's a string
		1917
		1918	$path =~ s/\.map$//;
		1919
		1920	# map plan:
		1921	#
		1922	# /! non-realised random map exit (special hack!)
		1923	# {... are special paths that are not being touched
		1924	# ?xxx/... are special absolute paths
		1925	# ?random/... random maps
		1926	# /... normal maps
		1927	# ~user/... per-player map of a specific user
		1928
		1929	$path =~ s/$PATH_SEP/\//go;
		1930
		1931	# treat it as relative path if it starts with
		1932	# something that looks reasonable
		1933	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1934	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1935
		1936	$base =~ s{[^/]+/?$}{};
		1937	$path = "$base/$path";
		1938	}
		1939
		1940	for ($path) {
		1941	redo if s{/\.?/}{/};
		1942	redo if s{/[^/]+/\.\./}{/};
		1943	}
		1944
		1945	$path
		1946	}
		1947
		1948	sub new_from_path {
		1949	my (undef, $path, $base) = @_;
		1950
		1951	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1952
		1953	$path = normalise $path, $base;
		1954
		1955	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1956	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1957	my $self = bless cf::map::new, $pkg;
		1958	$self->{path} = $path; $self->path ($path);
		1959	$self->init; # pass $1 etc.
		1960	return $self;
		1961	}
		1962	}
		1963
		1964	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1965	()
		1966	}
		1967
		1968	sub init {
		1969	my ($self) = @_;
		1970
		1971	$self
		1972	}
		1973
		1974	sub as_string {
		1975	my ($self) = @_;
		1976
		1977	"$self->{path}"
		1978	}
		1979
		1980	# the displayed name, this is a one way mapping
		1981	sub visible_name {
		1982	&as_string
		1983	}
		1984
		1985	# the original (read-only) location
		1986	sub load_path {
		1987	my ($self) = @_;
		1988
		1989	"$MAPDIR/$self->{path}.map"
		1990	}
		1991
		1992	# the temporary/swap location
		1993	sub save_path {
		1994	my ($self) = @_;
		1995
		1996	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1997	"$TMPDIR/$path.map"
		1998	}
		1999
		2000	# the unique path, undef == no special unique path
		2001	sub uniq_path {
		2002	my ($self) = @_;
		2003
		2004	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		2005	"$UNIQUEDIR/$path"
		2006	}
		2007
		2008	sub decay_objects {
		2009	my ($self) = @_;
		2010
		2011	return if $self->{deny_reset};
		2012
		2013	$self->do_decay_objects;
		2014	}
		2015
		2016	sub unlink_save {
		2017	my ($self) = @_;
		2018
		2019	utf8::encode (my $save = $self->save_path);
		2020	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2021	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2022	}
		2023
		2024	sub load_header_from($) {
		2025	my ($self, $path) = @_;
1244		2026
1245	utf8::encode $path;	2027	utf8::encode $path;
1246	aio_open $path, O_RDONLY, 0	2028	my $f = new_from_file cf::object::thawer $path
1247	or return;	2029	or return;
1248		2030
1249	my $map = cf::map::new	2031	$self->_load_header ($f)
1250	or return;	2032	or return;
1251		2033
1252	# for better error messages only, will be overwritten	2034	local $MAP_LOADING{$self->{path}} = $self;
1253	$map->path ($path);	2035	$f->resolve_delayed_derefs;
1254		2036
1255	$map->load_header ($path)	2037	$self->{load_path} = $path;
		2038
		2039	1
		2040	}
		2041
		2042	sub load_header_orig {
		2043	my ($self) = @_;
		2044
		2045	$self->load_header_from ($self->load_path)
		2046	}
		2047
		2048	sub load_header_temp {
		2049	my ($self) = @_;
		2050
		2051	$self->load_header_from ($self->save_path)
		2052	}
		2053
		2054	sub prepare_temp {
		2055	my ($self) = @_;
		2056
		2057	$self->last_access ((delete $self->{last_access})
		2058	|| $cf::RUNTIME); #d#
		2059	# safety
		2060	$self->{instantiate_time} = $cf::RUNTIME
		2061	if $self->{instantiate_time} > $cf::RUNTIME;
		2062	}
		2063
		2064	sub prepare_orig {
		2065	my ($self) = @_;
		2066
		2067	$self->{load_original} = 1;
		2068	$self->{instantiate_time} = $cf::RUNTIME;
		2069	$self->last_access ($cf::RUNTIME);
		2070	$self->instantiate;
		2071	}
		2072
		2073	sub load_header {
		2074	my ($self) = @_;
		2075
		2076	if ($self->load_header_temp) {
		2077	$self->prepare_temp;
		2078	} else {
		2079	$self->load_header_orig
1256	or return;	2080	or return;
		2081	$self->prepare_orig;
		2082	}
1257		2083
1258	$map->{load_path} = $path;	2084	$self->{deny_reset} = 1
		2085	if $self->no_reset;
1259		2086
1260	$map	2087	$self->default_region (cf::region::find_by_path $self->{path})
		2088	unless $self->default_region;
		2089
		2090	1
1261	}	2091	}
1262		2092
1263	sub find;	2093	sub find;
1264	sub find {	2094	sub find {
1265	my ($path, $origin) = @_;	2095	my ($path, $origin) = @_;
1266		2096
1267	#warn "find<$path,$origin>\n";#d#	2097	cf::cede_to_tick;
1268		2098
1269	$path = new cf::path $path, $origin && $origin->path;	2099	$path = normalise $path, $origin && $origin->path;
1270	my $key = $path->as_string;
1271		2100
1272	cf::lock_wait "map_find:$key";	2101	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1273
1274	$cf::MAP{$key} || do {
1275	my $guard = cf::lock_acquire "map_find:$key";	2102	my $guard2 = cf::lock_acquire "map_find:$path";
1276		2103
1277	# do it the slow way	2104	$cf::MAP{$path} || do {
1278	my $map = try_load_header $path->save_path;	2105	my $map = new_from_path cf::map $path
1279
1280	Coro::cede;
1281
1282	if ($map) {
1283	$map->last_access ((delete $map->{last_access})
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$map->{instantiate_time} = $cf::RUNTIME
1287	if $map->{instantiate_time} > $cf::RUNTIME;
1288	} else {
1289	if (my $rmp = $path->random_map_params) {
1290	$map = generate_random_map $key, $rmp;
1291	} else {
1292	$map = try_load_header $path->load_path;
1293	}
1294
1295	$map or return;	2106	or return;
1296		2107
1297	$map->{load_original} = 1;
1298	$map->{instantiate_time} = $cf::RUNTIME;
1299	$map->last_access ($cf::RUNTIME);
1300	$map->instantiate;
1301
1302	# per-player maps become, after loading, normal maps
1303	$map->per_player (0) if $path->{user_rel};
1304	}
1305
1306	$map->path ($key);
1307	$map->{path} = $path;
1308	$map->{last_save} = $cf::RUNTIME;	2108	$map->{last_save} = $cf::RUNTIME;
1309		2109
1310	Coro::cede;	2110	$map->load_header
		2111	or return;
1311		2112
1312	if ($map->should_reset) {	2113	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2114	# doing this can freeze the server in a sync job, obviously
		2115	#$cf::WAIT_FOR_TICK->wait;
		2116	undef $guard2;
		2117	undef $guard1;
1313	$map->reset;	2118	$map->reset;
1314	undef $guard;
1315	$map = find $path	2119	return find $path;
1316	or return;
1317	}	2120	}
1318		2121
1319	$cf::MAP{$key} = $map	2122	$cf::MAP{$path} = $map
1320	}	2123	}
1321	}	2124	}
		2125
		2126	sub pre_load { }
		2127	#sub post_load { } # XS
1322		2128
1323	sub load {	2129	sub load {
1324	my ($self) = @_;	2130	my ($self) = @_;
1325		2131
		2132	local $self->{deny_reset} = 1; # loading can take a long time
		2133
1326	my $path = $self->{path};	2134	my $path = $self->{path};
		2135
		2136	{
1327	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2137	my $guard = cf::lock_acquire "map_data:$path";
1328		2138
		2139	return unless $self->valid;
1329	return if $self->in_memory != cf::MAP_SWAPPED;	2140	return unless $self->in_memory == cf::MAP_SWAPPED;
1330		2141
1331	$self->in_memory (cf::MAP_LOADING);	2142	$self->in_memory (cf::MAP_LOADING);
1332		2143
1333	$self->alloc;	2144	$self->alloc;
1334	$self->load_objects ($self->{load_path}, 1)	2145
		2146	$self->pre_load;
		2147	cf::cede_to_tick;
		2148
		2149	my $f = new_from_file cf::object::thawer $self->{load_path};
		2150	$f->skip_block;
		2151	$self->_load_objects ($f)
1335	or return;	2152	or return;
1336		2153
1337	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2154	$self->post_load_original
1338	if delete $self->{load_original};	2155	if delete $self->{load_original};
1339		2156
1340	if (my $uniq = $path->uniq_path) {	2157	if (my $uniq = $self->uniq_path) {
1341	utf8::encode $uniq;	2158	utf8::encode $uniq;
1342	if (aio_open $uniq, O_RDONLY, 0) {	2159	unless (aio_stat $uniq) {
		2160	if (my $f = new_from_file cf::object::thawer $uniq) {
1343	$self->clear_unique_items;	2161	$self->clear_unique_items;
1344	$self->load_objects ($uniq, 0);	2162	$self->_load_objects ($f);
		2163	$f->resolve_delayed_derefs;
		2164	}
1345	}	2165	}
1346	}	2166	}
1347		2167
1348	Coro::cede;	2168	$f->resolve_delayed_derefs;
1349		2169
		2170	cf::cede_to_tick;
1350	# now do the right thing for maps	2171	# now do the right thing for maps
1351	$self->link_multipart_objects;	2172	$self->link_multipart_objects;
1352
1353	if ($self->{path}->is_style_map) {
1354	$self->{deny_save} = 1;
1355	$self->{deny_reset} = 1;
1356	} else {
1357	$self->fix_auto_apply;
1358	$self->decay_objects;
1359	$self->update_buttons;
1360	$self->set_darkness_map;
1361	$self->difficulty ($self->estimate_difficulty)	2173	$self->difficulty ($self->estimate_difficulty)
1362	unless $self->difficulty;	2174	unless $self->difficulty;
		2175	cf::cede_to_tick;
		2176
		2177	unless ($self->{deny_activate}) {
		2178	$self->decay_objects;
		2179	$self->fix_auto_apply;
		2180	$self->update_buttons;
		2181	cf::cede_to_tick;
1363	$self->activate;	2182	$self->activate;
1364	}	2183	}
1365		2184
1366	Coro::cede;	2185	$self->{last_save} = $cf::RUNTIME;
		2186	$self->last_access ($cf::RUNTIME);
1367		2187
1368	$self->in_memory (cf::MAP_IN_MEMORY);	2188	$self->in_memory (cf::MAP_ACTIVE);
		2189	}
		2190
		2191	$self->post_load;
		2192
		2193	1
		2194	}
		2195
		2196	# customize the map for a given player, i.e.
