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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.378 by root, Thu Oct 4 11:36:54 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 3.5 ();	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;
53	our $USE_FSYNC; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
		88	our $DB_ENV;
54		89
55	our %CFG;	90	our %CFG;
56		91
57	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	93	our $RUNTIME;
59		94
60	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
61	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		98
68	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
71	binmode STDOUT;	106	binmode STDOUT;
72	binmode STDERR;	107	binmode STDERR;
73		108
74	# read virtual server time, if available	109	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
79	}	114	}
80		115
81	mkdir cf::localdir;	116	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		118
87	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
88		120
89	sub cf::map::normalise;	121	sub cf::map::normalise;
90		122
…		…
101	=item $cf::RUNTIME	133	=item $cf::RUNTIME
102		134
103	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
104	every server tick.	136	every server tick.
105		137
106	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
107		141
108	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
109	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
110		146
111	=item $cf::NOW	147	=item $cf::NOW
112		148
113	The time of the last (current) server tick.	149	The time of the last (current) server tick.
114		150
115	=item $cf::TICK	151	=item $cf::TICK
116		152
117	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
118		164
119	=item %cf::CFG	165	=item %cf::CFG
120		166
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	168	from wherever your confdir points to.
123		169
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		171
126	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
127	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
128	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
129	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
130		181
131	=back	182	=back
132		183
133	=cut	184	=cut
134		185
135	BEGIN {	186	BEGIN {
136	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	188	my $msg = join "", @_;
138	utf8::encode $msg;
139		189
140	$msg .= "\n"	190	$msg .= "\n"
141	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
142		194
143	LOG llevError, $msg;	195	LOG llevError, $msg;
144	};	196	};
145	}	197	}
146		198
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
152	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
153		206
154	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
155	# within the Safe compartment.	208	# within the Safe compartment.
156	for my $pkg (qw(	209	for my $pkg (qw(
157	cf::global cf::attachable	210	cf::global cf::attachable
…		…
165	}	218	}
166		219
167	$Event::DIED = sub {	220	$Event::DIED = sub {
168	warn "error in event callback: @_";	221	warn "error in event callback: @_";
169	};	222	};
		223
		224	#############################################################################
170		225
171	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
172		227
173	=over 4	228	=over 4
174		229
…		…
193	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
194	$d	249	$d
195	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
196	}	251	}
197		252
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
201		254
202	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
203		256
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
212		258
213	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
214		260
215	=cut	261	=cut
216		262
217	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
219	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
221		267
222	=item cf::lock_wait $string	268	=item cf::lock_wait $string
223		269
224	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
225		271
…		…
228	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
229	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
230	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
231	returned.	277	returned.
232		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
233	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
234	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
235		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
236	=cut	289	=cut
237		290
238	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
239		293
240	sub lock_wait($) {	294	sub lock_wait($) {
241	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
242		301
243	# wait for lock, if any	302	# wait for lock, if any
244	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
245	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
246	Coro::schedule;	305	Coro::schedule;
…		…
252		311
253	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
254	lock_wait $key;	313	lock_wait $key;
255		314
256	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
257		317
258	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
259	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
261	}	322	}
262	}	323	}
263		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
264	sub freeze_mainloop {	331	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
266		333
267	my $guard = Coro::guard {	334	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	336	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
273	$guard	338	$guard
		339	}
		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
274	}	397	}
275		398
276	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
277		400
278	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		406
284	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
285		408
286	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
287		410
288	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
291		415
292	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
295	fast or be very important.	419	fast or be very important.
…		…
298		422
299	sub sync_job(&) {	423	sub sync_job(&) {
300	my ($job) = @_;	424	my ($job) = @_;
301		425
302	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
303	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
305		431
306	# TODO: use suspend/resume instead	432	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	433	# (but this is cancel-safe)
…		…
309		435
310	my $busy = 1;	436	my $busy = 1;
311	my @res;	437	my @res;
312		438
313	(async {	439	(async {
		440	$Coro::current->desc ("sync job coro");
314	@res = eval { $job->() };	441	@res = eval { $job->() };
315	warn $@ if $@;	442	warn $@ if $@;
316	undef $busy;	443	undef $busy;
317	})->prio (Coro::PRIO_MAX);	444	})->prio (Coro::PRIO_MAX);
318		445
319	while ($busy) {	446	while ($busy) {
320	Coro::cede or Event::one_event;	447	Coro::cede or Event::one_event;
321	}	448	}
		449
		450	$time = Event::time - $time;
		451
		452	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		453	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		454
		455	$tick_start += $time; # do not account sync jobs to server load
322		456
323	wantarray ? @res : $res[0]	457	wantarray ? @res : $res[0]
324	} else {	458	} else {
325	# we are in another coroutine, how wonderful, everything just works	459	# we are in another coroutine, how wonderful, everything just works
326		460
…		…
346	$EXT_CORO{$coro+0} = $coro;	480	$EXT_CORO{$coro+0} = $coro;
347		481
348	$coro	482	$coro
349	}	483	}
350		484
351	sub write_runtime {	485	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		486
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	487	Executes the given code block with the given arguments in a seperate
355	or return;	488	process, returning the results. Everything must be serialisable with
		489	Coro::Storable. May, of course, block. Note that the executed sub may
		490	never block itself or use any form of Event handling.
356		491
357	my $value = $cf::RUNTIME + 90 + 10;	492	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		493
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	sub fork_call(&@) {
362	and return;	495	my ($cb, @args) = @_;
363		496
364	# always fsync - this file is important	497	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	498	# otherwise perl prematurely frees the stuff :/
366	and return;	499	# TODO: investigate and fix (likely this will be rather laborious)
367		500
368	close $fh	501	my @res = Coro::Util::fork_eval {
369	or return;	502	reset_signals;
		503	&$cb
		504	}, @args;
370		505
371	aio_rename "$runtime~", $runtime	506	wantarray ? @res : $res[-1]
372	and return;	507	}
373		508
		509	=item $value = cf::db_get $family => $key
		510
		511	Returns a single value from the environment database.
		512
		513	=item cf::db_put $family => $key => $value
		514
		515	Stores the given C<$value> in the family. It can currently store binary
		516	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		517
		518	=item $db = cf::db_table "name"
		519
		520	Create and/or open a new database table. The string must not be "db" and must be unique
		521	within each server.
		522
		523	=cut
		524
		525	sub db_table($) {
		526	my ($name) = @_;
		527	my $db = BDB::db_create $DB_ENV;
		528
		529	eval {
		530	$db->set_flags (BDB::CHKSUM);
		531
		532	utf8::encode $name;
		533	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		534	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		535	cf::cleanup "db_open(db): $!" if $!;
		536	};
		537	cf::cleanup "db_open(db): $@" if $@;
		538
		539	$db
		540	}
		541
		542	our $DB;
		543
		544	sub db_init {
		545	cf::sync_job {
		546	$DB ||= db_table "db";
		547	};
		548	}
		549
		550	sub db_get($$) {
		551	my $key = "$_[0]/$_[1]";
		552
		553	cf::sync_job {
		554	BDB::db_get $DB, undef, $key, my $data;
		555
		556	$! ? ()
		557	: $data
374	1	558	}
		559	}
		560
		561	sub db_put($$$) {
		562	BDB::dbreq_pri 4;
		563	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		564	}
		565
		566	=item cf::cache $id => [$paths...], $processversion => $process
		567
		568	Generic caching function that returns the value of the resource $id,
		569	caching and regenerating as required.
		570
		571	This function can block.
		572
		573	=cut
		574
		575	sub cache {
		576	my ($id, $src, $processversion, $process) = @_;
		577
		578	my $meta =
		579	join "\x00",
		580	$processversion,
		581	map {
		582	aio_stat $_
		583	and Carp::croak "$_: $!";
		584
		585	($_, (stat _)[7,9])
		586	} @$src;
		587
		588	my $dbmeta = db_get cache => "$id/meta";
		589	if ($dbmeta ne $meta) {
		590	# changed, we may need to process
		591
		592	my @data;
		593	my $md5;
		594
		595	for (0 .. $#$src) {
		596	0 <= aio_load $src->[$_], $data[$_]
		597	or Carp::croak "$src->[$_]: $!";
		598	}
		599
		600	# if processing is expensive, check
		601	# checksum first
		602	if (1) {
		603	$md5 =
		604	join "\x00",
		605	$processversion,
		606	map {
		607	cf::cede_to_tick;
		608	($src->[$_], Digest::MD5::md5_hex $data[$_])
		609	} 0.. $#$src;
		610
		611
		612	my $dbmd5 = db_get cache => "$id/md5";
		613	if ($dbmd5 eq $md5) {
		614	db_put cache => "$id/meta", $meta;
		615
		616	return db_get cache => "$id/data";
		617	}
		618	}
		619
		620	my $t1 = Time::HiRes::time;
		621	my $data = $process->(\@data);
		622	my $t2 = Time::HiRes::time;
		623
		624	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		625
		626	db_put cache => "$id/data", $data;
		627	db_put cache => "$id/md5" , $md5;
		628	db_put cache => "$id/meta", $meta;
		629
		630	return $data;
		631	}
		632
		633	db_get cache => "$id/data"
		634	}
		635
		636	=item cf::datalog type => key => value, ...
