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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.238 by root, Sat Apr 14 07:23:00 2007 UTC vs.
Revision 1.425 by root, Mon Apr 21 06:35:26 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
81	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
82	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
83		115
84	# 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 ∕
85	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
86		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 $TICK_START; # for load detecting purposes
		123
87	binmode STDOUT;	124	binmode STDOUT;
88	binmode STDERR;	125	binmode STDERR;
89		126
90	# read virtual server time, if available	127	# read virtual server time, if available
91	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
92	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
93	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
94	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
95	}	132	}
96		133
97	mkdir cf::localdir;	134	mkdir $_
98	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
99	mkdir cf::localdir . "/" . cf::tmpdir;
100	mkdir cf::localdir . "/" . cf::uniquedir;
101	mkdir $RANDOM_MAPS;
102	mkdir $BDB_ENV_DIR;
103		136
104	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
105		138
106	sub cf::map::normalise;	139	sub cf::map::normalise;
107		140
…		…
118	=item $cf::RUNTIME	151	=item $cf::RUNTIME
119		152
120	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
121	every server tick.	154	every server tick.
122		155
123	=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
124		159
125	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
126	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.
127		164
128	=item $cf::NOW	165	=item $cf::NOW
129		166
130	The time of the last (current) server tick.	167	The time of the last (current) server tick.
131		168
132	=item $cf::TICK	169	=item $cf::TICK
133		170
134	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
135		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
136	=item %cf::CFG	183	=item %cf::CFG
137		184
138	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
139	from wherever your confdir points to.	186	from wherever your confdir points to.
140		187
141	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
142		189
143	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	190	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
144	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	191	returns directly I<after> the tick processing (and consequently, can only wake one process
145	processing has been done. Call C<< ->wait >> on them to maximise the	192	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
146	window of cpu time available, or simply to synchronise to the server tick.	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.
147		199
148	=back	200	=back
149		201
150	=cut	202	=cut
151		203
152	BEGIN {	204	BEGIN {
153	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
154	my $msg = join "", @_;	206	my $msg = join "", @_;
155	utf8::encode $msg;
156		207
157	$msg .= "\n"	208	$msg .= "\n"
158	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
159		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
160	LOG llevError, $msg;	213	LOG llevError, $msg;
161	};	214	};
162	}	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#?
163		231
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		239
171	# 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
172	# within the Safe compartment.	241	# within the Safe compartment.
173	for my $pkg (qw(	242	for my $pkg (qw(
174	cf::global cf::attachable	243	cf::global cf::attachable
…		…
179	)) {	248	)) {
180	no strict 'refs';	249	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	251	}
183		252
184	$Event::DIED = sub {	253	$EV::DIED = sub {
185	warn "error in event callback: @_";	254	warn "error in event callback: @_";
186	};	255	};
		256
		257	#############################################################################
187		258
188	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
189		260
190	=over 4	261	=over 4
191		262
…		…
210	$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;
211	$d	282	$d
212	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
213	}	284	}
214		285
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
218		287
219	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
220		289
221	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
222		291
223	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]) }
224		300
225	=item cf::lock_wait $string	301	=item cf::lock_wait $string
226		302
227	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
228		304
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
234	returned.	310	returned.
235		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
236	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
237	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
238		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
239	=cut	322	=cut
240		323
241	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
242		326
243	sub lock_wait($) {	327	sub lock_wait($) {
244	my ($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#
245		334
246	# wait for lock, if any	335	# wait for lock, if any
247	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	338	Coro::schedule;
…		…
255		344
256	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
257	lock_wait $key;	346	lock_wait $key;
258		347
259	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
260		350
261	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
264	}	355	}
265	}	356	}
266		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
267	sub freeze_mainloop {	364	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
269		366
270	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
271	$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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
272	};	428	}
273	$TICK_WATCHER->stop;	429	};
274	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
275	}	443	}
276		444
277	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
278		446
279	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
284		452
285	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
286		454
287	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
288		456
289	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
292		461
293	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
296	fast or be very important.	465	fast or be very important.
…		…
299		468
300	sub sync_job(&) {	469	sub sync_job(&) {
301	my ($job) = @_;	470	my ($job) = @_;
302		471
303	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
304	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
306		477
307	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
308	# (but this is cancel-safe)	479
309	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
310		481
311	my $busy = 1;	482	my $busy = 1;
312	my @res;	483	my @res;
313		484
314	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	487	@res = eval { $job->() };
316	warn $@ if $@;	488	warn $@ if $@;
317	undef $busy;	489	undef $busy;
318	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
319		491
320	while ($busy) {	492	while ($busy) {
321	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
322	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
323		503
324	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
325	} else {	505	} else {
326	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
327		507
…		…
347	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
348		528
349	$coro	529	$coro
350	}	530	}
351		531
352	sub write_runtime {	532	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		533
355	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
356		538
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
358	or return;
359		540
360	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		543
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
365	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
366		547
367	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	549	reset_signals;
369	and return;	550	&$cb
		551	}, @args;
370		552
371	close $fh	553	wantarray ? @res : $res[-1]
372	or return;	554	}
373		555
374	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
375	and return;
376		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
377	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
378	}	708	}
379		709
380	=item cf::datalog type => key => value, ...	710	=item cf::datalog type => key => value, ...
381		711
382	Log a datalog packet of the given type with the given key-value pairs.	712	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
402		732
403	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	735	Deliantra).
406		736
407	=over 4	737	=over 4
408		738
409	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
410		740
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
574		904
575	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		909
580	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	911	my $pkg = shift @arg;
582		912
583	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
613	}	943	}
614		944
615	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
616	} else {	946	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	948	}
619		949
620	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
621	}	951	}
622		952
…		…
624	if (ref $_[0]) {	954	if (ref $_[0]) {
625	_object_attach @_;	955	_object_attach @_;
626	} else {	956	} else {
627	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
628	}	958	}
		959	_recalc_want;
629	};	960	};
630		961
631	# all those should be optimised	962	# all those should be optimised
632	sub cf::attachable::detach {	963	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
637	reattach ($obj);	968	reattach ($obj);
638	} else {	969	} else {
639	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
640	}	971	}
		972	_recalc_want;
641	};	973	};
642		974
643	sub cf::attachable::attached {	975	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
645		977
…		…
660	";	992	";
661	die if $@;	993	die if $@;
662	}	994	}
663		995
664	our $override;	996	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		998
667	sub override {	999	sub override {
668	$override = 1;	1000	$override = 1;
669	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
670	}	1002	}
671		1003
672	sub do_invoke {	1004	sub do_invoke {
673	my $event = shift;	1005	my $event = shift;
674	my $callbacks = shift;	1006	my $callbacks = shift;
675		1007
676	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
677		1009
678	local $override;	1010	local $override;
679		1011
680	for (@$callbacks) {	1012	for (@$callbacks) {
681	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
690	}	1022	}
691		1023
692	0	1024	0
693	}	1025	}
694		1026
695	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
696		1028
697	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
698		1030
699	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
700		1032
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		1036
705	=back	1037	=back
706		1038
707	=cut	1039	=cut
708		1040
709	#############################################################################	1041	#############################################################################
710	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
711		1085
712	sub reattach {	1086	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1088	my ($obj) = @_;
715		1089
…		…
736	cf::attachable->attach (	1110	cf::attachable->attach (
737	prio => -1000000,	1111	prio => -1000000,
738	on_instantiate => sub {	1112	on_instantiate => sub {
739	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
740		1114
741	$data = from_json $data;	1115	$data = decode_json $data;
742		1116
743	for (@$data) {	1117	for (@$data) {
744	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
745		1119
746	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1136	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
764		1138
765	sync_job {	1139	sync_job {
766	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
769		1144
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1149	close $fh;
775		1150
776	if (@$objs) {	1151	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1157	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
784	}	1159	}
…		…
792	}	1167	}
793	} else {	1168	} else {
794	aio_unlink $filename;	1169	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
796	}	1171	}
797	}	1172	};
798	}	1173	}
799		1174
800	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
802		1177
…		…
814	or return;	1189	or return;
815		1190
816	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
818	or return;	1193	or return;
		1194
819	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
820	}	1197	}
821		1198
		1199	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
824	return ($data, $av);	1203	($data, $av)
825	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
826		1211
827	#############################################################################	1212	#############################################################################
828	# command handling &c	1213	# command handling &c
829		1214
830	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1229	}
845		1230
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1232
848	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
849		1238
850	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
851	called.	1240	called.
