ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.455 by root, Sat Sep 27 08:17:40 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;
9	use Event;	31	use EV;
10	use Opcode;	32	use Opcode;
11	use Safe;	33	use Safe;
12	use Safe::Hole;	34	use Safe::Hole;
		35	use Storable ();
13		36
14	use Coro 3.52 ();	37	use Coro ();
15	use Coro::State;	38	use Coro::State;
		39	use Coro::Handle;
		40	use Coro::EV;
16	use Coro::Event;	41	use Coro::AnyEvent;
17	use Coro::Timer;	42	use Coro::Timer;
18	use Coro::Signal;	43	use Coro::Signal;
19	use Coro::Semaphore;	44	use Coro::Semaphore;
		45	use Coro::AnyEvent;
20	use Coro::AIO;	46	use Coro::AIO;
		47	use Coro::BDB 1.6;
		48	use Coro::Storable;
		49	use Coro::Util ();
21		50
		51	use JSON::XS 2.01 ();
22	use BDB ();	52	use BDB ();
23	use Data::Dumper;	53	use Data::Dumper;
24	use Digest::MD5;	54	use Digest::MD5;
25	use Fcntl;	55	use Fcntl;
		56	use YAML ();
26	use IO::AIO 2.32 ();	57	use IO::AIO ();
27	use YAML::Syck ();
28	use Time::HiRes;	58	use Time::HiRes;
29	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
30		61
		62	AnyEvent::detect;
		63
		64	# configure various modules to our taste
		65	#
		66	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	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";
32	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
33	$Event::Eval = 1; # no idea why this is required, but it is
34		74
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;
39
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		76
42	our %COMMAND = ();	77	our %COMMAND = ();
43	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
44		79
45	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
49		85
50	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
51	our @EVENT;	87	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		88
54	our $TICK = MAX_TIME * 1e-6;	89	our $CONFDIR = confdir;
55	our $TICK_WATCHER;	90	our $DATADIR = datadir;
56	our $AIO_POLL_WATCHER;	91	our $LIBDIR = "$DATADIR/ext";
		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(!)
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	107	our $NEXT_TICK;
59	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
62	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	113	our $DB_ENV;
64		114
65	our %CFG;	115	our %CFG;
66		116
67	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
69		120
70	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		124
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
82	binmode STDOUT;	135	binmode STDOUT;
83	binmode STDERR;	136	binmode STDERR;
84		137
85	# read virtual server time, if available	138	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
87	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
88	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
89	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
90	}	143	}
91		144
92	mkdir cf::localdir;	145	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		147
99	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
100		149
101	sub cf::map::normalise;	150	sub cf::map::normalise;
102		151
…		…
113	=item $cf::RUNTIME	162	=item $cf::RUNTIME
114		163
115	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
116	every server tick.	165	every server tick.
117		166
118	=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
119		170
120	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		175
123	=item $cf::NOW	176	=item $cf::NOW
124		177
125	The time of the last (current) server tick.	178	The time of the last (current) server tick.
126		179
127	=item $cf::TICK	180	=item $cf::TICK
128		181
129	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
130		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
131	=item %cf::CFG	194	=item %cf::CFG
132		195
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
134	from wherever your confdir points to.	197	from wherever your confdir points to.
135		198
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		200
138	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
139	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
140	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.
141	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.
142		210
143	=back	211	=back
144		212
145	=cut	213	=cut
146		214
147	BEGIN {	215	BEGIN {
148	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	217	my $msg = join "", @_;
150	utf8::encode $msg;
151		218
152	$msg .= "\n"	219	$msg .= "\n"
153	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
154		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
155	LOG llevError, $msg;	224	LOG llevError, $msg;
156	};	225	};
157	}	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#?
158		242
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		250
166	# 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
167	# within the Safe compartment.	252	# within the Safe compartment.
168	for my $pkg (qw(	253	for my $pkg (qw(
169	cf::global cf::attachable	254	cf::global cf::attachable
170	cf::object cf::object::player	255	cf::object cf::object::player
171	cf::client cf::player	256	cf::client cf::player
172	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
173	cf::map cf::party cf::region	259	cf::party cf::region
174	)) {	260	)) {
175	no strict 'refs';
176	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
177	}	262	}
178		263
179	$Event::DIED = sub {	264	$EV::DIED = sub {
180	warn "error in event callback: @_";	265	warn "error in event callback: @_";
181	};	266	};
		267
		268	#############################################################################
182		269
183	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
184		271
185	=over 4	272	=over 4
186		273
…		…
205	$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;
206	$d	293	$d
207	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
208	}	295	}
209		296
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
213		298
214	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
215		300
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
224		302
225	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
226		304
227	=cut	305	=cut
228		306
229	sub to_json($) {	307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	308
231	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;
232	}	324	}
233		325
234	=item cf::lock_wait $string	326	=item cf::lock_wait $string
235		327
236	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
243	returned.	335	returned.
244		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
245	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
246	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
247		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
248	=cut	347	=cut
249		348
250	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
251		351
252	sub lock_wait($) {	352	sub lock_wait($) {
253	my ($key) = @_;	353	my ($key) = @_;
254		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
255	# wait for lock, if any	360	# wait for lock, if any
256	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
257	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	364	Coro::schedule;
259	}	365	}
260	}	366	}
261		367
…		…
264		370
265	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
266	lock_wait $key;	372	lock_wait $key;
267		373
268	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
269		376
270	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
273	}	381	}
274	}	382	}
275		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
276	sub freeze_mainloop {	390	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
278		392
279	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
280	$TICK_WATCHER->start;	394	}
		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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
281	};	454	}
282	$TICK_WATCHER->stop;	455	};
283	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
284	}	469	}
285		470
286	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
287		472
288	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
293		478
294	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
295		480
296	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
297		482
298	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
301		487
302	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
305	fast or be very important.	491	fast or be very important.
…		…
308		494
309	sub sync_job(&) {	495	sub sync_job(&) {
310	my ($job) = @_;	496	my ($job) = @_;
311		497
312	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
313	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
315		503
316	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
317	# (but this is cancel-safe)	505
318	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
319		507
320	my $busy = 1;	508	my $busy = 1;
321	my @res;	509	my @res;
322		510
323	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
324	@res = eval { $job->() };	513	@res = eval { $job->() };
325	warn $@ if $@;	514	warn $@ if $@;
326	undef $busy;	515	undef $busy;
327	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
328		517
329	while ($busy) {	518	while ($busy) {
330	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
331	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
332		529
333	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
334	} else {	531	} else {
335	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
336		533
…		…
356	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
357		554
358	$coro	555	$coro
359	}	556	}
360		557
361	sub write_runtime {	558	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		559
364	my $runtime = cf::localdir . "/runtime";	560	Executes the given code block with the given arguments in a seperate
		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 $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
367	or return;
368		566
369	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		569
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
374	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
375		573
376	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	575	reset_signals;
378	and return;	576	&$cb
		577	}, @args;
379		578
380	close $fh	579	wantarray ? @res : $res[-1]
381	or return;	580	}
382		581
383	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
384	and return;
385		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
386	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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 });
387	}	745	}
388		746
389	=back	747	=back
390		748
391	=cut	749	=cut
392		750
393	#############################################################################	751	#############################################################################
394		752
395	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
396		754
397	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
398	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")
399	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
400		758
401	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>
402	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
403	crossfire+).	761	Deliantra).
404		762
405	=over 4	763	=over 4
406		764
407	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
408		766
…		…
452	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
453		811
454	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
455	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
456		814
457	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
458	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.
