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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.371 by root, Thu Sep 13 16:16:01 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;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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 $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
51		89
52	our %CFG;	90	our %CFG;
53		91
54	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	93	our $RUNTIME;
56		94
57	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		98
65	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
68	binmode STDOUT;	106	binmode STDOUT;
69	binmode STDERR;	107	binmode STDERR;
70		108
71	# read virtual server time, if available	109	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
76	}	114	}
77		115
78	mkdir cf::localdir;	116	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		118
84	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
		120
		121	sub cf::map::normalise;
85		122
86	#############################################################################	123	#############################################################################
87		124
88	=head2 GLOBAL VARIABLES	125	=head2 GLOBAL VARIABLES
89		126
…		…
96	=item $cf::RUNTIME	133	=item $cf::RUNTIME
97		134
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	136	every server tick.
100		137
101	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		141
103	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
105		146
106	=item $cf::NOW	147	=item $cf::NOW
107		148
108	The time of the last (current) server tick.	149	The time of the last (current) server tick.
109		150
110	=item $cf::TICK	151	=item $cf::TICK
111		152
112	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
113		164
114	=item %cf::CFG	165	=item %cf::CFG
115		166
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	168	from wherever your confdir points to.
118		169
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		171
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
125		181
126	=back	182	=back
127		183
128	=cut	184	=cut
129		185
130	BEGIN {	186	BEGIN {
131	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	188	my $msg = join "", @_;
133	utf8::encode $msg;
134		189
135	$msg .= "\n"	190	$msg .= "\n"
136	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
137		194
138	LOG llevError, $msg;	195	LOG llevError, $msg;
139	};	196	};
140	}	197	}
141		198
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		206
149	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	208	# within the Safe compartment.
151	for my $pkg (qw(	209	for my $pkg (qw(
152	cf::global cf::attachable	210	cf::global cf::attachable
…		…
160	}	218	}
161		219
162	$Event::DIED = sub {	220	$Event::DIED = sub {
163	warn "error in event callback: @_";	221	warn "error in event callback: @_";
164	};	222	};
		223
		224	#############################################################################
165		225
166	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
167		227
168	=over 4	228	=over 4
169		229
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	249	$d
190	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
191	}	251	}
192		252
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
196		254
197	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
198		256
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
207		258
208	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
209		260
210	=cut	261	=cut
211		262
212	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
214	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
216		267
217	=item cf::lock_wait $string	268	=item cf::lock_wait $string
218		269
219	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
220		271
…		…
223	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
226	returned.	277	returned.
227		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
228	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
230		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
231	=cut	289	=cut
232		290
233	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
234		293
235	sub lock_wait($) {	294	sub lock_wait($) {
236	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
237		301
238	# wait for lock, if any	302	# wait for lock, if any
239	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;	305	Coro::schedule;
…		…
247		311
248	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
249	lock_wait $key;	313	lock_wait $key;
250		314
251	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
252		317
253	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
254	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
256	}	322	}
257	}	323	}
258		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
259	sub freeze_mainloop {	331	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
261		333
262	my $guard = Coro::guard { $TICK_WATCHER->start };	334	my $guard = Coro::guard {
		335	$TICK_WATCHER->start;
		336	};
263	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
264	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
265	}	395	}
266		396
267	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
268		398
269	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		404
275	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
276		406
277	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
278		408
279	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
282		413
283	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
286	fast or be very important.	417	fast or be very important.
…		…
289		420
290	sub sync_job(&) {	421	sub sync_job(&) {
291	my ($job) = @_;	422	my ($job) = @_;
292		423
293	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
294	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
296		429
297	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
309		442
310	while ($busy) {	443	while ($busy) {
311	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
312	}	445	}
313		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
314	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
315	} else {	455	} else {
316	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
317		457
318	$job->()	458	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
338		478
339	$coro	479	$coro
340	}	480	}
341		481
342	sub write_runtime {	482	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		483
345	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
346		488
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
348	or return;
349		490
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	491	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	492	my ($cb, @args) = @_;
352	and return;
353		493
354	aio_fsync $fh	494	# we seemingly have to make a local copy of the whole thing,
355	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
356		497
357	close $fh	498	my @res = Coro::Util::fork_eval {
358	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
359		502
360	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
361	and return;	504	}
362		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
363	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	642	}
365		643
366	=back	644	=back
367		645
368	=cut	646	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
377		655
378	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	658	Crossfire TRT).
381		659
382	=over 4	660	=over 4
383		661
384	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
385		663
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	777	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	778	our @CB_MAP = ();
501		779
502	my %attachment;	780	my %attachment;
503		781
		782	sub cf::attachable::thawer_merge {
		783	# simply override everything except _meta
		784	local $_[0]{_meta};
		785	%{$_[0]} = %{$_[1]};
		786	}
		787
504	sub _attach_cb($$$$) {	788	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	789	my ($registry, $event, $prio, $cb) = @_;
506		790
507	use sort 'stable';	791	use sort 'stable';
508		792
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
543		827
544	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		832
549	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	834	my $pkg = shift @arg;
551		835
552	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
582	}	866	}
583		867
584	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
585	} else {	869	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	871	}
588		872
589	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
590	}	874	}
591		875
…		…
593	if (ref $_[0]) {	877	if (ref $_[0]) {
594	_object_attach @_;	878	_object_attach @_;
595	} else {	879	} else {
596	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
597	}	881	}
		882	_recalc_want;
598	};	883	};
599		884
600	# all those should be optimised	885	# all those should be optimised
601	sub cf::attachable::detach {	886	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
606	reattach ($obj);	891	reattach ($obj);
607	} else {	892	} else {
608	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
609	}	894	}
		895	_recalc_want;
610	};	896	};
611		897
612	sub cf::attachable::attached {	898	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
614		900
…		…
629	";	915	";
630	die if $@;	916	die if $@;
631	}	917	}
632		918
633	our $override;	919	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		921
636	sub override {	922	sub override {
637	$override = 1;	923	$override = 1;
638	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
639	}	925	}
640		926
641	sub do_invoke {	927	sub do_invoke {
642	my $event = shift;	928	my $event = shift;
643	my $callbacks = shift;	929	my $callbacks = shift;
644		930
645	@invoke_results = ();	931	@INVOKE_RESULTS = ();
646		932
647	local $override;	933	local $override;
648		934
649	for (@$callbacks) {	935	for (@$callbacks) {
650	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
667		953
668	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
669		955
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		959
674	=back	960	=back
675		961
676	=cut	962	=cut
677		963
678	#############################################################################	964	#############################################################################
679	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
680		977
681	sub reattach {	978	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	980	my ($obj) = @_;
		981
		982	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		983
685	my $registry = $obj->registry;	984	my $registry = $obj->registry;
686		985
687	@$registry = ();	986	@$registry = ();
688		987
…		…
727	);	1026	);
728		1027
729	sub object_freezer_save {	1028	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
731		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
732	sync_job {	1033	sync_job {
733	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
736		1038
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1042	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1043	close $fh;
742		1044
743	if (@$objs) {	1045	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1046	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1047	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1048	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1049	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1050	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1051	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1052	aio_rename "$filename.pst~", "$filename.pst";
751	}	1053	}
752	} else {	1054	} else {
753	aio_unlink "$filename.pst";	1055	aio_unlink "$filename.pst";
…		…
759	}	1061	}
760	} else {	1062	} else {
761	aio_unlink $filename;	1063	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
763	}	1065	}
764	}	1066	};
		1067
		1068	undef $guard;
765	}	1069	}
766		1070
767	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
769		1073
…		…
774		1078
775	sub object_thawer_load {	1079	sub object_thawer_load {
776	my ($filename) = @_;	1080	my ($filename) = @_;
777		1081
778	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
779		1085
780	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
781	or return;	1087	or return;
782		1088
783	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
785	or return;	1091	or return;
		1092
		1093	undef $guard;
786	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1095	}
788		1096
		1097	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
791	return ($data, $av);	1101	($data, $av)
792	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
793		1109
794	#############################################################################	1110	#############################################################################
795	# command handling &c	1111	# command handling &c
796		1112
797	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1127	}
812		1128
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1130
815	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
816		1136
817	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
818	called.	1138	called.