		637
		638	Log a datalog packet of the given type with the given key-value pairs.
		639
		640	=cut
		641
		642	sub datalog($@) {
		643	my ($type, %kv) = @_;
		644	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	645	}
376		646
377	=back	647	=back
378		648
379	=cut	649	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	656	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	657	to it. All such attachable objects support the following methods.
388		658
389	In the following description, CLASS can be any of C<global>, C<object>	659	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	660	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	661	Crossfire TRT).
392		662
393	=over 4	663	=over 4
394		664
395	=item $attachable->attach ($attachment, key => $value...)	665	=item $attachable->attach ($attachment, key => $value...)
396		666
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	829	$registry = $CB_TYPE[$object_type] ||= [];
560		830
561	} elsif ($type eq "subtype") {	831	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	832	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	833	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	834	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		835
566	} elsif ($type eq "package") {	836	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	837	my $pkg = shift @arg;
568		838
569	while (my ($name, $id) = each %cb_id) {	839	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	868	_attach $registry, $klass, @attach;
599	}	869	}
600		870
601	$obj->{$name} = \%arg;	871	$obj->{$name} = \%arg;
602	} else {	872	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	873	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	874	}
605		875
606	$obj->{_attachment}{$name} = undef;	876	$obj->{_attachment}{$name} = undef;
607	}	877	}
608		878
…		…
610	if (ref $_[0]) {	880	if (ref $_[0]) {
611	_object_attach @_;	881	_object_attach @_;
612	} else {	882	} else {
613	_attach shift->_attach_registry, @_;	883	_attach shift->_attach_registry, @_;
614	}	884	}
		885	_recalc_want;
615	};	886	};
616		887
617	# all those should be optimised	888	# all those should be optimised
618	sub cf::attachable::detach {	889	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	890	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	893	delete $obj->{_attachment}{$name};
623	reattach ($obj);	894	reattach ($obj);
624	} else {	895	} else {
625	Carp::croak "cannot, currently, detach class attachments";	896	Carp::croak "cannot, currently, detach class attachments";
626	}	897	}
		898	_recalc_want;
627	};	899	};
628		900
629	sub cf::attachable::attached {	901	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	902	my ($obj, $name) = @_;
631		903
…		…
646	";	918	";
647	die if $@;	919	die if $@;
648	}	920	}
649		921
650	our $override;	922	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	923	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		924
653	sub override {	925	sub override {
654	$override = 1;	926	$override = 1;
655	@invoke_results = ();	927	@INVOKE_RESULTS = (@_);
656	}	928	}
657		929
658	sub do_invoke {	930	sub do_invoke {
659	my $event = shift;	931	my $event = shift;
660	my $callbacks = shift;	932	my $callbacks = shift;
661		933
662	@invoke_results = ();	934	@INVOKE_RESULTS = ();
663		935
664	local $override;	936	local $override;
665		937
666	for (@$callbacks) {	938	for (@$callbacks) {
667	eval { &{$_->[1]} };	939	eval { &{$_->[1]} };
…		…
684		956
685	Generate an object-specific event with the given arguments.	957	Generate an object-specific event with the given arguments.
686		958
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	959	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	960	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	961	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		962
691	=back	963	=back
692		964
693	=cut	965	=cut
694		966
695	#############################################################################	967	#############################################################################
696	# object support	968	# object support
		969	#
		970
		971	sub _can_merge {
		972	my ($ob1, $ob2) = @_;
		973
		974	local $Storable::canonical = 1;
		975	my $fob1 = Storable::freeze $ob1;
		976	my $fob2 = Storable::freeze $ob2;
		977
		978	$fob1 eq $fob2
		979	}
697		980
698	sub reattach {	981	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	982	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	983	my ($obj) = @_;
701		984
…		…
748	sub object_freezer_save {	1031	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1032	my ($filename, $rdata, $objs) = @_;
750		1033
751	sync_job {	1034	sync_job {
752	if (length $$rdata) {	1035	if (length $$rdata) {
		1036	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1037	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1038	$decname, length $$rdata, scalar @$objs;
755		1039
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1040	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1041	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1042	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1043	aio_fsync $fh if $cf::USE_FSYNC;
…		…
778	}	1062	}
779	} else {	1063	} else {
780	aio_unlink $filename;	1064	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1065	aio_unlink "$filename.pst";
782	}	1066	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1067	};
790	}	1068	}
791		1069
792	sub object_freezer_as_string {	1070	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1071	my ($rdata, $objs) = @_;
794		1072
…		…
799		1077
800	sub object_thawer_load {	1078	sub object_thawer_load {
801	my ($filename) = @_;	1079	my ($filename) = @_;
802		1080
803	my ($data, $av);	1081	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1082
808	(aio_load $filename, $data) >= 0	1083	(aio_load $filename, $data) >= 0
809	or return;	1084	or return;
810		1085
811	unless (aio_stat "$filename.pst") {	1086	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1087	(aio_load "$filename.pst", $av) >= 0
813	or return;	1088	or return;
		1089
814	$av = eval { (Storable::thaw $av)->{objs} };	1090	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1091	}
816		1092
		1093	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1094	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1095	$decname, length $data, scalar @{$av || []};
		1096
819	return ($data, $av);	1097	($data, $av)
820	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
821		1105
822	#############################################################################	1106	#############################################################################
823	# command handling &c	1107	# command handling &c
824		1108
825	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1123	}
840		1124
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1126
843	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
844		1132
845	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
846	called.	1134	called.
847		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
848	=cut	1147	=cut
849		1148
850	sub register_extcmd {	1149	sub register_extcmd {
851	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
852		1151
853	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
854	}	1159	}
855		1160
856	cf::player->attach (	1161	cf::player->attach (
857	on_command => sub {	1162	on_command => sub {
858	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1172	cf::override;
868	},	1173	},
869	on_extcmd => sub {	1174	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
871		1176
872	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1178
874	if (ref $msg) {	1179	if (ref $msg) {
		1180	my ($type, $reply, @payload) =
		1181	"ARRAY" eq ref $msg
		1182	? @$msg
		1183	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1184
		1185	my @reply;
		1186
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1187	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1188	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1189	}
		1190
		1191	$pl->ext_reply ($reply, @reply)
		1192	if $reply;
		1193
880	} else {	1194	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1195	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1196	}
883		1197
884	cf::override;	1198	cf::override;
885	},	1199	},
886	);	1200	);
887		1201
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1202	sub load_extensions {
		1203	cf::sync_job {
		1204	my %todo;
		1205
923	for my $ext (<$LIBDIR/*.ext>) {	1206	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1207	next unless -r $path;
925	eval {	1208
926	load_extension $ext;	1209	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1210	my $base = $1;
		1211	my $pkg = $1;
		1212	$pkg =~ s/[^[:word:]]/_/g;
		1213	$pkg = "ext::$pkg";
		1214
		1215	open my $fh, "<:utf8", $path
		1216	or die "$path: $!";
		1217
		1218	my $source = do { local $/; <$fh> };
		1219
		1220	my %ext = (
		1221	path => $path,
		1222	base => $base,
		1223	pkg => $pkg,
		1224	);
		1225
		1226	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1227	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1228
		1229	$ext{source} =
		1230	"package $pkg; use strict; use utf8;\n"
		1231	. "#line 1 \"$path\"\n{\n"
		1232	. $source
		1233	. "\n};\n1";
		1234
		1235	$todo{$base} = \%ext;
		1236	}
		1237
		1238	my %done;
		1239	while (%todo) {
		1240	my $progress;
		1241
		1242	while (my ($k, $v) = each %todo) {
		1243	for (split /,\s*/, $v->{meta}{depends}) {
		1244	goto skip
		1245	unless exists $done{$_};
		1246	}
		1247
		1248	warn "... loading '$k' into '$v->{pkg}'\n";
		1249
		1250	unless (eval $v->{source}) {
		1251	my $msg = $@ ? "$v->{path}: $@\n"
		1252	: "$v->{base}: extension inactive.\n";
		1253
		1254	if (exists $v->{meta}{mandatory}) {
		1255	warn $msg;
		1256	warn "mandatory extension failed to load, exiting.\n";
		1257	exit 1;
		1258	}
		1259
		1260	warn $msg;
		1261	}
		1262
		1263	$done{$k} = delete $todo{$k};
		1264	push @EXTS, $v->{pkg};
		1265	$progress = 1;
927	1	1266	}
928	} or warn "$ext not loaded: $@";	1267
		1268	skip:
		1269	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1270	unless $progress;
		1271	}
929	}	1272	};
930	}	1273	}
931		1274
932	#############################################################################	1275	#############################################################################
933		1276
		1277	=back
		1278
934	=head2 CORE EXTENSIONS	1279	=head2 CORE EXTENSIONS
935		1280
936	Functions and methods that extend core crossfire objects.	1281	Functions and methods that extend core crossfire objects.
937		1282
938	=cut	1283	=cut
…		…
943		1288
944	=head3 cf::player	1289	=head3 cf::player
945		1290
946	=over 4	1291	=over 4
947		1292
		1293	=item cf::player::num_playing
		1294
		1295	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1296
		1297	=cut
		1298
		1299	sub num_playing {
		1300	scalar grep
		1301	$_->ob->map
		1302	&& !$_->hidden
		1303	&& !$_->ob->flag (cf::FLAG_WIZ),
		1304	cf::player::list
		1305	}
		1306
948	=item cf::player::find $login	1307	=item cf::player::find $login
949		1308
950	Returns the given player object, loading it if necessary (might block).	1309	Returns the given player object, loading it if necessary (might block).
