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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.360 by root, Sun Sep 9 06:25:46 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 Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
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 ();
		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;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		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
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	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
226	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,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	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
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($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#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
271	}	393	}
272		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
288		411
289	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		481
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
352	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
353		486
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		488
358	aio_fsync $fh	489	sub fork_call(&@) {
359	and return;	490	my ($cb, @args) = @_;
360		491
361	close $fh	492	# we seemingly have to make a local copy of the whole thing,
362	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
363		495
364	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
365	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
366		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
367	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	629	}
369		630
370	=back	631	=back
371		632
372	=cut	633	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
381		642
382	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	645	Crossfire TRT).
385		646
386	=over 4	647	=over 4
387		648
388	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
389		650
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
553		814
554	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		819
559	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	821	my $pkg = shift @arg;
561		822
562	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
592	}	853	}
593		854
594	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
595	} else {	856	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	858	}
598		859
599	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
600	}	861	}
601		862
…		…
603	if (ref $_[0]) {	864	if (ref $_[0]) {
604	_object_attach @_;	865	_object_attach @_;
605	} else {	866	} else {
606	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
607	}	868	}
		869	_recalc_want;
608	};	870	};
609		871
610	# all those should be optimised	872	# all those should be optimised
611	sub cf::attachable::detach {	873	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
616	reattach ($obj);	878	reattach ($obj);
617	} else {	879	} else {
618	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
619	}	881	}
		882	_recalc_want;
620	};	883	};
621		884
622	sub cf::attachable::attached {	885	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
624		887
…		…
639	";	902	";
640	die if $@;	903	die if $@;
641	}	904	}
642		905
643	our $override;	906	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		908
646	sub override {	909	sub override {
647	$override = 1;	910	$override = 1;
648	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
649	}	912	}
650		913
651	sub do_invoke {	914	sub do_invoke {
652	my $event = shift;	915	my $event = shift;
653	my $callbacks = shift;	916	my $callbacks = shift;
654		917
655	@invoke_results = ();	918	@INVOKE_RESULTS = ();
656		919
657	local $override;	920	local $override;
658		921
659	for (@$callbacks) {	922	for (@$callbacks) {
660	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
677		940
678	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
679		942
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		946
684	=back	947	=back
685		948
686	=cut	949	=cut
687		950
688	#############################################################################	951	#############################################################################
689	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
690		964
691	sub reattach {	965	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	967	my ($obj) = @_;
694		968
…		…
739	);	1013	);
740		1014
741	sub object_freezer_save {	1015	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
743		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
744	sync_job {	1020	sync_job {
745	if (length $$rdata) {	1021	if (length $$rdata) {
746	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
748		1024
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1029	close $fh;
754		1030
755	if (@$objs) {	1031	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1037	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
763	}	1039	}
764	} else {	1040	} else {
765	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
771	}	1047	}
772	} else {	1048	} else {
773	aio_unlink $filename;	1049	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
775	}	1051	}
776	}	1052	};
		1053
		1054	undef $guard;
777	}	1055	}
778		1056
779	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
781		1059
…		…
786		1064
787	sub object_thawer_load {	1065	sub object_thawer_load {
788	my ($filename) = @_;	1066	my ($filename) = @_;
789		1067
790	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
791		1071
792	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
793	or return;	1073	or return;
794		1074
795	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
797	or return;	1077	or return;
		1078
		1079	undef $guard;
798	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1081	}
800		1082
801	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
803	return ($data, $av);	1086	($data, $av)
804	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
805		1094
806	#############################################################################	1095	#############################################################################
807	# command handling &c	1096	# command handling &c
808		1097
809	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1112	}
824		1113
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1115
827	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
828		1121
829	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
830	called.	1123	called.
831		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
832	=cut	1136	=cut
833		1137
834	sub register_extcmd {	1138	sub register_extcmd {
835	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
836		1140
837	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
838	}	1148	}
839		1149
840	cf::player->attach (	1150	cf::player->attach (
841	on_command => sub {	1151	on_command => sub {
842	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1161	cf::override;
852	},	1162	},
853	on_extcmd => sub {	1163	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
855		1165
856	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1167
858	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
864	} else {	1183	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1185	}
867		1186
868	cf::override;	1187	cf::override;
869	},	1188	},
870	);	1189	);
871		1190
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
907	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1196	next unless -r $path;
909	eval {	1197
910	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
911	1	1255	}
912	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
913	}	1261	};
914	}	1262	}
915		1263
916	#############################################################################	1264	#############################################################################
917		1265
		1266	=back
		1267
918	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
919		1269
920	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
921		1271
922	=cut	1272	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
935		1285
936	=cut	1286	=cut
937		1287
938	sub playerdir($) {	1288	sub playerdir($) {
939	cf::localdir	1289	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1291	}
945		1292
946	sub path($) {	1293	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1295
949	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
950	}	1297	}
951		1298
952	sub find_active($) {	1299	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
957		1304
958	sub exists($) {	1305	sub exists($) {
