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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
9	use Event;	30	use EV 3.2;
10	use Opcode;	31	use Opcode;
11	use Safe;	32	use Safe;
12	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
13		35
14	use Coro 3.52 ();	36	use Coro 4.50 ();
15	use Coro::State;	37	use Coro::State;
		38	use Coro::Handle;
16	use Coro::Event;	39	use Coro::EV;
17	use Coro::Timer;	40	use Coro::Timer;
18	use Coro::Signal;	41	use Coro::Signal;
19	use Coro::Semaphore;	42	use Coro::Semaphore;
20	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
21	use Coro::Storable;	45	use Coro::Storable;
		46	use Coro::Util ();
22		47
		48	use JSON::XS 2.01 ();
23	use BDB ();	49	use BDB ();
24	use Data::Dumper;	50	use Data::Dumper;
25	use Digest::MD5;	51	use Digest::MD5;
26	use Fcntl;	52	use Fcntl;
27	use YAML::Syck ();	53	use YAML ();
28	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
29	use Time::HiRes;	55	use Time::HiRes;
30	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
31		58
32	# configure various modules to our taste	59	# configure various modules to our taste
33	#	60	#
34	$Storable::canonical = 1; # reduce rsync transfers	61	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
36	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
37		64
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
41	$YAML::Syck::ImplicitUnicode = 1;
42
43	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
44		66
45	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
46		68
47	our %COMMAND = ();	69	our %COMMAND = ();
48	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
49		71
50	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
54		77
55	our $RELOAD; # number of reloads so far	78	our $RELOAD; # number of reloads so far
56	our @EVENT;	79	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		80
59	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
60	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
61	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	97	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		99
67	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	104	our $DB_ENV;
69		105
70	our %CFG;	106	our %CFG;
71		107
72	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
74		111
75	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	114	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		115
81	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
84	binmode STDOUT;	124	binmode STDOUT;
85	binmode STDERR;	125	binmode STDERR;
86		126
87	# read virtual server time, if available	127	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
92	}	132	}
93		133
94	mkdir cf::localdir;	134	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		136
101	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
102		138
103	sub cf::map::normalise;	139	sub cf::map::normalise;
104		140
…		…
115	=item $cf::RUNTIME	151	=item $cf::RUNTIME
116		152
117	The time this server has run, starts at 0 and is increased by $cf::TICK on	153	The time this server has run, starts at 0 and is increased by $cf::TICK on
118	every server tick.	154	every server tick.
119		155
120	=item $cf::LIBDIR	156	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		157	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		158	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
121		159
122	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
123	be found. It will be added to C<@INC> automatically.	161	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		162	unique-items directory, player file directory, random maps directory and
		163	database environment.
124		164
125	=item $cf::NOW	165	=item $cf::NOW
126		166
127	The time of the last (current) server tick.	167	The time of the last (current) server tick.
128		168
129	=item $cf::TICK	169	=item $cf::TICK
130		170
131	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
132		172
		173	=item $cf::LOADAVG
		174
		175	The current CPU load on the server (alpha-smoothed), as a value between 0
		176	(none) and 1 (overloaded), indicating how much time is spent on processing
		177	objects per tick. Healthy values are < 0.5.
		178
		179	=item $cf::LOAD
		180
		181	The raw value load value from the last tick.
		182
133	=item %cf::CFG	183	=item %cf::CFG
134		184
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	186	from wherever your confdir points to.
137		187
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		189
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	190	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	191	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.	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		193
		194	=item @cf::INVOKE_RESULTS
		195
		196	This array contains the results of the last C<invoke ()> call. When
		197	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		198	that call.
		199
144	=back	200	=back
145		201
146	=cut	202	=cut
147		203
148	BEGIN {	204	BEGIN {
149	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	206	my $msg = join "", @_;
151	utf8::encode $msg;
152		207
153	$msg .= "\n"	208	$msg .= "\n"
154	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
155		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
156	LOG llevError, $msg;	213	LOG llevError, $msg;
157	};	214	};
158	}	215	}
		216
		217	$Coro::State::DIEHOOK = sub {
		218	return unless $^S eq 0; # "eq", not "=="
		219
		220	if ($Coro::current == $Coro::main) {#d#
		221	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		222	return;#d#
		223	}#d#
		224
		225	# kill coroutine otherwise
		226	warn Carp::longmess $_[0];
		227	Coro::terminate
		228	};
		229
		230	$SIG{__DIE__} = sub { }; #d#?
159		231
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	236	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		237	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
165	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	238	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
166		239
167	# we bless all objects into (empty) derived classes to force a method lookup	240	# we bless all objects into (empty) derived classes to force a method lookup
168	# within the Safe compartment.	241	# within the Safe compartment.
