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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.172 by root, Sun Jan 14 13:32:48 2007 UTC vs.
Revision 1.432 by root, Mon May 5 22:38:47 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 3.3 ();	36	use Coro 4.50 ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::EV;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
18	use Coro::AIO;	43	use Coro::AIO;
		44	use Coro::BDB;
		45	use Coro::Storable;
		46	use Coro::Util ();
19		47
		48	use JSON::XS 2.01 ();
		49	use BDB ();
20	use Data::Dumper;	50	use Data::Dumper;
21	use Digest::MD5;	51	use Digest::MD5;
22	use Fcntl;	52	use Fcntl;
		53	use YAML ();
23	use IO::AIO 2.32 ();	54	use IO::AIO 2.51 ();
24	use YAML::Syck ();
25	use Time::HiRes;	55	use Time::HiRes;
		56	use Compress::LZF;
		57	use Digest::MD5 ();
26		58
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	59	# configure various modules to our taste
		60	#
		61	$Storable::canonical = 1; # reduce rsync transfers
		62	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		63	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		64
		65	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		66
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	67	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		68
36	our %COMMAND = ();	69	our %COMMAND = ();
37	our %COMMAND_TIME = ();	70	our %COMMAND_TIME = ();
38		71
39	our @EXTS = (); # list of extension package names	72	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	73	our %EXTCMD = ();
		74	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	75	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	76	our %EXT_MAP = (); # pluggable maps
43		77
		78	our $RELOAD; # number of reloads so far
44	our @EVENT;	79	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		80
47	our $TICK = MAX_TIME * 1e-6;	81	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	82	our $DATADIR = datadir;
		83	our $LIBDIR = "$DATADIR/ext";
		84	our $PODDIR = "$DATADIR/pod";
		85	our $MAPDIR = "$DATADIR/" . mapdir;
		86	our $LOCALDIR = localdir;
		87	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		88	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		89	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		90	our $RANDOMDIR = "$LOCALDIR/random";
		91	our $BDBDIR = "$LOCALDIR/db";
		92	our %RESOURCE;
		93
		94	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
49	our $AIO_POLL_WATCHER;	95	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	96	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	97	our $NEXT_TICK;
52	our $NOW;	98	our $USE_FSYNC = 1; # use fsync to write maps - default off
		99
		100	our $BDB_POLL_WATCHER;
		101	our $BDB_DEADLOCK_WATCHER;
		102	our $BDB_CHECKPOINT_WATCHER;
		103	our $BDB_TRICKLE_WATCHER;
		104	our $DB_ENV;
53		105
54	our %CFG;	106	our %CFG;
55		107
56	our $UPTIME; $UPTIME ||= time;	108	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	109	our $RUNTIME;
		110	our $NOW;
58		111
59	our %PLAYER; # all users	112	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	113	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	114	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		115
67	# used to convert map paths into valid unix filenames by replacing / by ∕	116	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	117	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		118
		119	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		120	our $LOADAVG; # same thing, but with alpha-smoothing
		121	our $JITTER; # average jitter
		122	our $TICK_START; # for load detecting purposes
		123
70	binmode STDOUT;	124	binmode STDOUT;
71	binmode STDERR;	125	binmode STDERR;
72		126
73	# read virtual server time, if available	127	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	128	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	129	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	130	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	131	$RUNTIME = <$fh> + 0.;
78	}	132	}
79		133
80	mkdir cf::localdir;	134	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	135	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		136
86	our $EMERGENCY_POSITION;	137	our $EMERGENCY_POSITION;
		138
		139	sub cf::map::normalise;
87		140
88	#############################################################################	141	#############################################################################
89		142
90	=head2 GLOBAL VARIABLES	143	=head2 GLOBAL VARIABLES
91		144
…		…
98	=item $cf::RUNTIME	151	=item $cf::RUNTIME
99		152
100	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
101	every server tick.	154	every server tick.
102		155
103	=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
104		159
105	The perl library directory, where extensions and cf-specific modules can	160	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		164
108	=item $cf::NOW	165	=item $cf::NOW
109		166
110	The time of the last (current) server tick.	167	The time of the last (current) server tick.
111		168
112	=item $cf::TICK	169	=item $cf::TICK
113		170
114	The interval between server ticks, in seconds.	171	The interval between server ticks, in seconds.
115		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
116	=item %cf::CFG	183	=item %cf::CFG
117		184
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	185	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	186	from wherever your confdir points to.
120		187
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	188	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		189
123	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
124	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
125	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.
126	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.
127		199
128	=back	200	=back
129		201
130	=cut	202	=cut
131		203
132	BEGIN {	204	BEGIN {
133	*CORE::GLOBAL::warn = sub {	205	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	206	my $msg = join "", @_;
135	utf8::encode $msg;
136		207
137	$msg .= "\n"	208	$msg .= "\n"
138	unless $msg =~ /\n$/;	209	unless $msg =~ /\n$/;
139		210
		211	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		212
140	LOG llevError, $msg;	213	LOG llevError, $msg;
141	};	214	};
142	}	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#?
143		231
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	232	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	233	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	234	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	235	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		239
151	# 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
152	# within the Safe compartment.	241	# within the Safe compartment.
153	for my $pkg (qw(	242	for my $pkg (qw(
154	cf::global cf::attachable	243	cf::global cf::attachable
…		…
159	)) {	248	)) {
160	no strict 'refs';	249	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	250	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	251	}
163		252
164	$Event::DIED = sub {	253	$EV::DIED = sub {
165	warn "error in event callback: @_";	254	warn "error in event callback: @_";
166	};	255	};
		256
		257	#############################################################################
167		258
168	=head2 UTILITY FUNCTIONS	259	=head2 UTILITY FUNCTIONS
169		260
170	=over 4	261	=over 4
171		262
…		…
190	$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;
191	$d	282	$d
192	} || "[unable to dump $_[0]: '$@']";	283	} || "[unable to dump $_[0]: '$@']";
193	}	284	}
194		285
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	286	=item $ref = cf::decode_json $json
198		287
199	Converts a JSON string into the corresponding perl data structure.	288	Converts a JSON string into the corresponding perl data structure.
200		289
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	290	=item $json = cf::encode_json $ref
209		291
210	Converts a perl data structure into its JSON representation.	292	Converts a perl data structure into its JSON representation.
211		293
212	=cut	294	=cut
213		295
214	sub to_json($) {	296	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	297
216	JSON::Syck::Dump $_[0]	298	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	299	sub decode_json($) { $json_coder->decode ($_[0]) }
218		300
219	=item cf::lock_wait $string	301	=item cf::lock_wait $string
220		302
221	Wait until the given lock is available. See cf::lock_acquire.	303	Wait until the given lock is available. See cf::lock_acquire.
222		304
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	309	for example when the coroutine gets canceled), the lock is automatically
228	returned.	310	returned.
229		311
		312	Locks are *not* recursive, locking from the same coro twice results in a
		313	deadlocked coro.
		314
230	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
231	uses map_find and cf::map::load uses map_load).	316	uses map_find and cf::map::load uses map_load).
232		317
		318	=item $locked = cf::lock_active $string
		319
		320	Return true if the lock is currently active, i.e. somebody has locked it.
		321
233	=cut	322	=cut
234		323
235	our %LOCK;	324	our %LOCK;
		325	our %LOCKER;#d#
236		326
237	sub lock_wait($) {	327	sub lock_wait($) {
238	my ($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#
239		334
240	# wait for lock, if any	335	# wait for lock, if any
241	while ($LOCK{$key}) {	336	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	337	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	338	Coro::schedule;
…		…
249		344
250	# wait, to be sure we are not locked	345	# wait, to be sure we are not locked
251	lock_wait $key;	346	lock_wait $key;
252		347
253	$LOCK{$key} = [];	348	$LOCK{$key} = [];
		349	$LOCKER{$key} = $Coro::current;#d#
254		350
255	Coro::guard {	351	Coro::guard {
		352	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	353	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	354	$_->ready for @{ delete $LOCK{$key} };
258	}	355	}
259	}	356	}
260		357
		358	sub lock_active($) {
		359	my ($key) = @_;
		360
		361	! ! $LOCK{$key}
		362	}
		363
261	sub freeze_mainloop {	364	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	365	tick_inhibit_inc;
263		366
264	my $guard = Coro::guard {	367	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	368	}
266	$WRITE_RUNTIME_WATCHER->start;	369
		370	=item cf::periodic $interval, $cb
		371
		372	Like EV::periodic, but randomly selects a starting point so that the actions
		373	get spread over timer.
		374
		375	=cut
		376
		377	sub periodic($$) {
		378	my ($interval, $cb) = @_;
		379
		380	my $start = rand List::Util::min 180, $interval;
		381
		382	EV::periodic $start, $interval, 0, $cb
		383	}
		384
		385	=item cf::get_slot $time[, $priority[, $name]]
		386
		387	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		388	This call blocks and returns only when you have at least C<$time> seconds
		389	of cpu time till the next tick. The slot is only valid till the next cede.
		390
		391	The optional C<$name> can be used to identify the job to run. It might be
		392	used for statistical purposes and should identify the same time-class.
		393
		394	Useful for short background jobs.
		395
		396	=cut
		397
		398	our @SLOT_QUEUE;
		399	our $SLOT_QUEUE;
		400
		401	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		402	$SLOT_QUEUE = Coro::async {
		403	$Coro::current->desc ("timeslot manager");
		404
		405	my $signal = new Coro::Signal;
		406
		407	while () {
		408	next_job:
		409	my $avail = cf::till_tick;
		410	if ($avail > 0.01) {
		411	for (0 .. $#SLOT_QUEUE) {
		412	if ($SLOT_QUEUE[$_][0] < $avail) {
		413	my $job = splice @SLOT_QUEUE, $_, 1, ();
		414	$job->[2]->send;
		415	Coro::cede;
		416	goto next_job;
		417	}
		418	}
		419	}
		420
		421	if (@SLOT_QUEUE) {
		422	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		423	push @cf::WAIT_FOR_TICK, $signal;
		424	$signal->wait;
		425	} else {
		426	Coro::schedule;
		427	}
267	};	428	}
268	$WRITE_RUNTIME_WATCHER->stop;	429	};
269	$TICK_WATCHER->stop;	430
270	$guard	431	sub get_slot($;$$) {
		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	$sig->wait;
271	}	443	}
272		444
273	=item cf::async { BLOCK }	445	=item cf::async { BLOCK }
274		446
275	Currently the same as Coro::async_pool, meaning you cannot use	447	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		452
281	BEGIN { *async = \&Coro::async_pool }	453	BEGIN { *async = \&Coro::async_pool }
282		454
283	=item cf::sync_job { BLOCK }	455	=item cf::sync_job { BLOCK }
284		456
285	The design of crossfire+ requires that the main coro ($Coro::main) is	457	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	458	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	459	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		460	acceptable.
288		461
289	If it must be done, put the blocking parts into C<sync_job>. This will run	462	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	463	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	464	server will be frozen during this time, so the block should either finish
292	fast or be very important.	465	fast or be very important.
…		…
295		468
296	sub sync_job(&) {	469	sub sync_job(&) {
297	my ($job) = @_;	470	my ($job) = @_;
298		471
299	if ($Coro::current == $Coro::main) {	472	if ($Coro::current == $Coro::main) {
		473	my $time = EV::time;
		474
300	# this is the main coro, too bad, we have to block	475	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	476	# till the operation succeeds, freezing the server :/
302		477
303	# TODO: use suspend/resume instead	478	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	479
305	my $freeze_guard = freeze_mainloop;	480	my $freeze_guard = freeze_mainloop;
306		481
307	my $busy = 1;	482	my $busy = 1;
308	my @res;	483	my @res;
309		484
310	(async {	485	(async {
		486	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	487	@res = eval { $job->() };
312	warn $@ if $@;	488	warn $@ if $@;
313	undef $busy;	489	undef $busy;
314	})->prio (Coro::PRIO_MAX);	490	})->prio (Coro::PRIO_MAX);
315		491
316	while ($busy) {	492	while ($busy) {
317	Coro::cede or Event::one_event;	493	if (Coro::nready) {
		494	Coro::cede_notself;
		495	} else {
		496	EV::loop EV::LOOP_ONESHOT;
318	}	497	}
		498	}
		499
		500	my $time = EV::time - $time;
		501
		502	$TICK_START += $time; # do not account sync jobs to server load
319		503
320	wantarray ? @res : $res[0]	504	wantarray ? @res : $res[0]
321	} else {	505	} else {
322	# we are in another coroutine, how wonderful, everything just works	506	# we are in another coroutine, how wonderful, everything just works
323		507
…		…
343	$EXT_CORO{$coro+0} = $coro;	527	$EXT_CORO{$coro+0} = $coro;
344		528
345	$coro	529	$coro
346	}	530	}
347		531
348	sub write_runtime {	532	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		533
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	534	Executes the given code block with the given arguments in a seperate
352	or return;	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.
