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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.178 by root, Thu Jan 18 00:06:55 2007 UTC vs.
Revision 1.440 by root, Mon Aug 11 23:23:41 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;
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 3.4 ();	36	use Coro ();
		37	use Coro::State;
		38	use Coro::Handle;
14	use Coro::Event;	39	use Coro::AnyEvent;
15	use Coro::Timer;	40	use Coro::Timer;
16	use Coro::Signal;	41	use Coro::Signal;
17	use Coro::Semaphore;	42	use Coro::Semaphore;
		43	use Coro::AnyEvent;
18	use Coro::AIO;	44	use Coro::AIO;
		45	use Coro::BDB 1.6;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	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		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	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		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	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	192	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	193	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.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
155	cf::object cf::object::player	245	cf::object cf::object::player
156	cf::client cf::player	246	cf::client cf::player
157	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
158	cf::map cf::party cf::region	249	cf::party cf::region
159	)) {	250	)) {
160	no strict 'refs';	251	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	253	}
163		254
164	$Event::DIED = sub {	255	$EV::DIED = sub {
165	warn "error in event callback: @_";	256	warn "error in event callback: @_";
166	};	257	};
		258
		259	#############################################################################
167		260
168	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
169		262
170	=over 4	263	=over 4
171		264
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	283	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	284	$d
192	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
193	}	286	}
194		287
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
198		289
199	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
200		291
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
209		293
210	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
211		295
212	=cut	296	=cut
213		297
214	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
216	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
218		302
219	=item cf::lock_wait $string	303	=item cf::lock_wait $string
220		304
221	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
222		306
…		…
225	Wait until the given lock is available and then acquires it and returns	309	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,	310	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	311	for example when the coroutine gets canceled), the lock is automatically
228	returned.	312	returned.
229		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
230	Lock names should begin with a unique identifier (for example, cf::map::find	317	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
232		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
233	=cut	324	=cut
234		325
235	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
236		328
237	sub lock_wait($) {	329	sub lock_wait($) {
238	my ($key) = @_;	330	my ($key) = @_;
		331
		332	if ($LOCKER{$key} == $Coro::current) {#d#
		333	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		334	return;#d#
		335	}#d#
239		336
240	# wait for lock, if any	337	# wait for lock, if any
241	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	340	Coro::schedule;
…		…
249		346
250	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
251	lock_wait $key;	348	lock_wait $key;
252		349
253	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
254		352
255	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
258	}	357	}
259	}	358	}
260		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
261	sub freeze_mainloop {	366	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
263		368
264	my $guard = Coro::guard {	369	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	370	}
266	$WRITE_RUNTIME_WATCHER->start;	371
		372	=item cf::periodic $interval, $cb
		373
		374	Like EV::periodic, but randomly selects a starting point so that the actions
		375	get spread over timer.
		376
		377	=cut
		378
		379	sub periodic($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
267	};	430	}
268	$WRITE_RUNTIME_WATCHER->stop;	431	};
269	$TICK_WATCHER->stop;	432
270	$guard	433	sub get_slot($;$$) {
		434	return if tick_inhibit || $Coro::current == $Coro::main;
		435
		436	my ($time, $pri, $name) = @_;
		437
		438	$time = $TICK * .6 if $time > $TICK * .6;
		439	my $sig = new Coro::Signal;
		440
		441	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		442	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		443	$SLOT_QUEUE->ready;
		444	$sig->wait;
271	}	445	}
272		446
273	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
274		448
275	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		454
281	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
282		456
283	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
284		458
285	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
288		463
289	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
292	fast or be very important.	467	fast or be very important.
…		…
295		470
296	sub sync_job(&) {	471	sub sync_job(&) {
297	my ($job) = @_;	472	my ($job) = @_;
298		473
299	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
300	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
302		479
303	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	481
305	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
306		483
307	my $busy = 1;	484	my $busy = 1;
308	my @res;	485	my @res;
309		486
310	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	489	@res = eval { $job->() };
312	warn $@ if $@;	490	warn $@ if $@;
313	undef $busy;	491	undef $busy;
314	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
315		493
316	while ($busy) {	494	while ($busy) {
317	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
318	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
319		505
320	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
321	} else {	507	} else {
322	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
323		509
…		…
343	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
344		530
345	$coro	531	$coro
346	}	532	}
347		533
348	sub write_runtime {	534	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		535
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	536	Executes the given code block with the given arguments in a seperate
352	or return;	537	process, returning the results. Everything must be serialisable with
		538	Coro::Storable. May, of course, block. Note that the executed sub may
		539	never block itself or use any form of event handling.
353		540
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	541	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		542
358	aio_fsync $fh	543	sub fork_call(&@) {
359	and return;	544	my ($cb, @args) = @_;
360		545
361	close $fh	546	# we seemingly have to make a local copy of the whole thing,
362	or return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
363		549
364	aio_rename "$runtime~", $runtime	550	my @res = Coro::Util::fork_eval {
365	and return;	551	reset_signals;
		552	&$cb
		553	}, @args;
366		554
		555	wantarray ? @res : $res[-1]
		556	}
		557
		558	=item $coin = coin_from_name $name
		559
		560	=cut
		561
		562	our %coin_alias = (
		563	"silver" => "silvercoin",
		564	"silvercoin" => "silvercoin",
		565	"silvercoins" => "silvercoin",
		566	"gold" => "goldcoin",
		567	"goldcoin" => "goldcoin",
		568	"goldcoins" => "goldcoin",
		569	"platinum" => "platinacoin",
		570	"platinumcoin" => "platinacoin",
		571	"platinumcoins" => "platinacoin",
		572	"platina" => "platinacoin",
		573	"platinacoin" => "platinacoin",
		574	"platinacoins" => "platinacoin",
		575	"royalty" => "royalty",
		576	"royalties" => "royalty",
		577	);
		578
		579	sub coin_from_name($) {
		580	$coin_alias{$_[0]}
		581	? cf::arch::find $coin_alias{$_[0]}
		582	: undef
		583	}
		584
		585	=item $value = cf::db_get $family => $key
		586
		587	Returns a single value from the environment database.
		588
		589	=item cf::db_put $family => $key => $value
		590
		591	Stores the given C<$value> in the family. It can currently store binary
		592	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		593
		594	=item $db = cf::db_table "name"
		595
		596	Create and/or open a new database table. The string must not be "db" and must be unique
		597	within each server.
		598
		599	=cut
		600
		601	sub db_table($) {
		602	my ($name) = @_;
		603	my $db = BDB::db_create $DB_ENV;
		604
		605	eval {
		606	$db->set_flags (BDB::CHKSUM);
		607
		608	utf8::encode $name;
		609	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		610	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		611	cf::cleanup "db_open(db): $!" if $!;
		612	};
		613	cf::cleanup "db_open(db): $@" if $@;
		614
		615	$db
		616	}
		617
		618	our $DB;
		619
		620	sub db_init {
		621	cf::sync_job {
		622	$DB ||= db_table "db";
		623	};
		624	}
		625
		626	sub db_get($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
367	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		638	BDB::dbreq_pri 4;
		639	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		640	}
		641
		642	=item cf::cache $id => [$paths...], $processversion => $process
		643
		644	Generic caching function that returns the value of the resource $id,
		645	caching and regenerating as required.
		646
		647	This function can block.
		648
		649	=cut
		650
		651	sub cache {
		652	my ($id, $src, $processversion, $process) = @_;
		653
		654	my $meta =
		655	join "\x00",
		656	$processversion,
		657	map {
		658	aio_stat $_
		659	and Carp::croak "$_: $!";
		660
		661	($_, (stat _)[7,9])
		662	} @$src;
		663
		664	my $dbmeta = db_get cache => "$id/meta";
		665	if ($dbmeta ne $meta) {
		666	# changed, we may need to process
		667
		668	my @data;
		669	my $md5;
		670
		671	for (0 .. $#$src) {
		672	0 <= aio_load $src->[$_], $data[$_]
		673	or Carp::croak "$src->[$_]: $!";
		674	}
		675
		676	# if processing is expensive, check
		677	# checksum first
		678	if (1) {
		679	$md5 =
		680	join "\x00",
		681	$processversion,
		682	map {
		683	cf::cede_to_tick;
		684	($src->[$_], Digest::MD5::md5_hex $data[$_])
		685	} 0.. $#$src;
		686
		687
		688	my $dbmd5 = db_get cache => "$id/md5";
		689	if ($dbmd5 eq $md5) {
		690	db_put cache => "$id/meta", $meta;
		691
		692	return db_get cache => "$id/data";
		693	}
		694	}
		695
		696	my $t1 = Time::HiRes::time;
		697	my $data = $process->(\@data);
		698	my $t2 = Time::HiRes::time;
		699
		700	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		701
		702	db_put cache => "$id/data", $data;
		703	db_put cache => "$id/md5" , $md5;
		704	db_put cache => "$id/meta", $meta;
		705
		706	return $data;
		707	}
		708
		709	db_get cache => "$id/data"
		710	}
		711
		712	=item cf::datalog type => key => value, ...
		713
		714	Log a datalog packet of the given type with the given key-value pairs.
		715
		716	=cut
		717
		718	sub datalog($@) {
		719	my ($type, %kv) = @_;
		720	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	721	}
369		722
370	=back	723	=back
371		724
372	=cut	725	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	732	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
381		734
382	In the following description, CLASS can be any of C<global>, C<object>	735	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	736	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	737	Deliantra).
