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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.541 by root, Tue May 4 23:33:16 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);
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 process
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
		252
111	=back	253	=back
112		254
113	=cut	255	=cut
114		256
115	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	264	my $msg = join "", @_;
118	utf8::encode $msg;
119		265
120	$msg .= "\n"	266	$msg .= "\n"
121	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
122		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
123	LOG llevError, $msg;	271	LOG llevWarn, $msg;
124	};	272	};
125	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
126		287
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		295
134	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	297	# within the Safe compartment.
136	for my $pkg (qw(	298	for my $pkg (qw(
137	cf::global cf::attachable	299	cf::global cf::attachable
138	cf::object cf::object::player	300	cf::object cf::object::player
139	cf::client cf::player	301	cf::client cf::player
140	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
141	cf::map cf::party cf::region	304	cf::party cf::region
142	)) {	305	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	307	}
146		308
147	$Event::DIED = sub {	309	$EV::DIED = sub {
148	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
149	};	311	};
150		312
151	my %ext_pkg;	313	#############################################################################
152	my @exts;
153	my @hook;
154		314
155	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
156		316
157	=over 4	317	=over 4
158		318
159	=cut	319	=item dumpval $ref
160		320
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	321	=cut
162		322
		323	sub dumpval {
		324	eval {
		325	local $SIG{__DIE__};
		326	my $d;
		327	if (1) {
		328	$d = new Data::Dumper([$_[0]], ["*var"]);
		329	$d->Terse(1);
		330	$d->Indent(2);
		331	$d->Quotekeys(0);
		332	$d->Useqq(1);
		333	#$d->Bless(...);
		334	$d->Seen($_[1]) if @_ > 1;
		335	$d = $d->Dump();
		336	}
		337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		338	$d
		339	} || "[unable to dump $_[0]: '$@']";
		340	}
		341
163	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
164		343
165	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
166		345
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
175		347
176	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
177		349
178	=cut	350	=cut
179		351
180	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
182	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
183	}	369	}
184		370
185	=item cf::lock_wait $string	371	=item cf::lock_wait $string
186		372
187	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
188		374
189	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
190		376
191	Wait until the given lock is available and then acquires it and returns	377	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,	378	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	379	for example when the coroutine gets canceled), the lock is automatically
194	returned.	380	returned.
195		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
196	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
198		387
199	=cut	388	=item $locked = cf::lock_active $string
200		389
201	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
202		395
203	sub lock_wait($) {	396	sub lock_wait($) {
204	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	398	}
212		399
213	sub lock_acquire($) {	400	sub lock_acquire($) {
214	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
215		403
216	# wait, to be sure we are not locked	404	sub lock_active($) {
217	lock_wait $key;	405	$LOCKS->count ($_[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	}	406	}
226		407
227	sub freeze_mainloop {	408	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
229		410
230	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	412	}
232	$guard	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
		478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
233	}	494	}
234		495
235	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
236		497
237	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		503
243	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
244		505
245	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
246		507
247	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
250		512
251	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
254	fast or be very important.	516	fast or be very important.
…		…
256	=cut	518	=cut
257		519
258	sub sync_job(&) {	520	sub sync_job(&) {
259	my ($job) = @_;	521	my ($job) = @_;
260		522
261	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
262	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
264		528
265	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	530
267	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
268		532
269	my $busy = 1;	533	my $busy = 1;
270	my @res;	534	my @res;
271		535
272	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	538	@res = eval { $job->() };
274	warn $@ if $@;	539	error $@ if $@;
275	undef $busy;	540	undef $busy;
276	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
277		542
278	while ($busy) {	543	while ($busy) {
279	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
280	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
281		554
282	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
283	} else {	556	} else {
284	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
285		558
…		…
287	}	560	}
288	}	561	}
289		562
290	=item $coro = cf::async_ext { BLOCK }	563	=item $coro = cf::async_ext { BLOCK }
291		564
292	Like async, but this coro is automcatially being canceled when the	565	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	566	extension calling this is being unloaded.
294		567
295	=cut	568	=cut
296		569
297	sub async_ext(&) {	570	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
306		579
307	$coro	580	$coro
308	}	581	}
309		582
310	sub write_runtime {	583	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		584
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	585	Executes the given code block with the given arguments in a seperate
314	or return;	586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
315		589
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	590	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		591
320	aio_fsync $fh	592	sub fork_call(&@) {
321	and return;	593	my ($cb, @args) = @_;
322		594
323	close $fh	595	# we seemingly have to make a local copy of the whole thing,
324	or return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
325		598
326	aio_rename "$runtime~", $runtime	599	my @res = Coro::Util::fork_eval {
327	and return;	600	reset_signals;
		601	&$cb
		602	}, @args;
328		603
		604	wantarray ? @res : $res[-1]
		605	}
		606
		607	sub objinfo {
329	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	783	}
331		784
332	=back	785	=back
333		786
334	=cut	787	=cut
335		788
336	#############################################################################	789	#############################################################################
337		790
338	package cf::path;
339
340	sub new {
341	my ($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	791	=head2 ATTACHABLE OBJECTS
459		792
460	Many objects in crossfire are so-called attachable objects. That means you can	793	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")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
463		796
464	In the following description, CLASS can be any of C<global>, C<object>	797	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	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	799	Deliantra).
467		800
468	=over 4	801	=over 4
469		802
470	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
471		804
…		…
515	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
516		849
517	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
519		852
520	Some classes such as crossfire maps and objects can specify attachments	853	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.	854	that are attached at load/instantiate time, thus the need for a name.
522		855
523	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
524		857
525	=over 4	858	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	919	our @CB_MAP = ();
587		920
588	my %attachment;	921	my %attachment;
589		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
590	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
592		931
593	use sort 'stable';	932	use sort 'stable';
594		933
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
629		968
630	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		973
635	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	975	my $pkg = shift @arg;
637		976
638	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
643		982
644	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		985
647	} elsif (ref $type) {	986	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
649		988
650	} else {	989	} else {
651	shift @arg;	990	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
653	}	992	}
654	}	993	}
655	}	994	}
656		995
657	sub _object_attach {	996	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
668	}	1007	}
669		1008
670	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
671	} else {	1010	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1012	}
674		1013
675	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
676	}	1015	}
677		1016
…		…
679	if (ref $_[0]) {	1018	if (ref $_[0]) {
680	_object_attach @_;	1019	_object_attach @_;
681	} else {	1020	} else {
682	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
683	}	1022	}
		1023	_recalc_want;
684	};	1024	};
685		1025
686	# all those should be optimised	1026	# all those should be optimised
687	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1032	reattach ($obj);
693	} else {	1033	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
695	}	1035	}
		1036	_recalc_want;
696	};	1037	};
697		1038
698	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
700		1041
…		…
715	";	1056	";
716	die if $@;	1057	die if $@;
717	}	1058	}
718		1059
719	our $override;	1060	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1062
722	sub override {	1063	sub override {
723	$override = 1;	1064	$override = 1;
724	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
725	}	1066	}
726		1067
727	sub do_invoke {	1068	sub do_invoke {
728	my $event = shift;	1069	my $event = shift;
729	my $callbacks = shift;	1070	my $callbacks = shift;
730		1071
731	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
732		1073
733	local $override;	1074	local $override;
734		1075
735	for (@$callbacks) {	1076	for (@$callbacks) {
736	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
737		1078
738	if ($@) {	1079	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1081	override;
742	}	1082	}
743		1083
744	return 1 if $override;	1084	return 1 if $override;
745	}	1085	}
746		1086
747	0	1087	0
748	}	1088	}
749		1089
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1091
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1093
754	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
755		1095
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	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	1097	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1099
760	=back	1100	=back
761		1101
762	=cut	1102	=cut
763		1103
764	#############################################################################	1104	#############################################################################
765	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
766		1148
767	sub reattach {	1149	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1155
771	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
772		1157
773	@$registry = ();	1158	@$registry = ();
774		1159
…		…
779	for (@$attach) {	1164	for (@$attach) {
780	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
782	}	1167	}
783	} else {	1168	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1170	}
786	}	1171	}
787	}	1172	}
788		1173
789	cf::attachable->attach (	1174	cf::attachable->attach (
790	prio => -1000000,	1175	prio => -1000000,
791	on_instantiate => sub {	1176	on_instantiate => sub {
792	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
793		1178
794	$data = from_json $data;	1179	$data = decode_json $data;
795		1180
796	for (@$data) {	1181	for (@$data) {
797	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
798		1183
799	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1200	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
817		1202
818	sync_job {	1203	sync_job {
819	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
822		1209
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
826	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
827	close $fh;	1217	aio_close $fh;
828		1218
829	if (@$objs) {	1219	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	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;	1226	aio_fsync $fh;
		1227	}
835	close $fh;	1228	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
837	}	1230	}
838	} else {	1231	} else {
839	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
840	}	1233	}
841		1234
842	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1239	} else {
844	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
845	}	1241	}
846	} else {	1242	} else {
847	aio_unlink $filename;	1243	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
849	}	1245	}
850	}	1246	};
851	}	1247	}
852		1248
853	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
855		1251
…		…
867	or return;	1263	or return;
868		1264
869	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
871	or return;	1267	or return;
		1268
872	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
873	}	1271	}
874		1272
		1273	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
877	return ($data, $av);	1278	($data, $av)
878	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
879		1286
880	#############################################################################	1287	#############################################################################
881	# command handling &c	1288	# command handling &c
882		1289
883	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1304	}
898		1305
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1307
901	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
902		1313
903	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
904	called.	1315	called.