951		1310
952	=cut	1311	=cut
953		1312
954	sub playerdir($) {	1313	sub playerdir($) {
955	cf::localdir	1314	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1315	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1316	}
961		1317
962	sub path($) {	1318	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1319	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1320
965	(playerdir $login) . "/$login.pl"	1321	(playerdir $login) . "/playerdata"
966	}	1322	}
967		1323
968	sub find_active($) {	1324	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1325	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1326	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1339	my $login = $_[0];
984		1340
985	my $guard = cf::lock_acquire "user_find:$login";	1341	my $guard = cf::lock_acquire "user_find:$login";
986		1342
987	$cf::PLAYER{$_[0]} || do {	1343	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1344	# rename old playerfiles to new ones
		1345	#TODO: remove when no longer required
		1346	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1347	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1348	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1349	aio_unlink +(playerdir $login) . "/$login.pl";
		1350
		1351	my $f = new_from_file cf::object::thawer path $login
989	or return;	1352	or return;
		1353
		1354	my $pl = cf::player::load_pl $f
		1355	or return;
		1356	local $cf::PLAYER_LOADING{$login} = $pl;
		1357	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1358	$cf::PLAYER{$login} = $pl
991	}	1359	}
992	}	1360	}
993	}	1361	}
994		1362
…		…
1004		1372
1005	aio_mkdir playerdir $pl, 0770;	1373	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1374	$pl->{last_save} = $cf::RUNTIME;
1007		1375
1008	$pl->save_pl ($path);	1376	$pl->save_pl ($path);
1009	Coro::cede;	1377	cf::cede_to_tick;
1010	}	1378	}
1011		1379
1012	sub new($) {	1380	sub new($) {
1013	my ($login) = @_;	1381	my ($login) = @_;
1014		1382
…		…
1020	$cf::PLAYER{$login} = $self;	1388	$cf::PLAYER{$login} = $self;
1021		1389
1022	$self	1390	$self
1023	}	1391	}
1024		1392
		1393	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1394
		1395	=cut
		1396
		1397	sub send_msg {
		1398	my $ns = shift->ns
		1399	or return;
		1400	$ns->send_msg (@_);
		1401	}
		1402
1025	=item $pl->quit_character	1403	=item $pl->quit_character
1026		1404
1027	Nukes the player without looking back. If logged in, the connection will	1405	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1406	be destroyed. May block for a long time.
1029		1407
1030	=cut	1408	=cut
1031		1409
1032	sub quit_character {	1410	sub quit_character {
1033	my ($pl) = @_;	1411	my ($pl) = @_;
		1412
		1413	my $name = $pl->ob->name;
1034		1414
1035	$pl->{deny_save} = 1;	1415	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1416	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1417
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1418	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1423	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1424	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1425	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1426	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1427	$pl->destroy;
		1428
		1429	my $prefix = qr<^~\Q$name\E/>;
		1430
		1431	# nuke player maps
		1432	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1433
1048	IO::AIO::aio_rmtree $temp;	1434	IO::AIO::aio_rmtree $temp;
		1435	}
		1436
		1437	=item $pl->kick
		1438
		1439	Kicks a player out of the game. This destroys the connection.
		1440
		1441	=cut
		1442
		1443	sub kick {
		1444	my ($pl, $kicker) = @_;
		1445
		1446	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1447	$pl->killer ("kicked");
		1448	$pl->ns->destroy;
1049	}	1449	}
1050		1450
1051	=item cf::player::list_logins	1451	=item cf::player::list_logins
1052		1452
1053	Returns am arrayref of all valid playernames in the system, can take a	1453	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1454	while and may block, so not sync_job-capable, ever.
1055		1455
1056	=cut	1456	=cut
1057		1457
1058	sub list_logins {	1458	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1459	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1460	or return [];
1061		1461
1062	my @logins;	1462	my @logins;
1063		1463
1064	for my $login (@$dirs) {	1464	for my $login (@$dirs) {
		1465	my $path = path $login;
		1466
		1467	# a .pst is a dead give-away for a valid player
		1468	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1469	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1470	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1471	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1472	}
1068		1473
1069	utf8::decode $login;	1474	utf8::decode $login;
1070	push @logins, $login;	1475	push @logins, $login;
1071	}	1476	}
1072		1477
…		…
1099	}	1504	}
1100		1505
1101	\@paths	1506	\@paths
1102	}	1507	}
1103		1508
		1509	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1510
		1511	Expand crossfire pod fragments into protocol xml.
		1512
		1513	=cut
		1514
		1515	sub expand_cfpod {
		1516	((my $self), (local $_)) = @_;
		1517
		1518	# escape & and <
		1519	s/&/&amp;/g;
		1520	s/(?<![BIUGHT])</&lt;/g;
		1521
		1522	# this is buggy, it needs to properly take care of nested <'s
		1523
		1524	1 while
		1525	# replace B<>, I<>, U<> etc.
		1526	s/B<([^\>]*)>/<b>$1<\/b>/
		1527	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1528	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1529	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1530	# replace G<male|female> tags
		1531	|| s{G<([^>|]*)\|([^>]*)>}{
		1532	$self->gender ? $2 : $1
		1533	}ge
		1534	# replace H<hint text>
		1535	|| s{H<([^\>]*)>}
		1536	{
		1537	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1538	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1539	"")
		1540	[$self->{hintmode}]
		1541	}ge;
		1542
		1543	# create single paragraphs (very hackish)
		1544	s/(?<=\S)\n(?=\w)/ /g;
		1545
		1546	# compress some whitespace
		1547	s/\s+\n/\n/g; # ws line-ends
		1548	s/\n\n+/\n/g; # double lines
		1549	s/^\n+//; # beginning lines
		1550	s/\n+$//; # ending lines
		1551
		1552	$_
		1553	}
		1554
		1555	sub hintmode {
		1556	$_[0]{hintmode} = $_[1] if @_ > 1;
		1557	$_[0]{hintmode}
		1558	}
		1559
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1560	=item $player->ext_reply ($msgid, @msg)
1105		1561
1106	Sends an ext reply to the player.	1562	Sends an ext reply to the player.
1107		1563
1108	=cut	1564	=cut
1109		1565
1110	sub ext_reply($$$%) {	1566	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1567	my ($self, $id, @msg) = @_;
1112		1568
1113	$msg{msgid} = $id;	1569	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1570	}
1117		1571
1118	package cf;	1572	=item $player->ext_msg ($type, @msg)
		1573
		1574	Sends an ext event to the client.
		1575
		1576	=cut
		1577
		1578	sub ext_msg($$@) {
		1579	my ($self, $type, @msg) = @_;
		1580
		1581	$self->ns->ext_msg ($type, @msg);
		1582	}
		1583
		1584	=head3 cf::region
		1585
		1586	=over 4
		1587
		1588	=cut
		1589
		1590	package cf::region;
		1591
		1592	=item cf::region::find_by_path $path
		1593
		1594	Tries to decuce the likely region for a map knowing only its path.
		1595
		1596	=cut
		1597
		1598	sub find_by_path($) {
		1599	my ($path) = @_;
		1600
		1601	my ($match, $specificity);
		1602
		1603	for my $region (list) {
		1604	if ($region->{match} && $path =~ $region->{match}) {
		1605	($match, $specificity) = ($region, $region->specificity)
		1606	if $region->specificity > $specificity;
		1607	}
		1608	}
		1609
		1610	$match
		1611	}
1119		1612
1120	=back	1613	=back
1121
1122		1614
1123	=head3 cf::map	1615	=head3 cf::map
1124		1616
1125	=over 4	1617	=over 4
1126		1618
…		…
1181	my ($self, $merge) = @_;	1673	my ($self, $merge) = @_;
1182		1674
1183	# we have to keep some variables in memory intact	1675	# we have to keep some variables in memory intact
1184	local $self->{path};	1676	local $self->{path};
1185	local $self->{load_path};	1677	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1678
1189	$self->SUPER::thawer_merge ($merge);	1679	$self->SUPER::thawer_merge ($merge);
1190	}	1680	}
1191		1681
1192	sub normalise {	1682	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1729	$self->init; # pass $1 etc.
1240	return $self;	1730	return $self;
1241	}	1731	}
1242	}	1732	}
1243		1733
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1734	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1735	()
1246	}	1736	}
1247		1737
1248	sub init {	1738	sub init {
1249	my ($self) = @_;	1739	my ($self) = @_;
…		…
1264		1754
1265	# the original (read-only) location	1755	# the original (read-only) location
1266	sub load_path {	1756	sub load_path {
1267	my ($self) = @_;	1757	my ($self) = @_;
1268		1758
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1759	"$MAPDIR/$self->{path}.map"
1270	}	1760	}
1271		1761
1272	# the temporary/swap location	1762	# the temporary/swap location
1273	sub save_path {	1763	sub save_path {
1274	my ($self) = @_;	1764	my ($self) = @_;
1275		1765
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1766	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1767	"$TMPDIR/$path.map"
1278	}	1768	}
1279		1769
1280	# the unique path, undef == no special unique path	1770	# the unique path, undef == no special unique path
1281	sub uniq_path {	1771	sub uniq_path {
1282	my ($self) = @_;	1772	my ($self) = @_;
1283		1773
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1774	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1775	"$UNIQUEDIR/$path"
1286	}	1776	}
1287		1777
1288	# and all this just because we cannot iterate over	1778	# and all this just because we cannot iterate over
1289	# all maps in C++...	1779	# all maps in C++...
