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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 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 3.3 ();	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;
		86	our $LIBDIR = "$DATADIR/ext";
		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
49	our $NEXT_TICK;	99	our $NEXT_TICK;
50	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;
51		106
52	our %CFG;	107	our %CFG;
53		108
54	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
56		112
57	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		116
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $TICK_START; # for load detecting purposes
		124
68	binmode STDOUT;	125	binmode STDOUT;
69	binmode STDERR;	126	binmode STDERR;
70		127
71	# read virtual server time, if available	128	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
76	}	133	}
77		134
78	mkdir cf::localdir;	135	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		137
84	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
85		141
86	#############################################################################	142	#############################################################################
87		143
88	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
89		145
…		…
96	=item $cf::RUNTIME	152	=item $cf::RUNTIME
97		153
98	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
99	every server tick.	155	every server tick.
100		156
101	=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
102		160
103	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		165
106	=item $cf::NOW	166	=item $cf::NOW
107		167
108	The time of the last (current) server tick.	168	The time of the last (current) server tick.
109		169
110	=item $cf::TICK	170	=item $cf::TICK
111		171
112	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
113		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
114	=item %cf::CFG	184	=item %cf::CFG
115		185
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	187	from wherever your confdir points to.
118		188
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		190
121	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
122	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
123	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.
124	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.
125		200
126	=back	201	=back
127		202
128	=cut	203	=cut
129		204
130	BEGIN {	205	BEGIN {
131	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	207	my $msg = join "", @_;
133	utf8::encode $msg;
134		208
135	$msg .= "\n"	209	$msg .= "\n"
136	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
137		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
138	LOG llevError, $msg;	214	LOG llevError, $msg;
139	};	215	};
140	}	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#?
141		232
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		240
149	# 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
150	# within the Safe compartment.	242	# within the Safe compartment.
151	for my $pkg (qw(	243	for my $pkg (qw(
152	cf::global cf::attachable	244	cf::global cf::attachable
153	cf::object cf::object::player	245	cf::object cf::object::player
154	cf::client cf::player	246	cf::client cf::player
155	cf::arch cf::living	247	cf::arch cf::living
		248	cf::map cf::mapspace
156	cf::map cf::party cf::region	249	cf::party cf::region
157	)) {	250	)) {
158	no strict 'refs';	251	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	252	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	253	}
161		254
162	$Event::DIED = sub {	255	$EV::DIED = sub {
163	warn "error in event callback: @_";	256	warn "error in event callback: @_";
164	};	257	};
		258
		259	#############################################################################
165		260
166	=head2 UTILITY FUNCTIONS	261	=head2 UTILITY FUNCTIONS
167		262
168	=over 4	263	=over 4
169		264
…		…
188	$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;
189	$d	284	$d
190	} || "[unable to dump $_[0]: '$@']";	285	} || "[unable to dump $_[0]: '$@']";
191	}	286	}
192		287
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	288	=item $ref = cf::decode_json $json
196		289
197	Converts a JSON string into the corresponding perl data structure.	290	Converts a JSON string into the corresponding perl data structure.
198		291
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	292	=item $json = cf::encode_json $ref
207		293
208	Converts a perl data structure into its JSON representation.	294	Converts a perl data structure into its JSON representation.
209		295
210	=cut	296	=cut
211		297
212	sub to_json($) {	298	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	299
214	JSON::Syck::Dump $_[0]	300	sub encode_json($) { $json_coder->encode ($_[0]) }
215	}	301	sub decode_json($) { $json_coder->decode ($_[0]) }
216		302
217	=item cf::lock_wait $string	303	=item cf::lock_wait $string
218		304
219	Wait until the given lock is available. See cf::lock_acquire.	305	Wait until the given lock is available. See cf::lock_acquire.
220		306
…		…
223	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
224	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,
225	for example when the coroutine gets canceled), the lock is automatically	311	for example when the coroutine gets canceled), the lock is automatically
226	returned.	312	returned.
227		313
		314	Locks are *not* recursive, locking from the same coro twice results in a
		315	deadlocked coro.
		316
228	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
229	uses map_find and cf::map::load uses map_load).	318	uses map_find and cf::map::load uses map_load).
230		319
		320	=item $locked = cf::lock_active $string
		321
		322	Return true if the lock is currently active, i.e. somebody has locked it.
		323
231	=cut	324	=cut
232		325
233	our %LOCK;	326	our %LOCK;
		327	our %LOCKER;#d#
234		328
235	sub lock_wait($) {	329	sub lock_wait($) {
236	my ($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#
237		336
238	# wait for lock, if any	337	# wait for lock, if any
239	while ($LOCK{$key}) {	338	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	339	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	340	Coro::schedule;
…		…
247		346
248	# wait, to be sure we are not locked	347	# wait, to be sure we are not locked
249	lock_wait $key;	348	lock_wait $key;
250		349
251	$LOCK{$key} = [];	350	$LOCK{$key} = [];
		351	$LOCKER{$key} = $Coro::current;#d#
252		352
253	Coro::guard {	353	Coro::guard {
		354	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	355	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	356	$_->ready for @{ delete $LOCK{$key} };
256	}	357	}
257	}	358	}
258		359
		360	sub lock_active($) {
		361	my ($key) = @_;
		362
		363	! ! $LOCK{$key}
		364	}
		365
259	sub freeze_mainloop {	366	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	367	tick_inhibit_inc;
261		368
262	my $guard = Coro::guard { $TICK_WATCHER->start };	369	Coro::guard \&tick_inhibit_dec;
263	$TICK_WATCHER->stop;	370	}
264	$guard	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($$) {
		380	my ($interval, $cb) = @_;
		381
		382	my $start = rand List::Util::min 180, $interval;
		383
		384	EV::periodic $start, $interval, 0, $cb
		385	}
		386
		387	=item cf::get_slot $time[, $priority[, $name]]
		388
		389	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		390	This call blocks and returns only when you have at least C<$time> seconds
		391	of cpu time till the next tick. The slot is only valid till the next cede.
		392
		393	The optional C<$name> can be used to identify the job to run. It might be
		394	used for statistical purposes and should identify the same time-class.
		395
		396	Useful for short background jobs.
		397
		398	=cut
		399
		400	our @SLOT_QUEUE;
		401	our $SLOT_QUEUE;
		402
		403	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		404	$SLOT_QUEUE = Coro::async {
		405	$Coro::current->desc ("timeslot manager");
		406
		407	my $signal = new Coro::Signal;
		408
		409	while () {
		410	next_job:
		411	my $avail = cf::till_tick;
		412	if ($avail > 0.01) {
		413	for (0 .. $#SLOT_QUEUE) {
		414	if ($SLOT_QUEUE[$_][0] < $avail) {
		415	my $job = splice @SLOT_QUEUE, $_, 1, ();
		416	$job->[2]->send;
		417	Coro::cede;
		418	goto next_job;
		419	}
		420	}
		421	}
		422
		423	if (@SLOT_QUEUE) {
		424	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		425	push @cf::WAIT_FOR_TICK, $signal;
		426	$signal->wait;
		427	} else {
		428	Coro::schedule;
		429	}
		430	}
		431	};
		432
		433	sub get_slot($;$$) {
		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	$sig->wait;
265	}	445	}
266		446
267	=item cf::async { BLOCK }	447	=item cf::async { BLOCK }
268		448
269	Currently the same as Coro::async_pool, meaning you cannot use	449	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		454
275	BEGIN { *async = \&Coro::async_pool }	455	BEGIN { *async = \&Coro::async_pool }
276		456
277	=item cf::sync_job { BLOCK }	457	=item cf::sync_job { BLOCK }
278		458
279	The design of crossfire+ requires that the main coro ($Coro::main) is	459	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	460	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	461	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		462	acceptable.
