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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 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 3.3 ();	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
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	764	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	765	our @CB_MAP = ();
505		766
506	my %attachment;	767	my %attachment;
507		768
		769	sub cf::attachable::thawer_merge {
		770	# simply override everything except _meta
		771	local $_[0]{_meta};
		772	%{$_[0]} = %{$_[1]};
		773	}
		774
508	sub _attach_cb($$$$) {	775	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	776	my ($registry, $event, $prio, $cb) = @_;
510		777
511	use sort 'stable';	778	use sort 'stable';
512		779
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
547		814
548	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		819
553	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	821	my $pkg = shift @arg;
555		822
556	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
586	}	853	}
587		854
588	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
589	} else {	856	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	858	}
592		859
593	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
594	}	861	}
595		862
…		…
597	if (ref $_[0]) {	864	if (ref $_[0]) {
598	_object_attach @_;	865	_object_attach @_;
599	} else {	866	} else {
600	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
601	}	868	}
		869	_recalc_want;
602	};	870	};
603		871
604	# all those should be optimised	872	# all those should be optimised
605	sub cf::attachable::detach {	873	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
610	reattach ($obj);	878	reattach ($obj);
611	} else {	879	} else {
612	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
613	}	881	}
		882	_recalc_want;
614	};	883	};
615		884
616	sub cf::attachable::attached {	885	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
618		887
…		…
633	";	902	";
634	die if $@;	903	die if $@;
635	}	904	}
636		905
637	our $override;	906	our $override;
638	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?
639		908
640	sub override {	909	sub override {
641	$override = 1;	910	$override = 1;
642	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
643	}	912	}
644		913
645	sub do_invoke {	914	sub do_invoke {
646	my $event = shift;	915	my $event = shift;
647	my $callbacks = shift;	916	my $callbacks = shift;
648		917
649	@invoke_results = ();	918	@INVOKE_RESULTS = ();
650		919
651	local $override;	920	local $override;
652		921
653	for (@$callbacks) {	922	for (@$callbacks) {
654	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
671		940
672	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
673		942
674	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
675	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
676	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		946
678	=back	947	=back
679		948
680	=cut	949	=cut
681		950
682	#############################################################################	951	#############################################################################
683	# 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	}
684		964
685	sub reattach {	965	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	967	my ($obj) = @_;
		968
		969	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		970
689	my $registry = $obj->registry;	971	my $registry = $obj->registry;
690		972
691	@$registry = ();	973	@$registry = ();
692		974
…		…
731	);	1013	);
732		1014
733	sub object_freezer_save {	1015	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
735		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
736	sync_job {	1020	sync_job {
737	if (length $$rdata) {	1021	if (length $$rdata) {
738	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
740		1024
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1029	close $fh;
746		1030
747	if (@$objs) {	1031	if (@$objs) {
748	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) {
749	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1037	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
755	}	1039	}
756	} else {	1040	} else {
757	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
763	}	1047	}
764	} else {	1048	} else {
765	aio_unlink $filename;	1049	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
767	}	1051	}
768	}	1052	};
		1053
		1054	undef $guard;
769	}	1055	}
770		1056
771	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
773		1059
…		…
778		1064
779	sub object_thawer_load {	1065	sub object_thawer_load {
780	my ($filename) = @_;	1066	my ($filename) = @_;
781		1067
782	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
783		1071
784	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
785	or return;	1073	or return;
786		1074
787	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
789	or return;	1077	or return;
		1078
		1079	undef $guard;
790	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1081	}
792		1082
793	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
795	return ($data, $av);	1086	($data, $av)
796	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
797		1094
798	#############################################################################	1095	#############################################################################
799	# command handling &c	1096	# command handling &c
800		1097
801	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1112	}
816		1113
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1115
819	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.
820		1121
821	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
822	called.	1123	called.