169	for my $pkg (qw(	242	for my $pkg (qw(
170	cf::global cf::attachable	243	cf::global cf::attachable
…		…
175	)) {	248	)) {
176	no strict 'refs';	249	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	251	}
179		252
180	$Event::DIED = sub {	253	$EV::DIED = sub {
181	warn "error in event callback: @_";	254	warn "error in event callback: @_";
182	};	255	};
		256
		257	#############################################################################
183		258
184	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
185		260
186	=over 4	261	=over 4
187		262
…		…
206	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	281	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
207	$d	282	$d
208	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
209	}	284	}
210		285
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
214		287
215	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
216		289
217	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
218		291
219	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
		293
		294	=cut
		295
		296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		297
		298	sub encode_json($) { $json_coder->encode ($_[0]) }
		299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	Wait until the given lock is available and then acquires it and returns	307	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,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
268	};	428	}
269	$TICK_WATCHER->stop;	429	};
270	$guard	430
		431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
271	}	441	}
272		442
273	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
274		444
275	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		450
281	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
282		452
283	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
284		454
285	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
288		459
289	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
292	fast or be very important.	463	fast or be very important.
…		…
295		466
296	sub sync_job(&) {	467	sub sync_job(&) {
297	my ($job) = @_;	468	my ($job) = @_;
298		469
299	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
300	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
302		475
303	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	477
305	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
306		479
307	my $busy = 1;	480	my $busy = 1;
308	my @res;	481	my @res;
309		482
310	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	485	@res = eval { $job->() };
312	warn $@ if $@;	486	warn $@ if $@;
313	undef $busy;	487	undef $busy;
314	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
315		489
316	while ($busy) {	490	while ($busy) {
317	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
318	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
319		501
320	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
321	} else {	503	} else {
322	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
323		505
…		…
343	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
344		526
345	$coro	527	$coro
346	}	528	}
347		529
348	sub write_runtime {	530	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		531
351	my $runtime = cf::localdir . "/runtime";	532	Executes the given code block with the given arguments in a seperate
		533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
352		536
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	537	=cut
354	or return;
355		538
356	my $value = $cf::RUNTIME + 90 + 10;	539	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	540	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		541
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	542	# we seemingly have to make a local copy of the whole thing,
361	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
362		545
363	# always fsync - this file is important	546	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	547	reset_signals;
365	and return;	548	&$cb
		549	}, @args;
366		550
367	close $fh	551	wantarray ? @res : $res[-1]
368	or return;	552	}
369		553
370	aio_rename "$runtime~", $runtime	554	=item $coin = coin_from_name $name
371	and return;
372		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
373	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
374	}	706	}
375		707
376	=item cf::datalog type => key => value, ...	708	=item cf::datalog type => key => value, ...
377		709
378	Log a datalog packet of the given type with the given key-value pairs.	710	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
398		730
399	In the following description, CLASS can be any of C<global>, C<object>	731	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	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	733	Deliantra).
402		734
403	=over 4	735	=over 4
404		736
405	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
406		738
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
570		902
571	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		907
576	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	909	my $pkg = shift @arg;
578		910
579	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
609	}	941	}
610		942
611	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
612	} else {	944	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	946	}
615		947
616	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
617	}	949	}
618		950
…		…
620	if (ref $_[0]) {	952	if (ref $_[0]) {
621	_object_attach @_;	953	_object_attach @_;
622	} else {	954	} else {
623	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
624	}	956	}
		957	_recalc_want;
625	};	958	};
626		959
627	# all those should be optimised	960	# all those should be optimised
628	sub cf::attachable::detach {	961	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
633	reattach ($obj);	966	reattach ($obj);
634	} else {	967	} else {
635	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
636	}	969	}
		970	_recalc_want;
637	};	971	};
638		972
639	sub cf::attachable::attached {	973	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
641		975
…		…
656	";	990	";
657	die if $@;	991	die if $@;
658	}	992	}
659		993
660	our $override;	994	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		996
663	sub override {	997	sub override {
664	$override = 1;	998	$override = 1;
665	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
666	}	1000	}
667		1001
668	sub do_invoke {	1002	sub do_invoke {
669	my $event = shift;	1003	my $event = shift;
670	my $callbacks = shift;	1004	my $callbacks = shift;
671		1005
672	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
673		1007
674	local $override;	1008	local $override;
675		1009
676	for (@$callbacks) {	1010	for (@$callbacks) {
677	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
686	}	1020	}
687		1021
688	0	1022	0
689	}	1023	}
690		1024
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		1026
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1028
695	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
696		1030
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	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	1032	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1034
701	=back	1035	=back
702		1036
703	=cut	1037	=cut
704		1038
705	#############################################################################	1039	#############################################################################
706	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
707		1083
708	sub reattach {	1084	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1086	my ($obj) = @_;
711		1087
…		…
732	cf::attachable->attach (	1108	cf::attachable->attach (
733	prio => -1000000,	1109	prio => -1000000,
734	on_instantiate => sub {	1110	on_instantiate => sub {
735	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
736		1112
737	$data = from_json $data;	1113	$data = decode_json $data;
738		1114
739	for (@$data) {	1115	for (@$data) {
740	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
741		1117
742	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1134	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
760		1136
761	sync_job {	1137	sync_job {
762	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
765		1142
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1146	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1147	close $fh;
771		1148
772	if (@$objs) {	1149	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1154	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1155	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
780	}	1157	}
…		…
788	}	1165	}
789	} else {	1166	} else {
790	aio_unlink $filename;	1167	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
792	}	1169	}
793	}	1170	};
794	}	1171	}
795		1172
796	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
798		1175
…		…
810	or return;	1187	or return;
811		1188
812	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
814	or return;	1191	or return;
		1192
815	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
816	}	1195	}
817		1196
		1197	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
820	return ($data, $av);	1201	($data, $av)
821	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
822		1209
823	#############################################################################	1210	#############################################################################
824	# command handling &c	1211	# command handling &c
825		1212
826	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1227	}
841		1228
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1230
844	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
845		1236
846	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
847	called.	1238	called.