282		463
283	If it must be done, put the blocking parts into C<sync_job>. This will run	464	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	465	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	466	server will be frozen during this time, so the block should either finish
286	fast or be very important.	467	fast or be very important.
…		…
289		470
290	sub sync_job(&) {	471	sub sync_job(&) {
291	my ($job) = @_;	472	my ($job) = @_;
292		473
293	if ($Coro::current == $Coro::main) {	474	if ($Coro::current == $Coro::main) {
		475	my $time = EV::time;
		476
294	# this is the main coro, too bad, we have to block	477	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	478	# till the operation succeeds, freezing the server :/
296		479
297	# TODO: use suspend/resume instead	480	LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	481
299	my $freeze_guard = freeze_mainloop;	482	my $freeze_guard = freeze_mainloop;
300		483
301	my $busy = 1;	484	my $busy = 1;
302	my @res;	485	my @res;
303		486
304	(async {	487	(async {
		488	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	489	@res = eval { $job->() };
306	warn $@ if $@;	490	warn $@ if $@;
307	undef $busy;	491	undef $busy;
308	})->prio (Coro::PRIO_MAX);	492	})->prio (Coro::PRIO_MAX);
309		493
310	while ($busy) {	494	while ($busy) {
311	Coro::cede or Event::one_event;	495	if (Coro::nready) {
		496	Coro::cede_notself;
		497	} else {
		498	EV::loop EV::LOOP_ONESHOT;
312	}	499	}
		500	}
		501
		502	my $time = EV::time - $time;
		503
		504	$TICK_START += $time; # do not account sync jobs to server load
313		505
314	wantarray ? @res : $res[0]	506	wantarray ? @res : $res[0]
315	} else {	507	} else {
316	# we are in another coroutine, how wonderful, everything just works	508	# we are in another coroutine, how wonderful, everything just works
317		509
…		…
337	$EXT_CORO{$coro+0} = $coro;	529	$EXT_CORO{$coro+0} = $coro;
338		530
339	$coro	531	$coro
340	}	532	}
341		533
342	sub write_runtime {	534	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		535
345	my $runtime = cf::localdir . "/runtime";	536	Executes the given code block with the given arguments in a seperate
		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.
346		540
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	541	=cut
348	or return;
349		542
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	543	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	544	my ($cb, @args) = @_;
352	and return;
353		545
354	aio_fsync $fh	546	# we seemingly have to make a local copy of the whole thing,
355	and return;	547	# otherwise perl prematurely frees the stuff :/
		548	# TODO: investigate and fix (likely this will be rather laborious)
356		549
357	close $fh	550	my @res = Coro::Util::fork_eval {
358	or return;	551	reset_signals;
		552	&$cb
		553	}, @args;
359		554
360	aio_rename "$runtime~", $runtime	555	wantarray ? @res : $res[-1]
361	and return;	556	}
362		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($$) {
		627	my $key = "$_[0]/$_[1]";
		628
		629	cf::sync_job {
		630	BDB::db_get $DB, undef, $key, my $data;
		631
		632	$! ? ()
		633	: $data
363	1	634	}
		635	}
		636
		637	sub db_put($$$) {
		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 });
364	}	721	}
365		722
366	=back	723	=back
367		724
368	=cut	725	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	733	to it. All such attachable objects support the following methods.
377		734
378	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>
379	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
380	crossfire+).	737	Deliantra).
381		738
382	=over 4	739	=over 4
383		740
384	=item $attachable->attach ($attachment, key => $value...)	741	=item $attachable->attach ($attachment, key => $value...)
385		742
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	856	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	857	our @CB_MAP = ();
501		858
502	my %attachment;	859	my %attachment;
503		860
		861	sub cf::attachable::thawer_merge {
		862	# simply override everything except _meta
		863	local $_[0]{_meta};
		864	%{$_[0]} = %{$_[1]};
		865	}
		866
504	sub _attach_cb($$$$) {	867	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	868	my ($registry, $event, $prio, $cb) = @_;
506		869
507	use sort 'stable';	870	use sort 'stable';
508		871
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	905	$registry = $CB_TYPE[$object_type] ||= [];
543		906
544	} elsif ($type eq "subtype") {	907	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	908	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	909	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	910	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		911
549	} elsif ($type eq "package") {	912	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	913	my $pkg = shift @arg;
551		914
552	while (my ($name, $id) = each %cb_id) {	915	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	944	_attach $registry, $klass, @attach;
582	}	945	}
583		946
584	$obj->{$name} = \%arg;	947	$obj->{$name} = \%arg;
585	} else {	948	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	949	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	950	}
588		951
589	$obj->{_attachment}{$name} = undef;	952	$obj->{_attachment}{$name} = undef;
590	}	953	}
591		954
…		…
593	if (ref $_[0]) {	956	if (ref $_[0]) {
594	_object_attach @_;	957	_object_attach @_;
595	} else {	958	} else {
596	_attach shift->_attach_registry, @_;	959	_attach shift->_attach_registry, @_;
597	}	960	}
		961	_recalc_want;
598	};	962	};
599		963
600	# all those should be optimised	964	# all those should be optimised
601	sub cf::attachable::detach {	965	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	966	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	969	delete $obj->{_attachment}{$name};
606	reattach ($obj);	970	reattach ($obj);
607	} else {	971	} else {
608	Carp::croak "cannot, currently, detach class attachments";	972	Carp::croak "cannot, currently, detach class attachments";
609	}	973	}
		974	_recalc_want;
610	};	975	};
611		976
612	sub cf::attachable::attached {	977	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	978	my ($obj, $name) = @_;
614		979
…		…
629	";	994	";
630	die if $@;	995	die if $@;
631	}	996	}
632		997
633	our $override;	998	our $override;
634	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?
635		1000
636	sub override {	1001	sub override {
637	$override = 1;	1002	$override = 1;
638	@invoke_results = ();	1003	@INVOKE_RESULTS = (@_);
639	}	1004	}
640		1005
641	sub do_invoke {	1006	sub do_invoke {
642	my $event = shift;	1007	my $event = shift;
643	my $callbacks = shift;	1008	my $callbacks = shift;
644		1009
645	@invoke_results = ();	1010	@INVOKE_RESULTS = ();
646		1011
647	local $override;	1012	local $override;
648		1013
649	for (@$callbacks) {	1014	for (@$callbacks) {
650	eval { &{$_->[1]} };	1015	eval { &{$_->[1]} };
…		…
659	}	1024	}
660		1025
661	0	1026	0
662	}	1027	}
663		1028
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1029	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1030
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1031	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1032
668	Generate an object-specific event with the given arguments.	1033	Generate an object-specific event with the given arguments.