459		817
460	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
461		819
462	=over 4	820	=over 4
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
572		930
573	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		935
578	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	937	my $pkg = shift @arg;
580		938
581	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
611	}	969	}
612		970
613	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
614	} else {	972	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	974	}
617		975
618	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
619	}	977	}
620		978
…		…
622	if (ref $_[0]) {	980	if (ref $_[0]) {
623	_object_attach @_;	981	_object_attach @_;
624	} else {	982	} else {
625	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
626	}	984	}
		985	_recalc_want;
627	};	986	};
628		987
629	# all those should be optimised	988	# all those should be optimised
630	sub cf::attachable::detach {	989	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
635	reattach ($obj);	994	reattach ($obj);
636	} else {	995	} else {
637	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
638	}	997	}
		998	_recalc_want;
639	};	999	};
640		1000
641	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
643		1003
…		…
658	";	1018	";
659	die if $@;	1019	die if $@;
660	}	1020	}
661		1021
662	our $override;	1022	our $override;
663	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?
664		1024
665	sub override {	1025	sub override {
666	$override = 1;	1026	$override = 1;
667	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
668	}	1028	}
669		1029
670	sub do_invoke {	1030	sub do_invoke {
671	my $event = shift;	1031	my $event = shift;
672	my $callbacks = shift;	1032	my $callbacks = shift;
673		1033
674	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
675		1035
676	local $override;	1036	local $override;
677		1037
678	for (@$callbacks) {	1038	for (@$callbacks) {
679	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
688	}	1048	}
689		1049
690	0	1050	0
691	}	1051	}
692		1052
693	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
694		1054
695	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
696		1056
697	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
698		1058
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		1062
703	=back	1063	=back
704		1064
705	=cut	1065	=cut
706		1066
707	#############################################################################	1067	#############################################################################
708	# 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, $ob2
		1110	}
709		1111
710	sub reattach {	1112	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	1114	my ($obj) = @_;
713		1115
		1116	# no longer needed after getting rid of delete_package?
714	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
715		1118
716	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
717		1120
718	@$registry = ();	1121	@$registry = ();
719		1122
…		…
734	cf::attachable->attach (	1137	cf::attachable->attach (
735	prio => -1000000,	1138	prio => -1000000,
736	on_instantiate => sub {	1139	on_instantiate => sub {
737	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
738		1141
739	$data = from_json $data;	1142	$data = decode_json $data;
740		1143
741	for (@$data) {	1144	for (@$data) {
742	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
743		1146
744	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
760	sub object_freezer_save {	1163	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
762		1165
763	sync_job {	1166	sync_job {
764	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
767		1171
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
772	close $fh;	1176	aio_close $fh;
773		1177
774	if (@$objs) {	1178	if (@$objs) {
775	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) {
776	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
777	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
778	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
779	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
780	close $fh;	1184	aio_close $fh;
781	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
782	}	1186	}
783	} else {	1187	} else {
784	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
785	}	1189	}
…		…
790	}	1194	}
791	} else {	1195	} else {
792	aio_unlink $filename;	1196	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1197	aio_unlink "$filename.pst";
794	}	1198	}
795	}	1199	};
796	}	1200	}
797		1201
798	sub object_freezer_as_string {	1202	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1203	my ($rdata, $objs) = @_;
800		1204
…		…
812	or return;	1216	or return;
813		1217
814	unless (aio_stat "$filename.pst") {	1218	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1219	(aio_load "$filename.pst", $av) >= 0
816	or return;	1220	or return;
		1221
817	$av = eval { (Storable::thaw $av)->{objs} };	1222	my $st = eval { Coro::Storable::thaw $av };
		1223	$av = $st->{objs};
818	}	1224	}
819		1225
		1226	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1227	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1228	$decname, length $data, scalar @{$av || []};
		1229
822	return ($data, $av);	1230	($data, $av)
823	}	1231	}
		1232
		1233	=head2 COMMAND CALLBACKS
		1234
		1235	=over 4
		1236
		1237	=cut
824		1238
825	#############################################################################	1239	#############################################################################
826	# command handling &c	1240	# command handling &c
827		1241
828	=item cf::register_command $name => \&callback($ob,$args);	1242	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1255	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1256	}
843		1257
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1258	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1259
846	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.
847		1265
848	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
849	called.	1267	called.
850		1268
		1269	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1270
		1271	Register a callback for execution when the client sends an (asynchronous)
		1272	exticmd packet. Exti commands are processed by the server as soon as they
		1273	are received, i.e. out of order w.r.t. other commands. The first argument
		1274	is a client socket. Exti commands can be received anytime, even before
		1275	log-in.
		1276
		1277	If the callback returns something, it is sent back as if reply was being
		1278	called.
		1279
851	=cut	1280	=cut
852		1281
853	sub register_extcmd {	1282	sub register_extcmd {
854	my ($name, $cb) = @_;	1283	my ($name, $cb) = @_;
855		1284
856	$EXTCMD{$name} = $cb;	1285	$EXTCMD{$name} = $cb;
		1286	}
		1287
		1288	sub register_exticmd {
		1289	my ($name, $cb) = @_;
		1290
		1291	$EXTICMD{$name} = $cb;
857	}	1292	}
858		1293
859	cf::player->attach (	1294	cf::player->attach (
860	on_command => sub {	1295	on_command => sub {
861	my ($pl, $name, $params) = @_;	1296	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1305	cf::override;
871	},	1306	},
872	on_extcmd => sub {	1307	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1308	my ($pl, $buf) = @_;
874		1309
875	my $msg = eval { from_json $buf };	1310	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1311
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1320	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1321	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1322	}
		1323
		1324	$pl->ext_reply ($reply, @reply)
		1325	if $reply;
		1326
883	} else {	1327	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1328	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1329	}
886		1330
887	cf::override;	1331	cf::override;
888	},	1332	},
889	);	1333	);
890		1334
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1335	sub load_extensions {
		1336	cf::sync_job {
		1337	my %todo;
		1338
926	for my $ext (<$LIBDIR/*.ext>) {	1339	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1340	next unless -r $path;
928	eval {	1341
929	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	$progress = 1;
930	1	1398	}
931	} or warn "$ext not loaded: $@";	1399
		1400	skip:
		1401	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1402	unless $progress;
		1403	}
932	}	1404	};
933	}	1405	}
934		1406
935	#############################################################################	1407	#############################################################################
936		1408
		1409	=back
		1410
937	=head2 CORE EXTENSIONS	1411	=head2 CORE EXTENSIONS
938		1412
939	Functions and methods that extend core crossfire objects.	1413	Functions and methods that extend core deliantra objects.
940		1414
941	=cut	1415	=cut
942		1416
943	package cf::player;	1417	package cf::player;
944		1418
…		…
946		1420
947	=head3 cf::player	1421	=head3 cf::player
948		1422
949	=over 4	1423	=over 4
950		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
951	=item cf::player::find $login	1439	=item cf::player::find $login
952		1440
953	Returns the given player object, loading it if necessary (might block).	1441	Returns the given player object, loading it if necessary (might block).
