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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.399 by root, Sun Dec 16 02:50:33 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.3 ();	15	use Coro 4.1 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 2.01 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	57	our %EXT_MAP = (); # pluggable maps
43		58
		59	our $RELOAD; # number of reloads so far
44	our @EVENT;	60	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		61
47	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	78	our $NEXT_TICK;
50	our $NOW;	79	our $USE_FSYNC = 1; # use fsync to write maps - default off
		80
		81	our $BDB_POLL_WATCHER;
		82	our $BDB_DEADLOCK_WATCHER;
		83	our $BDB_CHECKPOINT_WATCHER;
		84	our $BDB_TRICKLE_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
		91	our $NOW;
56		92
57	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map	95	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		96
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	97	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
64		103
65	binmode STDOUT;	104	binmode STDOUT;
66	binmode STDERR;	105	binmode STDERR;
67		106
68	# read virtual server time, if available	107	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
73	}	112	}
74		113
75	mkdir cf::localdir;	114	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		116
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
		118
		119	sub cf::map::normalise;
84		120
85	#############################################################################	121	#############################################################################
86		122
87	=head2 GLOBAL VARIABLES	123	=head2 GLOBAL VARIABLES
88		124
…		…
95	=item $cf::RUNTIME	131	=item $cf::RUNTIME
96		132
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	134	every server tick.
99		135
100	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		139
102	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
104		144
105	=item $cf::NOW	145	=item $cf::NOW
106		146
107	The time of the last (current) server tick.	147	The time of the last (current) server tick.
108		148
109	=item $cf::TICK	149	=item $cf::TICK
110		150
111	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
112		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
113	=item %cf::CFG	163	=item %cf::CFG
114		164
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
116	from wherever your confdir points to.	166	from wherever your confdir points to.
117		167
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		169
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
124		179
125	=back	180	=back
126		181
127	=cut	182	=cut
128		183
129	BEGIN {	184	BEGIN {
130	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	186	my $msg = join "", @_;
132	utf8::encode $msg;
133		187
134	$msg .= "\n"	188	$msg .= "\n"
135	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
136		192
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		204
148	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
156	)) {	213	)) {
157	no strict 'refs';	214	no strict 'refs';
158	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$EV::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
214	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
222	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
223	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
224	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
225	returned.	275	returned.
226		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
227	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
229		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
230	=cut	287	=cut
231		288
232	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
233		291
234	sub lock_wait($) {	292	sub lock_wait($) {
235	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
236		299
237	# wait for lock, if any	300	# wait for lock, if any
238	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
239	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
240	Coro::schedule;	303	Coro::schedule;
…		…
246		309
247	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
248	lock_wait $key;	311	lock_wait $key;
249		312
250	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
251		315
252	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
253	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
255	}	320	}
256	}	321	}
257		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
258	sub freeze_mainloop {	329	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
260		331
261	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
262	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
263	$guard	336	$guard
		337	}
		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
264	}	410	}
265		411
266	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
267		413
268	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		419
274	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
275		421
276	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
277		423
278	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
281		428
282	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
285	fast or be very important.	432	fast or be very important.
…		…
288		435
289	sub sync_job(&) {	436	sub sync_job(&) {
290	my ($job) = @_;	437	my ($job) = @_;
291		438
292	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
293	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
295		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
296	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	448	# (but this is cancel-safe)
298	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
299		450
300	my $busy = 1;	451	my $busy = 1;
301	my @res;	452	my @res;
302		453
303	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
304	@res = eval { $job->() };	456	@res = eval { $job->() };
305	warn $@ if $@;	457	warn $@ if $@;
306	undef $busy;	458	undef $busy;
307	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
308		460
309	while ($busy) {	461	while ($busy) {
310	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
311	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
312		475
313	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
314	} else {	477	} else {
315	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
316		479
…		…
336	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
337		500
338	$coro	501	$coro
339	}	502	}
340		503
341	sub write_runtime {	504	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		505
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
345	or return;	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
346		510
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	511	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		512
351	aio_fsync $fh	513	sub fork_call(&@) {
352	and return;	514	my ($cb, @args) = @_;
353		515
354	close $fh	516	# we seemingly have to make a local copy of the whole thing,
355	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
356		519
357	aio_rename "$runtime~", $runtime	520	my @res = Coro::Util::fork_eval {
358	and return;	521	reset_signals;
		522	&$cb
		523	}, @args;
359		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
360	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	664	}
362		665
363	=back	666	=back
364		667
365	=cut	668	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	sub unlink_save {
522	my ($self) = @_;
523
524	utf8::encode (my $save = $self->save_path);
525	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
527	}
528
529	package cf;
530		669
531	#############################################################################	670	#############################################################################
532		671
533	=head2 ATTACHABLE OBJECTS	672	=head2 ATTACHABLE OBJECTS
534		673
…		…
536	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
537	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
538		677
539	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
540	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
541	crossfire+).	680	Deliantra).