669		1034
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	1037	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1038
674	=back	1039	=back
675		1040
676	=cut	1041	=cut
677		1042
678	#############################################################################	1043	#############################################################################
679	# 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	}
680		1087
681	sub reattach {	1088	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1089	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1090	my ($obj) = @_;
		1091
		1092	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1093
685	my $registry = $obj->registry;	1094	my $registry = $obj->registry;
686		1095
687	@$registry = ();	1096	@$registry = ();
688		1097
…		…
703	cf::attachable->attach (	1112	cf::attachable->attach (
704	prio => -1000000,	1113	prio => -1000000,
705	on_instantiate => sub {	1114	on_instantiate => sub {
706	my ($obj, $data) = @_;	1115	my ($obj, $data) = @_;
707		1116
708	$data = from_json $data;	1117	$data = decode_json $data;
709		1118
710	for (@$data) {	1119	for (@$data) {
711	my ($name, $args) = @$_;	1120	my ($name, $args) = @$_;
712		1121
713	$obj->attach ($name, %{$args || {} });	1122	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1138	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1139	my ($filename, $rdata, $objs) = @_;
731		1140
732	sync_job {	1141	sync_job {
733	if (length $$rdata) {	1142	if (length $$rdata) {
		1143	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1144	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1145	$decname, length $$rdata, scalar @$objs;
736		1146
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1147	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1148	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1149	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1150	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1151	aio_close $fh;
742		1152
743	if (@$objs) {	1153	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1155	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1156	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1157	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1158	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1159	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1160	aio_rename "$filename.pst~", "$filename.pst";
751	}	1161	}
752	} else {	1162	} else {
753	aio_unlink "$filename.pst";	1163	aio_unlink "$filename.pst";
754	}	1164	}
…		…
759	}	1169	}
760	} else {	1170	} else {
761	aio_unlink $filename;	1171	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1172	aio_unlink "$filename.pst";
763	}	1173	}
764	}	1174	};
765	}	1175	}
766		1176
767	sub object_freezer_as_string {	1177	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1178	my ($rdata, $objs) = @_;
769		1179
…		…
781	or return;	1191	or return;
782		1192
783	unless (aio_stat "$filename.pst") {	1193	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1194	(aio_load "$filename.pst", $av) >= 0
785	or return;	1195	or return;
		1196
786	$av = eval { (Storable::thaw $av)->{objs} };	1197	my $st = eval { Coro::Storable::thaw $av };
		1198	$av = $st->{objs};
787	}	1199	}
788		1200
		1201	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1202	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1203	$decname, length $data, scalar @{$av || []};
		1204
791	return ($data, $av);	1205	($data, $av)
792	}	1206	}
		1207
		1208	=head2 COMMAND CALLBACKS
		1209
		1210	=over 4
		1211
		1212	=cut
793		1213
794	#############################################################################	1214	#############################################################################
795	# command handling &c	1215	# command handling &c
796		1216
797	=item cf::register_command $name => \&callback($ob,$args);	1217	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1230	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1231	}
812		1232
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1233	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1234
815	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.
816		1240
817	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
818	called.	1242	called.
819		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
820	=cut	1255	=cut
821		1256
822	sub register_extcmd {	1257	sub register_extcmd {
823	my ($name, $cb) = @_;	1258	my ($name, $cb) = @_;
824		1259
825	$EXTCMD{$name} = $cb;	1260	$EXTCMD{$name} = $cb;
		1261	}
		1262
		1263	sub register_exticmd {
		1264	my ($name, $cb) = @_;
		1265
		1266	$EXTICMD{$name} = $cb;
826	}	1267	}
827		1268
828	cf::player->attach (	1269	cf::player->attach (
829	on_command => sub {	1270	on_command => sub {
830	my ($pl, $name, $params) = @_;	1271	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1280	cf::override;
840	},	1281	},
841	on_extcmd => sub {	1282	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1283	my ($pl, $buf) = @_;
843		1284
844	my $msg = eval { from_json $buf };	1285	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1286
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1295	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1296	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1297	}
		1298
		1299	$pl->ext_reply ($reply, @reply)
		1300	if $reply;
		1301
852	} else {	1302	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1303	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1304	}
855		1305
856	cf::override;	1306	cf::override;
857	},	1307	},
858	);	1308	);
859		1309
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1310	sub load_extensions {
		1311	cf::sync_job {
		1312	my %todo;
		1313
895	for my $ext (<$LIBDIR/*.ext>) {	1314	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1315	next unless -r $path;
897	eval {	1316
898	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;
899	1	1373	}
900	} or warn "$ext not loaded: $@";	1374
		1375	skip:
		1376	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1377	unless $progress;
		1378	}
901	}	1379	};
902	}	1380	}
903		1381
904	#############################################################################	1382	#############################################################################
905	# load/save/clean perl data associated with a map
906		1383
907	*cf::mapsupport::on_clean = sub {	1384	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1385
920	=head2 CORE EXTENSIONS	1386	=head2 CORE EXTENSIONS
921		1387
922	Functions and methods that extend core crossfire objects.	1388	Functions and methods that extend core crossfire objects.
923		1389
…		…
929		1395
930	=head3 cf::player	1396	=head3 cf::player
931		1397
932	=over 4	1398	=over 4
933		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
934	=item cf::player::find $login	1414	=item cf::player::find $login
935		1415
936	Returns the given player object, loading it if necessary (might block).	1416	Returns the given player object, loading it if necessary (might block).
937		1417
938	=cut	1418	=cut
939		1419
940	sub playerdir($) {	1420	sub playerdir($) {
941	cf::localdir	1421	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1422	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1423	}
947		1424
948	sub path($) {	1425	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1426	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1427
951	(playerdir $login) . "/$login.pl"	1428	(playerdir $login) . "/playerdata"
952	}	1429	}
953		1430
954	sub find_active($) {	1431	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1432	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1433	and $cf::PLAYER{$_[0]}->active
…		…
959		1436
960	sub exists($) {	1437	sub exists($) {
961	my ($login) = @_;	1438	my ($login) = @_;
962		1439
963	$cf::PLAYER{$login}	1440	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1441	or cf::sync_job { !aio_stat path $login }
965	}	1442	}
966		1443
967	sub find($) {	1444	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1445	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1446	my $login = $_[0];
970		1447
971	my $guard = cf::lock_acquire "user_find:$login";	1448	my $guard = cf::lock_acquire "user_find:$login";
972		1449
973	$cf::PLAYER{$_[0]} || do {	1450	$cf::PLAYER{$_[0]} || do {
974	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
975	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;
976	$cf::PLAYER{$login} = $pl	1466	$cf::PLAYER{$login} = $pl
977	}	1467	}
978	}	1468	}
979	}	1469	}
980		1470
…		…
989	return if $pl->{deny_save};	1479	return if $pl->{deny_save};
990		1480
991	aio_mkdir playerdir $pl, 0770;	1481	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1482	$pl->{last_save} = $cf::RUNTIME;
993		1483
		1484	cf::get_slot 0.01;
		1485
994	$pl->save_pl ($path);	1486	$pl->save_pl ($path);
995	Coro::cede;	1487	cf::cede_to_tick;
996	}	1488	}
997		1489
998	sub new($) {	1490	sub new($) {
999	my ($login) = @_;	1491	my ($login) = @_;
1000		1492
…		…
1006	$cf::PLAYER{$login} = $self;	1498	$cf::PLAYER{$login} = $self;
1007		1499
1008	$self	1500	$self
1009	}	1501	}
1010		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
1011	=item $pl->quit_character	1513	=item $pl->quit_character
1012		1514
1013	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
1014	be destroyed. May block for a long time.	1516	be destroyed. May block for a long time.
1015		1517
1016	=cut	1518	=cut
1017		1519
1018	sub quit_character {	1520	sub quit_character {
1019	my ($pl) = @_;	1521	my ($pl) = @_;
1020		1522
		1523	my $name = $pl->ob->name;
		1524
1021	$pl->{deny_save} = 1;	1525	$pl->{deny_save} = 1;
1022	$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
1023		1527
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1528	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1529	$pl->deactivate;
		1530	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1531	$pl->ob->check_score;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1532	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1533	$pl->ns->destroy if $pl->ns;
1028		1534
1029	my $path = playerdir $pl;	1535	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1536	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1537	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1538	delete $cf::PLAYER{$pl->ob->name};
1033	$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
1034	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;
1035	}	1561	}
1036		1562
1037	=item cf::player::list_logins	1563	=item cf::player::list_logins
1038		1564
1039	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
1040	while and may block, so not sync_job-capable, ever.	1566	while and may block, so not sync_job-capable, ever.
