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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.239 by root, Mon Apr 16 06:23:42 2007 UTC vs.
Revision 1.477 by root, Wed Sep 2 22:52:36 2009 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 qw(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
		37	use Guard ();
14	use Coro 3.52 ();	38	use Coro ();
15	use Coro::State;	39	use Coro::State;
		40	use Coro::Handle;
		41	use Coro::EV;
16	use Coro::Event;	42	use Coro::AnyEvent;
17	use Coro::Timer;	43	use Coro::Timer;
18	use Coro::Signal;	44	use Coro::Signal;
19	use Coro::Semaphore;	45	use Coro::Semaphore;
		46	use Coro::SemaphoreSet;
		47	use Coro::AnyEvent;
20	use Coro::AIO;	48	use Coro::AIO;
		49	use Coro::BDB 1.6;
21	use Coro::Storable;	50	use Coro::Storable;
		51	use Coro::Util ();
22		52
		53	use JSON::XS 2.01 ();
23	use BDB ();	54	use BDB ();
24	use Data::Dumper;	55	use Data::Dumper;
25	use Digest::MD5;	56	use Digest::MD5;
26	use Fcntl;	57	use Fcntl;
27	use YAML::Syck ();	58	use YAML ();
28	use IO::AIO 2.32 ();	59	use IO::AIO ();
29	use Time::HiRes;	60	use Time::HiRes;
30	use Compress::LZF;	61	use Compress::LZF;
		62	use Digest::MD5 ();
		63
		64	AnyEvent::detect;
31		65
32	# configure various modules to our taste	66	# configure various modules to our taste
33	#	67	#
34	$Storable::canonical = 1; # reduce rsync transfers	68	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	69	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		70
		71	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		72
		73	# make sure c-lzf reinitialises itself
		74	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	75	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		76
38	$Event::Eval = 1; # no idea why this is required, but it is	77	# strictly for debugging
39		78	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
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		79
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	80	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		81
47	our %COMMAND = ();	82	our %COMMAND = ();
48	our %COMMAND_TIME = ();	83	our %COMMAND_TIME = ();
49		84
50	our @EXTS = (); # list of extension package names	85	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	86	our %EXTCMD = ();
		87	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	88	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	89	our %EXT_MAP = (); # pluggable maps
54		90
55	our $RELOAD; # number of reloads so far	91	our $RELOAD; # number of reloads so far, non-zero while in reload
56	our @EVENT;	92	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		93
59	our $TICK = MAX_TIME * 1e-6;	94	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	95	our $DATADIR = datadir;
61	our $AIO_POLL_WATCHER;	96	our $LIBDIR = "$DATADIR/ext";
		97	our $PODDIR = "$DATADIR/pod";
		98	our $MAPDIR = "$DATADIR/" . mapdir;
		99	our $LOCALDIR = localdir;
		100	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		101	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		102	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		103	our $RANDOMDIR = "$LOCALDIR/random";
		104	our $BDBDIR = "$LOCALDIR/db";
		105	our $PIDFILE = "$LOCALDIR/pid";
		106	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		107
		108	our %RESOURCE;
		109
		110	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	111	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	112	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	113	our $USE_FSYNC = 1; # use fsync to write maps - default on
66		114
		115	our $BDB_DEADLOCK_WATCHER;
		116	our $BDB_CHECKPOINT_WATCHER;
67	our $BDB_POLL_WATCHER;	117	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	118	our $DB_ENV;
		119
		120	our @EXTRA_MODULES = qw(pod mapscript);
69		121
70	our %CFG;	122	our %CFG;
71		123
72	our $UPTIME; $UPTIME ||= time;	124	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	125	our $RUNTIME;
		126	our $NOW;
74		127
75	our %PLAYER; # all users	128	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	129	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	130	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		131
81	# used to convert map paths into valid unix filenames by replacing / by ∕	132	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	133	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		134
		135	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		136	our $LOADAVG; # same thing, but with alpha-smoothing
		137	our $JITTER; # average jitter
		138	our $TICK_START; # for load detecting purposes
		139
		140	our @POST_INIT;
		141
		142	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		143	our $REALLY_UNLOOP; # never set to true, please :)
		144
84	binmode STDOUT;	145	binmode STDOUT;
85	binmode STDERR;	146	binmode STDERR;
86		147
87	# read virtual server time, if available	148	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	149	unless ($RUNTIME || !-e $RUNTIMEFILE) {
89	open my $fh, "<", cf::localdir . "/runtime"	150	open my $fh, "<", $RUNTIMEFILE
90	or die "unable to read runtime file: $!";	151	or die "unable to read $RUNTIMEFILE file: $!";
91	$RUNTIME = <$fh> + 0.;	152	$RUNTIME = <$fh> + 0.;
92	}	153	}
93		154
94	mkdir cf::localdir;	155	eval "sub TICK() { $TICK } 1" or die;
95	mkdir cf::localdir . "/" . cf::playerdir;	156
96	mkdir cf::localdir . "/" . cf::tmpdir;	157	mkdir $_
97	mkdir cf::localdir . "/" . cf::uniquedir;	158	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		159
101	our $EMERGENCY_POSITION;	160	our $EMERGENCY_POSITION;
102		161
103	sub cf::map::normalise;	162	sub cf::map::normalise;
104		163
…		…
115	=item $cf::RUNTIME	174	=item $cf::RUNTIME
116		175
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	176	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	177	every server tick.
119		178
120	=item $cf::LIBDIR	179	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		180	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		181	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		182
122	The perl library directory, where extensions and cf-specific modules can	183	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	184	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		185	unique-items directory, player file directory, random maps directory and
		186	database environment.
124		187
125	=item $cf::NOW	188	=item $cf::NOW
126		189
127	The time of the last (current) server tick.	190	The time of the last (current) server tick.
128		191
129	=item $cf::TICK	192	=item $cf::TICK
130		193
131	The interval between server ticks, in seconds.	194	The interval between server ticks, in seconds.
132		195
		196	=item $cf::LOADAVG
		197
		198	The current CPU load on the server (alpha-smoothed), as a value between 0
		199	(none) and 1 (overloaded), indicating how much time is spent on processing
		200	objects per tick. Healthy values are < 0.5.
		201
		202	=item $cf::LOAD
		203
		204	The raw value load value from the last tick.
		205
133	=item %cf::CFG	206	=item %cf::CFG
134		207
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	208	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	209	from wherever your confdir points to.
137		210
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	211	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		212
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	213	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	214	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.	215	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		216
		217	=item @cf::INVOKE_RESULTS
		218
		219	This array contains the results of the last C<invoke ()> call. When
		220	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		221	that call.
		222
144	=back	223	=back
145		224
146	=cut	225	=cut
147		226
148	BEGIN {	227	$Coro::State::WARNHOOK = sub {
149	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	228	my $msg = join "", @_;
151	utf8::encode $msg;
152		229
153	$msg .= "\n"	230	$msg .= "\n"
154	unless $msg =~ /\n$/;	231	unless $msg =~ /\n$/;
155		232
		233	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		234
156	LOG llevError, $msg;	235	LOG llevError, $msg;
157	};	236	};
158	}	237
		238	$Coro::State::DIEHOOK = sub {
		239	return unless $^S eq 0; # "eq", not "=="
		240
		241	warn Carp::longmess $_[0];
		242
		243	if ($Coro::current == $Coro::main) {#d#
		244	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		245	return;#d#
		246	}#d#
		247
		248	# kill coroutine otherwise
		249	Coro::terminate
		250	};
159		251
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	252	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	253	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	254	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	255	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	256	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		257	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	258	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		259
167	# we bless all objects into (empty) derived classes to force a method lookup	260	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	261	# within the Safe compartment.
169	for my $pkg (qw(	262	for my $pkg (qw(
170	cf::global cf::attachable	263	cf::global cf::attachable
171	cf::object cf::object::player	264	cf::object cf::object::player
172	cf::client cf::player	265	cf::client cf::player
173	cf::arch cf::living	266	cf::arch cf::living
		267	cf::map cf::mapspace
174	cf::map cf::party cf::region	268	cf::party cf::region
175	)) {	269	)) {
176	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	270	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	271	}
179		272
180	$Event::DIED = sub {	273	$EV::DIED = sub {
181	warn "error in event callback: @_";	274	warn "error in event callback: @_";
182	};	275	};
		276
		277	#############################################################################
183		278
184	=head2 UTILITY FUNCTIONS	279	=head2 UTILITY FUNCTIONS
185		280
186	=over 4	281	=over 4
187		282
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	301	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	302	$d
208	} || "[unable to dump $_[0]: '$@']";	303	} || "[unable to dump $_[0]: '$@']";
209	}	304	}
210		305
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	306	=item $ref = cf::decode_json $json
214		307
215	Converts a JSON string into the corresponding perl data structure.	308	Converts a JSON string into the corresponding perl data structure.
216		309
217	=item $json = cf::to_json $ref	310	=item $json = cf::encode_json $ref
218		311
219	Converts a perl data structure into its JSON representation.	312	Converts a perl data structure into its JSON representation.
220		313
		314	=cut
		315
		316	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		317
		318	sub encode_json($) { $json_coder->encode ($_[0]) }
		319	sub decode_json($) { $json_coder->decode ($_[0]) }
		320
		321	=item cf::post_init { BLOCK }
		322
		323	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		324	but I<before> the server starts ticking again.
		325
		326	The cdoeblock will have a single boolean argument to indicate whether this
		327	is a reload or not.
		328
		329	=cut
		330
		331	sub post_init(&) {
		332	push @POST_INIT, shift;
		333	}
		334
221	=item cf::lock_wait $string	335	=item cf::lock_wait $string
222		336
223	Wait until the given lock is available. See cf::lock_acquire.	337	Wait until the given lock is available. See cf::lock_acquire.
224		338
225	=item my $lock = cf::lock_acquire $string	339	=item my $lock = cf::lock_acquire $string
226		340
227	Wait until the given lock is available and then acquires it and returns	341	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,	342	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	343	for example when the coroutine gets canceled), the lock is automatically
230	returned.	344	returned.
231		345
		346	Locks are *not* recursive, locking from the same coro twice results in a
		347	deadlocked coro.
		348
232	Lock names should begin with a unique identifier (for example, cf::map::find	349	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	350	uses map_find and cf::map::load uses map_load).
234		351
235	=cut	352	=item $locked = cf::lock_active $string
236		353
237	our %LOCK;	354	Return true if the lock is currently active, i.e. somebody has locked it.
		355
		356	=cut
		357
		358	our $LOCKS = new Coro::SemaphoreSet;
238		359
239	sub lock_wait($) {	360	sub lock_wait($) {
240	my ($key) = @_;	361	$LOCKS->wait ($_[0]);
241
242	# wait for lock, if any
243	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;
246	}
247	}	362	}
248		363
249	sub lock_acquire($) {	364	sub lock_acquire($) {
250	my ($key) = @_;	365	$LOCKS->guard ($_[0])
		366	}
251		367
252	# wait, to be sure we are not locked	368	sub lock_active($) {
253	lock_wait $key;	369	$LOCKS->count ($_[0]) < 1
254
255	$LOCK{$key} = [];
256
257	Coro::guard {
258	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };
260	}
261	}	370	}
262		371
263	sub freeze_mainloop {	372	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	373	tick_inhibit_inc;
265		374
266	my $guard = Coro::guard {	375	&Guard::guard (\&tick_inhibit_dec);
267	$TICK_WATCHER->start;	376	}
		377
		378	=item cf::periodic $interval, $cb
		379
		380	Like EV::periodic, but randomly selects a starting point so that the actions
		381	get spread over timer.
		382
		383	=cut
		384
		385	sub periodic($$) {
		386	my ($interval, $cb) = @_;
		387
		388	my $start = rand List::Util::min 180, $interval;
		389
		390	EV::periodic $start, $interval, 0, $cb
		391	}
		392
		393	=item cf::get_slot $time[, $priority[, $name]]
		394
		395	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		396	This call blocks and returns only when you have at least C<$time> seconds
		397	of cpu time till the next tick. The slot is only valid till the next cede.
		398
		399	The optional C<$name> can be used to identify the job to run. It might be
		400	used for statistical purposes and should identify the same time-class.
		401
		402	Useful for short background jobs.
		403
		404	=cut
		405
		406	our @SLOT_QUEUE;
		407	our $SLOT_QUEUE;
		408
		409	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		410	$SLOT_QUEUE = Coro::async {
		411	$Coro::current->desc ("timeslot manager");
		412
		413	my $signal = new Coro::Signal;
		414
		415	while () {
		416	next_job:
		417	my $avail = cf::till_tick;
		418	if ($avail > 0.01) {
		419	for (0 .. $#SLOT_QUEUE) {
		420	if ($SLOT_QUEUE[$_][0] < $avail) {
		421	my $job = splice @SLOT_QUEUE, $_, 1, ();
		422	$job->[2]->send;
		423	Coro::cede;
		424	goto next_job;
		425	}
		426	}
		427	}
		428
		429	if (@SLOT_QUEUE) {
		430	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		431	push @cf::WAIT_FOR_TICK, $signal;
		432	$signal->wait;
		433	} else {
		434	Coro::schedule;
		435	}
268	};	436	}
269	$TICK_WATCHER->stop;	437	};
270	$guard	438
		439	sub get_slot($;$$) {
		440	return if tick_inhibit || $Coro::current == $Coro::main;
		441
		442	my ($time, $pri, $name) = @_;
		443
		444	$time = $TICK * .6 if $time > $TICK * .6;
		445	my $sig = new Coro::Signal;
		446
		447	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		448	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		449	$SLOT_QUEUE->ready;
		450	$sig->wait;
271	}	451	}
272		452
273	=item cf::async { BLOCK }	453	=item cf::async { BLOCK }
274		454
275	Currently the same as Coro::async_pool, meaning you cannot use	455	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		460
281	BEGIN { *async = \&Coro::async_pool }	461	BEGIN { *async = \&Coro::async_pool }
282		462
283	=item cf::sync_job { BLOCK }	463	=item cf::sync_job { BLOCK }
284		464
285	The design of crossfire+ requires that the main coro ($Coro::main) is	465	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	466	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	467	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		468	acceptable.