		2197	# return the _real_ map. used by e.g. per-player
		2198	# maps to change the path to ~playername/mappath
		2199	sub customise_for {
		2200	my ($self, $ob) = @_;
		2201
		2202	return find "~" . $ob->name . "/" . $self->{path}
		2203	if $self->per_player;
		2204
		2205	# return find "?party/" . $ob->name . "/" . $self->{path}
		2206	# if $self->per_party;
		2207
		2208	$self
		2209	}
		2210
		2211	# find and load all maps in the 3x3 area around a map
		2212	sub load_neighbours {
		2213	my ($map) = @_;
		2214
		2215	my @neigh; # diagonal neighbours
		2216
		2217	for (0 .. 3) {
		2218	my $neigh = $map->tile_path ($_)
		2219	or next;
		2220	$neigh = find $neigh, $map
		2221	or next;
		2222	$neigh->load;
		2223
		2224	# now find the diagonal neighbours
		2225	push @neigh,
		2226	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2227	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2228	}
		2229
		2230	for (grep defined $_->[0], @neigh) {
		2231	my ($path, $origin) = @$_;
		2232	my $neigh = find $path, $origin
		2233	or next;
		2234	$neigh->load;
		2235	}
1369	}	2236	}
1370		2237
1371	sub find_sync {	2238	sub find_sync {
1372	my ($path, $origin) = @_;	2239	my ($path, $origin) = @_;
1373		2240
1374	cf::sync_job { cf::map::find $path, $origin }	2241	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2242	if $Coro::current == $Coro::main;
		2243
		2244	find $path, $origin
1375	}	2245	}
1376		2246
1377	sub do_load_sync {	2247	sub do_load_sync {
1378	my ($map) = @_;	2248	my ($map) = @_;
1379		2249
1380	cf::sync_job { $map->load };	2250	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2251	if $Coro::current == $Coro::main;
		2252
		2253	$map->load;
		2254	}
		2255
		2256	our %MAP_PREFETCH;
		2257	our $MAP_PREFETCHER = undef;
		2258
		2259	sub find_async {
		2260	my ($path, $origin, $load) = @_;
		2261
		2262	$path = normalise $path, $origin && $origin->{path};
		2263
		2264	if (my $map = $cf::MAP{$path}) {
		2265	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2266	}
		2267
		2268	$MAP_PREFETCH{$path} |= $load;
		2269
		2270	$MAP_PREFETCHER ||= cf::async {
		2271	$Coro::current->{desc} = "map prefetcher";
		2272
		2273	while (%MAP_PREFETCH) {
		2274	while (my ($k, $v) = each %MAP_PREFETCH) {
		2275	if (my $map = find $k) {
		2276	$map->load if $v;
		2277	}
		2278
		2279	delete $MAP_PREFETCH{$k};
		2280	}
		2281	}
		2282	undef $MAP_PREFETCHER;
		2283	};
		2284	$MAP_PREFETCHER->prio (6);
		2285
		2286	()
		2287	}
		2288
		2289	# common code, used by both ->save and ->swapout
		2290	sub _save {
		2291	my ($self) = @_;
		2292
		2293	$self->{last_save} = $cf::RUNTIME;
		2294
		2295	return unless $self->dirty;
		2296
		2297	my $save = $self->save_path; utf8::encode $save;
		2298	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2299
		2300	$self->{load_path} = $save;
		2301
		2302	return if $self->{deny_save};
		2303
		2304	local $self->{last_access} = $self->last_access;#d#
		2305
		2306	cf::async {
		2307	$Coro::current->{desc} = "map player save";
		2308	$_->contr->save for $self->players;
		2309	};
		2310
		2311	cf::get_slot 0.02;
		2312
		2313	if ($uniq) {
		2314	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2315	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2316	} else {
		2317	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2318	}
1381	}	2319	}
1382		2320
1383	sub save {	2321	sub save {
1384	my ($self) = @_;	2322	my ($self) = @_;
1385		2323
1386	my $lock = cf::lock_acquire "map_data:" . $self->path;	2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
1387		2325
1388	$self->{last_save} = $cf::RUNTIME;	2326	$self->_save;
1389
1390	return unless $self->dirty;
1391
1392	my $save = $self->{path}->save_path; utf8::encode $save;
1393	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1394
1395	$self->{load_path} = $save;
1396
1397	return if $self->{deny_save};
1398
1399	local $self->{last_access} = $self->last_access;#d#
1400
1401	cf::async {
1402	$_->contr->save for $self->players;
1403	};
1404
1405	if ($uniq) {
1406	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407	$self->save_objects ($uniq, cf::IO_UNIQUES);
1408	} else {
1409	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410	}
1411	}	2327	}
1412		2328
1413	sub swap_out {	2329	sub swap_out {
1414	my ($self) = @_;	2330	my ($self) = @_;
1415		2331
1416	# save first because save cedes
1417	$self->save;
1418
1419	my $lock = cf::lock_acquire "map_data:" . $self->path;	2332	my $lock = cf::lock_acquire "map_data:$self->{path}";
1420		2333
		2334	return if $self->in_memory != cf::MAP_ACTIVE;
		2335	return if $self->{deny_save};
1421	return if $self->players;	2336	return if $self->players;
1422	return if $self->in_memory != cf::MAP_IN_MEMORY;
1423	return if $self->{deny_save};
1424		2337
		2338	# first deactivate the map and "unlink" it from the core
		2339	$self->deactivate;
		2340	$_->clear_links_to ($self) for values %cf::MAP;
		2341	$self->in_memory (cf::MAP_SWAPPED);
		2342
		2343	# then atomically save
		2344	$self->_save;
		2345
		2346	# then free the map
1425	$self->clear;	2347	$self->clear;
1426	$self->in_memory (cf::MAP_SWAPPED);
1427	}	2348	}
1428		2349
1429	sub reset_at {	2350	sub reset_at {
1430	my ($self) = @_;	2351	my ($self) = @_;
1431		2352
1432	# TODO: safety, remove and allow resettable per-player maps	2353	# TODO: safety, remove and allow resettable per-player maps
1433	return 1e99 if $self->{path}{user_rel};
1434	return 1e99 if $self->{deny_reset};	2354	return 1e99 if $self->{deny_reset};
1435		2355
1436	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2356	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2357	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438		2358
…		…
1443	my ($self) = @_;	2363	my ($self) = @_;
1444		2364
1445	$self->reset_at <= $cf::RUNTIME	2365	$self->reset_at <= $cf::RUNTIME
1446	}	2366	}
1447		2367
1448	sub unlink_save {
1449	my ($self) = @_;
1450
1451	utf8::encode (my $save = $self->{path}->save_path);
1452	aioreq_pri 3; IO::AIO::aio_unlink $save;
1453	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454	}
1455
1456	sub rename {
1457	my ($self, $new_path) = @_;
1458
1459	$self->unlink_save;
1460
1461	delete $cf::MAP{$self->path};
1462	$self->{path} = new cf::path $new_path;
1463	$self->path ($self->{path}->as_string);
1464	$cf::MAP{$self->path} = $self;
1465
1466	$self->save;
1467	}
1468
1469	sub reset {	2368	sub reset {
1470	my ($self) = @_;	2369	my ($self) = @_;
1471		2370
1472	my $lock = cf::lock_acquire "map_data:" . $self->path;	2371	my $lock = cf::lock_acquire "map_data:$self->{path}";
1473		2372
1474	return if $self->players;	2373	return if $self->players;
1475	return if $self->{path}{user_rel};#d#
1476		2374
1477	warn "resetting map ", $self->path;#d#	2375	cf::trace "resetting map ", $self->path, "\n";
		2376
		2377	$self->in_memory (cf::MAP_SWAPPED);
		2378
		2379	# need to save uniques path
		2380	unless ($self->{deny_save}) {
		2381	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2382
		2383	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2384	if $uniq;
		2385	}
1478		2386
1479	delete $cf::MAP{$self->path};	2387	delete $cf::MAP{$self->path};
1480		2388
		2389	$self->deactivate;
1481	$_->clear_links_to ($self) for values %cf::MAP;	2390	$_->clear_links_to ($self) for values %cf::MAP;
		2391	$self->clear;
1482		2392
1483	$self->unlink_save;	2393	$self->unlink_save;
1484	$self->destroy;	2394	$self->destroy;
1485	}	2395	}
1486		2396
1487	my $nuke_counter = "aaaa";	2397	my $nuke_counter = "aaaa";
1488		2398
1489	sub nuke {	2399	sub nuke {
1490	my ($self) = @_;	2400	my ($self) = @_;
1491		2401
		2402	{
		2403	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2404
		2405	delete $cf::MAP{$self->path};
		2406
		2407	$self->unlink_save;
		2408
		2409	bless $self, "cf::map::wrap";
		2410	delete $self->{deny_reset};
1492	$self->{deny_save} = 1;	2411	$self->{deny_save} = 1;
1493	$self->reset_timeout (1);	2412	$self->reset_timeout (1);
1494	$self->rename ("{nuke}/" . ($nuke_counter++));	2413	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2414
		2415	$cf::MAP{$self->path} = $self;
		2416	}
		2417
1495	$self->reset; # polite request, might not happen	2418	$self->reset; # polite request, might not happen
1496	}	2419	}
1497		2420
1498	sub customise_for {	2421	=item $maps = cf::map::tmp_maps
1499	my ($map, $ob) = @_;
1500		2422
1501	if ($map->per_player) {	2423	Returns an arrayref with all map paths of currently instantiated and saved
1502	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2424	maps. May block.
		2425
		2426	=cut
		2427
		2428	sub tmp_maps() {
1503	}	2429	[
1504		2430	map {
1505	$map	2431	utf8::decode $_;
		2432	/\.map$/
		2433	? normalise $_
		2434	: ()
		2435	} @{ aio_readdir $TMPDIR or [] }
		2436	]
1506	}	2437	}
1507		2438
1508	sub emergency_save {	2439	=item $maps = cf::map::random_maps
1509	my $freeze_guard = cf::freeze_mainloop;
1510		2440
1511	warn "enter emergency perl save\n";	2441	Returns an arrayref with all map paths of currently instantiated and saved
		2442	random maps. May block.
