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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.454 by root, Thu Sep 25 12:14:32 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your 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 GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
		24	use 5.10.0;
3	use utf8;	25	use utf8;
4	use strict;	26	use strict "vars", "subs";
5		27
6	use Symbol;	28	use Symbol;
7	use List::Util;	29	use List::Util;
8	use Storable;	30	use Socket;
		31	use EV;
9	use Opcode;	32	use Opcode;
10	use Safe;	33	use Safe;
11	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
12		36
13	use Coro 3.5 ();	37	use Coro ();
		38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
14	use Coro::Event;	41	use Coro::AnyEvent;
15	use Coro::Timer;	42	use Coro::Timer;
16	use Coro::Signal;	43	use Coro::Signal;
17	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
18	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
19		50
		51	use JSON::XS 2.01 ();
20	use BDB ();	52	use BDB ();
21	use Data::Dumper;	53	use Data::Dumper;
22	use Digest::MD5;	54	use Digest::MD5;
23	use Fcntl;	55	use Fcntl;
		56	use YAML ();
24	use IO::AIO 2.32 ();	57	use IO::AIO ();
25	use YAML::Syck ();
26	use Time::HiRes;	58	use Time::HiRes;
27	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
28		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
		67	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		68
		69	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		70
		71	# make sure c-lzf reinitialises itself
		72	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	73	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		74
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		76
40	our %COMMAND = ();	77	our %COMMAND = ();
41	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
42		79
43	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
47		85
		86	our $RELOAD; # number of reloads so far, non-zero while in reload
48	our @EVENT;	87	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		88
51	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
52	our $TICK_WATCHER;	90	our $DATADIR = datadir;
53	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
54	our $WRITE_RUNTIME_WATCHER;	92	our $PODDIR = "$DATADIR/pod";
		93	our $MAPDIR = "$DATADIR/" . mapdir;
		94	our $LOCALDIR = localdir;
		95	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		96	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		97	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		98	our $RANDOMDIR = "$LOCALDIR/random";
		99	our $BDBDIR = "$LOCALDIR/db";
		100	our $PIDFILE = "$LOCALDIR/pid";
		101	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		102
		103	our %RESOURCE;
		104
		105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	107	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
59	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	113	our $DB_ENV;
61		114
62	our %CFG;	115	our %CFG;
63		116
64	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
66		120
67	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		124
76	# used to convert map paths into valid unix filenames by replacing / by ∕	125	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		127
		128	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		129	our $LOADAVG; # same thing, but with alpha-smoothing
		130	our $JITTER; # average jitter
		131	our $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
79	binmode STDOUT;	135	binmode STDOUT;
80	binmode STDERR;	136	binmode STDERR;
81		137
82	# read virtual server time, if available	138	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
84	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
85	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
86	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
87	}	143	}
88		144
89	mkdir cf::localdir;	145	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		147
96	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
97		149
98	sub cf::map::normalise;	150	sub cf::map::normalise;
99		151
…		…
110	=item $cf::RUNTIME	162	=item $cf::RUNTIME
111		163
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	164	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	165	every server tick.
114		166
115	=item $cf::LIBDIR	167	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		168	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		169	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		170
117	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	172	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		173	unique-items directory, player file directory, random maps directory and
		174	database environment.
119		175
120	=item $cf::NOW	176	=item $cf::NOW
121		177
122	The time of the last (current) server tick.	178	The time of the last (current) server tick.
123		179
124	=item $cf::TICK	180	=item $cf::TICK
125		181
126	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
127		183
		184	=item $cf::LOADAVG
		185
		186	The current CPU load on the server (alpha-smoothed), as a value between 0
		187	(none) and 1 (overloaded), indicating how much time is spent on processing
		188	objects per tick. Healthy values are < 0.5.
		189
		190	=item $cf::LOAD
		191
		192	The raw value load value from the last tick.
		193
128	=item %cf::CFG	194	=item %cf::CFG
129		195
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	197	from wherever your confdir points to.
132		198
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		200
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	202	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	204
		205	=item @cf::INVOKE_RESULTS
		206
		207	This array contains the results of the last C<invoke ()> call. When
		208	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		209	that call.
139		210
140	=back	211	=back
141		212
142	=cut	213	=cut
143		214
144	BEGIN {	215	BEGIN {
145	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	217	my $msg = join "", @_;
147	utf8::encode $msg;
148		218
149	$msg .= "\n"	219	$msg .= "\n"
150	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
151		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
152	LOG llevError, $msg;	224	LOG llevError, $msg;
153	};	225	};
154	}	226	}
		227
		228	$Coro::State::DIEHOOK = sub {
		229	return unless $^S eq 0; # "eq", not "=="
		230
		231	if ($Coro::current == $Coro::main) {#d#
		232	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		233	return;#d#
		234	}#d#
		235
		236	# kill coroutine otherwise
		237	warn Carp::longmess $_[0];
		238	Coro::terminate
		239	};
		240
		241	$SIG{__DIE__} = sub { }; #d#?
155		242
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	247	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		248	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	249	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		250
163	# we bless all objects into (empty) derived classes to force a method lookup	251	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	252	# within the Safe compartment.
165	for my $pkg (qw(	253	for my $pkg (qw(
166	cf::global cf::attachable	254	cf::global cf::attachable
167	cf::object cf::object::player	255	cf::object cf::object::player
168	cf::client cf::player	256	cf::client cf::player
169	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
170	cf::map cf::party cf::region	259	cf::party cf::region
171	)) {	260	)) {
172	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	262	}
175		263
176	$Event::DIED = sub {	264	$EV::DIED = sub {
177	warn "error in event callback: @_";	265	warn "error in event callback: @_";
178	};	266	};
		267
		268	#############################################################################
179		269
180	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
181		271
182	=over 4	272	=over 4
183		273
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	292	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	293	$d
204	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
205	}	295	}
206		296
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
210		298
211	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
212		300
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
221		302
222	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
223		304
224	=cut	305	=cut
225		306
226	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
228	JSON::Syck::Dump $_[0]	309	sub encode_json($) { $json_coder->encode ($_[0]) }
		310	sub decode_json($) { $json_coder->decode ($_[0]) }
		311
		312	=item cf::post_init { BLOCK }
		313
		314	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		315	but I<before> the server starts ticking again.
		316
		317	The cdoeblock will have a single boolean argument to indicate whether this
		318	is a reload or not.
		319
		320	=cut
		321
		322	sub post_init(&) {
		323	push @POST_INIT, shift;
229	}	324	}
230		325
231	=item cf::lock_wait $string	326	=item cf::lock_wait $string
232		327
233	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
237	Wait until the given lock is available and then acquires it and returns	332	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	333	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
240	returned.	335	returned.
241		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
242	Lock names should begin with a unique identifier (for example, cf::map::find	340	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
244		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
245	=cut	347	=cut
246		348
247	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
248		351
249	sub lock_wait($) {	352	sub lock_wait($) {
250	my ($key) = @_;	353	my ($key) = @_;
251		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
252	# wait for lock, if any	360	# wait for lock, if any
253	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
254	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	364	Coro::schedule;
256	}	365	}
257	}	366	}
258		367
…		…
261		370
262	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
263	lock_wait $key;	372	lock_wait $key;
264		373
265	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
266		376
267	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
270	}	381	}
271	}	382	}
272		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
273	sub freeze_mainloop {	390	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
275		392
276	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	394	}
278	$WRITE_RUNTIME_WATCHER->start;	395
		396	=item cf::periodic $interval, $cb
		397
		398	Like EV::periodic, but randomly selects a starting point so that the actions
		399	get spread over timer.
		400
		401	=cut
		402
		403	sub periodic($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
279	};	454	}
280	$WRITE_RUNTIME_WATCHER->stop;	455	};
281	$TICK_WATCHER->stop;	456
282	$guard	457	sub get_slot($;$$) {
		458	return if tick_inhibit || $Coro::current == $Coro::main;
		459
		460	my ($time, $pri, $name) = @_;
		461
		462	$time = $TICK * .6 if $time > $TICK * .6;
		463	my $sig = new Coro::Signal;
		464
		465	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		466	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		467	$SLOT_QUEUE->ready;
		468	$sig->wait;
283	}	469	}
284		470
285	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
286		472
287	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		478
293	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
294		480
295	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
296		482
297	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
300		487
301	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
304	fast or be very important.	491	fast or be very important.
…		…
307		494
308	sub sync_job(&) {	495	sub sync_job(&) {
309	my ($job) = @_;	496	my ($job) = @_;
310		497
311	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
312	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
314		503
315	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
316	# (but this is cancel-safe)	505
317	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
318		507
319	my $busy = 1;	508	my $busy = 1;
320	my @res;	509	my @res;
321		510
322	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	513	@res = eval { $job->() };
324	warn $@ if $@;	514	warn $@ if $@;
325	undef $busy;	515	undef $busy;
326	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
327		517
328	while ($busy) {	518	while ($busy) {
329	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
330	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
331		529
332	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
333	} else {	531	} else {
334	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
335		533
…		…
355	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
356		554
357	$coro	555	$coro
358	}	556	}
359		557
360	sub write_runtime {	558	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		559
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	560	Executes the given code block with the given arguments in a seperate
364	or return;	561	process, returning the results. Everything must be serialisable with
		562	Coro::Storable. May, of course, block. Note that the executed sub may
		563	never block itself or use any form of event handling.
365		564
366	my $value = $cf::RUNTIME + 90 + 10;	565	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		566
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	567	sub fork_call(&@) {
371	and return;	568	my ($cb, @args) = @_;
372		569
373	# always fsync - this file is important	570	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	571	# otherwise perl prematurely frees the stuff :/
375	and return;	572	# TODO: investigate and fix (likely this will be rather laborious)
376		573
377	close $fh	574	my @res = Coro::Util::fork_eval {
378	or return;	575	reset_signals;
		576	&$cb
		577	}, @args;
379		578
380	aio_rename "$runtime~", $runtime	579	wantarray ? @res : $res[-1]
381	and return;	580	}
382		581
		582	=item $coin = coin_from_name $name
		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		604	$coin_alias{$_[0]}
		605	? cf::arch::find $coin_alias{$_[0]}
		606	: undef
		607	}
		608
		609	=item $value = cf::db_get $family => $key
		610
		611	Returns a single value from the environment database.
		612
		613	=item cf::db_put $family => $key => $value
		614
		615	Stores the given C<$value> in the family. It can currently store binary
		616	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		617
		618	=item $db = cf::db_table "name"
		619
		620	Create and/or open a new database table. The string must not be "db" and must be unique
		621	within each server.