905		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
906	=cut	1328	=cut
907		1329
908	sub register_extcmd {	1330	sub register_extcmd {
909	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
910		1332
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1333	$EXTCMD{$name} = $cb;
915	}	1334	}
		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
916		1343
917	cf::player->attach (	1344	cf::player->attach (
918	on_command => sub {	1345	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
920		1347
921	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
922	or return;	1349	or return;
923		1350
…		…
928	cf::override;	1355	cf::override;
929	},	1356	},
930	on_extcmd => sub {	1357	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
932		1359
933	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1361
935	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
941	} else {	1377	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1379	}
944		1380
945	cf::override;	1381	cf::override;
946	},	1382	},
947	);	1383	);
948		1384
949	sub register {	1385	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1386	sub cache_extensions {
956	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
957		1388
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1391	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	}	1392	}
1008	}	1393	};
1009		1394
1010	# remove extcmds	1395	$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	}	1396	}
1024		1397
1025	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
1026	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1405	next unless -r $path;
1028	eval {	1406
1029	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use common::sense;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456	undef $@; # work around perl 5.10.0 utf-8 caching bug
		1457
		1458	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1459	if exists $v->{meta}{mandatory};
		1460
		1461	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1462	delete $todo{$k};
		1463	} else {
		1464	$done{$k} = delete $todo{$k};
		1465	push @EXTS, $v->{pkg};
		1466	$progress = 1;
		1467
		1468	info "$v->{base}: extension inactive.\n"
		1469	unless $active;
		1470	}
1030	1	1471	}
1031	} or warn "$ext not loaded: $@";	1472
		1473	unless ($progress) {
		1474	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1475
		1476	while (my ($k, $v) = each %todo) {
		1477	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1478	if exists $v->{meta}{mandatory};
		1479	}
		1480	}
		1481	}
1032	}	1482	};
1033	}	1483	}
1034		1484
1035	#############################################################################	1485	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1486
1038	*cf::mapsupport::on_clean = sub {	1487	=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		1488
1073	=head2 CORE EXTENSIONS	1489	=head2 CORE EXTENSIONS
1074		1490
1075	Functions and methods that extend core crossfire objects.	1491	Functions and methods that extend core deliantra objects.
1076		1492
1077	=cut	1493	=cut
1078		1494
1079	package cf::player;	1495	package cf::player;
1080		1496
		1497	use Coro::AIO;
		1498
1081	=head3 cf::player	1499	=head3 cf::player
1082		1500
1083	=over 4	1501	=over 4
1084		1502
		1503	=item cf::player::num_playing
		1504
		1505	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1506
		1507	=cut
		1508
		1509	sub num_playing {
		1510	scalar grep
		1511	$_->ob->map
		1512	&& !$_->hidden
		1513	&& !$_->ob->flag (cf::FLAG_WIZ),
		1514	cf::player::list
		1515	}
		1516
1085	=item cf::player::find $login	1517	=item cf::player::find $login
1086		1518
1087	Returns the given player object, loading it if necessary (might block).	1519	Returns the given player object, loading it if necessary (might block).
1088		1520
1089	=cut	1521	=cut
1090		1522
1091	sub playerdir($) {	1523	sub playerdir($) {
1092	cf::localdir	1524	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1525	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1526	}
1098		1527
1099	sub path($) {	1528	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1529	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1530
1102	(playerdir $login) . "/$login.pl"	1531	(playerdir $login) . "/playerdata"
1103	}	1532	}
1104		1533
1105	sub find_active($) {	1534	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1535	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1536	and $cf::PLAYER{$_[0]}->active
…		…
1110		1539
1111	sub exists($) {	1540	sub exists($) {
1112	my ($login) = @_;	1541	my ($login) = @_;
1113		1542
1114	$cf::PLAYER{$login}	1543	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1544	or !aio_stat path $login
1116	}	1545	}
1117		1546
1118	sub find($) {	1547	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1548	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1549	my $login = $_[0];
1121		1550
1122	my $guard = cf::lock_acquire "user_find:$login";	1551	my $guard = cf::lock_acquire "user_find:$login";
1123		1552
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1553	$cf::PLAYER{$_[0]} || do {
		1554	# rename old playerfiles to new ones
		1555	#TODO: remove when no longer required
		1556	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1557	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1558	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1559	aio_unlink +(playerdir $login) . "/$login.pl";
		1560
		1561	my $f = new_from_file cf::object::thawer path $login
		1562	or return;
		1563
		1564	my $pl = cf::player::load_pl $f
		1565	or return;
		1566
		1567	local $cf::PLAYER_LOADING{$login} = $pl;
		1568	$f->resolve_delayed_derefs;
		1569	$cf::PLAYER{$login} = $pl
		1570	}
1125	};	1571	}
1126	}	1572	}
		1573
		1574	cf::player->attach (
		1575	on_load => sub {
		1576	my ($pl, $path) = @_;
		1577
		1578	# restore slots saved in save, below
		1579	my $slots = delete $pl->{_slots};
		1580
		1581	$pl->ob->current_weapon ($slots->[0]);
		1582	$pl->combat_ob ($slots->[1]);
		1583	$pl->ranged_ob ($slots->[2]);
		1584	},
		1585	);
1127		1586
1128	sub save($) {	1587	sub save($) {
1129	my ($pl) = @_;	1588	my ($pl) = @_;
1130		1589
1131	return if $pl->{deny_save};	1590	return if $pl->{deny_save};
…		…
1133	my $path = path $pl;	1592	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1593	my $guard = cf::lock_acquire "user_save:$path";
1135		1594
1136	return if $pl->{deny_save};	1595	return if $pl->{deny_save};
1137		1596
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1597	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1598	$pl->{last_save} = $cf::RUNTIME;
1140		1599
		1600	cf::get_slot 0.01;
		1601
		1602	# save slots, to be restored later
		1603	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1604
1141	$pl->save_pl ($path);	1605	$pl->save_pl ($path);
1142	Coro::cede;	1606	cf::cede_to_tick;
1143	}	1607	}
1144		1608
1145	sub new($) {	1609	sub new($) {
1146	my ($login) = @_;	1610	my ($login) = @_;
1147		1611
…		…
1153	$cf::PLAYER{$login} = $self;	1617	$cf::PLAYER{$login} = $self;
1154		1618
1155	$self	1619	$self
1156	}	1620	}
1157		1621
		1622	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1623
		1624	=cut
		1625
		1626	sub send_msg {
		1627	my $ns = shift->ns
		1628	or return;
		1629	$ns->send_msg (@_);
		1630	}
		1631
		1632	=item $pl->quit_character
		1633
		1634	Nukes the player without looking back. If logged in, the connection will
		1635	be destroyed. May block for a long time.
		1636
		1637	=cut
		1638
1158	sub quit_character {	1639	sub quit_character {
1159	my ($pl) = @_;	1640	my ($pl) = @_;
1160		1641
		1642	my $name = $pl->ob->name;
		1643
1161	$pl->{deny_save} = 1;	1644	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1645	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1646
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1647	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1165	$pl->deactivate;	1648	$pl->deactivate;
		1649	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1650	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1167	$pl->ns->destroy if $pl->ns;	1651	$pl->ns->destroy if $pl->ns;
1168		1652
1169	my $path = playerdir $pl;	1653	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1654	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1655	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1656	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1657	$pl->destroy;
		1658
		1659	my $prefix = qr<^~\Q$name\E/>;
		1660
		1661	# nuke player maps
		1662	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1663
1174	IO::AIO::aio_rmtree $temp;	1664	IO::AIO::aio_rmtree $temp;
1175	}	1665	}
1176		1666
		1667	=item $pl->kick
		1668
		1669	Kicks a player out of the game. This destroys the connection.
		1670
		1671	=cut
		1672
		1673	sub kick {
		1674	my ($pl, $kicker) = @_;
		1675
		1676	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1677	$pl->killer ("kicked");
		1678	$pl->ns->destroy;
		1679	}
		1680
		1681	=item cf::player::list_logins
		1682
		1683	Returns am arrayref of all valid playernames in the system, can take a
		1684	while and may block, so not sync_job-capable, ever.
		1685
		1686	=cut
		1687
		1688	sub list_logins {
		1689	my $dirs = aio_readdir $PLAYERDIR
		1690	or return [];
		1691
		1692	my @logins;
		1693
		1694	for my $login (@$dirs) {
		1695	my $path = path $login;
		1696
		1697	# a .pst is a dead give-away for a valid player
		1698	# if no pst file found, open and chekc for blocked users
		1699	if (aio_stat "$path.pst") {
		1700	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1701	aio_read $fh, 0, 512, my $buf, 0 or next;
		1702	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1703	}
		1704
		1705	utf8::decode $login;
		1706	push @logins, $login;
		1707	}
		1708
		1709	\@logins
		1710	}
		1711
		1712	=item $player->maps
		1713
		1714	=item cf::player::maps $login
		1715
		1716	Returns an arrayref of map paths that are private for this
		1717	player. May block.
		1718
		1719	=cut
		1720
		1721	sub maps($) {
		1722	my ($pl) = @_;
		1723
		1724	$pl = ref $pl ? $pl->ob->name : $pl;
		1725
		1726	my $files = aio_readdir playerdir $pl
		1727	or return;
		1728
		1729	my @paths;
		1730
		1731	for (@$files) {
		1732	utf8::decode $_;
		1733	next if /\.(?:pl|pst)$/;
		1734	next unless /^$PATH_SEP/o;
		1735
		1736	push @paths, cf::map::normalise "~$pl/$_";
		1737	}
		1738
		1739	\@paths
		1740	}
		1741
		1742	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1743
		1744	Expand deliantra pod fragments into protocol xml.
		1745
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1746	=item $player->ext_reply ($msgid, @msg)
1178		1747
1179	Sends an ext reply to the player.	1748	Sends an ext reply to the player.
1180		1749
1181	=cut	1750	=cut
1182		1751
1183	sub ext_reply($$$%) {	1752	sub ext_reply($$@) {
1184	my ($self, $id, %msg) = @_;	1753	my ($self, $id, @msg) = @_;
1185		1754
1186	$msg{msgid} = $id;	1755	$self->ns->ext_reply ($id, @msg)
1187
1188	$self->send ("ext " . cf::to_json \%msg);
1189	}	1756	}
1190		1757
1191	package cf;	1758	=item $player->ext_msg ($type, @msg)
		1759
		1760	Sends an ext event to the client.
		1761
		1762	=cut
		1763
		1764	sub ext_msg($$@) {
		1765	my ($self, $type, @msg) = @_;
		1766
		1767	$self->ns->ext_msg ($type, @msg);
		1768	}
		1769
		1770	=head3 cf::region
		1771
		1772	=over 4
		1773
		1774	=cut
		1775
		1776	package cf::region;
