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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.436 by root, Sun Jun 15 20:32:51 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;
		46	use Coro::Storable;
		47	use Coro::Util ();
19		48
		49	use JSON::XS 2.01 ();
		50	use BDB ();
20	use Data::Dumper;	51	use Data::Dumper;
21	use Digest::MD5;	52	use Digest::MD5;
22	use Fcntl;	53	use Fcntl;
		54	use YAML ();
23	use IO::AIO 2.32 ();	55	use IO::AIO ();
24	use YAML::Syck ();
25	use Time::HiRes;	56	use Time::HiRes;
		57	use Compress::LZF;
		58	use Digest::MD5 ();
26		59
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	60	AnyEvent::detect;
		61
		62	# configure various modules to our taste
		63	#
		64	$Storable::canonical = 1; # reduce rsync transfers
		65	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		66	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		67
		68	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
28		69
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	70	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		71
36	our %COMMAND = ();	72	our %COMMAND = ();
37	our %COMMAND_TIME = ();	73	our %COMMAND_TIME = ();
38		74
39	our @EXTS = (); # list of extension package names	75	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	76	our %EXTCMD = ();
		77	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	78	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	79	our %EXT_MAP = (); # pluggable maps
43		80
		81	our $RELOAD; # number of reloads so far
44	our @EVENT;	82	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		83
47	our $TICK = MAX_TIME * 1e-6;	84	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	85	our $DATADIR = datadir;
49	our $AIO_POLL_WATCHER;	86	our $LIBDIR = "$DATADIR/ext";
50	our $WRITE_RUNTIME_WATCHER;	87	our $PODDIR = "$DATADIR/pod";
		88	our $MAPDIR = "$DATADIR/" . mapdir;
		89	our $LOCALDIR = localdir;
		90	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		91	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		92	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		93	our $RANDOMDIR = "$LOCALDIR/random";
		94	our $BDBDIR = "$LOCALDIR/db";
		95	our %RESOURCE;
		96
		97	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		98	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	99	our $NEXT_TICK;
52	our $NOW;	100	our $USE_FSYNC = 1; # use fsync to write maps - default off
		101
		102	our $BDB_DEADLOCK_WATCHER;
		103	our $BDB_CHECKPOINT_WATCHER;
		104	our $BDB_TRICKLE_WATCHER;
		105	our $DB_ENV;
53		106
54	our %CFG;	107	our %CFG;
55		108
56	our $UPTIME; $UPTIME ||= time;	109	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	110	our $RUNTIME;
		111	our $NOW;
58		112
59	our %PLAYER; # all users	113	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	114	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	115	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		116
67	# used to convert map paths into valid unix filenames by replacing / by ∕	117	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	118	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		119
		120	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		121	our $LOADAVG; # same thing, but with alpha-smoothing
		122	our $JITTER; # average jitter
		123	our $TICK_START; # for load detecting purposes
		124
70	binmode STDOUT;	125	binmode STDOUT;
71	binmode STDERR;	126	binmode STDERR;
72		127
73	# read virtual server time, if available	128	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	129	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	130	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	131	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	132	$RUNTIME = <$fh> + 0.;
78	}	133	}
79		134
80	mkdir cf::localdir;	135	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	136	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		137
86	our $EMERGENCY_POSITION;	138	our $EMERGENCY_POSITION;
		139
		140	sub cf::map::normalise;
87		141
88	#############################################################################	142	#############################################################################
89		143
90	=head2 GLOBAL VARIABLES	144	=head2 GLOBAL VARIABLES
91		145
…		…
98	=item $cf::RUNTIME	152	=item $cf::RUNTIME
99		153
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	154	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	155	every server tick.
102		156
103	=item $cf::LIBDIR	157	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		158	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		159	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		160
105	The perl library directory, where extensions and cf-specific modules can	161	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	162	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		163	unique-items directory, player file directory, random maps directory and
		164	database environment.
107		165
108	=item $cf::NOW	166	=item $cf::NOW
109		167
110	The time of the last (current) server tick.	168	The time of the last (current) server tick.
111		169
112	=item $cf::TICK	170	=item $cf::TICK
113		171
114	The interval between server ticks, in seconds.	172	The interval between server ticks, in seconds.
115		173
		174	=item $cf::LOADAVG
		175
		176	The current CPU load on the server (alpha-smoothed), as a value between 0
		177	(none) and 1 (overloaded), indicating how much time is spent on processing
		178	objects per tick. Healthy values are < 0.5.
		179
		180	=item $cf::LOAD
		181
		182	The raw value load value from the last tick.
		183
116	=item %cf::CFG	184	=item %cf::CFG
117		185
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	186	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
119	from wherever your confdir points to.	187	from wherever your confdir points to.
120		188
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	189	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		190
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	191	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	192	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	193	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	194
		195	=item @cf::INVOKE_RESULTS
		196
		197	This array contains the results of the last C<invoke ()> call. When
		198	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		199	that call.
127		200
128	=back	201	=back
129		202
130	=cut	203	=cut
131		204
132	BEGIN {	205	BEGIN {
133	*CORE::GLOBAL::warn = sub {	206	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	207	my $msg = join "", @_;
135	utf8::encode $msg;
136		208
137	$msg .= "\n"	209	$msg .= "\n"
138	unless $msg =~ /\n$/;	210	unless $msg =~ /\n$/;
139		211
		212	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		213
140	LOG llevError, $msg;	214	LOG llevError, $msg;
141	};	215	};
142	}	216	}
		217
		218	$Coro::State::DIEHOOK = sub {
		219	return unless $^S eq 0; # "eq", not "=="
		220
		221	if ($Coro::current == $Coro::main) {#d#
		222	warn "DIEHOOK called in main context, Coro bug?\n";#d#
		223	return;#d#
		224	}#d#
		225
		226	# kill coroutine otherwise
		227	warn Carp::longmess $_[0];
		228	Coro::terminate
		229	};
		230
		231	$SIG{__DIE__} = sub { }; #d#?
143		232
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	233	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	234	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	235	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	236	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	237	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		238	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	239	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		240
151	# we bless all objects into (empty) derived classes to force a method lookup	241	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	242	# within the Safe compartment.
153	for my $pkg (qw(	243	for my $pkg (qw(
154	cf::global cf::attachable	244	cf::global cf::attachable
…		…
159	)) {	249	)) {
160	no strict 'refs';	250	no strict 'refs';
161	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	251	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
162	}	252	}
163		253
164	$Event::DIED = sub {	254	$EV::DIED = sub {
165	warn "error in event callback: @_";	255	warn "error in event callback: @_";
166	};	256	};
		257
		258	#############################################################################
167		259
168	=head2 UTILITY FUNCTIONS	260	=head2 UTILITY FUNCTIONS
169		261
170	=over 4	262	=over 4
171		263
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	282	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	283	$d
192	} || "[unable to dump $_[0]: '$@']";	284	} || "[unable to dump $_[0]: '$@']";
193	}	285	}
194		286
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	287	=item $ref = cf::decode_json $json
198		288
199	Converts a JSON string into the corresponding perl data structure.	289	Converts a JSON string into the corresponding perl data structure.
200		290
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	291	=item $json = cf::encode_json $ref
209		292
210	Converts a perl data structure into its JSON representation.	293	Converts a perl data structure into its JSON representation.
211		294
212	=cut	295	=cut
213		296
214	sub to_json($) {	297	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	298
216	JSON::Syck::Dump $_[0]	299	sub encode_json($) { $json_coder->encode ($_[0]) }
217	}	300	sub decode_json($) { $json_coder->decode ($_[0]) }
218		301
219	=item cf::lock_wait $string	302	=item cf::lock_wait $string
220		303
221	Wait until the given lock is available. See cf::lock_acquire.	304	Wait until the given lock is available. See cf::lock_acquire.
222		305
…		…
225	Wait until the given lock is available and then acquires it and returns	308	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	309	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	310	for example when the coroutine gets canceled), the lock is automatically
228	returned.	311	returned.
229		312
		313	Locks are *not* recursive, locking from the same coro twice results in a
		314	deadlocked coro.
		315
230	Lock names should begin with a unique identifier (for example, cf::map::find	316	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	317	uses map_find and cf::map::load uses map_load).
232		318
		319	=item $locked = cf::lock_active $string
		320
		321	Return true if the lock is currently active, i.e. somebody has locked it.
		322
233	=cut	323	=cut
234		324
235	our %LOCK;	325	our %LOCK;
		326	our %LOCKER;#d#
236		327
237	sub lock_wait($) {	328	sub lock_wait($) {
238	my ($key) = @_;	329	my ($key) = @_;
		330
		331	if ($LOCKER{$key} == $Coro::current) {#d#
		332	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		333	return;#d#
		334	}#d#
239		335
240	# wait for lock, if any	336	# wait for lock, if any
241	while ($LOCK{$key}) {	337	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	338	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	339	Coro::schedule;
…		…
249		345
250	# wait, to be sure we are not locked	346	# wait, to be sure we are not locked
251	lock_wait $key;	347	lock_wait $key;
252		348
253	$LOCK{$key} = [];	349	$LOCK{$key} = [];
		350	$LOCKER{$key} = $Coro::current;#d#
254		351
255	Coro::guard {	352	Coro::guard {
		353	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	354	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	355	$_->ready for @{ delete $LOCK{$key} };
258	}	356	}
259	}	357	}
260		358
		359	sub lock_active($) {
		360	my ($key) = @_;
		361
		362	! ! $LOCK{$key}
		363	}
		364
261	sub freeze_mainloop {	365	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	366	tick_inhibit_inc;
263		367
264	my $guard = Coro::guard {	368	Coro::guard \&tick_inhibit_dec;
265	$TICK_WATCHER->start;	369	}
266	$WRITE_RUNTIME_WATCHER->start;	370
		371	=item cf::periodic $interval, $cb
		372
		373	Like EV::periodic, but randomly selects a starting point so that the actions
		374	get spread over timer.
		375
		376	=cut
		377
		378	sub periodic($$) {
		379	my ($interval, $cb) = @_;
		380
		381	my $start = rand List::Util::min 180, $interval;
		382
		383	EV::periodic $start, $interval, 0, $cb
		384	}
		385
		386	=item cf::get_slot $time[, $priority[, $name]]
		387
		388	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		389	This call blocks and returns only when you have at least C<$time> seconds
		390	of cpu time till the next tick. The slot is only valid till the next cede.
		391
		392	The optional C<$name> can be used to identify the job to run. It might be
		393	used for statistical purposes and should identify the same time-class.
		394
		395	Useful for short background jobs.
		396
		397	=cut
		398
		399	our @SLOT_QUEUE;
		400	our $SLOT_QUEUE;
		401
		402	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		403	$SLOT_QUEUE = Coro::async {
		404	$Coro::current->desc ("timeslot manager");
		405
		406	my $signal = new Coro::Signal;
		407
		408	while () {
		409	next_job:
		410	my $avail = cf::till_tick;
		411	if ($avail > 0.01) {
		412	for (0 .. $#SLOT_QUEUE) {
		413	if ($SLOT_QUEUE[$_][0] < $avail) {
		414	my $job = splice @SLOT_QUEUE, $_, 1, ();
		415	$job->[2]->send;
		416	Coro::cede;
		417	goto next_job;
		418	}
		419	}
		420	}
		421
		422	if (@SLOT_QUEUE) {
		423	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		424	push @cf::WAIT_FOR_TICK, $signal;
		425	$signal->wait;
		426	} else {
		427	Coro::schedule;
		428	}
267	};	429	}
268	$WRITE_RUNTIME_WATCHER->stop;	430	};
269	$TICK_WATCHER->stop;	431
270	$guard	432	sub get_slot($;$$) {
		433	return if tick_inhibit || $Coro::current == $Coro::main;
		434
		435	my ($time, $pri, $name) = @_;
		436
		437	$time = $TICK * .6 if $time > $TICK * .6;
		438	my $sig = new Coro::Signal;
		439
		440	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		441	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		442	$SLOT_QUEUE->ready;
		443	$sig->wait;
271	}	444	}
272		445
273	=item cf::async { BLOCK }	446	=item cf::async { BLOCK }
274		447
275	Currently the same as Coro::async_pool, meaning you cannot use	448	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		453
281	BEGIN { *async = \&Coro::async_pool }	454	BEGIN { *async = \&Coro::async_pool }
282		455
283	=item cf::sync_job { BLOCK }	456	=item cf::sync_job { BLOCK }
284		457
285	The design of crossfire+ requires that the main coro ($Coro::main) is	458	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	459	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	460	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		461	acceptable.
288		462
289	If it must be done, put the blocking parts into C<sync_job>. This will run	463	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	464	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	465	server will be frozen during this time, so the block should either finish
292	fast or be very important.	466	fast or be very important.