1512		2443
1513	cf::sync_job {	2444	=cut
1514	warn "begin emergency player save\n";
1515	$_->save for values %cf::PLAYER;
1516	warn "end emergency player save\n";
1517		2445
1518	warn "begin emergency map save\n";	2446	sub random_maps() {
1519	$_->save for values %cf::MAP;	2447	[
1520	warn "end emergency map save\n";	2448	map {
		2449	utf8::decode $_;
		2450	/\.map$/
		2451	? normalise "?random/$_"
		2452	: ()
		2453	} @{ aio_readdir $RANDOMDIR or [] }
		2454	]
		2455	}
		2456
		2457	=item cf::map::unique_maps
		2458
		2459	Returns an arrayref of paths of all shared maps that have
		2460	instantiated unique items. May block.
		2461
		2462	=cut
		2463
		2464	sub unique_maps() {
		2465	[
		2466	map {
		2467	utf8::decode $_;
		2468	s/\.map$//; # TODO future compatibility hack
		2469	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2470	? ()
		2471	: normalise $_
		2472	} @{ aio_readdir $UNIQUEDIR or [] }
		2473	]
		2474	}
		2475
		2476	=item cf::map::static_maps
		2477
		2478	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2479	file in the shared directory excluding F</styles> and F</editor>). May
		2480	block.
		2481
		2482	=cut
		2483
		2484	sub static_maps() {
		2485	my @dirs = "";
		2486	my @maps;
		2487
		2488	while (@dirs) {
		2489	my $dir = shift @dirs;
		2490
		2491	next if $dir eq "/styles" || $dir eq "/editor";
		2492
		2493	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2494	or return;
		2495
		2496	for (@$files) {
		2497	s/\.map$// or next;
		2498	utf8::decode $_;
		2499	push @maps, "$dir/$_";
		2500	}
		2501
		2502	push @dirs, map "$dir/$_", @$dirs;
1521	};	2503	}
1522		2504
1523	warn "leave emergency perl save\n";	2505	\@maps
		2506	}
		2507
		2508	=back
		2509
		2510	=head3 cf::object
		2511
		2512	=cut
		2513
		2514	package cf::object;
		2515
		2516	=over 4
		2517
		2518	=item $ob->inv_recursive
		2519
		2520	Returns the inventory of the object I<and> their inventories, recursively,
		2521	but I<not> the object itself.
		2522
		2523	=cut
		2524
		2525	sub inv_recursive_;
		2526	sub inv_recursive_ {
		2527	map { $_, inv_recursive_ $_->inv } @_
		2528	}
		2529
		2530	sub inv_recursive {
		2531	inv_recursive_ inv $_[0]
		2532	}
		2533
		2534	=item $ref = $ob->ref
		2535
		2536	Creates and returns a persistent reference to an object that can be stored as a string.
		2537
		2538	=item $ob = cf::object::deref ($refstring)
		2539
		2540	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2541	even if the object actually exists. May block.
		2542
		2543	=cut
		2544
		2545	sub deref {
		2546	my ($ref) = @_;
		2547
		2548	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2549	my ($uuid, $name) = ($1, $2);
		2550	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2551	or return;
		2552	$pl->ob->uuid eq $uuid
		2553	or return;
		2554
		2555	$pl->ob
		2556	} else {
		2557	warn "$ref: cannot resolve object reference\n";
		2558	undef
		2559	}
1524	}	2560	}
1525		2561
1526	package cf;	2562	package cf;
1527		2563
1528	=back	2564	=back
1529
1530		2565
1531	=head3 cf::object::player	2566	=head3 cf::object::player
1532		2567
1533	=over 4	2568	=over 4
1534		2569
…		…
1537	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2572	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1538	can be C<undef>. Does the right thing when the player is currently in a	2573	can be C<undef>. Does the right thing when the player is currently in a
1539	dialogue with the given NPC character.	2574	dialogue with the given NPC character.
1540		2575
1541	=cut	2576	=cut
		2577
		2578	our $SAY_CHANNEL = {
		2579	id => "say",
		2580	title => "Map",
		2581	reply => "say ",
		2582	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2583	};
		2584
		2585	our $CHAT_CHANNEL = {
		2586	id => "chat",
		2587	title => "Chat",
		2588	reply => "chat ",
		2589	tooltip => "Player chat and shouts, global to the server.",
		2590	};
1542		2591
1543	# rough implementation of a future "reply" method that works	2592	# rough implementation of a future "reply" method that works
1544	# with dialog boxes.	2593	# with dialog boxes.
1545	#TODO: the first argument must go, split into a $npc->reply_to ( method	2594	#TODO: the first argument must go, split into a $npc->reply_to ( method
1546	sub cf::object::player::reply($$$;$) {	2595	sub cf::object::player::reply($$$;$) {
…		…
1548		2597
1549	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2598	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1550		2599
1551	if ($self->{record_replies}) {	2600	if ($self->{record_replies}) {
1552	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2601	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2602
1553	} else {	2603	} else {
		2604	my $pl = $self->contr;
		2605
		2606	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2607	my $dialog = $pl->{npc_dialog};
		2608	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2609
		2610	} else {
1554	$msg = $npc->name . " says: $msg" if $npc;	2611	$msg = $npc->name . " says: $msg" if $npc;
1555	$self->message ($msg, $flags);	2612	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2613	}
1556	}	2614	}
		2615	}
		2616
		2617	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	=cut
		2620
		2621	sub cf::object::send_msg {
		2622	my $pl = shift->contr
		2623	or return;
		2624	$pl->send_msg (@_);
1557	}	2625	}
1558		2626
1559	=item $player_object->may ("access")	2627	=item $player_object->may ("access")
1560		2628
1561	Returns wether the given player is authorized to access resource "access"	2629	Returns wether the given player is authorized to access resource "access"
…		…
1574		2642
1575	=item $player_object->enter_link	2643	=item $player_object->enter_link
1576		2644
1577	Freezes the player and moves him/her to a special map (C<{link}>).	2645	Freezes the player and moves him/her to a special map (C<{link}>).
1578		2646
1579	The player should be reaosnably safe there for short amounts of time. You	2647	The player should be reasonably safe there for short amounts of time (e.g.
1580	I<MUST> call C<leave_link> as soon as possible, though.	2648	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2649	though, as the player cannot control the character while it is on the link
		2650	map.
		2651
		2652	Will never block.
1581		2653
1582	=item $player_object->leave_link ($map, $x, $y)	2654	=item $player_object->leave_link ($map, $x, $y)
1583		2655
1584	Moves the player out of the specila link map onto the given map. If the	2656	Moves the player out of the special C<{link}> map onto the specified
1585	map is not valid (or omitted), the player will be moved back to the	2657	map. If the map is not valid (or omitted), the player will be moved back
1586	location he/she was before the call to C<enter_link>, or, if that fails,	2658	to the location he/she was before the call to C<enter_link>, or, if that
1587	to the emergency map position.	2659	fails, to the emergency map position.
1588		2660
1589	Might block.	2661	Might block.
1590		2662
1591	=cut	2663	=cut
		2664
		2665	sub link_map {
		2666	unless ($LINK_MAP) {
		2667	$LINK_MAP = cf::map::find "{link}"
		2668	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2669	$LINK_MAP->load;
		2670	}
		2671
		2672	$LINK_MAP
		2673	}
1592		2674
1593	sub cf::object::player::enter_link {	2675	sub cf::object::player::enter_link {
1594	my ($self) = @_;	2676	my ($self) = @_;
1595		2677
1596	$self->deactivate_recursive;	2678	$self->deactivate_recursive;
1597		2679
1598	return if $self->map == $LINK_MAP;	2680	++$self->{_link_recursion};
		2681
		2682	return if UNIVERSAL::isa $self->map, "ext::map_link";
1599		2683
1600	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2684	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601	if $self->map;	2685	if $self->map && $self->map->{path} ne "{link}";
1602		2686
1603	$self->enter_map ($LINK_MAP, 20, 20);	2687	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1604	}	2688	}
1605		2689
1606	sub cf::object::player::leave_link {	2690	sub cf::object::player::leave_link {
1607	my ($self, $map, $x, $y) = @_;	2691	my ($self, $map, $x, $y) = @_;
		2692
		2693	return unless $self->contr->active;
1608		2694
1609	my $link_pos = delete $self->{_link_pos};	2695	my $link_pos = delete $self->{_link_pos};
1610		2696
1611	unless ($map) {	2697	unless ($map) {
1612	# restore original map position	2698	# restore original map position
…		…
1623	($x, $y) = (-1, -1)	2709	($x, $y) = (-1, -1)
1624	unless (defined $x) && (defined $y);	2710	unless (defined $x) && (defined $y);
1625		2711
1626	# use -1 or undef as default coordinates, not 0, 0	2712	# use -1 or undef as default coordinates, not 0, 0
1627	($x, $y) = ($map->enter_x, $map->enter_y)	2713	($x, $y) = ($map->enter_x, $map->enter_y)
1628	if $x <=0 && $y <= 0;	2714	if $x <= 0 && $y <= 0;
1629		2715
1630	$map->load;	2716	$map->load;
		2717	$map->load_neighbours;
1631		2718
1632	return unless $self->contr->active;	2719	return unless $self->contr->active;
		2720
		2721	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2722	if ($self->enter_map ($map, $x, $y)) {
		2723	# entering was successful
		2724	delete $self->{_link_recursion};
		2725	# only activate afterwards, to support waiting in hooks
1633	$self->activate_recursive;	2726	$self->activate_recursive;
1634	$self->enter_map ($map, $x, $y);
1635	}
1636
1637	cf::player->attach (
1638	on_logout => sub {
1639	my ($pl) = @_;
1640
1641	# abort map switching before logout
1642	if ($pl->ob->{_link_pos}) {
1643	cf::sync_job {
1644	$pl->ob->leave_link
1645	};
1646	}
1647	},	2727	}
1648	on_login => sub {
1649	my ($pl) = @_;
1650		2728
1651	# try to abort aborted map switching on player login :)	2729	}
1652	# should happen only on crashes
1653	if ($pl->ob->{_link_pos}) {
1654	$pl->ob->enter_link;
1655	(async {
1656	# we need this sleep as the login has a concurrent enter_exit running
1657	# and this sleep increases chances of the player not ending up in scorn
1658	$pl->ob->reply (undef,
1659	"There was an internal problem at your last logout, "
1660	. "the server will try to bring you to your intended destination in a second.",
1661	cf::NDI_RED);
1662	Coro::Timer::sleep 1;
1663	$pl->ob->leave_link;
1664	})->prio (2);
1665	}
1666	},
1667	);
1668		2730
1669	=item $player_object->goto ($path, $x, $y)	2731	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1670		2732
		2733	Moves the player to the given map-path and coordinates by first freezing
		2734	her, loading and preparing them map, calling the provided $check callback
		2735	that has to return the map if sucecssful, and then unfreezes the player on
		2736	the new (success) or old (failed) map position. In either case, $done will
		2737	be called at the end of this process.
		2738
		2739	Note that $check will be called with a potentially non-loaded map, so if
		2740	it needs a loaded map it has to call C<< ->load >>.