		1777
		1778	=item cf::region::find_by_path $path
		1779
		1780	Tries to decuce the likely region for a map knowing only its path.
		1781
		1782	=cut
		1783
		1784	sub find_by_path($) {
		1785	my ($path) = @_;
		1786
		1787	$path =~ s/^~[^\/]*//; # skip ~login
		1788
		1789	my ($match, $specificity);
		1790
		1791	for my $region (list) {
		1792	if ($region->{match} && $path =~ $region->{match}) {
		1793	($match, $specificity) = ($region, $region->specificity)
		1794	if $region->specificity > $specificity;
		1795	}
		1796	}
		1797
		1798	$match
		1799	}
1192		1800
1193	=back	1801	=back
1194
1195		1802
1196	=head3 cf::map	1803	=head3 cf::map
1197		1804
1198	=over 4	1805	=over 4
1199		1806
…		…
1202	package cf::map;	1809	package cf::map;
1203		1810
1204	use Fcntl;	1811	use Fcntl;
1205	use Coro::AIO;	1812	use Coro::AIO;
1206		1813
		1814	use overload
		1815	'""' => \&as_string,
		1816	fallback => 1;
		1817
1207	our $MAX_RESET = 3600;	1818	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1819	our $DEFAULT_RESET = 3000;
1209		1820
1210	sub generate_random_map {	1821	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1822	my ($self, $rmp) = @_;
		1823
		1824	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1212		1825
1213	# mit "rum" bekleckern, nicht	1826	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1827	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1828	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1829	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1830	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1831	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1832	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1833	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1834	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1835	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1836	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1837	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1838	(cf::region::find $rmp->{region}), $rmp->{custom}
		1839	)
1227	}	1840	}
1228		1841
1229	# and all this just because we cannot iterate over	1842	=item cf::map->register ($regex, $prio)
1230	# all maps in C++...
1231	sub change_all_map_light {
1232	my ($change) = @_;
1233		1843
1234	$_->change_map_light ($change)	1844	Register a handler for the map path matching the given regex at the
1235	for grep $_->outdoor, values %cf::MAP;	1845	givne priority (higher is better, built-in handlers have priority 0, the
1236	}	1846	default).
1237		1847
1238	sub try_load_header($) {	1848	=cut
		1849
		1850	sub register {
		1851	my (undef, $regex, $prio) = @_;
		1852	my $pkg = caller;
		1853
		1854	push @{"$pkg\::ISA"}, __PACKAGE__;
		1855
		1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1857	}
		1858
		1859	# also paths starting with '/'
		1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1861
		1862	sub thawer_merge {
		1863	my ($self, $merge) = @_;
		1864
		1865	# we have to keep some variables in memory intact
		1866	local $self->{path};
		1867	local $self->{load_path};
		1868
		1869	$self->SUPER::thawer_merge ($merge);
		1870	}
		1871
		1872	sub normalise {
1239	my ($path) = @_;	1873	my ($path, $base) = @_;
		1874
		1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
		1878
		1879	# map plan:
		1880	#
		1881	# /! non-realised random map exit (special hack!)
		1882	# {... are special paths that are not being touched
		1883	# ?xxx/... are special absolute paths
		1884	# ?random/... random maps
		1885	# /... normal maps
		1886	# ~user/... per-player map of a specific user
		1887
		1888	$path =~ s/$PATH_SEP/\//go;
		1889
		1890	# treat it as relative path if it starts with
		1891	# something that looks reasonable
		1892	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1893	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1894
		1895	$base =~ s{[^/]+/?$}{};
		1896	$path = "$base/$path";
		1897	}
		1898
		1899	for ($path) {
		1900	redo if s{//}{/};
		1901	redo if s{/\.?/}{/};
		1902	redo if s{/[^/]+/\.\./}{/};
		1903	}
		1904
		1905	$path
		1906	}
		1907
		1908	sub new_from_path {
		1909	my (undef, $path, $base) = @_;
		1910
		1911	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1912
		1913	$path = normalise $path, $base;
		1914
		1915	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1916	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1917	my $self = bless cf::map::new, $pkg;
		1918	$self->{path} = $path; $self->path ($path);
		1919	$self->init; # pass $1 etc.
		1920	return $self;
		1921	}
		1922	}
		1923
		1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1925	()
		1926	}
		1927
		1928	sub init {
		1929	my ($self) = @_;
		1930
		1931	$self
		1932	}
		1933
		1934	sub as_string {
		1935	my ($self) = @_;
		1936
		1937	"$self->{path}"
		1938	}
		1939
		1940	# the displayed name, this is a one way mapping
		1941	sub visible_name {
		1942	&as_string
		1943	}
		1944
		1945	# the original (read-only) location
		1946	sub load_path {
		1947	my ($self) = @_;
		1948
		1949	"$MAPDIR/$self->{path}.map"
		1950	}
		1951
		1952	# the temporary/swap location
		1953	sub save_path {
		1954	my ($self) = @_;
		1955
		1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1957	"$TMPDIR/$path.map"
		1958	}
		1959
		1960	# the unique path, undef == no special unique path
		1961	sub uniq_path {
		1962	my ($self) = @_;
		1963
		1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1965	"$UNIQUEDIR/$path"
		1966	}
		1967
		1968	sub decay_objects {
		1969	my ($self) = @_;
		1970
		1971	return if $self->{deny_reset};
		1972
		1973	$self->do_decay_objects;
		1974	}
		1975
		1976	sub unlink_save {
		1977	my ($self) = @_;
		1978
		1979	utf8::encode (my $save = $self->save_path);
		1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1982	}
		1983
		1984	sub load_header_from($) {
		1985	my ($self, $path) = @_;
1240		1986
1241	utf8::encode $path;	1987	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1243	or return;	1989	or return;
1244		1990
1245	my $map = cf::map::new	1991	$self->_load_header ($f)
1246	or return;	1992	or return;
1247		1993
1248	# for better error messages only, will be overwritten	1994	local $MAP_LOADING{$self->{path}} = $self;
1249	$map->path ($path);	1995	$f->resolve_delayed_derefs;
1250		1996
1251	$map->load_header ($path)	1997	$self->{load_path} = $path;
		1998
		1999	1
		2000	}
		2001
		2002	sub load_header_orig {
		2003	my ($self) = @_;
		2004
		2005	$self->load_header_from ($self->load_path)
		2006	}
		2007
		2008	sub load_header_temp {
		2009	my ($self) = @_;
		2010
		2011	$self->load_header_from ($self->save_path)
		2012	}
		2013
		2014	sub prepare_temp {
		2015	my ($self) = @_;
		2016
		2017	$self->last_access ((delete $self->{last_access})
		2018	|| $cf::RUNTIME); #d#
		2019	# safety
		2020	$self->{instantiate_time} = $cf::RUNTIME
		2021	if $self->{instantiate_time} > $cf::RUNTIME;
		2022	}
		2023
		2024	sub prepare_orig {
		2025	my ($self) = @_;
		2026
		2027	$self->{load_original} = 1;
		2028	$self->{instantiate_time} = $cf::RUNTIME;
		2029	$self->last_access ($cf::RUNTIME);
		2030	$self->instantiate;
		2031	}
		2032
		2033	sub load_header {
		2034	my ($self) = @_;
		2035
		2036	if ($self->load_header_temp) {
		2037	$self->prepare_temp;
		2038	} else {
		2039	$self->load_header_orig
1252	or return;	2040	or return;
		2041	$self->prepare_orig;
		2042	}
1253		2043
1254	$map->{load_path} = $path;	2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
1255		2046
1256	$map	2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
		2049
		2050	1
1257	}	2051	}
1258		2052
1259	sub find;	2053	sub find;
1260	sub find {	2054	sub find {
1261	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1262		2056
1263	#warn "find<$path,$origin>\n";#d#
1264
1265	$path = new cf::path $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		2058
1268	cf::lock_wait "map_find:$key";	2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1269
1270	$cf::MAP{$key} || do {
1271	my $guard = cf::lock_acquire "map_find:$key";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1272		2061
1273	# do it the slow way	2062	$cf::MAP{$path} || do {
1274	my $map = try_load_header $path->save_path;	2063	my $map = new_from_path cf::map $path
1275
1276	Coro::cede;
1277
1278	if ($map) {
1279	$map->last_access ((delete $map->{last_access})
1280	|| $cf::RUNTIME); #d#
1281	# safety
1282	$map->{instantiate_time} = $cf::RUNTIME
1283	if $map->{instantiate_time} > $cf::RUNTIME;
1284	} else {
1285	if (my $rmp = $path->random_map_params) {
1286	$map = generate_random_map $key, $rmp;
1287	} else {
1288	$map = try_load_header $path->load_path;
1289	}
1290
1291	$map or return;	2064	or return;
1292		2065
1293	$map->{load_original} = 1;
1294	$map->{instantiate_time} = $cf::RUNTIME;
1295	$map->last_access ($cf::RUNTIME);
1296	$map->instantiate;
1297
1298	# per-player maps become, after loading, normal maps
1299	$map->per_player (0) if $path->{user_rel};
1300	}
1301
1302	$map->path ($key);
1303	$map->{path} = $path;
1304	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1305		2067
1306	Coro::cede;	2068	$map->load_header
		2069	or return;
1307		2070
1308	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2072	# doing this can freeze the server in a sync job, obviously
		2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1309	$map->reset;	2076	$map->reset;
1310	undef $guard;
1311	$map = find $path	2077	return find $path;
1312	or return;
1313	}	2078	}
1314		2079
1315	$cf::MAP{$key} = $map	2080	$cf::MAP{$path} = $map
1316	}	2081	}
1317	}	2082	}
		2083
		2084	sub pre_load { }
		2085	#sub post_load { } # XS
1318		2086
1319	sub load {	2087	sub load {
1320	my ($self) = @_;	2088	my ($self) = @_;
1321		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1322	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2095	my $guard = cf::lock_acquire "map_data:$path";
1324		2096
		2097	return unless $self->valid;
1325	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1326		2099
1327	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1328		2101
1329	$self->alloc;	2102	$self->alloc;
1330	$self->load_objects ($self->{load_path}, 1)	2103
		2104	$self->pre_load;
		2105	cf::cede_to_tick;
		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1331	or return;	2110	or return;
1332		2111