288		469
289	If it must be done, put the blocking parts into C<sync_job>. This will run	470	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	471	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	472	server will be frozen during this time, so the block should either finish
292	fast or be very important.	473	fast or be very important.
…		…
295		476
296	sub sync_job(&) {	477	sub sync_job(&) {
297	my ($job) = @_;	478	my ($job) = @_;
298		479
299	if ($Coro::current == $Coro::main) {	480	if ($Coro::current == $Coro::main) {
		481	my $time = EV::time;
		482
300	# this is the main coro, too bad, we have to block	483	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	484	# till the operation succeeds, freezing the server :/
302		485
303	# TODO: use suspend/resume instead	486	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	487
305	my $freeze_guard = freeze_mainloop;	488	my $freeze_guard = freeze_mainloop;
306		489
307	my $busy = 1;	490	my $busy = 1;
308	my @res;	491	my @res;
309		492
310	(async {	493	(async {
		494	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	495	@res = eval { $job->() };
312	warn $@ if $@;	496	warn $@ if $@;
313	undef $busy;	497	undef $busy;
314	})->prio (Coro::PRIO_MAX);	498	})->prio (Coro::PRIO_MAX);
315		499
316	while ($busy) {	500	while ($busy) {
317	Coro::cede or Event::one_event;	501	if (Coro::nready) {
		502	Coro::cede_notself;
		503	} else {
		504	EV::loop EV::LOOP_ONESHOT;
318	}	505	}
		506	}
		507
		508	my $time = EV::time - $time;
		509
		510	$TICK_START += $time; # do not account sync jobs to server load
319		511
320	wantarray ? @res : $res[0]	512	wantarray ? @res : $res[0]
321	} else {	513	} else {
322	# we are in another coroutine, how wonderful, everything just works	514	# we are in another coroutine, how wonderful, everything just works
323		515
…		…
343	$EXT_CORO{$coro+0} = $coro;	535	$EXT_CORO{$coro+0} = $coro;
344		536
345	$coro	537	$coro
346	}	538	}
347		539
348	sub write_runtime {	540	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		541
351	my $runtime = cf::localdir . "/runtime";	542	Executes the given code block with the given arguments in a seperate
		543	process, returning the results. Everything must be serialisable with
		544	Coro::Storable. May, of course, block. Note that the executed sub may
		545	never block itself or use any form of event handling.
352		546
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	547	=cut
354	or return;
355		548
356	my $value = $cf::RUNTIME + 90 + 10;	549	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	550	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		551
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	552	# we seemingly have to make a local copy of the whole thing,
361	and return;	553	# otherwise perl prematurely frees the stuff :/
		554	# TODO: investigate and fix (likely this will be rather laborious)
362		555
363	# always fsync - this file is important	556	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	557	reset_signals;
365	and return;	558	&$cb
		559	}, @args;
366		560
367	close $fh	561	wantarray ? @res : $res[-1]
368	or return;	562	}
369		563
370	aio_rename "$runtime~", $runtime	564	=item $coin = coin_from_name $name
371	and return;
372		565
		566	=cut
		567
		568	our %coin_alias = (
		569	"silver" => "silvercoin",
		570	"silvercoin" => "silvercoin",
		571	"silvercoins" => "silvercoin",
		572	"gold" => "goldcoin",
		573	"goldcoin" => "goldcoin",
		574	"goldcoins" => "goldcoin",
		575	"platinum" => "platinacoin",
		576	"platinumcoin" => "platinacoin",
		577	"platinumcoins" => "platinacoin",
		578	"platina" => "platinacoin",
		579	"platinacoin" => "platinacoin",
		580	"platinacoins" => "platinacoin",
		581	"royalty" => "royalty",
		582	"royalties" => "royalty",
		583	);
		584
		585	sub coin_from_name($) {
		586	$coin_alias{$_[0]}
		587	? cf::arch::find $coin_alias{$_[0]}
		588	: undef
		589	}
		590
		591	=item $value = cf::db_get $family => $key
		592
		593	Returns a single value from the environment database.
		594
		595	=item cf::db_put $family => $key => $value
		596
		597	Stores the given C<$value> in the family. It can currently store binary
		598	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		599
		600	=item $db = cf::db_table "name"
		601
		602	Create and/or open a new database table. The string must not be "db" and must be unique
		603	within each server.
		604
		605	=cut
		606
		607	sub db_table($) {
		608	my ($name) = @_;
		609	my $db = BDB::db_create $DB_ENV;
		610
		611	eval {
		612	$db->set_flags (BDB::CHKSUM);
		613
		614	utf8::encode $name;
		615	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		616	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		617	cf::cleanup "db_open(db): $!" if $!;
		618	};
		619	cf::cleanup "db_open(db): $@" if $@;
		620
		621	$db
		622	}
		623
		624	our $DB;
		625
		626	sub db_init {
		627	cf::sync_job {
		628	$DB ||= db_table "db";
		629	};
		630	}
		631
		632	sub db_get($$) {
		633	my $key = "$_[0]/$_[1]";
		634
		635	cf::sync_job {
		636	BDB::db_get $DB, undef, $key, my $data;
		637
		638	$! ? ()
		639	: $data
373	1	640	}
		641	}
		642
		643	sub db_put($$$) {
		644	BDB::dbreq_pri 4;
		645	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		646	}
		647
		648	=item cf::cache $id => [$paths...], $processversion => $process
		649
		650	Generic caching function that returns the value of the resource $id,
		651	caching and regenerating as required.
		652
		653	This function can block.
		654
		655	=cut
		656
		657	sub cache {
		658	my ($id, $src, $processversion, $process) = @_;
		659
		660	my $meta =
		661	join "\x00",
		662	$processversion,
		663	map {
		664	aio_stat $_
		665	and Carp::croak "$_: $!";
		666
		667	($_, (stat _)[7,9])
		668	} @$src;
		669
		670	my $dbmeta = db_get cache => "$id/meta";
		671	if ($dbmeta ne $meta) {
		672	# changed, we may need to process
		673
		674	my @data;
		675	my $md5;
		676
		677	for (0 .. $#$src) {
		678	0 <= aio_load $src->[$_], $data[$_]
		679	or Carp::croak "$src->[$_]: $!";
		680	}
		681
		682	# if processing is expensive, check
		683	# checksum first
		684	if (1) {
		685	$md5 =
		686	join "\x00",
		687	$processversion,
		688	map {
		689	cf::cede_to_tick;
		690	($src->[$_], Digest::MD5::md5_hex $data[$_])
		691	} 0.. $#$src;
		692
		693
		694	my $dbmd5 = db_get cache => "$id/md5";
		695	if ($dbmd5 eq $md5) {
		696	db_put cache => "$id/meta", $meta;
		697
		698	return db_get cache => "$id/data";
		699	}
		700	}
		701
		702	my $t1 = Time::HiRes::time;
		703	my $data = $process->(\@data);
		704	my $t2 = Time::HiRes::time;
		705
		706	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		707
		708	db_put cache => "$id/data", $data;
		709	db_put cache => "$id/md5" , $md5;
		710	db_put cache => "$id/meta", $meta;
		711
		712	return $data;
		713	}
		714
		715	db_get cache => "$id/data"
374	}	716	}
375		717
376	=item cf::datalog type => key => value, ...	718	=item cf::datalog type => key => value, ...
377		719
378	Log a datalog packet of the given type with the given key-value pairs.	720	Log a datalog packet of the given type with the given key-value pairs.
…		…
390		732
391	#############################################################################	733	#############################################################################
392		734
393	=head2 ATTACHABLE OBJECTS	735	=head2 ATTACHABLE OBJECTS
394		736
395	Many objects in crossfire are so-called attachable objects. That means you can	737	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")	738	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	739	to it. All such attachable objects support the following methods.
398		740
399	In the following description, CLASS can be any of C<global>, C<object>	741	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	742	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	743	Deliantra).
402		744
403	=over 4	745	=over 4
404		746
405	=item $attachable->attach ($attachment, key => $value...)	747	=item $attachable->attach ($attachment, key => $value...)
406		748
…		…
450	=item cf::CLASS::attachment $name, ...	792	=item cf::CLASS::attachment $name, ...
451		793
452	Register an attachment by C<$name> through which attachable objects of the	794	Register an attachment by C<$name> through which attachable objects of the
453	given CLASS can refer to this attachment.	795	given CLASS can refer to this attachment.
454		796
455	Some classes such as crossfire maps and objects can specify attachments	797	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.	798	that are attached at load/instantiate time, thus the need for a name.
457		799
458	These calls expect any number of the following handler/hook descriptions:	800	These calls expect any number of the following handler/hook descriptions:
459		801
460	=over 4	802	=over 4
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	911	$registry = $CB_TYPE[$object_type] ||= [];
570		912
571	} elsif ($type eq "subtype") {	913	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	914	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	915	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	916	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		917
576	} elsif ($type eq "package") {	918	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	919	my $pkg = shift @arg;
578		920
579	while (my ($name, $id) = each %cb_id) {	921	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	950	_attach $registry, $klass, @attach;
609	}	951	}
610		952
611	$obj->{$name} = \%arg;	953	$obj->{$name} = \%arg;
612	} else {	954	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	955	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	956	}
615		957
616	$obj->{_attachment}{$name} = undef;	958	$obj->{_attachment}{$name} = undef;
617	}	959	}
618		960
…		…
620	if (ref $_[0]) {	962	if (ref $_[0]) {
621	_object_attach @_;	963	_object_attach @_;
622	} else {	964	} else {
623	_attach shift->_attach_registry, @_;	965	_attach shift->_attach_registry, @_;
624	}	966	}
		967	_recalc_want;
625	};	968	};
626		969
627	# all those should be optimised	970	# all those should be optimised
628	sub cf::attachable::detach {	971	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	972	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	975	delete $obj->{_attachment}{$name};
633	reattach ($obj);	976	reattach ($obj);
634	} else {	977	} else {
635	Carp::croak "cannot, currently, detach class attachments";	978	Carp::croak "cannot, currently, detach class attachments";
636	}	979	}
		980	_recalc_want;
637	};	981	};
638		982
639	sub cf::attachable::attached {	983	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	984	my ($obj, $name) = @_;
641		985
…		…
656	";	1000	";
657	die if $@;	1001	die if $@;
658	}	1002	}
659		1003
660	our $override;	1004	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1005	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		1006
663	sub override {	1007	sub override {
664	$override = 1;	1008	$override = 1;
665	@invoke_results = ();	1009	@INVOKE_RESULTS = (@_);
666	}	1010	}
667		1011
668	sub do_invoke {	1012	sub do_invoke {
669	my $event = shift;	1013	my $event = shift;
670	my $callbacks = shift;	1014	my $callbacks = shift;
671		1015
672	@invoke_results = ();	1016	@INVOKE_RESULTS = ();
673		1017
674	local $override;	1018	local $override;
675		1019
676	for (@$callbacks) {	1020	for (@$callbacks) {
677	eval { &{$_->[1]} };	1021	eval { &{$_->[1]} };
…		…
686	}	1030	}
687		1031
688	0	1032	0
689	}	1033	}
690		1034
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1035	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1036
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1037	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1038
695	Generate an object-specific event with the given arguments.	1039	Generate an object-specific event with the given arguments.
696		1040
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1041	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	1042	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1043	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1044
701	=back	1045	=back
702		1046
703	=cut	1047	=cut
704		1048
705	#############################################################################	1049	#############################################################################
706	# object support	1050	# object support
		1051
		1052	sub _object_equal($$);
		1053	sub _object_equal($$) {
		1054	my ($a, $b) = @_;
		1055
		1056	return 0 unless (ref $a) eq (ref $b);
		1057
		1058	if ("HASH" eq ref $a) {
		1059	my @ka = keys %$a;
		1060	my @kb = keys %$b;
		1061
		1062	return 0 if @ka != @kb;
		1063
		1064	for (0 .. $#ka) {
		1065	return 0 unless $ka[$_] eq $kb[$_];
		1066	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1067	}
		1068
		1069	} elsif ("ARRAY" eq ref $a) {
		1070
		1071	return 0 if @$a != @$b;
		1072
		1073	for (0 .. $#$a) {
		1074	return 0 unless _object_equal $a->[$_], $b->[$_];
		1075	}
		1076
		1077	} elsif ($a ne $b) {
		1078	return 0;
		1079	}
		1080
		1081	1
		1082	}
		1083
		1084	our $SLOW_MERGES;#d#
		1085	sub _can_merge {
		1086	my ($ob1, $ob2) = @_;
		1087
		1088	++$SLOW_MERGES;#d#
		1089
		1090	# we do the slow way here
		1091	return _object_equal $ob1, $ob2
		1092	}
707		1093
708	sub reattach {	1094	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1095	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1096	my ($obj) = @_;
711		1097
		1098	# no longer needed after getting rid of delete_package?