1290	sub change_all_map_light {	1780	sub change_all_map_light {
…		…
1292		1782
1293	$_->change_map_light ($change)	1783	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1784	for grep $_->outdoor, values %cf::MAP;
1295	}	1785	}
1296		1786
		1787	sub decay_objects {
		1788	my ($self) = @_;
		1789
		1790	return if $self->{deny_reset};
		1791
		1792	$self->do_decay_objects;
		1793	}
		1794
1297	sub unlink_save {	1795	sub unlink_save {
1298	my ($self) = @_;	1796	my ($self) = @_;
1299		1797
1300	utf8::encode (my $save = $self->save_path);	1798	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1799	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1800	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1801	}
1309		1802
1310	sub load_header_from($) {	1803	sub load_header_from($) {
1311	my ($self, $path) = @_;	1804	my ($self, $path) = @_;
1312		1805
1313	utf8::encode $path;	1806	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1807	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1808	or return;
		1809
		1810	$self->_load_header ($f)
		1811	or return;
		1812
		1813	local $MAP_LOADING{$self->{path}} = $self;
		1814	$f->resolve_delayed_derefs;
1319		1815
1320	$self->{load_path} = $path;	1816	$self->{load_path} = $path;
1321		1817
1322	1	1818	1
1323	}	1819	}
…		…
1362	$self->load_header_orig	1858	$self->load_header_orig
1363	or return;	1859	or return;
1364	$self->prepare_orig;	1860	$self->prepare_orig;
1365	}	1861	}
1366		1862
		1863	$self->{deny_reset} = 1
		1864	if $self->no_reset;
		1865
		1866	$self->default_region (cf::region::find_by_path $self->{path})
		1867	unless $self->default_region;
		1868
1367	1	1869	1
1368	}	1870	}
1369		1871
1370	sub find;	1872	sub find;
1371	sub find {	1873	sub find {
1372	my ($path, $origin) = @_;	1874	my ($path, $origin) = @_;
1373		1875
1374	$path = normalise $path, $origin && $origin->path;	1876	$path = normalise $path, $origin && $origin->path;
1375		1877
		1878	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1879	cf::lock_wait "map_find:$path";
1377		1880
1378	$cf::MAP{$path} || do {	1881	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1882	my $guard1 = cf::lock_acquire "map_find:$path";
		1883	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1884
1380	my $map = new_from_path cf::map $path	1885	my $map = new_from_path cf::map $path
1381	or return;	1886	or return;
1382		1887
1383	$map->{last_save} = $cf::RUNTIME;	1888	$map->{last_save} = $cf::RUNTIME;
1384		1889
1385	$map->load_header	1890	$map->load_header
1386	or return;	1891	or return;
1387		1892
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1893	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1894	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1895	#$cf::WAIT_FOR_TICK->wait;
		1896	undef $guard1;
		1897	undef $guard2;
1391	$map->reset;	1898	$map->reset;
1392	undef $guard;
1393	return find $path;	1899	return find $path;
1394	}	1900	}
1395		1901
1396	$cf::MAP{$path} = $map	1902	$cf::MAP{$path} = $map
1397	}	1903	}
…		…
1404	my ($self) = @_;	1910	my ($self) = @_;
1405		1911
1406	local $self->{deny_reset} = 1; # loading can take a long time	1912	local $self->{deny_reset} = 1; # loading can take a long time
1407		1913
1408	my $path = $self->{path};	1914	my $path = $self->{path};
		1915
		1916	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1917	my $guard = cf::lock_acquire "map_data:$path";
1410		1918
		1919	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1920	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1921
1413	$self->in_memory (cf::MAP_LOADING);	1922	$self->in_memory (cf::MAP_LOADING);
1414		1923
1415	$self->alloc;	1924	$self->alloc;
1416		1925
1417	$self->pre_load;	1926	$self->pre_load;
		1927	cf::cede_to_tick;
1418		1928
1419	$self->_load_objects ($self->{load_path}, 1)	1929	my $f = new_from_file cf::object::thawer $self->{load_path};
		1930	$f->skip_block;
		1931	$self->_load_objects ($f)
1420	or return;	1932	or return;
1421		1933
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1934	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1935	if delete $self->{load_original};
1424		1936
1425	if (my $uniq = $self->uniq_path) {	1937	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1938	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1939	unless (aio_stat $uniq) {
		1940	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1941	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1942	$self->_load_objects ($f);
		1943	$f->resolve_delayed_derefs;
		1944	}
1430	}	1945	}
1431	}	1946	}
1432		1947
1433	Coro::cede;	1948	$f->resolve_delayed_derefs;
1434		1949
		1950	cf::cede_to_tick;
1435	# now do the right thing for maps	1951	# now do the right thing for maps
1436	$self->link_multipart_objects;	1952	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;
1443	$self->set_darkness_map;
1444	$self->difficulty ($self->estimate_difficulty)	1953	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1954	unless $self->difficulty;
1446	Coro::cede;	1955	cf::cede_to_tick;
		1956
		1957	unless ($self->{deny_activate}) {
		1958	$self->decay_objects;
		1959	$self->fix_auto_apply;
		1960	$self->update_buttons;
		1961	cf::cede_to_tick;
		1962	$self->set_darkness_map;
		1963	cf::cede_to_tick;
1447	$self->activate;	1964	$self->activate;
		1965	}
		1966
		1967	$self->{last_save} = $cf::RUNTIME;
		1968	$self->last_access ($cf::RUNTIME);
		1969
		1970	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1971	}
1449		1972
1450	$self->post_load;	1973	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1974	}
1454		1975
1455	sub customise_for {	1976	sub customise_for {
1456	my ($self, $ob) = @_;	1977	my ($self, $ob) = @_;
1457		1978
1458	return find "~" . $ob->name . "/" . $self->{path}	1979	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1980	if $self->per_player;
1460		1981
		1982	# return find "?party/" . $ob->name . "/" . $self->{path}
		1983	# if $self->per_party;
		1984
1461	$self	1985	$self
1462	}	1986	}
1463		1987
1464	# find and load all maps in the 3x3 area around a map	1988	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1989	sub load_neighbours {
1466	my ($map) = @_;	1990	my ($map) = @_;
1467		1991
1468	my @diag; # diagonal neighbours	1992	my @neigh; # diagonal neighbours
1469		1993
1470	for (0 .. 3) {	1994	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1995	my $neigh = $map->tile_path ($_)
1472	or next;	1996	or next;
1473	$neigh = find $neigh, $map	1997	$neigh = find $neigh, $map
1474	or next;	1998	or next;
1475	$neigh->load;	1999	$neigh->load;
1476		2000
		2001	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2002	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2003	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2004	}
1480		2005
1481	for (@diag) {	2006	for (grep defined $_->[0], @neigh) {
		2007	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2008	my $neigh = find $path, $origin
1483	or next;	2009	or next;
1484	$neigh->load;	2010	$neigh->load;
1485	}	2011	}
1486	}	2012	}
1487		2013
…		…
1492	}	2018	}
1493		2019
1494	sub do_load_sync {	2020	sub do_load_sync {
1495	my ($map) = @_;	2021	my ($map) = @_;
1496		2022
		2023	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2024	if $Coro::current == $Coro::main;
		2025
1497	cf::sync_job { $map->load };	2026	cf::sync_job { $map->load };
1498	}	2027	}
1499		2028
1500	our %MAP_PREFETCH;	2029	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2030	our $MAP_PREFETCHER = undef;
1502		2031
1503	sub find_async {	2032	sub find_async {
1504	my ($path, $origin) = @_;	2033	my ($path, $origin, $load) = @_;
1505		2034
1506	$path = normalise $path, $origin && $origin->{path};	2035	$path = normalise $path, $origin && $origin->{path};
1507		2036
1508	if (my $map = $cf::MAP{$path}) {	2037	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2038	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2039	}
1511		2040
1512	undef $MAP_PREFETCH{$path};	2041	$MAP_PREFETCH{$path} |= $load;
		2042
1513	$MAP_PREFETCHER ||= cf::async {	2043	$MAP_PREFETCHER ||= cf::async {
		2044	$Coro::current->{desc} = "map prefetcher";
		2045
1514	while (%MAP_PREFETCH) {	2046	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2047	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2048	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2049	$map->load if $v;
		2050	}
1519		2051
1520	delete $MAP_PREFETCH{$path};	2052	delete $MAP_PREFETCH{$k};
1521	}	2053	}
1522	}	2054	}
1523	undef $MAP_PREFETCHER;	2055	undef $MAP_PREFETCHER;
1524	};	2056	};
1525	$MAP_PREFETCHER->prio (6);	2057	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2060	}
1529		2061
1530	sub save {	2062	sub save {
1531	my ($self) = @_;	2063	my ($self) = @_;
1532		2064
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2065	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2066
1535	$self->{last_save} = $cf::RUNTIME;	2067	$self->{last_save} = $cf::RUNTIME;
1536		2068
1537	return unless $self->dirty;	2069	return unless $self->dirty;
1538		2070
…		…
1544	return if $self->{deny_save};	2076	return if $self->{deny_save};
1545		2077
1546	local $self->{last_access} = $self->last_access;#d#	2078	local $self->{last_access} = $self->last_access;#d#
1547		2079
1548	cf::async {	2080	cf::async {
		2081	$Coro::current->{desc} = "map player save";
1549	$_->contr->save for $self->players;	2082	$_->contr->save for $self->players;
1550	};	2083	};
1551		2084
1552	if ($uniq) {	2085	if ($uniq) {
1553	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2086	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1561	my ($self) = @_;	2094	my ($self) = @_;
1562		2095
1563	# save first because save cedes	2096	# save first because save cedes
1564	$self->save;	2097	$self->save;
1565		2098
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2099	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2100
1568	return if $self->players;	2101	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2102	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2103	return if $self->{deny_save};
1571		2104
		2105	$self->in_memory (cf::MAP_SWAPPED);
		2106
		2107	$self->deactivate;