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1334	if delete $self->{load_original};	2113	if delete $self->{load_original};
1335		2114
1336	if (my $uniq = $path->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	2116	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1339	$self->clear_unique_items;	2119	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1341	}	2123	}
1342	}	2124	}
1343		2125
1344	Coro::cede;	2126	$f->resolve_delayed_derefs;
1345		2127
		2128	cf::cede_to_tick;
1346	# now do the right thing for maps	2129	# now do the right thing for maps
1347	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1348
1349	if ($self->{path}->is_style_map) {
1350	$self->{deny_save} = 1;
1351	$self->{deny_reset} = 1;
1352	} else {
1353	$self->fix_auto_apply;
1354	$self->decay_objects;
1355	$self->update_buttons;
1356	$self->set_darkness_map;
1357	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	2132	unless $self->difficulty;
		2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1359	$self->activate;	2140	$self->activate;
1360	}	2141	}
1361		2142
1362	Coro::cede;	2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
1363		2145
1364	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
		2147	}
		2148
		2149	$self->post_load;
		2150	}
		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
		2155	sub customise_for {
		2156	my ($self, $ob) = @_;
		2157
		2158	return find "~" . $ob->name . "/" . $self->{path}
		2159	if $self->per_player;
		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
		2164	$self
		2165	}
		2166
		2167	# find and load all maps in the 3x3 area around a map
		2168	sub load_neighbours {
		2169	my ($map) = @_;
		2170
		2171	my @neigh; # diagonal neighbours
		2172
		2173	for (0 .. 3) {
		2174	my $neigh = $map->tile_path ($_)
		2175	or next;
		2176	$neigh = find $neigh, $map
		2177	or next;
		2178	$neigh->load;
		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
		2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2184	}
		2185
		2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
		2188	my $neigh = find $path, $origin
		2189	or next;
		2190	$neigh->load;
		2191	}
1365	}	2192	}
1366		2193
1367	sub find_sync {	2194	sub find_sync {
1368	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1369		2196
1370	cf::sync_job { cf::map::find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1371	}	2201	}
1372		2202
1373	sub do_load_sync {	2203	sub do_load_sync {
1374	my ($map) = @_;	2204	my ($map) = @_;
1375		2205
1376	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
		2210	}
		2211
		2212	our %MAP_PREFETCH;
		2213	our $MAP_PREFETCHER = undef;
		2214
		2215	sub find_async {
		2216	my ($path, $origin, $load) = @_;
		2217
		2218	$path = normalise $path, $origin && $origin->{path};
		2219
		2220	if (my $map = $cf::MAP{$path}) {
		2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2222	}
		2223
		2224	$MAP_PREFETCH{$path} |= $load;
		2225
		2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
		2229	while (%MAP_PREFETCH) {
		2230	while (my ($k, $v) = each %MAP_PREFETCH) {
		2231	if (my $map = find $k) {
		2232	$map->load if $v;
		2233	}
		2234
		2235	delete $MAP_PREFETCH{$k};
		2236	}
		2237	}
		2238	undef $MAP_PREFETCHER;
		2239	};
		2240	$MAP_PREFETCHER->prio (6);
		2241
		2242	()
		2243	}
		2244
		2245	# common code, used by both ->save and ->swapout
		2246	sub _save {
		2247	my ($self) = @_;
		2248
		2249	$self->{last_save} = $cf::RUNTIME;
		2250
		2251	return unless $self->dirty;
		2252
		2253	my $save = $self->save_path; utf8::encode $save;
		2254	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2255
		2256	$self->{load_path} = $save;
		2257
		2258	return if $self->{deny_save};
		2259
		2260	local $self->{last_access} = $self->last_access;#d#
		2261
		2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
		2264	$_->contr->save for $self->players;
		2265	};
		2266
		2267	cf::get_slot 0.02;
		2268
		2269	if ($uniq) {
		2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2272	} else {
		2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2274	}
1377	}	2275	}
1378		2276
1379	sub save {	2277	sub save {
1380	my ($self) = @_;	2278	my ($self) = @_;
1381		2279
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
1383		2281
1384	$self->{last_save} = $cf::RUNTIME;	2282	$self->_save;
1385
1386	return unless $self->dirty;
1387
1388	my $save = $self->{path}->save_path; utf8::encode $save;
1389	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1390
1391	$self->{load_path} = $save;
1392
1393	return if $self->{deny_save};
1394
1395	local $self->{last_access} = $self->last_access;#d#
1396
1397	cf::async {
1398	$_->contr->save for $self->players;
1399	};
1400
1401	if ($uniq) {
1402	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1403	$self->save_objects ($uniq, cf::IO_UNIQUES);
1404	} else {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1406	}
1407	}	2283	}
1408		2284
1409	sub swap_out {	2285	sub swap_out {
1410	my ($self) = @_;	2286	my ($self) = @_;
1411		2287
1412	# save first because save cedes
1413	$self->save;
1414
1415	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1416		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1417	return if $self->players;	2292	return if $self->players;
1418	return if $self->in_memory != cf::MAP_IN_MEMORY;
1419	return if $self->{deny_save};
1420		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1421	$self->clear;	2303	$self->clear;
1422	$self->in_memory (cf::MAP_SWAPPED);
1423	}	2304	}
1424		2305
1425	sub reset_at {	2306	sub reset_at {
1426	my ($self) = @_;	2307	my ($self) = @_;
1427		2308
1428	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};
1430	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1431		2311
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		2314
…		…
1439	my ($self) = @_;	2319	my ($self) = @_;
1440		2320
1441	$self->reset_at <= $cf::RUNTIME	2321	$self->reset_at <= $cf::RUNTIME
1442	}	2322	}
1443		2323
1444	sub unlink_save {
1445	my ($self) = @_;
1446
1447	utf8::encode (my $save = $self->{path}->save_path);
1448	aioreq_pri 3; IO::AIO::aio_unlink $save;
1449	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1450	}
1451
1452	sub rename {
1453	my ($self, $new_path) = @_;
1454
1455	$self->unlink_save;
1456
1457	delete $cf::MAP{$self->path};
1458	$self->{path} = new cf::path $new_path;
1459	$self->path ($self->{path}->as_string);
1460	$cf::MAP{$self->path} = $self;
1461
1462	$self->save;
1463	}
1464
1465	sub reset {	2324	sub reset {
1466	my ($self) = @_;	2325	my ($self) = @_;
1467		2326
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		2328
1470	return if $self->players;	2329	return if $self->players;
1471	return if $self->{path}{user_rel};#d#
1472		2330
1473	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1474		2342
1475	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1476		2344
		2345	$self->deactivate;
1477	$_->clear_links_to ($self) for values %cf::MAP;	2346	$_->clear_links_to ($self) for values %cf::MAP;
		2347	$self->clear;
1478		2348
1479	$self->unlink_save;	2349	$self->unlink_save;
1480	$self->destroy;	2350	$self->destroy;
1481	}	2351	}
1482		2352
1483	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1484		2354
1485	sub nuke {	2355	sub nuke {
1486	my ($self) = @_;	2356	my ($self) = @_;
1487		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
		2361	delete $cf::MAP{$self->path};
		2362
		2363	$self->unlink_save;
		2364
		2365	bless $self, "cf::map::wrap";
		2366	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2370
		2371	$cf::MAP{$self->path} = $self;
		2372	}
		2373
1491	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
1492	}	2375	}
1493		2376
1494	sub customise_for {	2377	=item $maps = cf::map::tmp_maps
1495	my ($map, $ob) = @_;
1496		2378
1497	if ($map->per_player) {	2379	Returns an arrayref with all map paths of currently instantiated and saved
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
1499	}	2385	[
1500		2386	map {
1501	$map	2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
1502	}	2393	}
1503		2394
1504	sub emergency_save {	2395	=item $maps = cf::map::random_maps
1505	my $freeze_guard = cf::freeze_mainloop;
1506		2396
1507	warn "enter emergency perl save\n";	2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
1508		2399
1509	cf::sync_job {	2400	=cut
1510	warn "begin emergency player save\n";
1511	$_->save for values %cf::PLAYER;
1512	warn "end emergency player save\n";
1513		2401
1514	warn "begin emergency map save\n";	2402	sub random_maps() {
1515	$_->save for values %cf::MAP;	2403	[
1516	warn "end emergency map save\n";	2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
		2411	}
		2412
		2413	=item cf::map::unique_maps
		2414
		2415	Returns an arrayref of paths of all shared maps that have
		2416	instantiated unique items. May block.
		2417
		2418	=cut
		2419
		2420	sub unique_maps() {
		2421	[
		2422	map {
		2423	utf8::decode $_;
		2424	s/\.map$//; # TODO future compatibility hack
		2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2426	? ()
		2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
		2429	]
		2430	}
		2431
		2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
1517	};	2459	}
1518		2460
1519	warn "leave emergency perl save\n";	2461	\@maps
		2462	}
		2463
		2464	=back
		2465
		2466	=head3 cf::object
		2467
		2468	=cut
		2469
		2470	package cf::object;
		2471
		2472	=over 4
		2473
		2474	=item $ob->inv_recursive
		2475
		2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
		2478
		2479	=cut
		2480
		2481	sub inv_recursive_;
		2482	sub inv_recursive_ {
		2483	map { $_, inv_recursive_ $_->inv } @_
		2484	}
		2485
		2486	sub inv_recursive {
		2487	inv_recursive_ inv $_[0]
		2488	}
		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
1520	}	2516	}
1521		2517
1522	package cf;	2518	package cf;
1523		2519
1524	=back	2520	=back
1525
1526		2521
1527	=head3 cf::object::player	2522	=head3 cf::object::player
1528		2523
1529	=over 4	2524	=over 4
1530		2525
…		…
1533	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1534	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1535	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1536		2531
1537	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1538		2547
1539	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1540	# with dialog boxes.	2549	# with dialog boxes.
