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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.418 by root, Fri Apr 11 21:09:53 2008 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify
		7	# it under the terms of the GNU General Public License as published by
		8	# the Free Software Foundation, either version 3 of the License, or
		9	# (at your option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the GNU General Public License
		17	# along with this program. If not, see <http://www.gnu.org/licenses/>.
		18	#
		19	# The authors can be reached via e-mail to <support@deliantra.net>
		20	#
		21
1	package cf;	22	package cf;
2		23
3	use utf8;	24	use utf8;
4	use strict;	25	use strict;
5		26
6	use Symbol;	27	use Symbol;
7	use List::Util;	28	use List::Util;
8	use Storable;	29	use Socket;
		30	use EV 3.2;
9	use Opcode;	31	use Opcode;
10	use Safe;	32	use Safe;
11	use Safe::Hole;	33	use Safe::Hole;
		34	use Storable ();
12		35
13	use Coro 3.5 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	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(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# 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 ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
87		138
88	sub cf::map::normalise;	139	sub cf::map::normalise;
89		140
…		…
100	=item $cf::RUNTIME	151	=item $cf::RUNTIME
101		152
102	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
103	every server tick.	154	every server tick.
104		155
105	=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
106		159
107	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		164
110	=item $cf::NOW	165	=item $cf::NOW
111		166
112	The time of the last (current) server tick.	167	The time of the last (current) server tick.
113		168
114	=item $cf::TICK	169	=item $cf::TICK
115		170
116	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
117		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
118	=item %cf::CFG	183	=item %cf::CFG
119		184
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
121	from wherever your confdir points to.	186	from wherever your confdir points to.
122		187
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		189
125	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
126	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
127	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.
128	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.
129		199
130	=back	200	=back
131		201
132	=cut	202	=cut
133		203
134	BEGIN {	204	BEGIN {
135	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	206	my $msg = join "", @_;
137	utf8::encode $msg;
138		207
139	$msg .= "\n"	208	$msg .= "\n"
140	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
141		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
142	LOG llevError, $msg;	213	LOG llevError, $msg;
143	};	214	};
144	}	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#?
145		231
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		239
153	# 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
154	# within the Safe compartment.	241	# within the Safe compartment.
155	for my $pkg (qw(	242	for my $pkg (qw(
156	cf::global cf::attachable	243	cf::global cf::attachable
…		…
161	)) {	248	)) {
162	no strict 'refs';	249	no strict 'refs';
163	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
164	}	251	}
165		252
166	$Event::DIED = sub {	253	$EV::DIED = sub {
167	warn "error in event callback: @_";	254	warn "error in event callback: @_";
168	};	255	};
		256
		257	#############################################################################
169		258
170	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
171		260
172	=over 4	261	=over 4
173		262
…		…
192	$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;
193	$d	282	$d
194	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
195	}	284	}
196		285
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
200		287
201	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
202		289
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
211		291
212	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
213		293
214	=cut	294	=cut
215		295
216	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
218	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
219	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
220		300
221	=item cf::lock_wait $string	301	=item cf::lock_wait $string
222		302
223	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
224		304
…		…
227	Wait until the given lock is available and then acquires it and returns	307	Wait until the given lock is available and then acquires it and returns
228	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	308	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
229	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
230	returned.	310	returned.
231		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
232	Lock names should begin with a unique identifier (for example, cf::map::find	315	Lock names should begin with a unique identifier (for example, cf::map::find
233	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
234		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
235	=cut	322	=cut
236		323
237	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
238		326
239	sub lock_wait($) {	327	sub lock_wait($) {
240	my ($key) = @_;	328	my ($key) = @_;
		329
		330	if ($LOCKER{$key} == $Coro::current) {#d#
		331	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		332	return;#d#
		333	}#d#
241		334
242	# wait for lock, if any	335	# wait for lock, if any
243	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	338	Coro::schedule;
…		…
251		344
252	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
253	lock_wait $key;	346	lock_wait $key;
254		347
255	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
256		350
257	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
260	}	355	}
261	}	356	}
262		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
263	sub freeze_mainloop {	364	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
265		366
266	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
267	$TICK_WATCHER->start;	368	}
268	$WRITE_RUNTIME_WATCHER->start;	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($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
269	};	428	}
270	$WRITE_RUNTIME_WATCHER->stop;	429	};
271	$TICK_WATCHER->stop;	430
272	$guard	431	sub get_slot($;$$) {
		432	my ($time, $pri, $name) = @_;
		433
		434	$time = $TICK * .6 if $time > $TICK * .6;
		435	my $sig = new Coro::Signal;
		436
		437	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		438	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		439	$SLOT_QUEUE->ready;
		440	$sig->wait;
273	}	441	}
274		442
275	=item cf::async { BLOCK }	443	=item cf::async { BLOCK }
276		444
277	Currently the same as Coro::async_pool, meaning you cannot use	445	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		450
283	BEGIN { *async = \&Coro::async_pool }	451	BEGIN { *async = \&Coro::async_pool }
284		452
285	=item cf::sync_job { BLOCK }	453	=item cf::sync_job { BLOCK }
286		454
287	The design of crossfire+ requires that the main coro ($Coro::main) is	455	The design of Deliantra requires that the main coroutine ($Coro::main)
288	always able to handle events or runnable, as crossfire+ is only partly	456	is always able to handle events or runnable, as Deliantra is only
289	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	457	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		458	acceptable.
290		459
291	If it must be done, put the blocking parts into C<sync_job>. This will run	460	If it must be done, put the blocking parts into C<sync_job>. This will run
292	the given BLOCK in another coroutine while waiting for the result. The	461	the given BLOCK in another coroutine while waiting for the result. The
293	server will be frozen during this time, so the block should either finish	462	server will be frozen during this time, so the block should either finish
294	fast or be very important.	463	fast or be very important.
…		…
297		466
298	sub sync_job(&) {	467	sub sync_job(&) {
299	my ($job) = @_;	468	my ($job) = @_;
300		469
301	if ($Coro::current == $Coro::main) {	470	if ($Coro::current == $Coro::main) {
		471	my $time = EV::time;
		472
302	# this is the main coro, too bad, we have to block	473	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	474	# till the operation succeeds, freezing the server :/
304		475
305	# TODO: use suspend/resume instead	476	LOG llevError, Carp::longmess "sync job";#d#
306	# (but this is cancel-safe)	477
307	my $freeze_guard = freeze_mainloop;	478	my $freeze_guard = freeze_mainloop;
308		479
309	my $busy = 1;	480	my $busy = 1;
310	my @res;	481	my @res;
311		482
312	(async {	483	(async {
		484	$Coro::current->desc ("sync job coro");
313	@res = eval { $job->() };	485	@res = eval { $job->() };
314	warn $@ if $@;	486	warn $@ if $@;
315	undef $busy;	487	undef $busy;
316	})->prio (Coro::PRIO_MAX);	488	})->prio (Coro::PRIO_MAX);
317		489
318	while ($busy) {	490	while ($busy) {
319	Coro::cede or Event::one_event;	491	if (Coro::nready) {
		492	Coro::cede_notself;
		493	} else {
		494	EV::loop EV::LOOP_ONESHOT;
320	}	495	}
		496	}
		497
		498	my $time = EV::time - $time;
		499
		500	$TICK_START += $time; # do not account sync jobs to server load
321		501
322	wantarray ? @res : $res[0]	502	wantarray ? @res : $res[0]
323	} else {	503	} else {
324	# we are in another coroutine, how wonderful, everything just works	504	# we are in another coroutine, how wonderful, everything just works
325		505
…		…
345	$EXT_CORO{$coro+0} = $coro;	525	$EXT_CORO{$coro+0} = $coro;
346		526
347	$coro	527	$coro
348	}	528	}
349		529
350	sub write_runtime {	530	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		531
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	532	Executes the given code block with the given arguments in a seperate
354	or return;	533	process, returning the results. Everything must be serialisable with
		534	Coro::Storable. May, of course, block. Note that the executed sub may
		535	never block itself or use any form of event handling.
355		536
356	my $value = $cf::RUNTIME + 90 + 10;	537	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		538
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	539	sub fork_call(&@) {
361	and return;	540	my ($cb, @args) = @_;
362		541
363	aio_fsync $fh	542	# we seemingly have to make a local copy of the whole thing,
364	and return;	543	# otherwise perl prematurely frees the stuff :/
		544	# TODO: investigate and fix (likely this will be rather laborious)
365		545
366	close $fh	546	my @res = Coro::Util::fork_eval {
367	or return;	547	reset_signals;
		548	&$cb
		549	}, @args;
368		550
369	aio_rename "$runtime~", $runtime	551	wantarray ? @res : $res[-1]
370	and return;	552	}
371		553
		554	=item $coin = coin_from_name $name
		555
		556	=cut
		557
		558	our %coin_alias = (
		559	"silver" => "silvercoin",
		560	"silvercoin" => "silvercoin",
		561	"silvercoins" => "silvercoin",
		562	"gold" => "goldcoin",
		563	"goldcoin" => "goldcoin",
		564	"goldcoins" => "goldcoin",
		565	"platinum" => "platinacoin",
		566	"platinumcoin" => "platinacoin",
		567	"platinumcoins" => "platinacoin",
		568	"platina" => "platinacoin",
		569	"platinacoin" => "platinacoin",
		570	"platinacoins" => "platinacoin",
		571	"royalty" => "royalty",
		572	"royalties" => "royalty",
		573	);
		574
		575	sub coin_from_name($) {
		576	$coin_alias{$_[0]}
		577	? cf::arch::find $coin_alias{$_[0]}
		578	: undef
		579	}
		580
		581	=item $value = cf::db_get $family => $key
		582
		583	Returns a single value from the environment database.
		584
		585	=item cf::db_put $family => $key => $value
		586
		587	Stores the given C<$value> in the family. It can currently store binary
		588	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		589
		590	=item $db = cf::db_table "name"
		591
		592	Create and/or open a new database table. The string must not be "db" and must be unique
		593	within each server.
		594
		595	=cut
		596
		597	sub db_table($) {
		598	my ($name) = @_;
		599	my $db = BDB::db_create $DB_ENV;
		600
		601	eval {
		602	$db->set_flags (BDB::CHKSUM);
		603
		604	utf8::encode $name;
		605	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		606	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		607	cf::cleanup "db_open(db): $!" if $!;
		608	};
		609	cf::cleanup "db_open(db): $@" if $@;
		610
		611	$db
		612	}
		613
		614	our $DB;
		615
		616	sub db_init {
		617	cf::sync_job {
		618	$DB ||= db_table "db";
		619	};
		620	}
		621
		622	sub db_get($$) {
		623	my $key = "$_[0]/$_[1]";
		624
		625	cf::sync_job {
		626	BDB::db_get $DB, undef, $key, my $data;
		627
		628	$! ? ()
		629	: $data
372	1	630	}
		631	}
		632
		633	sub db_put($$$) {
		634	BDB::dbreq_pri 4;
		635	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		636	}
		637
		638	=item cf::cache $id => [$paths...], $processversion => $process
		639
		640	Generic caching function that returns the value of the resource $id,
		641	caching and regenerating as required.