954		1442
955	=cut	1443	=cut
956		1444
957	sub playerdir($) {	1445	sub playerdir($) {
958	cf::localdir	1446	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1447	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1448	}
964		1449
965	sub path($) {	1450	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1451	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1452
968	(playerdir $login) . "/$login.pl"	1453	(playerdir $login) . "/playerdata"
969	}	1454	}
970		1455
971	sub find_active($) {	1456	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1457	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1458	and $cf::PLAYER{$_[0]}->active
…		…
976		1461
977	sub exists($) {	1462	sub exists($) {
978	my ($login) = @_;	1463	my ($login) = @_;
979		1464
980	$cf::PLAYER{$login}	1465	$cf::PLAYER{$login}
981	or cf::sync_job { !aio_stat path $login }	1466	or !aio_stat path $login
982	}	1467	}
983		1468
984	sub find($) {	1469	sub find($) {
985	return $cf::PLAYER{$_[0]} || do {	1470	return $cf::PLAYER{$_[0]} || do {
986	my $login = $_[0];	1471	my $login = $_[0];
987		1472
988	my $guard = cf::lock_acquire "user_find:$login";	1473	my $guard = cf::lock_acquire "user_find:$login";
989		1474
990	$cf::PLAYER{$_[0]} || do {	1475	$cf::PLAYER{$_[0]} || do {
991	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
992	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;
993	$cf::PLAYER{$login} = $pl	1491	$cf::PLAYER{$login} = $pl
994	}	1492	}
995	}	1493	}
996	}	1494	}
997		1495
…		…
1006	return if $pl->{deny_save};	1504	return if $pl->{deny_save};
1007		1505
1008	aio_mkdir playerdir $pl, 0770;	1506	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1507	$pl->{last_save} = $cf::RUNTIME;
1010		1508
		1509	cf::get_slot 0.01;
		1510
1011	$pl->save_pl ($path);	1511	$pl->save_pl ($path);
1012	Coro::cede;	1512	cf::cede_to_tick;
1013	}	1513	}
1014		1514
1015	sub new($) {	1515	sub new($) {
1016	my ($login) = @_;	1516	my ($login) = @_;
1017		1517
…		…
1023	$cf::PLAYER{$login} = $self;	1523	$cf::PLAYER{$login} = $self;
1024		1524
1025	$self	1525	$self
1026	}	1526	}
1027		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
1028	=item $pl->quit_character	1538	=item $pl->quit_character
1029		1539
1030	Nukes the player without looking back. If logged in, the connection will	1540	Nukes the player without looking back. If logged in, the connection will
1031	be destroyed. May block for a long time.	1541	be destroyed. May block for a long time.
1032		1542
…		…
1036	my ($pl) = @_;	1546	my ($pl) = @_;
1037		1547
1038	my $name = $pl->ob->name;	1548	my $name = $pl->ob->name;
1039		1549
1040	$pl->{deny_save} = 1;	1550	$pl->{deny_save} = 1;
1041	$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
1042		1552
1043	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1553	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1044	$pl->deactivate;	1554	$pl->deactivate;
		1555	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1556	$pl->ob->check_score;
1045	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1557	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1046	$pl->ns->destroy if $pl->ns;	1558	$pl->ns->destroy if $pl->ns;
1047		1559
1048	my $path = playerdir $pl;	1560	my $path = playerdir $pl;
1049	my $temp = "$path~$cf::RUNTIME~deleting~";	1561	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1079	while and may block, so not sync_job-capable, ever.	1591	while and may block, so not sync_job-capable, ever.
1080		1592
1081	=cut	1593	=cut
1082		1594
1083	sub list_logins {	1595	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1596	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1597	or return [];
1086		1598
1087	my @logins;	1599	my @logins;
1088		1600
1089	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") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1607	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1608	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1609	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1610	}
1093		1611
1094	utf8::decode $login;	1612	utf8::decode $login;
1095	push @logins, $login;	1613	push @logins, $login;
1096	}	1614	}
1097		1615
…		…
1124	}	1642	}
1125		1643
1126	\@paths	1644	\@paths
1127	}	1645	}
1128		1646
		1647	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1648
		1649	Expand deliantra pod fragments into protocol xml.
		1650
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1651	=item $player->ext_reply ($msgid, @msg)
1130		1652
1131	Sends an ext reply to the player.	1653	Sends an ext reply to the player.
1132		1654
1133	=cut	1655	=cut
1134		1656
1135	sub ext_reply($$$%) {	1657	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1658	my ($self, $id, @msg) = @_;
1137		1659
1138	$msg{msgid} = $id;	1660	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1661	}
1142		1662
1143	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	}
1144		1703
1145	=back	1704	=back
1146
1147		1705
1148	=head3 cf::map	1706	=head3 cf::map
1149		1707
1150	=over 4	1708	=over 4
1151		1709
…		…
1163	our $MAX_RESET = 3600;	1721	our $MAX_RESET = 3600;
1164	our $DEFAULT_RESET = 3000;	1722	our $DEFAULT_RESET = 3000;
1165		1723
1166	sub generate_random_map {	1724	sub generate_random_map {
1167	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
1168	# mit "rum" bekleckern, nicht	1729	# mit "rum" bekleckern, nicht
1169	$self->_create_random_map (	1730	$self->_create_random_map (
1170	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1731	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1171	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1732	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1172	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1733	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1206	my ($self, $merge) = @_;	1767	my ($self, $merge) = @_;
1207		1768
1208	# we have to keep some variables in memory intact	1769	# we have to keep some variables in memory intact
1209	local $self->{path};	1770	local $self->{path};
1210	local $self->{load_path};	1771	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1772
1214	$self->SUPER::thawer_merge ($merge);	1773	$self->SUPER::thawer_merge ($merge);
1215	}	1774	}
1216		1775
1217	sub normalise {	1776	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1823	$self->init; # pass $1 etc.
1265	return $self;	1824	return $self;
1266	}	1825	}
1267	}	1826	}
1268		1827
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1828	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1829	()
1271	}	1830	}
1272		1831
1273	sub init {	1832	sub init {
1274	my ($self) = @_;	1833	my ($self) = @_;
…		…
1289		1848
1290	# the original (read-only) location	1849	# the original (read-only) location
1291	sub load_path {	1850	sub load_path {
1292	my ($self) = @_;	1851	my ($self) = @_;
1293		1852
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1853	"$MAPDIR/$self->{path}.map"
1295	}	1854	}
1296		1855
1297	# the temporary/swap location	1856	# the temporary/swap location
1298	sub save_path {	1857	sub save_path {
1299	my ($self) = @_;	1858	my ($self) = @_;
1300		1859
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1860	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1861	"$TMPDIR/$path.map"
1303	}	1862	}
1304		1863
1305	# the unique path, undef == no special unique path	1864	# the unique path, undef == no special unique path
1306	sub uniq_path {	1865	sub uniq_path {
1307	my ($self) = @_;	1866	my ($self) = @_;
1308		1867
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1868	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1869	"$UNIQUEDIR/$path"
1311	}	1870	}
1312		1871
1313	# and all this just because we cannot iterate over	1872	# and all this just because we cannot iterate over
1314	# all maps in C++...	1873	# all maps in C++...
