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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.179 by root, Thu Jan 18 20:39:00 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.4 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
232		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
236		291
237	sub lock_wait($) {	292	sub lock_wait($) {
238	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
239		299
240	# wait for lock, if any	300	# wait for lock, if any
241	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
242	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
243	Coro::schedule;	303	Coro::schedule;
…		…
249		309
250	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
251	lock_wait $key;	311	lock_wait $key;
252		312
253	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
254		315
255	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
256	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
258	}	320	}
259	}	321	}
260		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
261	sub freeze_mainloop {	329	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
263		331
264	my $guard = Coro::guard {	332	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	333	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	334	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
270	$guard	336	$guard
		337	}
		338
		339	=item cf::get_slot $time[, $priority[, $name]]
		340
		341	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		342	This call blocks and returns only when you have at least C<$time> seconds
		343	of cpu time till the next tick. The slot is only valid till the next cede.
		344
		345	The optional C<$name> can be used to identify the job to run. It might be
		346	used for statistical purposes and should identify the same time-class.
		347
		348	Useful for short background jobs.
		349
		350	=cut
		351
		352	our @SLOT_QUEUE;
		353	our $SLOT_QUEUE;
		354
		355	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		356	$SLOT_QUEUE = Coro::async {
		357	my $signal = new Coro::Signal;
		358
		359	while () {
		360	next_job:
		361	my $avail = cf::till_tick;
		362	if ($avail > 0.01) {
		363	for (0 .. $#SLOT_QUEUE) {
		364	if ($SLOT_QUEUE[$_][0] < $avail) {
		365	my $job = splice @SLOT_QUEUE, $_, 1, ();
		366	$job->[2]->send;
		367	Coro::cede;
		368	goto next_job;
		369	}
		370	}
		371	}
		372
		373	if (@SLOT_QUEUE) {
		374	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		375	push @cf::WAIT_FOR_TICK, $signal;
		376	$signal->wait;
		377	} else {
		378	Coro::schedule;
		379	}
		380	}
		381	};
		382
		383	sub get_slot($;$$) {
		384	my ($time, $pri, $name) = @_;
		385
		386	$time = $TICK * .6 if $time > $TICK * .6;
		387	my $sig = new Coro::Signal;
		388
		389	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		390	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		391	$SLOT_QUEUE->ready;
		392	$sig->wait;
271	}	393	}
272		394
273	=item cf::async { BLOCK }	395	=item cf::async { BLOCK }
274		396
275	Currently the same as Coro::async_pool, meaning you cannot use	397	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		402
281	BEGIN { *async = \&Coro::async_pool }	403	BEGIN { *async = \&Coro::async_pool }
282		404
283	=item cf::sync_job { BLOCK }	405	=item cf::sync_job { BLOCK }
284		406
285	The design of crossfire+ requires that the main coro ($Coro::main) is	407	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	408	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	409	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		410	acceptable.
288		411
289	If it must be done, put the blocking parts into C<sync_job>. This will run	412	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	413	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	414	server will be frozen during this time, so the block should either finish
292	fast or be very important.	415	fast or be very important.
…		…
295		418
296	sub sync_job(&) {	419	sub sync_job(&) {
297	my ($job) = @_;	420	my ($job) = @_;
298		421
299	if ($Coro::current == $Coro::main) {	422	if ($Coro::current == $Coro::main) {
		423	my $time = Event::time;
		424
300	# this is the main coro, too bad, we have to block	425	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	426	# till the operation succeeds, freezing the server :/
302		427
303	# TODO: use suspend/resume instead	428	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	429	# (but this is cancel-safe)
…		…
315		440
316	while ($busy) {	441	while ($busy) {
317	Coro::cede or Event::one_event;	442	Coro::cede or Event::one_event;
318	}	443	}
319		444
		445	$time = Event::time - $time;
		446
		447	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		448	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		449
		450	$tick_start += $time; # do not account sync jobs to server load
		451
320	wantarray ? @res : $res[0]	452	wantarray ? @res : $res[0]
321	} else {	453	} else {
322	# we are in another coroutine, how wonderful, everything just works	454	# we are in another coroutine, how wonderful, everything just works
323		455
324	$job->()	456	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	475	$EXT_CORO{$coro+0} = $coro;
344		476
345	$coro	477	$coro
346	}	478	}
347		479
348	sub write_runtime {	480	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		481
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	482	Executes the given code block with the given arguments in a seperate
352	or return;	483	process, returning the results. Everything must be serialisable with
		484	Coro::Storable. May, of course, block. Note that the executed sub may
		485	never block itself or use any form of Event handling.
353		486
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	487	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		488
358	aio_fsync $fh	489	sub fork_call(&@) {
359	and return;	490	my ($cb, @args) = @_;
360		491
361	close $fh	492	# we seemingly have to make a local copy of the whole thing,
362	or return;	493	# otherwise perl prematurely frees the stuff :/
		494	# TODO: investigate and fix (likely this will be rather laborious)
363		495
364	aio_rename "$runtime~", $runtime	496	my @res = Coro::Util::fork_eval {
365	and return;	497	reset_signals;
		498	&$cb
		499	}, @args;
366		500
		501	wantarray ? @res : $res[-1]
		502	}
		503
		504	=item $value = cf::db_get $family => $key
		505
		506	Returns a single value from the environment database.
		507
		508	=item cf::db_put $family => $key => $value
		509
		510	Stores the given C<$value> in the family. It can currently store binary
		511	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		512
		513	=cut
		514
		515	our $DB;
		516
		517	sub db_init {
		518	unless ($DB) {
		519	$DB = BDB::db_create $DB_ENV;
		520
		521	cf::sync_job {
		522	eval {
		523	$DB->set_flags (BDB::CHKSUM);
		524
		525	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		526	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		527	cf::cleanup "db_open(db): $!" if $!;
		528	};
		529	cf::cleanup "db_open(db): $@" if $@;
		530	};
367	1	531	}
		532	}
		533
		534	sub db_get($$) {
		535	my $key = "$_[0]/$_[1]";
		536
		537	cf::sync_job {
		538	BDB::db_get $DB, undef, $key, my $data;
		539
		540	$! ? ()
		541	: $data
		542	}
		543	}
		544
		545	sub db_put($$$) {
		546	BDB::dbreq_pri 4;
		547	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		548	}
		549
		550	=item cf::cache $id => [$paths...], $processversion => $process
		551
		552	Generic caching function that returns the value of the resource $id,
		553	caching and regenerating as required.
		554
		555	This function can block.
		556
		557	=cut
		558
		559	sub cache {
		560	my ($id, $src, $processversion, $process) = @_;
		561
		562	my $meta =
		563	join "\x00",
		564	$processversion,
		565	map {
		566	aio_stat $_
		567	and Carp::croak "$_: $!";
		568
		569	($_, (stat _)[7,9])
		570	} @$src;
		571
		572	my $dbmeta = db_get cache => "$id/meta";
		573	if ($dbmeta ne $meta) {
		574	# changed, we may need to process
		575
		576	my @data;
		577	my $md5;
		578
		579	for (0 .. $#$src) {
		580	0 <= aio_load $src->[$_], $data[$_]
		581	or Carp::croak "$src->[$_]: $!";
		582	}
		583
		584	# if processing is expensive, check
		585	# checksum first
		586	if (1) {
		587	$md5 =
		588	join "\x00",
		589	$processversion,
		590	map {
		591	cf::cede_to_tick;
		592	($src->[$_], Digest::MD5::md5_hex $data[$_])
		593	} 0.. $#$src;
		594
		595
		596	my $dbmd5 = db_get cache => "$id/md5";
		597	if ($dbmd5 eq $md5) {
		598	db_put cache => "$id/meta", $meta;
		599
		600	return db_get cache => "$id/data";
		601	}
		602	}
		603
		604	my $t1 = Time::HiRes::time;
		605	my $data = $process->(\@data);
		606	my $t2 = Time::HiRes::time;
		607
		608	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		609
		610	db_put cache => "$id/data", $data;
		611	db_put cache => "$id/md5" , $md5;
		612	db_put cache => "$id/meta", $meta;
		613
		614	return $data;
		615	}
		616
		617	db_get cache => "$id/data"
		618	}
		619
		620	=item cf::datalog type => key => value, ...
		621
		622	Log a datalog packet of the given type with the given key-value pairs.
		623
		624	=cut
		625
		626	sub datalog($@) {
		627	my ($type, %kv) = @_;
		628	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	629	}
369		630
370	=back	631	=back
371		632
372	=cut	633	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	640	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	641	to it. All such attachable objects support the following methods.
381		642
382	In the following description, CLASS can be any of C<global>, C<object>	643	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	644	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	645	Crossfire TRT).
385		646
386	=over 4	647	=over 4
387		648
388	=item $attachable->attach ($attachment, key => $value...)	649	=item $attachable->attach ($attachment, key => $value...)
389		650
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	813	$registry = $CB_TYPE[$object_type] ||= [];
553		814
554	} elsif ($type eq "subtype") {	815	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	816	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	817	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	818	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		819
559	} elsif ($type eq "package") {	820	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	821	my $pkg = shift @arg;
561		822
562	while (my ($name, $id) = each %cb_id) {	823	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	852	_attach $registry, $klass, @attach;
592	}	853	}
593		854
594	$obj->{$name} = \%arg;	855	$obj->{$name} = \%arg;
595	} else {	856	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	857	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	858	}
598		859
599	$obj->{_attachment}{$name} = undef;	860	$obj->{_attachment}{$name} = undef;
600	}	861	}
601		862
…		…
603	if (ref $_[0]) {	864	if (ref $_[0]) {
604	_object_attach @_;	865	_object_attach @_;
605	} else {	866	} else {
606	_attach shift->_attach_registry, @_;	867	_attach shift->_attach_registry, @_;
607	}	868	}
		869	_recalc_want;
608	};	870	};
609		871
610	# all those should be optimised	872	# all those should be optimised
611	sub cf::attachable::detach {	873	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	874	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	877	delete $obj->{_attachment}{$name};
616	reattach ($obj);	878	reattach ($obj);
617	} else {	879	} else {
618	Carp::croak "cannot, currently, detach class attachments";	880	Carp::croak "cannot, currently, detach class attachments";
619	}	881	}
		882	_recalc_want;
620	};	883	};
621		884
622	sub cf::attachable::attached {	885	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	886	my ($obj, $name) = @_;
624		887
…		…
639	";	902	";
640	die if $@;	903	die if $@;
641	}	904	}
642		905
643	our $override;	906	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	907	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		908
646	sub override {	909	sub override {
647	$override = 1;	910	$override = 1;
648	@invoke_results = ();	911	@INVOKE_RESULTS = (@_);
649	}	912	}
650		913
651	sub do_invoke {	914	sub do_invoke {
652	my $event = shift;	915	my $event = shift;
653	my $callbacks = shift;	916	my $callbacks = shift;
654		917
655	@invoke_results = ();	918	@INVOKE_RESULTS = ();
656		919
657	local $override;	920	local $override;
658		921
659	for (@$callbacks) {	922	for (@$callbacks) {
660	eval { &{$_->[1]} };	923	eval { &{$_->[1]} };
…		…
677		940
678	Generate an object-specific event with the given arguments.	941	Generate an object-specific event with the given arguments.