542		681
543	=over 4	682	=over 4
544		683
545	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
546		685
…		…
660	our @CB_TYPE = (); # registry for type (cf-object class) based events	799	our @CB_TYPE = (); # registry for type (cf-object class) based events
661	our @CB_MAP = ();	800	our @CB_MAP = ();
662		801
663	my %attachment;	802	my %attachment;
664		803
		804	sub cf::attachable::thawer_merge {
		805	# simply override everything except _meta
		806	local $_[0]{_meta};
		807	%{$_[0]} = %{$_[1]};
		808	}
		809
665	sub _attach_cb($$$$) {	810	sub _attach_cb($$$$) {
666	my ($registry, $event, $prio, $cb) = @_;	811	my ($registry, $event, $prio, $cb) = @_;
667		812
668	use sort 'stable';	813	use sort 'stable';
669		814
…		…
703	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
704		849
705	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
706	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
707	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
708	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
709		854
710	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
711	my $pkg = shift @arg;	856	my $pkg = shift @arg;
712		857
713	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
742	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
743	}	888	}
744		889
745	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
746	} else {	891	} else {
747	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
748	}	893	}
749		894
750	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
751	}	896	}
752		897
…		…
754	if (ref $_[0]) {	899	if (ref $_[0]) {
755	_object_attach @_;	900	_object_attach @_;
756	} else {	901	} else {
757	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
758	}	903	}
		904	_recalc_want;
759	};	905	};
760		906
761	# all those should be optimised	907	# all those should be optimised
762	sub cf::attachable::detach {	908	sub cf::attachable::detach {
763	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
766	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
767	reattach ($obj);	913	reattach ($obj);
768	} else {	914	} else {
769	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
770	}	916	}
		917	_recalc_want;
771	};	918	};
772		919
773	sub cf::attachable::attached {	920	sub cf::attachable::attached {
774	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
775		922
…		…
790	";	937	";
791	die if $@;	938	die if $@;
792	}	939	}
793		940
794	our $override;	941	our $override;
795	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
796		943
797	sub override {	944	sub override {
798	$override = 1;	945	$override = 1;
799	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
800	}	947	}
801		948
802	sub do_invoke {	949	sub do_invoke {
803	my $event = shift;	950	my $event = shift;
804	my $callbacks = shift;	951	my $callbacks = shift;
805		952
806	@invoke_results = ();	953	@INVOKE_RESULTS = ();
807		954
808	local $override;	955	local $override;
809		956
810	for (@$callbacks) {	957	for (@$callbacks) {
811	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
828		975
829	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
830		977
831	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
832	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
833	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
834		981
835	=back	982	=back
836		983
837	=cut	984	=cut
838		985
839	#############################################################################	986	#############################################################################
840	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
841		1030
842	sub reattach {	1031	sub reattach {
843	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
844	my ($obj) = @_;	1033	my ($obj) = @_;
		1034
		1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845		1036
846	my $registry = $obj->registry;	1037	my $registry = $obj->registry;
847		1038
848	@$registry = ();	1039	@$registry = ();
849		1040
…		…
864	cf::attachable->attach (	1055	cf::attachable->attach (
865	prio => -1000000,	1056	prio => -1000000,
866	on_instantiate => sub {	1057	on_instantiate => sub {
867	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
868		1059
869	$data = from_json $data;	1060	$data = decode_json $data;
870		1061
871	for (@$data) {	1062	for (@$data) {
872	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
873		1064
874	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
890	sub object_freezer_save {	1081	sub object_freezer_save {
891	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
892		1083
893	sync_job {	1084	sync_job {
894	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
895	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
896	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
897		1089
898	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
899	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
900	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
901	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1094	close $fh;
903		1095
904	if (@$objs) {	1096	if (@$objs) {
905	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
906	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
907	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
908	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
909	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
910	close $fh;	1102	close $fh;
911	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
912	}	1104	}
913	} else {	1105	} else {
914	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
920	}	1112	}
921	} else {	1113	} else {
922	aio_unlink $filename;	1114	aio_unlink $filename;
923	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
924	}	1116	}
925	}	1117	};
926	}	1118	}
927		1119
928	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
929	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
930		1122
…		…
942	or return;	1134	or return;
943		1135
944	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
945	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
946	or return;	1138	or return;
		1139
947	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
948	}	1142	}
949		1143
		1144	utf8::decode (my $decname = $filename);
950	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
951	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
952	return ($data, $av);	1148	($data, $av)
953	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
954		1156
955	#############################################################################	1157	#############################################################################
956	# command handling &c	1158	# command handling &c
957		1159
958	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
971	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
972	}	1174	}
973		1175
974	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
975		1177
976	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
977		1183
978	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
979	called.	1185	called.
980		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
981	=cut	1198	=cut
982		1199
983	sub register_extcmd {	1200	sub register_extcmd {
984	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
985		1202
986	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
987	}	1210	}
988		1211
989	cf::player->attach (	1212	cf::player->attach (
990	on_command => sub {	1213	on_command => sub {
991	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
1000	cf::override;	1223	cf::override;
1001	},	1224	},
1002	on_extcmd => sub {	1225	on_extcmd => sub {
1003	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
1004		1227
1005	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
1006		1229
1007	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
1008	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
1009	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
1010	$pl->ext_reply ($msg->{msgid}, %reply);
1011	}
1012	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
1013	} else {	1245	} else {
1014	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1015	}	1247	}
1016		1248
1017	cf::override;	1249	cf::override;
1018	},	1250	},
1019	);	1251	);
1020		1252
1021	sub load_extension {
1022	my ($path) = @_;
1023
1024	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1025	my $base = $1;
1026	my $pkg = $1;
1027	$pkg =~ s/[^[:word:]]/_/g;
1028	$pkg = "ext::$pkg";
1029
1030	warn "... loading '$path' into '$pkg'\n";
1031
1032	open my $fh, "<:utf8", $path
1033	or die "$path: $!";
1034
1035	my $source =
1036	"package $pkg; use strict; use utf8;\n"
1037	. "#line 1 \"$path\"\n{\n"
1038	. (do { local $/; <$fh> })
1039	. "\n};\n1";
