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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 1.414 by root, Thu Apr 10 09:10:45 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 $value = cf::db_get $family => $key
371	and return;
372		555
		556	Returns a single value from the environment database.
		557
		558	=item cf::db_put $family => $key => $value
		559
		560	Stores the given C<$value> in the family. It can currently store binary
		561	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		562
		563	=item $db = cf::db_table "name"
		564
		565	Create and/or open a new database table. The string must not be "db" and must be unique
		566	within each server.
		567
		568	=cut
		569
		570	sub db_table($) {
		571	my ($name) = @_;
		572	my $db = BDB::db_create $DB_ENV;
		573
		574	eval {
		575	$db->set_flags (BDB::CHKSUM);
		576
		577	utf8::encode $name;
		578	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		579	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		580	cf::cleanup "db_open(db): $!" if $!;
		581	};
		582	cf::cleanup "db_open(db): $@" if $@;
		583
		584	$db
		585	}
		586
		587	our $DB;
		588
		589	sub db_init {
		590	cf::sync_job {
		591	$DB ||= db_table "db";
		592	};
		593	}
		594
		595	sub db_get($$) {
		596	my $key = "$_[0]/$_[1]";
		597
		598	cf::sync_job {
		599	BDB::db_get $DB, undef, $key, my $data;
		600
		601	$! ? ()
		602	: $data
373	1	603	}
		604	}
		605
		606	sub db_put($$$) {
		607	BDB::dbreq_pri 4;
		608	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		609	}
		610
		611	=item cf::cache $id => [$paths...], $processversion => $process
		612
		613	Generic caching function that returns the value of the resource $id,
		614	caching and regenerating as required.
		615
		616	This function can block.
		617
		618	=cut
		619
		620	sub cache {
		621	my ($id, $src, $processversion, $process) = @_;
		622
		623	my $meta =
		624	join "\x00",
		625	$processversion,
		626	map {
		627	aio_stat $_
		628	and Carp::croak "$_: $!";
		629
		630	($_, (stat _)[7,9])
		631	} @$src;
		632
		633	my $dbmeta = db_get cache => "$id/meta";
		634	if ($dbmeta ne $meta) {
		635	# changed, we may need to process
		636
		637	my @data;
		638	my $md5;
		639
		640	for (0 .. $#$src) {
		641	0 <= aio_load $src->[$_], $data[$_]
		642	or Carp::croak "$src->[$_]: $!";
		643	}
		644
		645	# if processing is expensive, check
		646	# checksum first
		647	if (1) {
		648	$md5 =
		649	join "\x00",
		650	$processversion,
		651	map {
		652	cf::cede_to_tick;
		653	($src->[$_], Digest::MD5::md5_hex $data[$_])
		654	} 0.. $#$src;
		655
		656
		657	my $dbmd5 = db_get cache => "$id/md5";
		658	if ($dbmd5 eq $md5) {
		659	db_put cache => "$id/meta", $meta;
		660
		661	return db_get cache => "$id/data";
		662	}
		663	}
		664
		665	my $t1 = Time::HiRes::time;
		666	my $data = $process->(\@data);
		667	my $t2 = Time::HiRes::time;
		668
		669	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		670
		671	db_put cache => "$id/data", $data;
		672	db_put cache => "$id/md5" , $md5;
		673	db_put cache => "$id/meta", $meta;
		674
		675	return $data;
		676	}
		677
		678	db_get cache => "$id/data"
374	}	679	}
375		680
376	=item cf::datalog type => key => value, ...	681	=item cf::datalog type => key => value, ...
377		682
378	Log a datalog packet of the given type with the given key-value pairs.	683	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")	701	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	702	to it. All such attachable objects support the following methods.
398		703
399	In the following description, CLASS can be any of C<global>, C<object>	704	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	705	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	706	Deliantra).
402		707
403	=over 4	708	=over 4
404		709
405	=item $attachable->attach ($attachment, key => $value...)	710	=item $attachable->attach ($attachment, key => $value...)
406		711
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	874	$registry = $CB_TYPE[$object_type] ||= [];
570		875
571	} elsif ($type eq "subtype") {	876	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	877	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	878	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	879	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		880
576	} elsif ($type eq "package") {	881	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	882	my $pkg = shift @arg;
578		883
579	while (my ($name, $id) = each %cb_id) {	884	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	913	_attach $registry, $klass, @attach;
609	}	914	}
610		915
611	$obj->{$name} = \%arg;	916	$obj->{$name} = \%arg;
612	} else {	917	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	918	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	919	}
615		920
616	$obj->{_attachment}{$name} = undef;	921	$obj->{_attachment}{$name} = undef;
617	}	922	}
618		923
…		…
620	if (ref $_[0]) {	925	if (ref $_[0]) {
621	_object_attach @_;	926	_object_attach @_;
622	} else {	927	} else {
623	_attach shift->_attach_registry, @_;	928	_attach shift->_attach_registry, @_;
624	}	929	}
		930	_recalc_want;
625	};	931	};
626		932
627	# all those should be optimised	933	# all those should be optimised
628	sub cf::attachable::detach {	934	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	935	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	938	delete $obj->{_attachment}{$name};
633	reattach ($obj);	939	reattach ($obj);
634	} else {	940	} else {
635	Carp::croak "cannot, currently, detach class attachments";	941	Carp::croak "cannot, currently, detach class attachments";
636	}	942	}
		943	_recalc_want;
637	};	944	};
638		945
639	sub cf::attachable::attached {	946	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	947	my ($obj, $name) = @_;
641		948
…		…
656	";	963	";
657	die if $@;	964	die if $@;
658	}	965	}
659		966
660	our $override;	967	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	968	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		969
663	sub override {	970	sub override {
664	$override = 1;	971	$override = 1;
665	@invoke_results = ();	972	@INVOKE_RESULTS = (@_);
666	}	973	}
667		974
668	sub do_invoke {	975	sub do_invoke {
669	my $event = shift;	976	my $event = shift;
670	my $callbacks = shift;	977	my $callbacks = shift;
671		978
672	@invoke_results = ();	979	@INVOKE_RESULTS = ();
673		980
674	local $override;	981	local $override;
675		982
676	for (@$callbacks) {	983	for (@$callbacks) {
677	eval { &{$_->[1]} };	984	eval { &{$_->[1]} };
…		…
686	}	993	}
687		994
688	0	995	0
689	}	996	}
690		997
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	998	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		999
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1000	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		1001
695	Generate an object-specific event with the given arguments.	1002	Generate an object-specific event with the given arguments.
696		1003
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1004	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	1005	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	1006	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		1007
701	=back	1008	=back
702		1009
703	=cut	1010	=cut
704		1011
705	#############################################################################	1012	#############################################################################
706	# object support	1013	# object support
		1014
		1015	sub _object_equal($$);
		1016	sub _object_equal($$) {
		1017	my ($a, $b) = @_;
		1018
		1019	return 0 unless (ref $a) eq (ref $b);
		1020
		1021	if ("HASH" eq ref $a) {
		1022	my @ka = keys %$a;
		1023	my @kb = keys %$b;
		1024
		1025	return 0 if @ka != @kb;
		1026
		1027	for (0 .. $#ka) {
		1028	return 0 unless $ka[$_] eq $kb[$_];
		1029	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1030	}
		1031
		1032	} elsif ("ARRAY" eq ref $a) {
		1033
		1034	return 0 if @$a != @$b;
		1035
		1036	for (0 .. $#$a) {
		1037	return 0 unless _object_equal $a->[$_], $b->[$_];
		1038	}
		1039
		1040	} elsif ($a ne $b) {
		1041	return 0;
		1042	}
		1043
		1044	1
		1045	}
		1046
		1047	our $SLOW_MERGES;#d#
		1048	sub _can_merge {
		1049	my ($ob1, $ob2) = @_;
		1050
		1051	++$SLOW_MERGES;#d#
		1052
		1053	# we do the slow way here
		1054	return _object_equal $ob1, $ob2
		1055	}
707		1056
708	sub reattach {	1057	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1058	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1059	my ($obj) = @_;
711		1060
…		…
732	cf::attachable->attach (	1081	cf::attachable->attach (
733	prio => -1000000,	1082	prio => -1000000,
734	on_instantiate => sub {	1083	on_instantiate => sub {
735	my ($obj, $data) = @_;	1084	my ($obj, $data) = @_;
736		1085
737	$data = from_json $data;	1086	$data = decode_json $data;
738		1087
739	for (@$data) {	1088	for (@$data) {
740	my ($name, $args) = @$_;	1089	my ($name, $args) = @$_;
741		1090
742	$obj->attach ($name, %{$args || {} });	1091	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1107	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1108	my ($filename, $rdata, $objs) = @_;
760		1109
761	sync_job {	1110	sync_job {
762	if (length $$rdata) {	1111	if (length $$rdata) {
		1112	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1113	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1114	$decname, length $$rdata, scalar @$objs;
765		1115
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1116	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1117	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1118	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1119	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1120	close $fh;
771		1121
772	if (@$objs) {	1122	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1123	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1124	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1125	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1126	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1127	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1128	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1129	aio_rename "$filename.pst~", "$filename.pst";
780	}	1130	}
…		…
788	}	1138	}
789	} else {	1139	} else {
790	aio_unlink $filename;	1140	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1141	aio_unlink "$filename.pst";
792	}	1142	}
793	}	1143	};
794	}	1144	}
795		1145
796	sub object_freezer_as_string {	1146	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1147	my ($rdata, $objs) = @_;
798		1148
…		…
810	or return;	1160	or return;
811		1161
812	unless (aio_stat "$filename.pst") {	1162	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1163	(aio_load "$filename.pst", $av) >= 0
814	or return;	1164	or return;
		1165
815	$av = eval { (Storable::thaw $av)->{objs} };	1166	my $st = eval { Coro::Storable::thaw $av };
		1167	$av = $st->{objs};
816	}	1168	}
817		1169
		1170	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1171	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1172	$decname, length $data, scalar @{$av || []};
		1173
820	return ($data, $av);	1174	($data, $av)
821	}	1175	}
		1176
		1177	=head2 COMMAND CALLBACKS
		1178
		1179	=over 4
		1180
		1181	=cut
822		1182
823	#############################################################################	1183	#############################################################################
824	# command handling &c	1184	# command handling &c
825		1185
826	=item cf::register_command $name => \&callback($ob,$args);	1186	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1199	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1200	}
841		1201
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1202	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1203
844	Register a callbackf ro execution when the client sends an extcmd packet.	1204	Register a callback for execution when the client sends an (synchronous)
		1205	extcmd packet. Ext commands will be processed in the order they are
		1206	received by the server, like other user commands. The first argument is
		1207	the logged-in player. Ext commands can only be processed after a player
		1208	has logged in successfully.
