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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 1.373 by root, Sat Sep 15 15:58:06 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
…		…
729	sub object_freezer_save {	1028	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
731		1030
732	sync_job {	1031	sync_job {
733	if (length $$rdata) {	1032	if (length $$rdata) {
		1033	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1034	warn sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1035	$decname, length $$rdata, scalar @$objs;
736		1036
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1037	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1038	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1039	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1040	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1041	close $fh;
742		1042
743	if (@$objs) {	1043	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1044	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1045	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1046	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1047	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1048	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1049	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1050	aio_rename "$filename.pst~", "$filename.pst";
751	}	1051	}
752	} else {	1052	} else {
753	aio_unlink "$filename.pst";	1053	aio_unlink "$filename.pst";
…		…
759	}	1059	}
760	} else {	1060	} else {
761	aio_unlink $filename;	1061	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1062	aio_unlink "$filename.pst";
763	}	1063	}
764	}	1064	};
765	}	1065	}
766		1066
767	sub object_freezer_as_string {	1067	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1068	my ($rdata, $objs) = @_;
769		1069
…		…
781	or return;	1081	or return;
782		1082
783	unless (aio_stat "$filename.pst") {	1083	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1084	(aio_load "$filename.pst", $av) >= 0
785	or return;	1085	or return;
		1086
786	$av = eval { (Storable::thaw $av)->{objs} };	1087	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1088	}
788		1089
		1090	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1091	warn sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1092	$decname, length $data, scalar @{$av || []};
		1093
791	return ($data, $av);	1094	($data, $av)
792	}	1095	}
		1096
		1097	=head2 COMMAND CALLBACKS
		1098
		1099	=over 4
		1100
		1101	=cut
793		1102
794	#############################################################################	1103	#############################################################################
795	# command handling &c	1104	# command handling &c
796		1105
797	=item cf::register_command $name => \&callback($ob,$args);	1106	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1119	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1120	}
812		1121
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1122	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1123
815	Register a callbackf ro execution when the client sends an extcmd packet.	1124	Register a callback for execution when the client sends an (synchronous)
		1125	extcmd packet. Ext commands will be processed in the order they are
		1126	received by the server, like other user commands. The first argument is
		1127	the logged-in player. Ext commands can only be processed after a player
		1128	has logged in successfully.
816		1129
817	If the callback returns something, it is sent back as if reply was being	1130	If the callback returns something, it is sent back as if reply was being
818	called.	1131	called.
819		1132
		1133	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1134
		1135	Register a callback for execution when the client sends an (asynchronous)
		1136	exticmd packet. Exti commands are processed by the server as soon as they
		1137	are received, i.e. out of order w.r.t. other commands. The first argument
		1138	is a client socket. Exti commands can be received anytime, even before
		1139	log-in.
		1140
		1141	If the callback returns something, it is sent back as if reply was being
		1142	called.
		1143
820	=cut	1144	=cut
821		1145
822	sub register_extcmd {	1146	sub register_extcmd {
823	my ($name, $cb) = @_;	1147	my ($name, $cb) = @_;
824		1148
825	$EXTCMD{$name} = $cb;	1149	$EXTCMD{$name} = $cb;
		1150	}
		1151
		1152	sub register_exticmd {
		1153	my ($name, $cb) = @_;
		1154
		1155	$EXTICMD{$name} = $cb;
826	}	1156	}
827		1157
828	cf::player->attach (	1158	cf::player->attach (
829	on_command => sub {	1159	on_command => sub {
830	my ($pl, $name, $params) = @_;	1160	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1169	cf::override;
840	},	1170	},
841	on_extcmd => sub {	1171	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1172	my ($pl, $buf) = @_;
843		1173
844	my $msg = eval { from_json $buf };	1174	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1175
846	if (ref $msg) {	1176	if (ref $msg) {
		1177	my ($type, $reply, @payload) =
		1178	"ARRAY" eq ref $msg
		1179	? @$msg
		1180	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1181
		1182	my @reply;
		1183
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1184	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1185	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1186	}
		1187
		1188	$pl->ext_reply ($reply, @reply)
		1189	if $reply;
		1190
852	} else {	1191	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1192	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1193	}
855		1194
856	cf::override;	1195	cf::override;
857	},	1196	},
858	);	1197	);
859		1198
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 {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
895	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1204	next unless -r $path;
897	eval {	1205
898	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
899	1	1263	}
900	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
901	}	1269	};
902	}	1270	}
903		1271
904	#############################################################################	1272	#############################################################################
905		1273
		1274	=back
		1275
906	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
907		1277
908	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
909		1279
910	=cut	1280	=cut
…		…
915		1285
916	=head3 cf::player	1286	=head3 cf::player
917		1287
918	=over 4	1288	=over 4
919		1289
		1290	=item cf::player::num_playing
		1291
		1292	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1293
		1294	=cut
		1295
		1296	sub num_playing {
		1297	scalar grep
		1298	$_->ob->map
		1299	&& !$_->hidden
		1300	&& !$_->ob->flag (cf::FLAG_WIZ),
		1301	cf::player::list
		1302	}
		1303
920	=item cf::player::find $login	1304	=item cf::player::find $login
921		1305
922	Returns the given player object, loading it if necessary (might block).	1306	Returns the given player object, loading it if necessary (might block).
923		1307
924	=cut	1308	=cut
925		1309
926	sub playerdir($) {	1310	sub playerdir($) {
927	cf::localdir	1311	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1312	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1313	}
933		1314
934	sub path($) {	1315	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1316	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1317
937	(playerdir $login) . "/$login.pl"	1318	(playerdir $login) . "/playerdata"
938	}	1319	}
939		1320
940	sub find_active($) {	1321	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1322	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1323	and $cf::PLAYER{$_[0]}->active
…		…
945		1326
946	sub exists($) {	1327	sub exists($) {
947	my ($login) = @_;	1328	my ($login) = @_;
948		1329
949	$cf::PLAYER{$login}	1330	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1331	or cf::sync_job { !aio_stat path $login }
951	}	1332	}
952		1333
953	sub find($) {	1334	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1335	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1336	my $login = $_[0];
956		1337
957	my $guard = cf::lock_acquire "user_find:$login";	1338	my $guard = cf::lock_acquire "user_find:$login";
958		1339
959	$cf::PLAYER{$_[0]} || do {	1340	$cf::PLAYER{$_[0]} || do {
960	my $pl = load_pl path $login	1341	# rename old playerfiles to new ones
		1342	#TODO: remove when no longer required
		1343	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1344	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1345	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1346	aio_unlink +(playerdir $login) . "/$login.pl";
		1347
		1348	my $f = new_from_file cf::object::thawer path $login
961	or return;	1349	or return;
		1350
		1351	my $pl = cf::player::load_pl $f
		1352	or return;
		1353	local $cf::PLAYER_LOADING{$login} = $pl;
		1354	$f->resolve_delayed_derefs;
962	$cf::PLAYER{$login} = $pl	1355	$cf::PLAYER{$login} = $pl
963	}	1356	}
964	}	1357	}
965	}	1358	}
966		1359
…		…
976		1369
977	aio_mkdir playerdir $pl, 0770;	1370	aio_mkdir playerdir $pl, 0770;
978	$pl->{last_save} = $cf::RUNTIME;	1371	$pl->{last_save} = $cf::RUNTIME;
979		1372
980	$pl->save_pl ($path);	1373	$pl->save_pl ($path);
981	Coro::cede;	1374	cf::cede_to_tick;
982	}	1375	}
983		1376
984	sub new($) {	1377	sub new($) {
985	my ($login) = @_;	1378	my ($login) = @_;
986		1379
…		…
992	$cf::PLAYER{$login} = $self;	1385	$cf::PLAYER{$login} = $self;
993		1386
994	$self	1387	$self
995	}	1388	}
996		1389
		1390	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1391
		1392	=cut
		1393
		1394	sub send_msg {
		1395	my $ns = shift->ns
		1396	or return;
		1397	$ns->send_msg (@_);
		1398	}
		1399
997	=item $pl->quit_character	1400	=item $pl->quit_character
998		1401
999	Nukes the player without looking back. If logged in, the connection will	1402	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1403	be destroyed. May block for a long time.
1001		1404
1002	=cut	1405	=cut
1003		1406
1004	sub quit_character {	1407	sub quit_character {
1005	my ($pl) = @_;	1408	my ($pl) = @_;
		1409
		1410	my $name = $pl->ob->name;
1006		1411
1007	$pl->{deny_save} = 1;	1412	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1413	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1414
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1415	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1420	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1421	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1422	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1423	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1424	$pl->destroy;
		1425
		1426	my $prefix = qr<^~\Q$name\E/>;
		1427
		1428	# nuke player maps
		1429	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1430
1020	IO::AIO::aio_rmtree $temp;	1431	IO::AIO::aio_rmtree $temp;
		1432	}
		1433
		1434	=item $pl->kick
		1435
		1436	Kicks a player out of the game. This destroys the connection.
		1437
		1438	=cut
		1439
		1440	sub kick {
		1441	my ($pl, $kicker) = @_;
		1442
		1443	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1444	$pl->killer ("kicked");
		1445	$pl->ns->destroy;
1021	}	1446	}
1022		1447
1023	=item cf::player::list_logins	1448	=item cf::player::list_logins
1024		1449
1025	Returns am arrayref of all valid playernames in the system, can take a	1450	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1451	while and may block, so not sync_job-capable, ever.