852		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
853	=cut	1253	=cut
854		1254
855	sub register_extcmd {	1255	sub register_extcmd {
856	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
857		1257
858	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
859	}	1265	}
860		1266
861	cf::player->attach (	1267	cf::player->attach (
862	on_command => sub {	1268	on_command => sub {
863	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1278	cf::override;
873	},	1279	},
874	on_extcmd => sub {	1280	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
876		1282
877	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1284
879	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
885	} else {	1300	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1302	}
888		1303
889	cf::override;	1304	cf::override;
890	},	1305	},
891	);	1306	);
892		1307
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
928	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1313	next unless -r $path;
930	eval {	1314
931	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
932	1	1371	}
933	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
934	}	1377	};
935	}	1378	}
936		1379
937	#############################################################################	1380	#############################################################################
938		1381
		1382	=back
		1383
939	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
940		1385
941	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
942		1387
943	=cut	1388	=cut
…		…
948		1393
949	=head3 cf::player	1394	=head3 cf::player
950		1395
951	=over 4	1396	=over 4
952		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
953	=item cf::player::find $login	1412	=item cf::player::find $login
954		1413
955	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
956		1415
957	=cut	1416	=cut
958		1417
959	sub playerdir($) {	1418	sub playerdir($) {
960	cf::localdir	1419	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1421	}
966		1422
967	sub path($) {	1423	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1454	aio_unlink +(playerdir $login) . "/$login.pl";
999		1455
1000	my $pl = load_pl path $login	1456	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
1003	}	1464	}
1004	}	1465	}
1005	}	1466	}
1006		1467
…		…
1015	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1016		1477
1017	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1019		1480
		1481	cf::get_slot 0.01;
		1482
1020	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1021	Coro::cede;	1484	cf::cede_to_tick;
1022	}	1485	}
1023		1486
1024	sub new($) {	1487	sub new($) {
1025	my ($login) = @_;	1488	my ($login) = @_;
1026		1489
…		…
1030	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1031		1494
1032	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1033		1496
1034	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1035	}	1508	}
1036		1509
1037	=item $pl->quit_character	1510	=item $pl->quit_character
1038		1511
1039	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1089		1562
1090	=cut	1563	=cut
1091		1564
1092	sub list_logins {	1565	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1567	or return [];
1095		1568
1096	my @logins;	1569	my @logins;
1097		1570
1098	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1102		1580
1103	utf8::decode $login;	1581	utf8::decode $login;
1104	push @logins, $login;	1582	push @logins, $login;
1105	}	1583	}
1106		1584
…		…
1133	}	1611	}
1134		1612
1135	\@paths	1613	\@paths
1136	}	1614	}
1137		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1138	=item $player->ext_reply ($msgid, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1139		1710
1140	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1141		1712
1142	=cut	1713	=cut
1143		1714
1144	sub ext_reply($$%) {	1715	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1146		1717
1147	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1719	}
1151		1720
1152	=item $player->ext_event ($type, %msg)	1721	=item $player->ext_msg ($type, @msg)
1153		1722
1154	Sends an ext event to the client.	1723	Sends an ext event to the client.
1155		1724
1156	=cut	1725	=cut
1157		1726
1158	sub ext_event($$%) {	1727	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1728	my ($self, $type, @msg) = @_;
1160		1729
1161	$self->ns->ext_event ($type, %msg);	1730	$self->ns->ext_msg ($type, @msg);
1162	}	1731	}
1163		1732
1164	=head3 cf::region	1733	=head3 cf::region
1165		1734
1166	=over 4	1735	=over 4
…		…
1169		1738
1170	package cf::region;	1739	package cf::region;
1171		1740
1172	=item cf::region::find_by_path $path	1741	=item cf::region::find_by_path $path
1173		1742
1174	Tries to decuce the probable region for a map knowing only its path.	1743	Tries to decuce the likely region for a map knowing only its path.
1175		1744
1176	=cut	1745	=cut
1177		1746
1178	sub find_by_path($) {	1747	sub find_by_path($) {
1179	my ($path) = @_;	1748	my ($path) = @_;
1180		1749
1181	my ($match, $specificity);	1750	my ($match, $specificity);
1182		1751
1183	for my $region (list) {	1752	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1753	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1754	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1755	if $region->specificity > $specificity;
1187	}	1756	}
1188	}	1757	}
1189		1758
…		…
1210	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1212		1781
1213	sub generate_random_map {	1782	sub generate_random_map {
1214	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1215	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1216	$self->_create_random_map (	1788	$self->_create_random_map (
1217	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1253	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1254		1826
1255	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1256	local $self->{path};	1828	local $self->{path};
1257	local $self->{load_path};	1829	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1830
1261	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1262	}	1832	}
1263		1833
1264	sub normalise {	1834	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1312	return $self;	1882	return $self;
1313	}	1883	}
1314	}	1884	}
1315		1885
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1887	()
1318	}	1888	}
1319		1889
1320	sub init {	1890	sub init {
1321	my ($self) = @_;	1891	my ($self) = @_;
…		…
1336		1906
1337	# the original (read-only) location	1907	# the original (read-only) location
1338	sub load_path {	1908	sub load_path {
1339	my ($self) = @_;	1909	my ($self) = @_;
1340		1910
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1342	}	1912	}
1343		1913
1344	# the temporary/swap location	1914	# the temporary/swap location
1345	sub save_path {	1915	sub save_path {
1346	my ($self) = @_;	1916	my ($self) = @_;
1347		1917
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1350	}	1920	}
1351		1921
1352	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1353	sub uniq_path {	1923	sub uniq_path {
1354	my ($self) = @_;	1924	my ($self) = @_;
1355		1925
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1358	}	1928	}
1359		1929
1360	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1361	# all maps in C++...	1931	# all maps in C++...
