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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.247 by root, Tue Apr 17 18:24:30 2007 UTC vs.
Revision 1.386 by root, Mon Oct 15 17:50:27 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 Storable;	8	use Socket;
9	use Event;	9	use Event;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.61 ();	15	use Coro 4.1 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
21	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
22		25
		26	use JSON::XS ();
23	use BDB ();	27	use BDB ();
24	use Data::Dumper;	28	use Data::Dumper;
25	use Digest::MD5;	29	use Digest::MD5;
26	use Fcntl;	30	use Fcntl;
27	use YAML::Syck ();	31	use YAML::Syck ();
28	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
29	use Time::HiRes;	33	use Time::HiRes;
30	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
31		36
32	# configure various modules to our taste	37	# configure various modules to our taste
33	#	38	#
34	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
35	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
…		…
47	our %COMMAND = ();	52	our %COMMAND = ();
48	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
49		54
50	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
54		60
55	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
56	our @EVENT;	62	our @EVENT;
57	our $LIBDIR = datadir . "/ext";	63
		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";
58		75
59	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;	81	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		83
67	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	88	our $DB_ENV;
69		89
70	our %CFG;	90	our %CFG;
71		91
72	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	93	our $RUNTIME;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		98
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	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
118	every server tick.	136	every server tick.
119		137
120	=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
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	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.
132		164
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
139		171
140	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
141	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
142	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
143		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.
		181
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		206
167	# 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
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$Event::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$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;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
218		258
219	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub to_json ($) { $json_coder->encode ($_[0]) }
		266	sub from_json ($) { $json_coder->decode ($_[0]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	$Coro::current->desc ("timeslot manager");
		360
		361	my $signal = new Coro::Signal;
		362
		363	while () {
		364	next_job:
		365	my $avail = cf::till_tick;
		366	if ($avail > 0.01) {
		367	for (0 .. $#SLOT_QUEUE) {
		368	if ($SLOT_QUEUE[$_][0] < $avail) {
		369	my $job = splice @SLOT_QUEUE, $_, 1, ();
		370	$job->[2]->send;
		371	Coro::cede;
		372	goto next_job;
		373	}
		374	}
		375	}
		376
		377	if (@SLOT_QUEUE) {
		378	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		379	push @cf::WAIT_FOR_TICK, $signal;
		380	$signal->wait;
		381	} else {
		382	Coro::schedule;
		383	}
		384	}
		385	};
		386
		387	sub get_slot($;$$) {
		388	my ($time, $pri, $name) = @_;
		389
		390	$time = $TICK * .6 if $time > $TICK * .6;
		391	my $sig = new Coro::Signal;
		392
		393	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		394	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		395	$SLOT_QUEUE->ready;
		396	$sig->wait;
		397	}
		398
273	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
274		400
275	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	402	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	403	thing you are allowed to do is call C<prio> on it.
…		…
280		406
281	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
282		408
283	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
284		410
285	The design of crossfire+ requires that the main coro ($Coro::main) is	411	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	412	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	413	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		414	acceptable.
288		415
289	If it must be done, put the blocking parts into C<sync_job>. This will run	416	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	417	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	418	server will be frozen during this time, so the block should either finish
292	fast or be very important.	419	fast or be very important.
…		…
295		422
296	sub sync_job(&) {	423	sub sync_job(&) {
297	my ($job) = @_;	424	my ($job) = @_;
298		425
299	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
300	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
302		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
303	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	435	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
306		437
307	my $busy = 1;	438	my $busy = 1;
308	my @res;	439	my @res;
309		440
310	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	443	@res = eval { $job->() };
312	warn $@ if $@;	444	warn $@ if $@;
313	undef $busy;	445	undef $busy;
314	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
315		447
316	while ($busy) {	448	while ($busy) {
317	Coro::cede or Event::one_event;	449	Coro::cede or Event::one_event;
318	}	450	}
		451
		452	$time = Event::time - $time;
		453
		454	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		455	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		456
		457	$tick_start += $time; # do not account sync jobs to server load
319		458
320	wantarray ? @res : $res[0]	459	wantarray ? @res : $res[0]
321	} else {	460	} else {
322	# we are in another coroutine, how wonderful, everything just works	461	# we are in another coroutine, how wonderful, everything just works
323		462
…		…
343	$EXT_CORO{$coro+0} = $coro;	482	$EXT_CORO{$coro+0} = $coro;
344		483
345	$coro	484	$coro
346	}	485	}
347		486
348	sub write_runtime {	487	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		488
351	my $runtime = cf::localdir . "/runtime";	489	Executes the given code block with the given arguments in a seperate
		490	process, returning the results. Everything must be serialisable with
		491	Coro::Storable. May, of course, block. Note that the executed sub may
		492	never block itself or use any form of Event handling.
352		493
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	494	=cut
354	or return;
355		495
356	my $value = $cf::RUNTIME + 90 + 10;	496	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	497	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		498
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	499	# we seemingly have to make a local copy of the whole thing,
361	and return;	500	# otherwise perl prematurely frees the stuff :/
		501	# TODO: investigate and fix (likely this will be rather laborious)
362		502
363	# always fsync - this file is important	503	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	504	reset_signals;
365	and return;	505	&$cb
		506	}, @args;
366		507
367	close $fh	508	wantarray ? @res : $res[-1]
368	or return;	509	}
369		510
370	aio_rename "$runtime~", $runtime	511	=item $value = cf::db_get $family => $key
371	and return;
372		512
		513	Returns a single value from the environment database.
		514
		515	=item cf::db_put $family => $key => $value
		516
		517	Stores the given C<$value> in the family. It can currently store binary
		518	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		519
		520	=item $db = cf::db_table "name"
		521
		522	Create and/or open a new database table. The string must not be "db" and must be unique
		523	within each server.
