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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.245 by root, Tue Apr 17 10:06:33 2007 UTC vs.
Revision 1.456 by root, Tue Sep 30 04:00:35 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 3.61 ();	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;
21	use Coro::Storable;	48	use Coro::Storable;
		49	use Coro::Util ();
22		50
		51	use JSON::XS 2.01 ();
23	use BDB ();	52	use BDB ();
24	use Data::Dumper;	53	use Data::Dumper;
25	use Digest::MD5;	54	use Digest::MD5;
26	use Fcntl;	55	use Fcntl;
27	use YAML::Syck ();	56	use YAML ();
28	use IO::AIO 2.32 ();	57	use IO::AIO ();
29	use Time::HiRes;	58	use Time::HiRes;
30	use Compress::LZF;	59	use Compress::LZF;
		60	use Digest::MD5 ();
		61
		62	AnyEvent::detect;
31		63
32	# configure various modules to our taste	64	# configure various modules to our taste
33	#	65	#
34	$Storable::canonical = 1; # reduce rsync transfers	66	$Storable::canonical = 1; # reduce rsync transfers
35	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";
36	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
37
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		74
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	75	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		76
47	our %COMMAND = ();	77	our %COMMAND = ();
48	our %COMMAND_TIME = ();	78	our %COMMAND_TIME = ();
49		79
50	our @EXTS = (); # list of extension package names	80	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	81	our %EXTCMD = ();
		82	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	83	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	84	our %EXT_MAP = (); # pluggable maps
54		85
55	our $RELOAD; # number of reloads so far	86	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	87	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	88
		89	our $CONFDIR = confdir;
		90	our $DATADIR = datadir;
		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;
58		104
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	105	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	106	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	107	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	108	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		109
		110	our $BDB_DEADLOCK_WATCHER;
		111	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	112	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	113	our $DB_ENV;
69		114
70	our %CFG;	115	our %CFG;
71		116
72	our $UPTIME; $UPTIME ||= time;	117	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	118	our $RUNTIME;
		119	our $NOW;
74		120
75	our %PLAYER; # all users	121	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	122	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	123	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		124
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	126	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $TICK_START; # for load detecting purposes
		132
		133	our @POST_INIT;
		134
84	binmode STDOUT;	135	binmode STDOUT;
85	binmode STDERR;	136	binmode STDERR;
86		137
87	# read virtual server time, if available	138	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	139	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	140	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	141	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	142	$RUNTIME = <$fh> + 0.;
92	}	143	}
93		144
94	mkdir cf::localdir;	145	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	146	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		147
101	our $EMERGENCY_POSITION;	148	our $EMERGENCY_POSITION;
102		149
103	sub cf::map::normalise;	150	sub cf::map::normalise;
104		151
…		…
115	=item $cf::RUNTIME	162	=item $cf::RUNTIME
116		163
117	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
118	every server tick.	165	every server tick.
119		166
120	=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
121		170
122	The perl library directory, where extensions and cf-specific modules can	171	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		175
125	=item $cf::NOW	176	=item $cf::NOW
126		177
127	The time of the last (current) server tick.	178	The time of the last (current) server tick.
128		179
129	=item $cf::TICK	180	=item $cf::TICK
130		181
131	The interval between server ticks, in seconds.	182	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	194	=item %cf::CFG
134		195
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	196	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	197	from wherever your confdir points to.
137		198
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	199	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		200
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	201	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	202	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	203	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		210
144	=back	211	=back
145		212
146	=cut	213	=cut
147		214
148	BEGIN {	215	BEGIN {
149	*CORE::GLOBAL::warn = sub {	216	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	217	my $msg = join "", @_;
151	utf8::encode $msg;
152		218
153	$msg .= "\n"	219	$msg .= "\n"
154	unless $msg =~ /\n$/;	220	unless $msg =~ /\n$/;
155		221
		222	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		223
156	LOG llevError, $msg;	224	LOG llevError, $msg;
157	};	225	};
158	}	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#?
159		242
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	243	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	244	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	245	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	246	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		250
167	# 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
168	# within the Safe compartment.	252	# within the Safe compartment.
169	for my $pkg (qw(	253	for my $pkg (qw(
170	cf::global cf::attachable	254	cf::global cf::attachable
171	cf::object cf::object::player	255	cf::object cf::object::player
172	cf::client cf::player	256	cf::client cf::player
173	cf::arch cf::living	257	cf::arch cf::living
		258	cf::map cf::mapspace
174	cf::map cf::party cf::region	259	cf::party cf::region
175	)) {	260	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	261	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	262	}
179		263
180	$Event::DIED = sub {	264	$EV::DIED = sub {
181	warn "error in event callback: @_";	265	warn "error in event callback: @_";
182	};	266	};
		267
		268	#############################################################################
183		269
184	=head2 UTILITY FUNCTIONS	270	=head2 UTILITY FUNCTIONS
185		271
186	=over 4	272	=over 4
187		273
…		…
206	$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;
207	$d	293	$d
208	} || "[unable to dump $_[0]: '$@']";	294	} || "[unable to dump $_[0]: '$@']";
209	}	295	}
210		296
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	297	=item $ref = cf::decode_json $json
214		298
215	Converts a JSON string into the corresponding perl data structure.	299	Converts a JSON string into the corresponding perl data structure.
216		300
217	=item $json = cf::to_json $ref	301	=item $json = cf::encode_json $ref
218		302
219	Converts a perl data structure into its JSON representation.	303	Converts a perl data structure into its JSON representation.
		304
		305	=cut
		306
		307	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		308
		309	sub encode_json($) { $json_coder->encode ($_[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;
		324	}
220		325
221	=item cf::lock_wait $string	326	=item cf::lock_wait $string
222		327
223	Wait until the given lock is available. See cf::lock_acquire.	328	Wait until the given lock is available. See cf::lock_acquire.
224		329
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	334	for example when the coroutine gets canceled), the lock is automatically
230	returned.	335	returned.
231		336
		337	Locks are *not* recursive, locking from the same coro twice results in a
		338	deadlocked coro.
		339
232	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
233	uses map_find and cf::map::load uses map_load).	341	uses map_find and cf::map::load uses map_load).
234		342
		343	=item $locked = cf::lock_active $string
		344
		345	Return true if the lock is currently active, i.e. somebody has locked it.
		346
235	=cut	347	=cut
236		348
237	our %LOCK;	349	our %LOCK;
		350	our %LOCKER;#d#
238		351
239	sub lock_wait($) {	352	sub lock_wait($) {
240	my ($key) = @_;	353	my ($key) = @_;
241		354
		355	if ($LOCKER{$key} == $Coro::current) {#d#
		356	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		357	return;#d#
		358	}#d#
		359
242	# wait for lock, if any	360	# wait for lock, if any
243	while ($LOCK{$key}) {	361	while ($LOCK{$key}) {
		362	#local $Coro::current->{desc} = "$Coro::current->{desc} <waiting for lock $key>";
244	push @{ $LOCK{$key} }, $Coro::current;	363	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	364	Coro::schedule;
246	}	365	}
247	}	366	}
248		367
…		…
251		370
252	# wait, to be sure we are not locked	371	# wait, to be sure we are not locked
253	lock_wait $key;	372	lock_wait $key;
254		373
255	$LOCK{$key} = [];	374	$LOCK{$key} = [];
		375	$LOCKER{$key} = $Coro::current;#d#
256		376
257	Coro::guard {	377	Coro::guard {
		378	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	379	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	380	$_->ready for @{ delete $LOCK{$key} };
260	}	381	}
261	}	382	}
262		383
		384	sub lock_active($) {
		385	my ($key) = @_;
		386
		387	! ! $LOCK{$key}
		388	}
		389
263	sub freeze_mainloop {	390	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	391	tick_inhibit_inc;
265		392
266	my $guard = Coro::guard {	393	Coro::guard \&tick_inhibit_dec;
267	$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($$) {
		404	my ($interval, $cb) = @_;
		405
		406	my $start = rand List::Util::min 180, $interval;
		407
		408	EV::periodic $start, $interval, 0, $cb
		409	}
		410
		411	=item cf::get_slot $time[, $priority[, $name]]
		412
		413	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		414	This call blocks and returns only when you have at least C<$time> seconds
		415	of cpu time till the next tick. The slot is only valid till the next cede.
		416
		417	The optional C<$name> can be used to identify the job to run. It might be
		418	used for statistical purposes and should identify the same time-class.
		419
		420	Useful for short background jobs.
		421
		422	=cut
		423
		424	our @SLOT_QUEUE;
		425	our $SLOT_QUEUE;
		426
		427	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		428	$SLOT_QUEUE = Coro::async {
		429	$Coro::current->desc ("timeslot manager");
		430
		431	my $signal = new Coro::Signal;
		432
		433	while () {
		434	next_job:
		435	my $avail = cf::till_tick;
		436	if ($avail > 0.01) {
		437	for (0 .. $#SLOT_QUEUE) {
		438	if ($SLOT_QUEUE[$_][0] < $avail) {
		439	my $job = splice @SLOT_QUEUE, $_, 1, ();
		440	$job->[2]->send;
		441	Coro::cede;
		442	goto next_job;
		443	}
		444	}
		445	}
		446
		447	if (@SLOT_QUEUE) {
		448	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		449	push @cf::WAIT_FOR_TICK, $signal;
		450	$signal->wait;
		451	} else {
		452	Coro::schedule;
		453	}
268	};	454	}
269	$TICK_WATCHER->stop;	455	};
270	$guard	456
		457	sub get_slot($;$$) {
		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	$sig->wait;
271	}	469	}
272		470
273	=item cf::async { BLOCK }	471	=item cf::async { BLOCK }
274		472
275	Currently the same as Coro::async_pool, meaning you cannot use	473	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		478
281	BEGIN { *async = \&Coro::async_pool }	479	BEGIN { *async = \&Coro::async_pool }
282		480
283	=item cf::sync_job { BLOCK }	481	=item cf::sync_job { BLOCK }
284		482
285	The design of crossfire+ requires that the main coro ($Coro::main) is	483	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	484	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	485	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		486	acceptable.
288		487
289	If it must be done, put the blocking parts into C<sync_job>. This will run	488	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	489	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	490	server will be frozen during this time, so the block should either finish
292	fast or be very important.	491	fast or be very important.
…		…
295		494
296	sub sync_job(&) {	495	sub sync_job(&) {
297	my ($job) = @_;	496	my ($job) = @_;
298		497
299	if ($Coro::current == $Coro::main) {	498	if ($Coro::current == $Coro::main) {
		499	my $time = EV::time;
		500
300	# this is the main coro, too bad, we have to block	501	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	502	# till the operation succeeds, freezing the server :/
302		503
303	# TODO: use suspend/resume instead	504	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	505
305	my $freeze_guard = freeze_mainloop;	506	my $freeze_guard = freeze_mainloop;
306		507
307	my $busy = 1;	508	my $busy = 1;
308	my @res;	509	my @res;
309		510
310	(async {	511	(async {
		512	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	513	@res = eval { $job->() };
312	warn $@ if $@;	514	warn $@ if $@;
313	undef $busy;	515	undef $busy;
314	})->prio (Coro::PRIO_MAX);	516	})->prio (Coro::PRIO_MAX);
315		517
316	while ($busy) {	518	while ($busy) {
317	Coro::cede or Event::one_event;	519	if (Coro::nready) {
		520	Coro::cede_notself;
		521	} else {
		522	EV::loop EV::LOOP_ONESHOT;
318	}	523	}
		524	}
		525
		526	my $time = EV::time - $time;
		527
		528	$TICK_START += $time; # do not account sync jobs to server load
319		529
320	wantarray ? @res : $res[0]	530	wantarray ? @res : $res[0]
321	} else {	531	} else {
322	# we are in another coroutine, how wonderful, everything just works	532	# we are in another coroutine, how wonderful, everything just works
323		533
…		…
343	$EXT_CORO{$coro+0} = $coro;	553	$EXT_CORO{$coro+0} = $coro;
344		554
345	$coro	555	$coro
346	}	556	}
347		557
348	sub write_runtime {	558	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		559
351	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.