823		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
824	=cut	1136	=cut
825		1137
826	sub register_extcmd {	1138	sub register_extcmd {
827	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
828		1140
829	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
830	}	1148	}
831		1149
832	cf::player->attach (	1150	cf::player->attach (
833	on_command => sub {	1151	on_command => sub {
834	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1161	cf::override;
844	},	1162	},
845	on_extcmd => sub {	1163	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
847		1165
848	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1167
850	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
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
856	} else {	1183	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1185	}
859		1186
860	cf::override;	1187	cf::override;
861	},	1188	},
862	);	1189	);
863		1190
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
899	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1196	next unless -r $path;
901	eval {	1197
902	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;
903	1	1255	}
904	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
905	}	1261	};
906	}	1262	}
907		1263
908	#############################################################################	1264	#############################################################################
909		1265
		1266	=back
		1267
910	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
911		1269
912	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
913		1271
914	=cut	1272	=cut
…		…
926	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
927		1285
928	=cut	1286	=cut
929		1287
930	sub playerdir($) {	1288	sub playerdir($) {
931	cf::localdir	1289	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1291	}
937		1292
938	sub path($) {	1293	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1295
941	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
942	}	1297	}
943		1298
944	sub find_active($) {	1299	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
949		1304
950	sub exists($) {	1305	sub exists($) {
951	my ($login) = @_;	1306	my ($login) = @_;
952		1307
953	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
955	}	1310	}
956		1311
957	sub find($) {	1312	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1314	my $login = $_[0];
960		1315
961	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
962		1317
963	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
964	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
965	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;
966	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
967	}	1335	}
968	}	1336	}
969	}	1337	}
970		1338
…		…
980		1348
981	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
983		1351
984	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
985	Coro::cede;	1353	cf::cede_to_tick;
986	}	1354	}
987		1355
988	sub new($) {	1356	sub new($) {
989	my ($login) = @_;	1357	my ($login) = @_;
990		1358
…		…
996	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
997		1365
998	$self	1366	$self
999	}	1367	}
1000		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
1001	=item $pl->quit_character	1379	=item $pl->quit_character
1002		1380
1003	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
1004	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1005		1383
1006	=cut	1384	=cut
1007		1385
1008	sub quit_character {	1386	sub quit_character {
1009	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1010		1390
1011	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1012	$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
1013		1393
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1023	$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
1024	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;
1025	}	1425	}
1026		1426
1027	=item cf::player::list_logins	1427	=item cf::player::list_logins
1028		1428
1029	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
1030	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1031		1431
1032	=cut	1432	=cut
1033		1433
1034	sub list_logins {	1434	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1436	or return [];
1037		1437
1038	my @logins;	1438	my @logins;
1039		1439
1040	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") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1044		1449
1045	utf8::decode $login;	1450	utf8::decode $login;
1046	push @logins, $login;	1451	push @logins, $login;
1047	}	1452	}
1048		1453
…		…
1056		1461
1057	=cut	1462	=cut
1058		1463
1059	sub maps($) {	1464	sub maps($) {
1060	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1468
1062	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1063	or return;	1470	or return;
1064		1471
1065	my @paths;	1472	my @paths;
…		…
1067	for (@$files) {	1474	for (@$files) {
1068	utf8::decode $_;	1475	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1071		1478
1072	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1480	}
1075		1481
1076	\@paths	1482	\@paths
1077	}	1483	}
1078		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
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1080		1537
1081	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1082		1539
1083	=cut	1540	=cut
1084		1541
1085	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1087		1544
1088	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1546	}
1092		1547
1093	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		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	}
1094		1588
1095	=back	1589	=back
1096
1097		1590
1098	=head3 cf::map	1591	=head3 cf::map
1099		1592
1100	=over 4	1593	=over 4
1101		1594
…		…
1105		1598
1106	use Fcntl;	1599	use Fcntl;
1107	use Coro::AIO;	1600	use Coro::AIO;
1108		1601
1109	use overload	1602	use overload
1110	'""' => \&as_string;	1603	'""' => \&as_string,
		1604	fallback => 1;
1111		1605
1112	our $MAX_RESET = 3600;	1606	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1607	our $DEFAULT_RESET = 3000;
1114		1608
1115	sub generate_random_map {	1609	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1610	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1611	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1612	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1613	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1614	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1615	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1624	)
1132	}	1625	}
1133		1626
		1627	=item cf::map->register ($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
1134	sub register {	1635	sub register {
1135	my (undef, $regex) = @_;	1636	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1637	my $pkg = caller;
1137		1638
1138	no strict;	1639	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1640	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1641
1141	$EXT_MAP{$pkg} = qr<$regex>;	1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1643	}
1143		1644
1144	# also paths starting with '/'	1645	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1647
		1648	sub thawer_merge {
		1649	my ($self, $merge) = @_;
		1650
		1651	# we have to keep some variables in memory intact
		1652	local $self->{path};
		1653	local $self->{load_path};
		1654
		1655	$self->SUPER::thawer_merge ($merge);
		1656	}
1146		1657
1147	sub normalise {	1658	sub normalise {
1148	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1149		1664
1150	# map plan:	1665	# map plan:
1151	#	1666	#
1152	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1181		1696
1182	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
1183		1698
1184	$path = normalise $path, $base;	1699	$path = normalise $path, $base;
1185		1700
1186	for my $pkg (keys %EXT_MAP) {	1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1703	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1704	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1191	return $self;	1706	return $self;
1192	}	1707	}
1193	}	1708	}
1194		1709
1195	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1711	()
1197	}	1712	}
1198		1713
1199	sub init {	1714	sub init {
1200	my ($self) = @_;	1715	my ($self) = @_;
…		…
1215		1730
1216	# the original (read-only) location	1731	# the original (read-only) location
1217	sub load_path {	1732	sub load_path {
1218	my ($self) = @_;	1733	my ($self) = @_;
1219		1734
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1221	}	1736	}
1222		1737
1223	# the temporary/swap location	1738	# the temporary/swap location
1224	sub save_path {	1739	sub save_path {
1225	my ($self) = @_;	1740	my ($self) = @_;
1226		1741
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1229	}	1744	}
1230		1745
1231	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1232	sub uniq_path {	1747	sub uniq_path {
1233	my ($self) = @_;	1748	my ($self) = @_;
1234		1749
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1237	}	1752	}
1238		1753
1239	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1240	# all maps in C++...	1755	# all maps in C++...