		642
		643	This function can block.
		644
		645	=cut
		646
		647	sub cache {
		648	my ($id, $src, $processversion, $process) = @_;
		649
		650	my $meta =
		651	join "\x00",
		652	$processversion,
		653	map {
		654	aio_stat $_
		655	and Carp::croak "$_: $!";
		656
		657	($_, (stat _)[7,9])
		658	} @$src;
		659
		660	my $dbmeta = db_get cache => "$id/meta";
		661	if ($dbmeta ne $meta) {
		662	# changed, we may need to process
		663
		664	my @data;
		665	my $md5;
		666
		667	for (0 .. $#$src) {
		668	0 <= aio_load $src->[$_], $data[$_]
		669	or Carp::croak "$src->[$_]: $!";
		670	}
		671
		672	# if processing is expensive, check
		673	# checksum first
		674	if (1) {
		675	$md5 =
		676	join "\x00",
		677	$processversion,
		678	map {
		679	cf::cede_to_tick;
		680	($src->[$_], Digest::MD5::md5_hex $data[$_])
		681	} 0.. $#$src;
		682
		683
		684	my $dbmd5 = db_get cache => "$id/md5";
		685	if ($dbmd5 eq $md5) {
		686	db_put cache => "$id/meta", $meta;
		687
		688	return db_get cache => "$id/data";
		689	}
		690	}
		691
		692	my $t1 = Time::HiRes::time;
		693	my $data = $process->(\@data);
		694	my $t2 = Time::HiRes::time;
		695
		696	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		697
		698	db_put cache => "$id/data", $data;
		699	db_put cache => "$id/md5" , $md5;
		700	db_put cache => "$id/meta", $meta;
		701
		702	return $data;
		703	}
		704
		705	db_get cache => "$id/data"
		706	}
		707
		708	=item cf::datalog type => key => value, ...
		709
		710	Log a datalog packet of the given type with the given key-value pairs.
		711
		712	=cut
		713
		714	sub datalog($@) {
		715	my ($type, %kv) = @_;
		716	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
373	}	717	}
374		718
375	=back	719	=back
376		720
377	=cut	721	=cut
…		…
384	attach callbacks/event handlers (a collection of which is called an "attachment")	728	attach callbacks/event handlers (a collection of which is called an "attachment")
385	to it. All such attachable objects support the following methods.	729	to it. All such attachable objects support the following methods.
386		730
387	In the following description, CLASS can be any of C<global>, C<object>	731	In the following description, CLASS can be any of C<global>, C<object>
388	C<player>, C<client> or C<map> (i.e. the attachable objects in	732	C<player>, C<client> or C<map> (i.e. the attachable objects in
389	crossfire+).	733	Deliantra).
390		734
391	=over 4	735	=over 4
392		736
393	=item $attachable->attach ($attachment, key => $value...)	737	=item $attachable->attach ($attachment, key => $value...)
394		738
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	901	$registry = $CB_TYPE[$object_type] ||= [];
558		902
559	} elsif ($type eq "subtype") {	903	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	904	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	905	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	906	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		907
564	} elsif ($type eq "package") {	908	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	909	my $pkg = shift @arg;
566		910
567	while (my ($name, $id) = each %cb_id) {	911	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	940	_attach $registry, $klass, @attach;
597	}	941	}
598		942
599	$obj->{$name} = \%arg;	943	$obj->{$name} = \%arg;
600	} else {	944	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	945	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	946	}
603		947
604	$obj->{_attachment}{$name} = undef;	948	$obj->{_attachment}{$name} = undef;
605	}	949	}
606		950
…		…
608	if (ref $_[0]) {	952	if (ref $_[0]) {
609	_object_attach @_;	953	_object_attach @_;
610	} else {	954	} else {
611	_attach shift->_attach_registry, @_;	955	_attach shift->_attach_registry, @_;
612	}	956	}
		957	_recalc_want;
613	};	958	};
614		959
615	# all those should be optimised	960	# all those should be optimised
616	sub cf::attachable::detach {	961	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	962	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	965	delete $obj->{_attachment}{$name};
621	reattach ($obj);	966	reattach ($obj);
622	} else {	967	} else {
623	Carp::croak "cannot, currently, detach class attachments";	968	Carp::croak "cannot, currently, detach class attachments";
624	}	969	}
		970	_recalc_want;
625	};	971	};
626		972
627	sub cf::attachable::attached {	973	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	974	my ($obj, $name) = @_;
629		975
…		…
644	";	990	";
645	die if $@;	991	die if $@;
646	}	992	}
647		993
648	our $override;	994	our $override;
649	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	995	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
650		996
651	sub override {	997	sub override {
652	$override = 1;	998	$override = 1;
653	@invoke_results = ();	999	@INVOKE_RESULTS = (@_);
654	}	1000	}
655		1001
656	sub do_invoke {	1002	sub do_invoke {
657	my $event = shift;	1003	my $event = shift;
658	my $callbacks = shift;	1004	my $callbacks = shift;
659		1005
660	@invoke_results = ();	1006	@INVOKE_RESULTS = ();
661		1007
662	local $override;	1008	local $override;
663		1009
664	for (@$callbacks) {	1010	for (@$callbacks) {
665	eval { &{$_->[1]} };	1011	eval { &{$_->[1]} };
…		…
674	}	1020	}
675		1021
676	0	1022	0
677	}	1023	}
678		1024
679	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1025	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
680		1026
681	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
682		1028
683	Generate an object-specific event with the given arguments.	1029	Generate an object-specific event with the given arguments.
684		1030
685	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1031	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
686	removed in future versions), and there is no public API to access override	1032	removed in future versions), and there is no public API to access override
687	results (if you must, access C<@cf::invoke_results> directly).	1033	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		1034
689	=back	1035	=back
690		1036
691	=cut	1037	=cut
692		1038
693	#############################################################################	1039	#############################################################################
694	# object support	1040	# object support
		1041
		1042	sub _object_equal($$);
		1043	sub _object_equal($$) {
		1044	my ($a, $b) = @_;
		1045
		1046	return 0 unless (ref $a) eq (ref $b);
		1047
		1048	if ("HASH" eq ref $a) {
		1049	my @ka = keys %$a;
		1050	my @kb = keys %$b;
		1051
		1052	return 0 if @ka != @kb;
		1053
		1054	for (0 .. $#ka) {
		1055	return 0 unless $ka[$_] eq $kb[$_];
		1056	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1057	}
		1058
		1059	} elsif ("ARRAY" eq ref $a) {
		1060
		1061	return 0 if @$a != @$b;
		1062
		1063	for (0 .. $#$a) {
		1064	return 0 unless _object_equal $a->[$_], $b->[$_];
		1065	}
		1066
		1067	} elsif ($a ne $b) {
		1068	return 0;
		1069	}
		1070
		1071	1
		1072	}
		1073
		1074	our $SLOW_MERGES;#d#
		1075	sub _can_merge {
		1076	my ($ob1, $ob2) = @_;
		1077
		1078	++$SLOW_MERGES;#d#
		1079
		1080	# we do the slow way here
		1081	return _object_equal $ob1, $ob2
		1082	}
695		1083
696	sub reattach {	1084	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	1085	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	1086	my ($obj) = @_;
699		1087
…		…
720	cf::attachable->attach (	1108	cf::attachable->attach (
721	prio => -1000000,	1109	prio => -1000000,
722	on_instantiate => sub {	1110	on_instantiate => sub {
723	my ($obj, $data) = @_;	1111	my ($obj, $data) = @_;
724		1112
725	$data = from_json $data;	1113	$data = decode_json $data;
726		1114
727	for (@$data) {	1115	for (@$data) {
728	my ($name, $args) = @$_;	1116	my ($name, $args) = @$_;
729		1117
730	$obj->attach ($name, %{$args || {} });	1118	$obj->attach ($name, %{$args || {} });
…		…
746	sub object_freezer_save {	1134	sub object_freezer_save {
747	my ($filename, $rdata, $objs) = @_;	1135	my ($filename, $rdata, $objs) = @_;
748		1136
749	sync_job {	1137	sync_job {
750	if (length $$rdata) {	1138	if (length $$rdata) {
		1139	utf8::decode (my $decname = $filename);
751	warn sprintf "saving %s (%d,%d)\n",	1140	warn sprintf "saving %s (%d,%d)\n",
752	$filename, length $$rdata, scalar @$objs;	1141	$decname, length $$rdata, scalar @$objs;
753		1142
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1143	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1144	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1145	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1146	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1147	close $fh;
759		1148
760	if (@$objs) {	1149	if (@$objs) {
761	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1150	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
762	chmod SAVE_MODE, $fh;	1151	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1152	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1153	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1154	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1155	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1156	aio_rename "$filename.pst~", "$filename.pst";
768	}	1157	}
769	} else {	1158	} else {
770	aio_unlink "$filename.pst";	1159	aio_unlink "$filename.pst";
…		…
776	}	1165	}
777	} else {	1166	} else {
778	aio_unlink $filename;	1167	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1168	aio_unlink "$filename.pst";
780	}	1169	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1170	};
788	}	1171	}
789		1172
790	sub object_freezer_as_string {	1173	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1174	my ($rdata, $objs) = @_;
792		1175
…		…
797		1180
798	sub object_thawer_load {	1181	sub object_thawer_load {
799	my ($filename) = @_;	1182	my ($filename) = @_;
800		1183
801	my ($data, $av);	1184	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1185
806	(aio_load $filename, $data) >= 0	1186	(aio_load $filename, $data) >= 0
807	or return;	1187	or return;
808		1188
809	unless (aio_stat "$filename.pst") {	1189	unless (aio_stat "$filename.pst") {
810	(aio_load "$filename.pst", $av) >= 0	1190	(aio_load "$filename.pst", $av) >= 0
811	or return;	1191	or return;
		1192
812	$av = eval { (Storable::thaw $av)->{objs} };	1193	my $st = eval { Coro::Storable::thaw $av };
		1194	$av = $st->{objs};
813	}	1195	}
814		1196
		1197	utf8::decode (my $decname = $filename);
815	warn sprintf "loading %s (%d)\n",	1198	warn sprintf "loading %s (%d,%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1199	$decname, length $data, scalar @{$av || []};
		1200
817	return ($data, $av);	1201	($data, $av)
818	}	1202	}
		1203
		1204	=head2 COMMAND CALLBACKS
		1205
		1206	=over 4
		1207
		1208	=cut
819		1209
820	#############################################################################	1210	#############################################################################
821	# command handling &c	1211	# command handling &c
822		1212
823	=item cf::register_command $name => \&callback($ob,$args);	1213	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1226	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1227	}
838		1228
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1229	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1230
841	Register a callbackf ro execution when the client sends an extcmd packet.	1231	Register a callback for execution when the client sends an (synchronous)
		1232	extcmd packet. Ext commands will be processed in the order they are
		1233	received by the server, like other user commands. The first argument is
		1234	the logged-in player. Ext commands can only be processed after a player
		1235	has logged in successfully.
842		1236
843	If the callback returns something, it is sent back as if reply was being	1237	If the callback returns something, it is sent back as if reply was being
844	called.	1238	called.
845		1239
		1240	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1241
		1242	Register a callback for execution when the client sends an (asynchronous)
		1243	exticmd packet. Exti commands are processed by the server as soon as they
		1244	are received, i.e. out of order w.r.t. other commands. The first argument
		1245	is a client socket. Exti commands can be received anytime, even before
		1246	log-in.
		1247
		1248	If the callback returns something, it is sent back as if reply was being
		1249	called.