845		1209
846	If the callback returns something, it is sent back as if reply was being	1210	If the callback returns something, it is sent back as if reply was being
847	called.	1211	called.
848		1212
		1213	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1214
		1215	Register a callback for execution when the client sends an (asynchronous)
		1216	exticmd packet. Exti commands are processed by the server as soon as they
		1217	are received, i.e. out of order w.r.t. other commands. The first argument
		1218	is a client socket. Exti commands can be received anytime, even before
		1219	log-in.
		1220
		1221	If the callback returns something, it is sent back as if reply was being
		1222	called.
		1223
849	=cut	1224	=cut
850		1225
851	sub register_extcmd {	1226	sub register_extcmd {
852	my ($name, $cb) = @_;	1227	my ($name, $cb) = @_;
853		1228
854	$EXTCMD{$name} = $cb;	1229	$EXTCMD{$name} = $cb;
		1230	}
		1231
		1232	sub register_exticmd {
		1233	my ($name, $cb) = @_;
		1234
		1235	$EXTICMD{$name} = $cb;
855	}	1236	}
856		1237
857	cf::player->attach (	1238	cf::player->attach (
858	on_command => sub {	1239	on_command => sub {
859	my ($pl, $name, $params) = @_;	1240	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1249	cf::override;
869	},	1250	},
870	on_extcmd => sub {	1251	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1252	my ($pl, $buf) = @_;
872		1253
873	my $msg = eval { from_json $buf };	1254	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1255
875	if (ref $msg) {	1256	if (ref $msg) {
		1257	my ($type, $reply, @payload) =
		1258	"ARRAY" eq ref $msg
		1259	? @$msg
		1260	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1261
		1262	my @reply;
		1263
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1264	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1265	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1266	}
		1267
		1268	$pl->ext_reply ($reply, @reply)
		1269	if $reply;
		1270
881	} else {	1271	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1272	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1273	}
884		1274
885	cf::override;	1275	cf::override;
886	},	1276	},
887	);	1277	);
888		1278
889	sub load_extension {
890	my ($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 {	1279	sub load_extensions {
		1280	cf::sync_job {
		1281	my %todo;
		1282
924	for my $ext (<$LIBDIR/*.ext>) {	1283	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1284	next unless -r $path;
926	eval {	1285
927	load_extension $ext;	1286	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1287	my $base = $1;
		1288	my $pkg = $1;
		1289	$pkg =~ s/[^[:word:]]/_/g;
		1290	$pkg = "ext::$pkg";
		1291
		1292	open my $fh, "<:utf8", $path
		1293	or die "$path: $!";
		1294
		1295	my $source = do { local $/; <$fh> };
		1296
		1297	my %ext = (
		1298	path => $path,
		1299	base => $base,
		1300	pkg => $pkg,
		1301	);
		1302
		1303	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1304	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1305
		1306	$ext{source} =
		1307	"package $pkg; use strict; use utf8;\n"
		1308	. "#line 1 \"$path\"\n{\n"
		1309	. $source
		1310	. "\n};\n1";
		1311
		1312	$todo{$base} = \%ext;
		1313	}
		1314
		1315	my %done;
		1316	while (%todo) {
		1317	my $progress;
		1318
		1319	while (my ($k, $v) = each %todo) {
		1320	for (split /,\s*/, $v->{meta}{depends}) {
		1321	goto skip
		1322	unless exists $done{$_};
		1323	}
		1324
		1325	warn "... loading '$k' into '$v->{pkg}'\n";
		1326
		1327	unless (eval $v->{source}) {
		1328	my $msg = $@ ? "$v->{path}: $@\n"
		1329	: "$v->{base}: extension inactive.\n";
		1330
		1331	if (exists $v->{meta}{mandatory}) {
		1332	warn $msg;
		1333	cf::cleanup "mandatory extension failed to load, exiting.";
		1334	}
		1335
		1336	warn $msg;
		1337	}
		1338
		1339	$done{$k} = delete $todo{$k};
		1340	push @EXTS, $v->{pkg};
		1341	$progress = 1;
928	1	1342	}
929	} or warn "$ext not loaded: $@";	1343
		1344	skip:
		1345	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1346	unless $progress;
		1347	}
930	}	1348	};
931	}	1349	}
932		1350
933	#############################################################################	1351	#############################################################################
934		1352
		1353	=back
		1354
935	=head2 CORE EXTENSIONS	1355	=head2 CORE EXTENSIONS
936		1356
937	Functions and methods that extend core crossfire objects.	1357	Functions and methods that extend core crossfire objects.
938		1358
939	=cut	1359	=cut
…		…
944		1364
945	=head3 cf::player	1365	=head3 cf::player
946		1366
947	=over 4	1367	=over 4
948		1368
		1369	=item cf::player::num_playing
		1370
		1371	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1372
		1373	=cut
		1374
		1375	sub num_playing {
		1376	scalar grep
		1377	$_->ob->map
		1378	&& !$_->hidden
		1379	&& !$_->ob->flag (cf::FLAG_WIZ),
		1380	cf::player::list
		1381	}
		1382
949	=item cf::player::find $login	1383	=item cf::player::find $login
950		1384
951	Returns the given player object, loading it if necessary (might block).	1385	Returns the given player object, loading it if necessary (might block).
952		1386
953	=cut	1387	=cut
954		1388
955	sub playerdir($) {	1389	sub playerdir($) {
956	cf::localdir	1390	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1391	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1392	}
962		1393
963	sub path($) {	1394	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1395	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1422	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1423	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1424	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1425	aio_unlink +(playerdir $login) . "/$login.pl";
995		1426
996	my $pl = load_pl path $login	1427	my $f = new_from_file cf::object::thawer path $login
997	or return;	1428	or return;
		1429
		1430	my $pl = cf::player::load_pl $f
		1431	or return;
		1432	local $cf::PLAYER_LOADING{$login} = $pl;
		1433	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1434	$cf::PLAYER{$login} = $pl
999	}	1435	}
1000	}	1436	}
1001	}	1437	}
1002		1438
…		…
1012		1448
1013	aio_mkdir playerdir $pl, 0770;	1449	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1450	$pl->{last_save} = $cf::RUNTIME;
1015		1451
1016	$pl->save_pl ($path);	1452	$pl->save_pl ($path);
1017	Coro::cede;	1453	cf::cede_to_tick;
1018	}	1454	}
1019		1455
1020	sub new($) {	1456	sub new($) {
1021	my ($login) = @_;	1457	my ($login) = @_;
1022		1458
…		…
1026	$self->{deny_save} = 1;	1462	$self->{deny_save} = 1;
1027		1463
1028	$cf::PLAYER{$login} = $self;	1464	$cf::PLAYER{$login} = $self;
1029		1465
1030	$self	1466	$self
		1467	}
		1468
		1469	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1470
		1471	=cut
		1472
		1473	sub send_msg {
		1474	my $ns = shift->ns
		1475	or return;
		1476	$ns->send_msg (@_);
1031	}	1477	}
1032		1478
1033	=item $pl->quit_character	1479	=item $pl->quit_character
1034		1480
1035	Nukes the player without looking back. If logged in, the connection will	1481	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1530	while and may block, so not sync_job-capable, ever.