1040
1041	eval $source
1042	or die $@ ? "$path: $@\n"
1043	: "extension disabled.\n";
1044
1045	push @EXTS, $pkg;
1046	}
1047
1048	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
1049	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
1050	next unless -r $ext;	1258	next unless -r $path;
1051	eval {	1259
1052	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
1053	1	1317	}
1054	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
1055	}	1323	};
1056	}	1324	}
1057		1325
1058	#############################################################################	1326	#############################################################################
1059	# load/save/clean perl data associated with a map
1060		1327
1061	*cf::mapsupport::on_clean = sub {	1328	=back
1062	my ($map) = @_;
1063
1064	my $path = $map->tmpname;
1065	defined $path or return;
1066
1067	unlink "$path.pst";
1068	};
1069
1070	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072	#############################################################################
1073		1329
1074	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
1075		1331
1076	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
1077		1333
…		…
1083		1339
1084	=head3 cf::player	1340	=head3 cf::player
1085		1341
1086	=over 4	1342	=over 4
1087		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
1088	=item cf::player::find $login	1358	=item cf::player::find $login
1089		1359
1090	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1091		1361
1092	=cut	1362	=cut
1093		1363
1094	sub playerdir($) {	1364	sub playerdir($) {
1095	cf::localdir	1365	"$PLAYERDIR/"
1096	. "/"
1097	. cf::playerdir
1098	. "/"
1099	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1100	}	1367	}
1101		1368
1102	sub path($) {	1369	sub path($) {
1103	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104		1371
1105	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
1106	}	1373	}
1107		1374
1108	sub find_active($) {	1375	sub find_active($) {
1109	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
1110	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
1113		1380
1114	sub exists($) {	1381	sub exists($) {
1115	my ($login) = @_;	1382	my ($login) = @_;
1116		1383
1117	$cf::PLAYER{$login}	1384	$cf::PLAYER{$login}
1118	or cf::sync_job { !aio_stat $login }	1385	or cf::sync_job { !aio_stat path $login }
1119	}	1386	}
1120		1387
1121	sub find($) {	1388	sub find($) {
1122	return $cf::PLAYER{$_[0]} || do {	1389	return $cf::PLAYER{$_[0]} || do {
1123	my $login = $_[0];	1390	my $login = $_[0];
1124		1391
1125	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
1126		1393
1127	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
1128	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
1129	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1130	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1131	}	1410	}
1132	}	1411	}
1133	}	1412	}
1134		1413
…		…
1144		1423
1145	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1146	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1147		1426
1148	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1149	Coro::cede;	1428	cf::cede_to_tick;
1150	}	1429	}
1151		1430
1152	sub new($) {	1431	sub new($) {
1153	my ($login) = @_;	1432	my ($login) = @_;
1154		1433
…		…
1160	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1161		1440
1162	$self	1441	$self
1163	}	1442	}
1164		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1165	=item $pl->quit_character	1454	=item $pl->quit_character
1166		1455
1167	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1168	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1169		1458
1170	=cut	1459	=cut
1171		1460
1172	sub quit_character {	1461	sub quit_character {
1173	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1174		1465
1175	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1176	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1177		1468
1178	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1183	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1184	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1185	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1186	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1187	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1188	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1189	}	1500	}
1190		1501
1191	=item cf::player::list_logins	1502	=item cf::player::list_logins
1192		1503
1193	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1194	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1195		1506
1196	=cut	1507	=cut
1197		1508
1198	sub list_logins {	1509	sub list_logins {
1199	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1200	or return [];	1511	or return [];
1201		1512
1202	my @logins;	1513	my @logins;
1203		1514
1204	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1205	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1206	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1207	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1208		1524
1209	utf8::decode $login;	1525	utf8::decode $login;
1210	push @logins, $login;	1526	push @logins, $login;
1211	}	1527	}
1212		1528
1213	\@logins	1529	\@logins
1214	}	1530	}
1215		1531
1216	=item $player->maps	1532	=item $player->maps
1217		1533
1218	Returns an arrayref of cf::path's of all maps that are private for this	1534	Returns an arrayref of map paths that are private for this
1219	player. May block.	1535	player. May block.
1220		1536
1221	=cut	1537	=cut
1222		1538
1223	sub maps($) {	1539	sub maps($) {
1224	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1225		1543
1226	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1227	or return;	1545	or return;
1228		1546
1229	my @paths;	1547	my @paths;
…		…
1231	for (@$files) {	1549	for (@$files) {
1232	utf8::decode $_;	1550	utf8::decode $_;
1233	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1234	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1235		1553
1236	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1554	push @paths, cf::map::normalise "~$pl/$_";
1237	}	1555	}
1238		1556
1239	\@paths	1557	\@paths
1240	}	1558	}
1241		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1242	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1243		1654
1244	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1245		1656
1246	=cut	1657	=cut
1247		1658
1248	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1249	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1250		1661
1251	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1252
1253	$self->send ("ext " . cf::to_json \%msg);
1254	}	1663	}
1255		1664
1256	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1257		1705
1258	=back	1706	=back
1259
1260		1707
1261	=head3 cf::map	1708	=head3 cf::map
1262		1709
1263	=over 4	1710	=over 4
1264		1711
…		…
1267	package cf::map;	1714	package cf::map;
1268		1715
1269	use Fcntl;	1716	use Fcntl;
1270	use Coro::AIO;	1717	use Coro::AIO;
1271		1718
		1719	use overload
		1720	'""' => \&as_string,
		1721	fallback => 1;
		1722
1272	our $MAX_RESET = 3600;	1723	our $MAX_RESET = 3600;
1273	our $DEFAULT_RESET = 3000;	1724	our $DEFAULT_RESET = 3000;
1274		1725
1275	sub generate_random_map {	1726	sub generate_random_map {
1276	my ($path, $rmp) = @_;	1727	my ($self, $rmp) = @_;
1277
1278	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1279	cf::map::_create_random_map (	1729	$self->_create_random_map (
1280	$path,
1281	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284	$rmp->{exit_on_final_map},	1733	$rmp->{exit_on_final_map},
1285	$rmp->{xsize}, $rmp->{ysize},	1734	$rmp->{xsize}, $rmp->{ysize},
…		…
1290	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291	(cf::region::find $rmp->{region}), $rmp->{custom}	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
1292	)	1741	)
1293	}	1742	}
1294		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
		1752	sub register {
		1753	my (undef, $regex, $prio) = @_;
		1754	my $pkg = caller;
		1755
		1756	no strict;
		1757	push @{"$pkg\::ISA"}, __PACKAGE__;
		1758
		1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1760	}
		1761
		1762	# also paths starting with '/'
		1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1764
		1765	sub thawer_merge {
		1766	my ($self, $merge) = @_;
		1767
		1768	# we have to keep some variables in memory intact
		1769	local $self->{path};
		1770	local $self->{load_path};
		1771
		1772	$self->SUPER::thawer_merge ($merge);
		1773	}
		1774
		1775	sub normalise {
		1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
		1781
		1782	# map plan:
		1783	#
		1784	# /! non-realised random map exit (special hack!)