1241	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1243		1758
1244	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1246	}	1761	}
1247		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1248	sub unlink_save {	1771	sub unlink_save {
1249	my ($self) = @_;	1772	my ($self) = @_;
1250		1773
1251	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1776	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1777	}
1255		1778
1256	sub load_header_from($) {	1779	sub load_header_from($) {
1257	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1258		1781
1259	utf8::encode $path;	1782	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1261	or return;	1784	or return;
1262		1785
1263	$self->_load_header ($path)	1786	$self->_load_header ($f)
1264	or return;	1787	or return;
1265		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
1266	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1267		1793
1268	1	1794	1
1269	}	1795	}
1270		1796
1271	sub load_orig {	1797	sub load_header_orig {
1272	my ($self) = @_;	1798	my ($self) = @_;
1273		1799
1274	$self->load_header_from ($self->load_path)	1800	$self->load_header_from ($self->load_path)
1275	}	1801	}
1276		1802
1277	sub load_temp {	1803	sub load_header_temp {
1278	my ($self) = @_;	1804	my ($self) = @_;
1279		1805
1280	$self->load_header_from ($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	$self->instantiate;
1281	}	1826	}
1282		1827
1283	sub load_header {	1828	sub load_header {
1284	my ($self) = @_;	1829	my ($self) = @_;
1285		1830
1286	if ($self->load_temp) {	1831	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1832	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1833	} else {
1293	$self->load_orig	1834	$self->load_header_orig
1294	or return;	1835	or return;
1295		1836	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	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 $self->default_region;
1301		1844
1302	1	1845	1
1303	}	1846	}
1304		1847
1305	sub find;	1848	sub find;
1306	sub find {	1849	sub find {
1307	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1308		1851
1309	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1310		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1311	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1312		1856
1313	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1314	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
1315	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1316	or return;	1862	or return;
1317		1863
1318	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1319		1865
1320	$map->load_header	1866	$map->load_header
1321	or return;	1867	or return;
1322		1868
1323	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
		1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1324	$map->reset;	1874	$map->reset;
1325	undef $guard;
1326	$map = find $path	1875	return find $path;
1327	or return;
1328	}	1876	}
1329		1877
1330	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1331	}	1879	}
1332	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1333		1884
1334	sub load {	1885	sub load {
1335	my ($self) = @_;	1886	my ($self) = @_;
1336		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1337	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1339		1894
		1895	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return unless $self->in_memory == cf::MAP_SWAPPED;
1341		1897
1342	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1343		1899
1344	$self->alloc;	1900	$self->alloc;
1345	$self->_load_objects ($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)
1346	or return;	1908	or return;
1347		1909
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1911	if delete $self->{load_original};
1350		1912
1351	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1914	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1917	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1356	}	1921	}
1357	}	1922	}
1358		1923
1359	Coro::cede;	1924	$f->resolve_delayed_derefs;
1360		1925
		1926	cf::cede_to_tick;
1361	# now do the right thing for maps	1927	# now do the right thing for maps
1362	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1930	unless $self->difficulty;
1372	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($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;
1373	$self->activate;	1940	$self->activate;
1374	}	1941	}
1375		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
1377	}	1950	}
1378		1951
1379	sub customise_for {	1952	sub customise_for {
1380	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1381		1954
1382	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1956	if $self->per_player;
1384		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1385	$self	1961	$self
1386	}	1962	}
1387		1963