1315	sub change_all_map_light {	1874	sub change_all_map_light {
…		…
1317		1876
1318	$_->change_map_light ($change)	1877	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1878	for grep $_->outdoor, values %cf::MAP;
1320	}	1879	}
1321		1880
		1881	sub decay_objects {
		1882	my ($self) = @_;
		1883
		1884	return if $self->{deny_reset};
		1885
		1886	$self->do_decay_objects;
		1887	}
		1888
1322	sub unlink_save {	1889	sub unlink_save {
1323	my ($self) = @_;	1890	my ($self) = @_;
1324		1891
1325	utf8::encode (my $save = $self->save_path);	1892	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1896
1330	sub load_header_from($) {	1897	sub load_header_from($) {
1331	my ($self, $path) = @_;	1898	my ($self, $path) = @_;
1332		1899
1333	utf8::encode $path;	1900	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1901	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	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;
1339		1909
1340	$self->{load_path} = $path;	1910	$self->{load_path} = $path;
1341		1911
1342	1	1912	1
1343	}	1913	}
…		…
1382	$self->load_header_orig	1952	$self->load_header_orig
1383	or return;	1953	or return;
1384	$self->prepare_orig;	1954	$self->prepare_orig;
1385	}	1955	}
1386		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
1387	1	1963	1
1388	}	1964	}
1389		1965
1390	sub find;	1966	sub find;
1391	sub find {	1967	sub find {
1392	my ($path, $origin) = @_;	1968	my ($path, $origin) = @_;
1393		1969
1394	$path = normalise $path, $origin && $origin->path;	1970	$path = normalise $path, $origin && $origin->path;
1395		1971
		1972	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1973	cf::lock_wait "map_find:$path";
1397		1974
1398	$cf::MAP{$path} || do {	1975	$cf::MAP{$path} || do {
		1976	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1399	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard2 = cf::lock_acquire "map_find:$path";
		1978
1400	my $map = new_from_path cf::map $path	1979	my $map = new_from_path cf::map $path
1401	or return;	1980	or return;
1402		1981
1403	$map->{last_save} = $cf::RUNTIME;	1982	$map->{last_save} = $cf::RUNTIME;
1404		1983
1405	$map->load_header	1984	$map->load_header
1406	or return;	1985	or return;
1407		1986
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1987	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1988	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1989	#$cf::WAIT_FOR_TICK->wait;
		1990	undef $guard2;
		1991	undef $guard1;
1411	$map->reset;	1992	$map->reset;
1412	undef $guard;
1413	return find $path;	1993	return find $path;
1414	}	1994	}
1415		1995
1416	$cf::MAP{$path} = $map	1996	$cf::MAP{$path} = $map
1417	}	1997	}
…		…
1424	my ($self) = @_;	2004	my ($self) = @_;
1425		2005
1426	local $self->{deny_reset} = 1; # loading can take a long time	2006	local $self->{deny_reset} = 1; # loading can take a long time
1427		2007
1428	my $path = $self->{path};	2008	my $path = $self->{path};
		2009
		2010	{
1429	my $guard = cf::lock_acquire "map_load:$path";	2011	my $guard = cf::lock_acquire "map_data:$path";
1430		2012
		2013	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	2014	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		2015
1433	$self->in_memory (cf::MAP_LOADING);	2016	$self->in_memory (cf::MAP_LOADING);
1434		2017
1435	$self->alloc;	2018	$self->alloc;
1436		2019
1437	$self->pre_load;	2020	$self->pre_load;
		2021	cf::cede_to_tick;
1438		2022
1439	$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)
1440	or return;	2026	or return;
1441		2027
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2028	$self->post_load_original
1443	if delete $self->{load_original};	2029	if delete $self->{load_original};
1444		2030
1445	if (my $uniq = $self->uniq_path) {	2031	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	2032	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	2033	unless (aio_stat $uniq) {
		2034	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	2035	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	2036	$self->_load_objects ($f);
		2037	$f->resolve_delayed_derefs;
		2038	}
1450	}	2039	}
1451	}	2040	}
1452		2041
1453	Coro::cede;	2042	$f->resolve_delayed_derefs;
1454		2043
		2044	cf::cede_to_tick;
1455	# now do the right thing for maps	2045	# now do the right thing for maps
1456	$self->link_multipart_objects;	2046	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	2047	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	2048	unless $self->difficulty;
1466	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;
1467	$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);
1468	}	2065	}
1469		2066
1470	$self->post_load;	2067	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	2068	}
1474		2069
1475	sub customise_for {	2070	sub customise_for {
1476	my ($self, $ob) = @_;	2071	my ($self, $ob) = @_;
1477		2072
1478	return find "~" . $ob->name . "/" . $self->{path}	2073	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	2074	if $self->per_player;
1480		2075
		2076	# return find "?party/" . $ob->name . "/" . $self->{path}
		2077	# if $self->per_party;
		2078
1481	$self	2079	$self
1482	}	2080	}
1483		2081
1484	# 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
1485	sub load_diag {	2083	sub load_neighbours {
1486	my ($map) = @_;	2084	my ($map) = @_;
1487		2085
1488	my @diag; # diagonal neighbours	2086	my @neigh; # diagonal neighbours
1489		2087
1490	for (0 .. 3) {	2088	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	2089	my $neigh = $map->tile_path ($_)
1492	or next;	2090	or next;
1493	$neigh = find $neigh, $map	2091	$neigh = find $neigh, $map
1494	or next;	2092	or next;
1495	$neigh->load;	2093	$neigh->load;
1496		2094
		2095	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2096	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2097	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2098	}
1500		2099
1501	for (@diag) {	2100	for (grep defined $_->[0], @neigh) {
		2101	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2102	my $neigh = find $path, $origin
1503	or next;	2103	or next;
1504	$neigh->load;	2104	$neigh->load;
1505	}	2105	}
1506	}	2106	}
1507		2107
…		…
1512	}	2112	}
1513		2113
1514	sub do_load_sync {	2114	sub do_load_sync {
1515	my ($map) = @_;	2115	my ($map) = @_;
1516		2116
		2117	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2118	if $Coro::current == $Coro::main;
		2119
1517	cf::sync_job { $map->load };	2120	cf::sync_job { $map->load };
1518	}	2121	}
1519		2122
1520	our %MAP_PREFETCH;	2123	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2124	our $MAP_PREFETCHER = undef;
1522		2125
1523	sub find_async {	2126	sub find_async {
1524	my ($path, $origin) = @_;	2127	my ($path, $origin, $load) = @_;
1525		2128
1526	$path = normalise $path, $origin && $origin->{path};	2129	$path = normalise $path, $origin && $origin->{path};
1527		2130
1528	if (my $map = $cf::MAP{$path}) {	2131	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2132	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1530	}	2133	}
1531		2134
1532	undef $MAP_PREFETCH{$path};	2135	$MAP_PREFETCH{$path} |= $load;
		2136
1533	$MAP_PREFETCHER ||= cf::async {	2137	$MAP_PREFETCHER ||= cf::async {
		2138	$Coro::current->{desc} = "map prefetcher";
		2139
1534	while (%MAP_PREFETCH) {	2140	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2141	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2142	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2143	$map->load if $v;
		2144	}
1539		2145
1540	delete $MAP_PREFETCH{$path};	2146	delete $MAP_PREFETCH{$k};
1541	}	2147	}
1542	}	2148	}
1543	undef $MAP_PREFETCHER;	2149	undef $MAP_PREFETCHER;
1544	};	2150	};
1545	$MAP_PREFETCHER->prio (6);	2151	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2154	}
1549		2155
1550	sub save {	2156	sub save {
1551	my ($self) = @_;	2157	my ($self) = @_;
1552		2158
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2160
1555	$self->{last_save} = $cf::RUNTIME;	2161	$self->{last_save} = $cf::RUNTIME;
1556		2162
1557	return unless $self->dirty;	2163	return unless $self->dirty;
1558		2164
…		…
1564	return if $self->{deny_save};	2170	return if $self->{deny_save};
1565		2171
1566	local $self->{last_access} = $self->last_access;#d#	2172	local $self->{last_access} = $self->last_access;#d#
1567		2173
1568	cf::async {	2174	cf::async {
		2175	$Coro::current->{desc} = "map player save";
1569	$_->contr->save for $self->players;	2176	$_->contr->save for $self->players;
1570	};	2177	};
		2178
		2179	cf::get_slot 0.02;
1571		2180
1572	if ($uniq) {	2181	if ($uniq) {
1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1574	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2183	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1575	} else {	2184	} else {
…		…
1581	my ($self) = @_;	2190	my ($self) = @_;
1582		2191
1583	# save first because save cedes	2192	# save first because save cedes
1584	$self->save;	2193	$self->save;
1585		2194
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2195	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2196
1588	return if $self->players;	2197	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2198	return if $self->in_memory != cf::MAP_ACTIVE;
1590	return if $self->{deny_save};	2199	return if $self->{deny_save};
1591		2200
		2201	$self->in_memory (cf::MAP_SWAPPED);
		2202
		2203	$self->deactivate;
		2204	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2205	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2206	}
1595		2207
1596	sub reset_at {	2208	sub reset_at {
1597	my ($self) = @_;	2209	my ($self) = @_;
1598		2210
1599	# TODO: safety, remove and allow resettable per-player maps	2211	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2212	return 1e99 if $self->{deny_reset};
1602		2213
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2214	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	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;
1605		2216
…		…
1616	my ($self) = @_;	2227	my ($self) = @_;
1617		2228
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2229	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2230
1620	return if $self->players;	2231	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2232
1623	warn "resetting map ", $self->path;#d#	2233	warn "resetting map ", $self->path;
1624		2234
1625	$self->in_memory (cf::MAP_SWAPPED);	2235	$self->in_memory (cf::MAP_SWAPPED);
1626		2236
1627	# need to save uniques path	2237	# need to save uniques path
1628	unless ($self->{deny_save}) {	2238	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2242	if $uniq;
1633	}	2243	}
1634		2244
1635	delete $cf::MAP{$self->path};	2245	delete $cf::MAP{$self->path};
1636		2246
		2247	$self->deactivate;
		2248	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2249	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2250
1641	$self->unlink_save;	2251	$self->unlink_save;
1642	$self->destroy;	2252	$self->destroy;
1643	}	2253	}
1644		2254
1645	my $nuke_counter = "aaaa";	2255	my $nuke_counter = "aaaa";
1646		2256
1647	sub nuke {	2257	sub nuke {
1648	my ($self) = @_;	2258	my ($self) = @_;
1649		2259
		2260	{
		2261	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2262
1650	delete $cf::MAP{$self->path};	2263	delete $cf::MAP{$self->path};
1651		2264
1652	$self->unlink_save;	2265	$self->unlink_save;
1653		2266
1654	bless $self, "cf::map";	2267	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2268	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2269	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2270	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2271	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2272
1660	$cf::MAP{$self->path} = $self;	2273	$cf::MAP{$self->path} = $self;
		2274	}
1661		2275
1662	$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	]
1663	}	2313	}
1664		2314
1665	=item cf::map::unique_maps	2315	=item cf::map::unique_maps
1666		2316
1667	Returns an arrayref of paths of all shared maps that have	2317	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2318	instantiated unique items. May block.