		1785	# {... are special paths that are not being touched
		1786	# ?xxx/... are special absolute paths
		1787	# ?random/... random maps
		1788	# /... normal maps
		1789	# ~user/... per-player map of a specific user
		1790
		1791	$path =~ s/$PATH_SEP/\//go;
		1792
		1793	# treat it as relative path if it starts with
		1794	# something that looks reasonable
		1795	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1796	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1797
		1798	$base =~ s{[^/]+/?$}{};
		1799	$path = "$base/$path";
		1800	}
		1801
		1802	for ($path) {
		1803	redo if s{//}{/};
		1804	redo if s{/\.?/}{/};
		1805	redo if s{/[^/]+/\.\./}{/};
		1806	}
		1807
		1808	$path
		1809	}
		1810
		1811	sub new_from_path {
		1812	my (undef, $path, $base) = @_;
		1813
		1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1815
		1816	$path = normalise $path, $base;
		1817
		1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1820	my $self = bless cf::map::new, $pkg;
		1821	$self->{path} = $path; $self->path ($path);
		1822	$self->init; # pass $1 etc.
		1823	return $self;
		1824	}
		1825	}
		1826
		1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1828	()
		1829	}
		1830
		1831	sub init {
		1832	my ($self) = @_;
		1833
		1834	$self
		1835	}
		1836
		1837	sub as_string {
		1838	my ($self) = @_;
		1839
		1840	"$self->{path}"
		1841	}
		1842
		1843	# the displayed name, this is a one way mapping
		1844	sub visible_name {
		1845	&as_string
		1846	}
		1847
		1848	# the original (read-only) location
		1849	sub load_path {
		1850	my ($self) = @_;
		1851
		1852	"$MAPDIR/$self->{path}.map"
		1853	}
		1854
		1855	# the temporary/swap location
		1856	sub save_path {
		1857	my ($self) = @_;
		1858
		1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1860	"$TMPDIR/$path.map"
		1861	}
		1862
		1863	# the unique path, undef == no special unique path
		1864	sub uniq_path {
		1865	my ($self) = @_;
		1866
		1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1868	"$UNIQUEDIR/$path"
		1869	}
		1870
1295	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1296	# all maps in C++...	1872	# all maps in C++...
1297	sub change_all_map_light {	1873	sub change_all_map_light {
1298	my ($change) = @_;	1874	my ($change) = @_;
1299		1875
1300	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1302	}	1878	}
1303		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
		1888	sub unlink_save {
		1889	my ($self) = @_;
		1890
		1891	utf8::encode (my $save = $self->save_path);
		1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1894	}
		1895
1304	sub load_map_header($) {	1896	sub load_header_from($) {
1305	my ($path) = @_;	1897	my ($self, $path) = @_;
1306		1898
1307	utf8::encode $path;	1899	utf8::encode $path;
1308	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1309	or return;	1901	or return;
1310		1902
1311	my $map = cf::map::new	1903	$self->_load_header ($f)
1312	or return;	1904	or return;
1313		1905
1314	# for better error messages only, will be overwritten later	1906	local $MAP_LOADING{$self->{path}} = $self;
1315	$map->path ($path);	1907	$f->resolve_delayed_derefs;
1316		1908
1317	$map->load_header ($path)	1909	$self->{load_path} = $path;
		1910
		1911	1
		1912	}
		1913
		1914	sub load_header_orig {
		1915	my ($self) = @_;
		1916
		1917	$self->load_header_from ($self->load_path)
		1918	}
		1919
		1920	sub load_header_temp {
		1921	my ($self) = @_;
		1922
		1923	$self->load_header_from ($self->save_path)
		1924	}
		1925
		1926	sub prepare_temp {
		1927	my ($self) = @_;
		1928
		1929	$self->last_access ((delete $self->{last_access})
		1930	|| $cf::RUNTIME); #d#
		1931	# safety
		1932	$self->{instantiate_time} = $cf::RUNTIME
		1933	if $self->{instantiate_time} > $cf::RUNTIME;
		1934	}
		1935
		1936	sub prepare_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->{load_original} = 1;
		1940	$self->{instantiate_time} = $cf::RUNTIME;
		1941	$self->last_access ($cf::RUNTIME);
		1942	$self->instantiate;
		1943	}
		1944
		1945	sub load_header {
		1946	my ($self) = @_;
		1947
		1948	if ($self->load_header_temp) {
		1949	$self->prepare_temp;
		1950	} else {
		1951	$self->load_header_orig
1318	or return;	1952	or return;
		1953	$self->prepare_orig;
		1954	}
1319		1955
1320	$map->{load_path} = $path;	1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
1321		1958
1322	$map	1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
		1961
		1962	1
1323	}	1963	}
1324		1964
1325	sub find;	1965	sub find;
1326	sub find {	1966	sub find {
1327	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1328		1968
1329	#warn "find<$path,$origin>\n";#d#
1330
1331	$path = new cf::path $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1332	my $key = $path->as_string;
1333		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1334	cf::lock_wait "map_find:$key";	1972	cf::lock_wait "map_find:$path";
1335		1973
1336	$cf::MAP{$key} || do {	1974	$cf::MAP{$path} || do {
1337	my $guard = cf::lock_acquire "map_find:$key";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1338		1977
1339	# do it the slow way	1978	my $map = new_from_path cf::map $path
1340	my $map = $path->load_temp;
1341
1342	Coro::cede;
1343
1344	if ($map) {
1345	$map->last_access ((delete $map->{last_access})
1346	|| $cf::RUNTIME); #d#
1347	# safety
1348	$map->{instantiate_time} = $cf::RUNTIME
1349	if $map->{instantiate_time} > $cf::RUNTIME;
1350	} else {
1351	$map = $path->load_orig
1352	or return;	1979	or return;
1353		1980
1354	$map->{load_original} = 1;
1355	$map->{instantiate_time} = $cf::RUNTIME;
1356	$map->last_access ($cf::RUNTIME);
1357	$map->instantiate;
1358
1359	# per-player maps become, after loading, normal maps
1360	$map->per_player (0) if $path->{user_rel};
1361	}
1362
1363	$map->path ($key);
1364	$map->{path} = $path;
1365	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1366		1982