679		942
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	943	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	944	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	945	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		946
684	=back	947	=back
685		948
686	=cut	949	=cut
687		950
688	#############################################################################	951	#############################################################################
689	# object support	952	# object support
		953	#
		954
		955	sub _can_merge {
		956	my ($ob1, $ob2) = @_;
		957
		958	local $Storable::canonical = 1;
		959	my $fob1 = Storable::freeze $ob1;
		960	my $fob2 = Storable::freeze $ob2;
		961
		962	$fob1 eq $fob2
		963	}
690		964
691	sub reattach {	965	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	966	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	967	my ($obj) = @_;
694		968
…		…
739	);	1013	);
740		1014
741	sub object_freezer_save {	1015	sub object_freezer_save {
742	my ($filename, $rdata, $objs) = @_;	1016	my ($filename, $rdata, $objs) = @_;
743		1017
		1018	my $guard = cf::lock_acquire "io";
		1019
744	sync_job {	1020	sync_job {
745	if (length $$rdata) {	1021	if (length $$rdata) {
746	warn sprintf "saving %s (%d,%d)\n",	1022	warn sprintf "saving %s (%d,%d)\n",
747	$filename, length $$rdata, scalar @$objs;	1023	$filename, length $$rdata, scalar @$objs;
748		1024
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1025	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1026	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1027	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1029	close $fh;
754		1030
755	if (@$objs) {	1031	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1032	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1033	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1034	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1035	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1036	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1037	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1038	aio_rename "$filename.pst~", "$filename.pst";
763	}	1039	}
764	} else {	1040	} else {
765	aio_unlink "$filename.pst";	1041	aio_unlink "$filename.pst";
…		…
771	}	1047	}
772	} else {	1048	} else {
773	aio_unlink $filename;	1049	aio_unlink $filename;
774	aio_unlink "$filename.pst";	1050	aio_unlink "$filename.pst";
775	}	1051	}
776	}	1052	};
		1053
		1054	undef $guard;
777	}	1055	}
778		1056
779	sub object_freezer_as_string {	1057	sub object_freezer_as_string {
780	my ($rdata, $objs) = @_;	1058	my ($rdata, $objs) = @_;
781		1059
…		…
786		1064
787	sub object_thawer_load {	1065	sub object_thawer_load {
788	my ($filename) = @_;	1066	my ($filename) = @_;
789		1067
790	my ($data, $av);	1068	my ($data, $av);
		1069
		1070	my $guard = cf::lock_acquire "io";
791		1071
792	(aio_load $filename, $data) >= 0	1072	(aio_load $filename, $data) >= 0
793	or return;	1073	or return;
794		1074
795	unless (aio_stat "$filename.pst") {	1075	unless (aio_stat "$filename.pst") {
796	(aio_load "$filename.pst", $av) >= 0	1076	(aio_load "$filename.pst", $av) >= 0
797	or return;	1077	or return;
		1078
		1079	undef $guard;
798	$av = eval { (Storable::thaw $av)->{objs} };	1080	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1081	}
800		1082
801	warn sprintf "loading %s (%d)\n",	1083	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1084	$filename, length $data, scalar @{$av || []};
		1085
803	return ($data, $av);	1086	($data, $av)
804	}	1087	}
		1088
		1089	=head2 COMMAND CALLBACKS
		1090
		1091	=over 4
		1092
		1093	=cut
805		1094
806	#############################################################################	1095	#############################################################################
807	# command handling &c	1096	# command handling &c
808		1097
809	=item cf::register_command $name => \&callback($ob,$args);	1098	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1111	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1112	}
824		1113
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1114	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1115
827	Register a callbackf ro execution when the client sends an extcmd packet.	1116	Register a callback for execution when the client sends an (synchronous)
		1117	extcmd packet. Ext commands will be processed in the order they are
		1118	received by the server, like other user commands. The first argument is
		1119	the logged-in player. Ext commands can only be processed after a player
		1120	has logged in successfully.
828		1121
829	If the callback returns something, it is sent back as if reply was being	1122	If the callback returns something, it is sent back as if reply was being
830	called.	1123	called.
831		1124
		1125	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1126
		1127	Register a callback for execution when the client sends an (asynchronous)
		1128	exticmd packet. Exti commands are processed by the server as soon as they
		1129	are received, i.e. out of order w.r.t. other commands. The first argument
		1130	is a client socket. Exti commands can be received anytime, even before
		1131	log-in.
		1132
		1133	If the callback returns something, it is sent back as if reply was being
		1134	called.
		1135
832	=cut	1136	=cut
833		1137
834	sub register_extcmd {	1138	sub register_extcmd {
835	my ($name, $cb) = @_;	1139	my ($name, $cb) = @_;
836		1140
837	$EXTCMD{$name} = $cb;	1141	$EXTCMD{$name} = $cb;
		1142	}
		1143
		1144	sub register_exticmd {
		1145	my ($name, $cb) = @_;
		1146
		1147	$EXTICMD{$name} = $cb;
838	}	1148	}
839		1149
840	cf::player->attach (	1150	cf::player->attach (
841	on_command => sub {	1151	on_command => sub {
842	my ($pl, $name, $params) = @_;	1152	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1161	cf::override;
852	},	1162	},
853	on_extcmd => sub {	1163	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1164	my ($pl, $buf) = @_;
855		1165
856	my $msg = eval { from_json $buf };	1166	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1167
858	if (ref $msg) {	1168	if (ref $msg) {
		1169	my ($type, $reply, @payload) =
		1170	"ARRAY" eq ref $msg
		1171	? @$msg
		1172	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1173
		1174	my @reply;
		1175
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1176	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1177	@reply = $cb->($pl, @payload);
861	$pl->ext_reply ($msg->{msgid}, %reply);
862	}
863	}	1178	}
		1179
		1180	$pl->ext_reply ($reply, @reply)
		1181	if $reply;
		1182
864	} else {	1183	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1184	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1185	}
867		1186
868	cf::override;	1187	cf::override;
869	},	1188	},
870	);	1189	);
871		1190
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1191	sub load_extensions {
		1192	cf::sync_job {
		1193	my %todo;
		1194
907	for my $ext (<$LIBDIR/*.ext>) {	1195	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1196	next unless -r $path;
909	eval {	1197
910	load_extension $ext;	1198	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1199	my $base = $1;
		1200	my $pkg = $1;
		1201	$pkg =~ s/[^[:word:]]/_/g;
		1202	$pkg = "ext::$pkg";
		1203
		1204	open my $fh, "<:utf8", $path
		1205	or die "$path: $!";
		1206
		1207	my $source = do { local $/; <$fh> };
		1208
		1209	my %ext = (
		1210	path => $path,
		1211	base => $base,
		1212	pkg => $pkg,
		1213	);
		1214
		1215	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1216	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1217
		1218	$ext{source} =
		1219	"package $pkg; use strict; use utf8;\n"
		1220	. "#line 1 \"$path\"\n{\n"
		1221	. $source
		1222	. "\n};\n1";
		1223
		1224	$todo{$base} = \%ext;
		1225	}
		1226
		1227	my %done;
		1228	while (%todo) {
		1229	my $progress;
		1230
		1231	while (my ($k, $v) = each %todo) {
		1232	for (split /,\s*/, $v->{meta}{depends}) {
		1233	goto skip
		1234	unless exists $done{$_};
		1235	}
		1236
		1237	warn "... loading '$k' into '$v->{pkg}'\n";
		1238
		1239	unless (eval $v->{source}) {
		1240	my $msg = $@ ? "$v->{path}: $@\n"
		1241	: "$v->{base}: extension inactive.\n";
		1242
		1243	if (exists $v->{meta}{mandatory}) {
		1244	warn $msg;
		1245	warn "mandatory extension failed to load, exiting.\n";
		1246	exit 1;
		1247	}
		1248
		1249	warn $msg;
		1250	}
		1251
		1252	$done{$k} = delete $todo{$k};
		1253	push @EXTS, $v->{pkg};
		1254	$progress = 1;
911	1	1255	}
912	} or warn "$ext not loaded: $@";	1256
		1257	skip:
		1258	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1259	unless $progress;
		1260	}
913	}	1261	};
914	}	1262	}
915		1263
916	#############################################################################	1264	#############################################################################
917		1265
		1266	=back
		1267
918	=head2 CORE EXTENSIONS	1268	=head2 CORE EXTENSIONS
919		1269
920	Functions and methods that extend core crossfire objects.	1270	Functions and methods that extend core crossfire objects.
921		1271
922	=cut	1272	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1284	Returns the given player object, loading it if necessary (might block).
935		1285
936	=cut	1286	=cut
937		1287
938	sub playerdir($) {	1288	sub playerdir($) {
939	cf::localdir	1289	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1290	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1291	}
945		1292
946	sub path($) {	1293	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1294	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1295
949	(playerdir $login) . "/$login.pl"	1296	(playerdir $login) . "/playerdata"
950	}	1297	}
951		1298
952	sub find_active($) {	1299	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1300	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1301	and $cf::PLAYER{$_[0]}->active
…		…
957		1304
958	sub exists($) {	1305	sub exists($) {
959	my ($login) = @_;	1306	my ($login) = @_;
960		1307
961	$cf::PLAYER{$login}	1308	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1309	or cf::sync_job { !aio_stat path $login }
963	}	1310	}
964		1311
965	sub find($) {	1312	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1313	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1314	my $login = $_[0];
968		1315
969	my $guard = cf::lock_acquire "user_find:$login";	1316	my $guard = cf::lock_acquire "user_find:$login";
970		1317
971	$cf::PLAYER{$_[0]} || do {	1318	$cf::PLAYER{$_[0]} || do {
972	my $pl = load_pl path $login	1319	# rename old playerfiles to new ones
		1320	#TODO: remove when no longer required
		1321	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1322	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1323	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1324	aio_unlink +(playerdir $login) . "/$login.pl";
		1325
		1326	my $f = new_from_file cf::object::thawer path $login
973	or return;	1327	or return;
		1328
		1329	$f->next;
		1330	my $pl = cf::player::load_pl $f
		1331	or return;
		1332	local $cf::PLAYER_LOADING{$login} = $pl;
		1333	$f->resolve_delayed_derefs;
974	$cf::PLAYER{$login} = $pl	1334	$cf::PLAYER{$login} = $pl
975	}	1335	}
976	}	1336	}
977	}	1337	}
978		1338
…		…
988		1348
989	aio_mkdir playerdir $pl, 0770;	1349	aio_mkdir playerdir $pl, 0770;
990	$pl->{last_save} = $cf::RUNTIME;	1350	$pl->{last_save} = $cf::RUNTIME;
991		1351
992	$pl->save_pl ($path);	1352	$pl->save_pl ($path);
993	Coro::cede;	1353	cf::cede_to_tick;
994	}	1354	}
995		1355
996	sub new($) {	1356	sub new($) {
997	my ($login) = @_;	1357	my ($login) = @_;
998		1358
…		…
1004	$cf::PLAYER{$login} = $self;	1364	$cf::PLAYER{$login} = $self;
1005		1365
1006	$self	1366	$self
1007	}	1367	}
1008		1368
		1369	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1370
		1371	=cut
		1372
		1373	sub send_msg {
		1374	my $ns = shift->ns
		1375	or return;
		1376	$ns->send_msg (@_);
		1377	}
		1378
1009	=item $pl->quit_character	1379	=item $pl->quit_character
1010		1380
1011	Nukes the player without looking back. If logged in, the connection will	1381	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1382	be destroyed. May block for a long time.
1013		1383
1014	=cut	1384	=cut
1015		1385
1016	sub quit_character {	1386	sub quit_character {
1017	my ($pl) = @_;	1387	my ($pl) = @_;
		1388
		1389	my $name = $pl->ob->name;
1018		1390
1019	$pl->{deny_save} = 1;	1391	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1392	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1393
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1394	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1399	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1400	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1401	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1402	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1403	$pl->destroy;
		1404
		1405	my $prefix = qr<^~\Q$name\E/>;
		1406
		1407	# nuke player maps
		1408	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1409
1032	IO::AIO::aio_rmtree $temp;	1410	IO::AIO::aio_rmtree $temp;
		1411	}
		1412
		1413	=item $pl->kick
		1414
		1415	Kicks a player out of the game. This destroys the connection.
		1416
		1417	=cut
		1418
		1419	sub kick {
		1420	my ($pl, $kicker) = @_;
		1421
		1422	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1423	$pl->killer ("kicked");
		1424	$pl->ns->destroy;
1033	}	1425	}
1034		1426
1035	=item cf::player::list_logins	1427	=item cf::player::list_logins
1036		1428
1037	Returns am arrayref of all valid playernames in the system, can take a	1429	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1430	while and may block, so not sync_job-capable, ever.
1039		1431
1040	=cut	1432	=cut
1041		1433
1042	sub list_logins {	1434	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1435	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1436	or return [];
1045		1437
1046	my @logins;	1438	my @logins;
1047		1439
1048	for my $login (@$dirs) {	1440	for my $login (@$dirs) {
		1441	my $path = path $login;
		1442
		1443	# a .pst is a dead give-away for a valid player
		1444	unless (-e "$path.pst") {
1049	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1445	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1050	aio_read $fh, 0, 512, my $buf, 0 or next;	1446	aio_read $fh, 0, 512, my $buf, 0 or next;
1051	$buf !~ /^password -------------$/m or next; # official not-valid tag	1447	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1448	}
1052		1449
1053	utf8::decode $login;	1450	utf8::decode $login;
1054	push @logins, $login;	1451	push @logins, $login;
1055	}	1452	}
1056		1453
…		…
1064		1461
1065	=cut	1462	=cut
1066		1463
1067	sub maps($) {	1464	sub maps($) {
1068	my ($pl) = @_;	1465	my ($pl) = @_;
		1466
		1467	$pl = ref $pl ? $pl->ob->name : $pl;
1069		1468
1070	my $files = aio_readdir playerdir $pl	1469	my $files = aio_readdir playerdir $pl
1071	or return;	1470	or return;
1072		1471
1073	my @paths;	1472	my @paths;
…		…
1075	for (@$files) {	1474	for (@$files) {
1076	utf8::decode $_;	1475	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1476	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1477	next unless /^$PATH_SEP/o;
1079		1478
1080	s/\.map$//;	1479	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1480	}
1083		1481
1084	\@paths	1482	\@paths
1085	}	1483	}
1086		1484
		1485	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1486
		1487	Expand crossfire pod fragments into protocol xml.
		1488
		1489	=cut
		1490
		1491	sub expand_cfpod {
		1492	((my $self), (local $_)) = @_;
		1493
		1494	# escape & and <
		1495	s/&/&amp;/g;
		1496	s/(?<![BIUGHT])</&lt;/g;
		1497
		1498	# this is buggy, it needs to properly take care of nested <'s
		1499
		1500	1 while
		1501	# replace B<>, I<>, U<> etc.