1541	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1542	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1544		2553
1545	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1546		2555
1547	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1548	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1549	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1550	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1551	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1552	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1553	}	2581	}
1554		2582
1555	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1556		2584
1557	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1570		2598
1571	=item $player_object->enter_link	2599	=item $player_object->enter_link
1572		2600
1573	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1574		2602
1575	The player should be reaosnably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1576	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
		2607
		2608	Will never block.
1577		2609
1578	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1579		2611
1580	Moves the player out of the specila link map onto the given map. If the	2612	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	2613	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	2614	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	2615	fails, to the emergency map position.
1584		2616
1585	Might block.	2617	Might block.
1586		2618
1587	=cut	2619	=cut
		2620
		2621	sub link_map {
		2622	unless ($LINK_MAP) {
		2623	$LINK_MAP = cf::map::find "{link}"
		2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2625	$LINK_MAP->load;
		2626	}
		2627
		2628	$LINK_MAP
		2629	}
1588		2630
1589	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1590	my ($self) = @_;	2632	my ($self) = @_;
1591		2633
1592	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1593		2635
1594	return if $self->map == $LINK_MAP;	2636	++$self->{_link_recursion};
		2637
		2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		2639
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1598		2642
1599	$self->enter_map ($LINK_MAP, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1600	}	2644	}
1601		2645
1602	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1604		2650
1605	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1606		2652
1607	unless ($map) {	2653	unless ($map) {
1608	# restore original map position	2654	# restore original map position
…		…
1619	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1620	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1621		2667
1622	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1625		2671
1626	$map->load;	2672	$map->load;
		2673	$map->load_neighbours;
1627		2674
1628	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1629	$self->activate_recursive;	2682	$self->activate_recursive;
1630	$self->enter_map ($map, $x, $y);
1631	}
1632
1633	cf::player->attach (
1634	on_logout => sub {
1635	my ($pl) = @_;
1636
1637	# abort map switching before logout
1638	if ($pl->ob->{_link_pos}) {
1639	cf::sync_job {
1640	$pl->ob->leave_link
1641	};
1642	}
1643	},	2683	}
1644	on_login => sub {
1645	my ($pl) = @_;
1646		2684
1647	# try to abort aborted map switching on player login :)	2685	}
1648	# should happen only on crashes
1649	if ($pl->ob->{_link_pos}) {
1650	$pl->ob->enter_link;
1651	(async {
1652	# we need this sleep as the login has a concurrent enter_exit running
1653	# and this sleep increases chances of the player not ending up in scorn
1654	$pl->ob->reply (undef,
1655	"There was an internal problem at your last logout, "
1656	. "the server will try to bring you to your intended destination in a second.",
1657	cf::NDI_RED);
1658	Coro::Timer::sleep 1;
1659	$pl->ob->leave_link;
1660	})->prio (2);
1661	}
1662	},
1663	);
1664		2686
1665	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1666		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1667	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1668		2701
1669	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1670	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1671		2713
1672	$self->enter_link;	2714	$self->enter_link;
1673		2715
1674	(async {	2716	(async {
1675	$path = new cf::path $path;	2717	$Coro::current->{desc} = "player::goto $path $x $y";
1676		2718
1677	my $map = cf::map::find $path->as_string;	2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1678	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1679		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1681	# if $map;
1682
1683	$map or $map->cluck ("oy");#d#
1684	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1685		2747
		2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1687	})->prio (1);	2762	})->prio (1);
1688	}	2763	}
1689		2764
1690	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1691		2766
…		…
1693		2768
1694	sub parse_random_map_params {	2769	sub parse_random_map_params {
1695	my ($spec) = @_;	2770	my ($spec) = @_;
1696		2771
1697	my $rmp = { # defaults	2772	my $rmp = { # defaults
1698	xsize => 10,	2773	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2774	ysize => (cf::rndm 15, 40),
		2775	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2776	#layout => string,
1700	};	2777	};
1701		2778
1702	for (split /\n/, $spec) {	2779	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2780	my ($k, $v) = split /\s+/, $_, 2;
1704		2781
…		…
1716	# that depends on the exit object	2793	# that depends on the exit object
1717		2794
1718	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1719		2796
1720	if ($exit->map) {	2797	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1725	}	2804	}
1726		2805
1727	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1728		2807
1729	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1730	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
		2810	my $meta = "$RANDOMDIR/$md5.meta";
1731		2811
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
		2814	undef $fh;
		2815	aio_rename "$meta~", $meta;
1734		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1735	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1737	}	2823	}
1738	}	2824	}
1739		2825
1740	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1743	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1744		2830
1745	$self->enter_link;	2831	$self->enter_link;
1746		2832
1747	(async {	2833	(async {
1748	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1749	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
1750	prepare_random_map $exit	2843	prepare_random_map $exit
1751	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1752		2846
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1755		2850
		2851	$self->goto ($map, $x, $y);
		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1756	1;	2857	1
1757	}) {	2858	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1759	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2861	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2863
1763	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1764	$self->leave_link;	2865	$self->leave_link;
1765	}	2866	}
1766	})->prio (1);	2867	})->prio (1);
1767	}	2868	}
1768		2869
…		…
1779		2880
1780	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1782		2883
1783	utf8::encode $text;	2884	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2886	}
1786		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1787		3109
1788	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1789		3111
1790	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1791	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1792	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		3115
1794	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	3117	become reliable at some point in the future.
1796		3118
1797	=cut	3119	=cut
1798		3120
1799	sub cf::client::query {	3121	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	3130	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		3132
1811	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1813	}	3137	}
1814		3138
1815	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1816	on_reply => sub {	3145	on_reply => sub {
1817	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1818		3147
1819	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1820	# get handled first	3149	# get handled first
1821	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		3152
1824	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		3155
1826	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1827		3157
1828	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	3159	if (@$queue) {
…		…
1831	} else {	3161	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	3163	}
1834	}	3164	}
1835	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
1836	);	3192	);
1837		3193
1838	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1839		3195
1840	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
1856		3212
1857	$coro	3213	$coro
1858	}	3214	}
1859		3215
1860	cf::client->attach (	3216	cf::client->attach (
1861	on_destroy => sub {	3217	on_client_destroy => sub {
1862	my ($ns) = @_;	3218	my ($ns) = @_;
1863		3219
1864	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1865	},	3221	},
1866	);	3222	);
…		…
1881	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
1882	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
1883		3239
1884	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
1885		3241
1886	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
1887		3247
1888	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
1889		3249
1890	=pod	3250	=pod
1891		3251
1892	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
1893		3253
1894	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
1895	cf::object::player player	3259	cf::object::player
1896	cf::player peaceful	3260	player
1897	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
1898		3267
1899	=cut	3268	=cut
1900		3269
1901	for (	3270	for (
1902	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
1903	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
1904	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
1905	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
1906	) {	3277	) {
1907	no strict 'refs';
1908	my ($pkg, @funs) = @$_;	3278	my ($pkg, @funs) = @$_;
1909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3279	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1910	for @funs;	3280	for @funs;
1911	}	3281	}
1912		3282
…		…
1927		3297
1928	my $qcode = $code;	3298	my $qcode = $code;
1929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3299	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1930	$qcode =~ s/\n/\\n/g;	3300	$qcode =~ s/\n/\\n/g;
1931		3301
		3302	%vars = (_dummy => 0) unless %vars;
		3303
		3304	my @res;
1932	local $_;	3305	local $_;
1933	local @safe::cf::_safe_eval_args = values %vars;
1934		3306
1935	my $eval =	3307	my $eval =
1936	"do {\n"	3308	"do {\n"
1937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3309	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1938	. "#line 0 \"{$qcode}\"\n"	3310	. "#line 0 \"{$qcode}\"\n"
1939	. $code	3311	. $code
1940	. "\n}"	3312	. "\n}"
1941	;	3313	;
1942		3314
		3315	if ($CFG{safe_eval}) {
1943	sub_generation_inc;	3316	sub_generation_inc;
		3317	local @safe::cf::_safe_eval_args = values %vars;
1944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3318	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1945	sub_generation_inc;	3319	sub_generation_inc;
		3320	} else {
		3321	local @cf::_safe_eval_args = values %vars;
		3322	@res = wantarray ? eval eval : scalar eval $eval;
		3323	}
1946		3324
1947	if ($@) {	3325	if ($@) {
1948	warn "$@";	3326	warn "$@",
1949	warn "while executing safe code '$code'\n";	3327	"while executing safe code '$code'\n",
1950	warn "with arguments " . (join " ", %vars) . "\n";	3328	"with arguments " . (join " ", %vars) . "\n";
1951	}	3329	}
1952		3330
1953	wantarray ? @res : $res[0]	3331	wantarray ? @res : $res[0]
1954	}	3332	}
1955		3333
…		…
1969	=cut	3347	=cut
1970		3348
1971	sub register_script_function {	3349	sub register_script_function {
1972	my ($fun, $cb) = @_;	3350	my ($fun, $cb) = @_;
1973		3351
1974	no strict 'refs';	3352	$fun = "safe::$fun" if $CFG{safe_eval};
1975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3353	*$fun = $safe_hole->wrap ($cb);
1976	}	3354	}
1977		3355
1978	=back	3356	=back
1979		3357
1980	=cut	3358	=cut
1981		3359
1982	#############################################################################	3360	#############################################################################
		3361	# the server's init and main functions
1983		3362
1984	=head2 EXTENSION DATABASE SUPPORT	3363	# async inc loader. yay.
		3364	sub inc_loader {
		3365	my $mod = $_[1];
1985		3366
1986	Crossfire maintains a very simple database for extension use. It can	3367	if (in_main && !tick_inhibit) {
1987	currently store anything that can be serialised using Storable, which	3368	Carp::cluck "ERROR: attempted synchronous perl module load ($mod)";
1988	excludes objects.	3369	} else {
1989		3370	debug "loading perl module $mod\n";
1990	The parameter C<$family> should best start with the name of the extension
1991	using it, it should be unique.