		524
		525	=cut
		526
		527	sub db_table($) {
		528	my ($name) = @_;
		529	my $db = BDB::db_create $DB_ENV;
		530
		531	eval {
		532	$db->set_flags (BDB::CHKSUM);
		533
		534	utf8::encode $name;
		535	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		536	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		537	cf::cleanup "db_open(db): $!" if $!;
		538	};
		539	cf::cleanup "db_open(db): $@" if $@;
		540
		541	$db
		542	}
		543
		544	our $DB;
		545
		546	sub db_init {
		547	cf::sync_job {
		548	$DB ||= db_table "db";
		549	};
		550	}
		551
		552	sub db_get($$) {
		553	my $key = "$_[0]/$_[1]";
		554
		555	cf::sync_job {
		556	BDB::db_get $DB, undef, $key, my $data;
		557
		558	$! ? ()
		559	: $data
373	1	560	}
		561	}
		562
		563	sub db_put($$$) {
		564	BDB::dbreq_pri 4;
		565	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		566	}
		567
		568	=item cf::cache $id => [$paths...], $processversion => $process
		569
		570	Generic caching function that returns the value of the resource $id,
		571	caching and regenerating as required.
		572
		573	This function can block.
		574
		575	=cut
		576
		577	sub cache {
		578	my ($id, $src, $processversion, $process) = @_;
		579
		580	my $meta =
		581	join "\x00",
		582	$processversion,
		583	map {
		584	aio_stat $_
		585	and Carp::croak "$_: $!";
		586
		587	($_, (stat _)[7,9])
		588	} @$src;
		589
		590	my $dbmeta = db_get cache => "$id/meta";
		591	if ($dbmeta ne $meta) {
		592	# changed, we may need to process
		593
		594	my @data;
		595	my $md5;
		596
		597	for (0 .. $#$src) {
		598	0 <= aio_load $src->[$_], $data[$_]
		599	or Carp::croak "$src->[$_]: $!";
		600	}
		601
		602	# if processing is expensive, check
		603	# checksum first
		604	if (1) {
		605	$md5 =
		606	join "\x00",
		607	$processversion,
		608	map {
		609	cf::cede_to_tick;
		610	($src->[$_], Digest::MD5::md5_hex $data[$_])
		611	} 0.. $#$src;
		612
		613
		614	my $dbmd5 = db_get cache => "$id/md5";
		615	if ($dbmd5 eq $md5) {
		616	db_put cache => "$id/meta", $meta;
		617
		618	return db_get cache => "$id/data";
		619	}
		620	}
		621
		622	my $t1 = Time::HiRes::time;
		623	my $data = $process->(\@data);
		624	my $t2 = Time::HiRes::time;
		625
		626	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		627
		628	db_put cache => "$id/data", $data;
		629	db_put cache => "$id/md5" , $md5;
		630	db_put cache => "$id/meta", $meta;
		631
		632	return $data;
		633	}
		634
		635	db_get cache => "$id/data"
374	}	636	}
375		637
376	=item cf::datalog type => key => value, ...	638	=item cf::datalog type => key => value, ...
377		639
378	Log a datalog packet of the given type with the given key-value pairs.	640	Log a datalog packet of the given type with the given key-value pairs.
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	658	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	659	to it. All such attachable objects support the following methods.
398		660
399	In the following description, CLASS can be any of C<global>, C<object>	661	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	662	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	663	Crossfire TRT).
402		664
403	=over 4	665	=over 4
404		666
405	=item $attachable->attach ($attachment, key => $value...)	667	=item $attachable->attach ($attachment, key => $value...)
406		668
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	831	$registry = $CB_TYPE[$object_type] ||= [];
570		832
571	} elsif ($type eq "subtype") {	833	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	834	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	835	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	836	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		837
576	} elsif ($type eq "package") {	838	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	839	my $pkg = shift @arg;
578		840
579	while (my ($name, $id) = each %cb_id) {	841	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	870	_attach $registry, $klass, @attach;
609	}	871	}
610		872
611	$obj->{$name} = \%arg;	873	$obj->{$name} = \%arg;
612	} else {	874	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	875	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	876	}
615		877
616	$obj->{_attachment}{$name} = undef;	878	$obj->{_attachment}{$name} = undef;
617	}	879	}
618		880
…		…
620	if (ref $_[0]) {	882	if (ref $_[0]) {
621	_object_attach @_;	883	_object_attach @_;
622	} else {	884	} else {
623	_attach shift->_attach_registry, @_;	885	_attach shift->_attach_registry, @_;
624	}	886	}
		887	_recalc_want;
625	};	888	};
626		889
627	# all those should be optimised	890	# all those should be optimised
628	sub cf::attachable::detach {	891	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	892	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	895	delete $obj->{_attachment}{$name};
633	reattach ($obj);	896	reattach ($obj);
634	} else {	897	} else {
635	Carp::croak "cannot, currently, detach class attachments";	898	Carp::croak "cannot, currently, detach class attachments";
636	}	899	}
		900	_recalc_want;
637	};	901	};
638		902
639	sub cf::attachable::attached {	903	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	904	my ($obj, $name) = @_;
641		905
…		…
656	";	920	";
657	die if $@;	921	die if $@;
658	}	922	}
659		923
660	our $override;	924	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	925	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		926
663	sub override {	927	sub override {
664	$override = 1;	928	$override = 1;
665	@invoke_results = ();	929	@INVOKE_RESULTS = (@_);
666	}	930	}
667		931
668	sub do_invoke {	932	sub do_invoke {
669	my $event = shift;	933	my $event = shift;
670	my $callbacks = shift;	934	my $callbacks = shift;
671		935
672	@invoke_results = ();	936	@INVOKE_RESULTS = ();
673		937
674	local $override;	938	local $override;
675		939
676	for (@$callbacks) {	940	for (@$callbacks) {
677	eval { &{$_->[1]} };	941	eval { &{$_->[1]} };
…		…
694		958
695	Generate an object-specific event with the given arguments.	959	Generate an object-specific event with the given arguments.