353		538
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	539	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		540
358	aio_fsync $fh	541	sub fork_call(&@) {
359	and return;	542	my ($cb, @args) = @_;
360		543
361	close $fh	544	# we seemingly have to make a local copy of the whole thing,
362	or return;	545	# otherwise perl prematurely frees the stuff :/
		546	# TODO: investigate and fix (likely this will be rather laborious)
363		547
364	aio_rename "$runtime~", $runtime	548	my @res = Coro::Util::fork_eval {
365	and return;	549	reset_signals;
		550	&$cb
		551	}, @args;
366		552
		553	wantarray ? @res : $res[-1]
		554	}
		555
		556	=item $coin = coin_from_name $name
		557
		558	=cut
		559
		560	our %coin_alias = (
		561	"silver" => "silvercoin",
		562	"silvercoin" => "silvercoin",
		563	"silvercoins" => "silvercoin",
		564	"gold" => "goldcoin",
		565	"goldcoin" => "goldcoin",
		566	"goldcoins" => "goldcoin",
		567	"platinum" => "platinacoin",
		568	"platinumcoin" => "platinacoin",
		569	"platinumcoins" => "platinacoin",
		570	"platina" => "platinacoin",
		571	"platinacoin" => "platinacoin",
		572	"platinacoins" => "platinacoin",
		573	"royalty" => "royalty",
		574	"royalties" => "royalty",
		575	);
		576
		577	sub coin_from_name($) {
		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($$) {
		625	my $key = "$_[0]/$_[1]";
		626
		627	cf::sync_job {
		628	BDB::db_get $DB, undef, $key, my $data;
		629
		630	$! ? ()
		631	: $data
367	1	632	}
		633	}
		634
		635	sub db_put($$$) {
		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 });
368	}	719	}
369		720
370	=back	721	=back
371		722
372	=cut	723	=cut
…		…
379	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")
380	to it. All such attachable objects support the following methods.	731	to it. All such attachable objects support the following methods.
381		732
382	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>
383	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
384	crossfire+).	735	Deliantra).
385		736
386	=over 4	737	=over 4
387		738
388	=item $attachable->attach ($attachment, key => $value...)	739	=item $attachable->attach ($attachment, key => $value...)
389		740
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	903	$registry = $CB_TYPE[$object_type] ||= [];
553		904
554	} elsif ($type eq "subtype") {	905	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	906	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	907	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	908	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		909
559	} elsif ($type eq "package") {	910	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	911	my $pkg = shift @arg;
561		912
562	while (my ($name, $id) = each %cb_id) {	913	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	942	_attach $registry, $klass, @attach;
592	}	943	}
593		944
594	$obj->{$name} = \%arg;	945	$obj->{$name} = \%arg;
595	} else {	946	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	947	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	948	}
598		949
599	$obj->{_attachment}{$name} = undef;	950	$obj->{_attachment}{$name} = undef;
600	}	951	}
601		952
…		…
603	if (ref $_[0]) {	954	if (ref $_[0]) {
604	_object_attach @_;	955	_object_attach @_;
605	} else {	956	} else {
606	_attach shift->_attach_registry, @_;	957	_attach shift->_attach_registry, @_;
607	}	958	}
		959	_recalc_want;
608	};	960	};
609		961
610	# all those should be optimised	962	# all those should be optimised
611	sub cf::attachable::detach {	963	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	964	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	967	delete $obj->{_attachment}{$name};
616	reattach ($obj);	968	reattach ($obj);
617	} else {	969	} else {
618	Carp::croak "cannot, currently, detach class attachments";	970	Carp::croak "cannot, currently, detach class attachments";
619	}	971	}
		972	_recalc_want;
620	};	973	};
621		974
622	sub cf::attachable::attached {	975	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	976	my ($obj, $name) = @_;
624		977
…		…
639	";	992	";
640	die if $@;	993	die if $@;
641	}	994	}
642		995
643	our $override;	996	our $override;
644	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?
645		998
646	sub override {	999	sub override {
647	$override = 1;	1000	$override = 1;
648	@invoke_results = ();	1001	@INVOKE_RESULTS = (@_);
649	}	1002	}
650		1003
651	sub do_invoke {	1004	sub do_invoke {
652	my $event = shift;	1005	my $event = shift;
653	my $callbacks = shift;	1006	my $callbacks = shift;
654		1007
655	@invoke_results = ();	1008	@INVOKE_RESULTS = ();
656		1009
657	local $override;	1010	local $override;
658		1011
659	for (@$callbacks) {	1012	for (@$callbacks) {
660	eval { &{$_->[1]} };	1013	eval { &{$_->[1]} };
…		…
669	}	1022	}
670		1023
671	0	1024	0
672	}	1025	}
673		1026
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1027	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1028
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1030
678	Generate an object-specific event with the given arguments.	1031	Generate an object-specific event with the given arguments.
679		1032
680	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
681	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
682	results (if you must, access C<@cf::invoke_results> directly).	1035	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1036
684	=back	1037	=back
685		1038
686	=cut	1039	=cut
687		1040
688	#############################################################################	1041	#############################################################################
689	# 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, $ob2
		1084	}
690		1085
691	sub reattach {	1086	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1087	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1088	my ($obj) = @_;
694		1089
…		…
715	cf::attachable->attach (	1110	cf::attachable->attach (
716	prio => -1000000,	1111	prio => -1000000,
717	on_instantiate => sub {	1112	on_instantiate => sub {
718	my ($obj, $data) = @_;	1113	my ($obj, $data) = @_;
719		1114
720	$data = from_json $data;	1115	$data = decode_json $data;
721		1116
722	for (@$data) {	1117	for (@$data) {
723	my ($name, $args) = @$_;	1118	my ($name, $args) = @$_;
724		1119
725	$obj->attach ($name, %{$args || {} });	1120	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1136	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1137	my ($filename, $rdata, $objs) = @_;
743		1138
744	sync_job {	1139	sync_job {
745	if (length $$rdata) {	1140	if (length $$rdata) {
		1141	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1142	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1143	$decname, length $$rdata, scalar @$objs;
748		1144
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1145	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1146	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1147	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1148	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1149	aio_close $fh;
754		1150
755	if (@$objs) {	1151	if (@$objs) {
756	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) {
757	chmod SAVE_MODE, $fh;	1153	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1154	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1155	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1156	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1157	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1158	aio_rename "$filename.pst~", "$filename.pst";
763	}	1159	}
764	} else {	1160	} else {
765	aio_unlink "$filename.pst";	1161	aio_unlink "$filename.pst";
766	}	1162	}
…		…
771	}	1167	}
772	} else {	1168	} else {
773	aio_unlink $filename;	1169	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1170	aio_unlink "$filename.pst";
775	}	1171	}
776	}	1172	};
777	}	1173	}
778		1174
779	sub object_freezer_as_string {	1175	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1176	my ($rdata, $objs) = @_;
781		1177
…		…
793	or return;	1189	or return;
794		1190
795	unless (aio_stat "$filename.pst") {	1191	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1192	(aio_load "$filename.pst", $av) >= 0
797	or return;	1193	or return;
		1194
798	$av = eval { (Storable::thaw $av)->{objs} };	1195	my $st = eval { Coro::Storable::thaw $av };
		1196	$av = $st->{objs};
799	}	1197	}
800		1198
		1199	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1200	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1201	$decname, length $data, scalar @{$av || []};
		1202
803	return ($data, $av);	1203	($data, $av)
804	}	1204	}
		1205
		1206	=head2 COMMAND CALLBACKS
		1207
		1208	=over 4
		1209
		1210	=cut
805		1211
806	#############################################################################	1212	#############################################################################
807	# command handling &c	1213	# command handling &c
808		1214
809	=item cf::register_command $name => \&callback($ob,$args);	1215	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1228	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1229	}
824		1230
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1231	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1232
827	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.
828		1238
829	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
830	called.	1240	called.
831		1241
		1242	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1243
		1244	Register a callback for execution when the client sends an (asynchronous)
		1245	exticmd packet. Exti commands are processed by the server as soon as they
		1246	are received, i.e. out of order w.r.t. other commands. The first argument
		1247	is a client socket. Exti commands can be received anytime, even before
		1248	log-in.
		1249
		1250	If the callback returns something, it is sent back as if reply was being
		1251	called.
		1252
832	=cut	1253	=cut
833		1254
834	sub register_extcmd {	1255	sub register_extcmd {
835	my ($name, $cb) = @_;	1256	my ($name, $cb) = @_;
836		1257
837	$EXTCMD{$name} = $cb;	1258	$EXTCMD{$name} = $cb;
		1259	}
		1260
		1261	sub register_exticmd {
		1262	my ($name, $cb) = @_;
		1263
		1264	$EXTICMD{$name} = $cb;
838	}	1265	}
839		1266
840	cf::player->attach (	1267	cf::player->attach (
841	on_command => sub {	1268	on_command => sub {
842	my ($pl, $name, $params) = @_;	1269	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1278	cf::override;
852	},	1279	},
853	on_extcmd => sub {	1280	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1281	my ($pl, $buf) = @_;
855		1282
856	my $msg = eval { from_json $buf };	1283	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1284
858	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
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1293	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1294	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1295	}
		1296
		1297	$pl->ext_reply ($reply, @reply)
		1298	if $reply;
		1299
864	} else {	1300	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1301	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1302	}
867		1303
868	cf::override;	1304	cf::override;
869	},	1305	},
870	);	1306	);
871		1307
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1308	sub load_extensions {
		1309	cf::sync_job {
		1310	my %todo;
		1311
907	for my $ext (<$LIBDIR/*.ext>) {	1312	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1313	next unless -r $path;
909	eval {	1314
910	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	$progress = 1;
911	1	1371	}
912	} or warn "$ext not loaded: $@";	1372
		1373	skip:
		1374	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1375	unless $progress;
		1376	}
913	}	1377	};
914	}	1378	}
915		1379
916	#############################################################################	1380	#############################################################################
917		1381
		1382	=back
		1383
918	=head2 CORE EXTENSIONS	1384	=head2 CORE EXTENSIONS
919		1385
920	Functions and methods that extend core crossfire objects.	1386	Functions and methods that extend core crossfire objects.
921		1387
922	=cut	1388	=cut
…		…
927		1393
928	=head3 cf::player	1394	=head3 cf::player
929		1395
930	=over 4	1396	=over 4
931		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
932	=item cf::player::find $login	1412	=item cf::player::find $login
933		1413
934	Returns the given player object, loading it if necessary (might block).	1414	Returns the given player object, loading it if necessary (might block).