848		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
849	=cut	1251	=cut
850		1252
851	sub register_extcmd {	1253	sub register_extcmd {
852	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
853		1255
854	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
855	}	1263	}
856		1264
857	cf::player->attach (	1265	cf::player->attach (
858	on_command => sub {	1266	on_command => sub {
859	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1276	cf::override;
869	},	1277	},
870	on_extcmd => sub {	1278	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
872		1280
873	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1282
875	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
881	} else {	1298	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1300	}
884		1301
885	cf::override;	1302	cf::override;
886	},	1303	},
887	);	1304	);
888		1305
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
924	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1311	next unless -r $path;
926	eval {	1312
927	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
928	1	1369	}
929	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
930	}	1375	};
931	}	1376	}
932		1377
933	#############################################################################	1378	#############################################################################
934		1379
		1380	=back
		1381
935	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
936		1383
937	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
938		1385
939	=cut	1386	=cut
…		…
944		1391
945	=head3 cf::player	1392	=head3 cf::player
946		1393
947	=over 4	1394	=over 4
948		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
949	=item cf::player::find $login	1410	=item cf::player::find $login
950		1411
951	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
952		1413
953	=cut	1414	=cut
954		1415
955	sub playerdir($) {	1416	sub playerdir($) {
956	cf::localdir	1417	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1419	}
962		1420
963	sub path($) {	1421	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1452	aio_unlink +(playerdir $login) . "/$login.pl";
995		1453
996	my $pl = load_pl path $login	1454	my $f = new_from_file cf::object::thawer path $login
997	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
999	}	1462	}
1000	}	1463	}
1001	}	1464	}
1002		1465
…		…
1012		1475
1013	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1015		1478
1016	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1017	Coro::cede;	1480	cf::cede_to_tick;
1018	}	1481	}
1019		1482
1020	sub new($) {	1483	sub new($) {
1021	my ($login) = @_;	1484	my ($login) = @_;
1022		1485
…		…
1026	$self->{deny_save} = 1;	1489	$self->{deny_save} = 1;
1027		1490
1028	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1029		1492
1030	$self	1493	$self
		1494	}
		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
1031	}	1504	}
1032		1505
1033	=item $pl->quit_character	1506	=item $pl->quit_character
1034		1507
1035	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1085		1558
1086	=cut	1559	=cut
1087		1560
1088	sub list_logins {	1561	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1563	or return [];
1091		1564
1092	my @logins;	1565	my @logins;
1093		1566
1094	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1098		1576
1099	utf8::decode $login;	1577	utf8::decode $login;
1100	push @logins, $login;	1578	push @logins, $login;
1101	}	1579	}
1102		1580
…		…
1129	}	1607	}
1130		1608
1131	\@paths	1609	\@paths
1132	}	1610	}
1133		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1134	=item $player->ext_reply ($msgid, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1135		1706
1136	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1137		1708
1138	=cut	1709	=cut
1139		1710
1140	sub ext_reply($$%) {	1711	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1142		1713
1143	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1715	}
1147		1716
1148	=item $player->ext_event ($type, %msg)	1717	=item $player->ext_msg ($type, @msg)
1149		1718
1150	Sends an ext event to the client.	1719	Sends an ext event to the client.
1151		1720
1152	=cut	1721	=cut
1153		1722
1154	sub ext_event($$%) {	1723	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1724	my ($self, $type, @msg) = @_;
1156		1725
1157	$self->ns->ext_event ($type, %msg);	1726	$self->ns->ext_msg ($type, @msg);
1158	}	1727	}
1159		1728
1160	=head3 cf::region	1729	=head3 cf::region
1161		1730
1162	=over 4	1731	=over 4
…		…
1165		1734
1166	package cf::region;	1735	package cf::region;
1167		1736
1168	=item cf::region::find_by_path $path	1737	=item cf::region::find_by_path $path
1169		1738
1170	Tries to decuce the probable region for a map knowing only its path.	1739	Tries to decuce the likely region for a map knowing only its path.