1027		1452
1028	=cut	1453	=cut
1029		1454
1030	sub list_logins {	1455	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1456	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1457	or return [];
1033		1458
1034	my @logins;	1459	my @logins;
1035		1460
1036	for my $login (@$dirs) {	1461	for my $login (@$dirs) {
		1462	my $path = path $login;
		1463
		1464	# a .pst is a dead give-away for a valid player
		1465	unless (-e "$path.pst") {
1037	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1466	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1038	aio_read $fh, 0, 512, my $buf, 0 or next;	1467	aio_read $fh, 0, 512, my $buf, 0 or next;
1039	$buf !~ /^password -------------$/m or next; # official not-valid tag	1468	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1469	}
1040		1470
1041	utf8::decode $login;	1471	utf8::decode $login;
1042	push @logins, $login;	1472	push @logins, $login;
1043	}	1473	}
1044		1474
…		…
1052		1482
1053	=cut	1483	=cut
1054		1484
1055	sub maps($) {	1485	sub maps($) {
1056	my ($pl) = @_;	1486	my ($pl) = @_;
		1487
		1488	$pl = ref $pl ? $pl->ob->name : $pl;
1057		1489
1058	my $files = aio_readdir playerdir $pl	1490	my $files = aio_readdir playerdir $pl
1059	or return;	1491	or return;
1060		1492
1061	my @paths;	1493	my @paths;
…		…
1063	for (@$files) {	1495	for (@$files) {
1064	utf8::decode $_;	1496	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1497	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1498	next unless /^$PATH_SEP/o;
1067		1499
1068	s/\.map$//;	1500	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1501	}
1071		1502
1072	\@paths	1503	\@paths
1073	}	1504	}
1074		1505
		1506	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1507
		1508	Expand crossfire pod fragments into protocol xml.
		1509
		1510	=cut
		1511
		1512	sub expand_cfpod {
		1513	((my $self), (local $_)) = @_;
		1514
		1515	# escape & and <
		1516	s/&/&amp;/g;
		1517	s/(?<![BIUGHT])</&lt;/g;
		1518
		1519	# this is buggy, it needs to properly take care of nested <'s
		1520
		1521	1 while
		1522	# replace B<>, I<>, U<> etc.
		1523	s/B<([^\>]*)>/<b>$1<\/b>/
		1524	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1525	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1526	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1527	# replace G<male|female> tags
		1528	|| s{G<([^>|]*)\|([^>]*)>}{
		1529	$self->gender ? $2 : $1
		1530	}ge
		1531	# replace H<hint text>
		1532	|| s{H<([^\>]*)>}
		1533	{
		1534	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1535	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1536	"")
		1537	[$self->{hintmode}]
		1538	}ge;
		1539
		1540	# create single paragraphs (very hackish)
		1541	s/(?<=\S)\n(?=\w)/ /g;
		1542
		1543	# compress some whitespace
		1544	s/\s+\n/\n/g; # ws line-ends
		1545	s/\n\n+/\n/g; # double lines
		1546	s/^\n+//; # beginning lines
		1547	s/\n+$//; # ending lines
		1548
		1549	$_
		1550	}
		1551
		1552	sub hintmode {
		1553	$_[0]{hintmode} = $_[1] if @_ > 1;
		1554	$_[0]{hintmode}
		1555	}
		1556
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1557	=item $player->ext_reply ($msgid, @msg)
1076		1558
1077	Sends an ext reply to the player.	1559	Sends an ext reply to the player.
1078		1560
1079	=cut	1561	=cut
1080		1562
1081	sub ext_reply($$$%) {	1563	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1564	my ($self, $id, @msg) = @_;
1083		1565
1084	$msg{msgid} = $id;	1566	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1567	}
1088		1568
1089	package cf;	1569	=item $player->ext_msg ($type, @msg)
		1570
		1571	Sends an ext event to the client.
		1572
		1573	=cut
		1574
		1575	sub ext_msg($$@) {
		1576	my ($self, $type, @msg) = @_;
		1577
		1578	$self->ns->ext_msg ($type, @msg);
		1579	}
		1580
		1581	=head3 cf::region
		1582
		1583	=over 4
		1584
		1585	=cut
		1586
		1587	package cf::region;
		1588
		1589	=item cf::region::find_by_path $path
		1590
		1591	Tries to decuce the likely region for a map knowing only its path.
		1592
		1593	=cut
		1594
		1595	sub find_by_path($) {
		1596	my ($path) = @_;
		1597
		1598	my ($match, $specificity);
		1599
		1600	for my $region (list) {
		1601	if ($region->{match} && $path =~ $region->{match}) {
		1602	($match, $specificity) = ($region, $region->specificity)
		1603	if $region->specificity > $specificity;
		1604	}
		1605	}
		1606
		1607	$match
		1608	}
1090		1609
1091	=back	1610	=back
1092
1093		1611
1094	=head3 cf::map	1612	=head3 cf::map
1095		1613
1096	=over 4	1614	=over 4
1097		1615
…		…
1101		1619
1102	use Fcntl;	1620	use Fcntl;
1103	use Coro::AIO;	1621	use Coro::AIO;
1104		1622
1105	use overload	1623	use overload
1106	'""' => \&as_string;	1624	'""' => \&as_string,
		1625	fallback => 1;
1107		1626
1108	our $MAX_RESET = 3600;	1627	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1628	our $DEFAULT_RESET = 3000;
1110		1629
1111	sub generate_random_map {	1630	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1631	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1632	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1633	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1634	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1635	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1636	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1643	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1644	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1645	)
1128	}	1646	}
1129		1647
		1648	=item cf::map->register ($regex, $prio)
		1649
		1650	Register a handler for the map path matching the given regex at the
		1651	givne priority (higher is better, built-in handlers have priority 0, the
		1652	default).
		1653
		1654	=cut
		1655
1130	sub register {	1656	sub register {
1131	my (undef, $regex) = @_;	1657	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1658	my $pkg = caller;
1133		1659
1134	no strict;	1660	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1661	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1662
1137	$EXT_MAP{$pkg} = qr<$regex>;	1663	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1664	}
1139		1665
1140	# also paths starting with '/'	1666	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1667	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1668
		1669	sub thawer_merge {
		1670	my ($self, $merge) = @_;
		1671
		1672	# we have to keep some variables in memory intact
		1673	local $self->{path};
		1674	local $self->{load_path};
		1675
		1676	$self->SUPER::thawer_merge ($merge);
		1677	}
1142		1678
1143	sub normalise {	1679	sub normalise {
1144	my ($path, $base) = @_;	1680	my ($path, $base) = @_;
		1681
		1682	$path = "$path"; # make sure its a string
		1683
		1684	$path =~ s/\.map$//;
1145		1685
1146	# map plan:	1686	# map plan:
1147	#	1687	#
1148	# /! non-realised random map exit (special hack!)	1688	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1689	# {... are special paths that are not being touched
…		…
1177		1717
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1718	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1719
1180	$path = normalise $path, $base;	1720	$path = normalise $path, $base;
1181		1721
1182	for my $pkg (keys %EXT_MAP) {	1722	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1723	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1724	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1725	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1726	$self->init; # pass $1 etc.
1187	return $self;	1727	return $self;
1188	}	1728	}
1189	}	1729	}
1190		1730
1191	Carp::carp "unable to resolve path '$path'.";	1731	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1732	()
1193	}	1733	}
1194		1734
1195	sub init {	1735	sub init {
1196	my ($self) = @_;	1736	my ($self) = @_;
…		…
1211		1751
1212	# the original (read-only) location	1752	# the original (read-only) location
1213	sub load_path {	1753	sub load_path {
1214	my ($self) = @_;	1754	my ($self) = @_;
1215		1755
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1756	"$MAPDIR/$self->{path}.map"
1217	}	1757	}
1218		1758
1219	# the temporary/swap location	1759	# the temporary/swap location
1220	sub save_path {	1760	sub save_path {
1221	my ($self) = @_;	1761	my ($self) = @_;
1222		1762
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1763	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1764	"$TMPDIR/$path.map"
1225	}	1765	}
1226		1766
1227	# the unique path, undef == no special unique path	1767	# the unique path, undef == no special unique path
1228	sub uniq_path {	1768	sub uniq_path {
1229	my ($self) = @_;	1769	my ($self) = @_;
1230		1770
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1771	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1772	"$UNIQUEDIR/$path"
1233	}	1773	}
1234		1774
1235	# and all this just because we cannot iterate over	1775	# and all this just because we cannot iterate over
1236	# all maps in C++...	1776	# all maps in C++...