819		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
820	=cut	1151	=cut
821		1152
822	sub register_extcmd {	1153	sub register_extcmd {
823	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
824		1155
825	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
826	}	1163	}
827		1164
828	cf::player->attach (	1165	cf::player->attach (
829	on_command => sub {	1166	on_command => sub {
830	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1176	cf::override;
840	},	1177	},
841	on_extcmd => sub {	1178	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
843		1180
844	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1182
846	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
852	} else {	1198	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1200	}
855		1201
856	cf::override;	1202	cf::override;
857	},	1203	},
858	);	1204	);
859		1205
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
895	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1211	next unless -r $path;
897	eval {	1212
898	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
899	1	1270	}
900	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
901	}	1276	};
902	}	1277	}
903		1278
904	#############################################################################	1279	#############################################################################
905		1280
		1281	=back
		1282
906	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
907		1284
908	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
909		1286
910	=cut	1287	=cut
…		…
915		1292
916	=head3 cf::player	1293	=head3 cf::player
917		1294
918	=over 4	1295	=over 4
919		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
920	=item cf::player::find $login	1311	=item cf::player::find $login
921		1312
922	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
923		1314
924	=cut	1315	=cut
925		1316
926	sub playerdir($) {	1317	sub playerdir($) {
927	cf::localdir	1318	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1320	}
933		1321
934	sub path($) {	1322	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1324
937	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
938	}	1326	}
939		1327
940	sub find_active($) {	1328	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
945		1333
946	sub exists($) {	1334	sub exists($) {
947	my ($login) = @_;	1335	my ($login) = @_;
948		1336
949	$cf::PLAYER{$login}	1337	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1338	or cf::sync_job { !aio_stat path $login }
951	}	1339	}
952		1340
953	sub find($) {	1341	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1342	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1343	my $login = $_[0];
956		1344
957	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
958		1346
959	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
961	or return;	1356	or return;
		1357
		1358	$f->next;
		1359	my $pl = cf::player::load_pl $f
		1360	or return;
		1361	local $cf::PLAYER_LOADING{$login} = $pl;
		1362	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1363	$cf::PLAYER{$login} = $pl
963	}	1364	}
964	}	1365	}
965	}	1366	}
966		1367
…		…
976		1377
977	aio_mkdir playerdir $pl, 0770;	1378	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1379	$pl->{last_save} = $cf::RUNTIME;
979		1380
980	$pl->save_pl ($path);	1381	$pl->save_pl ($path);
981	Coro::cede;	1382	cf::cede_to_tick;
982	}	1383	}
983		1384
984	sub new($) {	1385	sub new($) {
985	my ($login) = @_;	1386	my ($login) = @_;
986		1387
…		…
992	$cf::PLAYER{$login} = $self;	1393	$cf::PLAYER{$login} = $self;
993		1394
994	$self	1395	$self
995	}	1396	}
996		1397
		1398	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1399
		1400	=cut
		1401
		1402	sub send_msg {
		1403	my $ns = shift->ns
		1404	or return;
		1405	$ns->send_msg (@_);
		1406	}
		1407
997	=item $pl->quit_character	1408	=item $pl->quit_character
998		1409
999	Nukes the player without looking back. If logged in, the connection will	1410	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1411	be destroyed. May block for a long time.
1001		1412
1002	=cut	1413	=cut
1003		1414
1004	sub quit_character {	1415	sub quit_character {
1005	my ($pl) = @_;	1416	my ($pl) = @_;
		1417
		1418	my $name = $pl->ob->name;
1006		1419
1007	$pl->{deny_save} = 1;	1420	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1421	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1422
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1423	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1428	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1429	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1430	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1431	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1432	$pl->destroy;
		1433
		1434	my $prefix = qr<^~\Q$name\E/>;
		1435
		1436	# nuke player maps
		1437	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1438
1020	IO::AIO::aio_rmtree $temp;	1439	IO::AIO::aio_rmtree $temp;
		1440	}
		1441
		1442	=item $pl->kick
		1443
		1444	Kicks a player out of the game. This destroys the connection.
		1445
		1446	=cut
		1447
		1448	sub kick {
		1449	my ($pl, $kicker) = @_;
		1450
		1451	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1452	$pl->killer ("kicked");
		1453	$pl->ns->destroy;
1021	}	1454	}
1022		1455
1023	=item cf::player::list_logins	1456	=item cf::player::list_logins
1024		1457
1025	Returns am arrayref of all valid playernames in the system, can take a	1458	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1459	while and may block, so not sync_job-capable, ever.
1027		1460
1028	=cut	1461	=cut
1029		1462
1030	sub list_logins {	1463	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1464	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1465	or return [];
1033		1466
1034	my @logins;	1467	my @logins;
1035		1468
1036	for my $login (@$dirs) {	1469	for my $login (@$dirs) {
		1470	my $path = path $login;
		1471
		1472	# a .pst is a dead give-away for a valid player
		1473	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1474	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1475	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1476	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1477	}
1040		1478
1041	utf8::decode $login;	1479	utf8::decode $login;
1042	push @logins, $login;	1480	push @logins, $login;
1043	}	1481	}
1044		1482
…		…
1052		1490
1053	=cut	1491	=cut
1054		1492
1055	sub maps($) {	1493	sub maps($) {
1056	my ($pl) = @_;	1494	my ($pl) = @_;
		1495
		1496	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1497
1058	my $files = aio_readdir playerdir $pl	1498	my $files = aio_readdir playerdir $pl
1059	or return;	1499	or return;
1060		1500
1061	my @paths;	1501	my @paths;
…		…
1063	for (@$files) {	1503	for (@$files) {
1064	utf8::decode $_;	1504	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1505	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1506	next unless /^$PATH_SEP/o;
1067		1507
1068	s/\.map$//;	1508	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1509	}
1071		1510
1072	\@paths	1511	\@paths
1073	}	1512	}
1074		1513
		1514	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1515
		1516	Expand crossfire pod fragments into protocol xml.
		1517
		1518	=cut
		1519
		1520	sub expand_cfpod {
		1521	((my $self), (local $_)) = @_;
		1522
		1523	# escape & and <
		1524	s/&/&amp;/g;
		1525	s/(?<![BIUGHT])</&lt;/g;
		1526
		1527	# this is buggy, it needs to properly take care of nested <'s
		1528
		1529	1 while
		1530	# replace B<>, I<>, U<> etc.
		1531	s/B<([^\>]*)>/<b>$1<\/b>/
		1532	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1533	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1534	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1535	# replace G<male|female> tags
		1536	|| s{G<([^>|]*)\|([^>]*)>}{
		1537	$self->gender ? $2 : $1
		1538	}ge
		1539	# replace H<hint text>
		1540	|| s{H<([^\>]*)>}
		1541	{
		1542	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1543	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1544	"")
		1545	[$self->{hintmode}]
		1546	}ge;
		1547
		1548	# create single paragraphs (very hackish)
		1549	s/(?<=\S)\n(?=\w)/ /g;
		1550
		1551	# compress some whitespace
		1552	s/\s+\n/\n/g; # ws line-ends
		1553	s/\n\n+/\n/g; # double lines
		1554	s/^\n+//; # beginning lines
		1555	s/\n+$//; # ending lines
		1556
		1557	$_
		1558	}
		1559
		1560	sub hintmode {
		1561	$_[0]{hintmode} = $_[1] if @_ > 1;
		1562	$_[0]{hintmode}
		1563	}
		1564
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1565	=item $player->ext_reply ($msgid, @msg)
1076		1566
1077	Sends an ext reply to the player.	1567	Sends an ext reply to the player.
1078		1568
1079	=cut	1569	=cut
1080		1570
1081	sub ext_reply($$$%) {	1571	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1572	my ($self, $id, @msg) = @_;
1083		1573
1084	$msg{msgid} = $id;	1574	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1575	}
1088		1576
1089	package cf;	1577	=item $player->ext_msg ($type, @msg)
		1578
		1579	Sends an ext event to the client.
		1580
		1581	=cut
		1582
		1583	sub ext_msg($$@) {
		1584	my ($self, $type, @msg) = @_;
		1585
		1586	$self->ns->ext_msg ($type, @msg);
		1587	}
		1588
		1589	=head3 cf::region
		1590
		1591	=over 4
		1592
		1593	=cut
		1594
		1595	package cf::region;
		1596
		1597	=item cf::region::find_by_path $path
		1598
		1599	Tries to decuce the likely region for a map knowing only its path.
		1600
		1601	=cut
		1602
		1603	sub find_by_path($) {
		1604	my ($path) = @_;
		1605
		1606	my ($match, $specificity);
		1607
		1608	for my $region (list) {
		1609	if ($region->{match} && $path =~ $region->{match}) {
		1610	($match, $specificity) = ($region, $region->specificity)
		1611	if $region->specificity > $specificity;
		1612	}
		1613	}
		1614
		1615	$match
		1616	}
1090		1617
1091	=back	1618	=back
1092
1093		1619
1094	=head3 cf::map	1620	=head3 cf::map
1095		1621
1096	=over 4	1622	=over 4
1097		1623
…		…
1101		1627
1102	use Fcntl;	1628	use Fcntl;
1103	use Coro::AIO;	1629	use Coro::AIO;
1104		1630
1105	use overload	1631	use overload
1106	'""' => \&as_string;	1632	'""' => \&as_string,
		1633	fallback => 1;
1107		1634
1108	our $MAX_RESET = 3600;	1635	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1636	our $DEFAULT_RESET = 3000;
1110		1637
1111	sub generate_random_map {	1638	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1639	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1640	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1641	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1642	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1643	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1644	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1651	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1652	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1653	)
1128	}	1654	}
1129		1655
		1656	=item cf::map->register ($regex, $prio)
		1657
		1658	Register a handler for the map path matching the given regex at the
		1659	givne priority (higher is better, built-in handlers have priority 0, the
		1660	default).