1171		1740
1172	=cut	1741	=cut
1173		1742
1174	sub find_by_path($) {	1743	sub find_by_path($) {
1175	my ($path) = @_;	1744	my ($path) = @_;
1176		1745
1177	my ($match, $specificity);	1746	my ($match, $specificity);
1178		1747
1179	for my $region (list) {	1748	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1749	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1750	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1751	if $region->specificity > $specificity;
1183	}	1752	}
1184	}	1753	}
1185		1754
…		…
1206	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1207	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1208		1777
1209	sub generate_random_map {	1778	sub generate_random_map {
1210	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1211	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1212	$self->_create_random_map (	1784	$self->_create_random_map (
1213	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1214	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1215	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1249	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1250		1822
1251	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1252	local $self->{path};	1824	local $self->{path};
1253	local $self->{load_path};	1825	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1826
1257	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1258	}	1828	}
1259		1829
1260	sub normalise {	1830	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1308	return $self;	1878	return $self;
1309	}	1879	}
1310	}	1880	}
1311		1881
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1883	()
1314	}	1884	}
1315		1885
1316	sub init {	1886	sub init {
1317	my ($self) = @_;	1887	my ($self) = @_;
…		…
1332		1902
1333	# the original (read-only) location	1903	# the original (read-only) location
1334	sub load_path {	1904	sub load_path {
1335	my ($self) = @_;	1905	my ($self) = @_;
1336		1906
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1338	}	1908	}
1339		1909
1340	# the temporary/swap location	1910	# the temporary/swap location
1341	sub save_path {	1911	sub save_path {
1342	my ($self) = @_;	1912	my ($self) = @_;
1343		1913
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1346	}	1916	}
1347		1917
1348	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1349	sub uniq_path {	1919	sub uniq_path {
1350	my ($self) = @_;	1920	my ($self) = @_;
1351		1921
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1354	}	1924	}
1355		1925
1356	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1357	# all maps in C++...	1927	# all maps in C++...
1358	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1360		1930
1361	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1363	}	1933	}
1364		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1365	sub unlink_save {	1943	sub unlink_save {
1366	my ($self) = @_;	1944	my ($self) = @_;
1367		1945
1368	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1950
1373	sub load_header_from($) {	1951	sub load_header_from($) {
1374	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1375		1953
1376	utf8::encode $path;	1954	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1382		1963
1383	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1384		1965
1385	1	1966	1
1386	}	1967	}
…		…
1425	$self->load_header_orig	2006	$self->load_header_orig
1426	or return;	2007	or return;
1427	$self->prepare_orig;	2008	$self->prepare_orig;
1428	}	2009	}
1429		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
1430	$self->default_region (cf::region::find_by_path $self->{path})	2014	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	2015	unless $self->default_region;
1432		2016
1433	1	2017	1
1434	}	2018	}
…		…
1437	sub find {	2021	sub find {
1438	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1439		2023
1440	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1441		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1443		2028
1444	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1446	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1447	or return;	2034	or return;
1448		2035
1449	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1450		2037
1451	$map->load_header	2038	$map->load_header
1452	or return;	2039	or return;
1453		2040
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1457	$map->reset;	2046	$map->reset;
1458	undef $guard;
1459	return find $path;	2047	return find $path;
1460	}	2048	}
1461		2049
1462	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1463	}	2051	}
…		…
1470	my ($self) = @_;	2058	my ($self) = @_;
1471		2059
1472	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1473		2061
1474	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1476		2066
		2067	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2069
1479	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1480		2071
1481	$self->alloc;	2072	$self->alloc;
1482		2073
1483	$self->pre_load;	2074	$self->pre_load;
1484	Coro::cede;	2075	cf::cede_to_tick;
1485		2076
1486	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1487	or return;	2080	or return;
1488		2081
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2083	if delete $self->{load_original};
1491		2084
1492	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2086	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2089	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1497	}	2093	}
1498	}	2094	}
1499		2095
1500	Coro::cede;	2096	$f->resolve_delayed_derefs;
		2097
		2098	cf::cede_to_tick;
1501	# now do the right thing for maps	2099	# now do the right thing for maps
1502	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2101	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2102	unless $self->difficulty;
1513	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1514	$self->activate;	2112	$self->activate;
1515	Coro::cede;	2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2119	}
1517		2120
1518	$self->post_load;	2121	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2122	}
1523		2123
1524	sub customise_for {	2124	sub customise_for {
1525	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1526		2126
1527	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2128	if $self->per_player;
1529		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1530	$self	2133	$self
1531	}	2134	}
1532		2135
1533	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2137	sub load_neighbours {
1535	my ($map) = @_;	2138	my ($map) = @_;
1536		2139
1537	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1538		2141
1539	for (0 .. 3) {	2142	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1541	or next;	2144	or next;
1542	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1543	or next;	2146	or next;
1544	$neigh->load;	2147	$neigh->load;
1545		2148
		2149	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2152	}
1549		2153
1550	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1552	or next;	2157	or next;
1553	$neigh->load;	2158	$neigh->load;
1554	}	2159	}
1555	}	2160	}
1556		2161
…		…
1561	}	2166	}
1562		2167
1563	sub do_load_sync {	2168	sub do_load_sync {
1564	my ($map) = @_;	2169	my ($map) = @_;
1565		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1566	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1567	}	2175	}
1568		2176
1569	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1571		2179
1572	sub find_async {	2180	sub find_async {
1573	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1574		2182
1575	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1576		2184