1237	sub change_all_map_light {	1777	sub change_all_map_light {
…		…
1239		1779
1240	$_->change_map_light ($change)	1780	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1781	for grep $_->outdoor, values %cf::MAP;
1242	}	1782	}
1243		1783
		1784	sub decay_objects {
		1785	my ($self) = @_;
		1786
		1787	return if $self->{deny_reset};
		1788
		1789	$self->do_decay_objects;
		1790	}
		1791
1244	sub unlink_save {	1792	sub unlink_save {
1245	my ($self) = @_;	1793	my ($self) = @_;
1246		1794
1247	utf8::encode (my $save = $self->save_path);	1795	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1796	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1797	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1798	}
1251		1799
1252	sub load_header_from($) {	1800	sub load_header_from($) {
1253	my ($self, $path) = @_;	1801	my ($self, $path) = @_;
1254		1802
1255	utf8::encode $path;	1803	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1804	my $f = new_from_file cf::object::thawer $path
1257	or return;	1805	or return;
1258		1806
1259	$self->_load_header ($path)	1807	$self->_load_header ($f)
1260	or return;	1808	or return;
1261		1809
		1810	local $MAP_LOADING{$self->{path}} = $self;
		1811	$f->resolve_delayed_derefs;
		1812
1262	$self->{load_path} = $path;	1813	$self->{load_path} = $path;
1263		1814
1264	1	1815	1
1265	}	1816	}
1266		1817
1267	sub load_orig {	1818	sub load_header_orig {
1268	my ($self) = @_;	1819	my ($self) = @_;
1269		1820
1270	$self->load_header_from ($self->load_path)	1821	$self->load_header_from ($self->load_path)
1271	}	1822	}
1272		1823
1273	sub load_temp {	1824	sub load_header_temp {
1274	my ($self) = @_;	1825	my ($self) = @_;
1275		1826
1276	$self->load_header_from ($self->save_path)	1827	$self->load_header_from ($self->save_path)
		1828	}
		1829
		1830	sub prepare_temp {
		1831	my ($self) = @_;
		1832
		1833	$self->last_access ((delete $self->{last_access})
		1834	|| $cf::RUNTIME); #d#
		1835	# safety
		1836	$self->{instantiate_time} = $cf::RUNTIME
		1837	if $self->{instantiate_time} > $cf::RUNTIME;
		1838	}
		1839
		1840	sub prepare_orig {
		1841	my ($self) = @_;
		1842
		1843	$self->{load_original} = 1;
		1844	$self->{instantiate_time} = $cf::RUNTIME;
		1845	$self->last_access ($cf::RUNTIME);
		1846	$self->instantiate;
1277	}	1847	}
1278		1848
1279	sub load_header {	1849	sub load_header {
1280	my ($self) = @_;	1850	my ($self) = @_;
1281		1851
1282	if ($self->load_temp) {	1852	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1853	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1854	} else {
1289	$self->load_orig	1855	$self->load_header_orig
1290	or return;	1856	or return;
1291		1857	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1858	}
		1859
		1860	$self->{deny_reset} = 1
		1861	if $self->no_reset;
		1862
		1863	$self->default_region (cf::region::find_by_path $self->{path})
		1864	unless $self->default_region;
1297		1865
1298	1	1866	1
1299	}	1867	}
1300		1868
1301	sub find;	1869	sub find;
1302	sub find {	1870	sub find {
1303	my ($path, $origin) = @_;	1871	my ($path, $origin) = @_;
1304		1872
1305	$path = normalise $path, $origin && $origin->path;	1873	$path = normalise $path, $origin && $origin->path;
1306		1874
		1875	cf::lock_wait "map_data:$path";#d#remove
1307	cf::lock_wait "map_find:$path";	1876	cf::lock_wait "map_find:$path";
1308		1877
1309	$cf::MAP{$path} || do {	1878	$cf::MAP{$path} || do {
1310	my $guard = cf::lock_acquire "map_find:$path";	1879	my $guard1 = cf::lock_acquire "map_find:$path";
		1880	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1881
1311	my $map = new_from_path cf::map $path	1882	my $map = new_from_path cf::map $path
1312	or return;	1883	or return;
1313		1884
1314	$map->{last_save} = $cf::RUNTIME;	1885	$map->{last_save} = $cf::RUNTIME;
1315		1886
1316	$map->load_header	1887	$map->load_header
1317	or return;	1888	or return;
1318		1889
1319	if ($map->should_reset) {	1890	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1891	# doing this can freeze the server in a sync job, obviously
		1892	#$cf::WAIT_FOR_TICK->wait;
		1893	undef $guard1;
		1894	undef $guard2;
1320	$map->reset;	1895	$map->reset;
1321	undef $guard;
1322	$map = find $path	1896	return find $path;
1323	or return;
1324	}	1897	}
1325		1898
1326	$cf::MAP{$path} = $map	1899	$cf::MAP{$path} = $map
1327	}	1900	}
1328	}	1901	}
		1902
		1903	sub pre_load { }
		1904	sub post_load { }
1329		1905
1330	sub load {	1906	sub load {
1331	my ($self) = @_;	1907	my ($self) = @_;
1332		1908
		1909	local $self->{deny_reset} = 1; # loading can take a long time
		1910
1333	my $path = $self->{path};	1911	my $path = $self->{path};
		1912
		1913	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1914	my $guard = cf::lock_acquire "map_data:$path";
1335		1915
		1916	return unless $self->valid;
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1917	return unless $self->in_memory == cf::MAP_SWAPPED;
1337		1918
1338	$self->in_memory (cf::MAP_LOADING);	1919	$self->in_memory (cf::MAP_LOADING);
1339		1920
1340	$self->alloc;	1921	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)	1922
		1923	$self->pre_load;
		1924	cf::cede_to_tick;
		1925
		1926	my $f = new_from_file cf::object::thawer $self->{load_path};
		1927	$f->skip_block;
		1928	$self->_load_objects ($f)
1342	or return;	1929	or return;
1343		1930
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1931	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1345	if delete $self->{load_original};	1932	if delete $self->{load_original};
1346		1933
1347	if (my $uniq = $self->uniq_path) {	1934	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;	1935	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {	1936	unless (aio_stat $uniq) {
		1937	if (my $f = new_from_file cf::object::thawer $uniq) {
1350	$self->clear_unique_items;	1938	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);	1939	$self->_load_objects ($f);
		1940	$f->resolve_delayed_derefs;
		1941	}
1352	}	1942	}
1353	}	1943	}
1354		1944
1355	Coro::cede;	1945	$f->resolve_delayed_derefs;
1356		1946
		1947	cf::cede_to_tick;
1357	# now do the right thing for maps	1948	# now do the right thing for maps
1358	$self->link_multipart_objects;	1949	$self->link_multipart_objects;
1359
1360	unless ($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)	1950	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1951	unless $self->difficulty;
1368	Coro::cede;	1952	cf::cede_to_tick;
		1953
		1954	unless ($self->{deny_activate}) {
		1955	$self->decay_objects;
		1956	$self->fix_auto_apply;
		1957	$self->update_buttons;
		1958	cf::cede_to_tick;
		1959	$self->set_darkness_map;
		1960	cf::cede_to_tick;
1369	$self->activate;	1961	$self->activate;
1370	}	1962	}
1371		1963
		1964	$self->{last_save} = $cf::RUNTIME;
		1965	$self->last_access ($cf::RUNTIME);
		1966
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1967	$self->in_memory (cf::MAP_IN_MEMORY);
		1968	}
		1969
		1970	$self->post_load;
1373	}	1971	}
1374		1972
1375	sub customise_for {	1973	sub customise_for {
1376	my ($self, $ob) = @_;	1974	my ($self, $ob) = @_;
1377		1975
1378	return find "~" . $ob->name . "/" . $self->{path}	1976	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1977	if $self->per_player;
1380		1978
		1979	# return find "?party/" . $ob->name . "/" . $self->{path}
		1980	# if $self->per_party;
		1981
1381	$self	1982	$self
1382	}	1983	}
1383		1984
1384	# find and load all maps in the 3x3 area around a map	1985	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1986	sub load_neighbours {
1386	my ($map) = @_;	1987	my ($map) = @_;
1387		1988
1388	my @diag; # diagonal neighbours	1989	my @neigh; # diagonal neighbours
1389		1990
1390	for (0 .. 3) {	1991	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1992	my $neigh = $map->tile_path ($_)
