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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.426 by root, Thu Apr 24 04:40:31 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 ();
20	use BDB ();	49	use BDB ();
21	use Data::Dumper;	50	use Data::Dumper;
22	use Digest::MD5;	51	use Digest::MD5;
23	use Fcntl;	52	use Fcntl;
		53	use YAML ();
24	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
25	use YAML::Syck ();
26	use Time::HiRes;	55	use Time::HiRes;
27	use Compress::LZF;	56	use Compress::LZF;
		57	use Digest::MD5 ();
28		58
		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		64
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32		66
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;
37
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		68
40	our %COMMAND = ();	69	our %COMMAND = ();
41	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
42		71
43	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
47		77
		78	our $RELOAD; # number of reloads so far
48	our @EVENT;	79	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		80
51	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
52	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(!)
53	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	97	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		99
59	our $BDB_POLL_WATCHER;	100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	104	our $DB_ENV;
61		105
62	our %CFG;	106	our %CFG;
63		107
64	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
66		111
67	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		115
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $TICK_START; # for load detecting purposes
		123
79	binmode STDOUT;	124	binmode STDOUT;
80	binmode STDERR;	125	binmode STDERR;
81		126
82	# read virtual server time, if available	127	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
87	}	132	}
88		133
89	mkdir cf::localdir;	134	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		136
96	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
97		138
98	sub cf::map::normalise;	139	sub cf::map::normalise;
99		140
…		…
110	=item $cf::RUNTIME	151	=item $cf::RUNTIME
111		152
112	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
113	every server tick.	154	every server tick.
114		155
115	=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
116		159
117	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		164
120	=item $cf::NOW	165	=item $cf::NOW
121		166
122	The time of the last (current) server tick.	167	The time of the last (current) server tick.
123		168
124	=item $cf::TICK	169	=item $cf::TICK
125		170
126	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
127		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
128	=item %cf::CFG	183	=item %cf::CFG
129		184
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	186	from wherever your confdir points to.
132		187
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		189
135	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
136	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
137	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.
138	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.
139		199
140	=back	200	=back
141		201
142	=cut	202	=cut
143		203
144	BEGIN {	204	BEGIN {
145	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	206	my $msg = join "", @_;
147	utf8::encode $msg;
148		207
149	$msg .= "\n"	208	$msg .= "\n"
150	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
151		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
152	LOG llevError, $msg;	213	LOG llevError, $msg;
153	};	214	};
154	}	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#?
155		231
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		239
163	# 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
164	# within the Safe compartment.	241	# within the Safe compartment.
165	for my $pkg (qw(	242	for my $pkg (qw(
166	cf::global cf::attachable	243	cf::global cf::attachable
…		…
171	)) {	248	)) {
172	no strict 'refs';	249	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	251	}
175		252
176	$Event::DIED = sub {	253	$EV::DIED = sub {
177	warn "error in event callback: @_";	254	warn "error in event callback: @_";
178	};	255	};
		256
		257	#############################################################################
179		258
180	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
181		260
182	=over 4	261	=over 4
183		262
…		…
202	$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;
203	$d	282	$d
204	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
205	}	284	}
206		285
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
210		287
211	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
212		289
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
221		291
222	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
223		293
224	=cut	294	=cut
225		295
226	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
228	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
230		300
231	=item cf::lock_wait $string	301	=item cf::lock_wait $string
232		302
233	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
234		304
…		…
237	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
238	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,
239	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
240	returned.	310	returned.
241		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
242	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
243	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
244		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
245	=cut	322	=cut
246		323
247	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
248		326
249	sub lock_wait($) {	327	sub lock_wait($) {
250	my ($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#
251		334
252	# wait for lock, if any	335	# wait for lock, if any
253	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	338	Coro::schedule;
…		…
261		344
262	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
263	lock_wait $key;	346	lock_wait $key;
264		347
265	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
266		350
267	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
270	}	355	}
271	}	356	}
272		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
273	sub freeze_mainloop {	364	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
275		366
276	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
277	$TICK_WATCHER->start;	368	}
		369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
278	};	428	}
279	$TICK_WATCHER->stop;	429	};
280	$guard	430
		431	sub get_slot($;$$) {
		432	return if tick_inhibit || $Coro::current == $Coro::main;
		433
		434	my ($time, $pri, $name) = @_;
		435
		436	$time = $TICK * .6 if $time > $TICK * .6;
		437	my $sig = new Coro::Signal;
		438
		439	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		440	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		441	$SLOT_QUEUE->ready;
		442	$sig->wait;
281	}	443	}
282		444
283	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
284		446
285	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
290		452
291	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
292		454
293	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
294		456
295	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
296	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
297	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
298		461
299	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
300	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
301	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
302	fast or be very important.	465	fast or be very important.
…		…
305		468
306	sub sync_job(&) {	469	sub sync_job(&) {
307	my ($job) = @_;	470	my ($job) = @_;
308		471
309	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
310	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
312		477
313	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
314	# (but this is cancel-safe)	479
315	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
316		481
317	my $busy = 1;	482	my $busy = 1;
318	my @res;	483	my @res;
319		484
320	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
321	@res = eval { $job->() };	487	@res = eval { $job->() };
322	warn $@ if $@;	488	warn $@ if $@;
323	undef $busy;	489	undef $busy;
324	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
325		491
326	while ($busy) {	492	while ($busy) {
327	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
328	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
329		503
330	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
331	} else {	505	} else {
332	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
333		507
…		…
353	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
354		528
355	$coro	529	$coro
356	}	530	}
357		531
358	sub write_runtime {	532	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		533
361	my $runtime = cf::localdir . "/runtime";	534	Executes the given code block with the given arguments in a seperate
		535	process, returning the results. Everything must be serialisable with
		536	Coro::Storable. May, of course, block. Note that the executed sub may
		537	never block itself or use any form of event handling.
362		538
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	539	=cut
364	or return;
365		540
366	my $value = $cf::RUNTIME + 90 + 10;	541	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	542	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		543
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	# we seemingly have to make a local copy of the whole thing,
371	and return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
372		547
373	# always fsync - this file is important	548	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	549	reset_signals;
375	and return;	550	&$cb
		551	}, @args;
376		552
377	close $fh	553	wantarray ? @res : $res[-1]
378	or return;	554	}
379		555
380	aio_rename "$runtime~", $runtime	556	=item $coin = coin_from_name $name
381	and return;
382		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		578	$coin_alias{$_[0]}
		579	? cf::arch::find $coin_alias{$_[0]}
		580	: undef
		581	}
		582
		583	=item $value = cf::db_get $family => $key
		584
		585	Returns a single value from the environment database.
		586
		587	=item cf::db_put $family => $key => $value
		588
		589	Stores the given C<$value> in the family. It can currently store binary
		590	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		591
		592	=item $db = cf::db_table "name"
		593
		594	Create and/or open a new database table. The string must not be "db" and must be unique
		595	within each server.
		596
		597	=cut
		598
		599	sub db_table($) {
		600	my ($name) = @_;
		601	my $db = BDB::db_create $DB_ENV;
		602
		603	eval {
		604	$db->set_flags (BDB::CHKSUM);
		605
		606	utf8::encode $name;
		607	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		608	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		609	cf::cleanup "db_open(db): $!" if $!;
		610	};
		611	cf::cleanup "db_open(db): $@" if $@;
		612
		613	$db
		614	}
		615
		616	our $DB;
		617
		618	sub db_init {
		619	cf::sync_job {
		620	$DB ||= db_table "db";
		621	};
		622	}
		623
		624	sub db_get($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
383	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		636	BDB::dbreq_pri 4;
		637	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		638	}
		639
		640	=item cf::cache $id => [$paths...], $processversion => $process
		641
		642	Generic caching function that returns the value of the resource $id,
		643	caching and regenerating as required.
		644
		645	This function can block.
		646
		647	=cut
		648
		649	sub cache {
		650	my ($id, $src, $processversion, $process) = @_;
		651
		652	my $meta =
		653	join "\x00",
		654	$processversion,
		655	map {
		656	aio_stat $_
		657	and Carp::croak "$_: $!";
		658
		659	($_, (stat _)[7,9])
		660	} @$src;
		661
		662	my $dbmeta = db_get cache => "$id/meta";
		663	if ($dbmeta ne $meta) {
		664	# changed, we may need to process
		665
		666	my @data;
		667	my $md5;
		668
		669	for (0 .. $#$src) {
		670	0 <= aio_load $src->[$_], $data[$_]
		671	or Carp::croak "$src->[$_]: $!";
		672	}
		673
		674	# if processing is expensive, check
		675	# checksum first
		676	if (1) {
		677	$md5 =
		678	join "\x00",
		679	$processversion,
		680	map {
		681	cf::cede_to_tick;
		682	($src->[$_], Digest::MD5::md5_hex $data[$_])
		683	} 0.. $#$src;
		684
		685
		686	my $dbmd5 = db_get cache => "$id/md5";
		687	if ($dbmd5 eq $md5) {
		688	db_put cache => "$id/meta", $meta;
		689
		690	return db_get cache => "$id/data";
		691	}
		692	}
		693
		694	my $t1 = Time::HiRes::time;
		695	my $data = $process->(\@data);
		696	my $t2 = Time::HiRes::time;
		697
		698	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		699
		700	db_put cache => "$id/data", $data;
		701	db_put cache => "$id/md5" , $md5;
		702	db_put cache => "$id/meta", $meta;
		703
		704	return $data;
		705	}
		706
		707	db_get cache => "$id/data"
		708	}
		709
		710	=item cf::datalog type => key => value, ...
		711
		712	Log a datalog packet of the given type with the given key-value pairs.
		713
		714	=cut
		715
		716	sub datalog($@) {
		717	my ($type, %kv) = @_;
		718	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	719	}
385		720
386	=back	721	=back
387		722
388	=cut	723	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	730	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
397		732
398	In the following description, CLASS can be any of C<global>, C<object>	733	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	734	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	735	Deliantra).