1362	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1364		1934
1365	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1367	}	1937	}
1368		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1369	sub unlink_save {	1947	sub unlink_save {
1370	my ($self) = @_;	1948	my ($self) = @_;
1371		1949
1372	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1954
1377	sub load_header_from($) {	1955	sub load_header_from($) {
1378	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1379		1957
1380	utf8::encode $path;	1958	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1386		1967
1387	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1388		1969
1389	1	1970	1
1390	}	1971	}
…		…
1429	$self->load_header_orig	2010	$self->load_header_orig
1430	or return;	2011	or return;
1431	$self->prepare_orig;	2012	$self->prepare_orig;
1432	}	2013	}
1433		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
1434	$self->default_region (cf::region::find_by_path $self->{path})	2018	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	2019	unless $self->default_region;
1436		2020
1437	1	2021	1
1438	}	2022	}
…		…
1441	sub find {	2025	sub find {
1442	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1443		2027
1444	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1445		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1447		2032
1448	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1450	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1451	or return;	2038	or return;
1452		2039
1453	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1454		2041
1455	$map->load_header	2042	$map->load_header
1456	or return;	2043	or return;
1457		2044
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1461	$map->reset;	2050	$map->reset;
1462	undef $guard;
1463	return find $path;	2051	return find $path;
1464	}	2052	}
1465		2053
1466	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1467	}	2055	}
…		…
1474	my ($self) = @_;	2062	my ($self) = @_;
1475		2063
1476	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1477		2065
1478	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1480		2070
		2071	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2073
1483	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1484		2075
1485	$self->alloc;	2076	$self->alloc;
1486		2077
1487	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1488		2080
1489	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1490	or return;	2084	or return;
1491		2085
1492	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1493	if delete $self->{load_original};	2087	if delete $self->{load_original};
1494		2088
1495	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1496	utf8::encode $uniq;	2090	utf8::encode $uniq;
1497	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1498	$self->clear_unique_items;	2093	$self->clear_unique_items;
1499	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1500	}	2097	}
1501	}	2098	}
1502		2099
1503	Coro::cede;	2100	$f->resolve_delayed_derefs;
1504		2101
		2102	cf::cede_to_tick;
1505	# now do the right thing for maps	2103	# now do the right thing for maps
1506	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1507
1508	unless ($self->{deny_activate}) {
1509	$self->decay_objects;
1510	$self->fix_auto_apply;
1511	$self->update_buttons;
1512	Coro::cede;
1513	$self->set_darkness_map;
1514	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1515	unless $self->difficulty;	2106	unless $self->difficulty;
1516	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1517	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1518	}	2123	}
1519		2124
1520	$self->post_load;	2125	$self->post_load;
1521
1522	$self->in_memory (cf::MAP_IN_MEMORY);
1523	}	2126	}
1524		2127
1525	sub customise_for {	2128	sub customise_for {
1526	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1527		2130
1528	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1529	if $self->per_player;	2132	if $self->per_player;
1530		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1531	$self	2137	$self
1532	}	2138	}
1533		2139
1534	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1535	sub load_diag {	2141	sub load_neighbours {
1536	my ($map) = @_;	2142	my ($map) = @_;
1537		2143
1538	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1539		2145
1540	for (0 .. 3) {	2146	for (0 .. 3) {
1541	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1542	or next;	2148	or next;
1543	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1544	or next;	2150	or next;
1545	$neigh->load;	2151	$neigh->load;
1546		2152
		2153	push @neigh,
1547	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1548	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1549	}	2156	}
1550		2157
1551	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1552	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1553	or next;	2161	or next;
1554	$neigh->load;	2162	$neigh->load;
1555	}	2163	}
1556	}	2164	}
1557		2165
…		…
1562	}	2170	}
1563		2171
1564	sub do_load_sync {	2172	sub do_load_sync {
1565	my ($map) = @_;	2173	my ($map) = @_;
1566		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1567	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1568	}	2179	}
1569		2180
1570	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1571	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1572		2183
1573	sub find_async {	2184	sub find_async {
1574	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1575		2186
1576	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1577		2188
1578	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1579	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1580	}	2191	}
1581		2192
1582	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1583	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1584	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1585	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1586	my $map = find $path	2200	if (my $map = find $k) {
1587	or next;
1588	$map->load;	2201	$map->load if $v;
		2202	}
1589		2203
1590	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1591	}	2205	}
1592	}	2206	}
1593	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1594	};	2208	};
1595	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1598	}	2212	}
1599		2213
1600	sub save {	2214	sub save {
1601	my ($self) = @_;	2215	my ($self) = @_;
1602		2216
1603	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1604		2218
1605	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1606		2220
1607	return unless $self->dirty;	2221	return unless $self->dirty;
1608		2222
…		…
1614	return if $self->{deny_save};	2228	return if $self->{deny_save};
1615		2229
1616	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1617		2231
1618	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1619	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1620	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1621		2238
1622	if ($uniq) {	2239	if ($uniq) {
1623	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1624	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1625	} else {	2242	} else {
…		…
1631	my ($self) = @_;	2248	my ($self) = @_;
1632		2249
1633	# save first because save cedes	2250	# save first because save cedes
1634	$self->save;	2251	$self->save;
1635		2252
1636	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1637		2254
1638	return if $self->players;	2255	return if $self->players;
1639	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1640	return if $self->{deny_save};	2257	return if $self->{deny_save};
1641		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1642	$self->clear;	2263	$self->clear;
1643	$self->in_memory (cf::MAP_SWAPPED);
1644	}	2264	}
1645		2265
1646	sub reset_at {	2266	sub reset_at {
1647	my ($self) = @_;	2267	my ($self) = @_;
1648		2268
1649	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1650	return 1e99 if $self->isa ("ext::map_per_player");#d#
1651	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1652		2271
1653	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1654	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1655		2274
…		…
1666	my ($self) = @_;	2285	my ($self) = @_;
1667		2286
1668	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1669		2288
1670	return if $self->players;	2289	return if $self->players;
1671	return if $self->isa ("ext::map_per_player");#d#
1672		2290
1673	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1674		2292
1675	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1676		2294
1677	# need to save uniques path	2295	# need to save uniques path
1678	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1682	if $uniq;	2300	if $uniq;
1683	}	2301	}
1684		2302
1685	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1686		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1687	$self->clear;	2307	$self->clear;
1688
1689	$_->clear_links_to ($self) for values %cf::MAP;
1690		2308
1691	$self->unlink_save;	2309	$self->unlink_save;
1692	$self->destroy;	2310	$self->destroy;
1693	}	2311	}
1694		2312
1695	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1696		2314
1697	sub nuke {	2315	sub nuke {
1698	my ($self) = @_;	2316	my ($self) = @_;
1699		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1700	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1701		2322
1702	$self->unlink_save;	2323	$self->unlink_save;
1703		2324
1704	bless $self, "cf::map";	2325	bless $self, "cf::map";
1705	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1706	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1707	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1708	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1709		2330
1710	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1711		2333
1712	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1713	}	2371	}
1714		2372
1715	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1716		2374
1717	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1718	instantiated unique items. May block.	2376	instantiated unique items. May block.
1719		2377
1720	=cut	2378	=cut
1721		2379
1722	sub unique_maps() {	2380	sub unique_maps() {
1723	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1724	or return;	2382	map {
1725
1726	my @paths;
1727
1728	for (@$files) {
1729	utf8::decode $_;	2383	utf8::decode $_;
1730	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1731	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1732		2386	? ()
1733	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1734	}	2389	]
1735
1736	\@paths
1737	}	2390	}
1738
1739	package cf;
1740		2391
1741	=back	2392	=back
1742		2393
1743	=head3 cf::object	2394	=head3 cf::object
1744		2395
…		…
1748		2399
1749	=over 4	2400	=over 4
1750		2401
1751	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1752		2403
1753	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1754		2406
1755	=cut	2407	=cut
1756		2408
1757	sub inv_recursive_;	2409	sub inv_recursive_;
1758	sub inv_recursive_ {	2410	sub inv_recursive_ {
1759	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1760	}	2412	}
1761		2413
1762	sub inv_recursive {	2414	sub inv_recursive {
1763	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1764	}	2444	}
1765		2445
1766	package cf;	2446	package cf;
1767		2447
1768	=back	2448	=back
…		…
1787		2467
1788	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1789		2469
1790	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1791	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1792	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1793	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1794	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1795	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1796	}	2495	}
1797		2496
1798	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1799		2498
1800	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1847	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1848		2547
1849	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1850		2549
1851	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1852	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1853		2552
1854	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1855	}	2554	}
1856		2555
1857	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1858	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1859		2560
1860	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1861		2562
1862	unless ($map) {	2563	unless ($map) {
1863	# restore original map position	2564	# restore original map position
…		…
1877	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1878	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1879	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1880		2581
1881	$map->load;	2582	$map->load;
1882	$map->load_diag;	2583	$map->load_neighbours;
1883		2584
1884	return unless $self->contr->active;	2585	return unless $self->contr->active;
1885	$self->activate_recursive;	2586	$self->activate_recursive;
1886		2587
1887	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1888	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1889	}	2590	}
1890		2591
1891	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1892	on_logout => sub {
1893	my ($pl) = @_;
1894		2593
1895	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1896	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1897	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1898	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1899	};	2598	be called at the end of this process.