		1502	s/B<([^\>]*)>/<b>$1<\/b>/
		1503	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1504	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1505	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1506	# replace G<male|female> tags
		1507	|| s{G<([^>|]*)\|([^>]*)>}{
		1508	$self->gender ? $2 : $1
		1509	}ge
		1510	# replace H<hint text>
		1511	|| s{H<([^\>]*)>}
		1512	{
		1513	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1514	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1515	"")
		1516	[$self->{hintmode}]
		1517	}ge;
		1518
		1519	# create single paragraphs (very hackish)
		1520	s/(?<=\S)\n(?=\w)/ /g;
		1521
		1522	# compress some whitespace
		1523	s/\s+\n/\n/g; # ws line-ends
		1524	s/\n\n+/\n/g; # double lines
		1525	s/^\n+//; # beginning lines
		1526	s/\n+$//; # ending lines
		1527
		1528	$_
		1529	}
		1530
		1531	sub hintmode {
		1532	$_[0]{hintmode} = $_[1] if @_ > 1;
		1533	$_[0]{hintmode}
		1534	}
		1535
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1536	=item $player->ext_reply ($msgid, @msg)
1088		1537
1089	Sends an ext reply to the player.	1538	Sends an ext reply to the player.
1090		1539
1091	=cut	1540	=cut
1092		1541
1093	sub ext_reply($$$%) {	1542	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1543	my ($self, $id, @msg) = @_;
1095		1544
1096	$msg{msgid} = $id;	1545	$self->ns->ext_reply ($id, @msg)
1097
1098	$self->send ("ext " . cf::to_json \%msg);
1099	}	1546	}
1100		1547
1101	package cf;	1548	=item $player->ext_msg ($type, @msg)
		1549
		1550	Sends an ext event to the client.
		1551
		1552	=cut
		1553
		1554	sub ext_msg($$@) {
		1555	my ($self, $type, @msg) = @_;
		1556
		1557	$self->ns->ext_msg ($type, @msg);
		1558	}
		1559
		1560	=head3 cf::region
		1561
		1562	=over 4
		1563
		1564	=cut
		1565
		1566	package cf::region;
		1567
		1568	=item cf::region::find_by_path $path
		1569
		1570	Tries to decuce the likely region for a map knowing only its path.
		1571
		1572	=cut
		1573
		1574	sub find_by_path($) {
		1575	my ($path) = @_;
		1576
		1577	my ($match, $specificity);
		1578
		1579	for my $region (list) {
		1580	if ($region->{match} && $path =~ $region->{match}) {
		1581	($match, $specificity) = ($region, $region->specificity)
		1582	if $region->specificity > $specificity;
		1583	}
		1584	}
		1585
		1586	$match
		1587	}
1102		1588
1103	=back	1589	=back
1104
1105		1590
1106	=head3 cf::map	1591	=head3 cf::map
1107		1592
1108	=over 4	1593	=over 4
1109		1594
…		…
1137	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1622	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138	(cf::region::find $rmp->{region}), $rmp->{custom}	1623	(cf::region::find $rmp->{region}), $rmp->{custom}
1139	)	1624	)
1140	}	1625	}
1141		1626
		1627	=item cf::map->register ($regex, $prio)
		1628
		1629	Register a handler for the map path matching the given regex at the
		1630	givne priority (higher is better, built-in handlers have priority 0, the
		1631	default).
		1632
		1633	=cut
		1634
1142	sub register {	1635	sub register {
1143	my (undef, $regex) = @_;	1636	my (undef, $regex, $prio) = @_;
1144	my $pkg = caller;	1637	my $pkg = caller;
1145		1638
1146	no strict;	1639	no strict;
1147	push @{"$pkg\::ISA"}, __PACKAGE__;	1640	push @{"$pkg\::ISA"}, __PACKAGE__;
1148		1641
1149	$EXT_MAP{$pkg} = qr<$regex>;	1642	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150	}	1643	}
1151		1644
1152	# also paths starting with '/'	1645	# also paths starting with '/'
1153	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1646	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154		1647
1155	sub thawer_merge {	1648	sub thawer_merge {
1156	my ($self, $merge) = @_;	1649	my ($self, $merge) = @_;
1157		1650
1158	# we have to keep some variables in memory intact	1651	# we have to keep some variables in memory intact
1159	local $self->{path};	1652	local $self->{path};
1160	local $self->{load_path};	1653	local $self->{load_path};
1161	local $self->{deny_save};
1162	local $self->{deny_reset};
1163		1654
1164	$self->SUPER::thawer_merge ($merge);	1655	$self->SUPER::thawer_merge ($merge);
1165	}	1656	}
1166		1657
1167	sub normalise {	1658	sub normalise {
1168	my ($path, $base) = @_;	1659	my ($path, $base) = @_;
		1660
		1661	$path = "$path"; # make sure its a string
		1662
		1663	$path =~ s/\.map$//;
1169		1664
1170	# map plan:	1665	# map plan:
1171	#	1666	#
1172	# /! non-realised random map exit (special hack!)	1667	# /! non-realised random map exit (special hack!)
1173	# {... are special paths that are not being touched	1668	# {... are special paths that are not being touched
…		…
1201		1696
1202	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1697	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203		1698
1204	$path = normalise $path, $base;	1699	$path = normalise $path, $base;
1205		1700
1206	for my $pkg (keys %EXT_MAP) {	1701	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207	if ($path =~ $EXT_MAP{$pkg}) {	1702	if ($path =~ $EXT_MAP{$pkg}[1]) {
1208	my $self = bless cf::map::new, $pkg;	1703	my $self = bless cf::map::new, $pkg;
1209	$self->{path} = $path; $self->path ($path);	1704	$self->{path} = $path; $self->path ($path);
1210	$self->init; # pass $1 etc.	1705	$self->init; # pass $1 etc.
1211	return $self;	1706	return $self;
1212	}	1707	}
1213	}	1708	}
1214		1709
1215	Carp::carp "unable to resolve path '$path'.";	1710	Carp::cluck "unable to resolve path '$path' (base '$base').";
1216	()	1711	()
1217	}	1712	}
1218		1713
1219	sub init {	1714	sub init {
1220	my ($self) = @_;	1715	my ($self) = @_;
…		…
1235		1730
1236	# the original (read-only) location	1731	# the original (read-only) location
1237	sub load_path {	1732	sub load_path {
1238	my ($self) = @_;	1733	my ($self) = @_;
1239		1734
1240	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1735	"$MAPDIR/$self->{path}.map"
1241	}	1736	}
1242		1737
1243	# the temporary/swap location	1738	# the temporary/swap location
1244	sub save_path {	1739	sub save_path {
1245	my ($self) = @_;	1740	my ($self) = @_;
1246		1741
1247	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1248	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1743	"$TMPDIR/$path.map"
1249	}	1744	}
1250		1745
1251	# the unique path, undef == no special unique path	1746	# the unique path, undef == no special unique path
1252	sub uniq_path {	1747	sub uniq_path {
1253	my ($self) = @_;	1748	my ($self) = @_;
1254		1749
1255	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1750	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1256	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1751	"$UNIQUEDIR/$path"
1257	}	1752	}
1258		1753
1259	# and all this just because we cannot iterate over	1754	# and all this just because we cannot iterate over
1260	# all maps in C++...	1755	# all maps in C++...
1261	sub change_all_map_light {	1756	sub change_all_map_light {
…		…
1263		1758
1264	$_->change_map_light ($change)	1759	$_->change_map_light ($change)
1265	for grep $_->outdoor, values %cf::MAP;	1760	for grep $_->outdoor, values %cf::MAP;
1266	}	1761	}
1267		1762
		1763	sub decay_objects {
		1764	my ($self) = @_;
		1765
		1766	return if $self->{deny_reset};
		1767
		1768	$self->do_decay_objects;
		1769	}
		1770
1268	sub unlink_save {	1771	sub unlink_save {
1269	my ($self) = @_;	1772	my ($self) = @_;
1270		1773
1271	utf8::encode (my $save = $self->save_path);	1774	utf8::encode (my $save = $self->save_path);
1272	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1775	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1275		1778
1276	sub load_header_from($) {	1779	sub load_header_from($) {
1277	my ($self, $path) = @_;	1780	my ($self, $path) = @_;
1278		1781
1279	utf8::encode $path;	1782	utf8::encode $path;
1280	aio_open $path, O_RDONLY, 0	1783	my $f = new_from_file cf::object::thawer $path
1281	or return;	1784	or return;
1282		1785
1283	$self->_load_header ($path)	1786	$self->_load_header ($f)
1284	or return;	1787	or return;
1285		1788
		1789	local $MAP_LOADING{$self->{path}} = $self;
		1790	$f->resolve_delayed_derefs;
		1791
1286	$self->{load_path} = $path;	1792	$self->{load_path} = $path;
1287		1793
1288	1	1794	1
1289	}	1795	}
1290		1796
1291	sub load_orig {	1797	sub load_header_orig {
1292	my ($self) = @_;	1798	my ($self) = @_;
1293		1799
1294	$self->load_header_from ($self->load_path)	1800	$self->load_header_from ($self->load_path)
1295	}	1801	}
1296		1802
1297	sub load_temp {	1803	sub load_header_temp {
1298	my ($self) = @_;	1804	my ($self) = @_;
1299		1805
1300	$self->load_header_from ($self->save_path)	1806	$self->load_header_from ($self->save_path)
		1807	}
		1808
		1809	sub prepare_temp {
		1810	my ($self) = @_;
		1811
		1812	$self->last_access ((delete $self->{last_access})
		1813	|| $cf::RUNTIME); #d#
		1814	# safety
		1815	$self->{instantiate_time} = $cf::RUNTIME
		1816	if $self->{instantiate_time} > $cf::RUNTIME;
		1817	}
		1818
		1819	sub prepare_orig {
		1820	my ($self) = @_;
		1821
		1822	$self->{load_original} = 1;
		1823	$self->{instantiate_time} = $cf::RUNTIME;
		1824	$self->last_access ($cf::RUNTIME);
		1825	$self->instantiate;
1301	}	1826	}
1302		1827
1303	sub load_header {	1828	sub load_header {
1304	my ($self) = @_;	1829	my ($self) = @_;
1305		1830
1306	if ($self->load_temp) {	1831	if ($self->load_header_temp) {
1307	$self->last_access ((delete $self->{last_access})	1832	$self->prepare_temp;
1308	|| $cf::RUNTIME); #d#
1309	# safety
1310	$self->{instantiate_time} = $cf::RUNTIME
1311	if $self->{instantiate_time} > $cf::RUNTIME;
1312	} else {	1833	} else {
1313	$self->load_orig	1834	$self->load_header_orig
1314	or return;	1835	or return;
1315		1836	$self->prepare_orig;
1316	$self->{load_original} = 1;
1317	$self->{instantiate_time} = $cf::RUNTIME;
1318	$self->last_access ($cf::RUNTIME);
1319	$self->instantiate;
1320	}	1837	}
		1838
		1839	$self->{deny_reset} = 1
		1840	if $self->no_reset;
		1841
		1842	$self->default_region (cf::region::find_by_path $self->{path})
		1843	unless $self->default_region;
1321		1844
1322	1	1845	1
1323	}	1846	}
1324		1847
1325	sub find;	1848	sub find;
1326	sub find {	1849	sub find {
1327	my ($path, $origin) = @_;	1850	my ($path, $origin) = @_;
1328		1851
1329	$path = normalise $path, $origin && $origin->path;	1852	$path = normalise $path, $origin && $origin->path;
1330		1853
		1854	cf::lock_wait "map_data:$path";#d#remove
1331	cf::lock_wait "map_find:$path";	1855	cf::lock_wait "map_find:$path";
1332		1856
1333	$cf::MAP{$path} || do {	1857	$cf::MAP{$path} || do {
1334	my $guard = cf::lock_acquire "map_find:$path";	1858	my $guard1 = cf::lock_acquire "map_find:$path";
		1859	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1860