401		736
402	=over 4	737	=over 4
403		738
404	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
405		740
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
569		904
570	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		909
575	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	911	my $pkg = shift @arg;
577		912
578	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
608	}	943	}
609		944
610	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
611	} else {	946	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	948	}
614		949
615	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
616	}	951	}
617		952
…		…
619	if (ref $_[0]) {	954	if (ref $_[0]) {
620	_object_attach @_;	955	_object_attach @_;
621	} else {	956	} else {
622	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
623	}	958	}
		959	_recalc_want;
624	};	960	};
625		961
626	# all those should be optimised	962	# all those should be optimised
627	sub cf::attachable::detach {	963	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
632	reattach ($obj);	968	reattach ($obj);
633	} else {	969	} else {
634	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
635	}	971	}
		972	_recalc_want;
636	};	973	};
637		974
638	sub cf::attachable::attached {	975	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
640		977
…		…
655	";	992	";
656	die if $@;	993	die if $@;
657	}	994	}
658		995
659	our $override;	996	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	997	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		998
662	sub override {	999	sub override {
663	$override = 1;	1000	$override = 1;
664	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
665	}	1002	}
666		1003
667	sub do_invoke {	1004	sub do_invoke {
668	my $event = shift;	1005	my $event = shift;
669	my $callbacks = shift;	1006	my $callbacks = shift;
670		1007
671	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
672		1009
673	local $override;	1010	local $override;
674		1011
675	for (@$callbacks) {	1012	for (@$callbacks) {
676	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
685	}	1022	}
686		1023
687	0	1024	0
688	}	1025	}
689		1026
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		1028
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		1030
694	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
695		1032
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1033	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	1034	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		1036
700	=back	1037	=back
701		1038
702	=cut	1039	=cut
703		1040
704	#############################################################################	1041	#############################################################################
705	# object support	1042	# object support
		1043
		1044	sub _object_equal($$);
		1045	sub _object_equal($$) {
		1046	my ($a, $b) = @_;
		1047
		1048	return 0 unless (ref $a) eq (ref $b);
		1049
		1050	if ("HASH" eq ref $a) {
		1051	my @ka = keys %$a;
		1052	my @kb = keys %$b;
		1053
		1054	return 0 if @ka != @kb;
		1055
		1056	for (0 .. $#ka) {
		1057	return 0 unless $ka[$_] eq $kb[$_];
		1058	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1059	}
		1060
		1061	} elsif ("ARRAY" eq ref $a) {
		1062
		1063	return 0 if @$a != @$b;
		1064
		1065	for (0 .. $#$a) {
		1066	return 0 unless _object_equal $a->[$_], $b->[$_];
		1067	}
		1068
		1069	} elsif ($a ne $b) {
		1070	return 0;
		1071	}
		1072
		1073	1
		1074	}
		1075
		1076	our $SLOW_MERGES;#d#
		1077	sub _can_merge {
		1078	my ($ob1, $ob2) = @_;
		1079
		1080	++$SLOW_MERGES;#d#
		1081
		1082	# we do the slow way here
		1083	return _object_equal $ob1, $ob2
		1084	}
706		1085
707	sub reattach {	1086	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1088	my ($obj) = @_;
710		1089
…		…
731	cf::attachable->attach (	1110	cf::attachable->attach (
732	prio => -1000000,	1111	prio => -1000000,
733	on_instantiate => sub {	1112	on_instantiate => sub {
734	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
735		1114
736	$data = from_json $data;	1115	$data = decode_json $data;
737		1116
738	for (@$data) {	1117	for (@$data) {
739	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
740		1119
741	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1136	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
759		1138
760	sync_job {	1139	sync_job {
761	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
764		1144
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1146	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1148	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1149	close $fh;
770		1150
771	if (@$objs) {	1151	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1152	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1153	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1156	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1157	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
779	}	1159	}
…		…
787	}	1167	}
788	} else {	1168	} else {
789	aio_unlink $filename;	1169	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
791	}	1171	}
792	}	1172	};
793	}	1173	}
794		1174
795	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
796	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
797		1177
…		…
809	or return;	1189	or return;
810		1190
811	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
813	or return;	1193	or return;
		1194
814	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
815	}	1197	}
816		1198
		1199	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
819	return ($data, $av);	1203	($data, $av)
820	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
821		1211
822	#############################################################################	1212	#############################################################################
823	# command handling &c	1213	# command handling &c
824		1214
825	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1229	}
840		1230
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1232
843	Register a callbackf ro execution when the client sends an extcmd packet.	1233	Register a callback for execution when the client sends an (synchronous)
		1234	extcmd packet. Ext commands will be processed in the order they are
		1235	received by the server, like other user commands. The first argument is
		1236	the logged-in player. Ext commands can only be processed after a player
		1237	has logged in successfully.
844		1238
845	If the callback returns something, it is sent back as if reply was being	1239	If the callback returns something, it is sent back as if reply was being
846	called.	1240	called.
847		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
848	=cut	1253	=cut
849		1254
850	sub register_extcmd {	1255	sub register_extcmd {
851	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
852		1257
853	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
854	}	1265	}
855		1266
856	cf::player->attach (	1267	cf::player->attach (
857	on_command => sub {	1268	on_command => sub {
858	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1278	cf::override;
868	},	1279	},
869	on_extcmd => sub {	1280	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
871		1282
872	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1284
874	if (ref $msg) {	1285	if (ref $msg) {
		1286	my ($type, $reply, @payload) =
		1287	"ARRAY" eq ref $msg
		1288	? @$msg
		1289	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1290
		1291	my @reply;
		1292
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
880	} else {	1300	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1302	}
883		1303
884	cf::override;	1304	cf::override;
885	},	1305	},
886	);	1306	);
887		1307
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
923	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1313	next unless -r $path;
925	eval {	1314
926	load_extension $ext;	1315	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1316	my $base = $1;
		1317	my $pkg = $1;
		1318	$pkg =~ s/[^[:word:]]/_/g;
		1319	$pkg = "ext::$pkg";
		1320
		1321	open my $fh, "<:utf8", $path
		1322	or die "$path: $!";
		1323
		1324	my $source = do { local $/; <$fh> };
		1325
		1326	my %ext = (
		1327	path => $path,
		1328	base => $base,
		1329	pkg => $pkg,
		1330	);
		1331
		1332	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1333	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1334
		1335	$ext{source} =
		1336	"package $pkg; use strict; use utf8;\n"
		1337	. "#line 1 \"$path\"\n{\n"
		1338	. $source
		1339	. "\n};\n1";
		1340
		1341	$todo{$base} = \%ext;
		1342	}
		1343
		1344	my %done;
		1345	while (%todo) {
		1346	my $progress;
		1347
		1348	while (my ($k, $v) = each %todo) {
		1349	for (split /,\s*/, $v->{meta}{depends}) {
		1350	goto skip
		1351	unless exists $done{$_};
		1352	}
		1353
		1354	warn "... loading '$k' into '$v->{pkg}'\n";
		1355
		1356	unless (eval $v->{source}) {
		1357	my $msg = $@ ? "$v->{path}: $@\n"
		1358	: "$v->{base}: extension inactive.\n";
		1359
		1360	if (exists $v->{meta}{mandatory}) {
		1361	warn $msg;
		1362	cf::cleanup "mandatory extension failed to load, exiting.";
		1363	}
		1364
		1365	warn $msg;
		1366	}
		1367
		1368	$done{$k} = delete $todo{$k};
		1369	push @EXTS, $v->{pkg};
		1370	$progress = 1;
927	1	1371	}
928	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
929	}	1377	};
930	}	1378	}
931		1379
932	#############################################################################	1380	#############################################################################
933		1381
		1382	=back
		1383
934	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
935		1385
936	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
937		1387
938	=cut	1388	=cut
…		…
943		1393
944	=head3 cf::player	1394	=head3 cf::player
945		1395
946	=over 4	1396	=over 4
947		1397
		1398	=item cf::player::num_playing
		1399
		1400	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1401
		1402	=cut
		1403
		1404	sub num_playing {
		1405	scalar grep
		1406	$_->ob->map
		1407	&& !$_->hidden
		1408	&& !$_->ob->flag (cf::FLAG_WIZ),
		1409	cf::player::list
		1410	}
		1411
948	=item cf::player::find $login	1412	=item cf::player::find $login
949		1413
950	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
951		1415
952	=cut	1416	=cut
953		1417
954	sub playerdir($) {	1418	sub playerdir($) {
955	cf::localdir	1419	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1421	}
961		1422
962	sub path($) {	1423	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1425
965	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
966	}	1427	}
967		1428
968	sub find_active($) {	1429	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1444	my $login = $_[0];
984		1445
985	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
986		1447
987	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1449	# rename old playerfiles to new ones
		1450	#TODO: remove when no longer required
		1451	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1452	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1453	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1454	aio_unlink +(playerdir $login) . "/$login.pl";
		1455
		1456	my $f = new_from_file cf::object::thawer path $login
989	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461	local $cf::PLAYER_LOADING{$login} = $pl;
		1462	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1463	$cf::PLAYER{$login} = $pl
991	}	1464	}
992	}	1465	}
993	}	1466	}
994		1467
…		…
1003	return if $pl->{deny_save};	1476	return if $pl->{deny_save};
1004		1477
1005	aio_mkdir playerdir $pl, 0770;	1478	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1479	$pl->{last_save} = $cf::RUNTIME;
1007		1480
		1481	cf::get_slot 0.01;
		1482
1008	$pl->save_pl ($path);	1483	$pl->save_pl ($path);
1009	Coro::cede;	1484	cf::cede_to_tick;
1010	}	1485	}
1011		1486
1012	sub new($) {	1487	sub new($) {
1013	my ($login) = @_;	1488	my ($login) = @_;
1014		1489
…		…
1018	$self->{deny_save} = 1;	1493	$self->{deny_save} = 1;
1019		1494
1020	$cf::PLAYER{$login} = $self;	1495	$cf::PLAYER{$login} = $self;
1021		1496
1022	$self	1497	$self
		1498	}
		1499
		1500	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1501
		1502	=cut
		1503
		1504	sub send_msg {
		1505	my $ns = shift->ns
		1506	or return;
		1507	$ns->send_msg (@_);
1023	}	1508	}
1024		1509
1025	=item $pl->quit_character	1510	=item $pl->quit_character
1026		1511
1027	Nukes the player without looking back. If logged in, the connection will	1512	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1561	while and may block, so not sync_job-capable, ever.