…		…
295		469
296	sub sync_job(&) {	470	sub sync_job(&) {
297	my ($job) = @_;	471	my ($job) = @_;
298		472
299	if ($Coro::current == $Coro::main) {	473	if ($Coro::current == $Coro::main) {
		474	my $time = EV::time;
		475
300	# this is the main coro, too bad, we have to block	476	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	477	# till the operation succeeds, freezing the server :/
302		478
303	# TODO: use suspend/resume instead	479	LOG llevError, Carp::longmess "sync job";#d#
304	# (but this is cancel-safe)	480
305	my $freeze_guard = freeze_mainloop;	481	my $freeze_guard = freeze_mainloop;
306		482
307	my $busy = 1;	483	my $busy = 1;
308	my @res;	484	my @res;
309		485
310	(async {	486	(async {
		487	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	488	@res = eval { $job->() };
312	warn $@ if $@;	489	warn $@ if $@;
313	undef $busy;	490	undef $busy;
314	})->prio (Coro::PRIO_MAX);	491	})->prio (Coro::PRIO_MAX);
315		492
316	while ($busy) {	493	while ($busy) {
317	Coro::cede or Event::one_event;	494	if (Coro::nready) {
		495	Coro::cede_notself;
		496	} else {
		497	EV::loop EV::LOOP_ONESHOT;
318	}	498	}
		499	}
		500
		501	my $time = EV::time - $time;
		502
		503	$TICK_START += $time; # do not account sync jobs to server load
319		504
320	wantarray ? @res : $res[0]	505	wantarray ? @res : $res[0]
321	} else {	506	} else {
322	# we are in another coroutine, how wonderful, everything just works	507	# we are in another coroutine, how wonderful, everything just works
323		508
…		…
343	$EXT_CORO{$coro+0} = $coro;	528	$EXT_CORO{$coro+0} = $coro;
344		529
345	$coro	530	$coro
346	}	531	}
347		532
348	sub write_runtime {	533	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		534
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	535	Executes the given code block with the given arguments in a seperate
352	or return;	536	process, returning the results. Everything must be serialisable with
		537	Coro::Storable. May, of course, block. Note that the executed sub may
		538	never block itself or use any form of event handling.
353		539
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	540	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		541
358	aio_fsync $fh	542	sub fork_call(&@) {
359	and return;	543	my ($cb, @args) = @_;
360		544
361	close $fh	545	# we seemingly have to make a local copy of the whole thing,
362	or return;	546	# otherwise perl prematurely frees the stuff :/
		547	# TODO: investigate and fix (likely this will be rather laborious)
363		548
364	aio_rename "$runtime~", $runtime	549	my @res = Coro::Util::fork_eval {
365	and return;	550	reset_signals;
		551	&$cb
		552	}, @args;
366		553
		554	wantarray ? @res : $res[-1]
		555	}
		556
		557	=item $coin = coin_from_name $name
		558
		559	=cut
		560
		561	our %coin_alias = (
		562	"silver" => "silvercoin",
		563	"silvercoin" => "silvercoin",
		564	"silvercoins" => "silvercoin",
		565	"gold" => "goldcoin",
		566	"goldcoin" => "goldcoin",
		567	"goldcoins" => "goldcoin",
		568	"platinum" => "platinacoin",
		569	"platinumcoin" => "platinacoin",
		570	"platinumcoins" => "platinacoin",
		571	"platina" => "platinacoin",
		572	"platinacoin" => "platinacoin",
		573	"platinacoins" => "platinacoin",
		574	"royalty" => "royalty",
		575	"royalties" => "royalty",
		576	);
		577
		578	sub coin_from_name($) {
		579	$coin_alias{$_[0]}
		580	? cf::arch::find $coin_alias{$_[0]}
		581	: undef
		582	}
		583
		584	=item $value = cf::db_get $family => $key
		585
		586	Returns a single value from the environment database.
		587
		588	=item cf::db_put $family => $key => $value
		589
		590	Stores the given C<$value> in the family. It can currently store binary
		591	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		592
		593	=item $db = cf::db_table "name"
		594
		595	Create and/or open a new database table. The string must not be "db" and must be unique
		596	within each server.
		597
		598	=cut
		599
		600	sub db_table($) {
		601	my ($name) = @_;
		602	my $db = BDB::db_create $DB_ENV;
		603
		604	eval {
		605	$db->set_flags (BDB::CHKSUM);
		606
		607	utf8::encode $name;
		608	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		609	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		610	cf::cleanup "db_open(db): $!" if $!;
		611	};
		612	cf::cleanup "db_open(db): $@" if $@;
		613
		614	$db
		615	}
		616
		617	our $DB;
		618
		619	sub db_init {
		620	cf::sync_job {
		621	$DB ||= db_table "db";
		622	};
		623	}
		624
		625	sub db_get($$) {
		626	my $key = "$_[0]/$_[1]";
		627
		628	cf::sync_job {
		629	BDB::db_get $DB, undef, $key, my $data;
		630
		631	$! ? ()
		632	: $data
367	1	633	}
		634	}
		635
		636	sub db_put($$$) {
		637	BDB::dbreq_pri 4;
		638	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		639	}
		640
		641	=item cf::cache $id => [$paths...], $processversion => $process
		642
		643	Generic caching function that returns the value of the resource $id,
		644	caching and regenerating as required.
		645
		646	This function can block.
		647
		648	=cut
		649
		650	sub cache {
		651	my ($id, $src, $processversion, $process) = @_;
		652
		653	my $meta =
		654	join "\x00",
		655	$processversion,
		656	map {
		657	aio_stat $_
		658	and Carp::croak "$_: $!";
		659
		660	($_, (stat _)[7,9])
		661	} @$src;
		662
		663	my $dbmeta = db_get cache => "$id/meta";
		664	if ($dbmeta ne $meta) {
		665	# changed, we may need to process
		666
		667	my @data;
		668	my $md5;
		669
		670	for (0 .. $#$src) {
		671	0 <= aio_load $src->[$_], $data[$_]
		672	or Carp::croak "$src->[$_]: $!";
		673	}
		674
		675	# if processing is expensive, check
		676	# checksum first
		677	if (1) {
		678	$md5 =
		679	join "\x00",
		680	$processversion,
		681	map {
		682	cf::cede_to_tick;
		683	($src->[$_], Digest::MD5::md5_hex $data[$_])
		684	} 0.. $#$src;
		685
		686
		687	my $dbmd5 = db_get cache => "$id/md5";
		688	if ($dbmd5 eq $md5) {
		689	db_put cache => "$id/meta", $meta;
		690
		691	return db_get cache => "$id/data";
		692	}
		693	}
		694
		695	my $t1 = Time::HiRes::time;
		696	my $data = $process->(\@data);
		697	my $t2 = Time::HiRes::time;
		698
		699	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		700
		701	db_put cache => "$id/data", $data;
		702	db_put cache => "$id/md5" , $md5;
		703	db_put cache => "$id/meta", $meta;
		704
		705	return $data;
		706	}
		707
		708	db_get cache => "$id/data"
		709	}
		710
		711	=item cf::datalog type => key => value, ...
		712
		713	Log a datalog packet of the given type with the given key-value pairs.
		714
		715	=cut
		716
		717	sub datalog($@) {
		718	my ($type, %kv) = @_;
		719	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	720	}
369		721
370	=back	722	=back
371		723
372	=cut	724	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	731	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	732	to it. All such attachable objects support the following methods.
381		733
382	In the following description, CLASS can be any of C<global>, C<object>	734	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	735	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	736	Deliantra).
385		737
386	=over 4	738	=over 4
387		739
388	=item $attachable->attach ($attachment, key => $value...)	740	=item $attachable->attach ($attachment, key => $value...)
389		741
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	855	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	856	our @CB_MAP = ();
505		857
506	my %attachment;	858	my %attachment;
507		859
		860	sub cf::attachable::thawer_merge {
		861	# simply override everything except _meta
		862	local $_[0]{_meta};
		863	%{$_[0]} = %{$_[1]};
		864	}
		865
508	sub _attach_cb($$$$) {	866	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	867	my ($registry, $event, $prio, $cb) = @_;
510		868
511	use sort 'stable';	869	use sort 'stable';
512		870
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	904	$registry = $CB_TYPE[$object_type] ||= [];
547		905
548	} elsif ($type eq "subtype") {	906	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	907	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	908	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	909	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		910
553	} elsif ($type eq "package") {	911	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	912	my $pkg = shift @arg;
555		913
556	while (my ($name, $id) = each %cb_id) {	914	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	943	_attach $registry, $klass, @attach;
586	}	944	}
587		945
588	$obj->{$name} = \%arg;	946	$obj->{$name} = \%arg;
589	} else {	947	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	948	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	949	}
592		950
593	$obj->{_attachment}{$name} = undef;	951	$obj->{_attachment}{$name} = undef;
594	}	952	}
595		953
…		…
597	if (ref $_[0]) {	955	if (ref $_[0]) {
598	_object_attach @_;	956	_object_attach @_;
599	} else {	957	} else {
600	_attach shift->_attach_registry, @_;	958	_attach shift->_attach_registry, @_;
601	}	959	}
		960	_recalc_want;
602	};	961	};
603		962
604	# all those should be optimised	963	# all those should be optimised
605	sub cf::attachable::detach {	964	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	965	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	968	delete $obj->{_attachment}{$name};
610	reattach ($obj);	969	reattach ($obj);
611	} else {	970	} else {
612	Carp::croak "cannot, currently, detach class attachments";	971	Carp::croak "cannot, currently, detach class attachments";
613	}	972	}
		973	_recalc_want;
614	};	974	};
615		975
616	sub cf::attachable::attached {	976	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	977	my ($obj, $name) = @_;
618		978
…		…
633	";	993	";
634	die if $@;	994	die if $@;
635	}	995	}
636		996
637	our $override;	997	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	998	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		999
640	sub override {	1000	sub override {
641	$override = 1;	1001	$override = 1;
642	@invoke_results = ();	1002	@INVOKE_RESULTS = (@_);
643	}	1003	}
644		1004
645	sub do_invoke {	1005	sub do_invoke {
646	my $event = shift;	1006	my $event = shift;
647	my $callbacks = shift;	1007	my $callbacks = shift;
648		1008
649	@invoke_results = ();	1009	@INVOKE_RESULTS = ();
650		1010
651	local $override;	1011	local $override;
652		1012
653	for (@$callbacks) {	1013	for (@$callbacks) {
654	eval { &{$_->[1]} };	1014	eval { &{$_->[1]} };
…		…
663	}	1023	}
664		1024
665	0	1025	0
666	}	1026	}
667		1027
668	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1028	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
669		1029
670	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1030	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
671		1031
672	Generate an object-specific event with the given arguments.	1032	Generate an object-specific event with the given arguments.
673		1033
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1034	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	1035	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	1036	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		1037
678	=back	1038	=back
679		1039
680	=cut	1040	=cut
681		1041
682	#############################################################################	1042	#############################################################################
683	# object support	1043	# object support
		1044
		1045	sub _object_equal($$);
		1046	sub _object_equal($$) {
		1047	my ($a, $b) = @_;
		1048
		1049	return 0 unless (ref $a) eq (ref $b);
		1050
		1051	if ("HASH" eq ref $a) {
		1052	my @ka = keys %$a;
		1053	my @kb = keys %$b;
		1054
		1055	return 0 if @ka != @kb;
		1056
		1057	for (0 .. $#ka) {
		1058	return 0 unless $ka[$_] eq $kb[$_];
		1059	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1060	}
		1061
		1062	} elsif ("ARRAY" eq ref $a) {
		1063
		1064	return 0 if @$a != @$b;
		1065
		1066	for (0 .. $#$a) {
		1067	return 0 unless _object_equal $a->[$_], $b->[$_];
		1068	}
		1069
		1070	} elsif ($a ne $b) {
		1071	return 0;
		1072	}
		1073
		1074	1
		1075	}
		1076
		1077	our $SLOW_MERGES;#d#
		1078	sub _can_merge {
		1079	my ($ob1, $ob2) = @_;
		1080
		1081	++$SLOW_MERGES;#d#
		1082
		1083	# we do the slow way here
		1084	return _object_equal $ob1, $ob2
		1085	}
684		1086
685	sub reattach {	1087	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	1088	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	1089	my ($obj) = @_;
688		1090
…		…
709	cf::attachable->attach (	1111	cf::attachable->attach (
710	prio => -1000000,	1112	prio => -1000000,
711	on_instantiate => sub {	1113	on_instantiate => sub {
712	my ($obj, $data) = @_;	1114	my ($obj, $data) = @_;
713		1115
714	$data = from_json $data;	1116	$data = decode_json $data;
715		1117
716	for (@$data) {	1118	for (@$data) {
717	my ($name, $args) = @$_;	1119	my ($name, $args) = @$_;
718		1120
719	$obj->attach ($name, %{$args || {} });	1121	$obj->attach ($name, %{$args || {} });
…		…
735	sub object_freezer_save {	1137	sub object_freezer_save {
736	my ($filename, $rdata, $objs) = @_;	1138	my ($filename, $rdata, $objs) = @_;
737		1139
738	sync_job {	1140	sync_job {
739	if (length $$rdata) {	1141	if (length $$rdata) {
		1142	utf8::decode (my $decname = $filename);
740	warn sprintf "saving %s (%d,%d)\n",	1143	warn sprintf "saving %s (%d,%d)\n",
741	$filename, length $$rdata, scalar @$objs;	1144	$decname, length $$rdata, scalar @$objs;
742		1145
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1146	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1147	aio_chmod $fh, SAVE_MODE;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1148	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1149	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1150	aio_close $fh;
748		1151
749	if (@$objs) {	1152	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1153	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1154	aio_chmod $fh, SAVE_MODE;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1155	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1156	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1157	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1158	aio_close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1159	aio_rename "$filename.pst~", "$filename.pst";
757	}	1160	}
758	} else {	1161	} else {
759	aio_unlink "$filename.pst";	1162	aio_unlink "$filename.pst";
760	}	1163	}
…		…
765	}	1168	}
766	} else {	1169	} else {
767	aio_unlink $filename;	1170	aio_unlink $filename;
768	aio_unlink "$filename.pst";	1171	aio_unlink "$filename.pst";
769	}	1172	}
770	}	1173	};
771	}	1174	}
772		1175
773	sub object_freezer_as_string {	1176	sub object_freezer_as_string {
774	my ($rdata, $objs) = @_;	1177	my ($rdata, $objs) = @_;
775		1178
…		…
787	or return;	1190	or return;
788		1191
789	unless (aio_stat "$filename.pst") {	1192	unless (aio_stat "$filename.pst") {
790	(aio_load "$filename.pst", $av) >= 0	1193	(aio_load "$filename.pst", $av) >= 0
791	or return;	1194	or return;
		1195
792	$av = eval { (Storable::thaw $av)->{objs} };	1196	my $st = eval { Coro::Storable::thaw $av };
		1197	$av = $st->{objs};
793	}	1198	}
794		1199
		1200	utf8::decode (my $decname = $filename);
795	warn sprintf "loading %s (%d)\n",	1201	warn sprintf "loading %s (%d,%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1202	$decname, length $data, scalar @{$av || []};
		1203
797	return ($data, $av);	1204	($data, $av)
798	}	1205	}
		1206
		1207	=head2 COMMAND CALLBACKS
		1208
		1209	=over 4
		1210
		1211	=cut
799		1212
800	#############################################################################	1213	#############################################################################
801	# command handling &c	1214	# command handling &c
802		1215
803	=item cf::register_command $name => \&callback($ob,$args);	1216	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1229	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1230	}
818		1231
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1232	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1233
821	Register a callbackf ro execution when the client sends an extcmd packet.	1234	Register a callback for execution when the client sends an (synchronous)
		1235	extcmd packet. Ext commands will be processed in the order they are
		1236	received by the server, like other user commands. The first argument is
		1237	the logged-in player. Ext commands can only be processed after a player
		1238	has logged in successfully.