1335	my $map = new_from_path cf::map $path	1861	my $map = new_from_path cf::map $path
1336	or return;	1862	or return;
1337		1863
1338	$map->{last_save} = $cf::RUNTIME;	1864	$map->{last_save} = $cf::RUNTIME;
1339		1865
1340	$map->load_header	1866	$map->load_header
1341	or return;	1867	or return;
1342		1868
1343	if ($map->should_reset) {	1869	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1870	# doing this can freeze the server in a sync job, obviously
1344	$cf::WAIT_FOR_TICK->wait;	1871	#$cf::WAIT_FOR_TICK->wait;
		1872	undef $guard1;
		1873	undef $guard2;
1345	$map->reset;	1874	$map->reset;
1346	undef $guard;
1347	$map = find $path	1875	return find $path;
1348	or return;
1349	}	1876	}
1350		1877
1351	$cf::MAP{$path} = $map	1878	$cf::MAP{$path} = $map
1352	}	1879	}
1353	}	1880	}
		1881
		1882	sub pre_load { }
		1883	sub post_load { }
1354		1884
1355	sub load {	1885	sub load {
1356	my ($self) = @_;	1886	my ($self) = @_;
1357		1887
		1888	local $self->{deny_reset} = 1; # loading can take a long time
		1889
1358	my $path = $self->{path};	1890	my $path = $self->{path};
		1891
		1892	{
1359	my $guard = cf::lock_acquire "map_load:$path";	1893	my $guard = cf::lock_acquire "map_data:$path";
1360		1894
		1895	return unless $self->valid;
1361	return if $self->in_memory != cf::MAP_SWAPPED;	1896	return if $self->in_memory != cf::MAP_SWAPPED;
1362		1897
1363	$self->in_memory (cf::MAP_LOADING);	1898	$self->in_memory (cf::MAP_LOADING);
1364		1899
1365	$self->alloc;	1900	$self->alloc;
1366	$self->_load_objects ($self->{load_path}, 1)	1901
		1902	$self->pre_load;
		1903	cf::cede_to_tick;
		1904
		1905	my $f = new_from_file cf::object::thawer $self->{load_path};
		1906	$f->skip_block;
		1907	$self->_load_objects ($f)
1367	or return;	1908	or return;
1368		1909
1369	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1910	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1370	if delete $self->{load_original};	1911	if delete $self->{load_original};
1371		1912
1372	if (my $uniq = $self->uniq_path) {	1913	if (my $uniq = $self->uniq_path) {
1373	utf8::encode $uniq;	1914	utf8::encode $uniq;
1374	if (aio_open $uniq, O_RDONLY, 0) {	1915	unless (aio_stat $uniq) {
		1916	if (my $f = new_from_file cf::object::thawer $uniq) {
1375	$self->clear_unique_items;	1917	$self->clear_unique_items;
1376	$self->_load_objects ($uniq, 0);	1918	$self->_load_objects ($f);
		1919	$f->resolve_delayed_derefs;
		1920	}
1377	}	1921	}
1378	}	1922	}
1379		1923
1380	Coro::cede;	1924	$f->resolve_delayed_derefs;
1381		1925
		1926	cf::cede_to_tick;
1382	# now do the right thing for maps	1927	# now do the right thing for maps
1383	$self->link_multipart_objects;	1928	$self->link_multipart_objects;
1384
1385	unless ($self->{deny_activate}) {
1386	$self->decay_objects;
1387	$self->fix_auto_apply;
1388	$self->update_buttons;
1389	Coro::cede;
1390	$self->set_darkness_map;
1391	$self->difficulty ($self->estimate_difficulty)	1929	$self->difficulty ($self->estimate_difficulty)
1392	unless $self->difficulty;	1930	unless $self->difficulty;
1393	Coro::cede;	1931	cf::cede_to_tick;
		1932
		1933	unless ($self->{deny_activate}) {
		1934	$self->decay_objects;
		1935	$self->fix_auto_apply;
		1936	$self->update_buttons;
		1937	cf::cede_to_tick;
		1938	$self->set_darkness_map;
		1939	cf::cede_to_tick;
1394	$self->activate;	1940	$self->activate;
1395	}	1941	}
1396		1942
		1943	$self->{last_save} = $cf::RUNTIME;
		1944	$self->last_access ($cf::RUNTIME);
		1945
1397	$self->in_memory (cf::MAP_IN_MEMORY);	1946	$self->in_memory (cf::MAP_IN_MEMORY);
		1947	}
		1948
		1949	$self->post_load;
1398	}	1950	}
1399		1951
1400	sub customise_for {	1952	sub customise_for {
1401	my ($self, $ob) = @_;	1953	my ($self, $ob) = @_;
1402		1954
1403	return find "~" . $ob->name . "/" . $self->{path}	1955	return find "~" . $ob->name . "/" . $self->{path}
1404	if $self->per_player;	1956	if $self->per_player;
1405		1957
		1958	# return find "?party/" . $ob->name . "/" . $self->{path}
		1959	# if $self->per_party;
		1960
1406	$self	1961	$self
1407	}	1962	}
1408		1963
1409	# find and load all maps in the 3x3 area around a map	1964	# find and load all maps in the 3x3 area around a map
1410	sub load_diag {	1965	sub load_neighbours {
1411	my ($map) = @_;	1966	my ($map) = @_;
1412		1967
1413	my @diag; # diagonal neighbours	1968	my @neigh; # diagonal neighbours
1414		1969
1415	for (0 .. 3) {	1970	for (0 .. 3) {
1416	my $neigh = $map->tile_path ($_)	1971	my $neigh = $map->tile_path ($_)
1417	or next;	1972	or next;
1418	$neigh = find $neigh, $map	1973	$neigh = find $neigh, $map
1419	or next;	1974	or next;
1420	$neigh->load;	1975	$neigh->load;
1421		1976
		1977	push @neigh,
1422	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1978	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1423	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1979	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1424	}	1980	}
1425		1981
1426	for (@diag) {	1982	for (grep defined $_->[0], @neigh) {
		1983	my ($path, $origin) = @$_;
1427	my $neigh = find @$_	1984	my $neigh = find $path, $origin
1428	or next;	1985	or next;
1429	$neigh->load;	1986	$neigh->load;
1430	}	1987	}
1431	}	1988	}
1432		1989
…		…
1437	}	1994	}
1438		1995
1439	sub do_load_sync {	1996	sub do_load_sync {
1440	my ($map) = @_;	1997	my ($map) = @_;
1441		1998
		1999	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2000	if $Coro::current == $Coro::main;
		2001
1442	cf::sync_job { $map->load };	2002	cf::sync_job { $map->load };
1443	}	2003	}
1444		2004
1445	our %MAP_PREFETCH;	2005	our %MAP_PREFETCH;
1446	our $MAP_PREFETCHER = Coro::async {	2006	our $MAP_PREFETCHER = undef;
1447	while () {
1448	for my $path (keys %MAP_PREFETCH) {
1449	my $map = find $path
1450	or next;
1451	$map->load;
1452
1453	delete $MAP_PREFETCH{$path};
1454	}
1455	Coro::schedule;
1456	}
1457	};
1458		2007
1459	sub find_async {	2008	sub find_async {
1460	my ($path, $origin) = @_;	2009	my ($path, $origin, $load) = @_;
1461		2010
1462	$path = normalise $path, $origin && $origin->{path};	2011	$path = normalise $path, $origin && $origin->{path};
1463		2012
1464	if (my $map = $cf::MAP{$path}) {	2013	if (my $map = $cf::MAP{$path}) {
1465	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2014	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2015	}
		2016
		2017	$MAP_PREFETCH{$path} |= $load;
		2018
		2019	$MAP_PREFETCHER ||= cf::async {
		2020	while (%MAP_PREFETCH) {
		2021	while (my ($k, $v) = each %MAP_PREFETCH) {
		2022	if (my $map = find $k) {
		2023	$map->load if $v;
		2024	}
		2025
		2026	delete $MAP_PREFETCH{$k};
		2027	}
		2028	}
		2029	undef $MAP_PREFETCHER;
1466	}	2030	};
1467
1468	$MAP_PREFETCH{$path} = 0;
1469	$MAP_PREFETCHER->ready;	2031	$MAP_PREFETCHER->prio (6);
1470		2032
1471	()	2033	()
1472	}	2034	}
1473		2035
1474	sub save {	2036	sub save {
1475	my ($self) = @_;	2037	my ($self) = @_;
1476		2038
1477	my $lock = cf::lock_acquire "map_data:" . $self->path;	2039	my $lock = cf::lock_acquire "map_data:$self->{path}";
1478		2040
1479	$self->{last_save} = $cf::RUNTIME;	2041	$self->{last_save} = $cf::RUNTIME;
1480		2042
1481	return unless $self->dirty;	2043	return unless $self->dirty;
1482		2044
…		…
1505	my ($self) = @_;	2067	my ($self) = @_;
1506		2068
1507	# save first because save cedes	2069	# save first because save cedes
1508	$self->save;	2070	$self->save;
1509		2071
1510	my $lock = cf::lock_acquire "map_data:" . $self->path;	2072	my $lock = cf::lock_acquire "map_data:$self->{path}";
1511		2073
1512	return if $self->players;	2074	return if $self->players;
1513	return if $self->in_memory != cf::MAP_IN_MEMORY;	2075	return if $self->in_memory != cf::MAP_IN_MEMORY;
1514	return if $self->{deny_save};	2076	return if $self->{deny_save};
1515		2077
		2078	$self->deactivate;
1516	$self->clear;	2079	$self->clear;
1517	$self->in_memory (cf::MAP_SWAPPED);	2080	$self->in_memory (cf::MAP_SWAPPED);
1518	}	2081	}
1519		2082
1520	sub reset_at {	2083	sub reset_at {
1521	my ($self) = @_;	2084	my ($self) = @_;
1522		2085
1523	# TODO: safety, remove and allow resettable per-player maps	2086	# TODO: safety, remove and allow resettable per-player maps
1524	return 1e99 if $self->isa ("ext::map_per_player");#d#
1525	return 1e99 if $self->{deny_reset};	2087	return 1e99 if $self->{deny_reset};
1526		2088
1527	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2089	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1528	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2090	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1529		2091
…		…
1540	my ($self) = @_;	2102	my ($self) = @_;
1541		2103
1542	my $lock = cf::lock_acquire "map_data:$self->{path}";	2104	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2105
1544	return if $self->players;	2106	return if $self->players;
1545	return if $self->isa ("ext::map_per_player");#d#
1546		2107
1547	warn "resetting map ", $self->path;#d#	2108	warn "resetting map ", $self->path;
		2109
		2110	$self->in_memory (cf::MAP_SWAPPED);
		2111
		2112	# need to save uniques path
		2113	unless ($self->{deny_save}) {
		2114	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2115
		2116	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2117	if $uniq;
		2118	}
1548		2119
1549	delete $cf::MAP{$self->path};	2120	delete $cf::MAP{$self->path};
1550		2121
1551	$self->in_memory (cf::MAP_SWAPPED);	2122	$self->deactivate;
1552	$self->clear;	2123	$self->clear;
1553		2124
1554	$_->clear_links_to ($self) for values %cf::MAP;	2125	$_->clear_links_to ($self) for values %cf::MAP;
1555		2126
1556	$self->unlink_save;	2127	$self->unlink_save;
…		…
1560	my $nuke_counter = "aaaa";	2131	my $nuke_counter = "aaaa";
1561		2132
1562	sub nuke {	2133	sub nuke {
1563	my ($self) = @_;	2134	my ($self) = @_;
1564		2135
		2136	{
		2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2138
1565	delete $cf::MAP{$self->path};	2139	delete $cf::MAP{$self->path};
1566		2140
1567	$self->unlink_save;	2141	$self->unlink_save;
1568		2142
1569	bless $self, "cf::map";	2143	bless $self, "cf::map";
1570	delete $self->{deny_reset};	2144	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2145	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2146	$self->reset_timeout (1);
1573	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2147	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1574		2148
1575	$cf::MAP{$self->path} = $self;	2149	$cf::MAP{$self->path} = $self;
		2150	}
1576		2151
1577	$self->reset; # polite request, might not happen	2152	$self->reset; # polite request, might not happen
		2153	}
		2154
		2155	=item $maps = cf::map::tmp_maps
		2156
		2157	Returns an arrayref with all map paths of currently instantiated and saved
		2158	maps. May block.