696		960
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	961	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	962	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	963	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		964
701	=back	965	=back
702		966
703	=cut	967	=cut
704		968
705	#############################################################################	969	#############################################################################
706	# object support	970	# object support
		971
		972	sub _object_equal($$);
		973	sub _object_equal($$) {
		974	my ($a, $b) = @_;
		975
		976	return 0 unless (ref $a) eq (ref $b);
		977
		978	if ("HASH" eq ref $a) {
		979	my @ka = keys %$a;
		980	my @kb = keys %$b;
		981
		982	return 0 if @ka != @kb;
		983
		984	for (0 .. $#ka) {
		985	return 0 unless $ka[$_] eq $kb[$_];
		986	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		987	}
		988
		989	} elsif ("ARRAY" eq ref $a) {
		990
		991	return 0 if @$a != @$b;
		992
		993	for (0 .. $#$a) {
		994	return 0 unless _object_equal $a->[$_], $b->[$_];
		995	}
		996
		997	} elsif ($a ne $b) {
		998	return 0;
		999	}
		1000
		1001	1
		1002	}
		1003
		1004	our $SLOW_MERGES;#d#
		1005	sub _can_merge {
		1006	my ($ob1, $ob2) = @_;
		1007
		1008	++$SLOW_MERGES;#d#
		1009
		1010	# we do the slow way here
		1011	return _object_equal $ob1, $ob2
		1012	}
707		1013
708	sub reattach {	1014	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1015	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1016	my ($obj) = @_;
711		1017
…		…
758	sub object_freezer_save {	1064	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1065	my ($filename, $rdata, $objs) = @_;
760		1066
761	sync_job {	1067	sync_job {
762	if (length $$rdata) {	1068	if (length $$rdata) {
		1069	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1070	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1071	$decname, length $$rdata, scalar @$objs;
765		1072
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1073	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1074	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1075	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1076	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1077	close $fh;
771		1078
772	if (@$objs) {	1079	if (@$objs) {
773	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1080	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
774	chmod SAVE_MODE, $fh;	1081	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1082	my $data = Coro::Storable::blocking_nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1083	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1084	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1085	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1086	aio_rename "$filename.pst~", "$filename.pst";
780	}	1087	}
…		…
788	}	1095	}
789	} else {	1096	} else {
790	aio_unlink $filename;	1097	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1098	aio_unlink "$filename.pst";
792	}	1099	}
793	}	1100	};
794	}	1101	}
795		1102
796	sub object_freezer_as_string {	1103	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1104	my ($rdata, $objs) = @_;
798		1105
…		…
810	or return;	1117	or return;
811		1118
812	unless (aio_stat "$filename.pst") {	1119	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1120	(aio_load "$filename.pst", $av) >= 0
814	or return;	1121	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };
816	}
817		1122
		1123	my $st = eval { Coro::Storable::thaw $av }
		1124	|| eval { my $guard = Coro::Storable::guard; Storable::thaw $av }; #d# compatibility, remove
		1125	$av = $st->{objs};
		1126	}
		1127
		1128	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1129	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1130	$decname, length $data, scalar @{$av || []};
		1131
820	return ($data, $av);	1132	($data, $av)
821	}	1133	}
		1134
		1135	=head2 COMMAND CALLBACKS
		1136
		1137	=over 4
		1138
		1139	=cut
822		1140
823	#############################################################################	1141	#############################################################################
824	# command handling &c	1142	# command handling &c
825		1143
826	=item cf::register_command $name => \&callback($ob,$args);	1144	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1157	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1158	}
841		1159
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1160	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1161
844	Register a callbackf ro execution when the client sends an extcmd packet.	1162	Register a callback for execution when the client sends an (synchronous)
		1163	extcmd packet. Ext commands will be processed in the order they are
		1164	received by the server, like other user commands. The first argument is
		1165	the logged-in player. Ext commands can only be processed after a player
		1166	has logged in successfully.
845		1167
846	If the callback returns something, it is sent back as if reply was being	1168	If the callback returns something, it is sent back as if reply was being
847	called.	1169	called.
848		1170
		1171	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1172
		1173	Register a callback for execution when the client sends an (asynchronous)
		1174	exticmd packet. Exti commands are processed by the server as soon as they
		1175	are received, i.e. out of order w.r.t. other commands. The first argument
		1176	is a client socket. Exti commands can be received anytime, even before
		1177	log-in.
		1178
		1179	If the callback returns something, it is sent back as if reply was being
		1180	called.
		1181
849	=cut	1182	=cut
850		1183
851	sub register_extcmd {	1184	sub register_extcmd {
852	my ($name, $cb) = @_;	1185	my ($name, $cb) = @_;
853		1186
854	$EXTCMD{$name} = $cb;	1187	$EXTCMD{$name} = $cb;
		1188	}
		1189
		1190	sub register_exticmd {
		1191	my ($name, $cb) = @_;
		1192
		1193	$EXTICMD{$name} = $cb;
855	}	1194	}
856		1195
857	cf::player->attach (	1196	cf::player->attach (
858	on_command => sub {	1197	on_command => sub {
859	my ($pl, $name, $params) = @_;	1198	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1207	cf::override;
869	},	1208	},
870	on_extcmd => sub {	1209	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1210	my ($pl, $buf) = @_;
872		1211
873	my $msg = eval { from_json $buf };	1212	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1213
875	if (ref $msg) {	1214	if (ref $msg) {
		1215	my ($type, $reply, @payload) =
		1216	"ARRAY" eq ref $msg
		1217	? @$msg
		1218	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1219
		1220	my @reply;
		1221
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1222	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1223	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1224	}
		1225
		1226	$pl->ext_reply ($reply, @reply)
		1227	if $reply;
		1228
881	} else {	1229	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1230	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1231	}
884		1232
885	cf::override;	1233	cf::override;
886	},	1234	},
887	);	1235	);
888		1236
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1237	sub load_extensions {
		1238	cf::sync_job {
		1239	my %todo;
		1240
924	for my $ext (<$LIBDIR/*.ext>) {	1241	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1242	next unless -r $path;
926	eval {	1243
927	load_extension $ext;	1244	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1245	my $base = $1;
		1246	my $pkg = $1;
		1247	$pkg =~ s/[^[:word:]]/_/g;
		1248	$pkg = "ext::$pkg";
		1249
		1250	open my $fh, "<:utf8", $path
		1251	or die "$path: $!";
		1252
		1253	my $source = do { local $/; <$fh> };
		1254
		1255	my %ext = (
		1256	path => $path,
		1257	base => $base,
		1258	pkg => $pkg,
		1259	);
		1260
		1261	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1262	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1263
		1264	$ext{source} =
		1265	"package $pkg; use strict; use utf8;\n"
		1266	. "#line 1 \"$path\"\n{\n"
		1267	. $source
		1268	. "\n};\n1";
		1269
		1270	$todo{$base} = \%ext;
		1271	}
		1272
		1273	my %done;
		1274	while (%todo) {
		1275	my $progress;
		1276
		1277	while (my ($k, $v) = each %todo) {
		1278	for (split /,\s*/, $v->{meta}{depends}) {
		1279	goto skip
		1280	unless exists $done{$_};
		1281	}
		1282
		1283	warn "... loading '$k' into '$v->{pkg}'\n";
		1284
		1285	unless (eval $v->{source}) {
		1286	my $msg = $@ ? "$v->{path}: $@\n"
		1287	: "$v->{base}: extension inactive.\n";
		1288
		1289	if (exists $v->{meta}{mandatory}) {
		1290	warn $msg;
		1291	warn "mandatory extension failed to load, exiting.\n";
		1292	exit 1;
		1293	}
		1294
		1295	warn $msg;
		1296	}
		1297
		1298	$done{$k} = delete $todo{$k};
		1299	push @EXTS, $v->{pkg};
		1300	$progress = 1;
928	1	1301	}
929	} or warn "$ext not loaded: $@";	1302
		1303	skip:
		1304	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1305	unless $progress;
		1306	}
930	}	1307	};
931	}	1308	}
932		1309
933	#############################################################################	1310	#############################################################################
934		1311
		1312	=back
		1313
935	=head2 CORE EXTENSIONS	1314	=head2 CORE EXTENSIONS
936		1315
937	Functions and methods that extend core crossfire objects.	1316	Functions and methods that extend core crossfire objects.