1077		1562
1078	=cut	1563	=cut
1079		1564
1080	sub list_logins {	1565	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1566	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1567	or return [];
1083		1568
1084	my @logins;	1569	my @logins;
1085		1570
1086	for my $login (@$dirs) {	1571	for my $login (@$dirs) {
		1572	my $path = path $login;
		1573
		1574	# a .pst is a dead give-away for a valid player
		1575	unless (-e "$path.pst") {
1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1576	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1088	aio_read $fh, 0, 512, my $buf, 0 or next;	1577	aio_read $fh, 0, 512, my $buf, 0 or next;
1089	$buf !~ /^password -------------$/m or next; # official not-valid tag	1578	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1579	}
1090		1580
1091	utf8::decode $login;	1581	utf8::decode $login;
1092	push @logins, $login;	1582	push @logins, $login;
1093	}	1583	}
1094		1584
…		…
1121	}	1611	}
1122		1612
1123	\@paths	1613	\@paths
1124	}	1614	}
1125		1615
		1616	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1617
		1618	Expand crossfire pod fragments into protocol xml.
		1619
		1620	=cut
		1621
		1622	use re 'eval';
		1623
		1624	my $group;
		1625	my $interior; $interior = qr{
		1626	# match a pod interior sequence sans C<< >>
		1627	(?:
		1628	\ (.*?)\ (?{ $group = $^N })
		1629	| < (??{$interior}) >
		1630	)
		1631	}x;
		1632
		1633	sub expand_cfpod {
		1634	my ($self, $pod) = @_;
		1635
		1636	my $xml;
		1637
		1638	while () {
		1639	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1640	$group = $1;
		1641
		1642	$group =~ s/&/&amp;/g;
		1643	$group =~ s/</&lt;/g;
		1644
		1645	$xml .= $group;
		1646	} elsif ($pod =~ m%\G
		1647	([BCGHITU])
		1648	<
		1649	(?:
		1650	([^<>]*) (?{ $group = $^N })
		1651	| < $interior >
		1652	)
		1653	>
		1654	%gcsx
		1655	) {
		1656	my ($code, $data) = ($1, $group);
		1657
		1658	if ($code eq "B") {
		1659	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1660	} elsif ($code eq "I") {
		1661	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1662	} elsif ($code eq "U") {
		1663	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1664	} elsif ($code eq "C") {
		1665	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1666	} elsif ($code eq "T") {
		1667	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1668	} elsif ($code eq "G") {
		1669	my ($male, $female) = split /\|/, $data;
		1670	$data = $self->gender ? $female : $male;
		1671	$xml .= expand_cfpod ($self, $data);
		1672	} elsif ($code eq "H") {
		1673	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1674	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1675	"")
		1676	[$self->{hintmode}];
		1677	} else {
		1678	$xml .= "error processing '$code($data)' directive";
		1679	}
		1680	} else {
		1681	if ($pod =~ /\G(.+)/) {
		1682	warn "parse error while expanding $pod (at $1)";
		1683	}
		1684	last;
		1685	}
		1686	}
		1687
		1688	for ($xml) {
		1689	# create single paragraphs (very hackish)
		1690	s/(?<=\S)\n(?=\w)/ /g;
		1691
		1692	# compress some whitespace
		1693	s/\s+\n/\n/g; # ws line-ends
		1694	s/\n\n+/\n/g; # double lines
		1695	s/^\n+//; # beginning lines
		1696	s/\n+$//; # ending lines
		1697	}
		1698
		1699	$xml
		1700	}
		1701
		1702	no re 'eval';
		1703
		1704	sub hintmode {
		1705	$_[0]{hintmode} = $_[1] if @_ > 1;
		1706	$_[0]{hintmode}
		1707	}
		1708
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1709	=item $player->ext_reply ($msgid, @msg)
1127		1710
1128	Sends an ext reply to the player.	1711	Sends an ext reply to the player.
1129		1712
1130	=cut	1713	=cut
1131		1714
1132	sub ext_reply($$$%) {	1715	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1716	my ($self, $id, @msg) = @_;
1134		1717
1135	$msg{msgid} = $id;	1718	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1719	}
1139		1720
1140	package cf;	1721	=item $player->ext_msg ($type, @msg)
		1722
		1723	Sends an ext event to the client.
		1724
		1725	=cut
		1726
		1727	sub ext_msg($$@) {
		1728	my ($self, $type, @msg) = @_;
		1729
		1730	$self->ns->ext_msg ($type, @msg);
		1731	}
		1732
		1733	=head3 cf::region
		1734
		1735	=over 4
		1736
		1737	=cut
		1738
		1739	package cf::region;
		1740
		1741	=item cf::region::find_by_path $path
		1742
		1743	Tries to decuce the likely region for a map knowing only its path.
		1744
		1745	=cut
		1746
		1747	sub find_by_path($) {
		1748	my ($path) = @_;
		1749
		1750	my ($match, $specificity);
		1751
		1752	for my $region (list) {
		1753	if ($region->{match} && $path =~ $region->{match}) {
		1754	($match, $specificity) = ($region, $region->specificity)
		1755	if $region->specificity > $specificity;
		1756	}
		1757	}
		1758
		1759	$match
		1760	}
1141		1761
1142	=back	1762	=back
1143
1144		1763
1145	=head3 cf::map	1764	=head3 cf::map
1146		1765
1147	=over 4	1766	=over 4
1148		1767
…		…
1160	our $MAX_RESET = 3600;	1779	our $MAX_RESET = 3600;
1161	our $DEFAULT_RESET = 3000;	1780	our $DEFAULT_RESET = 3000;
1162		1781
1163	sub generate_random_map {	1782	sub generate_random_map {
1164	my ($self, $rmp) = @_;	1783	my ($self, $rmp) = @_;
		1784
		1785	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1786
1165	# mit "rum" bekleckern, nicht	1787	# mit "rum" bekleckern, nicht
1166	$self->_create_random_map (	1788	$self->_create_random_map (
1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1789	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1790	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1791	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1203	my ($self, $merge) = @_;	1825	my ($self, $merge) = @_;
1204		1826
1205	# we have to keep some variables in memory intact	1827	# we have to keep some variables in memory intact
1206	local $self->{path};	1828	local $self->{path};
1207	local $self->{load_path};	1829	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1830
1211	$self->SUPER::thawer_merge ($merge);	1831	$self->SUPER::thawer_merge ($merge);
1212	}	1832	}
1213		1833
1214	sub normalise {	1834	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1881	$self->init; # pass $1 etc.
1262	return $self;	1882	return $self;
1263	}	1883	}
1264	}	1884	}
1265		1885
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1886	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1887	()
1268	}	1888	}
1269		1889
1270	sub init {	1890	sub init {
1271	my ($self) = @_;	1891	my ($self) = @_;
…		…
1286		1906
1287	# the original (read-only) location	1907	# the original (read-only) location
1288	sub load_path {	1908	sub load_path {
1289	my ($self) = @_;	1909	my ($self) = @_;
1290		1910
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1911	"$MAPDIR/$self->{path}.map"
1292	}	1912	}
1293		1913
1294	# the temporary/swap location	1914	# the temporary/swap location
1295	sub save_path {	1915	sub save_path {
1296	my ($self) = @_;	1916	my ($self) = @_;
1297		1917
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1918	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1919	"$TMPDIR/$path.map"
1300	}	1920	}
1301		1921
1302	# the unique path, undef == no special unique path	1922	# the unique path, undef == no special unique path
1303	sub uniq_path {	1923	sub uniq_path {
1304	my ($self) = @_;	1924	my ($self) = @_;
1305		1925
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1926	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1927	"$UNIQUEDIR/$path"
1308	}	1928	}
1309		1929
1310	# and all this just because we cannot iterate over	1930	# and all this just because we cannot iterate over
1311	# all maps in C++...	1931	# all maps in C++...