1388	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	1965	sub load_neighbours {
1390	my ($map) = @_;	1966	my ($map) = @_;
1391		1967
1392	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1393		1969
1394	for (0 .. 3) {	1970	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1396	or next;	1972	or next;
1397	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1398	or next;	1974	or next;
1399	$neigh->load;	1975	$neigh->load;
1400		1976
		1977	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	1980	}
1404		1981
1405	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1407	or next;	1985	or next;
1408	$neigh->load;	1986	$neigh->load;
1409	}	1987	}
1410	}	1988	}
1411		1989
…		…
1416	}	1994	}
1417		1995
1418	sub do_load_sync {	1996	sub do_load_sync {
1419	my ($map) = @_;	1997	my ($map) = @_;
1420		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1421	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1422	}	2003	}
1423		2004
1424	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	2006	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		2007
1438	sub find_async {	2008	sub find_async {
1439	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1440		2010
1441	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1442		2012
1443	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1444	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;
1445	}	2030	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1449		2032
1450	()	2033	()
1451	}	2034	}
1452		2035
1453	sub save {	2036	sub save {
1454	my ($self) = @_;	2037	my ($self) = @_;
1455		2038
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2040
1458	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1459		2042
1460	return unless $self->dirty;	2043	return unless $self->dirty;
1461		2044
…		…
1484	my ($self) = @_;	2067	my ($self) = @_;
1485		2068
1486	# save first because save cedes	2069	# save first because save cedes
1487	$self->save;	2070	$self->save;
1488		2071
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2073
1491	return if $self->players;	2074	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2076	return if $self->{deny_save};
1494		2077
		2078	$self->in_memory (cf::MAP_SWAPPED);
		2079
		2080	$self->deactivate;
		2081	$_->clear_links_to ($self) for values %cf::MAP;
1495	$self->clear;	2082	$self->clear;
1496	$self->in_memory (cf::MAP_SWAPPED);
1497	}	2083	}
1498		2084
1499	sub reset_at {	2085	sub reset_at {
1500	my ($self) = @_;	2086	my ($self) = @_;
1501		2087
1502	# TODO: safety, remove and allow resettable per-player maps	2088	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2089	return 1e99 if $self->{deny_reset};
1505		2090
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2091	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2092	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2093
…		…
1513	my ($self) = @_;	2098	my ($self) = @_;
1514		2099
1515	$self->reset_at <= $cf::RUNTIME	2100	$self->reset_at <= $cf::RUNTIME
1516	}	2101	}
1517		2102
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2103	sub reset {
1533	my ($self) = @_;	2104	my ($self) = @_;
1534		2105
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2106	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2107
1537	return if $self->players;	2108	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2109
1540	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	}
1541		2121
1542	delete $cf::MAP{$self->path};	2122	delete $cf::MAP{$self->path};
1543		2123
1544	$self->in_memory (cf::MAP_SWAPPED);	2124	$self->deactivate;
		2125	$_->clear_links_to ($self) for values %cf::MAP;
1545	$self->clear;	2126	$self->clear;
1546
1547	$_->clear_links_to ($self) for values %cf::MAP;
1548		2127
1549	$self->unlink_save;	2128	$self->unlink_save;
1550	$self->destroy;	2129	$self->destroy;
1551	}	2130	}
1552		2131
1553	my $nuke_counter = "aaaa";	2132	my $nuke_counter = "aaaa";
1554		2133
1555	sub nuke {	2134	sub nuke {
1556	my ($self) = @_;	2135	my ($self) = @_;
1557		2136
		2137	{
		2138	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2139
		2140	delete $cf::MAP{$self->path};
		2141
		2142	$self->unlink_save;
		2143
		2144	bless $self, "cf::map";
		2145	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2146	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2147	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2148	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2149
		2150	$cf::MAP{$self->path} = $self;
		2151	}
		2152
1561	$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	]
1562	}	2190	}
1563		2191
1564	=item cf::map::unique_maps	2192	=item cf::map::unique_maps
1565		2193
1566	Returns an arrayref of paths of all shared maps that have	2194	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2195	instantiated unique items. May block.