1392	or next;	1993	or next;
1393	$neigh = find $neigh, $map	1994	$neigh = find $neigh, $map
1394	or next;	1995	or next;
1395	$neigh->load;	1996	$neigh->load;
1396		1997
		1998	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1999	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2000	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	2001	}
1400		2002
1401	for (@diag) {	2003	for (grep defined $_->[0], @neigh) {
		2004	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	2005	my $neigh = find $path, $origin
1403	or next;	2006	or next;
1404	$neigh->load;	2007	$neigh->load;
1405	}	2008	}
1406	}	2009	}
1407		2010
…		…
1412	}	2015	}
1413		2016
1414	sub do_load_sync {	2017	sub do_load_sync {
1415	my ($map) = @_;	2018	my ($map) = @_;
1416		2019
		2020	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2021	if $Coro::current == $Coro::main;
		2022
1417	cf::sync_job { $map->load };	2023	cf::sync_job { $map->load };
1418	}	2024	}
1419		2025
1420	our %MAP_PREFETCH;	2026	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	2027	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		2028
1434	sub find_async {	2029	sub find_async {
1435	my ($path, $origin) = @_;	2030	my ($path, $origin, $load) = @_;
1436		2031
1437	$path = normalise $path, $origin && $origin->{path};	2032	$path = normalise $path, $origin && $origin->{path};
1438		2033
1439	if (my $map = $cf::MAP{$path}) {	2034	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2035	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2036	}
		2037
		2038	$MAP_PREFETCH{$path} |= $load;
		2039
		2040	$MAP_PREFETCHER ||= cf::async {
		2041	while (%MAP_PREFETCH) {
		2042	while (my ($k, $v) = each %MAP_PREFETCH) {
		2043	if (my $map = find $k) {
		2044	$map->load if $v;
		2045	}
		2046
		2047	delete $MAP_PREFETCH{$k};
		2048	}
		2049	}
		2050	undef $MAP_PREFETCHER;
1441	}	2051	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	2052	$MAP_PREFETCHER->prio (6);
1445		2053
1446	()	2054	()
1447	}	2055	}
1448		2056
1449	sub save {	2057	sub save {
1450	my ($self) = @_;	2058	my ($self) = @_;
1451		2059
1452	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1453		2061
1454	$self->{last_save} = $cf::RUNTIME;	2062	$self->{last_save} = $cf::RUNTIME;
1455		2063
1456	return unless $self->dirty;	2064	return unless $self->dirty;
1457		2065
…		…
1480	my ($self) = @_;	2088	my ($self) = @_;
1481		2089
1482	# save first because save cedes	2090	# save first because save cedes
1483	$self->save;	2091	$self->save;
1484		2092
1485	my $lock = cf::lock_acquire "map_data:" . $self->path;	2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
1486		2094
1487	return if $self->players;	2095	return if $self->players;
1488	return if $self->in_memory != cf::MAP_IN_MEMORY;	2096	return if $self->in_memory != cf::MAP_IN_MEMORY;
1489	return if $self->{deny_save};	2097	return if $self->{deny_save};
1490		2098
		2099	$self->in_memory (cf::MAP_SWAPPED);
		2100
		2101	$self->deactivate;
		2102	$_->clear_links_to ($self) for values %cf::MAP;
1491	$self->clear;	2103	$self->clear;
1492	$self->in_memory (cf::MAP_SWAPPED);
1493	}	2104	}
1494		2105
1495	sub reset_at {	2106	sub reset_at {
1496	my ($self) = @_;	2107	my ($self) = @_;
1497		2108
1498	# TODO: safety, remove and allow resettable per-player maps	2109	# 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};	2110	return 1e99 if $self->{deny_reset};
1501		2111
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2112	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2113	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2114
…		…
1509	my ($self) = @_;	2119	my ($self) = @_;
1510		2120
1511	$self->reset_at <= $cf::RUNTIME	2121	$self->reset_at <= $cf::RUNTIME
1512	}	2122	}
1513		2123
1514	sub rename {
1515	my ($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	$self->save;
1526	}
1527
1528	sub reset {	2124	sub reset {
1529	my ($self) = @_;	2125	my ($self) = @_;
1530		2126
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2127	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2128
1533	return if $self->players;	2129	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2130
1536	warn "resetting map ", $self->path;#d#	2131	warn "resetting map ", $self->path;
		2132
		2133	$self->in_memory (cf::MAP_SWAPPED);
		2134
		2135	# need to save uniques path
		2136	unless ($self->{deny_save}) {
		2137	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2138
		2139	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2140	if $uniq;
		2141	}
1537		2142
1538	delete $cf::MAP{$self->path};	2143	delete $cf::MAP{$self->path};
1539		2144
1540	$self->in_memory (cf::MAP_SWAPPED);	2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1541	$self->clear;	2147	$self->clear;
1542
1543	$_->clear_links_to ($self) for values %cf::MAP;
1544		2148
1545	$self->unlink_save;	2149	$self->unlink_save;
1546	$self->destroy;	2150	$self->destroy;
1547	}	2151	}
1548		2152
1549	my $nuke_counter = "aaaa";	2153	my $nuke_counter = "aaaa";
1550		2154
1551	sub nuke {	2155	sub nuke {
1552	my ($self) = @_;	2156	my ($self) = @_;
1553		2157
		2158	{
		2159	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2160
		2161	delete $cf::MAP{$self->path};
		2162
		2163	$self->unlink_save;
		2164
		2165	bless $self, "cf::map";
		2166	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2167	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2168	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2169	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2170
		2171	$cf::MAP{$self->path} = $self;
		2172	}
		2173
1557	$self->reset; # polite request, might not happen	2174	$self->reset; # polite request, might not happen
		2175	}
		2176
		2177	=item $maps = cf::map::tmp_maps
		2178
		2179	Returns an arrayref with all map paths of currently instantiated and saved
		2180	maps. May block.
		2181
		2182	=cut
		2183
		2184	sub tmp_maps() {
		2185	[
		2186	map {
		2187	utf8::decode $_;
		2188	/\.map$/
		2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $TMPDIR or [] }
		2192	]
		2193	}
		2194
		2195	=item $maps = cf::map::random_maps
		2196
		2197	Returns an arrayref with all map paths of currently instantiated and saved
		2198	random maps. May block.
		2199
		2200	=cut
		2201
		2202	sub random_maps() {
		2203	[
		2204	map {
		2205	utf8::decode $_;
		2206	/\.map$/
		2207	? normalise "?random/$_"
		2208	: ()
		2209	} @{ aio_readdir $RANDOMDIR or [] }
		2210	]
1558	}	2211	}
1559		2212
1560	=item cf::map::unique_maps	2213	=item cf::map::unique_maps
1561		2214
1562	Returns an arrayref of paths of all shared maps that have	2215	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2216	instantiated unique items. May block.
1564		2217
1565	=cut	2218	=cut
1566		2219
1567	sub unique_maps() {	2220	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2221	[
1569	or return;	2222	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2223	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2224	/\.map$/
1579	push @paths, $_;	2225	? normalise $_
		2226	: ()
		2227	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2228	]
1581
1582	\@paths
1583	}	2229	}
1584		2230
1585	package cf;	2231	package cf;
1586		2232
1587	=back	2233	=back
…		…
1605	map { $_, inv_recursive_ $_->inv } @_	2251	map { $_, inv_recursive_ $_->inv } @_
1606	}	2252	}
1607		2253
1608	sub inv_recursive {	2254	sub inv_recursive {
1609	inv_recursive_ inv $_[0]	2255	inv_recursive_ inv $_[0]
		2256	}
		2257
		2258	=item $ref = $ob->ref
		2259
		2260	creates and returns a persistent reference to an objetc that can be stored as a string.
		2261
		2262	=item $ob = cf::object::deref ($refstring)
		2263
		2264	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2265	even if the object actually exists. May block.