959	my ($login) = @_;	1306	my ($login) = @_;
960		1307
961	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
963	}	1310	}
964		1311
965	sub find($) {	1312	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1314	my $login = $_[0];
968		1315
969	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
970		1317
971	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
973	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
975	}	1335	}
976	}	1336	}
977	}	1337	}
978		1338
…		…
988		1348
989	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
991		1351
992	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
993	Coro::cede;	1353	cf::cede_to_tick;
994	}	1354	}
995		1355
996	sub new($) {	1356	sub new($) {
997	my ($login) = @_;	1357	my ($login) = @_;
998		1358
…		…
1004	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1005		1365
1006	$self	1366	$self
1007	}	1367	}
1008		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1009	=item $pl->quit_character	1379	=item $pl->quit_character
1010		1380
1011	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1013		1383
1014	=cut	1384	=cut
1015		1385
1016	sub quit_character {	1386	sub quit_character {
1017	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1018		1390
1019	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1393
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1032	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1033	}	1425	}
1034		1426
1035	=item cf::player::list_logins	1427	=item cf::player::list_logins
1036		1428
1037	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1039		1431
1040	=cut	1432	=cut
1041		1433
1042	sub list_logins {	1434	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1436	or return [];
1045		1437
1046	my @logins;	1438	my @logins;
1047		1439
1048	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1052		1449
1053	utf8::decode $login;	1450	utf8::decode $login;
1054	push @logins, $login;	1451	push @logins, $login;
1055	}	1452	}
1056		1453
…		…
1064		1461
1065	=cut	1462	=cut
1066		1463
1067	sub maps($) {	1464	sub maps($) {
1068	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1468
1070	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1071	or return;	1470	or return;
1072		1471
1073	my @paths;	1472	my @paths;
…		…
1075	for (@$files) {	1474	for (@$files) {
1076	utf8::decode $_;	1475	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1079		1478
1080	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1480	}
1083		1481
1084	\@paths	1482	\@paths
1085	}	1483	}
1086		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1088		1537
1089	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1090		1539
1091	=cut	1540	=cut
1092		1541
1093	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1095		1544
1096	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1546	}
1100		1547
1101	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1102		1588
1103	=back	1589	=back
1104
1105		1590
1106	=head3 cf::map	1591	=head3 cf::map
1107		1592
1108	=over 4	1593	=over 4
1109		1594
…		…
1121	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1123		1608
1124	sub generate_random_map {	1609	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1612	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1624	)
1141	}	1625	}
1142		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
1143	sub register {	1635	sub register {
1144	my (undef, $regex) = @_;	1636	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1637	my $pkg = caller;
1146		1638
1147	no strict;	1639	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1640	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1641
1150	$EXT_MAP{$pkg} = qr<$regex>;	1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1643	}
1152		1644
1153	# also paths starting with '/'	1645	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1647
1156	sub thawer_merge {	1648	sub thawer_merge {
1157	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1158		1650
1159	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1160	local $self->{path};	1652	local $self->{path};
1161	local $self->{load_path};	1653	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1654
1165	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1166	}	1656	}
1167		1657
1168	sub normalise {	1658	sub normalise {
1169	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1170		1664
1171	# map plan:	1665	# map plan:
1172	#	1666	#
1173	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1202		1696
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1698
1205	$path = normalise $path, $base;	1699	$path = normalise $path, $base;
1206		1700
1207	for my $pkg (keys %EXT_MAP) {	1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1703	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1704	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1212	return $self;	1706	return $self;
1213	}	1707	}
1214	}	1708	}
1215		1709
1216	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1711	()
1218	}	1712	}
1219		1713
1220	sub init {	1714	sub init {
1221	my ($self) = @_;	1715	my ($self) = @_;
…		…
1236		1730
1237	# the original (read-only) location	1731	# the original (read-only) location
1238	sub load_path {	1732	sub load_path {
1239	my ($self) = @_;	1733	my ($self) = @_;
1240		1734
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1242	}	1736	}
1243		1737
1244	# the temporary/swap location	1738	# the temporary/swap location
1245	sub save_path {	1739	sub save_path {
1246	my ($self) = @_;	1740	my ($self) = @_;
1247		1741
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1250	}	1744	}
1251		1745
1252	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1253	sub uniq_path {	1747	sub uniq_path {
1254	my ($self) = @_;	1748	my ($self) = @_;
1255		1749
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1258	}	1752	}
1259		1753
1260	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1261	# all maps in C++...	1755	# all maps in C++...
1262	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1264		1758
1265	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1267	}	1761	}
1268		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1269	sub unlink_save {	1771	sub unlink_save {
1270	my ($self) = @_;	1772	my ($self) = @_;
1271		1773
1272	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1778
1277	sub load_header_from($) {	1779	sub load_header_from($) {
1278	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1279		1781
1280	utf8::encode $path;	1782	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1282	or return;	1784	or return;
1283		1785
1284	$self->_load_header ($path)	1786	$self->_load_header ($f)
1285	or return;	1787	or return;
1286		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
1287	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1288		1793
1289	1	1794	1
1290	}	1795	}
1291		1796
1292	sub load_orig {	1797	sub load_header_orig {
1293	my ($self) = @_;	1798	my ($self) = @_;
1294		1799
1295	$self->load_header_from ($self->load_path)	1800	$self->load_header_from ($self->load_path)
1296	}	1801	}
1297		1802
1298	sub load_temp {	1803	sub load_header_temp {
1299	my ($self) = @_;	1804	my ($self) = @_;
1300		1805
1301	$self->load_header_from ($self->save_path)	1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
1302	}	1826	}
1303		1827
1304	sub load_header {	1828	sub load_header {
1305	my ($self) = @_;	1829	my ($self) = @_;
1306		1830
1307	if ($self->load_temp) {	1831	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1832	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1833	} else {
1314	$self->load_orig	1834	$self->load_header_orig
1315	or return;	1835	or return;
1316		1836	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1837	}
		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
1322		1844
1323	1	1845	1
1324	}	1846	}
1325		1847
1326	sub find;	1848	sub find;
1327	sub find {	1849	sub find {
1328	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1329		1851
1330	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1331		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1332	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1333		1856
1334	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1335	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1336	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1337	or return;	1862	or return;
1338		1863
1339	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1340		1865
1341	$map->load_header	1866	$map->load_header
1342	or return;	1867	or return;
1343		1868
1344	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1346	$map->reset;	1874	$map->reset;