1568		2196
1569	=cut	2197	=cut
1570		2198
1571	sub unique_maps() {	2199	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2200	[
1573	or return;	2201	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2202	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2203	/\.map$/
1583	push @paths, $_;	2204	? normalise $_
		2205	: ()
		2206	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2207	]
1585
1586	\@paths
1587	}	2208	}
1588		2209
1589	package cf;	2210	package cf;
1590		2211
1591	=back	2212	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2230	map { $_, inv_recursive_ $_->inv } @_
1610	}	2231	}
1611		2232
1612	sub inv_recursive {	2233	sub inv_recursive {
1613	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	}
1614	}	2266	}
1615		2267
1616	package cf;	2268	package cf;
1617		2269
1618	=back	2270	=back
…		…
1637		2289
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2290	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2291
1640	if ($self->{record_replies}) {	2292	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2293	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2294
1642	} 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 {
1643	$msg = $npc->name . " says: $msg" if $npc;	2303	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2304	$self->message ($msg, $flags);
		2305	}
1645	}	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 (@_);
1646	}	2317	}
1647		2318
1648	=item $player_object->may ("access")	2319	=item $player_object->may ("access")
1649		2320
1650	Returns wether the given player is authorized to access resource "access"	2321	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2353	=cut
1683		2354
1684	sub link_map {	2355	sub link_map {
1685	unless ($LINK_MAP) {	2356	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2357	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2358	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2359	$LINK_MAP->load;
1689	}	2360	}
1690		2361
1691	$LINK_MAP	2362	$LINK_MAP
1692	}	2363	}
…		…
1697	$self->deactivate_recursive;	2368	$self->deactivate_recursive;
1698		2369
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2370	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2371
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2372	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2373	if $self->map && $self->map->{path} ne "{link}";
1703		2374
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2375	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2376	}
1706		2377
1707	sub cf::object::player::leave_link {	2378	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2379	my ($self, $map, $x, $y) = @_;
		2380
		2381	return unless $self->contr->active;
1709		2382
1710	my $link_pos = delete $self->{_link_pos};	2383	my $link_pos = delete $self->{_link_pos};
1711		2384
1712	unless ($map) {	2385	unless ($map) {
1713	# restore original map position	2386	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2400	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2401	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2402	if $x <=0 && $y <= 0;
1730		2403
1731	$map->load;	2404	$map->load;
1732	$map->load_diag;	2405	$map->load_neighbours;
1733		2406
1734	return unless $self->contr->active;	2407	return unless $self->contr->active;
1735	$self->activate_recursive;	2408	$self->activate_recursive;
		2409
		2410	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2411	$self->enter_map ($map, $x, $y);
1737	}	2412	}
1738		2413
1739	cf::player->attach (	2414	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2415
1743	# abort map switching before logout	2416	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2417	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2418	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2419	the new (success) or old (failed) map position. In either case, $done will
1747	};	2420	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2421
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2422	=cut
		2423
		2424	our $GOTOGEN;
1774		2425
1775	sub cf::object::player::goto {	2426	sub cf::object::player::goto {
1776	my ($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;
1777		2431
1778	$self->enter_link;	2432	$self->enter_link;
1779		2433
1780	(async {	2434	(async {
		2435	my $map = eval {
1781	my $map = cf::map::find $path;	2436	my $map = cf::map::find $path;
		2437
		2438	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2439	$map = $map->customise_for ($self);
1783		2440	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2441	} else {
1785	# if $map;
1786
1787	$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	}
1788		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};
1789	$self->leave_link ($map, $x, $y);	2455	$self->leave_link ($map, $x, $y);
		2456	}
		2457
		2458	$done->() if $done;
1790	})->prio (1);	2459	})->prio (1);
1791	}	2460	}
1792		2461
1793	=item $player_object->enter_exit ($exit_object)	2462	=item $player_object->enter_exit ($exit_object)
1794		2463
…		…
1796		2465
1797	sub parse_random_map_params {	2466	sub parse_random_map_params {
1798	my ($spec) = @_;	2467	my ($spec) = @_;
1799		2468
1800	my $rmp = { # defaults	2469	my $rmp = { # defaults
1801	xsize => 10,	2470	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2471	ysize => (cf::rndm 15, 40),
		2472	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2473	#layout => string,
1803	};	2474	};
1804		2475
1805	for (split /\n/, $spec) {	2476	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2477	my ($k, $v) = split /\s+/, $_, 2;
1807		2478
…		…
1811	$rmp	2482	$rmp
1812	}	2483	}
1813		2484
1814	sub prepare_random_map {	2485	sub prepare_random_map {
1815	my ($exit) = @_;	2486	my ($exit) = @_;
		2487
		2488	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2489
1817	# all this does is basically replace the /! path by	2490	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2491	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2492	# that depends on the exit object
1820		2493
1821	my $rmp = parse_random_map_params $exit->msg;	2494	my $rmp = parse_random_map_params $exit->msg;
1822		2495
1823	if ($exit->map) {	2496	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2497	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2498	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2499	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2500	$rmp->{origin_y} = $exit->y;
1828	}	2501	}
1829		2502
1830	$rmp->{random_seed} ||= $exit->random_seed;	2503	$rmp->{random_seed} ||= $exit->random_seed;
1831		2504
1832	my $data = cf::to_json $rmp;	2505	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2506	my $md5 = Digest::MD5::md5_hex $data;
		2507	my $meta = "$RANDOMDIR/$md5.meta";
1834		2508
1835	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) {
1836	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;
1837		2513
1838	$exit->slaying ("?random/$md5");	2514	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2515	$exit->msg (undef);
1840	}	2516	}
1841	}	2517	}
…		…
1843	sub cf::object::player::enter_exit {	2519	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2520	my ($self, $exit) = @_;
1845		2521
1846	return unless $self->type == cf::PLAYER;	2522	return unless $self->type == cf::PLAYER;
1847		2523
		2524	if ($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
1848	$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);
1849		2540
1850	(async {	2541	(async {
1851	$self->deactivate_recursive; # just to be sure	2542	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2543	unless (eval {
1853	prepare_random_map $exit	2544	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2545
1859	1;	2546	1;
1860	}) {	2547	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2548	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "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. "
1863	. "Please report this to the dungeon master!",	2550	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2551	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2552
1866	warn "ERROR in enter_exit: $@";	2553	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2554	$self->leave_link;
1868	}	2555	}
1869	})->prio (1);	2556	})->prio (1);
…		…
1882		2569
1883	sub cf::client::send_drawinfo {	2570	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2571	my ($self, $text, $flags) = @_;
1885		2572
1886	utf8::encode $text;	2573	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2574	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2575	}
1889		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	}
1890		2692
1891	=item $success = $client->query ($flags, "text", \&cb)	2693	=item $success = $client->query ($flags, "text", \&cb)
1892		2694
1893	Queues a query to the client, calling the given callback with	2695	Queues a query to the client, calling the given callback with
1894	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>,
1895	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>.