822		1239
823	If the callback returns something, it is sent back as if reply was being	1240	If the callback returns something, it is sent back as if reply was being
824	called.	1241	called.
825		1242
		1243	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1244
		1245	Register a callback for execution when the client sends an (asynchronous)
		1246	exticmd packet. Exti commands are processed by the server as soon as they
		1247	are received, i.e. out of order w.r.t. other commands. The first argument
		1248	is a client socket. Exti commands can be received anytime, even before
		1249	log-in.
		1250
		1251	If the callback returns something, it is sent back as if reply was being
		1252	called.
		1253
826	=cut	1254	=cut
827		1255
828	sub register_extcmd {	1256	sub register_extcmd {
829	my ($name, $cb) = @_;	1257	my ($name, $cb) = @_;
830		1258
831	$EXTCMD{$name} = $cb;	1259	$EXTCMD{$name} = $cb;
		1260	}
		1261
		1262	sub register_exticmd {
		1263	my ($name, $cb) = @_;
		1264
		1265	$EXTICMD{$name} = $cb;
832	}	1266	}
833		1267
834	cf::player->attach (	1268	cf::player->attach (
835	on_command => sub {	1269	on_command => sub {
836	my ($pl, $name, $params) = @_;	1270	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1279	cf::override;
846	},	1280	},
847	on_extcmd => sub {	1281	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1282	my ($pl, $buf) = @_;
849		1283
850	my $msg = eval { from_json $buf };	1284	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1285
852	if (ref $msg) {	1286	if (ref $msg) {
		1287	my ($type, $reply, @payload) =
		1288	"ARRAY" eq ref $msg
		1289	? @$msg
		1290	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1291
		1292	my @reply;
		1293
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1294	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1295	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1296	}
		1297
		1298	$pl->ext_reply ($reply, @reply)
		1299	if $reply;
		1300
858	} else {	1301	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1302	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1303	}
861		1304
862	cf::override;	1305	cf::override;
863	},	1306	},
864	);	1307	);
865		1308
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1309	sub load_extensions {
		1310	cf::sync_job {
		1311	my %todo;
		1312
901	for my $ext (<$LIBDIR/*.ext>) {	1313	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1314	next unless -r $path;
903	eval {	1315
904	load_extension $ext;	1316	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1317	my $base = $1;
		1318	my $pkg = $1;
		1319	$pkg =~ s/[^[:word:]]/_/g;
		1320	$pkg = "ext::$pkg";
		1321
		1322	open my $fh, "<:utf8", $path
		1323	or die "$path: $!";
		1324
		1325	my $source = do { local $/; <$fh> };
		1326
		1327	my %ext = (
		1328	path => $path,
		1329	base => $base,
		1330	pkg => $pkg,
		1331	);
		1332
		1333	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1334	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1335
		1336	$ext{source} =
		1337	"package $pkg; use strict; use utf8;\n"
		1338	. "#line 1 \"$path\"\n{\n"
		1339	. $source
		1340	. "\n};\n1";
		1341
		1342	$todo{$base} = \%ext;
		1343	}
		1344
		1345	my %done;
		1346	while (%todo) {
		1347	my $progress;
		1348
		1349	while (my ($k, $v) = each %todo) {
		1350	for (split /,\s*/, $v->{meta}{depends}) {
		1351	goto skip
		1352	unless exists $done{$_};
		1353	}
		1354
		1355	warn "... loading '$k' into '$v->{pkg}'\n";
		1356
		1357	unless (eval $v->{source}) {
		1358	my $msg = $@ ? "$v->{path}: $@\n"
		1359	: "$v->{base}: extension inactive.\n";
		1360
		1361	if (exists $v->{meta}{mandatory}) {
		1362	warn $msg;
		1363	cf::cleanup "mandatory extension failed to load, exiting.";
		1364	}
		1365
		1366	warn $msg;
		1367	}
		1368
		1369	$done{$k} = delete $todo{$k};
		1370	push @EXTS, $v->{pkg};
		1371	$progress = 1;
905	1	1372	}
906	} or warn "$ext not loaded: $@";	1373
		1374	skip:
		1375	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1376	unless $progress;
		1377	}
907	}	1378	};
908	}	1379	}
909		1380
910	#############################################################################	1381	#############################################################################
911		1382
		1383	=back
		1384
912	=head2 CORE EXTENSIONS	1385	=head2 CORE EXTENSIONS
913		1386
914	Functions and methods that extend core crossfire objects.	1387	Functions and methods that extend core crossfire objects.
915		1388
916	=cut	1389	=cut
…		…
921		1394
922	=head3 cf::player	1395	=head3 cf::player
923		1396
924	=over 4	1397	=over 4
925		1398
		1399	=item cf::player::num_playing
		1400
		1401	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1402
		1403	=cut
		1404
		1405	sub num_playing {
		1406	scalar grep
		1407	$_->ob->map
		1408	&& !$_->hidden
		1409	&& !$_->ob->flag (cf::FLAG_WIZ),
		1410	cf::player::list
		1411	}
		1412
926	=item cf::player::find $login	1413	=item cf::player::find $login
927		1414
928	Returns the given player object, loading it if necessary (might block).	1415	Returns the given player object, loading it if necessary (might block).
929		1416
930	=cut	1417	=cut
931		1418
932	sub playerdir($) {	1419	sub playerdir($) {
933	cf::localdir	1420	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1421	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1422	}
939		1423
940	sub path($) {	1424	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1425	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1426
943	(playerdir $login) . "/$login.pl"	1427	(playerdir $login) . "/playerdata"
944	}	1428	}
945		1429
946	sub find_active($) {	1430	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1431	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1432	and $cf::PLAYER{$_[0]}->active
…		…
951		1435
952	sub exists($) {	1436	sub exists($) {
953	my ($login) = @_;	1437	my ($login) = @_;
954		1438
955	$cf::PLAYER{$login}	1439	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1440	or cf::sync_job { !aio_stat path $login }
957	}	1441	}
958		1442
959	sub find($) {	1443	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1444	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1445	my $login = $_[0];
962		1446
963	my $guard = cf::lock_acquire "user_find:$login";	1447	my $guard = cf::lock_acquire "user_find:$login";
964		1448
965	$cf::PLAYER{$_[0]} || do {	1449	$cf::PLAYER{$_[0]} || do {
966	my $pl = load_pl path $login	1450	# rename old playerfiles to new ones
		1451	#TODO: remove when no longer required
		1452	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1453	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1454	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1455	aio_unlink +(playerdir $login) . "/$login.pl";
		1456
		1457	my $f = new_from_file cf::object::thawer path $login
967	or return;	1458	or return;
		1459
		1460	my $pl = cf::player::load_pl $f
		1461	or return;
		1462
		1463	local $cf::PLAYER_LOADING{$login} = $pl;
		1464	$f->resolve_delayed_derefs;
968	$cf::PLAYER{$login} = $pl	1465	$cf::PLAYER{$login} = $pl
969	}	1466	}
970	}	1467	}
971	}	1468	}
972		1469
…		…
981	return if $pl->{deny_save};	1478	return if $pl->{deny_save};
982		1479
983	aio_mkdir playerdir $pl, 0770;	1480	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1481	$pl->{last_save} = $cf::RUNTIME;
985		1482
		1483	cf::get_slot 0.01;
		1484
986	$pl->save_pl ($path);	1485	$pl->save_pl ($path);
987	Coro::cede;	1486	cf::cede_to_tick;
988	}	1487	}
989		1488
990	sub new($) {	1489	sub new($) {
991	my ($login) = @_;	1490	my ($login) = @_;
992		1491
…		…
998	$cf::PLAYER{$login} = $self;	1497	$cf::PLAYER{$login} = $self;
999		1498
1000	$self	1499	$self
1001	}	1500	}
1002		1501
		1502	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1503
		1504	=cut
		1505
		1506	sub send_msg {
		1507	my $ns = shift->ns
		1508	or return;
		1509	$ns->send_msg (@_);
		1510	}
		1511
1003	=item $pl->quit_character	1512	=item $pl->quit_character
1004		1513
1005	Nukes the player without looking back. If logged in, the connection will	1514	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1515	be destroyed. May block for a long time.
1007		1516
1008	=cut	1517	=cut
1009		1518
1010	sub quit_character {	1519	sub quit_character {
1011	my ($pl) = @_;	1520	my ($pl) = @_;
1012		1521
		1522	my $name = $pl->ob->name;
		1523
1013	$pl->{deny_save} = 1;	1524	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1525	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1526
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1527	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017	$pl->deactivate;	1528	$pl->deactivate;
		1529	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
		1530	$pl->ob->check_score;
1018	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1531	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1019	$pl->ns->destroy if $pl->ns;	1532	$pl->ns->destroy if $pl->ns;
1020		1533
1021	my $path = playerdir $pl;	1534	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1535	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1536	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1537	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1538	$pl->destroy;
		1539
		1540	my $prefix = qr<^~\Q$name\E/>;
		1541
		1542	# nuke player maps
		1543	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1544
1026	IO::AIO::aio_rmtree $temp;	1545	IO::AIO::aio_rmtree $temp;
		1546	}
		1547
		1548	=item $pl->kick
		1549
		1550	Kicks a player out of the game. This destroys the connection.
		1551
		1552	=cut
		1553
		1554	sub kick {
		1555	my ($pl, $kicker) = @_;
		1556
		1557	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1558	$pl->killer ("kicked");
		1559	$pl->ns->destroy;
1027	}	1560	}
1028		1561
1029	=item cf::player::list_logins	1562	=item cf::player::list_logins
1030		1563
1031	Returns am arrayref of all valid playernames in the system, can take a	1564	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1565	while and may block, so not sync_job-capable, ever.