935		1415
936	=cut	1416	=cut
937		1417
938	sub playerdir($) {	1418	sub playerdir($) {
939	cf::localdir	1419	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1420	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1421	}
945		1422
946	sub path($) {	1423	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1424	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1425
949	(playerdir $login) . "/$login.pl"	1426	(playerdir $login) . "/playerdata"
950	}	1427	}
951		1428
952	sub find_active($) {	1429	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1430	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1431	and $cf::PLAYER{$_[0]}->active
…		…
957		1434
958	sub exists($) {	1435	sub exists($) {
959	my ($login) = @_;	1436	my ($login) = @_;
960		1437
961	$cf::PLAYER{$login}	1438	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1439	or cf::sync_job { !aio_stat path $login }
963	}	1440	}
964		1441
965	sub find($) {	1442	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1443	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1444	my $login = $_[0];
968		1445
969	my $guard = cf::lock_acquire "user_find:$login";	1446	my $guard = cf::lock_acquire "user_find:$login";
970		1447
971	$cf::PLAYER{$_[0]} || do {	1448	$cf::PLAYER{$_[0]} || do {
972	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
973	or return;	1457	or return;
		1458
		1459	my $pl = cf::player::load_pl $f
		1460	or return;
		1461
		1462	local $cf::PLAYER_LOADING{$login} = $pl;
		1463	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1464	$cf::PLAYER{$login} = $pl
975	}	1465	}
976	}	1466	}
977	}	1467	}
978		1468
…		…
987	return if $pl->{deny_save};	1477	return if $pl->{deny_save};
988		1478
989	aio_mkdir playerdir $pl, 0770;	1479	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1480	$pl->{last_save} = $cf::RUNTIME;
991		1481
		1482	cf::get_slot 0.01;
		1483
992	$pl->save_pl ($path);	1484	$pl->save_pl ($path);
993	Coro::cede;	1485	cf::cede_to_tick;
994	}	1486	}
995		1487
996	sub new($) {	1488	sub new($) {
997	my ($login) = @_;	1489	my ($login) = @_;
998		1490
…		…
1004	$cf::PLAYER{$login} = $self;	1496	$cf::PLAYER{$login} = $self;
1005		1497
1006	$self	1498	$self
1007	}	1499	}
1008		1500
		1501	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1502
		1503	=cut
		1504
		1505	sub send_msg {
		1506	my $ns = shift->ns
		1507	or return;
		1508	$ns->send_msg (@_);
		1509	}
		1510
1009	=item $pl->quit_character	1511	=item $pl->quit_character
1010		1512
1011	Nukes the player without looking back. If logged in, the connection will	1513	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1514	be destroyed. May block for a long time.
1013		1515
1014	=cut	1516	=cut
1015		1517
1016	sub quit_character {	1518	sub quit_character {
1017	my ($pl) = @_;	1519	my ($pl) = @_;
1018		1520
		1521	my $name = $pl->ob->name;
		1522
1019	$pl->{deny_save} = 1;	1523	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1524	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1525
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1526	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1527	$pl->deactivate;
		1528	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1529	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1530	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1531	$pl->ns->destroy if $pl->ns;
1026		1532
1027	my $path = playerdir $pl;	1533	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1534	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1535	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1536	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1537	$pl->destroy;
		1538
		1539	my $prefix = qr<^~\Q$name\E/>;
		1540
		1541	# nuke player maps
		1542	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1543
1032	IO::AIO::aio_rmtree $temp;	1544	IO::AIO::aio_rmtree $temp;
		1545	}
		1546
		1547	=item $pl->kick
		1548
		1549	Kicks a player out of the game. This destroys the connection.
		1550
		1551	=cut
		1552
		1553	sub kick {
		1554	my ($pl, $kicker) = @_;
		1555
		1556	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1557	$pl->killer ("kicked");
		1558	$pl->ns->destroy;
1033	}	1559	}
1034		1560
1035	=item cf::player::list_logins	1561	=item cf::player::list_logins
1036		1562
1037	Returns am arrayref of all valid playernames in the system, can take a	1563	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1564	while and may block, so not sync_job-capable, ever.
1039		1565
1040	=cut	1566	=cut
1041		1567
1042	sub list_logins {	1568	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1569	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1570	or return [];
1045		1571
1046	my @logins;	1572	my @logins;
1047		1573
1048	for my $login (@$dirs) {	1574	for my $login (@$dirs) {
		1575	my $path = path $login;
		1576
		1577	# a .pst is a dead give-away for a valid player
		1578	# if no pst file found, open and chekc for blocked users
		1579	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1580	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1581	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1582	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1583	}
1052		1584
1053	utf8::decode $login;	1585	utf8::decode $login;
1054	push @logins, $login;	1586	push @logins, $login;
1055	}	1587	}
1056		1588
…		…
1064		1596
1065	=cut	1597	=cut
1066		1598
1067	sub maps($) {	1599	sub maps($) {
1068	my ($pl) = @_;	1600	my ($pl) = @_;
		1601
		1602	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1603
1070	my $files = aio_readdir playerdir $pl	1604	my $files = aio_readdir playerdir $pl
1071	or return;	1605	or return;
1072		1606
1073	my @paths;	1607	my @paths;
…		…
1075	for (@$files) {	1609	for (@$files) {
1076	utf8::decode $_;	1610	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1611	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1612	next unless /^$PATH_SEP/o;
1079		1613
1080	s/\.map$//;	1614	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1615	}
1083		1616
1084	\@paths	1617	\@paths
1085	}	1618	}
1086		1619
		1620	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1621
		1622	Expand crossfire pod fragments into protocol xml.
		1623
		1624	=cut
		1625
		1626	use re 'eval';
		1627
		1628	my $group;
		1629	my $interior; $interior = qr{
		1630	# match a pod interior sequence sans C<< >>
		1631	(?:
		1632	\ (.*?)\ (?{ $group = $^N })
		1633	| < (??{$interior}) >
		1634	)
		1635	}x;
		1636
		1637	sub expand_cfpod {
		1638	my ($self, $pod) = @_;
		1639
		1640	my $xml;
		1641
		1642	while () {
		1643	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1644	$group = $1;
		1645
		1646	$group =~ s/&/&amp;/g;
		1647	$group =~ s/</&lt;/g;
		1648
		1649	$xml .= $group;
		1650	} elsif ($pod =~ m%\G
		1651	([BCGHITU])
		1652	<
		1653	(?:
		1654	([^<>]*) (?{ $group = $^N })
		1655	| < $interior >
		1656	)
		1657	>
		1658	%gcsx
		1659	) {
		1660	my ($code, $data) = ($1, $group);
		1661
		1662	if ($code eq "B") {
		1663	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1664	} elsif ($code eq "I") {
		1665	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1666	} elsif ($code eq "U") {
		1667	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1668	} elsif ($code eq "C") {
		1669	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1670	} elsif ($code eq "T") {
		1671	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1672	} elsif ($code eq "G") {
		1673	my ($male, $female) = split /\|/, $data;
		1674	$data = $self->gender ? $female : $male;
		1675	$xml .= expand_cfpod ($self, $data);
		1676	} elsif ($code eq "H") {
		1677	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1678	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1679	"")
		1680	[$self->{hintmode}];
		1681	} else {
		1682	$xml .= "error processing '$code($data)' directive";
		1683	}
		1684	} else {
		1685	if ($pod =~ /\G(.+)/) {
		1686	warn "parse error while expanding $pod (at $1)";
		1687	}
		1688	last;
		1689	}
		1690	}
		1691
		1692	for ($xml) {
		1693	# create single paragraphs (very hackish)
		1694	s/(?<=\S)\n(?=\w)/ /g;
		1695
		1696	# compress some whitespace
		1697	s/\s+\n/\n/g; # ws line-ends
		1698	s/\n\n+/\n/g; # double lines
		1699	s/^\n+//; # beginning lines
		1700	s/\n+$//; # ending lines
		1701	}
		1702
		1703	$xml
		1704	}
		1705
		1706	no re 'eval';
		1707
		1708	sub hintmode {
		1709	$_[0]{hintmode} = $_[1] if @_ > 1;
		1710	$_[0]{hintmode}
		1711	}
		1712
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1713	=item $player->ext_reply ($msgid, @msg)
1088		1714
1089	Sends an ext reply to the player.	1715	Sends an ext reply to the player.
1090		1716
1091	=cut	1717	=cut
1092		1718
1093	sub ext_reply($$$%) {	1719	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1720	my ($self, $id, @msg) = @_;
1095		1721
1096	$msg{msgid} = $id;	1722	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1723	}
1100		1724
1101	package cf;	1725	=item $player->ext_msg ($type, @msg)
		1726
		1727	Sends an ext event to the client.
		1728
		1729	=cut
		1730
		1731	sub ext_msg($$@) {
		1732	my ($self, $type, @msg) = @_;
		1733
		1734	$self->ns->ext_msg ($type, @msg);
		1735	}
		1736
		1737	=head3 cf::region
		1738
		1739	=over 4
		1740
		1741	=cut
		1742
		1743	package cf::region;
		1744
		1745	=item cf::region::find_by_path $path
		1746
		1747	Tries to decuce the likely region for a map knowing only its path.
		1748
		1749	=cut
		1750
		1751	sub find_by_path($) {
		1752	my ($path) = @_;
		1753
		1754	my ($match, $specificity);
		1755
		1756	for my $region (list) {
		1757	if ($region->{match} && $path =~ $region->{match}) {
		1758	($match, $specificity) = ($region, $region->specificity)
		1759	if $region->specificity > $specificity;
		1760	}
		1761	}
		1762
		1763	$match
		1764	}
1102		1765
1103	=back	1766	=back
1104
1105		1767
1106	=head3 cf::map	1768	=head3 cf::map
1107		1769
1108	=over 4	1770	=over 4
1109		1771
…		…
1113		1775
1114	use Fcntl;	1776	use Fcntl;
1115	use Coro::AIO;	1777	use Coro::AIO;
1116		1778
1117	use overload	1779	use overload
1118	'""' => \&as_string;	1780	'""' => \&as_string,
		1781	fallback => 1;
1119		1782
1120	our $MAX_RESET = 3600;	1783	our $MAX_RESET = 3600;
1121	our $DEFAULT_RESET = 3000;	1784	our $DEFAULT_RESET = 3000;
1122		1785
1123	sub generate_random_map {	1786	sub generate_random_map {
1124	my ($self, $rmp) = @_;	1787	my ($self, $rmp) = @_;
		1788
		1789	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1125		1790
1126	# mit "rum" bekleckern, nicht	1791	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1792	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1793	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1794	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1802	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1803	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1804	)
1140	}	1805	}
1141		1806
		1807	=item cf::map->register ($regex, $prio)
		1808
		1809	Register a handler for the map path matching the given regex at the
		1810	givne priority (higher is better, built-in handlers have priority 0, the
		1811	default).
		1812
		1813	=cut
		1814
1142	sub register {	1815	sub register {
1143	my (undef, $regex) = @_;	1816	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1817	my $pkg = caller;
1145		1818
1146	no strict;	1819	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1820	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1821
1149	$EXT_MAP{$pkg} = qr<$regex>;	1822	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1823	}
1151		1824
1152	# also paths starting with '/'	1825	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1826	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1827
1155	sub thawer_merge {	1828	sub thawer_merge {
1156	my ($self, $merge) = @_;	1829	my ($self, $merge) = @_;
1157		1830
1158	# we have to keep some variables in memory intact	1831	# we have to keep some variables in memory intact
1159	local $self->{path};	1832	local $self->{path};
1160	local $self->{load_path};	1833	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1834
1164	$self->SUPER::thawer_merge ($merge);	1835	$self->SUPER::thawer_merge ($merge);
1165	}	1836	}
1166		1837
1167	sub normalise {	1838	sub normalise {
1168	my ($path, $base) = @_;	1839	my ($path, $base) = @_;
		1840
		1841	$path = "$path"; # make sure its a string
		1842
		1843	$path =~ s/\.map$//;
1169		1844
1170	# map plan:	1845	# map plan:
1171	#	1846	#
1172	# /! non-realised random map exit (special hack!)	1847	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1848	# {... are special paths that are not being touched
…		…
1201		1876
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1877	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1878
1204	$path = normalise $path, $base;	1879	$path = normalise $path, $base;
1205		1880
1206	for my $pkg (keys %EXT_MAP) {	1881	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1882	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1883	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1884	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1885	$self->init; # pass $1 etc.
1211	return $self;	1886	return $self;
1212	}	1887	}
1213	}	1888	}
1214		1889
1215	Carp::carp "unable to resolve path '$path'.";	1890	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1891	()
1217	}	1892	}
1218		1893
1219	sub init {	1894	sub init {
1220	my ($self) = @_;	1895	my ($self) = @_;
…		…
1235		1910
1236	# the original (read-only) location	1911	# the original (read-only) location
1237	sub load_path {	1912	sub load_path {
1238	my ($self) = @_;	1913	my ($self) = @_;
1239		1914
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1915	"$MAPDIR/$self->{path}.map"
1241	}	1916	}
1242		1917
1243	# the temporary/swap location	1918	# the temporary/swap location
1244	sub save_path {	1919	sub save_path {
1245	my ($self) = @_;	1920	my ($self) = @_;
1246		1921
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1922	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1923	"$TMPDIR/$path.map"
1249	}	1924	}
1250		1925
1251	# the unique path, undef == no special unique path	1926	# the unique path, undef == no special unique path
1252	sub uniq_path {	1927	sub uniq_path {
1253	my ($self) = @_;	1928	my ($self) = @_;
1254		1929
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1930	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1931	"$UNIQUEDIR/$path"
1257	}	1932	}
1258		1933
1259	# and all this just because we cannot iterate over	1934	# and all this just because we cannot iterate over
1260	# all maps in C++...	1935	# all maps in C++...