		2159
		2160	=cut
		2161
		2162	sub tmp_maps() {
		2163	[
		2164	map {
		2165	utf8::decode $_;
		2166	/\.map$/
		2167	? normalise $_
		2168	: ()
		2169	} @{ aio_readdir $TMPDIR or [] }
		2170	]
		2171	}
		2172
		2173	=item $maps = cf::map::random_maps
		2174
		2175	Returns an arrayref with all map paths of currently instantiated and saved
		2176	random maps. May block.
		2177
		2178	=cut
		2179
		2180	sub random_maps() {
		2181	[
		2182	map {
		2183	utf8::decode $_;
		2184	/\.map$/
		2185	? normalise "?random/$_"
		2186	: ()
		2187	} @{ aio_readdir $RANDOMDIR or [] }
		2188	]
1578	}	2189	}
1579		2190
1580	=item cf::map::unique_maps	2191	=item cf::map::unique_maps
1581		2192
1582	Returns an arrayref of paths of all shared maps that have	2193	Returns an arrayref of paths of all shared maps that have
1583	instantiated unique items. May block.	2194	instantiated unique items. May block.
1584		2195
1585	=cut	2196	=cut
1586		2197
1587	sub unique_maps() {	2198	sub unique_maps() {
1588	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2199	[
1589	or return;	2200	map {
1590
1591	my @paths;
1592
1593	for (@$files) {
1594	utf8::decode $_;	2201	utf8::decode $_;
1595	next if /\.pst$/;
1596	next unless /^$PATH_SEP/o;
1597
1598	s/\.map$//;	2202	/\.map$/
1599	push @paths, $_;	2203	? normalise $_
		2204	: ()
		2205	} @{ aio_readdir $UNIQUEDIR or [] }
1600	}	2206	]
1601
1602	\@paths
1603	}	2207	}
1604		2208
1605	package cf;	2209	package cf;
1606		2210
1607	=back	2211	=back
…		…
1625	map { $_, inv_recursive_ $_->inv } @_	2229	map { $_, inv_recursive_ $_->inv } @_
1626	}	2230	}
1627		2231
1628	sub inv_recursive {	2232	sub inv_recursive {
1629	inv_recursive_ inv $_[0]	2233	inv_recursive_ inv $_[0]
		2234	}
		2235
		2236	=item $ref = $ob->ref
		2237
		2238	creates and returns a persistent reference to an objetc that can be stored as a string.
		2239
		2240	=item $ob = cf::object::deref ($refstring)
		2241
		2242	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2243	even if the object actually exists. May block.
		2244
		2245	=cut
		2246
		2247	sub deref {
		2248	my ($ref) = @_;
		2249
		2250	# temporary compatibility#TODO#remove
		2251	$ref =~ s{^<}{player/<};
		2252
		2253	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2254	my ($uuid, $name) = ($1, $2);
		2255	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2256	or return;
		2257	$pl->ob->uuid eq $uuid
		2258	or return;
		2259
		2260	$pl->ob
		2261	} else {
		2262	warn "$ref: cannot resolve object reference\n";
		2263	undef
		2264	}
1630	}	2265	}
1631		2266
1632	package cf;	2267	package cf;
1633		2268
1634	=back	2269	=back
…		…
1653		2288
1654	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2289	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1655		2290
1656	if ($self->{record_replies}) {	2291	if ($self->{record_replies}) {
1657	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2292	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2293
1658	} else {	2294	} else {
		2295	my $pl = $self->contr;
		2296
		2297	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2298	my $dialog = $pl->{npc_dialog};
		2299	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2300
		2301	} else {
1659	$msg = $npc->name . " says: $msg" if $npc;	2302	$msg = $npc->name . " says: $msg" if $npc;
1660	$self->message ($msg, $flags);	2303	$self->message ($msg, $flags);
		2304	}
1661	}	2305	}
		2306	}
		2307
		2308	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2309
		2310	=cut
		2311
		2312	sub cf::object::send_msg {
		2313	my $pl = shift->contr
		2314	or return;
		2315	$pl->send_msg (@_);
1662	}	2316	}
1663		2317
1664	=item $player_object->may ("access")	2318	=item $player_object->may ("access")
1665		2319
1666	Returns wether the given player is authorized to access resource "access"	2320	Returns wether the given player is authorized to access resource "access"
…		…
1698	=cut	2352	=cut
1699		2353
1700	sub link_map {	2354	sub link_map {
1701	unless ($LINK_MAP) {	2355	unless ($LINK_MAP) {
1702	$LINK_MAP = cf::map::find "{link}"	2356	$LINK_MAP = cf::map::find "{link}"
1703	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2357	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1704	$LINK_MAP->load;	2358	$LINK_MAP->load;
1705	}	2359	}
1706		2360
1707	$LINK_MAP	2361	$LINK_MAP
1708	}	2362	}
…		…
1713	$self->deactivate_recursive;	2367	$self->deactivate_recursive;
1714		2368
1715	return if UNIVERSAL::isa $self->map, "ext::map_link";	2369	return if UNIVERSAL::isa $self->map, "ext::map_link";
1716		2370
1717	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2371	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1718	if $self->map;	2372	if $self->map && $self->map->{path} ne "{link}";
1719		2373
1720	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2374	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1721	}	2375	}
1722		2376
1723	sub cf::object::player::leave_link {	2377	sub cf::object::player::leave_link {
1724	my ($self, $map, $x, $y) = @_;	2378	my ($self, $map, $x, $y) = @_;
		2379
		2380	return unless $self->contr->active;
1725		2381
1726	my $link_pos = delete $self->{_link_pos};	2382	my $link_pos = delete $self->{_link_pos};
1727		2383
1728	unless ($map) {	2384	unless ($map) {
1729	# restore original map position	2385	# restore original map position
…		…
1743	# use -1 or undef as default coordinates, not 0, 0	2399	# use -1 or undef as default coordinates, not 0, 0
1744	($x, $y) = ($map->enter_x, $map->enter_y)	2400	($x, $y) = ($map->enter_x, $map->enter_y)
1745	if $x <=0 && $y <= 0;	2401	if $x <=0 && $y <= 0;
1746		2402
1747	$map->load;	2403	$map->load;
1748	$map->load_diag;	2404	$map->load_neighbours;
1749		2405
1750	return unless $self->contr->active;	2406	return unless $self->contr->active;
1751	$self->activate_recursive;	2407	$self->activate_recursive;
		2408
		2409	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1752	$self->enter_map ($map, $x, $y);	2410	$self->enter_map ($map, $x, $y);
1753	}	2411	}
1754		2412
1755	cf::player->attach (	2413	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1756	on_logout => sub {
1757	my ($pl) = @_;
1758		2414
1759	# abort map switching before logout	2415	Moves the player to the given map-path and coordinates by first freezing
1760	if ($pl->ob->{_link_pos}) {	2416	her, loading and preparing them map, calling the provided $check callback
1761	cf::sync_job {	2417	that has to return the map if sucecssful, and then unfreezes the player on
1762	$pl->ob->leave_link	2418	the new (success) or old (failed) map position. In either case, $done will
1763	};	2419	be called at the end of this process.
1764	}
1765	},
1766	on_login => sub {
1767	my ($pl) = @_;
1768		2420
1769	# try to abort aborted map switching on player login :)
1770	# should happen only on crashes
1771	if ($pl->ob->{_link_pos}) {
1772	$pl->ob->enter_link;
1773	(async {
1774	# we need this sleep as the login has a concurrent enter_exit running
1775	# and this sleep increases chances of the player not ending up in scorn
1776	$pl->ob->reply (undef,
1777	"There was an internal problem at your last logout, "
1778	. "the server will try to bring you to your intended destination in a second.",
1779	cf::NDI_RED);
1780	Coro::Timer::sleep 1;
1781	$pl->ob->leave_link;
1782	})->prio (2);
1783	}
1784	},
1785	);
1786
1787	=item $player_object->goto ($path, $x, $y)
1788
1789	=cut	2421	=cut
		2422
		2423	our $GOTOGEN;
1790		2424
1791	sub cf::object::player::goto {	2425	sub cf::object::player::goto {
1792	my ($self, $path, $x, $y) = @_;	2426	my ($self, $path, $x, $y, $check, $done) = @_;
		2427
		2428	# do generation counting so two concurrent goto's will be executed in-order
		2429	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1793		2430
1794	$self->enter_link;	2431	$self->enter_link;
1795		2432
1796	(async {	2433	(async {
		2434	my $map = eval {
1797	my $map = cf::map::find $path;	2435	my $map = cf::map::find $path;
		2436
		2437	if ($map) {
1798	$map = $map->customise_for ($self) if $map;	2438	$map = $map->customise_for ($self);
1799		2439	$map = $check->($map) if $check && $map;
1800	# warn "entering ", $map->path, " at ($x, $y)\n"	2440	} else {
1801	# if $map;
1802
1803	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2441	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2442	}
1804		2443
		2444	$map
		2445	};
		2446
		2447	if ($@) {
		2448	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2449	LOG llevError | logBacktrace, Carp::longmess $@;
		2450	}
		2451
		2452	if ($gen == $self->{_goto_generation}) {
		2453	delete $self->{_goto_generation};
1805	$self->leave_link ($map, $x, $y);	2454	$self->leave_link ($map, $x, $y);
		2455	}
		2456
		2457	$done->() if $done;
1806	})->prio (1);	2458	})->prio (1);
1807	}	2459	}
1808		2460
1809	=item $player_object->enter_exit ($exit_object)	2461	=item $player_object->enter_exit ($exit_object)
1810		2462
…		…
1812		2464
1813	sub parse_random_map_params {	2465	sub parse_random_map_params {
1814	my ($spec) = @_;	2466	my ($spec) = @_;
1815		2467
1816	my $rmp = { # defaults	2468	my $rmp = { # defaults
1817	xsize => -1,	2469	xsize => (cf::rndm 15, 40),
1818	ysize => -1,	2470	ysize => (cf::rndm 15, 40),
		2471	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2472	#layout => string,
1819	};	2473	};
1820		2474
1821	for (split /\n/, $spec) {	2475	for (split /\n/, $spec) {
1822	my ($k, $v) = split /\s+/, $_, 2;	2476	my ($k, $v) = split /\s+/, $_, 2;
1823		2477
…		…
1837	# that depends on the exit object	2491	# that depends on the exit object
1838		2492
1839	my $rmp = parse_random_map_params $exit->msg;	2493	my $rmp = parse_random_map_params $exit->msg;
1840		2494
1841	if ($exit->map) {	2495	if ($exit->map) {
1842	$rmp->{region} = $exit->map->region_name;	2496	$rmp->{region} = $exit->region->name;
1843	$rmp->{origin_map} = $exit->map->path;	2497	$rmp->{origin_map} = $exit->map->path;
1844	$rmp->{origin_x} = $exit->x;	2498	$rmp->{origin_x} = $exit->x;
1845	$rmp->{origin_y} = $exit->y;	2499	$rmp->{origin_y} = $exit->y;
1846	}	2500	}
1847		2501
1848	$rmp->{random_seed} ||= $exit->random_seed;	2502	$rmp->{random_seed} ||= $exit->random_seed;
1849		2503
1850	my $data = cf::to_json $rmp;	2504	my $data = cf::to_json $rmp;
1851	my $md5 = Digest::MD5::md5_hex $data;	2505	my $md5 = Digest::MD5::md5_hex $data;
1852	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2506	my $meta = "$RANDOMDIR/$md5.meta";
1853		2507
1854	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2508	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1855	aio_write $fh, 0, (length $data), $data, 0;	2509	aio_write $fh, 0, (length $data), $data, 0;
1856	undef $fh;	2510	undef $fh;
1857	aio_rename "$meta~", $meta;	2511	aio_rename "$meta~", $meta;
…		…
1864	sub cf::object::player::enter_exit {	2518	sub cf::object::player::enter_exit {
1865	my ($self, $exit) = @_;	2519	my ($self, $exit) = @_;
1866		2520
1867	return unless $self->type == cf::PLAYER;	2521	return unless $self->type == cf::PLAYER;
1868		2522
		2523	if ($exit->slaying eq "/!") {
		2524	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2525	# the problem is that $exit might not survive long enough
		2526	# so it needs to be done right now, right here
		2527	cf::sync_job { prepare_random_map $exit };
		2528	}
		2529
		2530	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2531	my $hp = $exit->stats->hp;
		2532	my $sp = $exit->stats->sp;
		2533
1869	$self->enter_link;	2534	$self->enter_link;
		2535
		2536	# if exit is damned, update players death & WoR home-position
		2537	$self->contr->savebed ($slaying, $hp, $sp)
		2538	if $exit->flag (FLAG_DAMNED);
1870		2539
1871	(async {	2540	(async {
1872	$self->deactivate_recursive; # just to be sure	2541	$self->deactivate_recursive; # just to be sure
1873	unless (eval {	2542	unless (eval {
1874	prepare_random_map $exit	2543	$self->goto ($slaying, $hp, $sp);
1875	if $exit->slaying eq "/!";
1876
1877	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1878	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1879		2544
1880	1;	2545	1;
1881	}) {	2546	}) {
1882	$self->message ("Something went wrong deep within the crossfire server. "	2547	$self->message ("Something went wrong deep within the crossfire server. "
1883	. "I'll try to bring you back to the map you were before. "	2548	. "I'll try to bring you back to the map you were before. "
1884	. "Please report this to the dungeon master!",	2549	. "Please report this to the dungeon master!",
1885	cf::NDI_UNIQUE | cf::NDI_RED);	2550	cf::NDI_UNIQUE | cf::NDI_RED);
1886		2551
1887	warn "ERROR in enter_exit: $@";	2552	warn "ERROR in enter_exit: $@";
1888	$self->leave_link;	2553	$self->leave_link;
1889	}	2554	}
1890	})->prio (1);	2555	})->prio (1);
…		…
1903		2568
1904	sub cf::client::send_drawinfo {	2569	sub cf::client::send_drawinfo {
1905	my ($self, $text, $flags) = @_;	2570	my ($self, $text, $flags) = @_;
1906		2571
1907	utf8::encode $text;	2572	utf8::encode $text;
1908	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2573	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1909	}	2574	}
1910		2575
		2576	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2577
		2578	Send a drawinfo or msg packet to the client, formatting the msg for the
		2579	client if neccessary. C<$type> should be a string identifying the type of
		2580	the message, with C<log> being the default. If C<$color> is negative, suppress
		2581	the message unless the client supports the msg packet.