		2741
1671	=cut	2742	=cut
		2743
		2744	our $GOTOGEN;
1672		2745
1673	sub cf::object::player::goto {	2746	sub cf::object::player::goto {
1674	my ($self, $path, $x, $y) = @_;	2747	my ($self, $path, $x, $y, $check, $done) = @_;
		2748
		2749	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2750	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2751	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2752	($path, $x, $y) = @$EMERGENCY_POSITION;
		2753	}
		2754
		2755	# do generation counting so two concurrent goto's will be executed in-order
		2756	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1675		2757
1676	$self->enter_link;	2758	$self->enter_link;
1677		2759
1678	(async {	2760	(async {
1679	$path = new cf::path $path;	2761	$Coro::current->{desc} = "player::goto $path $x $y";
1680		2762
1681	my $map = cf::map::find $path->as_string;	2763	# *tag paths override both path and x|y
		2764	if ($path =~ /^\*(.*)$/) {
		2765	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2766	my $ob = $obs[rand @obs];
		2767
		2768	# see if we actually can go there
		2769	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2770	$ob = $obs[rand @obs];
		2771	} else {
		2772	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2773	}
		2774	# else put us there anyways for now #d#
		2775
		2776	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2777	} else {
		2778	($path, $x, $y) = (undef, undef, undef);
		2779	}
		2780	}
		2781
		2782	my $map = eval {
		2783	my $map = defined $path ? cf::map::find $path : undef;
		2784
		2785	if ($map) {
1682	$map = $map->customise_for ($self) if $map;	2786	$map = $map->customise_for ($self);
1683		2787	$map = $check->($map, $x, $y, $self) if $check && $map;
1684	# warn "entering ", $map->path, " at ($x, $y)\n"	2788	} else {
1685	# if $map;
1686
1687	$map or $map->cluck ("oy");#d#
1688	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2789	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2790	}
1689		2791
		2792	$map
		2793	};
		2794
		2795	if ($@) {
		2796	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2797	LOG llevError | logBacktrace, Carp::longmess $@;
		2798	}
		2799
		2800	if ($gen == $self->{_goto_generation}) {
		2801	delete $self->{_goto_generation};
1690	$self->leave_link ($map, $x, $y);	2802	$self->leave_link ($map, $x, $y);
		2803	}
		2804
		2805	$done->($self) if $done;
1691	})->prio (1);	2806	})->prio (1);
1692	}	2807	}
1693		2808
1694	=item $player_object->enter_exit ($exit_object)	2809	=item $player_object->enter_exit ($exit_object)
1695		2810
…		…
1697		2812
1698	sub parse_random_map_params {	2813	sub parse_random_map_params {
1699	my ($spec) = @_;	2814	my ($spec) = @_;
1700		2815
1701	my $rmp = { # defaults	2816	my $rmp = { # defaults
1702	xsize => 10,	2817	xsize => (cf::rndm 15, 40),
1703	ysize => 10,	2818	ysize => (cf::rndm 15, 40),
		2819	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2820	#layout => string,
1704	};	2821	};
1705		2822
1706	for (split /\n/, $spec) {	2823	for (split /\n/, $spec) {
1707	my ($k, $v) = split /\s+/, $_, 2;	2824	my ($k, $v) = split /\s+/, $_, 2;
1708		2825
…		…
1720	# that depends on the exit object	2837	# that depends on the exit object
1721		2838
1722	my $rmp = parse_random_map_params $exit->msg;	2839	my $rmp = parse_random_map_params $exit->msg;
1723		2840
1724	if ($exit->map) {	2841	if ($exit->map) {
1725	$rmp->{region} = $exit->map->region_name;	2842	$rmp->{region} = $exit->region->name;
1726	$rmp->{origin_map} = $exit->map->path;	2843	$rmp->{origin_map} = $exit->map->path;
1727	$rmp->{origin_x} = $exit->x;	2844	$rmp->{origin_x} = $exit->x;
1728	$rmp->{origin_y} = $exit->y;	2845	$rmp->{origin_y} = $exit->y;
		2846
		2847	$exit->map->touch;
1729	}	2848	}
1730		2849
1731	$rmp->{random_seed} ||= $exit->random_seed;	2850	$rmp->{random_seed} ||= $exit->random_seed;
1732		2851
1733	my $data = cf::to_json $rmp;	2852	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1734	my $md5 = Digest::MD5::md5_hex $data;	2853	my $md5 = Digest::MD5::md5_hex $data;
		2854	my $meta = "$RANDOMDIR/$md5.meta";
1735		2855
1736	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2856	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737	aio_write $fh, 0, (length $data), $data, 0;	2857	aio_write $fh, 0, (length $data), $data, 0;
		2858	undef $fh;
		2859	aio_rename "$meta~", $meta;
1738		2860
		2861	my $slaying = "?random/$md5";
		2862
		2863	if ($exit->valid) {
1739	$exit->slaying ("?random/$md5");	2864	$exit->slaying ("?random/$md5");
1740	$exit->msg (undef);	2865	$exit->msg (undef);
		2866	}
1741	}	2867	}
1742	}	2868	}
1743		2869
1744	sub cf::object::player::enter_exit {	2870	sub cf::object::player::enter_exit {
1745	my ($self, $exit) = @_;	2871	my ($self, $exit) = @_;
…		…
1747	return unless $self->type == cf::PLAYER;	2873	return unless $self->type == cf::PLAYER;
1748		2874
1749	$self->enter_link;	2875	$self->enter_link;
1750		2876
1751	(async {	2877	(async {
1752	$self->deactivate_recursive; # just to be sure	2878	$Coro::current->{desc} = "enter_exit";
		2879
1753	unless (eval {	2880	unless (eval {
		2881	$self->deactivate_recursive; # just to be sure
		2882
		2883	# random map handling
		2884	{
		2885	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2886
1754	prepare_random_map $exit	2887	prepare_random_map $exit
1755	if $exit->slaying eq "/!";	2888	if $exit->slaying eq "/!";
		2889	}
1756		2890
1757	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2891	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1758	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2892	my $x = $exit->stats->hp;
		2893	my $y = $exit->stats->sp;
1759		2894
		2895	$self->goto ($map, $x, $y);
		2896
		2897	# if exit is damned, update players death & WoR home-position
		2898	$self->contr->savebed ($map, $x, $y)
		2899	if $exit->flag (cf::FLAG_DAMNED);
		2900
1760	1;	2901	1
1761	}) {	2902	}) {
1762	$self->message ("Something went wrong deep within the crossfire server. "	2903	$self->message ("Something went wrong deep within the deliantra server. "
1763	. "I'll try to bring you back to the map you were before. "	2904	. "I'll try to bring you back to the map you were before. "
1764	. "Please report this to the dungeon master",	2905	. "Please report this to the dungeon master!",
1765	cf::NDI_UNIQUE | cf::NDI_RED);	2906	cf::NDI_UNIQUE | cf::NDI_RED);
1766		2907
1767	warn "ERROR in enter_exit: $@";	2908	error "ERROR in enter_exit: $@";
1768	$self->leave_link;	2909	$self->leave_link;
1769	}	2910	}
1770	})->prio (1);	2911	})->prio (1);
1771	}	2912	}
1772		2913
…		…
1783		2924
1784	sub cf::client::send_drawinfo {	2925	sub cf::client::send_drawinfo {
1785	my ($self, $text, $flags) = @_;	2926	my ($self, $text, $flags) = @_;
1786		2927
1787	utf8::encode $text;	2928	utf8::encode $text;
1788	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2929	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1789	}	2930	}
1790		2931
		2932	=item $client->send_big_packet ($pkt)
		2933
		2934	Like C<send_packet>, but tries to compress large packets, and fragments
		2935	them as required.
		2936
		2937	=cut
		2938
		2939	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2940
		2941	sub cf::client::send_big_packet {
		2942	my ($self, $pkt) = @_;
		2943
		2944	# try lzf for large packets
		2945	$pkt = "lzf " . Compress::LZF::compress $pkt
		2946	if 1024 <= length $pkt and $self->{can_lzf};
		2947
		2948	# split very large packets
		2949	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2950	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2951	$pkt = "frag";
		2952	}
		2953
		2954	$self->send_packet ($pkt);
		2955	}
		2956
		2957	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2958
		2959	Send a drawinfo or msg packet to the client, formatting the msg for the
		2960	client if neccessary. C<$type> should be a string identifying the type of
		2961	the message, with C<log> being the default. If C<$color> is negative, suppress
		2962	the message unless the client supports the msg packet.