1900	}
1901	},
1902	on_login => sub {
1903	my ($pl) = @_;
1904		2599
1905	# try to abort aborted map switching on player login :)
1906	# should happen only on crashes
1907	if ($pl->ob->{_link_pos}) {
1908	$pl->ob->enter_link;
1909	(async {
1910	$pl->ob->reply (undef,
1911	"There was an internal problem at your last logout, "
1912	. "the server will try to bring you to your intended destination in a second.",
1913	cf::NDI_RED);
1914	# we need this sleep as the login has a concurrent enter_exit running
1915	# and this sleep increases chances of the player not ending up in scorn
1916	Coro::Timer::sleep 1;
1917	$pl->ob->leave_link;
1918	})->prio (2);
1919	}
1920	},
1921	);
1922
1923	=item $player_object->goto ($path, $x, $y)
1924
1925	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1926		2603
1927	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1928	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1929		2609
1930	$self->enter_link;	2610	$self->enter_link;
1931		2611
1932	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1933	my $map = eval {	2634	my $map = eval {
1934	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1935	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1936	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1937	} or	2650	}
1938	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1939		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1940	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1941	})->prio (1);	2658	})->prio (1);
1942	}	2659	}
1943		2660
1944	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1945		2662
…		…
1982	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1983	}	2700	}
1984		2701
1985	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1986		2703
1987	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1988	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1989	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1990		2707
1991	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1992	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1993	undef $fh;	2710	undef $fh;
1994	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
2014	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
2015	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
2016		2733
2017	$self->enter_link;	2734	$self->enter_link;
2018		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
2019	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
2020	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
2021	unless (eval {	2744	unless (eval {
2022	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
2023		2746
2024	1;	2747	1;
…		…
2050		2773
2051	utf8::encode $text;	2774	utf8::encode $text;
2052	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2053	}	2776	}
2054		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	);
		2838
		2839	sub cf::client::send_msg {
		2840	my ($self, $channel, $msg, $color, @extra) = @_;
		2841
		2842	$msg = $self->pl->expand_cfpod ($msg);
		2843
		2844	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2845
		2846	# check predefined channels, for the benefit of C
		2847	if ($CHANNEL{$channel}) {
		2848	$channel = $CHANNEL{$channel};
		2849
		2850	$self->ext_msg (channel_info => $channel)
		2851	if $self->can_msg;
		2852
		2853	$channel = $channel->{id};
		2854
		2855	} elsif (ref $channel) {
		2856	# send meta info to client, if not yet sent
		2857	unless (exists $self->{channel}{$channel->{id}}) {
		2858	$self->{channel}{$channel->{id}} = $channel;
		2859	$self->ext_msg (channel_info => $channel)
		2860	if $self->can_msg;
		2861	}
		2862
		2863	$channel = $channel->{id};
		2864	}
		2865
		2866	return unless @extra || length $msg;
		2867
		2868	if ($self->can_msg) {
		2869	# default colour, mask it out
		2870	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2871	if $color & cf::NDI_DEF;
		2872
		2873	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2874	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2875	} else {
		2876	if ($color >= 0) {
		2877	# replace some tags by gcfclient-compatible ones
		2878	for ($msg) {
		2879	1 while
		2880	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2881	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2882	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2883	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2884	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2885	}
		2886
		2887	$color &= cf::NDI_COLOR_MASK;
		2888
		2889	utf8::encode $msg;
		2890
		2891	if (0 && $msg =~ /\[/) {
		2892	# COMMAND/INFO
		2893	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2894	} else {
		2895	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2896	$self->send_packet ("drawinfo $color $msg")
		2897	}
		2898	}
		2899	}
		2900	}
		2901
2055	=item $client->ext_event ($type, %msg)	2902	=item $client->ext_msg ($type, @msg)
2056		2903
2057	Sends an exti event to the client.	2904	Sends an ext event to the client.
2058		2905
2059	=cut	2906	=cut
2060		2907
2061	sub cf::client::ext_event($$%) {	2908	sub cf::client::ext_msg($$@) {
2062	my ($self, $type, %msg) = @_;	2909	my ($self, $type, @msg) = @_;
2063		2910
		2911	if ($self->extcmd == 2) {
		2912	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2913	} elsif ($self->extcmd == 1) { # TODO: remove
2064	$msg{msgtype} = "event_$type";	2914	push @msg, msgtype => "event_$type";
2065	$self->send_packet ("ext " . cf::to_json \%msg);	2915	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2916	}
		2917	}
		2918
		2919	=item $client->ext_reply ($msgid, @msg)
		2920
		2921	Sends an ext reply to the client.
		2922
		2923	=cut
		2924
		2925	sub cf::client::ext_reply($$@) {
		2926	my ($self, $id, @msg) = @_;
		2927
		2928	if ($self->extcmd == 2) {
		2929	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2930	} elsif ($self->extcmd == 1) {
		2931	#TODO: version 1, remove
		2932	unshift @msg, msgtype => "reply", msgid => $id;
		2933	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2934	}
2066	}	2935	}
2067		2936
2068	=item $success = $client->query ($flags, "text", \&cb)	2937	=item $success = $client->query ($flags, "text", \&cb)
2069		2938
2070	Queues a query to the client, calling the given callback with	2939	Queues a query to the client, calling the given callback with
2071	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2940	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2072	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2941	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2073		2942
2074	Queries can fail, so check the return code. Or don't, as queries will become	2943	Queries can fail, so check the return code. Or don't, as queries will
2075	reliable at some point in the future.	2944	become reliable at some point in the future.