		2266
		2267	=cut
		2268
		2269	sub deref {
		2270	my ($ref) = @_;
		2271
		2272	# temporary compatibility#TODO#remove
		2273	$ref =~ s{^<}{player/<};
		2274
		2275	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2276	my ($uuid, $name) = ($1, $2);
		2277	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2278	or return;
		2279	$pl->ob->uuid eq $uuid
		2280	or return;
		2281
		2282	$pl->ob
		2283	} else {
		2284	warn "$ref: cannot resolve object reference\n";
		2285	undef
		2286	}
1610	}	2287	}
1611		2288
1612	package cf;	2289	package cf;
1613		2290
1614	=back	2291	=back
…		…
1633		2310
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2311	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2312
1636	if ($self->{record_replies}) {	2313	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2314	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2315
1638	} else {	2316	} else {
		2317	my $pl = $self->contr;
		2318
		2319	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2320	my $dialog = $pl->{npc_dialog};
		2321	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2322
		2323	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2324	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2325	$self->message ($msg, $flags);
		2326	}
1641	}	2327	}
		2328	}
		2329
		2330	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2331
		2332	=cut
		2333
		2334	sub cf::object::send_msg {
		2335	my $pl = shift->contr
		2336	or return;
		2337	$pl->send_msg (@_);
1642	}	2338	}
1643		2339
1644	=item $player_object->may ("access")	2340	=item $player_object->may ("access")
1645		2341
1646	Returns wether the given player is authorized to access resource "access"	2342	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2374	=cut
1679		2375
1680	sub link_map {	2376	sub link_map {
1681	unless ($LINK_MAP) {	2377	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2378	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2379	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2380	$LINK_MAP->load;
1685	}	2381	}
1686		2382
1687	$LINK_MAP	2383	$LINK_MAP
1688	}	2384	}
…		…
1693	$self->deactivate_recursive;	2389	$self->deactivate_recursive;
1694		2390
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2391	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2392
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2393	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2394	if $self->map && $self->map->{path} ne "{link}";
1699		2395
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2396	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2397	}
1702		2398
1703	sub cf::object::player::leave_link {	2399	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2400	my ($self, $map, $x, $y) = @_;
		2401
		2402	return unless $self->contr->active;
1705		2403
1706	my $link_pos = delete $self->{_link_pos};	2404	my $link_pos = delete $self->{_link_pos};
1707		2405
1708	unless ($map) {	2406	unless ($map) {
1709	# restore original map position	2407	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2421	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2422	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2423	if $x <=0 && $y <= 0;
1726		2424
1727	$map->load;	2425	$map->load;
1728	$map->load_diag;	2426	$map->load_neighbours;
1729		2427
1730	return unless $self->contr->active;	2428	return unless $self->contr->active;
1731	$self->activate_recursive;	2429	$self->activate_recursive;
		2430
		2431	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2432	$self->enter_map ($map, $x, $y);
1733	}	2433	}
1734		2434
1735	cf::player->attach (	2435	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2436
1739	# abort map switching before logout	2437	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2438	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2439	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2440	the new (success) or old (failed) map position. In either case, $done will
1743	};	2441	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2442
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	2443	=cut
		2444
		2445	our $GOTOGEN;
1770		2446
1771	sub cf::object::player::goto {	2447	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2448	my ($self, $path, $x, $y, $check, $done) = @_;
		2449
		2450	# do generation counting so two concurrent goto's will be executed in-order
		2451	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2452
1774	$self->enter_link;	2453	$self->enter_link;
1775		2454
1776	(async {	2455	(async {
1777	my $map = cf::map::find $path;	2456	# *tag paths override both path and x|y
		2457	if ($path =~ /^\*(.*)$/) {
		2458	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2459	my $ob = $obs[rand @obs];
		2460
		2461	# see if we actually can go there
		2462	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2463	$ob = $obs[rand @obs];
		2464	} else {
		2465	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2466	}
		2467	# else put us there anyways for now #d#
		2468
		2469	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2470	} else {
		2471	($path, $x, $y) = (undef, undef, undef);
		2472	}
		2473	}
		2474
		2475	my $map = eval {
		2476	my $map = defined $path ? cf::map::find $path : undef;
		2477
		2478	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2479	$map = $map->customise_for ($self);
1779		2480	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2481	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2482	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2483	}
1784		2484
		2485	$map
		2486	};
		2487
		2488	if ($@) {
		2489	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	LOG llevError | logBacktrace, Carp::longmess $@;
		2491	}
		2492
		2493	if ($gen == $self->{_goto_generation}) {
		2494	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2495	$self->leave_link ($map, $x, $y);
		2496	}
		2497
		2498	$done->() if $done;
1786	})->prio (1);	2499	})->prio (1);
1787	}	2500	}
1788		2501
1789	=item $player_object->enter_exit ($exit_object)	2502	=item $player_object->enter_exit ($exit_object)
1790		2503
…		…
1792		2505
1793	sub parse_random_map_params {	2506	sub parse_random_map_params {
1794	my ($spec) = @_;	2507	my ($spec) = @_;
1795		2508
1796	my $rmp = { # defaults	2509	my $rmp = { # defaults
1797	xsize => 10,	2510	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2511	ysize => (cf::rndm 15, 40),
		2512	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2513	#layout => string,
1799	};	2514	};
1800		2515
1801	for (split /\n/, $spec) {	2516	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2517	my ($k, $v) = split /\s+/, $_, 2;
1803		2518
…		…
1807	$rmp	2522	$rmp
1808	}	2523	}
1809		2524
1810	sub prepare_random_map {	2525	sub prepare_random_map {
1811	my ($exit) = @_;	2526	my ($exit) = @_;
		2527
		2528	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2529
1813	# all this does is basically replace the /! path by	2530	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2531	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2532	# that depends on the exit object
1816		2533
1817	my $rmp = parse_random_map_params $exit->msg;	2534	my $rmp = parse_random_map_params $exit->msg;
1818		2535
1819	if ($exit->map) {	2536	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2537	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2538	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2539	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2540	$rmp->{origin_y} = $exit->y;
1824	}	2541	}
1825		2542
1826	$rmp->{random_seed} ||= $exit->random_seed;	2543	$rmp->{random_seed} ||= $exit->random_seed;
1827		2544
1828	my $data = cf::to_json $rmp;	2545	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2546	my $md5 = Digest::MD5::md5_hex $data;
		2547	my $meta = "$RANDOMDIR/$md5.meta";
1830		2548
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2549	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2550	aio_write $fh, 0, (length $data), $data, 0;
		2551	undef $fh;
		2552	aio_rename "$meta~", $meta;
1833		2553
1834	$exit->slaying ("?random/$md5");	2554	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2555	$exit->msg (undef);
1836	}	2556	}
1837	}	2557	}
…		…
1839	sub cf::object::player::enter_exit {	2559	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2560	my ($self, $exit) = @_;
1841		2561
1842	return unless $self->type == cf::PLAYER;	2562	return unless $self->type == cf::PLAYER;
1843		2563
		2564	if ($exit->slaying eq "/!") {
		2565	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2566	# the problem is that $exit might not survive long enough
		2567	# so it needs to be done right now, right here
		2568	cf::sync_job { prepare_random_map $exit };
		2569	}
		2570
		2571	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2572	my $hp = $exit->stats->hp;
		2573	my $sp = $exit->stats->sp;
		2574
1844	$self->enter_link;	2575	$self->enter_link;
		2576
		2577	# if exit is damned, update players death & WoR home-position
		2578	$self->contr->savebed ($slaying, $hp, $sp)
		2579	if $exit->flag (FLAG_DAMNED);
1845		2580
1846	(async {	2581	(async {
1847	$self->deactivate_recursive; # just to be sure	2582	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2583	unless (eval {
1849	prepare_random_map $exit	2584	$self->goto ($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		2585
1855	1;	2586	1;
1856	}) {	2587	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2588	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2589	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2590	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2591	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2592
1862	warn "ERROR in enter_exit: $@";	2593	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2594	$self->leave_link;
1864	}	2595	}
1865	})->prio (1);	2596	})->prio (1);
…		…
1878		2609
1879	sub cf::client::send_drawinfo {	2610	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2611	my ($self, $text, $flags) = @_;
1881		2612
1882	utf8::encode $text;	2613	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2614	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2615	}
1885		2616
		2617	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2618
		2619	Send a drawinfo or msg packet to the client, formatting the msg for the
		2620	client if neccessary. C<$type> should be a string identifying the type of
		2621	the message, with C<log> being the default. If C<$color> is negative, suppress
		2622	the message unless the client supports the msg packet.
		2623
		2624	=cut
		2625
		2626	our %CHANNEL = (
		2627	"c/identify" => {
		2628	id => "identify",
		2629	title => "Identify",
		2630	reply => undef,
		2631	tooltip => "Items recently identified",
		2632	},
		2633	"c/examine" => {
		2634	id => "examine",
		2635	title => "Examine",
		2636	reply => undef,
		2637	tooltip => "Signs and other items you examined",
		2638	},
		2639	);
		2640
		2641	sub cf::client::send_msg {
		2642	my ($self, $channel, $msg, $color, @extra) = @_;
		2643
		2644	$msg = $self->pl->expand_cfpod ($msg);
		2645
		2646	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2647
		2648	# check predefined channels, for the benefit of C
		2649	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2650
		2651	if (ref $channel) {
		2652	# send meta info to client, if not yet sent
		2653	unless (exists $self->{channel}{$channel->{id}}) {
		2654	$self->{channel}{$channel->{id}} = $channel;
		2655	$self->ext_msg (channel_info => $channel)
		2656	if $self->can_msg;
		2657	}
		2658
		2659	$channel = $channel->{id};
		2660	}
		2661
		2662	return unless @extra || length $msg;
		2663
		2664	if ($self->can_msg) {
		2665	# default colour, mask it out
		2666	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2667	if $color & cf::NDI_DEF;
		2668
		2669	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2670	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2671	} else {
		2672	if ($color >= 0) {
		2673	# replace some tags by gcfclient-compatible ones
		2674	for ($msg) {
		2675	1 while
		2676	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2677	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2678	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2679	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2680	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2681	}
		2682
		2683	$color &= cf::NDI_COLOR_MASK;
		2684
		2685	utf8::encode $msg;
		2686
		2687	if (0 && $msg =~ /\[/) {
		2688	# COMMAND/INFO
		2689	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2690	} else {
		2691	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2692	$self->send_packet ("drawinfo $color $msg")
		2693	}
		2694	}
		2695	}
		2696	}
		2697
		2698	=item $client->ext_msg ($type, @msg)
