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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 1.372 by root, Sat Sep 15 13:25:33 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	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
274	}	395	}
275		396
276	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
277		398
278	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		404
284	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
285		406
286	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
287		408
288	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
289	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
290	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
291		413
292	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
293	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
294	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
295	fast or be very important.	417	fast or be very important.
…		…
298		420
299	sub sync_job(&) {	421	sub sync_job(&) {
300	my ($job) = @_;	422	my ($job) = @_;
301		423
302	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
303	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
305		429
306	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
318		442
319	while ($busy) {	443	while ($busy) {
320	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
321	}	445	}
322		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
323	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
324	} else {	455	} else {
325	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
326		457
327	$job->()	458	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
347		478
348	$coro	479	$coro
349	}	480	}
350		481
351	sub write_runtime {	482	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		483
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	484	Executes the given code block with the given arguments in a seperate
355	or return;	485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
356		488
357	my $value = $cf::RUNTIME + 90 + 10;	489	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		490
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	491	sub fork_call(&@) {
362	and return;	492	my ($cb, @args) = @_;
363		493
364	# always fsync - this file is important	494	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	495	# otherwise perl prematurely frees the stuff :/
366	and return;	496	# TODO: investigate and fix (likely this will be rather laborious)
367		497
368	close $fh	498	my @res = Coro::Util::fork_eval {
369	or return;	499	reset_signals;
		500	&$cb
		501	}, @args;
370		502
371	aio_rename "$runtime~", $runtime	503	wantarray ? @res : $res[-1]
372	and return;	504	}
373		505
		506	=item $value = cf::db_get $family => $key
		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
374	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
375	}	642	}
376		643
377	=back	644	=back
378		645
379	=cut	646	=cut
…		…
386	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
387	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
388		655
389	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
390	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
391	crossfire+).	658	Crossfire TRT).
392		659
393	=over 4	660	=over 4
394		661
395	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
396		663
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
560		827
561	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		832
566	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	834	my $pkg = shift @arg;
568		835
569	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
599	}	866	}
600		867
601	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
602	} else {	869	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	871	}
605		872
606	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
607	}	874	}
608		875
…		…
610	if (ref $_[0]) {	877	if (ref $_[0]) {
611	_object_attach @_;	878	_object_attach @_;
612	} else {	879	} else {
613	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
614	}	881	}
		882	_recalc_want;
615	};	883	};
616		884
617	# all those should be optimised	885	# all those should be optimised
618	sub cf::attachable::detach {	886	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
623	reattach ($obj);	891	reattach ($obj);
624	} else {	892	} else {
625	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
626	}	894	}
		895	_recalc_want;
627	};	896	};
628		897
629	sub cf::attachable::attached {	898	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
631		900
…		…
646	";	915	";
647	die if $@;	916	die if $@;
648	}	917	}
649		918
650	our $override;	919	our $override;
651	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
652		921
653	sub override {	922	sub override {
654	$override = 1;	923	$override = 1;
655	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
656	}	925	}
657		926
658	sub do_invoke {	927	sub do_invoke {
659	my $event = shift;	928	my $event = shift;
660	my $callbacks = shift;	929	my $callbacks = shift;
661		930
662	@invoke_results = ();	931	@INVOKE_RESULTS = ();
663		932
664	local $override;	933	local $override;
665		934
666	for (@$callbacks) {	935	for (@$callbacks) {
667	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
684		953
685	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
686		955
687	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
688	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
689	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		959
691	=back	960	=back
692		961
693	=cut	962	=cut
694		963
695	#############################################################################	964	#############################################################################
696	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
697		977
698	sub reattach {	978	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	980	my ($obj) = @_;
701		981
…		…
746	);	1026	);
747		1027
748	sub object_freezer_save {	1028	sub object_freezer_save {
749	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
750		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
751	sync_job {	1033	sync_job {
752	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
753	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
754	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
755		1038
756	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
758	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
759	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
778	}	1061	}
779	} else {	1062	} else {
780	aio_unlink $filename;	1063	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
782	}	1065	}
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	}	1066	};
		1067
		1068	undef $guard;
790	}	1069	}
791		1070
792	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
794		1073
…		…
800	sub object_thawer_load {	1079	sub object_thawer_load {
801	my ($filename) = @_;	1080	my ($filename) = @_;
802		1081
803	my ($data, $av);	1082	my ($data, $av);
804		1083
805	#d#TODO remove .map if file does not exist	1084	my $guard = cf::lock_acquire "io";
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1085
808	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
809	or return;	1087	or return;
810		1088
811	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
812	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
813	or return;	1091	or return;
		1092
		1093	undef $guard;
814	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1095	}
816		1096
		1097	utf8::decode (my $decname = $filename);
817	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
819	return ($data, $av);	1101	($data, $av)
820	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
821		1109
822	#############################################################################	1110	#############################################################################
823	# command handling &c	1111	# command handling &c
824		1112
825	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1127	}
840		1128
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1130
843	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
844		1136
845	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
846	called.	1138	called.