		1250
846	=cut	1251	=cut
847		1252
848	sub register_extcmd {	1253	sub register_extcmd {
849	my ($name, $cb) = @_;	1254	my ($name, $cb) = @_;
850		1255
851	$EXTCMD{$name} = $cb;	1256	$EXTCMD{$name} = $cb;
		1257	}
		1258
		1259	sub register_exticmd {
		1260	my ($name, $cb) = @_;
		1261
		1262	$EXTICMD{$name} = $cb;
852	}	1263	}
853		1264
854	cf::player->attach (	1265	cf::player->attach (
855	on_command => sub {	1266	on_command => sub {
856	my ($pl, $name, $params) = @_;	1267	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1276	cf::override;
866	},	1277	},
867	on_extcmd => sub {	1278	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1279	my ($pl, $buf) = @_;
869		1280
870	my $msg = eval { from_json $buf };	1281	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1282
872	if (ref $msg) {	1283	if (ref $msg) {
		1284	my ($type, $reply, @payload) =
		1285	"ARRAY" eq ref $msg
		1286	? @$msg
		1287	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1288
		1289	my @reply;
		1290
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1291	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1292	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1293	}
		1294
		1295	$pl->ext_reply ($reply, @reply)
		1296	if $reply;
		1297
878	} else {	1298	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1299	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1300	}
881		1301
882	cf::override;	1302	cf::override;
883	},	1303	},
884	);	1304	);
885		1305
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1306	sub load_extensions {
		1307	cf::sync_job {
		1308	my %todo;
		1309
921	for my $ext (<$LIBDIR/*.ext>) {	1310	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1311	next unless -r $path;
923	eval {	1312
924	load_extension $ext;	1313	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1314	my $base = $1;
		1315	my $pkg = $1;
		1316	$pkg =~ s/[^[:word:]]/_/g;
		1317	$pkg = "ext::$pkg";
		1318
		1319	open my $fh, "<:utf8", $path
		1320	or die "$path: $!";
		1321
		1322	my $source = do { local $/; <$fh> };
		1323
		1324	my %ext = (
		1325	path => $path,
		1326	base => $base,
		1327	pkg => $pkg,
		1328	);
		1329
		1330	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1331	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1332
		1333	$ext{source} =
		1334	"package $pkg; use strict; use utf8;\n"
		1335	. "#line 1 \"$path\"\n{\n"
		1336	. $source
		1337	. "\n};\n1";
		1338
		1339	$todo{$base} = \%ext;
		1340	}
		1341
		1342	my %done;
		1343	while (%todo) {
		1344	my $progress;
		1345
		1346	while (my ($k, $v) = each %todo) {
		1347	for (split /,\s*/, $v->{meta}{depends}) {
		1348	goto skip
		1349	unless exists $done{$_};
		1350	}
		1351
		1352	warn "... loading '$k' into '$v->{pkg}'\n";
		1353
		1354	unless (eval $v->{source}) {
		1355	my $msg = $@ ? "$v->{path}: $@\n"
		1356	: "$v->{base}: extension inactive.\n";
		1357
		1358	if (exists $v->{meta}{mandatory}) {
		1359	warn $msg;
		1360	cf::cleanup "mandatory extension failed to load, exiting.";
		1361	}
		1362
		1363	warn $msg;
		1364	}
		1365
		1366	$done{$k} = delete $todo{$k};
		1367	push @EXTS, $v->{pkg};
		1368	$progress = 1;
925	1	1369	}
926	} or warn "$ext not loaded: $@";	1370
		1371	skip:
		1372	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1373	unless $progress;
		1374	}
927	}	1375	};
928	}	1376	}
929		1377
930	#############################################################################	1378	#############################################################################
931		1379
		1380	=back
		1381
932	=head2 CORE EXTENSIONS	1382	=head2 CORE EXTENSIONS
933		1383
934	Functions and methods that extend core crossfire objects.	1384	Functions and methods that extend core crossfire objects.
935		1385
936	=cut	1386	=cut
…		…
941		1391
942	=head3 cf::player	1392	=head3 cf::player
943		1393
944	=over 4	1394	=over 4
945		1395
		1396	=item cf::player::num_playing
		1397
		1398	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1399
		1400	=cut
		1401
		1402	sub num_playing {
		1403	scalar grep
		1404	$_->ob->map
		1405	&& !$_->hidden
		1406	&& !$_->ob->flag (cf::FLAG_WIZ),
		1407	cf::player::list
		1408	}
		1409
946	=item cf::player::find $login	1410	=item cf::player::find $login
947		1411
948	Returns the given player object, loading it if necessary (might block).	1412	Returns the given player object, loading it if necessary (might block).
949		1413
950	=cut	1414	=cut
951		1415
952	sub playerdir($) {	1416	sub playerdir($) {
953	cf::localdir	1417	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1418	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1419	}
959		1420
960	sub path($) {	1421	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1422	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1423
963	(playerdir $login) . "/$login.pl"	1424	(playerdir $login) . "/playerdata"
964	}	1425	}
965		1426
966	sub find_active($) {	1427	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1428	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1429	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1442	my $login = $_[0];
982		1443
983	my $guard = cf::lock_acquire "user_find:$login";	1444	my $guard = cf::lock_acquire "user_find:$login";
984		1445
985	$cf::PLAYER{$_[0]} || do {	1446	$cf::PLAYER{$_[0]} || do {
986	my $pl = load_pl path $login	1447	# rename old playerfiles to new ones
		1448	#TODO: remove when no longer required
		1449	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1450	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1451	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1452	aio_unlink +(playerdir $login) . "/$login.pl";
		1453
		1454	my $f = new_from_file cf::object::thawer path $login
987	or return;	1455	or return;
		1456
		1457	my $pl = cf::player::load_pl $f
		1458	or return;
		1459	local $cf::PLAYER_LOADING{$login} = $pl;
		1460	$f->resolve_delayed_derefs;
988	$cf::PLAYER{$login} = $pl	1461	$cf::PLAYER{$login} = $pl
989	}	1462	}
990	}	1463	}
991	}	1464	}
992		1465
…		…
1002		1475
1003	aio_mkdir playerdir $pl, 0770;	1476	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1477	$pl->{last_save} = $cf::RUNTIME;
1005		1478
1006	$pl->save_pl ($path);	1479	$pl->save_pl ($path);
1007	Coro::cede;	1480	cf::cede_to_tick;
1008	}	1481	}
1009		1482
1010	sub new($) {	1483	sub new($) {
1011	my ($login) = @_;	1484	my ($login) = @_;
1012		1485
…		…
1018	$cf::PLAYER{$login} = $self;	1491	$cf::PLAYER{$login} = $self;
1019		1492
1020	$self	1493	$self
1021	}	1494	}
1022		1495
		1496	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1497
		1498	=cut
		1499
		1500	sub send_msg {
		1501	my $ns = shift->ns
		1502	or return;
		1503	$ns->send_msg (@_);
		1504	}
		1505
1023	=item $pl->quit_character	1506	=item $pl->quit_character
1024		1507
1025	Nukes the player without looking back. If logged in, the connection will	1508	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1509	be destroyed. May block for a long time.
1027		1510
1028	=cut	1511	=cut
1029		1512
1030	sub quit_character {	1513	sub quit_character {
1031	my ($pl) = @_;	1514	my ($pl) = @_;
		1515
		1516	my $name = $pl->ob->name;
1032		1517
1033	$pl->{deny_save} = 1;	1518	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1519	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1520
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1521	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1526	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1527	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1528	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1529	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1530	$pl->destroy;
		1531
		1532	my $prefix = qr<^~\Q$name\E/>;
		1533
		1534	# nuke player maps
		1535	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1536
1046	IO::AIO::aio_rmtree $temp;	1537	IO::AIO::aio_rmtree $temp;
		1538	}
		1539
		1540	=item $pl->kick
		1541
		1542	Kicks a player out of the game. This destroys the connection.
		1543
		1544	=cut
		1545
		1546	sub kick {
		1547	my ($pl, $kicker) = @_;
		1548
		1549	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1550	$pl->killer ("kicked");
		1551	$pl->ns->destroy;
1047	}	1552	}
1048		1553
1049	=item cf::player::list_logins	1554	=item cf::player::list_logins
1050		1555
1051	Returns am arrayref of all valid playernames in the system, can take a	1556	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1557	while and may block, so not sync_job-capable, ever.
1053		1558
1054	=cut	1559	=cut
1055		1560
1056	sub list_logins {	1561	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1562	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1563	or return [];
1059		1564
1060	my @logins;	1565	my @logins;
1061		1566
1062	for my $login (@$dirs) {	1567	for my $login (@$dirs) {
		1568	my $path = path $login;
		1569
		1570	# a .pst is a dead give-away for a valid player
		1571	unless (-e "$path.pst") {
1063	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1572	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1064	aio_read $fh, 0, 512, my $buf, 0 or next;	1573	aio_read $fh, 0, 512, my $buf, 0 or next;
1065	$buf !~ /^password -------------$/m or next; # official not-valid tag	1574	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1575	}
1066		1576
1067	utf8::decode $login;	1577	utf8::decode $login;
1068	push @logins, $login;	1578	push @logins, $login;
1069	}	1579	}
1070		1580
…		…
1097	}	1607	}
1098		1608
1099	\@paths	1609	\@paths
1100	}	1610	}
1101		1611
		1612	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1613
		1614	Expand crossfire pod fragments into protocol xml.
		1615
		1616	=cut
		1617
		1618	use re 'eval';
		1619
		1620	my $group;
		1621	my $interior; $interior = qr{
		1622	# match a pod interior sequence sans C<< >>
		1623	(?:
		1624	\ (.*?)\ (?{ $group = $^N })
		1625	| < (??{$interior}) >
		1626	)
		1627	}x;
		1628
		1629	sub expand_cfpod {
		1630	my ($self, $pod) = @_;
		1631
		1632	my $xml;
		1633
		1634	while () {
		1635	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1636	$group = $1;
		1637
		1638	$group =~ s/&/&amp;/g;
		1639	$group =~ s/</&lt;/g;
		1640
		1641	$xml .= $group;
		1642	} elsif ($pod =~ m%\G
		1643	([BCGHITU])
		1644	<
		1645	(?:
		1646	([^<>]*) (?{ $group = $^N })
		1647	| < $interior >
		1648	)
		1649	>
		1650	%gcsx
		1651	) {
		1652	my ($code, $data) = ($1, $group);
		1653
		1654	if ($code eq "B") {
		1655	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1656	} elsif ($code eq "I") {
		1657	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1658	} elsif ($code eq "U") {
		1659	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1660	} elsif ($code eq "C") {
		1661	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1662	} elsif ($code eq "T") {
		1663	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1664	} elsif ($code eq "G") {
		1665	my ($male, $female) = split /\|/, $data;
		1666	$data = $self->gender ? $female : $male;
		1667	$xml .= expand_cfpod ($self, $data);
		1668	} elsif ($code eq "H") {
		1669	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1670	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1671	"")
		1672	[$self->{hintmode}];
		1673	} else {
		1674	$xml .= "error processing '$code($data)' directive";
		1675	}
		1676	} else {
		1677	if ($pod =~ /\G(.+)/) {
		1678	warn "parse error while expanding $pod (at $1)";
		1679	}
		1680	last;
		1681	}
		1682	}
		1683
		1684	for ($xml) {
		1685	# create single paragraphs (very hackish)
		1686	s/(?<=\S)\n(?=\w)/ /g;
		1687
		1688	# compress some whitespace
		1689	s/\s+\n/\n/g; # ws line-ends
		1690	s/\n\n+/\n/g; # double lines
		1691	s/^\n+//; # beginning lines
		1692	s/\n+$//; # ending lines
		1693	}
		1694
		1695	$xml
		1696	}
		1697
		1698	no re 'eval';
		1699
		1700	sub hintmode {
		1701	$_[0]{hintmode} = $_[1] if @_ > 1;
		1702	$_[0]{hintmode}
		1703	}
		1704
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1705	=item $player->ext_reply ($msgid, @msg)