1577	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2187	}
1580		2188
1581	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1582	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1583	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2196	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2197	$map->load if $v;
		2198	}
1588		2199
1589	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1590	}	2201	}
1591	}	2202	}
1592	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1593	};	2204	};
1594	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2208	}
1598		2209
1599	sub save {	2210	sub save {
1600	my ($self) = @_;	2211	my ($self) = @_;
1601		2212
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2214
1604	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1605		2216
1606	return unless $self->dirty;	2217	return unless $self->dirty;
1607		2218
…		…
1613	return if $self->{deny_save};	2224	return if $self->{deny_save};
1614		2225
1615	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1616		2227
1617	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1619	};	2231	};
1620		2232
1621	if ($uniq) {	2233	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2242	my ($self) = @_;
1631		2243
1632	# save first because save cedes	2244	# save first because save cedes
1633	$self->save;	2245	$self->save;
1634		2246
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2248
1637	return if $self->players;	2249	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2251	return if $self->{deny_save};
1640		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2257	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2258	}
1644		2259
1645	sub reset_at {	2260	sub reset_at {
1646	my ($self) = @_;	2261	my ($self) = @_;
1647		2262
1648	# TODO: safety, remove and allow resettable per-player maps	2263	# 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};	2264	return 1e99 if $self->{deny_reset};
1651		2265
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2268
…		…
1665	my ($self) = @_;	2279	my ($self) = @_;
1666		2280
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2282
1669	return if $self->players;	2283	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2284
1672	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
1673		2286
1674	$self->in_memory (cf::MAP_SWAPPED);	2287	$self->in_memory (cf::MAP_SWAPPED);
1675		2288
1676	# need to save uniques path	2289	# need to save uniques path
1677	unless ($self->{deny_save}) {	2290	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2294	if $uniq;
1682	}	2295	}
1683		2296
1684	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1685		2298
		2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2301	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2302
1690	$self->unlink_save;	2303	$self->unlink_save;
1691	$self->destroy;	2304	$self->destroy;
1692	}	2305	}
1693		2306
1694	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1695		2308
1696	sub nuke {	2309	sub nuke {
1697	my ($self) = @_;	2310	my ($self) = @_;
1698		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1699	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1700		2316
1701	$self->unlink_save;	2317	$self->unlink_save;
1702		2318
1703	bless $self, "cf::map";	2319	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2324
1709	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1710		2327
1711	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1712	}	2365	}
1713		2366
1714	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1715		2368
1716	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2370	instantiated unique items. May block.
1718		2371
1719	=cut	2372	=cut
1720		2373
1721	sub unique_maps() {	2374	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1723	or return;	2376	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2377	utf8::decode $_;
1729	next if /\.pst$/;	2378	/\.map$/
1730	next unless /^$PATH_SEP/o;	2379	? normalise $_
1731		2380	: ()
1732	push @paths, cf::map::normalise $_;	2381	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2382	]
1734
1735	\@paths
1736	}	2383	}
1737
1738	package cf;
1739		2384
1740	=back	2385	=back
1741		2386
1742	=head3 cf::object	2387	=head3 cf::object
1743		2388
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1759	}	2404	}
1760		2405
1761	sub inv_recursive {	2406	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1763	}	2436	}
1764		2437
1765	package cf;	2438	package cf;
1766		2439
1767	=back	2440	=back
…		…
1786		2459
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2461
1789	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1791	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1794	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1795	}	2487	}
1796		2488
1797	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1798		2490
1799	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1847		2539
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2541
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1852		2544
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2546	}
1855		2547
1856	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1858		2552
1859	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1860		2554
1861	unless ($map) {	2555	unless ($map) {
1862	# restore original map position	2556	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1879		2573
1880	$map->load;	2574	$map->load;
1881	$map->load_diag;	2575	$map->load_neighbours;
1882		2576
1883	return unless $self->contr->active;	2577	return unless $self->contr->active;
1884	$self->activate_recursive;	2578	$self->activate_recursive;
1885		2579
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1888	}	2582	}
1889		2583
1890	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2585
1894	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1898	};	2590	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2591
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1925		2595
1926	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2601
1929	$self->enter_link;	2602	$self->enter_link;
1930		2603
1931	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
1932	my $map = eval {	2626	my $map = eval {
1933	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
		2631	$map = $check->($map) if $check && $map;
		2632	} else {
		2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
		2635
1935	$map	2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2642	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1940	})->prio (1);	2650	})->prio (1);
1941	}	2651	}
1942		2652
1943	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
1944		2654
…		…
1981	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
1982	}	2692	}
1983		2693
1984	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
1985		2695
1986	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
1989		2699
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2702	undef $fh;
1993	aio_rename "$meta~", $meta;	2703	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
2015		2725
2016	$self->enter_link;	2726	$self->enter_link;
2017		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
2018	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
2019	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2736	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
2022		2738
2023	1;	2739	1;
…		…
2049		2765
2050	utf8::encode $text;	2766	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2768	}
2053		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
2054	=item $client->ext_event ($type, %msg)	2894	=item $client->ext_msg ($type, @msg)