1347	undef $guard;
1348	$map = find $path	1875	return find $path;
1349	or return;
1350	}	1876	}
1351		1877
1352	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1353	}	1879	}
1354	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1355		1884
1356	sub load {	1885	sub load {
1357	my ($self) = @_;	1886	my ($self) = @_;
1358		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1359	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1361		1894
		1895	return unless $self->valid;
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1363		1897
1364	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1365		1899
1366	$self->alloc;	1900	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1368	or return;	1908	or return;
1369		1909
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371	if delete $self->{load_original};	1911	if delete $self->{load_original};
1372		1912
1373	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;	1914	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1376	$self->clear_unique_items;	1917	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1378	}	1921	}
1379	}	1922	}
1380		1923
1381	Coro::cede;	1924	$f->resolve_delayed_derefs;
1382		1925
		1926	cf::cede_to_tick;
1383	# now do the right thing for maps	1927	# now do the right thing for maps
1384	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;
1391	$self->set_darkness_map;
1392	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1930	unless $self->difficulty;
1394	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1395	$self->activate;	1940	$self->activate;
1396	}	1941	}
1397		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
1399	}	1950	}
1400		1951
1401	sub customise_for {	1952	sub customise_for {
1402	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1403		1954
1404	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1956	if $self->per_player;
1406		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1407	$self	1961	$self
1408	}	1962	}
1409		1963
1410	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	1965	sub load_neighbours {
1412	my ($map) = @_;	1966	my ($map) = @_;
1413		1967
1414	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1415		1969
1416	for (0 .. 3) {	1970	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1418	or next;	1972	or next;
1419	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1420	or next;	1974	or next;
1421	$neigh->load;	1975	$neigh->load;
1422		1976
		1977	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	1980	}
1426		1981
1427	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1429	or next;	1985	or next;
1430	$neigh->load;	1986	$neigh->load;
1431	}	1987	}
1432	}	1988	}
1433		1989
…		…
1438	}	1994	}
1439		1995
1440	sub do_load_sync {	1996	sub do_load_sync {
1441	my ($map) = @_;	1997	my ($map) = @_;
1442		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1443	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1444	}	2003	}
1445		2004
1446	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	2006	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		2007
1460	sub find_async {	2008	sub find_async {
1461	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1462		2010
1463	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1464		2012
1465	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
1467	}	2030	};
1468
1469	$MAP_PREFETCH{$path} = 0;
1470	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1471		2032
1472	()	2033	()
1473	}	2034	}
1474		2035
1475	sub save {	2036	sub save {
1476	my ($self) = @_;	2037	my ($self) = @_;
1477		2038
1478	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1479		2040
1480	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1481		2042
1482	return unless $self->dirty;	2043	return unless $self->dirty;
1483		2044
…		…
1506	my ($self) = @_;	2067	my ($self) = @_;
1507		2068
1508	# save first because save cedes	2069	# save first because save cedes
1509	$self->save;	2070	$self->save;
1510		2071
1511	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1512		2073
1513	return if $self->players;	2074	return if $self->players;
1514	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1515	return if $self->{deny_save};	2076	return if $self->{deny_save};
1516		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1517	$self->clear;	2082	$self->clear;
1518	$self->in_memory (cf::MAP_SWAPPED);
1519	}	2083	}
1520		2084
1521	sub reset_at {	2085	sub reset_at {
1522	my ($self) = @_;	2086	my ($self) = @_;
1523		2087
1524	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1527		2090
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2093
…		…
1541	my ($self) = @_;	2104	my ($self) = @_;
1542		2105
1543	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1544		2107
1545	return if $self->players;	2108	return if $self->players;
1546	return if $self->isa ("ext::map_per_player");#d#
1547		2109
1548	warn "resetting map ", $self->path;#d#	2110	warn "resetting map ", $self->path;
		2111
		2112	$self->in_memory (cf::MAP_SWAPPED);
		2113
		2114	# need to save uniques path
		2115	unless ($self->{deny_save}) {
		2116	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2117
		2118	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2119	if $uniq;
		2120	}
1549		2121
1550	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1551		2123
1552	$self->in_memory (cf::MAP_SWAPPED);	2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1553	$self->clear;	2126	$self->clear;
1554
1555	$_->clear_links_to ($self) for values %cf::MAP;
1556		2127
1557	$self->unlink_save;	2128	$self->unlink_save;
1558	$self->destroy;	2129	$self->destroy;
1559	}	2130	}
1560		2131
1561	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1562		2133
1563	sub nuke {	2134	sub nuke {
1564	my ($self) = @_;	2135	my ($self) = @_;
1565		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
1566	delete $cf::MAP{$self->path};	2140	delete $cf::MAP{$self->path};
1567		2141
1568	$self->unlink_save;	2142	$self->unlink_save;
1569		2143
1570	bless $self, "cf::map";	2144	bless $self, "cf::map";
1571	delete $self->{deny_reset};	2145	delete $self->{deny_reset};
1572	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1573	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1574	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1575		2149
1576	$cf::MAP{$self->path} = $self;	2150	$cf::MAP{$self->path} = $self;
		2151	}
1577		2152
1578	$self->reset; # polite request, might not happen	2153	$self->reset; # polite request, might not happen
		2154	}
		2155
		2156	=item $maps = cf::map::tmp_maps
		2157
		2158	Returns an arrayref with all map paths of currently instantiated and saved
		2159	maps. May block.
		2160
		2161	=cut
		2162
		2163	sub tmp_maps() {
		2164	[
		2165	map {
		2166	utf8::decode $_;
		2167	/\.map$/
		2168	? normalise $_
		2169	: ()
		2170	} @{ aio_readdir $TMPDIR or [] }
		2171	]
		2172	}
		2173
		2174	=item $maps = cf::map::random_maps
		2175
		2176	Returns an arrayref with all map paths of currently instantiated and saved
		2177	random maps. May block.
		2178
		2179	=cut
		2180
		2181	sub random_maps() {
		2182	[
		2183	map {
		2184	utf8::decode $_;
		2185	/\.map$/
		2186	? normalise "?random/$_"
		2187	: ()
		2188	} @{ aio_readdir $RANDOMDIR or [] }
		2189	]
1579	}	2190	}
1580		2191
1581	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1582		2193
1583	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1584	instantiated unique items. May block.	2195	instantiated unique items. May block.
1585		2196
1586	=cut	2197	=cut
1587		2198
1588	sub unique_maps() {	2199	sub unique_maps() {
1589	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1590	or return;	2201	map {
1591
1592	my @paths;
1593
1594	for (@$files) {
1595	utf8::decode $_;	2202	utf8::decode $_;
1596	next if /\.pst$/;
1597	next unless /^$PATH_SEP/o;
1598
1599	s/\.map$//;	2203	/\.map$/
1600	push @paths, $_;	2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $UNIQUEDIR or [] }
1601	}	2207	]
1602
1603	\@paths
1604	}	2208	}
1605		2209
1606	package cf;	2210	package cf;
1607		2211
1608	=back	2212	=back
…		…
1626	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1627	}	2231	}
1628		2232
1629	sub inv_recursive {	2233	sub inv_recursive {
1630	inv_recursive_ inv $_[0]	2234	inv_recursive_ inv $_[0]
		2235	}
		2236
		2237	=item $ref = $ob->ref
		2238
		2239	creates and returns a persistent reference to an objetc that can be stored as a string.
		2240
		2241	=item $ob = cf::object::deref ($refstring)
		2242
		2243	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2244	even if the object actually exists. May block.