352		564
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	565	=cut
354	or return;
355		566
356	my $value = $cf::RUNTIME + 90 + 10;	567	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	568	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		569
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	570	# we seemingly have to make a local copy of the whole thing,
361	and return;	571	# otherwise perl prematurely frees the stuff :/
		572	# TODO: investigate and fix (likely this will be rather laborious)
362		573
363	# always fsync - this file is important	574	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	575	reset_signals;
365	and return;	576	&$cb
		577	}, @args;
366		578
367	close $fh	579	wantarray ? @res : $res[-1]
368	or return;	580	}
369		581
370	aio_rename "$runtime~", $runtime	582	=item $coin = coin_from_name $name
371	and return;
372		583
		584	=cut
		585
		586	our %coin_alias = (
		587	"silver" => "silvercoin",
		588	"silvercoin" => "silvercoin",
		589	"silvercoins" => "silvercoin",
		590	"gold" => "goldcoin",
		591	"goldcoin" => "goldcoin",
		592	"goldcoins" => "goldcoin",
		593	"platinum" => "platinacoin",
		594	"platinumcoin" => "platinacoin",
		595	"platinumcoins" => "platinacoin",
		596	"platina" => "platinacoin",
		597	"platinacoin" => "platinacoin",
		598	"platinacoins" => "platinacoin",
		599	"royalty" => "royalty",
		600	"royalties" => "royalty",
		601	);
		602
		603	sub coin_from_name($) {
		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($$) {
		651	my $key = "$_[0]/$_[1]";
		652
		653	cf::sync_job {
		654	BDB::db_get $DB, undef, $key, my $data;
		655
		656	$! ? ()
		657	: $data
373	1	658	}
		659	}
		660
		661	sub db_put($$$) {
		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"
374	}	734	}
375		735
376	=item cf::datalog type => key => value, ...	736	=item cf::datalog type => key => value, ...
377		737
378	Log a datalog packet of the given type with the given key-value pairs.	738	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		750
391	#############################################################################	751	#############################################################################
392		752
393	=head2 ATTACHABLE OBJECTS	753	=head2 ATTACHABLE OBJECTS
394		754
395	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
396	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")
397	to it. All such attachable objects support the following methods.	757	to it. All such attachable objects support the following methods.
398		758
399	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>
400	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
401	crossfire+).	761	Deliantra).
402		762
403	=over 4	763	=over 4
404		764
405	=item $attachable->attach ($attachment, key => $value...)	765	=item $attachable->attach ($attachment, key => $value...)
406		766
…		…
450	=item cf::CLASS::attachment $name, ...	810	=item cf::CLASS::attachment $name, ...
451		811
452	Register an attachment by C<$name> through which attachable objects of the	812	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	813	given CLASS can refer to this attachment.
454		814
455	Some classes such as crossfire maps and objects can specify attachments	815	Some classes such as deliantra maps and objects can specify attachments
456	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.
457		817
458	These calls expect any number of the following handler/hook descriptions:	818	These calls expect any number of the following handler/hook descriptions:
459		819
460	=over 4	820	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	929	$registry = $CB_TYPE[$object_type] ||= [];
570		930
571	} elsif ($type eq "subtype") {	931	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	932	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	933	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	934	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		935
576	} elsif ($type eq "package") {	936	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	937	my $pkg = shift @arg;
578		938
579	while (my ($name, $id) = each %cb_id) {	939	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	968	_attach $registry, $klass, @attach;
609	}	969	}
610		970
611	$obj->{$name} = \%arg;	971	$obj->{$name} = \%arg;
612	} else {	972	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	973	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	974	}
615		975
616	$obj->{_attachment}{$name} = undef;	976	$obj->{_attachment}{$name} = undef;
617	}	977	}
618		978
…		…
620	if (ref $_[0]) {	980	if (ref $_[0]) {
621	_object_attach @_;	981	_object_attach @_;
622	} else {	982	} else {
623	_attach shift->_attach_registry, @_;	983	_attach shift->_attach_registry, @_;
624	}	984	}
		985	_recalc_want;
625	};	986	};
626		987
627	# all those should be optimised	988	# all those should be optimised
628	sub cf::attachable::detach {	989	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	990	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	993	delete $obj->{_attachment}{$name};
633	reattach ($obj);	994	reattach ($obj);
634	} else {	995	} else {
635	Carp::croak "cannot, currently, detach class attachments";	996	Carp::croak "cannot, currently, detach class attachments";
636	}	997	}
		998	_recalc_want;
637	};	999	};
638		1000
639	sub cf::attachable::attached {	1001	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	1002	my ($obj, $name) = @_;
641		1003
…		…
656	";	1018	";
657	die if $@;	1019	die if $@;
658	}	1020	}
659		1021
660	our $override;	1022	our $override;
661	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?
662		1024
663	sub override {	1025	sub override {
664	$override = 1;	1026	$override = 1;
665	@invoke_results = ();	1027	@INVOKE_RESULTS = (@_);
666	}	1028	}
667		1029
668	sub do_invoke {	1030	sub do_invoke {
669	my $event = shift;	1031	my $event = shift;
670	my $callbacks = shift;	1032	my $callbacks = shift;
671		1033
672	@invoke_results = ();	1034	@INVOKE_RESULTS = ();
673		1035
674	local $override;	1036	local $override;
675		1037
676	for (@$callbacks) {	1038	for (@$callbacks) {
677	eval { &{$_->[1]} };	1039	eval { &{$_->[1]} };
…		…
686	}	1048	}
687		1049
688	0	1050	0
689	}	1051	}
690		1052
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1053	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1054
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1055	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1056
695	Generate an object-specific event with the given arguments.	1057	Generate an object-specific event with the given arguments.
696		1058
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	1061	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1062
701	=back	1063	=back
702		1064
703	=cut	1065	=cut
704		1066
705	#############################################################################	1067	#############################################################################
706	# 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, $ob2
		1110	}
707		1111
708	sub reattach {	1112	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1113	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1114	my ($obj) = @_;
711		1115
		1116	# no longer needed after getting rid of delete_package?
712	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
713		1118
714	my $registry = $obj->registry;	1119	my $registry = $obj->registry;
715		1120
716	@$registry = ();	1121	@$registry = ();
717		1122
…		…
732	cf::attachable->attach (	1137	cf::attachable->attach (
733	prio => -1000000,	1138	prio => -1000000,
734	on_instantiate => sub {	1139	on_instantiate => sub {
735	my ($obj, $data) = @_;	1140	my ($obj, $data) = @_;
736		1141
737	$data = from_json $data;	1142	$data = decode_json $data;
738		1143
739	for (@$data) {	1144	for (@$data) {
740	my ($name, $args) = @$_;	1145	my ($name, $args) = @$_;
741		1146
742	$obj->attach ($name, %{$args || {} });	1147	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1163	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1164	my ($filename, $rdata, $objs) = @_;
760		1165
761	sync_job {	1166	sync_job {
762	if (length $$rdata) {	1167	if (length $$rdata) {
		1168	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1169	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1170	$decname, length $$rdata, scalar @$objs;
765		1171
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1172	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1173	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1174	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1175	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1176	aio_close $fh;
771		1177
772	if (@$objs) {	1178	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1180	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1181	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1182	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1183	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1184	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1185	aio_rename "$filename.pst~", "$filename.pst";
780	}	1186	}
781	} else {	1187	} else {
782	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
783	}	1189	}
784		1190
785	aio_rename "$filename~", $filename;	1191	aio_rename "$filename~", $filename;
		1192
		1193	$filename =~ s%/[^/]+$%%;
		1194	aio_pathsync $filename;
786	} else {	1195	} else {
787	warn "FATAL: $filename~: $!\n";	1196	warn "FATAL: $filename~: $!\n";
788	}	1197	}
789	} else {	1198	} else {
790	aio_unlink $filename;	1199	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1200	aio_unlink "$filename.pst";
792	}	1201	}
793	}	1202	};
794	}	1203	}
795		1204
796	sub object_freezer_as_string {	1205	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1206	my ($rdata, $objs) = @_;
798		1207
…		…
810	or return;	1219	or return;
811		1220
812	unless (aio_stat "$filename.pst") {	1221	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1222	(aio_load "$filename.pst", $av) >= 0
814	or return;	1223	or return;
		1224
815	$av = eval { (Storable::thaw $av)->{objs} };	1225	my $st = eval { Coro::Storable::thaw $av };
		1226	$av = $st->{objs};
816	}	1227	}
817		1228
		1229	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1230	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1231	$decname, length $data, scalar @{$av || []};
		1232
820	return ($data, $av);	1233	($data, $av)
821	}	1234	}
		1235
		1236	=head2 COMMAND CALLBACKS
		1237
		1238	=over 4
		1239
		1240	=cut
822		1241
823	#############################################################################	1242	#############################################################################
824	# command handling &c	1243	# command handling &c
825		1244
826	=item cf::register_command $name => \&callback($ob,$args);	1245	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1258	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1259	}
841		1260
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1261	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1262
844	Register a callbackf ro execution when the client sends an extcmd packet.	1263	Register a callback for execution when the client sends an (synchronous)
		1264	extcmd packet. Ext commands will be processed in the order they are
		1265	received by the server, like other user commands. The first argument is
		1266	the logged-in player. Ext commands can only be processed after a player
		1267	has logged in successfully.
845		1268
846	If the callback returns something, it is sent back as if reply was being	1269	If the callback returns something, it is sent back as if reply was being
847	called.	1270	called.
848		1271
		1272	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1273
		1274	Register a callback for execution when the client sends an (asynchronous)
		1275	exticmd packet. Exti commands are processed by the server as soon as they
		1276	are received, i.e. out of order w.r.t. other commands. The first argument
		1277	is a client socket. Exti commands can be received anytime, even before
		1278	log-in.
		1279
		1280	If the callback returns something, it is sent back as if reply was being
		1281	called.
		1282
849	=cut	1283	=cut
850		1284
851	sub register_extcmd {	1285	sub register_extcmd {
852	my ($name, $cb) = @_;	1286	my ($name, $cb) = @_;
853		1287
854	$EXTCMD{$name} = $cb;	1288	$EXTCMD{$name} = $cb;
		1289	}
		1290
		1291	sub register_exticmd {
		1292	my ($name, $cb) = @_;
		1293
		1294	$EXTICMD{$name} = $cb;
855	}	1295	}
856		1296
857	cf::player->attach (	1297	cf::player->attach (
858	on_command => sub {	1298	on_command => sub {
859	my ($pl, $name, $params) = @_;	1299	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1308	cf::override;
869	},	1309	},
870	on_extcmd => sub {	1310	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1311	my ($pl, $buf) = @_;
872		1312
873	my $msg = eval { from_json $buf };	1313	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1314
875	if (ref $msg) {	1315	if (ref $msg) {
		1316	my ($type, $reply, @payload) =
		1317	"ARRAY" eq ref $msg
		1318	? @$msg
		1319	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1320
		1321	my @reply;
		1322
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1323	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1324	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1325	}
		1326
		1327	$pl->ext_reply ($reply, @reply)
		1328	if $reply;
		1329
881	} else {	1330	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1331	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1332	}
884		1333
885	cf::override;	1334	cf::override;
886	},	1335	},
887	);	1336	);
888		1337
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1338	sub load_extensions {
		1339	cf::sync_job {
		1340	my %todo;
		1341
924	for my $ext (<$LIBDIR/*.ext>) {	1342	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1343	next unless -r $path;
926	eval {	1344
927	load_extension $ext;	1345	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1346	my $base = $1;
		1347	my $pkg = $1;
		1348	$pkg =~ s/[^[:word:]]/_/g;
		1349	$pkg = "ext::$pkg";
		1350
		1351	open my $fh, "<:utf8", $path
		1352	or die "$path: $!";
		1353
		1354	my $source = do { local $/; <$fh> };
		1355
		1356	my %ext = (
		1357	path => $path,
		1358	base => $base,
		1359	pkg => $pkg,
		1360	);
		1361
		1362	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1363	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1364
		1365	$ext{source} =
		1366	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1367	. "#line 1 \"$path\"\n{\n"
		1368	. $source
		1369	. "\n};\n1";
		1370
		1371	$todo{$base} = \%ext;
		1372	}
		1373
		1374	my %done;
		1375	while (%todo) {
		1376	my $progress;
		1377
		1378	while (my ($k, $v) = each %todo) {
		1379	for (split /,\s*/, $v->{meta}{depends}) {
		1380	goto skip
		1381	unless exists $done{$_};
		1382	}
		1383
		1384	warn "... loading '$k' into '$v->{pkg}'\n";
		1385
		1386	unless (eval $v->{source}) {
		1387	my $msg = $@ ? "$v->{path}: $@\n"
		1388	: "$v->{base}: extension inactive.\n";
		1389
		1390	if (exists $v->{meta}{mandatory}) {
		1391	warn $msg;
		1392	cf::cleanup "mandatory extension failed to load, exiting.";
		1393	}
		1394
		1395	warn $msg;
		1396	}
		1397
		1398	$done{$k} = delete $todo{$k};
		1399	push @EXTS, $v->{pkg};
		1400	$progress = 1;
928	1	1401	}
929	} or warn "$ext not loaded: $@";	1402
		1403	skip:
		1404	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1405	unless $progress;
		1406	}
930	}	1407	};
931	}	1408	}
932		1409
933	#############################################################################	1410	#############################################################################
934		1411
		1412	=back
		1413
935	=head2 CORE EXTENSIONS	1414	=head2 CORE EXTENSIONS
936		1415
937	Functions and methods that extend core crossfire objects.	1416	Functions and methods that extend core deliantra objects.