		2963
		2964	=cut
		2965
		2966	# non-persistent channels (usually the info channel)
		2967	our %CHANNEL = (
		2968	"c/motd" => {
		2969	id => "infobox",
		2970	title => "MOTD",
		2971	reply => undef,
		2972	tooltip => "The message of the day",
		2973	},
		2974	"c/identify" => {
		2975	id => "infobox",
		2976	title => "Identify",
		2977	reply => undef,
		2978	tooltip => "Items recently identified",
		2979	},
		2980	"c/examine" => {
		2981	id => "infobox",
		2982	title => "Examine",
		2983	reply => undef,
		2984	tooltip => "Signs and other items you examined",
		2985	},
		2986	"c/shopinfo" => {
		2987	id => "infobox",
		2988	title => "Shop Info",
		2989	reply => undef,
		2990	tooltip => "What your bargaining skill tells you about the shop",
		2991	},
		2992	"c/book" => {
		2993	id => "infobox",
		2994	title => "Book",
		2995	reply => undef,
		2996	tooltip => "The contents of a note or book",
		2997	},
		2998	"c/lookat" => {
		2999	id => "infobox",
		3000	title => "Look",
		3001	reply => undef,
		3002	tooltip => "What you saw there",
		3003	},
		3004	"c/who" => {
		3005	id => "infobox",
		3006	title => "Players",
		3007	reply => undef,
		3008	tooltip => "Shows players who are currently online",
		3009	},
		3010	"c/body" => {
		3011	id => "infobox",
		3012	title => "Body Parts",
		3013	reply => undef,
		3014	tooltip => "Shows which body parts you posess and are available",
		3015	},
		3016	"c/statistics" => {
		3017	id => "infobox",
		3018	title => "Statistics",
		3019	reply => undef,
		3020	tooltip => "Shows your primary statistics",
		3021	},
		3022	"c/skills" => {
		3023	id => "infobox",
		3024	title => "Skills",
		3025	reply => undef,
		3026	tooltip => "Shows your experience per skill and item power",
		3027	},
		3028	"c/shopitems" => {
		3029	id => "infobox",
		3030	title => "Shop Items",
		3031	reply => undef,
		3032	tooltip => "Shows the items currently for sale in this shop",
		3033	},
		3034	"c/resistances" => {
		3035	id => "infobox",
		3036	title => "Resistances",
		3037	reply => undef,
		3038	tooltip => "Shows your resistances",
		3039	},
		3040	"c/pets" => {
		3041	id => "infobox",
		3042	title => "Pets",
		3043	reply => undef,
		3044	tooltip => "Shows information abotu your pets/a specific pet",
		3045	},
		3046	"c/perceiveself" => {
		3047	id => "infobox",
		3048	title => "Perceive Self",
		3049	reply => undef,
		3050	tooltip => "You gained detailed knowledge about yourself",
		3051	},
		3052	"c/uptime" => {
		3053	id => "infobox",
		3054	title => "Uptime",
		3055	reply => undef,
		3056	tooltip => "How long the server has been running since last restart",
		3057	},
		3058	"c/mapinfo" => {
		3059	id => "infobox",
		3060	title => "Map Info",
		3061	reply => undef,
		3062	tooltip => "Information related to the maps",
		3063	},
		3064	"c/party" => {
		3065	id => "party",
		3066	title => "Party",
		3067	reply => "gsay ",
		3068	tooltip => "Messages and chat related to your party",
		3069	},
		3070	"c/death" => {
		3071	id => "death",
		3072	title => "Death",
		3073	reply => undef,
		3074	tooltip => "Reason for and more info about your most recent death",
		3075	},
		3076	"c/say" => $SAY_CHANNEL,
		3077	"c/chat" => $CHAT_CHANNEL,
		3078	);
		3079
		3080	sub cf::client::send_msg {
		3081	my ($self, $channel, $msg, $color, @extra) = @_;
		3082
		3083	$msg = $self->pl->expand_cfpod ($msg)
		3084	unless $color & cf::NDI_VERBATIM;
		3085
		3086	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3087
		3088	# check predefined channels, for the benefit of C
		3089	if ($CHANNEL{$channel}) {
		3090	$channel = $CHANNEL{$channel};
		3091
		3092	$self->ext_msg (channel_info => $channel);
		3093	$channel = $channel->{id};
		3094
		3095	} elsif (ref $channel) {
		3096	# send meta info to client, if not yet sent
		3097	unless (exists $self->{channel}{$channel->{id}}) {
		3098	$self->{channel}{$channel->{id}} = $channel;
		3099	$self->ext_msg (channel_info => $channel);
		3100	}
		3101
		3102	$channel = $channel->{id};
		3103	}
		3104
		3105	return unless @extra || length $msg;
		3106
		3107	# default colour, mask it out
		3108	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3109	if $color & cf::NDI_DEF;
		3110
		3111	my $pkt = "msg "
		3112	. $self->{json_coder}->encode (
		3113	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3114	);
		3115
		3116	$self->send_big_packet ($pkt);
		3117	}
		3118
		3119	=item $client->ext_msg ($type, @msg)
		3120
		3121	Sends an ext event to the client.
		3122
		3123	=cut
		3124
		3125	sub cf::client::ext_msg($$@) {
		3126	my ($self, $type, @msg) = @_;
		3127
		3128	if ($self->extcmd == 2) {
		3129	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3130	} elsif ($self->extcmd == 1) { # TODO: remove
		3131	push @msg, msgtype => "event_$type";
		3132	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3133	}
		3134	}
		3135
		3136	=item $client->ext_reply ($msgid, @msg)
		3137
		3138	Sends an ext reply to the client.
		3139
		3140	=cut
		3141
		3142	sub cf::client::ext_reply($$@) {
		3143	my ($self, $id, @msg) = @_;
		3144
		3145	if ($self->extcmd == 2) {
		3146	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3147	} elsif ($self->extcmd == 1) {
		3148	#TODO: version 1, remove
		3149	unshift @msg, msgtype => "reply", msgid => $id;
		3150	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3151	}
		3152	}
1791		3153
1792	=item $success = $client->query ($flags, "text", \&cb)	3154	=item $success = $client->query ($flags, "text", \&cb)
1793		3155
1794	Queues a query to the client, calling the given callback with	3156	Queues a query to the client, calling the given callback with
1795	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3157	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1796	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3158	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1797		3159
1798	Queries can fail, so check the return code. Or don't, as queries will become	3160	Queries can fail, so check the return code. Or don't, as queries will
1799	reliable at some point in the future.	3161	become reliable at some point in the future.
1800		3162
1801	=cut	3163	=cut
1802		3164
1803	sub cf::client::query {	3165	sub cf::client::query {
1804	my ($self, $flags, $text, $cb) = @_;	3166	my ($self, $flags, $text, $cb) = @_;
…		…
1812	utf8::encode $text;	3174	utf8::encode $text;
1813	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3175	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1814		3176
1815	$self->send_packet ($self->{query_queue}[0][0])	3177	$self->send_packet ($self->{query_queue}[0][0])
1816	if @{ $self->{query_queue} } == 1;	3178	if @{ $self->{query_queue} } == 1;
		3179
		3180	1
1817	}	3181	}
1818		3182
1819	cf::client->attach (	3183	cf::client->attach (
		3184	on_connect => sub {
		3185	my ($ns) = @_;
		3186
		3187	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3188	},
1820	on_reply => sub {	3189	on_reply => sub {
1821	my ($ns, $msg) = @_;	3190	my ($ns, $msg) = @_;
1822		3191
1823	# this weird shuffling is so that direct followup queries	3192	# this weird shuffling is so that direct followup queries
1824	# get handled first	3193	# get handled first
1825	my $queue = delete $ns->{query_queue}	3194	my $queue = delete $ns->{query_queue}
1826	or return; # be conservative, not sure how that can happen, but we saw a crash here	3195	or return; # be conservative, not sure how that can happen, but we saw a crash here
1827		3196
1828	(shift @$queue)->[1]->($msg);	3197	(shift @$queue)->[1]->($msg);
		3198	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1829		3199
1830	push @{ $ns->{query_queue} }, @$queue;	3200	push @{ $ns->{query_queue} }, @$queue;
1831		3201
1832	if (@{ $ns->{query_queue} } == @$queue) {	3202	if (@{ $ns->{query_queue} } == @$queue) {
1833	if (@$queue) {	3203	if (@$queue) {
…		…
1835	} else {	3205	} else {
1836	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3206	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1837	}	3207	}
1838	}	3208	}
1839	},	3209	},
		3210	on_exticmd => sub {
		3211	my ($ns, $buf) = @_;
		3212
		3213	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3214
		3215	if (ref $msg) {
		3216	my ($type, $reply, @payload) =
		3217	"ARRAY" eq ref $msg
		3218	? @$msg
		3219	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3220
		3221	my @reply;
		3222
		3223	if (my $cb = $EXTICMD{$type}) {
		3224	@reply = $cb->($ns, @payload);
		3225	}
		3226
		3227	$ns->ext_reply ($reply, @reply)
		3228	if $reply;
		3229
		3230	} else {
		3231	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3232	}
		3233
		3234	cf::override;
		3235	},
1840	);	3236	);
1841		3237
1842	=item $client->async (\&cb)	3238	=item $client->async (\&cb)
1843		3239
1844	Create a new coroutine, running the specified callback. The coroutine will	3240	Create a new coroutine, running the specified callback. The coroutine will
…		…
1860		3256
1861	$coro	3257	$coro
1862	}	3258	}
1863		3259
1864	cf::client->attach (	3260	cf::client->attach (
1865	on_destroy => sub {	3261	on_client_destroy => sub {
1866	my ($ns) = @_;	3262	my ($ns) = @_;
1867		3263
1868	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3264	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1869	},	3265	},
1870	);	3266	);
…		…
1885	our $safe = new Safe "safe";	3281	our $safe = new Safe "safe";
1886	our $safe_hole = new Safe::Hole;	3282	our $safe_hole = new Safe::Hole;
1887		3283
1888	$SIG{FPE} = 'IGNORE';	3284	$SIG{FPE} = 'IGNORE';
1889		3285
1890	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3286	$safe->permit_only (Opcode::opset qw(
		3287	:base_core :base_mem :base_orig :base_math :base_loop
		3288	grepstart grepwhile mapstart mapwhile
		3289	sort time
		3290	));
1891		3291
1892	# here we export the classes and methods available to script code	3292	# here we export the classes and methods available to script code
1893		3293
1894	=pod	3294	=pod
1895		3295
1896	The following fucntions and emthods are available within a safe environment:	3296	The following functions and methods are available within a safe environment:
1897		3297
1898	cf::object contr pay_amount pay_player map	3298	cf::object
		3299	contr pay_amount pay_player map x y force_find force_add destroy
		3300	insert remove name archname title slaying race decrease split
		3301	value
		3302
1899	cf::object::player player	3303	cf::object::player
1900	cf::player peaceful	3304	player
1901	cf::map trigger	3305
		3306	cf::player
		3307	peaceful
		3308
		3309	cf::map
		3310	trigger
1902		3311
1903	=cut	3312	=cut
1904		3313
1905	for (	3314	for (
1906	["cf::object" => qw(contr pay_amount pay_player map)],	3315	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3316	insert remove inv nrof name archname title slaying race
		3317	decrease split destroy change_exp value msg lore send_msg)],
1907	["cf::object::player" => qw(player)],	3318	["cf::object::player" => qw(player)],
1908	["cf::player" => qw(peaceful)],	3319	["cf::player" => qw(peaceful send_msg)],
1909	["cf::map" => qw(trigger)],	3320	["cf::map" => qw(trigger)],
1910	) {	3321	) {
1911	no strict 'refs';
1912	my ($pkg, @funs) = @$_;	3322	my ($pkg, @funs) = @$_;
1913	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3323	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1914	for @funs;	3324	for @funs;
1915	}	3325	}
1916		3326
…		…
1931		3341
1932	my $qcode = $code;	3342	my $qcode = $code;
1933	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3343	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1934	$qcode =~ s/\n/\\n/g;	3344	$qcode =~ s/\n/\\n/g;
1935		3345
		3346	%vars = (_dummy => 0) unless %vars;
		3347
		3348	my @res;
1936	local $_;	3349	local $_;
1937	local @safe::cf::_safe_eval_args = values %vars;
1938		3350
1939	my $eval =	3351	my $eval =
1940	"do {\n"	3352	"do {\n"
1941	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3353	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1942	. "#line 0 \"{$qcode}\"\n"	3354	. "#line 0 \"{$qcode}\"\n"
1943	. $code	3355	. $code
1944	. "\n}"	3356	. "\n}"
1945	;	3357	;
1946		3358
		3359	if ($CFG{safe_eval}) {
1947	sub_generation_inc;	3360	sub_generation_inc;
		3361	local @safe::cf::_safe_eval_args = values %vars;
1948	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3362	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1949	sub_generation_inc;	3363	sub_generation_inc;
		3364	} else {
		3365	local @cf::_safe_eval_args = values %vars;
		3366	@res = wantarray ? eval eval : scalar eval $eval;
		3367	}
1950		3368
1951	if ($@) {	3369	if ($@) {
1952	warn "$@";	3370	warn "$@",
1953	warn "while executing safe code '$code'\n";	3371	"while executing safe code '$code'\n",
1954	warn "with arguments " . (join " ", %vars) . "\n";	3372	"with arguments " . (join " ", %vars) . "\n";
1955	}	3373	}
1956		3374
1957	wantarray ? @res : $res[0]	3375	wantarray ? @res : $res[0]
1958	}	3376	}
1959		3377
…		…
1973	=cut	3391	=cut
1974		3392
1975	sub register_script_function {	3393	sub register_script_function {
1976	my ($fun, $cb) = @_;	3394	my ($fun, $cb) = @_;
1977		3395
1978	no strict 'refs';	3396	$fun = "safe::$fun" if $CFG{safe_eval};
1979	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3397	*$fun = $safe_hole->wrap ($cb);
1980	}	3398	}
1981		3399
1982	=back	3400	=back
1983		3401
1984	=cut	3402	=cut
1985		3403
1986	#############################################################################	3404	#############################################################################
		3405	# the server's init and main functions
1987		3406
1988	=head2 EXTENSION DATABASE SUPPORT	3407	sub load_facedata($) {
		3408	my ($path) = @_;
1989		3409
1990	Crossfire maintains a very simple database for extension use. It can	3410	# HACK to clear player env face cache, we need some signal framework
1991	currently store anything that can be serialised using Storable, which	3411	# for this (global event?)