1261	sub change_all_map_light {	1936	sub change_all_map_light {
…		…
1263		1938
1264	$_->change_map_light ($change)	1939	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1940	for grep $_->outdoor, values %cf::MAP;
1266	}	1941	}
1267		1942
		1943	sub decay_objects {
		1944	my ($self) = @_;
		1945
		1946	return if $self->{deny_reset};
		1947
		1948	$self->do_decay_objects;
		1949	}
		1950
1268	sub unlink_save {	1951	sub unlink_save {
1269	my ($self) = @_;	1952	my ($self) = @_;
1270		1953
1271	utf8::encode (my $save = $self->save_path);	1954	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1955	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1958
1276	sub load_header_from($) {	1959	sub load_header_from($) {
1277	my ($self, $path) = @_;	1960	my ($self, $path) = @_;
1278		1961
1279	utf8::encode $path;	1962	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1963	my $f = new_from_file cf::object::thawer $path
1281	or return;	1964	or return;
1282		1965
1283	$self->_load_header ($path)	1966	$self->_load_header ($f)
1284	or return;	1967	or return;
1285		1968
		1969	local $MAP_LOADING{$self->{path}} = $self;
		1970	$f->resolve_delayed_derefs;
		1971
1286	$self->{load_path} = $path;	1972	$self->{load_path} = $path;
1287		1973
1288	1	1974	1
1289	}	1975	}
1290		1976
1291	sub load_orig {	1977	sub load_header_orig {
1292	my ($self) = @_;	1978	my ($self) = @_;
1293		1979
1294	$self->load_header_from ($self->load_path)	1980	$self->load_header_from ($self->load_path)
1295	}	1981	}
1296		1982
1297	sub load_temp {	1983	sub load_header_temp {
1298	my ($self) = @_;	1984	my ($self) = @_;
1299		1985
1300	$self->load_header_from ($self->save_path)	1986	$self->load_header_from ($self->save_path)
		1987	}
		1988
		1989	sub prepare_temp {
		1990	my ($self) = @_;
		1991
		1992	$self->last_access ((delete $self->{last_access})
		1993	|| $cf::RUNTIME); #d#
		1994	# safety
		1995	$self->{instantiate_time} = $cf::RUNTIME
		1996	if $self->{instantiate_time} > $cf::RUNTIME;
		1997	}
		1998
		1999	sub prepare_orig {
		2000	my ($self) = @_;
		2001
		2002	$self->{load_original} = 1;
		2003	$self->{instantiate_time} = $cf::RUNTIME;
		2004	$self->last_access ($cf::RUNTIME);
		2005	$self->instantiate;
1301	}	2006	}
1302		2007
1303	sub load_header {	2008	sub load_header {
1304	my ($self) = @_;	2009	my ($self) = @_;
1305		2010
1306	if ($self->load_temp) {	2011	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2012	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2013	} else {
1313	$self->load_orig	2014	$self->load_header_orig
1314	or return;	2015	or return;
1315		2016	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2017	}
		2018
		2019	$self->{deny_reset} = 1
		2020	if $self->no_reset;
		2021
		2022	$self->default_region (cf::region::find_by_path $self->{path})
		2023	unless $self->default_region;
1321		2024
1322	1	2025	1
1323	}	2026	}
1324		2027
1325	sub find;	2028	sub find;
1326	sub find {	2029	sub find {
1327	my ($path, $origin) = @_;	2030	my ($path, $origin) = @_;
1328		2031
1329	$path = normalise $path, $origin && $origin->path;	2032	$path = normalise $path, $origin && $origin->path;
1330		2033
		2034	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2035	cf::lock_wait "map_find:$path";
1332		2036
1333	$cf::MAP{$path} || do {	2037	$cf::MAP{$path} || do {
		2038	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	2039	my $guard2 = cf::lock_acquire "map_find:$path";
		2040
1335	my $map = new_from_path cf::map $path	2041	my $map = new_from_path cf::map $path
1336	or return;	2042	or return;
1337		2043
1338	$map->{last_save} = $cf::RUNTIME;	2044	$map->{last_save} = $cf::RUNTIME;
1339		2045
1340	$map->load_header	2046	$map->load_header
1341	or return;	2047	or return;
1342		2048
1343	if ($map->should_reset) {	2049	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2050	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2051	#$cf::WAIT_FOR_TICK->wait;
		2052	undef $guard2;
		2053	undef $guard1;
1345	$map->reset;	2054	$map->reset;
1346	undef $guard;
1347	$map = find $path	2055	return find $path;
1348	or return;
1349	}	2056	}
1350		2057
1351	$cf::MAP{$path} = $map	2058	$cf::MAP{$path} = $map
1352	}	2059	}
1353	}	2060	}
		2061
		2062	sub pre_load { }
		2063	sub post_load { }
1354		2064
1355	sub load {	2065	sub load {
1356	my ($self) = @_;	2066	my ($self) = @_;
1357		2067
		2068	local $self->{deny_reset} = 1; # loading can take a long time
		2069
1358	my $path = $self->{path};	2070	my $path = $self->{path};
		2071
		2072	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2073	my $guard = cf::lock_acquire "map_data:$path";
1360		2074
		2075	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2076	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2077
1363	$self->in_memory (cf::MAP_LOADING);	2078	$self->in_memory (cf::MAP_LOADING);
1364		2079
1365	$self->alloc;	2080	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2081
		2082	$self->pre_load;
		2083	cf::cede_to_tick;
		2084
		2085	my $f = new_from_file cf::object::thawer $self->{load_path};
		2086	$f->skip_block;
		2087	$self->_load_objects ($f)
1367	or return;	2088	or return;
1368		2089
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2090	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	2091	if delete $self->{load_original};
1371		2092
1372	if (my $uniq = $self->uniq_path) {	2093	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2094	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2095	unless (aio_stat $uniq) {
		2096	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2097	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2098	$self->_load_objects ($f);
		2099	$f->resolve_delayed_derefs;
		2100	}
1377	}	2101	}
1378	}	2102	}
1379		2103
1380	Coro::cede;	2104	$f->resolve_delayed_derefs;
1381		2105
		2106	cf::cede_to_tick;
1382	# now do the right thing for maps	2107	# now do the right thing for maps
1383	$self->link_multipart_objects;	2108	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	2109	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2110	unless $self->difficulty;
1393	Coro::cede;	2111	cf::cede_to_tick;
		2112
		2113	unless ($self->{deny_activate}) {
		2114	$self->decay_objects;
		2115	$self->fix_auto_apply;
		2116	$self->update_buttons;
		2117	cf::cede_to_tick;
		2118	$self->set_darkness_map;
		2119	cf::cede_to_tick;
1394	$self->activate;	2120	$self->activate;
1395	}	2121	}
1396		2122
		2123	$self->{last_save} = $cf::RUNTIME;
		2124	$self->last_access ($cf::RUNTIME);
		2125
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2126	$self->in_memory (cf::MAP_ACTIVE);
		2127	}
		2128
		2129	$self->post_load;
1398	}	2130	}
1399		2131
1400	sub customise_for {	2132	sub customise_for {
1401	my ($self, $ob) = @_;	2133	my ($self, $ob) = @_;
1402		2134
1403	return find "~" . $ob->name . "/" . $self->{path}	2135	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2136	if $self->per_player;
1405		2137
		2138	# return find "?party/" . $ob->name . "/" . $self->{path}
		2139	# if $self->per_party;
		2140
1406	$self	2141	$self
1407	}	2142	}
1408		2143
1409	# find and load all maps in the 3x3 area around a map	2144	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2145	sub load_neighbours {
1411	my ($map) = @_;	2146	my ($map) = @_;
1412		2147
1413	my @diag; # diagonal neighbours	2148	my @neigh; # diagonal neighbours
1414		2149
1415	for (0 .. 3) {	2150	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2151	my $neigh = $map->tile_path ($_)
1417	or next;	2152	or next;
1418	$neigh = find $neigh, $map	2153	$neigh = find $neigh, $map
1419	or next;	2154	or next;
1420	$neigh->load;	2155	$neigh->load;
1421		2156
		2157	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2158	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2159	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2160	}
1425		2161
1426	for (@diag) {	2162	for (grep defined $_->[0], @neigh) {
		2163	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2164	my $neigh = find $path, $origin
1428	or next;	2165	or next;
1429	$neigh->load;	2166	$neigh->load;
1430	}	2167	}
1431	}	2168	}
1432		2169
…		…
1437	}	2174	}
1438		2175
1439	sub do_load_sync {	2176	sub do_load_sync {
1440	my ($map) = @_;	2177	my ($map) = @_;
1441		2178
		2179	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2180	if $Coro::current == $Coro::main;
		2181
1442	cf::sync_job { $map->load };	2182	cf::sync_job { $map->load };
1443	}	2183	}
1444		2184
1445	our %MAP_PREFETCH;	2185	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2186	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2187
1459	sub find_async {	2188	sub find_async {
1460	my ($path, $origin) = @_;	2189	my ($path, $origin, $load) = @_;
1461		2190
1462	$path = normalise $path, $origin && $origin->{path};	2191	$path = normalise $path, $origin && $origin->{path};
1463		2192
1464	if (my $map = $cf::MAP{$path}) {	2193	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2194	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2195	}
		2196
		2197	$MAP_PREFETCH{$path} |= $load;
		2198
		2199	$MAP_PREFETCHER ||= cf::async {
		2200	$Coro::current->{desc} = "map prefetcher";
		2201
		2202	while (%MAP_PREFETCH) {
		2203	while (my ($k, $v) = each %MAP_PREFETCH) {
		2204	if (my $map = find $k) {
		2205	$map->load if $v;
		2206	}
		2207
		2208	delete $MAP_PREFETCH{$k};
		2209	}
		2210	}
		2211	undef $MAP_PREFETCHER;
1466	}	2212	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2213	$MAP_PREFETCHER->prio (6);
1470		2214
1471	()	2215	()
1472	}	2216	}
1473		2217
1474	sub save {	2218	sub save {
1475	my ($self) = @_;	2219	my ($self) = @_;
1476		2220
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2221	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2222
1479	$self->{last_save} = $cf::RUNTIME;	2223	$self->{last_save} = $cf::RUNTIME;
1480		2224
1481	return unless $self->dirty;	2225	return unless $self->dirty;
1482		2226
…		…
1488	return if $self->{deny_save};	2232	return if $self->{deny_save};
1489		2233
1490	local $self->{last_access} = $self->last_access;#d#	2234	local $self->{last_access} = $self->last_access;#d#
1491		2235
1492	cf::async {	2236	cf::async {
		2237	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2238	$_->contr->save for $self->players;
1494	};	2239	};
		2240
		2241	cf::get_slot 0.02;
1495		2242
1496	if ($uniq) {	2243	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2244	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2245	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2246	} else {
…		…
1505	my ($self) = @_;	2252	my ($self) = @_;
1506		2253
1507	# save first because save cedes	2254	# save first because save cedes
1508	$self->save;	2255	$self->save;
1509		2256
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2257	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2258
1512	return if $self->players;	2259	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2260	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2261	return if $self->{deny_save};
1515		2262
		2263	$self->in_memory (cf::MAP_SWAPPED);
		2264
		2265	$self->deactivate;
		2266	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2267	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2268	}
1519		2269
1520	sub reset_at {	2270	sub reset_at {
1521	my ($self) = @_;	2271	my ($self) = @_;
1522		2272
1523	# TODO: safety, remove and allow resettable per-player maps	2273	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2274	return 1e99 if $self->{deny_reset};
1526		2275
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2276	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2277	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2278
…		…
1534	my ($self) = @_;	2283	my ($self) = @_;
1535		2284
1536	$self->reset_at <= $cf::RUNTIME	2285	$self->reset_at <= $cf::RUNTIME
1537	}	2286	}
1538		2287
1539	sub rename {
1540	my ($self, $new_path) = @_;
1541
1542	normalise $new_path;
1543
1544	$self->unlink_save;
1545
1546	delete $cf::MAP{$self->path};
1547	$self->{path} = $new_path; $self->path ($self->{path});
1548	$cf::MAP{$self->path} = $self;
1549
1550	$self->save;
1551	}
1552
1553	sub reset {	2288	sub reset {
1554	my ($self) = @_;	2289	my ($self) = @_;
1555		2290
1556	my $lock = cf::lock_acquire "map_data:$self->{path}";	2291	my $lock = cf::lock_acquire "map_data:$self->{path}";
1557		2292
1558	return if $self->players;	2293	return if $self->players;
1559	return if $self->isa ("ext::map_per_player");#d#
1560		2294
1561	warn "resetting map ", $self->path;#d#	2295	warn "resetting map ", $self->path;
		2296
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# need to save uniques path
		2300	unless ($self->{deny_save}) {
		2301	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2302
		2303	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2304	if $uniq;
		2305	}
1562		2306
1563	delete $cf::MAP{$self->path};	2307	delete $cf::MAP{$self->path};
1564		2308
1565	$self->in_memory (cf::MAP_SWAPPED);	2309	$self->deactivate;
		2310	$_->clear_links_to ($self) for values %cf::MAP;
1566	$self->clear;	2311	$self->clear;
1567
1568	$_->clear_links_to ($self) for values %cf::MAP;
1569		2312
1570	$self->unlink_save;	2313	$self->unlink_save;
1571	$self->destroy;	2314	$self->destroy;
1572	}	2315	}
1573		2316
1574	my $nuke_counter = "aaaa";	2317	my $nuke_counter = "aaaa";
1575		2318
1576	sub nuke {	2319	sub nuke {
1577	my ($self) = @_;	2320	my ($self) = @_;
1578		2321
		2322	{
		2323	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2324
		2325	delete $cf::MAP{$self->path};
		2326
		2327	$self->unlink_save;
		2328
		2329	bless $self, "cf::map";
		2330	delete $self->{deny_reset};
1579	$self->{deny_save} = 1;	2331	$self->{deny_save} = 1;
1580	$self->reset_timeout (1);	2332	$self->reset_timeout (1);
1581	$self->rename ("{nuke}/" . ($nuke_counter++));	2333	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2334
		2335	$cf::MAP{$self->path} = $self;
		2336	}
		2337
1582	$self->reset; # polite request, might not happen	2338	$self->reset; # polite request, might not happen
		2339	}
		2340
		2341	=item $maps = cf::map::tmp_maps
		2342
		2343	Returns an arrayref with all map paths of currently instantiated and saved
		2344	maps. May block.