2076		2945
2077	=cut	2946	=cut
2078		2947
2079	sub cf::client::query {	2948	sub cf::client::query {
2080	my ($self, $flags, $text, $cb) = @_;	2949	my ($self, $flags, $text, $cb) = @_;
…		…
2088	utf8::encode $text;	2957	utf8::encode $text;
2089	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2958	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2090		2959
2091	$self->send_packet ($self->{query_queue}[0][0])	2960	$self->send_packet ($self->{query_queue}[0][0])
2092	if @{ $self->{query_queue} } == 1;	2961	if @{ $self->{query_queue} } == 1;
		2962
		2963	1
2093	}	2964	}
2094		2965
2095	cf::client->attach (	2966	cf::client->attach (
		2967	on_connect => sub {
		2968	my ($ns) = @_;
		2969
		2970	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2971	},
2096	on_reply => sub {	2972	on_reply => sub {
2097	my ($ns, $msg) = @_;	2973	my ($ns, $msg) = @_;
2098		2974
2099	# this weird shuffling is so that direct followup queries	2975	# this weird shuffling is so that direct followup queries
2100	# get handled first	2976	# get handled first
…		…
2112	} else {	2988	} else {
2113	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2989	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2114	}	2990	}
2115	}	2991	}
2116	},	2992	},
		2993	on_exticmd => sub {
		2994	my ($ns, $buf) = @_;
		2995
		2996	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2997
		2998	if (ref $msg) {
		2999	my ($type, $reply, @payload) =
		3000	"ARRAY" eq ref $msg
		3001	? @$msg
		3002	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3003
		3004	my @reply;
		3005
		3006	if (my $cb = $EXTICMD{$type}) {
		3007	@reply = $cb->($ns, @payload);
		3008	}
		3009
		3010	$ns->ext_reply ($reply, @reply)
		3011	if $reply;
		3012
		3013	} else {
		3014	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3015	}
		3016
		3017	cf::override;
		3018	},
2117	);	3019	);
2118		3020
2119	=item $client->async (\&cb)	3021	=item $client->async (\&cb)
2120		3022
2121	Create a new coroutine, running the specified callback. The coroutine will	3023	Create a new coroutine, running the specified callback. The coroutine will
…		…
2162	our $safe = new Safe "safe";	3064	our $safe = new Safe "safe";
2163	our $safe_hole = new Safe::Hole;	3065	our $safe_hole = new Safe::Hole;
2164		3066
2165	$SIG{FPE} = 'IGNORE';	3067	$SIG{FPE} = 'IGNORE';
2166		3068
2167	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3069	$safe->permit_only (Opcode::opset qw(
		3070	:base_core :base_mem :base_orig :base_math
		3071	grepstart grepwhile mapstart mapwhile
		3072	sort time
		3073	));
2168		3074
2169	# here we export the classes and methods available to script code	3075	# here we export the classes and methods available to script code
2170		3076
2171	=pod	3077	=pod
2172		3078
2173	The following functions and methods are available within a safe environment:	3079	The following functions and methods are available within a safe environment:
2174		3080
2175	cf::object contr pay_amount pay_player map	3081	cf::object
		3082	contr pay_amount pay_player map x y force_find force_add destroy
		3083	insert remove name archname title slaying race decrease split
		3084
2176	cf::object::player player	3085	cf::object::player
2177	cf::player peaceful	3086	player
2178	cf::map trigger	3087
		3088	cf::player
		3089	peaceful
		3090
		3091	cf::map
		3092	trigger
2179		3093
2180	=cut	3094	=cut
2181		3095
2182	for (	3096	for (
2183	["cf::object" => qw(contr pay_amount pay_player map)],	3097	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3098	insert remove inv name archname title slaying race
		3099	decrease split destroy)],
2184	["cf::object::player" => qw(player)],	3100	["cf::object::player" => qw(player)],
2185	["cf::player" => qw(peaceful)],	3101	["cf::player" => qw(peaceful)],
2186	["cf::map" => qw(trigger)],	3102	["cf::map" => qw(trigger)],
2187	) {	3103	) {
2188	no strict 'refs';	3104	no strict 'refs';
…		…
2259	=back	3175	=back
2260		3176
2261	=cut	3177	=cut
2262		3178
2263	#############################################################################	3179	#############################################################################
2264
2265	=head2 EXTENSION DATABASE SUPPORT
2266
2267	Crossfire maintains a very simple database for extension use. It can
2268	currently store anything that can be serialised using Storable, which
2269	excludes objects.
2270
2271	The parameter C<$family> should best start with the name of the extension
2272	using it, it should be unique.
2273
2274	=over 4
2275
2276	=item $value = cf::db_get $family => $key
2277
2278	Returns a single value from the database.
2279
2280	=item cf::db_put $family => $key => $value
2281
2282	Stores the given C<$value> in the family.
2283
2284	=cut
2285
2286	our $DB;
2287
2288	sub db_init {
2289	unless ($DB) {
2290	$DB = BDB::db_create $DB_ENV;
2291
2292	cf::sync_job {
2293	eval {
2294	$DB->set_flags (BDB::CHKSUM);
2295
2296	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2297	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2298	cf::cleanup "db_open(db): $!" if $!;
2299	};
2300	cf::cleanup "db_open(db): $@" if $@;
2301	};
2302
2303	my $path = cf::localdir . "/database.pst";
2304	if (stat $path) {
2305	cf::sync_job {
2306	my $pst = Storable::retrieve $path;
2307
2308	cf::db_put (board => data => $pst->{board});
2309	cf::db_put (guildrules => data => $pst->{guildrules});
2310	cf::db_put (rent => balance => $pst->{rent}{balance});
2311	BDB::db_env_txn_checkpoint $DB_ENV;
2312
2313	unlink $path;
2314	};
2315	}
2316	}
2317	}
2318
2319	sub db_get($$) {
2320	my $key = "$_[0]/$_[1]";
2321
2322	cf::sync_job {
2323	BDB::db_get $DB, undef, $key, my $data;
2324
2325	$! ? ()
2326	: Compress::LZF::sthaw $data
2327	}
2328	}
2329
2330	sub db_put($$$) {
2331	BDB::dbreq_pri 4;
2332	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2333	}
2334
2335	#############################################################################
2336	# the server's init and main functions	3180	# the server's init and main functions
2337		3181
2338	sub load_facedata {	3182	sub load_facedata($) {
2339	my $path = sprintf "%s/facedata", cf::datadir;	3183	my ($path) = @_;
		3184
		3185	# HACK to clear player env face cache, we need some signal framework
		3186	# for this (global event?)
		3187	%ext::player_env::MUSIC_FACE_CACHE = ();
		3188
		3189	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2340		3190
2341	warn "loading facedata from $path\n";	3191	warn "loading facedata from $path\n";
2342		3192
2343	my $facedata;	3193	my $facedata;
2344	0 < aio_load $path, $facedata	3194	0 < aio_load $path, $facedata
…		…
2347	$facedata = Coro::Storable::thaw $facedata;	3197	$facedata = Coro::Storable::thaw $facedata;
2348		3198
2349	$facedata->{version} == 2	3199	$facedata->{version} == 2
2350	or cf::cleanup "$path: version mismatch, cannot proceed.";	3200	or cf::cleanup "$path: version mismatch, cannot proceed.";
2351		3201
		3202	# patch in the exptable
		3203	$facedata->{resource}{"res/exp_table"} = {
		3204	type => FT_RSRC,
		3205	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3206	};
		3207	cf::cede_to_tick;
		3208
2352	{	3209	{
2353	my $faces = $facedata->{faceinfo};	3210	my $faces = $facedata->{faceinfo};
2354		3211
2355	while (my ($face, $info) = each %$faces) {	3212	while (my ($face, $info) = each %$faces) {
2356	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3213	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3214
2357	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3215	cf::face::set_visibility $idx, $info->{visibility};
		3216	cf::face::set_magicmap $idx, $info->{magicmap};
2358	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3217	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2359	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3218	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2360	Coro::cede;	3219
		3220	cf::cede_to_tick;
2361	}	3221	}
2362		3222
2363	while (my ($face, $info) = each %$faces) {	3223	while (my ($face, $info) = each %$faces) {
2364	next unless $info->{smooth};	3224	next unless $info->{smooth};
		3225
2365	my $idx = cf::face::find $face	3226	my $idx = cf::face::find $face
2366	or next;	3227	or next;
		3228
2367	if (my $smooth = cf::face::find $info->{smooth}) {	3229	if (my $smooth = cf::face::find $info->{smooth}) {
		3230	cf::face::set_smooth $idx, $smooth;
2368	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3231	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2369	} else {	3232	} else {
2370	warn "smooth face '$info->{smooth}' not found for face '$face'";	3233	warn "smooth face '$info->{smooth}' not found for face '$face'";
2371	}	3234	}
2372	Coro::cede;	3235
		3236	cf::cede_to_tick;
2373	}	3237	}
2374	}	3238	}
2375		3239
2376	{	3240	{
2377	my $anims = $facedata->{animinfo};	3241	my $anims = $facedata->{animinfo};
2378		3242
2379	while (my ($anim, $info) = each %$anims) {	3243	while (my ($anim, $info) = each %$anims) {
2380	cf::anim::set $anim, $info->{frames}, $info->{facings};	3244	cf::anim::set $anim, $info->{frames}, $info->{facings};
2381	Coro::cede;	3245	cf::cede_to_tick;
2382	}	3246	}
2383		3247
2384	cf::anim::invalidate_all; # d'oh	3248	cf::anim::invalidate_all; # d'oh
2385	}	3249	}
2386		3250
		3251	{
		3252	# TODO: for gcfclient pleasure, we should give resources
		3253	# that gcfclient doesn't grok a >10000 face index.