847		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
848	=cut	1151	=cut
849		1152
850	sub register_extcmd {	1153	sub register_extcmd {
851	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
852		1155
853	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
854	}	1163	}
855		1164
856	cf::player->attach (	1165	cf::player->attach (
857	on_command => sub {	1166	on_command => sub {
858	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1176	cf::override;
868	},	1177	},
869	on_extcmd => sub {	1178	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
871		1180
872	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1182
874	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
880	} else {	1198	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1200	}
883		1201
884	cf::override;	1202	cf::override;
885	},	1203	},
886	);	1204	);
887		1205
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 {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
923	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1211	next unless -r $path;
925	eval {	1212
926	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
927	1	1270	}
928	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
929	}	1276	};
930	}	1277	}
931		1278
932	#############################################################################	1279	#############################################################################
933		1280
		1281	=back
		1282
934	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
935		1284
936	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
937		1286
938	=cut	1287	=cut
…		…
943		1292
944	=head3 cf::player	1293	=head3 cf::player
945		1294
946	=over 4	1295	=over 4
947		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
948	=item cf::player::find $login	1311	=item cf::player::find $login
949		1312
950	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
951		1314
952	=cut	1315	=cut
953		1316
954	sub playerdir($) {	1317	sub playerdir($) {
955	cf::localdir	1318	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1320	}
961		1321
962	sub path($) {	1322	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1324
965	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
966	}	1326	}
967		1327
968	sub find_active($) {	1328	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1343	my $login = $_[0];
984		1344
985	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
986		1346
987	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
988	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
989	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
990	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
991	}	1363	}
992	}	1364	}
993	}	1365	}
994		1366
…		…
1004		1376
1005	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1007		1379
1008	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1009	Coro::cede;	1381	cf::cede_to_tick;
1010	}	1382	}
1011		1383
1012	sub new($) {	1384	sub new($) {
1013	my ($login) = @_;	1385	my ($login) = @_;
1014		1386
…		…
1020	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1021		1393
1022	$self	1394	$self
1023	}	1395	}
1024		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
		1405	}
		1406
1025	=item $pl->quit_character	1407	=item $pl->quit_character
1026		1408
1027	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1410	be destroyed. May block for a long time.
1029		1411
1030	=cut	1412	=cut
1031		1413
1032	sub quit_character {	1414	sub quit_character {
1033	my ($pl) = @_;	1415	my ($pl) = @_;
		1416
		1417	my $name = $pl->ob->name;
1034		1418
1035	$pl->{deny_save} = 1;	1419	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1420	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1421
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1422	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1427	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1428	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1429	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1430	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1431	$pl->destroy;
		1432
		1433	my $prefix = qr<^~\Q$name\E/>;