938		1417
939	=cut	1418	=cut
940		1419
941	package cf::player;	1420	package cf::player;
942		1421
…		…
944		1423
945	=head3 cf::player	1424	=head3 cf::player
946		1425
947	=over 4	1426	=over 4
948		1427
		1428	=item cf::player::num_playing
		1429
		1430	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1431
		1432	=cut
		1433
		1434	sub num_playing {
		1435	scalar grep
		1436	$_->ob->map
		1437	&& !$_->hidden
		1438	&& !$_->ob->flag (cf::FLAG_WIZ),
		1439	cf::player::list
		1440	}
		1441
949	=item cf::player::find $login	1442	=item cf::player::find $login
950		1443
951	Returns the given player object, loading it if necessary (might block).	1444	Returns the given player object, loading it if necessary (might block).
952		1445
953	=cut	1446	=cut
954		1447
955	sub playerdir($) {	1448	sub playerdir($) {
956	cf::localdir	1449	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1450	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1451	}
962		1452
963	sub path($) {	1453	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1454	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1464
975	sub exists($) {	1465	sub exists($) {
976	my ($login) = @_;	1466	my ($login) = @_;
977		1467
978	$cf::PLAYER{$login}	1468	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1469	or !aio_stat path $login
980	}	1470	}
981		1471
982	sub find($) {	1472	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1473	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1474	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1481	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1482	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1483	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1484	aio_unlink +(playerdir $login) . "/$login.pl";
995		1485
996	my $pl = load_pl path $login	1486	my $f = new_from_file cf::object::thawer path $login
997	or return;	1487	or return;
		1488
		1489	my $pl = cf::player::load_pl $f
		1490	or return;
		1491
		1492	local $cf::PLAYER_LOADING{$login} = $pl;
		1493	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1494	$cf::PLAYER{$login} = $pl
999	}	1495	}
1000	}	1496	}
1001	}	1497	}
1002		1498
…		…
1011	return if $pl->{deny_save};	1507	return if $pl->{deny_save};
1012		1508
1013	aio_mkdir playerdir $pl, 0770;	1509	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1510	$pl->{last_save} = $cf::RUNTIME;
1015		1511
		1512	cf::get_slot 0.01;
		1513
1016	$pl->save_pl ($path);	1514	$pl->save_pl ($path);
1017	Coro::cede;	1515	cf::cede_to_tick;
1018	}	1516	}
1019		1517
1020	sub new($) {	1518	sub new($) {
1021	my ($login) = @_;	1519	my ($login) = @_;
1022		1520
…		…
1028	$cf::PLAYER{$login} = $self;	1526	$cf::PLAYER{$login} = $self;
1029		1527
1030	$self	1528	$self
1031	}	1529	}
1032		1530
		1531	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1532
		1533	=cut
		1534
		1535	sub send_msg {
		1536	my $ns = shift->ns
		1537	or return;
		1538	$ns->send_msg (@_);
		1539	}
		1540
1033	=item $pl->quit_character	1541	=item $pl->quit_character
1034		1542
1035	Nukes the player without looking back. If logged in, the connection will	1543	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1544	be destroyed. May block for a long time.
1037		1545
…		…
1041	my ($pl) = @_;	1549	my ($pl) = @_;
1042		1550
1043	my $name = $pl->ob->name;	1551	my $name = $pl->ob->name;
1044		1552
1045	$pl->{deny_save} = 1;	1553	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1554	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1555
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1556	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1557	$pl->deactivate;
		1558	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1559	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1560	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1561	$pl->ns->destroy if $pl->ns;
1052		1562
1053	my $path = playerdir $pl;	1563	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1564	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1594	while and may block, so not sync_job-capable, ever.
1085		1595
1086	=cut	1596	=cut
1087		1597
1088	sub list_logins {	1598	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1599	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1600	or return [];
1091		1601
1092	my @logins;	1602	my @logins;
1093		1603
1094	for my $login (@$dirs) {	1604	for my $login (@$dirs) {
		1605	my $path = path $login;
		1606
		1607	# a .pst is a dead give-away for a valid player
		1608	# if no pst file found, open and chekc for blocked users
		1609	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1610	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1611	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1612	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1613	}
1098		1614
1099	utf8::decode $login;	1615	utf8::decode $login;
1100	push @logins, $login;	1616	push @logins, $login;
1101	}	1617	}
1102		1618
…		…
1129	}	1645	}
1130		1646
1131	\@paths	1647	\@paths
1132	}	1648	}
1133		1649
		1650	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1651
		1652	Expand deliantra pod fragments into protocol xml.
		1653
1134	=item $player->ext_reply ($msgid, %msg)	1654	=item $player->ext_reply ($msgid, @msg)
1135		1655
1136	Sends an ext reply to the player.	1656	Sends an ext reply to the player.
1137		1657
1138	=cut	1658	=cut
1139		1659
1140	sub ext_reply($$%) {	1660	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1661	my ($self, $id, @msg) = @_;
1142		1662
1143	$msg{msgid} = $id;	1663	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1664	}
1147		1665
1148	=item $player->ext_event ($type, %msg)	1666	=item $player->ext_msg ($type, @msg)
1149		1667
1150	Sends an ext event to the client.	1668	Sends an ext event to the client.
1151		1669
1152	=cut	1670	=cut
1153		1671
1154	sub ext_event($$%) {	1672	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1673	my ($self, $type, @msg) = @_;
1156		1674
1157	$self->ns->ext_event ($type, %msg);	1675	$self->ns->ext_msg ($type, @msg);
1158	}	1676	}
1159		1677
1160	=head3 cf::region	1678	=head3 cf::region
1161		1679
1162	=over 4	1680	=over 4
…		…
1165		1683
1166	package cf::region;	1684	package cf::region;
1167		1685
1168	=item cf::region::find_by_path $path	1686	=item cf::region::find_by_path $path
1169		1687
1170	Tries to decuce the probable region for a map knowing only its path.	1688	Tries to decuce the likely region for a map knowing only its path.
1171		1689
1172	=cut	1690	=cut
1173		1691
1174	sub find_by_path($) {	1692	sub find_by_path($) {
1175	my ($path) = @_;	1693	my ($path) = @_;
1176		1694
1177	my ($match, $specificity);	1695	my ($match, $specificity);
1178		1696
1179	for my $region (list) {	1697	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1698	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1699	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1700	if $region->specificity > $specificity;
1183	}	1701	}
1184	}	1702	}
1185		1703
…		…
1206	our $MAX_RESET = 3600;	1724	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1725	our $DEFAULT_RESET = 3000;
1208		1726
1209	sub generate_random_map {	1727	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1728	my ($self, $rmp) = @_;
		1729
		1730	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1731
1211	# mit "rum" bekleckern, nicht	1732	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1733	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1734	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1735	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1736	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1770	my ($self, $merge) = @_;
1250		1771
1251	# we have to keep some variables in memory intact	1772	# we have to keep some variables in memory intact
1252	local $self->{path};	1773	local $self->{path};
1253	local $self->{load_path};	1774	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1775
1257	$self->SUPER::thawer_merge ($merge);	1776	$self->SUPER::thawer_merge ($merge);
1258	}	1777	}
1259		1778
1260	sub normalise {	1779	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1826	$self->init; # pass $1 etc.
1308	return $self;	1827	return $self;
1309	}	1828	}
1310	}	1829	}
1311		1830
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1831	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1832	()
1314	}	1833	}
1315		1834
1316	sub init {	1835	sub init {
1317	my ($self) = @_;	1836	my ($self) = @_;
…		…
1332		1851
1333	# the original (read-only) location	1852	# the original (read-only) location
1334	sub load_path {	1853	sub load_path {
1335	my ($self) = @_;	1854	my ($self) = @_;
1336		1855
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1856	"$MAPDIR/$self->{path}.map"
1338	}	1857	}
1339		1858
1340	# the temporary/swap location	1859	# the temporary/swap location
1341	sub save_path {	1860	sub save_path {
1342	my ($self) = @_;	1861	my ($self) = @_;
1343		1862
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1863	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1864	"$TMPDIR/$path.map"
1346	}	1865	}
1347		1866
1348	# the unique path, undef == no special unique path	1867	# the unique path, undef == no special unique path
1349	sub uniq_path {	1868	sub uniq_path {
1350	my ($self) = @_;	1869	my ($self) = @_;
1351		1870
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1871	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1872	"$UNIQUEDIR/$path"
1354	}	1873	}
1355		1874
1356	# and all this just because we cannot iterate over	1875	# and all this just because we cannot iterate over
1357	# all maps in C++...	1876	# all maps in C++...