		2245
		2246	=cut
		2247
		2248	sub deref {
		2249	my ($ref) = @_;
		2250
		2251	# temporary compatibility#TODO#remove
		2252	$ref =~ s{^<}{player/<};
		2253
		2254	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2255	my ($uuid, $name) = ($1, $2);
		2256	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2257	or return;
		2258	$pl->ob->uuid eq $uuid
		2259	or return;
		2260
		2261	$pl->ob
		2262	} else {
		2263	warn "$ref: cannot resolve object reference\n";
		2264	undef
		2265	}
1631	}	2266	}
1632		2267
1633	package cf;	2268	package cf;
1634		2269
1635	=back	2270	=back
…		…
1654		2289
1655	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1656		2291
1657	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1658	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1659	} else {	2295	} else {
		2296	my $pl = $self->contr;
		2297
		2298	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2299	my $dialog = $pl->{npc_dialog};
		2300	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2301
		2302	} else {
1660	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1661	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1662	}	2306	}
		2307	}
		2308
		2309	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2310
		2311	=cut
		2312
		2313	sub cf::object::send_msg {
		2314	my $pl = shift->contr
		2315	or return;
		2316	$pl->send_msg (@_);
1663	}	2317	}
1664		2318
1665	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1666		2320
1667	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1699	=cut	2353	=cut
1700		2354
1701	sub link_map {	2355	sub link_map {
1702	unless ($LINK_MAP) {	2356	unless ($LINK_MAP) {
1703	$LINK_MAP = cf::map::find "{link}"	2357	$LINK_MAP = cf::map::find "{link}"
1704	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1705	$LINK_MAP->load;	2359	$LINK_MAP->load;
1706	}	2360	}
1707		2361
1708	$LINK_MAP	2362	$LINK_MAP
1709	}	2363	}
…		…
1714	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1715		2369
1716	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1717		2371
1718	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1719	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1720		2374
1721	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1722	}	2376	}
1723		2377
1724	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1725	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1726		2382
1727	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1728		2384
1729	unless ($map) {	2385	unless ($map) {
1730	# restore original map position	2386	# restore original map position
…		…
1744	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1745	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1746	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1747		2403
1748	$map->load;	2404	$map->load;
1749	$map->load_diag;	2405	$map->load_neighbours;
1750		2406
1751	return unless $self->contr->active;	2407	return unless $self->contr->active;
1752	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1753	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1754	}	2412	}
1755		2413
1756	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1757	on_logout => sub {
1758	my ($pl) = @_;
1759		2415
1760	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1761	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1762	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1763	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1764	};	2420	be called at the end of this process.
1765	}
1766	},
1767	on_login => sub {
1768	my ($pl) = @_;
1769		2421
1770	# try to abort aborted map switching on player login :)
1771	# should happen only on crashes
1772	if ($pl->ob->{_link_pos}) {
1773	$pl->ob->enter_link;
1774	(async {
1775	# we need this sleep as the login has a concurrent enter_exit running
1776	# and this sleep increases chances of the player not ending up in scorn
1777	$pl->ob->reply (undef,
1778	"There was an internal problem at your last logout, "
1779	. "the server will try to bring you to your intended destination in a second.",
1780	cf::NDI_RED);
1781	Coro::Timer::sleep 1;
1782	$pl->ob->leave_link;
1783	})->prio (2);
1784	}
1785	},
1786	);
1787
1788	=item $player_object->goto ($path, $x, $y)
1789
1790	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1791		2425
1792	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1793	my ($self, $path, $x, $y) = @_;	2427	my ($self, $path, $x, $y, $check, $done) = @_;
		2428
		2429	# do generation counting so two concurrent goto's will be executed in-order
		2430	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1794		2431
1795	$self->enter_link;	2432	$self->enter_link;
1796		2433
1797	(async {	2434	(async {
		2435	my $map = eval {
1798	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1799	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1800		2440	$map = $check->($map) if $check && $map;
1801	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1802	# if $map;
1803
1804	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2442	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2443	}
1805		2444
		2445	$map
		2446	};
		2447
		2448	if ($@) {
		2449	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2450	LOG llevError | logBacktrace, Carp::longmess $@;
		2451	}
		2452
		2453	if ($gen == $self->{_goto_generation}) {
		2454	delete $self->{_goto_generation};
1806	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1807	})->prio (1);	2459	})->prio (1);
1808	}	2460	}
1809		2461
1810	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1811		2463
…		…
1813		2465
1814	sub parse_random_map_params {	2466	sub parse_random_map_params {
1815	my ($spec) = @_;	2467	my ($spec) = @_;
1816		2468
1817	my $rmp = { # defaults	2469	my $rmp = { # defaults
1818	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1819	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1820	};	2474	};
1821		2475
1822	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1823	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1824		2478
…		…
1828	$rmp	2482	$rmp
1829	}	2483	}
1830		2484
1831	sub prepare_random_map {	2485	sub prepare_random_map {
1832	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1833		2489
1834	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1835	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1836	# that depends on the exit object	2492	# that depends on the exit object
1837		2493
1838	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1839		2495
1840	if ($exit->map) {	2496	if ($exit->map) {
1841	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1842	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1843	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1844	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1845	}	2501	}
1846		2502
1847	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1848		2504
1849	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1850	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1851		2508
1852	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2509	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853	aio_write $fh, 0, (length $data), $data, 0;	2510	aio_write $fh, 0, (length $data), $data, 0;
		2511	undef $fh;
		2512	aio_rename "$meta~", $meta;
1854		2513
1855	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1856	$exit->msg (undef);	2515	$exit->msg (undef);
1857	}	2516	}
1858	}	2517	}
…		…
1860	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1861	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1862		2521
1863	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1864		2523
		2524	if ($exit->slaying eq "/!") {
		2525	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2526	# the problem is that $exit might not survive long enough
		2527	# so it needs to be done right now, right here
		2528	cf::sync_job { prepare_random_map $exit };
		2529	}
		2530
		2531	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2532	my $hp = $exit->stats->hp;
		2533	my $sp = $exit->stats->sp;
		2534
1865	$self->enter_link;	2535	$self->enter_link;
		2536
		2537	# if exit is damned, update players death & WoR home-position
		2538	$self->contr->savebed ($slaying, $hp, $sp)
		2539	if $exit->flag (FLAG_DAMNED);
1866		2540
1867	(async {	2541	(async {
1868	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1869	unless (eval {	2543	unless (eval {
1870	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1871	if $exit->slaying eq "/!";
1872
1873	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1874	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1875		2545
1876	1;	2546	1;
1877	}) {	2547	}) {
1878	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1879	. "I'll try to bring you back to the map you were before. "	2549	. "I'll try to bring you back to the map you were before. "
1880	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1881	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1882		2552
1883	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1884	$self->leave_link;	2554	$self->leave_link;
1885	}	2555	}
1886	})->prio (1);	2556	})->prio (1);
…		…
1899		2569
1900	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1901	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1902		2572
1903	utf8::encode $text;	2573	utf8::encode $text;
1904	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1905	}	2575	}
1906		2576
		2577	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2578
		2579	Send a drawinfo or msg packet to the client, formatting the msg for the
		2580	client if neccessary. C<$type> should be a string identifying the type of
		2581	the message, with C<log> being the default. If C<$color> is negative, suppress
		2582	the message unless the client supports the msg packet.