385		738
386	=over 4	739	=over 4
387		740
388	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
389		742
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
553		906
554	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		911
559	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	913	my $pkg = shift @arg;
561		914
562	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
592	}	945	}
593		946
594	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
595	} else {	948	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	950	}
598		951
599	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
600	}	953	}
601		954
…		…
603	if (ref $_[0]) {	956	if (ref $_[0]) {
604	_object_attach @_;	957	_object_attach @_;
605	} else {	958	} else {
606	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
607	}	960	}
		961	_recalc_want;
608	};	962	};
609		963
610	# all those should be optimised	964	# all those should be optimised
611	sub cf::attachable::detach {	965	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
616	reattach ($obj);	970	reattach ($obj);
617	} else {	971	} else {
618	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
619	}	973	}
		974	_recalc_want;
620	};	975	};
621		976
622	sub cf::attachable::attached {	977	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
624		979
…		…
639	";	994	";
640	die if $@;	995	die if $@;
641	}	996	}
642		997
643	our $override;	998	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	999	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		1000
646	sub override {	1001	sub override {
647	$override = 1;	1002	$override = 1;
648	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
649	}	1004	}
650		1005
651	sub do_invoke {	1006	sub do_invoke {
652	my $event = shift;	1007	my $event = shift;
653	my $callbacks = shift;	1008	my $callbacks = shift;
654		1009
655	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
656		1011
657	local $override;	1012	local $override;
658		1013
659	for (@$callbacks) {	1014	for (@$callbacks) {
660	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
669	}	1024	}
670		1025
671	0	1026	0
672	}	1027	}
673		1028
674	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
675		1030
676	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
677		1032
678	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
679		1034
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1035	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	1036	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		1038
684	=back	1039	=back
685		1040
686	=cut	1041	=cut
687		1042
688	#############################################################################	1043	#############################################################################
689	# object support	1044	# object support
		1045
		1046	sub _object_equal($$);
		1047	sub _object_equal($$) {
		1048	my ($a, $b) = @_;
		1049
		1050	return 0 unless (ref $a) eq (ref $b);
		1051
		1052	if ("HASH" eq ref $a) {
		1053	my @ka = keys %$a;
		1054	my @kb = keys %$b;
		1055
		1056	return 0 if @ka != @kb;
		1057
		1058	for (0 .. $#ka) {
		1059	return 0 unless $ka[$_] eq $kb[$_];
		1060	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1061	}
		1062
		1063	} elsif ("ARRAY" eq ref $a) {
		1064
		1065	return 0 if @$a != @$b;
		1066
		1067	for (0 .. $#$a) {
		1068	return 0 unless _object_equal $a->[$_], $b->[$_];
		1069	}
		1070
		1071	} elsif ($a ne $b) {
		1072	return 0;
		1073	}
		1074
		1075	1
		1076	}
		1077
		1078	our $SLOW_MERGES;#d#
		1079	sub _can_merge {
		1080	my ($ob1, $ob2) = @_;
		1081
		1082	++$SLOW_MERGES;#d#
		1083
		1084	# we do the slow way here
		1085	return _object_equal $ob1, $ob2
		1086	}
690		1087
691	sub reattach {	1088	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	1090	my ($obj) = @_;
694		1091
…		…
715	cf::attachable->attach (	1112	cf::attachable->attach (
716	prio => -1000000,	1113	prio => -1000000,
717	on_instantiate => sub {	1114	on_instantiate => sub {
718	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
719		1116
720	$data = from_json $data;	1117	$data = decode_json $data;
721		1118
722	for (@$data) {	1119	for (@$data) {
723	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
724		1121
725	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
741	sub object_freezer_save {	1138	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
743		1140
744	sync_job {	1141	sync_job {
745	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
746	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
748		1146
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1150	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1151	aio_close $fh;
754		1152
755	if (@$objs) {	1153	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1154	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1159	aio_close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
763	}	1161	}
764	} else {	1162	} else {
765	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
766	}	1164	}
…		…
771	}	1169	}
772	} else {	1170	} else {
773	aio_unlink $filename;	1171	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
775	}	1173	}
776	}	1174	};
777	}	1175	}
778		1176
779	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
781		1179
…		…
793	or return;	1191	or return;
794		1192
795	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
797	or return;	1195	or return;
		1196
798	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
799	}	1199	}
800		1200
		1201	utf8::decode (my $decname = $filename);
801	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
803	return ($data, $av);	1205	($data, $av)
804	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
805		1213
806	#############################################################################	1214	#############################################################################
807	# command handling &c	1215	# command handling &c
808		1216
809	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1231	}
824		1232
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1234
827	Register a callbackf ro execution when the client sends an extcmd packet.	1235	Register a callback for execution when the client sends an (synchronous)
		1236	extcmd packet. Ext commands will be processed in the order they are
		1237	received by the server, like other user commands. The first argument is
		1238	the logged-in player. Ext commands can only be processed after a player
		1239	has logged in successfully.
828		1240
829	If the callback returns something, it is sent back as if reply was being	1241	If the callback returns something, it is sent back as if reply was being
830	called.	1242	called.
831		1243
		1244	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1245
		1246	Register a callback for execution when the client sends an (asynchronous)
		1247	exticmd packet. Exti commands are processed by the server as soon as they
		1248	are received, i.e. out of order w.r.t. other commands. The first argument
		1249	is a client socket. Exti commands can be received anytime, even before
		1250	log-in.
		1251
		1252	If the callback returns something, it is sent back as if reply was being
		1253	called.
		1254
832	=cut	1255	=cut
833		1256
834	sub register_extcmd {	1257	sub register_extcmd {
835	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
836		1259
837	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
838	}	1267	}
839		1268
840	cf::player->attach (	1269	cf::player->attach (
841	on_command => sub {	1270	on_command => sub {
842	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1280	cf::override;
852	},	1281	},
853	on_extcmd => sub {	1282	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
855		1284
856	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1286
858	if (ref $msg) {	1287	if (ref $msg) {
		1288	my ($type, $reply, @payload) =
		1289	"ARRAY" eq ref $msg
		1290	? @$msg
		1291	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1292
		1293	my @reply;
		1294
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
864	} else {	1302	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1304	}
867		1305
868	cf::override;	1306	cf::override;
869	},	1307	},
870	);	1308	);
871		1309
872	sub load_extension {
873	my ($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 {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
907	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1315	next unless -r $path;
909	eval {	1316
910	load_extension $ext;	1317	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1318	my $base = $1;
		1319	my $pkg = $1;
		1320	$pkg =~ s/[^[:word:]]/_/g;
		1321	$pkg = "ext::$pkg";
		1322
		1323	open my $fh, "<:utf8", $path
		1324	or die "$path: $!";
		1325
		1326	my $source = do { local $/; <$fh> };
		1327
		1328	my %ext = (
		1329	path => $path,
		1330	base => $base,
		1331	pkg => $pkg,
		1332	);
		1333
		1334	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1335	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1336
		1337	$ext{source} =
		1338	"package $pkg; use strict; use utf8;\n"
		1339	. "#line 1 \"$path\"\n{\n"
		1340	. $source
		1341	. "\n};\n1";
		1342
		1343	$todo{$base} = \%ext;
		1344	}
		1345
		1346	my %done;
		1347	while (%todo) {
		1348	my $progress;
		1349
		1350	while (my ($k, $v) = each %todo) {
		1351	for (split /,\s*/, $v->{meta}{depends}) {
		1352	goto skip
		1353	unless exists $done{$_};
		1354	}
		1355
		1356	warn "... loading '$k' into '$v->{pkg}'\n";
		1357
		1358	unless (eval $v->{source}) {
		1359	my $msg = $@ ? "$v->{path}: $@\n"
		1360	: "$v->{base}: extension inactive.\n";
		1361
		1362	if (exists $v->{meta}{mandatory}) {
		1363	warn $msg;
		1364	cf::cleanup "mandatory extension failed to load, exiting.";
		1365	}
		1366
		1367	warn $msg;
		1368	}
		1369
		1370	$done{$k} = delete $todo{$k};
		1371	push @EXTS, $v->{pkg};
		1372	$progress = 1;
911	1	1373	}
912	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
913	}	1379	};
914	}	1380	}
915		1381
916	#############################################################################	1382	#############################################################################
917		1383
		1384	=back
		1385
918	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
919		1387
920	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
921		1389
922	=cut	1390	=cut
…		…
927		1395
928	=head3 cf::player	1396	=head3 cf::player
929		1397
930	=over 4	1398	=over 4
931		1399
		1400	=item cf::player::num_playing
		1401
		1402	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1403
		1404	=cut
		1405
		1406	sub num_playing {
		1407	scalar grep
		1408	$_->ob->map
		1409	&& !$_->hidden
		1410	&& !$_->ob->flag (cf::FLAG_WIZ),
		1411	cf::player::list
		1412	}
		1413
932	=item cf::player::find $login	1414	=item cf::player::find $login
933		1415
934	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
935		1417
936	=cut	1418	=cut
937		1419
938	sub playerdir($) {	1420	sub playerdir($) {
939	cf::localdir	1421	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1423	}
945		1424
946	sub path($) {	1425	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1427
949	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
950	}	1429	}
951		1430
952	sub find_active($) {	1431	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
957		1436
958	sub exists($) {	1437	sub exists($) {
959	my ($login) = @_;	1438	my ($login) = @_;
960		1439
961	$cf::PLAYER{$login}	1440	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1441	or cf::sync_job { !aio_stat path $login }
963	}	1442	}
964		1443
965	sub find($) {	1444	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1445	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1446	my $login = $_[0];
968		1447
969	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
970		1449
971	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1451	# rename old playerfiles to new ones
		1452	#TODO: remove when no longer required
		1453	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1454	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1455	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1456	aio_unlink +(playerdir $login) . "/$login.pl";
		1457
		1458	my $f = new_from_file cf::object::thawer path $login
973	or return;	1459	or return;
		1460
		1461	my $pl = cf::player::load_pl $f
		1462	or return;
		1463
		1464	local $cf::PLAYER_LOADING{$login} = $pl;
		1465	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
975	}	1467	}
976	}	1468	}
977	}	1469	}
978		1470
…		…
987	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
988		1480
989	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
991		1483
		1484	cf::get_slot 0.01;
		1485
992	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
993	Coro::cede;	1487	cf::cede_to_tick;
994	}	1488	}
995		1489
996	sub new($) {	1490	sub new($) {
997	my ($login) = @_;	1491	my ($login) = @_;
998		1492
…		…
1004	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1005		1499
1006	$self	1500	$self
1007	}	1501	}
1008		1502
		1503	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1504
		1505	=cut
		1506
		1507	sub send_msg {
		1508	my $ns = shift->ns
		1509	or return;
		1510	$ns->send_msg (@_);
		1511	}
		1512
1009	=item $pl->quit_character	1513	=item $pl->quit_character
1010		1514
1011	Nukes the player without looking back. If logged in, the connection will	1515	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1013		1517
1014	=cut	1518	=cut
1015		1519
1016	sub quit_character {	1520	sub quit_character {
1017	my ($pl) = @_;	1521	my ($pl) = @_;
1018		1522
		1523	my $name = $pl->ob->name;
		1524
1019	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1526	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1527
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1024	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1025	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1026		1534
1027	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1539	$pl->destroy;
		1540
		1541	my $prefix = qr<^~\Q$name\E/>;