		2699
		2700	Sends an ext event to the client.
		2701
		2702	=cut
		2703
		2704	sub cf::client::ext_msg($$@) {
		2705	my ($self, $type, @msg) = @_;
		2706
		2707	if ($self->extcmd == 2) {
		2708	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2709	} elsif ($self->extcmd == 1) { # TODO: remove
		2710	push @msg, msgtype => "event_$type";
		2711	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2712	}
		2713	}
		2714
		2715	=item $client->ext_reply ($msgid, @msg)
		2716
		2717	Sends an ext reply to the client.
		2718
		2719	=cut
		2720
		2721	sub cf::client::ext_reply($$@) {
		2722	my ($self, $id, @msg) = @_;
		2723
		2724	if ($self->extcmd == 2) {
		2725	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2726	} elsif ($self->extcmd == 1) {
		2727	#TODO: version 1, remove
		2728	unshift @msg, msgtype => "reply", msgid => $id;
		2729	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2730	}
		2731	}
1886		2732
1887	=item $success = $client->query ($flags, "text", \&cb)	2733	=item $success = $client->query ($flags, "text", \&cb)
1888		2734
1889	Queues a query to the client, calling the given callback with	2735	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>,	2736	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>.	2737	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2738
1893	Queries can fail, so check the return code. Or don't, as queries will become	2739	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2740	become reliable at some point in the future.
1895		2741
1896	=cut	2742	=cut
1897		2743
1898	sub cf::client::query {	2744	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2745	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2753	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2754	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2755
1910	$self->send_packet ($self->{query_queue}[0][0])	2756	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2757	if @{ $self->{query_queue} } == 1;
		2758
		2759	1
1912	}	2760	}
1913		2761
1914	cf::client->attach (	2762	cf::client->attach (
		2763	on_connect => sub {
		2764	my ($ns) = @_;
		2765
		2766	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2767	},
1915	on_reply => sub {	2768	on_reply => sub {
1916	my ($ns, $msg) = @_;	2769	my ($ns, $msg) = @_;
1917		2770
1918	# this weird shuffling is so that direct followup queries	2771	# this weird shuffling is so that direct followup queries
1919	# get handled first	2772	# get handled first
1920	my $queue = delete $ns->{query_queue}	2773	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2774	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2775
1923	(shift @$queue)->[1]->($msg);	2776	(shift @$queue)->[1]->($msg);
		2777	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2778
1925	push @{ $ns->{query_queue} }, @$queue;	2779	push @{ $ns->{query_queue} }, @$queue;
1926		2780
1927	if (@{ $ns->{query_queue} } == @$queue) {	2781	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2782	if (@$queue) {
…		…
1930	} else {	2784	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2785	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2786	}
1933	}	2787	}
1934	},	2788	},
		2789	on_exticmd => sub {
		2790	my ($ns, $buf) = @_;
		2791
		2792	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2793
		2794	if (ref $msg) {
		2795	my ($type, $reply, @payload) =
		2796	"ARRAY" eq ref $msg
		2797	? @$msg
		2798	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2799
		2800	my @reply;
		2801
		2802	if (my $cb = $EXTICMD{$type}) {
		2803	@reply = $cb->($ns, @payload);
		2804	}
		2805
		2806	$ns->ext_reply ($reply, @reply)
		2807	if $reply;
		2808
		2809	} else {
		2810	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2811	}
		2812
		2813	cf::override;
		2814	},
1935	);	2815	);
1936		2816
1937	=item $client->async (\&cb)	2817	=item $client->async (\&cb)
1938		2818
1939	Create a new coroutine, running the specified callback. The coroutine will	2819	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2860	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2861	our $safe_hole = new Safe::Hole;
1982		2862
1983	$SIG{FPE} = 'IGNORE';	2863	$SIG{FPE} = 'IGNORE';
1984		2864
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2865	$safe->permit_only (Opcode::opset qw(
		2866	:base_core :base_mem :base_orig :base_math
		2867	grepstart grepwhile mapstart mapwhile
		2868	sort time
		2869	));
1986		2870
1987	# here we export the classes and methods available to script code	2871	# here we export the classes and methods available to script code
1988		2872
1989	=pod	2873	=pod
1990		2874
1991	The following fucntions and emthods are available within a safe environment:	2875	The following functions and methods are available within a safe environment:
1992		2876
1993	cf::object contr pay_amount pay_player map	2877	cf::object
		2878	contr pay_amount pay_player map x y force_find force_add
		2879	insert remove name archname title slaying race decrease_ob_nr
		2880
1994	cf::object::player player	2881	cf::object::player
1995	cf::player peaceful	2882	player
1996	cf::map trigger	2883
		2884	cf::player
		2885	peaceful
		2886
		2887	cf::map
		2888	trigger
1997		2889
1998	=cut	2890	=cut
1999		2891
2000	for (	2892	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2893	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2894	insert remove inv name archname title slaying race
		2895	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2896	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2897	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2898	["cf::map" => qw(trigger)],
2005	) {	2899	) {
2006	no strict 'refs';	2900	no strict 'refs';
…		…
2077	=back	2971	=back
2078		2972
2079	=cut	2973	=cut
2080		2974
2081	#############################################################################	2975	#############################################################################
		2976	# the server's init and main functions
2082		2977
2083	=head2 EXTENSION DATABASE SUPPORT	2978	sub load_facedata($) {
		2979	my ($path) = @_;
2084		2980
2085	Crossfire maintains a very simple database for extension use. It can	2981	# HACK to clear player env face cache, we need some signal framework
2086	currently store anything that can be serialised using Storable, which	2982	# for this (global event?)
2087	excludes objects.	2983	%ext::player_env::MUSIC_FACE_CACHE = ();
2088		2984
2089	The parameter C<$family> should best start with the name of the extension	2985	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2090	using it, it should be unique.
2091		2986
2092	=over 4	2987	warn "loading facedata from $path\n";
2093		2988
2094	=item $hashref = cf::db_get $family	2989	my $facedata;
		2990	0 < aio_load $path, $facedata
		2991	or die "$path: $!";
2095		2992
2096	Return a hashref for use by the extension C<$family>, which can be	2993	$facedata = Coro::Storable::thaw $facedata;
2097	modified. After modifications, you have to call C<cf::db_dirty> or
2098	C<cf::db_sync>.
2099		2994
2100	=item $value = cf::db_get $family => $key	2995	$facedata->{version} == 2
		2996	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2997
2102	Returns a single value from the database	2998	# patch in the exptable
2103		2999	$facedata->{resource}{"res/exp_table"} = {
2104	=item cf::db_put $family => $hashref	3000	type => FT_RSRC,
2105		3001	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	});	3002	};
		3003	cf::cede_to_tick;
2155		3004
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	3005	{
		3006	my $faces = $facedata->{faceinfo};
2160		3007
2161	sub db_get($;$) {	3008	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	3009	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	3010	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	3011	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	3012	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3013	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		3014
2167	sub db_put($$;$) {	3015	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	},	3016	}
2181	);
2182	}
2183		3017
2184	#############################################################################	3018	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	3019	next unless $info->{smooth};
		3020	my $idx = cf::face::find $face
		3021	or next;
		3022	if (my $smooth = cf::face::find $info->{smooth}) {
		3023	cf::face::set_smooth $idx, $smooth;
		3024	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3025	} else {
		3026	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3027	}
2186		3028
2187	sub cfg_load {	3029	cf::cede_to_tick;
		3030	}
		3031	}
		3032
		3033	{
		3034	my $anims = $facedata->{animinfo};
		3035
		3036	while (my ($anim, $info) = each %$anims) {
		3037	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3038	cf::cede_to_tick;
		3039	}
		3040
		3041	cf::anim::invalidate_all; # d'oh
		3042	}
		3043
		3044	{
		3045	# TODO: for gcfclient pleasure, we should give resources
		3046	# that gcfclient doesn't grok a >10000 face index.