938		1317
939	=cut	1318	=cut
…		…
944		1323
945	=head3 cf::player	1324	=head3 cf::player
946		1325
947	=over 4	1326	=over 4
948		1327
		1328	=item cf::player::num_playing
		1329
		1330	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1331
		1332	=cut
		1333
		1334	sub num_playing {
		1335	scalar grep
		1336	$_->ob->map
		1337	&& !$_->hidden
		1338	&& !$_->ob->flag (cf::FLAG_WIZ),
		1339	cf::player::list
		1340	}
		1341
949	=item cf::player::find $login	1342	=item cf::player::find $login
950		1343
951	Returns the given player object, loading it if necessary (might block).	1344	Returns the given player object, loading it if necessary (might block).
952		1345
953	=cut	1346	=cut
954		1347
955	sub playerdir($) {	1348	sub playerdir($) {
956	cf::localdir	1349	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1350	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1351	}
962		1352
963	sub path($) {	1353	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1354	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1381	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1382	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1383	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1384	aio_unlink +(playerdir $login) . "/$login.pl";
995		1385
996	my $pl = load_pl path $login	1386	my $f = new_from_file cf::object::thawer path $login
997	or return;	1387	or return;
		1388
		1389	my $pl = cf::player::load_pl $f
		1390	or return;
		1391	local $cf::PLAYER_LOADING{$login} = $pl;
		1392	$f->resolve_delayed_derefs;
998	$cf::PLAYER{$login} = $pl	1393	$cf::PLAYER{$login} = $pl
999	}	1394	}
1000	}	1395	}
1001	}	1396	}
1002		1397
…		…
1012		1407
1013	aio_mkdir playerdir $pl, 0770;	1408	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1409	$pl->{last_save} = $cf::RUNTIME;
1015		1410
1016	$pl->save_pl ($path);	1411	$pl->save_pl ($path);
1017	Coro::cede;	1412	cf::cede_to_tick;
1018	}	1413	}
1019		1414
1020	sub new($) {	1415	sub new($) {
1021	my ($login) = @_;	1416	my ($login) = @_;
1022		1417
…		…
1026	$self->{deny_save} = 1;	1421	$self->{deny_save} = 1;
1027		1422
1028	$cf::PLAYER{$login} = $self;	1423	$cf::PLAYER{$login} = $self;
1029		1424
1030	$self	1425	$self
		1426	}
		1427
		1428	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1429
		1430	=cut
		1431
		1432	sub send_msg {
		1433	my $ns = shift->ns
		1434	or return;
		1435	$ns->send_msg (@_);
1031	}	1436	}
1032		1437
1033	=item $pl->quit_character	1438	=item $pl->quit_character
1034		1439
1035	Nukes the player without looking back. If logged in, the connection will	1440	Nukes the player without looking back. If logged in, the connection will
…		…
1084	while and may block, so not sync_job-capable, ever.	1489	while and may block, so not sync_job-capable, ever.
1085		1490
1086	=cut	1491	=cut
1087		1492
1088	sub list_logins {	1493	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1494	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1495	or return [];
1091		1496
1092	my @logins;	1497	my @logins;
1093		1498
1094	for my $login (@$dirs) {	1499	for my $login (@$dirs) {
		1500	my $path = path $login;
		1501
		1502	# a .pst is a dead give-away for a valid player
		1503	unless (-e "$path.pst") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1504	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1505	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1506	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1507	}
1098		1508
1099	utf8::decode $login;	1509	utf8::decode $login;
1100	push @logins, $login;	1510	push @logins, $login;
1101	}	1511	}
1102		1512
…		…
1129	}	1539	}
1130		1540
1131	\@paths	1541	\@paths
1132	}	1542	}
1133		1543
		1544	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1545
		1546	Expand crossfire pod fragments into protocol xml.
		1547
		1548	=cut
		1549
		1550	sub expand_cfpod {
		1551	((my $self), (local $_)) = @_;
		1552
		1553	# escape & and <
		1554	s/&/&amp;/g;
		1555	s/(?<![BIUGHT])</&lt;/g;
		1556
		1557	# this is buggy, it needs to properly take care of nested <'s
		1558
		1559	1 while
		1560	# replace B<>, I<>, U<> etc.