712	bless $obj, ref $obj; # re-bless in case extensions have been reloaded	1099	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
713		1100
714	my $registry = $obj->registry;	1101	my $registry = $obj->registry;
715		1102
716	@$registry = ();	1103	@$registry = ();
717		1104
…		…
732	cf::attachable->attach (	1119	cf::attachable->attach (
733	prio => -1000000,	1120	prio => -1000000,
734	on_instantiate => sub {	1121	on_instantiate => sub {
735	my ($obj, $data) = @_;	1122	my ($obj, $data) = @_;
736		1123
737	$data = from_json $data;	1124	$data = decode_json $data;
738		1125
739	for (@$data) {	1126	for (@$data) {
740	my ($name, $args) = @$_;	1127	my ($name, $args) = @$_;
741		1128
742	$obj->attach ($name, %{$args || {} });	1129	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1145	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1146	my ($filename, $rdata, $objs) = @_;
760		1147
761	sync_job {	1148	sync_job {
762	if (length $$rdata) {	1149	if (length $$rdata) {
		1150	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1151	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1152	$decname, length $$rdata, scalar @$objs;
765		1153
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1156	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1157	if ($cf::USE_FSYNC) {
		1158	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1159	aio_fsync $fh;
		1160	}
770	close $fh;	1161	aio_close $fh;
771		1162
772	if (@$objs) {	1163	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1164	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1165	aio_chmod $fh, SAVE_MODE;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1166	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1167	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1168	if ($cf::USE_FSYNC) {
		1169	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
		1170	aio_fsync $fh;
		1171	}
778	close $fh;	1172	aio_close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1173	aio_rename "$filename.pst~", "$filename.pst";
780	}	1174	}
781	} else {	1175	} else {
782	aio_unlink "$filename.pst";	1176	aio_unlink "$filename.pst";
783	}	1177	}
784		1178
785	aio_rename "$filename~", $filename;	1179	aio_rename "$filename~", $filename;
		1180
		1181	$filename =~ s%/[^/]+$%%;
		1182	aio_pathsync $filename if $cf::USE_FSYNC;
786	} else {	1183	} else {
787	warn "FATAL: $filename~: $!\n";	1184	warn "unable to save objects: $filename~: $!\n";
788	}	1185	}
789	} else {	1186	} else {
790	aio_unlink $filename;	1187	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1188	aio_unlink "$filename.pst";
792	}	1189	}
793	}	1190	};
794	}	1191	}
795		1192
796	sub object_freezer_as_string {	1193	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1194	my ($rdata, $objs) = @_;
798		1195
…		…
810	or return;	1207	or return;
811		1208
812	unless (aio_stat "$filename.pst") {	1209	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1210	(aio_load "$filename.pst", $av) >= 0
814	or return;	1211	or return;
		1212
815	$av = eval { (Storable::thaw $av)->{objs} };	1213	my $st = eval { Coro::Storable::thaw $av };
		1214	$av = $st->{objs};
816	}	1215	}
817		1216
		1217	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1218	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1219	$decname, length $data, scalar @{$av || []};
		1220
820	return ($data, $av);	1221	($data, $av)
821	}	1222	}
		1223
		1224	=head2 COMMAND CALLBACKS
		1225
		1226	=over 4
		1227
		1228	=cut
822		1229
823	#############################################################################	1230	#############################################################################
824	# command handling &c	1231	# command handling &c
825		1232
826	=item cf::register_command $name => \&callback($ob,$args);	1233	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1246	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1247	}
841		1248
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1249	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1250
844	Register a callbackf ro execution when the client sends an extcmd packet.	1251	Register a callback for execution when the client sends an (synchronous)
		1252	extcmd packet. Ext commands will be processed in the order they are
		1253	received by the server, like other user commands. The first argument is
		1254	the logged-in player. Ext commands can only be processed after a player
		1255	has logged in successfully.
845		1256
846	If the callback returns something, it is sent back as if reply was being	1257	If the callback returns something, it is sent back as if reply was being
847	called.	1258	called.
848		1259
		1260	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1261
		1262	Register a callback for execution when the client sends an (asynchronous)
		1263	exticmd packet. Exti commands are processed by the server as soon as they
		1264	are received, i.e. out of order w.r.t. other commands. The first argument
		1265	is a client socket. Exti commands can be received anytime, even before
		1266	log-in.
		1267
		1268	If the callback returns something, it is sent back as if reply was being
		1269	called.
		1270
849	=cut	1271	=cut
850		1272
851	sub register_extcmd {	1273	sub register_extcmd {
852	my ($name, $cb) = @_;	1274	my ($name, $cb) = @_;
853		1275
854	$EXTCMD{$name} = $cb;	1276	$EXTCMD{$name} = $cb;
855	}	1277	}
		1278
		1279	sub register_exticmd {
		1280	my ($name, $cb) = @_;
		1281
		1282	$EXTICMD{$name} = $cb;
		1283	}
		1284
		1285	use File::Glob ();
856		1286
857	cf::player->attach (	1287	cf::player->attach (
858	on_command => sub {	1288	on_command => sub {
859	my ($pl, $name, $params) = @_;	1289	my ($pl, $name, $params) = @_;
860		1290
…		…
868	cf::override;	1298	cf::override;
869	},	1299	},
870	on_extcmd => sub {	1300	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1301	my ($pl, $buf) = @_;
872		1302
873	my $msg = eval { from_json $buf };	1303	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1304
875	if (ref $msg) {	1305	if (ref $msg) {
		1306	my ($type, $reply, @payload) =
		1307	"ARRAY" eq ref $msg
		1308	? @$msg
		1309	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1310
		1311	my @reply;
		1312
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1313	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1314	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1315	}
		1316
		1317	$pl->ext_reply ($reply, @reply)
		1318	if $reply;
		1319
881	} else {	1320	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1321	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1322	}
884		1323
885	cf::override;	1324	cf::override;
886	},	1325	},
887	);	1326	);
888		1327
		1328	# "readahead" all extensions
889	sub load_extension {	1329	sub cache_extensions {
890	my ($path) = @_;	1330	my $grp = IO::AIO::aio_group;
891		1331
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1332	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
893	my $base = $1;	1333	for (grep /\.ext$/, @{$_[0]}) {
894	my $pkg = $1;	1334	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
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	}	1335	}
917	die $@;
918	}	1336	};
919		1337
920	push @EXTS, $pkg;	1338	$grp
921	}	1339	}
922		1340
923	sub load_extensions {	1341	sub load_extensions {
		1342	cf::sync_job {
		1343	my %todo;
		1344
924	for my $ext (<$LIBDIR/*.ext>) {	1345	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1346	next unless -r $path;
926	eval {	1347
927	load_extension $ext;	1348	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1349	my $base = $1;
		1350	my $pkg = $1;
		1351	$pkg =~ s/[^[:word:]]/_/g;
		1352	$pkg = "ext::$pkg";
		1353
		1354	open my $fh, "<:utf8", $path
		1355	or die "$path: $!";
		1356
		1357	my $source = do { local $/; <$fh> };
		1358
		1359	my %ext = (
		1360	path => $path,
		1361	base => $base,
		1362	pkg => $pkg,
		1363	);
		1364
		1365	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1366	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1367
		1368	$ext{source} =
		1369	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1370	. "#line 1 \"$path\"\n{\n"
		1371	. $source
		1372	. "\n};\n1";
		1373
		1374	$todo{$base} = \%ext;
		1375	}
		1376
		1377	my %done;
		1378	while (%todo) {
		1379	my $progress;
		1380
		1381	while (my ($k, $v) = each %todo) {
		1382	for (split /,\s*/, $v->{meta}{depends}) {
		1383	goto skip
		1384	unless exists $done{$_};
		1385	}
		1386
		1387	warn "... loading '$k' into '$v->{pkg}'\n";
		1388
		1389	unless (eval $v->{source}) {
		1390	my $msg = $@ ? "$v->{path}: $@\n"
		1391	: "$v->{base}: extension inactive.\n";
		1392
		1393	if (exists $v->{meta}{mandatory}) {
		1394	warn $msg;
		1395	cf::cleanup "mandatory extension failed to load, exiting.";
		1396	}
		1397
		1398	warn $msg;
		1399	}
		1400
		1401	$done{$k} = delete $todo{$k};
		1402	push @EXTS, $v->{pkg};
		1403	$progress = 1;
928	1	1404	}
929	} or warn "$ext not loaded: $@";	1405
		1406	skip:
		1407	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1408	unless $progress;
		1409	}
930	}	1410	};
931	}	1411	}
932		1412
933	#############################################################################	1413	#############################################################################
934		1414
		1415	=back
		1416
935	=head2 CORE EXTENSIONS	1417	=head2 CORE EXTENSIONS
936		1418
937	Functions and methods that extend core crossfire objects.	1419	Functions and methods that extend core deliantra objects.
938		1420
939	=cut	1421	=cut
940		1422
941	package cf::player;	1423	package cf::player;
942		1424
…		…
944		1426
945	=head3 cf::player	1427	=head3 cf::player
946		1428
947	=over 4	1429	=over 4
948		1430
		1431	=item cf::player::num_playing
		1432
		1433	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1434
		1435	=cut
		1436
		1437	sub num_playing {
		1438	scalar grep
		1439	$_->ob->map
		1440	&& !$_->hidden
		1441	&& !$_->ob->flag (cf::FLAG_WIZ),
		1442	cf::player::list
		1443	}
		1444
949	=item cf::player::find $login	1445	=item cf::player::find $login
950		1446
951	Returns the given player object, loading it if necessary (might block).	1447	Returns the given player object, loading it if necessary (might block).
952		1448
953	=cut	1449	=cut
954		1450
955	sub playerdir($) {	1451	sub playerdir($) {
956	cf::localdir	1452	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1453	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1454	}
962		1455
963	sub path($) {	1456	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1457	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
974		1467
975	sub exists($) {	1468	sub exists($) {
976	my ($login) = @_;	1469	my ($login) = @_;
977		1470
978	$cf::PLAYER{$login}	1471	$cf::PLAYER{$login}
979	or cf::sync_job { !aio_stat path $login }	1472	or !aio_stat path $login
980	}	1473	}
981		1474
982	sub find($) {	1475	sub find($) {
983	return $cf::PLAYER{$_[0]} || do {	1476	return $cf::PLAYER{$_[0]} || do {
984	my $login = $_[0];	1477	my $login = $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1484	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1485	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1486	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1487	aio_unlink +(playerdir $login) . "/$login.pl";
995		1488
996	my $pl = load_pl path $login	1489	my $f = new_from_file cf::object::thawer path $login
997	or return;	1490	or return;
		1491
		1492	my $pl = cf::player::load_pl $f
		1493	or return;
		1494
		1495	local $cf::PLAYER_LOADING{$login} = $pl;
		1496	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1497	$cf::PLAYER{$login} = $pl
999	}	1498	}
1000	}	1499	}
1001	}	1500	}
1002		1501
…		…
1011	return if $pl->{deny_save};	1510	return if $pl->{deny_save};
1012		1511
1013	aio_mkdir playerdir $pl, 0770;	1512	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1513	$pl->{last_save} = $cf::RUNTIME;
1015		1514
		1515	cf::get_slot 0.01;
		1516
1016	$pl->save_pl ($path);	1517	$pl->save_pl ($path);
1017	Coro::cede;	1518	cf::cede_to_tick;
1018	}	1519	}
1019		1520
1020	sub new($) {	1521	sub new($) {
1021	my ($login) = @_;	1522	my ($login) = @_;
1022		1523
…		…
1028	$cf::PLAYER{$login} = $self;	1529	$cf::PLAYER{$login} = $self;
1029		1530
1030	$self	1531	$self
1031	}	1532	}
1032		1533
		1534	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1535
		1536	=cut
		1537
		1538	sub send_msg {
		1539	my $ns = shift->ns
		1540	or return;
		1541	$ns->send_msg (@_);
		1542	}
		1543
1033	=item $pl->quit_character	1544	=item $pl->quit_character
1034		1545
1035	Nukes the player without looking back. If logged in, the connection will	1546	Nukes the player without looking back. If logged in, the connection will
1036	be destroyed. May block for a long time.	1547	be destroyed. May block for a long time.
1037		1548
…		…
1041	my ($pl) = @_;	1552	my ($pl) = @_;
1042		1553
1043	my $name = $pl->ob->name;	1554	my $name = $pl->ob->name;
1044		1555
1045	$pl->{deny_save} = 1;	1556	$pl->{deny_save} = 1;
1046	$pl->password ("*"); # this should lock out the player until we nuked the dir	1557	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1047		1558
1048	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1559	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1049	$pl->deactivate;	1560	$pl->deactivate;
		1561	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1562	$pl->ob->check_score;
1050	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1563	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1051	$pl->ns->destroy if $pl->ns;	1564	$pl->ns->destroy if $pl->ns;
1052		1565
1053	my $path = playerdir $pl;	1566	my $path = playerdir $pl;
1054	my $temp = "$path~$cf::RUNTIME~deleting~";	1567	my $temp = "$path~$cf::RUNTIME~deleting~";
…		…
1084	while and may block, so not sync_job-capable, ever.	1597	while and may block, so not sync_job-capable, ever.