		3047	my $res = $facedata->{resource};
		3048
		3049	my $soundconf = delete $res->{"res/sound.conf"};
		3050
		3051	while (my ($name, $info) = each %$res) {
		3052	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3053	my $data;
		3054
		3055	if ($info->{type} & 1) {
		3056	# prepend meta info
		3057
		3058	my $meta = $enc->encode ({
		3059	name => $name,
		3060	%{ $info->{meta} || {} },
		3061	});
		3062
		3063	$data = pack "(w/a*)*", $meta, $info->{data};
		3064	} else {
		3065	$data = $info->{data};
		3066	}
		3067
		3068	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3069	cf::face::set_type $idx, $info->{type};
		3070
		3071	cf::cede_to_tick;
		3072	}
		3073
		3074	if ($soundconf) {
		3075	$soundconf = $enc->decode (delete $soundconf->{data});
		3076
		3077	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3078	my $sound = $soundconf->{compat}[$_]
		3079	or next;
		3080
		3081	my $face = cf::face::find "sound/$sound->[1]";
		3082	cf::sound::set $sound->[0] => $face;
		3083	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3084	}
		3085
		3086	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3087	my $face = cf::face::find "sound/$v";
		3088	cf::sound::set $k => $face;
		3089	}
		3090	}
		3091	}
		3092
		3093	1
		3094	}
		3095
		3096	register_exticmd fx_want => sub {
		3097	my ($ns, $want) = @_;
		3098
		3099	while (my ($k, $v) = each %$want) {
		3100	$ns->fx_want ($k, $v);
		3101	}
		3102	};
		3103
		3104	sub reload_regions {
		3105	# HACK to clear player env face cache, we need some signal framework
		3106	# for this (global event?)
		3107	%ext::player_env::MUSIC_FACE_CACHE = ();
		3108
		3109	load_resource_file "$MAPDIR/regions"
		3110	or die "unable to load regions file\n";
		3111
		3112	for (cf::region::list) {
		3113	$_->{match} = qr/$_->{match}/
		3114	if exists $_->{match};
		3115	}
		3116	}
		3117
		3118	sub reload_facedata {
		3119	load_facedata "$DATADIR/facedata"
		3120	or die "unable to load facedata\n";
		3121	}
		3122
		3123	sub reload_archetypes {
		3124	load_resource_file "$DATADIR/archetypes"
		3125	or die "unable to load archetypes\n";
		3126	#d# NEED to laod twice to resolve forward references
		3127	# this really needs to be done in an extra post-pass
		3128	# (which needs to be synchronous, so solve it differently)
		3129	load_resource_file "$DATADIR/archetypes"
		3130	or die "unable to load archetypes\n";
		3131	}
		3132
		3133	sub reload_treasures {
		3134	load_resource_file "$DATADIR/treasures"
		3135	or die "unable to load treasurelists\n";
		3136	}
		3137
		3138	sub reload_resources {
		3139	warn "reloading resource files...\n";
		3140
		3141	reload_regions;
		3142	reload_facedata;
		3143	#reload_archetypes;#d#
		3144	reload_archetypes;
		3145	reload_treasures;
		3146
		3147	warn "finished reloading resource files\n";
		3148	}
		3149
		3150	sub init {
		3151	reload_resources;
		3152	}
		3153
		3154	sub reload_config {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3155	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3156	or return;
2190		3157
2191	local $/;	3158	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3159	*CFG = YAML::Syck::Load <$fh>;
2193		3160
…		…
2207		3174
2208	sub main {	3175	sub main {
2209	# we must not ever block the main coroutine	3176	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3177	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3178	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3179	(async {
2212	async { Event::one_event };	3180	Event::one_event;
		3181	})->prio (Coro::PRIO_MAX);
2213	};	3182	};
2214		3183
2215	cfg_load;	3184	reload_config;
2216	db_load;	3185	db_init;
2217	load_extensions;	3186	load_extensions;
		3187
		3188	$TICK_WATCHER->start;
2218	Event::loop;	3189	Event::loop;
2219	}	3190	}
2220		3191
2221	#############################################################################	3192	#############################################################################
2222	# initialisation and cleanup	3193	# initialisation and cleanup
2223		3194
2224	# install some emergency cleanup handlers	3195	# install some emergency cleanup handlers
2225	BEGIN {	3196	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3197	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3198	Event->signal (
		3199	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3200	data => WF_AUTOCANCEL,
2229	signal => $signal,	3201	signal => $signal,
		3202	prio => 0,
2230	cb => sub {	3203	cb => sub {
2231	cf::cleanup "SIG$signal";	3204	cf::cleanup "SIG$signal";
2232	},	3205	},
2233	);	3206	);
2234	}	3207	}
		3208	}
		3209
		3210	sub write_runtime {
		3211	my $runtime = "$LOCALDIR/runtime";
		3212
		3213	# first touch the runtime file to show we are still running:
		3214	# the fsync below can take a very very long time.
		3215
		3216	IO::AIO::aio_utime $runtime, undef, undef;
		3217
		3218	my $guard = cf::lock_acquire "write_runtime";
		3219
		3220	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3221	or return;
		3222
		3223	my $value = $cf::RUNTIME + 90 + 10;
		3224	# 10 is the runtime save interval, for a monotonic clock
		3225	# 60 allows for the watchdog to kill the server.
		3226
		3227	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3228	and return;
		3229
		3230	# always fsync - this file is important
		3231	aio_fsync $fh
		3232	and return;
		3233
		3234	# touch it again to show we are up-to-date
		3235	aio_utime $fh, undef, undef;
		3236
		3237	close $fh
		3238	or return;
		3239
		3240	aio_rename "$runtime~", $runtime
		3241	and return;
		3242
		3243	warn "runtime file written.\n";
		3244
		3245	1
2235	}	3246	}
2236		3247
2237	sub emergency_save() {	3248	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3249	my $freeze_guard = cf::freeze_mainloop;
2239		3250
…		…
2256	my $map = $cf::MAP{$path} or next;	3267	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3268	$map->valid or next;
2258	$map->save;	3269	$map->save;
2259	}	3270	}
2260	warn "end emergency map save\n";	3271	warn "end emergency map save\n";
		3272
		3273	warn "begin emergency database checkpoint\n";
		3274	BDB::db_env_txn_checkpoint $DB_ENV;
		3275	warn "end emergency database checkpoint\n";
2261	};	3276	};
2262		3277
2263	warn "leave emergency perl save\n";	3278	warn "leave emergency perl save\n";
2264	}	3279	}
2265		3280
		3281	sub post_cleanup {
		3282	my ($make_core) = @_;
		3283
		3284	warn Carp::longmess "post_cleanup backtrace"
		3285	if $make_core;
		3286	}
		3287
2266	sub reload() {	3288	sub do_reload_perl() {
2267	# can/must only be called in main	3289	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3290	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3291	warn "can only reload from main coroutine";
2270	return;	3292	return;
2271	}	3293	}
2272		3294
2273	warn "reloading...";	3295	warn "reloading...";
2274		3296
2275	warn "freezing server";	3297	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3298
		3299	cf::sync_job {
		3300	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3301	cf::emergency_save;
		3302	cf::write_runtime; # external watchdog should not bark
2278		3303
2279	warn "sync database to disk";	3304	warn "syncing database to disk";
2280	cf::db_sync;	3305	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3306
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3307	# if anything goes wrong in here, we should simply crash as we already saved
2285		3308
2286	warn "cancel all watchers";	3309	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3310	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3311	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3312	}
2290		3313
		3314	warn "flushing outstanding aio requests";
		3315	for (;;) {
		3316	BDB::flush;
		3317	IO::AIO::flush;
		3318	Coro::cede;
		3319	last unless IO::AIO::nreqs || BDB::nreqs;
		3320	warn "iterate...";
		3321	}
		3322
		3323	++$RELOAD;
		3324
2291	warn "cancel all extension coros";	3325	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3326	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3327	%EXT_CORO = ();
2294		3328
2295	warn "remove commands";	3329	warn "removing commands";
2296	%COMMAND = ();	3330	%COMMAND = ();
2297		3331
2298	warn "remove ext commands";	3332	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3333	%EXTCMD = ();
		3334	%EXTICMD = ();
2300		3335
2301	warn "unload/nuke all extensions";	3336	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3337	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3338	warn "... unloading $pkg";
2304		3339
2305	if (my $cb = $pkg->can ("unload")) {	3340	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3341	eval {
…		…
2311		3346
2312	warn "... nuking $pkg";	3347	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3348	Symbol::delete_package $pkg;
2314	}	3349	}
2315		3350
2316	warn "unload all perl modules loaded from $LIBDIR";	3351	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3352	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3353	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3354
2320	warn "removing <$k>";	3355	warn "... unloading $k";
2321	delete $INC{$k};	3356	delete $INC{$k};
2322		3357
2323	$k =~ s/\.pm$//;	3358	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3359	$k =~ s/\//::/g;
2325		3360
…		…
2328	}	3363	}
2329		3364
2330	Symbol::delete_package $k;	3365	Symbol::delete_package $k;
2331	}	3366	}
2332		3367
2333	warn "get rid of safe::, as good as possible";	3368	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3369	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3370	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3371
2337	warn "unload cf.pm \"a bit\"";	3372	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3373	delete $INC{"cf.pm"};
		3374	delete $INC{"cf/pod.pm"};
2339		3375
2340	# don't, removes xs symbols, too,	3376	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3377	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3378	#Symbol::delete_package __PACKAGE__;
2343		3379
		3380	warn "unload completed, starting to reload now";
		3381
2344	warn "reloading cf.pm";	3382	warn "reloading cf.pm";
2345	require cf;	3383	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3384	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3385
2348	warn "load config and database again";	3386	warn "loading config and database again";
2349	cf::cfg_load;	3387	cf::reload_config;
2350	cf::db_load;
2351		3388
2352	warn "load extensions";	3389	warn "loading extensions";
2353	cf::load_extensions;	3390	cf::load_extensions;
2354		3391
2355	warn "reattach attachments to objects/players";	3392	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3393	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3394	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3395	reattach $_ for values %MAP;
2359	};	3396	warn "reattaching attachments to players";
		3397	reattach $_ for values %PLAYER;
2360		3398
2361	if ($@) {	3399	warn "leaving sync_job";
		3400
		3401	1
		3402	} or do {
2362	warn $@;	3403	warn $@;
2363	warn "error while reloading, exiting.";	3404	warn "error while reloading, exiting.";
2364	exit 1;	3405	exit 1;
2365	}	3406	};
2366		3407
2367	warn "reloaded";	3408	warn "reloaded";
2368	};	3409	};
2369		3410
		3411	our $RELOAD_WATCHER; # used only during reload
		3412
		3413	sub reload_perl() {
		3414	# doing reload synchronously and two reloads happen back-to-back,
		3415	# coro crashes during coro_state_free->destroy here.