		2108	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2109	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2110	}
1575		2111
1576	sub reset_at {	2112	sub reset_at {
1577	my ($self) = @_;	2113	my ($self) = @_;
1578		2114
1579	# TODO: safety, remove and allow resettable per-player maps	2115	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2116	return 1e99 if $self->{deny_reset};
1582		2117
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2118	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2119	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2120
…		…
1596	my ($self) = @_;	2131	my ($self) = @_;
1597		2132
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2133	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2134
1600	return if $self->players;	2135	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2136
1603	warn "resetting map ", $self->path;#d#	2137	warn "resetting map ", $self->path;
		2138
		2139	$self->in_memory (cf::MAP_SWAPPED);
		2140
		2141	# need to save uniques path
		2142	unless ($self->{deny_save}) {
		2143	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2144
		2145	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2146	if $uniq;
		2147	}
1604		2148
1605	delete $cf::MAP{$self->path};	2149	delete $cf::MAP{$self->path};
1606		2150
1607	$self->in_memory (cf::MAP_SWAPPED);	2151	$self->deactivate;
		2152	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2153	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2154
1612	$self->unlink_save;	2155	$self->unlink_save;
1613	$self->destroy;	2156	$self->destroy;
1614	}	2157	}
1615		2158
1616	my $nuke_counter = "aaaa";	2159	my $nuke_counter = "aaaa";
1617		2160
1618	sub nuke {	2161	sub nuke {
1619	my ($self) = @_;	2162	my ($self) = @_;
1620		2163
		2164	{
		2165	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2166
1621	delete $cf::MAP{$self->path};	2167	delete $cf::MAP{$self->path};
1622		2168
1623	$self->unlink_save;	2169	$self->unlink_save;
1624		2170
1625	bless $self, "cf::map";	2171	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2172	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2173	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2174	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2175	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2176
1631	$cf::MAP{$self->path} = $self;	2177	$cf::MAP{$self->path} = $self;
		2178	}
1632		2179
1633	$self->reset; # polite request, might not happen	2180	$self->reset; # polite request, might not happen
		2181	}
		2182
		2183	=item $maps = cf::map::tmp_maps
		2184
		2185	Returns an arrayref with all map paths of currently instantiated and saved
		2186	maps. May block.
		2187
		2188	=cut
		2189
		2190	sub tmp_maps() {
		2191	[
		2192	map {
		2193	utf8::decode $_;
		2194	/\.map$/
		2195	? normalise $_
		2196	: ()
		2197	} @{ aio_readdir $TMPDIR or [] }
		2198	]
		2199	}
		2200
		2201	=item $maps = cf::map::random_maps
		2202
		2203	Returns an arrayref with all map paths of currently instantiated and saved
		2204	random maps. May block.
		2205
		2206	=cut
		2207
		2208	sub random_maps() {
		2209	[
		2210	map {
		2211	utf8::decode $_;
		2212	/\.map$/
		2213	? normalise "?random/$_"
		2214	: ()
		2215	} @{ aio_readdir $RANDOMDIR or [] }
		2216	]
1634	}	2217	}
1635		2218
1636	=item cf::map::unique_maps	2219	=item cf::map::unique_maps
1637		2220
1638	Returns an arrayref of paths of all shared maps that have	2221	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2222	instantiated unique items. May block.
1640		2223
1641	=cut	2224	=cut
1642		2225
1643	sub unique_maps() {	2226	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2227	[
1645	or return;	2228	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2229	utf8::decode $_;
1651	next if /\.pst$/;	2230	/\.map$/
1652	next unless /^$PATH_SEP/o;	2231	? normalise $_
1653		2232	: ()
1654	push @paths, cf::map::normalise $_;	2233	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2234	]
1656
1657	\@paths
1658	}	2235	}
1659		2236
1660	package cf;	2237	package cf;
1661		2238
1662	=back	2239	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2257	map { $_, inv_recursive_ $_->inv } @_
1681	}	2258	}
1682		2259
1683	sub inv_recursive {	2260	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2261	inv_recursive_ inv $_[0]
		2262	}
		2263
		2264	=item $ref = $ob->ref
		2265
		2266	creates and returns a persistent reference to an objetc that can be stored as a string.
		2267
		2268	=item $ob = cf::object::deref ($refstring)
		2269
		2270	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2271	even if the object actually exists. May block.
		2272
		2273	=cut
		2274
		2275	sub deref {
		2276	my ($ref) = @_;
		2277
		2278	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2279	my ($uuid, $name) = ($1, $2);
		2280	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2281	or return;
		2282	$pl->ob->uuid eq $uuid
		2283	or return;
		2284
		2285	$pl->ob
		2286	} else {
		2287	warn "$ref: cannot resolve object reference\n";
		2288	undef
		2289	}
1685	}	2290	}
1686		2291
1687	package cf;	2292	package cf;
1688		2293
1689	=back	2294	=back
…		…
1708		2313
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2314	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2315
1711	if ($self->{record_replies}) {	2316	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2317	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2318
1713	} else {	2319	} else {
		2320	my $pl = $self->contr;
		2321
		2322	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2323	my $dialog = $pl->{npc_dialog};
		2324	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2325
		2326	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2327	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2328	$self->message ($msg, $flags);
		2329	}
1716	}	2330	}
		2331	}
		2332
		2333	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2334
		2335	=cut
		2336
		2337	sub cf::object::send_msg {
		2338	my $pl = shift->contr
		2339	or return;
		2340	$pl->send_msg (@_);
1717	}	2341	}
1718		2342
1719	=item $player_object->may ("access")	2343	=item $player_object->may ("access")
1720		2344
1721	Returns wether the given player is authorized to access resource "access"	2345	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2392	$self->deactivate_recursive;
1769		2393
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2394	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2395
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2396	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2397	if $self->map && $self->map->{path} ne "{link}";
1774		2398
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2399	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2400	}
1777		2401
1778	sub cf::object::player::leave_link {	2402	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2403	my ($self, $map, $x, $y) = @_;
		2404
		2405	return unless $self->contr->active;
1780		2406
1781	my $link_pos = delete $self->{_link_pos};	2407	my $link_pos = delete $self->{_link_pos};
1782		2408
1783	unless ($map) {	2409	unless ($map) {
1784	# restore original map position	2410	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2424	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2425	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2426	if $x <=0 && $y <= 0;
1801		2427
1802	$map->load;	2428	$map->load;
1803	$map->load_diag;	2429	$map->load_neighbours;
1804		2430
1805	return unless $self->contr->active;	2431	return unless $self->contr->active;
1806	$self->activate_recursive;	2432	$self->activate_recursive;
		2433
		2434	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2435	$self->enter_map ($map, $x, $y);
1808	}	2436	}
1809		2437
1810	cf::player->attach (	2438	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2439
1814	# abort map switching before logout	2440	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2441	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2442	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2443	the new (success) or old (failed) map position. In either case, $done will
1818	};	2444	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2445
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2446	=cut
		2447
		2448	our $GOTOGEN;
1845		2449
1846	sub cf::object::player::goto {	2450	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2451	my ($self, $path, $x, $y, $check, $done) = @_;
		2452
		2453	# do generation counting so two concurrent goto's will be executed in-order
		2454	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2455
1849	$self->enter_link;	2456	$self->enter_link;
1850		2457
1851	(async {	2458	(async {
		2459	$Coro::current->{desc} = "player::goto $path $x $y";
		2460
		2461	# *tag paths override both path and x|y
		2462	if ($path =~ /^\*(.*)$/) {
		2463	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2464	my $ob = $obs[rand @obs];
		2465
		2466	# see if we actually can go there
		2467	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2468	$ob = $obs[rand @obs];
		2469	} else {
		2470	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2471	}
		2472	# else put us there anyways for now #d#
		2473
		2474	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2475	} else {
		2476	($path, $x, $y) = (undef, undef, undef);
		2477	}
		2478	}
		2479
1852	my $map = eval {	2480	my $map = eval {
1853	my $map = cf::map::find $path;	2481	my $map = defined $path ? cf::map::find $path : undef;
		2482
		2483	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2484	$map = $map->customise_for ($self);
		2485	$map = $check->($map) if $check && $map;
		2486	} else {
		2487	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2488	}
		2489
1855	$map	2490	$map
		2491	};
		2492
		2493	if ($@) {
		2494	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2495	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2496	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2497
		2498	if ($gen == $self->{_goto_generation}) {
		2499	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2500	$self->leave_link ($map, $x, $y);
		2501	}
		2502
		2503	$done->() if $done;
1860	})->prio (1);	2504	})->prio (1);
1861	}	2505	}
1862		2506