		1561	s/B<([^\>]*)>/<b>$1<\/b>/
		1562	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1563	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1564	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1565	# replace G<male|female> tags
		1566	|| s{G<([^>|]*)\|([^>]*)>}{
		1567	$self->gender ? $2 : $1
		1568	}ge
		1569	# replace H<hint text>
		1570	|| s{H<([^\>]*)>}
		1571	{
		1572	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1573	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1574	"")
		1575	[$self->{hintmode}]
		1576	}ge;
		1577
		1578	# create single paragraphs (very hackish)
		1579	s/(?<=\S)\n(?=\w)/ /g;
		1580
		1581	# compress some whitespace
		1582	s/\s+\n/\n/g; # ws line-ends
		1583	s/\n\n+/\n/g; # double lines
		1584	s/^\n+//; # beginning lines
		1585	s/\n+$//; # ending lines
		1586
		1587	$_
		1588	}
		1589
		1590	sub hintmode {
		1591	$_[0]{hintmode} = $_[1] if @_ > 1;
		1592	$_[0]{hintmode}
		1593	}
		1594
1134	=item $player->ext_reply ($msgid, %msg)	1595	=item $player->ext_reply ($msgid, @msg)
1135		1596
1136	Sends an ext reply to the player.	1597	Sends an ext reply to the player.
1137		1598
1138	=cut	1599	=cut
1139		1600
1140	sub ext_reply($$%) {	1601	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1602	my ($self, $id, @msg) = @_;
1142		1603
1143	$msg{msgid} = $id;	1604	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1605	}
1147		1606
1148	=item $player->ext_event ($type, %msg)	1607	=item $player->ext_msg ($type, @msg)
1149		1608
1150	Sends an ext event to the client.	1609	Sends an ext event to the client.
1151		1610
1152	=cut	1611	=cut
1153		1612
1154	sub ext_event($$%) {	1613	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1614	my ($self, $type, @msg) = @_;
1156		1615
1157	$self->ns->ext_event ($type, %msg);	1616	$self->ns->ext_msg ($type, @msg);
1158	}	1617	}
1159		1618
1160	=head3 cf::region	1619	=head3 cf::region
1161		1620
1162	=over 4	1621	=over 4
…		…
1165		1624
1166	package cf::region;	1625	package cf::region;
1167		1626
1168	=item cf::region::find_by_path $path	1627	=item cf::region::find_by_path $path
1169		1628
1170	Tries to decuce the probable region for a map knowing only its path.	1629	Tries to decuce the likely region for a map knowing only its path.
1171		1630
1172	=cut	1631	=cut
1173		1632
1174	sub find_by_path($) {	1633	sub find_by_path($) {
1175	my ($path) = @_;	1634	my ($path) = @_;
1176		1635
1177	my ($match, $specificity);	1636	my ($match, $specificity);
1178		1637
1179	for my $region (list) {	1638	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1639	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1640	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1641	if $region->specificity > $specificity;
1183	}	1642	}
1184	}	1643	}
1185		1644
…		…
1249	my ($self, $merge) = @_;	1708	my ($self, $merge) = @_;
1250		1709
1251	# we have to keep some variables in memory intact	1710	# we have to keep some variables in memory intact
1252	local $self->{path};	1711	local $self->{path};
1253	local $self->{load_path};	1712	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1713
1257	$self->SUPER::thawer_merge ($merge);	1714	$self->SUPER::thawer_merge ($merge);
1258	}	1715	}
1259		1716
1260	sub normalise {	1717	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1764	$self->init; # pass $1 etc.
1308	return $self;	1765	return $self;
1309	}	1766	}
1310	}	1767	}
1311		1768
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1769	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1770	()
1314	}	1771	}
1315		1772
1316	sub init {	1773	sub init {
1317	my ($self) = @_;	1774	my ($self) = @_;
…		…
1332		1789
1333	# the original (read-only) location	1790	# the original (read-only) location
1334	sub load_path {	1791	sub load_path {
1335	my ($self) = @_;	1792	my ($self) = @_;
1336		1793
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1794	"$MAPDIR/$self->{path}.map"
1338	}	1795	}
1339		1796
1340	# the temporary/swap location	1797	# the temporary/swap location
1341	sub save_path {	1798	sub save_path {
1342	my ($self) = @_;	1799	my ($self) = @_;
1343		1800
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1801	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1802	"$TMPDIR/$path.map"
1346	}	1803	}
1347		1804
1348	# the unique path, undef == no special unique path	1805	# the unique path, undef == no special unique path
1349	sub uniq_path {	1806	sub uniq_path {
1350	my ($self) = @_;	1807	my ($self) = @_;
1351		1808
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1809	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1810	"$UNIQUEDIR/$path"
1354	}	1811	}
1355		1812
1356	# and all this just because we cannot iterate over	1813	# and all this just because we cannot iterate over
1357	# all maps in C++...	1814	# all maps in C++...