1041		1567
1042	=cut	1568	=cut
1043		1569
1044	sub list_logins {	1570	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1571	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1572	or return [];
1047		1573
1048	my @logins;	1574	my @logins;
1049		1575
1050	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") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1582	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1583	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1584	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1585	}
1054		1586
1055	utf8::decode $login;	1587	utf8::decode $login;
1056	push @logins, $login;	1588	push @logins, $login;
1057	}	1589	}
1058		1590
…		…
1066		1598
1067	=cut	1599	=cut
1068		1600
1069	sub maps($) {	1601	sub maps($) {
1070	my ($pl) = @_;	1602	my ($pl) = @_;
		1603
		1604	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1605
1072	my $files = aio_readdir playerdir $pl	1606	my $files = aio_readdir playerdir $pl
1073	or return;	1607	or return;
1074		1608
1075	my @paths;	1609	my @paths;
…		…
1077	for (@$files) {	1611	for (@$files) {
1078	utf8::decode $_;	1612	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1613	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1614	next unless /^$PATH_SEP/o;
1081		1615
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1616	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1617	}
1084		1618
1085	\@paths	1619	\@paths
1086	}	1620	}
1087		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
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1715	=item $player->ext_reply ($msgid, @msg)
1089		1716
1090	Sends an ext reply to the player.	1717	Sends an ext reply to the player.
1091		1718
1092	=cut	1719	=cut
1093		1720
1094	sub ext_reply($$$%) {	1721	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1722	my ($self, $id, @msg) = @_;
1096		1723
1097	$msg{msgid} = $id;	1724	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1725	}
1101		1726
1102	package cf;	1727	=item $player->ext_msg ($type, @msg)
		1728
		1729	Sends an ext event to the client.
		1730
		1731	=cut
		1732
		1733	sub ext_msg($$@) {
		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	}
1103		1767
1104	=back	1768	=back
1105
1106		1769
1107	=head3 cf::map	1770	=head3 cf::map
1108		1771
1109	=over 4	1772	=over 4
1110		1773
…		…
1114		1777
1115	use Fcntl;	1778	use Fcntl;
1116	use Coro::AIO;	1779	use Coro::AIO;
1117		1780
1118	use overload	1781	use overload
1119	'""' => \&as_string;	1782	'""' => \&as_string,
		1783	fallback => 1;
1120		1784
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
1126		1792
1127	# mit "rum" bekleckern, nicht	1793	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1794	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1795	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1796	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1804	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1805	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1806	)
1141	}	1807	}
1142		1808
		1809	=item cf::map->register ($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
1143	sub register {	1817	sub register {
1144	my (undef, $regex) = @_;	1818	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1819	my $pkg = caller;
1146		1820
1147	no strict;	1821	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1822	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1823
1150	$EXT_MAP{$pkg} = qr<$regex>;	1824	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1825	}
1152		1826
1153	# also paths starting with '/'	1827	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1828	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1829
		1830	sub thawer_merge {
		1831	my ($self, $merge) = @_;
		1832
		1833	# we have to keep some variables in memory intact
		1834	local $self->{path};
		1835	local $self->{load_path};
		1836
		1837	$self->SUPER::thawer_merge ($merge);
		1838	}
1155		1839
1156	sub normalise {	1840	sub normalise {
1157	my ($path, $base) = @_;	1841	my ($path, $base) = @_;
		1842
		1843	$path = "$path"; # make sure its a string
		1844
		1845	$path =~ s/\.map$//;
1158		1846
1159	# map plan:	1847	# map plan:
1160	#	1848	#
1161	# /! non-realised random map exit (special hack!)	1849	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1850	# {... are special paths that are not being touched
…		…
1190		1878
1191	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
1192		1880
1193	$path = normalise $path, $base;	1881	$path = normalise $path, $base;
1194		1882
1195	for my $pkg (keys %EXT_MAP) {	1883	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1884	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1885	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1886	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1887	$self->init; # pass $1 etc.
1200	return $self;	1888	return $self;
1201	}	1889	}
1202	}	1890	}
1203		1891
1204	Carp::carp "unable to resolve path '$path'.";	1892	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1893	()
1206	}	1894	}
1207		1895
1208	sub init {	1896	sub init {
1209	my ($self) = @_;	1897	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1908	# the displayed name, this is a one way mapping
1221	sub visible_name {	1909	sub visible_name {
1222	&as_string	1910	&as_string
1223	}	1911	}
1224		1912
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1913	# the original (read-only) location
1233	sub load_path {	1914	sub load_path {
1234	my ($self) = @_;	1915	my ($self) = @_;
1235		1916
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1917	"$MAPDIR/$self->{path}.map"
1237	}	1918	}
1238		1919
1239	# the temporary/swap location	1920	# the temporary/swap location
1240	sub save_path {	1921	sub save_path {
1241	my ($self) = @_;	1922	my ($self) = @_;
1242		1923
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1924	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1925	"$TMPDIR/$path.map"
1244	}	1926	}
1245		1927
1246	# the unique path, undef == no special unique path	1928	# the unique path, undef == no special unique path
1247	sub uniq_path {	1929	sub uniq_path {
1248	my ($self) = @_;	1930	my ($self) = @_;
1249		1931
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1932	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1933	"$UNIQUEDIR/$path"
1251	}	1934	}
1252		1935
1253	# and all this just because we cannot iterate over	1936	# and all this just because we cannot iterate over
1254	# all maps in C++...	1937	# all maps in C++...