1085		1598
1086	=cut	1599	=cut
1087		1600
1088	sub list_logins {	1601	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1602	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1603	or return [];
1091		1604
1092	my @logins;	1605	my @logins;
1093		1606
1094	for my $login (@$dirs) {	1607	for my $login (@$dirs) {
		1608	my $path = path $login;
		1609
		1610	# a .pst is a dead give-away for a valid player
		1611	# if no pst file found, open and chekc for blocked users
		1612	if (aio_stat "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1613	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1614	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1615	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1616	}
1098		1617
1099	utf8::decode $login;	1618	utf8::decode $login;
1100	push @logins, $login;	1619	push @logins, $login;
1101	}	1620	}
1102		1621
…		…
1129	}	1648	}
1130		1649
1131	\@paths	1650	\@paths
1132	}	1651	}
1133		1652
		1653	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1654
		1655	Expand deliantra pod fragments into protocol xml.
		1656
1134	=item $player->ext_reply ($msgid, %msg)	1657	=item $player->ext_reply ($msgid, @msg)
1135		1658
1136	Sends an ext reply to the player.	1659	Sends an ext reply to the player.
1137		1660
1138	=cut	1661	=cut
1139		1662
1140	sub ext_reply($$%) {	1663	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1664	my ($self, $id, @msg) = @_;
1142		1665
1143	$msg{msgid} = $id;	1666	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1667	}
1147		1668
1148	=item $player->ext_event ($type, %msg)	1669	=item $player->ext_msg ($type, @msg)
1149		1670
1150	Sends an ext event to the client.	1671	Sends an ext event to the client.
1151		1672
1152	=cut	1673	=cut
1153		1674
1154	sub ext_event($$%) {	1675	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1676	my ($self, $type, @msg) = @_;
1156		1677
1157	$self->ns->ext_event ($type, %msg);	1678	$self->ns->ext_msg ($type, @msg);
1158	}	1679	}
1159		1680
1160	=head3 cf::region	1681	=head3 cf::region
1161		1682
1162	=over 4	1683	=over 4
…		…
1165		1686
1166	package cf::region;	1687	package cf::region;
1167		1688
1168	=item cf::region::find_by_path $path	1689	=item cf::region::find_by_path $path
1169		1690
1170	Tries to decuce the probable region for a map knowing only its path.	1691	Tries to decuce the likely region for a map knowing only its path.
1171		1692
1172	=cut	1693	=cut
1173		1694
1174	sub find_by_path($) {	1695	sub find_by_path($) {
1175	my ($path) = @_;	1696	my ($path) = @_;
1176		1697
1177	my ($match, $specificity);	1698	my ($match, $specificity);
1178		1699
1179	for my $region (list) {	1700	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1701	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1702	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1703	if $region->specificity > $specificity;
1183	}	1704	}
1184	}	1705	}
1185		1706
…		…
1206	our $MAX_RESET = 3600;	1727	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1728	our $DEFAULT_RESET = 3000;
1208		1729
1209	sub generate_random_map {	1730	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1731	my ($self, $rmp) = @_;
		1732
		1733	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1734
1211	# mit "rum" bekleckern, nicht	1735	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1736	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1737	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1738	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1739	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1773	my ($self, $merge) = @_;
1250		1774
1251	# we have to keep some variables in memory intact	1775	# we have to keep some variables in memory intact
1252	local $self->{path};	1776	local $self->{path};
1253	local $self->{load_path};	1777	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1778
1257	$self->SUPER::thawer_merge ($merge);	1779	$self->SUPER::thawer_merge ($merge);
1258	}	1780	}
1259		1781
1260	sub normalise {	1782	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1829	$self->init; # pass $1 etc.
1308	return $self;	1830	return $self;
1309	}	1831	}
1310	}	1832	}
1311		1833
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1834	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1835	()
1314	}	1836	}
1315		1837
1316	sub init {	1838	sub init {
1317	my ($self) = @_;	1839	my ($self) = @_;
…		…
1332		1854
1333	# the original (read-only) location	1855	# the original (read-only) location
1334	sub load_path {	1856	sub load_path {
1335	my ($self) = @_;	1857	my ($self) = @_;
1336		1858
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1859	"$MAPDIR/$self->{path}.map"
1338	}	1860	}
1339		1861
1340	# the temporary/swap location	1862	# the temporary/swap location
1341	sub save_path {	1863	sub save_path {
1342	my ($self) = @_;	1864	my ($self) = @_;
1343		1865
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1866	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1867	"$TMPDIR/$path.map"
1346	}	1868	}
1347		1869
1348	# the unique path, undef == no special unique path	1870	# the unique path, undef == no special unique path
1349	sub uniq_path {	1871	sub uniq_path {
1350	my ($self) = @_;	1872	my ($self) = @_;
1351		1873
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1874	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1875	"$UNIQUEDIR/$path"
1354	}	1876	}
1355		1877
1356	# and all this just because we cannot iterate over	1878	sub decay_objects {
1357	# all maps in C++...
1358	sub change_all_map_light {
1359	my ($change) = @_;	1879	my ($self) = @_;
1360		1880
1361	$_->change_map_light ($change)	1881	return if $self->{deny_reset};
1362	for grep $_->outdoor, values %cf::MAP;	1882
		1883	$self->do_decay_objects;
1363	}	1884	}
1364		1885
1365	sub unlink_save {	1886	sub unlink_save {
1366	my ($self) = @_;	1887	my ($self) = @_;
1367		1888
…		…
1372		1893
1373	sub load_header_from($) {	1894	sub load_header_from($) {
1374	my ($self, $path) = @_;	1895	my ($self, $path) = @_;
1375		1896
1376	utf8::encode $path;	1897	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1898	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1899	or return;
		1900
		1901	$self->_load_header ($f)
		1902	or return;
		1903
		1904	local $MAP_LOADING{$self->{path}} = $self;
		1905	$f->resolve_delayed_derefs;
1382		1906
1383	$self->{load_path} = $path;	1907	$self->{load_path} = $path;
1384		1908
1385	1	1909	1
1386	}	1910	}
…		…
1425	$self->load_header_orig	1949	$self->load_header_orig
1426	or return;	1950	or return;
1427	$self->prepare_orig;	1951	$self->prepare_orig;
1428	}	1952	}
1429		1953
		1954	$self->{deny_reset} = 1
		1955	if $self->no_reset;
		1956
1430	$self->default_region (cf::region::find_by_path $self->{path})	1957	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1958	unless $self->default_region;
1432		1959
1433	1	1960	1
1434	}	1961	}
…		…
1437	sub find {	1964	sub find {
1438	my ($path, $origin) = @_;	1965	my ($path, $origin) = @_;
1439		1966
1440	$path = normalise $path, $origin && $origin->path;	1967	$path = normalise $path, $origin && $origin->path;
1441		1968
		1969	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1970	my $guard2 = cf::lock_acquire "map_find:$path";
1443		1971
1444	$cf::MAP{$path} || do {	1972	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";
1446	my $map = new_from_path cf::map $path	1973	my $map = new_from_path cf::map $path
1447	or return;	1974	or return;
1448		1975
1449	$map->{last_save} = $cf::RUNTIME;	1976	$map->{last_save} = $cf::RUNTIME;
1450		1977
1451	$map->load_header	1978	$map->load_header
1452	or return;	1979	or return;
1453		1980
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1981	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1982	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1983	#$cf::WAIT_FOR_TICK->wait;
		1984	undef $guard2;
		1985	undef $guard1;
1457	$map->reset;	1986	$map->reset;
1458	undef $guard;
1459	return find $path;	1987	return find $path;
1460	}	1988	}
1461		1989
1462	$cf::MAP{$path} = $map	1990	$cf::MAP{$path} = $map
1463	}	1991	}
…		…
1470	my ($self) = @_;	1998	my ($self) = @_;
1471		1999
1472	local $self->{deny_reset} = 1; # loading can take a long time	2000	local $self->{deny_reset} = 1; # loading can take a long time
1473		2001
1474	my $path = $self->{path};	2002	my $path = $self->{path};
		2003
		2004	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2005	my $guard = cf::lock_acquire "map_data:$path";
1476		2006
		2007	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2008	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2009
1479	$self->in_memory (cf::MAP_LOADING);	2010	$self->in_memory (cf::MAP_LOADING);
1480		2011
1481	$self->alloc;	2012	$self->alloc;
1482		2013
1483	$self->pre_load;	2014	$self->pre_load;
1484	Coro::cede;	2015	cf::cede_to_tick;
1485		2016
1486	$self->_load_objects ($self->{load_path}, 1)	2017	my $f = new_from_file cf::object::thawer $self->{load_path};
		2018	$f->skip_block;
		2019	$self->_load_objects ($f)
1487	or return;	2020	or return;
1488		2021
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2022	$self->post_load_original
1490	if delete $self->{load_original};	2023	if delete $self->{load_original};
1491		2024
1492	if (my $uniq = $self->uniq_path) {	2025	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2026	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2027	unless (aio_stat $uniq) {
		2028	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2029	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2030	$self->_load_objects ($f);
		2031	$f->resolve_delayed_derefs;
		2032	}
1497	}	2033	}
1498	}	2034	}
1499		2035
1500	Coro::cede;	2036	$f->resolve_delayed_derefs;
		2037
		2038	cf::cede_to_tick;
1501	# now do the right thing for maps	2039	# now do the right thing for maps
1502	$self->link_multipart_objects;	2040	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2041	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2042	unless $self->difficulty;
1513	Coro::cede;	2043	cf::cede_to_tick;
		2044
		2045	unless ($self->{deny_activate}) {
		2046	$self->decay_objects;
		2047	$self->fix_auto_apply;
		2048	$self->update_buttons;
		2049	cf::cede_to_tick;
1514	$self->activate;	2050	$self->activate;
1515	Coro::cede;	2051	}
		2052
		2053	$self->{last_save} = $cf::RUNTIME;
		2054	$self->last_access ($cf::RUNTIME);
		2055
		2056	$self->in_memory (cf::MAP_ACTIVE);
1516	}	2057	}
1517		2058
1518	$self->post_load;	2059	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2060	}
1523		2061
1524	sub customise_for {	2062	sub customise_for {
1525	my ($self, $ob) = @_;	2063	my ($self, $ob) = @_;
1526		2064
1527	return find "~" . $ob->name . "/" . $self->{path}	2065	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2066	if $self->per_player;
1529		2067
		2068	# return find "?party/" . $ob->name . "/" . $self->{path}
		2069	# if $self->per_party;
		2070
1530	$self	2071	$self
1531	}	2072	}
1532		2073
1533	# find and load all maps in the 3x3 area around a map	2074	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2075	sub load_neighbours {
1535	my ($map) = @_;	2076	my ($map) = @_;
1536		2077
1537	my @diag; # diagonal neighbours	2078	my @neigh; # diagonal neighbours
1538		2079
1539	for (0 .. 3) {	2080	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2081	my $neigh = $map->tile_path ($_)
1541	or next;	2082	or next;
1542	$neigh = find $neigh, $map	2083	$neigh = find $neigh, $map
1543	or next;	2084	or next;
1544	$neigh->load;	2085	$neigh->load;
1545		2086
		2087	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2088	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2089	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2090	}
1549		2091
1550	for (@diag) {	2092	for (grep defined $_->[0], @neigh) {
		2093	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2094	my $neigh = find $path, $origin
1552	or next;	2095	or next;
1553	$neigh->load;	2096	$neigh->load;
1554	}	2097	}
1555	}	2098	}
1556		2099
…		…
1561	}	2104	}
1562		2105
1563	sub do_load_sync {	2106	sub do_load_sync {
1564	my ($map) = @_;	2107	my ($map) = @_;
1565		2108
		2109	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2110	if $Coro::current == $Coro::main;
		2111
1566	cf::sync_job { $map->load };	2112	cf::sync_job { $map->load };
1567	}	2113	}
1568		2114
1569	our %MAP_PREFETCH;	2115	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2116	our $MAP_PREFETCHER = undef;
1571		2117
1572	sub find_async {	2118	sub find_async {
1573	my ($path, $origin) = @_;	2119	my ($path, $origin, $load) = @_;
1574		2120
1575	$path = normalise $path, $origin && $origin->{path};	2121	$path = normalise $path, $origin && $origin->{path};
1576		2122
1577	if (my $map = $cf::MAP{$path}) {	2123	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2124	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1579	}	2125	}
1580		2126
1581	undef $MAP_PREFETCH{$path};	2127	$MAP_PREFETCH{$path} |= $load;
		2128
1582	$MAP_PREFETCHER ||= cf::async {	2129	$MAP_PREFETCHER ||= cf::async {
		2130	$Coro::current->{desc} = "map prefetcher";
		2131
1583	while (%MAP_PREFETCH) {	2132	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2133	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2134	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2135	$map->load if $v;
		2136	}
1588		2137
1589	delete $MAP_PREFETCH{$path};	2138	delete $MAP_PREFETCH{$k};
1590	}	2139	}
1591	}	2140	}
1592	undef $MAP_PREFETCHER;	2141	undef $MAP_PREFETCHER;
1593	};	2142	};
1594	$MAP_PREFETCHER->prio (6);	2143	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2146	}
1598		2147
1599	sub save {	2148	sub save {
1600	my ($self) = @_;	2149	my ($self) = @_;
1601		2150
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2151	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2152
1604	$self->{last_save} = $cf::RUNTIME;	2153	$self->{last_save} = $cf::RUNTIME;
1605		2154
1606	return unless $self->dirty;	2155	return unless $self->dirty;
1607		2156
…		…
1613	return if $self->{deny_save};	2162	return if $self->{deny_save};
1614		2163
1615	local $self->{last_access} = $self->last_access;#d#	2164	local $self->{last_access} = $self->last_access;#d#
1616		2165
1617	cf::async {	2166	cf::async {
		2167	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2168	$_->contr->save for $self->players;
1619	};	2169	};
		2170
		2171	cf::get_slot 0.02;
1620		2172
1621	if ($uniq) {	2173	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2174	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1623	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2175	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1624	} else {	2176	} else {
…		…
1630	my ($self) = @_;	2182	my ($self) = @_;
1631		2183
1632	# save first because save cedes	2184	# save first because save cedes
1633	$self->save;	2185	$self->save;
1634		2186
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2187	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2188
1637	return if $self->players;	2189	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2190	return if $self->in_memory != cf::MAP_ACTIVE;
1639	return if $self->{deny_save};	2191	return if $self->{deny_save};
1640		2192
		2193	$self->in_memory (cf::MAP_SWAPPED);
		2194
		2195	$self->deactivate;
		2196	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2197	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2198	}
1644		2199
1645	sub reset_at {	2200	sub reset_at {
1646	my ($self) = @_;	2201	my ($self) = @_;
1647		2202
1648	# TODO: safety, remove and allow resettable per-player maps	2203	# 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};	2204	return 1e99 if $self->{deny_reset};
1651		2205
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2206	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2207	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2208
…		…
1665	my ($self) = @_;	2219	my ($self) = @_;
1666		2220
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2222
1669	return if $self->players;	2223	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2224
1672	warn "resetting map ", $self->path;#d#	2225	warn "resetting map ", $self->path;
1673		2226
1674	$self->in_memory (cf::MAP_SWAPPED);	2227	$self->in_memory (cf::MAP_SWAPPED);
1675		2228
1676	# need to save uniques path	2229	# need to save uniques path
1677	unless ($self->{deny_save}) {	2230	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2234	if $uniq;
1682	}	2235	}
1683		2236
1684	delete $cf::MAP{$self->path};	2237	delete $cf::MAP{$self->path};
1685		2238
		2239	$self->deactivate;
		2240	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2241	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2242
1690	$self->unlink_save;	2243	$self->unlink_save;
1691	$self->destroy;	2244	$self->destroy;
1692	}	2245	}
1693		2246
1694	my $nuke_counter = "aaaa";	2247	my $nuke_counter = "aaaa";
1695		2248
1696	sub nuke {	2249	sub nuke {
1697	my ($self) = @_;	2250	my ($self) = @_;
1698		2251
		2252	{
		2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2254
1699	delete $cf::MAP{$self->path};	2255	delete $cf::MAP{$self->path};
1700		2256
1701	$self->unlink_save;	2257	$self->unlink_save;
1702		2258
1703	bless $self, "cf::map";	2259	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2260	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2261	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2262	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2263	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2264
1709	$cf::MAP{$self->path} = $self;	2265	$cf::MAP{$self->path} = $self;
		2266	}
1710		2267
1711	$self->reset; # polite request, might not happen	2268	$self->reset; # polite request, might not happen
		2269	}
		2270
		2271	=item $maps = cf::map::tmp_maps
		2272
		2273	Returns an arrayref with all map paths of currently instantiated and saved
		2274	maps. May block.