		2582
		2583	=cut
		2584
		2585	our %CHANNEL = (
		2586	"c/identify" => {
		2587	id => "identify",
		2588	title => "Identify",
		2589	reply => undef,
		2590	tooltip => "Items recently identified",
		2591	},
		2592	"c/examine" => {
		2593	id => "examine",
		2594	title => "Examine",
		2595	reply => undef,
		2596	tooltip => "Signs and other items you examined",
		2597	},
		2598	);
		2599
		2600	sub cf::client::send_msg {
		2601	my ($self, $channel, $msg, $color, @extra) = @_;
		2602
		2603	$msg = $self->pl->expand_cfpod ($msg);
		2604
		2605	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2606
		2607	# check predefined channels, for the benefit of C
		2608	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2609
		2610	if (ref $channel) {
		2611	# send meta info to client, if not yet sent
		2612	unless (exists $self->{channel}{$channel->{id}}) {
		2613	$self->{channel}{$channel->{id}} = $channel;
		2614	$self->ext_msg (channel_info => $channel)
		2615	if $self->can_msg;
		2616	}
		2617
		2618	$channel = $channel->{id};
		2619	}
		2620
		2621	return unless @extra || length $msg;
		2622
		2623	if ($self->can_msg) {
		2624	# default colour, mask it out
		2625	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2626	if $color & cf::NDI_DEF;
		2627
		2628	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2629	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2630	} else {
		2631	if ($color >= 0) {
		2632	# replace some tags by gcfclient-compatible ones
		2633	for ($msg) {
		2634	1 while
		2635	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2636	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2637	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2638	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2639	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2640	}
		2641
		2642	$color &= cf::NDI_COLOR_MASK;
		2643
		2644	utf8::encode $msg;
		2645
		2646	if (0 && $msg =~ /\[/) {
		2647	# COMMAND/INFO
		2648	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2649	} else {
		2650	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2651	$self->send_packet ("drawinfo $color $msg")
		2652	}
		2653	}
		2654	}
		2655	}
		2656
		2657	=item $client->ext_msg ($type, @msg)
		2658
		2659	Sends an ext event to the client.
		2660
		2661	=cut
		2662
		2663	sub cf::client::ext_msg($$@) {
		2664	my ($self, $type, @msg) = @_;
		2665
		2666	if ($self->extcmd == 2) {
		2667	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2668	} elsif ($self->extcmd == 1) { # TODO: remove
		2669	push @msg, msgtype => "event_$type";
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2671	}
		2672	}
		2673
		2674	=item $client->ext_reply ($msgid, @msg)
		2675
		2676	Sends an ext reply to the client.
		2677
		2678	=cut
		2679
		2680	sub cf::client::ext_reply($$@) {
		2681	my ($self, $id, @msg) = @_;
		2682
		2683	if ($self->extcmd == 2) {
		2684	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2685	} elsif ($self->extcmd == 1) {
		2686	#TODO: version 1, remove
		2687	unshift @msg, msgtype => "reply", msgid => $id;
		2688	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2689	}
		2690	}
1911		2691
1912	=item $success = $client->query ($flags, "text", \&cb)	2692	=item $success = $client->query ($flags, "text", \&cb)
1913		2693
1914	Queues a query to the client, calling the given callback with	2694	Queues a query to the client, calling the given callback with
1915	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2695	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1916	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2696	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1917		2697
1918	Queries can fail, so check the return code. Or don't, as queries will become	2698	Queries can fail, so check the return code. Or don't, as queries will
1919	reliable at some point in the future.	2699	become reliable at some point in the future.
1920		2700
1921	=cut	2701	=cut
1922		2702
1923	sub cf::client::query {	2703	sub cf::client::query {
1924	my ($self, $flags, $text, $cb) = @_;	2704	my ($self, $flags, $text, $cb) = @_;
…		…
1932	utf8::encode $text;	2712	utf8::encode $text;
1933	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2713	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1934		2714
1935	$self->send_packet ($self->{query_queue}[0][0])	2715	$self->send_packet ($self->{query_queue}[0][0])
1936	if @{ $self->{query_queue} } == 1;	2716	if @{ $self->{query_queue} } == 1;
		2717
		2718	1
1937	}	2719	}
1938		2720
1939	cf::client->attach (	2721	cf::client->attach (
		2722	on_connect => sub {
		2723	my ($ns) = @_;
		2724
		2725	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2726	},
1940	on_reply => sub {	2727	on_reply => sub {
1941	my ($ns, $msg) = @_;	2728	my ($ns, $msg) = @_;
1942		2729
1943	# this weird shuffling is so that direct followup queries	2730	# this weird shuffling is so that direct followup queries
1944	# get handled first	2731	# get handled first
1945	my $queue = delete $ns->{query_queue}	2732	my $queue = delete $ns->{query_queue}
1946	or return; # be conservative, not sure how that can happen, but we saw a crash here	2733	or return; # be conservative, not sure how that can happen, but we saw a crash here
1947		2734
1948	(shift @$queue)->[1]->($msg);	2735	(shift @$queue)->[1]->($msg);
		2736	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1949		2737
1950	push @{ $ns->{query_queue} }, @$queue;	2738	push @{ $ns->{query_queue} }, @$queue;
1951		2739
1952	if (@{ $ns->{query_queue} } == @$queue) {	2740	if (@{ $ns->{query_queue} } == @$queue) {
1953	if (@$queue) {	2741	if (@$queue) {
…		…
1955	} else {	2743	} else {
1956	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2744	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1957	}	2745	}
1958	}	2746	}
1959	},	2747	},
		2748	on_exticmd => sub {
		2749	my ($ns, $buf) = @_;
		2750
		2751	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2752
		2753	if (ref $msg) {
		2754	my ($type, $reply, @payload) =
		2755	"ARRAY" eq ref $msg
		2756	? @$msg
		2757	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2758
		2759	my @reply;
		2760
		2761	if (my $cb = $EXTICMD{$type}) {
		2762	@reply = $cb->($ns, @payload);
		2763	}
		2764
		2765	$ns->ext_reply ($reply, @reply)
		2766	if $reply;
		2767
		2768	} else {
		2769	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2770	}
		2771
		2772	cf::override;
		2773	},
1960	);	2774	);
1961		2775
1962	=item $client->async (\&cb)	2776	=item $client->async (\&cb)
1963		2777
1964	Create a new coroutine, running the specified callback. The coroutine will	2778	Create a new coroutine, running the specified callback. The coroutine will
…		…
2005	our $safe = new Safe "safe";	2819	our $safe = new Safe "safe";
2006	our $safe_hole = new Safe::Hole;	2820	our $safe_hole = new Safe::Hole;
2007		2821
2008	$SIG{FPE} = 'IGNORE';	2822	$SIG{FPE} = 'IGNORE';
2009		2823
2010	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2824	$safe->permit_only (Opcode::opset qw(
		2825	:base_core :base_mem :base_orig :base_math
		2826	grepstart grepwhile mapstart mapwhile
		2827	sort time
		2828	));
2011		2829
2012	# here we export the classes and methods available to script code	2830	# here we export the classes and methods available to script code
2013		2831
2014	=pod	2832	=pod
2015		2833
2016	The following fucntions and emthods are available within a safe environment:	2834	The following functions and methods are available within a safe environment:
2017		2835
2018	cf::object contr pay_amount pay_player map	2836	cf::object
		2837	contr pay_amount pay_player map x y force_find force_add
		2838	insert remove name archname title slaying race decrease_ob_nr
		2839
2019	cf::object::player player	2840	cf::object::player
2020	cf::player peaceful	2841	player
2021	cf::map trigger	2842
		2843	cf::player
		2844	peaceful
		2845
		2846	cf::map
		2847	trigger
2022		2848
2023	=cut	2849	=cut
2024		2850
2025	for (	2851	for (
2026	["cf::object" => qw(contr pay_amount pay_player map)],	2852	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2853	insert remove inv name archname title slaying race
		2854	decrease_ob_nr)],
2027	["cf::object::player" => qw(player)],	2855	["cf::object::player" => qw(player)],
2028	["cf::player" => qw(peaceful)],	2856	["cf::player" => qw(peaceful)],
2029	["cf::map" => qw(trigger)],	2857	["cf::map" => qw(trigger)],
2030	) {	2858	) {
2031	no strict 'refs';	2859	no strict 'refs';
…		…
2102	=back	2930	=back
2103		2931
2104	=cut	2932	=cut
2105		2933
2106	#############################################################################	2934	#############################################################################
		2935	# the server's init and main functions
2107		2936
2108	=head2 EXTENSION DATABASE SUPPORT	2937	sub load_facedata($) {
		2938	my ($path) = @_;
2109		2939
2110	Crossfire maintains a very simple database for extension use. It can	2940	# HACK to clear player env face cache, we need some signal framework
2111	currently store anything that can be serialised using Storable, which	2941	# for this (global event?)
2112	excludes objects.	2942	%ext::player_env::MUSIC_FACE_CACHE = ();
2113		2943
2114	The parameter C<$family> should best start with the name of the extension	2944	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2115	using it, it should be unique.
2116		2945
2117	=over 4	2946	warn "loading facedata from $path\n";
2118		2947
2119	=item $hashref = cf::db_get $family	2948	my $facedata;
		2949	0 < aio_load $path, $facedata
		2950	or die "$path: $!";
2120		2951
2121	Return a hashref for use by the extension C<$family>, which can be	2952	$facedata = Coro::Storable::thaw $facedata;
2122	modified. After modifications, you have to call C<cf::db_dirty> or
2123	C<cf::db_sync>.
2124		2953
2125	=item $value = cf::db_get $family => $key	2954	$facedata->{version} == 2
		2955	or cf::cleanup "$path: version mismatch, cannot proceed.";
2126		2956
2127	Returns a single value from the database	2957	# patch in the exptable
2128		2958	$facedata->{resource}{"res/exp_table"} = {
2129	=item cf::db_put $family => $hashref	2959	type => FT_RSRC,
2130		2960	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2131	Stores the given family hashref into the database. Updates are delayed, if
2132	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2133
2134	=item cf::db_put $family => $key => $value
2135
2136	Stores the given C<$value> in the family hash. Updates are delayed, if you
2137	want the data to be synced to disk immediately, use C<cf::db_sync>.