1085		1531
1086	=cut	1532	=cut
1087		1533
1088	sub list_logins {	1534	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1535	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1536	or return [];
1091		1537
1092	my @logins;	1538	my @logins;
1093		1539
1094	for my $login (@$dirs) {	1540	for my $login (@$dirs) {
		1541	my $path = path $login;
		1542
		1543	# a .pst is a dead give-away for a valid player
		1544	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1545	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1546	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1547	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1548	}
1098		1549
1099	utf8::decode $login;	1550	utf8::decode $login;
1100	push @logins, $login;	1551	push @logins, $login;
1101	}	1552	}
1102		1553
…		…
1129	}	1580	}
1130		1581
1131	\@paths	1582	\@paths
1132	}	1583	}
1133		1584
		1585	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1586
		1587	Expand crossfire pod fragments into protocol xml.
		1588
		1589	=cut
		1590
		1591	use re 'eval';
		1592
		1593	my $group;
		1594	my $interior; $interior = qr{
		1595	# match a pod interior sequence sans C<< >>
		1596	(?:
		1597	\ (.*?)\ (?{ $group = $^N })
		1598	| < (??{$interior}) >
		1599	)
		1600	}x;
		1601
		1602	sub expand_cfpod {
		1603	my ($self, $pod) = @_;
		1604
		1605	my $xml;
		1606
		1607	while () {
		1608	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1609	$group = $1;
		1610
		1611	$group =~ s/&/&amp;/g;
		1612	$group =~ s/</&lt;/g;
		1613
		1614	$xml .= $group;
		1615	} elsif ($pod =~ m%\G
		1616	([BCGHITU])
		1617	<
		1618	(?:
		1619	([^<>]*) (?{ $group = $^N })
		1620	| < $interior >
		1621	)
		1622	>
		1623	%gcsx
		1624	) {
		1625	my ($code, $data) = ($1, $group);
		1626
		1627	if ($code eq "B") {
		1628	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1629	} elsif ($code eq "I") {
		1630	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1631	} elsif ($code eq "U") {
		1632	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1633	} elsif ($code eq "C") {
		1634	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1635	} elsif ($code eq "T") {
		1636	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1637	} elsif ($code eq "G") {
		1638	my ($male, $female) = split /\|/, $data;
		1639	$data = $self->gender ? $female : $male;
		1640	$xml .= expand_cfpod ($self, $data);
		1641	} elsif ($code eq "H") {
		1642	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1643	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1644	"")
		1645	[$self->{hintmode}];
		1646	} else {
		1647	$xml .= "error processing '$code($data)' directive";
		1648	}
		1649	} else {
		1650	if ($pod =~ /\G(.+)/) {
		1651	warn "parse error while expanding $pod (at $1)";
		1652	}
		1653	last;
		1654	}
		1655	}
		1656
		1657	for ($xml) {
		1658	# create single paragraphs (very hackish)
		1659	s/(?<=\S)\n(?=\w)/ /g;
		1660
		1661	# compress some whitespace
		1662	s/\s+\n/\n/g; # ws line-ends
		1663	s/\n\n+/\n/g; # double lines
		1664	s/^\n+//; # beginning lines
		1665	s/\n+$//; # ending lines
		1666	}
		1667
		1668	$xml
		1669	}
		1670
		1671	no re 'eval';
		1672
		1673	sub hintmode {
		1674	$_[0]{hintmode} = $_[1] if @_ > 1;
		1675	$_[0]{hintmode}
		1676	}
		1677
1134	=item $player->ext_reply ($msgid, %msg)	1678	=item $player->ext_reply ($msgid, @msg)
1135		1679
1136	Sends an ext reply to the player.	1680	Sends an ext reply to the player.
1137		1681
1138	=cut	1682	=cut
1139		1683
1140	sub ext_reply($$%) {	1684	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1685	my ($self, $id, @msg) = @_;
1142		1686
1143	$msg{msgid} = $id;	1687	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1688	}
1147		1689
1148	=item $player->ext_event ($type, %msg)	1690	=item $player->ext_msg ($type, @msg)
1149		1691
1150	Sends an ext event to the client.	1692	Sends an ext event to the client.
1151		1693
1152	=cut	1694	=cut
1153		1695
1154	sub ext_event($$%) {	1696	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1697	my ($self, $type, @msg) = @_;
1156		1698
1157	$self->ns->ext_event ($type, %msg);	1699	$self->ns->ext_msg ($type, @msg);
1158	}	1700	}
1159		1701
1160	=head3 cf::region	1702	=head3 cf::region
1161		1703
1162	=over 4	1704	=over 4
…		…
1165		1707
1166	package cf::region;	1708	package cf::region;
1167		1709
1168	=item cf::region::find_by_path $path	1710	=item cf::region::find_by_path $path
1169		1711
1170	Tries to decuce the probable region for a map knowing only its path.	1712	Tries to decuce the likely region for a map knowing only its path.
1171		1713
1172	=cut	1714	=cut
1173		1715
1174	sub find_by_path($) {	1716	sub find_by_path($) {
1175	my ($path) = @_;	1717	my ($path) = @_;
1176		1718
1177	my ($match, $specificity);	1719	my ($match, $specificity);
1178		1720
1179	for my $region (list) {	1721	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1722	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1723	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1724	if $region->specificity > $specificity;
1183	}	1725	}
1184	}	1726	}
1185		1727
…		…
1249	my ($self, $merge) = @_;	1791	my ($self, $merge) = @_;
1250		1792
1251	# we have to keep some variables in memory intact	1793	# we have to keep some variables in memory intact
1252	local $self->{path};	1794	local $self->{path};
1253	local $self->{load_path};	1795	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1796
1257	$self->SUPER::thawer_merge ($merge);	1797	$self->SUPER::thawer_merge ($merge);
1258	}	1798	}
1259		1799
1260	sub normalise {	1800	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1847	$self->init; # pass $1 etc.
1308	return $self;	1848	return $self;
1309	}	1849	}
1310	}	1850	}
1311		1851
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1852	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1853	()
1314	}	1854	}
1315		1855
1316	sub init {	1856	sub init {
1317	my ($self) = @_;	1857	my ($self) = @_;
…		…
1332		1872
1333	# the original (read-only) location	1873	# the original (read-only) location
1334	sub load_path {	1874	sub load_path {
1335	my ($self) = @_;	1875	my ($self) = @_;
1336		1876
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1877	"$MAPDIR/$self->{path}.map"
1338	}	1878	}
1339		1879
1340	# the temporary/swap location	1880	# the temporary/swap location
1341	sub save_path {	1881	sub save_path {
1342	my ($self) = @_;	1882	my ($self) = @_;
1343		1883
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1884	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1885	"$TMPDIR/$path.map"
1346	}	1886	}
1347		1887
1348	# the unique path, undef == no special unique path	1888	# the unique path, undef == no special unique path
1349	sub uniq_path {	1889	sub uniq_path {
1350	my ($self) = @_;	1890	my ($self) = @_;
1351		1891
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1892	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1893	"$UNIQUEDIR/$path"
1354	}	1894	}
1355		1895
1356	# and all this just because we cannot iterate over	1896	# and all this just because we cannot iterate over
1357	# all maps in C++...	1897	# all maps in C++...