1992
1993	=over 4
1994
1995	=item $hashref = cf::db_get $family
1996
1997	Return a hashref for use by the extension C<$family>, which can be
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000
2001	=item $value = cf::db_get $family => $key
2002
2003	Returns a single value from the database
2004
2005	=item cf::db_put $family => $hashref
2006
2007	Stores the given family hashref into the database. Updates are delayed, if
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2009
2010	=item cf::db_put $family => $key => $value
2011
2012	Stores the given C<$value> in the family hash. Updates are delayed, if you
2013	want the data to be synced to disk immediately, use C<cf::db_sync>.
2014
2015	=item cf::db_dirty
2016
2017	Marks the database as dirty, to be updated at a later time.
2018
2019	=item cf::db_sync
2020
2021	Immediately write the database to disk I<if it is dirty>.
2022
2023	=cut
2024
2025	our $DB;
2026
2027	{
2028	my $path = cf::localdir . "/database.pst";
2029
2030	sub db_load() {
2031	$DB = stat $path ? Storable::retrieve $path : { };
2032	}	3371	}
2033		3372
2034	my $pid;	3373	# 1. find real file
		3374	for my $dir (@ORIG_INC) {
		3375	ref $dir and next;
		3376	0 <= Coro::AIO::aio_load "$dir/$mod", my $data
		3377	or next;
2035		3378
2036	sub db_save() {	3379	$data = "#line 1 $dir/$mod\n$data";
2037	waitpid $pid, 0 if $pid;
2038	if (0 == ($pid = fork)) {
2039	$DB->{_meta}{version} = 1;
2040	Storable::nstore $DB, "$path~";
2041	rename "$path~", $path;
2042	cf::_exit 0 if defined $pid;
2043	}
2044	}
2045		3380
2046	my $dirty;	3381	open my $fh, "<", \$data or die;
2047		3382
2048	sub db_sync() {	3383	return $fh;
2049	db_save if $dirty;
2050	undef $dirty;
2051	}	3384	}
2052		3385
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {	3386	()
2054	db_sync;	3387	}
		3388
		3389	sub init_inc {
		3390	# save original @INC
		3391	@ORIG_INC = ($LIBDIR, @INC) unless @ORIG_INC;
		3392
		3393	# make sure we can do scalar-opens
		3394	open my $dummy, "<", \my $dummy2;
		3395
		3396	# execute some stuff so perl load's some of the core modules
		3397	/Ü/ =~ /ü/i;
		3398	eval { &Storable::nstore_fd };
		3399
		3400	@INC = (\&inc_loader, @ORIG_INC); # @ORIG_INC is needed for DynaLoader, AutoLoad etc.
		3401
		3402	debug "module loading will be asynchronous from this point on.";
		3403	}
		3404
		3405	sub load_facedata($) {
		3406	my ($path) = @_;
		3407
		3408	# HACK to clear player env face cache, we need some signal framework
		3409	# for this (global event?)
		3410	%ext::player_env::MUSIC_FACE_CACHE = ();
		3411
		3412	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3413
		3414	trace "loading facedata from $path\n";
		3415
		3416	my $facedata;
		3417	0 < aio_load $path, $facedata
		3418	or die "$path: $!";
		3419
		3420	$facedata = Coro::Storable::thaw $facedata;
		3421
		3422	$facedata->{version} == 2
		3423	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3424
		3425	# patch in the exptable
		3426	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
		3427	$facedata->{resource}{"res/exp_table"} = {
		3428	type => FT_RSRC,
		3429	data => $exp_table,
		3430	hash => (Digest::MD5::md5 $exp_table),
2055	});	3431	};
		3432	cf::cede_to_tick;
2056		3433
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}	3434	{
		3435	my $faces = $facedata->{faceinfo};
2061		3436
2062	sub db_get($;$) {	3437	while (my ($face, $info) = each %$faces) {
2063	@_ >= 2	3438	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		3439
2068	sub db_put($$;$) {	3440	cf::face::set_visibility $idx, $info->{visibility};
2069	if (@_ >= 3) {	3441	cf::face::set_magicmap $idx, $info->{magicmap};
2070	$DB->{$_[0]}{$_[1]} = $_[2];	3442	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2071	} else {	3443	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		3444
2077	cf::global->attach (	3445	cf::cede_to_tick;
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	3446	}
2082	);
2083	}
2084		3447
2085	#############################################################################	3448	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	3449	next unless $info->{smooth};
2087		3450
2088	sub cfg_load {	3451	my $idx = cf::face::find $face
		3452	or next;
		3453
		3454	if (my $smooth = cf::face::find $info->{smooth}) {
		3455	cf::face::set_smooth $idx, $smooth;
		3456	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3457	} else {
		3458	error "smooth face '$info->{smooth}' not found for face '$face'";
		3459	}
		3460
		3461	cf::cede_to_tick;
		3462	}
		3463	}
		3464
		3465	{
		3466	my $anims = $facedata->{animinfo};
		3467
		3468	while (my ($anim, $info) = each %$anims) {
		3469	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3470	cf::cede_to_tick;
		3471	}
		3472
		3473	cf::anim::invalidate_all; # d'oh
		3474	}
		3475
		3476	{
		3477	my $res = $facedata->{resource};
		3478
		3479	while (my ($name, $info) = each %$res) {
		3480	if (defined $info->{type}) {
		3481	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3482
		3483	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3484	cf::face::set_type $idx, $info->{type};
		3485	} else {
		3486	$RESOURCE{$name} = $info; # unused
		3487	}
		3488
		3489	cf::cede_to_tick;
		3490	}
		3491	}
		3492
		3493	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3494
		3495	1
		3496	}
		3497
		3498	register_exticmd fx_want => sub {
		3499	my ($ns, $want) = @_;
		3500
		3501	while (my ($k, $v) = each %$want) {
		3502	$ns->fx_want ($k, $v);
		3503	}
		3504	};
		3505
		3506	sub load_resource_file($) {
		3507	my $guard = lock_acquire "load_resource_file";
		3508
		3509	my $status = load_resource_file_ $_[0];
		3510	get_slot 0.1, 100;
		3511	cf::arch::commit_load;
		3512
		3513	$status
		3514	}
		3515
		3516	sub reload_regions {
		3517	# HACK to clear player env face cache, we need some signal framework
		3518	# for this (global event?)
		3519	%ext::player_env::MUSIC_FACE_CACHE = ();
		3520
		3521	load_resource_file "$MAPDIR/regions"
		3522	or die "unable to load regions file\n";
		3523
		3524	for (cf::region::list) {
		3525	$_->{match} = qr/$_->{match}/
		3526	if exists $_->{match};
		3527	}
		3528	}
		3529
		3530	sub reload_facedata {
		3531	load_facedata "$DATADIR/facedata"
		3532	or die "unable to load facedata\n";
		3533	}
		3534
		3535	sub reload_archetypes {
		3536	load_resource_file "$DATADIR/archetypes"
		3537	or die "unable to load archetypes\n";
		3538	}
		3539
		3540	sub reload_treasures {
		3541	load_resource_file "$DATADIR/treasures"
		3542	or die "unable to load treasurelists\n";
		3543	}
		3544
		3545	sub reload_sound {
		3546	trace "loading sound config from $DATADIR/sound\n";
		3547
		3548	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3549	or die "$DATADIR/sound $!";
		3550
		3551	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3552
		3553	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3554	my $sound = $soundconf->{compat}[$_]
		3555	or next;
		3556
		3557	my $face = cf::face::find "sound/$sound->[1]";
		3558	cf::sound::set $sound->[0] => $face;
		3559	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3560	}
		3561
		3562	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3563	my $face = cf::face::find "sound/$v";
		3564	cf::sound::set $k => $face;
		3565	}
		3566	}
		3567
		3568	sub reload_resources {
		3569	trace "reloading resource files...\n";
		3570
		3571	reload_facedata;
		3572	reload_sound;
		3573	reload_archetypes;
		3574	reload_regions;
		3575	reload_treasures;
		3576
		3577	trace "finished reloading resource files\n";
		3578	}
		3579
		3580	sub reload_config {
		3581	trace "reloading config file...\n";
		3582
2089	open my $fh, "<:utf8", cf::confdir . "/config"	3583	open my $fh, "<:utf8", "$CONFDIR/config"
2090	or return;	3584	or return;
2091		3585
2092	local $/;	3586	local $/;
2093	*CFG = YAML::Syck::Load <$fh>;	3587	*CFG = YAML::XS::Load scalar <$fh>;
2094		3588
2095	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3589	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2096		3590
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3591	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3592	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		3593
2100	if (exists $CFG{mlockall}) {	3594	if (exists $CFG{mlockall}) {
…		…
2102	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3596	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103	and die "WARNING: m(un)lockall failed: $!\n";	3597	and die "WARNING: m(un)lockall failed: $!\n";
2104	};	3598	};
2105	warn $@ if $@;	3599	warn $@ if $@;
2106	}	3600	}
		3601
		3602	trace "finished reloading resource files\n";
		3603	}
		3604
		3605	sub pidfile() {
		3606	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3607	or die "$PIDFILE: $!";
		3608	flock $fh, &Fcntl::LOCK_EX
		3609	or die "$PIDFILE: flock: $!";
		3610	$fh
		3611	}
		3612
		3613	# make sure only one server instance is running at any one time
		3614	sub atomic {
		3615	my $fh = pidfile;
		3616
		3617	my $pid = <$fh>;
		3618	kill 9, $pid if $pid > 0;
		3619
		3620	seek $fh, 0, 0;
		3621	print $fh $$;
		3622	}
		3623
		3624	sub main_loop {
		3625	trace "EV::loop starting\n";
		3626	if (1) {
		3627	EV::loop;
		3628	}
		3629	trace "EV::loop returned\n";
		3630	goto &main_loop unless $REALLY_UNLOOP;
2107	}	3631	}
2108		3632
2109	sub main {	3633	sub main {
		3634	cf::init_globals; # initialise logging
		3635
		3636	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3637	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3638	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3639	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3640
		3641	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3642
2110	# we must not ever block the main coroutine	3643	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	3644	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3645	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2113	async { Event::one_event };	3646	(async {
		3647	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3648	EV::loop EV::LOOP_ONESHOT;
		3649	})->prio (Coro::PRIO_MAX);
2114	};	3650	};
2115		3651
2116	cfg_load;	3652	evthread_start IO::AIO::poll_fileno;
2117	db_load;	3653
		3654	cf::sync_job {
		3655	init_inc;
		3656
		3657	cf::init_experience;
		3658	cf::init_anim;
		3659	cf::init_attackmess;
		3660	cf::init_dynamic;
		3661
		3662	cf::load_settings;
		3663	cf::load_materials;
		3664
		3665	reload_resources;
		3666	reload_config;
		3667	db_init;
		3668
		3669	cf::init_uuid;
		3670	cf::init_signals;
		3671	cf::init_skills;
		3672
		3673	cf::init_beforeplay;
		3674
		3675	atomic;
		3676
2118	load_extensions;	3677	load_extensions;
2119	Event::loop;	3678
		3679	utime time, time, $RUNTIMEFILE;
		3680
		3681	# no (long-running) fork's whatsoever before this point(!)