1103		1706
1104	Sends an ext reply to the player.	1707	Sends an ext reply to the player.
1105		1708
1106	=cut	1709	=cut
1107		1710
1108	sub ext_reply($$$%) {	1711	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1712	my ($self, $id, @msg) = @_;
1110		1713
1111	$msg{msgid} = $id;	1714	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1715	}
1115		1716
1116	package cf;	1717	=item $player->ext_msg ($type, @msg)
		1718
		1719	Sends an ext event to the client.
		1720
		1721	=cut
		1722
		1723	sub ext_msg($$@) {
		1724	my ($self, $type, @msg) = @_;
		1725
		1726	$self->ns->ext_msg ($type, @msg);
		1727	}
		1728
		1729	=head3 cf::region
		1730
		1731	=over 4
		1732
		1733	=cut
		1734
		1735	package cf::region;
		1736
		1737	=item cf::region::find_by_path $path
		1738
		1739	Tries to decuce the likely region for a map knowing only its path.
		1740
		1741	=cut
		1742
		1743	sub find_by_path($) {
		1744	my ($path) = @_;
		1745
		1746	my ($match, $specificity);
		1747
		1748	for my $region (list) {
		1749	if ($region->{match} && $path =~ $region->{match}) {
		1750	($match, $specificity) = ($region, $region->specificity)
		1751	if $region->specificity > $specificity;
		1752	}
		1753	}
		1754
		1755	$match
		1756	}
1117		1757
1118	=back	1758	=back
1119
1120		1759
1121	=head3 cf::map	1760	=head3 cf::map
1122		1761
1123	=over 4	1762	=over 4
1124		1763
…		…
1136	our $MAX_RESET = 3600;	1775	our $MAX_RESET = 3600;
1137	our $DEFAULT_RESET = 3000;	1776	our $DEFAULT_RESET = 3000;
1138		1777
1139	sub generate_random_map {	1778	sub generate_random_map {
1140	my ($self, $rmp) = @_;	1779	my ($self, $rmp) = @_;
		1780
		1781	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1782
1141	# mit "rum" bekleckern, nicht	1783	# mit "rum" bekleckern, nicht
1142	$self->_create_random_map (	1784	$self->_create_random_map (
1143	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1785	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1144	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1786	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1145	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1787	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1179	my ($self, $merge) = @_;	1821	my ($self, $merge) = @_;
1180		1822
1181	# we have to keep some variables in memory intact	1823	# we have to keep some variables in memory intact
1182	local $self->{path};	1824	local $self->{path};
1183	local $self->{load_path};	1825	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1826
1187	$self->SUPER::thawer_merge ($merge);	1827	$self->SUPER::thawer_merge ($merge);
1188	}	1828	}
1189		1829
1190	sub normalise {	1830	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1877	$self->init; # pass $1 etc.
1238	return $self;	1878	return $self;
1239	}	1879	}
1240	}	1880	}
1241		1881
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1882	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1883	()
1244	}	1884	}
1245		1885
1246	sub init {	1886	sub init {
1247	my ($self) = @_;	1887	my ($self) = @_;
…		…
1262		1902
1263	# the original (read-only) location	1903	# the original (read-only) location
1264	sub load_path {	1904	sub load_path {
1265	my ($self) = @_;	1905	my ($self) = @_;
1266		1906
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1907	"$MAPDIR/$self->{path}.map"
1268	}	1908	}
1269		1909
1270	# the temporary/swap location	1910	# the temporary/swap location
1271	sub save_path {	1911	sub save_path {
1272	my ($self) = @_;	1912	my ($self) = @_;
1273		1913
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1914	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1915	"$TMPDIR/$path.map"
1276	}	1916	}
1277		1917
1278	# the unique path, undef == no special unique path	1918	# the unique path, undef == no special unique path
1279	sub uniq_path {	1919	sub uniq_path {
1280	my ($self) = @_;	1920	my ($self) = @_;
1281		1921
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1923	"$UNIQUEDIR/$path"
1284	}	1924	}
1285		1925
1286	# and all this just because we cannot iterate over	1926	# and all this just because we cannot iterate over
1287	# all maps in C++...	1927	# all maps in C++...
1288	sub change_all_map_light {	1928	sub change_all_map_light {
…		…
1290		1930
1291	$_->change_map_light ($change)	1931	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1932	for grep $_->outdoor, values %cf::MAP;
1293	}	1933	}
1294		1934
		1935	sub decay_objects {
		1936	my ($self) = @_;
		1937
		1938	return if $self->{deny_reset};
		1939
		1940	$self->do_decay_objects;
		1941	}
		1942
1295	sub unlink_save {	1943	sub unlink_save {
1296	my ($self) = @_;	1944	my ($self) = @_;
1297		1945
1298	utf8::encode (my $save = $self->save_path);	1946	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1947	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1948	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1949	}
1307		1950
1308	sub load_header_from($) {	1951	sub load_header_from($) {
1309	my ($self, $path) = @_;	1952	my ($self, $path) = @_;
1310		1953
1311	utf8::encode $path;	1954	utf8::encode $path;
1312	#aio_open $path, O_RDONLY, 0	1955	my $f = new_from_file cf::object::thawer $path
1313	# or return;
1314
1315	$self->_load_header ($path)
1316	or return;	1956	or return;
		1957
		1958	$self->_load_header ($f)
		1959	or return;
		1960
		1961	local $MAP_LOADING{$self->{path}} = $self;
		1962	$f->resolve_delayed_derefs;
1317		1963
1318	$self->{load_path} = $path;	1964	$self->{load_path} = $path;
1319		1965
1320	1	1966	1
1321	}	1967	}
…		…
1360	$self->load_header_orig	2006	$self->load_header_orig
1361	or return;	2007	or return;
1362	$self->prepare_orig;	2008	$self->prepare_orig;
1363	}	2009	}
1364		2010
		2011	$self->{deny_reset} = 1
		2012	if $self->no_reset;
		2013
		2014	$self->default_region (cf::region::find_by_path $self->{path})
		2015	unless $self->default_region;
		2016
1365	1	2017	1
1366	}	2018	}
1367		2019
1368	sub find;	2020	sub find;
1369	sub find {	2021	sub find {
1370	my ($path, $origin) = @_;	2022	my ($path, $origin) = @_;
1371		2023
1372	$path = normalise $path, $origin && $origin->path;	2024	$path = normalise $path, $origin && $origin->path;
1373		2025
		2026	cf::lock_wait "map_data:$path";#d#remove
1374	cf::lock_wait "map_find:$path";	2027	cf::lock_wait "map_find:$path";
1375		2028
1376	$cf::MAP{$path} || do {	2029	$cf::MAP{$path} || do {
1377	my $guard = cf::lock_acquire "map_find:$path";	2030	my $guard1 = cf::lock_acquire "map_find:$path";
		2031	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2032
1378	my $map = new_from_path cf::map $path	2033	my $map = new_from_path cf::map $path
1379	or return;	2034	or return;
1380		2035
1381	$map->{last_save} = $cf::RUNTIME;	2036	$map->{last_save} = $cf::RUNTIME;
1382		2037
1383	$map->load_header	2038	$map->load_header
1384	or return;	2039	or return;
1385		2040
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2041	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	2042	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	2043	#$cf::WAIT_FOR_TICK->wait;
		2044	undef $guard1;
		2045	undef $guard2;
1389	$map->reset;	2046	$map->reset;
1390	undef $guard;
1391	return find $path;	2047	return find $path;
1392	}	2048	}
1393		2049
1394	$cf::MAP{$path} = $map	2050	$cf::MAP{$path} = $map
1395	}	2051	}
…		…
1402	my ($self) = @_;	2058	my ($self) = @_;
1403		2059
1404	local $self->{deny_reset} = 1; # loading can take a long time	2060	local $self->{deny_reset} = 1; # loading can take a long time
1405		2061
1406	my $path = $self->{path};	2062	my $path = $self->{path};
		2063
		2064	{
1407	my $guard = cf::lock_acquire "map_load:$path";	2065	my $guard = cf::lock_acquire "map_data:$path";
1408		2066
		2067	return unless $self->valid;
1409	return if $self->in_memory != cf::MAP_SWAPPED;	2068	return unless $self->in_memory == cf::MAP_SWAPPED;
1410		2069
1411	$self->in_memory (cf::MAP_LOADING);	2070	$self->in_memory (cf::MAP_LOADING);
1412		2071
1413	$self->alloc;	2072	$self->alloc;
1414		2073
1415	$self->pre_load;	2074	$self->pre_load;
		2075	cf::cede_to_tick;
1416		2076
1417	$self->_load_objects ($self->{load_path}, 1)	2077	my $f = new_from_file cf::object::thawer $self->{load_path};
		2078	$f->skip_block;
		2079	$self->_load_objects ($f)
1418	or return;	2080	or return;
1419		2081
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2082	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	2083	if delete $self->{load_original};
1422		2084
1423	if (my $uniq = $self->uniq_path) {	2085	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	2086	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	2087	unless (aio_stat $uniq) {
		2088	if (my $f = new_from_file cf::object::thawer $uniq) {
1426	$self->clear_unique_items;	2089	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	2090	$self->_load_objects ($f);
		2091	$f->resolve_delayed_derefs;
		2092	}
1428	}	2093	}
1429	}	2094	}
1430		2095
1431	Coro::cede;	2096	$f->resolve_delayed_derefs;
1432		2097
		2098	cf::cede_to_tick;
1433	# now do the right thing for maps	2099	# now do the right thing for maps
1434	$self->link_multipart_objects;	2100	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	2101	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	2102	unless $self->difficulty;
1444	Coro::cede;	2103	cf::cede_to_tick;
		2104
		2105	unless ($self->{deny_activate}) {
		2106	$self->decay_objects;
		2107	$self->fix_auto_apply;
		2108	$self->update_buttons;
		2109	cf::cede_to_tick;
		2110	$self->set_darkness_map;
		2111	cf::cede_to_tick;
1445	$self->activate;	2112	$self->activate;
		2113	}
		2114
		2115	$self->{last_save} = $cf::RUNTIME;