2055		2895
2056	Sends an exti event to the client.	2896	Sends an ext event to the client.
2057		2897
2058	=cut	2898	=cut
2059		2899
2060	sub cf::client::ext_event($$%) {	2900	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2901	my ($self, $type, @msg) = @_;
2062		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2906	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
2065	}	2927	}
2066		2928
2067	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
2068		2930
2069	Queues a query to the client, calling the given callback with	2931	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>,	2932	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>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2934
2073	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2936	become reliable at some point in the future.
2075		2937
2076	=cut	2938	=cut
2077		2939
2078	sub cf::client::query {	2940	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2949	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2951
2090	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
2092	}	2956	}
2093		2957
2094	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
2095	on_reply => sub {	2964	on_reply => sub {
2096	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
2097		2966
2098	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
2099	# get handled first	2968	# get handled first
…		…
2111	} else {	2980	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2982	}
2114	}	2983	}
2115	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
2116	);	3011	);
2117		3012
2118	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
2119		3014
2120	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2163		3058
2164	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2165		3060
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2167		3066
2168	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2169		3068
2170	=pod	3069	=pod
2171		3070
2172	The following functions and methods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2173		3072
2174	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2175	cf::object::player player	3077	cf::object::player
2176	cf::player peaceful	3078	player
2177	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2178		3085
2179	=cut	3086	=cut
2180		3087
2181	for (	3088	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2186	) {	3095	) {
2187	no strict 'refs';	3096	no strict 'refs';
…		…
2258	=back	3167	=back
2259		3168
2260	=cut	3169	=cut
2261		3170
2262	#############################################################################	3171	#############################################################################
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	3172	# the server's init and main functions
2336		3173
2337	sub load_facedata {	3174	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3175	my ($path) = @_;
		3176
		3177	# HACK to clear player env face cache, we need some signal framework
		3178	# for this (global event?)
		3179	%ext::player_env::MUSIC_FACE_CACHE = ();
		3180
		3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3182
2340	warn "loading facedata from $path\n";	3183	warn "loading facedata from $path\n";
2341		3184
2342	my $facedata;	3185	my $facedata;
2343	0 < aio_load $path, $facedata	3186	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3189	$facedata = Coro::Storable::thaw $facedata;
2347		3190
2348	$facedata->{version} == 2	3191	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3193
		3194	# patch in the exptable
		3195	$facedata->{resource}{"res/exp_table"} = {
		3196	type => FT_RSRC,
		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3198	};
		3199	cf::cede_to_tick;
		3200
2351	{	3201	{
2352	my $faces = $facedata->{faceinfo};	3202	my $faces = $facedata->{faceinfo};
2353		3203
2354	while (my ($face, $info) = each %$faces) {	3204	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3206
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3207	cf::face::set_visibility $idx, $info->{visibility};
		3208	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3211
		3212	cf::cede_to_tick;
2360	}	3213	}
2361		3214
2362	while (my ($face, $info) = each %$faces) {	3215	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3216	next unless $info->{smooth};
		3217
2364	my $idx = cf::face::find $face	3218	my $idx = cf::face::find $face
2365	or next;	3219	or next;
		3220
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3224	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3226	}
2371	Coro::cede;	3227
		3228	cf::cede_to_tick;
2372	}	3229	}
2373	}	3230	}
2374		3231
2375	{	3232	{
2376	my $anims = $facedata->{animinfo};	3233	my $anims = $facedata->{animinfo};
2377		3234
2378	while (my ($anim, $info) = each %$anims) {	3235	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3237	cf::cede_to_tick;
2381	}	3238	}
2382		3239
2383	cf::anim::invalidate_all; # d'oh	3240	cf::anim::invalidate_all; # d'oh
2384	}	3241	}
2385		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
2386	1	3278	1
2387	}	3279	}
2388		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
		3314	load_resource_file "$MAPDIR/regions"
		3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
		3321	}
		3322
		3323	sub reload_facedata {
		3324	load_facedata "$DATADIR/facedata"
		3325	or die "unable to load facedata\n";
		3326	}
		3327
		3328	sub reload_archetypes {
		3329	load_resource_file "$DATADIR/archetypes"
		3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
2389	sub reload_resources {	3343	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3344	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3345
		3346	reload_regions;
2392	load_facedata	3347	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3348	#reload_archetypes;#d#
		3349	reload_archetypes;
		3350	reload_treasures;
		3351
		3352	warn "finished reloading resource files\n";
2394	}	3353	}
2395		3354
2396	sub init {	3355	sub init {
2397	reload_resources;	3356	reload_resources;
2398	}	3357	}
2399		3358