1312	sub change_all_map_light {	1932	sub change_all_map_light {
…		…
1314		1934
1315	$_->change_map_light ($change)	1935	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1936	for grep $_->outdoor, values %cf::MAP;
1317	}	1937	}
1318		1938
		1939	sub decay_objects {
		1940	my ($self) = @_;
		1941
		1942	return if $self->{deny_reset};
		1943
		1944	$self->do_decay_objects;
		1945	}
		1946
1319	sub unlink_save {	1947	sub unlink_save {
1320	my ($self) = @_;	1948	my ($self) = @_;
1321		1949
1322	utf8::encode (my $save = $self->save_path);	1950	utf8::encode (my $save = $self->save_path);
1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1951	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1326		1954
1327	sub load_header_from($) {	1955	sub load_header_from($) {
1328	my ($self, $path) = @_;	1956	my ($self, $path) = @_;
1329		1957
1330	utf8::encode $path;	1958	utf8::encode $path;
1331	#aio_open $path, O_RDONLY, 0	1959	my $f = new_from_file cf::object::thawer $path
1332	# or return;
1333
1334	$self->_load_header ($path)
1335	or return;	1960	or return;
		1961
		1962	$self->_load_header ($f)
		1963	or return;
		1964
		1965	local $MAP_LOADING{$self->{path}} = $self;
		1966	$f->resolve_delayed_derefs;
1336		1967
1337	$self->{load_path} = $path;	1968	$self->{load_path} = $path;
1338		1969
1339	1	1970	1
1340	}	1971	}
…		…
1379	$self->load_header_orig	2010	$self->load_header_orig
1380	or return;	2011	or return;
1381	$self->prepare_orig;	2012	$self->prepare_orig;
1382	}	2013	}
1383		2014
		2015	$self->{deny_reset} = 1
		2016	if $self->no_reset;
		2017
		2018	$self->default_region (cf::region::find_by_path $self->{path})
		2019	unless $self->default_region;
		2020
1384	1	2021	1
1385	}	2022	}
1386		2023
1387	sub find;	2024	sub find;
1388	sub find {	2025	sub find {
1389	my ($path, $origin) = @_;	2026	my ($path, $origin) = @_;
1390		2027
1391	$path = normalise $path, $origin && $origin->path;	2028	$path = normalise $path, $origin && $origin->path;
1392		2029
		2030	cf::lock_wait "map_data:$path";#d#remove
1393	cf::lock_wait "map_find:$path";	2031	cf::lock_wait "map_find:$path";
1394		2032
1395	$cf::MAP{$path} || do {	2033	$cf::MAP{$path} || do {
1396	my $guard = cf::lock_acquire "map_find:$path";	2034	my $guard1 = cf::lock_acquire "map_find:$path";
		2035	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		2036
1397	my $map = new_from_path cf::map $path	2037	my $map = new_from_path cf::map $path
1398	or return;	2038	or return;
1399		2039
1400	$map->{last_save} = $cf::RUNTIME;	2040	$map->{last_save} = $cf::RUNTIME;
1401		2041
1402	$map->load_header	2042	$map->load_header
1403	or return;	2043	or return;
1404		2044
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	2045	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	2046	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	2047	#$cf::WAIT_FOR_TICK->wait;
		2048	undef $guard1;
		2049	undef $guard2;
1408	$map->reset;	2050	$map->reset;
1409	undef $guard;
1410	return find $path;	2051	return find $path;
1411	}	2052	}
1412		2053
1413	$cf::MAP{$path} = $map	2054	$cf::MAP{$path} = $map
1414	}	2055	}
…		…
1421	my ($self) = @_;	2062	my ($self) = @_;
1422		2063
1423	local $self->{deny_reset} = 1; # loading can take a long time	2064	local $self->{deny_reset} = 1; # loading can take a long time
1424		2065
1425	my $path = $self->{path};	2066	my $path = $self->{path};
		2067
		2068	{
1426	my $guard = cf::lock_acquire "map_load:$path";	2069	my $guard = cf::lock_acquire "map_data:$path";
1427		2070
		2071	return unless $self->valid;
1428	return if $self->in_memory != cf::MAP_SWAPPED;	2072	return unless $self->in_memory == cf::MAP_SWAPPED;
1429		2073
1430	$self->in_memory (cf::MAP_LOADING);	2074	$self->in_memory (cf::MAP_LOADING);
1431		2075
1432	$self->alloc;	2076	$self->alloc;
1433		2077
1434	$self->pre_load;	2078	$self->pre_load;
		2079	cf::cede_to_tick;
1435		2080
1436	$self->_load_objects ($self->{load_path}, 1)	2081	my $f = new_from_file cf::object::thawer $self->{load_path};
		2082	$f->skip_block;
		2083	$self->_load_objects ($f)
1437	or return;	2084	or return;
1438		2085
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2086	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	2087	if delete $self->{load_original};
1441		2088
1442	if (my $uniq = $self->uniq_path) {	2089	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	2090	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	2091	unless (aio_stat $uniq) {
		2092	if (my $f = new_from_file cf::object::thawer $uniq) {
1445	$self->clear_unique_items;	2093	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	2094	$self->_load_objects ($f);
		2095	$f->resolve_delayed_derefs;
		2096	}
1447	}	2097	}
1448	}	2098	}
1449		2099
1450	Coro::cede;	2100	$f->resolve_delayed_derefs;
1451		2101
		2102	cf::cede_to_tick;
1452	# now do the right thing for maps	2103	# now do the right thing for maps
1453	$self->link_multipart_objects;	2104	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	2105	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	2106	unless $self->difficulty;
1463	Coro::cede;	2107	cf::cede_to_tick;
		2108
		2109	unless ($self->{deny_activate}) {
		2110	$self->decay_objects;
		2111	$self->fix_auto_apply;
		2112	$self->update_buttons;
		2113	cf::cede_to_tick;
		2114	$self->set_darkness_map;
		2115	cf::cede_to_tick;
1464	$self->activate;	2116	$self->activate;
		2117	}
		2118
		2119	$self->{last_save} = $cf::RUNTIME;
		2120	$self->last_access ($cf::RUNTIME);
		2121
		2122	$self->in_memory (cf::MAP_ACTIVE);
1465	}	2123	}
1466		2124
1467	$self->post_load;	2125	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	2126	}
1471		2127
1472	sub customise_for {	2128	sub customise_for {
1473	my ($self, $ob) = @_;	2129	my ($self, $ob) = @_;
1474		2130
1475	return find "~" . $ob->name . "/" . $self->{path}	2131	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	2132	if $self->per_player;
1477		2133
		2134	# return find "?party/" . $ob->name . "/" . $self->{path}
		2135	# if $self->per_party;
		2136
1478	$self	2137	$self
1479	}	2138	}
1480		2139
1481	# find and load all maps in the 3x3 area around a map	2140	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	2141	sub load_neighbours {
1483	my ($map) = @_;	2142	my ($map) = @_;
1484		2143
1485	my @diag; # diagonal neighbours	2144	my @neigh; # diagonal neighbours
1486		2145
1487	for (0 .. 3) {	2146	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	2147	my $neigh = $map->tile_path ($_)
1489	or next;	2148	or next;
1490	$neigh = find $neigh, $map	2149	$neigh = find $neigh, $map
1491	or next;	2150	or next;
1492	$neigh->load;	2151	$neigh->load;
1493		2152
		2153	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2154	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2155	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	2156	}
1497		2157
1498	for (@diag) {	2158	for (grep defined $_->[0], @neigh) {
		2159	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	2160	my $neigh = find $path, $origin
1500	or next;	2161	or next;
1501	$neigh->load;	2162	$neigh->load;
1502	}	2163	}
1503	}	2164	}
1504		2165
…		…
1509	}	2170	}
1510		2171
1511	sub do_load_sync {	2172	sub do_load_sync {
1512	my ($map) = @_;	2173	my ($map) = @_;
1513		2174
		2175	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2176	if $Coro::current == $Coro::main;
		2177
1514	cf::sync_job { $map->load };	2178	cf::sync_job { $map->load };
1515	}	2179	}
1516		2180
1517	our %MAP_PREFETCH;	2181	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	2182	our $MAP_PREFETCHER = undef;
1519		2183
1520	sub find_async {	2184	sub find_async {
1521	my ($path, $origin) = @_;	2185	my ($path, $origin, $load) = @_;
1522		2186
1523	$path = normalise $path, $origin && $origin->{path};	2187	$path = normalise $path, $origin && $origin->{path};
1524		2188
1525	if (my $map = $cf::MAP{$path}) {	2189	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2190	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
1527	}	2191	}
1528		2192
1529	undef $MAP_PREFETCH{$path};	2193	$MAP_PREFETCH{$path} |= $load;
		2194
1530	$MAP_PREFETCHER ||= cf::async {	2195	$MAP_PREFETCHER ||= cf::async {
		2196	$Coro::current->{desc} = "map prefetcher";
		2197
1531	while (%MAP_PREFETCH) {	2198	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	2199	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	2200	if (my $map = find $k) {
1534	or next;
1535	$map->load;	2201	$map->load if $v;
		2202	}
1536		2203
1537	delete $MAP_PREFETCH{$path};	2204	delete $MAP_PREFETCH{$k};
1538	}	2205	}
1539	}	2206	}
1540	undef $MAP_PREFETCHER;	2207	undef $MAP_PREFETCHER;
1541	};	2208	};
1542	$MAP_PREFETCHER->prio (6);	2209	$MAP_PREFETCHER->prio (6);
…		…
1545	}	2212	}
1546		2213
1547	sub save {	2214	sub save {
1548	my ($self) = @_;	2215	my ($self) = @_;
1549		2216
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	2217	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		2218
1552	$self->{last_save} = $cf::RUNTIME;	2219	$self->{last_save} = $cf::RUNTIME;
1553		2220
1554	return unless $self->dirty;	2221	return unless $self->dirty;
1555		2222
…		…
1561	return if $self->{deny_save};	2228	return if $self->{deny_save};
1562		2229
1563	local $self->{last_access} = $self->last_access;#d#	2230	local $self->{last_access} = $self->last_access;#d#
1564		2231
1565	cf::async {	2232	cf::async {
		2233	$Coro::current->{desc} = "map player save";
1566	$_->contr->save for $self->players;	2234	$_->contr->save for $self->players;
1567	};	2235	};
		2236
		2237	cf::get_slot 0.02;
1568		2238
1569	if ($uniq) {	2239	if ($uniq) {
1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2240	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2241	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1572	} else {	2242	} else {
…		…
1578	my ($self) = @_;	2248	my ($self) = @_;
1579		2249
1580	# save first because save cedes	2250	# save first because save cedes
1581	$self->save;	2251	$self->save;
1582		2252
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2253	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2254
1585	return if $self->players;	2255	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2256	return if $self->in_memory != cf::MAP_ACTIVE;
1587	return if $self->{deny_save};	2257	return if $self->{deny_save};
1588		2258
		2259	$self->in_memory (cf::MAP_SWAPPED);
		2260
		2261	$self->deactivate;
		2262	$_->clear_links_to ($self) for values %cf::MAP;
1589	$self->clear;	2263	$self->clear;
1590	$self->in_memory (cf::MAP_SWAPPED);
1591	}	2264	}
1592		2265
1593	sub reset_at {	2266	sub reset_at {
1594	my ($self) = @_;	2267	my ($self) = @_;
1595		2268
1596	# TODO: safety, remove and allow resettable per-player maps	2269	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2270	return 1e99 if $self->{deny_reset};
1599		2271
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2272	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2273	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2274
…		…
1613	my ($self) = @_;	2285	my ($self) = @_;
1614		2286
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2287	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2288
1617	return if $self->players;	2289	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2290
1620	warn "resetting map ", $self->path;#d#	2291	warn "resetting map ", $self->path;
1621		2292
1622	$self->in_memory (cf::MAP_SWAPPED);	2293	$self->in_memory (cf::MAP_SWAPPED);
1623		2294
1624	# need to save uniques path	2295	# need to save uniques path
1625	unless ($self->{deny_save}) {	2296	unless ($self->{deny_save}) {
…		…
1629	if $uniq;	2300	if $uniq;
1630	}	2301	}
1631		2302
1632	delete $cf::MAP{$self->path};	2303	delete $cf::MAP{$self->path};
1633		2304
		2305	$self->deactivate;
		2306	$_->clear_links_to ($self) for values %cf::MAP;
1634	$self->clear;	2307	$self->clear;
1635
1636	$_->clear_links_to ($self) for values %cf::MAP;
1637		2308
1638	$self->unlink_save;	2309	$self->unlink_save;
1639	$self->destroy;	2310	$self->destroy;
1640	}	2311	}
1641		2312
1642	my $nuke_counter = "aaaa";	2313	my $nuke_counter = "aaaa";
1643		2314
1644	sub nuke {	2315	sub nuke {
1645	my ($self) = @_;	2316	my ($self) = @_;
1646		2317
		2318	{
		2319	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2320
1647	delete $cf::MAP{$self->path};	2321	delete $cf::MAP{$self->path};
1648		2322
1649	$self->unlink_save;	2323	$self->unlink_save;
1650		2324
1651	bless $self, "cf::map";	2325	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2326	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2327	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2328	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2329	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2330
1657	$cf::MAP{$self->path} = $self;	2331	$cf::MAP{$self->path} = $self;
		2332	}
1658		2333
1659	$self->reset; # polite request, might not happen	2334	$self->reset; # polite request, might not happen
		2335	}
		2336
		2337	=item $maps = cf::map::tmp_maps
		2338
		2339	Returns an arrayref with all map paths of currently instantiated and saved
		2340	maps. May block.