1358	sub change_all_map_light {	1898	sub change_all_map_light {
…		…
1360		1900
1361	$_->change_map_light ($change)	1901	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1902	for grep $_->outdoor, values %cf::MAP;
1363	}	1903	}
1364		1904
		1905	sub decay_objects {
		1906	my ($self) = @_;
		1907
		1908	return if $self->{deny_reset};
		1909
		1910	$self->do_decay_objects;
		1911	}
		1912
1365	sub unlink_save {	1913	sub unlink_save {
1366	my ($self) = @_;	1914	my ($self) = @_;
1367		1915
1368	utf8::encode (my $save = $self->save_path);	1916	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1917	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1920
1373	sub load_header_from($) {	1921	sub load_header_from($) {
1374	my ($self, $path) = @_;	1922	my ($self, $path) = @_;
1375		1923
1376	utf8::encode $path;	1924	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1925	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1926	or return;
		1927
		1928	$self->_load_header ($f)
		1929	or return;
		1930
		1931	local $MAP_LOADING{$self->{path}} = $self;
		1932	$f->resolve_delayed_derefs;
1382		1933
1383	$self->{load_path} = $path;	1934	$self->{load_path} = $path;
1384		1935
1385	1	1936	1
1386	}	1937	}
…		…
1425	$self->load_header_orig	1976	$self->load_header_orig
1426	or return;	1977	or return;
1427	$self->prepare_orig;	1978	$self->prepare_orig;
1428	}	1979	}
1429		1980
		1981	$self->{deny_reset} = 1
		1982	if $self->no_reset;
		1983
1430	$self->default_region (cf::region::find_by_path $self->{path})	1984	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1985	unless $self->default_region;
1432		1986
1433	1	1987	1
1434	}	1988	}
…		…
1437	sub find {	1991	sub find {
1438	my ($path, $origin) = @_;	1992	my ($path, $origin) = @_;
1439		1993
1440	$path = normalise $path, $origin && $origin->path;	1994	$path = normalise $path, $origin && $origin->path;
1441		1995
		1996	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1997	cf::lock_wait "map_find:$path";
1443		1998
1444	$cf::MAP{$path} || do {	1999	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	2000	my $guard1 = cf::lock_acquire "map_find:$path";
		2001	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2002
1446	my $map = new_from_path cf::map $path	2003	my $map = new_from_path cf::map $path
1447	or return;	2004	or return;
1448		2005
1449	$map->{last_save} = $cf::RUNTIME;	2006	$map->{last_save} = $cf::RUNTIME;
1450		2007
1451	$map->load_header	2008	$map->load_header
1452	or return;	2009	or return;
1453		2010
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2011	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	2012	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	2013	#$cf::WAIT_FOR_TICK->wait;
		2014	undef $guard1;
		2015	undef $guard2;
1457	$map->reset;	2016	$map->reset;
1458	undef $guard;
1459	return find $path;	2017	return find $path;
1460	}	2018	}
1461		2019
1462	$cf::MAP{$path} = $map	2020	$cf::MAP{$path} = $map
1463	}	2021	}
…		…
1470	my ($self) = @_;	2028	my ($self) = @_;
1471		2029
1472	local $self->{deny_reset} = 1; # loading can take a long time	2030	local $self->{deny_reset} = 1; # loading can take a long time
1473		2031
1474	my $path = $self->{path};	2032	my $path = $self->{path};
		2033
		2034	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2035	my $guard = cf::lock_acquire "map_data:$path";
1476		2036
		2037	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2038	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2039
1479	$self->in_memory (cf::MAP_LOADING);	2040	$self->in_memory (cf::MAP_LOADING);
1480		2041
1481	$self->alloc;	2042	$self->alloc;
1482		2043
1483	$self->pre_load;	2044	$self->pre_load;
1484	Coro::cede;	2045	cf::cede_to_tick;
1485		2046
1486	$self->_load_objects ($self->{load_path}, 1)	2047	my $f = new_from_file cf::object::thawer $self->{load_path};
		2048	$f->skip_block;
		2049	$self->_load_objects ($f)
1487	or return;	2050	or return;
1488		2051
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2052	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2053	if delete $self->{load_original};
1491		2054
1492	if (my $uniq = $self->uniq_path) {	2055	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2056	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2057	unless (aio_stat $uniq) {
		2058	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2059	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2060	$self->_load_objects ($f);
		2061	$f->resolve_delayed_derefs;
		2062	}
1497	}	2063	}
1498	}	2064	}
1499		2065
1500	Coro::cede;	2066	$f->resolve_delayed_derefs;
		2067
		2068	cf::cede_to_tick;
1501	# now do the right thing for maps	2069	# now do the right thing for maps
1502	$self->link_multipart_objects;	2070	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($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)	2071	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2072	unless $self->difficulty;
1513	Coro::cede;	2073	cf::cede_to_tick;
		2074
		2075	unless ($self->{deny_activate}) {
		2076	$self->decay_objects;
		2077	$self->fix_auto_apply;
		2078	$self->update_buttons;
		2079	cf::cede_to_tick;
		2080	$self->set_darkness_map;
		2081	cf::cede_to_tick;
1514	$self->activate;	2082	$self->activate;
1515	Coro::cede;	2083	}
		2084
		2085	$self->{last_save} = $cf::RUNTIME;
		2086	$self->last_access ($cf::RUNTIME);
		2087
		2088	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2089	}
1517		2090
1518	$self->post_load;	2091	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2092	}
1523		2093
1524	sub customise_for {	2094	sub customise_for {
1525	my ($self, $ob) = @_;	2095	my ($self, $ob) = @_;
1526		2096
1527	return find "~" . $ob->name . "/" . $self->{path}	2097	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2098	if $self->per_player;
1529		2099
		2100	# return find "?party/" . $ob->name . "/" . $self->{path}
		2101	# if $self->per_party;
		2102
1530	$self	2103	$self
1531	}	2104	}
1532		2105
1533	# find and load all maps in the 3x3 area around a map	2106	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2107	sub load_neighbours {
1535	my ($map) = @_;	2108	my ($map) = @_;
1536		2109
1537	my @diag; # diagonal neighbours	2110	my @neigh; # diagonal neighbours
1538		2111
1539	for (0 .. 3) {	2112	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2113	my $neigh = $map->tile_path ($_)
1541	or next;	2114	or next;
1542	$neigh = find $neigh, $map	2115	$neigh = find $neigh, $map
1543	or next;	2116	or next;
1544	$neigh->load;	2117	$neigh->load;
1545		2118
		2119	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2120	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2121	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2122	}
1549		2123
1550	for (@diag) {	2124	for (grep defined $_->[0], @neigh) {
		2125	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2126	my $neigh = find $path, $origin
1552	or next;	2127	or next;
1553	$neigh->load;	2128	$neigh->load;
1554	}	2129	}
1555	}	2130	}
1556		2131
…		…
1561	}	2136	}
1562		2137
1563	sub do_load_sync {	2138	sub do_load_sync {
1564	my ($map) = @_;	2139	my ($map) = @_;
1565		2140
		2141	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2142	if $Coro::current == $Coro::main;
		2143
1566	cf::sync_job { $map->load };	2144	cf::sync_job { $map->load };
1567	}	2145	}
1568		2146
1569	our %MAP_PREFETCH;	2147	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2148	our $MAP_PREFETCHER = undef;
1571		2149
1572	sub find_async {	2150	sub find_async {
1573	my ($path, $origin) = @_;	2151	my ($path, $origin, $load) = @_;
1574		2152
1575	$path = normalise $path, $origin && $origin->{path};	2153	$path = normalise $path, $origin && $origin->{path};
1576		2154
1577	if (my $map = $cf::MAP{$path}) {	2155	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2156	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2157	}
1580		2158
1581	undef $MAP_PREFETCH{$path};	2159	$MAP_PREFETCH{$path} |= $load;
		2160
1582	$MAP_PREFETCHER ||= cf::async {	2161	$MAP_PREFETCHER ||= cf::async {
		2162	$Coro::current->{desc} = "map prefetcher";
		2163
1583	while (%MAP_PREFETCH) {	2164	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2165	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2166	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2167	$map->load if $v;
		2168	}
1588		2169
1589	delete $MAP_PREFETCH{$path};	2170	delete $MAP_PREFETCH{$k};
1590	}	2171	}
1591	}	2172	}
1592	undef $MAP_PREFETCHER;	2173	undef $MAP_PREFETCHER;
1593	};	2174	};
1594	$MAP_PREFETCHER->prio (6);	2175	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2178	}
1598		2179
1599	sub save {	2180	sub save {
1600	my ($self) = @_;	2181	my ($self) = @_;
1601		2182
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2183	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2184
1604	$self->{last_save} = $cf::RUNTIME;	2185	$self->{last_save} = $cf::RUNTIME;
1605		2186
1606	return unless $self->dirty;	2187	return unless $self->dirty;
1607		2188
…		…
1613	return if $self->{deny_save};	2194	return if $self->{deny_save};
1614		2195
1615	local $self->{last_access} = $self->last_access;#d#	2196	local $self->{last_access} = $self->last_access;#d#
1616		2197
1617	cf::async {	2198	cf::async {
		2199	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2200	$_->contr->save for $self->players;
1619	};	2201	};
1620		2202
1621	if ($uniq) {	2203	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2204	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2212	my ($self) = @_;
1631		2213
1632	# save first because save cedes	2214	# save first because save cedes
1633	$self->save;	2215	$self->save;
1634		2216
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2218
1637	return if $self->players;	2219	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2220	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2221	return if $self->{deny_save};
1640		2222
		2223	$self->in_memory (cf::MAP_SWAPPED);
		2224
		2225	$self->deactivate;
		2226	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2227	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2228	}
1644		2229
1645	sub reset_at {	2230	sub reset_at {
1646	my ($self) = @_;	2231	my ($self) = @_;
1647		2232
1648	# TODO: safety, remove and allow resettable per-player maps	2233	# 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};	2234	return 1e99 if $self->{deny_reset};
1651		2235
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2236	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2237	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2238
…		…
1665	my ($self) = @_;	2249	my ($self) = @_;
1666		2250
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2251	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2252
1669	return if $self->players;	2253	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2254
1672	warn "resetting map ", $self->path;#d#	2255	warn "resetting map ", $self->path;
1673		2256
1674	$self->in_memory (cf::MAP_SWAPPED);	2257	$self->in_memory (cf::MAP_SWAPPED);
1675		2258
1676	# need to save uniques path	2259	# need to save uniques path
1677	unless ($self->{deny_save}) {	2260	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2264	if $uniq;
1682	}	2265	}
1683		2266
1684	delete $cf::MAP{$self->path};	2267	delete $cf::MAP{$self->path};
1685		2268
		2269	$self->deactivate;
		2270	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2271	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2272
1690	$self->unlink_save;	2273	$self->unlink_save;
1691	$self->destroy;	2274	$self->destroy;
1692	}	2275	}
1693		2276
1694	my $nuke_counter = "aaaa";	2277	my $nuke_counter = "aaaa";
1695		2278
1696	sub nuke {	2279	sub nuke {
1697	my ($self) = @_;	2280	my ($self) = @_;
1698		2281
		2282	{
		2283	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2284
1699	delete $cf::MAP{$self->path};	2285	delete $cf::MAP{$self->path};
1700		2286
1701	$self->unlink_save;	2287	$self->unlink_save;
1702		2288
1703	bless $self, "cf::map";	2289	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2290	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2291	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2292	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2293	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2294
1709	$cf::MAP{$self->path} = $self;	2295	$cf::MAP{$self->path} = $self;
		2296	}
1710		2297
1711	$self->reset; # polite request, might not happen	2298	$self->reset; # polite request, might not happen
		2299	}
		2300
		2301	=item $maps = cf::map::tmp_maps
		2302
		2303	Returns an arrayref with all map paths of currently instantiated and saved
		2304	maps. May block.