2400	sub cfg_load {	3359	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3361	or return;
2403		3362
2404	local $/;	3363	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2406		3365
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3367
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$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};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2421	sub main {	3380	sub main {
2422	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3384	(async {
2426	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2428	};	3388	};
2429		3389
2430	cfg_load;	3390	reload_config;
2431	db_init;	3391	db_init;
2432	load_extensions;	3392	load_extensions;
2433		3393
2434	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2435	Event::loop;	3396	EV::loop;
2436	}	3397	}
2437		3398
2438	#############################################################################	3399	#############################################################################
2439	# initialisation and cleanup	3400	# initialisation and cleanup
2440		3401
2441	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2442	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3406	$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";	3407	cf::cleanup "SIG$signal";
2451	},
2452	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2453	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2454	}	3491	}
2455		3492
2456	sub emergency_save() {	3493	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2458		3495
…		…
2464	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3507	$pl->save;
2470	}	3508	}
2471	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2472		3510
2473	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2479	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
2480		3518
2481	warn "begin emergency database checkpoint\n";	3519	warn "begin emergency database checkpoint\n";
2482	BDB::db_env_txn_checkpoint $DB_ENV;	3520	BDB::db_env_txn_checkpoint $DB_ENV;
2483	warn "end emergency database checkpoint\n";	3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2484	};	3526	};
2485		3527
2486	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2487	}	3529	}
2488		3530
…		…
2491		3533
2492	warn Carp::longmess "post_cleanup backtrace"	3534	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3535	if $make_core;
2494	}	3536	}
2495		3537
2496	sub reload() {	3538	sub do_reload_perl() {
2497	# can/must only be called in main	3539	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3540	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3541	warn "can only reload from main coroutine";
2500	return;	3542	return;
2501	}	3543	}
…		…
2503	warn "reloading...";	3545	warn "reloading...";
2504		3546
2505	warn "entering sync_job";	3547	warn "entering sync_job";
2506		3548
2507	cf::sync_job {	3549	cf::sync_job {
2508	cf::write_runtime; # external watchdog should not bark	3550	cf::write_runtime_sync; # external watchdog should not bark
2509	cf::emergency_save;	3551	cf::emergency_save;
2510	cf::write_runtime; # external watchdog should not bark	3552	cf::write_runtime_sync; # external watchdog should not bark
2511		3553
2512	warn "syncing database to disk";	3554	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3555	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3556
2515	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2516
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521		3558
2522	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2523	for (;;) {	3560	for (;;) {
2524	BDB::flush;	3561	BDB::flush;
2525	IO::AIO::flush;	3562	IO::AIO::flush;
2526	Coro::cede;	3563	Coro::cede_notself;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";	3565	warn "iterate...";
2529	}	3566	}
2530		3567
2531	++$RELOAD;	3568	++$RELOAD;
…		…
2535	%EXT_CORO = ();	3572	%EXT_CORO = ();
2536		3573
2537	warn "removing commands";	3574	warn "removing commands";
2538	%COMMAND = ();	3575	%COMMAND = ();
2539		3576
2540	warn "removing ext commands";	3577	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2542		3580
2543	warn "unloading/nuking all extensions";	3581	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2546		3584
…		…
2576	Symbol::delete_package "safe::$_"	3614	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3616
2579	warn "unloading cf.pm \"a bit\"";	3617	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3618	delete $INC{"cf.pm"};
		3619	delete $INC{"cf/pod.pm"};
2581		3620
2582	# don't, removes xs symbols, too,	3621	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3622	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3623	#Symbol::delete_package __PACKAGE__;
2585		3624
…		…
2588	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2589	require cf;	3628	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3630
2592	warn "loading config and database again";	3631	warn "loading config and database again";
2593	cf::cfg_load;	3632	cf::reload_config;
2594		3633
2595	warn "loading extensions";	3634	warn "loading extensions";
2596	cf::load_extensions;	3635	cf::load_extensions;
2597		3636
2598	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3639	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3640	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3641	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3642	reattach $_ for values %PLAYER;
2604		3643
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3644	warn "leaving sync_job";
2609		3645
2610	1	3646	1
2611	} or do {	3647	} or do {
2612	warn $@;	3648	warn $@;
2613	warn "error while reloading, exiting.";	3649	cf::cleanup "error while reloading, exiting.";
2614	exit 1;
2615	};	3650	};
2616		3651
2617	warn "reloaded";	3652	warn "reloaded";
2618	};	3653	};
2619		3654
2620	our $RELOAD_WATCHER; # used only during reload	3655	our $RELOAD_WATCHER; # used only during reload
2621		3656
		3657	sub reload_perl() {
		3658	# doing reload synchronously and two reloads happen back-to-back,
		3659	# coro crashes during coro_state_free->destroy here.