		1661
		1662	=cut
		1663
1130	sub register {	1664	sub register {
1131	my (undef, $regex) = @_;	1665	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1666	my $pkg = caller;
1133		1667
1134	no strict;	1668	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1669	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1670
1137	$EXT_MAP{$pkg} = qr<$regex>;	1671	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1672	}
1139		1673
1140	# also paths starting with '/'	1674	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1675	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1676
		1677	sub thawer_merge {
		1678	my ($self, $merge) = @_;
		1679
		1680	# we have to keep some variables in memory intact
		1681	local $self->{path};
		1682	local $self->{load_path};
		1683
		1684	$self->SUPER::thawer_merge ($merge);
		1685	}
1142		1686
1143	sub normalise {	1687	sub normalise {
1144	my ($path, $base) = @_;	1688	my ($path, $base) = @_;
		1689
		1690	$path = "$path"; # make sure its a string
		1691
		1692	$path =~ s/\.map$//;
1145		1693
1146	# map plan:	1694	# map plan:
1147	#	1695	#
1148	# /! non-realised random map exit (special hack!)	1696	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1697	# {... are special paths that are not being touched
…		…
1177		1725
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1726	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1727
1180	$path = normalise $path, $base;	1728	$path = normalise $path, $base;
1181		1729
1182	for my $pkg (keys %EXT_MAP) {	1730	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1731	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1732	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1733	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1734	$self->init; # pass $1 etc.
1187	return $self;	1735	return $self;
1188	}	1736	}
1189	}	1737	}
1190		1738
1191	Carp::carp "unable to resolve path '$path'.";	1739	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1740	()
1193	}	1741	}
1194		1742
1195	sub init {	1743	sub init {
1196	my ($self) = @_;	1744	my ($self) = @_;
…		…
1211		1759
1212	# the original (read-only) location	1760	# the original (read-only) location
1213	sub load_path {	1761	sub load_path {
1214	my ($self) = @_;	1762	my ($self) = @_;
1215		1763
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1764	"$MAPDIR/$self->{path}.map"
1217	}	1765	}
1218		1766
1219	# the temporary/swap location	1767	# the temporary/swap location
1220	sub save_path {	1768	sub save_path {
1221	my ($self) = @_;	1769	my ($self) = @_;
1222		1770
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1772	"$TMPDIR/$path.map"
1225	}	1773	}
1226		1774
1227	# the unique path, undef == no special unique path	1775	# the unique path, undef == no special unique path
1228	sub uniq_path {	1776	sub uniq_path {
1229	my ($self) = @_;	1777	my ($self) = @_;
1230		1778
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1779	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1780	"$UNIQUEDIR/$path"
1233	}	1781	}
1234		1782
1235	# and all this just because we cannot iterate over	1783	# and all this just because we cannot iterate over
1236	# all maps in C++...	1784	# all maps in C++...
1237	sub change_all_map_light {	1785	sub change_all_map_light {
…		…
1239		1787
1240	$_->change_map_light ($change)	1788	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1789	for grep $_->outdoor, values %cf::MAP;
1242	}	1790	}
1243		1791
		1792	sub decay_objects {
		1793	my ($self) = @_;
		1794
		1795	return if $self->{deny_reset};
		1796
		1797	$self->do_decay_objects;
		1798	}
		1799
1244	sub unlink_save {	1800	sub unlink_save {
1245	my ($self) = @_;	1801	my ($self) = @_;
1246		1802
1247	utf8::encode (my $save = $self->save_path);	1803	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1804	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1805	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1806	}
1251		1807
1252	sub load_header_from($) {	1808	sub load_header_from($) {
1253	my ($self, $path) = @_;	1809	my ($self, $path) = @_;
1254		1810
1255	utf8::encode $path;	1811	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1812	my $f = new_from_file cf::object::thawer $path
1257	or return;	1813	or return;
1258		1814
1259	$self->_load_header ($path)	1815	$self->_load_header ($f)
1260	or return;	1816	or return;
1261		1817
		1818	local $MAP_LOADING{$self->{path}} = $self;
		1819	$f->resolve_delayed_derefs;
		1820
1262	$self->{load_path} = $path;	1821	$self->{load_path} = $path;
1263		1822
1264	1	1823	1
1265	}	1824	}
1266		1825
1267	sub load_orig {	1826	sub load_header_orig {
1268	my ($self) = @_;	1827	my ($self) = @_;
1269		1828
1270	$self->load_header_from ($self->load_path)	1829	$self->load_header_from ($self->load_path)
1271	}	1830	}
1272		1831
1273	sub load_temp {	1832	sub load_header_temp {
1274	my ($self) = @_;	1833	my ($self) = @_;
1275		1834
1276	$self->load_header_from ($self->save_path)	1835	$self->load_header_from ($self->save_path)
		1836	}
		1837
		1838	sub prepare_temp {
		1839	my ($self) = @_;
		1840
		1841	$self->last_access ((delete $self->{last_access})
		1842	|| $cf::RUNTIME); #d#
		1843	# safety
		1844	$self->{instantiate_time} = $cf::RUNTIME
		1845	if $self->{instantiate_time} > $cf::RUNTIME;
		1846	}
		1847
		1848	sub prepare_orig {
		1849	my ($self) = @_;
		1850
		1851	$self->{load_original} = 1;
		1852	$self->{instantiate_time} = $cf::RUNTIME;
		1853	$self->last_access ($cf::RUNTIME);
		1854	$self->instantiate;
1277	}	1855	}
1278		1856
1279	sub load_header {	1857	sub load_header {
1280	my ($self) = @_;	1858	my ($self) = @_;
1281		1859
1282	if ($self->load_temp) {	1860	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1861	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1862	} else {
1289	$self->load_orig	1863	$self->load_header_orig
1290	or return;	1864	or return;
1291		1865	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1866	}
		1867
		1868	$self->{deny_reset} = 1
		1869	if $self->no_reset;
		1870
		1871	$self->default_region (cf::region::find_by_path $self->{path})
		1872	unless $self->default_region;
1297		1873
1298	1	1874	1
1299	}	1875	}
1300		1876
1301	sub find;	1877	sub find;
1302	sub find {	1878	sub find {
1303	my ($path, $origin) = @_;	1879	my ($path, $origin) = @_;
1304		1880
1305	$path = normalise $path, $origin && $origin->path;	1881	$path = normalise $path, $origin && $origin->path;
1306		1882
		1883	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1884	cf::lock_wait "map_find:$path";
1308		1885
1309	$cf::MAP{$path} || do {	1886	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1887	my $guard1 = cf::lock_acquire "map_find:$path";
		1888	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1889
1311	my $map = new_from_path cf::map $path	1890	my $map = new_from_path cf::map $path
1312	or return;	1891	or return;
1313		1892
1314	$map->{last_save} = $cf::RUNTIME;	1893	$map->{last_save} = $cf::RUNTIME;
1315		1894
1316	$map->load_header	1895	$map->load_header
1317	or return;	1896	or return;
1318		1897
1319	if ($map->should_reset) {	1898	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1899	# doing this can freeze the server in a sync job, obviously
		1900	#$cf::WAIT_FOR_TICK->wait;
		1901	undef $guard1;
		1902	undef $guard2;
1320	$map->reset;	1903	$map->reset;
1321	undef $guard;
1322	$map = find $path	1904	return find $path;
1323	or return;
1324	}	1905	}
1325		1906
1326	$cf::MAP{$path} = $map	1907	$cf::MAP{$path} = $map
1327	}	1908	}
1328	}	1909	}
		1910
		1911	sub pre_load { }
		1912	sub post_load { }
1329		1913
1330	sub load {	1914	sub load {
1331	my ($self) = @_;	1915	my ($self) = @_;
1332		1916
		1917	local $self->{deny_reset} = 1; # loading can take a long time
		1918
1333	my $path = $self->{path};	1919	my $path = $self->{path};
		1920
		1921	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1922	my $guard = cf::lock_acquire "map_data:$path";
1335		1923
		1924	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1925	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1926
1338	$self->in_memory (cf::MAP_LOADING);	1927	$self->in_memory (cf::MAP_LOADING);
1339		1928
1340	$self->alloc;	1929	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1930
		1931	$self->pre_load;
		1932	cf::cede_to_tick;
		1933
		1934	my $f = new_from_file cf::object::thawer $self->{load_path};
		1935	$f->skip_block;
		1936	$self->_load_objects ($f)
1342	or return;	1937	or return;
1343		1938
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1939	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1940	if delete $self->{load_original};
1346		1941
1347	if (my $uniq = $self->uniq_path) {	1942	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1943	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1944	unless (aio_stat $uniq) {
		1945	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1946	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1947	$self->_load_objects ($f);
		1948	$f->resolve_delayed_derefs;
		1949	}
1352	}	1950	}
1353	}	1951	}
1354		1952
1355	Coro::cede;	1953	$f->resolve_delayed_derefs;
1356		1954
		1955	cf::cede_to_tick;
1357	# now do the right thing for maps	1956	# now do the right thing for maps