1669		2319
1670	=cut	2320	=cut
1671		2321
1672	sub unique_maps() {	2322	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2323	[
1674	or return;	2324	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2325	utf8::decode $_;
1680	next if /\.pst$/;	2326	s/\.map$//; # TODO future compatibility hack
1681	next unless /^$PATH_SEP/o;	2327	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1682		2328	? ()
1683	push @paths, cf::map::normalise $_;	2329	: normalise $_
		2330	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2331	]
1685
1686	\@paths
1687	}	2332	}
1688
1689	package cf;
1690		2333
1691	=back	2334	=back
1692		2335
1693	=head3 cf::object	2336	=head3 cf::object
1694		2337
…		…
1698		2341
1699	=over 4	2342	=over 4
1700		2343
1701	=item $ob->inv_recursive	2344	=item $ob->inv_recursive
1702		2345
1703	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.
1704		2348
1705	=cut	2349	=cut
1706		2350
1707	sub inv_recursive_;	2351	sub inv_recursive_;
1708	sub inv_recursive_ {	2352	sub inv_recursive_ {
…		…
1711		2355
1712	sub inv_recursive {	2356	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2357	inv_recursive_ inv $_[0]
1714	}	2358	}
1715		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
1716	package cf;	2388	package cf;
1717		2389
1718	=back	2390	=back
1719		2391
1720	=head3 cf::object::player	2392	=head3 cf::object::player
…		…
1726	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>
1727	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
1728	dialogue with the given NPC character.	2400	dialogue with the given NPC character.
1729		2401
1730	=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	};
1731		2417
1732	# rough implementation of a future "reply" method that works	2418	# rough implementation of a future "reply" method that works
1733	# with dialog boxes.	2419	# with dialog boxes.
1734	#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
1735	sub cf::object::player::reply($$$;$) {	2421	sub cf::object::player::reply($$$;$) {
…		…
1737		2423
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2424	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2425
1740	if ($self->{record_replies}) {	2426	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2427	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2428
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2437	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2438	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2439	}
1745	}	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 (@_);
1746	}	2451	}
1747		2452
1748	=item $player_object->may ("access")	2453	=item $player_object->may ("access")
1749		2454
1750	Returns wether the given player is authorized to access resource "access"	2455	Returns wether the given player is authorized to access resource "access"
…		…
1763		2468
1764	=item $player_object->enter_link	2469	=item $player_object->enter_link
1765		2470
1766	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}>).
1767		2472
1768	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.
1769	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.
1770		2477
1771	Will never block.	2478	Will never block.
1772		2479
1773	=item $player_object->leave_link ($map, $x, $y)	2480	=item $player_object->leave_link ($map, $x, $y)
1774		2481
…		…
1797	$self->deactivate_recursive;	2504	$self->deactivate_recursive;
1798		2505
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2506	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2507
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2508	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2509	if $self->map && $self->map->{path} ne "{link}";
1803		2510
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2511	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2512	}
1806		2513
1807	sub cf::object::player::leave_link {	2514	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2515	my ($self, $map, $x, $y) = @_;
		2516
		2517	return unless $self->contr->active;
1809		2518
1810	my $link_pos = delete $self->{_link_pos};	2519	my $link_pos = delete $self->{_link_pos};
1811		2520
1812	unless ($map) {	2521	unless ($map) {
1813	# restore original map position	2522	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2536	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2537	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2538	if $x <=0 && $y <= 0;
1830		2539
1831	$map->load;	2540	$map->load;
1832	$map->load_diag;	2541	$map->load_neighbours;
1833		2542
1834	return unless $self->contr->active;	2543	return unless $self->contr->active;
		2544	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1835	$self->activate_recursive;	2545	$self->activate_recursive;
1836		2546
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2547	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2548	$self->enter_map ($map, $x, $y);
1839	}	2549	}
1840		2550
1841	cf::player->attach (	2551	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2552
1845	# abort map switching before logout	2553	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2554	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2555	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2556	the new (success) or old (failed) map position. In either case, $done will
1849	};	2557	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2558
1855	# try to abort aborted map switching on player login :)	2559	Note that $check will be called with a potentially non-loaded map, so if
1856	# should happen only on crashes	2560	it needs a loaded map it has to call C<< ->load >>.