2138
2139	=item cf::db_dirty
2140
2141	Marks the database as dirty, to be updated at a later time.
2142
2143	=item cf::db_sync
2144
2145	Immediately write the database to disk I<if it is dirty>.
2146
2147	=cut
2148
2149	our $DB;
2150
2151	{
2152	my $path = cf::localdir . "/database.pst";
2153
2154	sub db_load() {
2155	$DB = stat $path ? Storable::retrieve $path : { };
2156	}
2157
2158	my $pid;
2159
2160	sub db_save() {
2161	waitpid $pid, 0 if $pid;
2162	if (0 == ($pid = fork)) {
2163	$DB->{_meta}{version} = 1;
2164	Storable::nstore $DB, "$path~";
2165	rename "$path~", $path;
2166	cf::_exit 0 if defined $pid;
2167	}
2168	}
2169
2170	my $dirty;
2171
2172	sub db_sync() {
2173	db_save if $dirty;
2174	undef $dirty;
2175	}
2176
2177	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2178	db_sync;
2179	});	2961	};
		2962	cf::cede_to_tick;
2180		2963
2181	sub db_dirty() {
2182	$dirty = 1;
2183	$idle->start;
2184	}	2964	{
		2965	my $faces = $facedata->{faceinfo};
2185		2966
2186	sub db_get($;$) {	2967	while (my ($face, $info) = each %$faces) {
2187	@_ >= 2	2968	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2188	? $DB->{$_[0]}{$_[1]}	2969	cf::face::set_visibility $idx, $info->{visibility};
2189	: ($DB->{$_[0]} ||= { })	2970	cf::face::set_magicmap $idx, $info->{magicmap};
2190	}	2971	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2972	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2191		2973
2192	sub db_put($$;$) {	2974	cf::cede_to_tick;
2193	if (@_ >= 3) {
2194	$DB->{$_[0]}{$_[1]} = $_[2];
2195	} else {
2196	$DB->{$_[0]} = $_[1];
2197	}
2198	db_dirty;
2199	}
2200
2201	cf::global->attach (
2202	prio => 10000,
2203	on_cleanup => sub {
2204	db_sync;
2205	},	2975	}
2206	);
2207	}
2208		2976
2209	#############################################################################	2977	while (my ($face, $info) = each %$faces) {
2210	# the server's main()	2978	next unless $info->{smooth};
		2979	my $idx = cf::face::find $face
		2980	or next;
		2981	if (my $smooth = cf::face::find $info->{smooth}) {
		2982	cf::face::set_smooth $idx, $smooth;
		2983	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2984	} else {
		2985	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2986	}
2211		2987
2212	sub cfg_load {	2988	cf::cede_to_tick;
		2989	}
		2990	}
		2991
		2992	{
		2993	my $anims = $facedata->{animinfo};
		2994
		2995	while (my ($anim, $info) = each %$anims) {
		2996	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2997	cf::cede_to_tick;
		2998	}
		2999
		3000	cf::anim::invalidate_all; # d'oh
		3001	}
		3002
		3003	{
		3004	# TODO: for gcfclient pleasure, we should give resources
		3005	# that gcfclient doesn't grok a >10000 face index.
		3006	my $res = $facedata->{resource};
		3007
		3008	my $soundconf = delete $res->{"res/sound.conf"};
		3009
		3010	while (my ($name, $info) = each %$res) {
		3011	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3012	my $data;
		3013
		3014	if ($info->{type} & 1) {
		3015	# prepend meta info
		3016
		3017	my $meta = $enc->encode ({
		3018	name => $name,
		3019	%{ $info->{meta} || {} },
		3020	});
		3021
		3022	$data = pack "(w/a*)*", $meta, $info->{data};
		3023	} else {
		3024	$data = $info->{data};
		3025	}
		3026
		3027	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3028	cf::face::set_type $idx, $info->{type};
		3029
		3030	cf::cede_to_tick;
		3031	}
		3032
		3033	if ($soundconf) {
		3034	$soundconf = $enc->decode (delete $soundconf->{data});
		3035
		3036	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3037	my $sound = $soundconf->{compat}[$_]
		3038	or next;
		3039
		3040	my $face = cf::face::find "sound/$sound->[1]";
		3041	cf::sound::set $sound->[0] => $face;
		3042	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3043	}
		3044
		3045	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3046	my $face = cf::face::find "sound/$v";
		3047	cf::sound::set $k => $face;
		3048	}
		3049	}
		3050	}
		3051
		3052	1
		3053	}
		3054
		3055	register_exticmd fx_want => sub {
		3056	my ($ns, $want) = @_;
		3057
		3058	while (my ($k, $v) = each %$want) {
		3059	$ns->fx_want ($k, $v);
		3060	}
		3061	};
		3062
		3063	sub reload_regions {
		3064	# HACK to clear player env face cache, we need some signal framework
		3065	# for this (global event?)
		3066	%ext::player_env::MUSIC_FACE_CACHE = ();
		3067
		3068	load_resource_file "$MAPDIR/regions"
		3069	or die "unable to load regions file\n";
		3070
		3071	for (cf::region::list) {
		3072	$_->{match} = qr/$_->{match}/
		3073	if exists $_->{match};
		3074	}
		3075	}
		3076
		3077	sub reload_facedata {
		3078	load_facedata "$DATADIR/facedata"
		3079	or die "unable to load facedata\n";
		3080	}
		3081
		3082	sub reload_archetypes {
		3083	load_resource_file "$DATADIR/archetypes"
		3084	or die "unable to load archetypes\n";
		3085	#d# NEED to laod twice to resolve forward references
		3086	# this really needs to be done in an extra post-pass
		3087	# (which needs to be synchronous, so solve it differently)
		3088	load_resource_file "$DATADIR/archetypes"
		3089	or die "unable to load archetypes\n";
		3090	}
		3091
		3092	sub reload_treasures {
		3093	load_resource_file "$DATADIR/treasures"
		3094	or die "unable to load treasurelists\n";
		3095	}
		3096
		3097	sub reload_resources {
		3098	warn "reloading resource files...\n";
		3099
		3100	reload_regions;
		3101	reload_facedata;
		3102	#reload_archetypes;#d#
		3103	reload_archetypes;
		3104	reload_treasures;
		3105
		3106	warn "finished reloading resource files\n";
		3107	}
		3108
		3109	sub init {
		3110	reload_resources;
		3111	}
		3112
		3113	sub reload_config {
2213	open my $fh, "<:utf8", cf::confdir . "/config"	3114	open my $fh, "<:utf8", "$CONFDIR/config"
2214	or return;	3115	or return;
2215		3116
2216	local $/;	3117	local $/;
2217	*CFG = YAML::Syck::Load <$fh>;	3118	*CFG = YAML::Syck::Load <$fh>;
2218		3119
…		…
2237	(async {	3138	(async {
2238	Event::one_event;	3139	Event::one_event;
2239	})->prio (Coro::PRIO_MAX);	3140	})->prio (Coro::PRIO_MAX);
2240	};	3141	};
2241		3142
2242	cfg_load;	3143	reload_config;
2243	db_load;	3144	db_init;
2244	load_extensions;	3145	load_extensions;
		3146
		3147	$TICK_WATCHER->start;
2245	Event::loop;	3148	Event::loop;
2246	}	3149	}
2247		3150
2248	#############################################################################	3151	#############################################################################
2249	# initialisation and cleanup	3152	# initialisation and cleanup
2250		3153
2251	# install some emergency cleanup handlers	3154	# install some emergency cleanup handlers
2252	BEGIN {	3155	BEGIN {
2253	for my $signal (qw(INT HUP TERM)) {	3156	for my $signal (qw(INT HUP TERM)) {
2254	Event->signal (	3157	Event->signal (
		3158	reentrant => 0,
2255	data => WF_AUTOCANCEL,	3159	data => WF_AUTOCANCEL,
2256	signal => $signal,	3160	signal => $signal,
		3161	prio => 0,
2257	cb => sub {	3162	cb => sub {
2258	cf::cleanup "SIG$signal";	3163	cf::cleanup "SIG$signal";
2259	},	3164	},
2260	);	3165	);
2261	}	3166	}
		3167	}
		3168
		3169	sub write_runtime {
		3170	my $runtime = "$LOCALDIR/runtime";
		3171
		3172	# first touch the runtime file to show we are still running:
		3173	# the fsync below can take a very very long time.
		3174
		3175	IO::AIO::aio_utime $runtime, undef, undef;
		3176
		3177	my $guard = cf::lock_acquire "write_runtime";
		3178
		3179	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3180	or return;
		3181
		3182	my $value = $cf::RUNTIME + 90 + 10;
		3183	# 10 is the runtime save interval, for a monotonic clock
		3184	# 60 allows for the watchdog to kill the server.
		3185
		3186	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3187	and return;
		3188
		3189	# always fsync - this file is important
		3190	aio_fsync $fh
		3191	and return;
		3192
		3193	# touch it again to show we are up-to-date
		3194	aio_utime $fh, undef, undef;
		3195
		3196	close $fh
		3197	or return;
		3198
		3199	aio_rename "$runtime~", $runtime
		3200	and return;
		3201
		3202	warn "runtime file written.\n";
		3203
		3204	1
2262	}	3205	}
2263		3206
2264	sub emergency_save() {	3207	sub emergency_save() {
2265	my $freeze_guard = cf::freeze_mainloop;	3208	my $freeze_guard = cf::freeze_mainloop;
2266		3209
…		…
2283	my $map = $cf::MAP{$path} or next;	3226	my $map = $cf::MAP{$path} or next;
2284	$map->valid or next;	3227	$map->valid or next;
2285	$map->save;	3228	$map->save;
2286	}	3229	}
2287	warn "end emergency map save\n";	3230	warn "end emergency map save\n";
		3231
		3232	warn "begin emergency database checkpoint\n";
		3233	BDB::db_env_txn_checkpoint $DB_ENV;
		3234	warn "end emergency database checkpoint\n";
2288	};	3235	};
2289		3236
2290	warn "leave emergency perl save\n";	3237	warn "leave emergency perl save\n";
2291	}	3238	}
2292		3239
		3240	sub post_cleanup {
		3241	my ($make_core) = @_;
		3242
		3243	warn Carp::longmess "post_cleanup backtrace"
		3244	if $make_core;
		3245	}
		3246
2293	sub reload() {	3247	sub do_reload_perl() {
2294	# can/must only be called in main	3248	# can/must only be called in main
2295	if ($Coro::current != $Coro::main) {	3249	if ($Coro::current != $Coro::main) {
2296	warn "can only reload from main coroutine\n";	3250	warn "can only reload from main coroutine";
2297	return;	3251	return;
2298	}	3252	}
2299		3253
2300	warn "reloading...";	3254	warn "reloading...";
2301		3255
2302	warn "freezing server";	3256	warn "entering sync_job";
2303	my $guard = freeze_mainloop;	3257
		3258	cf::sync_job {
		3259	cf::write_runtime; # external watchdog should not bark
2304	cf::emergency_save;	3260	cf::emergency_save;
		3261	cf::write_runtime; # external watchdog should not bark
2305		3262
2306	warn "sync database to disk";	3263	warn "syncing database to disk";
2307	cf::db_sync;	3264	BDB::db_env_txn_checkpoint $DB_ENV;
2308	IO::AIO::flush;
2309		3265
2310	eval {
2311	# if anything goes wrong in here, we should simply crash as we already saved	3266	# if anything goes wrong in here, we should simply crash as we already saved
2312		3267
2313	warn "cancel all watchers";	3268	warn "cancelling all WF_AUTOCANCEL watchers";
2314	for (Event::all_watchers) {	3269	for (Event::all_watchers) {
2315	$_->cancel if $_->data & WF_AUTOCANCEL;	3270	$_->cancel if $_->data & WF_AUTOCANCEL;
2316	}	3271	}
2317		3272
		3273	warn "flushing outstanding aio requests";
		3274	for (;;) {
		3275	BDB::flush;
		3276	IO::AIO::flush;
		3277	Coro::cede;
		3278	last unless IO::AIO::nreqs || BDB::nreqs;
		3279	warn "iterate...";
		3280	}
		3281
		3282	++$RELOAD;
		3283
2318	warn "cancel all extension coros";	3284	warn "cancelling all extension coros";
2319	$_->cancel for values %EXT_CORO;	3285	$_->cancel for values %EXT_CORO;
2320	%EXT_CORO = ();	3286	%EXT_CORO = ();
2321		3287
2322	warn "remove commands";	3288	warn "removing commands";
2323	%COMMAND = ();	3289	%COMMAND = ();
2324		3290