1896		2698
1897	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
1898	reliable at some point in the future.	2700	become reliable at some point in the future.
1899		2701
1900	=cut	2702	=cut
1901		2703
1902	sub cf::client::query {	2704	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2705	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2713	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2714	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2715
1914	$self->send_packet ($self->{query_queue}[0][0])	2716	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2717	if @{ $self->{query_queue} } == 1;
		2718
		2719	1
1916	}	2720	}
1917		2721
1918	cf::client->attach (	2722	cf::client->attach (
		2723	on_connect => sub {
		2724	my ($ns) = @_;
		2725
		2726	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2727	},
1919	on_reply => sub {	2728	on_reply => sub {
1920	my ($ns, $msg) = @_;	2729	my ($ns, $msg) = @_;
1921		2730
1922	# this weird shuffling is so that direct followup queries	2731	# this weird shuffling is so that direct followup queries
1923	# get handled first	2732	# get handled first
1924	my $queue = delete $ns->{query_queue}	2733	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2734	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2735
1927	(shift @$queue)->[1]->($msg);	2736	(shift @$queue)->[1]->($msg);
		2737	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2738
1929	push @{ $ns->{query_queue} }, @$queue;	2739	push @{ $ns->{query_queue} }, @$queue;
1930		2740
1931	if (@{ $ns->{query_queue} } == @$queue) {	2741	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2742	if (@$queue) {
…		…
1934	} else {	2744	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2745	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2746	}
1937	}	2747	}
1938	},	2748	},
		2749	on_exticmd => sub {
		2750	my ($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	},
1939	);	2775	);
1940		2776
1941	=item $client->async (\&cb)	2777	=item $client->async (\&cb)
1942		2778
1943	Create a new coroutine, running the specified callback. The coroutine will	2779	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2820	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2821	our $safe_hole = new Safe::Hole;
1986		2822
1987	$SIG{FPE} = 'IGNORE';	2823	$SIG{FPE} = 'IGNORE';
1988		2824
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2825	$safe->permit_only (Opcode::opset qw(
		2826	:base_core :base_mem :base_orig :base_math
		2827	grepstart grepwhile mapstart mapwhile
		2828	sort time
		2829	));
1990		2830
1991	# here we export the classes and methods available to script code	2831	# here we export the classes and methods available to script code
1992		2832
1993	=pod	2833	=pod
1994		2834
1995	The following fucntions and emthods are available within a safe environment:	2835	The following functions and methods are available within a safe environment:
1996		2836
1997	cf::object contr pay_amount pay_player map	2837	cf::object
		2838	contr pay_amount pay_player map x y force_find force_add
		2839	insert remove name archname title slaying race decrease_ob_nr
		2840
1998	cf::object::player player	2841	cf::object::player
1999	cf::player peaceful	2842	player
2000	cf::map trigger	2843
		2844	cf::player
		2845	peaceful
		2846
		2847	cf::map
		2848	trigger
2001		2849
2002	=cut	2850	=cut
2003		2851
2004	for (	2852	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2853	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2854	insert remove inv name archname title slaying race
		2855	decrease_ob_nr)],
2006	["cf::object::player" => qw(player)],	2856	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2857	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2858	["cf::map" => qw(trigger)],
2009	) {	2859	) {
2010	no strict 'refs';	2860	no strict 'refs';
…		…
2081	=back	2931	=back
2082		2932
2083	=cut	2933	=cut
2084		2934
2085	#############################################################################	2935	#############################################################################
		2936	# the server's init and main functions
2086		2937
2087	=head2 EXTENSION DATABASE SUPPORT	2938	sub load_facedata($) {
		2939	my ($path) = @_;
2088		2940
2089	Crossfire maintains a very simple database for extension use. It can	2941	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	2942	# for this (global event?)