1255	sub change_all_map_light {	1938	sub change_all_map_light {
…		…
1257		1940
1258	$_->change_map_light ($change)	1941	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1942	for grep $_->outdoor, values %cf::MAP;
1260	}	1943	}
1261		1944
		1945	sub decay_objects {
		1946	my ($self) = @_;
		1947
		1948	return if $self->{deny_reset};
		1949
		1950	$self->do_decay_objects;
		1951	}
		1952
1262	sub unlink_save {	1953	sub unlink_save {
1263	my ($self) = @_;	1954	my ($self) = @_;
1264		1955
1265	utf8::encode (my $save = $self->save_path);	1956	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1958	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1959	}
1269		1960
1270	sub load_header_from($) {	1961	sub load_header_from($) {
1271	my ($self, $path) = @_;	1962	my ($self, $path) = @_;
1272		1963
1273	utf8::encode $path;	1964	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1965	my $f = new_from_file cf::object::thawer $path
1275	or return;	1966	or return;
1276		1967
1277	$self->_load_header ($path)	1968	$self->_load_header ($f)
1278	or return;	1969	or return;
1279		1970
		1971	local $MAP_LOADING{$self->{path}} = $self;
		1972	$f->resolve_delayed_derefs;
		1973
1280	$self->{load_path} = $path;	1974	$self->{load_path} = $path;
1281		1975
1282	1	1976	1
1283	}	1977	}
1284		1978
1285	sub load_orig {	1979	sub load_header_orig {
1286	my ($self) = @_;	1980	my ($self) = @_;
1287		1981
1288	$self->load_header_from ($self->load_path)	1982	$self->load_header_from ($self->load_path)
1289	}	1983	}
1290		1984
1291	sub load_temp {	1985	sub load_header_temp {
1292	my ($self) = @_;	1986	my ($self) = @_;
1293		1987
1294	$self->load_header_from ($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	$self->instantiate;
1295	}	2008	}
1296		2009
1297	sub load_header {	2010	sub load_header {
1298	my ($self) = @_;	2011	my ($self) = @_;
1299		2012
1300	if ($self->load_temp) {	2013	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2014	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2015	} else {
1307	$self->load_orig	2016	$self->load_header_orig
1308	or return;	2017	or return;
1309		2018	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	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 $self->default_region;
1315		2026
1316	1	2027	1
1317	}	2028	}
1318		2029
1319	sub find;	2030	sub find;
1320	sub find {	2031	sub find {
1321	my ($path, $origin) = @_;	2032	my ($path, $origin) = @_;
1322		2033
1323	$path = normalise $path, $origin && $origin->path;	2034	$path = normalise $path, $origin && $origin->path;
1324		2035
		2036	cf::lock_wait "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2037	cf::lock_wait "map_find:$path";
1326		2038
1327	$cf::MAP{$path} || do {	2039	$cf::MAP{$path} || do {
		2040	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1328	my $guard = cf::lock_acquire "map_find:$path";	2041	my $guard2 = cf::lock_acquire "map_find:$path";
		2042
1329	my $map = new_from_path cf::map $path	2043	my $map = new_from_path cf::map $path
1330	or return;	2044	or return;
1331		2045
1332	$map->{last_save} = $cf::RUNTIME;	2046	$map->{last_save} = $cf::RUNTIME;
1333		2047
1334	$map->load_header	2048	$map->load_header
1335	or return;	2049	or return;
1336		2050
1337	if ($map->should_reset) {	2051	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2052	# doing this can freeze the server in a sync job, obviously
		2053	#$cf::WAIT_FOR_TICK->wait;
		2054	undef $guard2;
		2055	undef $guard1;
1338	$map->reset;	2056	$map->reset;
1339	undef $guard;
1340	$map = find $path	2057	return find $path;
1341	or return;
1342	}	2058	}
1343		2059
1344	$cf::MAP{$path} = $map	2060	$cf::MAP{$path} = $map
1345	}	2061	}
1346	}	2062	}
		2063
		2064	sub pre_load { }
		2065	sub post_load { }
1347		2066
1348	sub load {	2067	sub load {
1349	my ($self) = @_;	2068	my ($self) = @_;
1350		2069
		2070	local $self->{deny_reset} = 1; # loading can take a long time
		2071
1351	my $path = $self->{path};	2072	my $path = $self->{path};
		2073
		2074	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2075	my $guard = cf::lock_acquire "map_data:$path";
1353		2076
		2077	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2078	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2079
1356	$self->in_memory (cf::MAP_LOADING);	2080	$self->in_memory (cf::MAP_LOADING);
1357		2081
1358	$self->alloc;	2082	$self->alloc;
1359	$self->_load_objects ($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)
1360	or return;	2090	or return;
1361		2091
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2092	$self->post_load_original
1363	if delete $self->{load_original};	2093	if delete $self->{load_original};
1364		2094
1365	if (my $uniq = $self->uniq_path) {	2095	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2096	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2097	unless (aio_stat $uniq) {
		2098	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2099	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2100	$self->_load_objects ($f);
		2101	$f->resolve_delayed_derefs;
		2102	}
1370	}	2103	}
1371	}	2104	}
1372		2105
1373	Coro::cede;	2106	$f->resolve_delayed_derefs;
1374		2107
		2108	cf::cede_to_tick;
1375	# now do the right thing for maps	2109	# now do the right thing for maps
1376	$self->link_multipart_objects;	2110	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2111	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2112	unless $self->difficulty;
1386	Coro::cede;	2113	cf::cede_to_tick;
		2114
		2115	unless ($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;
1387	$self->activate;	2122	$self->activate;
1388	}	2123	}
1389		2124
		2125	$self->{last_save} = $cf::RUNTIME;
		2126	$self->last_access ($cf::RUNTIME);
		2127
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2128	$self->in_memory (cf::MAP_ACTIVE);
		2129	}
		2130
		2131	$self->post_load;
1391	}	2132	}
1392		2133
1393	sub customise_for {	2134	sub customise_for {
1394	my ($self, $ob) = @_;	2135	my ($self, $ob) = @_;
1395		2136
1396	return find "~" . $ob->name . "/" . $self->{path}	2137	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2138	if $self->per_player;
1398		2139
		2140	# return find "?party/" . $ob->name . "/" . $self->{path}
		2141	# if $self->per_party;
		2142
1399	$self	2143	$self
1400	}	2144	}
1401		2145
1402	# find and load all maps in the 3x3 area around a map	2146	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2147	sub load_neighbours {
1404	my ($map) = @_;	2148	my ($map) = @_;
1405		2149
1406	my @diag; # diagonal neighbours	2150	my @neigh; # diagonal neighbours
1407		2151
1408	for (0 .. 3) {	2152	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2153	my $neigh = $map->tile_path ($_)
1410	or next;	2154	or next;
1411	$neigh = find $neigh, $map	2155	$neigh = find $neigh, $map
1412	or next;	2156	or next;
1413	$neigh->load;	2157	$neigh->load;
1414		2158
		2159	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2160	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2161	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2162	}
1418		2163
1419	for (@diag) {	2164	for (grep defined $_->[0], @neigh) {
		2165	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2166	my $neigh = find $path, $origin
1421	or next;	2167	or next;
1422	$neigh->load;	2168	$neigh->load;
1423	}	2169	}
1424	}	2170	}
1425		2171
…		…
1430	}	2176	}
1431		2177
1432	sub do_load_sync {	2178	sub do_load_sync {
1433	my ($map) = @_;	2179	my ($map) = @_;
1434		2180
		2181	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2182	if $Coro::current == $Coro::main;
		2183
1435	cf::sync_job { $map->load };	2184	cf::sync_job { $map->load };
1436	}	2185	}
1437		2186
1438	our %MAP_PREFETCH;	2187	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2188	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2189
1452	sub find_async {	2190	sub find_async {
1453	my ($path, $origin) = @_;	2191	my ($path, $origin, $load) = @_;
1454		2192
1455	$path = normalise $path, $origin && $origin->{path};	2193	$path = normalise $path, $origin && $origin->{path};
1456		2194
1457	if (my $map = $cf::MAP{$path}) {	2195	if (my $map = $cf::MAP{$path}) {
1458	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;
1459	}	2214	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2215	$MAP_PREFETCHER->prio (6);
1463		2216
1464	()	2217	()
1465	}	2218	}
1466		2219
1467	sub save {	2220	sub save {
1468	my ($self) = @_;	2221	my ($self) = @_;
1469		2222
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;	2223	my $lock = cf::lock_acquire "map_data:$self->{path}";
1471		2224
1472	$self->{last_save} = $cf::RUNTIME;	2225	$self->{last_save} = $cf::RUNTIME;
1473		2226
1474	return unless $self->dirty;	2227	return unless $self->dirty;
1475		2228
…		…
1481	return if $self->{deny_save};	2234	return if $self->{deny_save};
1482		2235
1483	local $self->{last_access} = $self->last_access;#d#	2236	local $self->{last_access} = $self->last_access;#d#
1484		2237
1485	cf::async {	2238	cf::async {
		2239	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2240	$_->contr->save for $self->players;
1487	};	2241	};
		2242
		2243	cf::get_slot 0.02;
1488		2244
1489	if ($uniq) {	2245	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2246	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2247	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2248	} else {
…		…
1498	my ($self) = @_;	2254	my ($self) = @_;
1499		2255
1500	# save first because save cedes	2256	# save first because save cedes
1501	$self->save;	2257	$self->save;
1502		2258
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2259	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2260
1505	return if $self->players;	2261	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;	2262	return if $self->in_memory != cf::MAP_ACTIVE;
1507	return if $self->{deny_save};	2263	return if $self->{deny_save};
1508		2264
		2265	$self->in_memory (cf::MAP_SWAPPED);
		2266
		2267	$self->deactivate;
		2268	$_->clear_links_to ($self) for values %cf::MAP;
1509	$self->clear;	2269	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2270	}
1512		2271
1513	sub reset_at {	2272	sub reset_at {
1514	my ($self) = @_;	2273	my ($self) = @_;
1515		2274
1516	# TODO: safety, remove and allow resettable per-player maps	2275	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2276	return 1e99 if $self->{deny_reset};
1519		2277
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2278	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2279	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2280
…		…
1527	my ($self) = @_;	2285	my ($self) = @_;
1528		2286
1529	$self->reset_at <= $cf::RUNTIME	2287	$self->reset_at <= $cf::RUNTIME
1530	}	2288	}
1531		2289
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2290	sub reset {
1547	my ($self) = @_;	2291	my ($self) = @_;
1548		2292
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2293	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2294
1551	return if $self->players;	2295	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2296
1554	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	}
1555		2308
1556	delete $cf::MAP{$self->path};	2309	delete $cf::MAP{$self->path};
1557		2310
		2311	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2312	$_->clear_links_to ($self) for values %cf::MAP;
		2313	$self->clear;
1559		2314
1560	$self->unlink_save;	2315	$self->unlink_save;
1561	$self->destroy;	2316	$self->destroy;
1562	}	2317	}
1563		2318
1564	my $nuke_counter = "aaaa";	2319	my $nuke_counter = "aaaa";
1565		2320
1566	sub nuke {	2321	sub nuke {
1567	my ($self) = @_;	2322	my ($self) = @_;
1568		2323
		2324	{
		2325	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2326
		2327	delete $cf::MAP{$self->path};
		2328
		2329	$self->unlink_save;
		2330
		2331	bless $self, "cf::map";
		2332	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2333	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2334	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2335	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2336
		2337	$cf::MAP{$self->path} = $self;
		2338	}
		2339
1572	$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	]
1573	}	2377	}
1574		2378
1575	=item cf::map::unique_maps	2379	=item cf::map::unique_maps
1576		2380
1577	Returns an arrayref of paths of all shared maps that have	2381	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2382	instantiated unique items. May block.