		2305
		2306	=cut
		2307
		2308	sub tmp_maps() {
		2309	[
		2310	map {
		2311	utf8::decode $_;
		2312	/\.map$/
		2313	? normalise $_
		2314	: ()
		2315	} @{ aio_readdir $TMPDIR or [] }
		2316	]
		2317	}
		2318
		2319	=item $maps = cf::map::random_maps
		2320
		2321	Returns an arrayref with all map paths of currently instantiated and saved
		2322	random maps. May block.
		2323
		2324	=cut
		2325
		2326	sub random_maps() {
		2327	[
		2328	map {
		2329	utf8::decode $_;
		2330	/\.map$/
		2331	? normalise "?random/$_"
		2332	: ()
		2333	} @{ aio_readdir $RANDOMDIR or [] }
		2334	]
1712	}	2335	}
1713		2336
1714	=item cf::map::unique_maps	2337	=item cf::map::unique_maps
1715		2338
1716	Returns an arrayref of paths of all shared maps that have	2339	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2340	instantiated unique items. May block.
1718		2341
1719	=cut	2342	=cut
1720		2343
1721	sub unique_maps() {	2344	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2345	[
1723	or return;	2346	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2347	utf8::decode $_;
1729	next if /\.pst$/;	2348	/\.map$/
1730	next unless /^$PATH_SEP/o;	2349	? normalise $_
1731		2350	: ()
1732	push @paths, cf::map::normalise $_;	2351	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2352	]
1734
1735	\@paths
1736	}	2353	}
1737		2354
1738	package cf;	2355	package cf;
1739		2356
1740	=back	2357	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2375	map { $_, inv_recursive_ $_->inv } @_
1759	}	2376	}
1760		2377
1761	sub inv_recursive {	2378	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2379	inv_recursive_ inv $_[0]
		2380	}
		2381
		2382	=item $ref = $ob->ref
		2383
		2384	creates and returns a persistent reference to an objetc that can be stored as a string.
		2385
		2386	=item $ob = cf::object::deref ($refstring)
		2387
		2388	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2389	even if the object actually exists. May block.
		2390
		2391	=cut
		2392
		2393	sub deref {
		2394	my ($ref) = @_;
		2395
		2396	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2397	my ($uuid, $name) = ($1, $2);
		2398	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2399	or return;
		2400	$pl->ob->uuid eq $uuid
		2401	or return;
		2402
		2403	$pl->ob
		2404	} else {
		2405	warn "$ref: cannot resolve object reference\n";
		2406	undef
		2407	}
1763	}	2408	}
1764		2409
1765	package cf;	2410	package cf;
1766		2411
1767	=back	2412	=back
…		…
1786		2431
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2432	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2433
1789	if ($self->{record_replies}) {	2434	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2435	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2436
1791	} else {	2437	} else {
		2438	my $pl = $self->contr;
		2439
		2440	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2441	my $dialog = $pl->{npc_dialog};
		2442	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2443
		2444	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2445	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2446	$self->message ($msg, $flags);
		2447	}
1794	}	2448	}
		2449	}
		2450
		2451	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2452
		2453	=cut
		2454
		2455	sub cf::object::send_msg {
		2456	my $pl = shift->contr
		2457	or return;
		2458	$pl->send_msg (@_);
1795	}	2459	}
1796		2460
1797	=item $player_object->may ("access")	2461	=item $player_object->may ("access")
1798		2462
1799	Returns wether the given player is authorized to access resource "access"	2463	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2510	$self->deactivate_recursive;
1847		2511
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2512	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2513
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2514	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2515	if $self->map && $self->map->{path} ne "{link}";
1852		2516
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2517	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2518	}
1855		2519
1856	sub cf::object::player::leave_link {	2520	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2521	my ($self, $map, $x, $y) = @_;
		2522
		2523	return unless $self->contr->active;
1858		2524
1859	my $link_pos = delete $self->{_link_pos};	2525	my $link_pos = delete $self->{_link_pos};
1860		2526
1861	unless ($map) {	2527	unless ($map) {
1862	# restore original map position	2528	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2542	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2543	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2544	if $x <=0 && $y <= 0;
1879		2545
1880	$map->load;	2546	$map->load;
1881	$map->load_diag;	2547	$map->load_neighbours;
1882		2548
1883	return unless $self->contr->active;	2549	return unless $self->contr->active;
1884	$self->activate_recursive;	2550	$self->activate_recursive;
1885		2551
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2552	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2553	$self->enter_map ($map, $x, $y);
1888	}	2554	}
1889		2555
1890	cf::player->attach (	2556	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2557
1894	# abort map switching before logout	2558	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2559	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2560	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2561	the new (success) or old (failed) map position. In either case, $done will
1898	};	2562	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2563
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	2564	=cut
		2565
		2566	our $GOTOGEN;
1925		2567
1926	sub cf::object::player::goto {	2568	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2569	my ($self, $path, $x, $y, $check, $done) = @_;
		2570
		2571	# do generation counting so two concurrent goto's will be executed in-order
		2572	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2573
1929	$self->enter_link;	2574	$self->enter_link;
1930		2575
1931	(async {	2576	(async {
		2577	$Coro::current->{desc} = "player::goto $path $x $y";
		2578
		2579	# *tag paths override both path and x|y
		2580	if ($path =~ /^\*(.*)$/) {
		2581	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2582	my $ob = $obs[rand @obs];
		2583
		2584	# see if we actually can go there
		2585	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2586	$ob = $obs[rand @obs];
		2587	} else {
		2588	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2589	}
		2590	# else put us there anyways for now #d#
		2591
		2592	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2593	} else {
		2594	($path, $x, $y) = (undef, undef, undef);
		2595	}
		2596	}
		2597
1932	my $map = eval {	2598	my $map = eval {
1933	my $map = cf::map::find $path;	2599	my $map = defined $path ? cf::map::find $path : undef;
		2600
		2601	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2602	$map = $map->customise_for ($self);
		2603	$map = $check->($map) if $check && $map;
		2604	} else {
		2605	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2606	}
		2607
1935	$map	2608	$map
		2609	};
		2610
		2611	if ($@) {
		2612	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2613	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2614	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2615
		2616	if ($gen == $self->{_goto_generation}) {
		2617	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2618	$self->leave_link ($map, $x, $y);
		2619	}
		2620
		2621	$done->() if $done;
1940	})->prio (1);	2622	})->prio (1);
1941	}	2623	}
1942		2624
1943	=item $player_object->enter_exit ($exit_object)	2625	=item $player_object->enter_exit ($exit_object)
1944		2626
…		…
1981	$rmp->{origin_y} = $exit->y;	2663	$rmp->{origin_y} = $exit->y;
1982	}	2664	}
1983		2665
1984	$rmp->{random_seed} ||= $exit->random_seed;	2666	$rmp->{random_seed} ||= $exit->random_seed;
1985		2667
1986	my $data = cf::to_json $rmp;	2668	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2669	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2670	my $meta = "$RANDOMDIR/$md5.meta";
1989		2671
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2672	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2673	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2674	undef $fh;
1993	aio_rename "$meta~", $meta;	2675	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2695	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2696	my $sp = $exit->stats->sp;
2015		2697
2016	$self->enter_link;	2698	$self->enter_link;
2017		2699
		2700	# if exit is damned, update players death & WoR home-position
		2701	$self->contr->savebed ($slaying, $hp, $sp)
		2702	if $exit->flag (FLAG_DAMNED);
		2703
2018	(async {	2704	(async {
		2705	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2706
2019	$self->deactivate_recursive; # just to be sure	2707	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2708	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2709	$self->goto ($slaying, $hp, $sp);
2022		2710
2023	1;	2711	1;
…		…
2049		2737
2050	utf8::encode $text;	2738	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2739	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2740	}
2053		2741
		2742	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2743
		2744	Send a drawinfo or msg packet to the client, formatting the msg for the
		2745	client if neccessary. C<$type> should be a string identifying the type of
		2746	the message, with C<log> being the default. If C<$color> is negative, suppress
		2747	the message unless the client supports the msg packet.