1992	excludes objects.	3412	%ext::player_env::MUSIC_FACE_CACHE = ();
1993		3413
1994	The parameter C<$family> should best start with the name of the extension	3414	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1995	using it, it should be unique.
1996		3415
1997	=over 4	3416	trace "loading facedata from $path\n";
1998		3417
1999	=item $hashref = cf::db_get $family	3418	0 < aio_load $path, my $facedata
		3419	or die "$path: $!";
2000		3420
2001	Return a hashref for use by the extension C<$family>, which can be	3421	$facedata = Coro::Storable::thaw $facedata;
2002	modified. After modifications, you have to call C<cf::db_dirty> or
2003	C<cf::db_sync>.
2004		3422
2005	=item $value = cf::db_get $family => $key	3423	$facedata->{version} == 2
		3424	or cf::cleanup "$path: version mismatch, cannot proceed.";
2006		3425
2007	Returns a single value from the database	3426	# patch in the exptable
2008		3427	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2009	=item cf::db_put $family => $hashref	3428	$facedata->{resource}{"res/exp_table"} = {
2010		3429	type => FT_RSRC,
2011	Stores the given family hashref into the database. Updates are delayed, if	3430	data => $exp_table,
2012	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3431	hash => (Digest::MD5::md5 $exp_table),
2013
2014	=item cf::db_put $family => $key => $value
2015
2016	Stores the given C<$value> in the family hash. Updates are delayed, if you
2017	want the data to be synced to disk immediately, use C<cf::db_sync>.
2018
2019	=item cf::db_dirty
2020
2021	Marks the database as dirty, to be updated at a later time.
2022
2023	=item cf::db_sync
2024
2025	Immediately write the database to disk I<if it is dirty>.
2026
2027	=cut
2028
2029	our $DB;
2030
2031	{
2032	my $path = cf::localdir . "/database.pst";
2033
2034	sub db_load() {
2035	$DB = stat $path ? Storable::retrieve $path : { };
2036	}
2037
2038	my $pid;
2039
2040	sub db_save() {
2041	waitpid $pid, 0 if $pid;
2042	if (0 == ($pid = fork)) {
2043	$DB->{_meta}{version} = 1;
2044	Storable::nstore $DB, "$path~";
2045	rename "$path~", $path;
2046	cf::_exit 0 if defined $pid;
2047	}
2048	}
2049
2050	my $dirty;
2051
2052	sub db_sync() {
2053	db_save if $dirty;
2054	undef $dirty;
2055	}
2056
2057	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2058	db_sync;
2059	});	3432	};
		3433	cf::cede_to_tick;
2060		3434
2061	sub db_dirty() {
2062	$dirty = 1;
2063	$idle->start;
2064	}	3435	{
		3436	my $faces = $facedata->{faceinfo};
2065		3437
2066	sub db_get($;$) {	3438	while (my ($face, $info) = each %$faces) {
2067	@_ >= 2	3439	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2068	? $DB->{$_[0]}{$_[1]}
2069	: ($DB->{$_[0]} ||= { })
2070	}
2071		3440
2072	sub db_put($$;$) {	3441	cf::face::set_visibility $idx, $info->{visibility};
2073	if (@_ >= 3) {	3442	cf::face::set_magicmap $idx, $info->{magicmap};
2074	$DB->{$_[0]}{$_[1]} = $_[2];	3443	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2075	} else {	3444	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2076	$DB->{$_[0]} = $_[1];
2077	}
2078	db_dirty;
2079	}
2080		3445
2081	cf::global->attach (	3446	cf::cede_to_tick;
2082	prio => 10000,
2083	on_cleanup => sub {
2084	db_sync;
2085	},	3447	}
2086	);
2087	}
2088		3448
2089	#############################################################################	3449	while (my ($face, $info) = each %$faces) {
2090	# the server's main()	3450	next unless $info->{smooth};
2091		3451
2092	sub cfg_load {	3452	my $idx = cf::face::find $face
2093	open my $fh, "<:utf8", cf::confdir . "/config"	3453	or next;
2094	or return;
2095		3454
2096	local $/;	3455	if (my $smooth = cf::face::find $info->{smooth}) {
2097	*CFG = YAML::Syck::Load <$fh>;	3456	cf::face::set_smooth $idx, $smooth;
		3457	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3458	} else {
		3459	error "smooth face '$info->{smooth}' not found for face '$face'";
		3460	}
2098		3461
		3462	cf::cede_to_tick;
		3463	}
		3464	}
		3465
		3466	{
		3467	my $anims = $facedata->{animinfo};
		3468
		3469	while (my ($anim, $info) = each %$anims) {
		3470	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3471	cf::cede_to_tick;
		3472	}
		3473
		3474	cf::anim::invalidate_all; # d'oh
		3475	}
		3476
		3477	{
		3478	my $res = $facedata->{resource};
		3479
		3480	while (my ($name, $info) = each %$res) {
		3481	if (defined $info->{type}) {
		3482	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3483
		3484	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3485	cf::face::set_type $idx, $info->{type};
		3486	} else {
		3487	$RESOURCE{$name} = $info; # unused
		3488	}
		3489
		3490	cf::cede_to_tick;
		3491	}
		3492	}
		3493
		3494	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3495
		3496	1
		3497	}
		3498
		3499	register_exticmd fx_want => sub {
		3500	my ($ns, $want) = @_;
		3501
		3502	while (my ($k, $v) = each %$want) {
		3503	$ns->fx_want ($k, $v);
		3504	}
		3505	};
		3506
		3507	sub load_resource_file($) {
		3508	my $guard = lock_acquire "load_resource_file";
		3509
		3510	my $status = load_resource_file_ $_[0];
		3511	get_slot 0.1, 100;
		3512	cf::arch::commit_load;
		3513
		3514	$status
		3515	}
		3516
		3517	sub reload_regions {
		3518	# HACK to clear player env face cache, we need some signal framework
		3519	# for this (global event?)
		3520	%ext::player_env::MUSIC_FACE_CACHE = ();
		3521
		3522	load_resource_file "$MAPDIR/regions"
		3523	or die "unable to load regions file\n";
		3524
		3525	for (cf::region::list) {
		3526	$_->{match} = qr/$_->{match}/
		3527	if exists $_->{match};
		3528	}
		3529	}
		3530
		3531	sub reload_facedata {
		3532	load_facedata "$DATADIR/facedata"
		3533	or die "unable to load facedata\n";
		3534	}
		3535
		3536	sub reload_archetypes {
		3537	load_resource_file "$DATADIR/archetypes"
		3538	or die "unable to load archetypes\n";
		3539	}
		3540
		3541	sub reload_treasures {
		3542	load_resource_file "$DATADIR/treasures"
		3543	or die "unable to load treasurelists\n";
		3544	}
		3545
		3546	sub reload_sound {
		3547	trace "loading sound config from $DATADIR/sound\n";
		3548
		3549	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3550	or die "$DATADIR/sound $!";
		3551
		3552	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3553
		3554	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3555	my $sound = $soundconf->{compat}[$_]
		3556	or next;
		3557
		3558	my $face = cf::face::find "sound/$sound->[1]";
		3559	cf::sound::set $sound->[0] => $face;
		3560	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3561	}
		3562
		3563	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3564	my $face = cf::face::find "sound/$v";
		3565	cf::sound::set $k => $face;
		3566	}
		3567	}
		3568
		3569	sub reload_resources {
		3570	trace "reloading resource files...\n";
		3571
		3572	reload_exp_table;
		3573	reload_materials;
		3574	reload_facedata;
		3575	reload_sound;
		3576	reload_archetypes;
		3577	reload_regions;
		3578	reload_treasures;
		3579
		3580	trace "finished reloading resource files\n";
		3581	}
		3582
		3583	sub reload_config {
		3584	trace "reloading config file...\n";
		3585
		3586	0 < aio_load "$CONFDIR/config", my $config
		3587	or die "$CONFDIR/config: $!";
		3588
		3589	utf8::decode $config;
		3590	*CFG = yaml_load $config;
		3591
2099	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3592	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2100		3593
2101	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3594	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2102	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3595	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2103		3596
2104	if (exists $CFG{mlockall}) {	3597	if (exists $CFG{mlockall}) {
…		…
2108	};	3601	};
2109	warn $@ if $@;	3602	warn $@ if $@;
2110	}	3603	}
2111	}	3604	}
2112		3605
		3606	sub pidfile() {
		3607	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3608	or die "$PIDFILE: $!";
		3609	flock $fh, &Fcntl::LOCK_EX
		3610	or die "$PIDFILE: flock: $!";
		3611	$fh
		3612	}
		3613
		3614	# make sure only one server instance is running at any one time
		3615	sub atomic {
		3616	my $fh = pidfile;
		3617
		3618	my $pid = <$fh>;
		3619	kill 9, $pid if $pid > 0;
		3620
		3621	seek $fh, 0, 0;
		3622	print $fh $$;
		3623	}
		3624
		3625	sub main_loop {
		3626	trace "EV::loop starting\n";
		3627	if (1) {
		3628	EV::loop;
		3629	}
		3630	trace "EV::loop returned\n";
		3631	goto &main_loop unless $REALLY_UNLOOP;
		3632	}
		3633
2113	sub main {	3634	sub main {
		3635	cf::init_globals; # initialise logging
		3636
		3637	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3638	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3639	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3640	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3641
		3642	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3643
2114	# we must not ever block the main coroutine	3644	# we must not ever block the main coroutine
2115	local $Coro::idle = sub {	3645	local $Coro::idle = sub {
2116	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3646	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2117	async { Event::one_event };	3647	(async {
		3648	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3649	EV::loop EV::LOOP_ONESHOT;
		3650	})->prio (Coro::PRIO_MAX);
2118	};	3651	};
2119		3652
2120	cfg_load;	3653	evthread_start IO::AIO::poll_fileno;
2121	db_load;	3654
		3655	cf::sync_job {
		3656	cf::incloader::init ();
		3657
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663
		3664	reload_resources;
		3665	reload_config;
		3666	db_init;
		3667
		3668	cf::init_uuid;
		3669	cf::init_signals;
		3670	cf::init_skills;
		3671
		3672	cf::init_beforeplay;
		3673
		3674	atomic;
		3675
2122	load_extensions;	3676	load_extensions;
2123	Event::loop;	3677
		3678	utime time, time, $RUNTIMEFILE;
		3679
		3680	# no (long-running) fork's whatsoever before this point(!)
