ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.150 by root, Mon Jan 8 19:25:53 2007 UTC vs.
Revision 1.549 by root, Tue May 11 13:19:59 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
3	use utf8;	25	use common::sense;
4	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
		35	use Carp ();
12		36
		37	use Guard ();
13	use Coro 3.3 ();	38	use Coro ();
		39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
14	use Coro::Event;	42	use Coro::AnyEvent;
15	use Coro::Timer;	43	use Coro::Timer;
16	use Coro::Signal;	44	use Coro::Signal;
17	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
18	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
		50	use Coro::Storable;
		51	use Coro::Util ();
19		52
20	use Digest::MD5;	53	use JSON::XS 2.01 ();
		54	use BDB ();
		55	use Data::Dumper;
21	use Fcntl;	56	use Fcntl;
22	use IO::AIO 2.32 ();
23	use YAML::Syck ();	57	use YAML::XS ();
		58	use IO::AIO ();
24	use Time::HiRes;	59	use Time::HiRes;
		60	use Compress::LZF;
		61	use Digest::MD5 ();
25		62
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	63	AnyEvent::detect;
27		64
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	65	# configure various modules to our taste
29	$YAML::Syck::ImplicitUnicode = 1;	66	#
		67	$Storable::canonical = 1; # reduce rsync transfers
		68	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
30		69
31	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	70	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		71
		72	# make sure c-lzf reinitialises itself
		73	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		74	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		75
		76	# strictly for debugging
		77	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
		78
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	79	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		80
		81	our @ORIG_INC;
34		82
35	our %COMMAND = ();	83	our %COMMAND = ();
36	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
		85
		86	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
		89	our %EXT_CORO = (); # coroutines bound to extensions
		90	our %EXT_MAP = (); # pluggable maps
38		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
39	our @EVENT;	93	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
41		96
42	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
43	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	121	our $NEXT_TICK;
45	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript incloader);
46		130
47	our %CFG;	131	our %CFG;
48		132
49	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
51		136
52	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
53	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
54	our $LINK_MAP; # the special {link} map	139	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	140
56	our %EXT_CORO; # coroutines bound to extensions	141	# used to convert map paths into valid unix filenames by replacing / by ∕
		142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
57		153
58	binmode STDOUT;	154	binmode STDOUT;
59	binmode STDERR;	155	binmode STDERR;
60		156
61	# read virtual server time, if available	157	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
63	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
64	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
65	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
66	}	162	}
67		163
68	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
69	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		165
74	# a special map that is always available	166	mkdir $_
75	our $LINK_MAP;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
		168
76	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
77		187
78	#############################################################################	188	#############################################################################
79		189
80	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
81		191
…		…
88	=item $cf::RUNTIME	198	=item $cf::RUNTIME
89		199
90	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
91	every server tick.	201	every server tick.
92		202
93	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
94		206
95	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
96	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
97		211
98	=item $cf::NOW	212	=item $cf::NOW
99		213
100	The time of the last (current) server tick.	214	The time of the last (current) server tick.
101		215
102	=item $cf::TICK	216	=item $cf::TICK
103		217
104	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
105		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
106	=item %cf::CFG	230	=item %cf::CFG
107		231
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
109	from wherever your confdir points to.	233	from wherever your confdir points to.
110		234
		235	=item cf::wait_for_tick, cf::wait_for_tick_begin
		236
		237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		238	returns directly I<after> the tick processing (and consequently, can only wake one thread
		239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		240
		241	=cut
		242
		243	sub wait_for_tick();
		244	sub wait_for_tick_begin();
		245
		246	=item @cf::INVOKE_RESULTS
		247
		248	This array contains the results of the last C<invoke ()> call. When
		249	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		250	that call.
		251
		252	=item %cf::REFLECT
		253
		254	Contains, for each (C++) class name, a hash reference with information
		255	about object members (methods, scalars, arrays and flags) and other
		256	metadata, which is useful for introspection.
		257
111	=back	258	=back
112		259
113	=cut	260	=cut
114		261
115	BEGIN {	262	sub error(@) { LOG llevError, join "", @_ }
116	*CORE::GLOBAL::warn = sub {	263	sub warn (@) { LOG llevWarn , join "", @_ }
		264	sub info (@) { LOG llevInfo , join "", @_ }
		265	sub debug(@) { LOG llevDebug, join "", @_ }
		266	sub trace(@) { LOG llevTrace, join "", @_ }
		267
		268	$Coro::State::WARNHOOK = sub {
117	my $msg = join "", @_;	269	my $msg = join "", @_;
118	utf8::encode $msg;
119		270
120	$msg .= "\n"	271	$msg .= "\n"
121	unless $msg =~ /\n$/;	272	unless $msg =~ /\n$/;
122		273
		274	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		275
123	LOG llevError, $msg;	276	LOG llevWarn, $msg;
124	};	277	};
125	}	278
		279	$Coro::State::DIEHOOK = sub {
		280	return unless $^S eq 0; # "eq", not "=="
		281
		282	error Carp::longmess $_[0];
		283
		284	if (in_main) {#d#
		285	error "DIEHOOK called in main context, Coro bug?\n";#d#
		286	return;#d#
		287	}#d#
		288
		289	# kill coroutine otherwise
		290	Coro::terminate
		291	};
126		292
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	293	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	294	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	295	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	296	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	297	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		298	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
132	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	299	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
133		300
134	# we bless all objects into (empty) derived classes to force a method lookup	301	# we bless all objects into (empty) derived classes to force a method lookup
135	# within the Safe compartment.	302	# within the Safe compartment.
136	for my $pkg (qw(	303	for my $pkg (qw(
137	cf::global cf::attachable	304	cf::global cf::attachable
138	cf::object cf::object::player	305	cf::object cf::object::player
139	cf::client cf::player	306	cf::client cf::player
140	cf::arch cf::living	307	cf::arch cf::living
		308	cf::map cf::mapspace
141	cf::map cf::party cf::region	309	cf::party cf::region
142	)) {	310	)) {
143	no strict 'refs';
144	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	311	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
145	}	312	}
146		313
147	$Event::DIED = sub {	314	$EV::DIED = sub {
148	warn "error in event callback: @_";	315	Carp::cluck "error in event callback: @_";
149	};	316	};
150		317
151	my %ext_pkg;	318	#############################################################################
152	my @exts;
153	my @hook;
154		319
155	=head2 UTILITY FUNCTIONS	320	=head2 UTILITY FUNCTIONS
156		321
157	=over 4	322	=over 4
158		323
159	=cut	324	=item dumpval $ref
160		325
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	326	=cut
162		327
		328	sub dumpval {
		329	eval {
		330	local $SIG{__DIE__};
		331	my $d;
		332	if (1) {
		333	$d = new Data::Dumper([$_[0]], ["*var"]);
		334	$d->Terse(1);
		335	$d->Indent(2);
		336	$d->Quotekeys(0);
		337	$d->Useqq(1);
		338	#$d->Bless(...);
		339	$d->Seen($_[1]) if @_ > 1;
		340	$d = $d->Dump();
		341	}
		342	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		343	$d
		344	} || "[unable to dump $_[0]: '$@']";
		345	}
		346
163	=item $ref = cf::from_json $json	347	=item $ref = cf::decode_json $json
164		348
165	Converts a JSON string into the corresponding perl data structure.	349	Converts a JSON string into the corresponding perl data structure.
166		350
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	351	=item $json = cf::encode_json $ref
175		352
176	Converts a perl data structure into its JSON representation.	353	Converts a perl data structure into its JSON representation.
177		354
178	=cut	355	=cut
179		356
180	sub to_json($) {	357	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	358
182	JSON::Syck::Dump $_[0]	359	sub encode_json($) { $json_coder->encode ($_[0]) }
		360	sub decode_json($) { $json_coder->decode ($_[0]) }
		361
		362	=item $ref = cf::yaml_load $scalar
		363
		364	Same as YAML::XS::Load, but doesn't leak, because it forks (and thus blocks).
		365
		366	=cut
		367
		368	sub fork_call(&@);
		369
		370	sub yaml_load($) {
		371	fork_call { YAML::XS::Load $_[0] } @_
		372	}
		373
		374	=item cf::post_init { BLOCK }
		375
		376	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		377	but I<before> the server starts ticking again.
		378
		379	The codeblock will have a single boolean argument to indicate whether this
		380	is a reload or not.
		381
		382	=cut
		383
		384	sub post_init(&) {
		385	push @POST_INIT, shift;
183	}	386	}
184		387
185	=item cf::lock_wait $string	388	=item cf::lock_wait $string
186		389
187	Wait until the given lock is available. See cf::lock_acquire.	390	Wait until the given lock is available. See cf::lock_acquire.
188		391
189	=item my $lock = cf::lock_acquire $string	392	=item my $lock = cf::lock_acquire $string
190		393
191	Wait until the given lock is available and then acquires it and returns	394	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,	395	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	396	for example when the coroutine gets canceled), the lock is automatically
194	returned.	397	returned.
195		398
		399	Locks are *not* recursive, locking from the same coro twice results in a
		400	deadlocked coro.
		401
196	Lock names should begin with a unique identifier (for example, cf::map::find	402	Lock names should begin with a unique identifier (for example, cf::map::find
197	uses map_find and cf::map::load uses map_load).	403	uses map_find and cf::map::load uses map_load).
198		404
199	=cut	405	=item $locked = cf::lock_active $string
200		406
201	our %LOCK;	407	Return true if the lock is currently active, i.e. somebody has locked it.
		408
		409	=cut
		410
		411	our $LOCKS = new Coro::SemaphoreSet;
202		412
203	sub lock_wait($) {	413	sub lock_wait($) {
204	my ($key) = @_;	414	$LOCKS->wait ($_[0]);
205
206	# wait for lock, if any
207	while ($LOCK{$key}) {
208	push @{ $LOCK{$key} }, $Coro::current;
209	Coro::schedule;
210	}
211	}	415	}
212		416
213	sub lock_acquire($) {	417	sub lock_acquire($) {
214	my ($key) = @_;	418	$LOCKS->guard ($_[0])
		419	}
215		420
216	# wait, to be sure we are not locked	421	sub lock_active($) {
217	lock_wait $key;	422	$LOCKS->count ($_[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	}	423	}
226		424
227	sub freeze_mainloop {	425	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	426	tick_inhibit_inc;
229		427
230	my $guard = Coro::guard { $TICK_WATCHER->start };	428	&Guard::guard (\&tick_inhibit_dec);
231	$TICK_WATCHER->stop;	429	}
232	$guard	430
		431	=item cf::periodic $interval, $cb
		432
		433	Like EV::periodic, but randomly selects a starting point so that the actions
		434	get spread over time.
		435
		436	=cut
		437
		438	sub periodic($$) {
		439	my ($interval, $cb) = @_;
		440
		441	my $start = rand List::Util::min 180, $interval;
		442
		443	EV::periodic $start, $interval, 0, $cb
		444	}
		445
		446	=item cf::get_slot $time[, $priority[, $name]]
		447
		448	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		449	This call blocks and returns only when you have at least C<$time> seconds
		450	of cpu time till the next tick. The slot is only valid till the next cede.
		451
		452	The optional C<$name> can be used to identify the job to run. It might be
		453	used for statistical purposes and should identify the same time-class.
		454
		455	Useful for short background jobs.
		456
		457	=cut
		458
		459	our @SLOT_QUEUE;
		460	our $SLOT_QUEUE;
		461	our $SLOT_DECAY = 0.9;
		462
		463	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		464	$SLOT_QUEUE = Coro::async {
		465	$Coro::current->desc ("timeslot manager");
		466
		467	my $signal = new Coro::Signal;
		468	my $busy;
		469
		470	while () {
		471	next_job:
		472
		473	my $avail = cf::till_tick;
		474
		475	for (0 .. $#SLOT_QUEUE) {
		476	if ($SLOT_QUEUE[$_][0] <= $avail) {
		477	$busy = 0;
		478	my $job = splice @SLOT_QUEUE, $_, 1, ();
		479	$job->[2]->send;
		480	Coro::cede;
		481	goto next_job;
		482	} else {
		483	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		484	}
		485	}
		486
		487	if (@SLOT_QUEUE) {
		488	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		489	push @cf::WAIT_FOR_TICK, $signal;
		490	$signal->wait;
		491	} else {
		492	$busy = 0;
		493	Coro::schedule;
		494	}
		495	}
		496	};
		497
		498	sub get_slot($;$$) {
		499	return if tick_inhibit || $Coro::current == $Coro::main;
		500
		501	my ($time, $pri, $name) = @_;
		502
		503	$time = clamp $time, 0.01, $TICK * .6;
		504
		505	my $sig = new Coro::Signal;
		506
		507	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		508	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		509	$SLOT_QUEUE->ready;
		510	$sig->wait;
233	}	511	}
234		512
235	=item cf::async { BLOCK }	513	=item cf::async { BLOCK }
236		514
237	Currently the same as Coro::async_pool, meaning you cannot use	515	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		520
243	BEGIN { *async = \&Coro::async_pool }	521	BEGIN { *async = \&Coro::async_pool }
244		522
245	=item cf::sync_job { BLOCK }	523	=item cf::sync_job { BLOCK }
246		524
247	The design of crossfire+ requires that the main coro ($Coro::main) is	525	The design of Deliantra requires that the main coroutine ($Coro::main)
248	always able to handle events or runnable, as crossfire+ is only partly	526	is always able to handle events or runnable, as Deliantra is only
249	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	527	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		528	acceptable.
250		529
251	If it must be done, put the blocking parts into C<sync_job>. This will run	530	If it must be done, put the blocking parts into C<sync_job>. This will run
252	the given BLOCK in another coroutine while waiting for the result. The	531	the given BLOCK in another coroutine while waiting for the result. The
253	server will be frozen during this time, so the block should either finish	532	server will be frozen during this time, so the block should either finish
254	fast or be very important.	533	fast or be very important.
…		…
256	=cut	535	=cut
257		536
258	sub sync_job(&) {	537	sub sync_job(&) {
259	my ($job) = @_;	538	my ($job) = @_;
260		539
261	if ($Coro::current == $Coro::main) {	540	if (in_main) {
		541	my $time = AE::time;
		542
262	# this is the main coro, too bad, we have to block	543	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	544	# till the operation succeeds, freezing the server :/
264		545
265	# TODO: use suspend/resume instead	546	#LOG llevError, Carp::longmess "sync job";#d#
266	# (but this is cancel-safe)	547
267	my $freeze_guard = freeze_mainloop;	548	my $freeze_guard = freeze_mainloop;
268		549
269	my $busy = 1;	550	my $busy = 1;
270	my @res;	551	my @res;
271		552
272	(async {	553	(async {
		554	$Coro::current->desc ("sync job coro");
273	@res = eval { $job->() };	555	@res = eval { $job->() };
274	warn $@ if $@;	556	error $@ if $@;
275	undef $busy;	557	undef $busy;
276	})->prio (Coro::PRIO_MAX);	558	})->prio (Coro::PRIO_MAX);
277		559
278	while ($busy) {	560	while ($busy) {
279	Coro::cede or Event::one_event;	561	if (Coro::nready) {
		562	Coro::cede_notself;
		563	} else {
		564	EV::loop EV::LOOP_ONESHOT;
280	}	565	}
		566	}
		567
		568	my $time = AE::time - $time;
		569
		570	$TICK_START += $time; # do not account sync jobs to server load
281		571
282	wantarray ? @res : $res[0]	572	wantarray ? @res : $res[0]
283	} else {	573	} else {
284	# we are in another coroutine, how wonderful, everything just works	574	# we are in another coroutine, how wonderful, everything just works
285		575
…		…
287	}	577	}
288	}	578	}
289		579
290	=item $coro = cf::async_ext { BLOCK }	580	=item $coro = cf::async_ext { BLOCK }
291		581
292	Like async, but this coro is automcatially being canceled when the	582	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	583	extension calling this is being unloaded.
294		584
295	=cut	585	=cut
296		586
297	sub async_ext(&) {	587	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	595	$EXT_CORO{$coro+0} = $coro;
306		596
307	$coro	597	$coro
308	}	598	}
309		599
310	sub write_runtime {	600	=item fork_call { }, @args
311	my $runtime = cf::localdir . "/runtime";
312		601
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	602	Executes the given code block with the given arguments in a seperate
314	or return;	603	process, returning the results. Everything must be serialisable with
		604	Coro::Storable. May, of course, block. Note that the executed sub may
		605	never block itself or use any form of event handling.