		622
		623	=cut
		624
		625	sub db_table($) {
		626	my ($name) = @_;
		627	my $db = BDB::db_create $DB_ENV;
		628
		629	eval {
		630	$db->set_flags (BDB::CHKSUM);
		631
		632	utf8::encode $name;
		633	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		634	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		635	cf::cleanup "db_open(db): $!" if $!;
		636	};
		637	cf::cleanup "db_open(db): $@" if $@;
		638
		639	$db
		640	}
		641
		642	our $DB;
		643
		644	sub db_init {
		645	cf::sync_job {
		646	$DB ||= db_table "db";
		647	};
		648	}
		649
		650	sub db_get($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
383	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		662	BDB::dbreq_pri 4;
		663	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		664	}
		665
		666	=item cf::cache $id => [$paths...], $processversion => $process
		667
		668	Generic caching function that returns the value of the resource $id,
		669	caching and regenerating as required.
		670
		671	This function can block.
		672
		673	=cut
		674
		675	sub cache {
		676	my ($id, $src, $processversion, $process) = @_;
		677
		678	my $meta =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	aio_stat $_
		683	and Carp::croak "$_: $!";
		684
		685	($_, (stat _)[7,9])
		686	} @$src;
		687
		688	my $dbmeta = db_get cache => "$id/meta";
		689	if ($dbmeta ne $meta) {
		690	# changed, we may need to process
		691
		692	my @data;
		693	my $md5;
		694
		695	for (0 .. $#$src) {
		696	0 <= aio_load $src->[$_], $data[$_]
		697	or Carp::croak "$src->[$_]: $!";
		698	}
		699
		700	# if processing is expensive, check
		701	# checksum first
		702	if (1) {
		703	$md5 =
		704	join "\x00",
		705	$processversion,
		706	map {
		707	cf::cede_to_tick;
		708	($src->[$_], Digest::MD5::md5_hex $data[$_])
		709	} 0.. $#$src;
		710
		711
		712	my $dbmd5 = db_get cache => "$id/md5";
		713	if ($dbmd5 eq $md5) {
		714	db_put cache => "$id/meta", $meta;
		715
		716	return db_get cache => "$id/data";
		717	}
		718	}
		719
		720	my $t1 = Time::HiRes::time;
		721	my $data = $process->(\@data);
		722	my $t2 = Time::HiRes::time;
		723
		724	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		725
		726	db_put cache => "$id/data", $data;
		727	db_put cache => "$id/md5" , $md5;
		728	db_put cache => "$id/meta", $meta;
		729
		730	return $data;
		731	}
		732
		733	db_get cache => "$id/data"
		734	}
		735
		736	=item cf::datalog type => key => value, ...
		737
		738	Log a datalog packet of the given type with the given key-value pairs.
		739
		740	=cut
		741
		742	sub datalog($@) {
		743	my ($type, %kv) = @_;
		744	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	745	}
385		746
386	=back	747	=back
387		748
388	=cut	749	=cut
389		750
390	#############################################################################	751	#############################################################################
391		752
392	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
393		754
394	Many objects in crossfire are so-called attachable objects. That means you can	755	Many objects in deliantra are so-called attachable objects. That means you can
395	attach callbacks/event handlers (a collection of which is called an "attachment")	756	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
397		758
398	In the following description, CLASS can be any of C<global>, C<object>	759	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	760	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	761	Deliantra).
401		762
402	=over 4	763	=over 4
403		764
404	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
405		766
…		…
449	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
450		811
451	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
452	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
453		814
454	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
455	that are attached at load/instantiate time, thus the need for a name.	816	that are attached at load/instantiate time, thus the need for a name.
456		817
457	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
458		819
459	=over 4	820	=over 4
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
569		930
570	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		935
575	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	937	my $pkg = shift @arg;
577		938
578	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
608	}	969	}
609		970
610	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
611	} else {	972	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	974	}
614		975
615	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
616	}	977	}
617		978
…		…
619	if (ref $_[0]) {	980	if (ref $_[0]) {
620	_object_attach @_;	981	_object_attach @_;
621	} else {	982	} else {
622	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
623	}	984	}
		985	_recalc_want;
624	};	986	};
625		987
626	# all those should be optimised	988	# all those should be optimised
627	sub cf::attachable::detach {	989	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
632	reattach ($obj);	994	reattach ($obj);
633	} else {	995	} else {
634	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
635	}	997	}
		998	_recalc_want;
636	};	999	};
637		1000
638	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
640		1003
…		…
655	";	1018	";
656	die if $@;	1019	die if $@;
657	}	1020	}
658		1021
659	our $override;	1022	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1023	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		1024
662	sub override {	1025	sub override {
663	$override = 1;	1026	$override = 1;
664	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
665	}	1028	}
666		1029
667	sub do_invoke {	1030	sub do_invoke {
668	my $event = shift;	1031	my $event = shift;
669	my $callbacks = shift;	1032	my $callbacks = shift;
670		1033
671	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
672		1035
673	local $override;	1036	local $override;
674		1037
675	for (@$callbacks) {	1038	for (@$callbacks) {
676	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
685	}	1048	}
686		1049
687	0	1050	0
688	}	1051	}
689		1052
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1054
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1056
694	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
695		1058
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1059	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1060	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1062
700	=back	1063	=back
701		1064
702	=cut	1065	=cut
703		1066
704	#############################################################################	1067	#############################################################################
705	# object support	1068	# object support
		1069
		1070	sub _object_equal($$);
		1071	sub _object_equal($$) {
		1072	my ($a, $b) = @_;
		1073
		1074	return 0 unless (ref $a) eq (ref $b);
		1075
		1076	if ("HASH" eq ref $a) {
		1077	my @ka = keys %$a;
		1078	my @kb = keys %$b;
		1079
		1080	return 0 if @ka != @kb;
		1081
		1082	for (0 .. $#ka) {
		1083	return 0 unless $ka[$_] eq $kb[$_];
		1084	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1085	}
		1086
		1087	} elsif ("ARRAY" eq ref $a) {
		1088
		1089	return 0 if @$a != @$b;
		1090
		1091	for (0 .. $#$a) {
		1092	return 0 unless _object_equal $a->[$_], $b->[$_];
		1093	}
		1094
		1095	} elsif ($a ne $b) {
		1096	return 0;
		1097	}
		1098
		1099	1
		1100	}
		1101
		1102	our $SLOW_MERGES;#d#
		1103	sub _can_merge {
		1104	my ($ob1, $ob2) = @_;
		1105
		1106	++$SLOW_MERGES;#d#
		1107
		1108	# we do the slow way here
		1109	return _object_equal $ob1, $ob2
		1110	}
706		1111
707	sub reattach {	1112	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1114	my ($obj) = @_;
710		1115
		1116	# no longer needed after getting rid of delete_package?
711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1117	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
712		1118
713	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
714		1120
715	@$registry = ();	1121	@$registry = ();
716		1122
…		…
731	cf::attachable->attach (	1137	cf::attachable->attach (
732	prio => -1000000,	1138	prio => -1000000,
733	on_instantiate => sub {	1139	on_instantiate => sub {
734	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
735		1141
736	$data = from_json $data;	1142	$data = decode_json $data;
737		1143
738	for (@$data) {	1144	for (@$data) {
739	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
740		1146
741	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1163	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
759		1165
760	sync_job {	1166	sync_job {
761	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
764		1171
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1176	aio_close $fh;
770		1177
771	if (@$objs) {	1178	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1179	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1184	aio_close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
779	}	1186	}
780	} else {	1187	} else {
781	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
782	}	1189	}
…		…
787	}	1194	}
788	} else {	1195	} else {
789	aio_unlink $filename;	1196	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
791	}	1198	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1199	};
799	}	1200	}
800		1201
801	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
803		1204
…		…
808		1209
809	sub object_thawer_load {	1210	sub object_thawer_load {
810	my ($filename) = @_;	1211	my ($filename) = @_;
811		1212
812	my ($data, $av);	1213	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1214
817	(aio_load $filename, $data) >= 0	1215	(aio_load $filename, $data) >= 0
818	or return;	1216	or return;
819		1217
820	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
822	or return;	1220	or return;
		1221
823	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
824	}	1224	}
825		1225
		1226	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
828	return ($data, $av);	1230	($data, $av)
829	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
830		1238
831	#############################################################################	1239	#############################################################################
832	# command handling &c	1240	# command handling &c
833		1241
834	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1256	}
849		1257
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1259
852	Register a callbackf ro execution when the client sends an extcmd packet.	1260	Register a callback for execution when the client sends an (synchronous)
		1261	extcmd packet. Ext commands will be processed in the order they are
		1262	received by the server, like other user commands. The first argument is
		1263	the logged-in player. Ext commands can only be processed after a player
		1264	has logged in successfully.
853		1265
854	If the callback returns something, it is sent back as if reply was being	1266	If the callback returns something, it is sent back as if reply was being
855	called.	1267	called.