1033		1566
1034	=cut	1567	=cut
1035		1568
1036	sub list_logins {	1569	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1570	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1571	or return [];
1039		1572
1040	my @logins;	1573	my @logins;
1041		1574
1042	for my $login (@$dirs) {	1575	for my $login (@$dirs) {
		1576	my $path = path $login;
		1577
		1578	# a .pst is a dead give-away for a valid player
		1579	# if no pst file found, open and chekc for blocked users
		1580	if (aio_stat "$path.pst") {
1043	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1581	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1044	aio_read $fh, 0, 512, my $buf, 0 or next;	1582	aio_read $fh, 0, 512, my $buf, 0 or next;
1045	$buf !~ /^password -------------$/m or next; # official not-valid tag	1583	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1584	}
1046		1585
1047	utf8::decode $login;	1586	utf8::decode $login;
1048	push @logins, $login;	1587	push @logins, $login;
1049	}	1588	}
1050		1589
…		…
1058		1597
1059	=cut	1598	=cut
1060		1599
1061	sub maps($) {	1600	sub maps($) {
1062	my ($pl) = @_;	1601	my ($pl) = @_;
		1602
		1603	$pl = ref $pl ? $pl->ob->name : $pl;
1063		1604
1064	my $files = aio_readdir playerdir $pl	1605	my $files = aio_readdir playerdir $pl
1065	or return;	1606	or return;
1066		1607
1067	my @paths;	1608	my @paths;
…		…
1069	for (@$files) {	1610	for (@$files) {
1070	utf8::decode $_;	1611	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1612	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1613	next unless /^$PATH_SEP/o;
1073		1614
1074	s/\.map$//;	1615	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1616	}
1077		1617
1078	\@paths	1618	\@paths
1079	}	1619	}
1080		1620
		1621	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1622
		1623	Expand crossfire pod fragments into protocol xml.
		1624
		1625	=cut
		1626
		1627	use re 'eval';
		1628
		1629	my $group;
		1630	my $interior; $interior = qr{
		1631	# match a pod interior sequence sans C<< >>
		1632	(?:
		1633	\ (.*?)\ (?{ $group = $^N })
		1634	| < (??{$interior}) >
		1635	)
		1636	}x;
		1637
		1638	sub expand_cfpod {
		1639	my ($self, $pod) = @_;
		1640
		1641	my $xml;
		1642
		1643	while () {
		1644	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1645	$group = $1;
		1646
		1647	$group =~ s/&/&amp;/g;
		1648	$group =~ s/</&lt;/g;
		1649
		1650	$xml .= $group;
		1651	} elsif ($pod =~ m%\G
		1652	([BCGHITU])
		1653	<
		1654	(?:
		1655	([^<>]*) (?{ $group = $^N })
		1656	| < $interior >
		1657	)
		1658	>
		1659	%gcsx
		1660	) {
		1661	my ($code, $data) = ($1, $group);
		1662
		1663	if ($code eq "B") {
		1664	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1665	} elsif ($code eq "I") {
		1666	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1667	} elsif ($code eq "U") {
		1668	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1669	} elsif ($code eq "C") {
		1670	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1671	} elsif ($code eq "T") {
		1672	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1673	} elsif ($code eq "G") {
		1674	my ($male, $female) = split /\|/, $data;
		1675	$data = $self->gender ? $female : $male;
		1676	$xml .= expand_cfpod ($self, $data);
		1677	} elsif ($code eq "H") {
		1678	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1679	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1680	"")
		1681	[$self->{hintmode}];
		1682	} else {
		1683	$xml .= "error processing '$code($data)' directive";
		1684	}
		1685	} else {
		1686	if ($pod =~ /\G(.+)/) {
		1687	warn "parse error while expanding $pod (at $1)";
		1688	}
		1689	last;
		1690	}
		1691	}
		1692
		1693	for ($xml) {
		1694	# create single paragraphs (very hackish)
		1695	s/(?<=\S)\n(?=\w)/ /g;
		1696
		1697	# compress some whitespace
		1698	s/\s+\n/\n/g; # ws line-ends
		1699	s/\n\n+/\n/g; # double lines
		1700	s/^\n+//; # beginning lines
		1701	s/\n+$//; # ending lines
		1702	}
		1703
		1704	$xml
		1705	}
		1706
		1707	no re 'eval';
		1708
		1709	sub hintmode {
		1710	$_[0]{hintmode} = $_[1] if @_ > 1;
		1711	$_[0]{hintmode}
		1712	}
		1713
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1714	=item $player->ext_reply ($msgid, @msg)
1082		1715
1083	Sends an ext reply to the player.	1716	Sends an ext reply to the player.
1084		1717
1085	=cut	1718	=cut
1086		1719
1087	sub ext_reply($$$%) {	1720	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1721	my ($self, $id, @msg) = @_;
1089		1722
1090	$msg{msgid} = $id;	1723	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1724	}
1094		1725
1095	package cf;	1726	=item $player->ext_msg ($type, @msg)
		1727
		1728	Sends an ext event to the client.
		1729
		1730	=cut
		1731
		1732	sub ext_msg($$@) {
		1733	my ($self, $type, @msg) = @_;
		1734
		1735	$self->ns->ext_msg ($type, @msg);
		1736	}
		1737
		1738	=head3 cf::region
		1739
		1740	=over 4
		1741
		1742	=cut
		1743
		1744	package cf::region;
		1745
		1746	=item cf::region::find_by_path $path
		1747
		1748	Tries to decuce the likely region for a map knowing only its path.
		1749
		1750	=cut
		1751
		1752	sub find_by_path($) {
		1753	my ($path) = @_;
		1754
		1755	my ($match, $specificity);
		1756
		1757	for my $region (list) {
		1758	if ($region->{match} && $path =~ $region->{match}) {
		1759	($match, $specificity) = ($region, $region->specificity)
		1760	if $region->specificity > $specificity;
		1761	}
		1762	}
		1763
		1764	$match
		1765	}
1096		1766
1097	=back	1767	=back
1098
1099		1768
1100	=head3 cf::map	1769	=head3 cf::map
1101		1770
1102	=over 4	1771	=over 4
1103		1772
…		…
1107		1776
1108	use Fcntl;	1777	use Fcntl;
1109	use Coro::AIO;	1778	use Coro::AIO;
1110		1779
1111	use overload	1780	use overload
1112	'""' => \&as_string;	1781	'""' => \&as_string,
		1782	fallback => 1;
1113		1783
1114	our $MAX_RESET = 3600;	1784	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1785	our $DEFAULT_RESET = 3000;
1116		1786
1117	sub generate_random_map {	1787	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1788	my ($self, $rmp) = @_;
		1789
		1790	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1119		1791
1120	# mit "rum" bekleckern, nicht	1792	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1793	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1794	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1795	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1803	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1804	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1805	)
1134	}	1806	}
1135		1807
		1808	=item cf::map->register ($regex, $prio)
		1809
		1810	Register a handler for the map path matching the given regex at the
		1811	givne priority (higher is better, built-in handlers have priority 0, the
		1812	default).
		1813
		1814	=cut
		1815
1136	sub register {	1816	sub register {
1137	my (undef, $regex) = @_;	1817	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1818	my $pkg = caller;
1139		1819
1140	no strict;	1820	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1821	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1822
1143	$EXT_MAP{$pkg} = qr<$regex>;	1823	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1824	}
1145		1825
1146	# also paths starting with '/'	1826	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1827	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1828
		1829	sub thawer_merge {
		1830	my ($self, $merge) = @_;
		1831
		1832	# we have to keep some variables in memory intact
		1833	local $self->{path};
		1834	local $self->{load_path};
		1835
		1836	$self->SUPER::thawer_merge ($merge);
		1837	}
1148		1838
1149	sub normalise {	1839	sub normalise {
1150	my ($path, $base) = @_;	1840	my ($path, $base) = @_;
		1841
		1842	$path = "$path"; # make sure its a string
		1843
		1844	$path =~ s/\.map$//;
1151		1845
1152	# map plan:	1846	# map plan:
1153	#	1847	#
1154	# /! non-realised random map exit (special hack!)	1848	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1849	# {... are special paths that are not being touched
…		…
1183		1877
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1878	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1879
1186	$path = normalise $path, $base;	1880	$path = normalise $path, $base;
1187		1881
1188	for my $pkg (keys %EXT_MAP) {	1882	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1883	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1884	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1885	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1886	$self->init; # pass $1 etc.
1193	return $self;	1887	return $self;
1194	}	1888	}
1195	}	1889	}
1196		1890
1197	Carp::carp "unable to resolve path '$path'.";	1891	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1892	()
1199	}	1893	}
1200		1894
1201	sub init {	1895	sub init {
1202	my ($self) = @_;	1896	my ($self) = @_;
…		…
1217		1911
1218	# the original (read-only) location	1912	# the original (read-only) location
1219	sub load_path {	1913	sub load_path {
1220	my ($self) = @_;	1914	my ($self) = @_;
1221		1915
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1916	"$MAPDIR/$self->{path}.map"
1223	}	1917	}
1224		1918
1225	# the temporary/swap location	1919	# the temporary/swap location
1226	sub save_path {	1920	sub save_path {
1227	my ($self) = @_;	1921	my ($self) = @_;
1228		1922
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1923	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1924	"$TMPDIR/$path.map"
1231	}	1925	}
1232		1926
1233	# the unique path, undef == no special unique path	1927	# the unique path, undef == no special unique path
1234	sub uniq_path {	1928	sub uniq_path {
1235	my ($self) = @_;	1929	my ($self) = @_;
1236		1930
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1931	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1932	"$UNIQUEDIR/$path"
1239	}	1933	}
1240		1934
1241	# and all this just because we cannot iterate over	1935	# and all this just because we cannot iterate over
1242	# all maps in C++...	1936	# all maps in C++...
1243	sub change_all_map_light {	1937	sub change_all_map_light {
…		…
1245		1939
1246	$_->change_map_light ($change)	1940	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1941	for grep $_->outdoor, values %cf::MAP;
1248	}	1942	}
1249		1943
		1944	sub decay_objects {
		1945	my ($self) = @_;
		1946
		1947	return if $self->{deny_reset};
		1948
		1949	$self->do_decay_objects;
		1950	}
		1951
1250	sub unlink_save {	1952	sub unlink_save {
1251	my ($self) = @_;	1953	my ($self) = @_;
1252		1954
1253	utf8::encode (my $save = $self->save_path);	1955	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1956	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1957	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1958	}
1257		1959
1258	sub load_header_from($) {	1960	sub load_header_from($) {
1259	my ($self, $path) = @_;	1961	my ($self, $path) = @_;
1260		1962
1261	utf8::encode $path;	1963	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1964	my $f = new_from_file cf::object::thawer $path
1263	or return;	1965	or return;
1264		1966
1265	$self->_load_header ($path)	1967	$self->_load_header ($f)
1266	or return;	1968	or return;
1267		1969
		1970	local $MAP_LOADING{$self->{path}} = $self;
		1971	$f->resolve_delayed_derefs;
		1972
1268	$self->{load_path} = $path;	1973	$self->{load_path} = $path;
1269		1974
1270	1	1975	1
1271	}	1976	}
1272		1977
1273	sub load_orig {	1978	sub load_header_orig {
1274	my ($self) = @_;	1979	my ($self) = @_;
1275		1980
1276	$self->load_header_from ($self->load_path)	1981	$self->load_header_from ($self->load_path)
1277	}	1982	}
1278		1983
1279	sub load_temp {	1984	sub load_header_temp {
1280	my ($self) = @_;	1985	my ($self) = @_;
1281		1986
1282	$self->load_header_from ($self->save_path)	1987	$self->load_header_from ($self->save_path)
		1988	}
		1989
		1990	sub prepare_temp {
		1991	my ($self) = @_;
		1992
		1993	$self->last_access ((delete $self->{last_access})
		1994	|| $cf::RUNTIME); #d#
		1995	# safety
		1996	$self->{instantiate_time} = $cf::RUNTIME
		1997	if $self->{instantiate_time} > $cf::RUNTIME;
		1998	}
		1999
		2000	sub prepare_orig {
		2001	my ($self) = @_;
		2002
		2003	$self->{load_original} = 1;
		2004	$self->{instantiate_time} = $cf::RUNTIME;
		2005	$self->last_access ($cf::RUNTIME);
		2006	$self->instantiate;
1283	}	2007	}
1284		2008
1285	sub load_header {	2009	sub load_header {
1286	my ($self) = @_;	2010	my ($self) = @_;
1287		2011
1288	if ($self->load_temp) {	2012	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	2013	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	2014	} else {
1295	$self->load_orig	2015	$self->load_header_orig
1296	or return;	2016	or return;
1297		2017	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	2018	}
		2019
		2020	$self->{deny_reset} = 1
		2021	if $self->no_reset;
		2022
		2023	$self->default_region (cf::region::find_by_path $self->{path})
		2024	unless $self->default_region;
1303		2025
1304	1	2026	1
1305	}	2027	}
1306		2028
1307	sub find;	2029	sub find;
1308	sub find {	2030	sub find {
1309	my ($path, $origin) = @_;	2031	my ($path, $origin) = @_;
1310		2032
1311	$path = normalise $path, $origin && $origin->path;	2033	$path = normalise $path, $origin && $origin->path;
1312		2034
		2035	cf::lock_wait "map_data:$path";#d#remove
1313	cf::lock_wait "map_find:$path";	2036	cf::lock_wait "map_find:$path";
1314		2037
1315	$cf::MAP{$path} || do {	2038	$cf::MAP{$path} || do {
		2039	my $guard1 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1316	my $guard = cf::lock_acquire "map_find:$path";	2040	my $guard2 = cf::lock_acquire "map_find:$path";
		2041
1317	my $map = new_from_path cf::map $path	2042	my $map = new_from_path cf::map $path
1318	or return;	2043	or return;
1319		2044
1320	$map->{last_save} = $cf::RUNTIME;	2045	$map->{last_save} = $cf::RUNTIME;