315		606
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	607	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		608
320	aio_fsync $fh	609	sub post_fork {
321	and return;	610	reset_signals;
		611	}
322		612
323	close $fh	613	sub fork_call(&@) {
324	or return;	614	my ($cb, @args) = @_;
325		615
326	aio_rename "$runtime~", $runtime	616	# we seemingly have to make a local copy of the whole thing,
327	and return;	617	# otherwise perl prematurely frees the stuff :/
		618	# TODO: investigate and fix (likely this will be rather laborious)
328		619
		620	my @res = Coro::Util::fork_eval {
		621	cf::post_fork;
		622	&$cb
		623	} @args;
		624
		625	wantarray ? @res : $res[-1]
		626	}
		627
		628	sub objinfo {
329	1	629	(
		630	"counter value" => cf::object::object_count,
		631	"objects created" => cf::object::create_count,
		632	"objects destroyed" => cf::object::destroy_count,
		633	"freelist size" => cf::object::free_count,
		634	"allocated objects" => cf::object::objects_size,
		635	"active objects" => cf::object::actives_size,
		636	)
		637	}
		638
		639	=item $coin = coin_from_name $name
		640
		641	=cut
		642
		643	our %coin_alias = (
		644	"silver" => "silvercoin",
		645	"silvercoin" => "silvercoin",
		646	"silvercoins" => "silvercoin",
		647	"gold" => "goldcoin",
		648	"goldcoin" => "goldcoin",
		649	"goldcoins" => "goldcoin",
		650	"platinum" => "platinacoin",
		651	"platinumcoin" => "platinacoin",
		652	"platinumcoins" => "platinacoin",
		653	"platina" => "platinacoin",
		654	"platinacoin" => "platinacoin",
		655	"platinacoins" => "platinacoin",
		656	"royalty" => "royalty",
		657	"royalties" => "royalty",
		658	);
		659
		660	sub coin_from_name($) {
		661	$coin_alias{$_[0]}
		662	? cf::arch::find $coin_alias{$_[0]}
		663	: undef
		664	}
		665
		666	=item $value = cf::db_get $family => $key
		667
		668	Returns a single value from the environment database.
		669
		670	=item cf::db_put $family => $key => $value
		671
		672	Stores the given C<$value> in the family. It can currently store binary
		673	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		674
		675	=item $db = cf::db_table "name"
		676
		677	Create and/or open a new database table. The string must not be "db" and must be unique
		678	within each server.
		679
		680	=cut
		681
		682	sub db_table($) {
		683	cf::error "db_get called from main context"
		684	if $Coro::current == $Coro::main;
		685
		686	my ($name) = @_;
		687	my $db = BDB::db_create $DB_ENV;
		688
		689	eval {
		690	$db->set_flags (BDB::CHKSUM);
		691
		692	utf8::encode $name;
		693	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		694	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		695	cf::cleanup "db_open(db): $!" if $!;
		696	};
		697	cf::cleanup "db_open(db): $@" if $@;
		698
		699	$db
		700	}
		701
		702	our $DB;
		703
		704	sub db_init {
		705	$DB ||= db_table "db";
		706	}
		707
		708	sub db_get($$) {
		709	my $key = "$_[0]/$_[1]";
		710
		711	cf::error "db_get called from main context"
		712	if $Coro::current == $Coro::main;
		713
		714	BDB::db_get $DB, undef, $key, my $data;
		715
		716	$! ? ()
		717	: $data
		718	}
		719
		720	sub db_put($$$) {
		721	BDB::dbreq_pri 4;
		722	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		723	}
		724
		725	=item cf::cache $id => [$paths...], $processversion => $process
		726
		727	Generic caching function that returns the value of the resource $id,
		728	caching and regenerating as required.
		729
		730	This function can block.
		731
		732	=cut
		733
		734	sub cache {
		735	my ($id, $src, $processversion, $process) = @_;
		736
		737	my $meta =
		738	join "\x00",
		739	$processversion,
		740	map {
		741	aio_stat $_
		742	and Carp::croak "$_: $!";
		743
		744	($_, (stat _)[7,9])
		745	} @$src;
		746
		747	my $dbmeta = db_get cache => "$id/meta";
		748	if ($dbmeta ne $meta) {
		749	# changed, we may need to process
		750
		751	my @data;
		752	my $md5;
		753
		754	for (0 .. $#$src) {
		755	0 <= aio_load $src->[$_], $data[$_]
		756	or Carp::croak "$src->[$_]: $!";
		757	}
		758
		759	# if processing is expensive, check
		760	# checksum first
		761	if (1) {
		762	$md5 =
		763	join "\x00",
		764	$processversion,
		765	map {
		766	cf::cede_to_tick;
		767	($src->[$_], Digest::MD5::md5_hex $data[$_])
		768	} 0.. $#$src;
		769
		770
		771	my $dbmd5 = db_get cache => "$id/md5";
		772	if ($dbmd5 eq $md5) {
		773	db_put cache => "$id/meta", $meta;
		774
		775	return db_get cache => "$id/data";
		776	}
		777	}
		778
		779	my $t1 = Time::HiRes::time;
		780	my $data = $process->(\@data);
		781	my $t2 = Time::HiRes::time;
		782
		783	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		784
		785	db_put cache => "$id/data", $data;
		786	db_put cache => "$id/md5" , $md5;
		787	db_put cache => "$id/meta", $meta;
		788
		789	return $data;
		790	}
		791
		792	db_get cache => "$id/data"
		793	}
		794
		795	=item cf::datalog type => key => value, ...
		796
		797	Log a datalog packet of the given type with the given key-value pairs.
		798
		799	=cut
		800
		801	sub datalog($@) {
		802	my ($type, %kv) = @_;
		803	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
330	}	804	}
331		805
332	=back	806	=back
333		807
334	=cut	808	=cut
335		809
336	#############################################################################	810	#############################################################################
337		811
338	package cf::path;
339
340	sub new {
341	my ($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	812	=head2 ATTACHABLE OBJECTS
459		813
460	Many objects in crossfire are so-called attachable objects. That means you can	814	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")	815	attach callbacks/event handlers (a collection of which is called an "attachment")
462	to it. All such attachable objects support the following methods.	816	to it. All such attachable objects support the following methods.
463		817
464	In the following description, CLASS can be any of C<global>, C<object>	818	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	819	C<player>, C<client> or C<map> (i.e. the attachable objects in
466	crossfire+).	820	Deliantra).
467		821
468	=over 4	822	=over 4
469		823
470	=item $attachable->attach ($attachment, key => $value...)	824	=item $attachable->attach ($attachment, key => $value...)
471		825
…		…
515	=item cf::CLASS::attachment $name, ...	869	=item cf::CLASS::attachment $name, ...
516		870
517	Register an attachment by C<$name> through which attachable objects of the	871	Register an attachment by C<$name> through which attachable objects of the
518	given CLASS can refer to this attachment.	872	given CLASS can refer to this attachment.
519		873
520	Some classes such as crossfire maps and objects can specify attachments	874	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.	875	that are attached at load/instantiate time, thus the need for a name.
522		876
523	These calls expect any number of the following handler/hook descriptions:	877	These calls expect any number of the following handler/hook descriptions:
524		878
525	=over 4	879	=over 4
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	939	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	940	our @CB_MAP = ();
587		941
588	my %attachment;	942	my %attachment;
589		943
		944	sub cf::attachable::thawer_merge {
		945	# simply override everything except _meta
		946	local $_[0]{_meta};
		947	%{$_[0]} = %{$_[1]};
		948	}
		949
590	sub _attach_cb($$$$) {	950	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	951	my ($registry, $event, $prio, $cb) = @_;
592		952
593	use sort 'stable';	953	use sort 'stable';
594		954
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	988	$registry = $CB_TYPE[$object_type] ||= [];
629		989
630	} elsif ($type eq "subtype") {	990	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	991	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	992	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	993	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		994
635	} elsif ($type eq "package") {	995	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	996	my $pkg = shift @arg;
637		997
638	while (my ($name, $id) = each %cb_id) {	998	while (my ($name, $id) = each %cb_id) {
…		…
643		1003
644	} elsif (exists $cb_id{$type}) {	1004	} elsif (exists $cb_id{$type}) {
645	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	1005	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
646		1006
647	} elsif (ref $type) {	1007	} elsif (ref $type) {
648	warn "attaching objects not supported, ignoring.\n";	1008	error "attaching objects not supported, ignoring.\n";
649		1009
650	} else {	1010	} else {
651	shift @arg;	1011	shift @arg;
652	warn "attach argument '$type' not supported, ignoring.\n";	1012	error "attach argument '$type' not supported, ignoring.\n";
653	}	1013	}
654	}	1014	}
655	}	1015	}
656		1016
657	sub _object_attach {	1017	sub _object_attach {
…		…
667	_attach $registry, $klass, @attach;	1027	_attach $registry, $klass, @attach;
668	}	1028	}
669		1029
670	$obj->{$name} = \%arg;	1030	$obj->{$name} = \%arg;
671	} else {	1031	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	1032	info "object uses attachment '$name' which is not available, postponing.\n";
673	}	1033	}
674		1034
675	$obj->{_attachment}{$name} = undef;	1035	$obj->{_attachment}{$name} = undef;
676	}	1036	}
677		1037
…		…
679	if (ref $_[0]) {	1039	if (ref $_[0]) {
680	_object_attach @_;	1040	_object_attach @_;
681	} else {	1041	} else {
682	_attach shift->_attach_registry, @_;	1042	_attach shift->_attach_registry, @_;
683	}	1043	}
		1044	_recalc_want;
684	};	1045	};
685		1046
686	# all those should be optimised	1047	# all those should be optimised
687	sub cf::attachable::detach {	1048	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	1049	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	1052	delete $obj->{_attachment}{$name};
692	reattach ($obj);	1053	reattach ($obj);
693	} else {	1054	} else {
694	Carp::croak "cannot, currently, detach class attachments";	1055	Carp::croak "cannot, currently, detach class attachments";
695	}	1056	}
		1057	_recalc_want;
696	};	1058	};
697		1059
698	sub cf::attachable::attached {	1060	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	1061	my ($obj, $name) = @_;
700		1062
…		…
715	";	1077	";
716	die if $@;	1078	die if $@;
717	}	1079	}
718		1080
719	our $override;	1081	our $override;
720	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1082	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
721		1083
722	sub override {	1084	sub override {
723	$override = 1;	1085	$override = 1;
724	@invoke_results = ();	1086	@INVOKE_RESULTS = (@_);
725	}	1087	}
726		1088
727	sub do_invoke {	1089	sub do_invoke {
728	my $event = shift;	1090	my $event = shift;
729	my $callbacks = shift;	1091	my $callbacks = shift;
730		1092
731	@invoke_results = ();	1093	@INVOKE_RESULTS = ();
732		1094
733	local $override;	1095	local $override;
734		1096
735	for (@$callbacks) {	1097	for (@$callbacks) {
736	eval { &{$_->[1]} };	1098	eval { &{$_->[1]} };
737		1099
738	if ($@) {	1100	if ($@) {
739	warn "$@";
740	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1101	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
741	override;	1102	override;
742	}	1103	}
743		1104
744	return 1 if $override;	1105	return 1 if $override;
745	}	1106	}
746		1107
747	0	1108	0
748	}	1109	}
749		1110
750	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1111	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
751		1112
752	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1113	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
753		1114
754	Generate an object-specific event with the given arguments.	1115	Generate an object-specific event with the given arguments.
755		1116
756	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1117	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	1118	removed in future versions), and there is no public API to access override
758	results (if you must, access C<@cf::invoke_results> directly).	1119	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		1120
760	=back	1121	=back
761		1122
762	=cut	1123	=cut
763		1124
764	#############################################################################	1125	#############################################################################
765	# object support	1126	# object support
		1127
		1128	sub _object_equal($$);
		1129	sub _object_equal($$) {
		1130	my ($a, $b) = @_;
		1131
		1132	return 0 unless (ref $a) eq (ref $b);
		1133
		1134	if ("HASH" eq ref $a) {
		1135	my @ka = keys %$a;
		1136	my @kb = keys %$b;
		1137
		1138	return 0 if @ka != @kb;
		1139
		1140	for (0 .. $#ka) {
		1141	return 0 unless $ka[$_] eq $kb[$_];
		1142	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1143	}
		1144
		1145	} elsif ("ARRAY" eq ref $a) {
		1146
		1147	return 0 if @$a != @$b;
		1148
		1149	for (0 .. $#$a) {
		1150	return 0 unless _object_equal $a->[$_], $b->[$_];
		1151	}
		1152
		1153	} elsif ($a ne $b) {
		1154	return 0;
		1155	}
		1156
		1157	1
		1158	}
		1159
		1160	our $SLOW_MERGES;#d#
		1161	sub _can_merge {
		1162	my ($ob1, $ob2) = @_;
		1163
		1164	++$SLOW_MERGES;#d#
		1165
		1166	# we do the slow way here
		1167	return _object_equal $ob1, $ob2
		1168	}
766		1169
767	sub reattach {	1170	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	1171	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	1172	my ($obj) = @_;
		1173
		1174	# no longer needed after getting rid of delete_package?
		1175	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		1176
771	my $registry = $obj->registry;	1177	my $registry = $obj->registry;
772		1178
773	@$registry = ();	1179	@$registry = ();
774		1180
…		…
779	for (@$attach) {	1185	for (@$attach) {
780	my ($klass, @attach) = @$_;	1186	my ($klass, @attach) = @$_;
781	_attach $registry, $klass, @attach;	1187	_attach $registry, $klass, @attach;
782	}	1188	}
783	} else {	1189	} else {
784	warn "object uses attachment '$name' that is not available, postponing.\n";	1190	info "object uses attachment '$name' that is not available, postponing.\n";
785	}	1191	}
786	}	1192	}
787	}	1193	}
788		1194
789	cf::attachable->attach (	1195	cf::attachable->attach (
790	prio => -1000000,	1196	prio => -1000000,
791	on_instantiate => sub {	1197	on_instantiate => sub {
792	my ($obj, $data) = @_;	1198	my ($obj, $data) = @_;
793		1199
794	$data = from_json $data;	1200	$data = decode_json $data;
795		1201
796	for (@$data) {	1202	for (@$data) {
797	my ($name, $args) = @$_;	1203	my ($name, $args) = @$_;
798		1204
799	$obj->attach ($name, %{$args || {} });	1205	$obj->attach ($name, %{$args || {} });
…		…
815	sub object_freezer_save {	1221	sub object_freezer_save {
816	my ($filename, $rdata, $objs) = @_;	1222	my ($filename, $rdata, $objs) = @_;
817		1223
818	sync_job {	1224	sync_job {
819	if (length $$rdata) {	1225	if (length $$rdata) {
		1226	utf8::decode (my $decname = $filename);
820	warn sprintf "saving %s (%d,%d)\n",	1227	trace sprintf "saving %s (%d,%d)\n",
821	$filename, length $$rdata, scalar @$objs;	1228	$decname, length $$rdata, scalar @$objs
		1229	if $VERBOSE_IO;
822		1230
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1231	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1232	aio_chmod $fh, SAVE_MODE;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1233	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1234	if ($cf::USE_FSYNC) {
		1235	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;	1236	aio_fsync $fh;
		1237	}
827	close $fh;	1238	aio_close $fh;
828		1239
829	if (@$objs) {	1240	if (@$objs) {
830	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1241	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
831	chmod SAVE_MODE, $fh;	1242	aio_chmod $fh, SAVE_MODE;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1243	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1244	aio_write $fh, 0, (length $data), $data, 0;
		1245	if ($cf::USE_FSYNC) {
		1246	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;	1247	aio_fsync $fh;
		1248	}
835	close $fh;	1249	aio_close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1250	aio_rename "$filename.pst~", "$filename.pst";
837	}	1251	}
838	} else {	1252	} else {
839	aio_unlink "$filename.pst";	1253	aio_unlink "$filename.pst";
840	}	1254	}
841		1255
842	aio_rename "$filename~", $filename;	1256	aio_rename "$filename~", $filename;
		1257
		1258	$filename =~ s%/[^/]+$%%;
		1259	aio_pathsync $filename if $cf::USE_FSYNC;
843	} else {	1260	} else {
844	warn "FATAL: $filename~: $!\n";	1261	error "unable to save objects: $filename~: $!\n";
845	}	1262	}
846	} else {	1263	} else {
847	aio_unlink $filename;	1264	aio_unlink $filename;
848	aio_unlink "$filename.pst";	1265	aio_unlink "$filename.pst";
849	}	1266	}
850	}	1267	};
851	}	1268	}
852		1269
853	sub object_freezer_as_string {	1270	sub object_freezer_as_string {
854	my ($rdata, $objs) = @_;	1271	my ($rdata, $objs) = @_;
855		1272
…		…
867	or return;	1284	or return;
868		1285
869	unless (aio_stat "$filename.pst") {	1286	unless (aio_stat "$filename.pst") {
870	(aio_load "$filename.pst", $av) >= 0	1287	(aio_load "$filename.pst", $av) >= 0
871	or return;	1288	or return;
		1289
872	$av = eval { (Storable::thaw $av)->{objs} };	1290	my $st = eval { Coro::Storable::thaw $av };
		1291	$av = $st->{objs};
873	}	1292	}
874		1293
		1294	utf8::decode (my $decname = $filename);
875	warn sprintf "loading %s (%d)\n",	1295	trace sprintf "loading %s (%d,%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1296	$decname, length $data, scalar @{$av || []}
		1297	if $VERBOSE_IO;
		1298
877	return ($data, $av);	1299	($data, $av)
878	}	1300	}
		1301
		1302	=head2 COMMAND CALLBACKS
		1303
		1304	=over 4
		1305
		1306	=cut
879		1307
880	#############################################################################	1308	#############################################################################
881	# command handling &c	1309	# command handling &c
882		1310
883	=item cf::register_command $name => \&callback($ob,$args);	1311	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1324	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1325	}
898		1326
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1327	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1328
901	Register a callbackf ro execution when the client sends an extcmd packet.	1329	Register a callback for execution when the client sends an (synchronous)
		1330	extcmd packet. Ext commands will be processed in the order they are
		1331	received by the server, like other user commands. The first argument is
		1332	the logged-in player. Ext commands can only be processed after a player
		1333	has logged in successfully.