		1542
		1543	# nuke player maps
		1544	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1545
1032	IO::AIO::aio_rmtree $temp;	1546	IO::AIO::aio_rmtree $temp;
		1547	}
		1548
		1549	=item $pl->kick
		1550
		1551	Kicks a player out of the game. This destroys the connection.
		1552
		1553	=cut
		1554
		1555	sub kick {
		1556	my ($pl, $kicker) = @_;
		1557
		1558	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1559	$pl->killer ("kicked");
		1560	$pl->ns->destroy;
1033	}	1561	}
1034		1562
1035	=item cf::player::list_logins	1563	=item cf::player::list_logins
1036		1564
1037	Returns am arrayref of all valid playernames in the system, can take a	1565	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1039		1567
1040	=cut	1568	=cut
1041		1569
1042	sub list_logins {	1570	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1572	or return [];
1045		1573
1046	my @logins;	1574	my @logins;
1047		1575
1048	for my $login (@$dirs) {	1576	for my $login (@$dirs) {
		1577	my $path = path $login;
		1578
		1579	# a .pst is a dead give-away for a valid player
		1580	# if no pst file found, open and chekc for blocked users
		1581	if (aio_stat "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1052		1586
1053	utf8::decode $login;	1587	utf8::decode $login;
1054	push @logins, $login;	1588	push @logins, $login;
1055	}	1589	}
1056		1590
…		…
1064		1598
1065	=cut	1599	=cut
1066		1600
1067	sub maps($) {	1601	sub maps($) {
1068	my ($pl) = @_;	1602	my ($pl) = @_;
		1603
		1604	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1605
1070	my $files = aio_readdir playerdir $pl	1606	my $files = aio_readdir playerdir $pl
1071	or return;	1607	or return;
1072		1608
1073	my @paths;	1609	my @paths;
…		…
1075	for (@$files) {	1611	for (@$files) {
1076	utf8::decode $_;	1612	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1613	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1614	next unless /^$PATH_SEP/o;
1079		1615
1080	s/\.map$//;	1616	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1617	}
1083		1618
1084	\@paths	1619	\@paths
1085	}	1620	}
1086		1621
		1622	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1623
		1624	Expand crossfire pod fragments into protocol xml.
		1625
		1626	=cut
		1627
		1628	use re 'eval';
		1629
		1630	my $group;
		1631	my $interior; $interior = qr{
		1632	# match a pod interior sequence sans C<< >>
		1633	(?:
		1634	\ (.*?)\ (?{ $group = $^N })
		1635	| < (??{$interior}) >
		1636	)
		1637	}x;
		1638
		1639	sub expand_cfpod {
		1640	my ($self, $pod) = @_;
		1641
		1642	my $xml;
		1643
		1644	while () {
		1645	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1646	$group = $1;
		1647
		1648	$group =~ s/&/&amp;/g;
		1649	$group =~ s/</&lt;/g;
		1650
		1651	$xml .= $group;
		1652	} elsif ($pod =~ m%\G
		1653	([BCGHITU])
		1654	<
		1655	(?:
		1656	([^<>]*) (?{ $group = $^N })
		1657	| < $interior >
		1658	)
		1659	>
		1660	%gcsx
		1661	) {
		1662	my ($code, $data) = ($1, $group);
		1663
		1664	if ($code eq "B") {
		1665	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1666	} elsif ($code eq "I") {
		1667	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1668	} elsif ($code eq "U") {
		1669	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1670	} elsif ($code eq "C") {
		1671	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1672	} elsif ($code eq "T") {
		1673	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1674	} elsif ($code eq "G") {
		1675	my ($male, $female) = split /\|/, $data;
		1676	$data = $self->gender ? $female : $male;
		1677	$xml .= expand_cfpod ($self, $data);
		1678	} elsif ($code eq "H") {
		1679	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1680	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1681	"")
		1682	[$self->{hintmode}];
		1683	} else {
		1684	$xml .= "error processing '$code($data)' directive";
		1685	}
		1686	} else {
		1687	if ($pod =~ /\G(.+)/) {
		1688	warn "parse error while expanding $pod (at $1)";
		1689	}
		1690	last;
		1691	}
		1692	}
		1693
		1694	for ($xml) {
		1695	# create single paragraphs (very hackish)
		1696	s/(?<=\S)\n(?=\w)/ /g;
		1697
		1698	# compress some whitespace
		1699	s/\s+\n/\n/g; # ws line-ends
		1700	s/\n\n+/\n/g; # double lines
		1701	s/^\n+//; # beginning lines
		1702	s/\n+$//; # ending lines
		1703	}
		1704
		1705	$xml
		1706	}
		1707
		1708	no re 'eval';
		1709
		1710	sub hintmode {
		1711	$_[0]{hintmode} = $_[1] if @_ > 1;
		1712	$_[0]{hintmode}
		1713	}
		1714
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1088		1716
1089	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1090		1718
1091	=cut	1719	=cut
1092		1720
1093	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1095		1723
1096	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1725	}
1100		1726
1101	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		1734	my ($self, $type, @msg) = @_;
		1735
		1736	$self->ns->ext_msg ($type, @msg);
		1737	}
		1738
		1739	=head3 cf::region
		1740
		1741	=over 4
		1742
		1743	=cut
		1744
		1745	package cf::region;
		1746
		1747	=item cf::region::find_by_path $path
		1748
		1749	Tries to decuce the likely region for a map knowing only its path.
		1750
		1751	=cut
		1752
		1753	sub find_by_path($) {
		1754	my ($path) = @_;
		1755
		1756	my ($match, $specificity);
		1757
		1758	for my $region (list) {
		1759	if ($region->{match} && $path =~ $region->{match}) {
		1760	($match, $specificity) = ($region, $region->specificity)
		1761	if $region->specificity > $specificity;
		1762	}
		1763	}
		1764
		1765	$match
		1766	}
1102		1767
1103	=back	1768	=back
1104
1105		1769
1106	=head3 cf::map	1770	=head3 cf::map
1107		1771
1108	=over 4	1772	=over 4
1109		1773
…		…
1121	our $MAX_RESET = 3600;	1785	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1786	our $DEFAULT_RESET = 3000;
1123		1787
1124	sub generate_random_map {	1788	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1789	my ($self, $rmp) = @_;
		1790
		1791	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
		1792
1126	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1127	$self->_create_random_map (	1794	$self->_create_random_map (
1128	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1797	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1806	)
1140	}	1807	}
1141		1808
		1809	=item cf::map->register ($regex, $prio)
		1810
		1811	Register a handler for the map path matching the given regex at the
		1812	givne priority (higher is better, built-in handlers have priority 0, the
		1813	default).
		1814
		1815	=cut
		1816
1142	sub register {	1817	sub register {
1143	my (undef, $regex) = @_;	1818	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1819	my $pkg = caller;
1145		1820
1146	no strict;	1821	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1822	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1823
1149	$EXT_MAP{$pkg} = qr<$regex>;	1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1825	}
1151		1826
1152	# also paths starting with '/'	1827	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1829
1155	sub thawer_merge {	1830	sub thawer_merge {
1156	my ($self, $merge) = @_;	1831	my ($self, $merge) = @_;
1157		1832
1158	# we have to keep some variables in memory intact	1833	# we have to keep some variables in memory intact
1159	local $self->{path};	1834	local $self->{path};
1160	local $self->{load_path};	1835	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1836
1164	$self->SUPER::thawer_merge ($merge);	1837	$self->SUPER::thawer_merge ($merge);
1165	}	1838	}
1166		1839
1167	sub normalise {	1840	sub normalise {
1168	my ($path, $base) = @_;	1841	my ($path, $base) = @_;
		1842
		1843	$path = "$path"; # make sure its a string
		1844
		1845	$path =~ s/\.map$//;
1169		1846
1170	# map plan:	1847	# map plan:
1171	#	1848	#
1172	# /! non-realised random map exit (special hack!)	1849	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1850	# {... are special paths that are not being touched
…		…
1201		1878
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1879	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1880
1204	$path = normalise $path, $base;	1881	$path = normalise $path, $base;
1205		1882
1206	for my $pkg (keys %EXT_MAP) {	1883	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1884	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1885	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1886	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1211	return $self;	1888	return $self;
1212	}	1889	}
1213	}	1890	}
1214		1891
1215	Carp::carp "unable to resolve path '$path'.";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1893	()
1217	}	1894	}
1218		1895
1219	sub init {	1896	sub init {
1220	my ($self) = @_;	1897	my ($self) = @_;
…		…
1235		1912
1236	# the original (read-only) location	1913	# the original (read-only) location
1237	sub load_path {	1914	sub load_path {
1238	my ($self) = @_;	1915	my ($self) = @_;
1239		1916
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1241	}	1918	}
1242		1919
1243	# the temporary/swap location	1920	# the temporary/swap location
1244	sub save_path {	1921	sub save_path {
1245	my ($self) = @_;	1922	my ($self) = @_;
1246		1923
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1925	"$TMPDIR/$path.map"
1249	}	1926	}
1250		1927
1251	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1252	sub uniq_path {	1929	sub uniq_path {
1253	my ($self) = @_;	1930	my ($self) = @_;
1254		1931
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1933	"$UNIQUEDIR/$path"
1257	}	1934	}
1258		1935
1259	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1260	# all maps in C++...	1937	# all maps in C++...