1367	Coro::cede;	1983	$map->load_header
		1984	or return;
1368		1985
1369	if ($map->should_reset) {	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1987	# doing this can freeze the server in a sync job, obviously
		1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1370	$map->reset;	1991	$map->reset;
1371	undef $guard;
1372	$map = find $path	1992	return find $path;
1373	or return;
1374	}	1993	}
1375		1994
1376	$cf::MAP{$key} = $map	1995	$cf::MAP{$path} = $map
1377	}	1996	}
1378	}	1997	}
		1998
		1999	sub pre_load { }
		2000	sub post_load { }
1379		2001
1380	sub load {	2002	sub load {
1381	my ($self) = @_;	2003	my ($self) = @_;
1382		2004
		2005	local $self->{deny_reset} = 1; # loading can take a long time
		2006
1383	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1384	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2010	my $guard = cf::lock_acquire "map_data:$path";
1385		2011
		2012	return unless $self->valid;
1386	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1387		2014
1388	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1389		2016
1390	$self->alloc;	2017	$self->alloc;
1391	$self->load_objects ($self->{load_path}, 1)	2018
		2019	$self->pre_load;
		2020	cf::cede_to_tick;
		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1392	or return;	2025	or return;
1393		2026
1394	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395	if delete $self->{load_original};	2028	if delete $self->{load_original};
1396		2029
1397	if (my $uniq = $path->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1398	utf8::encode $uniq;	2031	utf8::encode $uniq;
1399	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1400	$self->clear_unique_items;	2034	$self->clear_unique_items;
1401	$self->load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1402	}	2038	}
1403	}	2039	}
1404		2040
1405	Coro::cede;	2041	$f->resolve_delayed_derefs;
1406		2042
		2043	cf::cede_to_tick;
1407	# now do the right thing for maps	2044	# now do the right thing for maps
1408	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1409
1410	if ($self->{path}->is_style_map) {
1411	$self->{deny_save} = 1;
1412	$self->{deny_reset} = 1;
1413	} else {
1414	$self->decay_objects;
1415	$self->fix_auto_apply;
1416	$self->update_buttons;
1417	$self->set_darkness_map;
1418	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1419	unless $self->difficulty;	2047	unless $self->difficulty;
		2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1420	$self->activate;	2057	$self->activate;
1421	}	2058	}
1422		2059
1423	Coro::cede;	2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1424		2062
1425	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
		2064	}
		2065
		2066	$self->post_load;
		2067	}
		2068
		2069	sub customise_for {
		2070	my ($self, $ob) = @_;
		2071
		2072	return find "~" . $ob->name . "/" . $self->{path}
		2073	if $self->per_player;
		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
		2078	$self
1426	}	2079	}
1427		2080
1428	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1429	sub load_diag {	2082	sub load_neighbours {
1430	my ($map) = @_;	2083	my ($map) = @_;
1431		2084
1432	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1433		2086
1434	for (0 .. 3) {	2087	for (0 .. 3) {
1435	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1436	or next;	2089	or next;
1437	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1438	or next;	2091	or next;
1439	$neigh->load;	2092	$neigh->load;
1440		2093
		2094	push @neigh,
1441	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1442	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1443	}	2097	}
1444		2098
1445	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1446	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1447	or next;	2102	or next;
1448	$neigh->load;	2103	$neigh->load;
1449	}	2104	}
1450	}	2105	}
1451		2106
…		…
1456	}	2111	}
1457		2112
1458	sub do_load_sync {	2113	sub do_load_sync {
1459	my ($map) = @_;	2114	my ($map) = @_;
1460		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1461	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1462	}	2120	}
1463		2121
1464	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
		2123	our $MAP_PREFETCHER = undef;
		2124
		2125	sub find_async {
		2126	my ($path, $origin, $load) = @_;
		2127
		2128	$path = normalise $path, $origin && $origin->{path};
		2129
		2130	if (my $map = $cf::MAP{$path}) {
		2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2132	}
		2133
		2134	$MAP_PREFETCH{$path} |= $load;
		2135
1465	our $MAP_PREFETCHER = Coro::async {	2136	$MAP_PREFETCHER ||= cf::async {
1466	while () {	2137	$Coro::current->{desc} = "map prefetcher";
		2138
1467	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1468	my $key = each %MAP_PREFETCH	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1469	or next;	2141	if (my $map = find $k) {
		2142	$map->load if $v;
		2143	}
		2144
1470	my $path = delete $MAP_PREFETCH{$key};	2145	delete $MAP_PREFETCH{$k};
1471
1472	my $map = find $path
1473	or next;
1474	$map->load;
1475	}	2146	}
1476	Coro::schedule;	2147	}
		2148	undef $MAP_PREFETCHER;
1477	}	2149	};
1478	};
1479
1480	sub find_async {
1481	my ($path, $origin) = @_;
1482
1483	$path = new cf::path $path, $origin && $origin->path;
1484	my $key = $path->as_string;
1485
1486	if (my $map = $cf::MAP{$key}) {
1487	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488	}
1489
1490	$MAP_PREFETCH{$key} = $path;
1491	$MAP_PREFETCHER->ready;	2150	$MAP_PREFETCHER->prio (6);
1492		2151
1493	()	2152	()
1494	}	2153	}
1495		2154
1496	sub save {	2155	sub save {
1497	my ($self) = @_;	2156	my ($self) = @_;
1498		2157
1499	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1500		2159
1501	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1502		2161
1503	return unless $self->dirty;	2162	return unless $self->dirty;