1358	$self->link_multipart_objects;	1957	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;
1365	$self->set_darkness_map;
1366	$self->difficulty ($self->estimate_difficulty)	1958	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1959	unless $self->difficulty;
1368	Coro::cede;	1960	cf::cede_to_tick;
		1961
		1962	unless ($self->{deny_activate}) {
		1963	$self->decay_objects;
		1964	$self->fix_auto_apply;
		1965	$self->update_buttons;
		1966	cf::cede_to_tick;
		1967	$self->set_darkness_map;
		1968	cf::cede_to_tick;
1369	$self->activate;	1969	$self->activate;
1370	}	1970	}
1371		1971
		1972	$self->{last_save} = $cf::RUNTIME;
		1973	$self->last_access ($cf::RUNTIME);
		1974
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1975	$self->in_memory (cf::MAP_IN_MEMORY);
		1976	}
		1977
		1978	$self->post_load;
1373	}	1979	}
1374		1980
1375	sub customise_for {	1981	sub customise_for {
1376	my ($self, $ob) = @_;	1982	my ($self, $ob) = @_;
1377		1983
1378	return find "~" . $ob->name . "/" . $self->{path}	1984	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1985	if $self->per_player;
1380		1986
		1987	# return find "?party/" . $ob->name . "/" . $self->{path}
		1988	# if $self->per_party;
		1989
1381	$self	1990	$self
1382	}	1991	}
1383		1992
1384	# find and load all maps in the 3x3 area around a map	1993	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1994	sub load_neighbours {
1386	my ($map) = @_;	1995	my ($map) = @_;
1387		1996
1388	my @diag; # diagonal neighbours	1997	my @neigh; # diagonal neighbours
1389		1998
1390	for (0 .. 3) {	1999	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	2000	my $neigh = $map->tile_path ($_)
1392	or next;	2001	or next;
1393	$neigh = find $neigh, $map	2002	$neigh = find $neigh, $map
1394	or next;	2003	or next;
1395	$neigh->load;	2004	$neigh->load;
1396		2005
		2006	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2007	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2008	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2009	}
1400		2010
1401	for (@diag) {	2011	for (grep defined $_->[0], @neigh) {
		2012	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2013	my $neigh = find $path, $origin
1403	or next;	2014	or next;
1404	$neigh->load;	2015	$neigh->load;
1405	}	2016	}
1406	}	2017	}
1407		2018
…		…
1412	}	2023	}
1413		2024
1414	sub do_load_sync {	2025	sub do_load_sync {
1415	my ($map) = @_;	2026	my ($map) = @_;
1416		2027
		2028	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2029	if $Coro::current == $Coro::main;
		2030
1417	cf::sync_job { $map->load };	2031	cf::sync_job { $map->load };
1418	}	2032	}
1419		2033
1420	our %MAP_PREFETCH;	2034	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2035	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		2036
1434	sub find_async {	2037	sub find_async {
1435	my ($path, $origin) = @_;	2038	my ($path, $origin, $load) = @_;
1436		2039
1437	$path = normalise $path, $origin && $origin->{path};	2040	$path = normalise $path, $origin && $origin->{path};
1438		2041
1439	if (my $map = $cf::MAP{$path}) {	2042	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2043	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2044	}
		2045
		2046	$MAP_PREFETCH{$path} |= $load;
		2047
		2048	$MAP_PREFETCHER ||= cf::async {
		2049	while (%MAP_PREFETCH) {
		2050	while (my ($k, $v) = each %MAP_PREFETCH) {
		2051	if (my $map = find $k) {
		2052	$map->load if $v;
		2053	}
		2054
		2055	delete $MAP_PREFETCH{$k};
		2056	}
		2057	}
		2058	undef $MAP_PREFETCHER;
1441	}	2059	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2060	$MAP_PREFETCHER->prio (6);
1445		2061
1446	()	2062	()
1447	}	2063	}
1448		2064
1449	sub save {	2065	sub save {
1450	my ($self) = @_;	2066	my ($self) = @_;
1451		2067
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2068	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2069
1454	$self->{last_save} = $cf::RUNTIME;	2070	$self->{last_save} = $cf::RUNTIME;
1455		2071
1456	return unless $self->dirty;	2072	return unless $self->dirty;
1457		2073
…		…
1480	my ($self) = @_;	2096	my ($self) = @_;
1481		2097
1482	# save first because save cedes	2098	# save first because save cedes
1483	$self->save;	2099	$self->save;
1484		2100
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2101	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2102
1487	return if $self->players;	2103	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2104	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2105	return if $self->{deny_save};
1490		2106
		2107	$self->in_memory (cf::MAP_SWAPPED);
		2108
		2109	$self->deactivate;
		2110	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2111	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2112	}
1494		2113
1495	sub reset_at {	2114	sub reset_at {
1496	my ($self) = @_;	2115	my ($self) = @_;
1497		2116
1498	# TODO: safety, remove and allow resettable per-player maps	2117	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2118	return 1e99 if $self->{deny_reset};
1501		2119
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2120	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2121	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2122
…		…
1509	my ($self) = @_;	2127	my ($self) = @_;
1510		2128
1511	$self->reset_at <= $cf::RUNTIME	2129	$self->reset_at <= $cf::RUNTIME
1512	}	2130	}
1513		2131
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2132	sub reset {
1529	my ($self) = @_;	2133	my ($self) = @_;
1530		2134
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2135	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2136
1533	return if $self->players;	2137	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2138
1536	warn "resetting map ", $self->path;#d#	2139	warn "resetting map ", $self->path;
		2140
		2141	$self->in_memory (cf::MAP_SWAPPED);
		2142
		2143	# need to save uniques path
		2144	unless ($self->{deny_save}) {
		2145	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2146
		2147	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2148	if $uniq;
		2149	}
1537		2150
1538	delete $cf::MAP{$self->path};	2151	delete $cf::MAP{$self->path};
1539		2152
1540	$self->in_memory (cf::MAP_SWAPPED);	2153	$self->deactivate;
		2154	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2155	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2156
1545	$self->unlink_save;	2157	$self->unlink_save;
1546	$self->destroy;	2158	$self->destroy;
1547	}	2159	}
1548		2160
1549	my $nuke_counter = "aaaa";	2161	my $nuke_counter = "aaaa";
1550		2162
1551	sub nuke {	2163	sub nuke {
1552	my ($self) = @_;	2164	my ($self) = @_;
1553		2165
		2166	{
		2167	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2168
		2169	delete $cf::MAP{$self->path};
		2170
		2171	$self->unlink_save;
		2172
		2173	bless $self, "cf::map";
		2174	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2175	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2176	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2177	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2178
		2179	$cf::MAP{$self->path} = $self;
		2180	}
		2181
1557	$self->reset; # polite request, might not happen	2182	$self->reset; # polite request, might not happen
		2183	}
		2184
		2185	=item $maps = cf::map::tmp_maps
		2186
		2187	Returns an arrayref with all map paths of currently instantiated and saved
		2188	maps. May block.
		2189
		2190	=cut
		2191
		2192	sub tmp_maps() {
		2193	[
		2194	map {
		2195	utf8::decode $_;
		2196	/\.map$/
		2197	? normalise $_
		2198	: ()
		2199	} @{ aio_readdir $TMPDIR or [] }
		2200	]
		2201	}
		2202
		2203	=item $maps = cf::map::random_maps
		2204
		2205	Returns an arrayref with all map paths of currently instantiated and saved
		2206	random maps. May block.
		2207
		2208	=cut
		2209
		2210	sub random_maps() {
		2211	[
		2212	map {
		2213	utf8::decode $_;
		2214	/\.map$/
		2215	? normalise "?random/$_"
		2216	: ()
		2217	} @{ aio_readdir $RANDOMDIR or [] }
		2218	]
1558	}	2219	}
1559		2220
1560	=item cf::map::unique_maps	2221	=item cf::map::unique_maps
1561		2222
1562	Returns an arrayref of paths of all shared maps that have	2223	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2224	instantiated unique items. May block.
1564		2225
1565	=cut	2226	=cut
1566		2227
1567	sub unique_maps() {	2228	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2229	[
1569	or return;	2230	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2231	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2232	/\.map$/
1579	push @paths, $_;	2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2236	]
1581
1582	\@paths
1583	}	2237	}
1584		2238
1585	package cf;	2239	package cf;
1586		2240
1587	=back	2241	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2259	map { $_, inv_recursive_ $_->inv } @_
1606	}	2260	}
1607		2261
1608	sub inv_recursive {	2262	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2263	inv_recursive_ inv $_[0]
		2264	}
		2265
		2266	=item $ref = $ob->ref
		2267
		2268	creates and returns a persistent reference to an objetc that can be stored as a string.
		2269
		2270	=item $ob = cf::object::deref ($refstring)
		2271
		2272	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2273	even if the object actually exists. May block.