		2116	$self->last_access ($cf::RUNTIME);
		2117
		2118	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	2119	}
1447		2120
1448	$self->post_load;	2121	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	2122	}
1452		2123
1453	sub customise_for {	2124	sub customise_for {
1454	my ($self, $ob) = @_;	2125	my ($self, $ob) = @_;
1455		2126
1456	return find "~" . $ob->name . "/" . $self->{path}	2127	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	2128	if $self->per_player;
1458		2129
		2130	# return find "?party/" . $ob->name . "/" . $self->{path}
		2131	# if $self->per_party;
		2132
1459	$self	2133	$self
1460	}	2134	}
1461		2135
1462	# find and load all maps in the 3x3 area around a map	2136	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	2137	sub load_neighbours {
1464	my ($map) = @_;	2138	my ($map) = @_;
1465		2139
1466	my @diag; # diagonal neighbours	2140	my @neigh; # diagonal neighbours
1467		2141
1468	for (0 .. 3) {	2142	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	2143	my $neigh = $map->tile_path ($_)
1470	or next;	2144	or next;
1471	$neigh = find $neigh, $map	2145	$neigh = find $neigh, $map
1472	or next;	2146	or next;
1473	$neigh->load;	2147	$neigh->load;
1474		2148
		2149	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2150	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2151	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	2152	}
1478		2153
1479	for (@diag) {	2154	for (grep defined $_->[0], @neigh) {
		2155	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	2156	my $neigh = find $path, $origin
1481	or next;	2157	or next;
1482	$neigh->load;	2158	$neigh->load;
1483	}	2159	}
1484	}	2160	}
1485		2161
…		…
1490	}	2166	}
1491		2167
1492	sub do_load_sync {	2168	sub do_load_sync {
1493	my ($map) = @_;	2169	my ($map) = @_;
1494		2170
		2171	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2172	if $Coro::current == $Coro::main;
		2173
1495	cf::sync_job { $map->load };	2174	cf::sync_job { $map->load };
1496	}	2175	}
1497		2176
1498	our %MAP_PREFETCH;	2177	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	2178	our $MAP_PREFETCHER = undef;
1500		2179
1501	sub find_async {	2180	sub find_async {
1502	my ($path, $origin) = @_;	2181	my ($path, $origin, $load) = @_;
1503		2182
1504	$path = normalise $path, $origin && $origin->{path};	2183	$path = normalise $path, $origin && $origin->{path};
1505		2184
1506	if (my $map = $cf::MAP{$path}) {	2185	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2186	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	2187	}
1509		2188
1510	undef $MAP_PREFETCH{$path};	2189	$MAP_PREFETCH{$path} |= $load;
		2190
1511	$MAP_PREFETCHER ||= cf::async {	2191	$MAP_PREFETCHER ||= cf::async {
		2192	$Coro::current->{desc} = "map prefetcher";
		2193
1512	while (%MAP_PREFETCH) {	2194	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	2195	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	2196	if (my $map = find $k) {
1515	or next;
1516	$map->load;	2197	$map->load if $v;
		2198	}
1517		2199
1518	delete $MAP_PREFETCH{$path};	2200	delete $MAP_PREFETCH{$k};
1519	}	2201	}
1520	}	2202	}
1521	undef $MAP_PREFETCHER;	2203	undef $MAP_PREFETCHER;
1522	};	2204	};
1523	$MAP_PREFETCHER->prio (6);	2205	$MAP_PREFETCHER->prio (6);
…		…
1526	}	2208	}
1527		2209
1528	sub save {	2210	sub save {
1529	my ($self) = @_;	2211	my ($self) = @_;
1530		2212
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	2213	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2214
1533	$self->{last_save} = $cf::RUNTIME;	2215	$self->{last_save} = $cf::RUNTIME;
1534		2216
1535	return unless $self->dirty;	2217	return unless $self->dirty;
1536		2218
…		…
1542	return if $self->{deny_save};	2224	return if $self->{deny_save};
1543		2225
1544	local $self->{last_access} = $self->last_access;#d#	2226	local $self->{last_access} = $self->last_access;#d#
1545		2227
1546	cf::async {	2228	cf::async {
		2229	$Coro::current->{desc} = "map player save";
1547	$_->contr->save for $self->players;	2230	$_->contr->save for $self->players;
1548	};	2231	};
1549		2232
1550	if ($uniq) {	2233	if ($uniq) {
1551	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2234	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1559	my ($self) = @_;	2242	my ($self) = @_;
1560		2243
1561	# save first because save cedes	2244	# save first because save cedes
1562	$self->save;	2245	$self->save;
1563		2246
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2247	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2248
1566	return if $self->players;	2249	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2250	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};	2251	return if $self->{deny_save};
1569		2252
		2253	$self->in_memory (cf::MAP_SWAPPED);
		2254
		2255	$self->deactivate;
		2256	$_->clear_links_to ($self) for values %cf::MAP;
1570	$self->clear;	2257	$self->clear;
1571	$self->in_memory (cf::MAP_SWAPPED);
1572	}	2258	}
1573		2259
1574	sub reset_at {	2260	sub reset_at {
1575	my ($self) = @_;	2261	my ($self) = @_;
1576		2262
1577	# TODO: safety, remove and allow resettable per-player maps	2263	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2264	return 1e99 if $self->{deny_reset};
1580		2265
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2266	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2267	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2268
…		…
1594	my ($self) = @_;	2279	my ($self) = @_;
1595		2280
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2281	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2282
1598	return if $self->players;	2283	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2284
1601	warn "resetting map ", $self->path;#d#	2285	warn "resetting map ", $self->path;
		2286
		2287	$self->in_memory (cf::MAP_SWAPPED);
		2288
		2289	# need to save uniques path
		2290	unless ($self->{deny_save}) {
		2291	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2292
		2293	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2294	if $uniq;
		2295	}
1602		2296
1603	delete $cf::MAP{$self->path};	2297	delete $cf::MAP{$self->path};
1604		2298
1605	$self->in_memory (cf::MAP_SWAPPED);	2299	$self->deactivate;
		2300	$_->clear_links_to ($self) for values %cf::MAP;
1606	$self->clear;	2301	$self->clear;
1607
1608	$_->clear_links_to ($self) for values %cf::MAP;
1609		2302
1610	$self->unlink_save;	2303	$self->unlink_save;
1611	$self->destroy;	2304	$self->destroy;
1612	}	2305	}
1613		2306
1614	my $nuke_counter = "aaaa";	2307	my $nuke_counter = "aaaa";
1615		2308
1616	sub nuke {	2309	sub nuke {
1617	my ($self) = @_;	2310	my ($self) = @_;
1618		2311
		2312	{
		2313	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2314
1619	delete $cf::MAP{$self->path};	2315	delete $cf::MAP{$self->path};
1620		2316
1621	$self->unlink_save;	2317	$self->unlink_save;
1622		2318
1623	bless $self, "cf::map";	2319	bless $self, "cf::map";
1624	delete $self->{deny_reset};	2320	delete $self->{deny_reset};
1625	$self->{deny_save} = 1;	2321	$self->{deny_save} = 1;
1626	$self->reset_timeout (1);	2322	$self->reset_timeout (1);
1627	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2323	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1628		2324
1629	$cf::MAP{$self->path} = $self;	2325	$cf::MAP{$self->path} = $self;
		2326	}
1630		2327
1631	$self->reset; # polite request, might not happen	2328	$self->reset; # polite request, might not happen
		2329	}
		2330
		2331	=item $maps = cf::map::tmp_maps
		2332
		2333	Returns an arrayref with all map paths of currently instantiated and saved
		2334	maps. May block.
		2335
		2336	=cut
		2337
		2338	sub tmp_maps() {
		2339	[
		2340	map {
		2341	utf8::decode $_;
		2342	/\.map$/
		2343	? normalise $_
		2344	: ()
		2345	} @{ aio_readdir $TMPDIR or [] }
		2346	]
		2347	}
		2348
		2349	=item $maps = cf::map::random_maps
		2350
		2351	Returns an arrayref with all map paths of currently instantiated and saved
		2352	random maps. May block.
		2353
		2354	=cut
		2355
		2356	sub random_maps() {
		2357	[
		2358	map {
		2359	utf8::decode $_;
		2360	/\.map$/
		2361	? normalise "?random/$_"
		2362	: ()
		2363	} @{ aio_readdir $RANDOMDIR or [] }
		2364	]
1632	}	2365	}
1633		2366
1634	=item cf::map::unique_maps	2367	=item cf::map::unique_maps
1635		2368
1636	Returns an arrayref of paths of all shared maps that have	2369	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2370	instantiated unique items. May block.
1638		2371
1639	=cut	2372	=cut
1640		2373
1641	sub unique_maps() {	2374	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2375	[
1643	or return;	2376	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2377	utf8::decode $_;
1649	next if /\.pst$/;	2378	/\.map$/
1650	next unless /^$PATH_SEP/o;	2379	? normalise $_
1651		2380	: ()
1652	push @paths, cf::map::normalise $_;	2381	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2382	]
1654
1655	\@paths
1656	}	2383	}
1657
1658	package cf;
1659		2384
1660	=back	2385	=back
1661		2386
1662	=head3 cf::object	2387	=head3 cf::object
1663		2388
…		…
1678	map { $_, inv_recursive_ $_->inv } @_	2403	map { $_, inv_recursive_ $_->inv } @_
1679	}	2404	}
1680		2405
1681	sub inv_recursive {	2406	sub inv_recursive {
1682	inv_recursive_ inv $_[0]	2407	inv_recursive_ inv $_[0]
		2408	}
		2409
		2410	=item $ref = $ob->ref
		2411
		2412	creates and returns a persistent reference to an objetc that can be stored as a string.
		2413
		2414	=item $ob = cf::object::deref ($refstring)
		2415
		2416	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2417	even if the object actually exists. May block.