1261	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1263		1940
1264	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1266	}	1943	}
1267		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1268	sub unlink_save {	1953	sub unlink_save {
1269	my ($self) = @_;	1954	my ($self) = @_;
1270		1955
1271	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1960
1276	sub load_header_from($) {	1961	sub load_header_from($) {
1277	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1278		1963
1279	utf8::encode $path;	1964	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1281	or return;	1966	or return;
1282		1967
1283	$self->_load_header ($path)	1968	$self->_load_header ($f)
1284	or return;	1969	or return;
1285		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
		1973
1286	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1287		1975
1288	1	1976	1
1289	}	1977	}
1290		1978
1291	sub load_orig {	1979	sub load_header_orig {
1292	my ($self) = @_;	1980	my ($self) = @_;
1293		1981
1294	$self->load_header_from ($self->load_path)	1982	$self->load_header_from ($self->load_path)
1295	}	1983	}
1296		1984
1297	sub load_temp {	1985	sub load_header_temp {
1298	my ($self) = @_;	1986	my ($self) = @_;
1299		1987
1300	$self->load_header_from ($self->save_path)	1988	$self->load_header_from ($self->save_path)
		1989	}
		1990
		1991	sub prepare_temp {
		1992	my ($self) = @_;
		1993
		1994	$self->last_access ((delete $self->{last_access})
		1995	|| $cf::RUNTIME); #d#
		1996	# safety
		1997	$self->{instantiate_time} = $cf::RUNTIME
		1998	if $self->{instantiate_time} > $cf::RUNTIME;
		1999	}
		2000
		2001	sub prepare_orig {
		2002	my ($self) = @_;
		2003
		2004	$self->{load_original} = 1;
		2005	$self->{instantiate_time} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007	$self->instantiate;
1301	}	2008	}
1302		2009
1303	sub load_header {	2010	sub load_header {
1304	my ($self) = @_;	2011	my ($self) = @_;
1305		2012
1306	if ($self->load_temp) {	2013	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	2014	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	2015	} else {
1313	$self->load_orig	2016	$self->load_header_orig
1314	or return;	2017	or return;
1315		2018	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	2019	}
		2020
		2021	$self->{deny_reset} = 1
		2022	if $self->no_reset;
		2023
		2024	$self->default_region (cf::region::find_by_path $self->{path})
		2025	unless $self->default_region;
1321		2026
1322	1	2027	1
1323	}	2028	}
1324		2029
1325	sub find;	2030	sub find;
1326	sub find {	2031	sub find {
1327	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1328		2033
1329	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1330		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1332		2038
1333	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1334	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1335	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1336	or return;	2044	or return;
1337		2045
1338	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1339		2047
1340	$map->load_header	2048	$map->load_header
1341	or return;	2049	or return;
1342		2050
1343	if ($map->should_reset) {	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2052	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1345	$map->reset;	2056	$map->reset;
1346	undef $guard;
1347	$map = find $path	2057	return find $path;
1348	or return;
1349	}	2058	}
1350		2059
1351	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1352	}	2061	}
1353	}	2062	}
		2063
		2064	sub pre_load { }
		2065	sub post_load { }
1354		2066
1355	sub load {	2067	sub load {
1356	my ($self) = @_;	2068	my ($self) = @_;
1357		2069
		2070	local $self->{deny_reset} = 1; # loading can take a long time
		2071
1358	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1359	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1360		2076
		2077	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1362		2079
1363	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1364		2081
1365	$self->alloc;	2082	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	2083
		2084	$self->pre_load;
		2085	cf::cede_to_tick;
		2086
		2087	my $f = new_from_file cf::object::thawer $self->{load_path};
		2088	$f->skip_block;
		2089	$self->_load_objects ($f)
1367	or return;	2090	or return;
1368		2091
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1370	if delete $self->{load_original};	2093	if delete $self->{load_original};
1371		2094
1372	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	2096	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	2099	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1377	}	2103	}
1378	}	2104	}
1379		2105
1380	Coro::cede;	2106	$f->resolve_delayed_derefs;
1381		2107
		2108	cf::cede_to_tick;
1382	# now do the right thing for maps	2109	# now do the right thing for maps
1383	$self->link_multipart_objects;	2110	$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)	2111	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	2112	unless $self->difficulty;
1393	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($self->{deny_activate}) {
		2116	$self->decay_objects;
		2117	$self->fix_auto_apply;
		2118	$self->update_buttons;
		2119	cf::cede_to_tick;
		2120	$self->set_darkness_map;
		2121	cf::cede_to_tick;
1394	$self->activate;	2122	$self->activate;
1395	}	2123	}
1396		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1397	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
		2129	}
		2130
		2131	$self->post_load;
1398	}	2132	}
1399		2133
1400	sub customise_for {	2134	sub customise_for {
1401	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1402		2136
1403	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	2138	if $self->per_player;
1405		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1406	$self	2143	$self
1407	}	2144	}
1408		2145
1409	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	2147	sub load_neighbours {
1411	my ($map) = @_;	2148	my ($map) = @_;
1412		2149
1413	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1414		2151
1415	for (0 .. 3) {	2152	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1417	or next;	2154	or next;
1418	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1419	or next;	2156	or next;
1420	$neigh->load;	2157	$neigh->load;
1421		2158
		2159	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	2162	}
1425		2163
1426	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1428	or next;	2167	or next;
1429	$neigh->load;	2168	$neigh->load;
1430	}	2169	}
1431	}	2170	}
1432		2171
…		…
1437	}	2176	}
1438		2177
1439	sub do_load_sync {	2178	sub do_load_sync {
1440	my ($map) = @_;	2179	my ($map) = @_;
1441		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1442	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1443	}	2185	}
1444		2186
1445	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2188	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		2189
1459	sub find_async {	2190	sub find_async {
1460	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1461		2192
1462	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1463		2194
1464	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2196	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2197	}
		2198
		2199	$MAP_PREFETCH{$path} |= $load;
		2200
		2201	$MAP_PREFETCHER ||= cf::async {
		2202	$Coro::current->{desc} = "map prefetcher";
		2203
		2204	while (%MAP_PREFETCH) {
		2205	while (my ($k, $v) = each %MAP_PREFETCH) {
		2206	if (my $map = find $k) {
		2207	$map->load if $v;
		2208	}
		2209
		2210	delete $MAP_PREFETCH{$k};
		2211	}
		2212	}
		2213	undef $MAP_PREFETCHER;
1466	}	2214	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2215	$MAP_PREFETCHER->prio (6);
1470		2216
1471	()	2217	()
1472	}	2218	}
1473		2219
1474	sub save {	2220	sub save {
1475	my ($self) = @_;	2221	my ($self) = @_;
1476		2222
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2224
1479	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1480		2226
1481	return unless $self->dirty;	2227	return unless $self->dirty;
1482		2228
…		…
1488	return if $self->{deny_save};	2234	return if $self->{deny_save};
1489		2235
1490	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1491		2237
1492	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1493	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1494	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1495		2244
1496	if ($uniq) {	2245	if ($uniq) {
1497	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1498	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1499	} else {	2248	} else {
…		…
1505	my ($self) = @_;	2254	my ($self) = @_;
1506		2255
1507	# save first because save cedes	2256	# save first because save cedes
1508	$self->save;	2257	$self->save;
1509		2258
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2260
1512	return if $self->players;	2261	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1514	return if $self->{deny_save};	2263	return if $self->{deny_save};
1515		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1516	$self->clear;	2269	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2270	}
1519		2271
1520	sub reset_at {	2272	sub reset_at {
1521	my ($self) = @_;	2273	my ($self) = @_;
1522		2274
1523	# TODO: safety, remove and allow resettable per-player maps	2275	# 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};	2276	return 1e99 if $self->{deny_reset};
1526		2277
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2280
…		…
1540	my ($self) = @_;	2291	my ($self) = @_;
1541		2292
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2294
1544	return if $self->players;	2295	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2296
1547	warn "resetting map ", $self->path;#d#	2297	warn "resetting map ", $self->path;
		2298
		2299	$self->in_memory (cf::MAP_SWAPPED);
		2300
		2301	# need to save uniques path
		2302	unless ($self->{deny_save}) {
		2303	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2304
		2305	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2306	if $uniq;
		2307	}
1548		2308
1549	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1550		2310
1551	$self->in_memory (cf::MAP_SWAPPED);	2311	$self->deactivate;
		2312	$_->clear_links_to ($self) for values %cf::MAP;
1552	$self->clear;	2313	$self->clear;
1553
1554	$_->clear_links_to ($self) for values %cf::MAP;
1555		2314
1556	$self->unlink_save;	2315	$self->unlink_save;
1557	$self->destroy;	2316	$self->destroy;
1558	}	2317	}
1559		2318
1560	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1561		2320
1562	sub nuke {	2321	sub nuke {
1563	my ($self) = @_;	2322	my ($self) = @_;
1564		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
1565	delete $cf::MAP{$self->path};	2327	delete $cf::MAP{$self->path};
1566		2328
1567	$self->unlink_save;	2329	$self->unlink_save;
1568		2330
1569	bless $self, "cf::map";	2331	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2332	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2336
1575	$cf::MAP{$self->path} = $self;	2337	$cf::MAP{$self->path} = $self;
		2338	}
1576		2339
1577	$self->reset; # polite request, might not happen	2340	$self->reset; # polite request, might not happen
		2341	}
		2342
		2343	=item $maps = cf::map::tmp_maps
		2344
		2345	Returns an arrayref with all map paths of currently instantiated and saved
		2346	maps. May block.