902		1334
903	If the callback returns something, it is sent back as if reply was being	1335	If the callback returns something, it is sent back as if reply was being
904	called.	1336	called.
905		1337
		1338	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1339
		1340	Register a callback for execution when the client sends an (asynchronous)
		1341	exticmd packet. Exti commands are processed by the server as soon as they
		1342	are received, i.e. out of order w.r.t. other commands. The first argument
		1343	is a client socket. Exti commands can be received anytime, even before
		1344	log-in.
		1345
		1346	If the callback returns something, it is sent back as if reply was being
		1347	called.
		1348
906	=cut	1349	=cut
907		1350
908	sub register_extcmd {	1351	sub register_extcmd {
909	my ($name, $cb) = @_;	1352	my ($name, $cb) = @_;
910		1353
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1354	$EXTCMD{$name} = $cb;
915	}	1355	}
		1356
		1357	sub register_exticmd {
		1358	my ($name, $cb) = @_;
		1359
		1360	$EXTICMD{$name} = $cb;
		1361	}
		1362
		1363	use File::Glob ();
916		1364
917	cf::player->attach (	1365	cf::player->attach (
918	on_command => sub {	1366	on_unknown_command => sub {
919	my ($pl, $name, $params) = @_;	1367	my ($pl, $name, $params) = @_;
920		1368
921	my $cb = $COMMAND{$name}	1369	my $cb = $COMMAND{$name}
922	or return;	1370	or return;
923		1371
…		…
928	cf::override;	1376	cf::override;
929	},	1377	},
930	on_extcmd => sub {	1378	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1379	my ($pl, $buf) = @_;
932		1380
933	my $msg = eval { from_json $buf };	1381	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1382
935	if (ref $msg) {	1383	if (ref $msg) {
		1384	my ($type, $reply, @payload) =
		1385	"ARRAY" eq ref $msg
		1386	? @$msg
		1387	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1388
		1389	my @reply;
		1390
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1391	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1392	@reply = $cb->($pl, @payload);
938	$pl->ext_reply ($msg->{msgid}, %reply);
939	}
940	}	1393	}
		1394
		1395	$pl->ext_reply ($reply, @reply)
		1396	if $reply;
		1397
941	} else {	1398	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1399	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1400	}
944		1401
945	cf::override;	1402	cf::override;
946	},	1403	},
947	);	1404	);
948		1405
949	sub register {	1406	# "readahead" all extensions
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {	1407	sub cache_extensions {
956	my ($path) = @_;	1408	my $grp = IO::AIO::aio_group;
957		1409
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1410	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
959	my $base = $1;	1411	for (grep /\.ext$/, @{$_[0]}) {
960	my $pkg = $1;	1412	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	}	1413	}
1008	}	1414	};
1009		1415
1010	# remove extcmds	1416	$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	}	1417	}
1024		1418
1025	sub load_extensions {	1419	sub load_extensions {
		1420	info "loading extensions...";
		1421
		1422	cf::sync_job {
		1423	my %todo;
		1424
1026	for my $ext (<$LIBDIR/*.ext>) {	1425	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1426	next unless -r $path;
1028	eval {	1427
1029	load_extension $ext;	1428	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1429	my $base = $1;
		1430	my $pkg = $1;
		1431	$pkg =~ s/[^[:word:]]/_/g;
		1432	$pkg = "ext::$pkg";
		1433
		1434	open my $fh, "<:utf8", $path
		1435	or die "$path: $!";
		1436
		1437	my $source = do { local $/; <$fh> };
		1438
		1439	my %ext = (
		1440	path => $path,
		1441	base => $base,
		1442	pkg => $pkg,
		1443	);
		1444
		1445	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1446	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1447
		1448	$ext{source} =
		1449	"package $pkg; use common::sense;\n"
		1450	. "#line 1 \"$path\"\n{\n"
		1451	. $source
		1452	. "\n};\n1";
		1453
		1454	$todo{$base} = \%ext;
		1455	}
		1456
		1457	my $pass = 0;
		1458	my %done;
		1459	while (%todo) {
		1460	my $progress;
		1461
		1462	++$pass;
		1463
		1464	ext:
		1465	while (my ($k, $v) = each %todo) {
		1466	for (split /,\s*/, $v->{meta}{depends}) {
		1467	next ext
		1468	unless exists $done{$_};
		1469	}
		1470
		1471	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1472
		1473	my $active = eval $v->{source};
		1474
		1475	if (length $@) {
		1476	error "$v->{path}: $@\n";
		1477
		1478	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1479	if exists $v->{meta}{mandatory};
		1480
		1481	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1482	delete $todo{$k};
		1483	} else {
		1484	$done{$k} = delete $todo{$k};
		1485	push @EXTS, $v->{pkg};
		1486	$progress = 1;
		1487
		1488	info "$v->{base}: extension inactive.\n"
		1489	unless $active;
		1490	}
1030	1	1491	}
1031	} or warn "$ext not loaded: $@";	1492
		1493	unless ($progress) {
		1494	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1495
		1496	while (my ($k, $v) = each %todo) {
		1497	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1498	if exists $v->{meta}{mandatory};
		1499	}
		1500	}
		1501	}
1032	}	1502	};
1033	}	1503	}
1034		1504
1035	#############################################################################	1505	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1506
1038	*cf::mapsupport::on_clean = sub {	1507	=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		1508
1073	=head2 CORE EXTENSIONS	1509	=head2 CORE EXTENSIONS
1074		1510
1075	Functions and methods that extend core crossfire objects.	1511	Functions and methods that extend core deliantra objects.
1076		1512
1077	=cut	1513	=cut
1078		1514
1079	package cf::player;	1515	package cf::player;
1080		1516
		1517	use Coro::AIO;
		1518
1081	=head3 cf::player	1519	=head3 cf::player
1082		1520
1083	=over 4	1521	=over 4
1084		1522
		1523	=item cf::player::num_playing
		1524
		1525	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1526
		1527	=cut
		1528
		1529	sub num_playing {
		1530	scalar grep
		1531	$_->ob->map
		1532	&& !$_->hidden
		1533	&& !$_->ob->flag (cf::FLAG_WIZ),
		1534	cf::player::list
		1535	}
		1536
1085	=item cf::player::find $login	1537	=item cf::player::find $login
1086		1538
1087	Returns the given player object, loading it if necessary (might block).	1539	Returns the given player object, loading it if necessary (might block).
1088		1540
1089	=cut	1541	=cut
1090		1542
1091	sub playerdir($) {	1543	sub playerdir($) {
1092	cf::localdir	1544	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1545	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1546	}
1098		1547
1099	sub path($) {	1548	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1549	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1550
1102	(playerdir $login) . "/$login.pl"	1551	(playerdir $login) . "/playerdata"
1103	}	1552	}
1104		1553
1105	sub find_active($) {	1554	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1555	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1556	and $cf::PLAYER{$_[0]}->active
…		…
1110		1559
1111	sub exists($) {	1560	sub exists($) {
1112	my ($login) = @_;	1561	my ($login) = @_;
1113		1562
1114	$cf::PLAYER{$login}	1563	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1564	or !aio_stat path $login
1116	}	1565	}
1117		1566
1118	sub find($) {	1567	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1568	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1569	my $login = $_[0];
1121		1570
1122	my $guard = cf::lock_acquire "user_find:$login";	1571	my $guard = cf::lock_acquire "user_find:$login";
1123		1572
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	1573	$cf::PLAYER{$_[0]} || do {
		1574	# rename old playerfiles to new ones
		1575	#TODO: remove when no longer required
		1576	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1577	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1578	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1579	aio_unlink +(playerdir $login) . "/$login.pl";
		1580
		1581	my $f = new_from_file cf::object::thawer path $login
		1582	or return;
		1583
		1584	my $pl = cf::player::load_pl $f
		1585	or return;
		1586
		1587	local $cf::PLAYER_LOADING{$login} = $pl;
		1588	$f->resolve_delayed_derefs;
		1589	$cf::PLAYER{$login} = $pl
		1590	}
1125	};	1591	}
1126	}	1592	}
		1593
		1594	cf::player->attach (
		1595	on_load => sub {
		1596	my ($pl, $path) = @_;
		1597
		1598	# restore slots saved in save, below
		1599	my $slots = delete $pl->{_slots};
		1600
		1601	$pl->ob->current_weapon ($slots->[0]);
		1602	$pl->combat_ob ($slots->[1]);
		1603	$pl->ranged_ob ($slots->[2]);
		1604	},
		1605	);
1127		1606
1128	sub save($) {	1607	sub save($) {
1129	my ($pl) = @_;	1608	my ($pl) = @_;
1130		1609
1131	return if $pl->{deny_save};	1610	return if $pl->{deny_save};
…		…
1133	my $path = path $pl;	1612	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1613	my $guard = cf::lock_acquire "user_save:$path";
1135		1614
1136	return if $pl->{deny_save};	1615	return if $pl->{deny_save};
1137		1616
1138	Coro::AIO::aio_mkdir playerdir $pl, 0770;	1617	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1618	$pl->{last_save} = $cf::RUNTIME;
1140		1619
		1620	cf::get_slot 0.01;
		1621
		1622	# save slots, to be restored later
		1623	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1624
1141	$pl->save_pl ($path);	1625	$pl->save_pl ($path);
1142	Coro::cede;	1626	cf::cede_to_tick;
1143	}	1627	}
1144		1628
1145	sub new($) {	1629	sub new($) {
1146	my ($login) = @_;	1630	my ($login) = @_;
1147		1631
…		…
1153	$cf::PLAYER{$login} = $self;	1637	$cf::PLAYER{$login} = $self;
1154		1638
1155	$self	1639	$self
1156	}	1640	}
1157		1641
		1642	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1643
		1644	=cut
		1645
		1646	sub send_msg {
		1647	my $ns = shift->ns
		1648	or return;
		1649	$ns->send_msg (@_);
		1650	}
		1651
		1652	=item $pl->quit_character
		1653
		1654	Nukes the player without looking back. If logged in, the connection will
		1655	be destroyed. May block for a long time.
		1656
		1657	=cut
		1658
1158	sub quit_character {	1659	sub quit_character {
1159	my ($pl) = @_;	1660	my ($pl) = @_;
1160		1661
		1662	my $name = $pl->ob->name;
		1663
1161	$pl->{deny_save} = 1;	1664	$pl->{deny_save} = 1;
1162	$pl->password ("*"); # this should lock out the player until we nuked the dir	1665	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1163		1666
1164	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1667	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->ns;
1165	$pl->deactivate;	1668	$pl->deactivate;
		1669
		1670	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1166	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1671	$pl->invoke (cf::EVENT_PLAYER_QUIT) if $pl->ns;
		1672	ext::highscore::check ($pl->ob);
		1673
1167	$pl->ns->destroy if $pl->ns;	1674	$pl->ns->destroy if $pl->ns;
1168		1675
1169	my $path = playerdir $pl;	1676	my $path = playerdir $pl;
1170	my $temp = "$path~$cf::RUNTIME~deleting~";	1677	my $temp = "$path~$cf::RUNTIME~deleting~";
1171	Coro::AIO::aio_rename $path, $temp;	1678	aio_rename $path, $temp;
1172	delete $cf::PLAYER{$pl->ob->name};	1679	delete $cf::PLAYER{$pl->ob->name};
1173	$pl->destroy;	1680	$pl->destroy;
		1681
		1682	my $prefix = qr<^~\Q$name\E/>;
		1683
		1684	# nuke player maps
		1685	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1686
1174	IO::AIO::aio_rmtree $temp;	1687	IO::AIO::aio_rmtree $temp;
1175	}	1688	}
1176		1689
		1690	=item $pl->kick
		1691
		1692	Kicks a player out of the game. This destroys the connection.
		1693
		1694	=cut
		1695
		1696	sub kick {
		1697	my ($pl, $kicker) = @_;
		1698
		1699	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1700	$pl->killer ("kicked");
		1701	$pl->ns->destroy;
		1702	}
		1703
		1704	=item cf::player::list_logins
		1705
		1706	Returns am arrayref of all valid playernames in the system, can take a
		1707	while and may block, so not sync_job-capable, ever.
		1708
		1709	=cut
		1710
		1711	sub list_logins {
		1712	my $dirs = aio_readdir $PLAYERDIR
		1713	or return [];
		1714
		1715	my @logins;
		1716
		1717	for my $login (@$dirs) {
		1718	my $path = path $login;
		1719
		1720	# a .pst is a dead give-away for a valid player
		1721	# if no pst file found, open and chekc for blocked users
		1722	if (aio_stat "$path.pst") {
		1723	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
		1724	aio_read $fh, 0, 512, my $buf, 0 or next;
		1725	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1726	}
		1727
		1728	utf8::decode $login;
		1729	push @logins, $login;
		1730	}
		1731
		1732	\@logins
		1733	}
		1734
		1735	=item $player->maps
		1736
		1737	=item cf::player::maps $login
		1738
		1739	Returns an arrayref of map paths that are private for this
		1740	player. May block.
		1741
		1742	=cut
		1743
		1744	sub maps($) {
		1745	my ($pl) = @_;
		1746
		1747	$pl = ref $pl ? $pl->ob->name : $pl;
		1748
		1749	my $files = aio_readdir playerdir $pl
		1750	or return;
		1751
		1752	my @paths;
		1753
		1754	for (@$files) {
		1755	utf8::decode $_;
		1756	next if /\.(?:pl|pst)$/;
		1757	next unless /^$PATH_SEP/o;
		1758
		1759	push @paths, cf::map::normalise "~$pl/$_";
		1760	}
		1761
		1762	\@paths
		1763	}
		1764
		1765	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1766
		1767	Expand deliantra pod fragments into protocol xml.
		1768
1177	=item $player->ext_reply ($msgid, $msgtype, %msg)	1769	=item $player->ext_reply ($msgid, @msg)
1178		1770
1179	Sends an ext reply to the player.	1771	Sends an ext reply to the player.
1180		1772
1181	=cut	1773	=cut
1182		1774
1183	sub ext_reply($$$%) {	1775	sub ext_reply($$@) {
1184	my ($self, $id, %msg) = @_;	1776	my ($self, $id, @msg) = @_;
1185		1777
1186	$msg{msgid} = $id;	1778	$self->ns->ext_reply ($id, @msg)
1187
1188	$self->send ("ext " . cf::to_json \%msg);
1189	}	1779	}
1190		1780
1191	package cf;	1781	=item $player->ext_msg ($type, @msg)
		1782
		1783	Sends an ext event to the client.
		1784
		1785	=cut
		1786
		1787	sub ext_msg($$@) {
		1788	my ($self, $type, @msg) = @_;
		1789
		1790	$self->ns->ext_msg ($type, @msg);
		1791	}
		1792
		1793	=head3 cf::region
		1794
		1795	=over 4
		1796
		1797	=cut
		1798
		1799	package cf::region;
		1800
		1801	=item cf::region::find_by_path $path
		1802
		1803	Tries to decuce the likely region for a map knowing only its path.
		1804
		1805	=cut
		1806
		1807	sub find_by_path($) {
		1808	my ($path) = @_;
		1809
		1810	$path =~ s/^~[^\/]*//; # skip ~login
		1811
		1812	my ($match, $specificity);
		1813
		1814	for my $region (list) {
		1815	if ($region->{match} && $path =~ $region->{match}) {
		1816	($match, $specificity) = ($region, $region->specificity)
		1817	if $region->specificity > $specificity;
		1818	}
		1819	}
		1820
		1821	$match
		1822	}
1192		1823
1193	=back	1824	=back
1194
1195		1825
1196	=head3 cf::map	1826	=head3 cf::map
1197		1827
1198	=over 4	1828	=over 4
1199		1829
…		…
1202	package cf::map;	1832	package cf::map;
1203		1833
1204	use Fcntl;	1834	use Fcntl;
1205	use Coro::AIO;	1835	use Coro::AIO;
1206		1836
		1837	use overload
		1838	'""' => \&as_string,
		1839	fallback => 1;
		1840
1207	our $MAX_RESET = 3600;	1841	our $MAX_RESET = 3600;
1208	our $DEFAULT_RESET = 3000;	1842	our $DEFAULT_RESET = 3000;
1209		1843
1210	sub generate_random_map {	1844	sub generate_random_map {
1211	my ($path, $rmp) = @_;	1845	my ($self, $rmp) = @_;
		1846
		1847	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1212		1848
1213	# mit "rum" bekleckern, nicht	1849	# mit "rum" bekleckern, nicht
1214	cf::map::_create_random_map	1850	$self->_create_random_map (
1215	$path,
1216	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1851	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1217	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1852	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1218	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1853	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1219	$rmp->{exit_on_final_map},	1854	$rmp->{exit_on_final_map},
1220	$rmp->{xsize}, $rmp->{ysize},	1855	$rmp->{xsize}, $rmp->{ysize},
1221	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1856	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1222	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1857	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1223	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1858	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1224	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1859	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1225	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1860	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1226	(cf::region::find $rmp->{region})	1861	(cf::region::find $rmp->{region}), $rmp->{custom}
		1862	)
1227	}	1863	}
1228		1864
1229	# and all this just because we cannot iterate over	1865	=item cf::map->register ($regex, $prio)
1230	# all maps in C++...