		2748
		2749	=cut
		2750
		2751	# non-persistent channels (usually the info channel)
		2752	our %CHANNEL = (
		2753	"c/identify" => {
		2754	id => "infobox",
		2755	title => "Identify",
		2756	reply => undef,
		2757	tooltip => "Items recently identified",
		2758	},
		2759	"c/examine" => {
		2760	id => "infobox",
		2761	title => "Examine",
		2762	reply => undef,
		2763	tooltip => "Signs and other items you examined",
		2764	},
		2765	"c/book" => {
		2766	id => "infobox",
		2767	title => "Book",
		2768	reply => undef,
		2769	tooltip => "The contents of a note or book",
		2770	},
		2771	"c/lookat" => {
		2772	id => "infobox",
		2773	title => "Look",
		2774	reply => undef,
		2775	tooltip => "What you saw there",
		2776	},
		2777	"c/who" => {
		2778	id => "infobox",
		2779	title => "Players",
		2780	reply => undef,
		2781	tooltip => "Shows players who are currently online",
		2782	},
		2783	"c/body" => {
		2784	id => "infobox",
		2785	title => "Body Parts",
		2786	reply => undef,
		2787	tooltip => "Shows which body parts you posess and are available",
		2788	},
		2789	"c/uptime" => {
		2790	id => "infobox",
		2791	title => "Uptime",
		2792	reply => undef,
		2793	tooltip => "How long the server has been running since last restart",
		2794	},
		2795	"c/mapinfo" => {
		2796	id => "infobox",
		2797	title => "Map Info",
		2798	reply => undef,
		2799	tooltip => "Information related to the maps",
		2800	},
		2801	);
		2802
		2803	sub cf::client::send_msg {
		2804	my ($self, $channel, $msg, $color, @extra) = @_;
		2805
		2806	$msg = $self->pl->expand_cfpod ($msg);
		2807
		2808	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2809
		2810	# check predefined channels, for the benefit of C
		2811	if ($CHANNEL{$channel}) {
		2812	$channel = $CHANNEL{$channel};
		2813
		2814	$self->ext_msg (channel_info => $channel)
		2815	if $self->can_msg;
		2816
		2817	$channel = $channel->{id};
		2818
		2819	} elsif (ref $channel) {
		2820	# send meta info to client, if not yet sent
		2821	unless (exists $self->{channel}{$channel->{id}}) {
		2822	$self->{channel}{$channel->{id}} = $channel;
		2823	$self->ext_msg (channel_info => $channel)
		2824	if $self->can_msg;
		2825	}
		2826
		2827	$channel = $channel->{id};
		2828	}
		2829
		2830	return unless @extra || length $msg;
		2831
		2832	if ($self->can_msg) {
		2833	# default colour, mask it out
		2834	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2835	if $color & cf::NDI_DEF;
		2836
		2837	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2838	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2839	} else {
		2840	if ($color >= 0) {
		2841	# replace some tags by gcfclient-compatible ones
		2842	for ($msg) {
		2843	1 while
		2844	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2845	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2846	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2847	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2848	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2849	}
		2850
		2851	$color &= cf::NDI_COLOR_MASK;
		2852
		2853	utf8::encode $msg;
		2854
		2855	if (0 && $msg =~ /\[/) {
		2856	# COMMAND/INFO
		2857	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2858	} else {
		2859	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2860	$self->send_packet ("drawinfo $color $msg")
		2861	}
		2862	}
		2863	}
		2864	}
		2865
2054	=item $client->ext_event ($type, %msg)	2866	=item $client->ext_msg ($type, @msg)
2055		2867
2056	Sends an exti event to the client.	2868	Sends an ext event to the client.
2057		2869
2058	=cut	2870	=cut
2059		2871
2060	sub cf::client::ext_event($$%) {	2872	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2873	my ($self, $type, @msg) = @_;
2062		2874
		2875	if ($self->extcmd == 2) {
		2876	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2877	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2878	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2879	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2880	}
		2881	}
		2882
		2883	=item $client->ext_reply ($msgid, @msg)
		2884
		2885	Sends an ext reply to the client.
		2886
		2887	=cut
		2888
		2889	sub cf::client::ext_reply($$@) {
		2890	my ($self, $id, @msg) = @_;
		2891
		2892	if ($self->extcmd == 2) {
		2893	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2894	} elsif ($self->extcmd == 1) {
		2895	#TODO: version 1, remove
		2896	unshift @msg, msgtype => "reply", msgid => $id;
		2897	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2898	}
2065	}	2899	}
2066		2900
2067	=item $success = $client->query ($flags, "text", \&cb)	2901	=item $success = $client->query ($flags, "text", \&cb)
2068		2902
2069	Queues a query to the client, calling the given callback with	2903	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>,	2904	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>.	2905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2906
2073	Queries can fail, so check the return code. Or don't, as queries will become	2907	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2908	become reliable at some point in the future.
2075		2909
2076	=cut	2910	=cut
2077		2911
2078	sub cf::client::query {	2912	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2913	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2921	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2923
2090	$self->send_packet ($self->{query_queue}[0][0])	2924	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2925	if @{ $self->{query_queue} } == 1;
		2926
		2927	1
2092	}	2928	}
2093		2929
2094	cf::client->attach (	2930	cf::client->attach (
		2931	on_connect => sub {
		2932	my ($ns) = @_;
		2933
		2934	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2935	},
2095	on_reply => sub {	2936	on_reply => sub {
2096	my ($ns, $msg) = @_;	2937	my ($ns, $msg) = @_;
2097		2938
2098	# this weird shuffling is so that direct followup queries	2939	# this weird shuffling is so that direct followup queries
2099	# get handled first	2940	# get handled first
…		…
2111	} else {	2952	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2953	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2954	}
2114	}	2955	}
2115	},	2956	},
		2957	on_exticmd => sub {
		2958	my ($ns, $buf) = @_;
		2959
		2960	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2961
		2962	if (ref $msg) {
		2963	my ($type, $reply, @payload) =
		2964	"ARRAY" eq ref $msg
		2965	? @$msg
		2966	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2967
		2968	my @reply;
		2969
		2970	if (my $cb = $EXTICMD{$type}) {
		2971	@reply = $cb->($ns, @payload);
		2972	}
		2973
		2974	$ns->ext_reply ($reply, @reply)
		2975	if $reply;
		2976
		2977	} else {
		2978	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2979	}
		2980
		2981	cf::override;
		2982	},
2116	);	2983	);
2117		2984
2118	=item $client->async (\&cb)	2985	=item $client->async (\&cb)
2119		2986
2120	Create a new coroutine, running the specified callback. The coroutine will	2987	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3028	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3029	our $safe_hole = new Safe::Hole;
2163		3030
2164	$SIG{FPE} = 'IGNORE';	3031	$SIG{FPE} = 'IGNORE';
2165		3032
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3033	$safe->permit_only (Opcode::opset qw(
		3034	:base_core :base_mem :base_orig :base_math
		3035	grepstart grepwhile mapstart mapwhile
		3036	sort time
		3037	));
2167		3038
2168	# here we export the classes and methods available to script code	3039	# here we export the classes and methods available to script code
2169		3040
2170	=pod	3041	=pod
2171		3042
2172	The following functions and methods are available within a safe environment:	3043	The following functions and methods are available within a safe environment:
2173		3044
2174	cf::object contr pay_amount pay_player map	3045	cf::object
		3046	contr pay_amount pay_player map x y force_find force_add destroy
		3047	insert remove name archname title slaying race decrease_ob_nr
		3048
2175	cf::object::player player	3049	cf::object::player
2176	cf::player peaceful	3050	player
2177	cf::map trigger	3051
		3052	cf::player
		3053	peaceful
		3054
		3055	cf::map
		3056	trigger
2178		3057
2179	=cut	3058	=cut
2180		3059
2181	for (	3060	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	3061	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3062	insert remove inv name archname title slaying race
		3063	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	3064	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3065	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3066	["cf::map" => qw(trigger)],
2186	) {	3067	) {
2187	no strict 'refs';	3068	no strict 'refs';
…		…
2258	=back	3139	=back
2259		3140
2260	=cut	3141	=cut
2261		3142
2262	#############################################################################	3143	#############################################################################
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	3144	# the server's init and main functions
2336		3145
2337	sub load_facedata {	3146	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	3147	my ($path) = @_;
		3148
		3149	# HACK to clear player env face cache, we need some signal framework
		3150	# for this (global event?)