		2418
		2419	=cut
		2420
		2421	sub deref {
		2422	my ($ref) = @_;
		2423
		2424	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2425	my ($uuid, $name) = ($1, $2);
		2426	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2427	or return;
		2428	$pl->ob->uuid eq $uuid
		2429	or return;
		2430
		2431	$pl->ob
		2432	} else {
		2433	warn "$ref: cannot resolve object reference\n";
		2434	undef
		2435	}
1683	}	2436	}
1684		2437
1685	package cf;	2438	package cf;
1686		2439
1687	=back	2440	=back
…		…
1706		2459
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2460	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2461
1709	if ($self->{record_replies}) {	2462	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2463	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2464
1711	} else {	2465	} else {
		2466	my $pl = $self->contr;
		2467
		2468	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2469	my $dialog = $pl->{npc_dialog};
		2470	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2471
		2472	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2473	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2474	$self->message ($msg, $flags);
		2475	}
1714	}	2476	}
		2477	}
		2478
		2479	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2480
		2481	=cut
		2482
		2483	sub cf::object::send_msg {
		2484	my $pl = shift->contr
		2485	or return;
		2486	$pl->send_msg (@_);
1715	}	2487	}
1716		2488
1717	=item $player_object->may ("access")	2489	=item $player_object->may ("access")
1718		2490
1719	Returns wether the given player is authorized to access resource "access"	2491	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2538	$self->deactivate_recursive;
1767		2539
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2540	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2541
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2542	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2543	if $self->map && $self->map->{path} ne "{link}";
1772		2544
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2545	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2546	}
1775		2547
1776	sub cf::object::player::leave_link {	2548	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2549	my ($self, $map, $x, $y) = @_;
		2550
		2551	return unless $self->contr->active;
1778		2552
1779	my $link_pos = delete $self->{_link_pos};	2553	my $link_pos = delete $self->{_link_pos};
1780		2554
1781	unless ($map) {	2555	unless ($map) {
1782	# restore original map position	2556	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2570	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2571	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2572	if $x <=0 && $y <= 0;
1799		2573
1800	$map->load;	2574	$map->load;
1801	$map->load_diag;	2575	$map->load_neighbours;
1802		2576
1803	return unless $self->contr->active;	2577	return unless $self->contr->active;
1804	$self->activate_recursive;	2578	$self->activate_recursive;
		2579
		2580	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2581	$self->enter_map ($map, $x, $y);
1806	}	2582	}
1807		2583
1808	cf::player->attach (	2584	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2585
1812	# abort map switching before logout	2586	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2587	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2588	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2589	the new (success) or old (failed) map position. In either case, $done will
1816	};	2590	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2591
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2592	=cut
		2593
		2594	our $GOTOGEN;
1843		2595
1844	sub cf::object::player::goto {	2596	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2597	my ($self, $path, $x, $y, $check, $done) = @_;
		2598
		2599	# do generation counting so two concurrent goto's will be executed in-order
		2600	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2601
1847	$self->enter_link;	2602	$self->enter_link;
1848		2603
1849	(async {	2604	(async {
		2605	$Coro::current->{desc} = "player::goto $path $x $y";
		2606
		2607	# *tag paths override both path and x|y
		2608	if ($path =~ /^\*(.*)$/) {
		2609	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2610	my $ob = $obs[rand @obs];
		2611
		2612	# see if we actually can go there
		2613	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2614	$ob = $obs[rand @obs];
		2615	} else {
		2616	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2617	}
		2618	# else put us there anyways for now #d#
		2619
		2620	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2621	} else {
		2622	($path, $x, $y) = (undef, undef, undef);
		2623	}
		2624	}
		2625
1850	my $map = eval {	2626	my $map = eval {
1851	my $map = cf::map::find $path;	2627	my $map = defined $path ? cf::map::find $path : undef;
		2628
		2629	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2630	$map = $map->customise_for ($self);
		2631	$map = $check->($map) if $check && $map;
		2632	} else {
		2633	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2634	}
		2635
1853	$map	2636	$map
		2637	};
		2638
		2639	if ($@) {
		2640	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2641	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2642	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2643
		2644	if ($gen == $self->{_goto_generation}) {
		2645	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2646	$self->leave_link ($map, $x, $y);
		2647	}
		2648
		2649	$done->() if $done;
1858	})->prio (1);	2650	})->prio (1);
1859	}	2651	}
1860		2652
1861	=item $player_object->enter_exit ($exit_object)	2653	=item $player_object->enter_exit ($exit_object)
1862		2654
…		…
1899	$rmp->{origin_y} = $exit->y;	2691	$rmp->{origin_y} = $exit->y;
1900	}	2692	}
1901		2693
1902	$rmp->{random_seed} ||= $exit->random_seed;	2694	$rmp->{random_seed} ||= $exit->random_seed;
1903		2695
1904	my $data = cf::to_json $rmp;	2696	my $data = cf::encode_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2697	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2698	my $meta = "$RANDOMDIR/$md5.meta";
1907		2699
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2700	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2701	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2702	undef $fh;
1911	aio_rename "$meta~", $meta;	2703	aio_rename "$meta~", $meta;
…		…
1920		2712
1921	return unless $self->type == cf::PLAYER;	2713	return unless $self->type == cf::PLAYER;
1922		2714
1923	if ($exit->slaying eq "/!") {	2715	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2716	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2717	# the problem is that $exit might not survive long enough
		2718	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2719	cf::sync_job { prepare_random_map $exit };
1926	}	2720	}
1927		2721
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2722	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2723	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2724	my $sp = $exit->stats->sp;
1931		2725
1932	$self->enter_link;	2726	$self->enter_link;
1933		2727
		2728	# if exit is damned, update players death & WoR home-position
		2729	$self->contr->savebed ($slaying, $hp, $sp)
		2730	if $exit->flag (FLAG_DAMNED);
		2731
1934	(async {	2732	(async {
		2733	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2734
1935	$self->deactivate_recursive; # just to be sure	2735	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2736	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2737	$self->goto ($slaying, $hp, $sp);
1938		2738
1939	1;	2739	1;
1940	}) {	2740	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2741	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2742	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2743	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2744	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2745
1946	warn "ERROR in enter_exit: $@";	2746	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2747	$self->leave_link;
1948	}	2748	}
1949	})->prio (1);	2749	})->prio (1);
…		…
1962		2762
1963	sub cf::client::send_drawinfo {	2763	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2764	my ($self, $text, $flags) = @_;
1965		2765
1966	utf8::encode $text;	2766	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2767	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2768	}
1969		2769
		2770	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2771
		2772	Send a drawinfo or msg packet to the client, formatting the msg for the
		2773	client if neccessary. C<$type> should be a string identifying the type of
		2774	the message, with C<log> being the default. If C<$color> is negative, suppress
		2775	the message unless the client supports the msg packet.
		2776
		2777	=cut
		2778
		2779	# non-persistent channels (usually the info channel)
		2780	our %CHANNEL = (
		2781	"c/identify" => {
		2782	id => "infobox",
		2783	title => "Identify",
		2784	reply => undef,
		2785	tooltip => "Items recently identified",
		2786	},
		2787	"c/examine" => {
		2788	id => "infobox",
		2789	title => "Examine",
		2790	reply => undef,
		2791	tooltip => "Signs and other items you examined",
		2792	},
		2793	"c/book" => {
		2794	id => "infobox",
		2795	title => "Book",
		2796	reply => undef,
		2797	tooltip => "The contents of a note or book",
		2798	},
		2799	"c/lookat" => {
		2800	id => "infobox",
		2801	title => "Look",
		2802	reply => undef,
		2803	tooltip => "What you saw there",
		2804	},
		2805	"c/who" => {
		2806	id => "infobox",
		2807	title => "Players",
		2808	reply => undef,
		2809	tooltip => "Shows players who are currently online",
		2810	},
		2811	"c/body" => {
		2812	id => "infobox",
		2813	title => "Body Parts",
		2814	reply => undef,
		2815	tooltip => "Shows which body parts you posess and are available",
		2816	},
		2817	"c/uptime" => {
		2818	id => "infobox",
		2819	title => "Uptime",
		2820	reply => undef,
		2821	tooltip => "How long the server has been running since last restart",
		2822	},
		2823	"c/mapinfo" => {
		2824	id => "infobox",
		2825	title => "Map Info",
		2826	reply => undef,
		2827	tooltip => "Information related to the maps",
		2828	},
		2829	);
		2830
		2831	sub cf::client::send_msg {
		2832	my ($self, $channel, $msg, $color, @extra) = @_;
		2833
		2834	$msg = $self->pl->expand_cfpod ($msg);
		2835
		2836	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2837
		2838	# check predefined channels, for the benefit of C
		2839	if ($CHANNEL{$channel}) {
		2840	$channel = $CHANNEL{$channel};
		2841
		2842	$self->ext_msg (channel_info => $channel)
		2843	if $self->can_msg;
		2844
		2845	$channel = $channel->{id};
		2846
		2847	} elsif (ref $channel) {
		2848	# send meta info to client, if not yet sent
		2849	unless (exists $self->{channel}{$channel->{id}}) {
		2850	$self->{channel}{$channel->{id}} = $channel;
		2851	$self->ext_msg (channel_info => $channel)
		2852	if $self->can_msg;
		2853	}
		2854
		2855	$channel = $channel->{id};
		2856	}
		2857
		2858	return unless @extra || length $msg;
		2859
		2860	if ($self->can_msg) {
		2861	# default colour, mask it out
		2862	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2863	if $color & cf::NDI_DEF;
		2864
		2865	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2866	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2867	} else {
		2868	if ($color >= 0) {
		2869	# replace some tags by gcfclient-compatible ones
		2870	for ($msg) {
		2871	1 while
		2872	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2873	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2874	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2875	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2876	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2877	}
		2878
		2879	$color &= cf::NDI_COLOR_MASK;
		2880
		2881	utf8::encode $msg;
		2882
		2883	if (0 && $msg =~ /\[/) {
		2884	# COMMAND/INFO
		2885	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2886	} else {
		2887	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2888	$self->send_packet ("drawinfo $color $msg")
		2889	}
		2890	}
		2891	}
		2892	}
		2893
		2894	=item $client->ext_msg ($type, @msg)
		2895
		2896	Sends an ext event to the client.
		2897
		2898	=cut
		2899
		2900	sub cf::client::ext_msg($$@) {
		2901	my ($self, $type, @msg) = @_;
		2902
		2903	if ($self->extcmd == 2) {
		2904	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2905	} elsif ($self->extcmd == 1) { # TODO: remove
		2906	push @msg, msgtype => "event_$type";
		2907	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2908	}
		2909	}
		2910
		2911	=item $client->ext_reply ($msgid, @msg)
		2912
		2913	Sends an ext reply to the client.
		2914
		2915	=cut
		2916
		2917	sub cf::client::ext_reply($$@) {
		2918	my ($self, $id, @msg) = @_;
		2919
		2920	if ($self->extcmd == 2) {
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2922	} elsif ($self->extcmd == 1) {
		2923	#TODO: version 1, remove
		2924	unshift @msg, msgtype => "reply", msgid => $id;
		2925	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2926	}
		2927	}
1970		2928
1971	=item $success = $client->query ($flags, "text", \&cb)	2929	=item $success = $client->query ($flags, "text", \&cb)
1972		2930
1973	Queues a query to the client, calling the given callback with	2931	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2934
1977	Queries can fail, so check the return code. Or don't, as queries will become	2935	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2936	become reliable at some point in the future.
1979		2937
1980	=cut	2938	=cut
1981		2939
1982	sub cf::client::query {	2940	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2941	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2949	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2951
1994	$self->send_packet ($self->{query_queue}[0][0])	2952	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2953	if @{ $self->{query_queue} } == 1;
		2954
		2955	1
1996	}	2956	}
1997		2957
1998	cf::client->attach (	2958	cf::client->attach (
		2959	on_connect => sub {
		2960	my ($ns) = @_;
		2961
		2962	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2963	},
1999	on_reply => sub {	2964	on_reply => sub {
2000	my ($ns, $msg) = @_;	2965	my ($ns, $msg) = @_;
2001		2966
2002	# this weird shuffling is so that direct followup queries	2967	# this weird shuffling is so that direct followup queries
2003	# get handled first	2968	# get handled first
…		…
2015	} else {	2980	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2981	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	2982	}
2018	}	2983	}
2019	},	2984	},
		2985	on_exticmd => sub {
		2986	my ($ns, $buf) = @_;
		2987
		2988	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2989
		2990	if (ref $msg) {
		2991	my ($type, $reply, @payload) =
		2992	"ARRAY" eq ref $msg
		2993	? @$msg
		2994	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2995
		2996	my @reply;
		2997
		2998	if (my $cb = $EXTICMD{$type}) {
		2999	@reply = $cb->($ns, @payload);
		3000	}
		3001
		3002	$ns->ext_reply ($reply, @reply)
		3003	if $reply;
		3004
		3005	} else {
		3006	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3007	}
		3008
		3009	cf::override;
		3010	},
2020	);	3011	);
2021		3012
2022	=item $client->async (\&cb)	3013	=item $client->async (\&cb)
2023		3014
2024	Create a new coroutine, running the specified callback. The coroutine will	3015	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	3056	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	3057	our $safe_hole = new Safe::Hole;
2067		3058
2068	$SIG{FPE} = 'IGNORE';	3059	$SIG{FPE} = 'IGNORE';
2069		3060
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3061	$safe->permit_only (Opcode::opset qw(
		3062	:base_core :base_mem :base_orig :base_math
		3063	grepstart grepwhile mapstart mapwhile
		3064	sort time
		3065	));
2071		3066
2072	# here we export the classes and methods available to script code	3067	# here we export the classes and methods available to script code
2073		3068
2074	=pod	3069	=pod
2075		3070
2076	The following fucntions and emthods are available within a safe environment:	3071	The following functions and methods are available within a safe environment:
2077		3072
2078	cf::object contr pay_amount pay_player map	3073	cf::object
		3074	contr pay_amount pay_player map x y force_find force_add destroy
		3075	insert remove name archname title slaying race decrease_ob_nr
		3076
2079	cf::object::player player	3077	cf::object::player
2080	cf::player peaceful	3078	player
2081	cf::map trigger	3079
		3080	cf::player
		3081	peaceful
		3082
		3083	cf::map
		3084	trigger
2082		3085
2083	=cut	3086	=cut
2084		3087
2085	for (	3088	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	3089	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3090	insert remove inv name archname title slaying race
		3091	decrease_ob_nr destroy)],
2087	["cf::object::player" => qw(player)],	3092	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	3093	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	3094	["cf::map" => qw(trigger)],
2090	) {	3095	) {
2091	no strict 'refs';	3096	no strict 'refs';
…		…
2162	=back	3167	=back
2163		3168
2164	=cut	3169	=cut
2165		3170
2166	#############################################################################	3171	#############################################################################
		3172	# the server's init and main functions
2167		3173
2168	=head2 EXTENSION DATABASE SUPPORT	3174	sub load_facedata($) {
		3175	my ($path) = @_;
2169		3176
2170	Crossfire maintains a very simple database for extension use. It can	3177	# HACK to clear player env face cache, we need some signal framework
2171	currently store anything that can be serialised using Storable, which	3178	# for this (global event?)