1504		2163
1505	my $save = $self->{path}->save_path; utf8::encode $save;	2164	my $save = $self->save_path; utf8::encode $save;
1506	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2165	my $uniq = $self->uniq_path; utf8::encode $uniq;
1507		2166
1508	$self->{load_path} = $save;	2167	$self->{load_path} = $save;
1509		2168
1510	return if $self->{deny_save};	2169	return if $self->{deny_save};
1511		2170
1512	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1513		2172
1514	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1515	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1516	};	2176	};
1517		2177
1518	if ($uniq) {	2178	if ($uniq) {
1519	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520	$self->save_objects ($uniq, cf::IO_UNIQUES);	2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1521	} else {	2181	} else {
1522	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523	}	2183	}
1524	}	2184	}
1525		2185
1526	sub swap_out {	2186	sub swap_out {
1527	my ($self) = @_;	2187	my ($self) = @_;
1528		2188
1529	# save first because save cedes	2189	# save first because save cedes
1530	$self->save;	2190	$self->save;
1531		2191
1532	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1533		2193
1534	return if $self->players;	2194	return if $self->players;
1535	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1536	return if $self->{deny_save};	2196	return if $self->{deny_save};
1537		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1538	$self->clear;	2202	$self->clear;
1539	$self->in_memory (cf::MAP_SWAPPED);
1540	}	2203	}
1541		2204
1542	sub reset_at {	2205	sub reset_at {
1543	my ($self) = @_;	2206	my ($self) = @_;
1544		2207
1545	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1546	return 1e99 if $self->{path}{user_rel};
1547	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1548		2210
1549	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551		2213
…		…
1556	my ($self) = @_;	2218	my ($self) = @_;
1557		2219
1558	$self->reset_at <= $cf::RUNTIME	2220	$self->reset_at <= $cf::RUNTIME
1559	}	2221	}
1560		2222
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->{path}->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2223	sub reset {
1575	my ($self) = @_;	2224	my ($self) = @_;
1576		2225
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2227
1579	return if $self->players;	2228	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2229
1582	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1583		2241
1584	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1585		2243
		2244	$self->deactivate;
1586	$_->clear_links_to ($self) for values %cf::MAP;	2245	$_->clear_links_to ($self) for values %cf::MAP;
		2246	$self->clear;
1587		2247
1588	$self->{path}->unlink_save;	2248	$self->unlink_save;
1589	$self->destroy;	2249	$self->destroy;
1590	}	2250	}
1591		2251
1592	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1593		2253
1594	sub nuke {	2254	sub nuke {
1595	my ($self) = @_;	2255	my ($self) = @_;
1596		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
		2260	delete $cf::MAP{$self->path};
		2261
		2262	$self->unlink_save;
		2263
		2264	bless $self, "cf::map";
		2265	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2269
		2270	$cf::MAP{$self->path} = $self;
		2271	}
		2272
1600	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
1601	}	2274	}
1602		2275
1603	sub customise_for {	2276	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2277
1606	if ($map->per_player) {	2278	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
1608	}	2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
1609		2293
1610	$map	2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1611	}	2310	}
1612		2311
1613	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1614		2313
1615	Returns an arrayref of cf::path's of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2315	instantiated unique items. May block.
1617		2316
1618	=cut	2317	=cut
1619		2318
1620	sub unique_maps() {	2319	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1622	or return;	2321	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2322	utf8::decode $_;
1628	next if /\.pst$/;	2323	/\.map$/
1629	next unless /^$PATH_SEP/o;	2324	? normalise $_
1630		2325	: ()
1631	push @paths, new cf::path $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2327	]
1633
1634	\@paths
1635	}	2328	}
1636		2329
1637	package cf;	2330	package cf;
1638		2331
1639	=back	2332	=back
…		…
1657	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1658	}	2351	}
1659		2352
1660	sub inv_recursive {	2353	sub inv_recursive {
1661	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1662	}	2383	}
1663		2384
1664	package cf;	2385	package cf;
1665		2386
1666	=back	2387	=back
…		…
1685		2406
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2408
1688	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1690	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1693	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1694	}	2434	}
1695		2435
1696	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1697		2437
1698	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1711		2451
1712	=item $player_object->enter_link	2452	=item $player_object->enter_link
1713		2453
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2455
1716	The player should be reaosnably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2457	I<MUST> call C<leave_link> as soon as possible, though.
1718		2458
		2459	Will never block.
		2460
1719	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1720		2462
1721	Moves the player out of the specila link map onto the given map. If the	2463	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2464	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2465	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2466	fails, to the emergency map position.