		2583
		2584	=cut
		2585
		2586	our %CHANNEL = (
		2587	"c/identify" => {
		2588	id => "identify",
		2589	title => "Identify",
		2590	reply => undef,
		2591	tooltip => "Items recently identified",
		2592	},
		2593	"c/examine" => {
		2594	id => "examine",
		2595	title => "Examine",
		2596	reply => undef,
		2597	tooltip => "Signs and other items you examined",
		2598	},
		2599	);
		2600
		2601	sub cf::client::send_msg {
		2602	my ($self, $channel, $msg, $color, @extra) = @_;
		2603
		2604	$msg = $self->pl->expand_cfpod ($msg);
		2605
		2606	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2607
		2608	# check predefined channels, for the benefit of C
		2609	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2610
		2611	if (ref $channel) {
		2612	# send meta info to client, if not yet sent
		2613	unless (exists $self->{channel}{$channel->{id}}) {
		2614	$self->{channel}{$channel->{id}} = $channel;
		2615	$self->ext_msg (channel_info => $channel)
		2616	if $self->can_msg;
		2617	}
		2618
		2619	$channel = $channel->{id};
		2620	}
		2621
		2622	return unless @extra || length $msg;
		2623
		2624	if ($self->can_msg) {
		2625	# default colour, mask it out
		2626	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2627	if $color & cf::NDI_DEF;
		2628
		2629	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2630	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2631	} else {
		2632	if ($color >= 0) {
		2633	# replace some tags by gcfclient-compatible ones
		2634	for ($msg) {
		2635	1 while
		2636	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2637	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2638	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2639	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2640	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2641	}
		2642
		2643	$color &= cf::NDI_COLOR_MASK;
		2644
		2645	utf8::encode $msg;
		2646
		2647	if (0 && $msg =~ /\[/) {
		2648	# COMMAND/INFO
		2649	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2650	} else {
		2651	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2652	$self->send_packet ("drawinfo $color $msg")
		2653	}
		2654	}
		2655	}
		2656	}
		2657
		2658	=item $client->ext_msg ($type, @msg)
		2659
		2660	Sends an ext event to the client.
		2661
		2662	=cut
		2663
		2664	sub cf::client::ext_msg($$@) {
		2665	my ($self, $type, @msg) = @_;
		2666
		2667	if ($self->extcmd == 2) {
		2668	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2669	} elsif ($self->extcmd == 1) { # TODO: remove
		2670	push @msg, msgtype => "event_$type";
		2671	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2672	}
		2673	}
		2674
		2675	=item $client->ext_reply ($msgid, @msg)
		2676
		2677	Sends an ext reply to the client.
		2678
		2679	=cut
		2680
		2681	sub cf::client::ext_reply($$@) {
		2682	my ($self, $id, @msg) = @_;
		2683
		2684	if ($self->extcmd == 2) {
		2685	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2686	} elsif ($self->extcmd == 1) {
		2687	#TODO: version 1, remove
		2688	unshift @msg, msgtype => "reply", msgid => $id;
		2689	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2690	}
		2691	}
1907		2692
1908	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1909		2694
1910	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1911	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2696	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1912	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2697	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1913		2698
1914	Queries can fail, so check the return code. Or don't, as queries will become	2699	Queries can fail, so check the return code. Or don't, as queries will
1915	reliable at some point in the future.	2700	become reliable at some point in the future.
1916		2701
1917	=cut	2702	=cut
1918		2703
1919	sub cf::client::query {	2704	sub cf::client::query {
1920	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1928	utf8::encode $text;	2713	utf8::encode $text;
1929	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1930		2715
1931	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1932	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1933	}	2720	}
1934		2721
1935	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1936	on_reply => sub {	2728	on_reply => sub {
1937	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1938		2730
1939	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1940	# get handled first	2732	# get handled first
1941	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1942	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1943		2735
1944	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1945		2738
1946	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1947		2740
1948	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1949	if (@$queue) {	2742	if (@$queue) {
…		…
1951	} else {	2744	} else {
1952	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1953	}	2746	}
1954	}	2747	}
1955	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($ns, $buf) = @_;
		2751
		2752	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2753
		2754	if (ref $msg) {
		2755	my ($type, $reply, @payload) =
		2756	"ARRAY" eq ref $msg
		2757	? @$msg
		2758	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2759
		2760	my @reply;
		2761
		2762	if (my $cb = $EXTICMD{$type}) {
		2763	@reply = $cb->($ns, @payload);
		2764	}
		2765
		2766	$ns->ext_reply ($reply, @reply)
		2767	if $reply;
		2768
		2769	} else {
		2770	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2771	}
		2772
		2773	cf::override;
		2774	},
1956	);	2775	);
1957		2776
1958	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
1959		2778
1960	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
2001	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
2002	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
2003		2822
2004	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
2005		2824
2006	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
2007		2830
2008	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
2009		2832
2010	=pod	2833	=pod
2011		2834
2012	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
2013		2836
2014	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
2015	cf::object::player player	2841	cf::object::player
2016	cf::player peaceful	2842	player
2017	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2018		2849
2019	=cut	2850	=cut
2020		2851
2021	for (	2852	for (
2022	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2023	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2024	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2025	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2026	) {	2859	) {
2027	no strict 'refs';	2860	no strict 'refs';
…		…
2098	=back	2931	=back
2099		2932
2100	=cut	2933	=cut
2101		2934
2102	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
2103		2937
2104	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
2105		2940
2106	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
2107	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
2108	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
2109		2944
2110	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2111	using it, it should be unique.
2112		2946
2113	=over 4	2947	warn "loading facedata from $path\n";
2114		2948
2115	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
2116		2952
2117	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
2118	modified. After modifications, you have to call C<cf::db_dirty> or
2119	C<cf::db_sync>.
2120		2954
2121	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2122		2957
2123	Returns a single value from the database	2958	# patch in the exptable
2124		2959	$facedata->{resource}{"res/exp_table"} = {
2125	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
2126		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2127	Stores the given family hashref into the database. Updates are delayed, if
2128	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_put $family => $key => $value