1358	sub change_all_map_light {	1815	sub change_all_map_light {
…		…
1360		1817
1361	$_->change_map_light ($change)	1818	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1819	for grep $_->outdoor, values %cf::MAP;
1363	}	1820	}
1364		1821
		1822	sub decay_objects {
		1823	my ($self) = @_;
		1824
		1825	return if $self->{deny_reset};
		1826
		1827	$self->do_decay_objects;
		1828	}
		1829
1365	sub unlink_save {	1830	sub unlink_save {
1366	my ($self) = @_;	1831	my ($self) = @_;
1367		1832
1368	utf8::encode (my $save = $self->save_path);	1833	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1834	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1837
1373	sub load_header_from($) {	1838	sub load_header_from($) {
1374	my ($self, $path) = @_;	1839	my ($self, $path) = @_;
1375		1840
1376	utf8::encode $path;	1841	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1842	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	or return;	1843	or return;
		1844
		1845	$self->_load_header ($f)
		1846	or return;
		1847
		1848	local $MAP_LOADING{$self->{path}} = $self;
		1849	$f->resolve_delayed_derefs;
1382		1850
1383	$self->{load_path} = $path;	1851	$self->{load_path} = $path;
1384		1852
1385	1	1853	1
1386	}	1854	}
…		…
1425	$self->load_header_orig	1893	$self->load_header_orig
1426	or return;	1894	or return;
1427	$self->prepare_orig;	1895	$self->prepare_orig;
1428	}	1896	}
1429		1897
		1898	$self->{deny_reset} = 1
		1899	if $self->no_reset;
		1900
1430	$self->default_region (cf::region::find_by_path $self->{path})	1901	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1902	unless $self->default_region;
1432		1903
1433	1	1904	1
1434	}	1905	}
…		…
1437	sub find {	1908	sub find {
1438	my ($path, $origin) = @_;	1909	my ($path, $origin) = @_;
1439		1910
1440	$path = normalise $path, $origin && $origin->path;	1911	$path = normalise $path, $origin && $origin->path;
1441		1912
		1913	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1914	cf::lock_wait "map_find:$path";
1443		1915
1444	$cf::MAP{$path} || do {	1916	$cf::MAP{$path} || do {
1445	my $guard = cf::lock_acquire "map_find:$path";	1917	my $guard1 = cf::lock_acquire "map_find:$path";
		1918	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1919
1446	my $map = new_from_path cf::map $path	1920	my $map = new_from_path cf::map $path
1447	or return;	1921	or return;
1448		1922
1449	$map->{last_save} = $cf::RUNTIME;	1923	$map->{last_save} = $cf::RUNTIME;
1450		1924
1451	$map->load_header	1925	$map->load_header
1452	or return;	1926	or return;
1453		1927
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1928	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1929	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1930	#$cf::WAIT_FOR_TICK->wait;
		1931	undef $guard1;
		1932	undef $guard2;
1457	$map->reset;	1933	$map->reset;
1458	undef $guard;
1459	return find $path;	1934	return find $path;
1460	}	1935	}
1461		1936
1462	$cf::MAP{$path} = $map	1937	$cf::MAP{$path} = $map
1463	}	1938	}
…		…
1470	my ($self) = @_;	1945	my ($self) = @_;
1471		1946
1472	local $self->{deny_reset} = 1; # loading can take a long time	1947	local $self->{deny_reset} = 1; # loading can take a long time
1473		1948
1474	my $path = $self->{path};	1949	my $path = $self->{path};
		1950
		1951	{
1475	my $guard = cf::lock_acquire "map_load:$path";	1952	my $guard = cf::lock_acquire "map_data:$path";
1476		1953
		1954	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	1955	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		1956
1479	$self->in_memory (cf::MAP_LOADING);	1957	$self->in_memory (cf::MAP_LOADING);
1480		1958
1481	$self->alloc;	1959	$self->alloc;
1482		1960
1483	$self->pre_load;	1961	$self->pre_load;
1484	Coro::cede;	1962	cf::cede_to_tick;
1485		1963
1486	$self->_load_objects ($self->{load_path}, 1)	1964	my $f = new_from_file cf::object::thawer $self->{load_path};
		1965	$f->skip_block;
		1966	$self->_load_objects ($f)
1487	or return;	1967	or return;
1488		1968
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1969	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	1970	if delete $self->{load_original};
1491		1971
1492	if (my $uniq = $self->uniq_path) {	1972	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	1973	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	1974	unless (aio_stat $uniq) {
		1975	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	1976	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	1977	$self->_load_objects ($f);
		1978	$f->resolve_delayed_derefs;
		1979	}
1497	}	1980	}
1498	}	1981	}
1499		1982
1500	Coro::cede;	1983	$f->resolve_delayed_derefs;
		1984
		1985	cf::cede_to_tick;
1501	# now do the right thing for maps	1986	# now do the right thing for maps
1502	$self->link_multipart_objects;	1987	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	1988	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	1989	unless $self->difficulty;
1513	Coro::cede;	1990	cf::cede_to_tick;
		1991
		1992	unless ($self->{deny_activate}) {
		1993	$self->decay_objects;
		1994	$self->fix_auto_apply;
		1995	$self->update_buttons;
		1996	cf::cede_to_tick;
		1997	$self->set_darkness_map;
		1998	cf::cede_to_tick;
1514	$self->activate;	1999	$self->activate;
1515	Coro::cede;	2000	}
		2001
		2002	$self->{last_save} = $cf::RUNTIME;
		2003	$self->last_access ($cf::RUNTIME);
		2004
		2005	$self->in_memory (cf::MAP_IN_MEMORY);
1516	}	2006	}
1517		2007
1518	$self->post_load;	2008	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2009	}
1523		2010
1524	sub customise_for {	2011	sub customise_for {
1525	my ($self, $ob) = @_;	2012	my ($self, $ob) = @_;
1526		2013
1527	return find "~" . $ob->name . "/" . $self->{path}	2014	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2015	if $self->per_player;
1529		2016
		2017	# return find "?party/" . $ob->name . "/" . $self->{path}
		2018	# if $self->per_party;
		2019
1530	$self	2020	$self
1531	}	2021	}
1532		2022
1533	# find and load all maps in the 3x3 area around a map	2023	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2024	sub load_neighbours {
1535	my ($map) = @_;	2025	my ($map) = @_;
1536		2026
1537	my @diag; # diagonal neighbours	2027	my @neigh; # diagonal neighbours
1538		2028
1539	for (0 .. 3) {	2029	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2030	my $neigh = $map->tile_path ($_)
1541	or next;	2031	or next;
1542	$neigh = find $neigh, $map	2032	$neigh = find $neigh, $map
1543	or next;	2033	or next;
1544	$neigh->load;	2034	$neigh->load;
1545		2035
		2036	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2037	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2038	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2039	}
1549		2040
1550	for (@diag) {	2041	for (grep defined $_->[0], @neigh) {
		2042	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2043	my $neigh = find $path, $origin
1552	or next;	2044	or next;
1553	$neigh->load;	2045	$neigh->load;
1554	}	2046	}
1555	}	2047	}
1556		2048
…		…
1561	}	2053	}
1562		2054
1563	sub do_load_sync {	2055	sub do_load_sync {
1564	my ($map) = @_;	2056	my ($map) = @_;
1565		2057
		2058	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2059	if $Coro::current == $Coro::main;