856		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
857	=cut	1280	=cut
858		1281
859	sub register_extcmd {	1282	sub register_extcmd {
860	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
861		1284
862	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
863	}	1292	}
864		1293
865	cf::player->attach (	1294	cf::player->attach (
866	on_command => sub {	1295	on_command => sub {
867	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1305	cf::override;
877	},	1306	},
878	on_extcmd => sub {	1307	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
880		1309
881	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1311
883	if (ref $msg) {	1312	if (ref $msg) {
		1313	my ($type, $reply, @payload) =
		1314	"ARRAY" eq ref $msg
		1315	? @$msg
		1316	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1317
		1318	my @reply;
		1319
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
889	} else {	1327	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1329	}
892		1330
893	cf::override;	1331	cf::override;
894	},	1332	},
895	);	1333	);
896		1334
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
932	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1340	next unless -r $path;
934	eval {	1341
935	load_extension $ext;	1342	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1343	my $base = $1;
		1344	my $pkg = $1;
		1345	$pkg =~ s/[^[:word:]]/_/g;
		1346	$pkg = "ext::$pkg";
		1347
		1348	open my $fh, "<:utf8", $path
		1349	or die "$path: $!";
		1350
		1351	my $source = do { local $/; <$fh> };
		1352
		1353	my %ext = (
		1354	path => $path,
		1355	base => $base,
		1356	pkg => $pkg,
		1357	);
		1358
		1359	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1360	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1361
		1362	$ext{source} =
		1363	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1364	. "#line 1 \"$path\"\n{\n"
		1365	. $source
		1366	. "\n};\n1";
		1367
		1368	$todo{$base} = \%ext;
		1369	}
		1370
		1371	my %done;
		1372	while (%todo) {
		1373	my $progress;
		1374
		1375	while (my ($k, $v) = each %todo) {
		1376	for (split /,\s*/, $v->{meta}{depends}) {
		1377	goto skip
		1378	unless exists $done{$_};
		1379	}
		1380
		1381	warn "... loading '$k' into '$v->{pkg}'\n";
		1382
		1383	unless (eval $v->{source}) {
		1384	my $msg = $@ ? "$v->{path}: $@\n"
		1385	: "$v->{base}: extension inactive.\n";
		1386
		1387	if (exists $v->{meta}{mandatory}) {
		1388	warn $msg;
		1389	cf::cleanup "mandatory extension failed to load, exiting.";
		1390	}
		1391
		1392	warn $msg;
		1393	}
		1394
		1395	$done{$k} = delete $todo{$k};
		1396	push @EXTS, $v->{pkg};
		1397	$progress = 1;
936	1	1398	}
937	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
938	}	1404	};
939	}	1405	}
940		1406
941	#############################################################################	1407	#############################################################################
942		1408
		1409	=back
		1410
943	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
944		1412
945	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
946		1414
947	=cut	1415	=cut
948		1416
949	package cf::player;	1417	package cf::player;
950		1418
…		…
952		1420
953	=head3 cf::player	1421	=head3 cf::player
954		1422
955	=over 4	1423	=over 4
956		1424
		1425	=item cf::player::num_playing
		1426
		1427	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1428
		1429	=cut
		1430
		1431	sub num_playing {
		1432	scalar grep
		1433	$_->ob->map
		1434	&& !$_->hidden
		1435	&& !$_->ob->flag (cf::FLAG_WIZ),
		1436	cf::player::list
		1437	}
		1438
957	=item cf::player::find $login	1439	=item cf::player::find $login
958		1440
959	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
960		1442
961	=cut	1443	=cut
962		1444
963	sub playerdir($) {	1445	sub playerdir($) {
964	cf::localdir	1446	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1448	}
970		1449
971	sub path($) {	1450	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1452
974	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
975	}	1454	}
976		1455
977	sub find_active($) {	1456	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
982		1461
983	sub exists($) {	1462	sub exists($) {
984	my ($login) = @_;	1463	my ($login) = @_;
985		1464
986	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
987	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
988	}	1467	}
989		1468
990	sub find($) {	1469	sub find($) {
991	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
992	my $login = $_[0];	1471	my $login = $_[0];
993		1472
994	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
995		1474
996	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1476	# rename old playerfiles to new ones
		1477	#TODO: remove when no longer required
		1478	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1479	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1480	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1481	aio_unlink +(playerdir $login) . "/$login.pl";
		1482
		1483	my $f = new_from_file cf::object::thawer path $login
998	or return;	1484	or return;
		1485
		1486	my $pl = cf::player::load_pl $f
		1487	or return;
		1488
		1489	local $cf::PLAYER_LOADING{$login} = $pl;
		1490	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
1000	}	1492	}
1001	}	1493	}
1002	}	1494	}
1003		1495
…		…
1012	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1013		1505
1014	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1016		1508
		1509	cf::get_slot 0.01;
		1510
1017	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1018	Coro::cede;	1512	cf::cede_to_tick;
1019	}	1513	}
1020		1514
1021	sub new($) {	1515	sub new($) {
1022	my ($login) = @_;	1516	my ($login) = @_;
1023		1517
…		…
1029	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1030		1524
1031	$self	1525	$self
1032	}	1526	}
1033		1527
		1528	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1529
		1530	=cut
		1531
		1532	sub send_msg {
		1533	my $ns = shift->ns
		1534	or return;
		1535	$ns->send_msg (@_);
		1536	}
		1537
1034	=item $pl->quit_character	1538	=item $pl->quit_character
1035		1539
1036	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1038		1542
1039	=cut	1543	=cut
1040		1544
1041	sub quit_character {	1545	sub quit_character {
1042	my ($pl) = @_;	1546	my ($pl) = @_;
1043		1547
		1548	my $name = $pl->ob->name;
		1549
1044	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1551	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1046		1552
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1049	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1050	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1051		1559
1052	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1562	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1563	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1564	$pl->destroy;
		1565
		1566	my $prefix = qr<^~\Q$name\E/>;
		1567
		1568	# nuke player maps
		1569	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1570
1057	IO::AIO::aio_rmtree $temp;	1571	IO::AIO::aio_rmtree $temp;
		1572	}
		1573
		1574	=item $pl->kick
		1575
		1576	Kicks a player out of the game. This destroys the connection.
		1577
		1578	=cut
		1579
		1580	sub kick {
		1581	my ($pl, $kicker) = @_;
		1582
		1583	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1584	$pl->killer ("kicked");
		1585	$pl->ns->destroy;
1058	}	1586	}
1059		1587
1060	=item cf::player::list_logins	1588	=item cf::player::list_logins
1061		1589
1062	Returns am arrayref of all valid playernames in the system, can take a	1590	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1064		1592
1065	=cut	1593	=cut
1066		1594
1067	sub list_logins {	1595	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1597	or return [];
1070		1598
1071	my @logins;	1599	my @logins;
1072		1600
1073	for my $login (@$dirs) {	1601	for my $login (@$dirs) {
		1602	my $path = path $login;
		1603
		1604	# a .pst is a dead give-away for a valid player
		1605	# if no pst file found, open and chekc for blocked users
		1606	if (aio_stat "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1077		1611
1078	utf8::decode $login;	1612	utf8::decode $login;
1079	push @logins, $login;	1613	push @logins, $login;
1080	}	1614	}
1081		1615
…		…
1108	}	1642	}
1109		1643
1110	\@paths	1644	\@paths
1111	}	1645	}
1112		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1114		1652
1115	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1116		1654
1117	=cut	1655	=cut
1118		1656
1119	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1121		1659
1122	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1661	}
1126		1662
1127	package cf;	1663	=item $player->ext_msg ($type, @msg)
		1664
		1665	Sends an ext event to the client.
		1666
		1667	=cut
		1668
		1669	sub ext_msg($$@) {
		1670	my ($self, $type, @msg) = @_;
		1671
		1672	$self->ns->ext_msg ($type, @msg);
		1673	}
		1674
		1675	=head3 cf::region
		1676
		1677	=over 4
		1678
		1679	=cut
		1680
		1681	package cf::region;
		1682
		1683	=item cf::region::find_by_path $path
		1684
		1685	Tries to decuce the likely region for a map knowing only its path.
		1686
		1687	=cut
		1688
		1689	sub find_by_path($) {
		1690	my ($path) = @_;
		1691
		1692	my ($match, $specificity);
		1693
		1694	for my $region (list) {
		1695	if ($region->{match} && $path =~ $region->{match}) {
		1696	($match, $specificity) = ($region, $region->specificity)
		1697	if $region->specificity > $specificity;
		1698	}
		1699	}
		1700
		1701	$match
		1702	}
1128		1703
1129	=back	1704	=back
1130
1131		1705
1132	=head3 cf::map	1706	=head3 cf::map
1133		1707
1134	=over 4	1708	=over 4
1135		1709
…		…
1147	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1148	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1149		1723
1150	sub generate_random_map {	1724	sub generate_random_map {
1151	my ($self, $rmp) = @_;	1725	my ($self, $rmp) = @_;
		1726
		1727	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1728
1152	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1153	$self->_create_random_map (	1730	$self->_create_random_map (
1154	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1155	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1156	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1190	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1191		1768
1192	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1193	local $self->{path};	1770	local $self->{path};
1194	local $self->{load_path};	1771	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1772
1198	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1199	}	1774	}
1200		1775
1201	sub normalise {	1776	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1249	return $self;	1824	return $self;
1250	}	1825	}
1251	}	1826	}
1252		1827
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1829	()
1255	}	1830	}
1256		1831
1257	sub init {	1832	sub init {
1258	my ($self) = @_;	1833	my ($self) = @_;
…		…
1273		1848
1274	# the original (read-only) location	1849	# the original (read-only) location
1275	sub load_path {	1850	sub load_path {
1276	my ($self) = @_;	1851	my ($self) = @_;
1277		1852
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1279	}	1854	}
1280		1855
1281	# the temporary/swap location	1856	# the temporary/swap location
1282	sub save_path {	1857	sub save_path {
1283	my ($self) = @_;	1858	my ($self) = @_;
1284		1859
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1287	}	1862	}
1288		1863
1289	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1290	sub uniq_path {	1865	sub uniq_path {
1291	my ($self) = @_;	1866	my ($self) = @_;
1292		1867
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1295	}	1870	}
1296		1871
1297	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1298	# all maps in C++...	1873	# all maps in C++...