1321		2046
1322	$map->load_header	2047	$map->load_header
1323	or return;	2048	or return;
1324		2049
1325	if ($map->should_reset) {	2050	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2051	# doing this can freeze the server in a sync job, obviously
		2052	#$cf::WAIT_FOR_TICK->wait;
		2053	undef $guard2;
		2054	undef $guard1;
1326	$map->reset;	2055	$map->reset;
1327	undef $guard;
1328	$map = find $path	2056	return find $path;
1329	or return;
1330	}	2057	}
1331		2058
1332	$cf::MAP{$path} = $map	2059	$cf::MAP{$path} = $map
1333	}	2060	}
1334	}	2061	}
		2062
		2063	sub pre_load { }
		2064	sub post_load { }
1335		2065
1336	sub load {	2066	sub load {
1337	my ($self) = @_;	2067	my ($self) = @_;
1338		2068
		2069	local $self->{deny_reset} = 1; # loading can take a long time
		2070
1339	my $path = $self->{path};	2071	my $path = $self->{path};
		2072
		2073	{
1340	my $guard = cf::lock_acquire "map_load:$path";	2074	my $guard = cf::lock_acquire "map_data:$path";
1341		2075
		2076	return unless $self->valid;
1342	return if $self->in_memory != cf::MAP_SWAPPED;	2077	return unless $self->in_memory == cf::MAP_SWAPPED;
1343		2078
1344	$self->in_memory (cf::MAP_LOADING);	2079	$self->in_memory (cf::MAP_LOADING);
1345		2080
1346	$self->alloc;	2081	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)	2082
		2083	$self->pre_load;
		2084	cf::cede_to_tick;
		2085
		2086	my $f = new_from_file cf::object::thawer $self->{load_path};
		2087	$f->skip_block;
		2088	$self->_load_objects ($f)
1348	or return;	2089	or return;
1349		2090
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2091	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	2092	if delete $self->{load_original};
1352		2093
1353	if (my $uniq = $self->uniq_path) {	2094	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	2095	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	2096	unless (aio_stat $uniq) {
		2097	if (my $f = new_from_file cf::object::thawer $uniq) {
1356	$self->clear_unique_items;	2098	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	2099	$self->_load_objects ($f);
		2100	$f->resolve_delayed_derefs;
		2101	}
1358	}	2102	}
1359	}	2103	}
1360		2104
1361	Coro::cede;	2105	$f->resolve_delayed_derefs;
1362		2106
		2107	cf::cede_to_tick;
1363	# now do the right thing for maps	2108	# now do the right thing for maps
1364	$self->link_multipart_objects;	2109	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	2110	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	2111	unless $self->difficulty;
1374	Coro::cede;	2112	cf::cede_to_tick;
		2113
		2114	unless ($self->{deny_activate}) {
		2115	$self->decay_objects;
		2116	$self->fix_auto_apply;
		2117	$self->update_buttons;
		2118	cf::cede_to_tick;
		2119	$self->set_darkness_map;
		2120	cf::cede_to_tick;
1375	$self->activate;	2121	$self->activate;
1376	}	2122	}
1377		2123
		2124	$self->{last_save} = $cf::RUNTIME;
		2125	$self->last_access ($cf::RUNTIME);
		2126
1378	$self->in_memory (cf::MAP_IN_MEMORY);	2127	$self->in_memory (cf::MAP_ACTIVE);
		2128	}
		2129
		2130	$self->post_load;
1379	}	2131	}
1380		2132
1381	sub customise_for {	2133	sub customise_for {
1382	my ($self, $ob) = @_;	2134	my ($self, $ob) = @_;
1383		2135
1384	return find "~" . $ob->name . "/" . $self->{path}	2136	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	2137	if $self->per_player;
1386		2138
		2139	# return find "?party/" . $ob->name . "/" . $self->{path}
		2140	# if $self->per_party;
		2141
1387	$self	2142	$self
1388	}	2143	}
1389		2144
1390	# find and load all maps in the 3x3 area around a map	2145	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	2146	sub load_neighbours {
1392	my ($map) = @_;	2147	my ($map) = @_;
1393		2148
1394	my @diag; # diagonal neighbours	2149	my @neigh; # diagonal neighbours
1395		2150
1396	for (0 .. 3) {	2151	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	2152	my $neigh = $map->tile_path ($_)
1398	or next;	2153	or next;
1399	$neigh = find $neigh, $map	2154	$neigh = find $neigh, $map
1400	or next;	2155	or next;
1401	$neigh->load;	2156	$neigh->load;
1402		2157
		2158	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2159	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2160	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	2161	}
1406		2162
1407	for (@diag) {	2163	for (grep defined $_->[0], @neigh) {
		2164	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	2165	my $neigh = find $path, $origin
1409	or next;	2166	or next;
1410	$neigh->load;	2167	$neigh->load;
1411	}	2168	}
1412	}	2169	}
1413		2170
…		…
1418	}	2175	}
1419		2176
1420	sub do_load_sync {	2177	sub do_load_sync {
1421	my ($map) = @_;	2178	my ($map) = @_;
1422		2179
		2180	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2181	if $Coro::current == $Coro::main;
		2182
1423	cf::sync_job { $map->load };	2183	cf::sync_job { $map->load };
1424	}	2184	}
1425		2185
1426	our %MAP_PREFETCH;	2186	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	2187	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		2188
1440	sub find_async {	2189	sub find_async {
1441	my ($path, $origin) = @_;	2190	my ($path, $origin, $load) = @_;
1442		2191
1443	$path = normalise $path, $origin && $origin->{path};	2192	$path = normalise $path, $origin && $origin->{path};
1444		2193
1445	if (my $map = $cf::MAP{$path}) {	2194	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2195	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2196	}
		2197
		2198	$MAP_PREFETCH{$path} |= $load;
		2199
		2200	$MAP_PREFETCHER ||= cf::async {
		2201	$Coro::current->{desc} = "map prefetcher";
		2202
		2203	while (%MAP_PREFETCH) {
		2204	while (my ($k, $v) = each %MAP_PREFETCH) {
		2205	if (my $map = find $k) {
		2206	$map->load if $v;
		2207	}
		2208
		2209	delete $MAP_PREFETCH{$k};
		2210	}
		2211	}
		2212	undef $MAP_PREFETCHER;
1447	}	2213	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	2214	$MAP_PREFETCHER->prio (6);
1451		2215
1452	()	2216	()
1453	}	2217	}
1454		2218
1455	sub save {	2219	sub save {
1456	my ($self) = @_;	2220	my ($self) = @_;
1457		2221
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	2222	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		2223
1460	$self->{last_save} = $cf::RUNTIME;	2224	$self->{last_save} = $cf::RUNTIME;
1461		2225
1462	return unless $self->dirty;	2226	return unless $self->dirty;
1463		2227
…		…
1469	return if $self->{deny_save};	2233	return if $self->{deny_save};
1470		2234
1471	local $self->{last_access} = $self->last_access;#d#	2235	local $self->{last_access} = $self->last_access;#d#
1472		2236
1473	cf::async {	2237	cf::async {
		2238	$Coro::current->{desc} = "map player save";
1474	$_->contr->save for $self->players;	2239	$_->contr->save for $self->players;
1475	};	2240	};
		2241
		2242	cf::get_slot 0.02;
1476		2243
1477	if ($uniq) {	2244	if ($uniq) {
1478	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2245	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1479	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2246	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1480	} else {	2247	} else {
…		…
1486	my ($self) = @_;	2253	my ($self) = @_;
1487		2254
1488	# save first because save cedes	2255	# save first because save cedes
1489	$self->save;	2256	$self->save;
1490		2257
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2259
1493	return if $self->players;	2260	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2261	return if $self->in_memory != cf::MAP_ACTIVE;
1495	return if $self->{deny_save};	2262	return if $self->{deny_save};
1496		2263
		2264	$self->in_memory (cf::MAP_SWAPPED);
		2265
		2266	$self->deactivate;
		2267	$_->clear_links_to ($self) for values %cf::MAP;
1497	$self->clear;	2268	$self->clear;
1498	$self->in_memory (cf::MAP_SWAPPED);
1499	}	2269	}
1500		2270
1501	sub reset_at {	2271	sub reset_at {
1502	my ($self) = @_;	2272	my ($self) = @_;
1503		2273
1504	# TODO: safety, remove and allow resettable per-player maps	2274	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2275	return 1e99 if $self->{deny_reset};
1507		2276
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2277	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2278	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2279
…		…
1515	my ($self) = @_;	2284	my ($self) = @_;
1516		2285
1517	$self->reset_at <= $cf::RUNTIME	2286	$self->reset_at <= $cf::RUNTIME
1518	}	2287	}
1519		2288
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2289	sub reset {
1535	my ($self) = @_;	2290	my ($self) = @_;
1536		2291
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2292	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2293
1539	return if $self->players;	2294	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2295
1542	warn "resetting map ", $self->path;#d#	2296	warn "resetting map ", $self->path;
		2297
		2298	$self->in_memory (cf::MAP_SWAPPED);
		2299
		2300	# need to save uniques path
		2301	unless ($self->{deny_save}) {
		2302	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2303
		2304	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2305	if $uniq;
		2306	}
1543		2307
1544	delete $cf::MAP{$self->path};	2308	delete $cf::MAP{$self->path};
1545		2309
1546	$self->in_memory (cf::MAP_SWAPPED);	2310	$self->deactivate;
		2311	$_->clear_links_to ($self) for values %cf::MAP;
1547	$self->clear;	2312	$self->clear;
1548
1549	$_->clear_links_to ($self) for values %cf::MAP;
1550		2313
1551	$self->unlink_save;	2314	$self->unlink_save;
1552	$self->destroy;	2315	$self->destroy;
1553	}	2316	}
1554		2317
1555	my $nuke_counter = "aaaa";	2318	my $nuke_counter = "aaaa";
1556		2319
1557	sub nuke {	2320	sub nuke {
1558	my ($self) = @_;	2321	my ($self) = @_;
1559		2322
		2323	{
		2324	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2325
		2326	delete $cf::MAP{$self->path};
		2327
		2328	$self->unlink_save;
		2329
		2330	bless $self, "cf::map";
		2331	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2332	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2333	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2334	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2335
		2336	$cf::MAP{$self->path} = $self;
		2337	}
		2338
1563	$self->reset; # polite request, might not happen	2339	$self->reset; # polite request, might not happen
		2340	}
		2341
		2342	=item $maps = cf::map::tmp_maps
		2343
		2344	Returns an arrayref with all map paths of currently instantiated and saved
		2345	maps. May block.
		2346
		2347	=cut
		2348
		2349	sub tmp_maps() {
		2350	[
		2351	map {
		2352	utf8::decode $_;
		2353	/\.map$/
		2354	? normalise $_
		2355	: ()
		2356	} @{ aio_readdir $TMPDIR or [] }
		2357	]
		2358	}
		2359
		2360	=item $maps = cf::map::random_maps
		2361
		2362	Returns an arrayref with all map paths of currently instantiated and saved
		2363	random maps. May block.
		2364
		2365	=cut
		2366
		2367	sub random_maps() {
		2368	[
		2369	map {
		2370	utf8::decode $_;
		2371	/\.map$/
		2372	? normalise "?random/$_"
		2373	: ()
		2374	} @{ aio_readdir $RANDOMDIR or [] }
		2375	]
1564	}	2376	}
1565		2377
1566	=item cf::map::unique_maps	2378	=item cf::map::unique_maps
1567		2379
1568	Returns an arrayref of paths of all shared maps that have	2380	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2381	instantiated unique items. May block.
1570		2382
1571	=cut	2383	=cut
1572		2384
1573	sub unique_maps() {	2385	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2386	[
1575	or return;	2387	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2388	utf8::decode $_;
1581	next if /\.pst$/;	2389	s/\.map$//; # TODO future compatibility hack
1582	next unless /^$PATH_SEP/o;	2390	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1583		2391	? ()
1584	s/\.map$//;	2392	: normalise $_
1585	push @paths, $_;	2393	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2394	]
1587
1588	\@paths
1589	}	2395	}
1590
1591	package cf;
1592		2396
1593	=back	2397	=back
1594		2398
1595	=head3 cf::object	2399	=head3 cf::object
1596		2400
…		…
1600		2404
1601	=over 4	2405	=over 4
1602		2406
1603	=item $ob->inv_recursive	2407	=item $ob->inv_recursive
1604		2408
1605	Returns the inventory of the object _and_ their inventories, recursively.	2409	Returns the inventory of the object I<and> their inventories, recursively,
		2410	but I<not> the object itself.
1606		2411
1607	=cut	2412	=cut
1608		2413
1609	sub inv_recursive_;	2414	sub inv_recursive_;
1610	sub inv_recursive_ {	2415	sub inv_recursive_ {
…		…
1613		2418
1614	sub inv_recursive {	2419	sub inv_recursive {
1615	inv_recursive_ inv $_[0]	2420	inv_recursive_ inv $_[0]
1616	}	2421	}
1617		2422
		2423	=item $ref = $ob->ref
		2424
		2425	Creates and returns a persistent reference to an object that can be stored as a string.
		2426
		2427	=item $ob = cf::object::deref ($refstring)
		2428
		2429	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2430	even if the object actually exists. May block.
		2431
		2432	=cut
		2433
		2434	sub deref {
		2435	my ($ref) = @_;
		2436
		2437	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2438	my ($uuid, $name) = ($1, $2);
		2439	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2440	or return;
		2441	$pl->ob->uuid eq $uuid
		2442	or return;
		2443
		2444	$pl->ob
		2445	} else {
		2446	warn "$ref: cannot resolve object reference\n";
		2447	undef
		2448	}
		2449	}
		2450
1618	package cf;	2451	package cf;
1619		2452
1620	=back	2453	=back
1621		2454
1622	=head3 cf::object::player	2455	=head3 cf::object::player
…		…
1628	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2461	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1629	can be C<undef>. Does the right thing when the player is currently in a	2462	can be C<undef>. Does the right thing when the player is currently in a
1630	dialogue with the given NPC character.	2463	dialogue with the given NPC character.