		1434
		1435	# nuke player maps
		1436	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1437
1048	IO::AIO::aio_rmtree $temp;	1438	IO::AIO::aio_rmtree $temp;
		1439	}
		1440
		1441	=item $pl->kick
		1442
		1443	Kicks a player out of the game. This destroys the connection.
		1444
		1445	=cut
		1446
		1447	sub kick {
		1448	my ($pl, $kicker) = @_;
		1449
		1450	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1451	$pl->killer ("kicked");
		1452	$pl->ns->destroy;
1049	}	1453	}
1050		1454
1051	=item cf::player::list_logins	1455	=item cf::player::list_logins
1052		1456
1053	Returns am arrayref of all valid playernames in the system, can take a	1457	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1055		1459
1056	=cut	1460	=cut
1057		1461
1058	sub list_logins {	1462	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1464	or return [];
1061		1465
1062	my @logins;	1466	my @logins;
1063		1467
1064	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1065	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1066	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1067	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1068		1477
1069	utf8::decode $login;	1478	utf8::decode $login;
1070	push @logins, $login;	1479	push @logins, $login;
1071	}	1480	}
1072		1481
…		…
1099	}	1508	}
1100		1509
1101	\@paths	1510	\@paths
1102	}	1511	}
1103		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1105		1565
1106	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1107		1567
1108	=cut	1568	=cut
1109		1569
1110	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1112		1572
1113	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1574	}
1117		1575
1118	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1119		1616
1120	=back	1617	=back
1121
1122		1618
1123	=head3 cf::map	1619	=head3 cf::map
1124		1620
1125	=over 4	1621	=over 4
1126		1622
…		…
1181	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1182		1678
1183	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1184	local $self->{path};	1680	local $self->{path};
1185	local $self->{load_path};	1681	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1682
1189	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1190	}	1684	}
1191		1685
1192	sub normalise {	1686	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1240	return $self;	1734	return $self;
1241	}	1735	}
1242	}	1736	}
1243		1737
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1739	()
1246	}	1740	}
1247		1741
1248	sub init {	1742	sub init {
1249	my ($self) = @_;	1743	my ($self) = @_;
…		…
1264		1758
1265	# the original (read-only) location	1759	# the original (read-only) location
1266	sub load_path {	1760	sub load_path {
1267	my ($self) = @_;	1761	my ($self) = @_;
1268		1762
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1270	}	1764	}
1271		1765
1272	# the temporary/swap location	1766	# the temporary/swap location
1273	sub save_path {	1767	sub save_path {
1274	my ($self) = @_;	1768	my ($self) = @_;
1275		1769
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1278	}	1772	}
1279		1773
1280	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1281	sub uniq_path {	1775	sub uniq_path {
1282	my ($self) = @_;	1776	my ($self) = @_;
1283		1777
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1286	}	1780	}
1287		1781
1288	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1289	# all maps in C++...	1783	# all maps in C++...
1290	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1292		1786
1293	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1295	}	1789	}
1296		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1297	sub unlink_save {	1799	sub unlink_save {
1298	my ($self) = @_;	1800	my ($self) = @_;
1299		1801
1300	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1804	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	}	1805	}
1309		1806
1310	sub load_header_from($) {	1807	sub load_header_from($) {
1311	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1312		1809
1313	utf8::encode $path;	1810	utf8::encode $path;
1314	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1315	# or return;
1316
1317	$self->_load_header ($path)
1318	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1319		1819
1320	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1321		1821
1322	1	1822	1
1323	}	1823	}
…		…
1362	$self->load_header_orig	1862	$self->load_header_orig
1363	or return;	1863	or return;
1364	$self->prepare_orig;	1864	$self->prepare_orig;
1365	}	1865	}
1366		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1367	1	1873	1
1368	}	1874	}
1369		1875
1370	sub find;	1876	sub find;
1371	sub find {	1877	sub find {
1372	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1373		1879
1374	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1375		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1376	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1377		1884
1378	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1379	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1380	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1381	or return;	1890	or return;
1382		1891
1383	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1384		1893
1385	$map->load_header	1894	$map->load_header
1386	or return;	1895	or return;
1387		1896
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1391	$map->reset;	1902	$map->reset;
1392	undef $guard;
1393	return find $path;	1903	return find $path;
1394	}	1904	}
1395		1905
1396	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1397	}	1907	}
…		…
1404	my ($self) = @_;	1914	my ($self) = @_;
1405		1915
1406	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1407		1917
1408	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1410		1922
		1923	return unless $self->valid;
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1412		1925
1413	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1414		1927
1415	$self->alloc;	1928	$self->alloc;
1416		1929
1417	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1418		1932
1419	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1420	or return;	1936	or return;
1421		1937