1358	sub change_all_map_light {	1877	sub change_all_map_light {
…		…
1360		1879
1361	$_->change_map_light ($change)	1880	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1881	for grep $_->outdoor, values %cf::MAP;
1363	}	1882	}
1364		1883
		1884	sub decay_objects {
		1885	my ($self) = @_;
		1886
		1887	return if $self->{deny_reset};
		1888
		1889	$self->do_decay_objects;
		1890	}
		1891
1365	sub unlink_save {	1892	sub unlink_save {
1366	my ($self) = @_;	1893	my ($self) = @_;
1367		1894
1368	utf8::encode (my $save = $self->save_path);	1895	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1896	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1899
1373	sub load_header_from($) {	1900	sub load_header_from($) {
1374	my ($self, $path) = @_;	1901	my ($self, $path) = @_;
1375		1902
1376	utf8::encode $path;	1903	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1904	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1905	or return;
		1906
		1907	$self->_load_header ($f)
		1908	or return;
		1909
		1910	local $MAP_LOADING{$self->{path}} = $self;
		1911	$f->resolve_delayed_derefs;
1382		1912
1383	$self->{load_path} = $path;	1913	$self->{load_path} = $path;
1384		1914
1385	1	1915	1
1386	}	1916	}
…		…
1425	$self->load_header_orig	1955	$self->load_header_orig
1426	or return;	1956	or return;
1427	$self->prepare_orig;	1957	$self->prepare_orig;
1428	}	1958	}
1429		1959
		1960	$self->{deny_reset} = 1
		1961	if $self->no_reset;
		1962
1430	$self->default_region (cf::region::find_by_path $self->{path})	1963	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1964	unless $self->default_region;
1432		1965
1433	1	1966	1
1434	}	1967	}
…		…
1437	sub find {	1970	sub find {
1438	my ($path, $origin) = @_;	1971	my ($path, $origin) = @_;
1439		1972
1440	$path = normalise $path, $origin && $origin->path;	1973	$path = normalise $path, $origin && $origin->path;
1441		1974
		1975	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1976	cf::lock_wait "map_find:$path";
1443		1977
1444	$cf::MAP{$path} || do {	1978	$cf::MAP{$path} || do {
		1979	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1445	my $guard = cf::lock_acquire "map_find:$path";	1980	my $guard2 = cf::lock_acquire "map_find:$path";
		1981
1446	my $map = new_from_path cf::map $path	1982	my $map = new_from_path cf::map $path
1447	or return;	1983	or return;
1448		1984
1449	$map->{last_save} = $cf::RUNTIME;	1985	$map->{last_save} = $cf::RUNTIME;
1450		1986
1451	$map->load_header	1987	$map->load_header
1452	or return;	1988	or return;
1453		1989
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1990	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1991	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1992	#$cf::WAIT_FOR_TICK->wait;
		1993	undef $guard2;
		1994	undef $guard1;
1457	$map->reset;	1995	$map->reset;
1458	undef $guard;
1459	return find $path;	1996	return find $path;
1460	}	1997	}
1461		1998
1462	$cf::MAP{$path} = $map	1999	$cf::MAP{$path} = $map
1463	}	2000	}
…		…
1470	my ($self) = @_;	2007	my ($self) = @_;
1471		2008
1472	local $self->{deny_reset} = 1; # loading can take a long time	2009	local $self->{deny_reset} = 1; # loading can take a long time
1473		2010
1474	my $path = $self->{path};	2011	my $path = $self->{path};
		2012
		2013	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2014	my $guard = cf::lock_acquire "map_data:$path";
1476		2015
		2016	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2017	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2018
1479	$self->in_memory (cf::MAP_LOADING);	2019	$self->in_memory (cf::MAP_LOADING);
1480		2020
1481	$self->alloc;	2021	$self->alloc;
1482		2022
1483	$self->pre_load;	2023	$self->pre_load;
1484	Coro::cede;	2024	cf::cede_to_tick;
1485		2025
1486	$self->_load_objects ($self->{load_path}, 1)	2026	my $f = new_from_file cf::object::thawer $self->{load_path};
		2027	$f->skip_block;
		2028	$self->_load_objects ($f)
1487	or return;	2029	or return;
1488		2030
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2031	$self->post_load_original
1490	if delete $self->{load_original};	2032	if delete $self->{load_original};
1491		2033
1492	if (my $uniq = $self->uniq_path) {	2034	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2035	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2036	unless (aio_stat $uniq) {
		2037	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2038	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2039	$self->_load_objects ($f);
		2040	$f->resolve_delayed_derefs;
		2041	}
1497	}	2042	}
1498	}	2043	}
1499		2044
1500	Coro::cede;	2045	$f->resolve_delayed_derefs;
		2046
		2047	cf::cede_to_tick;
1501	# now do the right thing for maps	2048	# now do the right thing for maps
1502	$self->link_multipart_objects;	2049	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2050	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2051	unless $self->difficulty;
1513	Coro::cede;	2052	cf::cede_to_tick;
		2053
		2054	unless ($self->{deny_activate}) {
		2055	$self->decay_objects;
		2056	$self->fix_auto_apply;
		2057	$self->update_buttons;
		2058	cf::cede_to_tick;
		2059	$self->set_darkness_map;
		2060	cf::cede_to_tick;
1514	$self->activate;	2061	$self->activate;
1515	Coro::cede;	2062	}
		2063
		2064	$self->{last_save} = $cf::RUNTIME;
		2065	$self->last_access ($cf::RUNTIME);
		2066
		2067	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2068	}
1517		2069
1518	$self->post_load;	2070	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2071	}
1523		2072
1524	sub customise_for {	2073	sub customise_for {
1525	my ($self, $ob) = @_;	2074	my ($self, $ob) = @_;
1526		2075
1527	return find "~" . $ob->name . "/" . $self->{path}	2076	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2077	if $self->per_player;
1529		2078
		2079	# return find "?party/" . $ob->name . "/" . $self->{path}
		2080	# if $self->per_party;
		2081
1530	$self	2082	$self
1531	}	2083	}
1532		2084
1533	# find and load all maps in the 3x3 area around a map	2085	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2086	sub load_neighbours {
1535	my ($map) = @_;	2087	my ($map) = @_;
1536		2088
1537	my @diag; # diagonal neighbours	2089	my @neigh; # diagonal neighbours
1538		2090
1539	for (0 .. 3) {	2091	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2092	my $neigh = $map->tile_path ($_)
1541	or next;	2093	or next;
1542	$neigh = find $neigh, $map	2094	$neigh = find $neigh, $map
1543	or next;	2095	or next;
1544	$neigh->load;	2096	$neigh->load;
1545		2097
		2098	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2099	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2100	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2101	}
1549		2102
1550	for (@diag) {	2103	for (grep defined $_->[0], @neigh) {
		2104	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2105	my $neigh = find $path, $origin
1552	or next;	2106	or next;
1553	$neigh->load;	2107	$neigh->load;
1554	}	2108	}
1555	}	2109	}
1556		2110
…		…
1561	}	2115	}
1562		2116
1563	sub do_load_sync {	2117	sub do_load_sync {
1564	my ($map) = @_;	2118	my ($map) = @_;
1565		2119
		2120	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2121	if $Coro::current == $Coro::main;
		2122
1566	cf::sync_job { $map->load };	2123	cf::sync_job { $map->load };
1567	}	2124	}
1568		2125
1569	our %MAP_PREFETCH;	2126	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2127	our $MAP_PREFETCHER = undef;
1571		2128
1572	sub find_async {	2129	sub find_async {
1573	my ($path, $origin) = @_;	2130	my ($path, $origin, $load) = @_;
1574		2131
1575	$path = normalise $path, $origin && $origin->{path};	2132	$path = normalise $path, $origin && $origin->{path};
1576		2133
1577	if (my $map = $cf::MAP{$path}) {	2134	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2135	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2136	}
1580		2137
1581	undef $MAP_PREFETCH{$path};	2138	$MAP_PREFETCH{$path} |= $load;
		2139
1582	$MAP_PREFETCHER ||= cf::async {	2140	$MAP_PREFETCHER ||= cf::async {
		2141	$Coro::current->{desc} = "map prefetcher";
		2142
1583	while (%MAP_PREFETCH) {	2143	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2144	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2145	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2146	$map->load if $v;
		2147	}
1588		2148
1589	delete $MAP_PREFETCH{$path};	2149	delete $MAP_PREFETCH{$k};
1590	}	2150	}
1591	}	2151	}
1592	undef $MAP_PREFETCHER;	2152	undef $MAP_PREFETCHER;
1593	};	2153	};
1594	$MAP_PREFETCHER->prio (6);	2154	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2157	}
1598		2158
1599	sub save {	2159	sub save {
1600	my ($self) = @_;	2160	my ($self) = @_;
1601		2161
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2162	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2163
1604	$self->{last_save} = $cf::RUNTIME;	2164	$self->{last_save} = $cf::RUNTIME;
1605		2165
1606	return unless $self->dirty;	2166	return unless $self->dirty;
1607		2167
…		…
1613	return if $self->{deny_save};	2173	return if $self->{deny_save};
1614		2174
1615	local $self->{last_access} = $self->last_access;#d#	2175	local $self->{last_access} = $self->last_access;#d#
1616		2176
1617	cf::async {	2177	cf::async {
		2178	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2179	$_->contr->save for $self->players;
1619	};	2180	};
		2181
		2182	cf::get_slot 0.02;
1620		2183
1621	if ($uniq) {	2184	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2185	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2186	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2187	} else {
…		…
1630	my ($self) = @_;	2193	my ($self) = @_;
1631		2194
1632	# save first because save cedes	2195	# save first because save cedes
1633	$self->save;	2196	$self->save;
1634		2197
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2198	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2199
1637	return if $self->players;	2200	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2201	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2202	return if $self->{deny_save};
1640		2203
		2204	$self->in_memory (cf::MAP_SWAPPED);
		2205
		2206	$self->deactivate;
		2207	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2208	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2209	}
1644		2210
1645	sub reset_at {	2211	sub reset_at {
1646	my ($self) = @_;	2212	my ($self) = @_;
1647		2213
1648	# TODO: safety, remove and allow resettable per-player maps	2214	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2215	return 1e99 if $self->{deny_reset};
1651		2216
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2217	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2218	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2219
…		…
1665	my ($self) = @_;	2230	my ($self) = @_;
1666		2231
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2232	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2233
1669	return if $self->players;	2234	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2235
1672	warn "resetting map ", $self->path;#d#	2236	warn "resetting map ", $self->path;
1673		2237
1674	$self->in_memory (cf::MAP_SWAPPED);	2238	$self->in_memory (cf::MAP_SWAPPED);
1675		2239
1676	# need to save uniques path	2240	# need to save uniques path
1677	unless ($self->{deny_save}) {	2241	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2245	if $uniq;
1682	}	2246	}
1683		2247
1684	delete $cf::MAP{$self->path};	2248	delete $cf::MAP{$self->path};
1685		2249
		2250	$self->deactivate;
		2251	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2252	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2253
1690	$self->unlink_save;	2254	$self->unlink_save;
1691	$self->destroy;	2255	$self->destroy;
1692	}	2256	}
1693		2257
1694	my $nuke_counter = "aaaa";	2258	my $nuke_counter = "aaaa";
1695		2259
1696	sub nuke {	2260	sub nuke {
1697	my ($self) = @_;	2261	my ($self) = @_;
1698		2262
		2263	{
		2264	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2265
1699	delete $cf::MAP{$self->path};	2266	delete $cf::MAP{$self->path};
1700		2267
1701	$self->unlink_save;	2268	$self->unlink_save;
1702		2269
1703	bless $self, "cf::map";	2270	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2271	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2272	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2273	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2274	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2275
1709	$cf::MAP{$self->path} = $self;	2276	$cf::MAP{$self->path} = $self;
		2277	}
1710		2278
1711	$self->reset; # polite request, might not happen	2279	$self->reset; # polite request, might not happen
		2280	}
		2281
		2282	=item $maps = cf::map::tmp_maps
		2283
		2284	Returns an arrayref with all map paths of currently instantiated and saved
		2285	maps. May block.
		2286
		2287	=cut
		2288
		2289	sub tmp_maps() {
		2290	[
		2291	map {
		2292	utf8::decode $_;
		2293	/\.map$/
		2294	? normalise $_
		2295	: ()
		2296	} @{ aio_readdir $TMPDIR or [] }
		2297	]
		2298	}
		2299
		2300	=item $maps = cf::map::random_maps
		2301
		2302	Returns an arrayref with all map paths of currently instantiated and saved
		2303	random maps. May block.
		2304
		2305	=cut
		2306
		2307	sub random_maps() {
		2308	[
		2309	map {
		2310	utf8::decode $_;
		2311	/\.map$/
		2312	? normalise "?random/$_"
		2313	: ()
		2314	} @{ aio_readdir $RANDOMDIR or [] }
		2315	]
1712	}	2316	}
1713		2317
1714	=item cf::map::unique_maps	2318	=item cf::map::unique_maps
1715		2319
1716	Returns an arrayref of paths of all shared maps that have	2320	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2321	instantiated unique items. May block.
1718		2322
1719	=cut	2323	=cut
1720		2324
1721	sub unique_maps() {	2325	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2326	[
1723	or return;	2327	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2328	utf8::decode $_;
1729	next if /\.pst$/;	2329	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2330	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2331	? ()
1732	push @paths, cf::map::normalise $_;	2332	: normalise $_
		2333	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2334	]
1734
1735	\@paths
1736	}	2335	}
1737
1738	package cf;
1739		2336
1740	=back	2337	=back
1741		2338
1742	=head3 cf::object	2339	=head3 cf::object
1743		2340
…		…
1747		2344
1748	=over 4	2345	=over 4
1749		2346
1750	=item $ob->inv_recursive	2347	=item $ob->inv_recursive
1751		2348
1752	Returns the inventory of the object _and_ their inventories, recursively.	2349	Returns the inventory of the object I<and> their inventories, recursively,
		2350	but I<not> the object itself.
1753		2351
1754	=cut	2352	=cut
1755		2353
1756	sub inv_recursive_;	2354	sub inv_recursive_;
1757	sub inv_recursive_ {	2355	sub inv_recursive_ {
…		…
1760		2358
1761	sub inv_recursive {	2359	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2360	inv_recursive_ inv $_[0]
1763	}	2361	}
1764		2362
		2363	=item $ref = $ob->ref
		2364
		2365	Creates and returns a persistent reference to an object that can be stored as a string.
		2366
		2367	=item $ob = cf::object::deref ($refstring)
		2368
		2369	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2370	even if the object actually exists. May block.
		2371
		2372	=cut
		2373
		2374	sub deref {
		2375	my ($ref) = @_;
		2376
		2377	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2378	my ($uuid, $name) = ($1, $2);
		2379	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2380	or return;
		2381	$pl->ob->uuid eq $uuid
		2382	or return;
		2383
		2384	$pl->ob
		2385	} else {
		2386	warn "$ref: cannot resolve object reference\n";
		2387	undef
		2388	}
		2389	}
		2390
1765	package cf;	2391	package cf;
1766		2392
1767	=back	2393	=back
1768		2394
1769	=head3 cf::object::player	2395	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2401	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1776	can be C<undef>. Does the right thing when the player is currently in a	2402	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2403	dialogue with the given NPC character.