1579		2383
1580	=cut	2384	=cut
1581		2385
1582	sub unique_maps() {	2386	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2387	[
1584	or return;	2388	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2389	utf8::decode $_;
1590	next if /\.pst$/;	2390	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2391	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2392	? ()
1593	push @paths, $_;	2393	: normalise $_
		2394	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2395	]
1595
1596	\@paths
1597	}	2396	}
1598
1599	package cf;
1600		2397
1601	=back	2398	=back
1602		2399
1603	=head3 cf::object	2400	=head3 cf::object
1604		2401
…		…
1608		2405
1609	=over 4	2406	=over 4
1610		2407
1611	=item $ob->inv_recursive	2408	=item $ob->inv_recursive
1612		2409
1613	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.
1614		2412
1615	=cut	2413	=cut
1616		2414
1617	sub inv_recursive_;	2415	sub inv_recursive_;
1618	sub inv_recursive_ {	2416	sub inv_recursive_ {
…		…
1621		2419
1622	sub inv_recursive {	2420	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2421	inv_recursive_ inv $_[0]
1624	}	2422	}
1625		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
1626	package cf;	2452	package cf;
1627		2453
1628	=back	2454	=back
1629		2455
1630	=head3 cf::object::player	2456	=head3 cf::object::player
…		…
1636	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>
1637	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
1638	dialogue with the given NPC character.	2464	dialogue with the given NPC character.
1639		2465
1640	=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	};
1641		2481
1642	# rough implementation of a future "reply" method that works	2482	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2483	# with dialog boxes.
1644	#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
1645	sub cf::object::player::reply($$$;$) {	2485	sub cf::object::player::reply($$$;$) {
…		…
1647		2487
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2488	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2489
1650	if ($self->{record_replies}) {	2490	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2491	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2492
1652	} 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 {
1653	$msg = $npc->name . " says: $msg" if $npc;	2501	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2502	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2503	}
1655	}	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 (@_);
1656	}	2515	}
1657		2516
1658	=item $player_object->may ("access")	2517	=item $player_object->may ("access")
1659		2518
1660	Returns wether the given player is authorized to access resource "access"	2519	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2551	=cut
1693		2552
1694	sub link_map {	2553	sub link_map {
1695	unless ($LINK_MAP) {	2554	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2555	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2556	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2557	$LINK_MAP->load;
1699	}	2558	}
1700		2559
1701	$LINK_MAP	2560	$LINK_MAP
1702	}	2561	}
…		…
1707	$self->deactivate_recursive;	2566	$self->deactivate_recursive;
1708		2567
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2568	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2569
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2570	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2571	if $self->map && $self->map->{path} ne "{link}";
1713		2572
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2573	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2574	}
1716		2575
1717	sub cf::object::player::leave_link {	2576	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2577	my ($self, $map, $x, $y) = @_;
		2578
		2579	return unless $self->contr->active;
1719		2580
1720	my $link_pos = delete $self->{_link_pos};	2581	my $link_pos = delete $self->{_link_pos};
1721		2582
1722	unless ($map) {	2583	unless ($map) {
1723	# restore original map position	2584	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2598	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2599	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2600	if $x <=0 && $y <= 0;
1740		2601
1741	$map->load;	2602	$map->load;
1742	$map->load_diag;	2603	$map->load_neighbours;
1743		2604
1744	return unless $self->contr->active;	2605	return unless $self->contr->active;
1745	$self->activate_recursive;	2606	$self->activate_recursive;
		2607
		2608	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2609	$self->enter_map ($map, $x, $y);
1747	}	2610	}
1748		2611
1749	cf::player->attach (	2612	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2613
1753	# abort map switching before logout	2614	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2615	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2616	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2617	the new (success) or old (failed) map position. In either case, $done will
1757	};	2618	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2619
1763	# try to abort aborted map switching on player login :)	2620	Note that $check will be called with a potentially non-loaded map, so if
1764	# should happen only on crashes	2621	it needs a loaded map it has to call C<< ->load >>.