		2274
		2275	=cut
		2276
		2277	sub deref {
		2278	my ($ref) = @_;
		2279
		2280	# temporary compatibility#TODO#remove
		2281	$ref =~ s{^<}{player/<};
		2282
		2283	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2284	my ($uuid, $name) = ($1, $2);
		2285	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2286	or return;
		2287	$pl->ob->uuid eq $uuid
		2288	or return;
		2289
		2290	$pl->ob
		2291	} else {
		2292	warn "$ref: cannot resolve object reference\n";
		2293	undef
		2294	}
1610	}	2295	}
1611		2296
1612	package cf;	2297	package cf;
1613		2298
1614	=back	2299	=back
…		…
1633		2318
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2319	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2320
1636	if ($self->{record_replies}) {	2321	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2322	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2323
1638	} else {	2324	} else {
		2325	my $pl = $self->contr;
		2326
		2327	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2328	my $dialog = $pl->{npc_dialog};
		2329	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2330
		2331	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2332	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2333	$self->message ($msg, $flags);
		2334	}
1641	}	2335	}
		2336	}
		2337
		2338	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2339
		2340	=cut
		2341
		2342	sub cf::object::send_msg {
		2343	my $pl = shift->contr
		2344	or return;
		2345	$pl->send_msg (@_);
1642	}	2346	}
1643		2347
1644	=item $player_object->may ("access")	2348	=item $player_object->may ("access")
1645		2349
1646	Returns wether the given player is authorized to access resource "access"	2350	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2382	=cut
1679		2383
1680	sub link_map {	2384	sub link_map {
1681	unless ($LINK_MAP) {	2385	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2386	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2387	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2388	$LINK_MAP->load;
1685	}	2389	}
1686		2390
1687	$LINK_MAP	2391	$LINK_MAP
1688	}	2392	}
…		…
1693	$self->deactivate_recursive;	2397	$self->deactivate_recursive;
1694		2398
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2399	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2400
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2401	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2402	if $self->map && $self->map->{path} ne "{link}";
1699		2403
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2404	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2405	}
1702		2406
1703	sub cf::object::player::leave_link {	2407	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2408	my ($self, $map, $x, $y) = @_;
		2409
		2410	return unless $self->contr->active;
1705		2411
1706	my $link_pos = delete $self->{_link_pos};	2412	my $link_pos = delete $self->{_link_pos};
1707		2413
1708	unless ($map) {	2414	unless ($map) {
1709	# restore original map position	2415	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2429	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2430	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2431	if $x <=0 && $y <= 0;
1726		2432
1727	$map->load;	2433	$map->load;
1728	$map->load_diag;	2434	$map->load_neighbours;
1729		2435
1730	return unless $self->contr->active;	2436	return unless $self->contr->active;
1731	$self->activate_recursive;	2437	$self->activate_recursive;
		2438
		2439	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2440	$self->enter_map ($map, $x, $y);
1733	}	2441	}
1734		2442
1735	cf::player->attach (	2443	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2444
1739	# abort map switching before logout	2445	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2446	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2447	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2448	the new (success) or old (failed) map position. In either case, $done will
1743	};	2449	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2450
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2451	=cut
		2452
		2453	our $GOTOGEN;
1770		2454
1771	sub cf::object::player::goto {	2455	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2456	my ($self, $path, $x, $y, $check, $done) = @_;
		2457
		2458	# do generation counting so two concurrent goto's will be executed in-order
		2459	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2460
1774	$self->enter_link;	2461	$self->enter_link;
1775		2462
1776	(async {	2463	(async {
1777	my $map = cf::map::find $path;	2464	# *tag paths override both path and x|y
		2465	if ($path =~ /^\*(.*)$/) {
		2466	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2467	my $ob = $obs[rand @obs];
		2468
		2469	# see if we actually can go there
		2470	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2471	$ob = $obs[rand @obs];
		2472	} else {
		2473	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2474	}
		2475	# else put us there anyways for now #d#
		2476
		2477	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2478	} else {
		2479	($path, $x, $y) = (undef, undef, undef);
		2480	}
		2481	}
		2482
		2483	my $map = eval {
		2484	my $map = defined $path ? cf::map::find $path : undef;
		2485
		2486	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2487	$map = $map->customise_for ($self);
1779		2488	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2489	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2490	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2491	}
1784		2492
		2493	$map
		2494	};
		2495
		2496	if ($@) {
		2497	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2498	LOG llevError | logBacktrace, Carp::longmess $@;
		2499	}
		2500
		2501	if ($gen == $self->{_goto_generation}) {
		2502	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2503	$self->leave_link ($map, $x, $y);
		2504	}
		2505
		2506	$done->() if $done;
1786	})->prio (1);	2507	})->prio (1);
1787	}	2508	}
1788		2509
1789	=item $player_object->enter_exit ($exit_object)	2510	=item $player_object->enter_exit ($exit_object)
1790		2511
…		…
1792		2513
1793	sub parse_random_map_params {	2514	sub parse_random_map_params {
1794	my ($spec) = @_;	2515	my ($spec) = @_;
1795		2516
1796	my $rmp = { # defaults	2517	my $rmp = { # defaults
1797	xsize => 10,	2518	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2519	ysize => (cf::rndm 15, 40),
		2520	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2521	#layout => string,
1799	};	2522	};
1800		2523
1801	for (split /\n/, $spec) {	2524	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2525	my ($k, $v) = split /\s+/, $_, 2;
1803		2526
…		…
1807	$rmp	2530	$rmp
1808	}	2531	}
1809		2532
1810	sub prepare_random_map {	2533	sub prepare_random_map {
1811	my ($exit) = @_;	2534	my ($exit) = @_;
		2535
		2536	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2537
1813	# all this does is basically replace the /! path by	2538	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2539	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2540	# that depends on the exit object
1816		2541
1817	my $rmp = parse_random_map_params $exit->msg;	2542	my $rmp = parse_random_map_params $exit->msg;
1818		2543
1819	if ($exit->map) {	2544	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2545	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2546	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2547	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2548	$rmp->{origin_y} = $exit->y;
1824	}	2549	}
1825		2550
1826	$rmp->{random_seed} ||= $exit->random_seed;	2551	$rmp->{random_seed} ||= $exit->random_seed;
1827		2552
1828	my $data = cf::to_json $rmp;	2553	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2554	my $md5 = Digest::MD5::md5_hex $data;
		2555	my $meta = "$RANDOMDIR/$md5.meta";
1830		2556
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2557	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2558	aio_write $fh, 0, (length $data), $data, 0;
		2559	undef $fh;
		2560	aio_rename "$meta~", $meta;
1833		2561
1834	$exit->slaying ("?random/$md5");	2562	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2563	$exit->msg (undef);
1836	}	2564	}
1837	}	2565	}
…		…
1839	sub cf::object::player::enter_exit {	2567	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2568	my ($self, $exit) = @_;
1841		2569
1842	return unless $self->type == cf::PLAYER;	2570	return unless $self->type == cf::PLAYER;
1843		2571
		2572	if ($exit->slaying eq "/!") {
		2573	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2574	# the problem is that $exit might not survive long enough
		2575	# so it needs to be done right now, right here
		2576	cf::sync_job { prepare_random_map $exit };
		2577	}
		2578
		2579	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2580	my $hp = $exit->stats->hp;
		2581	my $sp = $exit->stats->sp;
		2582
1844	$self->enter_link;	2583	$self->enter_link;
		2584
		2585	# if exit is damned, update players death & WoR home-position
		2586	$self->contr->savebed ($slaying, $hp, $sp)
		2587	if $exit->flag (FLAG_DAMNED);
1845		2588
1846	(async {	2589	(async {
1847	$self->deactivate_recursive; # just to be sure	2590	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2591	unless (eval {
1849	prepare_random_map $exit	2592	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2593
1855	1;	2594	1;
1856	}) {	2595	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2596	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2597	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2598	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2599	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2600
1862	warn "ERROR in enter_exit: $@";	2601	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2602	$self->leave_link;
1864	}	2603	}
1865	})->prio (1);	2604	})->prio (1);
…		…
1878		2617
1879	sub cf::client::send_drawinfo {	2618	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2619	my ($self, $text, $flags) = @_;
1881		2620
1882	utf8::encode $text;	2621	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2622	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2623	}
1885		2624
		2625	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2626
		2627	Send a drawinfo or msg packet to the client, formatting the msg for the
		2628	client if neccessary. C<$type> should be a string identifying the type of
		2629	the message, with C<log> being the default. If C<$color> is negative, suppress
		2630	the message unless the client supports the msg packet.