1299	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1301		1876
1302	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1304	}	1879	}
1305		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1306	sub unlink_save {	1889	sub unlink_save {
1307	my ($self) = @_;	1890	my ($self) = @_;
1308		1891
1309	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1895	}
1318		1896
1319	sub load_header_from($) {	1897	sub load_header_from($) {
1320	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1321		1899
1322	utf8::encode $path;	1900	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1902	or return;
		1903
		1904	$self->_load_header ($f)
		1905	or return;
		1906
		1907	local $MAP_LOADING{$self->{path}} = $self;
		1908	$f->resolve_delayed_derefs;
1328		1909
1329	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1330		1911
1331	1	1912	1
1332	}	1913	}
…		…
1371	$self->load_header_orig	1952	$self->load_header_orig
1372	or return;	1953	or return;
1373	$self->prepare_orig;	1954	$self->prepare_orig;
1374	}	1955	}
1375		1956
		1957	$self->{deny_reset} = 1
		1958	if $self->no_reset;
		1959
		1960	$self->default_region (cf::region::find_by_path $self->{path})
		1961	unless $self->default_region;
		1962
1376	1	1963	1
1377	}	1964	}
1378		1965
1379	sub find;	1966	sub find;
1380	sub find {	1967	sub find {
1381	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1382		1969
1383	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1384		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1386		1974
1387	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1388	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1389	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1390	or return;	1980	or return;
1391		1981
1392	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1393		1983
1394	$map->load_header	1984	$map->load_header
1395	or return;	1985	or return;
1396		1986
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1400	$map->reset;	1992	$map->reset;
1401	undef $guard;
1402	return find $path;	1993	return find $path;
1403	}	1994	}
1404		1995
1405	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1406	}	1997	}
…		…
1413	my ($self) = @_;	2004	my ($self) = @_;
1414		2005
1415	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1416		2007
1417	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1419		2012
		2013	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2015
1422	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1423		2017
1424	$self->alloc;	2018	$self->alloc;
1425		2019
1426	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1427		2022
1428	$self->_load_objects ($self->{load_path}, 1)	2023	my $f = new_from_file cf::object::thawer $self->{load_path};
		2024	$f->skip_block;
		2025	$self->_load_objects ($f)
1429	or return;	2026	or return;
1430		2027
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1432	if delete $self->{load_original};	2029	if delete $self->{load_original};
1433		2030
1434	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2032	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2035	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1439	}	2039	}
1440	}	2040	}
1441		2041
1442	Coro::cede;	2042	$f->resolve_delayed_derefs;
1443		2043
		2044	cf::cede_to_tick;
1444	# now do the right thing for maps	2045	# now do the right thing for maps
1445	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2048	unless $self->difficulty;
1455	Coro::cede;	2049	cf::cede_to_tick;
		2050
		2051	unless ($self->{deny_activate}) {
		2052	$self->decay_objects;
		2053	$self->fix_auto_apply;
		2054	$self->update_buttons;
		2055	cf::cede_to_tick;
		2056	$self->set_darkness_map;
		2057	cf::cede_to_tick;
1456	$self->activate;	2058	$self->activate;
		2059	}
		2060
		2061	$self->{last_save} = $cf::RUNTIME;
		2062	$self->last_access ($cf::RUNTIME);
		2063
		2064	$self->in_memory (cf::MAP_ACTIVE);
1457	}	2065	}
1458		2066
1459	$self->post_load;	2067	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2068	}
1463		2069
1464	sub customise_for {	2070	sub customise_for {
1465	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1466		2072
1467	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2074	if $self->per_player;
1469		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1470	$self	2079	$self
1471	}	2080	}
1472		2081
1473	# find and load all maps in the 3x3 area around a map	2082	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2083	sub load_neighbours {
1475	my ($map) = @_;	2084	my ($map) = @_;
1476		2085
1477	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1478		2087
1479	for (0 .. 3) {	2088	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1481	or next;	2090	or next;
1482	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1483	or next;	2092	or next;
1484	$neigh->load;	2093	$neigh->load;
1485		2094
		2095	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2098	}
1489		2099
1490	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1492	or next;	2103	or next;
1493	$neigh->load;	2104	$neigh->load;
1494	}	2105	}
1495	}	2106	}
1496		2107
…		…
1501	}	2112	}
1502		2113
1503	sub do_load_sync {	2114	sub do_load_sync {
1504	my ($map) = @_;	2115	my ($map) = @_;
1505		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1506	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1507	}	2121	}
1508		2122
1509	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1511		2125
1512	sub find_async {	2126	sub find_async {
1513	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1514		2128
1515	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1516		2130
1517	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1519	}	2133	}
1520		2134
1521	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1522	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1523	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2142	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2143	$map->load if $v;
		2144	}
1528		2145
1529	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1530	}	2147	}
1531	}	2148	}
1532	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1533	};	2150	};
1534	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2154	}
1538		2155
1539	sub save {	2156	sub save {
1540	my ($self) = @_;	2157	my ($self) = @_;
1541		2158
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2160
1544	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1545		2162
1546	return unless $self->dirty;	2163	return unless $self->dirty;
1547		2164
…		…
1553	return if $self->{deny_save};	2170	return if $self->{deny_save};
1554		2171
1555	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1556		2173
1557	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1559	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1560		2180
1561	if ($uniq) {	2181	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1563	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1564	} else {	2184	} else {
…		…
1570	my ($self) = @_;	2190	my ($self) = @_;
1571		2191
1572	# save first because save cedes	2192	# save first because save cedes
1573	$self->save;	2193	$self->save;
1574		2194
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2196
1577	return if $self->players;	2197	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1579	return if $self->{deny_save};	2199	return if $self->{deny_save};
1580		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2205	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2206	}
1584		2207
1585	sub reset_at {	2208	sub reset_at {
1586	my ($self) = @_;	2209	my ($self) = @_;
1587		2210
1588	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1591		2213
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2215	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2216
…		…
1605	my ($self) = @_;	2227	my ($self) = @_;
1606		2228
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2230
1609	return if $self->players;	2231	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2232
1612	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
		2234
		2235	$self->in_memory (cf::MAP_SWAPPED);
		2236
		2237	# need to save uniques path
		2238	unless ($self->{deny_save}) {
		2239	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2240
		2241	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2242	if $uniq;
		2243	}
1613		2244
1614	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1615		2246
1616	$self->in_memory (cf::MAP_SWAPPED);	2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1617	$self->clear;	2249	$self->clear;
1618
1619	$_->clear_links_to ($self) for values %cf::MAP;
1620		2250
1621	$self->unlink_save;	2251	$self->unlink_save;
1622	$self->destroy;	2252	$self->destroy;
1623	}	2253	}
1624		2254
1625	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1626		2256
1627	sub nuke {	2257	sub nuke {
1628	my ($self) = @_;	2258	my ($self) = @_;
1629		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1630	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1631		2264
1632	$self->unlink_save;	2265	$self->unlink_save;
1633		2266
1634	bless $self, "cf::map";	2267	bless $self, "cf::map";
1635	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1636	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1637	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1638	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1639		2272
1640	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1641		2275
1642	$self->reset; # polite request, might not happen	2276	$self->reset; # polite request, might not happen
		2277	}
		2278
		2279	=item $maps = cf::map::tmp_maps
		2280
		2281	Returns an arrayref with all map paths of currently instantiated and saved
		2282	maps. May block.
		2283
		2284	=cut
		2285
		2286	sub tmp_maps() {
		2287	[
		2288	map {
		2289	utf8::decode $_;
		2290	/\.map$/
		2291	? normalise $_
		2292	: ()
		2293	} @{ aio_readdir $TMPDIR or [] }
		2294	]
		2295	}
		2296
		2297	=item $maps = cf::map::random_maps
		2298
		2299	Returns an arrayref with all map paths of currently instantiated and saved
		2300	random maps. May block.
		2301
		2302	=cut
		2303
		2304	sub random_maps() {
		2305	[
		2306	map {
		2307	utf8::decode $_;
		2308	/\.map$/
		2309	? normalise "?random/$_"
		2310	: ()
		2311	} @{ aio_readdir $RANDOMDIR or [] }
		2312	]
1643	}	2313	}
1644		2314
1645	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1646		2316
1647	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1648	instantiated unique items. May block.	2318	instantiated unique items. May block.
1649		2319
1650	=cut	2320	=cut
1651		2321
1652	sub unique_maps() {	2322	sub unique_maps() {
1653	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1654	or return;	2324	map {
1655
1656	my @paths;
1657
1658	for (@$files) {
1659	utf8::decode $_;	2325	utf8::decode $_;
1660	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1661	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1662		2328	? ()
1663	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1664	}	2331	]
1665
1666	\@paths
1667	}	2332	}
1668
1669	package cf;
1670		2333
1671	=back	2334	=back
1672		2335
1673	=head3 cf::object	2336	=head3 cf::object
1674		2337
…		…
1678		2341
1679	=over 4	2342	=over 4
1680		2343
1681	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1682		2345
1683	Returns the inventory of the object _and_ their inventories, recursively.	2346	Returns the inventory of the object I<and> their inventories, recursively,
		2347	but I<not> the object itself.
1684		2348
1685	=cut	2349	=cut
1686		2350
1687	sub inv_recursive_;	2351	sub inv_recursive_;
1688	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1691		2355
1692	sub inv_recursive {	2356	sub inv_recursive {
1693	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1694	}	2358	}
1695		2359
		2360	=item $ref = $ob->ref
		2361
		2362	Creates and returns a persistent reference to an object that can be stored as a string.
		2363
		2364	=item $ob = cf::object::deref ($refstring)
		2365
		2366	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2367	even if the object actually exists. May block.
		2368
		2369	=cut
		2370
		2371	sub deref {
		2372	my ($ref) = @_;
		2373
		2374	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2375	my ($uuid, $name) = ($1, $2);
		2376	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2377	or return;
		2378	$pl->ob->uuid eq $uuid
		2379	or return;
		2380
		2381	$pl->ob
		2382	} else {
		2383	warn "$ref: cannot resolve object reference\n";
		2384	undef
		2385	}
		2386	}
		2387
1696	package cf;	2388	package cf;
1697		2389
1698	=back	2390	=back
1699		2391
1700	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1706	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2398	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1707	can be C<undef>. Does the right thing when the player is currently in a	2399	can be C<undef>. Does the right thing when the player is currently in a
1708	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1709		2401
1710	=cut	2402	=cut
		2403
		2404	our $SAY_CHANNEL = {
		2405	id => "say",
		2406	title => "Map",
		2407	reply => "say ",
		2408	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2409	};
		2410
		2411	our $CHAT_CHANNEL = {
		2412	id => "chat",
		2413	title => "Chat",
		2414	reply => "chat ",
		2415	tooltip => "Player chat and shouts, global to the server.",
		2416	};
1711		2417
1712	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1713	# with dialog boxes.	2419	# with dialog boxes.