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872		2561
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2562	=cut
		2563
		2564	our $GOTOGEN;
1876		2565
1877	sub cf::object::player::goto {	2566	sub cf::object::player::goto {
1878	my ($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;
1879		2571
1880	$self->enter_link;	2572	$self->enter_link;
1881		2573
1882	(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
1883	my $map = eval {	2596	my $map = eval {
1884	my $map = cf::map::find $path;	2597	my $map = defined $path ? cf::map::find $path : undef;
		2598
		2599	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2612	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2613
		2614	if ($gen == $self->{_goto_generation}) {
		2615	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2616	$self->leave_link ($map, $x, $y);
		2617	}
		2618
		2619	$done->() if $done;
1891	})->prio (1);	2620	})->prio (1);
1892	}	2621	}
1893		2622
1894	=item $player_object->enter_exit ($exit_object)	2623	=item $player_object->enter_exit ($exit_object)
1895		2624
…		…
1915	}	2644	}
1916		2645
1917	sub prepare_random_map {	2646	sub prepare_random_map {
1918	my ($exit) = @_;	2647	my ($exit) = @_;
1919		2648
1920	my $guard = cf::lock_acquire "exit_prepare:$exit";
1921
1922	# all this does is basically replace the /! path by	2649	# all this does is basically replace the /! path by
1923	# a new random map path (?random/...) with a seed	2650	# a new random map path (?random/...) with a seed
1924	# that depends on the exit object	2651	# that depends on the exit object
1925		2652
1926	my $rmp = parse_random_map_params $exit->msg;	2653	my $rmp = parse_random_map_params $exit->msg;
…		…
1928	if ($exit->map) {	2655	if ($exit->map) {
1929	$rmp->{region} = $exit->region->name;	2656	$rmp->{region} = $exit->region->name;
1930	$rmp->{origin_map} = $exit->map->path;	2657	$rmp->{origin_map} = $exit->map->path;
1931	$rmp->{origin_x} = $exit->x;	2658	$rmp->{origin_x} = $exit->x;
1932	$rmp->{origin_y} = $exit->y;	2659	$rmp->{origin_y} = $exit->y;
		2660
		2661	$exit->map->touch;
1933	}	2662	}
1934		2663
1935	$rmp->{random_seed} ||= $exit->random_seed;	2664	$rmp->{random_seed} ||= $exit->random_seed;
1936		2665
1937	my $data = cf::to_json $rmp;	2666	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1938	my $md5 = Digest::MD5::md5_hex $data;	2667	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2668	my $meta = "$RANDOMDIR/$md5.meta";
1940		2669
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2670	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2671	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2672	undef $fh;
1944	aio_rename "$meta~", $meta;	2673	aio_rename "$meta~", $meta;
1945		2674
		2675	my $slaying = "?random/$md5";
		2676
		2677	if ($exit->valid) {
1946	$exit->slaying ("?random/$md5");	2678	$exit->slaying ("?random/$md5");
1947	$exit->msg (undef);	2679	$exit->msg (undef);
		2680	}
1948	}	2681	}
1949	}	2682	}
1950		2683
1951	sub cf::object::player::enter_exit {	2684	sub cf::object::player::enter_exit {
1952	my ($self, $exit) = @_;	2685	my ($self, $exit) = @_;
1953		2686
1954	return unless $self->type == cf::PLAYER;	2687	return unless $self->type == cf::PLAYER;
1955		2688
1956	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job
1958	cf::sync_job { prepare_random_map $exit };
1959	}
1960
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;
1964
1965	$self->enter_link;	2689	$self->enter_link;
1966		2690
1967	(async {	2691	(async {
1968	$self->deactivate_recursive; # just to be sure	2692	$Coro::current->{desc} = "enter_exit";
		2693
1969	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
1970	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($map, $x, $y);
1971		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
1972	1;	2715	1
1973	}) {	2716	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2717	$self->message ("Something went wrong deep within the deliantra server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2719	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2720	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2721
1979	warn "ERROR in enter_exit: $@";	2722	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2723	$self->leave_link;
1981	}	2724	}
1982	})->prio (1);	2725	})->prio (1);
…		…
1998		2741
1999	utf8::encode $text;	2742	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2743	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2744	}
2002		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	}
2003		2931
2004	=item $success = $client->query ($flags, "text", \&cb)	2932	=item $success = $client->query ($flags, "text", \&cb)
2005		2933
2006	Queues a query to the client, calling the given callback with	2934	Queues a query to the client, calling the given callback with
2007	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>,
2008	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>.
2009		2937
2010	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
2011	reliable at some point in the future.	2939	become reliable at some point in the future.
2012		2940
2013	=cut	2941	=cut
2014		2942
2015	sub cf::client::query {	2943	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2944	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2952	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2953	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2954
2027	$self->send_packet ($self->{query_queue}[0][0])	2955	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2956	if @{ $self->{query_queue} } == 1;
		2957
		2958	1
2029	}	2959	}
2030		2960
2031	cf::client->attach (	2961	cf::client->attach (
		2962	on_connect => sub {
		2963	my ($ns) = @_;
		2964
		2965	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2966	},
2032	on_reply => sub {	2967	on_reply => sub {
2033	my ($ns, $msg) = @_;	2968	my ($ns, $msg) = @_;
2034		2969
2035	# this weird shuffling is so that direct followup queries	2970	# this weird shuffling is so that direct followup queries
2036	# get handled first	2971	# get handled first
…		…
2048	} else {	2983	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2984	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2985	}
2051	}	2986	}
2052	},	2987	},
		2988	on_exticmd => sub {
		2989	my ($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	},
2053	);	3014	);
2054		3015
2055	=item $client->async (\&cb)	3016	=item $client->async (\&cb)
2056		3017
2057	Create a new coroutine, running the specified callback. The coroutine will	3018	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	3059	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	3060	our $safe_hole = new Safe::Hole;
2100		3061
2101	$SIG{FPE} = 'IGNORE';	3062	$SIG{FPE} = 'IGNORE';
2102		3063
2103	$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	));
2104		3069
2105	# here we export the classes and methods available to script code	3070	# here we export the classes and methods available to script code
2106		3071
2107	=pod	3072	=pod
2108		3073
2109	The following fucntions and emthods are available within a safe environment:	3074	The following functions and methods are available within a safe environment:
2110		3075
2111	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
2112	cf::object::player player	3080	cf::object::player
2113	cf::player peaceful	3081	player
2114	cf::map trigger	3082
		3083	cf::player
		3084	peaceful
		3085
		3086	cf::map
		3087	trigger
2115		3088
2116	=cut	3089	=cut
2117		3090
2118	for (	3091	for (
2119	["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)],
2120	["cf::object::player" => qw(player)],	3095	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	3096	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	3097	["cf::map" => qw(trigger)],
2123	) {	3098	) {
2124	no strict 'refs';	3099	no strict 'refs';
…		…
2195	=back	3170	=back
2196		3171
2197	=cut	3172	=cut
2198		3173
2199	#############################################################################	3174	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	3175	# the server's init and main functions
2273		3176
2274	sub load_faces {	3177	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	3178	my ($path) = @_;
2276		3179
		3180	# HACK to clear player env face cache, we need some signal framework
		3181	# for this (global event?)
		3182	%ext::player_env::MUSIC_FACE_CACHE = ();
		3183
		3184	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3185
2277	warn "loading faces from $path\n";	3186	warn "loading facedata from $path\n";
2278		3187
2279	my $faces;	3188	my $facedata;
2280	0 < aio_load $path, $faces	3189	0 < aio_load $path, $facedata
2281	or die "$path: $!";	3190	or die "$path: $!";
2282		3191
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3192	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3193
		3194	$facedata->{version} == 2
		3195	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3196
		3197	# patch in the exptable
		3198	$facedata->{resource}{"res/exp_table"} = {
		3199	type => FT_RSRC,
		3200	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3201	};
		3202	cf::cede_to_tick;
		3203
		3204	{
		3205	my $faces = $facedata->{faceinfo};
		3206
2287	while (my ($face, $info) = each %$faces) {	3207	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3208	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3209
		3210	cf::face::set_visibility $idx, $info->{visibility};
		3211	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3212	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3213	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		3214
		3215	cf::cede_to_tick;
		3216	}
		3217
2294	while (my ($face, $info) = each %$faces) {	3218	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	3219	next unless $info->{smooth};
		3220
2296	my $idx = cf::face::find $face	3221	my $idx = cf::face::find $face
2297	or next;	3222	or next;
		3223
2298	if (my $smooth = cf::face::find $info->{smooth}) {	3224	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	3225	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	3226	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	3227	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	3228	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	3229	}
2304	Coro::cede;	3230
		3231	cf::cede_to_tick;
		3232	}
		3233	}
		3234
2305	}	3235	{
		3236	my $anims = $facedata->{animinfo};
		3237
		3238	while (my ($anim, $info) = each %$anims) {
		3239	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3240	cf::cede_to_tick;
		3241	}
		3242
		3243	cf::anim::invalidate_all; # d'oh
		3244	}
		3245
		3246	{
		3247	# TODO: for gcfclient pleasure, we should give resources
		3248	# that gcfclient doesn't grok a >10000 face index.