		2275
		2276	=cut
		2277
		2278	sub tmp_maps() {
		2279	[
		2280	map {
		2281	utf8::decode $_;
		2282	/\.map$/
		2283	? normalise $_
		2284	: ()
		2285	} @{ aio_readdir $TMPDIR or [] }
		2286	]
		2287	}
		2288
		2289	=item $maps = cf::map::random_maps
		2290
		2291	Returns an arrayref with all map paths of currently instantiated and saved
		2292	random maps. May block.
		2293
		2294	=cut
		2295
		2296	sub random_maps() {
		2297	[
		2298	map {
		2299	utf8::decode $_;
		2300	/\.map$/
		2301	? normalise "?random/$_"
		2302	: ()
		2303	} @{ aio_readdir $RANDOMDIR or [] }
		2304	]
1712	}	2305	}
1713		2306
1714	=item cf::map::unique_maps	2307	=item cf::map::unique_maps
1715		2308
1716	Returns an arrayref of paths of all shared maps that have	2309	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2310	instantiated unique items. May block.
1718		2311
1719	=cut	2312	=cut
1720		2313
1721	sub unique_maps() {	2314	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2315	[
1723	or return;	2316	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2317	utf8::decode $_;
1729	next if /\.pst$/;	2318	s/\.map$//; # TODO future compatibility hack
1730	next unless /^$PATH_SEP/o;	2319	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1731		2320	? ()
1732	push @paths, cf::map::normalise $_;	2321	: normalise $_
		2322	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2323	]
1734
1735	\@paths
1736	}	2324	}
1737
1738	package cf;
1739		2325
1740	=back	2326	=back
1741		2327
1742	=head3 cf::object	2328	=head3 cf::object
1743		2329
…		…
1747		2333
1748	=over 4	2334	=over 4
1749		2335
1750	=item $ob->inv_recursive	2336	=item $ob->inv_recursive
1751		2337
1752	Returns the inventory of the object _and_ their inventories, recursively.	2338	Returns the inventory of the object I<and> their inventories, recursively,
		2339	but I<not> the object itself.
1753		2340
1754	=cut	2341	=cut
1755		2342
1756	sub inv_recursive_;	2343	sub inv_recursive_;
1757	sub inv_recursive_ {	2344	sub inv_recursive_ {
…		…
1760		2347
1761	sub inv_recursive {	2348	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2349	inv_recursive_ inv $_[0]
1763	}	2350	}
1764		2351
		2352	=item $ref = $ob->ref
		2353
		2354	Creates and returns a persistent reference to an object that can be stored as a string.
		2355
		2356	=item $ob = cf::object::deref ($refstring)
		2357
		2358	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2359	even if the object actually exists. May block.
		2360
		2361	=cut
		2362
		2363	sub deref {
		2364	my ($ref) = @_;
		2365
		2366	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2367	my ($uuid, $name) = ($1, $2);
		2368	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2369	or return;
		2370	$pl->ob->uuid eq $uuid
		2371	or return;
		2372
		2373	$pl->ob
		2374	} else {
		2375	warn "$ref: cannot resolve object reference\n";
		2376	undef
		2377	}
		2378	}
		2379
1765	package cf;	2380	package cf;
1766		2381
1767	=back	2382	=back
1768		2383
1769	=head3 cf::object::player	2384	=head3 cf::object::player
…		…
1775	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2390	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	2391	can be C<undef>. Does the right thing when the player is currently in a
1777	dialogue with the given NPC character.	2392	dialogue with the given NPC character.
1778		2393
1779	=cut	2394	=cut
		2395
		2396	our $SAY_CHANNEL = {
		2397	id => "say",
		2398	title => "Map",
		2399	reply => "say ",
		2400	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2401	};
		2402
		2403	our $CHAT_CHANNEL = {
		2404	id => "chat",
		2405	title => "Chat",
		2406	reply => "chat ",
		2407	tooltip => "Player chat and shouts, global to the server.",
		2408	};
1780		2409
1781	# rough implementation of a future "reply" method that works	2410	# rough implementation of a future "reply" method that works
1782	# with dialog boxes.	2411	# with dialog boxes.
1783	#TODO: the first argument must go, split into a $npc->reply_to ( method	2412	#TODO: the first argument must go, split into a $npc->reply_to ( method
1784	sub cf::object::player::reply($$$;$) {	2413	sub cf::object::player::reply($$$;$) {
…		…
1786		2415
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2416	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2417
1789	if ($self->{record_replies}) {	2418	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2419	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2420
1791	} else {	2421	} else {
		2422	my $pl = $self->contr;
		2423
		2424	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2425	my $dialog = $pl->{npc_dialog};
		2426	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2427
		2428	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2429	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2430	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2431	}
1794	}	2432	}
		2433	}
		2434
		2435	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2436
		2437	=cut
		2438
		2439	sub cf::object::send_msg {
		2440	my $pl = shift->contr
		2441	or return;
		2442	$pl->send_msg (@_);
1795	}	2443	}
1796		2444
1797	=item $player_object->may ("access")	2445	=item $player_object->may ("access")
1798		2446
1799	Returns wether the given player is authorized to access resource "access"	2447	Returns wether the given player is authorized to access resource "access"
…		…
1812		2460
1813	=item $player_object->enter_link	2461	=item $player_object->enter_link
1814		2462
1815	Freezes the player and moves him/her to a special map (C<{link}>).	2463	Freezes the player and moves him/her to a special map (C<{link}>).
1816		2464
1817	The player should be reasonably safe there for short amounts of time. You	2465	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.	2466	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2467	though, as the palyer cannot control the character while it is on the link
		2468	map.
1819		2469
1820	Will never block.	2470	Will never block.
1821		2471
1822	=item $player_object->leave_link ($map, $x, $y)	2472	=item $player_object->leave_link ($map, $x, $y)
1823		2473
…		…
1846	$self->deactivate_recursive;	2496	$self->deactivate_recursive;
1847		2497
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2498	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2499
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2500	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2501	if $self->map && $self->map->{path} ne "{link}";
1852		2502
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2503	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2504	}
1855		2505
1856	sub cf::object::player::leave_link {	2506	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2507	my ($self, $map, $x, $y) = @_;
		2508
		2509	return unless $self->contr->active;
1858		2510
1859	my $link_pos = delete $self->{_link_pos};	2511	my $link_pos = delete $self->{_link_pos};
1860		2512
1861	unless ($map) {	2513	unless ($map) {
1862	# restore original map position	2514	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2528	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2529	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2530	if $x <=0 && $y <= 0;
1879		2531
1880	$map->load;	2532	$map->load;
1881	$map->load_diag;	2533	$map->load_neighbours;
1882		2534
1883	return unless $self->contr->active;	2535	return unless $self->contr->active;
1884	$self->activate_recursive;
1885		2536
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2537	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2538	$self->enter_map ($map, $x, $y);
1888	}
1889		2539
1890	cf::player->attach (	2540	# only activate afterwards, to support waiting in hooks
1891	on_logout => sub {	2541	$self->activate_recursive;
1892	my ($pl) = @_;	2542	}
1893		2543
1894	# abort map switching before logout	2544	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	if ($pl->ob->{_link_pos}) {
1896	cf::sync_job {
1897	$pl->ob->leave_link
1898	};
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2545
1904	# try to abort aborted map switching on player login :)	2546	Moves the player to the given map-path and coordinates by first freezing
1905	# should happen only on crashes	2547	her, loading and preparing them map, calling the provided $check callback
1906	if ($pl->ob->{_link_pos}) {	2548	that has to return the map if sucecssful, and then unfreezes the player on
1907	$pl->ob->enter_link;	2549	the new (success) or old (failed) map position. In either case, $done will
1908	(async {	2550	be called at the end of this process.
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		2551
1922	=item $player_object->goto ($path, $x, $y)	2552	Note that $check will be called with a potentially non-loaded map, so if
		2553	it needs a loaded map it has to call C<< ->load >>.