		2345
		2346	=cut
		2347
		2348	sub tmp_maps() {
		2349	[
		2350	map {
		2351	utf8::decode $_;
		2352	/\.map$/
		2353	? normalise $_
		2354	: ()
		2355	} @{ aio_readdir $TMPDIR or [] }
		2356	]
		2357	}
		2358
		2359	=item $maps = cf::map::random_maps
		2360
		2361	Returns an arrayref with all map paths of currently instantiated and saved
		2362	random maps. May block.
		2363
		2364	=cut
		2365
		2366	sub random_maps() {
		2367	[
		2368	map {
		2369	utf8::decode $_;
		2370	/\.map$/
		2371	? normalise "?random/$_"
		2372	: ()
		2373	} @{ aio_readdir $RANDOMDIR or [] }
		2374	]
1583	}	2375	}
1584		2376
1585	=item cf::map::unique_maps	2377	=item cf::map::unique_maps
1586		2378
1587	Returns an arrayref of paths of all shared maps that have	2379	Returns an arrayref of paths of all shared maps that have
1588	instantiated unique items. May block.	2380	instantiated unique items. May block.
1589		2381
1590	=cut	2382	=cut
1591		2383
1592	sub unique_maps() {	2384	sub unique_maps() {
1593	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2385	[
1594	or return;	2386	map {
1595
1596	my @paths;
1597
1598	for (@$files) {
1599	utf8::decode $_;	2387	utf8::decode $_;
1600	next if /\.pst$/;	2388	s/\.map$//; # TODO future compatibility hack
1601	next unless /^$PATH_SEP/o;	2389	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1602		2390	? ()
1603	s/\.map$//;	2391	: normalise $_
1604	push @paths, $_;	2392	} @{ aio_readdir $UNIQUEDIR or [] }
1605	}	2393	]
1606
1607	\@paths
1608	}	2394	}
1609
1610	package cf;
1611		2395
1612	=back	2396	=back
1613		2397
1614	=head3 cf::object	2398	=head3 cf::object
1615		2399
…		…
1619		2403
1620	=over 4	2404	=over 4
1621		2405
1622	=item $ob->inv_recursive	2406	=item $ob->inv_recursive
1623		2407
1624	Returns the inventory of the object _and_ their inventories, recursively.	2408	Returns the inventory of the object I<and> their inventories, recursively,
		2409	but I<not> the object itself.
1625		2410
1626	=cut	2411	=cut
1627		2412
1628	sub inv_recursive_;	2413	sub inv_recursive_;
1629	sub inv_recursive_ {	2414	sub inv_recursive_ {
…		…
1632		2417
1633	sub inv_recursive {	2418	sub inv_recursive {
1634	inv_recursive_ inv $_[0]	2419	inv_recursive_ inv $_[0]
1635	}	2420	}
1636		2421
		2422	=item $ref = $ob->ref
		2423
		2424	Creates and returns a persistent reference to an object that can be stored as a string.
		2425
		2426	=item $ob = cf::object::deref ($refstring)
		2427
		2428	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2429	even if the object actually exists. May block.
		2430
		2431	=cut
		2432
		2433	sub deref {
		2434	my ($ref) = @_;
		2435
		2436	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2437	my ($uuid, $name) = ($1, $2);
		2438	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2439	or return;
		2440	$pl->ob->uuid eq $uuid
		2441	or return;
		2442
		2443	$pl->ob
		2444	} else {
		2445	warn "$ref: cannot resolve object reference\n";
		2446	undef
		2447	}
		2448	}
		2449
1637	package cf;	2450	package cf;
1638		2451
1639	=back	2452	=back
1640		2453
1641	=head3 cf::object::player	2454	=head3 cf::object::player
…		…
1647	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2460	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1648	can be C<undef>. Does the right thing when the player is currently in a	2461	can be C<undef>. Does the right thing when the player is currently in a
1649	dialogue with the given NPC character.	2462	dialogue with the given NPC character.
1650		2463
1651	=cut	2464	=cut
		2465
		2466	our $SAY_CHANNEL = {
		2467	id => "say",
		2468	title => "Map",
		2469	reply => "say ",
		2470	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2471	};
		2472
		2473	our $CHAT_CHANNEL = {
		2474	id => "chat",
		2475	title => "Chat",
		2476	reply => "chat ",
		2477	tooltip => "Player chat and shouts, global to the server.",
		2478	};
1652		2479
1653	# rough implementation of a future "reply" method that works	2480	# rough implementation of a future "reply" method that works
1654	# with dialog boxes.	2481	# with dialog boxes.
1655	#TODO: the first argument must go, split into a $npc->reply_to ( method	2482	#TODO: the first argument must go, split into a $npc->reply_to ( method
1656	sub cf::object::player::reply($$$;$) {	2483	sub cf::object::player::reply($$$;$) {
…		…
1658		2485
1659	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2486	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1660		2487
1661	if ($self->{record_replies}) {	2488	if ($self->{record_replies}) {
1662	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2489	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2490
1663	} else {	2491	} else {
		2492	my $pl = $self->contr;
		2493
		2494	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2495	my $dialog = $pl->{npc_dialog};
		2496	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2497
		2498	} else {
1664	$msg = $npc->name . " says: $msg" if $npc;	2499	$msg = $npc->name . " says: $msg" if $npc;
1665	$self->message ($msg, $flags);	2500	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2501	}
1666	}	2502	}
		2503	}
		2504
		2505	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2506
		2507	=cut
		2508
		2509	sub cf::object::send_msg {
		2510	my $pl = shift->contr
		2511	or return;
		2512	$pl->send_msg (@_);
1667	}	2513	}
1668		2514
1669	=item $player_object->may ("access")	2515	=item $player_object->may ("access")
1670		2516
1671	Returns wether the given player is authorized to access resource "access"	2517	Returns wether the given player is authorized to access resource "access"
…		…
1703	=cut	2549	=cut
1704		2550
1705	sub link_map {	2551	sub link_map {
1706	unless ($LINK_MAP) {	2552	unless ($LINK_MAP) {
1707	$LINK_MAP = cf::map::find "{link}"	2553	$LINK_MAP = cf::map::find "{link}"
1708	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2554	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1709	$LINK_MAP->load;	2555	$LINK_MAP->load;
1710	}	2556	}
1711		2557
1712	$LINK_MAP	2558	$LINK_MAP
1713	}	2559	}
…		…
1718	$self->deactivate_recursive;	2564	$self->deactivate_recursive;
1719		2565
1720	return if UNIVERSAL::isa $self->map, "ext::map_link";	2566	return if UNIVERSAL::isa $self->map, "ext::map_link";
1721		2567
1722	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2568	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1723	if $self->map;	2569	if $self->map && $self->map->{path} ne "{link}";
1724		2570
1725	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2571	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1726	}	2572	}
1727		2573
1728	sub cf::object::player::leave_link {	2574	sub cf::object::player::leave_link {
1729	my ($self, $map, $x, $y) = @_;	2575	my ($self, $map, $x, $y) = @_;
		2576
		2577	return unless $self->contr->active;
1730		2578
1731	my $link_pos = delete $self->{_link_pos};	2579	my $link_pos = delete $self->{_link_pos};
1732		2580
1733	unless ($map) {	2581	unless ($map) {
1734	# restore original map position	2582	# restore original map position
…		…
1748	# use -1 or undef as default coordinates, not 0, 0	2596	# use -1 or undef as default coordinates, not 0, 0
1749	($x, $y) = ($map->enter_x, $map->enter_y)	2597	($x, $y) = ($map->enter_x, $map->enter_y)
1750	if $x <=0 && $y <= 0;	2598	if $x <=0 && $y <= 0;
1751		2599
1752	$map->load;	2600	$map->load;
1753	$map->load_diag;	2601	$map->load_neighbours;
1754		2602
1755	return unless $self->contr->active;	2603	return unless $self->contr->active;
1756	$self->activate_recursive;	2604	$self->activate_recursive;
		2605
		2606	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1757	$self->enter_map ($map, $x, $y);	2607	$self->enter_map ($map, $x, $y);
1758	}	2608	}
1759		2609
1760	cf::player->attach (	2610	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1761	on_logout => sub {
1762	my ($pl) = @_;
1763		2611
1764	# abort map switching before logout	2612	Moves the player to the given map-path and coordinates by first freezing
1765	if ($pl->ob->{_link_pos}) {	2613	her, loading and preparing them map, calling the provided $check callback
1766	cf::sync_job {	2614	that has to return the map if sucecssful, and then unfreezes the player on
1767	$pl->ob->leave_link	2615	the new (success) or old (failed) map position. In either case, $done will
1768	};	2616	be called at the end of this process.