2091	excludes objects.	2943	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		2944
2093	The parameter C<$family> should best start with the name of the extension	2945	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		2946
2096	=over 4	2947	warn "loading facedata from $path\n";
2097		2948
2098	=item $hashref = cf::db_get $family	2949	my $facedata;
		2950	0 < aio_load $path, $facedata
		2951	or die "$path: $!";
2099		2952
2100	Return a hashref for use by the extension C<$family>, which can be	2953	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		2954
2104	=item $value = cf::db_get $family => $key	2955	$facedata->{version} == 2
		2956	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		2957
2106	Returns a single value from the database	2958	# patch in the exptable
2107		2959	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	2960	type => FT_RSRC,
2109		2961	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2962	};
		2963	cf::cede_to_tick;
2159		2964
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	2965	{
		2966	my $faces = $facedata->{faceinfo};
2164		2967
2165	sub db_get($;$) {	2968	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	2969	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	2970	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	2971	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	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};
2170		2974
2171	sub db_put($$;$) {	2975	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2976	}
2185	);
2186	}
2187		2977
2188	#############################################################################	2978	while (my ($face, $info) = each %$faces) {
2189	# 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	}
2190		2988
2191	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 {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3115	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3116	or return;
2194		3117
2195	local $/;	3118	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3119	*CFG = YAML::Syck::Load <$fh>;
2197		3120
…		…
2211		3134
2212	sub main {	3135	sub main {
2213	# we must not ever block the main coroutine	3136	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3137	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3138	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3139	(async {
2216	async { Event::one_event };	3140	Event::one_event;
		3141	})->prio (Coro::PRIO_MAX);
2217	};	3142	};
2218		3143
2219	cfg_load;	3144	reload_config;
2220	db_load;	3145	db_init;
2221	load_extensions;	3146	load_extensions;
		3147
		3148	$TICK_WATCHER->start;
2222	Event::loop;	3149	Event::loop;
2223	}	3150	}
2224		3151
2225	#############################################################################	3152	#############################################################################
2226	# initialisation and cleanup	3153	# initialisation and cleanup
2227		3154
2228	# install some emergency cleanup handlers	3155	# install some emergency cleanup handlers
2229	BEGIN {	3156	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3157	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3158	Event->signal (
		3159	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3160	data => WF_AUTOCANCEL,
2233	signal => $signal,	3161	signal => $signal,
		3162	prio => 0,
2234	cb => sub {	3163	cb => sub {
2235	cf::cleanup "SIG$signal";	3164	cf::cleanup "SIG$signal";
2236	},	3165	},
2237	);	3166	);
2238	}	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
2239	}	3206	}
2240		3207
2241	sub emergency_save() {	3208	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3209	my $freeze_guard = cf::freeze_mainloop;
2243		3210
…		…
2260	my $map = $cf::MAP{$path} or next;	3227	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3228	$map->valid or next;
2262	$map->save;	3229	$map->save;
2263	}	3230	}
2264	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";
2265	};	3236	};
2266		3237
2267	warn "leave emergency perl save\n";	3238	warn "leave emergency perl save\n";
2268	}	3239	}
2269		3240
		3241	sub post_cleanup {
		3242	my ($make_core) = @_;
		3243
		3244	warn Carp::longmess "post_cleanup backtrace"
		3245	if $make_core;
		3246	}
		3247
2270	sub reload() {	3248	sub do_reload_perl() {
2271	# can/must only be called in main	3249	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3250	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3251	warn "can only reload from main coroutine";
2274	return;	3252	return;
2275	}	3253	}
2276		3254
2277	warn "reloading...";	3255	warn "reloading...";
2278		3256
2279	warn "freezing server";	3257	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3258
		3259	cf::sync_job {
		3260	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3261	cf::emergency_save;
		3262	cf::write_runtime; # external watchdog should not bark
2282		3263
2283	warn "sync database to disk";	3264	warn "syncing database to disk";
2284	cf::db_sync;	3265	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3266
2287	eval {
2288	# 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
2289		3268
2290	warn "cancel all watchers";	3269	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3270	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3271	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3272	}
2294		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
2295	warn "cancel all extension coros";	3285	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3286	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3287	%EXT_CORO = ();
2298		3288
2299	warn "remove commands";	3289	warn "removing commands";
2300	%COMMAND = ();	3290	%COMMAND = ();
2301		3291