1923		2554
1924	=cut	2555	=cut
		2556
		2557	our $GOTOGEN;
1925		2558
1926	sub cf::object::player::goto {	2559	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2560	my ($self, $path, $x, $y, $check, $done) = @_;
		2561
		2562	# do generation counting so two concurrent goto's will be executed in-order
		2563	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2564
1929	$self->enter_link;	2565	$self->enter_link;
1930		2566
1931	(async {	2567	(async {
		2568	$Coro::current->{desc} = "player::goto $path $x $y";
		2569
		2570	# *tag paths override both path and x|y
		2571	if ($path =~ /^\*(.*)$/) {
		2572	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2573	my $ob = $obs[rand @obs];
		2574
		2575	# see if we actually can go there
		2576	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2577	$ob = $obs[rand @obs];
		2578	} else {
		2579	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2580	}
		2581	# else put us there anyways for now #d#
		2582
		2583	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2584	} else {
		2585	($path, $x, $y) = (undef, undef, undef);
		2586	}
		2587	}
		2588
1932	my $map = eval {	2589	my $map = eval {
1933	my $map = cf::map::find $path;	2590	my $map = defined $path ? cf::map::find $path : undef;
		2591
		2592	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2593	$map = $map->customise_for ($self);
		2594	$map = $check->($map) if $check && $map;
		2595	} else {
		2596	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2597	}
		2598
1935	$map	2599	$map
		2600	};
		2601
		2602	if ($@) {
		2603	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2604	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2605	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2606
		2607	if ($gen == $self->{_goto_generation}) {
		2608	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2609	$self->leave_link ($map, $x, $y);
		2610	}
		2611
		2612	$done->() if $done;
1940	})->prio (1);	2613	})->prio (1);
1941	}	2614	}
1942		2615
1943	=item $player_object->enter_exit ($exit_object)	2616	=item $player_object->enter_exit ($exit_object)
1944		2617
…		…
1964	}	2637	}
1965		2638
1966	sub prepare_random_map {	2639	sub prepare_random_map {
1967	my ($exit) = @_;	2640	my ($exit) = @_;
1968		2641
1969	my $guard = cf::lock_acquire "exit_prepare:$exit";
1970
1971	# all this does is basically replace the /! path by	2642	# all this does is basically replace the /! path by
1972	# a new random map path (?random/...) with a seed	2643	# a new random map path (?random/...) with a seed
1973	# that depends on the exit object	2644	# that depends on the exit object
1974		2645
1975	my $rmp = parse_random_map_params $exit->msg;	2646	my $rmp = parse_random_map_params $exit->msg;
…		…
1977	if ($exit->map) {	2648	if ($exit->map) {
1978	$rmp->{region} = $exit->region->name;	2649	$rmp->{region} = $exit->region->name;
1979	$rmp->{origin_map} = $exit->map->path;	2650	$rmp->{origin_map} = $exit->map->path;
1980	$rmp->{origin_x} = $exit->x;	2651	$rmp->{origin_x} = $exit->x;
1981	$rmp->{origin_y} = $exit->y;	2652	$rmp->{origin_y} = $exit->y;
		2653
		2654	$exit->map->touch;
1982	}	2655	}
1983		2656
1984	$rmp->{random_seed} ||= $exit->random_seed;	2657	$rmp->{random_seed} ||= $exit->random_seed;
1985		2658
1986	my $data = cf::to_json $rmp;	2659	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1987	my $md5 = Digest::MD5::md5_hex $data;	2660	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2661	my $meta = "$RANDOMDIR/$md5.meta";
1989		2662
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2663	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2664	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2665	undef $fh;
1993	aio_rename "$meta~", $meta;	2666	aio_rename "$meta~", $meta;
1994		2667
		2668	my $slaying = "?random/$md5";
		2669
		2670	if ($exit->valid) {
1995	$exit->slaying ("?random/$md5");	2671	$exit->slaying ("?random/$md5");
1996	$exit->msg (undef);	2672	$exit->msg (undef);
		2673	}
1997	}	2674	}
1998	}	2675	}
1999		2676
2000	sub cf::object::player::enter_exit {	2677	sub cf::object::player::enter_exit {
2001	my ($self, $exit) = @_;	2678	my ($self, $exit) = @_;
2002		2679
2003	return unless $self->type == cf::PLAYER;	2680	return unless $self->type == cf::PLAYER;
2004		2681
2005	if ($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;	2682	$self->enter_link;
2017		2683
2018	(async {	2684	(async {
2019	$self->deactivate_recursive; # just to be sure	2685	$Coro::current->{desc} = "enter_exit";
		2686
2020	unless (eval {	2687	unless (eval {
		2688	$self->deactivate_recursive; # just to be sure
		2689
		2690	# random map handling
		2691	{
		2692	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2693
		2694	prepare_random_map $exit
		2695	if $exit->slaying eq "/!";
		2696	}
		2697
		2698	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2699	my $x = $exit->stats->hp;
		2700	my $y = $exit->stats->sp;
		2701
2021	$self->goto ($slaying, $hp, $sp);	2702	$self->goto ($map, $x, $y);
2022		2703
		2704	# if exit is damned, update players death & WoR home-position
		2705	$self->contr->savebed ($map, $x, $y)
		2706	if $exit->flag (cf::FLAG_DAMNED);
		2707
2023	1;	2708	1
2024	}) {	2709	}) {
2025	$self->message ("Something went wrong deep within the crossfire server. "	2710	$self->message ("Something went wrong deep within the deliantra server. "
2026	. "I'll try to bring you back to the map you were before. "	2711	. "I'll try to bring you back to the map you were before. "
2027	. "Please report this to the dungeon master!",	2712	. "Please report this to the dungeon master!",
2028	cf::NDI_UNIQUE | cf::NDI_RED);	2713	cf::NDI_UNIQUE | cf::NDI_RED);
2029		2714
2030	warn "ERROR in enter_exit: $@";	2715	warn "ERROR in enter_exit: $@";
…		…
2049		2734
2050	utf8::encode $text;	2735	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2736	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2737	}
2053		2738
		2739	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2740
		2741	Send a drawinfo or msg packet to the client, formatting the msg for the
		2742	client if neccessary. C<$type> should be a string identifying the type of
		2743	the message, with C<log> being the default. If C<$color> is negative, suppress
		2744	the message unless the client supports the msg packet.
		2745
		2746	=cut
		2747
		2748	# non-persistent channels (usually the info channel)
		2749	our %CHANNEL = (
		2750	"c/identify" => {
		2751	id => "infobox",
		2752	title => "Identify",
		2753	reply => undef,
		2754	tooltip => "Items recently identified",
		2755	},
		2756	"c/examine" => {
		2757	id => "infobox",
		2758	title => "Examine",
		2759	reply => undef,
		2760	tooltip => "Signs and other items you examined",
		2761	},
		2762	"c/book" => {
		2763	id => "infobox",
		2764	title => "Book",
		2765	reply => undef,
		2766	tooltip => "The contents of a note or book",
		2767	},
		2768	"c/lookat" => {
		2769	id => "infobox",
		2770	title => "Look",
		2771	reply => undef,
		2772	tooltip => "What you saw there",
		2773	},
		2774	"c/who" => {
		2775	id => "infobox",
		2776	title => "Players",
		2777	reply => undef,
		2778	tooltip => "Shows players who are currently online",
		2779	},
		2780	"c/body" => {
		2781	id => "infobox",
		2782	title => "Body Parts",
		2783	reply => undef,
		2784	tooltip => "Shows which body parts you posess and are available",
		2785	},
		2786	"c/statistics" => {
		2787	id => "infobox",
		2788	title => "Statistics",
		2789	reply => undef,
		2790	tooltip => "Shows your primary statistics",
		2791	},
		2792	"c/skills" => {
		2793	id => "infobox",
		2794	title => "Skills",
		2795	reply => undef,
		2796	tooltip => "Shows your experience per skill and item power",
		2797	},
		2798	"c/shopitems" => {
		2799	id => "infobox",
		2800	title => "Shop Items",
		2801	reply => undef,
		2802	tooltip => "Shows the items currently for sale in this shop",
		2803	},
		2804	"c/resistances" => {
		2805	id => "infobox",
		2806	title => "Resistances",
		2807	reply => undef,
		2808	tooltip => "Shows your resistances",
		2809	},
		2810	"c/pets" => {
		2811	id => "infobox",
		2812	title => "Pets",
		2813	reply => undef,
		2814	tooltip => "Shows information abotu your pets/a specific pet",
		2815	},
		2816	"c/perceiveself" => {
		2817	id => "infobox",
		2818	title => "Perceive Self",
		2819	reply => undef,
		2820	tooltip => "You gained detailed knowledge about yourself",
		2821	},
		2822	"c/uptime" => {
		2823	id => "infobox",
		2824	title => "Uptime",
		2825	reply => undef,
		2826	tooltip => "How long the server has been running since last restart",
		2827	},
		2828	"c/mapinfo" => {
		2829	id => "infobox",
		2830	title => "Map Info",
		2831	reply => undef,
		2832	tooltip => "Information related to the maps",
		2833	},
		2834	"c/party" => {
		2835	id => "party",
		2836	title => "Party",
		2837	reply => "gsay ",
		2838	tooltip => "Messages and chat related to your party",
		2839	},
		2840	"c/death" => {
		2841	id => "death",
		2842	title => "Death",
		2843	reply => undef,
		2844	tooltip => "Reason for and more info about your most recent death",
		2845	},
		2846	"c/say" => $SAY_CHANNEL,
		2847	"c/chat" => $CHAT_CHANNEL,
		2848	);
		2849
		2850	sub cf::client::send_msg {
		2851	my ($self, $channel, $msg, $color, @extra) = @_;
		2852
		2853	$msg = $self->pl->expand_cfpod ($msg)
		2854	unless $color & cf::NDI_VERBATIM;
		2855
		2856	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2857
		2858	# check predefined channels, for the benefit of C
		2859	if ($CHANNEL{$channel}) {
		2860	$channel = $CHANNEL{$channel};
		2861
		2862	$self->ext_msg (channel_info => $channel);
		2863	$channel = $channel->{id};
		2864
		2865	} elsif (ref $channel) {
		2866	# send meta info to client, if not yet sent
		2867	unless (exists $self->{channel}{$channel->{id}}) {
		2868	$self->{channel}{$channel->{id}} = $channel;
		2869	$self->ext_msg (channel_info => $channel);
		2870	}
		2871
		2872	$channel = $channel->{id};
		2873	}
		2874
		2875	return unless @extra || length $msg;
		2876
		2877	# default colour, mask it out
		2878	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2879	if $color & cf::NDI_DEF;
		2880
		2881	my $pkt = "msg "
		2882	. $self->{json_coder}->encode (
		2883	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		2884	);
		2885
		2886	# try lzf for large packets
		2887	$pkt = "lzf " . Compress::LZF::compress $pkt
		2888	if 1024 <= length $pkt and $self->{can_lzf};
		2889
		2890	# split very large packets
		2891	if (8192 < length $pkt and $self->{can_lzf}) {
		2892	$self->send_packet ("frag $_") for unpack "(a8192)*", $pkt;
		2893	$pkt = "frag";
		2894	}
		2895
		2896	$self->send_packet ($pkt);
		2897	}
		2898
2054	=item $client->ext_event ($type, %msg)	2899	=item $client->ext_msg ($type, @msg)
2055		2900
2056	Sends an exti event to the client.	2901	Sends an ext event to the client.
2057		2902
2058	=cut	2903	=cut
2059		2904
2060	sub cf::client::ext_event($$%) {	2905	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2906	my ($self, $type, @msg) = @_;
2062		2907
		2908	if ($self->extcmd == 2) {
		2909	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2910	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2911	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2912	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2913	}
		2914	}
		2915
		2916	=item $client->ext_reply ($msgid, @msg)
		2917
		2918	Sends an ext reply to the client.
		2919
		2920	=cut
		2921
		2922	sub cf::client::ext_reply($$@) {
		2923	my ($self, $id, @msg) = @_;
		2924
		2925	if ($self->extcmd == 2) {
		2926	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2927	} elsif ($self->extcmd == 1) {
		2928	#TODO: version 1, remove
		2929	unshift @msg, msgtype => "reply", msgid => $id;
		2930	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2931	}
2065	}	2932	}
2066		2933
2067	=item $success = $client->query ($flags, "text", \&cb)	2934	=item $success = $client->query ($flags, "text", \&cb)
2068		2935
2069	Queues a query to the client, calling the given callback with	2936	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>,	2937	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>.	2938	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2939
2073	Queries can fail, so check the return code. Or don't, as queries will become	2940	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2941	become reliable at some point in the future.