		3151	%ext::player_env::MUSIC_FACE_CACHE = ();
		3152
		3153	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3154
2340	warn "loading facedata from $path\n";	3155	warn "loading facedata from $path\n";
2341		3156
2342	my $facedata;	3157	my $facedata;
2343	0 < aio_load $path, $facedata	3158	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3161	$facedata = Coro::Storable::thaw $facedata;
2347		3162
2348	$facedata->{version} == 2	3163	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3164	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3165
		3166	# patch in the exptable
		3167	$facedata->{resource}{"res/exp_table"} = {
		3168	type => FT_RSRC,
		3169	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3170	};
		3171	cf::cede_to_tick;
		3172
2351	{	3173	{
2352	my $faces = $facedata->{faceinfo};	3174	my $faces = $facedata->{faceinfo};
2353		3175
2354	while (my ($face, $info) = each %$faces) {	3176	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3177	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3178
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3179	cf::face::set_visibility $idx, $info->{visibility};
		3180	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3181	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3182	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3183
		3184	cf::cede_to_tick;
2360	}	3185	}
2361		3186
2362	while (my ($face, $info) = each %$faces) {	3187	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3188	next unless $info->{smooth};
		3189
2364	my $idx = cf::face::find $face	3190	my $idx = cf::face::find $face
2365	or next;	3191	or next;
		3192
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3193	if (my $smooth = cf::face::find $info->{smooth}) {
		3194	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3195	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3196	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3197	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3198	}
2371	Coro::cede;	3199
		3200	cf::cede_to_tick;
2372	}	3201	}
2373	}	3202	}
2374		3203
2375	{	3204	{
2376	my $anims = $facedata->{animinfo};	3205	my $anims = $facedata->{animinfo};
2377		3206
2378	while (my ($anim, $info) = each %$anims) {	3207	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3208	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3209	cf::cede_to_tick;
2381	}	3210	}
2382		3211
2383	cf::anim::invalidate_all; # d'oh	3212	cf::anim::invalidate_all; # d'oh
2384	}	3213	}
2385		3214
		3215	{
		3216	# TODO: for gcfclient pleasure, we should give resources
		3217	# that gcfclient doesn't grok a >10000 face index.
		3218	my $res = $facedata->{resource};
		3219
		3220	while (my ($name, $info) = each %$res) {
		3221	if (defined $info->{type}) {
		3222	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3223	my $data;
		3224
		3225	if ($info->{type} & 1) {
		3226	# prepend meta info
		3227
		3228	my $meta = $enc->encode ({
		3229	name => $name,
		3230	%{ $info->{meta} || {} },
		3231	});
		3232
		3233	$data = pack "(w/a*)*", $meta, $info->{data};
		3234	} else {
		3235	$data = $info->{data};
		3236	}
		3237
		3238	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3239	cf::face::set_type $idx, $info->{type};
		3240	} else {
		3241	$RESOURCE{$name} = $info;
		3242	}
		3243
		3244	cf::cede_to_tick;
		3245	}
		3246	}
		3247
		3248	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3249
2386	1	3250	1
2387	}	3251	}
2388		3252
		3253	cf::global->attach (on_resource_update => sub {
		3254	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3255	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3256
		3257	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3258	my $sound = $soundconf->{compat}[$_]
		3259	or next;
		3260
		3261	my $face = cf::face::find "sound/$sound->[1]";
		3262	cf::sound::set $sound->[0] => $face;
		3263	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3264	}
		3265
		3266	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3267	my $face = cf::face::find "sound/$v";
		3268	cf::sound::set $k => $face;
		3269	}
		3270	}
		3271	});
		3272
		3273	register_exticmd fx_want => sub {
		3274	my ($ns, $want) = @_;
		3275
		3276	while (my ($k, $v) = each %$want) {
		3277	$ns->fx_want ($k, $v);
		3278	}
		3279	};
		3280
		3281	sub reload_regions {
		3282	# HACK to clear player env face cache, we need some signal framework
		3283	# for this (global event?)
		3284	%ext::player_env::MUSIC_FACE_CACHE = ();
		3285
		3286	load_resource_file "$MAPDIR/regions"
		3287	or die "unable to load regions file\n";
		3288
		3289	for (cf::region::list) {
		3290	$_->{match} = qr/$_->{match}/
		3291	if exists $_->{match};
		3292	}
		3293	}
		3294
		3295	sub reload_facedata {
		3296	load_facedata "$DATADIR/facedata"
		3297	or die "unable to load facedata\n";
		3298	}
		3299
		3300	sub reload_archetypes {
		3301	load_resource_file "$DATADIR/archetypes"
		3302	or die "unable to load archetypes\n";
		3303	#d# NEED to laod twice to resolve forward references
		3304	# this really needs to be done in an extra post-pass
		3305	# (which needs to be synchronous, so solve it differently)
		3306	load_resource_file "$DATADIR/archetypes"
		3307	or die "unable to load archetypes\n";
		3308	}
		3309
		3310	sub reload_treasures {
		3311	load_resource_file "$DATADIR/treasures"
		3312	or die "unable to load treasurelists\n";
		3313	}
		3314
2389	sub reload_resources {	3315	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3316	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3317
		3318	reload_regions;
2392	load_facedata	3319	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3320	#reload_archetypes;#d#
		3321	reload_archetypes;
		3322	reload_treasures;
		3323
		3324	warn "finished reloading resource files\n";
2394	}	3325	}
2395		3326
2396	sub init {	3327	sub init {
2397	reload_resources;	3328	reload_resources;
2398	}	3329	}
2399		3330
2400	sub cfg_load {	3331	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3332	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3333	or return;
2403		3334
2404	local $/;	3335	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3336	*CFG = YAML::Load <$fh>;
2406		3337
2407	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3338	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2408		3339
2409	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3340	$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};	3341	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2421	sub main {	3352	sub main {
2422	# we must not ever block the main coroutine	3353	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3354	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3355	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3356	(async {
2426	Event::one_event;	3357	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3358	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3359	})->prio (Coro::PRIO_MAX);
2428	};	3360	};
2429		3361
2430	cfg_load;	3362	reload_config;
2431	db_init;	3363	db_init;
2432	load_extensions;	3364	load_extensions;
2433		3365
2434	$TICK_WATCHER->start;	3366	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3367	evthread_start IO::AIO::poll_fileno;
2435	Event::loop;	3368	EV::loop;
2436	}	3369	}
2437		3370
2438	#############################################################################	3371	#############################################################################
2439	# initialisation and cleanup	3372	# initialisation and cleanup
2440		3373
2441	# install some emergency cleanup handlers	3374	# install some emergency cleanup handlers
2442	BEGIN {	3375	BEGIN {
		3376	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3377	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3378	$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";	3379	cf::cleanup "SIG$signal";
2451	},
2452	);	3380	};
		3381	}
		3382	}
		3383
		3384	sub write_runtime {
		3385	my $runtime = "$LOCALDIR/runtime";
		3386
		3387	# first touch the runtime file to show we are still running:
		3388	# the fsync below can take a very very long time.
		3389
		3390	IO::AIO::aio_utime $runtime, undef, undef;
		3391
		3392	my $guard = cf::lock_acquire "write_runtime";
		3393
		3394	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3395	or return;
		3396
		3397	my $value = $cf::RUNTIME + 90 + 10;
		3398	# 10 is the runtime save interval, for a monotonic clock
		3399	# 60 allows for the watchdog to kill the server.