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};	1939	if delete $self->{load_original};
1424		1940
1425	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;	1942	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1428	$self->clear_unique_items;	1945	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1430	}	1949	}
1431	}	1950	}
1432		1951
1433	Coro::cede;	1952	$f->resolve_delayed_derefs;
1434		1953
		1954	cf::cede_to_tick;
1435	# now do the right thing for maps	1955	# now do the right thing for maps
1436	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1437
1438	unless ($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)	1957	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1958	unless $self->difficulty;
1446	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1447	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1975	}
1449		1976
1450	$self->post_load;	1977	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1978	}
1454		1979
1455	sub customise_for {	1980	sub customise_for {
1456	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1457		1982
1458	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1984	if $self->per_player;
1460		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1461	$self	1989	$self
1462	}	1990	}
1463		1991
1464	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1993	sub load_neighbours {
1466	my ($map) = @_;	1994	my ($map) = @_;
1467		1995
1468	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1469		1997
1470	for (0 .. 3) {	1998	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1472	or next;	2000	or next;
1473	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1474	or next;	2002	or next;
1475	$neigh->load;	2003	$neigh->load;
1476		2004
		2005	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	2008	}
1480		2009
1481	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1483	or next;	2013	or next;
1484	$neigh->load;	2014	$neigh->load;
1485	}	2015	}
1486	}	2016	}
1487		2017
…		…
1492	}	2022	}
1493		2023
1494	sub do_load_sync {	2024	sub do_load_sync {
1495	my ($map) = @_;	2025	my ($map) = @_;
1496		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1497	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1498	}	2031	}
1499		2032
1500	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1502		2035
1503	sub find_async {	2036	sub find_async {
1504	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1505		2038
1506	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1507		2040
1508	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	2043	}
1511		2044
1512	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1513	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	2050	if (my $map = find $k) {
1517	or next;
1518	$map->load;	2051	$map->load if $v;
		2052	}
1519		2053
1520	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1521	}	2055	}
1522	}	2056	}
1523	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1524	};	2058	};
1525	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1528	}	2062	}
1529		2063
1530	sub save {	2064	sub save {
1531	my ($self) = @_;	2065	my ($self) = @_;
1532		2066
1533	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1534		2068
1535	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1536		2070
1537	return unless $self->dirty;	2071	return unless $self->dirty;
1538		2072
…		…
1561	my ($self) = @_;	2095	my ($self) = @_;
1562		2096
1563	# save first because save cedes	2097	# save first because save cedes
1564	$self->save;	2098	$self->save;
1565		2099
1566	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1567		2101
1568	return if $self->players;	2102	return if $self->players;
1569	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1570	return if $self->{deny_save};	2104	return if $self->{deny_save};
1571		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1572	$self->clear;	2110	$self->clear;
1573	$self->in_memory (cf::MAP_SWAPPED);
1574	}	2111	}
1575		2112
1576	sub reset_at {	2113	sub reset_at {
1577	my ($self) = @_;	2114	my ($self) = @_;
1578		2115
1579	# TODO: safety, remove and allow resettable per-player maps	2116	# 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};	2117	return 1e99 if $self->{deny_reset};
1582		2118
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2121
…		…
1596	my ($self) = @_;	2132	my ($self) = @_;
1597		2133
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2135
1600	return if $self->players;	2136	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2137
1603	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	# need to save uniques path
		2143	unless ($self->{deny_save}) {
		2144	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2145
		2146	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2147	if $uniq;
		2148	}
1604		2149
1605	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1606		2151
1607	$self->in_memory (cf::MAP_SWAPPED);	2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1608	$self->clear;	2154	$self->clear;
1609
1610	$_->clear_links_to ($self) for values %cf::MAP;
1611		2155
1612	$self->unlink_save;	2156	$self->unlink_save;
1613	$self->destroy;	2157	$self->destroy;
1614	}	2158	}
1615		2159
1616	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1617		2161
1618	sub nuke {	2162	sub nuke {
1619	my ($self) = @_;	2163	my ($self) = @_;
1620		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1621	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1622		2169
1623	$self->unlink_save;	2170	$self->unlink_save;
1624		2171
1625	bless $self, "cf::map";	2172	bless $self, "cf::map";
1626	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1627	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1628	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1629	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1630		2177
1631	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1632		2180
1633	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1634	}	2218	}
1635		2219
1636	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1637		2221
1638	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2223	instantiated unique items. May block.