1769	}
1770	},
1771	on_login => sub {
1772	my ($pl) = @_;
1773		2617
1774	# try to abort aborted map switching on player login :)
1775	# should happen only on crashes
1776	if ($pl->ob->{_link_pos}) {
1777	$pl->ob->enter_link;
1778	(async {
1779	# we need this sleep as the login has a concurrent enter_exit running
1780	# and this sleep increases chances of the player not ending up in scorn
1781	$pl->ob->reply (undef,
1782	"There was an internal problem at your last logout, "
1783	. "the server will try to bring you to your intended destination in a second.",
1784	cf::NDI_RED);
1785	Coro::Timer::sleep 1;
1786	$pl->ob->leave_link;
1787	})->prio (2);
1788	}
1789	},
1790	);
1791
1792	=item $player_object->goto ($path, $x, $y)
1793
1794	=cut	2618	=cut
		2619
		2620	our $GOTOGEN;
1795		2621
1796	sub cf::object::player::goto {	2622	sub cf::object::player::goto {
1797	my ($self, $path, $x, $y) = @_;	2623	my ($self, $path, $x, $y, $check, $done) = @_;
		2624
		2625	# do generation counting so two concurrent goto's will be executed in-order
		2626	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1798		2627
1799	$self->enter_link;	2628	$self->enter_link;
1800		2629
1801	(async {	2630	(async {
1802	my $map = cf::map::find $path;	2631	$Coro::current->{desc} = "player::goto $path $x $y";
		2632
		2633	# *tag paths override both path and x|y
		2634	if ($path =~ /^\*(.*)$/) {
		2635	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2636	my $ob = $obs[rand @obs];
		2637
		2638	# see if we actually can go there
		2639	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2640	$ob = $obs[rand @obs];
		2641	} else {
		2642	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2643	}
		2644	# else put us there anyways for now #d#
		2645
		2646	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2647	} else {
		2648	($path, $x, $y) = (undef, undef, undef);
		2649	}
		2650	}
		2651
		2652	my $map = eval {
		2653	my $map = defined $path ? cf::map::find $path : undef;
		2654
		2655	if ($map) {
1803	$map = $map->customise_for ($self) if $map;	2656	$map = $map->customise_for ($self);
1804		2657	$map = $check->($map) if $check && $map;
1805	# warn "entering ", $map->path, " at ($x, $y)\n"	2658	} else {
1806	# if $map;
1807
1808	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2659	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2660	}
1809		2661
		2662	$map
		2663	};
		2664
		2665	if ($@) {
		2666	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2667	LOG llevError | logBacktrace, Carp::longmess $@;
		2668	}
		2669
		2670	if ($gen == $self->{_goto_generation}) {
		2671	delete $self->{_goto_generation};
1810	$self->leave_link ($map, $x, $y);	2672	$self->leave_link ($map, $x, $y);
		2673	}
		2674
		2675	$done->() if $done;
1811	})->prio (1);	2676	})->prio (1);
1812	}	2677	}
1813		2678
1814	=item $player_object->enter_exit ($exit_object)	2679	=item $player_object->enter_exit ($exit_object)
1815		2680
…		…
1817		2682
1818	sub parse_random_map_params {	2683	sub parse_random_map_params {
1819	my ($spec) = @_;	2684	my ($spec) = @_;
1820		2685
1821	my $rmp = { # defaults	2686	my $rmp = { # defaults
1822	xsize => 10,	2687	xsize => (cf::rndm 15, 40),
1823	ysize => 10,	2688	ysize => (cf::rndm 15, 40),
		2689	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2690	#layout => string,
1824	};	2691	};
1825		2692
1826	for (split /\n/, $spec) {	2693	for (split /\n/, $spec) {
1827	my ($k, $v) = split /\s+/, $_, 2;	2694	my ($k, $v) = split /\s+/, $_, 2;
1828		2695
…		…
1840	# that depends on the exit object	2707	# that depends on the exit object
1841		2708
1842	my $rmp = parse_random_map_params $exit->msg;	2709	my $rmp = parse_random_map_params $exit->msg;
1843		2710
1844	if ($exit->map) {	2711	if ($exit->map) {
1845	$rmp->{region} = $exit->map->region_name;	2712	$rmp->{region} = $exit->region->name;
1846	$rmp->{origin_map} = $exit->map->path;	2713	$rmp->{origin_map} = $exit->map->path;
1847	$rmp->{origin_x} = $exit->x;	2714	$rmp->{origin_x} = $exit->x;
1848	$rmp->{origin_y} = $exit->y;	2715	$rmp->{origin_y} = $exit->y;
		2716
		2717	$exit->map->touch;
1849	}	2718	}
1850		2719
1851	$rmp->{random_seed} ||= $exit->random_seed;	2720	$rmp->{random_seed} ||= $exit->random_seed;
1852		2721
1853	my $data = cf::to_json $rmp;	2722	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1854	my $md5 = Digest::MD5::md5_hex $data;	2723	my $md5 = Digest::MD5::md5_hex $data;
		2724	my $meta = "$RANDOMDIR/$md5.meta";
1855		2725
1856	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2726	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1857	aio_write $fh, 0, (length $data), $data, 0;	2727	aio_write $fh, 0, (length $data), $data, 0;
		2728	undef $fh;
		2729	aio_rename "$meta~", $meta;
1858		2730
		2731	my $slaying = "?random/$md5";
		2732
		2733	if ($exit->valid) {
1859	$exit->slaying ("?random/$md5");	2734	$exit->slaying ("?random/$md5");
1860	$exit->msg (undef);	2735	$exit->msg (undef);
		2736	}
1861	}	2737	}
1862	}	2738	}
1863		2739
1864	sub cf::object::player::enter_exit {	2740	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2741	my ($self, $exit) = @_;
…		…
1867	return unless $self->type == cf::PLAYER;	2743	return unless $self->type == cf::PLAYER;
1868		2744
1869	$self->enter_link;	2745	$self->enter_link;
1870		2746
1871	(async {	2747	(async {
1872	$self->deactivate_recursive; # just to be sure	2748	$Coro::current->{desc} = "enter_exit";
		2749
1873	unless (eval {	2750	unless (eval {
		2751	$self->deactivate_recursive; # just to be sure
		2752
		2753	# random map handling
		2754	{
		2755	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2756
1874	prepare_random_map $exit	2757	prepare_random_map $exit
1875	if $exit->slaying eq "/!";	2758	if $exit->slaying eq "/!";
		2759	}
1876		2760
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2761	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2762	my $x = $exit->stats->hp;
		2763	my $y = $exit->stats->sp;
1879		2764
		2765	$self->goto ($map, $x, $y);
		2766
		2767	# if exit is damned, update players death & WoR home-position
		2768	$self->contr->savebed ($map, $x, $y)
		2769	if $exit->flag (cf::FLAG_DAMNED);
		2770
1880	1;	2771	1
1881	}) {	2772	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2773	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2774	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2775	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2776	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2777
1887	warn "ERROR in enter_exit: $@";	2778	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2779	$self->leave_link;
1889	}	2780	}
1890	})->prio (1);	2781	})->prio (1);
…		…
1903		2794
1904	sub cf::client::send_drawinfo {	2795	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2796	my ($self, $text, $flags) = @_;
1906		2797
1907	utf8::encode $text;	2798	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2799	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2800	}
1910		2801
		2802	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2803
		2804	Send a drawinfo or msg packet to the client, formatting the msg for the
		2805	client if neccessary. C<$type> should be a string identifying the type of
		2806	the message, with C<log> being the default. If C<$color> is negative, suppress
		2807	the message unless the client supports the msg packet.
		2808
		2809	=cut
		2810
		2811	# non-persistent channels (usually the info channel)
		2812	our %CHANNEL = (
		2813	"c/identify" => {
		2814	id => "infobox",
		2815	title => "Identify",
		2816	reply => undef,
		2817	tooltip => "Items recently identified",
		2818	},
		2819	"c/examine" => {
		2820	id => "infobox",
		2821	title => "Examine",
		2822	reply => undef,
		2823	tooltip => "Signs and other items you examined",
		2824	},
		2825	"c/book" => {
		2826	id => "infobox",
		2827	title => "Book",
		2828	reply => undef,
		2829	tooltip => "The contents of a note or book",
		2830	},
		2831	"c/lookat" => {
		2832	id => "infobox",
		2833	title => "Look",
		2834	reply => undef,
		2835	tooltip => "What you saw there",
		2836	},
		2837	"c/who" => {
		2838	id => "infobox",
		2839	title => "Players",
		2840	reply => undef,
		2841	tooltip => "Shows players who are currently online",
		2842	},
		2843	"c/body" => {
		2844	id => "infobox",
		2845	title => "Body Parts",
		2846	reply => undef,
		2847	tooltip => "Shows which body parts you posess and are available",
		2848	},
		2849	"c/uptime" => {
		2850	id => "infobox",
		2851	title => "Uptime",
		2852	reply => undef,
		2853	tooltip => "How long the server has been running since last restart",
		2854	},
		2855	"c/mapinfo" => {
		2856	id => "infobox",
		2857	title => "Map Info",
		2858	reply => undef,
		2859	tooltip => "Information related to the maps",
		2860	},
		2861	"c/party" => {
		2862	id => "party",
		2863	title => "Party",
		2864	reply => "gsay ",
		2865	tooltip => "Messages and chat related to your party",
		2866	},
		2867	);
		2868
		2869	sub cf::client::send_msg {
		2870	my ($self, $channel, $msg, $color, @extra) = @_;
		2871
		2872	$msg = $self->pl->expand_cfpod ($msg);
		2873
		2874	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2875
		2876	# check predefined channels, for the benefit of C
		2877	if ($CHANNEL{$channel}) {
		2878	$channel = $CHANNEL{$channel};
		2879
		2880	$self->ext_msg (channel_info => $channel)
		2881	if $self->can_msg;
		2882
		2883	$channel = $channel->{id};
		2884
		2885	} elsif (ref $channel) {
		2886	# send meta info to client, if not yet sent
		2887	unless (exists $self->{channel}{$channel->{id}}) {
		2888	$self->{channel}{$channel->{id}} = $channel;
		2889	$self->ext_msg (channel_info => $channel)
		2890	if $self->can_msg;
		2891	}
		2892
		2893	$channel = $channel->{id};
		2894	}
		2895
		2896	return unless @extra || length $msg;
		2897
		2898	if ($self->can_msg) {
		2899	# default colour, mask it out
		2900	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2901	if $color & cf::NDI_DEF;
		2902
		2903	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2904	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2905	} else {
		2906	if ($color >= 0) {
		2907	# replace some tags by gcfclient-compatible ones
		2908	for ($msg) {
		2909	1 while
		2910	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2911	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2912	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2913	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2914	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2915	}
		2916
		2917	$color &= cf::NDI_COLOR_MASK;
		2918
		2919	utf8::encode $msg;
		2920
		2921	if (0 && $msg =~ /\[/) {
		2922	# COMMAND/INFO
		2923	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2924	} else {
		2925	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2926	$self->send_packet ("drawinfo $color $msg")
		2927	}
		2928	}
		2929	}
		2930	}
		2931
		2932	=item $client->ext_msg ($type, @msg)
		2933
		2934	Sends an ext event to the client.
		2935
		2936	=cut
		2937
		2938	sub cf::client::ext_msg($$@) {
		2939	my ($self, $type, @msg) = @_;
		2940
		2941	if ($self->extcmd == 2) {
		2942	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2943	} elsif ($self->extcmd == 1) { # TODO: remove
		2944	push @msg, msgtype => "event_$type";
		2945	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2946	}
		2947	}
		2948
		2949	=item $client->ext_reply ($msgid, @msg)
		2950
		2951	Sends an ext reply to the client.
		2952
		2953	=cut
		2954
		2955	sub cf::client::ext_reply($$@) {
		2956	my ($self, $id, @msg) = @_;
		2957
		2958	if ($self->extcmd == 2) {
		2959	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2960	} elsif ($self->extcmd == 1) {
		2961	#TODO: version 1, remove
		2962	unshift @msg, msgtype => "reply", msgid => $id;
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2964	}
		2965	}
1911		2966
1912	=item $success = $client->query ($flags, "text", \&cb)	2967	=item $success = $client->query ($flags, "text", \&cb)
1913		2968
1914	Queues a query to the client, calling the given callback with	2969	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2970	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2971	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2972
1918	Queries can fail, so check the return code. Or don't, as queries will become	2973	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2974	become reliable at some point in the future.