		3254	my $res = $facedata->{resource};
		3255
		3256	while (my ($name, $info) = each %$res) {
		3257	if (defined $info->{type}) {
		3258	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3259	my $data;
		3260
		3261	if ($info->{type} & 1) {
		3262	# prepend meta info
		3263
		3264	my $meta = $enc->encode ({
		3265	name => $name,
		3266	%{ $info->{meta} || {} },
		3267	});
		3268
		3269	$data = pack "(w/a*)*", $meta, $info->{data};
		3270	} else {
		3271	$data = $info->{data};
		3272	}
		3273
		3274	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3275	cf::face::set_type $idx, $info->{type};
		3276	} else {
		3277	$RESOURCE{$name} = $info;
		3278	}
		3279
		3280	cf::cede_to_tick;
		3281	}
		3282	}
		3283
		3284	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3285
2387	1	3286	1
2388	}	3287	}
2389		3288
		3289	cf::global->attach (on_resource_update => sub {
		3290	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3291	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3292
		3293	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3294	my $sound = $soundconf->{compat}[$_]
		3295	or next;
		3296
		3297	my $face = cf::face::find "sound/$sound->[1]";
		3298	cf::sound::set $sound->[0] => $face;
		3299	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3300	}
		3301
		3302	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3303	my $face = cf::face::find "sound/$v";
		3304	cf::sound::set $k => $face;
		3305	}
		3306	}
		3307	});
		3308
		3309	register_exticmd fx_want => sub {
		3310	my ($ns, $want) = @_;
		3311
		3312	while (my ($k, $v) = each %$want) {
		3313	$ns->fx_want ($k, $v);
		3314	}
		3315	};
		3316
		3317	sub load_resource_file($) {
		3318	my $guard = lock_acquire "load_resource_file";
		3319
		3320	my $status = load_resource_file_ $_[0];
		3321	get_slot 0.1, 100;
		3322	cf::arch::commit_load;
		3323
		3324	$status
		3325	}
		3326
		3327	sub reload_regions {
		3328	# HACK to clear player env face cache, we need some signal framework
		3329	# for this (global event?)
		3330	%ext::player_env::MUSIC_FACE_CACHE = ();
		3331
		3332	load_resource_file "$MAPDIR/regions"
		3333	or die "unable to load regions file\n";
		3334
		3335	for (cf::region::list) {
		3336	$_->{match} = qr/$_->{match}/
		3337	if exists $_->{match};
		3338	}
		3339	}
		3340
		3341	sub reload_facedata {
		3342	load_facedata "$DATADIR/facedata"
		3343	or die "unable to load facedata\n";
		3344	}
		3345
		3346	sub reload_archetypes {
		3347	load_resource_file "$DATADIR/archetypes"
		3348	or die "unable to load archetypes\n";
		3349	}
		3350
		3351	sub reload_treasures {
		3352	load_resource_file "$DATADIR/treasures"
		3353	or die "unable to load treasurelists\n";
		3354	}
		3355
2390	sub reload_resources {	3356	sub reload_resources {
2391	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3357	warn "reloading resource files...\n";
2392	or die "unable to load regions file\n";#d#	3358
2393	load_facedata	3359	reload_facedata;
2394	or die "unable to load facedata\n";#d#	3360	reload_archetypes;
		3361	reload_regions;
		3362	reload_treasures;
		3363
		3364	warn "finished reloading resource files\n";
2395	}	3365	}
2396		3366
2397	sub init {	3367	sub init {
		3368	my $guard = freeze_mainloop;
		3369
2398	reload_resources;	3370	reload_resources;
2399	}	3371	}
2400		3372
2401	sub cfg_load {	3373	sub reload_config {
2402	open my $fh, "<:utf8", cf::confdir . "/config"	3374	open my $fh, "<:utf8", "$CONFDIR/config"
2403	or return;	3375	or return;
2404		3376
2405	local $/;	3377	local $/;
2406	*CFG = YAML::Syck::Load <$fh>;	3378	*CFG = YAML::Load <$fh>;
2407		3379
2408	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3380	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2409		3381
2410	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3382	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2411	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3383	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2422	sub main {	3394	sub main {
2423	# we must not ever block the main coroutine	3395	# we must not ever block the main coroutine
2424	local $Coro::idle = sub {	3396	local $Coro::idle = sub {
2425	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3397	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2426	(async {	3398	(async {
2427	Event::one_event;	3399	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3400	EV::loop EV::LOOP_ONESHOT;
2428	})->prio (Coro::PRIO_MAX);	3401	})->prio (Coro::PRIO_MAX);
2429	};	3402	};
2430		3403
2431	cfg_load;	3404	{
		3405	my $guard = freeze_mainloop;
		3406	reload_config;
2432	db_init;	3407	db_init;
2433	load_extensions;	3408	load_extensions;
2434		3409
2435	$TICK_WATCHER->start;	3410	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3411	evthread_start IO::AIO::poll_fileno;
		3412	}
		3413
2436	Event::loop;	3414	EV::loop;
2437	}	3415	}
2438		3416
2439	#############################################################################	3417	#############################################################################
2440	# initialisation and cleanup	3418	# initialisation and cleanup
2441		3419
2442	# install some emergency cleanup handlers	3420	# install some emergency cleanup handlers
2443	BEGIN {	3421	BEGIN {
		3422	our %SIGWATCHER = ();
2444	for my $signal (qw(INT HUP TERM)) {	3423	for my $signal (qw(INT HUP TERM)) {
2445	Event->signal (	3424	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2446	reentrant => 0,
2447	data => WF_AUTOCANCEL,
2448	signal => $signal,
2449	prio => 0,
2450	cb => sub {
2451	cf::cleanup "SIG$signal";	3425	cf::cleanup "SIG$signal";
2452	},
2453	);	3426	};
		3427	}
		3428	}
		3429
		3430	sub write_runtime_sync {
		3431	my $runtime = "$LOCALDIR/runtime";
		3432
		3433	# first touch the runtime file to show we are still running:
		3434	# the fsync below can take a very very long time.
		3435
		3436	IO::AIO::aio_utime $runtime, undef, undef;
		3437
		3438	my $guard = cf::lock_acquire "write_runtime";
		3439
		3440	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3441	or return;
		3442
		3443	my $value = $cf::RUNTIME + 90 + 10;
		3444	# 10 is the runtime save interval, for a monotonic clock
		3445	# 60 allows for the watchdog to kill the server.
		3446
		3447	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3448	and return;
		3449
		3450	# always fsync - this file is important
		3451	aio_fsync $fh
		3452	and return;
		3453
		3454	# touch it again to show we are up-to-date
		3455	aio_utime $fh, undef, undef;
		3456
		3457	close $fh
		3458	or return;
		3459
		3460	aio_rename "$runtime~", $runtime
		3461	and return;
		3462
		3463	warn "runtime file written.\n";
		3464
2454	}	3465	1
		3466	}
		3467
		3468	our $uuid_lock;
		3469	our $uuid_skip;
		3470
		3471	sub write_uuid_sync($) {
		3472	$uuid_skip ||= $_[0];
		3473
		3474	return if $uuid_lock;
		3475	local $uuid_lock = 1;
		3476
		3477	my $uuid = "$LOCALDIR/uuid";
		3478
		3479	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3480	or return;
		3481
		3482	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3483	$uuid_skip = 0;
		3484
		3485	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3486	and return;
		3487
		3488	# always fsync - this file is important
		3489	aio_fsync $fh
		3490	and return;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$uuid~", $uuid
		3496	and return;
		3497
		3498	warn "uuid file written ($value).\n";
		3499
		3500	1
		3501
		3502	}
		3503
		3504	sub write_uuid($$) {
		3505	my ($skip, $sync) = @_;
		3506
		3507	$sync ? write_uuid_sync $skip
		3508	: async { write_uuid_sync $skip };
2455	}	3509	}
2456		3510
2457	sub emergency_save() {	3511	sub emergency_save() {
2458	my $freeze_guard = cf::freeze_mainloop;	3512	my $freeze_guard = cf::freeze_mainloop;
2459		3513
…		…
2465	# and maps saved/destroyed asynchronously.	3519	# and maps saved/destroyed asynchronously.