1231	sub change_all_map_light {
1232	my ($change) = @_;
1233		1866
1234	$_->change_map_light ($change)	1867	Register a handler for the map path matching the given regex at the
1235	for grep $_->outdoor, values %cf::MAP;	1868	givne priority (higher is better, built-in handlers have priority 0, the
1236	}	1869	default).
1237		1870
1238	sub try_load_header($) {	1871	=cut
		1872
		1873	sub register {
		1874	my (undef, $regex, $prio) = @_;
		1875	my $pkg = caller;
		1876
		1877	push @{"$pkg\::ISA"}, __PACKAGE__;
		1878
		1879	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1880	}
		1881
		1882	# also paths starting with '/'
		1883	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1884
		1885	sub thawer_merge {
		1886	my ($self, $merge) = @_;
		1887
		1888	# we have to keep some variables in memory intact
		1889	local $self->{path};
		1890	local $self->{load_path};
		1891
		1892	$self->SUPER::thawer_merge ($merge);
		1893	}
		1894
		1895	sub normalise {
1239	my ($path) = @_;	1896	my ($path, $base) = @_;
		1897
		1898	$path = "$path"; # make sure it's a string
		1899
		1900	$path =~ s/\.map$//;
		1901
		1902	# map plan:
		1903	#
		1904	# /! non-realised random map exit (special hack!)
		1905	# {... are special paths that are not being touched
		1906	# ?xxx/... are special absolute paths
		1907	# ?random/... random maps
		1908	# /... normal maps
		1909	# ~user/... per-player map of a specific user
		1910
		1911	$path =~ s/$PATH_SEP/\//go;
		1912
		1913	# treat it as relative path if it starts with
		1914	# something that looks reasonable
		1915	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1916	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1917
		1918	$base =~ s{[^/]+/?$}{};
		1919	$path = "$base/$path";
		1920	}
		1921
		1922	for ($path) {
		1923	redo if s{//}{/};
		1924	redo if s{/\.?/}{/};
		1925	redo if s{/[^/]+/\.\./}{/};
		1926	}
		1927
		1928	$path
		1929	}
		1930
		1931	sub new_from_path {
		1932	my (undef, $path, $base) = @_;
		1933
		1934	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1935
		1936	$path = normalise $path, $base;
		1937
		1938	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1939	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1940	my $self = bless cf::map::new, $pkg;
		1941	$self->{path} = $path; $self->path ($path);
		1942	$self->init; # pass $1 etc.
		1943	return $self;
		1944	}
		1945	}
		1946
		1947	Carp::cluck "unable to resolve path '$path' (base '$base')";
		1948	()
		1949	}
		1950
		1951	sub init {
		1952	my ($self) = @_;
		1953
		1954	$self
		1955	}
		1956
		1957	sub as_string {
		1958	my ($self) = @_;
		1959
		1960	"$self->{path}"
		1961	}
		1962
		1963	# the displayed name, this is a one way mapping
		1964	sub visible_name {
		1965	&as_string
		1966	}
		1967
		1968	# the original (read-only) location
		1969	sub load_path {
		1970	my ($self) = @_;
		1971
		1972	"$MAPDIR/$self->{path}.map"
		1973	}
		1974
		1975	# the temporary/swap location
		1976	sub save_path {
		1977	my ($self) = @_;
		1978
		1979	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1980	"$TMPDIR/$path.map"
		1981	}
		1982
		1983	# the unique path, undef == no special unique path
		1984	sub uniq_path {
		1985	my ($self) = @_;
		1986
		1987	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1988	"$UNIQUEDIR/$path"
		1989	}
		1990
		1991	sub decay_objects {
		1992	my ($self) = @_;
		1993
		1994	return if $self->{deny_reset};
		1995
		1996	$self->do_decay_objects;
		1997	}
		1998
		1999	sub unlink_save {
		2000	my ($self) = @_;
		2001
		2002	utf8::encode (my $save = $self->save_path);
		2003	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		2004	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		2005	}
		2006
		2007	sub load_header_from($) {
		2008	my ($self, $path) = @_;
1240		2009
1241	utf8::encode $path;	2010	utf8::encode $path;
1242	aio_open $path, O_RDONLY, 0	2011	my $f = new_from_file cf::object::thawer $path
1243	or return;	2012	or return;
1244		2013
1245	my $map = cf::map::new	2014	$self->_load_header ($f)
1246	or return;	2015	or return;
1247		2016
1248	# for better error messages only, will be overwritten	2017	local $MAP_LOADING{$self->{path}} = $self;
1249	$map->path ($path);	2018	$f->resolve_delayed_derefs;
1250		2019
1251	$map->load_header ($path)	2020	$self->{load_path} = $path;
		2021
		2022	1
		2023	}
		2024
		2025	sub load_header_orig {
		2026	my ($self) = @_;
		2027
		2028	$self->load_header_from ($self->load_path)
		2029	}
		2030
		2031	sub load_header_temp {
		2032	my ($self) = @_;
		2033
		2034	$self->load_header_from ($self->save_path)
		2035	}
		2036
		2037	sub prepare_temp {
		2038	my ($self) = @_;
		2039
		2040	$self->last_access ((delete $self->{last_access})
		2041	|| $cf::RUNTIME); #d#
		2042	# safety
		2043	$self->{instantiate_time} = $cf::RUNTIME
		2044	if $self->{instantiate_time} > $cf::RUNTIME;
		2045	}
		2046
		2047	sub prepare_orig {
		2048	my ($self) = @_;
		2049
		2050	$self->{load_original} = 1;
		2051	$self->{instantiate_time} = $cf::RUNTIME;
		2052	$self->last_access ($cf::RUNTIME);
		2053	$self->instantiate;
		2054	}
		2055
		2056	sub load_header {
		2057	my ($self) = @_;
		2058
		2059	if ($self->load_header_temp) {
		2060	$self->prepare_temp;
		2061	} else {
		2062	$self->load_header_orig
1252	or return;	2063	or return;
		2064	$self->prepare_orig;
		2065	}
1253		2066
1254	$map->{load_path} = $path;	2067	$self->{deny_reset} = 1
		2068	if $self->no_reset;
1255		2069
1256	$map	2070	$self->default_region (cf::region::find_by_path $self->{path})
		2071	unless $self->default_region;
		2072
		2073	1
1257	}	2074	}
1258		2075
1259	sub find;	2076	sub find;
1260	sub find {	2077	sub find {
1261	my ($path, $origin) = @_;	2078	my ($path, $origin) = @_;
1262		2079
1263	#warn "find<$path,$origin>\n";#d#	2080	cf::cede_to_tick;
1264		2081
1265	$path = new cf::path $path, $origin && $origin->path;	2082	$path = normalise $path, $origin && $origin->path;
1266	my $key = $path->as_string;
1267		2083
1268	cf::lock_wait "map_find:$key";	2084	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";	2085	my $guard2 = cf::lock_acquire "map_find:$path";
1272		2086
1273	# do it the slow way	2087	$cf::MAP{$path} || do {
1274	my $map = try_load_header $path->save_path;	2088	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;	2089	or return;
1292		2090
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;	2091	$map->{last_save} = $cf::RUNTIME;
1305		2092
1306	Coro::cede;	2093	$map->load_header
		2094	or return;
1307		2095
1308	if ($map->should_reset) {	2096	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2097	# doing this can freeze the server in a sync job, obviously
		2098	#$cf::WAIT_FOR_TICK->wait;
		2099	undef $guard2;
		2100	undef $guard1;
1309	$map->reset;	2101	$map->reset;
1310	undef $guard;
1311	$map = find $path	2102	return find $path;
1312	or return;
1313	}	2103	}
1314		2104
1315	$cf::MAP{$key} = $map	2105	$cf::MAP{$path} = $map
1316	}	2106	}
1317	}	2107	}
		2108
		2109	sub pre_load { }
		2110	#sub post_load { } # XS
1318		2111
1319	sub load {	2112	sub load {
1320	my ($self) = @_;	2113	my ($self) = @_;
1321		2114
		2115	local $self->{deny_reset} = 1; # loading can take a long time
		2116
1322	my $path = $self->{path};	2117	my $path = $self->{path};
		2118
		2119	{
1323	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2120	my $guard = cf::lock_acquire "map_data:$path";
1324		2121
		2122	return unless $self->valid;
1325	return if $self->in_memory != cf::MAP_SWAPPED;	2123	return unless $self->in_memory == cf::MAP_SWAPPED;
1326		2124
1327	$self->in_memory (cf::MAP_LOADING);	2125	$self->in_memory (cf::MAP_LOADING);
1328		2126
1329	$self->alloc;	2127	$self->alloc;
1330	$self->load_objects ($self->{load_path}, 1)	2128
		2129	$self->pre_load;
		2130	cf::cede_to_tick;
		2131
		2132	my $f = new_from_file cf::object::thawer $self->{load_path};
		2133	$f->skip_block;
		2134	$self->_load_objects ($f)
1331	or return;	2135	or return;
1332		2136
1333	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2137	$self->post_load_original
1334	if delete $self->{load_original};	2138	if delete $self->{load_original};
1335		2139
1336	if (my $uniq = $path->uniq_path) {	2140	if (my $uniq = $self->uniq_path) {
1337	utf8::encode $uniq;	2141	utf8::encode $uniq;
1338	if (aio_open $uniq, O_RDONLY, 0) {	2142	unless (aio_stat $uniq) {
		2143	if (my $f = new_from_file cf::object::thawer $uniq) {
1339	$self->clear_unique_items;	2144	$self->clear_unique_items;
1340	$self->load_objects ($uniq, 0);	2145	$self->_load_objects ($f);
		2146	$f->resolve_delayed_derefs;
		2147	}
1341	}	2148	}
1342	}	2149	}
1343		2150
1344	Coro::cede;	2151	$f->resolve_delayed_derefs;
1345		2152
		2153	cf::cede_to_tick;
1346	# now do the right thing for maps	2154	# now do the right thing for maps
1347	$self->link_multipart_objects;	2155	$self->link_multipart_objects;
1348
1349	if ($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)	2156	$self->difficulty ($self->estimate_difficulty)
1358	unless $self->difficulty;	2157	unless $self->difficulty;
		2158	cf::cede_to_tick;
		2159
		2160	unless ($self->{deny_activate}) {
		2161	$self->decay_objects;
		2162	$self->fix_auto_apply;
		2163	$self->update_buttons;
		2164	cf::cede_to_tick;
1359	$self->activate;	2165	$self->activate;
1360	}	2166	}
1361		2167
1362	Coro::cede;	2168	$self->{last_save} = $cf::RUNTIME;
		2169	$self->last_access ($cf::RUNTIME);
1363		2170
1364	$self->in_memory (cf::MAP_IN_MEMORY);	2171	$self->in_memory (cf::MAP_ACTIVE);
		2172	}
		2173
		2174	$self->post_load;
		2175	}
		2176
		2177	# customize the map for a given player, i.e.