		3660
		3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3662	do_reload_perl;
		3663	undef $RELOAD_WATCHER;
		3664	};
		3665	}
		3666
2622	register_command "reload" => sub {	3667	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2624		3669
2625	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
2627		3672	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3673	$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;	3674	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3675	};
2640	}	3676	}
2641	};	3677	};
2642		3678
2643	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2644		3680
…		…
2646		3682
2647	our @WAIT_FOR_TICK;	3683	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3684	our @WAIT_FOR_TICK_BEGIN;
2649		3685
2650	sub wait_for_tick {	3686	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3687	return if tick_inhibit;
		3688	return if $Coro::current == $Coro::main;
		3689
2652	my $signal = new Coro::Signal;	3690	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3691	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3692	$signal->wait;
2655	}	3693	}
2656		3694
2657	sub wait_for_tick_begin {	3695	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3696	return if tick_inhibit;
		3697	return if $Coro::current == $Coro::main;
		3698
2659	my $signal = new Coro::Signal;	3699	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3700	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3701	$signal->wait;
2662	}	3702	}
2663		3703
2664	$TICK_WATCHER = Event->timer (	3704	sub tick {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
2674	return;	3708	return;
2675	}	3709	}
2676		3710
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		3712
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	3715	Coro::async_pool {
		3716	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3717	write_runtime_sync
2687	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
2688	};
2689	}	3719	};
		3720	}
2690		3721
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3723	$sig->send;
2693	}	3724	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3725	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3726	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	3727	}
2707	);	3728
		3729	$LOAD = ($NOW - $TICK_START) / $TICK;
		3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3731
		3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
		3738	}
		3739	}
2708		3740
2709	{	3741	{
2710	BDB::max_poll_time $TICK * 0.1;	3742	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	3743
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	3744	BDB::min_parallel 8;
2720		3745	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	3746	$Coro::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		3747
2736	unless ($DB_ENV) {	3748	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		3754
2739	cf::sync_job {	3755	cf::sync_job {
2740	eval {	3756	eval {
2741	BDB::db_env_open	3757	BDB::db_env_open
2742	$DB_ENV,	3758	$DB_ENV,
2743	$BDB_ENV_DIR,	3759	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3762	0666;
2747		3763
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	3765	};
2753		3766
2754	cf::cleanup "db_env_open(db): $@" if $@;	3767	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3768	};
2756	}	3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
2757	}	3780	}
2758		3781
2759	{	3782	{
		3783	# configure IO::AIO
		3784
2760	IO::AIO::min_parallel 8;	3785	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	3786	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	3787	$Coro::AIO::WATCHER->priority (1);
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	3788	}
		3789
		3790	my $_log_backtrace;
		3791
		3792	sub _log_backtrace {
		3793	my ($msg, @addr) = @_;
		3794
		3795	$msg =~ s/\n//;
		3796
		3797	# limit the # of concurrent backtraces
		3798	if ($_log_backtrace < 2) {
		3799	++$_log_backtrace;
		3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
		3803	my @bt = fork_call {
		3804	@addr = map { sprintf "%x", $_ } @addr;
		3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3807	or die "addr2line: $!";
		3808
		3809	my @funcs;
		3810	my @res = <$fh>;
		3811	chomp for @res;
		3812	while (@res) {
		3813	my ($func, $line) = splice @res, 0, 2, ();
		3814	push @funcs, "[$func] $line";
		3815	}
		3816
		3817	@funcs
		3818	};
		3819
		3820	LOG llevInfo, "[ABT] $msg\n";
		3821	LOG llevInfo, "[ABT] $_\n" for @bt;
		3822	--$_log_backtrace;
		3823	};
		3824	} else {
		3825	LOG llevInfo, "[ABT] $msg\n";
		3826	LOG llevInfo, "[ABT] [suppressed]\n";
		3827	}
		3828	}
		3829
		3830	# load additional modules
		3831	use cf::pod;
2773		3832
2774	END { cf::emergency_save }	3833	END { cf::emergency_save }
2775		3834
2776	1	3835	1
2777		3836

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