1778		2404
1779	=cut	2405	=cut
		2406
		2407	our $SAY_CHANNEL = {
		2408	id => "say",
		2409	title => "Map",
		2410	reply => "say ",
		2411	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2412	};
		2413
		2414	our $CHAT_CHANNEL = {
		2415	id => "chat",
		2416	title => "Chat",
		2417	reply => "chat ",
		2418	tooltip => "Player chat and shouts, global to the server.",
		2419	};
1780		2420
1781	# rough implementation of a future "reply" method that works	2421	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2422	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2423	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2424	sub cf::object::player::reply($$$;$) {
…		…
1786		2426
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2427	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2428
1789	if ($self->{record_replies}) {	2429	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2430	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2431
1791	} else {	2432	} else {
		2433	my $pl = $self->contr;
		2434
		2435	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2436	my $dialog = $pl->{npc_dialog};
		2437	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2438
		2439	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2440	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2441	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2442	}
1794	}	2443	}
		2444	}
		2445
		2446	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2447
		2448	=cut
		2449
		2450	sub cf::object::send_msg {
		2451	my $pl = shift->contr
		2452	or return;
		2453	$pl->send_msg (@_);
1795	}	2454	}
1796		2455
1797	=item $player_object->may ("access")	2456	=item $player_object->may ("access")
1798		2457
1799	Returns wether the given player is authorized to access resource "access"	2458	Returns wether the given player is authorized to access resource "access"
…		…
1812		2471
1813	=item $player_object->enter_link	2472	=item $player_object->enter_link
1814		2473
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2474	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2475
1817	The player should be reasonably safe there for short amounts of time. You	2476	The player should be reasonably safe there for short amounts of time (e.g.
1818	I<MUST> call C<leave_link> as soon as possible, though.	2477	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2478	though, as the palyer cannot control the character while it is on the link
		2479	map.
1819		2480
1820	Will never block.	2481	Will never block.
1821		2482
1822	=item $player_object->leave_link ($map, $x, $y)	2483	=item $player_object->leave_link ($map, $x, $y)
1823		2484
…		…
1846	$self->deactivate_recursive;	2507	$self->deactivate_recursive;
1847		2508
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2509	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2510
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2511	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2512	if $self->map && $self->map->{path} ne "{link}";
1852		2513
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2514	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2515	}
1855		2516
1856	sub cf::object::player::leave_link {	2517	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2518	my ($self, $map, $x, $y) = @_;
		2519
		2520	return unless $self->contr->active;
1858		2521
1859	my $link_pos = delete $self->{_link_pos};	2522	my $link_pos = delete $self->{_link_pos};
1860		2523
1861	unless ($map) {	2524	unless ($map) {
1862	# restore original map position	2525	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2539	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2540	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2541	if $x <=0 && $y <= 0;
1879		2542
1880	$map->load;	2543	$map->load;
1881	$map->load_diag;	2544	$map->load_neighbours;
1882		2545
1883	return unless $self->contr->active;	2546	return unless $self->contr->active;
		2547	$self->flag (cf::FLAG_DEBUG, 0);#d# temp
1884	$self->activate_recursive;	2548	$self->activate_recursive;
1885		2549
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2550	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2551	$self->enter_map ($map, $x, $y);
1888	}	2552	}
1889		2553
1890	cf::player->attach (	2554	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2555
1894	# abort map switching before logout	2556	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2557	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2558	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2559	the new (success) or old (failed) map position. In either case, $done will
1898	};	2560	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2561
1904	# try to abort aborted map switching on player login :)	2562	Note that $check will be called with a potentially non-loaded map, so if
1905	# should happen only on crashes	2563	it needs a loaded map it has to call C<< ->load >>.
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921		2564
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2565	=cut
		2566
		2567	our $GOTOGEN;
1925		2568
1926	sub cf::object::player::goto {	2569	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2570	my ($self, $path, $x, $y, $check, $done) = @_;
		2571
		2572	# do generation counting so two concurrent goto's will be executed in-order
		2573	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2574
1929	$self->enter_link;	2575	$self->enter_link;
1930		2576
1931	(async {	2577	(async {
		2578	$Coro::current->{desc} = "player::goto $path $x $y";
		2579
		2580	# *tag paths override both path and x|y
		2581	if ($path =~ /^\*(.*)$/) {
		2582	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2583	my $ob = $obs[rand @obs];
		2584
		2585	# see if we actually can go there
		2586	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2587	$ob = $obs[rand @obs];
		2588	} else {
		2589	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	}
		2591	# else put us there anyways for now #d#
		2592
		2593	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2594	} else {
		2595	($path, $x, $y) = (undef, undef, undef);
		2596	}
		2597	}
		2598
1932	my $map = eval {	2599	my $map = eval {
1933	my $map = cf::map::find $path;	2600	my $map = defined $path ? cf::map::find $path : undef;
		2601
		2602	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2603	$map = $map->customise_for ($self);
		2604	$map = $check->($map) if $check && $map;
		2605	} else {
		2606	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2607	}
		2608
1935	$map	2609	$map
		2610	};
		2611
		2612	if ($@) {
		2613	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2614	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2615	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2616
		2617	if ($gen == $self->{_goto_generation}) {
		2618	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2619	$self->leave_link ($map, $x, $y);
		2620	}
		2621
		2622	$done->() if $done;
1940	})->prio (1);	2623	})->prio (1);
1941	}	2624	}
1942		2625
1943	=item $player_object->enter_exit ($exit_object)	2626	=item $player_object->enter_exit ($exit_object)
1944		2627
…		…
1964	}	2647	}
1965		2648
1966	sub prepare_random_map {	2649	sub prepare_random_map {
1967	my ($exit) = @_;	2650	my ($exit) = @_;
1968		2651
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2652	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2653	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2654	# that depends on the exit object
1974		2655
1975	my $rmp = parse_random_map_params $exit->msg;	2656	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2658	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2659	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2660	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2661	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2662	$rmp->{origin_y} = $exit->y;
		2663
		2664	$exit->map->touch;
1982	}	2665	}
1983		2666
1984	$rmp->{random_seed} ||= $exit->random_seed;	2667	$rmp->{random_seed} ||= $exit->random_seed;
1985		2668
1986	my $data = cf::to_json $rmp;	2669	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2670	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2671	my $meta = "$RANDOMDIR/$md5.meta";
1989		2672
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2673	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2674	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2675	undef $fh;
1993	aio_rename "$meta~", $meta;	2676	aio_rename "$meta~", $meta;
1994		2677
		2678	my $slaying = "?random/$md5";
		2679
		2680	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2681	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2682	$exit->msg (undef);
		2683	}
1997	}	2684	}
1998	}	2685	}
1999		2686
2000	sub cf::object::player::enter_exit {	2687	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2688	my ($self, $exit) = @_;
2002		2689
2003	return unless $self->type == cf::PLAYER;	2690	return unless $self->type == cf::PLAYER;
2004		2691
2005	if ($exit->slaying eq "/!") {
2006	#TODO: this should de-fi-ni-te-ly not be a sync-job
2007	# the problem is that $exit might not survive long enough
2008	# so it needs to be done right now, right here
2009	cf::sync_job { prepare_random_map $exit };
2010	}
2011
2012	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
2013	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;
2015
2016	$self->enter_link;	2692	$self->enter_link;
2017		2693
2018	(async {	2694	(async {
2019	$self->deactivate_recursive; # just to be sure	2695	$Coro::current->{desc} = "enter_exit";
		2696
2020	unless (eval {	2697	unless (eval {
		2698	$self->deactivate_recursive; # just to be sure
		2699
		2700	# random map handling
		2701	{
		2702	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2703
		2704	prepare_random_map $exit
		2705	if $exit->slaying eq "/!";
		2706	}
		2707
		2708	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2709	my $x = $exit->stats->hp;
		2710	my $y = $exit->stats->sp;
		2711
2021	$self->goto ($slaying, $hp, $sp);	2712	$self->goto ($map, $x, $y);
2022		2713
		2714	# if exit is damned, update players death & WoR home-position
		2715	$self->contr->savebed ($map, $x, $y)
		2716	if $exit->flag (cf::FLAG_DAMNED);
		2717
2023	1;	2718	1
2024	}) {	2719	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2720	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2721	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2722	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2723	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2724
2030	warn "ERROR in enter_exit: $@";	2725	warn "ERROR in enter_exit: $@";
…		…
2049		2744
2050	utf8::encode $text;	2745	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2746	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2747	}
2053		2748
		2749	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2750
		2751	Send a drawinfo or msg packet to the client, formatting the msg for the
		2752	client if neccessary. C<$type> should be a string identifying the type of
		2753	the message, with C<log> being the default. If C<$color> is negative, suppress
		2754	the message unless the client supports the msg packet.
		2755
		2756	=cut
		2757
		2758	# non-persistent channels (usually the info channel)
		2759	our %CHANNEL = (
		2760	"c/identify" => {
		2761	id => "infobox",
		2762	title => "Identify",
		2763	reply => undef,
		2764	tooltip => "Items recently identified",
		2765	},
		2766	"c/examine" => {
		2767	id => "infobox",
		2768	title => "Examine",
		2769	reply => undef,
		2770	tooltip => "Signs and other items you examined",
		2771	},
		2772	"c/book" => {
		2773	id => "infobox",
		2774	title => "Book",
		2775	reply => undef,
		2776	tooltip => "The contents of a note or book",
		2777	},
		2778	"c/lookat" => {
		2779	id => "infobox",
		2780	title => "Look",
		2781	reply => undef,
		2782	tooltip => "What you saw there",
		2783	},
		2784	"c/who" => {
		2785	id => "infobox",
		2786	title => "Players",
		2787	reply => undef,
		2788	tooltip => "Shows players who are currently online",
		2789	},
		2790	"c/body" => {
		2791	id => "infobox",
		2792	title => "Body Parts",
		2793	reply => undef,
		2794	tooltip => "Shows which body parts you posess and are available",
		2795	},
		2796	"c/skills" => {
		2797	id => "infobox",
		2798	title => "Skills",
		2799	reply => undef,
		2800	tooltip => "Shows your experience per skill and item power",
		2801	},
		2802	"c/uptime" => {
		2803	id => "infobox",
		2804	title => "Uptime",
		2805	reply => undef,
		2806	tooltip => "How long the server has been running since last restart",
		2807	},
		2808	"c/mapinfo" => {
		2809	id => "infobox",
		2810	title => "Map Info",
		2811	reply => undef,
		2812	tooltip => "Information related to the maps",
		2813	},
		2814	"c/party" => {
		2815	id => "party",
		2816	title => "Party",
		2817	reply => "gsay ",
		2818	tooltip => "Messages and chat related to your party",
		2819	},
		2820	);
		2821
		2822	sub cf::client::send_msg {
		2823	my ($self, $channel, $msg, $color, @extra) = @_;
		2824
		2825	$msg = $self->pl->expand_cfpod ($msg)
		2826	unless $color & cf::NDI_VERBATIM;
		2827
		2828	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2829
		2830	# check predefined channels, for the benefit of C
		2831	if ($CHANNEL{$channel}) {
		2832	$channel = $CHANNEL{$channel};
		2833
		2834	$self->ext_msg (channel_info => $channel)
		2835	if $self->can_msg;
		2836
		2837	$channel = $channel->{id};
		2838
		2839	} elsif (ref $channel) {
		2840	# send meta info to client, if not yet sent
		2841	unless (exists $self->{channel}{$channel->{id}}) {
		2842	$self->{channel}{$channel->{id}} = $channel;
		2843	$self->ext_msg (channel_info => $channel)
		2844	if $self->can_msg;
		2845	}
		2846
		2847	$channel = $channel->{id};
		2848	}
		2849
		2850	return unless @extra || length $msg;
		2851
		2852	if ($self->can_msg) {
		2853	# default colour, mask it out
		2854	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2855	if $color & cf::NDI_DEF;
		2856
		2857	my $pkt = "msg "
		2858	. $self->{json_coder}->encode (
		2859	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2860	);
		2861
		2862	# try lzf for large packets
		2863	$pkt = "lzf " . Compress::LZF::compress $pkt
		2864	if 1024 <= length $pkt and $self->{can_lzf};
		2865
		2866	# split very large packets
		2867	if (8192 < length $pkt and $self->{can_lzf}) {
		2868	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2869	$pkt = "frag";
		2870	}
		2871
		2872	$self->send_packet ($pkt);
		2873	} else {
		2874	if ($color >= 0) {
		2875	# replace some tags by gcfclient-compatible ones
		2876	for ($msg) {
		2877	1 while
		2878	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2879	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2880	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2881	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2882	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2883	}
		2884
		2885	$color &= cf::NDI_COLOR_MASK;
		2886
		2887	utf8::encode $msg;
		2888
		2889	if (0 && $msg =~ /\[/) {
		2890	# COMMAND/INFO
		2891	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2892	} else {
		2893	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2894	$self->send_packet ("drawinfo $color $msg")
		2895	}
		2896	}
		2897	}
		2898	}
		2899
2054	=item $client->ext_event ($type, %msg)	2900	=item $client->ext_msg ($type, @msg)