2075		2942
2076	=cut	2943	=cut
2077		2944
2078	sub cf::client::query {	2945	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2946	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2954	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2955	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2956
2090	$self->send_packet ($self->{query_queue}[0][0])	2957	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2958	if @{ $self->{query_queue} } == 1;
		2959
		2960	1
2092	}	2961	}
2093		2962
2094	cf::client->attach (	2963	cf::client->attach (
		2964	on_connect => sub {
		2965	my ($ns) = @_;
		2966
		2967	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2968	},
2095	on_reply => sub {	2969	on_reply => sub {
2096	my ($ns, $msg) = @_;	2970	my ($ns, $msg) = @_;
2097		2971
2098	# this weird shuffling is so that direct followup queries	2972	# this weird shuffling is so that direct followup queries
2099	# get handled first	2973	# get handled first
…		…
2111	} else {	2985	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2986	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2987	}
2114	}	2988	}
2115	},	2989	},
		2990	on_exticmd => sub {
		2991	my ($ns, $buf) = @_;
		2992
		2993	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2994
		2995	if (ref $msg) {
		2996	my ($type, $reply, @payload) =
		2997	"ARRAY" eq ref $msg
		2998	? @$msg
		2999	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3000
		3001	my @reply;
		3002
		3003	if (my $cb = $EXTICMD{$type}) {
		3004	@reply = $cb->($ns, @payload);
		3005	}
		3006
		3007	$ns->ext_reply ($reply, @reply)
		3008	if $reply;
		3009
		3010	} else {
		3011	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3012	}
		3013
		3014	cf::override;
		3015	},
2116	);	3016	);
2117		3017
2118	=item $client->async (\&cb)	3018	=item $client->async (\&cb)
2119		3019
2120	Create a new coroutine, running the specified callback. The coroutine will	3020	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3061	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3062	our $safe_hole = new Safe::Hole;
2163		3063
2164	$SIG{FPE} = 'IGNORE';	3064	$SIG{FPE} = 'IGNORE';
2165		3065
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3066	$safe->permit_only (Opcode::opset qw(
		3067	:base_core :base_mem :base_orig :base_math
		3068	grepstart grepwhile mapstart mapwhile
		3069	sort time
		3070	));
2167		3071
2168	# here we export the classes and methods available to script code	3072	# here we export the classes and methods available to script code
2169		3073
2170	=pod	3074	=pod
2171		3075
2172	The following functions and methods are available within a safe environment:	3076	The following functions and methods are available within a safe environment:
2173		3077
2174	cf::object contr pay_amount pay_player map	3078	cf::object
		3079	contr pay_amount pay_player map x y force_find force_add destroy
		3080	insert remove name archname title slaying race decrease split
		3081	value
		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 value msg lore send_msg)],
2183	["cf::object::player" => qw(player)],	3098	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3099	["cf::player" => qw(peaceful send_msg)],
2185	["cf::map" => qw(trigger)],	3100	["cf::map" => qw(trigger)],
2186	) {	3101	) {
2187	no strict 'refs';	3102	no strict 'refs';
2188	my ($pkg, @funs) = @$_;	3103	my ($pkg, @funs) = @$_;
2189	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3104	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2206	my ($code, %vars) = @_;	3121	my ($code, %vars) = @_;
2207		3122
2208	my $qcode = $code;	3123	my $qcode = $code;
2209	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3124	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2210	$qcode =~ s/\n/\\n/g;	3125	$qcode =~ s/\n/\\n/g;
		3126
		3127	%vars = (_dummy => 0) unless %vars;
2211		3128
2212	local $_;	3129	local $_;
2213	local @safe::cf::_safe_eval_args = values %vars;	3130	local @safe::cf::_safe_eval_args = values %vars;
2214		3131
2215	my $eval =	3132	my $eval =
…		…
2258	=back	3175	=back
2259		3176
2260	=cut	3177	=cut
2261		3178
2262	#############################################################################	3179	#############################################################################
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	3180	# the server's init and main functions
2336		3181
2337	sub load_facedata {	3182	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3190
2340	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2341		3192
2342	my $facedata;	3193	my $facedata;
2343	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2347		3198
2348	$facedata->{version} == 2	3199	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2351	{	3209	{
2352	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2353		3211
2354	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3219
		3220	cf::cede_to_tick;
2360	}	3221	}
2361		3222
2362	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2364	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2365	or next;	3227	or next;
		3228
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3232	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3234	}
2371	Coro::cede;	3235
		3236	cf::cede_to_tick;
2372	}	3237	}
2373	}	3238	}
2374		3239
2375	{	3240	{
2376	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2377		3242
2378	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3245	cf::cede_to_tick;
2381	}	3246	}
2382		3247
2383	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2384	}	3249	}
2385		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2386	1	3286	1
2387	}	3287	}
2388		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
		3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
2389	sub reload_resources {	3356	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3357	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3358
2392	load_facedata	3359	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3360	reload_archetypes;
2394	}
2395
2396	sub init {
2397	reload_resources;	3361	reload_regions;
2398	}	3362	reload_treasures;
2399		3363
2400	sub cfg_load {	3364	warn "finished reloading resource files\n";
		3365	}
		3366
		3367	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3368	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3369	or return;
2403		3370
2404	local $/;	3371	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3372	*CFG = YAML::Load <$fh>;
2406		3373
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3374	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3375
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3376	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2410	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3377	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2416	};	3383	};
2417	warn $@ if $@;	3384	warn $@ if $@;
2418	}	3385	}
2419	}	3386	}
2420		3387
		3388	sub pidfile() {
		3389	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3390	or die "$PIDFILE: $!";
		3391	flock $fh, &Fcntl::LOCK_EX
		3392	or die "$PIDFILE: flock: $!";
		3393	$fh
		3394	}
		3395
		3396	# make sure only one server instance is running at any one time
		3397	sub atomic {
		3398	my $fh = pidfile;
		3399
		3400	my $pid = <$fh>;
		3401	kill 9, $pid if $pid > 0;
		3402
		3403	seek $fh, 0, 0;
		3404	print $fh $$;
		3405	}
		3406
		3407	sub main_loop {
		3408	warn "EV::loop starting\n";
		3409	if (1) {
		3410	EV::loop;
		3411	}
		3412	warn "EV::loop returned\n";
		3413	goto &main_loop unless $REALLY_UNLOOP;
		3414	}
		3415
2421	sub main {	3416	sub main {
		3417	cf::init_globals; # initialise logging
		3418
		3419	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3420	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3421	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3422	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3423
		3424	cf::init_experience;
		3425	cf::init_anim;
		3426	cf::init_attackmess;
		3427	cf::init_dynamic;
		3428
		3429	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3430
2422	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3434	(async {
2426	Event::one_event;	3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3437	})->prio (Coro::PRIO_MAX);
2428	};	3438	};
2429		3439
2430	cfg_load;	3440	evthread_start IO::AIO::poll_fileno;
		3441
		3442	cf::sync_job {
		3443	reload_resources;
		3444	reload_config;
2431	db_init;	3445	db_init;
		3446
		3447	cf::load_settings;
		3448	cf::load_materials;
		3449	cf::init_uuid;
		3450	cf::init_signals;
		3451	cf::init_commands;
		3452	cf::init_skills;
		3453
		3454	cf::init_beforeplay;
		3455
		3456	atomic;
		3457
2432	load_extensions;	3458	load_extensions;
2433		3459
2434	$TICK_WATCHER->start;	3460	utime time, time, $RUNTIMEFILE;
2435	Event::loop;	3461
		3462	# no (long-running) fork's whatsoever before this point(!)
		3463	use POSIX ();
		3464	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3465
		3466	(pop @POST_INIT)->(0) while @POST_INIT;
		3467	};
		3468
		3469	main_loop;
2436	}	3470	}
2437		3471
2438	#############################################################################	3472	#############################################################################
2439	# initialisation and cleanup	3473	# initialisation and cleanup
2440		3474
2441	# install some emergency cleanup handlers	3475	# install some emergency cleanup handlers
2442	BEGIN {	3476	BEGIN {
		3477	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3478	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3479	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3480	cf::cleanup "SIG$signal";
2451	},
2452	);	3481	};
		3482	}
		3483	}
		3484
		3485	sub write_runtime_sync {
		3486	# first touch the runtime file to show we are still running:
		3487	# the fsync below can take a very very long time.
		3488
		3489	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3490
		3491	my $guard = cf::lock_acquire "write_runtime";
		3492
		3493	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT, 0644
		3494	or return;
		3495
		3496	my $value = $cf::RUNTIME + 90 + 10;
		3497	# 10 is the runtime save interval, for a monotonic clock
		3498	# 60 allows for the watchdog to kill the server.
		3499
		3500	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3501	and return;
		3502
		3503	# always fsync - this file is important
		3504	aio_fsync $fh
		3505	and return;
		3506
		3507	# touch it again to show we are up-to-date
		3508	aio_utime $fh, undef, undef;
		3509
		3510	close $fh
		3511	or return;
		3512
		3513	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3514	and return;
		3515
		3516	warn "runtime file written.\n";
		3517
2453	}	3518	1
		3519	}
		3520
		3521	our $uuid_lock;
		3522	our $uuid_skip;
		3523
		3524	sub write_uuid_sync($) {
		3525	$uuid_skip ||= $_[0];
		3526
		3527	return if $uuid_lock;
		3528	local $uuid_lock = 1;
		3529
		3530	my $uuid = "$LOCALDIR/uuid";
		3531
		3532	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3533	or return;
		3534
		3535	my $value = uuid_seq uuid_cur;
		3536
		3537	unless ($value) {
		3538	warn "cowardly refusing to write zero uuid value!\n";
		3539	return;
		3540	}
		3541
		3542	my $value = uuid_str $value + $uuid_skip;
		3543	$uuid_skip = 0;
		3544
		3545	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3546	and return;
		3547
		3548	# always fsync - this file is important
		3549	aio_fsync $fh
		3550	and return;
		3551
		3552	close $fh
		3553	or return;
		3554
		3555	aio_rename "$uuid~", $uuid
		3556	and return;
		3557
		3558	warn "uuid file written ($value).\n";
		3559
		3560	1
		3561
		3562	}
		3563
		3564	sub write_uuid($$) {
		3565	my ($skip, $sync) = @_;
		3566
		3567	$sync ? write_uuid_sync $skip
		3568	: async { write_uuid_sync $skip };
2454	}	3569	}
2455		3570
2456	sub emergency_save() {	3571	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3572	my $freeze_guard = cf::freeze_mainloop;
2458		3573
2459	warn "enter emergency perl save\n";	3574	warn "emergency_perl_save: enter\n";
2460		3575
2461	cf::sync_job {	3576	cf::sync_job {
		3577	# this is a trade-off: we want to be very quick here, so
		3578	# save all maps without fsync, and later call a global sync
		3579	# (which in turn might be very very slow)
		3580	local $USE_FSYNC = 0;
		3581
2462	# use a peculiar iteration method to avoid tripping on perl	3582	# use a peculiar iteration method to avoid tripping on perl
2463	# refcount bugs in for. also avoids problems with players	3583	# refcount bugs in for. also avoids problems with players
2464	# and maps saved/destroyed asynchronously.	3584	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3585	warn "emergency_perl_save: begin player save\n";
2466	for my $login (keys %cf::PLAYER) {	3586	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3587	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3588	$pl->valid or next;
		3589	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3590	$pl->save;
2470	}	3591	}
2471	warn "end emergency player save\n";	3592	warn "emergency_perl_save: end player save\n";
2472		3593
2473	warn "begin emergency map save\n";	3594	warn "emergency_perl_save: begin map save\n";
2474	for my $path (keys %cf::MAP) {	3595	for my $path (keys %cf::MAP) {
2475	my $map = $cf::MAP{$path} or next;	3596	my $map = $cf::MAP{$path} or next;
2476	$map->valid or next;	3597	$map->valid or next;
2477	$map->save;	3598	$map->save;
2478	}	3599	}
2479	warn "end emergency map save\n";	3600	warn "emergency_perl_save: end map save\n";
2480		3601
2481	warn "begin emergency database checkpoint\n";	3602	warn "emergency_perl_save: begin database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3604	warn "emergency_perl_save: end database checkpoint\n";
		3605
		3606	warn "emergency_perl_save: begin write uuid\n";
		3607	write_uuid_sync 1;
		3608	warn "emergency_perl_save: end write uuid\n";
2484	};	3609	};
2485		3610
		3611	warn "emergency_perl_save: starting sync()\n";
		3612	IO::AIO::aio_sync sub {
		3613	warn "emergency_perl_save: finished sync()\n";
		3614	};
		3615
2486	warn "leave emergency perl save\n";	3616	warn "emergency_perl_save: leave\n";
2487	}	3617	}
2488		3618
2489	sub post_cleanup {	3619	sub post_cleanup {
2490	my ($make_core) = @_;	3620	my ($make_core) = @_;
2491		3621
2492	warn Carp::longmess "post_cleanup backtrace"	3622	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3623	if $make_core;
2494	}
2495		3624
		3625	my $fh = pidfile;
		3626	unlink $PIDFILE if <$fh> == $$;
		3627	}
		3628
		3629	# a safer delete_package, copied from Symbol
		3630	sub clear_package($) {
		3631	my $pkg = shift;
		3632
		3633	# expand to full symbol table name if needed