2131
2132	Stores the given C<$value> in the family hash. Updates are delayed, if you
2133	want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_dirty
2136
2137	Marks the database as dirty, to be updated at a later time.
2138
2139	=item cf::db_sync
2140
2141	Immediately write the database to disk I<if it is dirty>.
2142
2143	=cut
2144
2145	our $DB;
2146
2147	{
2148	my $path = cf::localdir . "/database.pst";
2149
2150	sub db_load() {
2151	$DB = stat $path ? Storable::retrieve $path : { };
2152	}
2153
2154	my $pid;
2155
2156	sub db_save() {
2157	waitpid $pid, 0 if $pid;
2158	if (0 == ($pid = fork)) {
2159	$DB->{_meta}{version} = 1;
2160	Storable::nstore $DB, "$path~";
2161	rename "$path~", $path;
2162	cf::_exit 0 if defined $pid;
2163	}
2164	}
2165
2166	my $dirty;
2167
2168	sub db_sync() {
2169	db_save if $dirty;
2170	undef $dirty;
2171	}
2172
2173	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174	db_sync;
2175	});	2962	};
		2963	cf::cede_to_tick;
2176		2964
2177	sub db_dirty() {
2178	$dirty = 1;
2179	$idle->start;
2180	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
2181		2967
2182	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
2183	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2184	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
2185	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
2186	}	2972	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2973	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2187		2974
2188	sub db_put($$;$) {	2975	cf::cede_to_tick;
2189	if (@_ >= 3) {
2190	$DB->{$_[0]}{$_[1]} = $_[2];
2191	} else {
2192	$DB->{$_[0]} = $_[1];
2193	}
2194	db_dirty;
2195	}
2196
2197	cf::global->attach (
2198	prio => 10000,
2199	on_cleanup => sub {
2200	db_sync;
2201	},	2976	}
2202	);
2203	}
2204		2977
2205	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
2206	# the server's main()	2979	next unless $info->{smooth};
		2980	my $idx = cf::face::find $face
		2981	or next;
		2982	if (my $smooth = cf::face::find $info->{smooth}) {
		2983	cf::face::set_smooth $idx, $smooth;
		2984	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2985	} else {
		2986	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2987	}
2207		2988
2208	sub cfg_load {	2989	cf::cede_to_tick;
		2990	}
		2991	}
		2992
		2993	{
		2994	my $anims = $facedata->{animinfo};
		2995
		2996	while (my ($anim, $info) = each %$anims) {
		2997	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2998	cf::cede_to_tick;
		2999	}
		3000
		3001	cf::anim::invalidate_all; # d'oh
		3002	}
		3003
		3004	{
		3005	# TODO: for gcfclient pleasure, we should give resources
		3006	# that gcfclient doesn't grok a >10000 face index.
		3007	my $res = $facedata->{resource};
		3008
		3009	my $soundconf = delete $res->{"res/sound.conf"};
		3010
		3011	while (my ($name, $info) = each %$res) {
		3012	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3013	my $data;
		3014
		3015	if ($info->{type} & 1) {
		3016	# prepend meta info
		3017
		3018	my $meta = $enc->encode ({
		3019	name => $name,
		3020	%{ $info->{meta} || {} },
		3021	});
		3022
		3023	$data = pack "(w/a*)*", $meta, $info->{data};
		3024	} else {
		3025	$data = $info->{data};
		3026	}
		3027
		3028	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3029	cf::face::set_type $idx, $info->{type};
		3030
		3031	cf::cede_to_tick;
		3032	}
		3033
		3034	if ($soundconf) {
		3035	$soundconf = $enc->decode (delete $soundconf->{data});
		3036
		3037	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3038	my $sound = $soundconf->{compat}[$_]
		3039	or next;
		3040
		3041	my $face = cf::face::find "sound/$sound->[1]";
		3042	cf::sound::set $sound->[0] => $face;
		3043	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3044	}
		3045
		3046	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3047	my $face = cf::face::find "sound/$v";
		3048	cf::sound::set $k => $face;
		3049	}
		3050	}
		3051	}
		3052
		3053	1
		3054	}
		3055
		3056	register_exticmd fx_want => sub {
		3057	my ($ns, $want) = @_;
		3058
		3059	while (my ($k, $v) = each %$want) {
		3060	$ns->fx_want ($k, $v);
		3061	}
		3062	};
		3063
		3064	sub reload_regions {
		3065	# HACK to clear player env face cache, we need some signal framework
		3066	# for this (global event?)
		3067	%ext::player_env::MUSIC_FACE_CACHE = ();
		3068
		3069	load_resource_file "$MAPDIR/regions"
		3070	or die "unable to load regions file\n";
		3071
		3072	for (cf::region::list) {
		3073	$_->{match} = qr/$_->{match}/
		3074	if exists $_->{match};
		3075	}
		3076	}
		3077
		3078	sub reload_facedata {
		3079	load_facedata "$DATADIR/facedata"
		3080	or die "unable to load facedata\n";
		3081	}
		3082
		3083	sub reload_archetypes {
		3084	load_resource_file "$DATADIR/archetypes"
		3085	or die "unable to load archetypes\n";
		3086	#d# NEED to laod twice to resolve forward references
		3087	# this really needs to be done in an extra post-pass
		3088	# (which needs to be synchronous, so solve it differently)
		3089	load_resource_file "$DATADIR/archetypes"
		3090	or die "unable to load archetypes\n";
		3091	}
		3092
		3093	sub reload_treasures {
		3094	load_resource_file "$DATADIR/treasures"
		3095	or die "unable to load treasurelists\n";
		3096	}
		3097
		3098	sub reload_resources {
		3099	warn "reloading resource files...\n";
		3100
		3101	reload_regions;
		3102	reload_facedata;
		3103	#reload_archetypes;#d#
		3104	reload_archetypes;
		3105	reload_treasures;
		3106
		3107	warn "finished reloading resource files\n";
		3108	}
		3109
		3110	sub init {
		3111	reload_resources;
		3112	}
		3113
		3114	sub reload_config {
2209	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2210	or return;	3116	or return;
2211		3117
2212	local $/;	3118	local $/;
2213	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2214		3120
…		…
2233	(async {	3139	(async {
2234	Event::one_event;	3140	Event::one_event;
2235	})->prio (Coro::PRIO_MAX);	3141	})->prio (Coro::PRIO_MAX);
2236	};	3142	};
2237		3143
2238	cfg_load;	3144	reload_config;
2239	db_load;	3145	db_init;
2240	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2241	Event::loop;	3149	Event::loop;
2242	}	3150	}
2243		3151
2244	#############################################################################	3152	#############################################################################
2245	# initialisation and cleanup	3153	# initialisation and cleanup
2246		3154
2247	# install some emergency cleanup handlers	3155	# install some emergency cleanup handlers
2248	BEGIN {	3156	BEGIN {
2249	for my $signal (qw(INT HUP TERM)) {	3157	for my $signal (qw(INT HUP TERM)) {
2250	Event->signal (	3158	Event->signal (
		3159	reentrant => 0,
2251	data => WF_AUTOCANCEL,	3160	data => WF_AUTOCANCEL,
2252	signal => $signal,	3161	signal => $signal,
		3162	prio => 0,
2253	cb => sub {	3163	cb => sub {
2254	cf::cleanup "SIG$signal";	3164	cf::cleanup "SIG$signal";
2255	},	3165	},
2256	);	3166	);
2257	}	3167	}
		3168	}
		3169
		3170	sub write_runtime {
		3171	my $runtime = "$LOCALDIR/runtime";
		3172
		3173	# first touch the runtime file to show we are still running:
		3174	# the fsync below can take a very very long time.