		3681	use POSIX ();
		3682	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3683
		3684	cf::_post_init 0;
		3685	};
		3686
		3687	cf::object::thawer::errors_are_fatal 0;
		3688	info "parse errors in files are no longer fatal from this point on.\n";
		3689
		3690	my $free_main; $free_main = EV::idle sub {
		3691	undef $free_main;
		3692	undef &main; # free gobs of memory :)
		3693	};
		3694
		3695	goto &main_loop;
2124	}	3696	}
2125		3697
2126	#############################################################################	3698	#############################################################################
2127	# initialisation	3699	# initialisation and cleanup
2128		3700
		3701	# install some emergency cleanup handlers
		3702	BEGIN {
		3703	our %SIGWATCHER = ();
		3704	for my $signal (qw(INT HUP TERM)) {
		3705	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3706	cf::cleanup "SIG$signal";
		3707	};
		3708	}
		3709	}
		3710
		3711	sub write_runtime_sync {
		3712	my $t0 = AE::time;
		3713
		3714	# first touch the runtime file to show we are still running:
		3715	# the fsync below can take a very very long time.
		3716
		3717	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3718
		3719	my $guard = cf::lock_acquire "write_runtime";
		3720
		3721	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3722	or return;
		3723
		3724	my $value = $cf::RUNTIME + 90 + 10;
		3725	# 10 is the runtime save interval, for a monotonic clock
		3726	# 60 allows for the watchdog to kill the server.
		3727
		3728	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3729	and return;
		3730
		3731	# always fsync - this file is important
		3732	aio_fsync $fh
		3733	and return;
		3734
		3735	# touch it again to show we are up-to-date
		3736	aio_utime $fh, undef, undef;
		3737
		3738	close $fh
		3739	or return;
		3740
		3741	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3742	and return;
		3743
		3744	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3745
		3746	1
		3747	}
		3748
		3749	our $uuid_lock;
		3750	our $uuid_skip;
		3751
		3752	sub write_uuid_sync($) {
		3753	$uuid_skip ||= $_[0];
		3754
		3755	return if $uuid_lock;
		3756	local $uuid_lock = 1;
		3757
		3758	my $uuid = "$LOCALDIR/uuid";
		3759
		3760	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3761	or return;
		3762
		3763	my $value = uuid_seq uuid_cur;
		3764
		3765	unless ($value) {
		3766	info "cowardly refusing to write zero uuid value!\n";
		3767	return;
		3768	}
		3769
		3770	my $value = uuid_str $value + $uuid_skip;
		3771	$uuid_skip = 0;
		3772
		3773	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3774	and return;
		3775
		3776	# always fsync - this file is important
		3777	aio_fsync $fh
		3778	and return;
		3779
		3780	close $fh
		3781	or return;
		3782
		3783	aio_rename "$uuid~", $uuid
		3784	and return;
		3785
		3786	trace "uuid file written ($value).\n";
		3787
		3788	1
		3789
		3790	}
		3791
		3792	sub write_uuid($$) {
		3793	my ($skip, $sync) = @_;
		3794
		3795	$sync ? write_uuid_sync $skip
		3796	: async { write_uuid_sync $skip };
		3797	}
		3798
		3799	sub emergency_save() {
		3800	my $freeze_guard = cf::freeze_mainloop;
		3801
		3802	info "emergency_perl_save: enter\n";
		3803
		3804	# this is a trade-off: we want to be very quick here, so
		3805	# save all maps without fsync, and later call a global sync
		3806	# (which in turn might be very very slow)
		3807	local $USE_FSYNC = 0;
		3808
		3809	cf::sync_job {
		3810	cf::write_runtime_sync; # external watchdog should not bark
		3811
		3812	# use a peculiar iteration method to avoid tripping on perl
		3813	# refcount bugs in for. also avoids problems with players
		3814	# and maps saved/destroyed asynchronously.
		3815	info "emergency_perl_save: begin player save\n";
		3816	for my $login (keys %cf::PLAYER) {
		3817	my $pl = $cf::PLAYER{$login} or next;
		3818	$pl->valid or next;
		3819	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3820	$pl->save;
		3821	}
		3822	info "emergency_perl_save: end player save\n";
		3823
		3824	cf::write_runtime_sync; # external watchdog should not bark
		3825
		3826	info "emergency_perl_save: begin map save\n";
		3827	for my $path (keys %cf::MAP) {
		3828	my $map = $cf::MAP{$path} or next;
		3829	$map->valid or next;
		3830	$map->save;
		3831	}
		3832	info "emergency_perl_save: end map save\n";
		3833
		3834	cf::write_runtime_sync; # external watchdog should not bark
		3835
		3836	info "emergency_perl_save: begin database checkpoint\n";
		3837	BDB::db_env_txn_checkpoint $DB_ENV;
		3838	info "emergency_perl_save: end database checkpoint\n";
		3839
		3840	info "emergency_perl_save: begin write uuid\n";
		3841	write_uuid_sync 1;
		3842	info "emergency_perl_save: end write uuid\n";
		3843
		3844	cf::write_runtime_sync; # external watchdog should not bark
		3845
		3846	trace "emergency_perl_save: syncing database to disk";
		3847	BDB::db_env_txn_checkpoint $DB_ENV;
		3848
		3849	info "emergency_perl_save: starting sync\n";
		3850	IO::AIO::aio_sync sub {
		3851	info "emergency_perl_save: finished sync\n";
		3852	};
		3853
		3854	cf::write_runtime_sync; # external watchdog should not bark
		3855
		3856	trace "emergency_perl_save: flushing outstanding aio requests";
		3857	while (IO::AIO::nreqs || BDB::nreqs) {
		3858	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3859	}
		3860
		3861	cf::write_runtime_sync; # external watchdog should not bark
		3862	};
		3863
		3864	info "emergency_perl_save: leave\n";
		3865	}
		3866
		3867	sub post_cleanup {
		3868	my ($make_core) = @_;
		3869
		3870	IO::AIO::flush;
		3871
		3872	error Carp::longmess "post_cleanup backtrace"
		3873	if $make_core;
		3874
		3875	my $fh = pidfile;
		3876	unlink $PIDFILE if <$fh> == $$;
		3877	}
		3878
		3879	# a safer delete_package, copied from Symbol
		3880	sub clear_package($) {
		3881	my $pkg = shift;
		3882
		3883	# expand to full symbol table name if needed
		3884	unless ($pkg =~ /^main::.*::$/) {
		3885	$pkg = "main$pkg" if $pkg =~ /^::/;
		3886	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3887	$pkg .= '::' unless $pkg =~ /::$/;
		3888	}
		3889
		3890	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3891	my $stem_symtab = *{$stem}{HASH};
		3892
		3893	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3894	or return;
		3895
		3896	# clear all symbols
		3897	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3898	for my $name (keys %$leaf_symtab) {
		3899	_gv_clear *{"$pkg$name"};
		3900	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3901	}
		3902	}
		3903
2129	sub reload() {	3904	sub do_reload_perl() {
2130	# can/must only be called in main	3905	# can/must only be called in main
2131	if ($Coro::current != $Coro::main) {	3906	unless (in_main) {
2132	warn "can only reload from main coroutine\n";	3907	error "can only reload from main coroutine";
2133	return;	3908	return;
2134	}	3909	}
2135		3910
2136	warn "reloading...";	3911	return if $RELOAD++;
2137		3912
2138	my $guard = freeze_mainloop;	3913	my $t1 = AE::time;
		3914
		3915	while ($RELOAD) {
		3916	cf::get_slot 0.1, -1, "reload_perl";
		3917	info "perl_reload: reloading...";
		3918
		3919	trace "perl_reload: entering sync_job";
		3920
		3921	cf::sync_job {
2139	cf::emergency_save;	3922	#cf::emergency_save;
2140		3923
2141	eval {	3924	trace "perl_reload: cancelling all extension coros";
2142	# if anything goes wrong in here, we should simply crash as we already saved
2143
2144	# cancel all watchers
2145	for (Event::all_watchers) {
2146	$_->cancel if $_->data & WF_AUTOCANCEL;
2147	}
2148
2149	# cancel all extension coros
2150	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2151	%EXT_CORO = ();	3926	%EXT_CORO = ();
2152		3927
2153	# unload all extensions	3928	trace "perl_reload: removing commands";
2154	for (@exts) {	3929	%COMMAND = ();
2155	warn "unloading <$_>";
2156	unload_extension $_;
2157	}
2158		3930
2159	# unload all modules loaded from $LIBDIR	3931	trace "perl_reload: removing ext/exti commands";
2160	while (my ($k, $v) = each %INC) {	3932	%EXTCMD = ();
2161	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	%EXTICMD = ();
2162		3934
2163	warn "removing <$k>";	3935	trace "perl_reload: unloading/nuking all extensions";
2164	delete $INC{$k};	3936	for my $pkg (@EXTS) {
		3937	trace "... unloading $pkg";
2165		3938
2166	$k =~ s/\.pm$//;
2167	$k =~ s/\//::/g;
2168
2169	if (my $cb = $k->can ("unload_module")) {	3939	if (my $cb = $pkg->can ("unload")) {
		3940	eval {
2170	$cb->();	3941	$cb->($pkg);
		3942	1
		3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2171	}	3948	}
2172		3949
2173	Symbol::delete_package $k;	3950	trace "perl_reload: unloading all perl modules loaded from $LIBDIR";
		3951	while (my ($k, $v) = each %INC) {
		3952	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3953
		3954	trace "... unloading $k";
		3955	delete $INC{$k};
		3956
		3957	$k =~ s/\.pm$//;
		3958	$k =~ s/\//::/g;
		3959
		3960	if (my $cb = $k->can ("unload_module")) {
		3961	$cb->();
		3962	}
		3963
		3964	clear_package $k;
2174	}	3965	}
2175		3966
2176	# sync database to disk
2177	cf::db_sync;
2178	IO::AIO::flush;
2179
2180	# get rid of safe::, as good as possible	3967	trace "perl_reload: getting rid of safe::, as good as possible";
2181	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2182	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3969	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183		3970
2184	# remove register_script_function callbacks	3971	trace "perl_reload: unloading cf.pm \"a bit\"";
2185	# TODO
2186
2187	# unload cf.pm "a bit"
2188	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2189		3974
2190	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2191	# and global variables created in xs	3976	# and global variables created in xs
2192	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2193		3978
2194	# reload cf.pm	3979	info "perl_reload: unload completed, starting to reload now";
2195	warn "reloading cf.pm";	3980
		3981	trace "perl_reload: reloading cf.pm";
2196	require cf;	3982	require cf;
2197	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2198		3984
2199	# load config and database again	3985	trace "perl_reload: loading config and database again";
2200	cf::cfg_load;	3986	cf::reload_config;
2201	cf::db_load;
2202		3987
2203	# load extensions	3988	trace "perl_reload: loading extensions";
2204	warn "load extensions";
2205	cf::load_extensions;	3989	cf::load_extensions;
2206		3990
2207	# reattach attachments to objects	3991	if ($REATTACH_ON_RELOAD) {
2208	warn "reattach";	3992	trace "perl_reload: reattaching attachments to objects/players";
2209	_global_reattach;	3993	_global_reattach; # objects, sockets
		3994	trace "perl_reload: reattaching attachments to maps";
2210	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "perl_reload: reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
		3999
		4000	cf::_post_init 1;
		4001
		4002	trace "perl_reload: leaving sync_job";
		4003
		4004	1
		4005	} or do {
		4006	error $@;
		4007	cf::cleanup "perl_reload: error, exiting.";
		4008	};
		4009
		4010	--$RELOAD;
		4011	}
		4012
		4013	$t1 = AE::time - $t1;
		4014	info "perl_reload: completed in ${t1}s\n";
		4015	};
		4016
		4017	our $RELOAD_WATCHER; # used only during reload
		4018
		4019	sub reload_perl() {
		4020	# doing reload synchronously and two reloads happen back-to-back,
		4021	# coro crashes during coro_state_free->destroy here.