1863	=item $player_object->enter_exit ($exit_object)	2507	=item $player_object->enter_exit ($exit_object)
1864		2508
…		…
1903		2547
1904	$rmp->{random_seed} ||= $exit->random_seed;	2548	$rmp->{random_seed} ||= $exit->random_seed;
1905		2549
1906	my $data = cf::to_json $rmp;	2550	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2551	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2552	my $meta = "$RANDOMDIR/$md5.meta";
1909		2553
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2554	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2555	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2556	undef $fh;
1913	aio_rename "$meta~", $meta;	2557	aio_rename "$meta~", $meta;
…		…
1922		2566
1923	return unless $self->type == cf::PLAYER;	2567	return unless $self->type == cf::PLAYER;
1924		2568
1925	if ($exit->slaying eq "/!") {	2569	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2570	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2571	# the problem is that $exit might not survive long enough
		2572	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2573	cf::sync_job { prepare_random_map $exit };
1928	}	2574	}
1929		2575
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2576	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2577	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2578	my $sp = $exit->stats->sp;
1933		2579
1934	$self->enter_link;	2580	$self->enter_link;
1935		2581
		2582	# if exit is damned, update players death & WoR home-position
		2583	$self->contr->savebed ($slaying, $hp, $sp)
		2584	if $exit->flag (FLAG_DAMNED);
		2585
1936	(async {	2586	(async {
		2587	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2588
1937	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2590	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1940		2592
1941	1;	2593	1;
1942	}) {	2594	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2599
1948	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2601	$self->leave_link;
1950	}	2602	}
1951	})->prio (1);	2603	})->prio (1);
…		…
1964		2616
1965	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1967		2619
1968	utf8::encode $text;	2620	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2622	}
1971		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "infobox",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "infobox",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	"c/lookat" => {
		2647	id => "infobox",
		2648	title => "Look",
		2649	reply => undef,
		2650	tooltip => "What you saw there",
		2651	},
		2652	);
		2653
		2654	sub cf::client::send_msg {
		2655	my ($self, $channel, $msg, $color, @extra) = @_;
		2656
		2657	$msg = $self->pl->expand_cfpod ($msg);
		2658
		2659	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2660
		2661	# check predefined channels, for the benefit of C
		2662	if ($CHANNEL{$channel}) {
		2663	$channel = $CHANNEL{$channel};
		2664
		2665	$self->ext_msg (channel_info => $channel)
		2666	if $self->can_msg;
		2667
		2668	$channel = $channel->{id};
		2669
		2670	} elsif (ref $channel) {
		2671	# send meta info to client, if not yet sent
		2672	unless (exists $self->{channel}{$channel->{id}}) {
		2673	$self->{channel}{$channel->{id}} = $channel;
		2674	$self->ext_msg (channel_info => $channel)
		2675	if $self->can_msg;
		2676	}
		2677
		2678	$channel = $channel->{id};
		2679	}
		2680
		2681	return unless @extra || length $msg;
		2682
		2683	if ($self->can_msg) {
		2684	# default colour, mask it out
		2685	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2686	if $color & cf::NDI_DEF;
		2687
		2688	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2689	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2690	} else {
		2691	if ($color >= 0) {
		2692	# replace some tags by gcfclient-compatible ones
		2693	for ($msg) {
		2694	1 while
		2695	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2696	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2697	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2698	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2699	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2700	}
		2701
		2702	$color &= cf::NDI_COLOR_MASK;
		2703
		2704	utf8::encode $msg;
		2705
		2706	if (0 && $msg =~ /\[/) {
		2707	# COMMAND/INFO
		2708	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2709	} else {
		2710	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2711	$self->send_packet ("drawinfo $color $msg")
		2712	}
		2713	}
		2714	}
		2715	}
		2716
		2717	=item $client->ext_msg ($type, @msg)
		2718
		2719	Sends an ext event to the client.
		2720
		2721	=cut
		2722
		2723	sub cf::client::ext_msg($$@) {
		2724	my ($self, $type, @msg) = @_;
		2725
		2726	if ($self->extcmd == 2) {
		2727	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2728	} elsif ($self->extcmd == 1) { # TODO: remove
		2729	push @msg, msgtype => "event_$type";
		2730	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2731	}
		2732	}
		2733
		2734	=item $client->ext_reply ($msgid, @msg)
		2735
		2736	Sends an ext reply to the client.
		2737
		2738	=cut
		2739
		2740	sub cf::client::ext_reply($$@) {
		2741	my ($self, $id, @msg) = @_;
		2742
		2743	if ($self->extcmd == 2) {
		2744	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2745	} elsif ($self->extcmd == 1) {
		2746	#TODO: version 1, remove
		2747	unshift @msg, msgtype => "reply", msgid => $id;
		2748	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2749	}
		2750	}
1972		2751
1973	=item $success = $client->query ($flags, "text", \&cb)	2752	=item $success = $client->query ($flags, "text", \&cb)
1974		2753
1975	Queues a query to the client, calling the given callback with	2754	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2755	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2756	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2757
1979	Queries can fail, so check the return code. Or don't, as queries will become	2758	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2759	become reliable at some point in the future.
1981		2760
1982	=cut	2761	=cut
1983		2762
1984	sub cf::client::query {	2763	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2764	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2772	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2773	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2774
1996	$self->send_packet ($self->{query_queue}[0][0])	2775	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2776	if @{ $self->{query_queue} } == 1;
		2777
		2778	1
1998	}	2779	}
1999		2780
2000	cf::client->attach (	2781	cf::client->attach (
		2782	on_connect => sub {
		2783	my ($ns) = @_;
		2784
		2785	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2786	},
2001	on_reply => sub {	2787	on_reply => sub {
2002	my ($ns, $msg) = @_;	2788	my ($ns, $msg) = @_;
2003		2789
2004	# this weird shuffling is so that direct followup queries	2790	# this weird shuffling is so that direct followup queries
2005	# get handled first	2791	# get handled first
…		…
2017	} else {	2803	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2804	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2805	}
2020	}	2806	}
2021	},	2807	},
		2808	on_exticmd => sub {
		2809	my ($ns, $buf) = @_;
		2810
		2811	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2812
		2813	if (ref $msg) {
		2814	my ($type, $reply, @payload) =
		2815	"ARRAY" eq ref $msg
		2816	? @$msg
		2817	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2818
		2819	my @reply;
		2820
		2821	if (my $cb = $EXTICMD{$type}) {
		2822	@reply = $cb->($ns, @payload);
		2823	}
		2824
		2825	$ns->ext_reply ($reply, @reply)
		2826	if $reply;
		2827
		2828	} else {
		2829	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2830	}
		2831
		2832	cf::override;
		2833	},
2022	);	2834	);
2023		2835
2024	=item $client->async (\&cb)	2836	=item $client->async (\&cb)
2025		2837
2026	Create a new coroutine, running the specified callback. The coroutine will	2838	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2879	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2880	our $safe_hole = new Safe::Hole;
2069		2881
2070	$SIG{FPE} = 'IGNORE';	2882	$SIG{FPE} = 'IGNORE';
2071		2883
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2884	$safe->permit_only (Opcode::opset qw(
		2885	:base_core :base_mem :base_orig :base_math
		2886	grepstart grepwhile mapstart mapwhile
		2887	sort time
		2888	));
2073		2889
2074	# here we export the classes and methods available to script code	2890	# here we export the classes and methods available to script code
2075		2891
2076	=pod	2892	=pod
2077		2893
2078	The following fucntions and emthods are available within a safe environment:	2894	The following functions and methods are available within a safe environment:
2079		2895
2080	cf::object contr pay_amount pay_player map	2896	cf::object
		2897	contr pay_amount pay_player map x y force_find force_add
		2898	insert remove name archname title slaying race decrease_ob_nr
		2899
2081	cf::object::player player	2900	cf::object::player
2082	cf::player peaceful	2901	player
2083	cf::map trigger	2902
		2903	cf::player
		2904	peaceful
		2905
		2906	cf::map
		2907	trigger
2084		2908
2085	=cut	2909	=cut
2086		2910
2087	for (	2911	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2912	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2913	insert remove inv name archname title slaying race
		2914	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2915	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2916	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2917	["cf::map" => qw(trigger)],
2092	) {	2918	) {
2093	no strict 'refs';	2919	no strict 'refs';
…		…
2164	=back	2990	=back
2165		2991
2166	=cut	2992	=cut
2167		2993
2168	#############################################################################	2994	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2995	# the server's init and main functions
2278		2996
2279	sub load_resources {	2997	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2998	my ($path) = @_;
		2999
		3000	# HACK to clear player env face cache, we need some signal framework
		3001	# for this (global event?)