		2631
		2632	=cut
		2633
		2634	our %CHANNEL = (
		2635	"c/identify" => {
		2636	id => "identify",
		2637	title => "Identify",
		2638	reply => undef,
		2639	tooltip => "Items recently identified",
		2640	},
		2641	"c/examine" => {
		2642	id => "examine",
		2643	title => "Examine",
		2644	reply => undef,
		2645	tooltip => "Signs and other items you examined",
		2646	},
		2647	);
		2648
		2649	sub cf::client::send_msg {
		2650	my ($self, $channel, $msg, $color, @extra) = @_;
		2651
		2652	$msg = $self->pl->expand_cfpod ($msg);
		2653
		2654	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2655
		2656	# check predefined channels, for the benefit of C
		2657	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2658
		2659	if (ref $channel) {
		2660	# send meta info to client, if not yet sent
		2661	unless (exists $self->{channel}{$channel->{id}}) {
		2662	$self->{channel}{$channel->{id}} = $channel;
		2663	$self->ext_msg (channel_info => $channel)
		2664	if $self->can_msg;
		2665	}
		2666
		2667	$channel = $channel->{id};
		2668	}
		2669
		2670	return unless @extra || length $msg;
		2671
		2672	if ($self->can_msg) {
		2673	# default colour, mask it out
		2674	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2675	if $color & cf::NDI_DEF;
		2676
		2677	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2678	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2679	} else {
		2680	if ($color >= 0) {
		2681	# replace some tags by gcfclient-compatible ones
		2682	for ($msg) {
		2683	1 while
		2684	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2685	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2686	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2687	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2688	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2689	}
		2690
		2691	$color &= cf::NDI_COLOR_MASK;
		2692
		2693	utf8::encode $msg;
		2694
		2695	if (0 && $msg =~ /\[/) {
		2696	# COMMAND/INFO
		2697	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2698	} else {
		2699	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2700	$self->send_packet ("drawinfo $color $msg")
		2701	}
		2702	}
		2703	}
		2704	}
		2705
		2706	=item $client->ext_msg ($type, @msg)
		2707
		2708	Sends an ext event to the client.
		2709
		2710	=cut
		2711
		2712	sub cf::client::ext_msg($$@) {
		2713	my ($self, $type, @msg) = @_;
		2714
		2715	if ($self->extcmd == 2) {
		2716	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2717	} elsif ($self->extcmd == 1) { # TODO: remove
		2718	push @msg, msgtype => "event_$type";
		2719	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2720	}
		2721	}
		2722
		2723	=item $client->ext_reply ($msgid, @msg)
		2724
		2725	Sends an ext reply to the client.
		2726
		2727	=cut
		2728
		2729	sub cf::client::ext_reply($$@) {
		2730	my ($self, $id, @msg) = @_;
		2731
		2732	if ($self->extcmd == 2) {
		2733	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2734	} elsif ($self->extcmd == 1) {
		2735	#TODO: version 1, remove
		2736	unshift @msg, msgtype => "reply", msgid => $id;
		2737	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2738	}
		2739	}
1886		2740
1887	=item $success = $client->query ($flags, "text", \&cb)	2741	=item $success = $client->query ($flags, "text", \&cb)
1888		2742
1889	Queues a query to the client, calling the given callback with	2743	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2744	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2745	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2746
1893	Queries can fail, so check the return code. Or don't, as queries will become	2747	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2748	become reliable at some point in the future.
1895		2749
1896	=cut	2750	=cut
1897		2751
1898	sub cf::client::query {	2752	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2753	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2761	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2762	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2763
1910	$self->send_packet ($self->{query_queue}[0][0])	2764	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2765	if @{ $self->{query_queue} } == 1;
		2766
		2767	1
1912	}	2768	}
1913		2769
1914	cf::client->attach (	2770	cf::client->attach (
		2771	on_connect => sub {
		2772	my ($ns) = @_;
		2773
		2774	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2775	},
1915	on_reply => sub {	2776	on_reply => sub {
1916	my ($ns, $msg) = @_;	2777	my ($ns, $msg) = @_;
1917		2778
1918	# this weird shuffling is so that direct followup queries	2779	# this weird shuffling is so that direct followup queries
1919	# get handled first	2780	# get handled first
1920	my $queue = delete $ns->{query_queue}	2781	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2782	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2783
1923	(shift @$queue)->[1]->($msg);	2784	(shift @$queue)->[1]->($msg);
		2785	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2786
1925	push @{ $ns->{query_queue} }, @$queue;	2787	push @{ $ns->{query_queue} }, @$queue;
1926		2788
1927	if (@{ $ns->{query_queue} } == @$queue) {	2789	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2790	if (@$queue) {
…		…
1930	} else {	2792	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2793	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2794	}
1933	}	2795	}
1934	},	2796	},
		2797	on_exticmd => sub {
		2798	my ($ns, $buf) = @_;
		2799
		2800	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2801
		2802	if (ref $msg) {
		2803	my ($type, $reply, @payload) =
		2804	"ARRAY" eq ref $msg
		2805	? @$msg
		2806	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2807
		2808	my @reply;
		2809
		2810	if (my $cb = $EXTICMD{$type}) {
		2811	@reply = $cb->($ns, @payload);
		2812	}
		2813
		2814	$ns->ext_reply ($reply, @reply)
		2815	if $reply;
		2816
		2817	} else {
		2818	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2819	}
		2820
		2821	cf::override;
		2822	},
1935	);	2823	);
1936		2824
1937	=item $client->async (\&cb)	2825	=item $client->async (\&cb)
1938		2826
1939	Create a new coroutine, running the specified callback. The coroutine will	2827	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2868	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2869	our $safe_hole = new Safe::Hole;
1982		2870
1983	$SIG{FPE} = 'IGNORE';	2871	$SIG{FPE} = 'IGNORE';
1984		2872
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2873	$safe->permit_only (Opcode::opset qw(
		2874	:base_core :base_mem :base_orig :base_math
		2875	grepstart grepwhile mapstart mapwhile
		2876	sort time
		2877	));
1986		2878
1987	# here we export the classes and methods available to script code	2879	# here we export the classes and methods available to script code
1988		2880
1989	=pod	2881	=pod
1990		2882
1991	The following fucntions and emthods are available within a safe environment:	2883	The following functions and methods are available within a safe environment:
1992		2884
1993	cf::object contr pay_amount pay_player map	2885	cf::object
		2886	contr pay_amount pay_player map x y force_find force_add
		2887	insert remove name archname title slaying race decrease_ob_nr
		2888
1994	cf::object::player player	2889	cf::object::player
1995	cf::player peaceful	2890	player
1996	cf::map trigger	2891
		2892	cf::player
		2893	peaceful
		2894
		2895	cf::map
		2896	trigger
1997		2897
1998	=cut	2898	=cut
1999		2899
2000	for (	2900	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2901	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2902	insert remove inv name archname title slaying race
		2903	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2904	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2905	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2906	["cf::map" => qw(trigger)],
2005	) {	2907	) {
2006	no strict 'refs';	2908	no strict 'refs';
…		…
2077	=back	2979	=back
2078		2980
2079	=cut	2981	=cut
2080		2982
2081	#############################################################################	2983	#############################################################################
		2984	# the server's init and main functions
2082		2985
2083	=head2 EXTENSION DATABASE SUPPORT	2986	sub load_facedata($) {
		2987	my ($path) = @_;
2084		2988
2085	Crossfire maintains a very simple database for extension use. It can	2989	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2990	# for this (global event?)
2087	excludes objects.	2991	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2992
2089	The parameter C<$family> should best start with the name of the extension	2993	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2994
2092	=over 4	2995	warn "loading facedata from $path\n";
2093		2996
2094	=item $hashref = cf::db_get $family	2997	my $facedata;
		2998	0 < aio_load $path, $facedata
		2999	or die "$path: $!";
2095		3000
2096	Return a hashref for use by the extension C<$family>, which can be	3001	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		3002
2100	=item $value = cf::db_get $family => $key	3003	$facedata->{version} == 2
		3004	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		3005
2102	Returns a single value from the database	3006	# patch in the exptable
2103		3007	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3008	type => FT_RSRC,
2105		3009	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	3010	};
		3011	cf::cede_to_tick;
2155		3012
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3013	{
		3014	my $faces = $facedata->{faceinfo};
2160		3015
2161	sub db_get($;$) {	3016	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3017	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	3018	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	3019	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	3020	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3021	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		3022
2167	sub db_put($$;$) {	3023	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	3024	}
2181	);
2182	}
2183		3025
2184	#############################################################################	3026	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3027	next unless $info->{smooth};
		3028	my $idx = cf::face::find $face
		3029	or next;
		3030	if (my $smooth = cf::face::find $info->{smooth}) {
		3031	cf::face::set_smooth $idx, $smooth;
		3032	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3033	} else {
		3034	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3035	}
2186		3036
2187	sub cfg_load {	3037	cf::cede_to_tick;
		3038	}
		3039	}
		3040
		3041	{
		3042	my $anims = $facedata->{animinfo};
		3043
		3044	while (my ($anim, $info) = each %$anims) {
		3045	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3046	cf::cede_to_tick;
		3047	}
		3048
		3049	cf::anim::invalidate_all; # d'oh
		3050	}
		3051
		3052	{
		3053	# TODO: for gcfclient pleasure, we should give resources
		3054	# that gcfclient doesn't grok a >10000 face index.