		2178	# return the _real_ map. used by e.g. per-player
		2179	# maps to change the path to ~playername/mappath
		2180	sub customise_for {
		2181	my ($self, $ob) = @_;
		2182
		2183	return find "~" . $ob->name . "/" . $self->{path}
		2184	if $self->per_player;
		2185
		2186	# return find "?party/" . $ob->name . "/" . $self->{path}
		2187	# if $self->per_party;
		2188
		2189	$self
		2190	}
		2191
		2192	# find and load all maps in the 3x3 area around a map
		2193	sub load_neighbours {
		2194	my ($map) = @_;
		2195
		2196	my @neigh; # diagonal neighbours
		2197
		2198	for (0 .. 3) {
		2199	my $neigh = $map->tile_path ($_)
		2200	or next;
		2201	$neigh = find $neigh, $map
		2202	or next;
		2203	$neigh->load;
		2204
		2205	# now find the diagonal neighbours
		2206	push @neigh,
		2207	[$neigh->tile_path (($_ + 3) % 4), $neigh],
		2208	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		2209	}
		2210
		2211	for (grep defined $_->[0], @neigh) {
		2212	my ($path, $origin) = @$_;
		2213	my $neigh = find $path, $origin
		2214	or next;
		2215	$neigh->load;
		2216	}
1365	}	2217	}
1366		2218
1367	sub find_sync {	2219	sub find_sync {
1368	my ($path, $origin) = @_;	2220	my ($path, $origin) = @_;
1369		2221
1370	cf::sync_job { cf::map::find $path, $origin }	2222	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2223	if $Coro::current == $Coro::main;
		2224
		2225	find $path, $origin
1371	}	2226	}
1372		2227
1373	sub do_load_sync {	2228	sub do_load_sync {
1374	my ($map) = @_;	2229	my ($map) = @_;
1375		2230
1376	cf::sync_job { $map->load };	2231	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2232	if $Coro::current == $Coro::main;
		2233
		2234	$map->load;
		2235	}
		2236
		2237	our %MAP_PREFETCH;
		2238	our $MAP_PREFETCHER = undef;
		2239
		2240	sub find_async {
		2241	my ($path, $origin, $load) = @_;
		2242
		2243	$path = normalise $path, $origin && $origin->{path};
		2244
		2245	if (my $map = $cf::MAP{$path}) {
		2246	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2247	}
		2248
		2249	$MAP_PREFETCH{$path} |= $load;
		2250
		2251	$MAP_PREFETCHER ||= cf::async {
		2252	$Coro::current->{desc} = "map prefetcher";
		2253
		2254	while (%MAP_PREFETCH) {
		2255	while (my ($k, $v) = each %MAP_PREFETCH) {
		2256	if (my $map = find $k) {
		2257	$map->load if $v;
		2258	}
		2259
		2260	delete $MAP_PREFETCH{$k};
		2261	}
		2262	}
		2263	undef $MAP_PREFETCHER;
		2264	};
		2265	$MAP_PREFETCHER->prio (6);
		2266
		2267	()
		2268	}
		2269
		2270	# common code, used by both ->save and ->swapout
		2271	sub _save {
		2272	my ($self) = @_;
		2273
		2274	$self->{last_save} = $cf::RUNTIME;
		2275
		2276	return unless $self->dirty;
		2277
		2278	my $save = $self->save_path; utf8::encode $save;
		2279	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2280
		2281	$self->{load_path} = $save;
		2282
		2283	return if $self->{deny_save};
		2284
		2285	local $self->{last_access} = $self->last_access;#d#
		2286
		2287	cf::async {
		2288	$Coro::current->{desc} = "map player save";
		2289	$_->contr->save for $self->players;
		2290	};
		2291
		2292	cf::get_slot 0.02;
		2293
		2294	if ($uniq) {
		2295	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
		2296	$self->_save_objects ($uniq, cf::IO_UNIQUES);
		2297	} else {
		2298	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
		2299	}
1377	}	2300	}
1378		2301
1379	sub save {	2302	sub save {
1380	my ($self) = @_;	2303	my ($self) = @_;
1381		2304
1382	my $lock = cf::lock_acquire "map_data:" . $self->path;	2305	my $lock = cf::lock_acquire "map_data:$self->{path}";
1383		2306
1384	$self->{last_save} = $cf::RUNTIME;	2307	$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	}	2308	}
1408		2309
1409	sub swap_out {	2310	sub swap_out {
1410	my ($self) = @_;	2311	my ($self) = @_;
1411		2312
1412	# save first because save cedes
1413	$self->save;
1414
1415	my $lock = cf::lock_acquire "map_data:" . $self->path;	2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
1416		2314
		2315	return if $self->in_memory != cf::MAP_ACTIVE;
		2316	return if $self->{deny_save};
1417	return if $self->players;	2317	return if $self->players;
1418	return if $self->in_memory != cf::MAP_IN_MEMORY;
1419	return if $self->{deny_save};
1420		2318
		2319	# first deactivate the map and "unlink" it from the core
		2320	$self->deactivate;
		2321	$_->clear_links_to ($self) for values %cf::MAP;
		2322	$self->in_memory (cf::MAP_SWAPPED);
		2323
		2324	# then atomically save
		2325	$self->_save;
		2326
		2327	# then free the map
1421	$self->clear;	2328	$self->clear;
1422	$self->in_memory (cf::MAP_SWAPPED);
1423	}	2329	}
1424		2330
1425	sub reset_at {	2331	sub reset_at {
1426	my ($self) = @_;	2332	my ($self) = @_;
1427		2333
1428	# TODO: safety, remove and allow resettable per-player maps	2334	# TODO: safety, remove and allow resettable per-player maps
1429	return 1e99 if $self->{path}{user_rel};
1430	return 1e99 if $self->{deny_reset};	2335	return 1e99 if $self->{deny_reset};
1431		2336
1432	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2337	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1433	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2338	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1434		2339
…		…
1439	my ($self) = @_;	2344	my ($self) = @_;
1440		2345
1441	$self->reset_at <= $cf::RUNTIME	2346	$self->reset_at <= $cf::RUNTIME
1442	}	2347	}
1443		2348
1444	sub unlink_save {
1445	my ($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	$self->save;
1463	}
1464
1465	sub reset {	2349	sub reset {
1466	my ($self) = @_;	2350	my ($self) = @_;
1467		2351
1468	my $lock = cf::lock_acquire "map_data:" . $self->path;	2352	my $lock = cf::lock_acquire "map_data:$self->{path}";
1469		2353
1470	return if $self->players;	2354	return if $self->players;
1471	return if $self->{path}{user_rel};#d#
1472		2355
1473	warn "resetting map ", $self->path;#d#	2356	cf::trace "resetting map ", $self->path, "\n";
		2357
		2358	$self->in_memory (cf::MAP_SWAPPED);
		2359
		2360	# need to save uniques path
		2361	unless ($self->{deny_save}) {
		2362	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2363
		2364	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2365	if $uniq;
		2366	}
1474		2367
1475	delete $cf::MAP{$self->path};	2368	delete $cf::MAP{$self->path};
1476		2369
		2370	$self->deactivate;
1477	$_->clear_links_to ($self) for values %cf::MAP;	2371	$_->clear_links_to ($self) for values %cf::MAP;
		2372	$self->clear;
1478		2373
1479	$self->unlink_save;	2374	$self->unlink_save;
1480	$self->destroy;	2375	$self->destroy;
1481	}	2376	}
1482		2377
1483	my $nuke_counter = "aaaa";	2378	my $nuke_counter = "aaaa";
1484		2379
1485	sub nuke {	2380	sub nuke {
1486	my ($self) = @_;	2381	my ($self) = @_;
1487		2382
		2383	{
		2384	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2385
		2386	delete $cf::MAP{$self->path};
		2387
		2388	$self->unlink_save;
		2389
		2390	bless $self, "cf::map::wrap";
		2391	delete $self->{deny_reset};
1488	$self->{deny_save} = 1;	2392	$self->{deny_save} = 1;
1489	$self->reset_timeout (1);	2393	$self->reset_timeout (1);
1490	$self->rename ("{nuke}/" . ($nuke_counter++));	2394	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2395
		2396	$cf::MAP{$self->path} = $self;
		2397	}
		2398
1491	$self->reset; # polite request, might not happen	2399	$self->reset; # polite request, might not happen
1492	}	2400	}
1493		2401
1494	sub customise_for {	2402	=item $maps = cf::map::tmp_maps
1495	my ($map, $ob) = @_;
1496		2403
1497	if ($map->per_player) {	2404	Returns an arrayref with all map paths of currently instantiated and saved
1498	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2405	maps. May block.
		2406
		2407	=cut
		2408
		2409	sub tmp_maps() {
1499	}	2410	[
1500		2411	map {
1501	$map	2412	utf8::decode $_;
		2413	/\.map$/
		2414	? normalise $_
		2415	: ()
		2416	} @{ aio_readdir $TMPDIR or [] }
		2417	]
1502	}	2418	}
1503		2419
1504	sub emergency_save {	2420	=item $maps = cf::map::random_maps
1505	my $freeze_guard = cf::freeze_mainloop;
1506		2421
1507	warn "enter emergency perl save\n";	2422	Returns an arrayref with all map paths of currently instantiated and saved
		2423	random maps. May block.
1508		2424
1509	cf::sync_job {	2425	=cut
1510	warn "begin emergency player save\n";
1511	$_->save for values %cf::PLAYER;
1512	warn "end emergency player save\n";
1513		2426
1514	warn "begin emergency map save\n";	2427	sub random_maps() {
1515	$_->save for values %cf::MAP;	2428	[
1516	warn "end emergency map save\n";	2429	map {
		2430	utf8::decode $_;
		2431	/\.map$/
		2432	? normalise "?random/$_"
		2433	: ()
		2434	} @{ aio_readdir $RANDOMDIR or [] }
		2435	]
		2436	}
		2437
		2438	=item cf::map::unique_maps
		2439
		2440	Returns an arrayref of paths of all shared maps that have
		2441	instantiated unique items. May block.
		2442
		2443	=cut
		2444
		2445	sub unique_maps() {
		2446	[
		2447	map {
		2448	utf8::decode $_;
		2449	s/\.map$//; # TODO future compatibility hack
		2450	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
		2451	? ()
		2452	: normalise $_
		2453	} @{ aio_readdir $UNIQUEDIR or [] }
		2454	]
		2455	}
		2456
		2457	=item cf::map::static_maps
		2458
		2459	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2460	file in the shared directory excluding F</styles> and F</editor>). May
		2461	block.
		2462
		2463	=cut
		2464
		2465	sub static_maps() {
		2466	my @dirs = "";
		2467	my @maps;
		2468
		2469	while (@dirs) {
		2470	my $dir = shift @dirs;
		2471
		2472	next if $dir eq "/styles" || $dir eq "/editor";
		2473
		2474	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2475	or return;
		2476
		2477	for (@$files) {
		2478	s/\.map$// or next;
		2479	utf8::decode $_;
		2480	push @maps, "$dir/$_";
		2481	}
		2482
		2483	push @dirs, map "$dir/$_", @$dirs;
1517	};	2484	}
1518		2485
1519	warn "leave emergency perl save\n";	2486	\@maps
		2487	}
		2488
		2489	=back
		2490
		2491	=head3 cf::object
		2492
		2493	=cut
		2494
		2495	package cf::object;
		2496
		2497	=over 4
		2498
		2499	=item $ob->inv_recursive
		2500
		2501	Returns the inventory of the object I<and> their inventories, recursively,
		2502	but I<not> the object itself.
		2503
		2504	=cut
		2505
		2506	sub inv_recursive_;
		2507	sub inv_recursive_ {
		2508	map { $_, inv_recursive_ $_->inv } @_
		2509	}
		2510
		2511	sub inv_recursive {
		2512	inv_recursive_ inv $_[0]
		2513	}
		2514
		2515	=item $ref = $ob->ref
		2516
		2517	Creates and returns a persistent reference to an object that can be stored as a string.
		2518
		2519	=item $ob = cf::object::deref ($refstring)
		2520
		2521	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2522	even if the object actually exists. May block.
		2523
		2524	=cut
		2525
		2526	sub deref {
		2527	my ($ref) = @_;
		2528
		2529	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2530	my ($uuid, $name) = ($1, $2);
		2531	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2532	or return;
		2533	$pl->ob->uuid eq $uuid
		2534	or return;
		2535
		2536	$pl->ob
		2537	} else {
		2538	warn "$ref: cannot resolve object reference\n";
		2539	undef
		2540	}
1520	}	2541	}
1521		2542
1522	package cf;	2543	package cf;
1523		2544
1524	=back	2545	=back
1525
1526		2546
1527	=head3 cf::object::player	2547	=head3 cf::object::player
1528		2548
1529	=over 4	2549	=over 4
1530		2550
…		…
1533	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2553	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	2554	can be C<undef>. Does the right thing when the player is currently in a
1535	dialogue with the given NPC character.	2555	dialogue with the given NPC character.
1536		2556
1537	=cut	2557	=cut
		2558
		2559	our $SAY_CHANNEL = {
		2560	id => "say",
		2561	title => "Map",
		2562	reply => "say ",
		2563	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2564	};
		2565
		2566	our $CHAT_CHANNEL = {
		2567	id => "chat",
		2568	title => "Chat",
		2569	reply => "chat ",
		2570	tooltip => "Player chat and shouts, global to the server.",
		2571	};
1538		2572
1539	# rough implementation of a future "reply" method that works	2573	# rough implementation of a future "reply" method that works
1540	# with dialog boxes.	2574	# with dialog boxes.
1541	#TODO: the first argument must go, split into a $npc->reply_to ( method	2575	#TODO: the first argument must go, split into a $npc->reply_to ( method
1542	sub cf::object::player::reply($$$;$) {	2576	sub cf::object::player::reply($$$;$) {
…		…
1544		2578
1545	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2579	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1546		2580
1547	if ($self->{record_replies}) {	2581	if ($self->{record_replies}) {
1548	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2582	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2583
1549	} else {	2584	} else {
		2585	my $pl = $self->contr;
		2586
		2587	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2588	my $dialog = $pl->{npc_dialog};
		2589	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2590
		2591	} else {
1550	$msg = $npc->name . " says: $msg" if $npc;	2592	$msg = $npc->name . " says: $msg" if $npc;
1551	$self->message ($msg, $flags);	2593	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2594	}
1552	}	2595	}
		2596	}
		2597
		2598	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2599
		2600	=cut
		2601
		2602	sub cf::object::send_msg {
		2603	my $pl = shift->contr
		2604	or return;
		2605	$pl->send_msg (@_);
1553	}	2606	}
1554		2607
1555	=item $player_object->may ("access")	2608	=item $player_object->may ("access")
1556		2609
1557	Returns wether the given player is authorized to access resource "access"	2610	Returns wether the given player is authorized to access resource "access"
…		…
1570		2623
1571	=item $player_object->enter_link	2624	=item $player_object->enter_link
1572		2625
1573	Freezes the player and moves him/her to a special map (C<{link}>).	2626	Freezes the player and moves him/her to a special map (C<{link}>).
1574		2627
1575	The player should be reaosnably safe there for short amounts of time. You	2628	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.	2629	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2630	though, as the player cannot control the character while it is on the link
		2631	map.
		2632
		2633	Will never block.
1577		2634
1578	=item $player_object->leave_link ($map, $x, $y)	2635	=item $player_object->leave_link ($map, $x, $y)
1579		2636
1580	Moves the player out of the specila link map onto the given map. If the	2637	Moves the player out of the special C<{link}> map onto the specified
1581	map is not valid (or omitted), the player will be moved back to the	2638	map. If the map is not valid (or omitted), the player will be moved back
1582	location he/she was before the call to C<enter_link>, or, if that fails,	2639	to the location he/she was before the call to C<enter_link>, or, if that
1583	to the emergency map position.	2640	fails, to the emergency map position.
1584		2641
1585	Might block.	2642	Might block.
1586		2643
1587	=cut	2644	=cut
		2645
		2646	sub link_map {
		2647	unless ($LINK_MAP) {
		2648	$LINK_MAP = cf::map::find "{link}"
		2649	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2650	$LINK_MAP->load;
		2651	}
		2652
		2653	$LINK_MAP
		2654	}
1588		2655
1589	sub cf::object::player::enter_link {	2656	sub cf::object::player::enter_link {
1590	my ($self) = @_;	2657	my ($self) = @_;
1591		2658
1592	$self->deactivate_recursive;	2659	$self->deactivate_recursive;
1593		2660
1594	return if $self->map == $LINK_MAP;	2661	++$self->{_link_recursion};
		2662
		2663	return if UNIVERSAL::isa $self->map, "ext::map_link";
1595		2664
1596	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2665	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1597	if $self->map;	2666	if $self->map && $self->map->{path} ne "{link}";
1598		2667
1599	$self->enter_map ($LINK_MAP, 20, 20);	2668	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1600	}	2669	}
1601		2670
1602	sub cf::object::player::leave_link {	2671	sub cf::object::player::leave_link {
1603	my ($self, $map, $x, $y) = @_;	2672	my ($self, $map, $x, $y) = @_;
		2673
		2674	return unless $self->contr->active;
1604		2675
1605	my $link_pos = delete $self->{_link_pos};	2676	my $link_pos = delete $self->{_link_pos};
1606		2677
1607	unless ($map) {	2678	unless ($map) {
1608	# restore original map position	2679	# restore original map position
…		…
1619	($x, $y) = (-1, -1)	2690	($x, $y) = (-1, -1)
1620	unless (defined $x) && (defined $y);	2691	unless (defined $x) && (defined $y);
1621		2692
1622	# use -1 or undef as default coordinates, not 0, 0	2693	# use -1 or undef as default coordinates, not 0, 0
1623	($x, $y) = ($map->enter_x, $map->enter_y)	2694	($x, $y) = ($map->enter_x, $map->enter_y)
1624	if $x <=0 && $y <= 0;	2695	if $x <= 0 && $y <= 0;
1625		2696
1626	$map->load;	2697	$map->load;
		2698	$map->load_neighbours;
1627		2699
1628	return unless $self->contr->active;	2700	return unless $self->contr->active;
		2701
		2702	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2703	if ($self->enter_map ($map, $x, $y)) {
		2704	# entering was successful
		2705	delete $self->{_link_recursion};
		2706	# only activate afterwards, to support waiting in hooks
1629	$self->activate_recursive;	2707	$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	$pl->ob->leave_link
1641	};
1642	}
1643	},	2708	}
1644	on_login => sub {
1645	my ($pl) = @_;
1646		2709
1647	# try to abort aborted map switching on player login :)	2710	}
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		2711
1665	=item $player_object->goto ($path, $x, $y)	2712	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1666		2713
		2714	Moves the player to the given map-path and coordinates by first freezing
		2715	her, loading and preparing them map, calling the provided $check callback
		2716	that has to return the map if sucecssful, and then unfreezes the player on
		2717	the new (success) or old (failed) map position. In either case, $done will
		2718	be called at the end of this process.
		2719
		2720	Note that $check will be called with a potentially non-loaded map, so if
		2721	it needs a loaded map it has to call C<< ->load >>.