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2622
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2623	=cut
		2624
		2625	our $GOTOGEN;
1784		2626
1785	sub cf::object::player::goto {	2627	sub cf::object::player::goto {
1786	my ($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;
1787		2632
1788	$self->enter_link;	2633	$self->enter_link;
1789		2634
1790	(async {	2635	(async {
1791	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) {
1792	$map = $map->customise_for ($self) if $map;	2661	$map = $map->customise_for ($self);
1793		2662	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2663	} else {
1795	# if $map;
1796
1797	$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	}
1798		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};
1799	$self->leave_link ($map, $x, $y);	2677	$self->leave_link ($map, $x, $y);
		2678	}
		2679
		2680	$done->() if $done;
1800	})->prio (1);	2681	})->prio (1);
1801	}	2682	}
1802		2683
1803	=item $player_object->enter_exit ($exit_object)	2684	=item $player_object->enter_exit ($exit_object)
1804		2685
…		…
1806		2687
1807	sub parse_random_map_params {	2688	sub parse_random_map_params {
1808	my ($spec) = @_;	2689	my ($spec) = @_;
1809		2690
1810	my $rmp = { # defaults	2691	my $rmp = { # defaults
1811	xsize => 10,	2692	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2693	ysize => (cf::rndm 15, 40),
		2694	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2695	#layout => string,
1813	};	2696	};
1814		2697
1815	for (split /\n/, $spec) {	2698	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2699	my ($k, $v) = split /\s+/, $_, 2;
1817		2700
…		…
1829	# that depends on the exit object	2712	# that depends on the exit object
1830		2713
1831	my $rmp = parse_random_map_params $exit->msg;	2714	my $rmp = parse_random_map_params $exit->msg;
1832		2715
1833	if ($exit->map) {	2716	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2717	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2718	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2719	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2720	$rmp->{origin_y} = $exit->y;
		2721
		2722	$exit->map->touch;
1838	}	2723	}
1839		2724
1840	$rmp->{random_seed} ||= $exit->random_seed;	2725	$rmp->{random_seed} ||= $exit->random_seed;
1841		2726
1842	my $data = cf::to_json $rmp;	2727	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2728	my $md5 = Digest::MD5::md5_hex $data;
		2729	my $meta = "$RANDOMDIR/$md5.meta";
1844		2730
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2731	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2732	aio_write $fh, 0, (length $data), $data, 0;
		2733	undef $fh;
		2734	aio_rename "$meta~", $meta;
1847		2735
		2736	my $slaying = "?random/$md5";
		2737
		2738	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2739	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2740	$exit->msg (undef);
		2741	}
1850	}	2742	}
1851	}	2743	}
1852		2744
1853	sub cf::object::player::enter_exit {	2745	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2746	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2748	return unless $self->type == cf::PLAYER;
1857		2749
1858	$self->enter_link;	2750	$self->enter_link;
1859		2751
1860	(async {	2752	(async {
1861	$self->deactivate_recursive; # just to be sure	2753	$Coro::current->{desc} = "enter_exit";
		2754
1862	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
1863	prepare_random_map $exit	2762	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2763	if $exit->slaying eq "/!";
		2764	}
1865		2765
1866	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;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2767	my $x = $exit->stats->hp;
		2768	my $y = $exit->stats->sp;
1868		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
1869	1;	2776	1
1870	}) {	2777	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2778	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "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. "
1873	. "Please report this to the dungeon master!",	2780	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2781	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2782
1876	warn "ERROR in enter_exit: $@";	2783	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2784	$self->leave_link;
1878	}	2785	}
1879	})->prio (1);	2786	})->prio (1);
…		…
1892		2799
1893	sub cf::client::send_drawinfo {	2800	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2801	my ($self, $text, $flags) = @_;
1895		2802
1896	utf8::encode $text;	2803	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2804	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2805	}
1899		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	}
1900		2971
1901	=item $success = $client->query ($flags, "text", \&cb)	2972	=item $success = $client->query ($flags, "text", \&cb)
1902		2973
1903	Queues a query to the client, calling the given callback with	2974	Queues a query to the client, calling the given callback with
1904	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>,
1905	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>.
1906		2977
1907	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
1908	reliable at some point in the future.	2979	become reliable at some point in the future.
1909		2980
1910	=cut	2981	=cut
1911		2982
1912	sub cf::client::query {	2983	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2984	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2992	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2993	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2994
1924	$self->send_packet ($self->{query_queue}[0][0])	2995	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2996	if @{ $self->{query_queue} } == 1;
		2997
		2998	1
1926	}	2999	}
1927		3000
1928	cf::client->attach (	3001	cf::client->attach (
		3002	on_connect => sub {
		3003	my ($ns) = @_;
		3004
		3005	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3006	},
1929	on_reply => sub {	3007	on_reply => sub {
1930	my ($ns, $msg) = @_;	3008	my ($ns, $msg) = @_;
1931		3009
1932	# this weird shuffling is so that direct followup queries	3010	# this weird shuffling is so that direct followup queries
1933	# get handled first	3011	# get handled first
1934	my $queue = delete $ns->{query_queue}	3012	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3013	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3014
1937	(shift @$queue)->[1]->($msg);	3015	(shift @$queue)->[1]->($msg);
		3016	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3017
1939	push @{ $ns->{query_queue} }, @$queue;	3018	push @{ $ns->{query_queue} }, @$queue;
1940		3019
1941	if (@{ $ns->{query_queue} } == @$queue) {	3020	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3021	if (@$queue) {
…		…
1944	} else {	3023	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3024	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3025	}
1947	}	3026	}
1948	},	3027	},
		3028	on_exticmd => sub {
		3029	my ($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	},
1949	);	3054	);
1950		3055
1951	=item $client->async (\&cb)	3056	=item $client->async (\&cb)
1952		3057
1953	Create a new coroutine, running the specified callback. The coroutine will	3058	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	3099	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3100	our $safe_hole = new Safe::Hole;
1996		3101
1997	$SIG{FPE} = 'IGNORE';	3102	$SIG{FPE} = 'IGNORE';
1998		3103
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3104	$safe->permit_only (Opcode::opset qw(
		3105	:base_core :base_mem :base_orig :base_math
		3106	grepstart grepwhile mapstart mapwhile
		3107	sort time
		3108	));
2000		3109
2001	# here we export the classes and methods available to script code	3110	# here we export the classes and methods available to script code
2002		3111
2003	=pod	3112	=pod
2004		3113
2005	The following fucntions and emthods are available within a safe environment:	3114	The following functions and methods are available within a safe environment:
2006		3115
2007	cf::object contr pay_amount pay_player map	3116	cf::object
		3117	contr pay_amount pay_player map x y force_find force_add destroy
		3118	insert remove name archname title slaying race decrease split
		3119
2008	cf::object::player player	3120	cf::object::player
2009	cf::player peaceful	3121	player
2010	cf::map trigger	3122
		3123	cf::player
		3124	peaceful
		3125
		3126	cf::map
		3127	trigger
2011		3128
2012	=cut	3129	=cut
2013		3130
2014	for (	3131	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3132	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3133	insert remove inv nrof name archname title slaying race
		3134	decrease split destroy change_exp)],
2016	["cf::object::player" => qw(player)],	3135	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3136	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	3137	["cf::map" => qw(trigger)],
2019	) {	3138	) {
2020	no strict 'refs';	3139	no strict 'refs';
…		…
2091	=back	3210	=back
2092		3211
2093	=cut	3212	=cut
2094		3213
2095	#############################################################################	3214	#############################################################################
		3215	# the server's init and main functions
2096		3216
2097	=head2 EXTENSION DATABASE SUPPORT	3217	sub load_facedata($) {
		3218	my ($path) = @_;
2098		3219
2099	Crossfire maintains a very simple database for extension use. It can	3220	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3221	# for this (global event?)