2055		2901
2056	Sends an exti event to the client.	2902	Sends an ext event to the client.
2057		2903
2058	=cut	2904	=cut
2059		2905
2060	sub cf::client::ext_event($$%) {	2906	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2907	my ($self, $type, @msg) = @_;
2062		2908
		2909	if ($self->extcmd == 2) {
		2910	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2911	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2912	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2913	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2914	}
		2915	}
		2916
		2917	=item $client->ext_reply ($msgid, @msg)
		2918
		2919	Sends an ext reply to the client.
		2920
		2921	=cut
		2922
		2923	sub cf::client::ext_reply($$@) {
		2924	my ($self, $id, @msg) = @_;
		2925
		2926	if ($self->extcmd == 2) {
		2927	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2928	} elsif ($self->extcmd == 1) {
		2929	#TODO: version 1, remove
		2930	unshift @msg, msgtype => "reply", msgid => $id;
		2931	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2932	}
2065	}	2933	}
2066		2934
2067	=item $success = $client->query ($flags, "text", \&cb)	2935	=item $success = $client->query ($flags, "text", \&cb)
2068		2936
2069	Queues a query to the client, calling the given callback with	2937	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2938	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2939	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2940
2073	Queries can fail, so check the return code. Or don't, as queries will become	2941	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2942	become reliable at some point in the future.
2075		2943
2076	=cut	2944	=cut
2077		2945
2078	sub cf::client::query {	2946	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2947	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2955	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2956	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2957
2090	$self->send_packet ($self->{query_queue}[0][0])	2958	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2959	if @{ $self->{query_queue} } == 1;
		2960
		2961	1
2092	}	2962	}
2093		2963
2094	cf::client->attach (	2964	cf::client->attach (
		2965	on_connect => sub {
		2966	my ($ns) = @_;
		2967
		2968	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2969	},
2095	on_reply => sub {	2970	on_reply => sub {
2096	my ($ns, $msg) = @_;	2971	my ($ns, $msg) = @_;
2097		2972
2098	# this weird shuffling is so that direct followup queries	2973	# this weird shuffling is so that direct followup queries
2099	# get handled first	2974	# get handled first
…		…
2111	} else {	2986	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2987	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2988	}
2114	}	2989	}
2115	},	2990	},
		2991	on_exticmd => sub {
		2992	my ($ns, $buf) = @_;
		2993
		2994	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2995
		2996	if (ref $msg) {
		2997	my ($type, $reply, @payload) =
		2998	"ARRAY" eq ref $msg
		2999	? @$msg
		3000	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3001
		3002	my @reply;
		3003
		3004	if (my $cb = $EXTICMD{$type}) {
		3005	@reply = $cb->($ns, @payload);
		3006	}
		3007
		3008	$ns->ext_reply ($reply, @reply)
		3009	if $reply;
		3010
		3011	} else {
		3012	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3013	}
		3014
		3015	cf::override;
		3016	},
2116	);	3017	);
2117		3018
2118	=item $client->async (\&cb)	3019	=item $client->async (\&cb)
2119		3020
2120	Create a new coroutine, running the specified callback. The coroutine will	3021	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3062	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3063	our $safe_hole = new Safe::Hole;
2163		3064
2164	$SIG{FPE} = 'IGNORE';	3065	$SIG{FPE} = 'IGNORE';
2165		3066
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3067	$safe->permit_only (Opcode::opset qw(
		3068	:base_core :base_mem :base_orig :base_math
		3069	grepstart grepwhile mapstart mapwhile
		3070	sort time
		3071	));
2167		3072
2168	# here we export the classes and methods available to script code	3073	# here we export the classes and methods available to script code
2169		3074
2170	=pod	3075	=pod
2171		3076
2172	The following functions and methods are available within a safe environment:	3077	The following functions and methods are available within a safe environment:
2173		3078
2174	cf::object contr pay_amount pay_player map	3079	cf::object
		3080	contr pay_amount pay_player map x y force_find force_add destroy
		3081	insert remove name archname title slaying race decrease split
		3082
2175	cf::object::player player	3083	cf::object::player
2176	cf::player peaceful	3084	player
2177	cf::map trigger	3085
		3086	cf::player
		3087	peaceful
		3088
		3089	cf::map
		3090	trigger
2178		3091
2179	=cut	3092	=cut
2180		3093
2181	for (	3094	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3095	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3096	insert remove inv nrof name archname title slaying race
		3097	decrease split destroy change_exp)],
2183	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2186	) {	3101	) {
2187	no strict 'refs';	3102	no strict 'refs';
…		…
2258	=back	3173	=back
2259		3174
2260	=cut	3175	=cut
2261		3176
2262	#############################################################################	3177	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3178	# the server's init and main functions
2336		3179
2337	sub load_facedata {	3180	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3181	my ($path) = @_;
		3182
		3183	# HACK to clear player env face cache, we need some signal framework
		3184	# for this (global event?)
		3185	%ext::player_env::MUSIC_FACE_CACHE = ();
		3186
		3187	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3188
2340	warn "loading facedata from $path\n";	3189	warn "loading facedata from $path\n";
2341		3190
2342	my $facedata;	3191	my $facedata;
2343	0 < aio_load $path, $facedata	3192	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3195	$facedata = Coro::Storable::thaw $facedata;
2347		3196
2348	$facedata->{version} == 2	3197	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3198	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3199
		3200	# patch in the exptable
		3201	$facedata->{resource}{"res/exp_table"} = {
		3202	type => FT_RSRC,
		3203	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3204	};
		3205	cf::cede_to_tick;
		3206
2351	{	3207	{
2352	my $faces = $facedata->{faceinfo};	3208	my $faces = $facedata->{faceinfo};
2353		3209
2354	while (my ($face, $info) = each %$faces) {	3210	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3211	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3212
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3213	cf::face::set_visibility $idx, $info->{visibility};
		3214	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3215	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3216	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3217
		3218	cf::cede_to_tick;
2360	}	3219	}
2361		3220
2362	while (my ($face, $info) = each %$faces) {	3221	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3222	next unless $info->{smooth};
		3223
2364	my $idx = cf::face::find $face	3224	my $idx = cf::face::find $face
2365	or next;	3225	or next;
		3226
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3227	if (my $smooth = cf::face::find $info->{smooth}) {
		3228	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3229	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3230	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3231	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3232	}
2371	Coro::cede;	3233
		3234	cf::cede_to_tick;
2372	}	3235	}
2373	}	3236	}
2374		3237
2375	{	3238	{
2376	my $anims = $facedata->{animinfo};	3239	my $anims = $facedata->{animinfo};
2377		3240
2378	while (my ($anim, $info) = each %$anims) {	3241	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3242	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3243	cf::cede_to_tick;
2381	}	3244	}
2382		3245
2383	cf::anim::invalidate_all; # d'oh	3246	cf::anim::invalidate_all; # d'oh
2384	}	3247	}
2385		3248
		3249	{
		3250	# TODO: for gcfclient pleasure, we should give resources
		3251	# that gcfclient doesn't grok a >10000 face index.
		3252	my $res = $facedata->{resource};
		3253
		3254	while (my ($name, $info) = each %$res) {
		3255	if (defined $info->{type}) {
		3256	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3257	my $data;
		3258
		3259	if ($info->{type} & 1) {
		3260	# prepend meta info
		3261
		3262	my $meta = $enc->encode ({
		3263	name => $name,
		3264	%{ $info->{meta} || {} },
		3265	});
		3266
		3267	$data = pack "(w/a*)*", $meta, $info->{data};
		3268	} else {
		3269	$data = $info->{data};
		3270	}
		3271
		3272	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3273	cf::face::set_type $idx, $info->{type};
		3274	} else {
		3275	$RESOURCE{$name} = $info;
		3276	}
		3277
		3278	cf::cede_to_tick;
		3279	}
		3280	}
		3281
		3282	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3283
2386	1	3284	1
2387	}	3285	}
2388		3286
		3287	cf::global->attach (on_resource_update => sub {
		3288	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3289	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3290
		3291	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3292	my $sound = $soundconf->{compat}[$_]
		3293	or next;
		3294
		3295	my $face = cf::face::find "sound/$sound->[1]";
		3296	cf::sound::set $sound->[0] => $face;
		3297	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3298	}
		3299
		3300	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3301	my $face = cf::face::find "sound/$v";
		3302	cf::sound::set $k => $face;
		3303	}
		3304	}
		3305	});
		3306
		3307	register_exticmd fx_want => sub {
		3308	my ($ns, $want) = @_;
		3309
		3310	while (my ($k, $v) = each %$want) {
		3311	$ns->fx_want ($k, $v);
		3312	}
		3313	};
		3314
		3315	sub load_resource_file($) {
		3316	my $guard = lock_acquire "load_resource_file";
		3317
		3318	my $status = load_resource_file_ $_[0];
		3319	get_slot 0.1, 100;
		3320	cf::arch::commit_load;
		3321
		3322	$status
		3323	}
		3324
		3325	sub reload_regions {
		3326	# HACK to clear player env face cache, we need some signal framework
		3327	# for this (global event?)
		3328	%ext::player_env::MUSIC_FACE_CACHE = ();
		3329
		3330	load_resource_file "$MAPDIR/regions"
		3331	or die "unable to load regions file\n";
		3332
		3333	for (cf::region::list) {
		3334	$_->{match} = qr/$_->{match}/
		3335	if exists $_->{match};
		3336	}
		3337	}
		3338
		3339	sub reload_facedata {
		3340	load_facedata "$DATADIR/facedata"
		3341	or die "unable to load facedata\n";
		3342	}
		3343
2389	sub load_archetypes {	3344	sub reload_archetypes {
2390	load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable	3345	load_resource_file "$DATADIR/archetypes"
2391	load_archetype_file sprintf "%s/archetypes", cf::datadir	3346	or die "unable to load archetypes\n";
2392	}	3347	}
2393		3348
2394	sub load_treasures {	3349	sub reload_treasures {
2395	load_treasure_file sprintf "%s/treasures", cf::datadir	3350	load_resource_file "$DATADIR/treasures"
		3351	or die "unable to load treasurelists\n";
2396	}	3352	}
2397		3353
2398	sub reload_resources {	3354	sub reload_resources {
2399	warn "reloading resource files...\n";	3355	warn "reloading resource files...\n";
2400		3356
2401	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2402	or die "unable to load regions file\n";
2403	load_facedata	3357	reload_facedata;
2404	or die "unable to load facedata\n";
2405	load_archetypes	3358	reload_archetypes;
2406	or die "unable to load archetypes\n";	3359	reload_regions;
2407	load_treasures	3360	reload_treasures;
2408	or die "unable to load treasurelists\n";
2409		3361
2410	warn "finished reloading resource files\n";	3362	warn "finished reloading resource files\n";
2411	}	3363	}
2412		3364
2413	sub init {	3365	sub reload_config {
2414	reload_resources;
2415	}
2416
2417	sub cfg_load {
2418	open my $fh, "<:utf8", cf::confdir . "/config"	3366	open my $fh, "<:utf8", "$CONFDIR/config"
2419	or return;	3367	or return;
2420		3368
2421	local $/;	3369	local $/;
2422	*CFG = YAML::Syck::Load <$fh>;	3370	*CFG = YAML::Load <$fh>;
2423		3371
2424	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3372	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2425		3373
2426	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3374	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2427	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3375	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2433	};	3381	};
2434	warn $@ if $@;	3382	warn $@ if $@;
2435	}	3383	}
2436	}	3384	}
2437		3385
		3386	sub pidfile() {
		3387	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3388	or die "$PIDFILE: $!";
		3389	flock $fh, &Fcntl::LOCK_EX
		3390	or die "$PIDFILE: flock: $!";
		3391	$fh
		3392	}
		3393
		3394	# make sure only one server instance is running at any one time
		3395	sub atomic {
		3396	my $fh = pidfile;
		3397
		3398	my $pid = <$fh>;
		3399	kill 9, $pid if $pid > 0;
		3400
		3401	seek $fh, 0, 0;
		3402	print $fh $$;
		3403	}
		3404
2438	sub main {	3405	sub main {
		3406	cf::init_globals; # initialise logging
		3407
		3408	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3409	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3410	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3411	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3412
		3413	cf::init_experience;
		3414	cf::init_anim;
		3415	cf::init_attackmess;
		3416	cf::init_dynamic;
		3417	cf::init_block;
		3418
		3419	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3420
2439	# we must not ever block the main coroutine	3421	# we must not ever block the main coroutine
2440	local $Coro::idle = sub {	3422	local $Coro::idle = sub {
2441	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3423	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2442	(async {	3424	(async {
2443	Event::one_event;	3425	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3426	EV::loop EV::LOOP_ONESHOT;
2444	})->prio (Coro::PRIO_MAX);	3427	})->prio (Coro::PRIO_MAX);
2445	};	3428	};
2446		3429
2447	cfg_load;	3430	evthread_start IO::AIO::poll_fileno;
		3431
		3432	cf::sync_job {
		3433	reload_resources;
		3434	reload_config;
2448	db_init;	3435	db_init;
		3436
		3437	cf::load_settings;
		3438	cf::load_materials;
		3439	cf::init_uuid;
		3440	cf::init_signals;
		3441	cf::init_commands;
		3442	cf::init_skills;
		3443
		3444	cf::init_beforeplay;
		3445
		3446	atomic;
		3447
2449	load_extensions;	3448	load_extensions;
2450		3449
2451	$TICK_WATCHER->start;	3450	utime time, time, $RUNTIMEFILE;
		3451
		3452	# no (long-running) fork's whatsoever before this point(!)