1714	#TODO: the first argument must go, split into a $npc->reply_to ( method	2420	#TODO: the first argument must go, split into a $npc->reply_to ( method
1715	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1717		2423
1718	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1719		2425
1720	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1721	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1722	} else {	2429	} else {
		2430	my $pl = $self->contr;
		2431
		2432	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2433	my $dialog = $pl->{npc_dialog};
		2434	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2435
		2436	} else {
1723	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1724	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1725	}	2440	}
		2441	}
		2442
		2443	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2444
		2445	=cut
		2446
		2447	sub cf::object::send_msg {
		2448	my $pl = shift->contr
		2449	or return;
		2450	$pl->send_msg (@_);
1726	}	2451	}
1727		2452
1728	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1729		2454
1730	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1743		2468
1744	=item $player_object->enter_link	2469	=item $player_object->enter_link
1745		2470
1746	Freezes the player and moves him/her to a special map (C<{link}>).	2471	Freezes the player and moves him/her to a special map (C<{link}>).
1747		2472
1748	The player should be reasonably safe there for short amounts of time. You	2473	The player should be reasonably safe there for short amounts of time (e.g.
1749	I<MUST> call C<leave_link> as soon as possible, though.	2474	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2475	though, as the palyer cannot control the character while it is on the link
		2476	map.
1750		2477
1751	Will never block.	2478	Will never block.
1752		2479
1753	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1754		2481
…		…
1777	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1778		2505
1779	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1780		2507
1781	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1782	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1783		2510
1784	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1785	}	2512	}
1786		2513
1787	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1788	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1789		2518
1790	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1791		2520
1792	unless ($map) {	2521	unless ($map) {
1793	# restore original map position	2522	# restore original map position
…		…
1807	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1808	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1809	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1810		2539
1811	$map->load;	2540	$map->load;
1812	$map->load_diag;	2541	$map->load_neighbours;
1813		2542
1814	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1815	$self->activate_recursive;	2545	$self->activate_recursive;
		2546
		2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1817	}	2549	}
1818		2550
1819	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1820	on_logout => sub {
1821	my ($pl) = @_;
1822		2552
1823	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1824	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1825	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1826	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1827	};	2557	be called at the end of this process.
1828	}
1829	},
1830	on_login => sub {
1831	my ($pl) = @_;
1832		2558
1833	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1834	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1835	if ($pl->ob->{_link_pos}) {
1836	$pl->ob->enter_link;
1837	(async {
1838	# we need this sleep as the login has a concurrent enter_exit running
1839	# and this sleep increases chances of the player not ending up in scorn
1840	$pl->ob->reply (undef,
1841	"There was an internal problem at your last logout, "
1842	. "the server will try to bring you to your intended destination in a second.",
1843	cf::NDI_RED);
1844	Coro::Timer::sleep 1;
1845	$pl->ob->leave_link;
1846	})->prio (2);
1847	}
1848	},
1849	);
1850		2561
1851	=item $player_object->goto ($path, $x, $y)
1852
1853	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1854		2565
1855	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1856	my ($self, $path, $x, $y) = @_;	2567	my ($self, $path, $x, $y, $check, $done) = @_;
		2568
		2569	# do generation counting so two concurrent goto's will be executed in-order
		2570	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1857		2571
1858	$self->enter_link;	2572	$self->enter_link;
1859		2573
1860	(async {	2574	(async {
		2575	$Coro::current->{desc} = "player::goto $path $x $y";
		2576
		2577	# *tag paths override both path and x|y
		2578	if ($path =~ /^\*(.*)$/) {
		2579	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2580	my $ob = $obs[rand @obs];
		2581
		2582	# see if we actually can go there
		2583	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2584	$ob = $obs[rand @obs];
		2585	} else {
		2586	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2587	}
		2588	# else put us there anyways for now #d#
		2589
		2590	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2591	} else {
		2592	($path, $x, $y) = (undef, undef, undef);
		2593	}
		2594	}
		2595
1861	my $map = eval {	2596	my $map = eval {
1862	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1863	$map = $map->customise_for ($self) if $map;	2600	$map = $map->customise_for ($self);
		2601	$map = $check->($map) if $check && $map;
		2602	} else {
		2603	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	}
		2605
1864	$map	2606	$map
		2607	};
		2608
		2609	if ($@) {
		2610	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2611	LOG llevError | logBacktrace, Carp::longmess $@;
1865	} or	2612	}
1866	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1867		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1868	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1869	})->prio (1);	2620	})->prio (1);
1870	}	2621	}
1871		2622
1872	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1873		2624
…		…
1893	}	2644	}
1894		2645
1895	sub prepare_random_map {	2646	sub prepare_random_map {
1896	my ($exit) = @_;	2647	my ($exit) = @_;
1897		2648
1898	my $guard = cf::lock_acquire "exit_prepare:$exit";
1899
1900	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1901	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1902	# that depends on the exit object	2651	# that depends on the exit object
1903		2652
1904	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1906	if ($exit->map) {	2655	if ($exit->map) {
1907	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1908	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1909	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1910	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1911	}	2662	}
1912		2663
1913	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1914		2665
1915	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1916	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1917	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1918		2669
1919	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1920	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1921	undef $fh;	2672	undef $fh;
1922	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1923		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1924	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1925	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1926	}	2681	}
1927	}	2682	}
1928		2683
1929	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1930	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1931		2686
1932	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1933		2688
1934	if ($exit->slaying eq "/!") {
1935	#TODO: this should de-fi-ni-te-ly not be a sync-job
1936	cf::sync_job { prepare_random_map $exit };
1937	}
1938
1939	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1940	my $hp = $exit->stats->hp;
1941	my $sp = $exit->stats->sp;
1942
1943	$self->enter_link;	2689	$self->enter_link;
1944		2690
1945	(async {	2691	(async {
1946	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1947	unless (eval {	2694	unless (eval {
		2695	$self->deactivate_recursive; # just to be sure
		2696
		2697	# random map handling
		2698	{
		2699	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2700
		2701	prepare_random_map $exit
		2702	if $exit->slaying eq "/!";
		2703	}
		2704
		2705	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2706	my $x = $exit->stats->hp;
		2707	my $y = $exit->stats->sp;
		2708
1948	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1949		2710
		2711	# if exit is damned, update players death & WoR home-position
		2712	$self->contr->savebed ($map, $x, $y)
		2713	if $exit->flag (cf::FLAG_DAMNED);
		2714
1950	1;	2715	1
1951	}) {	2716	}) {
1952	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1953	. "I'll try to bring you back to the map you were before. "	2718	. "I'll try to bring you back to the map you were before. "
1954	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1955	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1956		2721
1957	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1958	$self->leave_link;	2723	$self->leave_link;
1959	}	2724	}
1960	})->prio (1);	2725	})->prio (1);
…		…
1973		2738
1974	sub cf::client::send_drawinfo {	2739	sub cf::client::send_drawinfo {
1975	my ($self, $text, $flags) = @_;	2740	my ($self, $text, $flags) = @_;
1976		2741
1977	utf8::encode $text;	2742	utf8::encode $text;
1978	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1979	}	2744	}
1980		2745
		2746	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2747
		2748	Send a drawinfo or msg packet to the client, formatting the msg for the
		2749	client if neccessary. C<$type> should be a string identifying the type of
		2750	the message, with C<log> being the default. If C<$color> is negative, suppress
		2751	the message unless the client supports the msg packet.
		2752
		2753	=cut
		2754
		2755	# non-persistent channels (usually the info channel)
		2756	our %CHANNEL = (
		2757	"c/identify" => {
		2758	id => "infobox",
		2759	title => "Identify",
		2760	reply => undef,
		2761	tooltip => "Items recently identified",
		2762	},
		2763	"c/examine" => {
		2764	id => "infobox",
		2765	title => "Examine",
		2766	reply => undef,
		2767	tooltip => "Signs and other items you examined",
		2768	},
		2769	"c/book" => {
		2770	id => "infobox",
		2771	title => "Book",
		2772	reply => undef,
		2773	tooltip => "The contents of a note or book",
		2774	},
		2775	"c/lookat" => {
		2776	id => "infobox",
		2777	title => "Look",
		2778	reply => undef,
		2779	tooltip => "What you saw there",
		2780	},
		2781	"c/who" => {
		2782	id => "infobox",
		2783	title => "Players",
		2784	reply => undef,
		2785	tooltip => "Shows players who are currently online",
		2786	},
		2787	"c/body" => {
		2788	id => "infobox",
		2789	title => "Body Parts",
		2790	reply => undef,
		2791	tooltip => "Shows which body parts you posess and are available",
		2792	},
		2793	"c/skills" => {
		2794	id => "infobox",
		2795	title => "Skills",
		2796	reply => undef,
		2797	tooltip => "Shows your experience per skill and item power",
		2798	},
		2799	"c/uptime" => {
		2800	id => "infobox",
		2801	title => "Uptime",
		2802	reply => undef,
		2803	tooltip => "How long the server has been running since last restart",
		2804	},
		2805	"c/mapinfo" => {
		2806	id => "infobox",
		2807	title => "Map Info",
		2808	reply => undef,
		2809	tooltip => "Information related to the maps",
		2810	},
		2811	"c/party" => {
		2812	id => "party",
		2813	title => "Party",
		2814	reply => "gsay ",
		2815	tooltip => "Messages and chat related to your party",
		2816	},
		2817	);
		2818
		2819	sub cf::client::send_msg {
		2820	my ($self, $channel, $msg, $color, @extra) = @_;
		2821
		2822	$msg = $self->pl->expand_cfpod ($msg)
		2823	unless $color & cf::NDI_VERBATIM;
		2824
		2825	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2826
		2827	# check predefined channels, for the benefit of C
		2828	if ($CHANNEL{$channel}) {
		2829	$channel = $CHANNEL{$channel};
		2830
		2831	$self->ext_msg (channel_info => $channel)
		2832	if $self->can_msg;
		2833
		2834	$channel = $channel->{id};
		2835
		2836	} elsif (ref $channel) {
		2837	# send meta info to client, if not yet sent
		2838	unless (exists $self->{channel}{$channel->{id}}) {
		2839	$self->{channel}{$channel->{id}} = $channel;
		2840	$self->ext_msg (channel_info => $channel)
		2841	if $self->can_msg;
		2842	}
		2843
		2844	$channel = $channel->{id};
		2845	}
		2846
		2847	return unless @extra || length $msg;
		2848
		2849	if ($self->can_msg) {
		2850	# default colour, mask it out
		2851	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2852	if $color & cf::NDI_DEF;
		2853
		2854	my $pkt = "msg "
		2855	. $self->{json_coder}->encode (
		2856	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2857	);
		2858
		2859	# try lzf for large packets
		2860	$pkt = "lzf " . Compress::LZF::compress $pkt
		2861	if 1024 <= length $pkt and $self->{can_lzf};
		2862
		2863	# split very large packets
		2864	if (8192 < length $pkt and $self->{can_lzf}) {
		2865	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2866	$pkt = "frag";
		2867	}
		2868
		2869	$self->send_packet ($pkt);
		2870	} else {
		2871	if ($color >= 0) {
		2872	# replace some tags by gcfclient-compatible ones
		2873	for ($msg) {
		2874	1 while
		2875	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2876	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2877	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2878	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2879	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2880	}
		2881
		2882	$color &= cf::NDI_COLOR_MASK;
		2883
		2884	utf8::encode $msg;
		2885
		2886	if (0 && $msg =~ /\[/) {
		2887	# COMMAND/INFO
		2888	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2889	} else {
		2890	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2891	$self->send_packet ("drawinfo $color $msg")
		2892	}
		2893	}
		2894	}
		2895	}
		2896
		2897	=item $client->ext_msg ($type, @msg)