1631		2464
1632	=cut	2465	=cut
		2466
		2467	our $SAY_CHANNEL = {
		2468	id => "say",
		2469	title => "Map",
		2470	reply => "say ",
		2471	tooltip => "Things said to and replied from npcs near you and other players on the same map only.",
		2472	};
		2473
		2474	our $CHAT_CHANNEL = {
		2475	id => "chat",
		2476	title => "Chat",
		2477	reply => "chat ",
		2478	tooltip => "Player chat and shouts, global to the server.",
		2479	};
1633		2480
1634	# rough implementation of a future "reply" method that works	2481	# rough implementation of a future "reply" method that works
1635	# with dialog boxes.	2482	# with dialog boxes.
1636	#TODO: the first argument must go, split into a $npc->reply_to ( method	2483	#TODO: the first argument must go, split into a $npc->reply_to ( method
1637	sub cf::object::player::reply($$$;$) {	2484	sub cf::object::player::reply($$$;$) {
…		…
1639		2486
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2487	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2488
1642	if ($self->{record_replies}) {	2489	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2490	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2491
1644	} else {	2492	} else {
		2493	my $pl = $self->contr;
		2494
		2495	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2496	my $dialog = $pl->{npc_dialog};
		2497	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2498
		2499	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2500	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2501	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2502	}
1647	}	2503	}
		2504	}
		2505
		2506	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	=cut
		2509
		2510	sub cf::object::send_msg {
		2511	my $pl = shift->contr
		2512	or return;
		2513	$pl->send_msg (@_);
1648	}	2514	}
1649		2515
1650	=item $player_object->may ("access")	2516	=item $player_object->may ("access")
1651		2517
1652	Returns wether the given player is authorized to access resource "access"	2518	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2550	=cut
1685		2551
1686	sub link_map {	2552	sub link_map {
1687	unless ($LINK_MAP) {	2553	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2554	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2555	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2556	$LINK_MAP->load;
1691	}	2557	}
1692		2558
1693	$LINK_MAP	2559	$LINK_MAP
1694	}	2560	}
…		…
1699	$self->deactivate_recursive;	2565	$self->deactivate_recursive;
1700		2566
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2567	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2568
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2569	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2570	if $self->map && $self->map->{path} ne "{link}";
1705		2571
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2572	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2573	}
1708		2574
1709	sub cf::object::player::leave_link {	2575	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2576	my ($self, $map, $x, $y) = @_;
		2577
		2578	return unless $self->contr->active;
1711		2579
1712	my $link_pos = delete $self->{_link_pos};	2580	my $link_pos = delete $self->{_link_pos};
1713		2581
1714	unless ($map) {	2582	unless ($map) {
1715	# restore original map position	2583	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2597	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2598	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2599	if $x <=0 && $y <= 0;
1732		2600
1733	$map->load;	2601	$map->load;
1734	$map->load_diag;	2602	$map->load_neighbours;
1735		2603
1736	return unless $self->contr->active;	2604	return unless $self->contr->active;
1737	$self->activate_recursive;	2605	$self->activate_recursive;
		2606
		2607	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2608	$self->enter_map ($map, $x, $y);
1739	}	2609	}
1740		2610
1741	cf::player->attach (	2611	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2612
1745	# abort map switching before logout	2613	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2614	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2615	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2616	the new (success) or old (failed) map position. In either case, $done will
1749	};	2617	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2618
1755	# try to abort aborted map switching on player login :)	2619	Note that $check will be called with a potentially non-loaded map, so if
1756	# should happen only on crashes	2620	it needs a loaded map it has to call C<< ->load >>.
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772		2621
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2622	=cut
		2623
		2624	our $GOTOGEN;
1776		2625
1777	sub cf::object::player::goto {	2626	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2627	my ($self, $path, $x, $y, $check, $done) = @_;
		2628
		2629	# do generation counting so two concurrent goto's will be executed in-order
		2630	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2631
1780	$self->enter_link;	2632	$self->enter_link;
1781		2633
1782	(async {	2634	(async {
1783	my $map = cf::map::find $path;	2635	$Coro::current->{desc} = "player::goto $path $x $y";
		2636
		2637	# *tag paths override both path and x|y
		2638	if ($path =~ /^\*(.*)$/) {
		2639	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2640	my $ob = $obs[rand @obs];
		2641
		2642	# see if we actually can go there
		2643	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2644	$ob = $obs[rand @obs];
		2645	} else {
		2646	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2647	}
		2648	# else put us there anyways for now #d#
		2649
		2650	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2651	} else {
		2652	($path, $x, $y) = (undef, undef, undef);
		2653	}
		2654	}
		2655
		2656	my $map = eval {
		2657	my $map = defined $path ? cf::map::find $path : undef;
		2658
		2659	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2660	$map = $map->customise_for ($self);
1785		2661	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2662	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2663	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2664	}
1790		2665
		2666	$map
		2667	};
		2668
		2669	if ($@) {
		2670	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2671	LOG llevError | logBacktrace, Carp::longmess $@;
		2672	}
		2673
		2674	if ($gen == $self->{_goto_generation}) {
		2675	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2676	$self->leave_link ($map, $x, $y);
		2677	}
		2678
		2679	$done->() if $done;
1792	})->prio (1);	2680	})->prio (1);
1793	}	2681	}
1794		2682
1795	=item $player_object->enter_exit ($exit_object)	2683	=item $player_object->enter_exit ($exit_object)
1796		2684
…		…
1798		2686
1799	sub parse_random_map_params {	2687	sub parse_random_map_params {
1800	my ($spec) = @_;	2688	my ($spec) = @_;
1801		2689
1802	my $rmp = { # defaults	2690	my $rmp = { # defaults
1803	xsize => 10,	2691	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2692	ysize => (cf::rndm 15, 40),
		2693	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2694	#layout => string,
1805	};	2695	};
1806		2696
1807	for (split /\n/, $spec) {	2697	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2698	my ($k, $v) = split /\s+/, $_, 2;
1809		2699
…		…
1821	# that depends on the exit object	2711	# that depends on the exit object
1822		2712
1823	my $rmp = parse_random_map_params $exit->msg;	2713	my $rmp = parse_random_map_params $exit->msg;
1824		2714
1825	if ($exit->map) {	2715	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2716	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2717	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2718	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2719	$rmp->{origin_y} = $exit->y;
		2720
		2721	$exit->map->touch;
1830	}	2722	}
1831		2723
1832	$rmp->{random_seed} ||= $exit->random_seed;	2724	$rmp->{random_seed} ||= $exit->random_seed;
1833		2725
1834	my $data = cf::to_json $rmp;	2726	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1835	my $md5 = Digest::MD5::md5_hex $data;	2727	my $md5 = Digest::MD5::md5_hex $data;
		2728	my $meta = "$RANDOMDIR/$md5.meta";
1836		2729
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2730	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2731	aio_write $fh, 0, (length $data), $data, 0;
		2732	undef $fh;
		2733	aio_rename "$meta~", $meta;
1839		2734
		2735	my $slaying = "?random/$md5";
		2736
		2737	if ($exit->valid) {
1840	$exit->slaying ("?random/$md5");	2738	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2739	$exit->msg (undef);
		2740	}
1842	}	2741	}
1843	}	2742	}
1844		2743
1845	sub cf::object::player::enter_exit {	2744	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2745	my ($self, $exit) = @_;
…		…
1848	return unless $self->type == cf::PLAYER;	2747	return unless $self->type == cf::PLAYER;
1849		2748
1850	$self->enter_link;	2749	$self->enter_link;
1851		2750
1852	(async {	2751	(async {
1853	$self->deactivate_recursive; # just to be sure	2752	$Coro::current->{desc} = "enter_exit";
		2753
1854	unless (eval {	2754	unless (eval {
		2755	$self->deactivate_recursive; # just to be sure
		2756
		2757	# random map handling
		2758	{
		2759	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2760
1855	prepare_random_map $exit	2761	prepare_random_map $exit
1856	if $exit->slaying eq "/!";	2762	if $exit->slaying eq "/!";
		2763	}
1857		2764
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2765	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2766	my $x = $exit->stats->hp;
		2767	my $y = $exit->stats->sp;
1860		2768
		2769	$self->goto ($map, $x, $y);
		2770
		2771	# if exit is damned, update players death & WoR home-position
		2772	$self->contr->savebed ($map, $x, $y)
		2773	if $exit->flag (cf::FLAG_DAMNED);
		2774
1861	1;	2775	1
1862	}) {	2776	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2777	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2778	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2779	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2780	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2781
1868	warn "ERROR in enter_exit: $@";	2782	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2783	$self->leave_link;
1870	}	2784	}
1871	})->prio (1);	2785	})->prio (1);
…		…
1884		2798
1885	sub cf::client::send_drawinfo {	2799	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2800	my ($self, $text, $flags) = @_;
1887		2801
1888	utf8::encode $text;	2802	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2803	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2804	}
1891		2805
		2806	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2807
		2808	Send a drawinfo or msg packet to the client, formatting the msg for the
		2809	client if neccessary. C<$type> should be a string identifying the type of
		2810	the message, with C<log> being the default. If C<$color> is negative, suppress
		2811	the message unless the client supports the msg packet.
		2812
		2813	=cut
		2814
		2815	# non-persistent channels (usually the info channel)
		2816	our %CHANNEL = (
		2817	"c/identify" => {
		2818	id => "infobox",
		2819	title => "Identify",
		2820	reply => undef,
		2821	tooltip => "Items recently identified",
		2822	},
		2823	"c/examine" => {
		2824	id => "infobox",
		2825	title => "Examine",
		2826	reply => undef,
		2827	tooltip => "Signs and other items you examined",
		2828	},
		2829	"c/book" => {
		2830	id => "infobox",
		2831	title => "Book",
		2832	reply => undef,
		2833	tooltip => "The contents of a note or book",
		2834	},
		2835	"c/lookat" => {
		2836	id => "infobox",
		2837	title => "Look",
		2838	reply => undef,
		2839	tooltip => "What you saw there",
		2840	},
		2841	"c/who" => {
		2842	id => "infobox",
		2843	title => "Players",
		2844	reply => undef,
		2845	tooltip => "Shows players who are currently online",
		2846	},
		2847	"c/body" => {
		2848	id => "infobox",
		2849	title => "Body Parts",
		2850	reply => undef,
		2851	tooltip => "Shows which body parts you posess and are available",
		2852	},
		2853	"c/uptime" => {
		2854	id => "infobox",
		2855	title => "Uptime",
		2856	reply => undef,
		2857	tooltip => "How long the server has been running since last restart",
		2858	},
		2859	"c/mapinfo" => {
		2860	id => "infobox",
		2861	title => "Map Info",
		2862	reply => undef,
		2863	tooltip => "Information related to the maps",
		2864	},
		2865	"c/party" => {
		2866	id => "party",
		2867	title => "Party",
		2868	reply => "gsay ",
		2869	tooltip => "Messages and chat related to your party",
		2870	},
		2871	);
		2872
		2873	sub cf::client::send_msg {
		2874	my ($self, $channel, $msg, $color, @extra) = @_;
		2875
		2876	$msg = $self->pl->expand_cfpod ($msg);
		2877
		2878	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2879
		2880	# check predefined channels, for the benefit of C
		2881	if ($CHANNEL{$channel}) {
		2882	$channel = $CHANNEL{$channel};
		2883
		2884	$self->ext_msg (channel_info => $channel)
		2885	if $self->can_msg;
		2886
		2887	$channel = $channel->{id};
		2888
		2889	} elsif (ref $channel) {
		2890	# send meta info to client, if not yet sent
		2891	unless (exists $self->{channel}{$channel->{id}}) {
		2892	$self->{channel}{$channel->{id}} = $channel;
		2893	$self->ext_msg (channel_info => $channel)
		2894	if $self->can_msg;
		2895	}
		2896
		2897	$channel = $channel->{id};
		2898	}
		2899
		2900	return unless @extra || length $msg;
		2901
		2902	if ($self->can_msg) {
		2903	# default colour, mask it out
		2904	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2905	if $color & cf::NDI_DEF;
		2906
		2907	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2908	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2909	} else {
		2910	if ($color >= 0) {
		2911	# replace some tags by gcfclient-compatible ones
		2912	for ($msg) {
		2913	1 while
		2914	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2915	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2916	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2917	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2918	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2919	}
		2920
		2921	$color &= cf::NDI_COLOR_MASK;
		2922
		2923	utf8::encode $msg;
		2924
		2925	if (0 && $msg =~ /\[/) {
		2926	# COMMAND/INFO
		2927	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2928	} else {
		2929	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2930	$self->send_packet ("drawinfo $color $msg")
		2931	}
		2932	}
		2933	}
		2934	}
		2935
		2936	=item $client->ext_msg ($type, @msg)
		2937
		2938	Sends an ext event to the client.
		2939
		2940	=cut
		2941
		2942	sub cf::client::ext_msg($$@) {
		2943	my ($self, $type, @msg) = @_;
		2944
		2945	if ($self->extcmd == 2) {
		2946	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2947	} elsif ($self->extcmd == 1) { # TODO: remove
		2948	push @msg, msgtype => "event_$type";
		2949	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2950	}
		2951	}
		2952
		2953	=item $client->ext_reply ($msgid, @msg)
		2954
		2955	Sends an ext reply to the client.
		2956
		2957	=cut
		2958
		2959	sub cf::client::ext_reply($$@) {
		2960	my ($self, $id, @msg) = @_;
		2961
		2962	if ($self->extcmd == 2) {
		2963	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2964	} elsif ($self->extcmd == 1) {
		2965	#TODO: version 1, remove
		2966	unshift @msg, msgtype => "reply", msgid => $id;
		2967	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2968	}
		2969	}
1892		2970
1893	=item $success = $client->query ($flags, "text", \&cb)	2971	=item $success = $client->query ($flags, "text", \&cb)
1894		2972
1895	Queues a query to the client, calling the given callback with	2973	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2976
1899	Queries can fail, so check the return code. Or don't, as queries will become	2977	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2978	become reliable at some point in the future.