		3055	my $res = $facedata->{resource};
		3056
		3057	my $soundconf = delete $res->{"res/sound.conf"};
		3058
		3059	while (my ($name, $info) = each %$res) {
		3060	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3061	my $data;
		3062
		3063	if ($info->{type} & 1) {
		3064	# prepend meta info
		3065
		3066	my $meta = $enc->encode ({
		3067	name => $name,
		3068	%{ $info->{meta} || {} },
		3069	});
		3070
		3071	$data = pack "(w/a*)*", $meta, $info->{data};
		3072	} else {
		3073	$data = $info->{data};
		3074	}
		3075
		3076	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3077	cf::face::set_type $idx, $info->{type};
		3078
		3079	cf::cede_to_tick;
		3080	}
		3081
		3082	if ($soundconf) {
		3083	$soundconf = $enc->decode (delete $soundconf->{data});
		3084
		3085	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3086	my $sound = $soundconf->{compat}[$_]
		3087	or next;
		3088
		3089	my $face = cf::face::find "sound/$sound->[1]";
		3090	cf::sound::set $sound->[0] => $face;
		3091	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3092	}
		3093
		3094	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3095	my $face = cf::face::find "sound/$v";
		3096	cf::sound::set $k => $face;
		3097	}
		3098	}
		3099	}
		3100
		3101	1
		3102	}
		3103
		3104	register_exticmd fx_want => sub {
		3105	my ($ns, $want) = @_;
		3106
		3107	while (my ($k, $v) = each %$want) {
		3108	$ns->fx_want ($k, $v);
		3109	}
		3110	};
		3111
		3112	sub reload_regions {
		3113	# HACK to clear player env face cache, we need some signal framework
		3114	# for this (global event?)
		3115	%ext::player_env::MUSIC_FACE_CACHE = ();
		3116
		3117	load_resource_file "$MAPDIR/regions"
		3118	or die "unable to load regions file\n";
		3119
		3120	for (cf::region::list) {
		3121	$_->{match} = qr/$_->{match}/
		3122	if exists $_->{match};
		3123	}
		3124	}
		3125
		3126	sub reload_facedata {
		3127	load_facedata "$DATADIR/facedata"
		3128	or die "unable to load facedata\n";
		3129	}
		3130
		3131	sub reload_archetypes {
		3132	load_resource_file "$DATADIR/archetypes"
		3133	or die "unable to load archetypes\n";
		3134	#d# NEED to laod twice to resolve forward references
		3135	# this really needs to be done in an extra post-pass
		3136	# (which needs to be synchronous, so solve it differently)
		3137	load_resource_file "$DATADIR/archetypes"
		3138	or die "unable to load archetypes\n";
		3139	}
		3140
		3141	sub reload_treasures {
		3142	load_resource_file "$DATADIR/treasures"
		3143	or die "unable to load treasurelists\n";
		3144	}
		3145
		3146	sub reload_resources {
		3147	warn "reloading resource files...\n";
		3148
		3149	reload_regions;
		3150	reload_facedata;
		3151	#reload_archetypes;#d#
		3152	reload_archetypes;
		3153	reload_treasures;
		3154
		3155	warn "finished reloading resource files\n";
		3156	}
		3157
		3158	sub init {
		3159	reload_resources;
		3160	}
		3161
		3162	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3163	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3164	or return;
2190		3165
2191	local $/;	3166	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3167	*CFG = YAML::Syck::Load <$fh>;
2193		3168
…		…
2207		3182
2208	sub main {	3183	sub main {
2209	# we must not ever block the main coroutine	3184	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3185	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3186	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3187	(async {
2212	async { Event::one_event };	3188	Event::one_event;
		3189	})->prio (Coro::PRIO_MAX);
2213	};	3190	};
2214		3191
2215	cfg_load;	3192	reload_config;
2216	db_load;	3193	db_init;
2217	load_extensions;	3194	load_extensions;
		3195
		3196	$TICK_WATCHER->start;
2218	Event::loop;	3197	Event::loop;
2219	}	3198	}
2220		3199
2221	#############################################################################	3200	#############################################################################
2222	# initialisation and cleanup	3201	# initialisation and cleanup
2223		3202
2224	# install some emergency cleanup handlers	3203	# install some emergency cleanup handlers
2225	BEGIN {	3204	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3205	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3206	Event->signal (
		3207	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3208	data => WF_AUTOCANCEL,
2229	signal => $signal,	3209	signal => $signal,
		3210	prio => 0,
2230	cb => sub {	3211	cb => sub {
2231	cf::cleanup "SIG$signal";	3212	cf::cleanup "SIG$signal";
2232	},	3213	},
2233	);	3214	);
2234	}	3215	}
		3216	}
		3217
		3218	sub write_runtime {
		3219	my $runtime = "$LOCALDIR/runtime";
		3220
		3221	# first touch the runtime file to show we are still running:
		3222	# the fsync below can take a very very long time.
		3223
		3224	IO::AIO::aio_utime $runtime, undef, undef;
		3225
		3226	my $guard = cf::lock_acquire "write_runtime";
		3227
		3228	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3229	or return;
		3230
		3231	my $value = $cf::RUNTIME + 90 + 10;
		3232	# 10 is the runtime save interval, for a monotonic clock
		3233	# 60 allows for the watchdog to kill the server.
		3234
		3235	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3236	and return;
		3237
		3238	# always fsync - this file is important
		3239	aio_fsync $fh
		3240	and return;
		3241
		3242	# touch it again to show we are up-to-date
		3243	aio_utime $fh, undef, undef;
		3244
		3245	close $fh
		3246	or return;
		3247
		3248	aio_rename "$runtime~", $runtime
		3249	and return;
		3250
		3251	warn "runtime file written.\n";
		3252
		3253	1
2235	}	3254	}
2236		3255
2237	sub emergency_save() {	3256	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3257	my $freeze_guard = cf::freeze_mainloop;
2239		3258
…		…
2256	my $map = $cf::MAP{$path} or next;	3275	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3276	$map->valid or next;
2258	$map->save;	3277	$map->save;
2259	}	3278	}
2260	warn "end emergency map save\n";	3279	warn "end emergency map save\n";
		3280
		3281	warn "begin emergency database checkpoint\n";
		3282	BDB::db_env_txn_checkpoint $DB_ENV;
		3283	warn "end emergency database checkpoint\n";
2261	};	3284	};
2262		3285
2263	warn "leave emergency perl save\n";	3286	warn "leave emergency perl save\n";
2264	}	3287	}
2265		3288
		3289	sub post_cleanup {
		3290	my ($make_core) = @_;
		3291
		3292	warn Carp::longmess "post_cleanup backtrace"
		3293	if $make_core;
		3294	}
		3295
2266	sub reload() {	3296	sub do_reload_perl() {
2267	# can/must only be called in main	3297	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3298	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3299	warn "can only reload from main coroutine";
2270	return;	3300	return;
2271	}	3301	}
2272		3302
2273	warn "reloading...";	3303	warn "reloading...";
2274		3304
2275	warn "freezing server";	3305	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3306
		3307	cf::sync_job {
		3308	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3309	cf::emergency_save;
		3310	cf::write_runtime; # external watchdog should not bark
2278		3311
2279	warn "sync database to disk";	3312	warn "syncing database to disk";
2280	cf::db_sync;	3313	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3314
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3315	# if anything goes wrong in here, we should simply crash as we already saved
2285		3316
2286	warn "cancel all watchers";	3317	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3318	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3319	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3320	}
2290		3321
		3322	warn "flushing outstanding aio requests";
		3323	for (;;) {
		3324	BDB::flush;
		3325	IO::AIO::flush;
		3326	Coro::cede;
		3327	last unless IO::AIO::nreqs || BDB::nreqs;
		3328	warn "iterate...";
		3329	}
		3330
		3331	++$RELOAD;
		3332
2291	warn "cancel all extension coros";	3333	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3334	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3335	%EXT_CORO = ();
2294		3336
2295	warn "remove commands";	3337	warn "removing commands";
2296	%COMMAND = ();	3338	%COMMAND = ();
2297		3339
2298	warn "remove ext commands";	3340	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3341	%EXTCMD = ();
		3342	%EXTICMD = ();
2300		3343
2301	warn "unload/nuke all extensions";	3344	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3345	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3346	warn "... unloading $pkg";
2304		3347
2305	if (my $cb = $pkg->can ("unload")) {	3348	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3349	eval {
…		…
2311		3354
2312	warn "... nuking $pkg";	3355	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3356	Symbol::delete_package $pkg;
2314	}	3357	}
2315		3358
2316	warn "unload all perl modules loaded from $LIBDIR";	3359	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3360	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3361	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3362
2320	warn "removing <$k>";	3363	warn "... unloading $k";
2321	delete $INC{$k};	3364	delete $INC{$k};
2322		3365
2323	$k =~ s/\.pm$//;	3366	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3367	$k =~ s/\//::/g;
2325		3368
…		…
2328	}	3371	}
2329		3372
2330	Symbol::delete_package $k;	3373	Symbol::delete_package $k;
2331	}	3374	}
2332		3375
2333	warn "get rid of safe::, as good as possible";	3376	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3377	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3378	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3379
2337	warn "unload cf.pm \"a bit\"";	3380	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3381	delete $INC{"cf.pm"};
		3382	delete $INC{"cf/pod.pm"};
2339		3383
2340	# don't, removes xs symbols, too,	3384	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3385	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3386	#Symbol::delete_package __PACKAGE__;
2343		3387
		3388	warn "unload completed, starting to reload now";
		3389
2344	warn "reloading cf.pm";	3390	warn "reloading cf.pm";
2345	require cf;	3391	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3392	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3393
2348	warn "load config and database again";	3394	warn "loading config and database again";
2349	cf::cfg_load;	3395	cf::reload_config;
2350	cf::db_load;
2351		3396
2352	warn "load extensions";	3397	warn "loading extensions";
2353	cf::load_extensions;	3398	cf::load_extensions;
2354		3399
2355	warn "reattach attachments to objects/players";	3400	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3401	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3402	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3403	reattach $_ for values %MAP;
2359	};	3404	warn "reattaching attachments to players";
		3405	reattach $_ for values %PLAYER;
2360		3406
2361	if ($@) {	3407	warn "leaving sync_job";
		3408
		3409	1
		3410	} or do {
2362	warn $@;	3411	warn $@;
2363	warn "error while reloading, exiting.";	3412	warn "error while reloading, exiting.";
2364	exit 1;	3413	exit 1;
2365	}	3414	};
2366		3415
2367	warn "reloaded";	3416	warn "reloaded";
2368	};	3417	};
2369		3418
		3419	our $RELOAD_WATCHER; # used only during reload
		3420
		3421	sub reload_perl() {
		3422	# doing reload synchronously and two reloads happen back-to-back,
		3423	# coro crashes during coro_state_free->destroy here.