		3416
		3417	$RELOAD_WATCHER ||= Event->timer (
		3418	reentrant => 0,
		3419	after => 0,
		3420	data => WF_AUTOCANCEL,
		3421	cb => sub {
		3422	do_reload_perl;
		3423	undef $RELOAD_WATCHER;
		3424	},
		3425	);
		3426	}
		3427
2370	register_command "reload" => sub {	3428	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3429	my ($who, $arg) = @_;
2372		3430
2373	if ($who->flag (FLAG_WIZ)) {	3431	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3432	$who->message ("reloading server.");
		3433	async { reload_perl };
2377	}	3434	}
2378	};	3435	};
2379		3436
2380	unshift @INC, $LIBDIR;	3437	unshift @INC, $LIBDIR;
		3438
		3439	my $bug_warning = 0;
		3440
		3441	our @WAIT_FOR_TICK;
		3442	our @WAIT_FOR_TICK_BEGIN;
		3443
		3444	sub wait_for_tick {
		3445	return unless $TICK_WATCHER->is_active;
		3446	return if $Coro::current == $Coro::main;
		3447
		3448	my $signal = new Coro::Signal;
		3449	push @WAIT_FOR_TICK, $signal;
		3450	$signal->wait;
		3451	}
		3452
		3453	sub wait_for_tick_begin {
		3454	return unless $TICK_WATCHER->is_active;
		3455	return if $Coro::current == $Coro::main;
		3456
		3457	my $signal = new Coro::Signal;
		3458	push @WAIT_FOR_TICK_BEGIN, $signal;
		3459	$signal->wait;
		3460	}
2381		3461
2382	$TICK_WATCHER = Event->timer (	3462	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3463	reentrant => 0,
		3464	parked => 1,
2384	prio => 0,	3465	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3466	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3467	data => WF_AUTOCANCEL,
2387	cb => sub {	3468	cb => sub {
		3469	if ($Coro::current != $Coro::main) {
		3470	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3471	unless ++$bug_warning > 10;
		3472	return;
		3473	}
		3474
2388	$NOW = Event::time;	3475	$NOW = $tick_start = Event::time;
2389		3476
2390	cf::server_tick; # one server iteration	3477	cf::server_tick; # one server iteration
		3478
2391	$RUNTIME += $TICK;	3479	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3480	$NEXT_TICK += $TICK;
2393		3481
2394	$WAIT_FOR_TICK->broadcast;	3482	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3483	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3484	Coro::async_pool {
		3485	write_runtime
		3486	or warn "ERROR: unable to write runtime file: $!";
		3487	};
		3488	}
		3489
		3490	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3491	$sig->send;
		3492	}
		3493	while (my $sig = shift @WAIT_FOR_TICK) {
		3494	$sig->send;
		3495	}
		3496
		3497	$NOW = Event::time;
2396		3498
2397	# if we are delayed by four ticks or more, skip them all	3499	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3500	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3501
2400	$TICK_WATCHER->at ($NEXT_TICK);	3502	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3503	$TICK_WATCHER->start;
		3504
		3505	$LOAD = ($NOW - $tick_start) / $TICK;
		3506	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3507
		3508	_post_tick;
2402	},	3509	},
2403	);	3510	);
2404		3511
		3512	{
		3513	BDB::min_parallel 8;
2405	IO::AIO::max_poll_time $TICK * 0.2;	3514	BDB::max_poll_time $TICK * 0.1;
2406		3515	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3516	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3517	fd => BDB::poll_fileno,
2409	poll => 'r',	3518	poll => 'r',
2410	prio => 5,	3519	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3520	data => WF_AUTOCANCEL,
		3521	cb => \&BDB::poll_cb,
		3522	);
		3523
		3524	BDB::set_sync_prepare {
		3525	my $status;
		3526	my $current = $Coro::current;
		3527	(
		3528	sub {
		3529	$status = $!;
		3530	$current->ready; undef $current;
		3531	},
		3532	sub {
		3533	Coro::schedule while defined $current;
		3534	$! = $status;
		3535	},
		3536	)
		3537	};
		3538
		3539	unless ($DB_ENV) {
		3540	$DB_ENV = BDB::db_env_create;
		3541	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3542	| BDB::LOG_AUTOREMOVE, 1);
		3543	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3544	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3545
		3546	cf::sync_job {
		3547	eval {
		3548	BDB::db_env_open
		3549	$DB_ENV,
		3550	$BDBDIR,
		3551	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3552	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3553	0666;
		3554
		3555	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3556	};
		3557
		3558	cf::cleanup "db_env_open(db): $@" if $@;
		3559	};
		3560	}
		3561
		3562	$BDB_DEADLOCK_WATCHER = Event->timer (
2417	after => 0,	3563	after => 3,
2418	interval => 10,	3564	interval => 1,
		3565	hard => 1,
		3566	prio => 0,
		3567	data => WF_AUTOCANCEL,
2419	cb => sub {	3568	cb => sub {
2420	(Coro::unblock_sub {	3569	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
2421	write_runtime	3570	},
2422	or warn "ERROR: unable to write runtime file: $!";	3571	);
		3572	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3573	after => 11,
		3574	interval => 60,
		3575	hard => 1,
		3576	prio => 0,
		3577	data => WF_AUTOCANCEL,
		3578	cb => sub {
		3579	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3580	},
		3581	);
		3582	$BDB_TRICKLE_WATCHER = Event->timer (
		3583	after => 5,
		3584	interval => 10,
		3585	hard => 1,
		3586	prio => 0,
		3587	data => WF_AUTOCANCEL,
		3588	cb => sub {
		3589	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3590	},
		3591	);
		3592	}
		3593
		3594	{
		3595	IO::AIO::min_parallel 8;
		3596
		3597	undef $Coro::AIO::WATCHER;
		3598	IO::AIO::max_poll_time $TICK * 0.1;
		3599	$AIO_POLL_WATCHER = Event->io (
		3600	reentrant => 0,
		3601	data => WF_AUTOCANCEL,
		3602	fd => IO::AIO::poll_fileno,
		3603	poll => 'r',
		3604	prio => 6,
		3605	cb => \&IO::AIO::poll_cb,
		3606	);
		3607	}
		3608
		3609	my $_log_backtrace;
		3610
		3611	sub _log_backtrace {
		3612	my ($msg, @addr) = @_;
		3613
		3614	$msg =~ s/\n//;
		3615
		3616	# limit the # of concurrent backtraces
		3617	if ($_log_backtrace < 2) {
		3618	++$_log_backtrace;
		3619	async {
		3620	my @bt = fork_call {
		3621	@addr = map { sprintf "%x", $_ } @addr;
		3622	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3623	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3624	or die "addr2line: $!";
		3625
		3626	my @funcs;
		3627	my @res = <$fh>;
		3628	chomp for @res;
		3629	while (@res) {
		3630	my ($func, $line) = splice @res, 0, 2, ();
		3631	push @funcs, "[$func] $line";
		3632	}
		3633
		3634	@funcs
		3635	};
		3636
		3637	LOG llevInfo, "[ABT] $msg\n";
		3638	LOG llevInfo, "[ABT] $_\n" for @bt;
		3639	--$_log_backtrace;
2423	})->();	3640	};
		3641	} else {
		3642	LOG llevInfo, "[ABT] $msg\n";
		3643	LOG llevInfo, "[ABT] [suppressed]\n";
2424	},	3644	}
2425	);	3645	}
		3646
		3647	# load additional modules
		3648	use cf::pod;
2426		3649
2427	END { cf::emergency_save }	3650	END { cf::emergency_save }
2428		3651
2429	1	3652	1
2430		3653

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