2302	warn "remove ext commands";	3292	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3293	%EXTCMD = ();
		3294	%EXTICMD = ();
2304		3295
2305	warn "unload/nuke all extensions";	3296	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3297	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3298	warn "... unloading $pkg";
2308		3299
2309	if (my $cb = $pkg->can ("unload")) {	3300	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3301	eval {
…		…
2315		3306
2316	warn "... nuking $pkg";	3307	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3308	Symbol::delete_package $pkg;
2318	}	3309	}
2319		3310
2320	warn "unload all perl modules loaded from $LIBDIR";	3311	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3312	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3313	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3314
2324	warn "removing <$k>";	3315	warn "... unloading $k";
2325	delete $INC{$k};	3316	delete $INC{$k};
2326		3317
2327	$k =~ s/\.pm$//;	3318	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3319	$k =~ s/\//::/g;
2329		3320
…		…
2332	}	3323	}
2333		3324
2334	Symbol::delete_package $k;	3325	Symbol::delete_package $k;
2335	}	3326	}
2336		3327
2337	warn "get rid of safe::, as good as possible";	3328	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3329	Symbol::delete_package "safe::$_"
2339	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);
2340		3331
2341	warn "unload cf.pm \"a bit\"";	3332	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3333	delete $INC{"cf.pm"};
		3334	delete $INC{"cf/pod.pm"};
2343		3335
2344	# don't, removes xs symbols, too,	3336	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3337	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3338	#Symbol::delete_package __PACKAGE__;
2347		3339
		3340	warn "unload completed, starting to reload now";
		3341
2348	warn "reloading cf.pm";	3342	warn "reloading cf.pm";
2349	require cf;	3343	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3344	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3345
2352	warn "load config and database again";	3346	warn "loading config and database again";
2353	cf::cfg_load;	3347	cf::reload_config;
2354	cf::db_load;
2355		3348
2356	warn "load extensions";	3349	warn "loading extensions";
2357	cf::load_extensions;	3350	cf::load_extensions;
2358		3351
2359	warn "reattach attachments to objects/players";	3352	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3353	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3354	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3355	reattach $_ for values %MAP;
2363	};	3356	warn "reattaching attachments to players";
		3357	reattach $_ for values %PLAYER;
2364		3358
2365	if ($@) {	3359	warn "leaving sync_job";
		3360
		3361	1
		3362	} or do {
2366	warn $@;	3363	warn $@;
2367	warn "error while reloading, exiting.";	3364	warn "error while reloading, exiting.";
2368	exit 1;	3365	exit 1;
2369	}	3366	};
2370		3367
2371	warn "reloaded";	3368	warn "reloaded";
2372	};	3369	};
2373		3370
		3371	our $RELOAD_WATCHER; # used only during reload
		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
2374	register_command "reload" => sub {	3388	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3389	my ($who, $arg) = @_;
2376		3390
2377	if ($who->flag (FLAG_WIZ)) {	3391	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3392	$who->message ("reloading server.");
		3393	async { reload_perl };
2381	}	3394	}
2382	};	3395	};
2383		3396
2384	unshift @INC, $LIBDIR;	3397	unshift @INC, $LIBDIR;
2385		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;
2386	$TICK_WATCHER = Event->timer (	3424	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3425	reentrant => 0,
		3426	parked => 1,
2388	prio => 0,	3427	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3428	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3429	data => WF_AUTOCANCEL,
2391	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
2392	$NOW = Event::time;	3437	$NOW = $tick_start = Event::time;
2393		3438
2394	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
2395	$RUNTIME += $TICK;	3464	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3465	$NEXT_TICK += $TICK;
2397		3466
2398	$WAIT_FOR_TICK->broadcast;	3467	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$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;
2400		3486
2401	# 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
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3488	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3489
2404	$TICK_WATCHER->at ($NEXT_TICK);	3490	$TICK_WATCHER->at ($NEXT_TICK);
2405	$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
2406	},	3499	},
2407	);	3500	);
2408		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;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3556	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3557	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3558	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3559	data => WF_AUTOCANCEL,
2421	after => 0,	3560	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3561	poll => 'r',
2423	cb => sub {	3562	prio => 6,
2424	(Coro::unblock_sub {	3563	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3564	);
2426	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;
2427	})->();	3598	};
		3599	} else {
		3600	LOG llevInfo, "[ABT] $msg\n";
		3601	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3602	}
2429	);	3603	}
		3604
		3605	# load additional modules
		3606	use cf::pod;
2430		3607
2431	END { cf::emergency_save }	3608	END { cf::emergency_save }
2432		3609
2433	1	3610	1
2434		3611

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