2325	warn "remove ext commands";	3291	warn "removing ext/exti commands";
2326	%EXTCMD = ();	3292	%EXTCMD = ();
		3293	%EXTICMD = ();
2327		3294
2328	warn "unload/nuke all extensions";	3295	warn "unloading/nuking all extensions";
2329	for my $pkg (@EXTS) {	3296	for my $pkg (@EXTS) {
2330	warn "... unloading $pkg";	3297	warn "... unloading $pkg";
2331		3298
2332	if (my $cb = $pkg->can ("unload")) {	3299	if (my $cb = $pkg->can ("unload")) {
2333	eval {	3300	eval {
…		…
2338		3305
2339	warn "... nuking $pkg";	3306	warn "... nuking $pkg";
2340	Symbol::delete_package $pkg;	3307	Symbol::delete_package $pkg;
2341	}	3308	}
2342		3309
2343	warn "unload all perl modules loaded from $LIBDIR";	3310	warn "unloading all perl modules loaded from $LIBDIR";
2344	while (my ($k, $v) = each %INC) {	3311	while (my ($k, $v) = each %INC) {
2345	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3312	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2346		3313
2347	warn "removing <$k>";	3314	warn "... unloading $k";
2348	delete $INC{$k};	3315	delete $INC{$k};
2349		3316
2350	$k =~ s/\.pm$//;	3317	$k =~ s/\.pm$//;
2351	$k =~ s/\//::/g;	3318	$k =~ s/\//::/g;
2352		3319
…		…
2355	}	3322	}
2356		3323
2357	Symbol::delete_package $k;	3324	Symbol::delete_package $k;
2358	}	3325	}
2359		3326
2360	warn "get rid of safe::, as good as possible";	3327	warn "getting rid of safe::, as good as possible";
2361	Symbol::delete_package "safe::$_"	3328	Symbol::delete_package "safe::$_"
2362	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3329	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2363		3330
2364	warn "unload cf.pm \"a bit\"";	3331	warn "unloading cf.pm \"a bit\"";
2365	delete $INC{"cf.pm"};	3332	delete $INC{"cf.pm"};
		3333	delete $INC{"cf/pod.pm"};
2366		3334
2367	# don't, removes xs symbols, too,	3335	# don't, removes xs symbols, too,
2368	# and global variables created in xs	3336	# and global variables created in xs
2369	#Symbol::delete_package __PACKAGE__;	3337	#Symbol::delete_package __PACKAGE__;
2370		3338
		3339	warn "unload completed, starting to reload now";
		3340
2371	warn "reloading cf.pm";	3341	warn "reloading cf.pm";
2372	require cf;	3342	require cf;
2373	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3343	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2374		3344
2375	warn "load config and database again";	3345	warn "loading config and database again";
2376	cf::cfg_load;	3346	cf::reload_config;
2377	cf::db_load;
2378		3347
2379	warn "load extensions";	3348	warn "loading extensions";
2380	cf::load_extensions;	3349	cf::load_extensions;
2381		3350
2382	warn "reattach attachments to objects/players";	3351	warn "reattaching attachments to objects/players";
2383	_global_reattach;	3352	_global_reattach; # objects, sockets
2384	warn "reattach attachments to maps";	3353	warn "reattaching attachments to maps";
2385	reattach $_ for values %MAP;	3354	reattach $_ for values %MAP;
2386	};	3355	warn "reattaching attachments to players";
		3356	reattach $_ for values %PLAYER;
2387		3357
2388	if ($@) {	3358	warn "leaving sync_job";
		3359
		3360	1
		3361	} or do {
2389	warn $@;	3362	warn $@;
2390	warn "error while reloading, exiting.";	3363	warn "error while reloading, exiting.";
2391	exit 1;	3364	exit 1;
2392	}	3365	};
2393		3366
2394	warn "reloaded";	3367	warn "reloaded";
2395	};	3368	};
2396		3369
2397	our $RELOAD_WATCHER; # used only during reload	3370	our $RELOAD_WATCHER; # used only during reload
2398		3371
		3372	sub reload_perl() {
		3373	# doing reload synchronously and two reloads happen back-to-back,
		3374	# coro crashes during coro_state_free->destroy here.
		3375
		3376	$RELOAD_WATCHER ||= Event->timer (
		3377	reentrant => 0,
		3378	after => 0,
		3379	data => WF_AUTOCANCEL,
		3380	cb => sub {
		3381	do_reload_perl;
		3382	undef $RELOAD_WATCHER;
		3383	},
		3384	);
		3385	}
		3386
2399	register_command "reload" => sub {	3387	register_command "reload" => sub {
2400	my ($who, $arg) = @_;	3388	my ($who, $arg) = @_;
2401		3389
2402	if ($who->flag (FLAG_WIZ)) {	3390	if ($who->flag (FLAG_WIZ)) {
2403	$who->message ("reloading server.");	3391	$who->message ("reloading server.");
2404		3392	async { reload_perl };
2405	# doing reload synchronously and two reloads happen back-to-back,
2406	# coro crashes during coro_state_free->destroy here.
2407
2408	$RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2409	reload;
2410	undef $RELOAD_WATCHER;
2411	});
2412	}	3393	}
2413	};	3394	};
2414		3395
2415	unshift @INC, $LIBDIR;	3396	unshift @INC, $LIBDIR;
2416		3397
		3398	my $bug_warning = 0;
		3399
		3400	our @WAIT_FOR_TICK;
		3401	our @WAIT_FOR_TICK_BEGIN;
		3402
		3403	sub wait_for_tick {
		3404	return unless $TICK_WATCHER->is_active;
		3405	return if $Coro::current == $Coro::main;
		3406
		3407	my $signal = new Coro::Signal;
		3408	push @WAIT_FOR_TICK, $signal;
		3409	$signal->wait;
		3410	}
		3411
		3412	sub wait_for_tick_begin {
		3413	return unless $TICK_WATCHER->is_active;
		3414	return if $Coro::current == $Coro::main;
		3415
		3416	my $signal = new Coro::Signal;
		3417	push @WAIT_FOR_TICK_BEGIN, $signal;
		3418	$signal->wait;
		3419	}
		3420
		3421	my $min = 1e6;#d#
		3422	my $avg = 10;
2417	$TICK_WATCHER = Event->timer (	3423	$TICK_WATCHER = Event->timer (
2418	reentrant => 0,	3424	reentrant => 0,
		3425	parked => 1,
2419	prio => 0,	3426	prio => 0,
2420	at => $NEXT_TICK || $TICK,	3427	at => $NEXT_TICK || $TICK,
2421	data => WF_AUTOCANCEL,	3428	data => WF_AUTOCANCEL,
2422	cb => sub {	3429	cb => sub {
		3430	if ($Coro::current != $Coro::main) {
		3431	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3432	unless ++$bug_warning > 10;
		3433	return;
		3434	}
		3435
2423	$NOW = Event::time;	3436	$NOW = $tick_start = Event::time;
2424		3437
2425	cf::server_tick; # one server iteration	3438	cf::server_tick; # one server iteration
		3439
		3440	0 && sync_job {#d#
		3441	for(1..10) {
		3442	my $t = Event::time;
		3443	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3444	or die;
		3445
		3446	$map->width (50);
		3447	$map->height (50);
		3448	$map->alloc;
		3449	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3450	my $t = Event::time - $t;
		3451
		3452	#next unless $t < 0.0013;#d#
		3453	if ($t < $min) {
		3454	$min = $t;
		3455	}
		3456	$avg = $avg * 0.99 + $t * 0.01;
		3457	}
		3458	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3459	exit 0;
		3460	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3461	};
		3462
2426	$RUNTIME += $TICK;	3463	$RUNTIME += $TICK;
2427	$NEXT_TICK += $TICK;	3464	$NEXT_TICK += $TICK;
2428		3465
2429	$WAIT_FOR_TICK->broadcast;	3466	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2430	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3467	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3468	Coro::async_pool {
		3469	write_runtime
		3470	or warn "ERROR: unable to write runtime file: $!";
		3471	};
		3472	}
		3473
		3474	# my $AFTER = Event::time;
		3475	# warn $AFTER - $NOW;#d#
		3476
		3477	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3478	$sig->send;
		3479	}
		3480	while (my $sig = shift @WAIT_FOR_TICK) {
		3481	$sig->send;
		3482	}
		3483
		3484	$NOW = Event::time;
2431		3485
2432	# if we are delayed by four ticks or more, skip them all	3486	# if we are delayed by four ticks or more, skip them all
2433	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3487	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2434		3488
2435	$TICK_WATCHER->at ($NEXT_TICK);	3489	$TICK_WATCHER->at ($NEXT_TICK);
2436	$TICK_WATCHER->start;	3490	$TICK_WATCHER->start;
		3491
		3492	$LOAD = ($NOW - $tick_start) / $TICK;
		3493	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3494
		3495	_post_tick;
		3496
		3497
2437	},	3498	},
2438	);	3499	);
2439		3500
		3501	{
		3502	BDB::max_poll_time $TICK * 0.1;
		3503	$BDB_POLL_WATCHER = Event->io (
		3504	reentrant => 0,
		3505	fd => BDB::poll_fileno,
		3506	poll => 'r',
		3507	prio => 0,
		3508	data => WF_AUTOCANCEL,
		3509	cb => \&BDB::poll_cb,
		3510	);
		3511	BDB::min_parallel 8;
		3512
		3513	BDB::set_sync_prepare {
		3514	my $status;
		3515	my $current = $Coro::current;
		3516	(
		3517	sub {
		3518	$status = $!;
		3519	$current->ready; undef $current;
		3520	},
		3521	sub {
		3522	Coro::schedule while defined $current;
		3523	$! = $status;
		3524	},
		3525	)
		3526	};
		3527
		3528	unless ($DB_ENV) {
		3529	$DB_ENV = BDB::db_env_create;
		3530
		3531	cf::sync_job {
		3532	eval {
		3533	BDB::db_env_open
		3534	$DB_ENV,
		3535	$BDBDIR,
		3536	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3537	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3538	0666;
		3539
		3540	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3541
		3542	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3543	$DB_ENV->set_lk_detect;
		3544	};
		3545
		3546	cf::cleanup "db_env_open(db): $@" if $@;
		3547	};
		3548	}
		3549	}
		3550
		3551	{
		3552	IO::AIO::min_parallel 8;
		3553
		3554	undef $Coro::AIO::WATCHER;
2440	IO::AIO::max_poll_time $TICK * 0.2;	3555	IO::AIO::max_poll_time $TICK * 0.1;
2441
2442	$AIO_POLL_WATCHER = Event->io (	3556	$AIO_POLL_WATCHER = Event->io (
2443	fd => IO::AIO::poll_fileno,	3557	reentrant => 0,
2444	poll => 'r',
2445	prio => 5,
2446	data => WF_AUTOCANCEL,
2447	cb => \&IO::AIO::poll_cb,
2448	);
2449
2450	$WRITE_RUNTIME_WATCHER = Event->timer (
2451	data => WF_AUTOCANCEL,	3558	data => WF_AUTOCANCEL,
2452	after => 0,	3559	fd => IO::AIO::poll_fileno,
2453	interval => 10,	3560	poll => 'r',
2454	cb => sub {	3561	prio => 6,
2455	(Coro::unblock_sub {	3562	cb => \&IO::AIO::poll_cb,
2456	write_runtime	3563	);
2457	or warn "ERROR: unable to write runtime file: $!";	3564	}
		3565
		3566	my $_log_backtrace;
		3567
		3568	sub _log_backtrace {
		3569	my ($msg, @addr) = @_;
		3570
		3571	$msg =~ s/\n//;
		3572
		3573	# limit the # of concurrent backtraces
		3574	if ($_log_backtrace < 2) {
		3575	++$_log_backtrace;
		3576	async {
		3577	my @bt = fork_call {
		3578	@addr = map { sprintf "%x", $_ } @addr;
		3579	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3580	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3581	or die "addr2line: $!";
		3582
		3583	my @funcs;
		3584	my @res = <$fh>;
		3585	chomp for @res;
		3586	while (@res) {
		3587	my ($func, $line) = splice @res, 0, 2, ();
		3588	push @funcs, "[$func] $line";
		3589	}
		3590
		3591	@funcs
		3592	};
		3593
		3594	LOG llevInfo, "[ABT] $msg\n";
		3595	LOG llevInfo, "[ABT] $_\n" for @bt;
		3596	--$_log_backtrace;
2458	})->();	3597	};
		3598	} else {
		3599	LOG llevInfo, "[ABT] $msg\n";
		3600	LOG llevInfo, "[ABT] [suppressed]\n";
2459	},	3601	}
2460	);	3602	}
		3603
		3604	# load additional modules
		3605	use cf::pod;
2461		3606
2462	END { cf::emergency_save }	3607	END { cf::emergency_save }
2463		3608
2464	1	3609	1
2465		3610

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