		2722
1667	=cut	2723	=cut
		2724
		2725	our $GOTOGEN;
1668		2726
1669	sub cf::object::player::goto {	2727	sub cf::object::player::goto {
1670	my ($self, $path, $x, $y) = @_;	2728	my ($self, $path, $x, $y, $check, $done) = @_;
		2729
		2730	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2731	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2732	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2733	($path, $x, $y) = @$EMERGENCY_POSITION;
		2734	}
		2735
		2736	# do generation counting so two concurrent goto's will be executed in-order
		2737	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1671		2738
1672	$self->enter_link;	2739	$self->enter_link;
1673		2740
1674	(async {	2741	(async {
1675	$path = new cf::path $path;	2742	$Coro::current->{desc} = "player::goto $path $x $y";
1676		2743
1677	my $map = cf::map::find $path->as_string;	2744	# *tag paths override both path and x|y
		2745	if ($path =~ /^\*(.*)$/) {
		2746	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2747	my $ob = $obs[rand @obs];
		2748
		2749	# see if we actually can go there
		2750	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2751	$ob = $obs[rand @obs];
		2752	} else {
		2753	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2754	}
		2755	# else put us there anyways for now #d#
		2756
		2757	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2758	} else {
		2759	($path, $x, $y) = (undef, undef, undef);
		2760	}
		2761	}
		2762
		2763	my $map = eval {
		2764	my $map = defined $path ? cf::map::find $path : undef;
		2765
		2766	if ($map) {
1678	$map = $map->customise_for ($self) if $map;	2767	$map = $map->customise_for ($self);
1679		2768	$map = $check->($map, $x, $y, $self) if $check && $map;
1680	# warn "entering ", $map->path, " at ($x, $y)\n"	2769	} 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);	2770	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2771	}
1685		2772
		2773	$map
		2774	};
		2775
		2776	if ($@) {
		2777	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2778	LOG llevError | logBacktrace, Carp::longmess $@;
		2779	}
		2780
		2781	if ($gen == $self->{_goto_generation}) {
		2782	delete $self->{_goto_generation};
1686	$self->leave_link ($map, $x, $y);	2783	$self->leave_link ($map, $x, $y);
		2784	}
		2785
		2786	$done->($self) if $done;
1687	})->prio (1);	2787	})->prio (1);
1688	}	2788	}
1689		2789
1690	=item $player_object->enter_exit ($exit_object)	2790	=item $player_object->enter_exit ($exit_object)
1691		2791
…		…
1693		2793
1694	sub parse_random_map_params {	2794	sub parse_random_map_params {
1695	my ($spec) = @_;	2795	my ($spec) = @_;
1696		2796
1697	my $rmp = { # defaults	2797	my $rmp = { # defaults
1698	xsize => 10,	2798	xsize => (cf::rndm 15, 40),
1699	ysize => 10,	2799	ysize => (cf::rndm 15, 40),
		2800	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2801	#layout => string,
1700	};	2802	};
1701		2803
1702	for (split /\n/, $spec) {	2804	for (split /\n/, $spec) {
1703	my ($k, $v) = split /\s+/, $_, 2;	2805	my ($k, $v) = split /\s+/, $_, 2;
1704		2806
…		…
1716	# that depends on the exit object	2818	# that depends on the exit object
1717		2819
1718	my $rmp = parse_random_map_params $exit->msg;	2820	my $rmp = parse_random_map_params $exit->msg;
1719		2821
1720	if ($exit->map) {	2822	if ($exit->map) {
1721	$rmp->{region} = $exit->map->region_name;	2823	$rmp->{region} = $exit->region->name;
1722	$rmp->{origin_map} = $exit->map->path;	2824	$rmp->{origin_map} = $exit->map->path;
1723	$rmp->{origin_x} = $exit->x;	2825	$rmp->{origin_x} = $exit->x;
1724	$rmp->{origin_y} = $exit->y;	2826	$rmp->{origin_y} = $exit->y;
		2827
		2828	$exit->map->touch;
1725	}	2829	}
1726		2830
1727	$rmp->{random_seed} ||= $exit->random_seed;	2831	$rmp->{random_seed} ||= $exit->random_seed;
1728		2832
1729	my $data = cf::to_json $rmp;	2833	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1730	my $md5 = Digest::MD5::md5_hex $data;	2834	my $md5 = Digest::MD5::md5_hex $data;
		2835	my $meta = "$RANDOMDIR/$md5.meta";
1731		2836
1732	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2837	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1733	aio_write $fh, 0, (length $data), $data, 0;	2838	aio_write $fh, 0, (length $data), $data, 0;
		2839	undef $fh;
		2840	aio_rename "$meta~", $meta;
1734		2841
		2842	my $slaying = "?random/$md5";
		2843
		2844	if ($exit->valid) {
1735	$exit->slaying ("?random/$md5");	2845	$exit->slaying ("?random/$md5");
1736	$exit->msg (undef);	2846	$exit->msg (undef);
		2847	}
1737	}	2848	}
1738	}	2849	}
1739		2850
1740	sub cf::object::player::enter_exit {	2851	sub cf::object::player::enter_exit {
1741	my ($self, $exit) = @_;	2852	my ($self, $exit) = @_;
…		…
1743	return unless $self->type == cf::PLAYER;	2854	return unless $self->type == cf::PLAYER;
1744		2855
1745	$self->enter_link;	2856	$self->enter_link;
1746		2857
1747	(async {	2858	(async {
1748	$self->deactivate_recursive; # just to be sure	2859	$Coro::current->{desc} = "enter_exit";
		2860
1749	unless (eval {	2861	unless (eval {
		2862	$self->deactivate_recursive; # just to be sure
		2863
		2864	# random map handling
		2865	{
		2866	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2867
1750	prepare_random_map $exit	2868	prepare_random_map $exit
1751	if $exit->slaying eq "/!";	2869	if $exit->slaying eq "/!";
		2870	}
1752		2871
1753	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;	2872	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1754	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2873	my $x = $exit->stats->hp;
		2874	my $y = $exit->stats->sp;
1755		2875
		2876	$self->goto ($map, $x, $y);
		2877
		2878	# if exit is damned, update players death & WoR home-position
		2879	$self->contr->savebed ($map, $x, $y)
		2880	if $exit->flag (cf::FLAG_DAMNED);
		2881
1756	1;	2882	1
1757	}) {	2883	}) {
1758	$self->message ("Something went wrong deep within the crossfire server. "	2884	$self->message ("Something went wrong deep within the deliantra server. "
1759	. "I'll try to bring you back to the map you were before. "	2885	. "I'll try to bring you back to the map you were before. "
1760	. "Please report this to the dungeon master",	2886	. "Please report this to the dungeon master!",
1761	cf::NDI_UNIQUE | cf::NDI_RED);	2887	cf::NDI_UNIQUE | cf::NDI_RED);
1762		2888
1763	warn "ERROR in enter_exit: $@";	2889	error "ERROR in enter_exit: $@";
1764	$self->leave_link;	2890	$self->leave_link;
1765	}	2891	}
1766	})->prio (1);	2892	})->prio (1);
1767	}	2893	}
1768		2894
…		…
1779		2905
1780	sub cf::client::send_drawinfo {	2906	sub cf::client::send_drawinfo {
1781	my ($self, $text, $flags) = @_;	2907	my ($self, $text, $flags) = @_;
1782		2908
1783	utf8::encode $text;	2909	utf8::encode $text;
1784	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2910	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1785	}	2911	}
1786		2912
		2913	=item $client->send_big_packet ($pkt)
		2914
		2915	Like C<send_packet>, but tries to compress large packets, and fragments
		2916	them as required.
		2917
		2918	=cut
		2919
		2920	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2921
		2922	sub cf::client::send_big_packet {
		2923	my ($self, $pkt) = @_;
		2924
		2925	# try lzf for large packets
		2926	$pkt = "lzf " . Compress::LZF::compress $pkt
		2927	if 1024 <= length $pkt and $self->{can_lzf};
		2928
		2929	# split very large packets
		2930	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2931	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2932	$pkt = "frag";
		2933	}
		2934
		2935	$self->send_packet ($pkt);
		2936	}
		2937
		2938	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2939
		2940	Send a drawinfo or msg packet to the client, formatting the msg for the
		2941	client if neccessary. C<$type> should be a string identifying the type of
		2942	the message, with C<log> being the default. If C<$color> is negative, suppress
		2943	the message unless the client supports the msg packet.
		2944
		2945	=cut
		2946
		2947	# non-persistent channels (usually the info channel)
		2948	our %CHANNEL = (
		2949	"c/motd" => {
		2950	id => "infobox",
		2951	title => "MOTD",
		2952	reply => undef,
		2953	tooltip => "The message of the day",
		2954	},
		2955	"c/identify" => {
		2956	id => "infobox",
		2957	title => "Identify",
		2958	reply => undef,
		2959	tooltip => "Items recently identified",
		2960	},
		2961	"c/examine" => {
		2962	id => "infobox",
		2963	title => "Examine",
		2964	reply => undef,
		2965	tooltip => "Signs and other items you examined",
		2966	},
		2967	"c/shopinfo" => {
		2968	id => "infobox",
		2969	title => "Shop Info",
		2970	reply => undef,
		2971	tooltip => "What your bargaining skill tells you about the shop",
		2972	},
		2973	"c/book" => {
		2974	id => "infobox",
		2975	title => "Book",
		2976	reply => undef,
		2977	tooltip => "The contents of a note or book",
		2978	},
		2979	"c/lookat" => {
		2980	id => "infobox",
		2981	title => "Look",
		2982	reply => undef,
		2983	tooltip => "What you saw there",
		2984	},
		2985	"c/who" => {
		2986	id => "infobox",
		2987	title => "Players",
		2988	reply => undef,
		2989	tooltip => "Shows players who are currently online",
		2990	},
		2991	"c/body" => {
		2992	id => "infobox",
		2993	title => "Body Parts",
		2994	reply => undef,
		2995	tooltip => "Shows which body parts you posess and are available",
		2996	},
		2997	"c/statistics" => {
		2998	id => "infobox",
		2999	title => "Statistics",
		3000	reply => undef,
		3001	tooltip => "Shows your primary statistics",
		3002	},
		3003	"c/skills" => {
		3004	id => "infobox",
		3005	title => "Skills",
		3006	reply => undef,
		3007	tooltip => "Shows your experience per skill and item power",
		3008	},
		3009	"c/shopitems" => {
		3010	id => "infobox",
		3011	title => "Shop Items",
		3012	reply => undef,
		3013	tooltip => "Shows the items currently for sale in this shop",
		3014	},
		3015	"c/resistances" => {
		3016	id => "infobox",
		3017	title => "Resistances",
		3018	reply => undef,
		3019	tooltip => "Shows your resistances",
		3020	},
		3021	"c/pets" => {
		3022	id => "infobox",
		3023	title => "Pets",
		3024	reply => undef,
		3025	tooltip => "Shows information abotu your pets/a specific pet",
		3026	},
		3027	"c/perceiveself" => {
		3028	id => "infobox",
		3029	title => "Perceive Self",
		3030	reply => undef,
		3031	tooltip => "You gained detailed knowledge about yourself",
		3032	},
		3033	"c/uptime" => {
		3034	id => "infobox",
		3035	title => "Uptime",
		3036	reply => undef,
		3037	tooltip => "How long the server has been running since last restart",
		3038	},
		3039	"c/mapinfo" => {
		3040	id => "infobox",
		3041	title => "Map Info",
		3042	reply => undef,
		3043	tooltip => "Information related to the maps",
		3044	},
		3045	"c/party" => {
		3046	id => "party",
		3047	title => "Party",
		3048	reply => "gsay ",
		3049	tooltip => "Messages and chat related to your party",
		3050	},
		3051	"c/death" => {
		3052	id => "death",
		3053	title => "Death",
		3054	reply => undef,
		3055	tooltip => "Reason for and more info about your most recent death",
		3056	},
		3057	"c/say" => $SAY_CHANNEL,
		3058	"c/chat" => $CHAT_CHANNEL,
		3059	);
		3060
		3061	sub cf::client::send_msg {
		3062	my ($self, $channel, $msg, $color, @extra) = @_;
		3063
		3064	$msg = $self->pl->expand_cfpod ($msg)
		3065	unless $color & cf::NDI_VERBATIM;
		3066
		3067	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3068
		3069	# check predefined channels, for the benefit of C
		3070	if ($CHANNEL{$channel}) {
		3071	$channel = $CHANNEL{$channel};
		3072
		3073	$self->ext_msg (channel_info => $channel);
		3074	$channel = $channel->{id};
		3075
		3076	} elsif (ref $channel) {
		3077	# send meta info to client, if not yet sent
		3078	unless (exists $self->{channel}{$channel->{id}}) {
		3079	$self->{channel}{$channel->{id}} = $channel;
		3080	$self->ext_msg (channel_info => $channel);
		3081	}
		3082
		3083	$channel = $channel->{id};
		3084	}
		3085
		3086	return unless @extra || length $msg;
		3087
		3088	# default colour, mask it out
		3089	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3090	if $color & cf::NDI_DEF;
		3091
		3092	my $pkt = "msg "
		3093	. $self->{json_coder}->encode (
		3094	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3095	);
		3096
		3097	$self->send_big_packet ($pkt);
		3098	}
		3099
		3100	=item $client->ext_msg ($type, @msg)
		3101
		3102	Sends an ext event to the client.
		3103
		3104	=cut
		3105
		3106	sub cf::client::ext_msg($$@) {
		3107	my ($self, $type, @msg) = @_;
		3108
		3109	if ($self->extcmd == 2) {
		3110	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3111	} elsif ($self->extcmd == 1) { # TODO: remove
		3112	push @msg, msgtype => "event_$type";
		3113	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3114	}
		3115	}
		3116
		3117	=item $client->ext_reply ($msgid, @msg)
		3118
		3119	Sends an ext reply to the client.
		3120
		3121	=cut
		3122
		3123	sub cf::client::ext_reply($$@) {
		3124	my ($self, $id, @msg) = @_;
		3125
		3126	if ($self->extcmd == 2) {
		3127	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3128	} elsif ($self->extcmd == 1) {
		3129	#TODO: version 1, remove
		3130	unshift @msg, msgtype => "reply", msgid => $id;
		3131	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3132	}
		3133	}
1787		3134
1788	=item $success = $client->query ($flags, "text", \&cb)	3135	=item $success = $client->query ($flags, "text", \&cb)
1789		3136
1790	Queues a query to the client, calling the given callback with	3137	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>,	3138	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>.	3139	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1793		3140
1794	Queries can fail, so check the return code. Or don't, as queries will become	3141	Queries can fail, so check the return code. Or don't, as queries will
1795	reliable at some point in the future.	3142	become reliable at some point in the future.