2172	excludes objects.	3179	%ext::player_env::MUSIC_FACE_CACHE = ();
2173		3180
2174	The parameter C<$family> should best start with the name of the extension	3181	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2175	using it, it should be unique.
2176		3182
2177	=over 4	3183	warn "loading facedata from $path\n";
2178		3184
2179	=item $hashref = cf::db_get $family	3185	my $facedata;
		3186	0 < aio_load $path, $facedata
		3187	or die "$path: $!";
2180		3188
2181	Return a hashref for use by the extension C<$family>, which can be	3189	$facedata = Coro::Storable::thaw $facedata;
2182	modified. After modifications, you have to call C<cf::db_dirty> or
2183	C<cf::db_sync>.
2184		3190
2185	=item $value = cf::db_get $family => $key	3191	$facedata->{version} == 2
		3192	or cf::cleanup "$path: version mismatch, cannot proceed.";
2186		3193
2187	Returns a single value from the database	3194	# patch in the exptable
2188		3195	$facedata->{resource}{"res/exp_table"} = {
2189	=item cf::db_put $family => $hashref	3196	type => FT_RSRC,
2190		3197	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	3198	};
		3199	cf::cede_to_tick;
2217		3200
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	3201	{
		3202	my $faces = $facedata->{faceinfo};
2229		3203
2230	my $dirty;	3204	while (my ($face, $info) = each %$faces) {
		3205	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2231		3206
2232	sub db_sync() {	3207	cf::face::set_visibility $idx, $info->{visibility};
2233	db_save if $dirty;	3208	cf::face::set_magicmap $idx, $info->{magicmap};
2234	undef $dirty;	3209	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2235	}	3210	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2236		3211
2237	my $idle = Event->idle (	3212	cf::cede_to_tick;
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	3213	}
2271	);
2272	}
2273		3214
2274	#############################################################################	3215	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	3216	next unless $info->{smooth};
2276		3217
2277	sub cfg_load {	3218	my $idx = cf::face::find $face
		3219	or next;
		3220
		3221	if (my $smooth = cf::face::find $info->{smooth}) {
		3222	cf::face::set_smooth $idx, $smooth;
		3223	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3224	} else {
		3225	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3226	}
		3227
		3228	cf::cede_to_tick;
		3229	}
		3230	}
		3231
		3232	{
		3233	my $anims = $facedata->{animinfo};
		3234
		3235	while (my ($anim, $info) = each %$anims) {
		3236	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3237	cf::cede_to_tick;
		3238	}
		3239
		3240	cf::anim::invalidate_all; # d'oh
		3241	}
		3242
		3243	{
		3244	# TODO: for gcfclient pleasure, we should give resources
		3245	# that gcfclient doesn't grok a >10000 face index.
		3246	my $res = $facedata->{resource};
		3247
		3248	while (my ($name, $info) = each %$res) {
		3249	if (defined $info->{type}) {
		3250	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3251	my $data;
		3252
		3253	if ($info->{type} & 1) {
		3254	# prepend meta info
		3255
		3256	my $meta = $enc->encode ({
		3257	name => $name,
		3258	%{ $info->{meta} || {} },
		3259	});
		3260
		3261	$data = pack "(w/a*)*", $meta, $info->{data};
		3262	} else {
		3263	$data = $info->{data};
		3264	}
		3265
		3266	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3267	cf::face::set_type $idx, $info->{type};
		3268	} else {
		3269	$RESOURCE{$name} = $info;
		3270	}
		3271
		3272	cf::cede_to_tick;
		3273	}
		3274	}
		3275
		3276	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3277
		3278	1
		3279	}
		3280
		3281	cf::global->attach (on_resource_update => sub {
		3282	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3283	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3284
		3285	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3286	my $sound = $soundconf->{compat}[$_]
		3287	or next;
		3288
		3289	my $face = cf::face::find "sound/$sound->[1]";
		3290	cf::sound::set $sound->[0] => $face;
		3291	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3292	}
		3293
		3294	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3295	my $face = cf::face::find "sound/$v";
		3296	cf::sound::set $k => $face;
		3297	}
		3298	}
		3299	});
		3300
		3301	register_exticmd fx_want => sub {
		3302	my ($ns, $want) = @_;
		3303
		3304	while (my ($k, $v) = each %$want) {
		3305	$ns->fx_want ($k, $v);
		3306	}
		3307	};
		3308
		3309	sub reload_regions {
		3310	# HACK to clear player env face cache, we need some signal framework
		3311	# for this (global event?)
		3312	%ext::player_env::MUSIC_FACE_CACHE = ();
		3313
		3314	load_resource_file "$MAPDIR/regions"
		3315	or die "unable to load regions file\n";
		3316
		3317	for (cf::region::list) {
		3318	$_->{match} = qr/$_->{match}/
		3319	if exists $_->{match};
		3320	}
		3321	}
		3322
		3323	sub reload_facedata {
		3324	load_facedata "$DATADIR/facedata"
		3325	or die "unable to load facedata\n";
		3326	}
		3327
		3328	sub reload_archetypes {
		3329	load_resource_file "$DATADIR/archetypes"
		3330	or die "unable to load archetypes\n";
		3331	#d# NEED to laod twice to resolve forward references
		3332	# this really needs to be done in an extra post-pass
		3333	# (which needs to be synchronous, so solve it differently)
		3334	load_resource_file "$DATADIR/archetypes"
		3335	or die "unable to load archetypes\n";
		3336	}
		3337
		3338	sub reload_treasures {
		3339	load_resource_file "$DATADIR/treasures"
		3340	or die "unable to load treasurelists\n";
		3341	}
		3342
		3343	sub reload_resources {
		3344	warn "reloading resource files...\n";
		3345
		3346	reload_regions;
		3347	reload_facedata;
		3348	#reload_archetypes;#d#
		3349	reload_archetypes;
		3350	reload_treasures;
		3351
		3352	warn "finished reloading resource files\n";
		3353	}
		3354
		3355	sub init {
		3356	reload_resources;
		3357	}
		3358
		3359	sub reload_config {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3360	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3361	or return;
2280		3362
2281	local $/;	3363	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3364	*CFG = YAML::Load <$fh>;
2283		3365
2284	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3366	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2285		3367
2286	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3368	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2287	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3369	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2298	sub main {	3380	sub main {
2299	# we must not ever block the main coroutine	3381	# we must not ever block the main coroutine
2300	local $Coro::idle = sub {	3382	local $Coro::idle = sub {
2301	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3383	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2302	(async {	3384	(async {
2303	Event::one_event;	3385	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3386	EV::loop EV::LOOP_ONESHOT;
2304	})->prio (Coro::PRIO_MAX);	3387	})->prio (Coro::PRIO_MAX);
2305	};	3388	};
2306		3389
2307	cfg_load;	3390	reload_config;
2308	db_load;	3391	db_init;
2309	load_extensions;	3392	load_extensions;
2310		3393
2311	$TICK_WATCHER->start;	3394	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3395	evthread_start IO::AIO::poll_fileno;
2312	Event::loop;	3396	EV::loop;
2313	}	3397	}
2314		3398
2315	#############################################################################	3399	#############################################################################
2316	# initialisation and cleanup	3400	# initialisation and cleanup
2317		3401
2318	# install some emergency cleanup handlers	3402	# install some emergency cleanup handlers
2319	BEGIN {	3403	BEGIN {
		3404	our %SIGWATCHER = ();
2320	for my $signal (qw(INT HUP TERM)) {	3405	for my $signal (qw(INT HUP TERM)) {
2321	Event->signal (	3406	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2322	reentrant => 0,
2323	data => WF_AUTOCANCEL,
2324	signal => $signal,
2325	prio => 0,
2326	cb => sub {
2327	cf::cleanup "SIG$signal";	3407	cf::cleanup "SIG$signal";
2328	},
2329	);	3408	};
		3409	}
		3410	}
		3411
		3412	sub write_runtime_sync {
		3413	my $runtime = "$LOCALDIR/runtime";
		3414
		3415	# first touch the runtime file to show we are still running:
		3416	# the fsync below can take a very very long time.
		3417
		3418	IO::AIO::aio_utime $runtime, undef, undef;
		3419
		3420	my $guard = cf::lock_acquire "write_runtime";
		3421
		3422	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3423	or return;
		3424
		3425	my $value = $cf::RUNTIME + 90 + 10;
		3426	# 10 is the runtime save interval, for a monotonic clock
		3427	# 60 allows for the watchdog to kill the server.
		3428
		3429	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3430	and return;
		3431
		3432	# always fsync - this file is important
		3433	aio_fsync $fh
		3434	and return;
		3435
		3436	# touch it again to show we are up-to-date
		3437	aio_utime $fh, undef, undef;
		3438
		3439	close $fh
		3440	or return;
		3441
		3442	aio_rename "$runtime~", $runtime
		3443	and return;
		3444
		3445	warn "runtime file written.\n";
		3446
2330	}	3447	1
		3448	}
		3449
		3450	our $uuid_lock;
		3451	our $uuid_skip;
		3452
		3453	sub write_uuid_sync($) {
		3454	$uuid_skip ||= $_[0];
		3455
		3456	return if $uuid_lock;
		3457	local $uuid_lock = 1;
		3458
		3459	my $uuid = "$LOCALDIR/uuid";
		3460
		3461	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3462	or return;
		3463
		3464	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3465	$uuid_skip = 0;
		3466
		3467	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3468	and return;
		3469
		3470	# always fsync - this file is important
		3471	aio_fsync $fh
		3472	and return;
		3473
		3474	close $fh
		3475	or return;
		3476
		3477	aio_rename "$uuid~", $uuid
		3478	and return;
		3479
		3480	warn "uuid file written ($value).\n";
		3481
		3482	1
		3483
		3484	}
		3485
		3486	sub write_uuid($$) {
		3487	my ($skip, $sync) = @_;
		3488
		3489	$sync ? write_uuid_sync $skip
		3490	: async { write_uuid_sync $skip };
2331	}	3491	}
2332		3492
2333	sub emergency_save() {	3493	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3494	my $freeze_guard = cf::freeze_mainloop;
2335		3495
…		…
2341	# and maps saved/destroyed asynchronously.	3501	# and maps saved/destroyed asynchronously.