		2347
		2348	=cut
		2349
		2350	sub tmp_maps() {
		2351	[
		2352	map {
		2353	utf8::decode $_;
		2354	/\.map$/
		2355	? normalise $_
		2356	: ()
		2357	} @{ aio_readdir $TMPDIR or [] }
		2358	]
		2359	}
		2360
		2361	=item $maps = cf::map::random_maps
		2362
		2363	Returns an arrayref with all map paths of currently instantiated and saved
		2364	random maps. May block.
		2365
		2366	=cut
		2367
		2368	sub random_maps() {
		2369	[
		2370	map {
		2371	utf8::decode $_;
		2372	/\.map$/
		2373	? normalise "?random/$_"
		2374	: ()
		2375	} @{ aio_readdir $RANDOMDIR or [] }
		2376	]
1578	}	2377	}
1579		2378
1580	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1581		2380
1582	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2382	instantiated unique items. May block.
1584		2383
1585	=cut	2384	=cut
1586		2385
1587	sub unique_maps() {	2386	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1589	or return;	2388	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2389	utf8::decode $_;
1595	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1596	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1597		2392	? ()
1598	s/\.map$//;	2393	: normalise $_
1599	push @paths, $_;	2394	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2395	]
1601
1602	\@paths
1603	}	2396	}
1604
1605	package cf;
1606		2397
1607	=back	2398	=back
1608		2399
1609	=head3 cf::object	2400	=head3 cf::object
1610		2401
…		…
1614		2405
1615	=over 4	2406	=over 4
1616		2407
1617	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1618		2409
1619	Returns the inventory of the object _and_ their inventories, recursively.	2410	Returns the inventory of the object I<and> their inventories, recursively,
		2411	but I<not> the object itself.
1620		2412
1621	=cut	2413	=cut
1622		2414
1623	sub inv_recursive_;	2415	sub inv_recursive_;
1624	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1627		2419
1628	sub inv_recursive {	2420	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1630	}	2422	}
1631		2423
		2424	=item $ref = $ob->ref
		2425
		2426	Creates and returns a persistent reference to an object that can be stored as a string.
		2427
		2428	=item $ob = cf::object::deref ($refstring)
		2429
		2430	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2431	even if the object actually exists. May block.
		2432
		2433	=cut
		2434
		2435	sub deref {
		2436	my ($ref) = @_;
		2437
		2438	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2439	my ($uuid, $name) = ($1, $2);
		2440	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2441	or return;
		2442	$pl->ob->uuid eq $uuid
		2443	or return;
		2444
		2445	$pl->ob
		2446	} else {
		2447	warn "$ref: cannot resolve object reference\n";
		2448	undef
		2449	}
		2450	}
		2451
1632	package cf;	2452	package cf;
1633		2453
1634	=back	2454	=back
1635		2455
1636	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1642	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2462	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1643	can be C<undef>. Does the right thing when the player is currently in a	2463	can be C<undef>. Does the right thing when the player is currently in a
1644	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1645		2465
1646	=cut	2466	=cut
		2467
		2468	our $SAY_CHANNEL = {
		2469	id => "say",
		2470	title => "Map",
		2471	reply => "say ",
		2472	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2473	};
		2474
		2475	our $CHAT_CHANNEL = {
		2476	id => "chat",
		2477	title => "Chat",
		2478	reply => "chat ",
		2479	tooltip => "Player chat and shouts, global to the server.",
		2480	};
1647		2481
1648	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1649	# with dialog boxes.	2483	# with dialog boxes.
1650	#TODO: the first argument must go, split into a $npc->reply_to ( method	2484	#TODO: the first argument must go, split into a $npc->reply_to ( method
1651	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1653		2487
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2489
1656	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1658	} else {	2493	} else {
		2494	my $pl = $self->contr;
		2495
		2496	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2497	my $dialog = $pl->{npc_dialog};
		2498	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2499
		2500	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1661	}	2504	}
		2505	}
		2506
		2507	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2508
		2509	=cut
		2510
		2511	sub cf::object::send_msg {
		2512	my $pl = shift->contr
		2513	or return;
		2514	$pl->send_msg (@_);
1662	}	2515	}
1663		2516
1664	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1665		2518
1666	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2551	=cut
1699		2552
1700	sub link_map {	2553	sub link_map {
1701	unless ($LINK_MAP) {	2554	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2555	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2556	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2557	$LINK_MAP->load;
1705	}	2558	}
1706		2559
1707	$LINK_MAP	2560	$LINK_MAP
1708	}	2561	}
…		…
1713	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1714		2567
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2569
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1719		2572
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2574	}
1722		2575
1723	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1725		2580
1726	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1727		2582
1728	unless ($map) {	2583	unless ($map) {
1729	# restore original map position	2584	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1746		2601
1747	$map->load;	2602	$map->load;
1748	$map->load_diag;	2603	$map->load_neighbours;
1749		2604
1750	return unless $self->contr->active;	2605	return unless $self->contr->active;
1751	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1753	}	2610	}
1754		2611
1755	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2613
1759	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1763	};	2618	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2619
1769	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1770	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786		2622
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1790		2626
1791	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2628	my ($self, $path, $x, $y, $check, $done) = @_;
		2629
		2630	# do generation counting so two concurrent goto's will be executed in-order
		2631	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2632
1794	$self->enter_link;	2633	$self->enter_link;
1795		2634
1796	(async {	2635	(async {
1797	my $map = cf::map::find $path;	2636	$Coro::current->{desc} = "player::goto $path $x $y";
		2637
		2638	# *tag paths override both path and x|y
		2639	if ($path =~ /^\*(.*)$/) {
		2640	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2641	my $ob = $obs[rand @obs];
		2642
		2643	# see if we actually can go there
		2644	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2645	$ob = $obs[rand @obs];
		2646	} else {
		2647	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2648	}
		2649	# else put us there anyways for now #d#
		2650
		2651	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2652	} else {
		2653	($path, $x, $y) = (undef, undef, undef);
		2654	}
		2655	}
		2656
		2657	my $map = eval {
		2658	my $map = defined $path ? cf::map::find $path : undef;
		2659
		2660	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1799		2662	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2664	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2665	}
1804		2666
		2667	$map
		2668	};
		2669
		2670	if ($@) {
		2671	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2672	LOG llevError | logBacktrace, Carp::longmess $@;
		2673	}
		2674
		2675	if ($gen == $self->{_goto_generation}) {
		2676	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1806	})->prio (1);	2681	})->prio (1);
1807	}	2682	}
1808		2683
1809	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1810		2685
…		…
1812		2687
1813	sub parse_random_map_params {	2688	sub parse_random_map_params {
1814	my ($spec) = @_;	2689	my ($spec) = @_;
1815		2690
1816	my $rmp = { # defaults	2691	my $rmp = { # defaults
1817	xsize => -1,	2692	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1819	};	2696	};
1820		2697
1821	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1823		2700
…		…
1835	# that depends on the exit object	2712	# that depends on the exit object
1836		2713
1837	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1838		2715
1839	if ($exit->map) {	2716	if ($exit->map) {
1840	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1841	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1842	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1843	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1844	}	2723	}
1845		2724
1846	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1847		2726
1848	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1849	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
1850	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2729	my $meta = "$RANDOMDIR/$md5.meta";
1851		2730
1852	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
1854	undef $fh;	2733	undef $fh;
1855	aio_rename "$meta~", $meta;	2734	aio_rename "$meta~", $meta;
1856		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1857	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1858	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1859	}	2742	}
1860	}	2743	}
1861		2744
1862	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1863	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1865	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1866		2749
1867	$self->enter_link;	2750	$self->enter_link;
1868		2751
1869	(async {	2752	(async {
1870	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1871	unless (eval {	2755	unless (eval {
		2756	$self->deactivate_recursive; # just to be sure
		2757
		2758	# random map handling
		2759	{
		2760	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2761
1872	prepare_random_map $exit	2762	prepare_random_map $exit
1873	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1874		2765
1875	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2766	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1876	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1877		2769
		2770	$self->goto ($map, $x, $y);
		2771
		2772	# if exit is damned, update players death & WoR home-position
		2773	$self->contr->savebed ($map, $x, $y)
		2774	if $exit->flag (cf::FLAG_DAMNED);
		2775
1878	1;	2776	1
1879	}) {	2777	}) {
1880	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1881	. "I'll try to bring you back to the map you were before. "	2779	. "I'll try to bring you back to the map you were before. "
1882	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1883	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1884		2782
1885	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1886	$self->leave_link;	2784	$self->leave_link;
1887	}	2785	}
1888	})->prio (1);	2786	})->prio (1);
…		…
1901		2799
1902	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1903	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1904		2802
1905	utf8::encode $text;	2803	utf8::encode $text;
1906	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1907	}	2805	}
1908		2806
		2807	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2808
		2809	Send a drawinfo or msg packet to the client, formatting the msg for the
		2810	client if neccessary. C<$type> should be a string identifying the type of
		2811	the message, with C<log> being the default. If C<$color> is negative, suppress
		2812	the message unless the client supports the msg packet.