		3002	%ext::player_env::MUSIC_FACE_CACHE = ();
		3003
		3004	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3005
		3006	warn "loading facedata from $path\n";
		3007
		3008	my $facedata;
		3009	0 < aio_load $path, $facedata
		3010	or die "$path: $!";
		3011
		3012	$facedata = Coro::Storable::thaw $facedata;
		3013
		3014	$facedata->{version} == 2
		3015	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3016
		3017	# patch in the exptable
		3018	$facedata->{resource}{"res/exp_table"} = {
		3019	type => FT_RSRC,
		3020	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3021	};
		3022	cf::cede_to_tick;
		3023
		3024	{
		3025	my $faces = $facedata->{faceinfo};
		3026
		3027	while (my ($face, $info) = each %$faces) {
		3028	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3029	cf::face::set_visibility $idx, $info->{visibility};
		3030	cf::face::set_magicmap $idx, $info->{magicmap};
		3031	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3032	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3033
		3034	cf::cede_to_tick;
		3035	}
		3036
		3037	while (my ($face, $info) = each %$faces) {
		3038	next unless $info->{smooth};
		3039	my $idx = cf::face::find $face
		3040	or next;
		3041	if (my $smooth = cf::face::find $info->{smooth}) {
		3042	cf::face::set_smooth $idx, $smooth;
		3043	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3044	} else {
		3045	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3046	}
		3047
		3048	cf::cede_to_tick;
		3049	}
		3050	}
		3051
		3052	{
		3053	my $anims = $facedata->{animinfo};
		3054
		3055	while (my ($anim, $info) = each %$anims) {
		3056	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3057	cf::cede_to_tick;
		3058	}
		3059
		3060	cf::anim::invalidate_all; # d'oh
		3061	}
		3062
		3063	{
		3064	# TODO: for gcfclient pleasure, we should give resources
		3065	# that gcfclient doesn't grok a >10000 face index.
		3066	my $res = $facedata->{resource};
		3067
		3068	my $soundconf = delete $res->{"res/sound.conf"};
		3069
		3070	while (my ($name, $info) = each %$res) {
		3071	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3072	my $data;
		3073
		3074	if ($info->{type} & 1) {
		3075	# prepend meta info
		3076
		3077	my $meta = $enc->encode ({
		3078	name => $name,
		3079	%{ $info->{meta} || {} },
		3080	});
		3081
		3082	$data = pack "(w/a*)*", $meta, $info->{data};
		3083	} else {
		3084	$data = $info->{data};
		3085	}
		3086
		3087	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3088	cf::face::set_type $idx, $info->{type};
		3089
		3090	cf::cede_to_tick;
		3091	}
		3092
		3093	if ($soundconf) {
		3094	$soundconf = $enc->decode (delete $soundconf->{data});
		3095
		3096	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3097	my $sound = $soundconf->{compat}[$_]
		3098	or next;
		3099
		3100	my $face = cf::face::find "sound/$sound->[1]";
		3101	cf::sound::set $sound->[0] => $face;
		3102	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3103	}
		3104
		3105	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3106	my $face = cf::face::find "sound/$v";
		3107	cf::sound::set $k => $face;
		3108	}
		3109	}
		3110	}
		3111
		3112	1
		3113	}
		3114
		3115	register_exticmd fx_want => sub {
		3116	my ($ns, $want) = @_;
		3117
		3118	while (my ($k, $v) = each %$want) {
		3119	$ns->fx_want ($k, $v);
		3120	}
		3121	};
		3122
		3123	sub reload_regions {
		3124	# HACK to clear player env face cache, we need some signal framework
		3125	# for this (global event?)
		3126	%ext::player_env::MUSIC_FACE_CACHE = ();
		3127
		3128	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3129	or die "unable to load regions file\n";
2282	}
2283		3130
2284	sub cfg_load {	3131	for (cf::region::list) {
		3132	$_->{match} = qr/$_->{match}/
		3133	if exists $_->{match};
		3134	}
		3135	}
		3136
		3137	sub reload_facedata {
		3138	load_facedata "$DATADIR/facedata"
		3139	or die "unable to load facedata\n";
		3140	}
		3141
		3142	sub reload_archetypes {
		3143	load_resource_file "$DATADIR/archetypes"
		3144	or die "unable to load archetypes\n";
		3145	#d# NEED to laod twice to resolve forward references
		3146	# this really needs to be done in an extra post-pass
		3147	# (which needs to be synchronous, so solve it differently)
		3148	load_resource_file "$DATADIR/archetypes"
		3149	or die "unable to load archetypes\n";
		3150	}
		3151
		3152	sub reload_treasures {
		3153	load_resource_file "$DATADIR/treasures"
		3154	or die "unable to load treasurelists\n";
		3155	}
		3156
		3157	sub reload_resources {
		3158	warn "reloading resource files...\n";
		3159
		3160	reload_regions;
		3161	reload_facedata;
		3162	#reload_archetypes;#d#
		3163	reload_archetypes;
		3164	reload_treasures;
		3165
		3166	warn "finished reloading resource files\n";
		3167	}
		3168
		3169	sub init {
		3170	reload_resources;
		3171	}
		3172
		3173	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3174	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3175	or return;
2287		3176
2288	local $/;	3177	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3178	*CFG = YAML::Syck::Load <$fh>;
2290		3179
…		…
2300	};	3189	};
2301	warn $@ if $@;	3190	warn $@ if $@;
2302	}	3191	}
2303	}	3192	}
2304		3193
2305	sub init {
2306	load_resources;
2307	}
2308
2309	sub main {	3194	sub main {
2310	# we must not ever block the main coroutine	3195	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3196	local $Coro::idle = sub {
2312	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3197	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2313	(async {	3198	(async {
		3199	$Coro::current->{desc} = "IDLE BUG HANDLER";
2314	Event::one_event;	3200	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3201	})->prio (Coro::PRIO_MAX);
2316	};	3202	};
2317		3203
2318	cfg_load;	3204	reload_config;
2319	db_load;	3205	db_init;
2320	load_extensions;	3206	load_extensions;
2321		3207
2322	$TICK_WATCHER->start;	3208	$TICK_WATCHER->start;
2323	Event::loop;	3209	Event::loop;
2324	}	3210	}
…		…
2339	},	3225	},
2340	);	3226	);
2341	}	3227	}
2342	}	3228	}
2343		3229
		3230	sub write_runtime {
		3231	my $runtime = "$LOCALDIR/runtime";
		3232
		3233	# first touch the runtime file to show we are still running:
		3234	# the fsync below can take a very very long time.
		3235
		3236	IO::AIO::aio_utime $runtime, undef, undef;
		3237
		3238	my $guard = cf::lock_acquire "write_runtime";
		3239
		3240	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3241	or return;
		3242
		3243	my $value = $cf::RUNTIME + 90 + 10;
		3244	# 10 is the runtime save interval, for a monotonic clock
		3245	# 60 allows for the watchdog to kill the server.
		3246
		3247	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3248	and return;
		3249
		3250	# always fsync - this file is important
		3251	aio_fsync $fh
		3252	and return;
		3253
		3254	# touch it again to show we are up-to-date
		3255	aio_utime $fh, undef, undef;
		3256
		3257	close $fh
		3258	or return;
		3259
		3260	aio_rename "$runtime~", $runtime
		3261	and return;
		3262
		3263	warn "runtime file written.\n";
		3264
		3265	1
		3266	}
		3267
2344	sub emergency_save() {	3268	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3269	my $freeze_guard = cf::freeze_mainloop;
2346		3270
2347	warn "enter emergency perl save\n";	3271	warn "enter emergency perl save\n";
2348		3272
…		…
2363	my $map = $cf::MAP{$path} or next;	3287	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3288	$map->valid or next;
2365	$map->save;	3289	$map->save;
2366	}	3290	}
2367	warn "end emergency map save\n";	3291	warn "end emergency map save\n";
		3292
		3293	warn "begin emergency database checkpoint\n";
		3294	BDB::db_env_txn_checkpoint $DB_ENV;
		3295	warn "end emergency database checkpoint\n";
2368	};	3296	};
2369		3297
2370	warn "leave emergency perl save\n";	3298	warn "leave emergency perl save\n";
2371	}	3299	}
2372		3300
		3301	sub post_cleanup {
		3302	my ($make_core) = @_;
		3303
		3304	warn Carp::longmess "post_cleanup backtrace"
		3305	if $make_core;
		3306	}
		3307
2373	sub reload() {	3308	sub do_reload_perl() {
2374	# can/must only be called in main	3309	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3310	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3311	warn "can only reload from main coroutine";
2377	return;	3312	return;
2378	}	3313	}
2379		3314
2380	warn "reloading...";	3315	warn "reloading...";
2381		3316
2382	warn "cancelling server ticker";	3317	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3318
		3319	cf::sync_job {
		3320	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3321	cf::emergency_save;
		3322	cf::write_runtime; # external watchdog should not bark
2386		3323
2387	eval {	3324	warn "syncing database to disk";
		3325	BDB::db_env_txn_checkpoint $DB_ENV;
		3326
2388	# if anything goes wrong in here, we should simply crash as we already saved	3327	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3328
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3329	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3330	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3331	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3332	}
2397		3333
2398	warn "flushing outstanding aio requests";	3334	warn "flushing outstanding aio requests";
2399	for (;;) {	3335	for (;;) {
		3336	BDB::flush;
2400	IO::AIO::flush;	3337	IO::AIO::flush;
2401	Coro::cede;	3338	Coro::cede;
2402	last unless IO::AIO::nreqs;	3339	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3340	warn "iterate...";
2404	}	3341	}
		3342
		3343	++$RELOAD;
2405		3344
2406	warn "cancelling all extension coros";	3345	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3346	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3347	%EXT_CORO = ();
2409		3348
2410	warn "removing commands";	3349	warn "removing commands";
2411	%COMMAND = ();	3350	%COMMAND = ();
2412		3351
2413	warn "removing ext commands";	3352	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3353	%EXTCMD = ();
		3354	%EXTICMD = ();
2415		3355
2416	warn "unloading/nuking all extensions";	3356	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3357	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3358	warn "... unloading $pkg";
2419		3359
…		…
2449	Symbol::delete_package "safe::$_"	3389	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3390	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3391
2452	warn "unloading cf.pm \"a bit\"";	3392	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3393	delete $INC{"cf.pm"};
		3394	delete $INC{"cf/pod.pm"};
2454		3395
2455	# don't, removes xs symbols, too,	3396	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3397	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3398	#Symbol::delete_package __PACKAGE__;
2458		3399
…		…
2461	warn "reloading cf.pm";	3402	warn "reloading cf.pm";
2462	require cf;	3403	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3404	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3405
2465	warn "loading config and database again";	3406	warn "loading config and database again";
2466	cf::cfg_load;	3407	cf::reload_config;
2467	cf::db_load;
2468		3408
2469	warn "loading extensions";	3409	warn "loading extensions";
2470	cf::load_extensions;	3410	cf::load_extensions;
2471		3411
2472	warn "reattaching attachments to objects/players";	3412	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3413	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3414	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3415	reattach $_ for values %MAP;
		3416	warn "reattaching attachments to players";
		3417	reattach $_ for values %PLAYER;
2476		3418
2477	warn "loading reloadable resources";	3419	warn "leaving sync_job";
2478	load_resources;
2479		3420
2480	warn "restarting server ticker";	3421	1
2481		3422	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3423	warn $@;
2487	warn "error while reloading, exiting.";	3424	warn "error while reloading, exiting.";
2488	exit 1;	3425	exit 1;
2489	}	3426	};
2490		3427
2491	warn "reloaded";	3428	warn "reloaded";
2492	};	3429	};
2493		3430
2494	our $RELOAD_WATCHER; # used only during reload	3431	our $RELOAD_WATCHER; # used only during reload
2495		3432
		3433	sub reload_perl() {
		3434	# doing reload synchronously and two reloads happen back-to-back,
		3435	# coro crashes during coro_state_free->destroy here.