		2341
		2342	=cut
		2343
		2344	sub tmp_maps() {
		2345	[
		2346	map {
		2347	utf8::decode $_;
		2348	/\.map$/
		2349	? normalise $_
		2350	: ()
		2351	} @{ aio_readdir $TMPDIR or [] }
		2352	]
		2353	}
		2354
		2355	=item $maps = cf::map::random_maps
		2356
		2357	Returns an arrayref with all map paths of currently instantiated and saved
		2358	random maps. May block.
		2359
		2360	=cut
		2361
		2362	sub random_maps() {
		2363	[
		2364	map {
		2365	utf8::decode $_;
		2366	/\.map$/
		2367	? normalise "?random/$_"
		2368	: ()
		2369	} @{ aio_readdir $RANDOMDIR or [] }
		2370	]
1660	}	2371	}
1661		2372
1662	=item cf::map::unique_maps	2373	=item cf::map::unique_maps
1663		2374
1664	Returns an arrayref of paths of all shared maps that have	2375	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2376	instantiated unique items. May block.
1666		2377
1667	=cut	2378	=cut
1668		2379
1669	sub unique_maps() {	2380	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2381	[
1671	or return;	2382	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2383	utf8::decode $_;
1677	next if /\.pst$/;	2384	s/\.map$//; # TODO future compatibility hack
1678	next unless /^$PATH_SEP/o;	2385	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1679		2386	? ()
1680	push @paths, cf::map::normalise $_;	2387	: normalise $_
		2388	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2389	]
1682
1683	\@paths
1684	}	2390	}
1685
1686	package cf;
1687		2391
1688	=back	2392	=back
1689		2393
1690	=head3 cf::object	2394	=head3 cf::object
1691		2395
…		…
1695		2399
1696	=over 4	2400	=over 4
1697		2401
1698	=item $ob->inv_recursive	2402	=item $ob->inv_recursive
1699		2403
1700	Returns the inventory of the object _and_ their inventories, recursively.	2404	Returns the inventory of the object I<and> their inventories, recursively,
		2405	but I<not> the object itself.
1701		2406
1702	=cut	2407	=cut
1703		2408
1704	sub inv_recursive_;	2409	sub inv_recursive_;
1705	sub inv_recursive_ {	2410	sub inv_recursive_ {
1706	map { $_, inv_recursive_ $_->inv } @_	2411	map { $_, inv_recursive_ $_->inv } @_
1707	}	2412	}
1708		2413
1709	sub inv_recursive {	2414	sub inv_recursive {
1710	inv_recursive_ inv $_[0]	2415	inv_recursive_ inv $_[0]
		2416	}
		2417
		2418	=item $ref = $ob->ref
		2419
		2420	Creates and returns a persistent reference to an object that can be stored as a string.
		2421
		2422	=item $ob = cf::object::deref ($refstring)
		2423
		2424	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2425	even if the object actually exists. May block.
		2426
		2427	=cut
		2428
		2429	sub deref {
		2430	my ($ref) = @_;
		2431
		2432	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2433	my ($uuid, $name) = ($1, $2);
		2434	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2435	or return;
		2436	$pl->ob->uuid eq $uuid
		2437	or return;
		2438
		2439	$pl->ob
		2440	} else {
		2441	warn "$ref: cannot resolve object reference\n";
		2442	undef
		2443	}
1711	}	2444	}
1712		2445
1713	package cf;	2446	package cf;
1714		2447
1715	=back	2448	=back
…		…
1734		2467
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2468	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2469
1737	if ($self->{record_replies}) {	2470	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2471	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2472
1739	} else {	2473	} else {
		2474	my $pl = $self->contr;
		2475
		2476	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2477	my $dialog = $pl->{npc_dialog};
		2478	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2479
		2480	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2481	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2482	$self->message ($msg, $flags);
		2483	}
1742	}	2484	}
		2485	}
		2486
		2487	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2488
		2489	=cut
		2490
		2491	sub cf::object::send_msg {
		2492	my $pl = shift->contr
		2493	or return;
		2494	$pl->send_msg (@_);
1743	}	2495	}
1744		2496
1745	=item $player_object->may ("access")	2497	=item $player_object->may ("access")
1746		2498
1747	Returns wether the given player is authorized to access resource "access"	2499	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2546	$self->deactivate_recursive;
1795		2547
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2548	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2549
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2550	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2551	if $self->map && $self->map->{path} ne "{link}";
1800		2552
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2553	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2554	}
1803		2555
1804	sub cf::object::player::leave_link {	2556	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2557	my ($self, $map, $x, $y) = @_;
		2558
		2559	return unless $self->contr->active;
1806		2560
1807	my $link_pos = delete $self->{_link_pos};	2561	my $link_pos = delete $self->{_link_pos};
1808		2562
1809	unless ($map) {	2563	unless ($map) {
1810	# restore original map position	2564	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2578	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2579	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2580	if $x <=0 && $y <= 0;
1827		2581
1828	$map->load;	2582	$map->load;
1829	$map->load_diag;	2583	$map->load_neighbours;
1830		2584
1831	return unless $self->contr->active;	2585	return unless $self->contr->active;
1832	$self->activate_recursive;	2586	$self->activate_recursive;
1833		2587
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2588	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2589	$self->enter_map ($map, $x, $y);
1836	}	2590	}
1837		2591
1838	cf::player->attach (	2592	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2593
1842	# abort map switching before logout	2594	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2595	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2596	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2597	the new (success) or old (failed) map position. In either case, $done will
1846	};	2598	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2599
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2600	=cut
		2601
		2602	our $GOTOGEN;
1873		2603
1874	sub cf::object::player::goto {	2604	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2605	my ($self, $path, $x, $y, $check, $done) = @_;
		2606
		2607	# do generation counting so two concurrent goto's will be executed in-order
		2608	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2609
1877	$self->enter_link;	2610	$self->enter_link;
1878		2611
1879	(async {	2612	(async {
		2613	$Coro::current->{desc} = "player::goto $path $x $y";
		2614
		2615	# *tag paths override both path and x|y
		2616	if ($path =~ /^\*(.*)$/) {
		2617	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2618	my $ob = $obs[rand @obs];
		2619
		2620	# see if we actually can go there
		2621	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2622	$ob = $obs[rand @obs];
		2623	} else {
		2624	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2625	}
		2626	# else put us there anyways for now #d#
		2627
		2628	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2629	} else {
		2630	($path, $x, $y) = (undef, undef, undef);
		2631	}
		2632	}
		2633
1880	my $map = eval {	2634	my $map = eval {
1881	my $map = cf::map::find $path;	2635	my $map = defined $path ? cf::map::find $path : undef;
		2636
		2637	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2638	$map = $map->customise_for ($self);
		2639	$map = $check->($map) if $check && $map;
		2640	} else {
		2641	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2642	}
		2643
1883	$map	2644	$map
		2645	};
		2646
		2647	if ($@) {
		2648	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2649	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2650	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2651
		2652	if ($gen == $self->{_goto_generation}) {
		2653	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2654	$self->leave_link ($map, $x, $y);
		2655	}
		2656
		2657	$done->() if $done;
1888	})->prio (1);	2658	})->prio (1);
1889	}	2659	}
1890		2660
1891	=item $player_object->enter_exit ($exit_object)	2661	=item $player_object->enter_exit ($exit_object)
1892		2662
…		…
1929	$rmp->{origin_y} = $exit->y;	2699	$rmp->{origin_y} = $exit->y;
1930	}	2700	}
1931		2701
1932	$rmp->{random_seed} ||= $exit->random_seed;	2702	$rmp->{random_seed} ||= $exit->random_seed;
1933		2703
1934	my $data = cf::to_json $rmp;	2704	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1935	my $md5 = Digest::MD5::md5_hex $data;	2705	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2706	my $meta = "$RANDOMDIR/$md5.meta";
1937		2707
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2708	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2709	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2710	undef $fh;
1941	aio_rename "$meta~", $meta;	2711	aio_rename "$meta~", $meta;
…		…
1950		2720
1951	return unless $self->type == cf::PLAYER;	2721	return unless $self->type == cf::PLAYER;
1952		2722
1953	if ($exit->slaying eq "/!") {	2723	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2724	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2725	# the problem is that $exit might not survive long enough
		2726	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2727	cf::sync_job { prepare_random_map $exit };
1956	}	2728	}
1957		2729
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2730	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2731	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2732	my $sp = $exit->stats->sp;
1961		2733
1962	$self->enter_link;	2734	$self->enter_link;
1963		2735
		2736	# if exit is damned, update players death & WoR home-position
		2737	$self->contr->savebed ($slaying, $hp, $sp)
		2738	if $exit->flag (FLAG_DAMNED);
		2739
1964	(async {	2740	(async {
		2741	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2742
1965	$self->deactivate_recursive; # just to be sure	2743	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2744	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2745	$self->goto ($slaying, $hp, $sp);
1968		2746
1969	1;	2747	1;
1970	}) {	2748	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2749	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2750	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2751	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2752	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2753
1976	warn "ERROR in enter_exit: $@";	2754	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2755	$self->leave_link;
1978	}	2756	}
1979	})->prio (1);	2757	})->prio (1);
…		…
1992		2770
1993	sub cf::client::send_drawinfo {	2771	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2772	my ($self, $text, $flags) = @_;
1995		2773
1996	utf8::encode $text;	2774	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2775	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2776	}
1999		2777
		2778	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2779
		2780	Send a drawinfo or msg packet to the client, formatting the msg for the
		2781	client if neccessary. C<$type> should be a string identifying the type of
		2782	the message, with C<log> being the default. If C<$color> is negative, suppress
		2783	the message unless the client supports the msg packet.