		2898
		2899	Sends an ext event to the client.
		2900
		2901	=cut
		2902
		2903	sub cf::client::ext_msg($$@) {
		2904	my ($self, $type, @msg) = @_;
		2905
		2906	if ($self->extcmd == 2) {
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2908	} elsif ($self->extcmd == 1) { # TODO: remove
		2909	push @msg, msgtype => "event_$type";
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2911	}
		2912	}
		2913
		2914	=item $client->ext_reply ($msgid, @msg)
		2915
		2916	Sends an ext reply to the client.
		2917
		2918	=cut
		2919
		2920	sub cf::client::ext_reply($$@) {
		2921	my ($self, $id, @msg) = @_;
		2922
		2923	if ($self->extcmd == 2) {
		2924	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2925	} elsif ($self->extcmd == 1) {
		2926	#TODO: version 1, remove
		2927	unshift @msg, msgtype => "reply", msgid => $id;
		2928	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2929	}
		2930	}
1981		2931
1982	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
1983		2933
1984	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
1985	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2935	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1986	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2936	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1987		2937
1988	Queries can fail, so check the return code. Or don't, as queries will become	2938	Queries can fail, so check the return code. Or don't, as queries will
1989	reliable at some point in the future.	2939	become reliable at some point in the future.
1990		2940
1991	=cut	2941	=cut
1992		2942
1993	sub cf::client::query {	2943	sub cf::client::query {
1994	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2002	utf8::encode $text;	2952	utf8::encode $text;
2003	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2004		2954
2005	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2006	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2007	}	2959	}
2008		2960
2009	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2010	on_reply => sub {	2967	on_reply => sub {
2011	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2012		2969
2013	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2014	# get handled first	2971	# get handled first
…		…
2026	} else {	2983	} else {
2027	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2028	}	2985	}
2029	}	2986	}
2030	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($ns, $buf) = @_;
		2990
		2991	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2992
		2993	if (ref $msg) {
		2994	my ($type, $reply, @payload) =
		2995	"ARRAY" eq ref $msg
		2996	? @$msg
		2997	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2998
		2999	my @reply;
		3000
		3001	if (my $cb = $EXTICMD{$type}) {
		3002	@reply = $cb->($ns, @payload);
		3003	}
		3004
		3005	$ns->ext_reply ($reply, @reply)
		3006	if $reply;
		3007
		3008	} else {
		3009	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3010	}
		3011
		3012	cf::override;
		3013	},
2031	);	3014	);
2032		3015
2033	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2034		3017
2035	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2076	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2077	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2078		3061
2079	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2080		3063
2081	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3064	$safe->permit_only (Opcode::opset qw(
		3065	:base_core :base_mem :base_orig :base_math
		3066	grepstart grepwhile mapstart mapwhile
		3067	sort time
		3068	));
2082		3069
2083	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2084		3071
2085	=pod	3072	=pod
2086		3073
2087	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2088		3075
2089	cf::object contr pay_amount pay_player map	3076	cf::object
		3077	contr pay_amount pay_player map x y force_find force_add destroy
		3078	insert remove name archname title slaying race decrease split
		3079
2090	cf::object::player player	3080	cf::object::player
2091	cf::player peaceful	3081	player
2092	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2093		3088
2094	=cut	3089	=cut
2095		3090
2096	for (	3091	for (
2097	["cf::object" => qw(contr pay_amount pay_player map)],	3092	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3093	insert remove inv nrof name archname title slaying race
		3094	decrease split destroy change_exp)],
2098	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2099	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2100	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2101	) {	3098	) {
2102	no strict 'refs';	3099	no strict 'refs';
…		…
2173	=back	3170	=back
2174		3171
2175	=cut	3172	=cut
2176		3173
2177	#############################################################################	3174	#############################################################################
		3175	# the server's init and main functions
2178		3176
2179	=head2 EXTENSION DATABASE SUPPORT	3177	sub load_facedata($) {
		3178	my ($path) = @_;
2180		3179
2181	Crossfire maintains a very simple database for extension use. It can	3180	# HACK to clear player env face cache, we need some signal framework
2182	currently store anything that can be serialised using Storable, which	3181	# for this (global event?)
2183	excludes objects.	3182	%ext::player_env::MUSIC_FACE_CACHE = ();
2184		3183
2185	The parameter C<$family> should best start with the name of the extension	3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2186	using it, it should be unique.
2187		3185
2188	=over 4	3186	warn "loading facedata from $path\n";
2189		3187
2190	=item $value = cf::db_get $family => $key	3188	my $facedata;
		3189	0 < aio_load $path, $facedata
		3190	or die "$path: $!";
2191		3191
2192	Returns a single value from the database.	3192	$facedata = Coro::Storable::thaw $facedata;
2193		3193
2194	=item cf::db_put $family => $key => $value	3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
2195		3196
2196	Stores the given C<$value> in the family.	3197	# patch in the exptable
2197		3198	$facedata->{resource}{"res/exp_table"} = {
2198	=cut	3199	type => FT_RSRC,
2199		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2200	our $DB;
2201
2202	unless ($DB) {
2203	$DB = BDB::db_create $DB_ENV;
2204
2205	cf::sync_job {
2206	eval {
2207	$DB->set_flags (BDB::CHKSUM);
2208
2209	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211	cf::cleanup "db_open(db): $!" if $!;
2212	};
2213	cf::cleanup "db_open(db): $@" if $@;
2214	};	3201	};
		3202	cf::cede_to_tick;
2215		3203
2216	my $path = cf::localdir . "/database.pst";	3204	{
2217	if (stat $path) {	3205	my $faces = $facedata->{faceinfo};
2218	cf::sync_job {
2219	my $pst = Storable::retrieve $path;
2220		3206
2221	cf::db_put (board => data => $pst->{board});	3207	while (my ($face, $info) = each %$faces) {
2222	cf::db_put (guildrules => data => $pst->{guildrules});	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2223	cf::db_put (rent => balance => $pst->{rent}{balance});
2224	BDB::db_env_txn_checkpoint $DB_ENV;
2225		3209
2226	unlink $path;	3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
		3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3214
		3215	cf::cede_to_tick;
2227	};	3216	}
		3217
		3218	while (my ($face, $info) = each %$faces) {
		3219	next unless $info->{smooth};
		3220
		3221	my $idx = cf::face::find $face
		3222	or next;
		3223
		3224	if (my $smooth = cf::face::find $info->{smooth}) {
		3225	cf::face::set_smooth $idx, $smooth;
		3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3227	} else {
		3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3229	}
		3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
2228	}	3235	{
2229	}	3236	my $anims = $facedata->{animinfo};
2230		3237
2231	sub db_get($$) {	3238	while (my ($anim, $info) = each %$anims) {
2232	my $key = "$_[0]/$_[1]";	3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
2233		3242
2234	cf::sync_job {	3243	cf::anim::invalidate_all; # d'oh
2235	BDB::db_get $DB, undef, $key, my $data;	3244	}
2236		3245
2237	$! ? ()
2238	: Compress::LZF::sthaw $data
2239	}	3246	{
2240	}	3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
2241		3250
2242	sub db_put($$$) {	3251	while (my ($name, $info) = each %$res) {
2243	BDB::dbreq_pri 4;	3252	if (defined $info->{type}) {
2244	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };	3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
2245	}	3254	my $data;
2246		3255
2247	#############################################################################	3256	if ($info->{type} & 1) {
2248	# the server's init and main functions	3257	# prepend meta info
2249		3258
		3259	my $meta = $enc->encode ({
		3260	name => $name,
		3261	%{ $info->{meta} || {} },
		3262	});
		3263
		3264	$data = pack "(w/a*)*", $meta, $info->{data};
		3265	} else {
		3266	$data = $info->{data};
		3267	}
		3268
		3269	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3270	cf::face::set_type $idx, $info->{type};
		3271	} else {
		3272	$RESOURCE{$name} = $info;
		3273	}
		3274
		3275	cf::cede_to_tick;
		3276	}
		3277	}
		3278
		3279	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3280
		3281	1
		3282	}
		3283
		3284	cf::global->attach (on_resource_update => sub {
		3285	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3286	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3287
		3288	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3289	my $sound = $soundconf->{compat}[$_]
		3290	or next;
		3291
		3292	my $face = cf::face::find "sound/$sound->[1]";
		3293	cf::sound::set $sound->[0] => $face;
		3294	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3295	}
		3296
		3297	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3298	my $face = cf::face::find "sound/$v";
		3299	cf::sound::set $k => $face;
		3300	}
		3301	}
		3302	});
		3303
		3304	register_exticmd fx_want => sub {
		3305	my ($ns, $want) = @_;
		3306
		3307	while (my ($k, $v) = each %$want) {
		3308	$ns->fx_want ($k, $v);
		3309	}
		3310	};
		3311
2250	sub load_resources {	3312	sub load_resource_file($) {
2251	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3313	my $guard = lock_acquire "load_resource_file";
		3314
		3315	my $status = load_resource_file_ $_[0];
		3316	get_slot 0.1, 100;
		3317	cf::arch::commit_load;
		3318
		3319	$status
		3320	}
		3321
		3322	sub reload_regions {
		3323	# HACK to clear player env face cache, we need some signal framework
		3324	# for this (global event?)