1640		2224
1641	=cut	2225	=cut
1642		2226
1643	sub unique_maps() {	2227	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1645	or return;	2229	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2230	utf8::decode $_;
1651	next if /\.pst$/;	2231	/\.map$/
1652	next unless /^$PATH_SEP/o;	2232	? normalise $_
1653		2233	: ()
1654	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2235	]
1656
1657	\@paths
1658	}	2236	}
1659		2237
1660	package cf;	2238	package cf;
1661		2239
1662	=back	2240	=back
…		…
1680	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1681	}	2259	}
1682		2260
1683	sub inv_recursive {	2261	sub inv_recursive {
1684	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1685	}	2294	}
1686		2295
1687	package cf;	2296	package cf;
1688		2297
1689	=back	2298	=back
…		…
1708		2317
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2319
1711	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1713	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1716	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1717	}	2345	}
1718		2346
1719	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1720		2348
1721	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1769		2397
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2399
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1774		2402
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2404	}
1777		2405
1778	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1780		2410
1781	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1782		2412
1783	unless ($map) {	2413	unless ($map) {
1784	# restore original map position	2414	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1801		2431
1802	$map->load;	2432	$map->load;
1803	$map->load_diag;	2433	$map->load_neighbours;
1804		2434
1805	return unless $self->contr->active;	2435	return unless $self->contr->active;
1806	$self->activate_recursive;	2436	$self->activate_recursive;
		2437
		2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1808	}	2440	}
1809		2441
1810	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2443
1814	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1818	};	2448	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2449
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	2450	=cut
		2451
		2452	our $GOTOGEN;
1845		2453
1846	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2459
1849	$self->enter_link;	2460	$self->enter_link;
1850		2461
1851	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1852	my $map = eval {	2482	my $map = eval {
1853	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1855	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2498	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1860	})->prio (1);	2506	})->prio (1);
1861	}	2507	}
1862		2508
1863	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1864		2510
…		…
1903		2549
1904	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1905		2551
1906	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1909		2555
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2558	undef $fh;
1913	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1922		2568
1923	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1924		2570
1925	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1928	}	2576	}
1929		2577
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1933		2581
1934	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1935		2587
1936	(async {	2588	(async {
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<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
1972		2739
1973	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
1974		2741
1975	Queues a query to the client, calling the given callback with	2742	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>,	2743	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>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2745
1979	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2747	become reliable at some point in the future.
1981		2748
1982	=cut	2749	=cut
1983		2750
1984	sub cf::client::query {	2751	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2760	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2762
1996	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
1998	}	2767	}
1999		2768
2000	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2001	on_reply => sub {	2775	on_reply => sub {
2002	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2003		2777
2004	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2005	# get handled first	2779	# get handled first
…		…
2017	} else {	2791	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2793	}
2020	}	2794	}
2021	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2022	);	2822	);
2023		2823
2024	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2025		2825
2026	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2069		2869
2070	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2071		2871
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2073		2877
2074	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2075		2879
2076	=pod	2880	=pod
2077		2881
2078	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2079		2883
2080	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2081	cf::object::player player	2888	cf::object::player
2082	cf::player peaceful	2889	player
2083	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2084		2896
2085	=cut	2897	=cut