		3453	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3454
		3455	(pop @POST_INIT)->(0) while @POST_INIT;
		3456	};
		3457
2452	Event::loop;	3458	EV::loop;
2453	}	3459	}
2454		3460
2455	#############################################################################	3461	#############################################################################
2456	# initialisation and cleanup	3462	# initialisation and cleanup
2457		3463
2458	# install some emergency cleanup handlers	3464	# install some emergency cleanup handlers
2459	BEGIN {	3465	BEGIN {
		3466	our %SIGWATCHER = ();
2460	for my $signal (qw(INT HUP TERM)) {	3467	for my $signal (qw(INT HUP TERM)) {
2461	Event->signal (	3468	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2462	reentrant => 0,
2463	data => WF_AUTOCANCEL,
2464	signal => $signal,
2465	prio => 0,
2466	cb => sub {
2467	cf::cleanup "SIG$signal";	3469	cf::cleanup "SIG$signal";
2468	},
2469	);	3470	};
		3471	}
		3472	}
		3473
		3474	sub write_runtime_sync {
		3475	# first touch the runtime file to show we are still running:
		3476	# the fsync below can take a very very long time.
		3477
		3478	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3479
		3480	my $guard = cf::lock_acquire "write_runtime";
		3481
		3482	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3483	or return;
		3484
		3485	my $value = $cf::RUNTIME + 90 + 10;
		3486	# 10 is the runtime save interval, for a monotonic clock
		3487	# 60 allows for the watchdog to kill the server.
		3488
		3489	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3490	and return;
		3491
		3492	# always fsync - this file is important
		3493	aio_fsync $fh
		3494	and return;
		3495
		3496	# touch it again to show we are up-to-date
		3497	aio_utime $fh, undef, undef;
		3498
		3499	close $fh
		3500	or return;
		3501
		3502	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3503	and return;
		3504
		3505	warn "runtime file written.\n";
		3506
2470	}	3507	1
		3508	}
		3509
		3510	our $uuid_lock;
		3511	our $uuid_skip;
		3512
		3513	sub write_uuid_sync($) {
		3514	$uuid_skip ||= $_[0];
		3515
		3516	return if $uuid_lock;
		3517	local $uuid_lock = 1;
		3518
		3519	my $uuid = "$LOCALDIR/uuid";
		3520
		3521	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3522	or return;
		3523
		3524	my $value = uuid_seq uuid_cur;
		3525
		3526	unless ($value) {
		3527	warn "cowardly refusing to write zero uuid value!\n";
		3528	return;
		3529	}
		3530
		3531	my $value = uuid_str $value + $uuid_skip;
		3532	$uuid_skip = 0;
		3533
		3534	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3535	and return;
		3536
		3537	# always fsync - this file is important
		3538	aio_fsync $fh
		3539	and return;
		3540
		3541	close $fh
		3542	or return;
		3543
		3544	aio_rename "$uuid~", $uuid
		3545	and return;
		3546
		3547	warn "uuid file written ($value).\n";
		3548
		3549	1
		3550
		3551	}
		3552
		3553	sub write_uuid($$) {
		3554	my ($skip, $sync) = @_;
		3555
		3556	$sync ? write_uuid_sync $skip
		3557	: async { write_uuid_sync $skip };
2471	}	3558	}
2472		3559
2473	sub emergency_save() {	3560	sub emergency_save() {
2474	my $freeze_guard = cf::freeze_mainloop;	3561	my $freeze_guard = cf::freeze_mainloop;
2475		3562
…		…
2481	# and maps saved/destroyed asynchronously.	3568	# and maps saved/destroyed asynchronously.
2482	warn "begin emergency player save\n";	3569	warn "begin emergency player save\n";
2483	for my $login (keys %cf::PLAYER) {	3570	for my $login (keys %cf::PLAYER) {
2484	my $pl = $cf::PLAYER{$login} or next;	3571	my $pl = $cf::PLAYER{$login} or next;
2485	$pl->valid or next;	3572	$pl->valid or next;
		3573	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2486	$pl->save;	3574	$pl->save;
2487	}	3575	}
2488	warn "end emergency player save\n";	3576	warn "end emergency player save\n";
2489		3577
2490	warn "begin emergency map save\n";	3578	warn "begin emergency map save\n";
…		…
2496	warn "end emergency map save\n";	3584	warn "end emergency map save\n";
2497		3585
2498	warn "begin emergency database checkpoint\n";	3586	warn "begin emergency database checkpoint\n";
2499	BDB::db_env_txn_checkpoint $DB_ENV;	3587	BDB::db_env_txn_checkpoint $DB_ENV;
2500	warn "end emergency database checkpoint\n";	3588	warn "end emergency database checkpoint\n";
		3589
		3590	warn "begin write uuid\n";
		3591	write_uuid_sync 1;
		3592	warn "end write uuid\n";
2501	};	3593	};
2502		3594
2503	warn "leave emergency perl save\n";	3595	warn "leave emergency perl save\n";
2504	}	3596	}
2505		3597
2506	sub post_cleanup {	3598	sub post_cleanup {
2507	my ($make_core) = @_;	3599	my ($make_core) = @_;
2508		3600
2509	warn Carp::longmess "post_cleanup backtrace"	3601	warn Carp::longmess "post_cleanup backtrace"
2510	if $make_core;	3602	if $make_core;
2511	}
2512		3603
		3604	my $fh = pidfile;
		3605	unlink $PIDFILE if <$fh> == $$;
		3606	}
		3607
		3608	# a safer delete_package, copied from Symbol
		3609	sub clear_package($) {
		3610	my $pkg = shift;
		3611
		3612	# expand to full symbol table name if needed
		3613	unless ($pkg =~ /^main::.*::$/) {
		3614	$pkg = "main$pkg" if $pkg =~ /^::/;
		3615	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3616	$pkg .= '::' unless $pkg =~ /::$/;
		3617	}
		3618
		3619	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3620	my $stem_symtab = *{$stem}{HASH};
		3621
		3622	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3623	or return;
		3624
		3625	# clear all symbols
		3626	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3627	for my $name (keys %$leaf_symtab) {
		3628	_gv_clear *{"$pkg$name"};
		3629	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3630	}
		3631	warn "cleared package $pkg\n";#d#
		3632	}
		3633
2513	sub reload() {	3634	sub do_reload_perl() {
2514	# can/must only be called in main	3635	# can/must only be called in main
2515	if ($Coro::current != $Coro::main) {	3636	if ($Coro::current != $Coro::main) {
2516	warn "can only reload from main coroutine";	3637	warn "can only reload from main coroutine";
2517	return;	3638	return;
2518	}	3639	}
2519		3640
		3641	return if $RELOAD++;
		3642
		3643	while ($RELOAD) {
2520	warn "reloading...";	3644	warn "reloading...";
2521		3645
2522	warn "entering sync_job";	3646	warn "entering sync_job";
2523		3647
2524	cf::sync_job {	3648	cf::sync_job {
2525	cf::write_runtime; # external watchdog should not bark	3649	cf::write_runtime_sync; # external watchdog should not bark
2526	cf::emergency_save;	3650	cf::emergency_save;
2527	cf::write_runtime; # external watchdog should not bark	3651	cf::write_runtime_sync; # external watchdog should not bark
2528		3652
2529	warn "syncing database to disk";	3653	warn "syncing database to disk";
2530	BDB::db_env_txn_checkpoint $DB_ENV;	3654	BDB::db_env_txn_checkpoint $DB_ENV;
2531		3655
2532	# if anything goes wrong in here, we should simply crash as we already saved	3656	# if anything goes wrong in here, we should simply crash as we already saved
2533		3657
2534	warn "cancelling all WF_AUTOCANCEL watchers";
2535	for (Event::all_watchers) {
2536	$_->cancel if $_->data & WF_AUTOCANCEL;
2537	}
2538
2539	warn "flushing outstanding aio requests";	3658	warn "flushing outstanding aio requests";
2540	for (;;) {
2541	BDB::flush;
2542	IO::AIO::flush;
2543	Coro::cede;
2544	last unless IO::AIO::nreqs || BDB::nreqs;	3659	while (IO::AIO::nreqs || BDB::nreqs) {
2545	warn "iterate...";	3660	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2546	}
2547
2548	++$RELOAD;
2549
2550	warn "cancelling all extension coros";
2551	$_->cancel for values %EXT_CORO;
2552	%EXT_CORO = ();
2553
2554	warn "removing commands";
2555	%COMMAND = ();
2556
2557	warn "removing ext commands";
2558	%EXTCMD = ();
2559
2560	warn "unloading/nuking all extensions";
2561	for my $pkg (@EXTS) {
2562	warn "... unloading $pkg";
2563
2564	if (my $cb = $pkg->can ("unload")) {
2565	eval {
2566	$cb->($pkg);
2567	1
2568	} or warn "$pkg unloaded, but with errors: $@";
2569	}	3661	}
2570		3662
2571	warn "... nuking $pkg";	3663	warn "cancelling all extension coros";
2572	Symbol::delete_package $pkg;	3664	$_->cancel for values %EXT_CORO;
2573	}	3665	%EXT_CORO = ();
2574		3666
2575	warn "unloading all perl modules loaded from $LIBDIR";	3667	warn "removing commands";
2576	while (my ($k, $v) = each %INC) {	3668	%COMMAND = ();
2577	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2578		3669
		3670	warn "removing ext/exti commands";
		3671	%EXTCMD = ();
		3672	%EXTICMD = ();
		3673
		3674	warn "unloading/nuking all extensions";
		3675	for my $pkg (@EXTS) {
2579	warn "... unloading $k";	3676	warn "... unloading $pkg";
2580	delete $INC{$k};
2581		3677
2582	$k =~ s/\.pm$//;
2583	$k =~ s/\//::/g;
2584
2585	if (my $cb = $k->can ("unload_module")) {	3678	if (my $cb = $pkg->can ("unload")) {
		3679	eval {
2586	$cb->();	3680	$cb->($pkg);
		3681	1
		3682	} or warn "$pkg unloaded, but with errors: $@";
		3683	}
		3684
		3685	warn "... clearing $pkg";
		3686	clear_package $pkg;
2587	}	3687	}
2588		3688
2589	Symbol::delete_package $k;	3689	warn "unloading all perl modules loaded from $LIBDIR";
		3690	while (my ($k, $v) = each %INC) {
		3691	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3692
		3693	warn "... unloading $k";
		3694	delete $INC{$k};
		3695
		3696	$k =~ s/\.pm$//;
		3697	$k =~ s/\//::/g;
		3698
		3699	if (my $cb = $k->can ("unload_module")) {
		3700	$cb->();
		3701	}
		3702
		3703	clear_package $k;
2590	}	3704	}
2591		3705
2592	warn "getting rid of safe::, as good as possible";	3706	warn "getting rid of safe::, as good as possible";
2593	Symbol::delete_package "safe::$_"	3707	clear_package "safe::$_"
2594	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3708	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2595		3709
2596	warn "unloading cf.pm \"a bit\"";	3710	warn "unloading cf.pm \"a bit\"";
2597	delete $INC{"cf.pm"};	3711	delete $INC{"cf.pm"};
		3712	delete $INC{"cf/pod.pm"};
2598		3713
2599	# don't, removes xs symbols, too,	3714	# don't, removes xs symbols, too,
2600	# and global variables created in xs	3715	# and global variables created in xs
2601	#Symbol::delete_package __PACKAGE__;	3716	#clear_package __PACKAGE__;
2602		3717
2603	warn "unload completed, starting to reload now";	3718	warn "unload completed, starting to reload now";
2604		3719
2605	warn "reloading cf.pm";	3720	warn "reloading cf.pm";
2606	require cf;	3721	require cf;
2607	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3722	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2608		3723
2609	warn "loading config and database again";	3724	warn "loading config and database again";
2610	cf::cfg_load;	3725	cf::reload_config;
2611		3726
2612	warn "loading extensions";	3727	warn "loading extensions";
2613	cf::load_extensions;	3728	cf::load_extensions;
2614		3729
2615	warn "reattaching attachments to objects/players";	3730	warn "reattaching attachments to objects/players";
2616	_global_reattach; # objects, sockets	3731	_global_reattach; # objects, sockets
2617	warn "reattaching attachments to maps";	3732	warn "reattaching attachments to maps";
2618	reattach $_ for values %MAP;	3733	reattach $_ for values %MAP;
2619	warn "reattaching attachments to players";	3734	warn "reattaching attachments to players";
2620	reattach $_ for values %PLAYER;	3735	reattach $_ for values %PLAYER;
2621		3736
2622	warn "loading reloadable resources";	3737	warn "running post_load";
2623	reload_resources;	3738	(pop @POST_INIT)->(1) while @POST_INIT;
2624		3739
2625	warn "leaving sync_job";	3740	warn "leaving sync_job";
2626		3741
2627	1	3742	1
2628	} or do {	3743	} or do {
2629	warn $@;	3744	warn $@;
2630	warn "error while reloading, exiting.";	3745	cf::cleanup "error while reloading, exiting.";
2631	exit 1;	3746	};
		3747
		3748	warn "reloaded";
		3749	--$RELOAD;
		3750	}
		3751	};
		3752
		3753	our $RELOAD_WATCHER; # used only during reload
		3754
		3755	sub reload_perl() {
		3756	# doing reload synchronously and two reloads happen back-to-back,
		3757	# coro crashes during coro_state_free->destroy here.