1796		3143
1797	=cut	3144	=cut
1798		3145
1799	sub cf::client::query {	3146	sub cf::client::query {
1800	my ($self, $flags, $text, $cb) = @_;	3147	my ($self, $flags, $text, $cb) = @_;
…		…
1808	utf8::encode $text;	3155	utf8::encode $text;
1809	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3156	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1810		3157
1811	$self->send_packet ($self->{query_queue}[0][0])	3158	$self->send_packet ($self->{query_queue}[0][0])
1812	if @{ $self->{query_queue} } == 1;	3159	if @{ $self->{query_queue} } == 1;
		3160
		3161	1
1813	}	3162	}
1814		3163
1815	cf::client->attach (	3164	cf::client->attach (
		3165	on_connect => sub {
		3166	my ($ns) = @_;
		3167
		3168	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3169	},
1816	on_reply => sub {	3170	on_reply => sub {
1817	my ($ns, $msg) = @_;	3171	my ($ns, $msg) = @_;
1818		3172
1819	# this weird shuffling is so that direct followup queries	3173	# this weird shuffling is so that direct followup queries
1820	# get handled first	3174	# get handled first
1821	my $queue = delete $ns->{query_queue}	3175	my $queue = delete $ns->{query_queue}
1822	or return; # be conservative, not sure how that can happen, but we saw a crash here	3176	or return; # be conservative, not sure how that can happen, but we saw a crash here
1823		3177
1824	(shift @$queue)->[1]->($msg);	3178	(shift @$queue)->[1]->($msg);
		3179	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1825		3180
1826	push @{ $ns->{query_queue} }, @$queue;	3181	push @{ $ns->{query_queue} }, @$queue;
1827		3182
1828	if (@{ $ns->{query_queue} } == @$queue) {	3183	if (@{ $ns->{query_queue} } == @$queue) {
1829	if (@$queue) {	3184	if (@$queue) {
…		…
1831	} else {	3186	} else {
1832	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3187	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1833	}	3188	}
1834	}	3189	}
1835	},	3190	},
		3191	on_exticmd => sub {
		3192	my ($ns, $buf) = @_;
		3193
		3194	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3195
		3196	if (ref $msg) {
		3197	my ($type, $reply, @payload) =
		3198	"ARRAY" eq ref $msg
		3199	? @$msg
		3200	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3201
		3202	my @reply;
		3203
		3204	if (my $cb = $EXTICMD{$type}) {
		3205	@reply = $cb->($ns, @payload);
		3206	}
		3207
		3208	$ns->ext_reply ($reply, @reply)
		3209	if $reply;
		3210
		3211	} else {
		3212	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3213	}
		3214
		3215	cf::override;
		3216	},
1836	);	3217	);
1837		3218
1838	=item $client->async (\&cb)	3219	=item $client->async (\&cb)
1839		3220
1840	Create a new coroutine, running the specified callback. The coroutine will	3221	Create a new coroutine, running the specified callback. The coroutine will
…		…
1856		3237
1857	$coro	3238	$coro
1858	}	3239	}
1859		3240
1860	cf::client->attach (	3241	cf::client->attach (
1861	on_destroy => sub {	3242	on_client_destroy => sub {
1862	my ($ns) = @_;	3243	my ($ns) = @_;
1863		3244
1864	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3245	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1865	},	3246	},
1866	);	3247	);
…		…
1881	our $safe = new Safe "safe";	3262	our $safe = new Safe "safe";
1882	our $safe_hole = new Safe::Hole;	3263	our $safe_hole = new Safe::Hole;
1883		3264
1884	$SIG{FPE} = 'IGNORE';	3265	$SIG{FPE} = 'IGNORE';
1885		3266
1886	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3267	$safe->permit_only (Opcode::opset qw(
		3268	:base_core :base_mem :base_orig :base_math :base_loop
		3269	grepstart grepwhile mapstart mapwhile
		3270	sort time
		3271	));
1887		3272
1888	# here we export the classes and methods available to script code	3273	# here we export the classes and methods available to script code
1889		3274
1890	=pod	3275	=pod
1891		3276
1892	The following fucntions and emthods are available within a safe environment:	3277	The following functions and methods are available within a safe environment:
1893		3278
1894	cf::object contr pay_amount pay_player map	3279	cf::object
		3280	contr pay_amount pay_player map x y force_find force_add destroy
		3281	insert remove name archname title slaying race decrease split
		3282	value
		3283
1895	cf::object::player player	3284	cf::object::player
1896	cf::player peaceful	3285	player
1897	cf::map trigger	3286
		3287	cf::player
		3288	peaceful
		3289
		3290	cf::map
		3291	trigger
1898		3292
1899	=cut	3293	=cut
1900		3294
1901	for (	3295	for (
1902	["cf::object" => qw(contr pay_amount pay_player map)],	3296	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3297	insert remove inv nrof name archname title slaying race
		3298	decrease split destroy change_exp value msg lore send_msg)],
1903	["cf::object::player" => qw(player)],	3299	["cf::object::player" => qw(player)],
1904	["cf::player" => qw(peaceful)],	3300	["cf::player" => qw(peaceful send_msg)],
1905	["cf::map" => qw(trigger)],	3301	["cf::map" => qw(trigger)],
1906	) {	3302	) {
1907	no strict 'refs';
1908	my ($pkg, @funs) = @$_;	3303	my ($pkg, @funs) = @$_;
1909	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3304	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
1910	for @funs;	3305	for @funs;
1911	}	3306	}
1912		3307
…		…
1927		3322
1928	my $qcode = $code;	3323	my $qcode = $code;
1929	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3324	$qcode =~ s/"/‟/g; # not allowed in #line filenames
1930	$qcode =~ s/\n/\\n/g;	3325	$qcode =~ s/\n/\\n/g;
1931		3326
		3327	%vars = (_dummy => 0) unless %vars;
		3328
		3329	my @res;
1932	local $_;	3330	local $_;
1933	local @safe::cf::_safe_eval_args = values %vars;
1934		3331
1935	my $eval =	3332	my $eval =
1936	"do {\n"	3333	"do {\n"
1937	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3334	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
1938	. "#line 0 \"{$qcode}\"\n"	3335	. "#line 0 \"{$qcode}\"\n"
1939	. $code	3336	. $code
1940	. "\n}"	3337	. "\n}"
1941	;	3338	;
1942		3339
		3340	if ($CFG{safe_eval}) {
1943	sub_generation_inc;	3341	sub_generation_inc;
		3342	local @safe::cf::_safe_eval_args = values %vars;
1944	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3343	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
1945	sub_generation_inc;	3344	sub_generation_inc;
		3345	} else {
		3346	local @cf::_safe_eval_args = values %vars;
		3347	@res = wantarray ? eval eval : scalar eval $eval;
		3348	}
1946		3349
1947	if ($@) {	3350	if ($@) {
1948	warn "$@";	3351	warn "$@",
1949	warn "while executing safe code '$code'\n";	3352	"while executing safe code '$code'\n",
1950	warn "with arguments " . (join " ", %vars) . "\n";	3353	"with arguments " . (join " ", %vars) . "\n";
1951	}	3354	}
1952		3355
1953	wantarray ? @res : $res[0]	3356	wantarray ? @res : $res[0]
1954	}	3357	}
1955		3358
…		…
1969	=cut	3372	=cut
1970		3373
1971	sub register_script_function {	3374	sub register_script_function {
1972	my ($fun, $cb) = @_;	3375	my ($fun, $cb) = @_;
1973		3376
1974	no strict 'refs';	3377	$fun = "safe::$fun" if $CFG{safe_eval};
1975	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3378	*$fun = $safe_hole->wrap ($cb);
1976	}	3379	}
1977		3380
1978	=back	3381	=back
1979		3382
1980	=cut	3383	=cut
1981		3384
1982	#############################################################################	3385	#############################################################################
		3386	# the server's init and main functions
1983		3387
1984	=head2 EXTENSION DATABASE SUPPORT	3388	sub load_facedata($) {
		3389	my ($path) = @_;
1985		3390
1986	Crossfire maintains a very simple database for extension use. It can	3391	# HACK to clear player env face cache, we need some signal framework
1987	currently store anything that can be serialised using Storable, which	3392	# for this (global event?)
1988	excludes objects.	3393	%ext::player_env::MUSIC_FACE_CACHE = ();
1989		3394
1990	The parameter C<$family> should best start with the name of the extension	3395	my $enc = JSON::XS->new->utf8->canonical->relaxed;
1991	using it, it should be unique.
1992		3396
1993	=over 4	3397	trace "loading facedata from $path\n";
1994		3398
1995	=item $hashref = cf::db_get $family	3399	0 < aio_load $path, my $facedata
		3400	or die "$path: $!";
1996		3401
1997	Return a hashref for use by the extension C<$family>, which can be	3402	$facedata = Coro::Storable::thaw $facedata;
1998	modified. After modifications, you have to call C<cf::db_dirty> or
1999	C<cf::db_sync>.
2000		3403
2001	=item $value = cf::db_get $family => $key	3404	$facedata->{version} == 2
		3405	or cf::cleanup "$path: version mismatch, cannot proceed.";
2002		3406
2003	Returns a single value from the database	3407	# patch in the exptable
2004		3408	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2005	=item cf::db_put $family => $hashref	3409	$facedata->{resource}{"res/exp_table"} = {
2006		3410	type => FT_RSRC,
2007	Stores the given family hashref into the database. Updates are delayed, if	3411	data => $exp_table,
2008	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3412	hash => (Digest::MD5::md5 $exp_table),
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	}
2033
2034	my $pid;
2035
2036	sub db_save() {
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
2046	my $dirty;
2047
2048	sub db_sync() {
2049	db_save if $dirty;
2050	undef $dirty;
2051	}
2052
2053	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2054	db_sync;
2055	});	3413	};
		3414	cf::cede_to_tick;
2056		3415
2057	sub db_dirty() {
2058	$dirty = 1;
2059	$idle->start;
2060	}	3416	{
		3417	my $faces = $facedata->{faceinfo};
2061		3418
2062	sub db_get($;$) {	3419	while (my ($face, $info) = each %$faces) {
2063	@_ >= 2	3420	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2064	? $DB->{$_[0]}{$_[1]}
2065	: ($DB->{$_[0]} ||= { })
2066	}
2067		3421
2068	sub db_put($$;$) {	3422	cf::face::set_visibility $idx, $info->{visibility};
2069	if (@_ >= 3) {	3423	cf::face::set_magicmap $idx, $info->{magicmap};
2070	$DB->{$_[0]}{$_[1]} = $_[2];	3424	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2071	} else {	3425	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2072	$DB->{$_[0]} = $_[1];
2073	}
2074	db_dirty;
2075	}
2076		3426
2077	cf::global->attach (	3427	cf::cede_to_tick;
2078	prio => 10000,
2079	on_cleanup => sub {
2080	db_sync;
2081	},	3428	}
2082	);
2083	}
2084		3429
2085	#############################################################################	3430	while (my ($face, $info) = each %$faces) {
2086	# the server's main()	3431	next unless $info->{smooth};
2087		3432
2088	sub cfg_load {	3433	my $idx = cf::face::find $face
2089	open my $fh, "<:utf8", cf::confdir . "/config"	3434	or next;
2090	or return;
2091		3435
2092	local $/;	3436	if (my $smooth = cf::face::find $info->{smooth}) {
2093	*CFG = YAML::Syck::Load <$fh>;	3437	cf::face::set_smooth $idx, $smooth;
		3438	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3439	} else {
		3440	error "smooth face '$info->{smooth}' not found for face '$face'";
		3441	}
2094		3442
		3443	cf::cede_to_tick;
		3444	}
		3445	}
		3446
		3447	{
		3448	my $anims = $facedata->{animinfo};
		3449
		3450	while (my ($anim, $info) = each %$anims) {
		3451	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3452	cf::cede_to_tick;
		3453	}
		3454
		3455	cf::anim::invalidate_all; # d'oh
		3456	}
		3457
		3458	{
		3459	my $res = $facedata->{resource};
		3460
		3461	while (my ($name, $info) = each %$res) {
		3462	if (defined $info->{type}) {
		3463	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3464
		3465	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3466	cf::face::set_type $idx, $info->{type};
		3467	} else {
		3468	$RESOURCE{$name} = $info; # unused
		3469	}
		3470
		3471	cf::cede_to_tick;
		3472	}
		3473	}
		3474
		3475	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3476
		3477	1
		3478	}
		3479
		3480	register_exticmd fx_want => sub {
		3481	my ($ns, $want) = @_;
		3482
		3483	while (my ($k, $v) = each %$want) {
		3484	$ns->fx_want ($k, $v);
		3485	}
		3486	};
		3487
		3488	sub load_resource_file($) {
		3489	my $guard = lock_acquire "load_resource_file";
		3490
		3491	my $status = load_resource_file_ $_[0];
		3492	get_slot 0.1, 100;
		3493	cf::arch::commit_load;
		3494
		3495	$status
		3496	}
		3497
		3498	sub reload_regions {
		3499	# HACK to clear player env face cache, we need some signal framework
		3500	# for this (global event?)
		3501	%ext::player_env::MUSIC_FACE_CACHE = ();
		3502
		3503	load_resource_file "$MAPDIR/regions"
		3504	or die "unable to load regions file\n";
		3505
		3506	for (cf::region::list) {
		3507	$_->{match} = qr/$_->{match}/
		3508	if exists $_->{match};
		3509	}
		3510	}
		3511
		3512	sub reload_facedata {
		3513	load_facedata "$DATADIR/facedata"
		3514	or die "unable to load facedata\n";
		3515	}
		3516
		3517	sub reload_archetypes {
		3518	load_resource_file "$DATADIR/archetypes"
		3519	or die "unable to load archetypes\n";
		3520	}
		3521
		3522	sub reload_treasures {
		3523	load_resource_file "$DATADIR/treasures"
		3524	or die "unable to load treasurelists\n";
		3525	}
		3526
		3527	sub reload_sound {
		3528	trace "loading sound config from $DATADIR/sound\n";
		3529
		3530	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3531	or die "$DATADIR/sound $!";
		3532
		3533	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3534
		3535	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3536	my $sound = $soundconf->{compat}[$_]
		3537	or next;
		3538
		3539	my $face = cf::face::find "sound/$sound->[1]";
		3540	cf::sound::set $sound->[0] => $face;
		3541	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3542	}
		3543
		3544	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3545	my $face = cf::face::find "sound/$v";
		3546	cf::sound::set $k => $face;
		3547	}
		3548	}
		3549
		3550	sub reload_resources {
		3551	trace "reloading resource files...\n";
		3552
		3553	reload_exp_table;
		3554	reload_materials;
		3555	reload_facedata;
		3556	reload_sound;
		3557	reload_archetypes;
		3558	reload_regions;
		3559	reload_treasures;
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub reload_config {
		3565	trace "reloading config file...\n";
		3566
		3567	0 < aio_load "$CONFDIR/config", my $config
		3568	or die "$CONFDIR/config: $!";
		3569
		3570	utf8::decode $config;
		3571	*CFG = yaml_load $config;
		3572
2095	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3573	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2096		3574
2097	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3575	$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};	3576	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099		3577
2100	if (exists $CFG{mlockall}) {	3578	if (exists $CFG{mlockall}) {
…		…
2104	};	3582	};
2105	warn $@ if $@;	3583	warn $@ if $@;
2106	}	3584	}
2107	}	3585	}
2108		3586
		3587	sub pidfile() {
		3588	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3589	or die "$PIDFILE: $!";
		3590	flock $fh, &Fcntl::LOCK_EX
		3591	or die "$PIDFILE: flock: $!";
		3592	$fh
		3593	}
		3594
		3595	# make sure only one server instance is running at any one time
		3596	sub atomic {
		3597	my $fh = pidfile;
		3598
		3599	my $pid = <$fh>;
		3600	kill 9, $pid if $pid > 0;
		3601
		3602	seek $fh, 0, 0;
		3603	print $fh $$;
		3604	}
		3605
		3606	sub main_loop {
		3607	trace "EV::loop starting\n";
		3608	if (1) {
		3609	EV::loop;
		3610	}
		3611	trace "EV::loop returned\n";
		3612	goto &main_loop unless $REALLY_UNLOOP;
		3613	}
		3614
2109	sub main {	3615	sub main {
		3616	cf::init_globals; # initialise logging
		3617
		3618	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3619	LOG llevInfo, "Copyright (C) 2005-2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3620	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3621	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3622
		3623	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3624
2110	# we must not ever block the main coroutine	3625	# we must not ever block the main coroutine
2111	local $Coro::idle = sub {	3626	local $Coro::idle = sub {
2112	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3627	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2113	async { Event::one_event };	3628	(async {
		3629	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3630	EV::loop EV::LOOP_ONESHOT;
		3631	})->prio (Coro::PRIO_MAX);
2114	};	3632	};
2115		3633
2116	cfg_load;	3634	evthread_start IO::AIO::poll_fileno;
2117	db_load;	3635
		3636	cf::sync_job {
		3637	cf::incloader::init ();
		3638
		3639	cf::init_anim;
		3640	cf::init_attackmess;
		3641	cf::init_dynamic;
		3642
		3643	cf::load_settings;
		3644
		3645	reload_resources;
		3646	reload_config;
		3647	db_init;
		3648
		3649	cf::init_uuid;
		3650	cf::init_signals;
		3651	cf::init_skills;
		3652
		3653	cf::init_beforeplay;
		3654
		3655	atomic;
		3656
2118	load_extensions;	3657	load_extensions;
2119	Event::loop;	3658
		3659	utime time, time, $RUNTIMEFILE;
		3660
		3661	# no (long-running) fork's whatsoever before this point(!)
		3662	use POSIX ();
		3663	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3664
		3665	(pop @POST_INIT)->(0) while @POST_INIT;
		3666	};
		3667
		3668	cf::object::thawer::errors_are_fatal 0;
		3669	info "parse errors in files are no longer fatal from this point on.\n";
		3670
		3671	my $free_main; $free_main = EV::idle sub {
		3672	undef $free_main;
		3673	undef &main; # free gobs of memory :)
		3674	};
		3675
		3676	goto &main_loop;
2120	}	3677	}
2121		3678
2122	#############################################################################	3679	#############################################################################
2123	# initialisation	3680	# initialisation and cleanup
2124		3681
		3682	# install some emergency cleanup handlers
		3683	BEGIN {
		3684	our %SIGWATCHER = ();
		3685	for my $signal (qw(INT HUP TERM)) {
		3686	$SIGWATCHER{$signal} = AE::signal $signal, sub {
		3687	cf::cleanup "SIG$signal";
		3688	};
		3689	}
		3690	}
		3691
		3692	sub write_runtime_sync {
		3693	my $t0 = AE::time;
		3694
		3695	# first touch the runtime file to show we are still running:
		3696	# the fsync below can take a very very long time.
		3697
		3698	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3699
		3700	my $guard = cf::lock_acquire "write_runtime";
		3701
		3702	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3703	or return;
		3704
		3705	my $value = $cf::RUNTIME + 90 + 10;
		3706	# 10 is the runtime save interval, for a monotonic clock
		3707	# 60 allows for the watchdog to kill the server.