		3175
		3176	IO::AIO::aio_utime $runtime, undef, undef;
		3177
		3178	my $guard = cf::lock_acquire "write_runtime";
		3179
		3180	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3181	or return;
		3182
		3183	my $value = $cf::RUNTIME + 90 + 10;
		3184	# 10 is the runtime save interval, for a monotonic clock
		3185	# 60 allows for the watchdog to kill the server.
		3186
		3187	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3188	and return;
		3189
		3190	# always fsync - this file is important
		3191	aio_fsync $fh
		3192	and return;
		3193
		3194	# touch it again to show we are up-to-date
		3195	aio_utime $fh, undef, undef;
		3196
		3197	close $fh
		3198	or return;
		3199
		3200	aio_rename "$runtime~", $runtime
		3201	and return;
		3202
		3203	warn "runtime file written.\n";
		3204
		3205	1
2258	}	3206	}
2259		3207
2260	sub emergency_save() {	3208	sub emergency_save() {
2261	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2262		3210
…		…
2279	my $map = $cf::MAP{$path} or next;	3227	my $map = $cf::MAP{$path} or next;
2280	$map->valid or next;	3228	$map->valid or next;
2281	$map->save;	3229	$map->save;
2282	}	3230	}
2283	warn "end emergency map save\n";	3231	warn "end emergency map save\n";
		3232
		3233	warn "begin emergency database checkpoint\n";
		3234	BDB::db_env_txn_checkpoint $DB_ENV;
		3235	warn "end emergency database checkpoint\n";
2284	};	3236	};
2285		3237
2286	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2287	}	3239	}
2288		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2289	sub reload() {	3248	sub do_reload_perl() {
2290	# can/must only be called in main	3249	# can/must only be called in main
2291	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2292	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2293	return;	3252	return;
2294	}	3253	}
2295		3254
2296	warn "reloading...";	3255	warn "reloading...";
2297		3256
2298	warn "freezing server";	3257	warn "entering sync_job";
2299	my $guard = freeze_mainloop;	3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2300	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2301		3263
2302	warn "sync database to disk";	3264	warn "syncing database to disk";
2303	cf::db_sync;	3265	BDB::db_env_txn_checkpoint $DB_ENV;
2304	IO::AIO::flush;
2305		3266
2306	eval {
2307	# if anything goes wrong in here, we should simply crash as we already saved	3267	# if anything goes wrong in here, we should simply crash as we already saved
2308		3268
2309	warn "cancel all watchers";	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2310	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2311	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2312	}	3272	}
2313		3273
		3274	warn "flushing outstanding aio requests";
		3275	for (;;) {
		3276	BDB::flush;
		3277	IO::AIO::flush;
		3278	Coro::cede;
		3279	last unless IO::AIO::nreqs || BDB::nreqs;
		3280	warn "iterate...";
		3281	}
		3282
		3283	++$RELOAD;
		3284
2314	warn "cancel all extension coros";	3285	warn "cancelling all extension coros";
2315	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2316	%EXT_CORO = ();	3287	%EXT_CORO = ();
2317		3288
2318	warn "remove commands";	3289	warn "removing commands";
2319	%COMMAND = ();	3290	%COMMAND = ();
2320		3291
2321	warn "remove ext commands";	3292	warn "removing ext/exti commands";
2322	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2323		3295
2324	warn "unload/nuke all extensions";	3296	warn "unloading/nuking all extensions";
2325	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2326	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2327		3299
2328	if (my $cb = $pkg->can ("unload")) {	3300	if (my $cb = $pkg->can ("unload")) {
2329	eval {	3301	eval {
…		…
2334		3306
2335	warn "... nuking $pkg";	3307	warn "... nuking $pkg";
2336	Symbol::delete_package $pkg;	3308	Symbol::delete_package $pkg;
2337	}	3309	}
2338		3310
2339	warn "unload all perl modules loaded from $LIBDIR";	3311	warn "unloading all perl modules loaded from $LIBDIR";
2340	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2341	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342		3314
2343	warn "removing <$k>";	3315	warn "... unloading $k";
2344	delete $INC{$k};	3316	delete $INC{$k};
2345		3317
2346	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2347	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2348		3320
…		…
2351	}	3323	}
2352		3324
2353	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2354	}	3326	}
2355		3327
2356	warn "get rid of safe::, as good as possible";	3328	warn "getting rid of safe::, as good as possible";
2357	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2358	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3330	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359		3331
2360	warn "unload cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2361	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2362		3335
2363	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2364	# and global variables created in xs	3337	# and global variables created in xs
2365	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2366		3339
		3340	warn "unload completed, starting to reload now";
		3341
2367	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2368	require cf;	3343	require cf;
2369	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370		3345
2371	warn "load config and database again";	3346	warn "loading config and database again";
2372	cf::cfg_load;	3347	cf::reload_config;
2373	cf::db_load;
2374		3348
2375	warn "load extensions";	3349	warn "loading extensions";
2376	cf::load_extensions;	3350	cf::load_extensions;
2377		3351
2378	warn "reattach attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2379	_global_reattach;	3353	_global_reattach; # objects, sockets
2380	warn "reattach attachments to maps";	3354	warn "reattaching attachments to maps";
2381	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2382	};	3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2383		3358
2384	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2385	warn $@;	3363	warn $@;
2386	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2387	exit 1;	3365	exit 1;
2388	}	3366	};
2389		3367
2390	warn "reloaded";	3368	warn "reloaded";
2391	};	3369	};
2392		3370
2393	our $RELOAD_WATCHER; # used only during reload	3371	our $RELOAD_WATCHER; # used only during reload
2394		3372
		3373	sub reload_perl() {
		3374	# doing reload synchronously and two reloads happen back-to-back,
		3375	# coro crashes during coro_state_free->destroy here.
		3376
		3377	$RELOAD_WATCHER ||= Event->timer (
		3378	reentrant => 0,
		3379	after => 0,
		3380	data => WF_AUTOCANCEL,
		3381	cb => sub {
		3382	do_reload_perl;
		3383	undef $RELOAD_WATCHER;
		3384	},
		3385	);
		3386	}
		3387
2395	register_command "reload" => sub {	3388	register_command "reload" => sub {
2396	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2397		3390
2398	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2399	$who->message ("reloading server.");	3392	$who->message ("reloading server.");
2400		3393	async { reload_perl };
2401	# doing reload synchronously and two reloads happen back-to-back,
2402	# coro crashes during coro_state_free->destroy here.