1725		2467
1726	Might block.	2468	Might block.
1727		2469
1728	=cut	2470	=cut
		2471
		2472	sub link_map {
		2473	unless ($LINK_MAP) {
		2474	$LINK_MAP = cf::map::find "{link}"
		2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2476	$LINK_MAP->load;
		2477	}
		2478
		2479	$LINK_MAP
		2480	}
1729		2481
1730	sub cf::object::player::enter_link {	2482	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2483	my ($self) = @_;
1732		2484
1733	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1734		2486
1735	return if $self->map == $LINK_MAP;	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2488
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1739		2491
1740	$self->enter_map ($LINK_MAP, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2493	}
1742		2494
1743	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1745		2499
1746	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1747		2501
1748	unless ($map) {	2502	unless ($map) {
1749	# restore original map position	2503	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1766		2520
1767	$map->load;	2521	$map->load;
1768	$map->load_diag;	2522	$map->load_neighbours;
1769		2523
1770	return unless $self->contr->active;	2524	return unless $self->contr->active;
1771	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1773	}	2529	}
1774		2530
1775	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2532
1779	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1783	};	2537	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2538
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1810		2542
1811	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2545
1814	$path = new cf::path $path;	2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2548
1816	$self->enter_link;	2549	$self->enter_link;
1817		2550
1818	(async {	2551	(async {
1819	my $map = cf::map::find $path->as_string;	2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
		2573	my $map = eval {
		2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
1821		2578	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2579	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
1826		2582
		2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
		2589	}
		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1828	})->prio (1);	2597	})->prio (1);
1829	}	2598	}
1830		2599
1831	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1832		2601
…		…
1834		2603
1835	sub parse_random_map_params {	2604	sub parse_random_map_params {
1836	my ($spec) = @_;	2605	my ($spec) = @_;
1837		2606
1838	my $rmp = { # defaults	2607	my $rmp = { # defaults
1839	xsize => 10,	2608	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2609	ysize => (cf::rndm 15, 40),
		2610	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2611	#layout => string,
1841	};	2612	};
1842		2613
1843	for (split /\n/, $spec) {	2614	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2615	my ($k, $v) = split /\s+/, $_, 2;
1845		2616
…		…
1849	$rmp	2620	$rmp
1850	}	2621	}
1851		2622
1852	sub prepare_random_map {	2623	sub prepare_random_map {
1853	my ($exit) = @_;	2624	my ($exit) = @_;
		2625
		2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2627
1855	# all this does is basically replace the /! path by	2628	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2629	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2630	# that depends on the exit object
1858		2631
1859	my $rmp = parse_random_map_params $exit->msg;	2632	my $rmp = parse_random_map_params $exit->msg;
1860		2633
1861	if ($exit->map) {	2634	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2635	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2636	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2637	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1866	}	2639	}
1867		2640
1868	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1869		2642
1870	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
		2645	my $meta = "$RANDOMDIR/$md5.meta";
1872		2646
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
		2649	undef $fh;
		2650	aio_rename "$meta~", $meta;
1875		2651
1876	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2653	$exit->msg (undef);
1878	}	2654	}
1879	}	2655	}
…		…
1881	sub cf::object::player::enter_exit {	2657	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2658	my ($self, $exit) = @_;
1883		2659
1884	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1885		2661
		2662	if ($exit->slaying eq "/!") {
		2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
		2666	cf::sync_job { prepare_random_map $exit };
		2667	}
		2668
		2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2670	my $hp = $exit->stats->hp;
		2671	my $sp = $exit->stats->sp;
		2672
1886	$self->enter_link;	2673	$self->enter_link;
1887		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1888	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1889	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2683	unless (eval {
1891	prepare_random_map $exit	2684	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2685
1897	1;	2686	1;
1898	}) {	2687	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2692
1904	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2694	$self->leave_link;
1906	}	2695	}
1907	})->prio (1);	2696	})->prio (1);
…		…
1920		2709
1921	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1923		2712
1924	utf8::encode $text;	2713	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2715	}
1927		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1928		2875
1929	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1930		2877
1931	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2881
1935	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2883	become reliable at some point in the future.
1937		2884
1938	=cut	2885	=cut
1939		2886
1940	sub cf::client::query {	2887	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2896	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2898
1952	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1954	}	2903	}
1955		2904
1956	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1957	on_reply => sub {	2911	on_reply => sub {
1958	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1959		2913
1960	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1961	# get handled first	2915	# get handled first
1962	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2918
1965	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2921
1967	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1968		2923
1969	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2925	if (@$queue) {
…		…
1972	} else {	2927	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2929	}
1975	}	2930	}
1976	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
1977	);	2958	);
1978		2959
1979	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
1980		2961
1981	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
2024		3005
2025	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2026		3007
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2028		3013
2029	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2030		3015
2031	=pod	3016	=pod
2032		3017
2033	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2034		3019
2035	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2036	cf::object::player player	3024	cf::object::player
2037	cf::player peaceful	3025	player
2038	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2039		3032
2040	=cut	3033	=cut
2041		3034
2042	for (	3035	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2044	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2047	) {	3042	) {
2048	no strict 'refs';	3043	no strict 'refs';
…		…
2119	=back	3114	=back
2120		3115
2121	=cut	3116	=cut
2122		3117
2123	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2124		3120
2125	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2126		3123
2127	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2128	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2129	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2130		3127
2131	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2132	using it, it should be unique.
2133		3129
2134	=over 4	3130	warn "loading facedata from $path\n";
2135		3131
2136	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2137		3135
2138	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2139	modified. After modifications, you have to call C<cf::db_dirty> or