1901		2979
1902	=cut	2980	=cut
1903		2981
1904	sub cf::client::query {	2982	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2983	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2991	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2993
1916	$self->send_packet ($self->{query_queue}[0][0])	2994	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2995	if @{ $self->{query_queue} } == 1;
		2996
		2997	1
1918	}	2998	}
1919		2999
1920	cf::client->attach (	3000	cf::client->attach (
		3001	on_connect => sub {
		3002	my ($ns) = @_;
		3003
		3004	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3005	},
1921	on_reply => sub {	3006	on_reply => sub {
1922	my ($ns, $msg) = @_;	3007	my ($ns, $msg) = @_;
1923		3008
1924	# this weird shuffling is so that direct followup queries	3009	# this weird shuffling is so that direct followup queries
1925	# get handled first	3010	# get handled first
1926	my $queue = delete $ns->{query_queue}	3011	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	3012	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		3013
1929	(shift @$queue)->[1]->($msg);	3014	(shift @$queue)->[1]->($msg);
		3015	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		3016
1931	push @{ $ns->{query_queue} }, @$queue;	3017	push @{ $ns->{query_queue} }, @$queue;
1932		3018
1933	if (@{ $ns->{query_queue} } == @$queue) {	3019	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	3020	if (@$queue) {
…		…
1936	} else {	3022	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3023	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	3024	}
1939	}	3025	}
1940	},	3026	},
		3027	on_exticmd => sub {
		3028	my ($ns, $buf) = @_;
		3029
		3030	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3031
		3032	if (ref $msg) {
		3033	my ($type, $reply, @payload) =
		3034	"ARRAY" eq ref $msg
		3035	? @$msg
		3036	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3037
		3038	my @reply;
		3039
		3040	if (my $cb = $EXTICMD{$type}) {
		3041	@reply = $cb->($ns, @payload);
		3042	}
		3043
		3044	$ns->ext_reply ($reply, @reply)
		3045	if $reply;
		3046
		3047	} else {
		3048	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3049	}
		3050
		3051	cf::override;
		3052	},
1941	);	3053	);
1942		3054
1943	=item $client->async (\&cb)	3055	=item $client->async (\&cb)
1944		3056
1945	Create a new coroutine, running the specified callback. The coroutine will	3057	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	3098	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	3099	our $safe_hole = new Safe::Hole;
1988		3100
1989	$SIG{FPE} = 'IGNORE';	3101	$SIG{FPE} = 'IGNORE';
1990		3102
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3103	$safe->permit_only (Opcode::opset qw(
		3104	:base_core :base_mem :base_orig :base_math
		3105	grepstart grepwhile mapstart mapwhile
		3106	sort time
		3107	));
1992		3108
1993	# here we export the classes and methods available to script code	3109	# here we export the classes and methods available to script code
1994		3110
1995	=pod	3111	=pod
1996		3112
1997	The following fucntions and emthods are available within a safe environment:	3113	The following functions and methods are available within a safe environment:
1998		3114
1999	cf::object contr pay_amount pay_player map	3115	cf::object
		3116	contr pay_amount pay_player map x y force_find force_add destroy
		3117	insert remove name archname title slaying race decrease split
		3118
2000	cf::object::player player	3119	cf::object::player
2001	cf::player peaceful	3120	player
2002	cf::map trigger	3121
		3122	cf::player
		3123	peaceful
		3124
		3125	cf::map
		3126	trigger
2003		3127
2004	=cut	3128	=cut
2005		3129
2006	for (	3130	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	3131	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3132	insert remove inv nrof name archname title slaying race
		3133	decrease split destroy)],
2008	["cf::object::player" => qw(player)],	3134	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	3135	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	3136	["cf::map" => qw(trigger)],
2011	) {	3137	) {
2012	no strict 'refs';	3138	no strict 'refs';
…		…
2083	=back	3209	=back
2084		3210
2085	=cut	3211	=cut
2086		3212
2087	#############################################################################	3213	#############################################################################
		3214	# the server's init and main functions
2088		3215
2089	=head2 EXTENSION DATABASE SUPPORT	3216	sub load_facedata($) {
		3217	my ($path) = @_;
2090		3218
2091	Crossfire maintains a very simple database for extension use. It can	3219	# HACK to clear player env face cache, we need some signal framework
2092	currently store anything that can be serialised using Storable, which	3220	# for this (global event?)
2093	excludes objects.	3221	%ext::player_env::MUSIC_FACE_CACHE = ();
2094		3222
2095	The parameter C<$family> should best start with the name of the extension	3223	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2096	using it, it should be unique.
2097		3224
2098	=over 4	3225	warn "loading facedata from $path\n";
2099		3226
2100	=item $hashref = cf::db_get $family	3227	my $facedata;
		3228	0 < aio_load $path, $facedata
		3229	or die "$path: $!";
2101		3230
2102	Return a hashref for use by the extension C<$family>, which can be	3231	$facedata = Coro::Storable::thaw $facedata;
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105		3232
2106	=item $value = cf::db_get $family => $key	3233	$facedata->{version} == 2
		3234	or cf::cleanup "$path: version mismatch, cannot proceed.";
2107		3235
2108	Returns a single value from the database	3236	# patch in the exptable
2109		3237	$facedata->{resource}{"res/exp_table"} = {
2110	=item cf::db_put $family => $hashref	3238	type => FT_RSRC,
2111		3239	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	3240	};
		3241	cf::cede_to_tick;
2161		3242
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	3243	{
		3244	my $faces = $facedata->{faceinfo};
2166		3245
2167	sub db_get($;$) {	3246	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	3247	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172		3248
2173	sub db_put($$;$) {	3249	cf::face::set_visibility $idx, $info->{visibility};
2174	if (@_ >= 3) {	3250	cf::face::set_magicmap $idx, $info->{magicmap};
2175	$DB->{$_[0]}{$_[1]} = $_[2];	3251	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2176	} else {	3252	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181		3253
2182	cf::global->attach (	3254	cf::cede_to_tick;
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	3255	}
2187	);
2188	}
2189		3256
2190	#############################################################################	3257	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	3258	next unless $info->{smooth};
2192		3259
2193	sub cfg_load {	3260	my $idx = cf::face::find $face
		3261	or next;
		3262
		3263	if (my $smooth = cf::face::find $info->{smooth}) {
		3264	cf::face::set_smooth $idx, $smooth;
		3265	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3266	} else {
		3267	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3268	}
		3269
		3270	cf::cede_to_tick;
		3271	}
		3272	}
		3273
		3274	{
		3275	my $anims = $facedata->{animinfo};
		3276
		3277	while (my ($anim, $info) = each %$anims) {
		3278	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3279	cf::cede_to_tick;
		3280	}
		3281
		3282	cf::anim::invalidate_all; # d'oh
		3283	}
		3284
		3285	{
		3286	# TODO: for gcfclient pleasure, we should give resources
		3287	# that gcfclient doesn't grok a >10000 face index.
		3288	my $res = $facedata->{resource};
		3289
		3290	while (my ($name, $info) = each %$res) {
		3291	if (defined $info->{type}) {
		3292	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3293	my $data;
		3294
		3295	if ($info->{type} & 1) {
		3296	# prepend meta info
		3297
		3298	my $meta = $enc->encode ({
		3299	name => $name,
		3300	%{ $info->{meta} || {} },
		3301	});
		3302
		3303	$data = pack "(w/a*)*", $meta, $info->{data};
		3304	} else {
		3305	$data = $info->{data};
		3306	}
		3307
		3308	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3309	cf::face::set_type $idx, $info->{type};
		3310	} else {
		3311	$RESOURCE{$name} = $info;
		3312	}
		3313
		3314	cf::cede_to_tick;
		3315	}
		3316	}
		3317
		3318	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3319
		3320	1
		3321	}
		3322
		3323	cf::global->attach (on_resource_update => sub {
		3324	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3325	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3326
		3327	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3328	my $sound = $soundconf->{compat}[$_]
		3329	or next;
		3330
		3331	my $face = cf::face::find "sound/$sound->[1]";
		3332	cf::sound::set $sound->[0] => $face;
		3333	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3334	}
		3335
		3336	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3337	my $face = cf::face::find "sound/$v";
		3338	cf::sound::set $k => $face;
		3339	}
		3340	}
		3341	});
		3342
		3343	register_exticmd fx_want => sub {
		3344	my ($ns, $want) = @_;
		3345
		3346	while (my ($k, $v) = each %$want) {
		3347	$ns->fx_want ($k, $v);
		3348	}
		3349	};
		3350
		3351	sub load_resource_file($) {
		3352	my $guard = lock_acquire "load_resource_file";
		3353
		3354	my $status = load_resource_file_ $_[0];
		3355	get_slot 0.1, 100;
		3356	cf::arch::commit_load;
		3357
		3358	$status
		3359	}
		3360
		3361	sub reload_regions {
		3362	# HACK to clear player env face cache, we need some signal framework
		3363	# for this (global event?)
		3364	%ext::player_env::MUSIC_FACE_CACHE = ();
		3365
		3366	load_resource_file "$MAPDIR/regions"
		3367	or die "unable to load regions file\n";
		3368
		3369	for (cf::region::list) {
		3370	$_->{match} = qr/$_->{match}/
		3371	if exists $_->{match};
		3372	}
		3373	}
		3374
		3375	sub reload_facedata {
		3376	load_facedata "$DATADIR/facedata"
		3377	or die "unable to load facedata\n";
		3378	}
		3379
		3380	sub reload_archetypes {
		3381	load_resource_file "$DATADIR/archetypes"
		3382	or die "unable to load archetypes\n";
		3383	}
		3384
		3385	sub reload_treasures {
		3386	load_resource_file "$DATADIR/treasures"
		3387	or die "unable to load treasurelists\n";
		3388	}
		3389
		3390	sub reload_resources {
		3391	warn "reloading resource files...\n";
		3392
		3393	reload_facedata;
		3394	reload_archetypes;
		3395	reload_regions;
		3396	reload_treasures;
		3397
		3398	warn "finished reloading resource files\n";
		3399	}
		3400
		3401	sub init {
		3402	my $guard = freeze_mainloop;
		3403
		3404	evthread_start IO::AIO::poll_fileno;
		3405
		3406	reload_resources;
		3407	}
		3408
		3409	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3410	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3411	or return;
2196		3412
2197	local $/;	3413	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3414	*CFG = YAML::Load <$fh>;
2199		3415
2200	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3416	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2201		3417
2202	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3418	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3419	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
…		…
2213		3429
2214	sub main {	3430	sub main {
2215	# we must not ever block the main coroutine	3431	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3432	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3433	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2218	async { Event::one_event };	3434	(async {
		3435	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3436	EV::loop EV::LOOP_ONESHOT;
		3437	})->prio (Coro::PRIO_MAX);
2219	};	3438	};
2220		3439
2221	cfg_load;	3440	{
2222	db_load;	3441	my $guard = freeze_mainloop;
		3442	reload_config;
		3443	db_init;
2223	load_extensions;	3444	load_extensions;
		3445
		3446	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3447	}
		3448
2224	Event::loop;	3449	EV::loop;
2225	}	3450	}
2226		3451
2227	#############################################################################	3452	#############################################################################
2228	# initialisation and cleanup	3453	# initialisation and cleanup
2229		3454
2230	# install some emergency cleanup handlers	3455	# install some emergency cleanup handlers
2231	BEGIN {	3456	BEGIN {
		3457	our %SIGWATCHER = ();
2232	for my $signal (qw(INT HUP TERM)) {	3458	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3459	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2234	data => WF_AUTOCANCEL,
2235	signal => $signal,
2236	cb => sub {
2237	cf::cleanup "SIG$signal";	3460	cf::cleanup "SIG$signal";
2238	},
2239	);	3461	};
		3462	}
		3463	}
		3464
		3465	sub write_runtime_sync {
		3466	my $runtime = "$LOCALDIR/runtime";
		3467
		3468	# first touch the runtime file to show we are still running:
		3469	# the fsync below can take a very very long time.
		3470
		3471	IO::AIO::aio_utime $runtime, undef, undef;
		3472
		3473	my $guard = cf::lock_acquire "write_runtime";
		3474
		3475	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3476	or return;
		3477
		3478	my $value = $cf::RUNTIME + 90 + 10;
		3479	# 10 is the runtime save interval, for a monotonic clock
		3480	# 60 allows for the watchdog to kill the server.