2466	warn "begin emergency player save\n";	3520	warn "begin emergency player save\n";
2467	for my $login (keys %cf::PLAYER) {	3521	for my $login (keys %cf::PLAYER) {
2468	my $pl = $cf::PLAYER{$login} or next;	3522	my $pl = $cf::PLAYER{$login} or next;
2469	$pl->valid or next;	3523	$pl->valid or next;
		3524	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2470	$pl->save;	3525	$pl->save;
2471	}	3526	}
2472	warn "end emergency player save\n";	3527	warn "end emergency player save\n";
2473		3528
2474	warn "begin emergency map save\n";	3529	warn "begin emergency map save\n";
…		…
2480	warn "end emergency map save\n";	3535	warn "end emergency map save\n";
2481		3536
2482	warn "begin emergency database checkpoint\n";	3537	warn "begin emergency database checkpoint\n";
2483	BDB::db_env_txn_checkpoint $DB_ENV;	3538	BDB::db_env_txn_checkpoint $DB_ENV;
2484	warn "end emergency database checkpoint\n";	3539	warn "end emergency database checkpoint\n";
		3540
		3541	warn "begin write uuid\n";
		3542	write_uuid_sync 1;
		3543	warn "end write uuid\n";
2485	};	3544	};
2486		3545
2487	warn "leave emergency perl save\n";	3546	warn "leave emergency perl save\n";
2488	}	3547	}
2489		3548
…		…
2492		3551
2493	warn Carp::longmess "post_cleanup backtrace"	3552	warn Carp::longmess "post_cleanup backtrace"
2494	if $make_core;	3553	if $make_core;
2495	}	3554	}
2496		3555
2497	sub reload() {	3556	sub do_reload_perl() {
2498	# can/must only be called in main	3557	# can/must only be called in main
2499	if ($Coro::current != $Coro::main) {	3558	if ($Coro::current != $Coro::main) {
2500	warn "can only reload from main coroutine";	3559	warn "can only reload from main coroutine";
2501	return;	3560	return;
2502	}	3561	}
…		…
2504	warn "reloading...";	3563	warn "reloading...";
2505		3564
2506	warn "entering sync_job";	3565	warn "entering sync_job";
2507		3566
2508	cf::sync_job {	3567	cf::sync_job {
2509	cf::write_runtime; # external watchdog should not bark	3568	cf::write_runtime_sync; # external watchdog should not bark
2510	cf::emergency_save;	3569	cf::emergency_save;
2511	cf::write_runtime; # external watchdog should not bark	3570	cf::write_runtime_sync; # external watchdog should not bark
2512		3571
2513	warn "syncing database to disk";	3572	warn "syncing database to disk";
2514	BDB::db_env_txn_checkpoint $DB_ENV;	3573	BDB::db_env_txn_checkpoint $DB_ENV;
2515		3574
2516	# if anything goes wrong in here, we should simply crash as we already saved	3575	# if anything goes wrong in here, we should simply crash as we already saved
2517
2518	warn "cancelling all WF_AUTOCANCEL watchers";
2519	for (Event::all_watchers) {
2520	$_->cancel if $_->data & WF_AUTOCANCEL;
2521	}
2522		3576
2523	warn "flushing outstanding aio requests";	3577	warn "flushing outstanding aio requests";
2524	for (;;) {	3578	for (;;) {
2525	BDB::flush;	3579	BDB::flush;
2526	IO::AIO::flush;	3580	IO::AIO::flush;
2527	Coro::cede;	3581	Coro::cede_notself;
2528	last unless IO::AIO::nreqs || BDB::nreqs;	3582	last unless IO::AIO::nreqs || BDB::nreqs;
2529	warn "iterate...";	3583	warn "iterate...";
2530	}	3584	}
2531		3585
2532	++$RELOAD;	3586	++$RELOAD;
…		…
2536	%EXT_CORO = ();	3590	%EXT_CORO = ();
2537		3591
2538	warn "removing commands";	3592	warn "removing commands";
2539	%COMMAND = ();	3593	%COMMAND = ();
2540		3594
2541	warn "removing ext commands";	3595	warn "removing ext/exti commands";
2542	%EXTCMD = ();	3596	%EXTCMD = ();
		3597	%EXTICMD = ();
2543		3598
2544	warn "unloading/nuking all extensions";	3599	warn "unloading/nuking all extensions";
2545	for my $pkg (@EXTS) {	3600	for my $pkg (@EXTS) {
2546	warn "... unloading $pkg";	3601	warn "... unloading $pkg";
2547		3602
…		…
2577	Symbol::delete_package "safe::$_"	3632	Symbol::delete_package "safe::$_"
2578	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3633	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2579		3634
2580	warn "unloading cf.pm \"a bit\"";	3635	warn "unloading cf.pm \"a bit\"";
2581	delete $INC{"cf.pm"};	3636	delete $INC{"cf.pm"};
		3637	delete $INC{"cf/pod.pm"};
2582		3638
2583	# don't, removes xs symbols, too,	3639	# don't, removes xs symbols, too,
2584	# and global variables created in xs	3640	# and global variables created in xs
2585	#Symbol::delete_package __PACKAGE__;	3641	#Symbol::delete_package __PACKAGE__;
2586		3642
…		…
2589	warn "reloading cf.pm";	3645	warn "reloading cf.pm";
2590	require cf;	3646	require cf;
2591	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3647	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2592		3648
2593	warn "loading config and database again";	3649	warn "loading config and database again";
2594	cf::cfg_load;	3650	cf::reload_config;
2595		3651
2596	warn "loading extensions";	3652	warn "loading extensions";
2597	cf::load_extensions;	3653	cf::load_extensions;
2598		3654
2599	warn "reattaching attachments to objects/players";	3655	warn "reattaching attachments to objects/players";
…		…
2601	warn "reattaching attachments to maps";	3657	warn "reattaching attachments to maps";
2602	reattach $_ for values %MAP;	3658	reattach $_ for values %MAP;
2603	warn "reattaching attachments to players";	3659	warn "reattaching attachments to players";
2604	reattach $_ for values %PLAYER;	3660	reattach $_ for values %PLAYER;
2605		3661
2606	warn "loading reloadable resources";
2607	reload_resources;
2608
2609	warn "leaving sync_job";	3662	warn "leaving sync_job";
2610		3663
2611	1	3664	1
2612	} or do {	3665	} or do {
2613	warn $@;	3666	warn $@;
2614	warn "error while reloading, exiting.";	3667	cf::cleanup "error while reloading, exiting.";
2615	exit 1;
2616	};	3668	};
2617		3669
2618	warn "reloaded";	3670	warn "reloaded";
2619	};	3671	};
2620		3672
2621	our $RELOAD_WATCHER; # used only during reload	3673	our $RELOAD_WATCHER; # used only during reload
2622		3674
		3675	sub reload_perl() {
		3676	# doing reload synchronously and two reloads happen back-to-back,
		3677	# coro crashes during coro_state_free->destroy here.
		3678
		3679	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3680	do_reload_perl;
		3681	undef $RELOAD_WATCHER;
		3682	};
		3683	}
		3684
2623	register_command "reload" => sub {	3685	register_command "reload" => sub {
2624	my ($who, $arg) = @_;	3686	my ($who, $arg) = @_;
2625		3687
2626	if ($who->flag (FLAG_WIZ)) {	3688	if ($who->flag (FLAG_WIZ)) {
2627	$who->message ("reloading server.");	3689	$who->message ("reloading server.");
2628		3690	async {
2629	# doing reload synchronously and two reloads happen back-to-back,	3691	$Coro::current->{desc} = "perl_reload";
2630	# coro crashes during coro_state_free->destroy here.