		3249	my $res = $facedata->{resource};
		3250
		3251	while (my ($name, $info) = each %$res) {
		3252	if (defined $info->{type}) {
		3253	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3254	my $data;
		3255
		3256	if ($info->{type} & 1) {
		3257	# prepend meta info
		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);
2306		3280
2307	1	3281	1
2308	}	3282	}
2309		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, $v);
		3309	}
		3310	};
		3311
		3312	sub load_resource_file($) {
		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"
		3328	or die "unable to load regions file\n";
		3329
		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
2310	sub reload_resources {	3351	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3352	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3353
2313	load_faces	3354	reload_facedata;
2314	or die "unable to load faces\n";#d#	3355	reload_archetypes;
2315	}
2316
2317	sub init {
2318	reload_resources;	3356	reload_regions;
2319	}	3357	reload_treasures;
2320		3358
2321	sub cfg_load {	3359	warn "finished reloading resource files\n";
		3360	}
		3361
		3362	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3363	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3364	or return;
2324		3365
2325	local $/;	3366	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3367	*CFG = YAML::Load <$fh>;
2327		3368
2328	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3369	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2329		3370
2330	$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};
2331	$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};
…		…
2337	};	3378	};
2338	warn $@ if $@;	3379	warn $@ if $@;
2339	}	3380	}
2340	}	3381	}
2341		3382
		3383	sub pidfile() {
		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 $$;
		3400	}
		3401
2342	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
2343	# we must not ever block the main coroutine	3418	# we must not ever block the main coroutine
2344	local $Coro::idle = sub {	3419	local $Coro::idle = sub {
2345	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#
2346	(async {	3421	(async {
2347	Event::one_event;	3422	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3423	EV::loop EV::LOOP_ONESHOT;
2348	})->prio (Coro::PRIO_MAX);	3424	})->prio (Coro::PRIO_MAX);
2349	};	3425	};
2350		3426
2351	cfg_load;	3427	evthread_start IO::AIO::poll_fileno;
		3428
		3429	cf::sync_job {
		3430	reload_resources;
		3431	reload_config;
2352	db_init;	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
2353	load_extensions;	3445	load_extensions;
2354		3446
2355	$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
2356	Event::loop;	3455	EV::loop;
2357	}	3456	}
2358		3457
2359	#############################################################################	3458	#############################################################################
2360	# initialisation and cleanup	3459	# initialisation and cleanup
2361		3460
2362	# install some emergency cleanup handlers	3461	# install some emergency cleanup handlers
2363	BEGIN {	3462	BEGIN {
		3463	our %SIGWATCHER = ();
2364	for my $signal (qw(INT HUP TERM)) {	3464	for my $signal (qw(INT HUP TERM)) {
2365	Event->signal (	3465	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2366	reentrant => 0,
2367	data => WF_AUTOCANCEL,
2368	signal => $signal,
2369	prio => 0,
2370	cb => sub {
2371	cf::cleanup "SIG$signal";	3466	cf::cleanup "SIG$signal";
2372	},
2373	);	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
2374	}	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	unless ($value) {
		3524	warn "cowardly refusing to write zero uuid 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 };
2375	}	3555	}
2376		3556
2377	sub emergency_save() {	3557	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3558	my $freeze_guard = cf::freeze_mainloop;
2379		3559
…		…
2385	# and maps saved/destroyed asynchronously.	3565	# and maps saved/destroyed asynchronously.
2386	warn "begin emergency player save\n";	3566	warn "begin emergency player save\n";
2387	for my $login (keys %cf::PLAYER) {	3567	for my $login (keys %cf::PLAYER) {
2388	my $pl = $cf::PLAYER{$login} or next;	3568	my $pl = $cf::PLAYER{$login} or next;
2389	$pl->valid or next;	3569	$pl->valid or next;
		3570	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2390	$pl->save;	3571	$pl->save;
2391	}	3572	}
2392	warn "end emergency player save\n";	3573	warn "end emergency player save\n";
2393		3574
2394	warn "begin emergency map save\n";	3575	warn "begin emergency map save\n";
…		…
2400	warn "end emergency map save\n";	3581	warn "end emergency map save\n";
2401		3582
2402	warn "begin emergency database checkpoint\n";	3583	warn "begin emergency database checkpoint\n";
2403	BDB::db_env_txn_checkpoint $DB_ENV;	3584	BDB::db_env_txn_checkpoint $DB_ENV;
2404	warn "end emergency database checkpoint\n";	3585	warn "end emergency database checkpoint\n";
		3586
		3587	warn "begin write uuid\n";
		3588	write_uuid_sync 1;
		3589	warn "end write uuid\n";
2405	};	3590	};
2406		3591
2407	warn "leave emergency perl save\n";	3592	warn "leave emergency perl save\n";
2408	}	3593	}
2409		3594
2410	sub post_cleanup {	3595	sub post_cleanup {
2411	my ($make_core) = @_;	3596	my ($make_core) = @_;
2412		3597
2413	warn Carp::longmess "post_cleanup backtrace"	3598	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3599	if $make_core;
2415	}
2416		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
2417	sub reload() {	3631	sub do_reload_perl() {
2418	# can/must only be called in main	3632	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3633	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3634	warn "can only reload from main coroutine";
2421	return;	3635	return;
2422	}	3636	}
2423		3637
		3638	return if $RELOAD++;
		3639
		3640	while ($RELOAD) {
2424	warn "reloading...";	3641	warn "reloading...";
2425		3642
2426	warn "entering sync_job";	3643	warn "entering sync_job";
2427		3644
2428	cf::sync_job {	3645	cf::sync_job {
2429	cf::write_runtime; # external watchdog should not bark	3646	cf::write_runtime_sync; # external watchdog should not bark
2430	cf::emergency_save;	3647	cf::emergency_save;
2431	cf::write_runtime; # external watchdog should not bark	3648	cf::write_runtime_sync; # external watchdog should not bark
2432		3649
2433	warn "syncing database to disk";	3650	warn "syncing database to disk";
2434	BDB::db_env_txn_checkpoint $DB_ENV;	3651	BDB::db_env_txn_checkpoint $DB_ENV;
2435		3652
2436	# 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
2437		3654
2438	warn "cancelling all WF_AUTOCANCEL watchers";
2439	for (Event::all_watchers) {
2440	$_->cancel if $_->data & WF_AUTOCANCEL;
2441	}
2442
2443	warn "flushing outstanding aio requests";	3655	warn "flushing outstanding aio requests";
2444	for (;;) {
2445	BDB::flush;
2446	IO::AIO::flush;
2447	Coro::cede;
2448	last unless IO::AIO::nreqs || BDB::nreqs;	3656	while (IO::AIO::nreqs || BDB::nreqs) {
2449	warn "iterate...";	3657	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2450	}
2451
2452	++$RELOAD;
2453
2454	warn "cancelling all extension coros";
2455	$_->cancel for values %EXT_CORO;
2456	%EXT_CORO = ();
2457
2458	warn "removing commands";
2459	%COMMAND = ();
2460
2461	warn "removing ext commands";
2462	%EXTCMD = ();
2463
2464	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";
2467
2468	if (my $cb = $pkg->can ("unload")) {
2469	eval {
2470	$cb->($pkg);
2471	1
2472	} or warn "$pkg unloaded, but with errors: $@";
2473	}	3658	}
2474		3659
2475	warn "... nuking $pkg";	3660	warn "cancelling all extension coros";
2476	Symbol::delete_package $pkg;	3661	$_->cancel for values %EXT_CORO;
2477	}	3662	%EXT_CORO = ();
2478		3663
2479	warn "unloading all perl modules loaded from $LIBDIR";	3664	warn "removing commands";
2480	while (my ($k, $v) = each %INC) {	3665	%COMMAND = ();