		4022
		4023	$RELOAD_WATCHER ||= cf::async {
		4024	Coro::AIO::aio_wait cache_extensions;
		4025
		4026	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4027	do_reload_perl;
		4028	undef $RELOAD_WATCHER;
		4029	};
2211	};	4030	};
2212
2213	if ($@) {
2214	warn $@;
2215	warn "error while reloading, exiting.";
2216	exit 1;
2217	}
2218
2219	warn "reloaded successfully";
2220	};
2221
2222	#############################################################################
2223
2224	unless ($LINK_MAP) {
2225	$LINK_MAP = cf::map::new;
2226
2227	$LINK_MAP->width (41);
2228	$LINK_MAP->height (41);
2229	$LINK_MAP->alloc;
2230	$LINK_MAP->path ("{link}");
2231	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234	# dirty hack because... archetypes are not yet loaded
2235	Event->timer (
2236	after => 10,
2237	cb => sub {
2238	$_[0]->w->cancel;
2239
2240	# provide some exits "home"
2241	my $exit = cf::object::new "exit";
2242
2243	$exit->slaying ($EMERGENCY_POSITION->[0]);
2244	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247	$LINK_MAP->insert ($exit->clone, 19, 19);
2248	$LINK_MAP->insert ($exit->clone, 19, 20);
2249	$LINK_MAP->insert ($exit->clone, 19, 21);
2250	$LINK_MAP->insert ($exit->clone, 20, 19);
2251	$LINK_MAP->insert ($exit->clone, 20, 21);
2252	$LINK_MAP->insert ($exit->clone, 21, 19);
2253	$LINK_MAP->insert ($exit->clone, 21, 20);
2254	$LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256	$exit->destroy;
2257	});
2258
2259	$LINK_MAP->{deny_save} = 1;
2260	$LINK_MAP->{deny_reset} = 1;
2261
2262	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263	}	4031	}
2264
2265	register "<global>", __PACKAGE__;
2266		4032
2267	register_command "reload" => sub {	4033	register_command "reload" => sub {
2268	my ($who, $arg) = @_;	4034	my ($who, $arg) = @_;
2269		4035
2270	if ($who->flag (FLAG_WIZ)) {	4036	if ($who->flag (FLAG_WIZ)) {
2271	$who->message ("start of reload.");
2272	reload;
2273	$who->message ("end of reload.");	4037	$who->message ("reloading server.");
		4038	async {
		4039	$Coro::current->{desc} = "perl_reload";
		4040	reload_perl;
		4041	};
2274	}	4042	}
2275	};	4043	};
2276		4044
2277	unshift @INC, $LIBDIR;	4045	#############################################################################
2278		4046
2279	$TICK_WATCHER = Event->timer (	4047	my $bug_warning = 0;
2280	reentrant => 0,	4048
2281	prio => 0,	4049	our @WAIT_FOR_TICK;
2282	at => $NEXT_TICK || $TICK,	4050	our @WAIT_FOR_TICK_BEGIN;
2283	data => WF_AUTOCANCEL,	4051
2284	cb => sub {	4052	sub wait_for_tick() {
		4053	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4054
		4055	my $signal = new Coro::Signal;
		4056	push @WAIT_FOR_TICK, $signal;
		4057	$signal->wait;
		4058	}
		4059
		4060	sub wait_for_tick_begin() {
		4061	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4062
		4063	my $signal = new Coro::Signal;
		4064	push @WAIT_FOR_TICK_BEGIN, $signal;
		4065	$signal->wait;
		4066	}
		4067
		4068	sub tick {
		4069	if ($Coro::current != $Coro::main) {
		4070	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4071	unless ++$bug_warning > 10;
		4072	return;
		4073	}
		4074
2285	cf::server_tick; # one server iteration	4075	cf::server_tick; # one server iteration
2286	$RUNTIME += $TICK;
2287	$NEXT_TICK += $TICK;
2288		4076
2289	# if we are delayed by four ticks or more, skip them all	4077	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2290	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291		4078
2292	$TICK_WATCHER->at ($NEXT_TICK);	4079	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2293	$TICK_WATCHER->start;	4080	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2294	},	4081	Coro::async_pool {
2295	);	4082	$Coro::current->{desc} = "runtime saver";
2296
2297	IO::AIO::max_poll_time $TICK * 0.2;
2298
2299	Event->io (
2300	fd => IO::AIO::poll_fileno,
2301	poll => 'r',
2302	prio => 5,
2303	data => WF_AUTOCANCEL,
2304	cb => \&IO::AIO::poll_cb,
2305	);
2306
2307	Event->timer (
2308	data => WF_AUTOCANCEL,
2309	after => 0,
2310	interval => 10,
2311	cb => sub {
2312	(Coro::unblock_sub {
2313	write_runtime	4083	write_runtime_sync
2314	or warn "ERROR: unable to write runtime file: $!";	4084	or error "ERROR: unable to write runtime file: $!";
2315	})->();	4085	};
2316	},	4086	}
2317	);	4087
		4088	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4089	$sig->send;
		4090	}
		4091	while (my $sig = shift @WAIT_FOR_TICK) {
		4092	$sig->send;
		4093	}
		4094
		4095	$LOAD = ($NOW - $TICK_START) / $TICK;
		4096	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4097
		4098	if (0) {
		4099	if ($NEXT_TICK) {
		4100	my $jitter = $TICK_START - $NEXT_TICK;
		4101	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4102	debug "jitter $JITTER\n";#d#
		4103	}
		4104	}
		4105	}
		4106
		4107	{
		4108	# configure BDB
		4109
		4110	BDB::min_parallel 16;
		4111	BDB::max_poll_reqs $TICK * 0.1;
		4112	$AnyEvent::BDB::WATCHER->priority (1);
		4113
		4114	unless ($DB_ENV) {
		4115	$DB_ENV = BDB::db_env_create;
		4116	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4117	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4118	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4119	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4120	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4121
		4122	cf::sync_job {
		4123	eval {
		4124	BDB::db_env_open
		4125	$DB_ENV,
		4126	$BDBDIR,
		4127	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4128	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4129	0666;
		4130
		4131	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4132	};
		4133
		4134	cf::cleanup "db_env_open(db): $@" if $@;
		4135	};
		4136	}
		4137
		4138	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4139	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4140	};
		4141	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4142	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4143	};
		4144	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4145	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4146	};
		4147	}
		4148
		4149	{
		4150	# configure IO::AIO
		4151
		4152	IO::AIO::min_parallel 8;
		4153	IO::AIO::max_poll_time $TICK * 0.1;
		4154	undef $AnyEvent::AIO::WATCHER;
		4155	}
		4156
		4157	our $_log_backtrace;
		4158	our $_log_backtrace_last;
		4159
		4160	sub _log_backtrace {
		4161	my ($msg, @addr) = @_;
		4162
		4163	$msg =~ s/\n$//;
		4164
		4165	if ($_log_backtrace_last eq $msg) {
		4166	LOG llevInfo, "[ABT] $msg\n";
		4167	LOG llevInfo, "[ABT] [duplicate, suppressed]\n";
		4168	# limit the # of concurrent backtraces
		4169	} elsif ($_log_backtrace < 2) {
		4170	$_log_backtrace_last = $msg;
		4171	++$_log_backtrace;
		4172	my $perl_bt = Carp::longmess $msg;
		4173	async {
		4174	$Coro::current->{desc} = "abt $msg";
		4175
		4176	my @bt = fork_call {
		4177	@addr = map { sprintf "%x", $_ } @addr;
		4178	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4179	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4180	or die "addr2line: $!";
		4181
		4182	my @funcs;
		4183	my @res = <$fh>;
		4184	chomp for @res;
		4185	while (@res) {
		4186	my ($func, $line) = splice @res, 0, 2, ();
		4187	push @funcs, "[$func] $line";
		4188	}
		4189
		4190	@funcs
		4191	};
		4192
		4193	LOG llevInfo, "[ABT] $perl_bt\n";
		4194	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4195	LOG llevInfo, "[ABT] $_\n" for @bt;
		4196	--$_log_backtrace;
		4197	};
		4198	} else {
		4199	LOG llevInfo, "[ABT] $msg\n";
		4200	LOG llevInfo, "[ABT] [overload, suppressed]\n";
		4201	}
		4202	}
		4203
		4204	# load additional modules
		4205	require "cf/$_.pm" for @EXTRA_MODULES;
		4206	cf::_connect_to_perl_2;
2318		4207
2319	END { cf::emergency_save }	4208	END { cf::emergency_save }
2320		4209
2321	1	4210	1
2322		4211

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