		3424
		3425	$RELOAD_WATCHER ||= Event->timer (
		3426	reentrant => 0,
		3427	after => 0,
		3428	data => WF_AUTOCANCEL,
		3429	cb => sub {
		3430	do_reload_perl;
		3431	undef $RELOAD_WATCHER;
		3432	},
		3433	);
		3434	}
		3435
2370	register_command "reload" => sub {	3436	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3437	my ($who, $arg) = @_;
2372		3438
2373	if ($who->flag (FLAG_WIZ)) {	3439	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3440	$who->message ("reloading server.");
		3441	async { reload_perl };
2377	}	3442	}
2378	};	3443	};
2379		3444
2380	unshift @INC, $LIBDIR;	3445	unshift @INC, $LIBDIR;
		3446
		3447	my $bug_warning = 0;
		3448
		3449	our @WAIT_FOR_TICK;
		3450	our @WAIT_FOR_TICK_BEGIN;
		3451
		3452	sub wait_for_tick {
		3453	return unless $TICK_WATCHER->is_active;
		3454	return if $Coro::current == $Coro::main;
		3455
		3456	my $signal = new Coro::Signal;
		3457	push @WAIT_FOR_TICK, $signal;
		3458	$signal->wait;
		3459	}
		3460
		3461	sub wait_for_tick_begin {
		3462	return unless $TICK_WATCHER->is_active;
		3463	return if $Coro::current == $Coro::main;
		3464
		3465	my $signal = new Coro::Signal;
		3466	push @WAIT_FOR_TICK_BEGIN, $signal;
		3467	$signal->wait;
		3468	}
2381		3469
2382	$TICK_WATCHER = Event->timer (	3470	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3471	reentrant => 0,
		3472	parked => 1,
2384	prio => 0,	3473	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3474	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3475	data => WF_AUTOCANCEL,
2387	cb => sub {	3476	cb => sub {
		3477	if ($Coro::current != $Coro::main) {
		3478	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3479	unless ++$bug_warning > 10;
		3480	return;
		3481	}
		3482
2388	$NOW = Event::time;	3483	$NOW = $tick_start = Event::time;
2389		3484
2390	cf::server_tick; # one server iteration	3485	cf::server_tick; # one server iteration
		3486
2391	$RUNTIME += $TICK;	3487	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3488	$NEXT_TICK += $TICK;
2393		3489
2394	$WAIT_FOR_TICK->broadcast;	3490	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3491	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3492	Coro::async_pool {
		3493	write_runtime
		3494	or warn "ERROR: unable to write runtime file: $!";
		3495	};
		3496	}
		3497
		3498	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3499	$sig->send;
		3500	}
		3501	while (my $sig = shift @WAIT_FOR_TICK) {
		3502	$sig->send;
		3503	}
		3504
		3505	$NOW = Event::time;
2396		3506
2397	# if we are delayed by four ticks or more, skip them all	3507	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3508	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3509
2400	$TICK_WATCHER->at ($NEXT_TICK);	3510	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3511	$TICK_WATCHER->start;
		3512
		3513	$LOAD = ($NOW - $tick_start) / $TICK;
		3514	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3515
		3516	_post_tick;
2402	},	3517	},
2403	);	3518	);
2404		3519
		3520	{
		3521	BDB::min_parallel 8;
2405	IO::AIO::max_poll_time $TICK * 0.2;	3522	BDB::max_poll_time $TICK * 0.1;
2406		3523	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3524	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3525	fd => BDB::poll_fileno,
2409	poll => 'r',	3526	poll => 'r',
2410	prio => 5,	3527	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3528	data => WF_AUTOCANCEL,
		3529	cb => \&BDB::poll_cb,
		3530	);
		3531
		3532	BDB::set_sync_prepare {
		3533	my $status;
		3534	my $current = $Coro::current;
		3535	(
		3536	sub {
		3537	$status = $!;
		3538	$current->ready; undef $current;
		3539	},
		3540	sub {
		3541	Coro::schedule while defined $current;
		3542	$! = $status;
		3543	},
		3544	)
		3545	};
		3546
		3547	unless ($DB_ENV) {
		3548	$DB_ENV = BDB::db_env_create;
		3549	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3550	| BDB::LOG_AUTOREMOVE, 1);
		3551	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3552	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3553
		3554	cf::sync_job {
		3555	eval {
		3556	BDB::db_env_open
		3557	$DB_ENV,
		3558	$BDBDIR,
		3559	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3560	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3561	0666;
		3562
		3563	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3564	};
		3565
		3566	cf::cleanup "db_env_open(db): $@" if $@;
		3567	};
		3568	}
		3569
		3570	$BDB_DEADLOCK_WATCHER = Event->timer (
2417	after => 0,	3571	after => 3,
2418	interval => 10,	3572	interval => 1,
		3573	hard => 1,
		3574	prio => 0,
		3575	data => WF_AUTOCANCEL,
2419	cb => sub {	3576	cb => sub {
2420	(Coro::unblock_sub {	3577	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2421	write_runtime	3578	},
2422	or warn "ERROR: unable to write runtime file: $!";	3579	);
		3580	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3581	after => 11,
		3582	interval => 60,
		3583	hard => 1,
		3584	prio => 0,
		3585	data => WF_AUTOCANCEL,
		3586	cb => sub {
		3587	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3588	},
		3589	);
		3590	$BDB_TRICKLE_WATCHER = Event->timer (
		3591	after => 5,
		3592	interval => 10,
		3593	hard => 1,
		3594	prio => 0,
		3595	data => WF_AUTOCANCEL,
		3596	cb => sub {
		3597	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3598	},
		3599	);
		3600	}
		3601
		3602	{
		3603	IO::AIO::min_parallel 8;
		3604
		3605	undef $Coro::AIO::WATCHER;
		3606	IO::AIO::max_poll_time $TICK * 0.1;
		3607	$AIO_POLL_WATCHER = Event->io (
		3608	reentrant => 0,
		3609	data => WF_AUTOCANCEL,
		3610	fd => IO::AIO::poll_fileno,
		3611	poll => 'r',
		3612	prio => 6,
		3613	cb => \&IO::AIO::poll_cb,
		3614	);
		3615	}
		3616
		3617	my $_log_backtrace;
		3618
		3619	sub _log_backtrace {
		3620	my ($msg, @addr) = @_;
		3621
		3622	$msg =~ s/\n//;
		3623
		3624	# limit the # of concurrent backtraces
		3625	if ($_log_backtrace < 2) {
		3626	++$_log_backtrace;
		3627	async {
		3628	my @bt = fork_call {
		3629	@addr = map { sprintf "%x", $_ } @addr;
		3630	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3631	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3632	or die "addr2line: $!";
		3633
		3634	my @funcs;
		3635	my @res = <$fh>;
		3636	chomp for @res;
		3637	while (@res) {
		3638	my ($func, $line) = splice @res, 0, 2, ();
		3639	push @funcs, "[$func] $line";
		3640	}
		3641
		3642	@funcs
		3643	};
		3644
		3645	LOG llevInfo, "[ABT] $msg\n";
		3646	LOG llevInfo, "[ABT] $_\n" for @bt;
		3647	--$_log_backtrace;
2423	})->();	3648	};
		3649	} else {
		3650	LOG llevInfo, "[ABT] $msg\n";
		3651	LOG llevInfo, "[ABT] [suppressed]\n";
2424	},	3652	}
2425	);	3653	}
		3654
		3655	# load additional modules
		3656	use cf::pod;
2426		3657
2427	END { cf::emergency_save }	3658	END { cf::emergency_save }
2428		3659
2429	1	3660	1
2430		3661

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