		3682	use POSIX ();
		3683	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3684
		3685	(pop @POST_INIT)->(0) while @POST_INIT;
		3686	};
		3687
		3688	cf::object::thawer::errors_are_fatal 0;
		3689	info "parse errors in files are no longer fatal from this point on.\n";
		3690
		3691	my $free_main; $free_main = EV::idle sub {
		3692	undef $free_main;
		3693	undef &main; # free gobs of memory :)
		3694	};
		3695
		3696	goto &main_loop;
2120	}	3697	}
2121		3698
2122	#############################################################################	3699	#############################################################################
2123	# initialisation	3700	# initialisation and cleanup
2124		3701
		3702	# install some emergency cleanup handlers
		3703	BEGIN {
		3704	our %SIGWATCHER = ();
		3705	for my $signal (qw(INT HUP TERM)) {
		3706	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3707	cf::cleanup "SIG$signal";
		3708	};
		3709	}
		3710	}
		3711
		3712	sub write_runtime_sync {
		3713	my $t0 = AE::time;
		3714
		3715	# first touch the runtime file to show we are still running:
		3716	# the fsync below can take a very very long time.
		3717
		3718	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3719
		3720	my $guard = cf::lock_acquire "write_runtime";
		3721
		3722	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3723	or return;
		3724
		3725	my $value = $cf::RUNTIME + 90 + 10;
		3726	# 10 is the runtime save interval, for a monotonic clock
		3727	# 60 allows for the watchdog to kill the server.
		3728
		3729	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3730	and return;
		3731
		3732	# always fsync - this file is important
		3733	aio_fsync $fh
		3734	and return;
		3735
		3736	# touch it again to show we are up-to-date
		3737	aio_utime $fh, undef, undef;
		3738
		3739	close $fh
		3740	or return;
		3741
		3742	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3743	and return;
		3744
		3745	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3746
		3747	1
		3748	}
		3749
		3750	our $uuid_lock;
		3751	our $uuid_skip;
		3752
		3753	sub write_uuid_sync($) {
		3754	$uuid_skip ||= $_[0];
		3755
		3756	return if $uuid_lock;
		3757	local $uuid_lock = 1;
		3758
		3759	my $uuid = "$LOCALDIR/uuid";
		3760
		3761	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3762	or return;
		3763
		3764	my $value = uuid_seq uuid_cur;
		3765
		3766	unless ($value) {
		3767	info "cowardly refusing to write zero uuid value!\n";
		3768	return;
		3769	}
		3770
		3771	my $value = uuid_str $value + $uuid_skip;
		3772	$uuid_skip = 0;
		3773
		3774	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3775	and return;
		3776
		3777	# always fsync - this file is important
		3778	aio_fsync $fh
		3779	and return;
		3780
		3781	close $fh
		3782	or return;
		3783
		3784	aio_rename "$uuid~", $uuid
		3785	and return;
		3786
		3787	trace "uuid file written ($value).\n";
		3788
		3789	1
		3790
		3791	}
		3792
		3793	sub write_uuid($$) {
		3794	my ($skip, $sync) = @_;
		3795
		3796	$sync ? write_uuid_sync $skip
		3797	: async { write_uuid_sync $skip };
		3798	}
		3799
		3800	sub emergency_save() {
		3801	my $freeze_guard = cf::freeze_mainloop;
		3802
		3803	info "emergency_perl_save: enter\n";
		3804
		3805	# this is a trade-off: we want to be very quick here, so
		3806	# save all maps without fsync, and later call a global sync
		3807	# (which in turn might be very very slow)
		3808	local $USE_FSYNC = 0;
		3809
		3810	cf::sync_job {
		3811	cf::write_runtime_sync; # external watchdog should not bark
		3812
		3813	# use a peculiar iteration method to avoid tripping on perl
		3814	# refcount bugs in for. also avoids problems with players
		3815	# and maps saved/destroyed asynchronously.
		3816	info "emergency_perl_save: begin player save\n";
		3817	for my $login (keys %cf::PLAYER) {
		3818	my $pl = $cf::PLAYER{$login} or next;
		3819	$pl->valid or next;
		3820	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3821	$pl->save;
		3822	}
		3823	info "emergency_perl_save: end player save\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	info "emergency_perl_save: begin map save\n";
		3828	for my $path (keys %cf::MAP) {
		3829	my $map = $cf::MAP{$path} or next;
		3830	$map->valid or next;
		3831	$map->save;
		3832	}
		3833	info "emergency_perl_save: end map save\n";
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	info "emergency_perl_save: begin database checkpoint\n";
		3838	BDB::db_env_txn_checkpoint $DB_ENV;
		3839	info "emergency_perl_save: end database checkpoint\n";
		3840
		3841	info "emergency_perl_save: begin write uuid\n";
		3842	write_uuid_sync 1;
		3843	info "emergency_perl_save: end write uuid\n";
		3844
		3845	cf::write_runtime_sync; # external watchdog should not bark
		3846
		3847	trace "emergency_perl_save: syncing database to disk";
		3848	BDB::db_env_txn_checkpoint $DB_ENV;
		3849
		3850	info "emergency_perl_save: starting sync\n";
		3851	IO::AIO::aio_sync sub {
		3852	info "emergency_perl_save: finished sync\n";
		3853	};
		3854
		3855	cf::write_runtime_sync; # external watchdog should not bark
		3856
		3857	trace "emergency_perl_save: flushing outstanding aio requests";
		3858	while (IO::AIO::nreqs || BDB::nreqs) {
		3859	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3860	}
		3861
		3862	cf::write_runtime_sync; # external watchdog should not bark
		3863	};
		3864
		3865	info "emergency_perl_save: leave\n";
		3866	}
		3867
		3868	sub post_cleanup {
		3869	my ($make_core) = @_;
		3870
		3871	IO::AIO::flush;
		3872
		3873	error Carp::longmess "post_cleanup backtrace"
		3874	if $make_core;
		3875
		3876	my $fh = pidfile;
		3877	unlink $PIDFILE if <$fh> == $$;
		3878	}
		3879
		3880	# a safer delete_package, copied from Symbol
		3881	sub clear_package($) {
		3882	my $pkg = shift;
		3883
		3884	# expand to full symbol table name if needed
		3885	unless ($pkg =~ /^main::.*::$/) {
		3886	$pkg = "main$pkg" if $pkg =~ /^::/;
		3887	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3888	$pkg .= '::' unless $pkg =~ /::$/;
		3889	}
		3890
		3891	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3892	my $stem_symtab = *{$stem}{HASH};
		3893
		3894	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3895	or return;
		3896
		3897	# clear all symbols
		3898	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3899	for my $name (keys %$leaf_symtab) {
		3900	_gv_clear *{"$pkg$name"};
		3901	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3902	}
		3903	}
		3904
2125	sub reload() {	3905	sub do_reload_perl() {
2126	# can/must only be called in main	3906	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	3907	if (in_main) {
2128	warn "can only reload from main coroutine\n";	3908	error "can only reload from main coroutine";
2129	return;	3909	return;
2130	}	3910	}
2131		3911
		3912	return if $RELOAD++;
		3913
		3914	my $t1 = AE::time;
		3915
		3916	while ($RELOAD) {
2132	warn "reloading...";	3917	info "reloading...";
2133		3918
2134	my $guard = freeze_mainloop;	3919	trace "entering sync_job";
		3920
		3921	cf::sync_job {
2135	cf::emergency_save;	3922	cf::emergency_save;
2136		3923
2137	eval {
2138	# if anything goes wrong in here, we should simply crash as we already saved
2139
2140	# cancel all watchers
2141	for (Event::all_watchers) {
2142	$_->cancel if $_->data & WF_AUTOCANCEL;
2143	}
2144
2145	# cancel all extension coros	3924	trace "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	3925	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	3926	%EXT_CORO = ();
2148		3927
2149	# unload all extensions	3928	trace "removing commands";
2150	for (@exts) {	3929	%COMMAND = ();
2151	warn "unloading <$_>";
2152	unload_extension $_;
2153	}
2154		3930
2155	# unload all modules loaded from $LIBDIR	3931	trace "removing ext/exti commands";
2156	while (my ($k, $v) = each %INC) {	3932	%EXTCMD = ();
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3933	%EXTICMD = ();
2158		3934
2159	warn "removing <$k>";	3935	trace "unloading/nuking all extensions";
2160	delete $INC{$k};	3936	for my $pkg (@EXTS) {
		3937	trace "... unloading $pkg";
2161		3938
2162	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;
2164
2165	if (my $cb = $k->can ("unload_module")) {	3939	if (my $cb = $pkg->can ("unload")) {
		3940	eval {
2166	$cb->();	3941	$cb->($pkg);
		3942	1
		3943	} or error "$pkg unloaded, but with errors: $@";
		3944	}
		3945
		3946	trace "... clearing $pkg";
		3947	clear_package $pkg;
2167	}	3948	}
2168		3949
2169	Symbol::delete_package $k;	3950	trace "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 $k;
2170	}	3965	}
2171		3966
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	3967	trace "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	3968	clear_package "safe::$_"
2178	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);
2179		3970
2180	# remove register_script_function callbacks	3971	trace "unloading cf.pm \"a bit\"";
2181	# TODO
2182
2183	# unload cf.pm "a bit"
2184	delete $INC{"cf.pm"};	3972	delete $INC{"cf.pm"};
		3973	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2185		3974
2186	# don't, removes xs symbols, too,	3975	# don't, removes xs symbols, too,
2187	# and global variables created in xs	3976	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	3977	#clear_package __PACKAGE__;
2189		3978
2190	# reload cf.pm	3979	info "unload completed, starting to reload now";
		3980
2191	warn "reloading cf.pm";	3981	trace "reloading cf.pm";
2192	require cf;	3982	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3983	cf::_connect_to_perl_1;
2194		3984
2195	# load config and database again	3985	trace "loading config and database again";
2196	cf::cfg_load;	3986	cf::reload_config;
2197	cf::db_load;
2198		3987
2199	# load extensions
2200	warn "load extensions";	3988	trace "loading extensions";
2201	cf::load_extensions;	3989	cf::load_extensions;
2202		3990
2203	# reattach attachments to objects	3991	if ($REATTACH_ON_RELOAD) {
2204	warn "reattach";	3992	trace "reattaching attachments to objects/players";
2205	_global_reattach;	3993	_global_reattach; # objects, sockets
		3994	trace "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3995	reattach $_ for values %MAP;
		3996	trace "reattaching attachments to players";
		3997	reattach $_ for values %PLAYER;
		3998	}
		3999
		4000	trace "running post_init jobs";
		4001	(pop @POST_INIT)->(1) while @POST_INIT;
		4002
		4003	trace "leaving sync_job";
		4004
		4005	1
		4006	} or do {
		4007	error $@;
		4008	cf::cleanup "error while reloading, exiting.";
		4009	};
		4010
		4011	info "reloaded";
		4012	--$RELOAD;
		4013	}
		4014
		4015	$t1 = AE::time - $t1;
		4016	info "reload completed in ${t1}s\n";
		4017	};
		4018
		4019	our $RELOAD_WATCHER; # used only during reload
		4020
		4021	sub reload_perl() {
		4022	# doing reload synchronously and two reloads happen back-to-back,
		4023	# coro crashes during coro_state_free->destroy here.