1920		2975
1921	=cut	2976	=cut
1922		2977
1923	sub cf::client::query {	2978	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2979	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2987	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2988	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2989
1935	$self->send_packet ($self->{query_queue}[0][0])	2990	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2991	if @{ $self->{query_queue} } == 1;
		2992
		2993	1
1937	}	2994	}
1938		2995
1939	cf::client->attach (	2996	cf::client->attach (
		2997	on_connect => sub {
		2998	my ($ns) = @_;
		2999
		3000	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3001	},
1940	on_reply => sub {	3002	on_reply => sub {
1941	my ($ns, $msg) = @_;	3003	my ($ns, $msg) = @_;
1942		3004
1943	# this weird shuffling is so that direct followup queries	3005	# this weird shuffling is so that direct followup queries
1944	# get handled first	3006	# get handled first
1945	my $queue = delete $ns->{query_queue}	3007	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	3008	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		3009
1948	(shift @$queue)->[1]->($msg);	3010	(shift @$queue)->[1]->($msg);
		3011	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		3012
1950	push @{ $ns->{query_queue} }, @$queue;	3013	push @{ $ns->{query_queue} }, @$queue;
1951		3014
1952	if (@{ $ns->{query_queue} } == @$queue) {	3015	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	3016	if (@$queue) {
…		…
1955	} else {	3018	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3019	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	3020	}
1958	}	3021	}
1959	},	3022	},
		3023	on_exticmd => sub {
		3024	my ($ns, $buf) = @_;
		3025
		3026	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3027
		3028	if (ref $msg) {
		3029	my ($type, $reply, @payload) =
		3030	"ARRAY" eq ref $msg
		3031	? @$msg
		3032	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3033
		3034	my @reply;
		3035
		3036	if (my $cb = $EXTICMD{$type}) {
		3037	@reply = $cb->($ns, @payload);
		3038	}
		3039
		3040	$ns->ext_reply ($reply, @reply)
		3041	if $reply;
		3042
		3043	} else {
		3044	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3045	}
		3046
		3047	cf::override;
		3048	},
1960	);	3049	);
1961		3050
1962	=item $client->async (\&cb)	3051	=item $client->async (\&cb)
1963		3052
1964	Create a new coroutine, running the specified callback. The coroutine will	3053	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	3094	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	3095	our $safe_hole = new Safe::Hole;
2007		3096
2008	$SIG{FPE} = 'IGNORE';	3097	$SIG{FPE} = 'IGNORE';
2009		3098
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3099	$safe->permit_only (Opcode::opset qw(
		3100	:base_core :base_mem :base_orig :base_math
		3101	grepstart grepwhile mapstart mapwhile
		3102	sort time
		3103	));
2011		3104
2012	# here we export the classes and methods available to script code	3105	# here we export the classes and methods available to script code
2013		3106
2014	=pod	3107	=pod
2015		3108
2016	The following fucntions and emthods are available within a safe environment:	3109	The following functions and methods are available within a safe environment:
2017		3110
2018	cf::object contr pay_amount pay_player map	3111	cf::object
		3112	contr pay_amount pay_player map x y force_find force_add destroy
		3113	insert remove name archname title slaying race decrease split
		3114
2019	cf::object::player player	3115	cf::object::player
2020	cf::player peaceful	3116	player
2021	cf::map trigger	3117
		3118	cf::player
		3119	peaceful
		3120
		3121	cf::map
		3122	trigger
2022		3123
2023	=cut	3124	=cut
2024		3125
2025	for (	3126	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	3127	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3128	insert remove inv nrof name archname title slaying race
		3129	decrease split destroy)],
2027	["cf::object::player" => qw(player)],	3130	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	3131	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	3132	["cf::map" => qw(trigger)],
2030	) {	3133	) {
2031	no strict 'refs';	3134	no strict 'refs';
…		…
2102	=back	3205	=back
2103		3206
2104	=cut	3207	=cut
2105		3208
2106	#############################################################################	3209	#############################################################################
		3210	# the server's init and main functions
2107		3211
2108	=head2 EXTENSION DATABASE SUPPORT	3212	sub load_facedata($) {
		3213	my ($path) = @_;
2109		3214
2110	Crossfire maintains a very simple database for extension use. It can	3215	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	3216	# for this (global event?)
2112	excludes objects.	3217	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		3218
2114	The parameter C<$family> should best start with the name of the extension	3219	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		3220
2117	=over 4	3221	warn "loading facedata from $path\n";
2118		3222
2119	=item $hashref = cf::db_get $family	3223	my $facedata;
		3224	0 < aio_load $path, $facedata
		3225	or die "$path: $!";
2120		3226
2121	Return a hashref for use by the extension C<$family>, which can be	3227	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		3228
2125	=item $value = cf::db_get $family => $key	3229	$facedata->{version} == 2
		3230	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		3231
2127	Returns a single value from the database	3232	# patch in the exptable
2128		3233	$facedata->{resource}{"res/exp_table"} = {
2129	=item cf::db_put $family => $hashref	3234	type => FT_RSRC,
2130		3235	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	3236	};
		3237	cf::cede_to_tick;
2180		3238
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	3239	{
		3240	my $faces = $facedata->{faceinfo};
2185		3241
2186	sub db_get($;$) {	3242	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	3243	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}
2189	: ($DB->{$_[0]} ||= { })
2190	}
2191		3244
2192	sub db_put($$;$) {	3245	cf::face::set_visibility $idx, $info->{visibility};
2193	if (@_ >= 3) {	3246	cf::face::set_magicmap $idx, $info->{magicmap};
2194	$DB->{$_[0]}{$_[1]} = $_[2];	3247	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2195	} else {	3248	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200		3249
2201	cf::global->attach (	3250	cf::cede_to_tick;
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	3251	}
2206	);
2207	}
2208		3252
2209	#############################################################################	3253	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	3254	next unless $info->{smooth};
2211		3255
2212	sub cfg_load {	3256	my $idx = cf::face::find $face
		3257	or next;
		3258
		3259	if (my $smooth = cf::face::find $info->{smooth}) {
		3260	cf::face::set_smooth $idx, $smooth;
		3261	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3262	} else {
		3263	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3264	}
		3265
		3266	cf::cede_to_tick;
		3267	}
		3268	}
		3269
		3270	{
		3271	my $anims = $facedata->{animinfo};
		3272
		3273	while (my ($anim, $info) = each %$anims) {
		3274	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3275	cf::cede_to_tick;
		3276	}
		3277
		3278	cf::anim::invalidate_all; # d'oh
		3279	}
		3280
		3281	{
		3282	# TODO: for gcfclient pleasure, we should give resources
		3283	# that gcfclient doesn't grok a >10000 face index.
		3284	my $res = $facedata->{resource};
		3285
		3286	while (my ($name, $info) = each %$res) {
		3287	if (defined $info->{type}) {
		3288	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3289	my $data;
		3290
		3291	if ($info->{type} & 1) {
		3292	# prepend meta info
		3293
		3294	my $meta = $enc->encode ({
		3295	name => $name,
		3296	%{ $info->{meta} || {} },
		3297	});
		3298
		3299	$data = pack "(w/a*)*", $meta, $info->{data};
		3300	} else {
		3301	$data = $info->{data};
		3302	}
		3303
		3304	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3305	cf::face::set_type $idx, $info->{type};
		3306	} else {
		3307	$RESOURCE{$name} = $info;
		3308	}
		3309
		3310	cf::cede_to_tick;
		3311	}
		3312	}
		3313
		3314	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3315
		3316	1
		3317	}
		3318
		3319	cf::global->attach (on_resource_update => sub {
		3320	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3321	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3322
		3323	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3324	my $sound = $soundconf->{compat}[$_]
		3325	or next;
		3326
		3327	my $face = cf::face::find "sound/$sound->[1]";
		3328	cf::sound::set $sound->[0] => $face;
		3329	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3330	}
		3331
		3332	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3333	my $face = cf::face::find "sound/$v";
		3334	cf::sound::set $k => $face;
		3335	}
		3336	}
		3337	});
		3338
		3339	register_exticmd fx_want => sub {
		3340	my ($ns, $want) = @_;
		3341
		3342	while (my ($k, $v) = each %$want) {
		3343	$ns->fx_want ($k, $v);
		3344	}
		3345	};
		3346
		3347	sub load_resource_file($) {
		3348	my $guard = lock_acquire "load_resource_file";
		3349
		3350	my $status = load_resource_file_ $_[0];
		3351	get_slot 0.1, 100;
		3352	cf::arch::commit_load;
		3353
		3354	$status
		3355	}
		3356
		3357	sub reload_regions {
		3358	# HACK to clear player env face cache, we need some signal framework
		3359	# for this (global event?)
		3360	%ext::player_env::MUSIC_FACE_CACHE = ();
		3361
		3362	load_resource_file "$MAPDIR/regions"
		3363	or die "unable to load regions file\n";
		3364
		3365	for (cf::region::list) {
		3366	$_->{match} = qr/$_->{match}/
		3367	if exists $_->{match};
		3368	}
		3369	}
		3370
		3371	sub reload_facedata {
		3372	load_facedata "$DATADIR/facedata"
		3373	or die "unable to load facedata\n";
		3374	}
		3375
		3376	sub reload_archetypes {
		3377	load_resource_file "$DATADIR/archetypes"
		3378	or die "unable to load archetypes\n";
		3379	}
		3380
		3381	sub reload_treasures {
		3382	load_resource_file "$DATADIR/treasures"
		3383	or die "unable to load treasurelists\n";
		3384	}
		3385
		3386	sub reload_resources {
		3387	warn "reloading resource files...\n";
		3388
		3389	reload_facedata;
		3390	reload_archetypes;
		3391	reload_regions;
		3392	reload_treasures;
		3393
		3394	warn "finished reloading resource files\n";
		3395	}
		3396
		3397	sub init {
		3398	my $guard = freeze_mainloop;
		3399
		3400	reload_resources;
		3401	}
		3402
		3403	sub reload_config {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3404	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3405	or return;
2215		3406
2216	local $/;	3407	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3408	*CFG = YAML::Load <$fh>;
2218		3409
2219	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3410	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2220		3411
2221	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3412	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2222	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3413	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2232		3423
2233	sub main {	3424	sub main {
2234	# we must not ever block the main coroutine	3425	# we must not ever block the main coroutine
2235	local $Coro::idle = sub {	3426	local $Coro::idle = sub {
2236	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3427	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2237	async { Event::one_event };	3428	(async {
		3429	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3430	EV::loop EV::LOOP_ONESHOT;
		3431	})->prio (Coro::PRIO_MAX);
2238	};	3432	};
2239		3433
2240	cfg_load;	3434	{
2241	db_load;	3435	my $guard = freeze_mainloop;
		3436	reload_config;
		3437	db_init;
2242	load_extensions;	3438	load_extensions;
		3439
		3440	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3441	evthread_start IO::AIO::poll_fileno;
		3442	}
		3443
2243	Event::loop;	3444	EV::loop;
2244	}	3445	}
2245		3446
2246	#############################################################################	3447	#############################################################################
2247	# initialisation and cleanup	3448	# initialisation and cleanup
2248		3449
2249	# install some emergency cleanup handlers	3450	# install some emergency cleanup handlers
2250	BEGIN {	3451	BEGIN {
		3452	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3453	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3454	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3455	cf::cleanup "SIG$signal";
2257	},
2258	);	3456	};
		3457	}
		3458	}
		3459
		3460	sub write_runtime_sync {
		3461	my $runtime = "$LOCALDIR/runtime";
		3462
		3463	# first touch the runtime file to show we are still running:
		3464	# the fsync below can take a very very long time.
		3465
		3466	IO::AIO::aio_utime $runtime, undef, undef;
		3467
		3468	my $guard = cf::lock_acquire "write_runtime";
		3469
		3470	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3471	or return;
		3472
		3473	my $value = $cf::RUNTIME + 90 + 10;
		3474	# 10 is the runtime save interval, for a monotonic clock
		3475	# 60 allows for the watchdog to kill the server.