2481	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2482		3666
		3667	warn "removing ext/exti commands";
		3668	%EXTCMD = ();
		3669	%EXTICMD = ();
		3670
		3671	warn "unloading/nuking all extensions";
		3672	for my $pkg (@EXTS) {
2483	warn "... unloading $k";	3673	warn "... unloading $pkg";
2484	delete $INC{$k};
2485		3674
2486	$k =~ s/\.pm$//;
2487	$k =~ s/\//::/g;
2488
2489	if (my $cb = $k->can ("unload_module")) {	3675	if (my $cb = $pkg->can ("unload")) {
		3676	eval {
2490	$cb->();	3677	$cb->($pkg);
		3678	1
		3679	} or warn "$pkg unloaded, but with errors: $@";
		3680	}
		3681
		3682	warn "... clearing $pkg";
		3683	clear_package $pkg;
2491	}	3684	}
2492		3685
2493	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;
2494	}	3701	}
2495		3702
2496	warn "getting rid of safe::, as good as possible";	3703	warn "getting rid of safe::, as good as possible";
2497	Symbol::delete_package "safe::$_"	3704	clear_package "safe::$_"
2498	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);
2499		3706
2500	warn "unloading cf.pm \"a bit\"";	3707	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3708	delete $INC{"cf.pm"};
		3709	delete $INC{"cf/pod.pm"};
2502		3710
2503	# don't, removes xs symbols, too,	3711	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3712	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3713	#clear_package __PACKAGE__;
2506		3714
2507	warn "unload completed, starting to reload now";	3715	warn "unload completed, starting to reload now";
2508		3716
2509	warn "reloading cf.pm";	3717	warn "reloading cf.pm";
2510	require cf;	3718	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3719	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3720
2513	warn "loading config and database again";	3721	warn "loading config and database again";
2514	cf::cfg_load;	3722	cf::reload_config;
2515		3723
2516	warn "loading extensions";	3724	warn "loading extensions";
2517	cf::load_extensions;	3725	cf::load_extensions;
2518		3726
2519	warn "reattaching attachments to objects/players";	3727	warn "reattaching attachments to objects/players";
2520	_global_reattach; # objects, sockets	3728	_global_reattach; # objects, sockets
2521	warn "reattaching attachments to maps";	3729	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3730	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3731	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3732	reattach $_ for values %PLAYER;
2525		3733
2526	warn "loading reloadable resources";	3734	warn "running post_load";
2527	reload_resources;	3735	(pop @POST_INIT)->(1) while @POST_INIT;
2528		3736
2529	warn "leaving sync_job";	3737	warn "leaving sync_job";
2530		3738
2531	1	3739	1
2532	} or do {	3740	} or do {
2533	warn $@;	3741	warn $@;
2534	warn "error while reloading, exiting.";	3742	cf::cleanup "error while reloading, exiting.";
2535	exit 1;	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;
2536	};	3759	};
2537		3760	}
2538	warn "reloaded";
2539	};
2540
2541	our $RELOAD_WATCHER; # used only during reload
2542		3761
2543	register_command "reload" => sub {	3762	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3763	my ($who, $arg) = @_;
2545		3764
2546	if ($who->flag (FLAG_WIZ)) {	3765	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3766	$who->message ("reloading server.");
2548		3767	async {
2549	# doing reload synchronously and two reloads happen back-to-back,	3768	$Coro::current->{desc} = "perl_reload";
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;	3769	reload_perl;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);	3770	};
2561	}	3771	}
2562	};	3772	};
2563		3773
2564	unshift @INC, $LIBDIR;	3774	unshift @INC, $LIBDIR;
2565		3775
2566	my $bug_warning = 0;	3776	my $bug_warning = 0;
2567		3777
2568	$TICK_WATCHER = Event->timer (	3778	our @WAIT_FOR_TICK;
2569	reentrant => 0,	3779	our @WAIT_FOR_TICK_BEGIN;
2570	parked => 1,	3780
2571	prio => 0,	3781	sub wait_for_tick {
2572	at => $NEXT_TICK || $TICK,	3782	return if tick_inhibit || $Coro::current == $Coro::main;
2573	data => WF_AUTOCANCEL,	3783
2574	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 {
2575	if ($Coro::current != $Coro::main) {	3798	if ($Coro::current != $Coro::main) {
2576	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"
2577	unless ++$bug_warning > 10;	3800	unless ++$bug_warning > 10;
2578	return;	3801	return;
2579	}	3802	}
2580		3803
2581	$NOW = Event::time;
2582
2583	cf::server_tick; # one server iteration	3804	cf::server_tick; # one server iteration
2584	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;
2586		3805
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3806	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3807	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2589	Coro::async_pool {	3808	Coro::async_pool {
		3809	$Coro::current->{desc} = "runtime saver";
2590	write_runtime	3810	write_runtime_sync
2591	or warn "ERROR: unable to write runtime file: $!";	3811	or warn "ERROR: unable to write runtime file: $!";
2592	};
2593	}	3812	};
2594
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#
2600
2601	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2603
2604	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;
2606	},	3813	}
2607	);	3814
		3815	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		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#
		3830	}
		3831	}
		3832	}
2608		3833
2609	{	3834	{
2610	BDB::max_poll_time $TICK * 0.1;	3835	# configure BDB
2611	$BDB_POLL_WATCHER = Event->io (	3836
2612	reentrant => 0,
2613	fd => BDB::poll_fileno,
2614	poll => 'r',
2615	prio => 0,
2616	data => WF_AUTOCANCEL,
2617	cb => \&BDB::poll_cb,
2618	);
2619	BDB::min_parallel 8;	3837	BDB::min_parallel 8;
2620		3838	BDB::max_poll_reqs $TICK * 0.1;
2621	BDB::set_sync_prepare {	3839	$AnyEvent::BDB::WATCHER->priority (1);
2622	my $status;
2623	my $current = $Coro::current;
2624	(
2625	sub {
2626	$status = $!;
2627	$current->ready; undef $current;
2628	},
2629	sub {
2630	Coro::schedule while defined $current;
2631	$! = $status;
2632	},
2633	)
2634	};
2635		3840
2636	unless ($DB_ENV) {	3841	unless ($DB_ENV) {
2637	$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);
2638		3848
2639	cf::sync_job {	3849	cf::sync_job {
2640	eval {	3850	eval {
2641	BDB::db_env_open	3851	BDB::db_env_open
2642	$DB_ENV,	3852	$DB_ENV,
2643	$BDB_ENV_DIR,	3853	$BDBDIR,
2644	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
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3855	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3856	0666;
2647		3857
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3858	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;
2652	};	3859	};
2653		3860
2654	cf::cleanup "db_env_open(db): $@" if $@;	3861	cf::cleanup "db_env_open(db): $@" if $@;
2655	};	3862	};
2656	}	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	};
2657	}	3874	}
2658		3875
2659	{	3876	{
		3877	# configure IO::AIO
		3878
2660	IO::AIO::min_parallel 8;	3879	IO::AIO::min_parallel 8;
2661
2662	undef $Coro::AIO::WATCHER;
2663	IO::AIO::max_poll_time $TICK * 0.1;	3880	IO::AIO::max_poll_time $TICK * 0.1;
2664	$AIO_POLL_WATCHER = Event->io (	3881	undef $AnyEvent::AIO::WATCHER;
2665	reentrant => 0,
2666	data => WF_AUTOCANCEL,
2667	fd => IO::AIO::poll_fileno,
2668	poll => 'r',
2669	prio => 6,
2670	cb => \&IO::AIO::poll_cb,
2671	);
2672	}	3882	}
		3883
		3884	my $_log_backtrace;
		3885
		3886	sub _log_backtrace {
		3887	my ($msg, @addr) = @_;
		3888
		3889	$msg =~ s/\n//;
		3890
		3891	# limit the # of concurrent backtraces
		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";
		3923	}
		3924	}
		3925
		3926	# load additional modules
		3927	use cf::pod;
2673		3928
2674	END { cf::emergency_save }	3929	END { cf::emergency_save }
2675		3930
2676	1	3931	1
2677		3932

Diff Legend

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