		3708
		3709	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3710	and return;
		3711
		3712	# always fsync - this file is important
		3713	aio_fsync $fh
		3714	and return;
		3715
		3716	# touch it again to show we are up-to-date
		3717	aio_utime $fh, undef, undef;
		3718
		3719	close $fh
		3720	or return;
		3721
		3722	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3723	and return;
		3724
		3725	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3726
		3727	1
		3728	}
		3729
		3730	our $uuid_lock;
		3731	our $uuid_skip;
		3732
		3733	sub write_uuid_sync($) {
		3734	$uuid_skip ||= $_[0];
		3735
		3736	return if $uuid_lock;
		3737	local $uuid_lock = 1;
		3738
		3739	my $uuid = "$LOCALDIR/uuid";
		3740
		3741	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3742	or return;
		3743
		3744	my $value = uuid_seq uuid_cur;
		3745
		3746	unless ($value) {
		3747	info "cowardly refusing to write zero uuid value!\n";
		3748	return;
		3749	}
		3750
		3751	my $value = uuid_str $value + $uuid_skip;
		3752	$uuid_skip = 0;
		3753
		3754	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3755	and return;
		3756
		3757	# always fsync - this file is important
		3758	aio_fsync $fh
		3759	and return;
		3760
		3761	close $fh
		3762	or return;
		3763
		3764	aio_rename "$uuid~", $uuid
		3765	and return;
		3766
		3767	trace "uuid file written ($value).\n";
		3768
		3769	1
		3770
		3771	}
		3772
		3773	sub write_uuid($$) {
		3774	my ($skip, $sync) = @_;
		3775
		3776	$sync ? write_uuid_sync $skip
		3777	: async { write_uuid_sync $skip };
		3778	}
		3779
		3780	sub emergency_save() {
		3781	my $freeze_guard = cf::freeze_mainloop;
		3782
		3783	info "emergency_perl_save: enter\n";
		3784
		3785	# this is a trade-off: we want to be very quick here, so
		3786	# save all maps without fsync, and later call a global sync
		3787	# (which in turn might be very very slow)
		3788	local $USE_FSYNC = 0;
		3789
		3790	cf::sync_job {
		3791	cf::write_runtime_sync; # external watchdog should not bark
		3792
		3793	# use a peculiar iteration method to avoid tripping on perl
		3794	# refcount bugs in for. also avoids problems with players
		3795	# and maps saved/destroyed asynchronously.
		3796	info "emergency_perl_save: begin player save\n";
		3797	for my $login (keys %cf::PLAYER) {
		3798	my $pl = $cf::PLAYER{$login} or next;
		3799	$pl->valid or next;
		3800	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
		3801	$pl->save;
		3802	}
		3803	info "emergency_perl_save: end player save\n";
		3804
		3805	cf::write_runtime_sync; # external watchdog should not bark
		3806
		3807	info "emergency_perl_save: begin map save\n";
		3808	for my $path (keys %cf::MAP) {
		3809	my $map = $cf::MAP{$path} or next;
		3810	$map->valid or next;
		3811	$map->save;
		3812	}
		3813	info "emergency_perl_save: end map save\n";
		3814
		3815	cf::write_runtime_sync; # external watchdog should not bark
		3816
		3817	info "emergency_perl_save: begin database checkpoint\n";
		3818	BDB::db_env_txn_checkpoint $DB_ENV;
		3819	info "emergency_perl_save: end database checkpoint\n";
		3820
		3821	info "emergency_perl_save: begin write uuid\n";
		3822	write_uuid_sync 1;
		3823	info "emergency_perl_save: end write uuid\n";
		3824
		3825	cf::write_runtime_sync; # external watchdog should not bark
		3826
		3827	trace "emergency_perl_save: syncing database to disk";
		3828	BDB::db_env_txn_checkpoint $DB_ENV;
		3829
		3830	info "emergency_perl_save: starting sync\n";
		3831	IO::AIO::aio_sync sub {
		3832	info "emergency_perl_save: finished sync\n";
		3833	};
		3834
		3835	cf::write_runtime_sync; # external watchdog should not bark
		3836
		3837	trace "emergency_perl_save: flushing outstanding aio requests";
		3838	while (IO::AIO::nreqs || BDB::nreqs) {
		3839	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3840	}
		3841
		3842	cf::write_runtime_sync; # external watchdog should not bark
		3843	};
		3844
		3845	info "emergency_perl_save: leave\n";
		3846	}
		3847
		3848	sub post_cleanup {
		3849	my ($make_core) = @_;
		3850
		3851	IO::AIO::flush;
		3852
		3853	error Carp::longmess "post_cleanup backtrace"
		3854	if $make_core;
		3855
		3856	my $fh = pidfile;
		3857	unlink $PIDFILE if <$fh> == $$;
		3858	}
		3859
		3860	# a safer delete_package, copied from Symbol
		3861	sub clear_package($) {
		3862	my $pkg = shift;
		3863
		3864	# expand to full symbol table name if needed
		3865	unless ($pkg =~ /^main::.*::$/) {
		3866	$pkg = "main$pkg" if $pkg =~ /^::/;
		3867	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3868	$pkg .= '::' unless $pkg =~ /::$/;
		3869	}
		3870
		3871	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3872	my $stem_symtab = *{$stem}{HASH};
		3873
		3874	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3875	or return;
		3876
		3877	# clear all symbols
		3878	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3879	for my $name (keys %$leaf_symtab) {
		3880	_gv_clear *{"$pkg$name"};
		3881	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3882	}
		3883	}
		3884
2125	sub reload() {	3885	sub do_reload_perl() {
2126	# can/must only be called in main	3886	# can/must only be called in main
2127	if ($Coro::current != $Coro::main) {	3887	unless (in_main) {
2128	warn "can only reload from main coroutine\n";	3888	error "can only reload from main coroutine";
2129	return;	3889	return;
2130	}	3890	}
2131		3891
		3892	return if $RELOAD++;
		3893
		3894	my $t1 = AE::time;
		3895
		3896	while ($RELOAD) {
		3897	cf::get_slot 0.1, -1, "reload_perl";
2132	warn "reloading...";	3898	info "reloading...";
2133		3899
2134	my $guard = freeze_mainloop;	3900	trace "entering sync_job";
		3901
		3902	cf::sync_job {
2135	cf::emergency_save;	3903	#cf::emergency_save;
2136		3904
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	3905	trace "cancelling all extension coros";
2146	$_->cancel for values %EXT_CORO;	3906	$_->cancel for values %EXT_CORO;
2147	%EXT_CORO = ();	3907	%EXT_CORO = ();
2148		3908
2149	# unload all extensions	3909	trace "removing commands";
2150	for (@exts) {	3910	%COMMAND = ();
2151	warn "unloading <$_>";
2152	unload_extension $_;
2153	}
2154		3911
2155	# unload all modules loaded from $LIBDIR	3912	trace "removing ext/exti commands";
2156	while (my ($k, $v) = each %INC) {	3913	%EXTCMD = ();
2157	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3914	%EXTICMD = ();
2158		3915
2159	warn "removing <$k>";	3916	trace "unloading/nuking all extensions";
2160	delete $INC{$k};	3917	for my $pkg (@EXTS) {
		3918	trace "... unloading $pkg";
2161		3919
2162	$k =~ s/\.pm$//;
2163	$k =~ s/\//::/g;
2164
2165	if (my $cb = $k->can ("unload_module")) {	3920	if (my $cb = $pkg->can ("unload")) {
		3921	eval {
2166	$cb->();	3922	$cb->($pkg);
		3923	1
		3924	} or error "$pkg unloaded, but with errors: $@";
		3925	}
		3926
		3927	trace "... clearing $pkg";
		3928	clear_package $pkg;
2167	}	3929	}
2168		3930
2169	Symbol::delete_package $k;	3931	trace "unloading all perl modules loaded from $LIBDIR";
		3932	while (my ($k, $v) = each %INC) {
		3933	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3934
		3935	trace "... unloading $k";
		3936	delete $INC{$k};
		3937
		3938	$k =~ s/\.pm$//;
		3939	$k =~ s/\//::/g;
		3940
		3941	if (my $cb = $k->can ("unload_module")) {
		3942	$cb->();
		3943	}
		3944
		3945	clear_package $k;
2170	}	3946	}
2171		3947
2172	# sync database to disk
2173	cf::db_sync;
2174	IO::AIO::flush;
2175
2176	# get rid of safe::, as good as possible	3948	trace "getting rid of safe::, as good as possible";
2177	Symbol::delete_package "safe::$_"	3949	clear_package "safe::$_"
2178	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3950	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179		3951
2180	# remove register_script_function callbacks	3952	trace "unloading cf.pm \"a bit\"";
2181	# TODO
2182
2183	# unload cf.pm "a bit"
2184	delete $INC{"cf.pm"};	3953	delete $INC{"cf.pm"};
		3954	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2185		3955
2186	# don't, removes xs symbols, too,	3956	# don't, removes xs symbols, too,
2187	# and global variables created in xs	3957	# and global variables created in xs
2188	#Symbol::delete_package __PACKAGE__;	3958	#clear_package __PACKAGE__;
2189		3959
2190	# reload cf.pm	3960	info "unload completed, starting to reload now";
		3961
2191	warn "reloading cf.pm";	3962	trace "reloading cf.pm";
2192	require cf;	3963	require cf;
2193	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3964	cf::_connect_to_perl_1;
2194		3965
2195	# load config and database again	3966	trace "loading config and database again";
2196	cf::cfg_load;	3967	cf::reload_config;
2197	cf::db_load;
2198		3968
2199	# load extensions
2200	warn "load extensions";	3969	trace "loading extensions";
2201	cf::load_extensions;	3970	cf::load_extensions;
2202		3971
2203	# reattach attachments to objects	3972	if ($REATTACH_ON_RELOAD) {
2204	warn "reattach";	3973	trace "reattaching attachments to objects/players";
2205	_global_reattach;	3974	_global_reattach; # objects, sockets
		3975	trace "reattaching attachments to maps";
2206	reattach $_ for values %MAP;	3976	reattach $_ for values %MAP;
		3977	trace "reattaching attachments to players";
		3978	reattach $_ for values %PLAYER;
		3979	}
		3980
		3981	trace "running post_init jobs";
		3982	(pop @POST_INIT)->(1) while @POST_INIT;
		3983
		3984	trace "leaving sync_job";
		3985
		3986	1
		3987	} or do {
		3988	error $@;
		3989	cf::cleanup "error while reloading, exiting.";
		3990	};
		3991
		3992	info "reloaded";
		3993	--$RELOAD;
		3994	}
		3995
		3996	$t1 = AE::time - $t1;
		3997	info "reload completed in ${t1}s\n";
		3998	};
		3999
		4000	our $RELOAD_WATCHER; # used only during reload
		4001
		4002	sub reload_perl() {
		4003	# doing reload synchronously and two reloads happen back-to-back,
		4004	# coro crashes during coro_state_free->destroy here.
		4005
		4006	$RELOAD_WATCHER ||= cf::async {
		4007	Coro::AIO::aio_wait cache_extensions;
		4008
		4009	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		4010	do_reload_perl;
		4011	undef $RELOAD_WATCHER;
		4012	};
2207	};	4013	};
2208
2209	if ($@) {
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} = $LINK_MAP;
2259	}	4014	}
2260
2261	register "<global>", __PACKAGE__;
2262		4015
2263	register_command "reload" => sub {	4016	register_command "reload" => sub {
2264	my ($who, $arg) = @_;	4017	my ($who, $arg) = @_;
2265		4018
2266	if ($who->flag (FLAG_WIZ)) {	4019	if ($who->flag (FLAG_WIZ)) {
2267	$who->message ("start of reload.");
2268	reload;
2269	$who->message ("end of reload.");	4020	$who->message ("reloading server.");
		4021	async {
		4022	$Coro::current->{desc} = "perl_reload";
		4023	reload_perl;
		4024	};
2270	}	4025	}
2271	};	4026	};
2272		4027
2273	unshift @INC, $LIBDIR;	4028	#############################################################################
2274		4029
2275	$TICK_WATCHER = Event->timer (	4030	my $bug_warning = 0;
2276	reentrant => 0,	4031
2277	prio => 0,	4032	our @WAIT_FOR_TICK;
2278	at => $NEXT_TICK || $TICK,	4033	our @WAIT_FOR_TICK_BEGIN;
2279	data => WF_AUTOCANCEL,	4034
2280	cb => sub {	4035	sub wait_for_tick() {
		4036	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4037
		4038	my $signal = new Coro::Signal;
		4039	push @WAIT_FOR_TICK, $signal;
		4040	$signal->wait;
		4041	}
		4042
		4043	sub wait_for_tick_begin() {
		4044	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4045
		4046	my $signal = new Coro::Signal;
		4047	push @WAIT_FOR_TICK_BEGIN, $signal;
		4048	$signal->wait;
		4049	}
		4050
		4051	sub tick {
		4052	if ($Coro::current != $Coro::main) {
		4053	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4054	unless ++$bug_warning > 10;
		4055	return;
		4056	}
		4057
2281	cf::server_tick; # one server iteration	4058	cf::server_tick; # one server iteration
2282	$RUNTIME += $TICK;
2283	$NEXT_TICK += $TICK;
2284		4059
2285	# if we are delayed by four ticks or more, skip them all	4060	#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		4061
2288	$TICK_WATCHER->at ($NEXT_TICK);	4062	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2289	$TICK_WATCHER->start;	4063	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2290	},	4064	Coro::async_pool {
2291	);	4065	$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	4066	write_runtime_sync
2310	or warn "ERROR: unable to write runtime file: $!";	4067	or error "ERROR: unable to write runtime file: $!";
2311	})->();	4068	};
2312	},	4069	}
2313	);	4070
		4071	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4072	$sig->send;
		4073	}
		4074	while (my $sig = shift @WAIT_FOR_TICK) {
		4075	$sig->send;
		4076	}
		4077
		4078	$LOAD = ($NOW - $TICK_START) / $TICK;
		4079	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4080
		4081	if (0) {
		4082	if ($NEXT_TICK) {
		4083	my $jitter = $TICK_START - $NEXT_TICK;
		4084	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4085	debug "jitter $JITTER\n";#d#
		4086	}
		4087	}
		4088	}
		4089
		4090	{
		4091	# configure BDB
		4092
		4093	BDB::min_parallel 16;
		4094	BDB::max_poll_reqs $TICK * 0.1;
		4095	$AnyEvent::BDB::WATCHER->priority (1);
		4096
		4097	unless ($DB_ENV) {
		4098	$DB_ENV = BDB::db_env_create;
		4099	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4100	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4101	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4102	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4103	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4104
		4105	cf::sync_job {
		4106	eval {
		4107	BDB::db_env_open
		4108	$DB_ENV,
		4109	$BDBDIR,
		4110	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4111	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4112	0666;
		4113
		4114	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4115	};
		4116
		4117	cf::cleanup "db_env_open(db): $@" if $@;
		4118	};
		4119	}
		4120
		4121	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4122	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4123	};
		4124	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4125	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4126	};
		4127	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4128	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4129	};
		4130	}
		4131
		4132	{
		4133	# configure IO::AIO
		4134
		4135	IO::AIO::min_parallel 8;
		4136	IO::AIO::max_poll_time $TICK * 0.1;
		4137	undef $AnyEvent::AIO::WATCHER;
		4138	}
		4139
		4140	my $_log_backtrace;
		4141
		4142	sub _log_backtrace {
		4143	my ($msg, @addr) = @_;
		4144
		4145	$msg =~ s/\n//;
		4146
		4147	# limit the # of concurrent backtraces
		4148	if ($_log_backtrace < 2) {
		4149	++$_log_backtrace;
		4150	my $perl_bt = Carp::longmess $msg;
		4151	async {
		4152	$Coro::current->{desc} = "abt $msg";
		4153
		4154	my @bt = fork_call {
		4155	@addr = map { sprintf "%x", $_ } @addr;
		4156	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4157	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4158	or die "addr2line: $!";
		4159
		4160	my @funcs;
		4161	my @res = <$fh>;
		4162	chomp for @res;
		4163	while (@res) {
		4164	my ($func, $line) = splice @res, 0, 2, ();
		4165	push @funcs, "[$func] $line";
		4166	}
		4167
		4168	@funcs
		4169	};
		4170
		4171	LOG llevInfo, "[ABT] $perl_bt\n";
		4172	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4173	LOG llevInfo, "[ABT] $_\n" for @bt;
		4174	--$_log_backtrace;
		4175	};
		4176	} else {
		4177	LOG llevInfo, "[ABT] $msg\n";
		4178	LOG llevInfo, "[ABT] [suppressed]\n";
		4179	}
		4180	}
		4181
		4182	# load additional modules
		4183	require "cf/$_.pm" for @EXTRA_MODULES;
		4184	cf::_connect_to_perl_2;
2314		4185
2315	END { cf::emergency_save }	4186	END { cf::emergency_save }
2316		4187
2317	1	4188	1
2318		4189

Diff Legend

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