2342	warn "begin emergency player save\n";	3502	warn "begin emergency player save\n";
2343	for my $login (keys %cf::PLAYER) {	3503	for my $login (keys %cf::PLAYER) {
2344	my $pl = $cf::PLAYER{$login} or next;	3504	my $pl = $cf::PLAYER{$login} or next;
2345	$pl->valid or next;	3505	$pl->valid or next;
		3506	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2346	$pl->save;	3507	$pl->save;
2347	}	3508	}
2348	warn "end emergency player save\n";	3509	warn "end emergency player save\n";
2349		3510
2350	warn "begin emergency map save\n";	3511	warn "begin emergency map save\n";
…		…
2352	my $map = $cf::MAP{$path} or next;	3513	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3514	$map->valid or next;
2354	$map->save;	3515	$map->save;
2355	}	3516	}
2356	warn "end emergency map save\n";	3517	warn "end emergency map save\n";
		3518
		3519	warn "begin emergency database checkpoint\n";
		3520	BDB::db_env_txn_checkpoint $DB_ENV;
		3521	warn "end emergency database checkpoint\n";
		3522
		3523	warn "begin write uuid\n";
		3524	write_uuid_sync 1;
		3525	warn "end write uuid\n";
2357	};	3526	};
2358		3527
2359	warn "leave emergency perl save\n";	3528	warn "leave emergency perl save\n";
2360	}	3529	}
2361		3530
		3531	sub post_cleanup {
		3532	my ($make_core) = @_;
		3533
		3534	warn Carp::longmess "post_cleanup backtrace"
		3535	if $make_core;
		3536	}
		3537
2362	sub reload() {	3538	sub do_reload_perl() {
2363	# can/must only be called in main	3539	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3540	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3541	warn "can only reload from main coroutine";
2366	return;	3542	return;
2367	}	3543	}
2368		3544
2369	warn "reloading...";	3545	warn "reloading...";
2370		3546
2371	warn "cancelling server ticker";	3547	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3548
		3549	cf::sync_job {
		3550	cf::write_runtime_sync; # external watchdog should not bark
2374	cf::emergency_save;	3551	cf::emergency_save;
		3552	cf::write_runtime_sync; # external watchdog should not bark
2375		3553
2376	eval {	3554	warn "syncing database to disk";
		3555	BDB::db_env_txn_checkpoint $DB_ENV;
		3556
2377	# if anything goes wrong in here, we should simply crash as we already saved	3557	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381
2382	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}
2386		3558
2387	warn "flushing outstanding aio requests";	3559	warn "flushing outstanding aio requests";
2388	for (;;) {	3560	for (;;) {
		3561	BDB::flush;
2389	IO::AIO::flush;	3562	IO::AIO::flush;
2390	Coro::cede;	3563	Coro::cede_notself;
2391	last unless IO::AIO::nreqs;	3564	last unless IO::AIO::nreqs || BDB::nreqs;
2392	warn "iterate...";	3565	warn "iterate...";
2393	}	3566	}
		3567
		3568	++$RELOAD;
2394		3569
2395	warn "cancelling all extension coros";	3570	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3571	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3572	%EXT_CORO = ();
2398		3573
2399	warn "removing commands";	3574	warn "removing commands";
2400	%COMMAND = ();	3575	%COMMAND = ();
2401		3576
2402	warn "removing ext commands";	3577	warn "removing ext/exti commands";
2403	%EXTCMD = ();	3578	%EXTCMD = ();
		3579	%EXTICMD = ();
2404		3580
2405	warn "unloading/nuking all extensions";	3581	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3582	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3583	warn "... unloading $pkg";
2408		3584
…		…
2438	Symbol::delete_package "safe::$_"	3614	Symbol::delete_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3615	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3616
2441	warn "unloading cf.pm \"a bit\"";	3617	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3618	delete $INC{"cf.pm"};
		3619	delete $INC{"cf/pod.pm"};
2443		3620
2444	# don't, removes xs symbols, too,	3621	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3622	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3623	#Symbol::delete_package __PACKAGE__;
2447		3624
…		…
2450	warn "reloading cf.pm";	3627	warn "reloading cf.pm";
2451	require cf;	3628	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3629	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3630
2454	warn "loading config and database again";	3631	warn "loading config and database again";
2455	cf::cfg_load;	3632	cf::reload_config;
2456	cf::db_load;
2457		3633
2458	warn "loading extensions";	3634	warn "loading extensions";
2459	cf::load_extensions;	3635	cf::load_extensions;
2460		3636
2461	warn "reattaching attachments to objects/players";	3637	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3638	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3639	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3640	reattach $_ for values %MAP;
		3641	warn "reattaching attachments to players";
		3642	reattach $_ for values %PLAYER;
2465		3643
2466	warn "restarting server ticker";	3644	warn "leaving sync_job";
2467		3645
2468	$TICK_WATCHER->start;	3646	1
		3647	} or do {
		3648	warn $@;
		3649	cf::cleanup "error while reloading, exiting.";
2469	};	3650	};
2470
2471	if ($@) {
2472	warn $@;
2473	warn "error while reloading, exiting.";
2474	exit 1;
2475	}
2476		3651
2477	warn "reloaded";	3652	warn "reloaded";
2478	};	3653	};
2479		3654
2480	our $RELOAD_WATCHER; # used only during reload	3655	our $RELOAD_WATCHER; # used only during reload
2481		3656
		3657	sub reload_perl() {
		3658	# doing reload synchronously and two reloads happen back-to-back,
		3659	# coro crashes during coro_state_free->destroy here.
		3660
		3661	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3662	do_reload_perl;
		3663	undef $RELOAD_WATCHER;
		3664	};
		3665	}
		3666
2482	register_command "reload" => sub {	3667	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3668	my ($who, $arg) = @_;
2484		3669
2485	if ($who->flag (FLAG_WIZ)) {	3670	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3671	$who->message ("reloading server.");
2487		3672	async {
2488	# doing reload synchronously and two reloads happen back-to-back,	3673	$Coro::current->{desc} = "perl_reload";
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;	3674	reload_perl;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);	3675	};
2500	}	3676	}
2501	};	3677	};
2502		3678
2503	unshift @INC, $LIBDIR;	3679	unshift @INC, $LIBDIR;
2504		3680
2505	my $bug_warning = 0;	3681	my $bug_warning = 0;
2506		3682
2507	$TICK_WATCHER = Event->timer (	3683	our @WAIT_FOR_TICK;
2508	reentrant => 0,	3684	our @WAIT_FOR_TICK_BEGIN;
2509	parked => 1,	3685
2510	prio => 0,	3686	sub wait_for_tick {
2511	at => $NEXT_TICK || $TICK,	3687	return if tick_inhibit;
2512	data => WF_AUTOCANCEL,	3688	return if $Coro::current == $Coro::main;
2513	cb => sub {	3689
		3690	my $signal = new Coro::Signal;
		3691	push @WAIT_FOR_TICK, $signal;
		3692	$signal->wait;
		3693	}
		3694
		3695	sub wait_for_tick_begin {
		3696	return if tick_inhibit;
		3697	return if $Coro::current == $Coro::main;
		3698
		3699	my $signal = new Coro::Signal;
		3700	push @WAIT_FOR_TICK_BEGIN, $signal;
		3701	$signal->wait;
		3702	}
		3703
		3704	sub tick {
2514	if ($Coro::current != $Coro::main) {	3705	if ($Coro::current != $Coro::main) {
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3706	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3707	unless ++$bug_warning > 10;
2517	return;	3708	return;
2518	}	3709	}
2519		3710
2520	$NOW = Event::time;
2521
2522	cf::server_tick; # one server iteration	3711	cf::server_tick; # one server iteration
2523	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;
2525		3712
2526	$WAIT_FOR_TICK->broadcast;	3713	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3714	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2528		3715	Coro::async_pool {
2529	Event::sweep;	3716	$Coro::current->{desc} = "runtime saver";
2530	Coro::cede_notself;
2531
2532	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#
2534
2535	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2537
2538	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;
2540	},
2541	);
2542
2543	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,
2548	fd => IO::AIO::poll_fileno,
2549	poll => 'r',
2550	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,
2553	);
2554
2555	$WRITE_RUNTIME_WATCHER = Event->timer (
2556	reentrant => 0,
2557	data => WF_AUTOCANCEL,
2558	after => 1,
2559	interval => 10,
2560	prio => 6, # keep it lowest so it acts like a watchdog
2561	cb => Coro::unblock_sub {
2562	write_runtime	3717	write_runtime_sync
2563	or warn "ERROR: unable to write runtime file: $!";	3718	or warn "ERROR: unable to write runtime file: $!";
		3719	};
2564	},	3720	}
2565	);	3721
		3722	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3723	$sig->send;
		3724	}
		3725	while (my $sig = shift @WAIT_FOR_TICK) {
		3726	$sig->send;
		3727	}
		3728
		3729	$LOAD = ($NOW - $TICK_START) / $TICK;
		3730	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3731
		3732	if (0) {
		3733	if ($NEXT_TICK) {
		3734	my $jitter = $TICK_START - $NEXT_TICK;
		3735	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3736	warn "jitter $JITTER\n";#d#
		3737	}
		3738	}
		3739	}
		3740
		3741	{
		3742	# configure BDB
		3743
		3744	BDB::min_parallel 8;
		3745	BDB::max_poll_reqs $TICK * 0.1;
		3746	$Coro::BDB::WATCHER->priority (1);
		3747
		3748	unless ($DB_ENV) {
		3749	$DB_ENV = BDB::db_env_create;
		3750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3751	| BDB::LOG_AUTOREMOVE, 1);
		3752	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3753	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3754
		3755	cf::sync_job {
		3756	eval {
		3757	BDB::db_env_open
		3758	$DB_ENV,
		3759	$BDBDIR,
		3760	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3761	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3762	0666;
		3763
		3764	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3765	};
		3766
		3767	cf::cleanup "db_env_open(db): $@" if $@;
		3768	};
		3769	}
		3770
		3771	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3772	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3773	};
		3774	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3775	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3776	};
		3777	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3778	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3779	};
		3780	}
		3781
		3782	{
		3783	# configure IO::AIO
		3784
		3785	IO::AIO::min_parallel 8;
		3786	IO::AIO::max_poll_time $TICK * 0.1;
		3787	$Coro::AIO::WATCHER->priority (1);
		3788	}
		3789
		3790	my $_log_backtrace;
		3791
		3792	sub _log_backtrace {
		3793	my ($msg, @addr) = @_;
		3794
		3795	$msg =~ s/\n//;
		3796
		3797	# limit the # of concurrent backtraces
		3798	if ($_log_backtrace < 2) {
		3799	++$_log_backtrace;
		3800	async {
		3801	$Coro::current->{desc} = "abt $msg";
		3802
		3803	my @bt = fork_call {
		3804	@addr = map { sprintf "%x", $_ } @addr;
		3805	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3806	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3807	or die "addr2line: $!";
		3808
		3809	my @funcs;
		3810	my @res = <$fh>;
		3811	chomp for @res;
		3812	while (@res) {
		3813	my ($func, $line) = splice @res, 0, 2, ();
		3814	push @funcs, "[$func] $line";
		3815	}
		3816
		3817	@funcs
		3818	};
		3819
		3820	LOG llevInfo, "[ABT] $msg\n";
		3821	LOG llevInfo, "[ABT] $_\n" for @bt;
		3822	--$_log_backtrace;
		3823	};
		3824	} else {
		3825	LOG llevInfo, "[ABT] $msg\n";
		3826	LOG llevInfo, "[ABT] [suppressed]\n";
		3827	}
		3828	}
		3829
		3830	# load additional modules
		3831	use cf::pod;
2566		3832
2567	END { cf::emergency_save }	3833	END { cf::emergency_save }
2568		3834
2569	1	3835	1
2570		3836

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