2101	excludes objects.	3222	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3223
2103	The parameter C<$family> should best start with the name of the extension	3224	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3225
2106	=over 4	3226	warn "loading facedata from $path\n";
2107		3227
2108	=item $hashref = cf::db_get $family	3228	my $facedata;
		3229	0 < aio_load $path, $facedata
		3230	or die "$path: $!";
2109		3231
2110	Return a hashref for use by the extension C<$family>, which can be	3232	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3233
2114	=item $value = cf::db_get $family => $key	3234	$facedata->{version} == 2
		3235	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3236
2116	Returns a single value from the database	3237	# patch in the exptable
2117		3238	$facedata->{resource}{"res/exp_table"} = {
2118	=item cf::db_put $family => $hashref	3239	type => FT_RSRC,
2119		3240	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3241	};
		3242	cf::cede_to_tick;
2169		3243
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3244	{
		3245	my $faces = $facedata->{faceinfo};
2174		3246
2175	sub db_get($;$) {	3247	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3248	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3249
2181	sub db_put($$;$) {	3250	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3251	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3252	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2184	} else {	3253	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3254
2190	cf::global->attach (	3255	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3256	}
2195	);
2196	}
2197		3257
2198	#############################################################################	3258	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3259	next unless $info->{smooth};
2200		3260
2201	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 {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3411	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3412	or return;
2204		3413
2205	local $/;	3414	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3415	*CFG = YAML::Load <$fh>;
2207		3416
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3417	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2209		3418
2210	$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};
2211	$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};
…		…
2221		3430
2222	sub main {	3431	sub main {
2223	# we must not ever block the main coroutine	3432	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3433	local $Coro::idle = sub {
2225	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#
2226	async { Event::one_event };	3435	(async {
		3436	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3437	EV::loop EV::LOOP_ONESHOT;
		3438	})->prio (Coro::PRIO_MAX);
2227	};	3439	};
2228		3440
2229	cfg_load;	3441	{
2230	db_load;	3442	my $guard = freeze_mainloop;
		3443	reload_config;
		3444	db_init;
2231	load_extensions;	3445	load_extensions;
		3446
		3447	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3448	}
		3449
2232	Event::loop;	3450	EV::loop;
2233	}	3451	}
2234		3452
2235	#############################################################################	3453	#############################################################################
2236	# initialisation and cleanup	3454	# initialisation and cleanup
2237		3455
2238	# install some emergency cleanup handlers	3456	# install some emergency cleanup handlers
2239	BEGIN {	3457	BEGIN {
		3458	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3459	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3460	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3461	cf::cleanup "SIG$signal";
2246	},
2247	);	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
2248	}	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 };
2249	}	3545	}
2250		3546
2251	sub emergency_save() {	3547	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3548	my $freeze_guard = cf::freeze_mainloop;
2253		3549
2254	warn "enter emergency perl save\n";	3550	warn "enter emergency perl save\n";
2255		3551
2256	cf::sync_job {	3552	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3553	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3554	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3555	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3556	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3557	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3558	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3559	$pl->valid or next;
		3560	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3561	$pl->save;
2265	}	3562	}
2266	warn "end emergency player save\n";	3563	warn "end emergency player save\n";
2267		3564
2268	warn "begin emergency map save\n";	3565	warn "begin emergency map save\n";
…		…
2270	my $map = $cf::MAP{$path} or next;	3567	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3568	$map->valid or next;
2272	$map->save;	3569	$map->save;
2273	}	3570	}
2274	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 $DB_ENV;
		3575	warn "end emergency database checkpoint\n";
		3576
		3577	warn "begin write uuid\n";
		3578	write_uuid_sync 1;
		3579	warn "end write uuid\n";
2275	};	3580	};
2276		3581
2277	warn "leave emergency perl save\n";	3582	warn "leave emergency perl save\n";
2278	}	3583	}
2279		3584
		3585	sub post_cleanup {
		3586	my ($make_core) = @_;
		3587
		3588	warn Carp::longmess "post_cleanup backtrace"
		3589	if $make_core;
		3590	}
		3591
2280	sub reload() {	3592	sub do_reload_perl() {
2281	# can/must only be called in main	3593	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3594	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3595	warn "can only reload from main coroutine";
2284	return;	3596	return;
2285	}	3597	}
2286		3598
2287	warn "reloading...";	3599	warn "reloading...";
2288		3600
2289	warn "freezing server";	3601	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3602
		3603	cf::sync_job {
		3604	cf::write_runtime_sync; # external watchdog should not bark
2291	cf::emergency_save;	3605	cf::emergency_save;
		3606	cf::write_runtime_sync; # external watchdog should not bark
2292		3607
2293	warn "sync database to disk";	3608	warn "syncing database to disk";
2294	cf::db_sync;	3609	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3610
2297	eval {
2298	# 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
2299		3612
2300	warn "cancel all watchers";	3613	warn "flushing outstanding aio requests";
2301	for (Event::all_watchers) {	3614	for (;;) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3615	BDB::flush;
		3616	IO::AIO::flush;
		3617	Coro::cede_notself;
		3618	last unless IO::AIO::nreqs || BDB::nreqs;
		3619	warn "iterate...";
2303	}	3620	}
2304		3621
		3622	++$RELOAD;
		3623
2305	warn "cancel all extension coros";	3624	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3625	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3626	%EXT_CORO = ();
2308		3627
2309	warn "remove commands";	3628	warn "removing commands";
2310	%COMMAND = ();	3629	%COMMAND = ();
2311		3630
2312	warn "remove ext commands";	3631	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3632	%EXTCMD = ();
		3633	%EXTICMD = ();
2314		3634
2315	warn "unload/nuke all extensions";	3635	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3636	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3637	warn "... unloading $pkg";
2318		3638
2319	if (my $cb = $pkg->can ("unload")) {	3639	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3640	eval {
…		…
2325		3645
2326	warn "... nuking $pkg";	3646	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3647	Symbol::delete_package $pkg;
2328	}	3648	}
2329		3649
2330	warn "unload all perl modules loaded from $LIBDIR";	3650	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3651	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3652	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3653
2334	warn "removing <$k>";	3654	warn "... unloading $k";
2335	delete $INC{$k};	3655	delete $INC{$k};
2336		3656
2337	$k =~ s/\.pm$//;	3657	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3658	$k =~ s/\//::/g;
2339		3659
…		…
2342	}	3662	}
2343		3663
2344	Symbol::delete_package $k;	3664	Symbol::delete_package $k;
2345	}	3665	}
2346		3666
2347	warn "get rid of safe::, as good as possible";	3667	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3668	Symbol::delete_package "safe::$_"
2349	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);
2350		3670
2351	warn "unload cf.pm \"a bit\"";	3671	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3672	delete $INC{"cf.pm"};
		3673	delete $INC{"cf/pod.pm"};
2353		3674
2354	# don't, removes xs symbols, too,	3675	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3676	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3677	#Symbol::delete_package __PACKAGE__;
2357		3678
		3679	warn "unload completed, starting to reload now";
		3680
2358	warn "reloading cf.pm";	3681	warn "reloading cf.pm";
2359	require cf;	3682	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3683	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3684
2362	warn "load config and database again";	3685	warn "loading config and database again";
2363	cf::cfg_load;	3686	cf::reload_config;
2364	cf::db_load;
2365		3687
2366	warn "load extensions";	3688	warn "loading extensions";
2367	cf::load_extensions;	3689	cf::load_extensions;
2368		3690
2369	warn "reattach attachments to objects/players";	3691	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3692	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3693	warn "reattaching attachments to maps";
2372	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 $@;
		3703	cf::cleanup "error while reloading, exiting.";
2373	};	3704	};
2374
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380		3705
2381	warn "reloaded";	3706	warn "reloaded";
2382	};	3707	};
2383		3708
		3709	our $RELOAD_WATCHER; # used only during reload
		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 $RELOAD_WATCHER;
		3718	};
		3719	}
		3720
2384	register_command "reload" => sub {	3721	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3722	my ($who, $arg) = @_;
2386		3723
2387	if ($who->flag (FLAG_WIZ)) {	3724	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3725	$who->message ("reloading server.");
		3726	async {
		3727	$Coro::current->{desc} = "perl_reload";
		3728	reload_perl;
		3729	};
2391	}	3730	}
2392	};	3731	};
2393		3732
2394	unshift @INC, $LIBDIR;	3733	unshift @INC, $LIBDIR;
2395		3734
2396	$TICK_WATCHER = Event->timer (	3735	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		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
2404	cf::server_tick; # one server iteration	3763	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		3764
2408	$WAIT_FOR_TICK->broadcast;	3765	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3766	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2410		3767	Coro::async_pool {
2411	# if we are delayed by four ticks or more, skip them all	3768	$Coro::current->{desc} = "runtime saver";
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2413
2414	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	3769	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	3770	or warn "ERROR: unable to write runtime file: $!";
2437	})->();	3771	};
2438	},	3772	}
2439	);	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;
2440		3885
2441	END { cf::emergency_save }	3886	END { cf::emergency_save }
2442		3887
2443	1	3888	1
2444		3889

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