		2813
		2814	=cut
		2815
		2816	# non-persistent channels (usually the info channel)
		2817	our %CHANNEL = (
		2818	"c/identify" => {
		2819	id => "infobox",
		2820	title => "Identify",
		2821	reply => undef,
		2822	tooltip => "Items recently identified",
		2823	},
		2824	"c/examine" => {
		2825	id => "infobox",
		2826	title => "Examine",
		2827	reply => undef,
		2828	tooltip => "Signs and other items you examined",
		2829	},
		2830	"c/book" => {
		2831	id => "infobox",
		2832	title => "Book",
		2833	reply => undef,
		2834	tooltip => "The contents of a note or book",
		2835	},
		2836	"c/lookat" => {
		2837	id => "infobox",
		2838	title => "Look",
		2839	reply => undef,
		2840	tooltip => "What you saw there",
		2841	},
		2842	"c/who" => {
		2843	id => "infobox",
		2844	title => "Players",
		2845	reply => undef,
		2846	tooltip => "Shows players who are currently online",
		2847	},
		2848	"c/body" => {
		2849	id => "infobox",
		2850	title => "Body Parts",
		2851	reply => undef,
		2852	tooltip => "Shows which body parts you posess and are available",
		2853	},
		2854	"c/uptime" => {
		2855	id => "infobox",
		2856	title => "Uptime",
		2857	reply => undef,
		2858	tooltip => "How long the server has been running since last restart",
		2859	},
		2860	"c/mapinfo" => {
		2861	id => "infobox",
		2862	title => "Map Info",
		2863	reply => undef,
		2864	tooltip => "Information related to the maps",
		2865	},
		2866	"c/party" => {
		2867	id => "party",
		2868	title => "Party",
		2869	reply => "gsay ",
		2870	tooltip => "Messages and chat related to your party",
		2871	},
		2872	);
		2873
		2874	sub cf::client::send_msg {
		2875	my ($self, $channel, $msg, $color, @extra) = @_;
		2876
		2877	$msg = $self->pl->expand_cfpod ($msg);
		2878
		2879	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2880
		2881	# check predefined channels, for the benefit of C
		2882	if ($CHANNEL{$channel}) {
		2883	$channel = $CHANNEL{$channel};
		2884
		2885	$self->ext_msg (channel_info => $channel)
		2886	if $self->can_msg;
		2887
		2888	$channel = $channel->{id};
		2889
		2890	} elsif (ref $channel) {
		2891	# send meta info to client, if not yet sent
		2892	unless (exists $self->{channel}{$channel->{id}}) {
		2893	$self->{channel}{$channel->{id}} = $channel;
		2894	$self->ext_msg (channel_info => $channel)
		2895	if $self->can_msg;
		2896	}
		2897
		2898	$channel = $channel->{id};
		2899	}
		2900
		2901	return unless @extra || length $msg;
		2902
		2903	if ($self->can_msg) {
		2904	# default colour, mask it out
		2905	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2906	if $color & cf::NDI_DEF;
		2907
		2908	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2909	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2910	} else {
		2911	if ($color >= 0) {
		2912	# replace some tags by gcfclient-compatible ones
		2913	for ($msg) {
		2914	1 while
		2915	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2916	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2917	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2918	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2919	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2920	}
		2921
		2922	$color &= cf::NDI_COLOR_MASK;
		2923
		2924	utf8::encode $msg;
		2925
		2926	if (0 && $msg =~ /\[/) {
		2927	# COMMAND/INFO
		2928	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2929	} else {
		2930	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2931	$self->send_packet ("drawinfo $color $msg")
		2932	}
		2933	}
		2934	}
		2935	}
		2936
		2937	=item $client->ext_msg ($type, @msg)
		2938
		2939	Sends an ext event to the client.
		2940
		2941	=cut
		2942
		2943	sub cf::client::ext_msg($$@) {
		2944	my ($self, $type, @msg) = @_;
		2945
		2946	if ($self->extcmd == 2) {
		2947	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2948	} elsif ($self->extcmd == 1) { # TODO: remove
		2949	push @msg, msgtype => "event_$type";
		2950	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2951	}
		2952	}
		2953
		2954	=item $client->ext_reply ($msgid, @msg)
		2955
		2956	Sends an ext reply to the client.
		2957
		2958	=cut
		2959
		2960	sub cf::client::ext_reply($$@) {
		2961	my ($self, $id, @msg) = @_;
		2962
		2963	if ($self->extcmd == 2) {
		2964	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2965	} elsif ($self->extcmd == 1) {
		2966	#TODO: version 1, remove
		2967	unshift @msg, msgtype => "reply", msgid => $id;
		2968	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2969	}
		2970	}
1909		2971
1910	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1911		2973
1912	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1913	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2975	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1914	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2976	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1915		2977
1916	Queries can fail, so check the return code. Or don't, as queries will become	2978	Queries can fail, so check the return code. Or don't, as queries will
1917	reliable at some point in the future.	2979	become reliable at some point in the future.
1918		2980
1919	=cut	2981	=cut
1920		2982
1921	sub cf::client::query {	2983	sub cf::client::query {
1922	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1930	utf8::encode $text;	2992	utf8::encode $text;
1931	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1932		2994
1933	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
1934	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
1935	}	2999	}
1936		3000
1937	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
1938	on_reply => sub {	3007	on_reply => sub {
1939	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
1940		3009
1941	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
1942	# get handled first	3011	# get handled first
1943	my $queue = delete $ns->{query_queue}	3012	my $queue = delete $ns->{query_queue}
1944	or return; # be conservative, not sure how that can happen, but we saw a crash here	3013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1945		3014
1946	(shift @$queue)->[1]->($msg);	3015	(shift @$queue)->[1]->($msg);
		3016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1947		3017
1948	push @{ $ns->{query_queue} }, @$queue;	3018	push @{ $ns->{query_queue} }, @$queue;
1949		3019
1950	if (@{ $ns->{query_queue} } == @$queue) {	3020	if (@{ $ns->{query_queue} } == @$queue) {
1951	if (@$queue) {	3021	if (@$queue) {
…		…
1953	} else {	3023	} else {
1954	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1955	}	3025	}
1956	}	3026	}
1957	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($ns, $buf) = @_;
		3030
		3031	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3032
		3033	if (ref $msg) {
		3034	my ($type, $reply, @payload) =
		3035	"ARRAY" eq ref $msg
		3036	? @$msg
		3037	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3038
		3039	my @reply;
		3040
		3041	if (my $cb = $EXTICMD{$type}) {
		3042	@reply = $cb->($ns, @payload);
		3043	}
		3044
		3045	$ns->ext_reply ($reply, @reply)
		3046	if $reply;
		3047
		3048	} else {
		3049	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3050	}
		3051
		3052	cf::override;
		3053	},
1958	);	3054	);
1959		3055
1960	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
1961		3057
1962	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
2003	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
2004	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
2005		3101
2006	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
2007		3103
2008	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2009		3109
2010	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2011		3111
2012	=pod	3112	=pod
2013		3113
2014	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2015		3115
2016	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2017	cf::object::player player	3120	cf::object::player
2018	cf::player peaceful	3121	player
2019	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2020		3128
2021	=cut	3129	=cut
2022		3130
2023	for (	3131	for (
2024	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2025	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2026	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2027	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2028	) {	3138	) {
2029	no strict 'refs';	3139	no strict 'refs';
…		…
2100	=back	3210	=back
2101		3211
2102	=cut	3212	=cut
2103		3213
2104	#############################################################################	3214	#############################################################################
		3215	# the server's init and main functions
2105		3216
2106	=head2 EXTENSION DATABASE SUPPORT	3217	sub load_facedata($) {
		3218	my ($path) = @_;
2107		3219
2108	Crossfire maintains a very simple database for extension use. It can	3220	# HACK to clear player env face cache, we need some signal framework
2109	currently store anything that can be serialised using Storable, which	3221	# for this (global event?)
2110	excludes objects.	3222	%ext::player_env::MUSIC_FACE_CACHE = ();
2111		3223
2112	The parameter C<$family> should best start with the name of the extension	3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2113	using it, it should be unique.
2114		3225
2115	=over 4	3226	warn "loading facedata from $path\n";
2116		3227
2117	=item $hashref = cf::db_get $family	3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
2118		3231
2119	Return a hashref for use by the extension C<$family>, which can be	3232	$facedata = Coro::Storable::thaw $facedata;
2120	modified. After modifications, you have to call C<cf::db_dirty> or
2121	C<cf::db_sync>.
2122		3233
2123	=item $value = cf::db_get $family => $key	3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2124		3236
2125	Returns a single value from the database	3237	# patch in the exptable
2126		3238	$facedata->{resource}{"res/exp_table"} = {
2127	=item cf::db_put $family => $hashref	3239	type => FT_RSRC,
2128		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2129	Stores the given family hashref into the database. Updates are delayed, if
2130	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2131
2132	=item cf::db_put $family => $key => $value
2133
2134	Stores the given C<$value> in the family hash. Updates are delayed, if you
2135	want the data to be synced to disk immediately, use C<cf::db_sync>.
2136
2137	=item cf::db_dirty
2138
2139	Marks the database as dirty, to be updated at a later time.
2140
2141	=item cf::db_sync
2142
2143	Immediately write the database to disk I<if it is dirty>.
2144
2145	=cut
2146
2147	our $DB;
2148
2149	{
2150	my $path = cf::localdir . "/database.pst";
2151
2152	sub db_load() {
2153	$DB = stat $path ? Storable::retrieve $path : { };
2154	}
2155
2156	my $pid;
2157
2158	sub db_save() {
2159	waitpid $pid, 0 if $pid;
2160	if (0 == ($pid = fork)) {
2161	$DB->{_meta}{version} = 1;
2162	Storable::nstore $DB, "$path~";
2163	rename "$path~", $path;
2164	cf::_exit 0 if defined $pid;
2165	}
2166	}
2167
2168	my $dirty;
2169
2170	sub db_sync() {
2171	db_save if $dirty;
2172	undef $dirty;
2173	}
2174
2175	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2176	db_sync;
2177	});	3241	};
		3242	cf::cede_to_tick;
2178		3243
2179	sub db_dirty() {
2180	$dirty = 1;
2181	$idle->start;
2182	}	3244	{
		3245	my $faces = $facedata->{faceinfo};
2183		3246
2184	sub db_get($;$) {	3247	while (my ($face, $info) = each %$faces) {
2185	@_ >= 2	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2186	? $DB->{$_[0]}{$_[1]}
2187	: ($DB->{$_[0]} ||= { })
2188	}
2189		3249
2190	sub db_put($$;$) {	3250	cf::face::set_visibility $idx, $info->{visibility};
2191	if (@_ >= 3) {	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2192	$DB->{$_[0]}{$_[1]} = $_[2];	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2193	} else {	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2194	$DB->{$_[0]} = $_[1];
2195	}
2196	db_dirty;
2197	}
2198		3254
2199	cf::global->attach (	3255	cf::cede_to_tick;
2200	prio => 10000,
2201	on_cleanup => sub {
2202	db_sync;
2203	},	3256	}
2204	);
2205	}
2206		3257
2207	#############################################################################	3258	while (my ($face, $info) = each %$faces) {
2208	# the server's main()	3259	next unless $info->{smooth};
2209		3260
2210	sub cfg_load {	3261	my $idx = cf::face::find $face
		3262	or next;
		3263
		3264	if (my $smooth = cf::face::find $info->{smooth}) {
		3265	cf::face::set_smooth $idx, $smooth;
		3266	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3267	} else {
		3268	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3269	}
		3270
		3271	cf::cede_to_tick;
		3272	}
		3273	}
		3274
		3275	{
		3276	my $anims = $facedata->{animinfo};
		3277
		3278	while (my ($anim, $info) = each %$anims) {
		3279	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3280	cf::cede_to_tick;
		3281	}
		3282
		3283	cf::anim::invalidate_all; # d'oh
		3284	}
		3285
		3286	{
		3287	# TODO: for gcfclient pleasure, we should give resources
		3288	# that gcfclient doesn't grok a >10000 face index.