		3325	%ext::player_env::MUSIC_FACE_CACHE = ();
		3326
		3327	load_resource_file "$MAPDIR/regions"
2252	or die "unable to load regions file\n";#d#	3328	or die "unable to load regions file\n";
2253	}
2254		3329
2255	sub cfg_load {	3330	for (cf::region::list) {
		3331	$_->{match} = qr/$_->{match}/
		3332	if exists $_->{match};
		3333	}
		3334	}
		3335
		3336	sub reload_facedata {
		3337	load_facedata "$DATADIR/facedata"
		3338	or die "unable to load facedata\n";
		3339	}
		3340
		3341	sub reload_archetypes {
		3342	load_resource_file "$DATADIR/archetypes"
		3343	or die "unable to load archetypes\n";
		3344	}
		3345
		3346	sub reload_treasures {
		3347	load_resource_file "$DATADIR/treasures"
		3348	or die "unable to load treasurelists\n";
		3349	}
		3350
		3351	sub reload_resources {
		3352	warn "reloading resource files...\n";
		3353
		3354	reload_facedata;
		3355	reload_archetypes;
		3356	reload_regions;
		3357	reload_treasures;
		3358
		3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2256	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2257	or return;	3364	or return;
2258		3365
2259	local $/;	3366	local $/;
2260	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2261		3368
2262	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2263		3370
2264	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3371	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2265	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3372	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2271	};	3378	};
2272	warn $@ if $@;	3379	warn $@ if $@;
2273	}	3380	}
2274	}	3381	}
2275		3382
2276	sub init {	3383	sub pidfile() {
2277	load_resources;	3384	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3385	or die "$PIDFILE: $!";
		3386	flock $fh, &Fcntl::LOCK_EX
		3387	or die "$PIDFILE: flock: $!";
		3388	$fh
		3389	}
		3390
		3391	# make sure only one server instance is running at any one time
		3392	sub atomic {
		3393	my $fh = pidfile;
		3394
		3395	my $pid = <$fh>;
		3396	kill 9, $pid if $pid > 0;
		3397
		3398	seek $fh, 0, 0;
		3399	print $fh $$;
2278	}	3400	}
2279		3401
2280	sub main {	3402	sub main {
		3403	cf::init_globals; # initialise logging
		3404
		3405	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3406	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3407	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3408	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3409
		3410	cf::init_experience;
		3411	cf::init_anim;
		3412	cf::init_attackmess;
		3413	cf::init_dynamic;
		3414	cf::init_block;
		3415
		3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417
2281	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2282	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2283	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3420	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2284	(async {	3421	(async {
2285	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2286	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2287	};	3425	};
2288		3426
2289	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
		3432	db_init;
		3433
		3434	cf::load_settings;
		3435	cf::load_materials;
		3436	cf::init_uuid;
		3437	cf::init_signals;
		3438	cf::init_commands;
		3439	cf::init_skills;
		3440
		3441	cf::init_beforeplay;
		3442
		3443	atomic;
		3444
2290	load_extensions;	3445	load_extensions;
2291		3446
2292	$TICK_WATCHER->start;	3447	utime time, time, $RUNTIMEFILE;
		3448
		3449	# no (long-running) fork's whatsoever before this point(!)
		3450	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3451
		3452	(pop @POST_INIT)->(0) while @POST_INIT;
		3453	};
		3454
2293	Event::loop;	3455	EV::loop;
2294	}	3456	}
2295		3457
2296	#############################################################################	3458	#############################################################################
2297	# initialisation and cleanup	3459	# initialisation and cleanup
2298		3460
2299	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2300	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2301	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2302	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2303	reentrant => 0,
2304	data => WF_AUTOCANCEL,
2305	signal => $signal,
2306	prio => 0,
2307	cb => sub {
2308	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2309	},
2310	);	3467	};
		3468	}
		3469	}
		3470
		3471	sub write_runtime_sync {
		3472	# first touch the runtime file to show we are still running:
		3473	# the fsync below can take a very very long time.
		3474
		3475	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3476
		3477	my $guard = cf::lock_acquire "write_runtime";
		3478
		3479	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = $cf::RUNTIME + 90 + 10;
		3483	# 10 is the runtime save interval, for a monotonic clock
		3484	# 60 allows for the watchdog to kill the server.
		3485
		3486	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3487	and return;
		3488
		3489	# always fsync - this file is important
		3490	aio_fsync $fh
		3491	and return;
		3492
		3493	# touch it again to show we are up-to-date
		3494	aio_utime $fh, undef, undef;
		3495
		3496	close $fh
		3497	or return;
		3498
		3499	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3500	and return;
		3501
		3502	warn "runtime file written.\n";
		3503
2311	}	3504	1
		3505	}
		3506
		3507	our $uuid_lock;
		3508	our $uuid_skip;
		3509
		3510	sub write_uuid_sync($) {
		3511	$uuid_skip ||= $_[0];
		3512
		3513	return if $uuid_lock;
		3514	local $uuid_lock = 1;
		3515
		3516	my $uuid = "$LOCALDIR/uuid";
		3517
		3518	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3519	or return;
		3520
		3521	my $value = uuid_seq uuid_cur;
		3522
		3523	if ($value < 1024) {
		3524	warn "cowardly refusing to write low uuid value ($value)!\n";
		3525	return;
		3526	}
		3527
		3528	my $value = uuid_str $value + $uuid_skip;
		3529	$uuid_skip = 0;
		3530
		3531	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3532	and return;
		3533
		3534	# always fsync - this file is important
		3535	aio_fsync $fh
		3536	and return;
		3537
		3538	close $fh
		3539	or return;
		3540
		3541	aio_rename "$uuid~", $uuid
		3542	and return;
		3543
		3544	warn "uuid file written ($value).\n";
		3545
		3546	1
		3547
		3548	}
		3549
		3550	sub write_uuid($$) {
		3551	my ($skip, $sync) = @_;
		3552
		3553	$sync ? write_uuid_sync $skip
		3554	: async { write_uuid_sync $skip };
2312	}	3555	}
2313		3556
2314	sub emergency_save() {	3557	sub emergency_save() {
2315	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2316		3559
…		…
2322	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2323	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2324	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2325	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2326	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2327	$pl->save;	3571	$pl->save;
2328	}	3572	}
2329	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2330		3574
2331	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2337	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2338		3582
2339	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2340	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2341	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2342	};	3590	};
2343		3591
2344	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2345	}	3593	}
2346		3594
		3595	sub post_cleanup {
		3596	my ($make_core) = @_;
		3597
		3598	warn Carp::longmess "post_cleanup backtrace"
		3599	if $make_core;
		3600
		3601	my $fh = pidfile;
		3602	unlink $PIDFILE if <$fh> == $$;
		3603	}
		3604
		3605	# a safer delete_package, copied from Symbol
		3606	sub clear_package($) {
		3607	my $pkg = shift;
		3608
		3609	# expand to full symbol table name if needed
		3610	unless ($pkg =~ /^main::.*::$/) {
		3611	$pkg = "main$pkg" if $pkg =~ /^::/;
		3612	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3613	$pkg .= '::' unless $pkg =~ /::$/;
		3614	}
		3615
		3616	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3617	my $stem_symtab = *{$stem}{HASH};
		3618
		3619	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3620	or return;
		3621
		3622	# clear all symbols
		3623	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3624	for my $name (keys %$leaf_symtab) {
		3625	_gv_clear *{"$pkg$name"};
		3626	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3627	}
		3628	warn "cleared package $pkg\n";#d#
		3629	}
		3630
2347	sub reload() {	3631	sub do_reload_perl() {
2348	# can/must only be called in main	3632	# can/must only be called in main
2349	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2350	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2351	return;	3635	return;
2352	}	3636	}
2353		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2354	warn "reloading...";	3641	warn "reloading...";
2355		3642
2356	warn "cancelling server ticker";	3643	warn "entering sync_job";
2357	$TICK_WATCHER->cancel;
2358		3644
		3645	cf::sync_job {
		3646	cf::write_runtime_sync; # external watchdog should not bark
2359	cf::emergency_save;	3647	cf::emergency_save;
		3648	cf::write_runtime_sync; # external watchdog should not bark
2360		3649
2361	eval {	3650	warn "syncing database to disk";
		3651	BDB::db_env_txn_checkpoint $DB_ENV;
		3652
2362	# if anything goes wrong in here, we should simply crash as we already saved	3653	# if anything goes wrong in here, we should simply crash as we already saved
2363		3654
2364	warn "cancelling all WF_AUTOCANCEL watchers";
2365	for (Event::all_watchers) {
2366	$_->cancel if $_->data & WF_AUTOCANCEL;
2367	}
2368
2369	warn "syncing database to disk";
2370	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371
2372	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2373	for (;;) {
2374	BDB::flush;
2375	IO::AIO::flush;
2376	Coro::cede;
2377	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2378	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2379	}
2380
2381	warn "cancelling all extension coros";
2382	$_->cancel for values %EXT_CORO;
2383	%EXT_CORO = ();
2384
2385	warn "removing commands";
2386	%COMMAND = ();
2387
2388	warn "removing ext commands";
2389	%EXTCMD = ();
2390
2391	warn "unloading/nuking all extensions";
2392	for my $pkg (@EXTS) {
2393	warn "... unloading $pkg";
2394
2395	if (my $cb = $pkg->can ("unload")) {
2396	eval {
2397	$cb->($pkg);
2398	1
2399	} or warn "$pkg unloaded, but with errors: $@";
2400	}	3658	}
2401		3659
2402	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2403	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2404	}	3662	%EXT_CORO = ();
2405		3663
2406	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2407	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2408	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2409		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2410	warn "... unloading $k";	3673	warn "... unloading $pkg";
2411	delete $INC{$k};
2412		3674
2413	$k =~ s/\.pm$//;
2414	$k =~ s/\//::/g;
2415
2416	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2417	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2418	}	3684	}
2419		3685
2420	Symbol::delete_package $k;	3686	warn "unloading all perl modules loaded from $LIBDIR";
		3687	while (my ($k, $v) = each %INC) {
		3688	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3689
		3690	warn "... unloading $k";
		3691	delete $INC{$k};
		3692
		3693	$k =~ s/\.pm$//;
		3694	$k =~ s/\//::/g;
		3695
		3696	if (my $cb = $k->can ("unload_module")) {
		3697	$cb->();
		3698	}
		3699
		3700	clear_package $k;
2421	}	3701	}
2422		3702
2423	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2424	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2425	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3705	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2426		3706
2427	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2428	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2429		3710
2430	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2431	# and global variables created in xs	3712	# and global variables created in xs
2432	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2433		3714
2434	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2435		3716
2436	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2437	require cf;	3718	require cf;
2438	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2439		3720
2440	warn "loading config and database again";	3721	warn "loading config and database again";
2441	cf::cfg_load;	3722	cf::reload_config;
2442		3723
2443	warn "loading extensions";	3724	warn "loading extensions";
2444	cf::load_extensions;	3725	cf::load_extensions;
2445		3726
2446	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2447	_global_reattach;	3728	_global_reattach; # objects, sockets
2448	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2449	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
		3731	warn "reattaching attachments to players";
		3732	reattach $_ for values %PLAYER;
2450		3733
2451	warn "loading reloadable resources";	3734	warn "running post_load";
2452	load_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2453		3736
2454	warn "restarting server ticker";	3737	warn "leaving sync_job";
2455		3738
2456	$TICK_WATCHER->start;	3739	1
		3740	} or do {
		3741	warn $@;
		3742	cf::cleanup "error while reloading, exiting.";
		3743	};
		3744
		3745	warn "reloaded";
		3746	--$RELOAD;
		3747	}
		3748	};
		3749
		3750	our $RELOAD_WATCHER; # used only during reload
		3751
		3752	sub reload_perl() {
		3753	# doing reload synchronously and two reloads happen back-to-back,
		3754	# coro crashes during coro_state_free->destroy here.