2086		2898
2087	for (	2899	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2092	) {	2906	) {
2093	no strict 'refs';	2907	no strict 'refs';
…		…
2164	=back	2978	=back
2165		2979
2166	=cut	2980	=cut
2167		2981
2168	#############################################################################	2982	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$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	2983	# the server's init and main functions
2278		2984
2279	sub load_resources {	2985	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2986	my ($path) = @_;
		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2993
		2994	warn "loading facedata from $path\n";
		2995
		2996	my $facedata;
		2997	0 < aio_load $path, $facedata
		2998	or die "$path: $!";
		2999
		3000	$facedata = Coro::Storable::thaw $facedata;
		3001
		3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
		3015	while (my ($face, $info) = each %$faces) {
		3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
		3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
		3025	while (my ($face, $info) = each %$faces) {
		3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
		3098	}
		3099
		3100	1
		3101	}
		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	3117	or die "unable to load regions file\n";
2282	}
2283		3118
2284	sub cfg_load {	3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
		3145	sub reload_resources {
		3146	warn "reloading resource files...\n";
		3147
		3148	reload_regions;
		3149	reload_facedata;
		3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
		3155	}
		3156
		3157	sub init {
		3158	reload_resources;
		3159	}
		3160
		3161	sub reload_config {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3163	or return;
2287		3164
2288	local $/;	3165	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2290		3167
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3175	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3176	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3177	};
2301	warn $@ if $@;	3178	warn $@ if $@;
2302	}	3179	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3180	}
2308		3181
2309	sub main {	3182	sub main {
2310	# we must not ever block the main coroutine	3183	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3184	local $Coro::idle = sub {
…		…
2313	(async {	3186	(async {
2314	Event::one_event;	3187	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2316	};	3189	};
2317		3190
2318	cfg_load;	3191	reload_config;
2319	db_load;	3192	db_init;
2320	load_extensions;	3193	load_extensions;
2321		3194
2322	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2323	Event::loop;	3196	Event::loop;
2324	}	3197	}
…		…
2339	},	3212	},
2340	);	3213	);
2341	}	3214	}
2342	}	3215	}
2343		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2344	sub emergency_save() {	3255	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2346		3257
2347	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2348		3259
…		…
2363	my $map = $cf::MAP{$path} or next;	3274	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3275	$map->valid or next;
2365	$map->save;	3276	$map->save;
2366	}	3277	}
2367	warn "end emergency map save\n";	3278	warn "end emergency map save\n";
		3279
		3280	warn "begin emergency database checkpoint\n";
		3281	BDB::db_env_txn_checkpoint $DB_ENV;
		3282	warn "end emergency database checkpoint\n";
2368	};	3283	};
2369		3284
2370	warn "leave emergency perl save\n";	3285	warn "leave emergency perl save\n";
2371	}	3286	}
2372		3287
		3288	sub post_cleanup {
		3289	my ($make_core) = @_;
		3290
		3291	warn Carp::longmess "post_cleanup backtrace"
		3292	if $make_core;
		3293	}
		3294
2373	sub reload() {	3295	sub do_reload_perl() {
2374	# can/must only be called in main	3296	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2377	return;	3299	return;
2378	}	3300	}
2379		3301
2380	warn "reloading...";	3302	warn "reloading...";
2381		3303
2382	warn "cancelling server ticker";	3304	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3305
		3306	cf::sync_job {
		3307	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3308	cf::emergency_save;
		3309	cf::write_runtime; # external watchdog should not bark
2386		3310
2387	eval {	3311	warn "syncing database to disk";
		3312	BDB::db_env_txn_checkpoint $DB_ENV;
		3313
2388	# if anything goes wrong in here, we should simply crash as we already saved	3314	# 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		3315
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3316	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3317	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3318	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3319	}
2397		3320
2398	warn "flushing outstanding aio requests";	3321	warn "flushing outstanding aio requests";
2399	for (;;) {	3322	for (;;) {
		3323	BDB::flush;
2400	IO::AIO::flush;	3324	IO::AIO::flush;
2401	Coro::cede;	3325	Coro::cede;
2402	last unless IO::AIO::nreqs;	3326	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3327	warn "iterate...";
2404	}	3328	}
		3329
		3330	++$RELOAD;
2405		3331
2406	warn "cancelling all extension coros";	3332	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3333	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3334	%EXT_CORO = ();
2409		3335
2410	warn "removing commands";	3336	warn "removing commands";
2411	%COMMAND = ();	3337	%COMMAND = ();
2412		3338