		3289	my $res = $facedata->{resource};
		3290
		3291	while (my ($name, $info) = each %$res) {
		3292	if (defined $info->{type}) {
		3293	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3294	my $data;
		3295
		3296	if ($info->{type} & 1) {
		3297	# prepend meta info
		3298
		3299	my $meta = $enc->encode ({
		3300	name => $name,
		3301	%{ $info->{meta} || {} },
		3302	});
		3303
		3304	$data = pack "(w/a*)*", $meta, $info->{data};
		3305	} else {
		3306	$data = $info->{data};
		3307	}
		3308
		3309	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3310	cf::face::set_type $idx, $info->{type};
		3311	} else {
		3312	$RESOURCE{$name} = $info;
		3313	}
		3314
		3315	cf::cede_to_tick;
		3316	}
		3317	}
		3318
		3319	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3320
		3321	1
		3322	}
		3323
		3324	cf::global->attach (on_resource_update => sub {
		3325	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3326	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3327
		3328	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3329	my $sound = $soundconf->{compat}[$_]
		3330	or next;
		3331
		3332	my $face = cf::face::find "sound/$sound->[1]";
		3333	cf::sound::set $sound->[0] => $face;
		3334	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3335	}
		3336
		3337	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3338	my $face = cf::face::find "sound/$v";
		3339	cf::sound::set $k => $face;
		3340	}
		3341	}
		3342	});
		3343
		3344	register_exticmd fx_want => sub {
		3345	my ($ns, $want) = @_;
		3346
		3347	while (my ($k, $v) = each %$want) {
		3348	$ns->fx_want ($k, $v);
		3349	}
		3350	};
		3351
		3352	sub load_resource_file($) {
		3353	my $guard = lock_acquire "load_resource_file";
		3354
		3355	my $status = load_resource_file_ $_[0];
		3356	get_slot 0.1, 100;
		3357	cf::arch::commit_load;
		3358
		3359	$status
		3360	}
		3361
		3362	sub reload_regions {
		3363	# HACK to clear player env face cache, we need some signal framework
		3364	# for this (global event?)
		3365	%ext::player_env::MUSIC_FACE_CACHE = ();
		3366
		3367	load_resource_file "$MAPDIR/regions"
		3368	or die "unable to load regions file\n";
		3369
		3370	for (cf::region::list) {
		3371	$_->{match} = qr/$_->{match}/
		3372	if exists $_->{match};
		3373	}
		3374	}
		3375
		3376	sub reload_facedata {
		3377	load_facedata "$DATADIR/facedata"
		3378	or die "unable to load facedata\n";
		3379	}
		3380
		3381	sub reload_archetypes {
		3382	load_resource_file "$DATADIR/archetypes"
		3383	or die "unable to load archetypes\n";
		3384	}
		3385
		3386	sub reload_treasures {
		3387	load_resource_file "$DATADIR/treasures"
		3388	or die "unable to load treasurelists\n";
		3389	}
		3390
		3391	sub reload_resources {
		3392	warn "reloading resource files...\n";
		3393
		3394	reload_facedata;
		3395	reload_archetypes;
		3396	reload_regions;
		3397	reload_treasures;
		3398
		3399	warn "finished reloading resource files\n";
		3400	}
		3401
		3402	sub init {
		3403	my $guard = freeze_mainloop;
		3404
		3405	evthread_start IO::AIO::poll_fileno;
		3406
		3407	reload_resources;
		3408	}
		3409
		3410	sub reload_config {
2211	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2212	or return;	3412	or return;
2213		3413
2214	local $/;	3414	local $/;
2215	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2216		3416
2217	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2218		3418
2219	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3419	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2220	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3420	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2231	sub main {	3431	sub main {
2232	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2233	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2234	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3434	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2235	(async {	3435	(async {
2236	Event::one_event;	3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
2237	})->prio (Coro::PRIO_MAX);	3438	})->prio (Coro::PRIO_MAX);
2238	};	3439	};
2239		3440
2240	cfg_load;	3441	{
2241	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2242	load_extensions;	3445	load_extensions;
		3446
		3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2243	Event::loop;	3450	EV::loop;
2244	}	3451	}
2245		3452
2246	#############################################################################	3453	#############################################################################
2247	# initialisation and cleanup	3454	# initialisation and cleanup
2248		3455
2249	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2250	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2251	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2252	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2253	data => WF_AUTOCANCEL,
2254	signal => $signal,
2255	cb => sub {
2256	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2257	},
2258	);	3462	};
		3463	}
		3464	}
		3465
		3466	sub write_runtime_sync {
		3467	my $runtime = "$LOCALDIR/runtime";
		3468
		3469	# first touch the runtime file to show we are still running:
		3470	# the fsync below can take a very very long time.
		3471
		3472	IO::AIO::aio_utime $runtime, undef, undef;
		3473
		3474	my $guard = cf::lock_acquire "write_runtime";
		3475
		3476	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3477	or return;
		3478
		3479	my $value = $cf::RUNTIME + 90 + 10;
		3480	# 10 is the runtime save interval, for a monotonic clock
		3481	# 60 allows for the watchdog to kill the server.
		3482
		3483	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3484	and return;
		3485
		3486	# always fsync - this file is important
		3487	aio_fsync $fh
		3488	and return;
		3489
		3490	# touch it again to show we are up-to-date
		3491	aio_utime $fh, undef, undef;
		3492
		3493	close $fh
		3494	or return;
		3495
		3496	aio_rename "$runtime~", $runtime
		3497	and return;
		3498
		3499	warn "runtime file written.\n";
		3500
2259	}	3501	1
		3502	}
		3503
		3504	our $uuid_lock;
		3505	our $uuid_skip;
		3506
		3507	sub write_uuid_sync($) {
		3508	$uuid_skip ||= $_[0];
		3509
		3510	return if $uuid_lock;
		3511	local $uuid_lock = 1;
		3512
		3513	my $uuid = "$LOCALDIR/uuid";
		3514
		3515	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3516	or return;
		3517
		3518	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3519	$uuid_skip = 0;
		3520
		3521	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3522	and return;
		3523
		3524	# always fsync - this file is important
		3525	aio_fsync $fh
		3526	and return;
		3527
		3528	close $fh
		3529	or return;
		3530
		3531	aio_rename "$uuid~", $uuid
		3532	and return;
		3533
		3534	warn "uuid file written ($value).\n";
		3535
		3536	1
		3537
		3538	}
		3539
		3540	sub write_uuid($$) {
		3541	my ($skip, $sync) = @_;
		3542
		3543	$sync ? write_uuid_sync $skip
		3544	: async { write_uuid_sync $skip };
2260	}	3545	}
2261		3546
2262	sub emergency_save() {	3547	sub emergency_save() {
2263	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2264		3549
…		…
2270	# and maps saved/destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2271	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2272	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2273	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2274	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2275	$pl->save;	3561	$pl->save;
2276	}	3562	}
2277	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2278		3564
2279	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2281	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2282	$map->valid or next;	3568	$map->valid or next;
2283	$map->save;	3569	$map->save;
2284	}	3570	}
2285	warn "end emergency map save\n";	3571	warn "end emergency map save\n";
		3572
		3573	warn "begin emergency database checkpoint\n";
		3574	BDB::db_env_txn_checkpoint $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2286	};	3580	};
2287		3581
2288	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2289	}	3583	}
2290		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2291	sub reload() {	3592	sub do_reload_perl() {
2292	# can/must only be called in main	3593	# can/must only be called in main
2293	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2294	warn "can only reload from main coroutine\n";	3595	warn "can only reload from main coroutine";
2295	return;	3596	return;
2296	}	3597	}
2297		3598
2298	warn "reloading...";	3599	warn "reloading...";
2299		3600
2300	warn "freezing server";	3601	warn "entering sync_job";
2301	my $guard = freeze_mainloop;	3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2302	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2303		3607
2304	warn "sync database to disk";	3608	warn "syncing database to disk";
2305	cf::db_sync;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2306	IO::AIO::flush;
2307		3610
2308	eval {
2309	# if anything goes wrong in here, we should simply crash as we already saved	3611	# if anything goes wrong in here, we should simply crash as we already saved
2310		3612
2311	warn "cancel all watchers";	3613	warn "flushing outstanding aio requests";
2312	for (Event::all_watchers) {	3614	for (;;) {
2313	$_->cancel if $_->data & WF_AUTOCANCEL;	3615	BDB::flush;
		3616	IO::AIO::flush;
		3617	Coro::cede_notself;
		3618	last unless IO::AIO::nreqs || BDB::nreqs;
		3619	warn "iterate...";
2314	}	3620	}
2315		3621
		3622	++$RELOAD;
		3623
2316	warn "cancel all extension coros";	3624	warn "cancelling all extension coros";