		2784
		2785	=cut
		2786
		2787	# non-persistent channels (usually the info channel)
		2788	our %CHANNEL = (
		2789	"c/identify" => {
		2790	id => "infobox",
		2791	title => "Identify",
		2792	reply => undef,
		2793	tooltip => "Items recently identified",
		2794	},
		2795	"c/examine" => {
		2796	id => "infobox",
		2797	title => "Examine",
		2798	reply => undef,
		2799	tooltip => "Signs and other items you examined",
		2800	},
		2801	"c/book" => {
		2802	id => "infobox",
		2803	title => "Book",
		2804	reply => undef,
		2805	tooltip => "The contents of a note or book",
		2806	},
		2807	"c/lookat" => {
		2808	id => "infobox",
		2809	title => "Look",
		2810	reply => undef,
		2811	tooltip => "What you saw there",
		2812	},
		2813	"c/who" => {
		2814	id => "infobox",
		2815	title => "Players",
		2816	reply => undef,
		2817	tooltip => "Shows players who are currently online",
		2818	},
		2819	"c/body" => {
		2820	id => "infobox",
		2821	title => "Body Parts",
		2822	reply => undef,
		2823	tooltip => "Shows which body parts you posess and are available",
		2824	},
		2825	"c/uptime" => {
		2826	id => "infobox",
		2827	title => "Uptime",
		2828	reply => undef,
		2829	tooltip => "How long the server has been running since last restart",
		2830	},
		2831	"c/mapinfo" => {
		2832	id => "infobox",
		2833	title => "Map Info",
		2834	reply => undef,
		2835	tooltip => "Information related to the maps",
		2836	},
		2837	"c/party" => {
		2838	id => "party",
		2839	title => "Party",
		2840	reply => "gsay ",
		2841	tooltip => "Messages and chat related to your party",
		2842	},
		2843	);
		2844
		2845	sub cf::client::send_msg {
		2846	my ($self, $channel, $msg, $color, @extra) = @_;
		2847
		2848	$msg = $self->pl->expand_cfpod ($msg);
		2849
		2850	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2851
		2852	# check predefined channels, for the benefit of C
		2853	if ($CHANNEL{$channel}) {
		2854	$channel = $CHANNEL{$channel};
		2855
		2856	$self->ext_msg (channel_info => $channel)
		2857	if $self->can_msg;
		2858
		2859	$channel = $channel->{id};
		2860
		2861	} elsif (ref $channel) {
		2862	# send meta info to client, if not yet sent
		2863	unless (exists $self->{channel}{$channel->{id}}) {
		2864	$self->{channel}{$channel->{id}} = $channel;
		2865	$self->ext_msg (channel_info => $channel)
		2866	if $self->can_msg;
		2867	}
		2868
		2869	$channel = $channel->{id};
		2870	}
		2871
		2872	return unless @extra || length $msg;
		2873
		2874	if ($self->can_msg) {
		2875	# default colour, mask it out
		2876	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2877	if $color & cf::NDI_DEF;
		2878
		2879	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2880	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2881	} else {
		2882	if ($color >= 0) {
		2883	# replace some tags by gcfclient-compatible ones
		2884	for ($msg) {
		2885	1 while
		2886	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2887	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2888	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2889	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2890	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2891	}
		2892
		2893	$color &= cf::NDI_COLOR_MASK;
		2894
		2895	utf8::encode $msg;
		2896
		2897	if (0 && $msg =~ /\[/) {
		2898	# COMMAND/INFO
		2899	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2900	} else {
		2901	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2902	$self->send_packet ("drawinfo $color $msg")
		2903	}
		2904	}
		2905	}
		2906	}
		2907
		2908	=item $client->ext_msg ($type, @msg)
		2909
		2910	Sends an ext event to the client.
		2911
		2912	=cut
		2913
		2914	sub cf::client::ext_msg($$@) {
		2915	my ($self, $type, @msg) = @_;
		2916
		2917	if ($self->extcmd == 2) {
		2918	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2919	} elsif ($self->extcmd == 1) { # TODO: remove
		2920	push @msg, msgtype => "event_$type";
		2921	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2922	}
		2923	}
		2924
		2925	=item $client->ext_reply ($msgid, @msg)
		2926
		2927	Sends an ext reply to the client.
		2928
		2929	=cut
		2930
		2931	sub cf::client::ext_reply($$@) {
		2932	my ($self, $id, @msg) = @_;
		2933
		2934	if ($self->extcmd == 2) {
		2935	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2936	} elsif ($self->extcmd == 1) {
		2937	#TODO: version 1, remove
		2938	unshift @msg, msgtype => "reply", msgid => $id;
		2939	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2940	}
		2941	}
2000		2942
2001	=item $success = $client->query ($flags, "text", \&cb)	2943	=item $success = $client->query ($flags, "text", \&cb)
2002		2944
2003	Queues a query to the client, calling the given callback with	2945	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2946	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2947	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2948
2007	Queries can fail, so check the return code. Or don't, as queries will become	2949	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2950	become reliable at some point in the future.
2009		2951
2010	=cut	2952	=cut
2011		2953
2012	sub cf::client::query {	2954	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2955	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2963	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2964	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2965
2024	$self->send_packet ($self->{query_queue}[0][0])	2966	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2967	if @{ $self->{query_queue} } == 1;
		2968
		2969	1
2026	}	2970	}
2027		2971
2028	cf::client->attach (	2972	cf::client->attach (
		2973	on_connect => sub {
		2974	my ($ns) = @_;
		2975
		2976	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2977	},
2029	on_reply => sub {	2978	on_reply => sub {
2030	my ($ns, $msg) = @_;	2979	my ($ns, $msg) = @_;
2031		2980
2032	# this weird shuffling is so that direct followup queries	2981	# this weird shuffling is so that direct followup queries
2033	# get handled first	2982	# get handled first
…		…
2045	} else {	2994	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2995	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2996	}
2048	}	2997	}
2049	},	2998	},
		2999	on_exticmd => sub {
		3000	my ($ns, $buf) = @_;
		3001
		3002	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3003
		3004	if (ref $msg) {
		3005	my ($type, $reply, @payload) =
		3006	"ARRAY" eq ref $msg
		3007	? @$msg
		3008	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3009
		3010	my @reply;
		3011
		3012	if (my $cb = $EXTICMD{$type}) {
		3013	@reply = $cb->($ns, @payload);
		3014	}
		3015
		3016	$ns->ext_reply ($reply, @reply)
		3017	if $reply;
		3018
		3019	} else {
		3020	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3021	}
		3022
		3023	cf::override;
		3024	},
2050	);	3025	);
2051		3026
2052	=item $client->async (\&cb)	3027	=item $client->async (\&cb)
2053		3028
2054	Create a new coroutine, running the specified callback. The coroutine will	3029	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	3070	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	3071	our $safe_hole = new Safe::Hole;
2097		3072
2098	$SIG{FPE} = 'IGNORE';	3073	$SIG{FPE} = 'IGNORE';
2099		3074
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3075	$safe->permit_only (Opcode::opset qw(
		3076	:base_core :base_mem :base_orig :base_math
		3077	grepstart grepwhile mapstart mapwhile
		3078	sort time
		3079	));
2101		3080
2102	# here we export the classes and methods available to script code	3081	# here we export the classes and methods available to script code
2103		3082
2104	=pod	3083	=pod
2105		3084
2106	The following fucntions and emthods are available within a safe environment:	3085	The following functions and methods are available within a safe environment:
2107		3086
2108	cf::object contr pay_amount pay_player map	3087	cf::object
		3088	contr pay_amount pay_player map x y force_find force_add destroy
		3089	insert remove name archname title slaying race decrease split
		3090
2109	cf::object::player player	3091	cf::object::player
2110	cf::player peaceful	3092	player
2111	cf::map trigger	3093
		3094	cf::player
		3095	peaceful
		3096
		3097	cf::map
		3098	trigger
2112		3099
2113	=cut	3100	=cut
2114		3101
2115	for (	3102	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	3103	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3104	insert remove inv name archname title slaying race
		3105	decrease split destroy)],
2117	["cf::object::player" => qw(player)],	3106	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	3107	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	3108	["cf::map" => qw(trigger)],
2120	) {	3109	) {
2121	no strict 'refs';	3110	no strict 'refs';
…		…
2192	=back	3181	=back
2193		3182
2194	=cut	3183	=cut
2195		3184
2196	#############################################################################	3185	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	3186	# the server's init and main functions
2270		3187
2271	sub init_resources {	3188	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3189	my ($path) = @_;
		3190
		3191	# HACK to clear player env face cache, we need some signal framework
		3192	# for this (global event?)
		3193	%ext::player_env::MUSIC_FACE_CACHE = ();
		3194
		3195	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3196
		3197	warn "loading facedata from $path\n";
		3198
		3199	my $facedata;
		3200	0 < aio_load $path, $facedata
		3201	or die "$path: $!";
		3202
		3203	$facedata = Coro::Storable::thaw $facedata;
		3204
		3205	$facedata->{version} == 2
		3206	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3207
		3208	# patch in the exptable
		3209	$facedata->{resource}{"res/exp_table"} = {
		3210	type => FT_RSRC,
		3211	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3212	};
		3213	cf::cede_to_tick;
		3214
		3215	{
		3216	my $faces = $facedata->{faceinfo};
		3217
		3218	while (my ($face, $info) = each %$faces) {
		3219	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3220
		3221	cf::face::set_visibility $idx, $info->{visibility};
		3222	cf::face::set_magicmap $idx, $info->{magicmap};
		3223	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3224	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3225
		3226	cf::cede_to_tick;
		3227	}
		3228
		3229	while (my ($face, $info) = each %$faces) {
		3230	next unless $info->{smooth};
		3231
		3232	my $idx = cf::face::find $face
		3233	or next;
		3234
		3235	if (my $smooth = cf::face::find $info->{smooth}) {
		3236	cf::face::set_smooth $idx, $smooth;
		3237	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3238	} else {
		3239	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3240	}
		3241
		3242	cf::cede_to_tick;
		3243	}
		3244	}
		3245
		3246	{
		3247	my $anims = $facedata->{animinfo};
		3248
		3249	while (my ($anim, $info) = each %$anims) {
		3250	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3251	cf::cede_to_tick;
		3252	}
		3253
		3254	cf::anim::invalidate_all; # d'oh
		3255	}
		3256
		3257	{
		3258	# TODO: for gcfclient pleasure, we should give resources
		3259	# that gcfclient doesn't grok a >10000 face index.