		4024
		4025	$RELOAD_WATCHER ||= cf::async {
		4026	Coro::AIO::aio_wait cache_extensions;
		4027
		4028	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4029	do_reload_perl;
		4030	undef $RELOAD_WATCHER;
		4031	};
2207	};	4032	};
2208
2209	if ($@) {
2210	warn $@;
2211	warn "error while reloading, exiting.";
2212	exit 1;
2213	}
2214
2215	warn "reloaded successfully";
2216	};
2217
2218	#############################################################################
2219
2220	unless ($LINK_MAP) {
2221	$LINK_MAP = cf::map::new;
2222
2223	$LINK_MAP->width (41);
2224	$LINK_MAP->height (41);
2225	$LINK_MAP->alloc;
2226	$LINK_MAP->path ("{link}");
2227	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2228	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2229
2230	# dirty hack because... archetypes are not yet loaded
2231	Event->timer (
2232	after => 10,
2233	cb => sub {
2234	$_[0]->w->cancel;
2235
2236	# provide some exits "home"
2237	my $exit = cf::object::new "exit";
2238
2239	$exit->slaying ($EMERGENCY_POSITION->[0]);
2240	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2241	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2242
2243	$LINK_MAP->insert ($exit->clone, 19, 19);
2244	$LINK_MAP->insert ($exit->clone, 19, 20);
2245	$LINK_MAP->insert ($exit->clone, 19, 21);
2246	$LINK_MAP->insert ($exit->clone, 20, 19);
2247	$LINK_MAP->insert ($exit->clone, 20, 21);
2248	$LINK_MAP->insert ($exit->clone, 21, 19);
2249	$LINK_MAP->insert ($exit->clone, 21, 20);
2250	$LINK_MAP->insert ($exit->clone, 21, 21);
2251
2252	$exit->destroy;
2253	});
2254
2255	$LINK_MAP->{deny_save} = 1;
2256	$LINK_MAP->{deny_reset} = 1;
2257
2258	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259	}	4033	}
2260
2261	register "<global>", __PACKAGE__;
2262		4034
2263	register_command "reload" => sub {	4035	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	4036	my ($who, $arg) = @_;
2265		4037
2266	if ($who->flag (FLAG_WIZ)) {	4038	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	4039	$who->message ("reloading server.");
		4040	async {
		4041	$Coro::current->{desc} = "perl_reload";
		4042	reload_perl;
		4043	};
2270	}	4044	}
2271	};	4045	};
2272		4046
2273	unshift @INC, $LIBDIR;	4047	#############################################################################
2274		4048
2275	$TICK_WATCHER = Event->timer (	4049	my $bug_warning = 0;
2276	reentrant => 0,	4050
2277	prio => 0,	4051	our @WAIT_FOR_TICK;
2278	at => $NEXT_TICK || $TICK,	4052	our @WAIT_FOR_TICK_BEGIN;
2279	data => WF_AUTOCANCEL,	4053
2280	cb => sub {	4054	sub wait_for_tick {
		4055	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4056
		4057	my $signal = new Coro::Signal;
		4058	push @WAIT_FOR_TICK, $signal;
		4059	$signal->wait;
		4060	}
		4061
		4062	sub wait_for_tick_begin {
		4063	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4064
		4065	my $signal = new Coro::Signal;
		4066	push @WAIT_FOR_TICK_BEGIN, $signal;
		4067	$signal->wait;
		4068	}
		4069
		4070	sub tick {
		4071	if ($Coro::current != $Coro::main) {
		4072	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4073	unless ++$bug_warning > 10;
		4074	return;
		4075	}
		4076
2281	cf::server_tick; # one server iteration	4077	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;
2284		4078
2285	# if we are delayed by four ticks or more, skip them all	4079	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2286	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287		4080
2288	$TICK_WATCHER->at ($NEXT_TICK);	4081	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2289	$TICK_WATCHER->start;	4082	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2290	},	4083	Coro::async_pool {
2291	);	4084	$Coro::current->{desc} = "runtime saver";
2292
2293	IO::AIO::max_poll_time $TICK * 0.2;
2294
2295	Event->io (
2296	fd => IO::AIO::poll_fileno,
2297	poll => 'r',
2298	prio => 5,
2299	data => WF_AUTOCANCEL,
2300	cb => \&IO::AIO::poll_cb,
2301	);
2302
2303	Event->timer (
2304	data => WF_AUTOCANCEL,
2305	after => 0,
2306	interval => 10,
2307	cb => sub {
2308	(Coro::unblock_sub {
2309	write_runtime	4085	write_runtime_sync
2310	or warn "ERROR: unable to write runtime file: $!";	4086	or error "ERROR: unable to write runtime file: $!";
2311	})->();	4087	};
2312	},	4088	}
2313	);	4089
		4090	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4091	$sig->send;
		4092	}
		4093	while (my $sig = shift @WAIT_FOR_TICK) {
		4094	$sig->send;
		4095	}
		4096
		4097	$LOAD = ($NOW - $TICK_START) / $TICK;
		4098	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4099
		4100	if (0) {
		4101	if ($NEXT_TICK) {
		4102	my $jitter = $TICK_START - $NEXT_TICK;
		4103	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4104	debug "jitter $JITTER\n";#d#
		4105	}
		4106	}
		4107	}
		4108
		4109	{
		4110	# configure BDB
		4111
		4112	BDB::min_parallel 16;
		4113	BDB::max_poll_reqs $TICK * 0.1;
		4114	$AnyEvent::BDB::WATCHER->priority (1);
		4115
		4116	unless ($DB_ENV) {
		4117	$DB_ENV = BDB::db_env_create;
		4118	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4119	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4120	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4121	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4122	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4123
		4124	cf::sync_job {
		4125	eval {
		4126	BDB::db_env_open
		4127	$DB_ENV,
		4128	$BDBDIR,
		4129	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4130	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4131	0666;
		4132
		4133	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4134	};
		4135
		4136	cf::cleanup "db_env_open(db): $@" if $@;
		4137	};
		4138	}
		4139
		4140	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4141	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4142	};
		4143	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4144	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4145	};
		4146	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4147	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4148	};
		4149	}
		4150
		4151	{
		4152	# configure IO::AIO
		4153
		4154	IO::AIO::min_parallel 8;
		4155	IO::AIO::max_poll_time $TICK * 0.1;
		4156	undef $AnyEvent::AIO::WATCHER;
		4157	}
		4158
		4159	my $_log_backtrace;
		4160
		4161	sub _log_backtrace {
		4162	my ($msg, @addr) = @_;
		4163
		4164	$msg =~ s/\n//;
		4165
		4166	# limit the # of concurrent backtraces
		4167	if ($_log_backtrace < 2) {
		4168	++$_log_backtrace;
		4169	my $perl_bt = Carp::longmess $msg;
		4170	async {
		4171	$Coro::current->{desc} = "abt $msg";
		4172
		4173	my @bt = fork_call {
		4174	@addr = map { sprintf "%x", $_ } @addr;
		4175	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4176	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4177	or die "addr2line: $!";
		4178
		4179	my @funcs;
		4180	my @res = <$fh>;
		4181	chomp for @res;
		4182	while (@res) {
		4183	my ($func, $line) = splice @res, 0, 2, ();
		4184	push @funcs, "[$func] $line";
		4185	}
		4186
		4187	@funcs
		4188	};
		4189
		4190	LOG llevInfo, "[ABT] $perl_bt\n";
		4191	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4192	LOG llevInfo, "[ABT] $_\n" for @bt;
		4193	--$_log_backtrace;
		4194	};
		4195	} else {
		4196	LOG llevInfo, "[ABT] $msg\n";
		4197	LOG llevInfo, "[ABT] [suppressed]\n";
		4198	}
		4199	}
		4200
		4201	# load additional modules
		4202	require "cf/$_.pm" for @EXTRA_MODULES;
		4203	cf::_connect_to_perl_2;
2314		4204
2315	END { cf::emergency_save }	4205	END { cf::emergency_save }
2316		4206
2317	1	4207	1
2318		4208

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