2413	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2415		3342
2416	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2419		3346
…		…
2449	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3378
2452	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2454		3382
2455	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3384	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2458		3386
…		…
2461	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2462	require cf;	3390	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3392
2465	warn "loading config and database again";	3393	warn "loading config and database again";
2466	cf::cfg_load;	3394	cf::reload_config;
2467	cf::db_load;
2468		3395
2469	warn "loading extensions";	3396	warn "loading extensions";
2470	cf::load_extensions;	3397	cf::load_extensions;
2471		3398
2472	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3400	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
		3403	warn "reattaching attachments to players";
		3404	reattach $_ for values %PLAYER;
2476		3405
2477	warn "loading reloadable resources";	3406	warn "leaving sync_job";
2478	load_resources;
2479		3407
2480	warn "restarting server ticker";	3408	1
2481		3409	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3410	warn $@;
2487	warn "error while reloading, exiting.";	3411	warn "error while reloading, exiting.";
2488	exit 1;	3412	exit 1;
2489	}	3413	};
2490		3414
2491	warn "reloaded";	3415	warn "reloaded";
2492	};	3416	};
2493		3417
2494	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2495		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2496	register_command "reload" => sub {	3435	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2498		3437
2499	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2501		3440	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
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;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3441	}
2515	};	3442	};
2516		3443
2517	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2518		3445
2519	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2520		3468
2521	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3470	reentrant => 0,
2523	parked => 1,	3471	parked => 1,
2524	prio => 0,	3472	prio => 0,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2531	return;	3479	return;
2532	}	3480	}
2533		3481
2534	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2535		3483
2536	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2537	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2539		3488
2540	$WAIT_FOR_TICK->broadcast;	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3491	Coro::async_pool {
2543	Event::sweep;	3492	write_runtime
2544	Coro::cede_notself;	3493	or warn "ERROR: unable to write runtime file: $!";
		3494	};
2545		3495	}
2546	# my $AFTER = Event::time;	3496
2547	# warn $AFTER - $NOW;#d#	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
		3503
		3504	$NOW = Event::time;
2548		3505
2549	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3508
2552	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2554	},	3516	},
2555	);	3517	);
2556		3518
		3519	{
		3520	BDB::min_parallel 8;
		3521	BDB::max_poll_time $TICK * 0.1;
		3522	$BDB_POLL_WATCHER = Event->io (
		3523	reentrant => 0,
		3524	fd => BDB::poll_fileno,
		3525	poll => 'r',
		3526	prio => 0,
		3527	data => WF_AUTOCANCEL,
		3528	cb => \&BDB::poll_cb,
		3529	);
		3530
		3531	BDB::set_sync_prepare {
		3532	my $status;
		3533	my $current = $Coro::current;
		3534	(
		3535	sub {
		3536	$status = $!;
		3537	$current->ready; undef $current;
		3538	},
		3539	sub {
		3540	Coro::schedule while defined $current;
		3541	$! = $status;
		3542	},
		3543	)
		3544	};
		3545
		3546	unless ($DB_ENV) {
		3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3552
		3553	cf::sync_job {
		3554	eval {
		3555	BDB::db_env_open
		3556	$DB_ENV,
		3557	$BDBDIR,
		3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3560	0666;
		3561
		3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3563	};
		3564
		3565	cf::cleanup "db_env_open(db): $@" if $@;
		3566	};
		3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
		3599	}
		3600
		3601	{
		3602	IO::AIO::min_parallel 8;
		3603
		3604	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3605	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3606	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3607	reentrant => 0,
		3608	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3609	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3610	poll => 'r',
2564	prio => 6,	3611	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2567	);	3613	);
		3614	}
2568		3615
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3616	my $_log_backtrace;
2570	reentrant => 0,	3617
2571	data => WF_AUTOCANCEL,	3618	sub _log_backtrace {
2572	after => 1,	3619	my ($msg, @addr) = @_;
2573	interval => 10,	3620
2574	prio => 6, # keep it lowest so it acts like a watchdog	3621	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3622
2576	write_runtime	3623	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
		3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3651	}
2579	);	3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
2580		3656
2581	END { cf::emergency_save }	3657	END { cf::emergency_save }
2582		3658
2583	1	3659	1
2584		3660

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