2317	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2318	%EXT_CORO = ();	3626	%EXT_CORO = ();
2319		3627
2320	warn "remove commands";	3628	warn "removing commands";
2321	%COMMAND = ();	3629	%COMMAND = ();
2322		3630
2323	warn "remove ext commands";	3631	warn "removing ext/exti commands";
2324	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2325		3634
2326	warn "unload/nuke all extensions";	3635	warn "unloading/nuking all extensions";
2327	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2328	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2329		3638
2330	if (my $cb = $pkg->can ("unload")) {	3639	if (my $cb = $pkg->can ("unload")) {
2331	eval {	3640	eval {
…		…
2336		3645
2337	warn "... nuking $pkg";	3646	warn "... nuking $pkg";
2338	Symbol::delete_package $pkg;	3647	Symbol::delete_package $pkg;
2339	}	3648	}
2340		3649
2341	warn "unload all perl modules loaded from $LIBDIR";	3650	warn "unloading all perl modules loaded from $LIBDIR";
2342	while (my ($k, $v) = each %INC) {	3651	while (my ($k, $v) = each %INC) {
2343	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2344		3653
2345	warn "removing <$k>";	3654	warn "... unloading $k";
2346	delete $INC{$k};	3655	delete $INC{$k};
2347		3656
2348	$k =~ s/\.pm$//;	3657	$k =~ s/\.pm$//;
2349	$k =~ s/\//::/g;	3658	$k =~ s/\//::/g;
2350		3659
…		…
2353	}	3662	}
2354		3663
2355	Symbol::delete_package $k;	3664	Symbol::delete_package $k;
2356	}	3665	}
2357		3666
2358	warn "get rid of safe::, as good as possible";	3667	warn "getting rid of safe::, as good as possible";
2359	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2360	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3669	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2361		3670
2362	warn "unload cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2363	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2364		3674
2365	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2366	# and global variables created in xs	3676	# and global variables created in xs
2367	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2368		3678
		3679	warn "unload completed, starting to reload now";
		3680
2369	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2370	require cf;	3682	require cf;
2371	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2372		3684
2373	warn "load config and database again";	3685	warn "loading config and database again";
2374	cf::cfg_load;	3686	cf::reload_config;
2375	cf::db_load;
2376		3687
2377	warn "load extensions";	3688	warn "loading extensions";
2378	cf::load_extensions;	3689	cf::load_extensions;
2379		3690
2380	warn "reattach attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2381	_global_reattach;	3692	_global_reattach; # objects, sockets
2382	warn "reattach attachments to maps";	3693	warn "reattaching attachments to maps";
2383	reattach $_ for values %MAP;	3694	reattach $_ for values %MAP;
		3695	warn "reattaching attachments to players";
		3696	reattach $_ for values %PLAYER;
		3697
		3698	warn "leaving sync_job";
		3699
		3700	1
		3701	} or do {
		3702	warn $@;
		3703	cf::cleanup "error while reloading, exiting.";
2384	};	3704	};
2385
2386	if ($@) {
2387	warn $@;
2388	warn "error while reloading, exiting.";
2389	exit 1;
2390	}
2391		3705
2392	warn "reloaded";	3706	warn "reloaded";
2393	};	3707	};
2394		3708
2395	our $RELOAD_WATCHER; # used only during reload	3709	our $RELOAD_WATCHER; # used only during reload
2396		3710
		3711	sub reload_perl() {
		3712	# doing reload synchronously and two reloads happen back-to-back,
		3713	# coro crashes during coro_state_free->destroy here.
		3714
		3715	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3716	do_reload_perl;
		3717	undef $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2397	register_command "reload" => sub {	3721	register_command "reload" => sub {
2398	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2399		3723
2400	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2401	$who->message ("reloading server.");	3725	$who->message ("reloading server.");
2402		3726	async {
2403	# doing reload synchronously and two reloads happen back-to-back,	3727	$Coro::current->{desc} = "perl_reload";
2404	# coro crashes during coro_state_free->destroy here.
2405
2406	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2407	reload;	3728	reload_perl;
2408	undef $RELOAD_WATCHER;
2409	});	3729	};
2410	}	3730	}
2411	};	3731	};
2412		3732
2413	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2414		3734
2415	$TICK_WATCHER = Event->timer (	3735	my $bug_warning = 0;
2416	reentrant => 0,
2417	prio => 0,
2418	at => $NEXT_TICK || $TICK,
2419	data => WF_AUTOCANCEL,
2420	cb => sub {
2421	$NOW = Event::time;
2422		3736
		3737	our @WAIT_FOR_TICK;
		3738	our @WAIT_FOR_TICK_BEGIN;
		3739
		3740	sub wait_for_tick {
		3741	return if tick_inhibit || $Coro::current == $Coro::main;
		3742
		3743	my $signal = new Coro::Signal;
		3744	push @WAIT_FOR_TICK, $signal;
		3745	$signal->wait;
		3746	}
		3747
		3748	sub wait_for_tick_begin {
		3749	return if tick_inhibit || $Coro::current == $Coro::main;
		3750
		3751	my $signal = new Coro::Signal;
		3752	push @WAIT_FOR_TICK_BEGIN, $signal;
		3753	$signal->wait;
		3754	}
		3755
		3756	sub tick {
		3757	if ($Coro::current != $Coro::main) {
		3758	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3759	unless ++$bug_warning > 10;
		3760	return;
		3761	}
		3762
2423	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2424	$RUNTIME += $TICK;
2425	$NEXT_TICK += $TICK;
2426		3764
2427	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2428	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2429		3767	Coro::async_pool {
2430	# if we are delayed by four ticks or more, skip them all	3768	$Coro::current->{desc} = "runtime saver";
2431	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2432
2433	$TICK_WATCHER->at ($NEXT_TICK);
2434	$TICK_WATCHER->start;
2435	},
2436	);
2437
2438	IO::AIO::max_poll_time $TICK * 0.2;
2439
2440	$AIO_POLL_WATCHER = Event->io (
2441	fd => IO::AIO::poll_fileno,
2442	poll => 'r',
2443	prio => 5,
2444	data => WF_AUTOCANCEL,
2445	cb => \&IO::AIO::poll_cb,
2446	);
2447
2448	$WRITE_RUNTIME_WATCHER = Event->timer (
2449	data => WF_AUTOCANCEL,
2450	after => 0,
2451	interval => 10,
2452	cb => sub {
2453	(Coro::unblock_sub {
2454	write_runtime	3769	write_runtime_sync
2455	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2456	})->();	3771	};
2457	},	3772	}
2458	);	3773
		3774	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3775	$sig->send;
		3776	}
		3777	while (my $sig = shift @WAIT_FOR_TICK) {
		3778	$sig->send;
		3779	}
		3780
		3781	$LOAD = ($NOW - $TICK_START) / $TICK;
		3782	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3783
		3784	if (0) {
		3785	if ($NEXT_TICK) {
		3786	my $jitter = $TICK_START - $NEXT_TICK;
		3787	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3788	warn "jitter $JITTER\n";#d#
		3789	}
		3790	}
		3791	}
		3792
		3793	{
		3794	# configure BDB
		3795
		3796	BDB::min_parallel 8;
		3797	BDB::max_poll_reqs $TICK * 0.1;
		3798	$AnyEvent::BDB::WATCHER->priority (1);
		3799
		3800	unless ($DB_ENV) {
		3801	$DB_ENV = BDB::db_env_create;
		3802	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		3803	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		3804	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		3805	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3806	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3807
		3808	cf::sync_job {
		3809	eval {
		3810	BDB::db_env_open
		3811	$DB_ENV,
		3812	$BDBDIR,
		3813	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3814	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3815	0666;
		3816
		3817	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3818	};
		3819
		3820	cf::cleanup "db_env_open(db): $@" if $@;
		3821	};
		3822	}
		3823
		3824	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3825	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3826	};
		3827	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3828	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3829	};
		3830	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3831	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3832	};
		3833	}
		3834
		3835	{
		3836	# configure IO::AIO
		3837
		3838	IO::AIO::min_parallel 8;
		3839	IO::AIO::max_poll_time $TICK * 0.1;
		3840	undef $AnyEvent::AIO::WATCHER;
		3841	}
		3842
		3843	my $_log_backtrace;
		3844
		3845	sub _log_backtrace {
		3846	my ($msg, @addr) = @_;
		3847
		3848	$msg =~ s/\n//;
		3849
		3850	# limit the # of concurrent backtraces
		3851	if ($_log_backtrace < 2) {
		3852	++$_log_backtrace;
		3853	async {
		3854	$Coro::current->{desc} = "abt $msg";
		3855
		3856	my @bt = fork_call {
		3857	@addr = map { sprintf "%x", $_ } @addr;
		3858	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3859	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3860	or die "addr2line: $!";
		3861
		3862	my @funcs;
		3863	my @res = <$fh>;
		3864	chomp for @res;
		3865	while (@res) {
		3866	my ($func, $line) = splice @res, 0, 2, ();
		3867	push @funcs, "[$func] $line";
		3868	}
		3869
		3870	@funcs
		3871	};
		3872
		3873	LOG llevInfo, "[ABT] $msg\n";
		3874	LOG llevInfo, "[ABT] $_\n" for @bt;
		3875	--$_log_backtrace;
		3876	};
		3877	} else {
		3878	LOG llevInfo, "[ABT] $msg\n";
		3879	LOG llevInfo, "[ABT] [suppressed]\n";
		3880	}
		3881	}
		3882
		3883	# load additional modules
		3884	use cf::pod;
2459		3885
2460	END { cf::emergency_save }	3886	END { cf::emergency_save }
2461		3887
2462	1	3888	1
2463		3889

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