		2060
1566	cf::sync_job { $map->load };	2061	cf::sync_job { $map->load };
1567	}	2062	}
1568		2063
1569	our %MAP_PREFETCH;	2064	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2065	our $MAP_PREFETCHER = undef;
1571		2066
1572	sub find_async {	2067	sub find_async {
1573	my ($path, $origin) = @_;	2068	my ($path, $origin, $load) = @_;
1574		2069
1575	$path = normalise $path, $origin && $origin->{path};	2070	$path = normalise $path, $origin && $origin->{path};
1576		2071
1577	if (my $map = $cf::MAP{$path}) {	2072	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2073	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2074	}
1580		2075
1581	undef $MAP_PREFETCH{$path};	2076	$MAP_PREFETCH{$path} |= $load;
		2077
1582	$MAP_PREFETCHER ||= cf::async {	2078	$MAP_PREFETCHER ||= cf::async {
		2079	$Coro::current->{desc} = "map prefetcher";
		2080
1583	while (%MAP_PREFETCH) {	2081	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2082	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2083	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2084	$map->load if $v;
		2085	}
1588		2086
1589	delete $MAP_PREFETCH{$path};	2087	delete $MAP_PREFETCH{$k};
1590	}	2088	}
1591	}	2089	}
1592	undef $MAP_PREFETCHER;	2090	undef $MAP_PREFETCHER;
1593	};	2091	};
1594	$MAP_PREFETCHER->prio (6);	2092	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2095	}
1598		2096
1599	sub save {	2097	sub save {
1600	my ($self) = @_;	2098	my ($self) = @_;
1601		2099
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2101
1604	$self->{last_save} = $cf::RUNTIME;	2102	$self->{last_save} = $cf::RUNTIME;
1605		2103
1606	return unless $self->dirty;	2104	return unless $self->dirty;
1607		2105
…		…
1613	return if $self->{deny_save};	2111	return if $self->{deny_save};
1614		2112
1615	local $self->{last_access} = $self->last_access;#d#	2113	local $self->{last_access} = $self->last_access;#d#
1616		2114
1617	cf::async {	2115	cf::async {
		2116	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2117	$_->contr->save for $self->players;
1619	};	2118	};
1620		2119
1621	if ($uniq) {	2120	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2121	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2129	my ($self) = @_;
1631		2130
1632	# save first because save cedes	2131	# save first because save cedes
1633	$self->save;	2132	$self->save;
1634		2133
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2135
1637	return if $self->players;	2136	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2137	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2138	return if $self->{deny_save};
1640		2139
		2140	$self->in_memory (cf::MAP_SWAPPED);
		2141
		2142	$self->deactivate;
		2143	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2144	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2145	}
1644		2146
1645	sub reset_at {	2147	sub reset_at {
1646	my ($self) = @_;	2148	my ($self) = @_;
1647		2149
1648	# TODO: safety, remove and allow resettable per-player maps	2150	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2151	return 1e99 if $self->{deny_reset};
1651		2152
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2153	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2154	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2155
…		…
1665	my ($self) = @_;	2166	my ($self) = @_;
1666		2167
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2168	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2169
1669	return if $self->players;	2170	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2171
1672	warn "resetting map ", $self->path;#d#	2172	warn "resetting map ", $self->path;
1673		2173
1674	$self->in_memory (cf::MAP_SWAPPED);	2174	$self->in_memory (cf::MAP_SWAPPED);
1675		2175
1676	# need to save uniques path	2176	# need to save uniques path
1677	unless ($self->{deny_save}) {	2177	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2181	if $uniq;
1682	}	2182	}
1683		2183
1684	delete $cf::MAP{$self->path};	2184	delete $cf::MAP{$self->path};
1685		2185
		2186	$self->deactivate;
		2187	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2188	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2189
1690	$self->unlink_save;	2190	$self->unlink_save;
1691	$self->destroy;	2191	$self->destroy;
1692	}	2192	}
1693		2193
1694	my $nuke_counter = "aaaa";	2194	my $nuke_counter = "aaaa";
1695		2195
1696	sub nuke {	2196	sub nuke {
1697	my ($self) = @_;	2197	my ($self) = @_;
1698		2198
		2199	{
		2200	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2201
1699	delete $cf::MAP{$self->path};	2202	delete $cf::MAP{$self->path};
1700		2203
1701	$self->unlink_save;	2204	$self->unlink_save;
1702		2205
1703	bless $self, "cf::map";	2206	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2207	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2208	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2209	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2210	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2211
1709	$cf::MAP{$self->path} = $self;	2212	$cf::MAP{$self->path} = $self;
		2213	}
1710		2214
1711	$self->reset; # polite request, might not happen	2215	$self->reset; # polite request, might not happen
		2216	}
		2217
		2218	=item $maps = cf::map::tmp_maps
		2219
		2220	Returns an arrayref with all map paths of currently instantiated and saved
		2221	maps. May block.
		2222
		2223	=cut
		2224
		2225	sub tmp_maps() {
		2226	[
		2227	map {
		2228	utf8::decode $_;
		2229	/\.map$/
		2230	? normalise $_
		2231	: ()
		2232	} @{ aio_readdir $TMPDIR or [] }
		2233	]
		2234	}
		2235
		2236	=item $maps = cf::map::random_maps
		2237
		2238	Returns an arrayref with all map paths of currently instantiated and saved
		2239	random maps. May block.
		2240
		2241	=cut
		2242
		2243	sub random_maps() {
		2244	[
		2245	map {
		2246	utf8::decode $_;
		2247	/\.map$/
		2248	? normalise "?random/$_"
		2249	: ()
		2250	} @{ aio_readdir $RANDOMDIR or [] }
		2251	]
1712	}	2252	}
1713		2253
1714	=item cf::map::unique_maps	2254	=item cf::map::unique_maps
1715		2255
1716	Returns an arrayref of paths of all shared maps that have	2256	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2257	instantiated unique items. May block.
1718		2258
1719	=cut	2259	=cut
1720		2260
1721	sub unique_maps() {	2261	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2262	[
1723	or return;	2263	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2264	utf8::decode $_;
1729	next if /\.pst$/;	2265	/\.map$/
1730	next unless /^$PATH_SEP/o;	2266	? normalise $_
1731		2267	: ()
1732	push @paths, cf::map::normalise $_;	2268	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2269	]
1734
1735	\@paths
1736	}	2270	}
1737		2271
1738	package cf;	2272	package cf;
1739		2273
1740	=back	2274	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2292	map { $_, inv_recursive_ $_->inv } @_
1759	}	2293	}
1760		2294
1761	sub inv_recursive {	2295	sub inv_recursive {
1762	inv_recursive_ inv $_[0]	2296	inv_recursive_ inv $_[0]
		2297	}
		2298
		2299	=item $ref = $ob->ref
		2300
		2301	creates and returns a persistent reference to an objetc that can be stored as a string.