		3758
		3759	$RELOAD_WATCHER ||= EV::timer $TICK * 1.5, 0, sub {
		3760	do_reload_perl;
		3761	undef $RELOAD_WATCHER;
2632	};	3762	};
2633		3763	}
2634	warn "reloaded";
2635	};
2636
2637	our $RELOAD_WATCHER; # used only during reload
2638		3764
2639	register_command "reload" => sub {	3765	register_command "reload" => sub {
2640	my ($who, $arg) = @_;	3766	my ($who, $arg) = @_;
2641		3767
2642	if ($who->flag (FLAG_WIZ)) {	3768	if ($who->flag (FLAG_WIZ)) {
2643	$who->message ("reloading server.");	3769	$who->message ("reloading server.");
2644		3770	async {
2645	# doing reload synchronously and two reloads happen back-to-back,	3771	$Coro::current->{desc} = "perl_reload";
2646	# coro crashes during coro_state_free->destroy here.
2647
2648	$RELOAD_WATCHER ||= Event->timer (
2649	reentrant => 0,
2650	after => 0,
2651	data => WF_AUTOCANCEL,
2652	cb => sub {
2653	reload;	3772	reload_perl;
2654	undef $RELOAD_WATCHER;
2655	},
2656	);	3773	};
2657	}	3774	}
2658	};	3775	};
2659		3776
2660	unshift @INC, $LIBDIR;	3777	unshift @INC, $LIBDIR;
2661		3778
…		…
2663		3780
2664	our @WAIT_FOR_TICK;	3781	our @WAIT_FOR_TICK;
2665	our @WAIT_FOR_TICK_BEGIN;	3782	our @WAIT_FOR_TICK_BEGIN;
2666		3783
2667	sub wait_for_tick {	3784	sub wait_for_tick {
2668	return unless $TICK_WATCHER->is_active;
2669	return if $Coro::current == $Coro::main;	3785	return if tick_inhibit || $Coro::current == $Coro::main;
2670		3786
2671	my $signal = new Coro::Signal;	3787	my $signal = new Coro::Signal;
2672	push @WAIT_FOR_TICK, $signal;	3788	push @WAIT_FOR_TICK, $signal;
2673	$signal->wait;	3789	$signal->wait;
2674	}	3790	}
2675		3791
2676	sub wait_for_tick_begin {	3792	sub wait_for_tick_begin {
2677	return unless $TICK_WATCHER->is_active;
2678	return if $Coro::current == $Coro::main;	3793	return if tick_inhibit || $Coro::current == $Coro::main;
2679		3794
2680	my $signal = new Coro::Signal;	3795	my $signal = new Coro::Signal;
2681	push @WAIT_FOR_TICK_BEGIN, $signal;	3796	push @WAIT_FOR_TICK_BEGIN, $signal;
2682	$signal->wait;	3797	$signal->wait;
2683	}	3798	}
2684		3799
2685	$TICK_WATCHER = Event->timer (	3800	sub tick {
2686	reentrant => 0,
2687	parked => 1,
2688	prio => 0,
2689	at => $NEXT_TICK || $TICK,
2690	data => WF_AUTOCANCEL,
2691	cb => sub {
2692	if ($Coro::current != $Coro::main) {	3801	if ($Coro::current != $Coro::main) {
2693	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3802	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2694	unless ++$bug_warning > 10;	3803	unless ++$bug_warning > 10;
2695	return;	3804	return;
2696	}	3805	}
2697		3806
2698	$NOW = Event::time;
2699
2700	cf::server_tick; # one server iteration	3807	cf::server_tick; # one server iteration
2701		3808
2702	$RUNTIME += $TICK;
2703	$NEXT_TICK += $TICK;
2704
2705	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3809	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2706	$NEXT_RUNTIME_WRITE = $NOW + 10;	3810	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2707	Coro::async_pool {	3811	Coro::async_pool {
		3812	$Coro::current->{desc} = "runtime saver";
2708	write_runtime	3813	write_runtime_sync
2709	or warn "ERROR: unable to write runtime file: $!";	3814	or warn "ERROR: unable to write runtime file: $!";
2710	};
2711	}	3815	};
		3816	}
2712		3817
2713	# my $AFTER = Event::time;
2714	# warn $AFTER - $NOW;#d#
2715
2716	# if we are delayed by four ticks or more, skip them all
2717	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2718
2719	$TICK_WATCHER->at ($NEXT_TICK);
2720	$TICK_WATCHER->start;
2721
2722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3818	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2723	$sig->send;	3819	$sig->send;
2724	}	3820	}
2725	while (my $sig = shift @WAIT_FOR_TICK) {	3821	while (my $sig = shift @WAIT_FOR_TICK) {
2726	$sig->send;	3822	$sig->send;
2727	}
2728
2729	_post_tick;
2730	},	3823	}
2731	);	3824
		3825	$LOAD = ($NOW - $TICK_START) / $TICK;
		3826	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3827
		3828	if (0) {
		3829	if ($NEXT_TICK) {
		3830	my $jitter = $TICK_START - $NEXT_TICK;
		3831	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3832	warn "jitter $JITTER\n";#d#
		3833	}
		3834	}
		3835	}
2732		3836
2733	{	3837	{
2734	BDB::max_poll_time $TICK * 0.1;	3838	# configure BDB
2735	$BDB_POLL_WATCHER = Event->io (	3839
2736	reentrant => 0,
2737	fd => BDB::poll_fileno,
2738	poll => 'r',
2739	prio => 0,
2740	data => WF_AUTOCANCEL,
2741	cb => \&BDB::poll_cb,
2742	);
2743	BDB::min_parallel 8;	3840	BDB::min_parallel 8;
2744		3841	BDB::max_poll_reqs $TICK * 0.1;
2745	BDB::set_sync_prepare {	3842	$AnyEvent::BDB::WATCHER->priority (1);
2746	my $status;
2747	my $current = $Coro::current;
2748	(
2749	sub {
2750	$status = $!;
2751	$current->ready; undef $current;
2752	},
2753	sub {
2754	Coro::schedule while defined $current;
2755	$! = $status;
2756	},
2757	)
2758	};
2759		3843
2760	unless ($DB_ENV) {	3844	unless ($DB_ENV) {
2761	$DB_ENV = BDB::db_env_create;	3845	$DB_ENV = BDB::db_env_create;
		3846	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3847	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3848	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3849	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3850	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2762		3851
2763	cf::sync_job {	3852	cf::sync_job {
2764	eval {	3853	eval {
2765	BDB::db_env_open	3854	BDB::db_env_open
2766	$DB_ENV,	3855	$DB_ENV,
2767	$BDB_ENV_DIR,	3856	$BDBDIR,
2768	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3857	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2769	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3858	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2770	0666;	3859	0666;
2771		3860
2772	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3861	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2773
2774	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2775	$DB_ENV->set_lk_detect;
2776	};	3862	};
2777		3863
2778	cf::cleanup "db_env_open(db): $@" if $@;	3864	cf::cleanup "db_env_open(db): $@" if $@;
2779	};	3865	};
2780	}	3866	}
		3867
		3868	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3869	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3870	};
		3871	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3872	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3873	};
		3874	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3875	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3876	};
2781	}	3877	}
2782		3878
2783	{	3879	{
		3880	# configure IO::AIO
		3881
2784	IO::AIO::min_parallel 8;	3882	IO::AIO::min_parallel 8;
2785
2786	undef $Coro::AIO::WATCHER;
2787	IO::AIO::max_poll_time $TICK * 0.1;	3883	IO::AIO::max_poll_time $TICK * 0.1;
2788	$AIO_POLL_WATCHER = Event->io (	3884	undef $AnyEvent::AIO::WATCHER;
2789	reentrant => 0,
2790	data => WF_AUTOCANCEL,
2791	fd => IO::AIO::poll_fileno,
2792	poll => 'r',
2793	prio => 6,
2794	cb => \&IO::AIO::poll_cb,
2795	);
2796	}	3885	}
		3886
		3887	my $_log_backtrace;
		3888
		3889	sub _log_backtrace {
		3890	my ($msg, @addr) = @_;
		3891
		3892	$msg =~ s/\n//;
		3893
		3894	# limit the # of concurrent backtraces
		3895	if ($_log_backtrace < 2) {
		3896	++$_log_backtrace;
		3897	my $perl_bt = Carp::longmess $msg;
		3898	async {
		3899	$Coro::current->{desc} = "abt $msg";
		3900
		3901	my @bt = fork_call {
		3902	@addr = map { sprintf "%x", $_ } @addr;
		3903	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3904	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3905	or die "addr2line: $!";
		3906
		3907	my @funcs;
		3908	my @res = <$fh>;
		3909	chomp for @res;
		3910	while (@res) {
		3911	my ($func, $line) = splice @res, 0, 2, ();
		3912	push @funcs, "[$func] $line";
		3913	}
		3914
		3915	@funcs
		3916	};
		3917
		3918	LOG llevInfo, "[ABT] $perl_bt\n";
		3919	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3920	LOG llevInfo, "[ABT] $_\n" for @bt;
		3921	--$_log_backtrace;
		3922	};
		3923	} else {
		3924	LOG llevInfo, "[ABT] $msg\n";
		3925	LOG llevInfo, "[ABT] [suppressed]\n";
		3926	}
		3927	}
		3928
		3929	# load additional modules
		3930	use cf::pod;
2797		3931
2798	END { cf::emergency_save }	3932	END { cf::emergency_save }
2799		3933
2800	1	3934	1
2801		3935

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