2631
2632	$RELOAD_WATCHER ||= Event->timer (
2633	reentrant => 0,
2634	after => 0,
2635	data => WF_AUTOCANCEL,
2636	cb => sub {
2637	reload;	3692	reload_perl;
2638	undef $RELOAD_WATCHER;
2639	},
2640	);	3693	};
2641	}	3694	}
2642	};	3695	};
2643		3696
2644	unshift @INC, $LIBDIR;	3697	unshift @INC, $LIBDIR;
2645		3698
2646	my $bug_warning = 0;	3699	my $bug_warning = 0;
2647		3700
2648	$TICK_WATCHER = Event->timer (	3701	our @WAIT_FOR_TICK;
2649	reentrant => 0,	3702	our @WAIT_FOR_TICK_BEGIN;
2650	parked => 1,	3703
2651	prio => 0,	3704	sub wait_for_tick {
2652	at => $NEXT_TICK || $TICK,	3705	return if tick_inhibit || $Coro::current == $Coro::main;
2653	data => WF_AUTOCANCEL,	3706
2654	cb => sub {	3707	my $signal = new Coro::Signal;
		3708	push @WAIT_FOR_TICK, $signal;
		3709	$signal->wait;
		3710	}
		3711
		3712	sub wait_for_tick_begin {
		3713	return if tick_inhibit || $Coro::current == $Coro::main;
		3714
		3715	my $signal = new Coro::Signal;
		3716	push @WAIT_FOR_TICK_BEGIN, $signal;
		3717	$signal->wait;
		3718	}
		3719
		3720	sub tick {
2655	if ($Coro::current != $Coro::main) {	3721	if ($Coro::current != $Coro::main) {
2656	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3722	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2657	unless ++$bug_warning > 10;	3723	unless ++$bug_warning > 10;
2658	return;	3724	return;
2659	}	3725	}
2660		3726
2661	$NOW = Event::time;
2662
2663	cf::server_tick; # one server iteration	3727	cf::server_tick; # one server iteration
2664	$RUNTIME += $TICK;
2665	$NEXT_TICK += $TICK;
2666		3728
2667	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3729	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2668	$NEXT_RUNTIME_WRITE = $NOW + 10;	3730	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2669	Coro::async_pool {	3731	Coro::async_pool {
		3732	$Coro::current->{desc} = "runtime saver";
2670	write_runtime	3733	write_runtime_sync
2671	or warn "ERROR: unable to write runtime file: $!";	3734	or warn "ERROR: unable to write runtime file: $!";
2672	};
2673	}	3735	};
2674
2675	$WAIT_FOR_TICK->broadcast;
2676	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2677
2678	# my $AFTER = Event::time;
2679	# warn $AFTER - $NOW;#d#
2680
2681	# if we are delayed by four ticks or more, skip them all
2682	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2683
2684	$TICK_WATCHER->at ($NEXT_TICK);
2685	$TICK_WATCHER->start;
2686	},	3736	}
2687	);	3737
		3738	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3739	$sig->send;
		3740	}
		3741	while (my $sig = shift @WAIT_FOR_TICK) {
		3742	$sig->send;
		3743	}
		3744
		3745	$LOAD = ($NOW - $TICK_START) / $TICK;
		3746	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3747
		3748	if (0) {
		3749	if ($NEXT_TICK) {
		3750	my $jitter = $TICK_START - $NEXT_TICK;
		3751	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3752	warn "jitter $JITTER\n";#d#
		3753	}
		3754	}
		3755	}
2688		3756
2689	{	3757	{
2690	BDB::max_poll_time $TICK * 0.1;	3758	# configure BDB
2691	$BDB_POLL_WATCHER = Event->io (	3759
2692	reentrant => 0,
2693	fd => BDB::poll_fileno,
2694	poll => 'r',
2695	prio => 0,
2696	data => WF_AUTOCANCEL,
2697	cb => \&BDB::poll_cb,
2698	);
2699	BDB::min_parallel 8;	3760	BDB::min_parallel 8;
2700		3761	BDB::max_poll_reqs $TICK * 0.1;
2701	BDB::set_sync_prepare {	3762	$Coro::BDB::WATCHER->priority (1);
2702	my $status;
2703	my $current = $Coro::current;
2704	(
2705	sub {
2706	$status = $!;
2707	$current->ready; undef $current;
2708	},
2709	sub {
2710	Coro::schedule while defined $current;
2711	$! = $status;
2712	},
2713	)
2714	};
2715		3763
2716	unless ($DB_ENV) {	3764	unless ($DB_ENV) {
2717	$DB_ENV = BDB::db_env_create;	3765	$DB_ENV = BDB::db_env_create;
		3766	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3767	| BDB::LOG_AUTOREMOVE, 1);
		3768	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3769	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2718		3770
2719	cf::sync_job {	3771	cf::sync_job {
2720	eval {	3772	eval {
2721	BDB::db_env_open	3773	BDB::db_env_open
2722	$DB_ENV,	3774	$DB_ENV,
2723	$BDB_ENV_DIR,	3775	$BDBDIR,
2724	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3776	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2725	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3777	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2726	0666;	3778	0666;
2727		3779
2728	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3780	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2729
2730	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2731	$DB_ENV->set_lk_detect;
2732	};	3781	};
2733		3782
2734	cf::cleanup "db_env_open(db): $@" if $@;	3783	cf::cleanup "db_env_open(db): $@" if $@;
2735	};	3784	};
2736	}	3785	}
		3786
		3787	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3788	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3789	};
		3790	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3791	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3792	};
		3793	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3794	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3795	};
2737	}	3796	}
2738		3797
2739	{	3798	{
		3799	# configure IO::AIO
		3800
2740	IO::AIO::min_parallel 8;	3801	IO::AIO::min_parallel 8;
2741
2742	undef $Coro::AIO::WATCHER;
2743	IO::AIO::max_poll_time $TICK * 0.1;	3802	IO::AIO::max_poll_time $TICK * 0.1;
2744	$AIO_POLL_WATCHER = Event->io (	3803	$Coro::AIO::WATCHER->priority (1);
2745	reentrant => 0,
2746	data => WF_AUTOCANCEL,
2747	fd => IO::AIO::poll_fileno,
2748	poll => 'r',
2749	prio => 6,
2750	cb => \&IO::AIO::poll_cb,
2751	);
2752	}	3804	}
		3805
		3806	my $_log_backtrace;
		3807
		3808	sub _log_backtrace {
		3809	my ($msg, @addr) = @_;
		3810
		3811	$msg =~ s/\n//;
		3812
		3813	# limit the # of concurrent backtraces
		3814	if ($_log_backtrace < 2) {
		3815	++$_log_backtrace;
		3816	async {
		3817	$Coro::current->{desc} = "abt $msg";
		3818
		3819	my @bt = fork_call {
		3820	@addr = map { sprintf "%x", $_ } @addr;
		3821	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3822	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3823	or die "addr2line: $!";
		3824
		3825	my @funcs;
		3826	my @res = <$fh>;
		3827	chomp for @res;
		3828	while (@res) {
		3829	my ($func, $line) = splice @res, 0, 2, ();
		3830	push @funcs, "[$func] $line";
		3831	}
		3832
		3833	@funcs
		3834	};
		3835
		3836	LOG llevInfo, "[ABT] $msg\n";
		3837	LOG llevInfo, "[ABT] $_\n" for @bt;
		3838	--$_log_backtrace;
		3839	};
		3840	} else {
		3841	LOG llevInfo, "[ABT] $msg\n";
		3842	LOG llevInfo, "[ABT] [suppressed]\n";
		3843	}
		3844	}
		3845
		3846	# load additional modules
		3847	use cf::pod;
2753		3848
2754	END { cf::emergency_save }	3849	END { cf::emergency_save }
2755		3850
2756	1	3851	1
2757		3852

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