		3755
		3756	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3757	do_reload_perl;
		3758	undef $RELOAD_WATCHER;
2457	};	3759	};
2458		3760	}
2459	if ($@) {
2460	warn $@;
2461	warn "error while reloading, exiting.";
2462	exit 1;
2463	}
2464
2465	warn "reloaded";
2466	};
2467
2468	our $RELOAD_WATCHER; # used only during reload
2469		3761
2470	register_command "reload" => sub {	3762	register_command "reload" => sub {
2471	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2472		3764
2473	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2474	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2475		3767	async {
2476	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2477	# coro crashes during coro_state_free->destroy here.
2478
2479	$RELOAD_WATCHER ||= Event->timer (
2480	reentrant => 0,
2481	after => 0,
2482	data => WF_AUTOCANCEL,
2483	cb => sub {
2484	reload;	3769	reload_perl;
2485	undef $RELOAD_WATCHER;
2486	},
2487	);	3770	};
2488	}	3771	}
2489	};	3772	};
2490		3773
2491	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2492		3775
2493	my $bug_warning = 0;	3776	my $bug_warning = 0;
2494		3777
2495	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2496	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2497	parked => 1,	3780
2498	prio => 0,	3781	sub wait_for_tick {
2499	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2500	data => WF_AUTOCANCEL,	3783
2501	cb => sub {	3784	my $signal = new Coro::Signal;
		3785	push @WAIT_FOR_TICK, $signal;
		3786	$signal->wait;
		3787	}
		3788
		3789	sub wait_for_tick_begin {
		3790	return if tick_inhibit || $Coro::current == $Coro::main;
		3791
		3792	my $signal = new Coro::Signal;
		3793	push @WAIT_FOR_TICK_BEGIN, $signal;
		3794	$signal->wait;
		3795	}
		3796
		3797	sub tick {
2502	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2503	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3799	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2504	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2505	return;	3801	return;
2506	}	3802	}
2507		3803
2508	$NOW = Event::time;
2509
2510	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2511	$RUNTIME += $TICK;
2512	$NEXT_TICK += $TICK;
2513		3805
2514	$WAIT_FOR_TICK->broadcast;	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2515	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
		3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
		3810	write_runtime_sync
		3811	or warn "ERROR: unable to write runtime file: $!";
		3812	};
		3813	}
2516		3814
2517	Event::sweep;	3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2518	Coro::cede_notself;	3816	$sig->send;
		3817	}
		3818	while (my $sig = shift @WAIT_FOR_TICK) {
		3819	$sig->send;
		3820	}
		3821
		3822	$LOAD = ($NOW - $TICK_START) / $TICK;
		3823	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3824
		3825	if (0) {
		3826	if ($NEXT_TICK) {
		3827	my $jitter = $TICK_START - $NEXT_TICK;
		3828	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3829	warn "jitter $JITTER\n";#d#
2519		3830	}
2520	# my $AFTER = Event::time;
2521	# warn $AFTER - $NOW;#d#
2522
2523	# if we are delayed by four ticks or more, skip them all
2524	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2525
2526	$TICK_WATCHER->at ($NEXT_TICK);
2527	$TICK_WATCHER->start;
2528	},	3831	}
2529	);	3832	}
2530		3833
2531	{	3834	{
2532	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2533	$BDB_POLL_WATCHER = Event->io (	3836
2534	reentrant => 0,
2535	fd => BDB::poll_fileno,
2536	poll => 'r',
2537	prio => 0,
2538	data => WF_AUTOCANCEL,
2539	cb => \&BDB::poll_cb,
2540	);
2541	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2542		3838	BDB::max_poll_reqs $TICK * 0.1;
2543	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2544	my $status;
2545	my $current = $Coro::current;
2546	(
2547	sub {
2548	$status = $!;
2549	$current->ready; undef $current;
2550	},
2551	sub {
2552	Coro::schedule while defined $current;
2553	$! = $status;
2554	},
2555	)
2556	};
2557		3840
2558	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2559	$DB_ENV = BDB::db_env_create;	3842	$DB_ENV = BDB::db_env_create;
		3843	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3844	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3845	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3846	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3847	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2560		3848
2561	cf::sync_job {	3849	cf::sync_job {
2562	eval {	3850	eval {
2563	BDB::db_env_open	3851	BDB::db_env_open
2564	$DB_ENV,	3852	$DB_ENV,
2565	$BDB_ENV_DIR,	3853	$BDBDIR,
2566	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3854	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2567	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2568	0666;	3856	0666;
2569		3857
2570	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2571
2572	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2573	$DB_ENV->set_lk_detect;
2574	};	3859	};
2575		3860
2576	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2577	};	3862	};
2578	}	3863	}
		3864
		3865	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3866	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3867	};
		3868	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3869	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3870	};
		3871	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3872	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3873	};
2579	}	3874	}
2580		3875
2581	{	3876	{
		3877	# configure IO::AIO
		3878
2582	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2583
2584	undef $Coro::AIO::WATCHER;
2585	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2586	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2587	reentrant => 0,
2588	fd => IO::AIO::poll_fileno,
2589	poll => 'r',
2590	prio => 6,
2591	data => WF_AUTOCANCEL,
2592	cb => \&IO::AIO::poll_cb,
2593	);
2594	}	3882	}
2595		3883
2596	$WRITE_RUNTIME_WATCHER = Event->timer (	3884	my $_log_backtrace;
2597	reentrant => 0,	3885
2598	data => WF_AUTOCANCEL,	3886	sub _log_backtrace {
2599	after => 1,	3887	my ($msg, @addr) = @_;
2600	interval => 10,	3888
2601	prio => 6, # keep it lowest so it acts like a watchdog	3889	$msg =~ s/\n//;
2602	cb => Coro::unblock_sub {	3890
2603	write_runtime	3891	# limit the # of concurrent backtraces
2604	or warn "ERROR: unable to write runtime file: $!";	3892	if ($_log_backtrace < 2) {
		3893	++$_log_backtrace;
		3894	my $perl_bt = Carp::longmess $msg;
		3895	async {
		3896	$Coro::current->{desc} = "abt $msg";
		3897
		3898	my @bt = fork_call {
		3899	@addr = map { sprintf "%x", $_ } @addr;
		3900	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3901	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3902	or die "addr2line: $!";
		3903
		3904	my @funcs;
		3905	my @res = <$fh>;
		3906	chomp for @res;
		3907	while (@res) {
		3908	my ($func, $line) = splice @res, 0, 2, ();
		3909	push @funcs, "[$func] $line";
		3910	}
		3911
		3912	@funcs
		3913	};
		3914
		3915	LOG llevInfo, "[ABT] $perl_bt\n";
		3916	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3917	LOG llevInfo, "[ABT] $_\n" for @bt;
		3918	--$_log_backtrace;
		3919	};
		3920	} else {
		3921	LOG llevInfo, "[ABT] $msg\n";
		3922	LOG llevInfo, "[ABT] [suppressed]\n";
2605	},	3923	}
2606	);	3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2607		3928
2608	END { cf::emergency_save }	3929	END { cf::emergency_save }
2609		3930
2610	1	3931	1
2611		3932

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