		3634	unless ($pkg =~ /^main::.*::$/) {
		3635	$pkg = "main$pkg" if $pkg =~ /^::/;
		3636	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3637	$pkg .= '::' unless $pkg =~ /::$/;
		3638	}
		3639
		3640	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3641	my $stem_symtab = *{$stem}{HASH};
		3642
		3643	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3644	or return;
		3645
		3646	# clear all symbols
		3647	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3648	for my $name (keys %$leaf_symtab) {
		3649	_gv_clear *{"$pkg$name"};
		3650	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3651	}
		3652	warn "cleared package $pkg\n";#d#
		3653	}
		3654
2496	sub reload() {	3655	sub do_reload_perl() {
2497	# can/must only be called in main	3656	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3657	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3658	warn "can only reload from main coroutine";
2500	return;	3659	return;
2501	}	3660	}
2502		3661
		3662	return if $RELOAD++;
		3663
		3664	my $t1 = EV::time;
		3665
		3666	while ($RELOAD) {
2503	warn "reloading...";	3667	warn "reloading...";
2504		3668
2505	warn "entering sync_job";	3669	warn "entering sync_job";
2506		3670
2507	cf::sync_job {	3671	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark	3672	cf::write_runtime_sync; # external watchdog should not bark
2509	cf::emergency_save;	3673	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark	3674	cf::write_runtime_sync; # external watchdog should not bark
2511		3675
2512	warn "syncing database to disk";	3676	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3677	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3678
2515	# if anything goes wrong in here, we should simply crash as we already saved	3679	# if anything goes wrong in here, we should simply crash as we already saved
2516		3680
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3681	warn "flushing outstanding aio requests";
2523	for (;;) {
2524	BDB::flush;
2525	IO::AIO::flush;
2526	Coro::cede;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3682	while (IO::AIO::nreqs || BDB::nreqs) {
2528	warn "iterate...";	3683	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
2529	}
2530
2531	++$RELOAD;
2532
2533	warn "cancelling all extension coros";
2534	$_->cancel for values %EXT_CORO;
2535	%EXT_CORO = ();
2536
2537	warn "removing commands";
2538	%COMMAND = ();
2539
2540	warn "removing ext commands";
2541	%EXTCMD = ();
2542
2543	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";
2546
2547	if (my $cb = $pkg->can ("unload")) {
2548	eval {
2549	$cb->($pkg);
2550	1
2551	} or warn "$pkg unloaded, but with errors: $@";
2552	}	3684	}
2553		3685
2554	warn "... nuking $pkg";	3686	warn "cancelling all extension coros";
2555	Symbol::delete_package $pkg;	3687	$_->cancel for values %EXT_CORO;
2556	}	3688	%EXT_CORO = ();
2557		3689
2558	warn "unloading all perl modules loaded from $LIBDIR";	3690	warn "removing commands";
2559	while (my ($k, $v) = each %INC) {	3691	%COMMAND = ();
2560	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2561		3692
		3693	warn "removing ext/exti commands";
		3694	%EXTCMD = ();
		3695	%EXTICMD = ();
		3696
		3697	warn "unloading/nuking all extensions";
		3698	for my $pkg (@EXTS) {
2562	warn "... unloading $k";	3699	warn "... unloading $pkg";
2563	delete $INC{$k};
2564		3700
2565	$k =~ s/\.pm$//;
2566	$k =~ s/\//::/g;
2567
2568	if (my $cb = $k->can ("unload_module")) {	3701	if (my $cb = $pkg->can ("unload")) {
		3702	eval {
2569	$cb->();	3703	$cb->($pkg);
		3704	1
		3705	} or warn "$pkg unloaded, but with errors: $@";
		3706	}
		3707
		3708	warn "... clearing $pkg";
		3709	clear_package $pkg;
2570	}	3710	}
2571		3711
2572	Symbol::delete_package $k;	3712	warn "unloading all perl modules loaded from $LIBDIR";
		3713	while (my ($k, $v) = each %INC) {
		3714	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
		3715
		3716	warn "... unloading $k";
		3717	delete $INC{$k};
		3718
		3719	$k =~ s/\.pm$//;
		3720	$k =~ s/\//::/g;
		3721
		3722	if (my $cb = $k->can ("unload_module")) {
		3723	$cb->();
		3724	}
		3725
		3726	clear_package $k;
2573	}	3727	}
2574		3728
2575	warn "getting rid of safe::, as good as possible";	3729	warn "getting rid of safe::, as good as possible";
2576	Symbol::delete_package "safe::$_"	3730	clear_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3731	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3732
2579	warn "unloading cf.pm \"a bit\"";	3733	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3734	delete $INC{"cf.pm"};
		3735	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2581		3736
2582	# don't, removes xs symbols, too,	3737	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3738	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3739	#clear_package __PACKAGE__;
2585		3740
2586	warn "unload completed, starting to reload now";	3741	warn "unload completed, starting to reload now";
2587		3742
2588	warn "reloading cf.pm";	3743	warn "reloading cf.pm";
2589	require cf;	3744	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3745	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3746
2592	warn "loading config and database again";	3747	warn "loading config and database again";
2593	cf::cfg_load;	3748	cf::reload_config;
2594		3749
2595	warn "loading extensions";	3750	warn "loading extensions";
2596	cf::load_extensions;	3751	cf::load_extensions;
2597		3752
		3753	if ($REATTACH_ON_RELOAD) {
2598	warn "reattaching attachments to objects/players";	3754	warn "reattaching attachments to objects/players";
2599	_global_reattach; # objects, sockets	3755	_global_reattach; # objects, sockets
2600	warn "reattaching attachments to maps";	3756	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3757	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3758	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3759	reattach $_ for values %PLAYER;
		3760	}
2604		3761
2605	warn "loading reloadable resources";	3762	warn "running post_init jobs";
2606	reload_resources;	3763	(pop @POST_INIT)->(1) while @POST_INIT;
2607		3764
2608	warn "leaving sync_job";	3765	warn "leaving sync_job";
2609		3766
2610	1	3767	1
2611	} or do {	3768	} or do {
2612	warn $@;	3769	warn $@;
2613	warn "error while reloading, exiting.";	3770	cf::cleanup "error while reloading, exiting.";
2614	exit 1;	3771	};
		3772
		3773	warn "reloaded";
		3774	--$RELOAD;
		3775	}
		3776
		3777	$t1 = EV::time - $t1;
		3778	warn "reload completed in ${t1}s\n";
		3779	};
		3780
		3781	our $RELOAD_WATCHER; # used only during reload
		3782
		3783	sub reload_perl() {
		3784	# doing reload synchronously and two reloads happen back-to-back,
		3785	# coro crashes during coro_state_free->destroy here.
		3786
		3787	$RELOAD_WATCHER ||= cf::async {
		3788	Coro::AIO::aio_wait cache_extensions;
		3789
		3790	$RELOAD_WATCHER = EV::timer $TICK * 1.5, 0, sub {
		3791	do_reload_perl;
		3792	undef $RELOAD_WATCHER;
		3793	};
2615	};	3794	};
2616		3795	}
2617	warn "reloaded";
2618	};
2619
2620	our $RELOAD_WATCHER; # used only during reload
2621		3796
2622	register_command "reload" => sub {	3797	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3798	my ($who, $arg) = @_;
2624		3799
2625	if ($who->flag (FLAG_WIZ)) {	3800	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3801	$who->message ("reloading server.");
2627		3802	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3803	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3804	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3805	};
2640	}	3806	}
2641	};	3807	};
2642		3808
2643	unshift @INC, $LIBDIR;	3809	unshift @INC, $LIBDIR;
2644		3810
…		…
2646		3812
2647	our @WAIT_FOR_TICK;	3813	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3814	our @WAIT_FOR_TICK_BEGIN;
2649		3815
2650	sub wait_for_tick {	3816	sub wait_for_tick {
		3817	return if tick_inhibit || $Coro::current == $Coro::main;
		3818
2651	my $signal = new Coro::Signal;	3819	my $signal = new Coro::Signal;
2652	push @WAIT_FOR_TICK, $signal;	3820	push @WAIT_FOR_TICK, $signal;
2653	$signal->wait;	3821	$signal->wait;
2654	}	3822	}
2655		3823
2656	sub wait_for_tick_begin {	3824	sub wait_for_tick_begin {
		3825	return if tick_inhibit || $Coro::current == $Coro::main;
		3826
2657	my $signal = new Coro::Signal;	3827	my $signal = new Coro::Signal;
2658	push @WAIT_FOR_TICK_BEGIN, $signal;	3828	push @WAIT_FOR_TICK_BEGIN, $signal;
2659	$signal->wait;	3829	$signal->wait;
2660	}	3830	}
2661		3831
2662	$TICK_WATCHER = Event->timer (	3832	sub tick {
2663	reentrant => 0,
2664	parked => 1,
2665	prio => 0,
2666	at => $NEXT_TICK || $TICK,
2667	data => WF_AUTOCANCEL,
2668	cb => sub {
2669	if ($Coro::current != $Coro::main) {	3833	if ($Coro::current != $Coro::main) {
2670	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3834	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2671	unless ++$bug_warning > 10;	3835	unless ++$bug_warning > 10;
2672	return;	3836	return;
2673	}	3837	}
2674		3838
2675	$NOW = Event::time;
2676
2677	cf::server_tick; # one server iteration	3839	cf::server_tick; # one server iteration
2678	$RUNTIME += $TICK;
2679	$NEXT_TICK += $TICK;
2680		3840
2681	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3841	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2682	$NEXT_RUNTIME_WRITE = $NOW + 10;	3842	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2683	Coro::async_pool {	3843	Coro::async_pool {
		3844	$Coro::current->{desc} = "runtime saver";
2684	write_runtime	3845	write_runtime_sync
2685	or warn "ERROR: unable to write runtime file: $!";	3846	or warn "ERROR: unable to write runtime file: $!";
2686	};
2687	}	3847	};
		3848	}
2688		3849
2689	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3850	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2690	$sig->send;	3851	$sig->send;
2691	}	3852	}
2692	while (my $sig = shift @WAIT_FOR_TICK) {	3853	while (my $sig = shift @WAIT_FOR_TICK) {
2693	$sig->send;	3854	$sig->send;
2694	}
2695
2696	# my $AFTER = Event::time;
2697	# warn $AFTER - $NOW;#d#
2698
2699	# if we are delayed by four ticks or more, skip them all
2700	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2701
2702	$TICK_WATCHER->at ($NEXT_TICK);
2703	$TICK_WATCHER->start;
2704	},	3855	}
2705	);	3856
		3857	$LOAD = ($NOW - $TICK_START) / $TICK;
		3858	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3859
		3860	if (0) {
		3861	if ($NEXT_TICK) {
		3862	my $jitter = $TICK_START - $NEXT_TICK;
		3863	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3864	warn "jitter $JITTER\n";#d#
		3865	}
		3866	}
		3867	}
2706		3868
2707	{	3869	{
2708	BDB::max_poll_time $TICK * 0.1;	3870	# configure BDB
2709	$BDB_POLL_WATCHER = Event->io (	3871
2710	reentrant => 0,
2711	fd => BDB::poll_fileno,
2712	poll => 'r',
2713	prio => 0,
2714	data => WF_AUTOCANCEL,
2715	cb => \&BDB::poll_cb,
2716	);
2717	BDB::min_parallel 8;	3872	BDB::min_parallel 8;
2718		3873	BDB::max_poll_reqs $TICK * 0.1;
2719	BDB::set_sync_prepare {	3874	$AnyEvent::BDB::WATCHER->priority (1);
2720	my $status;
2721	my $current = $Coro::current;
2722	(
2723	sub {
2724	$status = $!;
2725	$current->ready; undef $current;
2726	},
2727	sub {
2728	Coro::schedule while defined $current;
2729	$! = $status;
2730	},
2731	)
2732	};
2733		3875
2734	unless ($DB_ENV) {	3876	unless ($DB_ENV) {
2735	$DB_ENV = BDB::db_env_create;	3877	$DB_ENV = BDB::db_env_create;
		3878	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3879	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3880	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3881	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3882	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2736		3883
2737	cf::sync_job {	3884	cf::sync_job {
2738	eval {	3885	eval {
2739	BDB::db_env_open	3886	BDB::db_env_open
2740	$DB_ENV,	3887	$DB_ENV,
2741	$BDB_ENV_DIR,	3888	$BDBDIR,
2742	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3889	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2743	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3890	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2744	0666;	3891	0666;
2745		3892
2746	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3893	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2747
2748	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2749	$DB_ENV->set_lk_detect;
2750	};	3894	};
2751		3895
2752	cf::cleanup "db_env_open(db): $@" if $@;	3896	cf::cleanup "db_env_open(db): $@" if $@;
2753	};	3897	};
2754	}	3898	}
		3899
		3900	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3901	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3902	};
		3903	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3904	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3905	};
		3906	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3907	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3908	};
2755	}	3909	}
2756		3910
2757	{	3911	{
		3912	# configure IO::AIO
		3913
2758	IO::AIO::min_parallel 8;	3914	IO::AIO::min_parallel 8;
2759
2760	undef $Coro::AIO::WATCHER;
2761	IO::AIO::max_poll_time $TICK * 0.1;	3915	IO::AIO::max_poll_time $TICK * 0.1;
2762	$AIO_POLL_WATCHER = Event->io (	3916	undef $AnyEvent::AIO::WATCHER;
2763	reentrant => 0,
2764	data => WF_AUTOCANCEL,
2765	fd => IO::AIO::poll_fileno,
2766	poll => 'r',
2767	prio => 6,
2768	cb => \&IO::AIO::poll_cb,
2769	);
2770	}	3917	}
		3918
		3919	my $_log_backtrace;
		3920
		3921	sub _log_backtrace {
		3922	my ($msg, @addr) = @_;
		3923
		3924	$msg =~ s/\n//;
		3925
		3926	# limit the # of concurrent backtraces
		3927	if ($_log_backtrace < 2) {
		3928	++$_log_backtrace;
		3929	my $perl_bt = Carp::longmess $msg;
		3930	async {
		3931	$Coro::current->{desc} = "abt $msg";
		3932
		3933	my @bt = fork_call {
		3934	@addr = map { sprintf "%x", $_ } @addr;
		3935	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3936	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3937	or die "addr2line: $!";
		3938
		3939	my @funcs;
		3940	my @res = <$fh>;
		3941	chomp for @res;
		3942	while (@res) {
		3943	my ($func, $line) = splice @res, 0, 2, ();
		3944	push @funcs, "[$func] $line";
		3945	}
		3946
		3947	@funcs
		3948	};
		3949
		3950	LOG llevInfo, "[ABT] $perl_bt\n";
		3951	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		3952	LOG llevInfo, "[ABT] $_\n" for @bt;
		3953	--$_log_backtrace;
		3954	};
		3955	} else {
		3956	LOG llevInfo, "[ABT] $msg\n";
		3957	LOG llevInfo, "[ABT] [suppressed]\n";
		3958	}
		3959	}
		3960
		3961	# load additional modules
		3962	require "cf/$_.pm" for @EXTRA_MODULES;
2771		3963
2772	END { cf::emergency_save }	3964	END { cf::emergency_save }
2773		3965
2774	1	3966	1
2775		3967

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