2403
2404	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2405	reload;
2406	undef $RELOAD_WATCHER;
2407	});
2408	}	3394	}
2409	};	3395	};
2410		3396
2411	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2412		3398
		3399	my $bug_warning = 0;
		3400
		3401	our @WAIT_FOR_TICK;
		3402	our @WAIT_FOR_TICK_BEGIN;
		3403
		3404	sub wait_for_tick {
		3405	return unless $TICK_WATCHER->is_active;
		3406	return if $Coro::current == $Coro::main;
		3407
		3408	my $signal = new Coro::Signal;
		3409	push @WAIT_FOR_TICK, $signal;
		3410	$signal->wait;
		3411	}
		3412
		3413	sub wait_for_tick_begin {
		3414	return unless $TICK_WATCHER->is_active;
		3415	return if $Coro::current == $Coro::main;
		3416
		3417	my $signal = new Coro::Signal;
		3418	push @WAIT_FOR_TICK_BEGIN, $signal;
		3419	$signal->wait;
		3420	}
		3421
		3422	my $min = 1e6;#d#
		3423	my $avg = 10;
2413	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2414	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2415	prio => 0,	3427	prio => 0,
2416	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2417	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2418	cb => sub {	3430	cb => sub {
		3431	if ($Coro::current != $Coro::main) {
		3432	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3433	unless ++$bug_warning > 10;
		3434	return;
		3435	}
		3436
2419	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2420		3438
2421	cf::server_tick; # one server iteration	3439	cf::server_tick; # one server iteration
		3440
		3441	0 && sync_job {#d#
		3442	for(1..10) {
		3443	my $t = Event::time;
		3444	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3445	or die;
		3446
		3447	$map->width (50);
		3448	$map->height (50);
		3449	$map->alloc;
		3450	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3451	my $t = Event::time - $t;
		3452
		3453	#next unless $t < 0.0013;#d#
		3454	if ($t < $min) {
		3455	$min = $t;
		3456	}
		3457	$avg = $avg * 0.99 + $t * 0.01;
		3458	}
		3459	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3460	exit 0;
		3461	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3462	};
		3463
2422	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2423	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2424		3466
2425	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2426	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3468	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3469	Coro::async_pool {
		3470	write_runtime
		3471	or warn "ERROR: unable to write runtime file: $!";
		3472	};
		3473	}
		3474
		3475	# my $AFTER = Event::time;
		3476	# warn $AFTER - $NOW;#d#
		3477
		3478	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3479	$sig->send;
		3480	}
		3481	while (my $sig = shift @WAIT_FOR_TICK) {
		3482	$sig->send;
		3483	}
		3484
		3485	$NOW = Event::time;
2427		3486
2428	# if we are delayed by four ticks or more, skip them all	3487	# if we are delayed by four ticks or more, skip them all
2429	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2430		3489
2431	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2432	$TICK_WATCHER->start;	3491	$TICK_WATCHER->start;
		3492
		3493	$LOAD = ($NOW - $tick_start) / $TICK;
		3494	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3495
		3496	_post_tick;
		3497
		3498
2433	},	3499	},
2434	);	3500	);
2435		3501
		3502	{
		3503	BDB::max_poll_time $TICK * 0.1;
		3504	$BDB_POLL_WATCHER = Event->io (
		3505	reentrant => 0,
		3506	fd => BDB::poll_fileno,
		3507	poll => 'r',
		3508	prio => 0,
		3509	data => WF_AUTOCANCEL,
		3510	cb => \&BDB::poll_cb,
		3511	);
		3512	BDB::min_parallel 8;
		3513
		3514	BDB::set_sync_prepare {
		3515	my $status;
		3516	my $current = $Coro::current;
		3517	(
		3518	sub {
		3519	$status = $!;
		3520	$current->ready; undef $current;
		3521	},
		3522	sub {
		3523	Coro::schedule while defined $current;
		3524	$! = $status;
		3525	},
		3526	)
		3527	};
		3528
		3529	unless ($DB_ENV) {
		3530	$DB_ENV = BDB::db_env_create;
		3531
		3532	cf::sync_job {
		3533	eval {
		3534	BDB::db_env_open
		3535	$DB_ENV,
		3536	$BDBDIR,
		3537	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3538	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3539	0666;
		3540
		3541	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3542
		3543	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3544	$DB_ENV->set_lk_detect;
		3545	};
		3546
		3547	cf::cleanup "db_env_open(db): $@" if $@;
		3548	};
		3549	}
		3550	}
		3551
		3552	{
		3553	IO::AIO::min_parallel 8;
		3554
		3555	undef $Coro::AIO::WATCHER;
2436	IO::AIO::max_poll_time $TICK * 0.2;	3556	IO::AIO::max_poll_time $TICK * 0.1;
2437
2438	$AIO_POLL_WATCHER = Event->io (	3557	$AIO_POLL_WATCHER = Event->io (
2439	fd => IO::AIO::poll_fileno,	3558	reentrant => 0,
2440	poll => 'r',
2441	prio => 5,
2442	data => WF_AUTOCANCEL,
2443	cb => \&IO::AIO::poll_cb,
2444	);
2445
2446	$WRITE_RUNTIME_WATCHER = Event->timer (
2447	data => WF_AUTOCANCEL,	3559	data => WF_AUTOCANCEL,
2448	after => 0,	3560	fd => IO::AIO::poll_fileno,
2449	interval => 10,	3561	poll => 'r',
2450	cb => sub {	3562	prio => 6,
2451	(Coro::unblock_sub {	3563	cb => \&IO::AIO::poll_cb,
2452	write_runtime	3564	);
2453	or warn "ERROR: unable to write runtime file: $!";	3565	}
		3566
		3567	my $_log_backtrace;
		3568
		3569	sub _log_backtrace {
		3570	my ($msg, @addr) = @_;
		3571
		3572	$msg =~ s/\n//;
		3573
		3574	# limit the # of concurrent backtraces
		3575	if ($_log_backtrace < 2) {
		3576	++$_log_backtrace;
		3577	async {
		3578	my @bt = fork_call {
		3579	@addr = map { sprintf "%x", $_ } @addr;
		3580	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3581	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3582	or die "addr2line: $!";
		3583
		3584	my @funcs;
		3585	my @res = <$fh>;
		3586	chomp for @res;
		3587	while (@res) {
		3588	my ($func, $line) = splice @res, 0, 2, ();
		3589	push @funcs, "[$func] $line";
		3590	}
		3591
		3592	@funcs
		3593	};
		3594
		3595	LOG llevInfo, "[ABT] $msg\n";
		3596	LOG llevInfo, "[ABT] $_\n" for @bt;
		3597	--$_log_backtrace;
2454	})->();	3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
2455	},	3602	}
2456	);	3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2457		3607
2458	END { cf::emergency_save }	3608	END { cf::emergency_save }
2459		3609
2460	1	3610	1
2461		3611

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