		3436
		3437	$RELOAD_WATCHER ||= Event->timer (
		3438	reentrant => 0,
		3439	after => 0,
		3440	data => WF_AUTOCANCEL,
		3441	cb => sub {
		3442	do_reload_perl;
		3443	undef $RELOAD_WATCHER;
		3444	},
		3445	);
		3446	}
		3447
2496	register_command "reload" => sub {	3448	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3449	my ($who, $arg) = @_;
2498		3450
2499	if ($who->flag (FLAG_WIZ)) {	3451	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3452	$who->message ("reloading server.");
2501		3453	async {
2502	# doing reload synchronously and two reloads happen back-to-back,	3454	$Coro::current->{desc} = "perl_reload";
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;	3455	reload_perl;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);	3456	};
2514	}	3457	}
2515	};	3458	};
2516		3459
2517	unshift @INC, $LIBDIR;	3460	unshift @INC, $LIBDIR;
2518		3461
2519	my $bug_warning = 0;	3462	my $bug_warning = 0;
		3463
		3464	our @WAIT_FOR_TICK;
		3465	our @WAIT_FOR_TICK_BEGIN;
		3466
		3467	sub wait_for_tick {
		3468	return unless $TICK_WATCHER->is_active;
		3469	return if $Coro::current == $Coro::main;
		3470
		3471	my $signal = new Coro::Signal;
		3472	push @WAIT_FOR_TICK, $signal;
		3473	$signal->wait;
		3474	}
		3475
		3476	sub wait_for_tick_begin {
		3477	return unless $TICK_WATCHER->is_active;
		3478	return if $Coro::current == $Coro::main;
		3479
		3480	my $signal = new Coro::Signal;
		3481	push @WAIT_FOR_TICK_BEGIN, $signal;
		3482	$signal->wait;
		3483	}
2520		3484
2521	$TICK_WATCHER = Event->timer (	3485	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3486	reentrant => 0,
2523	parked => 1,	3487	parked => 1,
2524	prio => 0,	3488	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3493	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3494	unless ++$bug_warning > 10;
2531	return;	3495	return;
2532	}	3496	}
2533		3497
2534	$NOW = Event::time;	3498	$NOW = $tick_start = Event::time;
2535		3499
2536	cf::server_tick; # one server iteration	3500	cf::server_tick; # one server iteration
		3501
2537	$RUNTIME += $TICK;	3502	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3503	$NEXT_TICK += $TICK;
2539		3504
2540	$WAIT_FOR_TICK->broadcast;	3505	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3506	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3507	Coro::async_pool {
2543	Event::sweep;	3508	$Coro::current->{desc} = "runtime saver";
2544	Coro::cede_notself;	3509	write_runtime
		3510	or warn "ERROR: unable to write runtime file: $!";
		3511	};
2545		3512	}
2546	# my $AFTER = Event::time;	3513
2547	# warn $AFTER - $NOW;#d#	3514	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3515	$sig->send;
		3516	}
		3517	while (my $sig = shift @WAIT_FOR_TICK) {
		3518	$sig->send;
		3519	}
		3520
		3521	$NOW = Event::time;
2548		3522
2549	# if we are delayed by four ticks or more, skip them all	3523	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3524	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3525
2552	$TICK_WATCHER->at ($NEXT_TICK);	3526	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3527	$TICK_WATCHER->start;
		3528
		3529	$LOAD = ($NOW - $tick_start) / $TICK;
		3530	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3531
		3532	_post_tick;
2554	},	3533	},
2555	);	3534	);
2556		3535
		3536	{
		3537	BDB::min_parallel 8;
		3538	BDB::max_poll_time $TICK * 0.1;
		3539	$BDB_POLL_WATCHER = Event->io (
		3540	reentrant => 0,
		3541	fd => BDB::poll_fileno,
		3542	poll => 'r',
		3543	prio => 0,
		3544	data => WF_AUTOCANCEL,
		3545	cb => \&BDB::poll_cb,
		3546	);
		3547
		3548	BDB::set_sync_prepare {
		3549	my $status;
		3550	my $current = $Coro::current;
		3551	(
		3552	sub {
		3553	$status = $!;
		3554	$current->ready; undef $current;
		3555	},
		3556	sub {
		3557	Coro::schedule while defined $current;
		3558	$! = $status;
		3559	},
		3560	)
		3561	};
		3562
		3563	unless ($DB_ENV) {
		3564	$DB_ENV = BDB::db_env_create;
		3565	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3566	| BDB::LOG_AUTOREMOVE, 1);
		3567	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3568	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3569
		3570	cf::sync_job {
		3571	eval {
		3572	BDB::db_env_open
		3573	$DB_ENV,
		3574	$BDBDIR,
		3575	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3576	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3577	0666;
		3578
		3579	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3580	};
		3581
		3582	cf::cleanup "db_env_open(db): $@" if $@;
		3583	};
		3584	}
		3585
		3586	$BDB_DEADLOCK_WATCHER = Event->timer (
		3587	after => 3,
		3588	interval => 1,
		3589	hard => 1,
		3590	prio => 0,
		3591	data => WF_AUTOCANCEL,
		3592	cb => sub {
		3593	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3594	},
		3595	);
		3596	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3597	after => 11,
		3598	interval => 60,
		3599	hard => 1,
		3600	prio => 0,
		3601	data => WF_AUTOCANCEL,
		3602	cb => sub {
		3603	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3604	},
		3605	);
		3606	$BDB_TRICKLE_WATCHER = Event->timer (
		3607	after => 5,
		3608	interval => 10,
		3609	hard => 1,
		3610	prio => 0,
		3611	data => WF_AUTOCANCEL,
		3612	cb => sub {
		3613	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3614	},
		3615	);
		3616	}
		3617
		3618	{
		3619	IO::AIO::min_parallel 8;
		3620
		3621	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3622	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3623	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3624	reentrant => 0,
		3625	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3626	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3627	poll => 'r',
2564	prio => 6,	3628	prio => 0,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3629	cb => \&IO::AIO::poll_cb,
2567	);	3630	);
		3631	}
2568		3632
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3633	my $_log_backtrace;
2570	reentrant => 0,	3634
2571	data => WF_AUTOCANCEL,	3635	sub _log_backtrace {
2572	after => 1,	3636	my ($msg, @addr) = @_;
2573	interval => 10,	3637
2574	prio => 6, # keep it lowest so it acts like a watchdog	3638	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3639
2576	write_runtime	3640	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3641	if ($_log_backtrace < 2) {
		3642	++$_log_backtrace;
		3643	async {
		3644	$Coro::current->{desc} = "abt $msg";
		3645
		3646	my @bt = fork_call {
		3647	@addr = map { sprintf "%x", $_ } @addr;
		3648	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3649	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3650	or die "addr2line: $!";
		3651
		3652	my @funcs;
		3653	my @res = <$fh>;
		3654	chomp for @res;
		3655	while (@res) {
		3656	my ($func, $line) = splice @res, 0, 2, ();
		3657	push @funcs, "[$func] $line";
		3658	}
		3659
		3660	@funcs
		3661	};
		3662
		3663	LOG llevInfo, "[ABT] $msg\n";
		3664	LOG llevInfo, "[ABT] $_\n" for @bt;
		3665	--$_log_backtrace;
		3666	};
		3667	} else {
		3668	LOG llevInfo, "[ABT] $msg\n";
		3669	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3670	}
2579	);	3671	}
		3672
		3673	# load additional modules
		3674	use cf::pod;
2580		3675
2581	END { cf::emergency_save }	3676	END { cf::emergency_save }
2582		3677
2583	1	3678	1
2584		3679

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