		3476
		3477	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3478	and return;
		3479
		3480	# always fsync - this file is important
		3481	aio_fsync $fh
		3482	and return;
		3483
		3484	# touch it again to show we are up-to-date
		3485	aio_utime $fh, undef, undef;
		3486
		3487	close $fh
		3488	or return;
		3489
		3490	aio_rename "$runtime~", $runtime
		3491	and return;
		3492
		3493	warn "runtime file written.\n";
		3494
2259	}	3495	1
		3496	}
		3497
		3498	our $uuid_lock;
		3499	our $uuid_skip;
		3500
		3501	sub write_uuid_sync($) {
		3502	$uuid_skip ||= $_[0];
		3503
		3504	return if $uuid_lock;
		3505	local $uuid_lock = 1;
		3506
		3507	my $uuid = "$LOCALDIR/uuid";
		3508
		3509	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3510	or return;
		3511
		3512	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3513	$uuid_skip = 0;
		3514
		3515	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3516	and return;
		3517
		3518	# always fsync - this file is important
		3519	aio_fsync $fh
		3520	and return;
		3521
		3522	close $fh
		3523	or return;
		3524
		3525	aio_rename "$uuid~", $uuid
		3526	and return;
		3527
		3528	warn "uuid file written ($value).\n";
		3529
		3530	1
		3531
		3532	}
		3533
		3534	sub write_uuid($$) {
		3535	my ($skip, $sync) = @_;
		3536
		3537	$sync ? write_uuid_sync $skip
		3538	: async { write_uuid_sync $skip };
2260	}	3539	}
2261		3540
2262	sub emergency_save() {	3541	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3542	my $freeze_guard = cf::freeze_mainloop;
2264		3543
…		…
2270	# and maps saved/destroyed asynchronously.	3549	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3550	warn "begin emergency player save\n";
2272	for my $login (keys %cf::PLAYER) {	3551	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3552	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3553	$pl->valid or next;
		3554	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3555	$pl->save;
2276	}	3556	}
2277	warn "end emergency player save\n";	3557	warn "end emergency player save\n";
2278		3558
2279	warn "begin emergency map save\n";	3559	warn "begin emergency map save\n";
…		…
2281	my $map = $cf::MAP{$path} or next;	3561	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3562	$map->valid or next;
2283	$map->save;	3563	$map->save;
2284	}	3564	}
2285	warn "end emergency map save\n";	3565	warn "end emergency map save\n";
		3566
		3567	warn "begin emergency database checkpoint\n";
		3568	BDB::db_env_txn_checkpoint $DB_ENV;
		3569	warn "end emergency database checkpoint\n";
		3570
		3571	warn "begin write uuid\n";
		3572	write_uuid_sync 1;
		3573	warn "end write uuid\n";
2286	};	3574	};
2287		3575
2288	warn "leave emergency perl save\n";	3576	warn "leave emergency perl save\n";
2289	}	3577	}
2290		3578
		3579	sub post_cleanup {
		3580	my ($make_core) = @_;
		3581
		3582	warn Carp::longmess "post_cleanup backtrace"
		3583	if $make_core;
		3584	}
		3585
2291	sub reload() {	3586	sub do_reload_perl() {
2292	# can/must only be called in main	3587	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3588	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3589	warn "can only reload from main coroutine";
2295	return;	3590	return;
2296	}	3591	}
2297		3592
2298	warn "reloading...";	3593	warn "reloading...";
2299		3594
2300	warn "freezing server";	3595	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3596
		3597	cf::sync_job {
		3598	cf::write_runtime_sync; # external watchdog should not bark
2302	cf::emergency_save;	3599	cf::emergency_save;
		3600	cf::write_runtime_sync; # external watchdog should not bark
2303		3601
2304	warn "sync database to disk";	3602	warn "syncing database to disk";
2305	cf::db_sync;	3603	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3604
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3605	# if anything goes wrong in here, we should simply crash as we already saved
2310		3606
2311	warn "cancel all watchers";	3607	warn "flushing outstanding aio requests";
2312	for (Event::all_watchers) {	3608	for (;;) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3609	BDB::flush;
		3610	IO::AIO::flush;
		3611	Coro::cede_notself;
		3612	last unless IO::AIO::nreqs || BDB::nreqs;
		3613	warn "iterate...";
2314	}	3614	}
2315		3615
		3616	++$RELOAD;
		3617
2316	warn "cancel all extension coros";	3618	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3619	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3620	%EXT_CORO = ();
2319		3621
2320	warn "remove commands";	3622	warn "removing commands";
2321	%COMMAND = ();	3623	%COMMAND = ();
2322		3624
2323	warn "remove ext commands";	3625	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3626	%EXTCMD = ();
		3627	%EXTICMD = ();
2325		3628
2326	warn "unload/nuke all extensions";	3629	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3630	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3631	warn "... unloading $pkg";
2329		3632
2330	if (my $cb = $pkg->can ("unload")) {	3633	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3634	eval {
…		…
2336		3639
2337	warn "... nuking $pkg";	3640	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3641	Symbol::delete_package $pkg;
2339	}	3642	}
2340		3643
2341	warn "unload all perl modules loaded from $LIBDIR";	3644	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3645	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3646	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3647
2345	warn "removing <$k>";	3648	warn "... unloading $k";
2346	delete $INC{$k};	3649	delete $INC{$k};
2347		3650
2348	$k =~ s/\.pm$//;	3651	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3652	$k =~ s/\//::/g;
2350		3653
…		…
2353	}	3656	}
2354		3657
2355	Symbol::delete_package $k;	3658	Symbol::delete_package $k;
2356	}	3659	}
2357		3660
2358	warn "get rid of safe::, as good as possible";	3661	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3662	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3663	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3664
2362	warn "unload cf.pm \"a bit\"";	3665	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3666	delete $INC{"cf.pm"};
		3667	delete $INC{"cf/pod.pm"};
2364		3668
2365	# don't, removes xs symbols, too,	3669	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3670	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3671	#Symbol::delete_package __PACKAGE__;
2368		3672
		3673	warn "unload completed, starting to reload now";
		3674
2369	warn "reloading cf.pm";	3675	warn "reloading cf.pm";
2370	require cf;	3676	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3677	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3678
2373	warn "load config and database again";	3679	warn "loading config and database again";
2374	cf::cfg_load;	3680	cf::reload_config;
2375	cf::db_load;
2376		3681
2377	warn "load extensions";	3682	warn "loading extensions";
2378	cf::load_extensions;	3683	cf::load_extensions;
2379		3684
2380	warn "reattach attachments to objects/players";	3685	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3686	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3687	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3688	reattach $_ for values %MAP;
		3689	warn "reattaching attachments to players";
		3690	reattach $_ for values %PLAYER;
		3691
		3692	warn "leaving sync_job";
		3693
		3694	1
		3695	} or do {
		3696	warn $@;
		3697	cf::cleanup "error while reloading, exiting.";
2384	};	3698	};
2385
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391		3699
2392	warn "reloaded";	3700	warn "reloaded";
2393	};	3701	};
2394		3702
		3703	our $RELOAD_WATCHER; # used only during reload
		3704
		3705	sub reload_perl() {
		3706	# doing reload synchronously and two reloads happen back-to-back,
		3707	# coro crashes during coro_state_free->destroy here.
		3708
		3709	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3710	do_reload_perl;
		3711	undef $RELOAD_WATCHER;
		3712	};
		3713	}
		3714
2395	register_command "reload" => sub {	3715	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3716	my ($who, $arg) = @_;
2397		3717
2398	if ($who->flag (FLAG_WIZ)) {	3718	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("start of reload.");
2400	reload;
2401	$who->message ("end of reload.");	3719	$who->message ("reloading server.");
		3720	async {
		3721	$Coro::current->{desc} = "perl_reload";
		3722	reload_perl;
		3723	};
2402	}	3724	}
2403	};	3725	};
2404		3726
2405	unshift @INC, $LIBDIR;	3727	unshift @INC, $LIBDIR;
2406		3728
2407	$TICK_WATCHER = Event->timer (	3729	my $bug_warning = 0;
2408	reentrant => 0,
2409	prio => 0,
2410	at => $NEXT_TICK || $TICK,
2411	data => WF_AUTOCANCEL,
2412	cb => sub {
2413	$NOW = Event::time;
2414		3730
		3731	our @WAIT_FOR_TICK;
		3732	our @WAIT_FOR_TICK_BEGIN;
		3733
		3734	sub wait_for_tick {
		3735	return if tick_inhibit || $Coro::current == $Coro::main;
		3736
		3737	my $signal = new Coro::Signal;
		3738	push @WAIT_FOR_TICK, $signal;
		3739	$signal->wait;
		3740	}
		3741
		3742	sub wait_for_tick_begin {
		3743	return if tick_inhibit || $Coro::current == $Coro::main;
		3744
		3745	my $signal = new Coro::Signal;
		3746	push @WAIT_FOR_TICK_BEGIN, $signal;
		3747	$signal->wait;
		3748	}
		3749
		3750	sub tick {
		3751	if ($Coro::current != $Coro::main) {
		3752	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3753	unless ++$bug_warning > 10;
		3754	return;
		3755	}
		3756
2415	cf::server_tick; # one server iteration	3757	cf::server_tick; # one server iteration
2416	$RUNTIME += $TICK;
2417	$NEXT_TICK += $TICK;
2418		3758
2419	$WAIT_FOR_TICK->broadcast;	3759	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2420	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3760	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2421		3761	Coro::async_pool {
2422	# if we are delayed by four ticks or more, skip them all	3762	$Coro::current->{desc} = "runtime saver";
2423	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2424
2425	$TICK_WATCHER->at ($NEXT_TICK);
2426	$TICK_WATCHER->start;
2427	},
2428	);
2429
2430	IO::AIO::max_poll_time $TICK * 0.2;
2431
2432	$AIO_POLL_WATCHER = Event->io (
2433	fd => IO::AIO::poll_fileno,
2434	poll => 'r',
2435	prio => 5,
2436	data => WF_AUTOCANCEL,
2437	cb => \&IO::AIO::poll_cb,
2438	);
2439
2440	$WRITE_RUNTIME_WATCHER = Event->timer (
2441	data => WF_AUTOCANCEL,
2442	after => 0,
2443	interval => 10,
2444	cb => sub {
2445	(Coro::unblock_sub {
2446	write_runtime	3763	write_runtime_sync
2447	or warn "ERROR: unable to write runtime file: $!";	3764	or warn "ERROR: unable to write runtime file: $!";
2448	})->();	3765	};
2449	},	3766	}
2450	);	3767
		3768	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3769	$sig->send;
		3770	}
		3771	while (my $sig = shift @WAIT_FOR_TICK) {
		3772	$sig->send;
		3773	}
		3774
		3775	$LOAD = ($NOW - $TICK_START) / $TICK;
		3776	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3777
		3778	if (0) {
		3779	if ($NEXT_TICK) {
		3780	my $jitter = $TICK_START - $NEXT_TICK;
		3781	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3782	warn "jitter $JITTER\n";#d#
		3783	}
		3784	}
		3785	}
		3786
		3787	{
		3788	# configure BDB
		3789
		3790	BDB::min_parallel 8;
		3791	BDB::max_poll_reqs $TICK * 0.1;
		3792	$Coro::BDB::WATCHER->priority (1);
		3793
		3794	unless ($DB_ENV) {
		3795	$DB_ENV = BDB::db_env_create;
		3796	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3797	| BDB::LOG_AUTOREMOVE, 1);
		3798	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3799	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3800
		3801	cf::sync_job {
		3802	eval {
		3803	BDB::db_env_open
		3804	$DB_ENV,
		3805	$BDBDIR,
		3806	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3807	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3808	0666;
		3809
		3810	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3811	};
		3812
		3813	cf::cleanup "db_env_open(db): $@" if $@;
		3814	};
		3815	}
		3816
		3817	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3818	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3819	};
		3820	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3821	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3822	};
		3823	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3824	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3825	};
		3826	}
		3827
		3828	{
		3829	# configure IO::AIO
		3830
		3831	IO::AIO::min_parallel 8;
		3832	IO::AIO::max_poll_time $TICK * 0.1;
		3833	$Coro::AIO::WATCHER->priority (1);
		3834	}
		3835
		3836	my $_log_backtrace;
		3837
		3838	sub _log_backtrace {
		3839	my ($msg, @addr) = @_;
		3840
		3841	$msg =~ s/\n//;
		3842
		3843	# limit the # of concurrent backtraces
		3844	if ($_log_backtrace < 2) {
		3845	++$_log_backtrace;
		3846	async {
		3847	$Coro::current->{desc} = "abt $msg";
		3848
		3849	my @bt = fork_call {
		3850	@addr = map { sprintf "%x", $_ } @addr;
		3851	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3852	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3853	or die "addr2line: $!";
		3854
		3855	my @funcs;
		3856	my @res = <$fh>;
		3857	chomp for @res;
		3858	while (@res) {
		3859	my ($func, $line) = splice @res, 0, 2, ();
		3860	push @funcs, "[$func] $line";
		3861	}
		3862
		3863	@funcs
		3864	};
		3865
		3866	LOG llevInfo, "[ABT] $msg\n";
		3867	LOG llevInfo, "[ABT] $_\n" for @bt;
		3868	--$_log_backtrace;
		3869	};
		3870	} else {
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] [suppressed]\n";
		3873	}
		3874	}
		3875
		3876	# load additional modules
		3877	use cf::pod;
2451		3878
2452	END { cf::emergency_save }	3879	END { cf::emergency_save }
2453		3880
2454	1	3881	1
2455		3882

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