		3260	my $res = $facedata->{resource};
		3261
		3262	while (my ($name, $info) = each %$res) {
		3263	if (defined $info->{type}) {
		3264	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3265	my $data;
		3266
		3267	if ($info->{type} & 1) {
		3268	# prepend meta info
		3269
		3270	my $meta = $enc->encode ({
		3271	name => $name,
		3272	%{ $info->{meta} || {} },
		3273	});
		3274
		3275	$data = pack "(w/a*)*", $meta, $info->{data};
		3276	} else {
		3277	$data = $info->{data};
		3278	}
		3279
		3280	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3281	cf::face::set_type $idx, $info->{type};
		3282	} else {
		3283	$RESOURCE{$name} = $info;
		3284	}
		3285
		3286	cf::cede_to_tick;
		3287	}
		3288	}
		3289
		3290	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3291
		3292	1
		3293	}
		3294
		3295	cf::global->attach (on_resource_update => sub {
		3296	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3297	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3298
		3299	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3300	my $sound = $soundconf->{compat}[$_]
		3301	or next;
		3302
		3303	my $face = cf::face::find "sound/$sound->[1]";
		3304	cf::sound::set $sound->[0] => $face;
		3305	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3306	}
		3307
		3308	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3309	my $face = cf::face::find "sound/$v";
		3310	cf::sound::set $k => $face;
		3311	}
		3312	}
		3313	});
		3314
		3315	register_exticmd fx_want => sub {
		3316	my ($ns, $want) = @_;
		3317
		3318	while (my ($k, $v) = each %$want) {
		3319	$ns->fx_want ($k, $v);
		3320	}
		3321	};
		3322
		3323	sub load_resource_file($) {
		3324	my $guard = lock_acquire "load_resource_file";
		3325
		3326	my $status = load_resource_file_ $_[0];
		3327	get_slot 0.1, 100;
		3328	cf::arch::commit_load;
		3329
		3330	$status
		3331	}
		3332
		3333	sub reload_regions {
		3334	# HACK to clear player env face cache, we need some signal framework
		3335	# for this (global event?)
		3336	%ext::player_env::MUSIC_FACE_CACHE = ();
		3337
		3338	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	3339	or die "unable to load regions file\n";
2274	}
2275		3340
2276	sub cfg_load {	3341	for (cf::region::list) {
		3342	$_->{match} = qr/$_->{match}/
		3343	if exists $_->{match};
		3344	}
		3345	}
		3346
		3347	sub reload_facedata {
		3348	load_facedata "$DATADIR/facedata"
		3349	or die "unable to load facedata\n";
		3350	}
		3351
		3352	sub reload_archetypes {
		3353	load_resource_file "$DATADIR/archetypes"
		3354	or die "unable to load archetypes\n";
		3355	}
		3356
		3357	sub reload_treasures {
		3358	load_resource_file "$DATADIR/treasures"
		3359	or die "unable to load treasurelists\n";
		3360	}
		3361
		3362	sub reload_resources {
		3363	warn "reloading resource files...\n";
		3364
		3365	reload_facedata;
		3366	reload_archetypes;
		3367	reload_regions;
		3368	reload_treasures;
		3369
		3370	warn "finished reloading resource files\n";
		3371	}
		3372
		3373	sub init {
		3374	my $guard = freeze_mainloop;
		3375
		3376	reload_resources;
		3377	}
		3378
		3379	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3380	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3381	or return;
2279		3382
2280	local $/;	3383	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3384	*CFG = YAML::Load <$fh>;
2282		3385
2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3386	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2284		3387
2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3388	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3389	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2292	};	3395	};
2293	warn $@ if $@;	3396	warn $@ if $@;
2294	}	3397	}
2295	}	3398	}
2296		3399
2297	sub init {
2298	init_resources;
2299	}
2300
2301	sub main {	3400	sub main {
2302	# we must not ever block the main coroutine	3401	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3402	local $Coro::idle = sub {
2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3403	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2305	(async {	3404	(async {
2306	Event::one_event;	3405	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3406	EV::loop EV::LOOP_ONESHOT;
2307	})->prio (Coro::PRIO_MAX);	3407	})->prio (Coro::PRIO_MAX);
2308	};	3408	};
2309		3409
2310	cfg_load;	3410	{
		3411	my $guard = freeze_mainloop;
		3412	reload_config;
2311	db_init;	3413	db_init;
2312	load_extensions;	3414	load_extensions;
2313		3415
2314	$TICK_WATCHER->start;	3416	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3417	evthread_start IO::AIO::poll_fileno;
		3418	}
		3419
2315	Event::loop;	3420	EV::loop;
2316	}	3421	}
2317		3422
2318	#############################################################################	3423	#############################################################################
2319	# initialisation and cleanup	3424	# initialisation and cleanup
2320		3425
2321	# install some emergency cleanup handlers	3426	# install some emergency cleanup handlers
2322	BEGIN {	3427	BEGIN {
		3428	our %SIGWATCHER = ();
2323	for my $signal (qw(INT HUP TERM)) {	3429	for my $signal (qw(INT HUP TERM)) {
2324	Event->signal (	3430	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2325	reentrant => 0,
2326	data => WF_AUTOCANCEL,
2327	signal => $signal,
2328	prio => 0,
2329	cb => sub {
2330	cf::cleanup "SIG$signal";	3431	cf::cleanup "SIG$signal";
2331	},
2332	);	3432	};
		3433	}
		3434	}
		3435
		3436	sub write_runtime_sync {
		3437	my $runtime = "$LOCALDIR/runtime";
		3438
		3439	# first touch the runtime file to show we are still running:
		3440	# the fsync below can take a very very long time.
		3441
		3442	IO::AIO::aio_utime $runtime, undef, undef;
		3443
		3444	my $guard = cf::lock_acquire "write_runtime";
		3445
		3446	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3447	or return;
		3448
		3449	my $value = $cf::RUNTIME + 90 + 10;
		3450	# 10 is the runtime save interval, for a monotonic clock
		3451	# 60 allows for the watchdog to kill the server.
		3452
		3453	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3454	and return;
		3455
		3456	# always fsync - this file is important
		3457	aio_fsync $fh
		3458	and return;
		3459
		3460	# touch it again to show we are up-to-date
		3461	aio_utime $fh, undef, undef;
		3462
		3463	close $fh
		3464	or return;
		3465
		3466	aio_rename "$runtime~", $runtime
		3467	and return;
		3468
		3469	warn "runtime file written.\n";
		3470
2333	}	3471	1
		3472	}
		3473
		3474	our $uuid_lock;
		3475	our $uuid_skip;
		3476
		3477	sub write_uuid_sync($) {
		3478	$uuid_skip ||= $_[0];
		3479
		3480	return if $uuid_lock;
		3481	local $uuid_lock = 1;
		3482
		3483	my $uuid = "$LOCALDIR/uuid";
		3484
		3485	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3486	or return;
		3487
		3488	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3489	$uuid_skip = 0;
		3490
		3491	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3492	and return;
		3493
		3494	# always fsync - this file is important
		3495	aio_fsync $fh
		3496	and return;
		3497
		3498	close $fh
		3499	or return;
		3500
		3501	aio_rename "$uuid~", $uuid
		3502	and return;
		3503
		3504	warn "uuid file written ($value).\n";
		3505
		3506	1
		3507
		3508	}
		3509
		3510	sub write_uuid($$) {
		3511	my ($skip, $sync) = @_;
		3512
		3513	$sync ? write_uuid_sync $skip
		3514	: async { write_uuid_sync $skip };
2334	}	3515	}
2335		3516
2336	sub emergency_save() {	3517	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3518	my $freeze_guard = cf::freeze_mainloop;
2338		3519
…		…
2344	# and maps saved/destroyed asynchronously.	3525	# and maps saved/destroyed asynchronously.