		3481
		3482	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3483	and return;
		3484
		3485	# always fsync - this file is important
		3486	aio_fsync $fh
		3487	and return;
		3488
		3489	# touch it again to show we are up-to-date
		3490	aio_utime $fh, undef, undef;
		3491
		3492	close $fh
		3493	or return;
		3494
		3495	aio_rename "$runtime~", $runtime
		3496	and return;
		3497
		3498	warn "runtime file written.\n";
		3499
2240	}	3500	1
		3501	}
		3502
		3503	our $uuid_lock;
		3504	our $uuid_skip;
		3505
		3506	sub write_uuid_sync($) {
		3507	$uuid_skip ||= $_[0];
		3508
		3509	return if $uuid_lock;
		3510	local $uuid_lock = 1;
		3511
		3512	my $uuid = "$LOCALDIR/uuid";
		3513
		3514	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3515	or return;
		3516
		3517	my $value = uuid_str $uuid_skip + uuid_seq uuid_cur;
		3518	$uuid_skip = 0;
		3519
		3520	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3521	and return;
		3522
		3523	# always fsync - this file is important
		3524	aio_fsync $fh
		3525	and return;
		3526
		3527	close $fh
		3528	or return;
		3529
		3530	aio_rename "$uuid~", $uuid
		3531	and return;
		3532
		3533	warn "uuid file written ($value).\n";
		3534
		3535	1
		3536
		3537	}
		3538
		3539	sub write_uuid($$) {
		3540	my ($skip, $sync) = @_;
		3541
		3542	$sync ? write_uuid_sync $skip
		3543	: async { write_uuid_sync $skip };
2241	}	3544	}
2242		3545
2243	sub emergency_save() {	3546	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3547	my $freeze_guard = cf::freeze_mainloop;
2245		3548
…		…
2251	# and maps saved/destroyed asynchronously.	3554	# and maps saved/destroyed asynchronously.
2252	warn "begin emergency player save\n";	3555	warn "begin emergency player save\n";
2253	for my $login (keys %cf::PLAYER) {	3556	for my $login (keys %cf::PLAYER) {
2254	my $pl = $cf::PLAYER{$login} or next;	3557	my $pl = $cf::PLAYER{$login} or next;
2255	$pl->valid or next;	3558	$pl->valid or next;
		3559	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2256	$pl->save;	3560	$pl->save;
2257	}	3561	}
2258	warn "end emergency player save\n";	3562	warn "end emergency player save\n";
2259		3563
2260	warn "begin emergency map save\n";	3564	warn "begin emergency map save\n";
…		…
2262	my $map = $cf::MAP{$path} or next;	3566	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3567	$map->valid or next;
2264	$map->save;	3568	$map->save;
2265	}	3569	}
2266	warn "end emergency map save\n";	3570	warn "end emergency map save\n";
		3571
		3572	warn "begin emergency database checkpoint\n";
		3573	BDB::db_env_txn_checkpoint $DB_ENV;
		3574	warn "end emergency database checkpoint\n";
		3575
		3576	warn "begin write uuid\n";
		3577	write_uuid_sync 1;
		3578	warn "end write uuid\n";
2267	};	3579	};
2268		3580
2269	warn "leave emergency perl save\n";	3581	warn "leave emergency perl save\n";
2270	}	3582	}
2271		3583
		3584	sub post_cleanup {
		3585	my ($make_core) = @_;
		3586
		3587	warn Carp::longmess "post_cleanup backtrace"
		3588	if $make_core;
		3589	}
		3590
2272	sub reload() {	3591	sub do_reload_perl() {
2273	# can/must only be called in main	3592	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3593	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3594	warn "can only reload from main coroutine";
2276	return;	3595	return;
2277	}	3596	}
2278		3597
2279	warn "reloading...";	3598	warn "reloading...";
2280		3599
2281	warn "freezing server";	3600	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3601
		3602	cf::sync_job {
		3603	cf::write_runtime_sync; # external watchdog should not bark
2283	cf::emergency_save;	3604	cf::emergency_save;
		3605	cf::write_runtime_sync; # external watchdog should not bark
2284		3606
2285	warn "sync database to disk";	3607	warn "syncing database to disk";
2286	cf::db_sync;	3608	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3609
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3610	# if anything goes wrong in here, we should simply crash as we already saved
2291		3611
2292	warn "cancel all watchers";	3612	warn "flushing outstanding aio requests";
2293	for (Event::all_watchers) {	3613	for (;;) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3614	BDB::flush;
		3615	IO::AIO::flush;
		3616	Coro::cede_notself;
		3617	last unless IO::AIO::nreqs || BDB::nreqs;
		3618	warn "iterate...";
2295	}	3619	}
2296		3620
		3621	++$RELOAD;
		3622
2297	warn "cancel all extension coros";	3623	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3624	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3625	%EXT_CORO = ();
2300		3626
2301	warn "remove commands";	3627	warn "removing commands";
2302	%COMMAND = ();	3628	%COMMAND = ();
2303		3629
2304	warn "remove ext commands";	3630	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3631	%EXTCMD = ();
		3632	%EXTICMD = ();
2306		3633
2307	warn "unload/nuke all extensions";	3634	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3635	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3636	warn "... unloading $pkg";
2310		3637
2311	if (my $cb = $pkg->can ("unload")) {	3638	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3639	eval {
…		…
2317		3644
2318	warn "... nuking $pkg";	3645	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3646	Symbol::delete_package $pkg;
2320	}	3647	}
2321		3648
2322	warn "unload all perl modules loaded from $LIBDIR";	3649	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3650	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3651	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3652
2326	warn "removing <$k>";	3653	warn "... unloading $k";
2327	delete $INC{$k};	3654	delete $INC{$k};
2328		3655
2329	$k =~ s/\.pm$//;	3656	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3657	$k =~ s/\//::/g;
2331		3658
…		…
2334	}	3661	}
2335		3662
2336	Symbol::delete_package $k;	3663	Symbol::delete_package $k;
2337	}	3664	}
2338		3665
2339	warn "get rid of safe::, as good as possible";	3666	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3667	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3668	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3669
2343	warn "unload cf.pm \"a bit\"";	3670	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3671	delete $INC{"cf.pm"};
		3672	delete $INC{"cf/pod.pm"};
2345		3673
2346	# don't, removes xs symbols, too,	3674	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3675	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3676	#Symbol::delete_package __PACKAGE__;
2349		3677
		3678	warn "unload completed, starting to reload now";
		3679
2350	warn "reloading cf.pm";	3680	warn "reloading cf.pm";
2351	require cf;	3681	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3682	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3683
2354	warn "load config and database again";	3684	warn "loading config and database again";
2355	cf::cfg_load;	3685	cf::reload_config;
2356	cf::db_load;
2357		3686
2358	warn "load extensions";	3687	warn "loading extensions";
2359	cf::load_extensions;	3688	cf::load_extensions;
2360		3689
2361	warn "reattach attachments to objects/players";	3690	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3691	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3692	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3693	reattach $_ for values %MAP;
		3694	warn "reattaching attachments to players";
		3695	reattach $_ for values %PLAYER;
		3696
		3697	warn "leaving sync_job";
		3698
		3699	1
		3700	} or do {
		3701	warn $@;
		3702	cf::cleanup "error while reloading, exiting.";
2365	};	3703	};
2366
2367	if ($@) {
2368	warn $@;
2369	warn "error while reloading, exiting.";
2370	exit 1;
2371	}
2372		3704
2373	warn "reloaded";	3705	warn "reloaded";
2374	};	3706	};
2375		3707
		3708	our $RELOAD_WATCHER; # used only during reload
		3709
		3710	sub reload_perl() {
		3711	# doing reload synchronously and two reloads happen back-to-back,
		3712	# coro crashes during coro_state_free->destroy here.
		3713
		3714	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3715	do_reload_perl;
		3716	undef $RELOAD_WATCHER;
		3717	};
		3718	}
		3719
2376	register_command "reload" => sub {	3720	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3721	my ($who, $arg) = @_;
2378		3722
2379	if ($who->flag (FLAG_WIZ)) {	3723	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3724	$who->message ("reloading server.");
		3725	async {
		3726	$Coro::current->{desc} = "perl_reload";
		3727	reload_perl;
		3728	};
2383	}	3729	}
2384	};	3730	};
2385		3731
2386	unshift @INC, $LIBDIR;	3732	unshift @INC, $LIBDIR;
2387		3733
2388	$TICK_WATCHER = Event->timer (	3734	my $bug_warning = 0;
2389	reentrant => 0,
2390	prio => 0,
2391	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,
2393	cb => sub {
2394	$NOW = Event::time;
2395		3735
		3736	our @WAIT_FOR_TICK;
		3737	our @WAIT_FOR_TICK_BEGIN;
		3738
		3739	sub wait_for_tick {
		3740	return if tick_inhibit || $Coro::current == $Coro::main;
		3741
		3742	my $signal = new Coro::Signal;
		3743	push @WAIT_FOR_TICK, $signal;
		3744	$signal->wait;
		3745	}
		3746
		3747	sub wait_for_tick_begin {
		3748	return if tick_inhibit || $Coro::current == $Coro::main;
		3749
		3750	my $signal = new Coro::Signal;
		3751	push @WAIT_FOR_TICK_BEGIN, $signal;
		3752	$signal->wait;
		3753	}
		3754
		3755	sub tick {
		3756	if ($Coro::current != $Coro::main) {
		3757	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3758	unless ++$bug_warning > 10;
		3759	return;
		3760	}
		3761
2396	cf::server_tick; # one server iteration	3762	cf::server_tick; # one server iteration
2397	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;
2399		3763
2400	$WAIT_FOR_TICK->broadcast;	3764	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3765	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2402		3766	Coro::async_pool {
2403	# if we are delayed by four ticks or more, skip them all	3767	$Coro::current->{desc} = "runtime saver";
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2405
2406	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;
2408	},
2409	);
2410
2411	IO::AIO::max_poll_time $TICK * 0.2;
2412
2413	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,
2423	after => 0,
2424	interval => 10,
2425	cb => sub {
2426	(Coro::unblock_sub {
2427	write_runtime	3768	write_runtime_sync
2428	or warn "ERROR: unable to write runtime file: $!";	3769	or warn "ERROR: unable to write runtime file: $!";
2429	})->();	3770	};
2430	},	3771	}
2431	);	3772
		3773	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3774	$sig->send;
		3775	}
		3776	while (my $sig = shift @WAIT_FOR_TICK) {
		3777	$sig->send;
		3778	}
		3779
		3780	$LOAD = ($NOW - $TICK_START) / $TICK;
		3781	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3782
		3783	if (0) {
		3784	if ($NEXT_TICK) {
		3785	my $jitter = $TICK_START - $NEXT_TICK;
		3786	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		3787	warn "jitter $JITTER\n";#d#
		3788	}
		3789	}
		3790	}
		3791
		3792	{
		3793	# configure BDB
		3794
		3795	BDB::min_parallel 8;
		3796	BDB::max_poll_reqs $TICK * 0.1;
		3797	$AnyEvent::BDB::WATCHER->priority (1);
		3798
		3799	unless ($DB_ENV) {
		3800	$DB_ENV = BDB::db_env_create;
		3801	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3802	| BDB::LOG_AUTOREMOVE, 1);
		3803	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3804	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3805
		3806	cf::sync_job {
		3807	eval {
		3808	BDB::db_env_open
		3809	$DB_ENV,
		3810	$BDBDIR,
		3811	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3812	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3813	0666;
		3814
		3815	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3816	};
		3817
		3818	cf::cleanup "db_env_open(db): $@" if $@;
		3819	};
		3820	}
		3821
		3822	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3823	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3824	};
		3825	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3826	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3827	};
		3828	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3829	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3830	};
		3831	}
		3832
		3833	{
		3834	# configure IO::AIO
		3835
		3836	IO::AIO::min_parallel 8;
		3837	IO::AIO::max_poll_time $TICK * 0.1;
		3838	undef $AnyEvent::AIO::WATCHER;
		3839	}
		3840
		3841	my $_log_backtrace;
		3842
		3843	sub _log_backtrace {
		3844	my ($msg, @addr) = @_;
		3845
		3846	$msg =~ s/\n//;
		3847
		3848	# limit the # of concurrent backtraces
		3849	if ($_log_backtrace < 2) {
		3850	++$_log_backtrace;
		3851	async {
		3852	$Coro::current->{desc} = "abt $msg";
		3853
		3854	my @bt = fork_call {
		3855	@addr = map { sprintf "%x", $_ } @addr;
		3856	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3857	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3858	or die "addr2line: $!";
		3859
		3860	my @funcs;
		3861	my @res = <$fh>;
		3862	chomp for @res;
		3863	while (@res) {
		3864	my ($func, $line) = splice @res, 0, 2, ();
		3865	push @funcs, "[$func] $line";
		3866	}
		3867
		3868	@funcs
		3869	};
		3870
		3871	LOG llevInfo, "[ABT] $msg\n";
		3872	LOG llevInfo, "[ABT] $_\n" for @bt;
		3873	--$_log_backtrace;
		3874	};
		3875	} else {
		3876	LOG llevInfo, "[ABT] $msg\n";
		3877	LOG llevInfo, "[ABT] [suppressed]\n";
		3878	}
		3879	}
		3880
		3881	# load additional modules
		3882	use cf::pod;
2432		3883
2433	END { cf::emergency_save }	3884	END { cf::emergency_save }
2434		3885
2435	1	3886	1
2436		3887

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