2140	C<cf::db_sync>.
2141		3137
2142	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2143		3140
2144	Returns a single value from the database	3141	# patch in the exptable
2145		3142	$facedata->{resource}{"res/exp_table"} = {
2146	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2147		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	3145	};
		3146	cf::cede_to_tick;
2197		3147
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2202		3150
2203	sub db_get($;$) {	3151	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}	3153	cf::face::set_visibility $idx, $info->{visibility};
2206	: ($DB->{$_[0]} ||= { })	3154	cf::face::set_magicmap $idx, $info->{magicmap};
2207	}	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2208		3157
2209	sub db_put($$;$) {	3158	cf::cede_to_tick;
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	3159	}
2223	);
2224	}
2225		3160
2226	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
2228		3171
2229	sub cfg_load {	3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3299	or return;
2232		3300
2233	local $/;	3301	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2235		3303
…		…
2249		3317
2250	sub main {	3318	sub main {
2251	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2254	async { Event::one_event };	3322	(async {
		3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
		3325	})->prio (Coro::PRIO_MAX);
2255	};	3326	};
2256		3327
2257	cfg_load;	3328	reload_config;
2258	db_load;	3329	db_init;
2259	load_extensions;	3330	load_extensions;
		3331
		3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2260	Event::loop;	3334	EV::loop;
2261	}	3335	}
2262		3336
2263	#############################################################################	3337	#############################################################################
2264	# initialisation and cleanup	3338	# initialisation and cleanup
2265		3339
2266	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2267	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2268	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2270	data => WF_AUTOCANCEL,
2271	signal => $signal,
2272	cb => sub {
2273	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2274	},
2275	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2276	}	3385	1
2277	}	3386	}
2278		3387
2279	sub emergency_save() {	3388	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2281		3390
2282	warn "enter emergency perl save\n";	3391	warn "enter emergency perl save\n";
2283		3392
2284	cf::sync_job {	3393	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3394	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3395	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2292	$pl->save;	3402	$pl->save;
2293	}	3403	}
2294	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2295		3405
2296	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2298	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3409	$map->valid or next;
2300	$map->save;	3410	$map->save;
2301	}	3411	}
2302	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2303	};	3417	};
2304		3418
2305	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2306	}	3420	}
2307		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2308	sub reload() {	3429	sub do_reload_perl() {
2309	# can/must only be called in main	3430	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3432	warn "can only reload from main coroutine";
2312	return;	3433	return;
2313	}	3434	}
2314		3435
2315	warn "reloading...";	3436	warn "reloading...";
2316		3437
2317	warn "freezing server";	3438	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2320		3444
2321	warn "sync database to disk";	3445	warn "syncing database to disk";
2322	cf::db_sync;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3447
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2327		3449
2328	warn "cancel all watchers";	3450	warn "flushing outstanding aio requests";
2329	for (Event::all_watchers) {	3451	for (;;) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3452	BDB::flush;
		3453	IO::AIO::flush;
		3454	Coro::cede_notself;
		3455	last unless IO::AIO::nreqs || BDB::nreqs;
		3456	warn "iterate...";
2331	}	3457	}
2332		3458
		3459	++$RELOAD;
		3460
2333	warn "cancel all extension coros";	3461	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3463	%EXT_CORO = ();
2336		3464
2337	warn "remove commands";	3465	warn "removing commands";
2338	%COMMAND = ();	3466	%COMMAND = ();
2339		3467
2340	warn "remove ext commands";	3468	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2342		3471
2343	warn "unload/nuke all extensions";	3472	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3474	warn "... unloading $pkg";
2346		3475
2347	if (my $cb = $pkg->can ("unload")) {	3476	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3477	eval {
…		…
2353		3482
2354	warn "... nuking $pkg";	3483	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3484	Symbol::delete_package $pkg;
2356	}	3485	}
2357		3486
2358	warn "unload all perl modules loaded from $LIBDIR";	3487	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3488	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3490
2362	warn "removing <$k>";	3491	warn "... unloading $k";
2363	delete $INC{$k};	3492	delete $INC{$k};
2364		3493
2365	$k =~ s/\.pm$//;	3494	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3495	$k =~ s/\//::/g;
2367		3496
…		…
2370	}	3499	}
2371		3500
2372	Symbol::delete_package $k;	3501	Symbol::delete_package $k;
2373	}	3502	}
2374		3503
2375	warn "get rid of safe::, as good as possible";	3504	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3507
2379	warn "unload cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2381		3511
2382	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3513	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2385		3515
		3516	warn "unload completed, starting to reload now";
		3517
2386	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2387	require cf;	3519	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3521
2390	warn "load config and database again";	3522	warn "loading config and database again";
2391	cf::cfg_load;	3523	cf::reload_config;
2392	cf::db_load;
2393		3524
2394	warn "load extensions";	3525	warn "loading extensions";
2395	cf::load_extensions;	3526	cf::load_extensions;
2396		3527
2397	warn "reattach attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3529	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3530	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2401	};	3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2402		3534
2403	if ($@) {	3535	warn "leaving sync_job";
		3536
		3537	1
		3538	} or do {
2404	warn $@;	3539	warn $@;
2405	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2406	exit 1;	3541	exit 1;
2407	}	3542	};
2408		3543
2409	warn "reloaded";	3544	warn "reloaded";
2410	};	3545	};
2411		3546
2412	#############################################################################	3547	our $RELOAD_WATCHER; # used only during reload
2413		3548
2414	unless ($LINK_MAP) {	3549	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
2416		3552
2417	$LINK_MAP->width (41);	3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2418	$LINK_MAP->height (41);	3554	undef $RELOAD_WATCHER;
2419	$LINK_MAP->alloc;	3555	do_reload_perl;
2420	$LINK_MAP->path ("{link}");	3556	};
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,
2427	cb => sub {
2428	$_[0]->w->cancel;
2429
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});
2448
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3557	}
2454		3558
2455	register_command "reload" => sub {	3559	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2457		3561
2458	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
		3566	reload_perl;
		3567	};
2462	}	3568	}
2463	};	3569	};
2464		3570
2465	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2466		3572
2467	$TICK_WATCHER = Event->timer (	3573	my $bug_warning = 0;
2468	reentrant => 0,
2469	prio => 0,
2470	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,
2472	cb => sub {
2473	$NOW = Event::time;
2474		3574
		3575	our @WAIT_FOR_TICK;
		3576	our @WAIT_FOR_TICK_BEGIN;
		3577
		3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
2475	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2476	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2478		3609
2479	$WAIT_FOR_TICK->broadcast;	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2481		3612	Coro::async_pool {
2482	# if we are delayed by four ticks or more, skip them all	3613	$Coro::current->{desc} = "runtime saver";
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484
2485	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;
2487	},
2488	);
2489
2490	IO::AIO::max_poll_time $TICK * 0.2;
2491
2492	Event->io (
2493	fd => IO::AIO::poll_fileno,
2494	poll => 'r',
2495	prio => 5,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,
2502	after => 0,
2503	interval => 10,
2504	cb => sub {
2505	(Coro::unblock_sub {
2506	write_runtime	3614	write_runtime
2507	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2508	})->();	3616	};
2509	},	3617	}
2510	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
		3642	sub {
		3643	$status = $!;
		3644	$current->ready; undef $current;
		3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
		3650	)
		3651	};
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2511		3737
2512	END { cf::emergency_save }	3738	END { cf::emergency_save }
2513		3739
2514	1	3740	1
2515		3741

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