2345	warn "begin emergency player save\n";	3526	warn "begin emergency player save\n";
2346	for my $login (keys %cf::PLAYER) {	3527	for my $login (keys %cf::PLAYER) {
2347	my $pl = $cf::PLAYER{$login} or next;	3528	my $pl = $cf::PLAYER{$login} or next;
2348	$pl->valid or next;	3529	$pl->valid or next;
		3530	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2349	$pl->save;	3531	$pl->save;
2350	}	3532	}
2351	warn "end emergency player save\n";	3533	warn "end emergency player save\n";
2352		3534
2353	warn "begin emergency map save\n";	3535	warn "begin emergency map save\n";
…		…
2359	warn "end emergency map save\n";	3541	warn "end emergency map save\n";
2360		3542
2361	warn "begin emergency database checkpoint\n";	3543	warn "begin emergency database checkpoint\n";
2362	BDB::db_env_txn_checkpoint $DB_ENV;	3544	BDB::db_env_txn_checkpoint $DB_ENV;
2363	warn "end emergency database checkpoint\n";	3545	warn "end emergency database checkpoint\n";
		3546
		3547	warn "begin write uuid\n";
		3548	write_uuid_sync 1;
		3549	warn "end write uuid\n";
2364	};	3550	};
2365		3551
2366	warn "leave emergency perl save\n";	3552	warn "leave emergency perl save\n";
2367	}	3553	}
2368		3554
…		…
2371		3557
2372	warn Carp::longmess "post_cleanup backtrace"	3558	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3559	if $make_core;
2374	}	3560	}
2375		3561
2376	sub reload() {	3562	sub do_reload_perl() {
2377	# can/must only be called in main	3563	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3564	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3565	warn "can only reload from main coroutine";
2380	return;	3566	return;
2381	}	3567	}
…		…
2383	warn "reloading...";	3569	warn "reloading...";
2384		3570
2385	warn "entering sync_job";	3571	warn "entering sync_job";
2386		3572
2387	cf::sync_job {	3573	cf::sync_job {
2388	cf::write_runtime; # external watchdog should not bark	3574	cf::write_runtime_sync; # external watchdog should not bark
2389	cf::emergency_save;	3575	cf::emergency_save;
2390	cf::write_runtime; # external watchdog should not bark	3576	cf::write_runtime_sync; # external watchdog should not bark
2391		3577
2392	warn "syncing database to disk";	3578	warn "syncing database to disk";
2393	BDB::db_env_txn_checkpoint $DB_ENV;	3579	BDB::db_env_txn_checkpoint $DB_ENV;
2394		3580
2395	# if anything goes wrong in here, we should simply crash as we already saved	3581	# if anything goes wrong in here, we should simply crash as we already saved
2396
2397	warn "cancelling all WF_AUTOCANCEL watchers";
2398	for (Event::all_watchers) {
2399	$_->cancel if $_->data & WF_AUTOCANCEL;
2400	}
2401		3582
2402	warn "flushing outstanding aio requests";	3583	warn "flushing outstanding aio requests";
2403	for (;;) {	3584	for (;;) {
2404	BDB::flush;	3585	BDB::flush;
2405	IO::AIO::flush;	3586	IO::AIO::flush;
2406	Coro::cede;	3587	Coro::cede_notself;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3588	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3589	warn "iterate...";
2409	}	3590	}
		3591
		3592	++$RELOAD;
2410		3593
2411	warn "cancelling all extension coros";	3594	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3595	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3596	%EXT_CORO = ();
2414		3597
2415	warn "removing commands";	3598	warn "removing commands";
2416	%COMMAND = ();	3599	%COMMAND = ();
2417		3600
2418	warn "removing ext commands";	3601	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3602	%EXTCMD = ();
		3603	%EXTICMD = ();
2420		3604
2421	warn "unloading/nuking all extensions";	3605	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3606	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3607	warn "... unloading $pkg";
2424		3608
…		…
2454	Symbol::delete_package "safe::$_"	3638	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3639	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3640
2457	warn "unloading cf.pm \"a bit\"";	3641	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3642	delete $INC{"cf.pm"};
		3643	delete $INC{"cf/pod.pm"};
2459		3644
2460	# don't, removes xs symbols, too,	3645	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3646	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3647	#Symbol::delete_package __PACKAGE__;
2463		3648
…		…
2466	warn "reloading cf.pm";	3651	warn "reloading cf.pm";
2467	require cf;	3652	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3653	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3654
2470	warn "loading config and database again";	3655	warn "loading config and database again";
2471	cf::cfg_load;	3656	cf::reload_config;
2472		3657
2473	warn "loading extensions";	3658	warn "loading extensions";
2474	cf::load_extensions;	3659	cf::load_extensions;
2475		3660
2476	warn "reattaching attachments to objects/players";	3661	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3662	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3663	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3664	reattach $_ for values %MAP;
2480		3665	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3666	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3667
2484	warn "leaving sync_job";	3668	warn "leaving sync_job";
2485		3669
2486	1	3670	1
2487	} or do {	3671	} or do {
2488	warn $@;	3672	warn $@;
2489	warn "error while reloading, exiting.";	3673	cf::cleanup "error while reloading, exiting.";
2490	exit 1;
2491	};	3674	};
2492		3675
2493	warn "reloaded";	3676	warn "reloaded";
2494	};	3677	};
2495		3678
2496	our $RELOAD_WATCHER; # used only during reload	3679	our $RELOAD_WATCHER; # used only during reload
2497		3680
		3681	sub reload_perl() {
		3682	# doing reload synchronously and two reloads happen back-to-back,
		3683	# coro crashes during coro_state_free->destroy here.
		3684
		3685	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3686	do_reload_perl;
		3687	undef $RELOAD_WATCHER;
		3688	};
		3689	}
		3690
2498	register_command "reload" => sub {	3691	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3692	my ($who, $arg) = @_;
2500		3693
2501	if ($who->flag (FLAG_WIZ)) {	3694	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3695	$who->message ("reloading server.");
2503		3696	async {
2504	# doing reload synchronously and two reloads happen back-to-back,	3697	$Coro::current->{desc} = "perl_reload";
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;	3698	reload_perl;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);	3699	};
2516	}	3700	}
2517	};	3701	};
2518		3702
2519	unshift @INC, $LIBDIR;	3703	unshift @INC, $LIBDIR;
2520		3704
2521	my $bug_warning = 0;	3705	my $bug_warning = 0;
2522		3706
2523	$TICK_WATCHER = Event->timer (	3707	our @WAIT_FOR_TICK;
2524	reentrant => 0,	3708	our @WAIT_FOR_TICK_BEGIN;
2525	parked => 1,	3709
2526	prio => 0,	3710	sub wait_for_tick {
2527	at => $NEXT_TICK || $TICK,	3711	return if tick_inhibit || $Coro::current == $Coro::main;
2528	data => WF_AUTOCANCEL,	3712
2529	cb => sub {	3713	my $signal = new Coro::Signal;
		3714	push @WAIT_FOR_TICK, $signal;
		3715	$signal->wait;
		3716	}
		3717
		3718	sub wait_for_tick_begin {
		3719	return if tick_inhibit || $Coro::current == $Coro::main;
		3720
		3721	my $signal = new Coro::Signal;
		3722	push @WAIT_FOR_TICK_BEGIN, $signal;
		3723	$signal->wait;
		3724	}
		3725
		3726	sub tick {
2530	if ($Coro::current != $Coro::main) {	3727	if ($Coro::current != $Coro::main) {
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3728	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3729	unless ++$bug_warning > 10;
2533	return;	3730	return;
2534	}	3731	}
2535		3732
2536	$NOW = Event::time;
2537
2538	cf::server_tick; # one server iteration	3733	cf::server_tick; # one server iteration
2539	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;
2541		3734
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3735	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3736	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2544	Coro::async_pool {	3737	Coro::async_pool {
		3738	$Coro::current->{desc} = "runtime saver";
2545	write_runtime	3739	write_runtime_sync
2546	or warn "ERROR: unable to write runtime file: $!";	3740	or warn "ERROR: unable to write runtime file: $!";
2547	};
2548	}	3741	};
2549
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#
2555
2556	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2558
2559	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;
2561	},	3742	}
2562	);	3743
		3744	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3745	$sig->send;
		3746	}
		3747	while (my $sig = shift @WAIT_FOR_TICK) {
		3748	$sig->send;
		3749	}
		3750
		3751	$LOAD = ($NOW - $TICK_START) / $TICK;
		3752	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3753
		3754	if (0) {
		3755	if ($NEXT_TICK) {
		3756	my $jitter = $TICK_START - $NEXT_TICK;
		3757	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3758	warn "jitter $JITTER\n";#d#
		3759	}
		3760	}
		3761	}
2563		3762
2564	{	3763	{
2565	BDB::max_poll_time $TICK * 0.1;	3764	# configure BDB
2566	$BDB_POLL_WATCHER = Event->io (	3765
2567	reentrant => 0,
2568	fd => BDB::poll_fileno,
2569	poll => 'r',
2570	prio => 0,
2571	data => WF_AUTOCANCEL,
2572	cb => \&BDB::poll_cb,
2573	);
2574	BDB::min_parallel 8;	3766	BDB::min_parallel 8;
2575		3767	BDB::max_poll_reqs $TICK * 0.1;
2576	BDB::set_sync_prepare {	3768	$Coro::BDB::WATCHER->priority (1);
2577	my $status;
2578	my $current = $Coro::current;
2579	(
2580	sub {
2581	$status = $!;
2582	$current->ready; undef $current;
2583	},
2584	sub {
2585	Coro::schedule while defined $current;
2586	$! = $status;
2587	},
2588	)
2589	};
2590		3769
2591	unless ($DB_ENV) {	3770	unless ($DB_ENV) {
2592	$DB_ENV = BDB::db_env_create;	3771	$DB_ENV = BDB::db_env_create;
		3772	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3773	| BDB::LOG_AUTOREMOVE, 1);
		3774	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3775	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2593		3776
2594	cf::sync_job {	3777	cf::sync_job {
2595	eval {	3778	eval {
2596	BDB::db_env_open	3779	BDB::db_env_open
2597	$DB_ENV,	3780	$DB_ENV,
2598	$BDB_ENV_DIR,	3781	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3782	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3783	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3784	0666;
2602		3785
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3786	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;
2607	};	3787	};
2608		3788
2609	cf::cleanup "db_env_open(db): $@" if $@;	3789	cf::cleanup "db_env_open(db): $@" if $@;
2610	};	3790	};
2611	}	3791	}
		3792
		3793	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3794	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3795	};
		3796	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3797	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3798	};
		3799	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3800	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3801	};
2612	}	3802	}
2613		3803
2614	{	3804	{
		3805	# configure IO::AIO
		3806
2615	IO::AIO::min_parallel 8;	3807	IO::AIO::min_parallel 8;
2616
2617	undef $Coro::AIO::WATCHER;
2618	IO::AIO::max_poll_time $TICK * 0.1;	3808	IO::AIO::max_poll_time $TICK * 0.1;
2619	$AIO_POLL_WATCHER = Event->io (	3809	$Coro::AIO::WATCHER->priority (1);
2620	reentrant => 0,
2621	data => WF_AUTOCANCEL,
2622	fd => IO::AIO::poll_fileno,
2623	poll => 'r',
2624	prio => 6,
2625	cb => \&IO::AIO::poll_cb,
2626	);
2627	}	3810	}
		3811
		3812	my $_log_backtrace;
		3813
		3814	sub _log_backtrace {
		3815	my ($msg, @addr) = @_;
		3816
		3817	$msg =~ s/\n//;
		3818
		3819	# limit the # of concurrent backtraces
		3820	if ($_log_backtrace < 2) {
		3821	++$_log_backtrace;
		3822	async {
		3823	$Coro::current->{desc} = "abt $msg";
		3824
		3825	my @bt = fork_call {
		3826	@addr = map { sprintf "%x", $_ } @addr;
		3827	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3828	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3829	or die "addr2line: $!";
		3830
		3831	my @funcs;
		3832	my @res = <$fh>;
		3833	chomp for @res;
		3834	while (@res) {
		3835	my ($func, $line) = splice @res, 0, 2, ();
		3836	push @funcs, "[$func] $line";
		3837	}
		3838
		3839	@funcs
		3840	};
		3841
		3842	LOG llevInfo, "[ABT] $msg\n";
		3843	LOG llevInfo, "[ABT] $_\n" for @bt;
		3844	--$_log_backtrace;
		3845	};
		3846	} else {
		3847	LOG llevInfo, "[ABT] $msg\n";
		3848	LOG llevInfo, "[ABT] [suppressed]\n";
		3849	}
		3850	}
		3851
		3852	# load additional modules
		3853	use cf::pod;
2628		3854
2629	END { cf::emergency_save }	3855	END { cf::emergency_save }
2630		3856
2631	1	3857	1
2632		3858

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