		3400
		3401	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3402	and return;
		3403
		3404	# always fsync - this file is important
		3405	aio_fsync $fh
		3406	and return;
		3407
		3408	# touch it again to show we are up-to-date
		3409	aio_utime $fh, undef, undef;
		3410
		3411	close $fh
		3412	or return;
		3413
		3414	aio_rename "$runtime~", $runtime
		3415	and return;
		3416
		3417	warn "runtime file written.\n";
		3418
2453	}	3419	1
2454	}	3420	}
2455		3421
2456	sub emergency_save() {	3422	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3423	my $freeze_guard = cf::freeze_mainloop;
2458		3424
…		…
2464	# and maps saved/destroyed asynchronously.	3430	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3431	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3432	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3433	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3434	$pl->valid or next;
		3435	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3436	$pl->save;
2470	}	3437	}
2471	warn "end emergency player save\n";	3438	warn "end emergency player save\n";
2472		3439
2473	warn "begin emergency map save\n";	3440	warn "begin emergency map save\n";
…		…
2491		3458
2492	warn Carp::longmess "post_cleanup backtrace"	3459	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3460	if $make_core;
2494	}	3461	}
2495		3462
2496	sub reload() {	3463	sub do_reload_perl() {
2497	# can/must only be called in main	3464	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3465	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3466	warn "can only reload from main coroutine";
2500	return;	3467	return;
2501	}	3468	}
…		…
2512	warn "syncing database to disk";	3479	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3480	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3481
2515	# if anything goes wrong in here, we should simply crash as we already saved	3482	# if anything goes wrong in here, we should simply crash as we already saved
2516		3483
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3484	warn "flushing outstanding aio requests";
2523	for (;;) {	3485	for (;;) {
2524	BDB::flush;	3486	BDB::flush;
2525	IO::AIO::flush;	3487	IO::AIO::flush;
2526	Coro::cede;	3488	Coro::cede_notself;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3489	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";	3490	warn "iterate...";
2529	}	3491	}
2530		3492
2531	++$RELOAD;	3493	++$RELOAD;
…		…
2535	%EXT_CORO = ();	3497	%EXT_CORO = ();
2536		3498
2537	warn "removing commands";	3499	warn "removing commands";
2538	%COMMAND = ();	3500	%COMMAND = ();
2539		3501
2540	warn "removing ext commands";	3502	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3503	%EXTCMD = ();
		3504	%EXTICMD = ();
2542		3505
2543	warn "unloading/nuking all extensions";	3506	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3507	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3508	warn "... unloading $pkg";
2546		3509
…		…
2576	Symbol::delete_package "safe::$_"	3539	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3540	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3541
2579	warn "unloading cf.pm \"a bit\"";	3542	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3543	delete $INC{"cf.pm"};
		3544	delete $INC{"cf/pod.pm"};
2581		3545
2582	# don't, removes xs symbols, too,	3546	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3547	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3548	#Symbol::delete_package __PACKAGE__;
2585		3549
…		…
2588	warn "reloading cf.pm";	3552	warn "reloading cf.pm";
2589	require cf;	3553	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3554	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3555
2592	warn "loading config and database again";	3556	warn "loading config and database again";
2593	cf::cfg_load;	3557	cf::reload_config;
2594		3558
2595	warn "loading extensions";	3559	warn "loading extensions";
2596	cf::load_extensions;	3560	cf::load_extensions;
2597		3561
2598	warn "reattaching attachments to objects/players";	3562	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3564	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3565	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3566	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3567	reattach $_ for values %PLAYER;
2604		3568
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3569	warn "leaving sync_job";
2609		3570
2610	1	3571	1
2611	} or do {	3572	} or do {
2612	warn $@;	3573	warn $@;
2613	warn "error while reloading, exiting.";	3574	cf::cleanup "error while reloading, exiting.";
2614	exit 1;
2615	};	3575	};
2616		3576
2617	warn "reloaded";	3577	warn "reloaded";
2618	};	3578	};
2619		3579
2620	our $RELOAD_WATCHER; # used only during reload	3580	our $RELOAD_WATCHER; # used only during reload
2621		3581
		3582	sub reload_perl() {
		3583	# doing reload synchronously and two reloads happen back-to-back,
		3584	# coro crashes during coro_state_free->destroy here.
		3585
		3586	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3587	do_reload_perl;
		3588	undef $RELOAD_WATCHER;
		3589	};
		3590	}
		3591
2622	register_command "reload" => sub {	3592	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3593	my ($who, $arg) = @_;
2624		3594
2625	if ($who->flag (FLAG_WIZ)) {	3595	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3596	$who->message ("reloading server.");
2627		3597	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3598	$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;	3599	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3600	};
2640	}	3601	}
2641	};	3602	};
2642		3603
2643	unshift @INC, $LIBDIR;	3604	unshift @INC, $LIBDIR;
2644		3605
…		…
2646		3607
2647	our @WAIT_FOR_TICK;	3608	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3609	our @WAIT_FOR_TICK_BEGIN;
2649		3610
2650	sub wait_for_tick {	3611	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3612	return if tick_inhibit;
		3613	return if $Coro::current == $Coro::main;
		3614
2652	my $signal = new Coro::Signal;	3615	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3616	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3617	$signal->wait;
2655	}	3618	}
2656		3619
2657	sub wait_for_tick_begin {	3620	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3621	return if tick_inhibit;
		3622	return if $Coro::current == $Coro::main;
		3623
2659	my $signal = new Coro::Signal;	3624	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3625	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3626	$signal->wait;
2662	}	3627	}
2663		3628
2664	$TICK_WATCHER = Event->timer (	3629	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) {	3630	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3631	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3632	unless ++$bug_warning > 10;
2674	return;	3633	return;
2675	}	3634	}
2676		3635
2677	$NOW = Event::time;
2678
2679	cf::server_tick; # one server iteration	3636	cf::server_tick; # one server iteration
2680	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;
2682		3637
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3638	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3639	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	3640	Coro::async_pool {
		3641	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3642	write_runtime
2687	or warn "ERROR: unable to write runtime file: $!";	3643	or warn "ERROR: unable to write runtime file: $!";
2688	};
2689	}	3644	};
		3645	}
2690		3646
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3647	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3648	$sig->send;
2693	}	3649	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3650	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3651	$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	},	3652	}
2707	);	3653
		3654	$LOAD = ($NOW - $TICK_START) / $TICK;
		3655	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3656
		3657	if (0) {
		3658	if ($NEXT_TICK) {
		3659	my $jitter = $TICK_START - $NEXT_TICK;
		3660	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3661	warn "jitter $JITTER\n";#d#
		3662	}
		3663	}
		3664	}
2708		3665
2709	{	3666	{
2710	BDB::max_poll_time $TICK * 0.1;	3667	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	3668
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;	3669	BDB::min_parallel 8;
2720		3670	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	3671	$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		3672
2736	unless ($DB_ENV) {	3673	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	3674	$DB_ENV = BDB::db_env_create;
		3675	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3676	| BDB::LOG_AUTOREMOVE, 1);
		3677	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3678	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		3679
2739	cf::sync_job {	3680	cf::sync_job {
2740	eval {	3681	eval {
2741	BDB::db_env_open	3682	BDB::db_env_open
2742	$DB_ENV,	3683	$DB_ENV,
2743	$BDB_ENV_DIR,	3684	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3685	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3686	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3687	0666;
2747		3688
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3689	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	};	3690	};
2753		3691
2754	cf::cleanup "db_env_open(db): $@" if $@;	3692	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3693	};
2756	}	3694	}
		3695
		3696	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3697	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3698	};
		3699	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3700	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3701	};
		3702	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3703	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3704	};
2757	}	3705	}
2758		3706
2759	{	3707	{
		3708	# configure IO::AIO
		3709
2760	IO::AIO::min_parallel 8;	3710	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	3711	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	3712	$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	}	3713	}
		3714
		3715	my $_log_backtrace;
		3716
		3717	sub _log_backtrace {
		3718	my ($msg, @addr) = @_;
		3719
		3720	$msg =~ s/\n//;
		3721
		3722	# limit the # of concurrent backtraces
		3723	if ($_log_backtrace < 2) {
		3724	++$_log_backtrace;
		3725	async {
		3726	$Coro::current->{desc} = "abt $msg";
		3727
		3728	my @bt = fork_call {
		3729	@addr = map { sprintf "%x", $_ } @addr;
		3730	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3731	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3732	or die "addr2line: $!";
		3733
		3734	my @funcs;
		3735	my @res = <$fh>;
		3736	chomp for @res;
		3737	while (@res) {
		3738	my ($func, $line) = splice @res, 0, 2, ();
		3739	push @funcs, "[$func] $line";
		3740	}
		3741
		3742	@funcs
		3743	};
		3744
		3745	LOG llevInfo, "[ABT] $msg\n";
		3746	LOG llevInfo, "[ABT] $_\n" for @bt;
		3747	--$_log_backtrace;
		3748	};
		3749	} else {
		3750	LOG llevInfo, "[ABT] $msg\n";
		3751	LOG llevInfo, "[ABT] [suppressed]\n";
		3752	}
		3753	}
		3754
		3755	# load additional modules
		3756	use cf::pod;
2773		3757
2774	END { cf::emergency_save }	3758	END { cf::emergency_save }
2775		3759
2776	1	3760	1
2777		3761

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