		2302
		2303	=item $ob = cf::object::deref ($refstring)
		2304
		2305	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2306	even if the object actually exists. May block.
		2307
		2308	=cut
		2309
		2310	sub deref {
		2311	my ($ref) = @_;
		2312
		2313	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2314	my ($uuid, $name) = ($1, $2);
		2315	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2316	or return;
		2317	$pl->ob->uuid eq $uuid
		2318	or return;
		2319
		2320	$pl->ob
		2321	} else {
		2322	warn "$ref: cannot resolve object reference\n";
		2323	undef
		2324	}
1763	}	2325	}
1764		2326
1765	package cf;	2327	package cf;
1766		2328
1767	=back	2329	=back
…		…
1786		2348
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2349	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2350
1789	if ($self->{record_replies}) {	2351	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2352	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2353
1791	} else {	2354	} else {
		2355	my $pl = $self->contr;
		2356
		2357	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2358	my $dialog = $pl->{npc_dialog};
		2359	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2360
		2361	} else {
1792	$msg = $npc->name . " says: $msg" if $npc;	2362	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2363	$self->message ($msg, $flags);
		2364	}
1794	}	2365	}
		2366	}
		2367
		2368	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2369
		2370	=cut
		2371
		2372	sub cf::object::send_msg {
		2373	my $pl = shift->contr
		2374	or return;
		2375	$pl->send_msg (@_);
1795	}	2376	}
1796		2377
1797	=item $player_object->may ("access")	2378	=item $player_object->may ("access")
1798		2379
1799	Returns wether the given player is authorized to access resource "access"	2380	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2427	$self->deactivate_recursive;
1847		2428
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2429	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2430
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2431	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2432	if $self->map && $self->map->{path} ne "{link}";
1852		2433
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2434	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2435	}
1855		2436
1856	sub cf::object::player::leave_link {	2437	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2438	my ($self, $map, $x, $y) = @_;
		2439
		2440	return unless $self->contr->active;
1858		2441
1859	my $link_pos = delete $self->{_link_pos};	2442	my $link_pos = delete $self->{_link_pos};
1860		2443
1861	unless ($map) {	2444	unless ($map) {
1862	# restore original map position	2445	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2459	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2460	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2461	if $x <=0 && $y <= 0;
1879		2462
1880	$map->load;	2463	$map->load;
1881	$map->load_diag;	2464	$map->load_neighbours;
1882		2465
1883	return unless $self->contr->active;	2466	return unless $self->contr->active;
1884	$self->activate_recursive;	2467	$self->activate_recursive;
1885		2468
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2469	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2470	$self->enter_map ($map, $x, $y);
1888	}	2471	}
1889		2472
1890	cf::player->attach (	2473	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2474
1894	# abort map switching before logout	2475	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2476	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2477	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2478	the new (success) or old (failed) map position. In either case, $done will
1898	};	2479	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2480
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2481	=cut
		2482
		2483	our $GOTOGEN;
1925		2484
1926	sub cf::object::player::goto {	2485	sub cf::object::player::goto {
1927	my ($self, $path, $x, $y) = @_;	2486	my ($self, $path, $x, $y, $check, $done) = @_;
		2487
		2488	# do generation counting so two concurrent goto's will be executed in-order
		2489	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1928		2490
1929	$self->enter_link;	2491	$self->enter_link;
1930		2492
1931	(async {	2493	(async {
		2494	$Coro::current->{desc} = "player::goto $path $x $y";
		2495
		2496	# *tag paths override both path and x|y
		2497	if ($path =~ /^\*(.*)$/) {
		2498	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2499	my $ob = $obs[rand @obs];
		2500
		2501	# see if we actually can go there
		2502	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2503	$ob = $obs[rand @obs];
		2504	} else {
		2505	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2506	}
		2507	# else put us there anyways for now #d#
		2508
		2509	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2510	} else {
		2511	($path, $x, $y) = (undef, undef, undef);
		2512	}
		2513	}
		2514
1932	my $map = eval {	2515	my $map = eval {
1933	my $map = cf::map::find $path;	2516	my $map = defined $path ? cf::map::find $path : undef;
		2517
		2518	if ($map) {
1934	$map = $map->customise_for ($self) if $map;	2519	$map = $map->customise_for ($self);
		2520	$map = $check->($map) if $check && $map;
		2521	} else {
		2522	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2523	}
		2524
1935	$map	2525	$map
		2526	};
		2527
		2528	if ($@) {
		2529	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2530	LOG llevError | logBacktrace, Carp::longmess $@;
1936	} or	2531	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2532
		2533	if ($gen == $self->{_goto_generation}) {
		2534	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2535	$self->leave_link ($map, $x, $y);
		2536	}
		2537
		2538	$done->() if $done;
1940	})->prio (1);	2539	})->prio (1);
1941	}	2540	}
1942		2541
1943	=item $player_object->enter_exit ($exit_object)	2542	=item $player_object->enter_exit ($exit_object)
1944		2543
…		…
1983		2582
1984	$rmp->{random_seed} ||= $exit->random_seed;	2583	$rmp->{random_seed} ||= $exit->random_seed;
1985		2584
1986	my $data = cf::to_json $rmp;	2585	my $data = cf::to_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2586	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2587	my $meta = "$RANDOMDIR/$md5.meta";
1989		2588
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2589	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2590	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2591	undef $fh;
1993	aio_rename "$meta~", $meta;	2592	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2612	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2613	my $sp = $exit->stats->sp;
2015		2614
2016	$self->enter_link;	2615	$self->enter_link;
2017		2616
		2617	# if exit is damned, update players death & WoR home-position
		2618	$self->contr->savebed ($slaying, $hp, $sp)
		2619	if $exit->flag (FLAG_DAMNED);
		2620
2018	(async {	2621	(async {
		2622	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2623
2019	$self->deactivate_recursive; # just to be sure	2624	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2625	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2626	$self->goto ($slaying, $hp, $sp);
2022		2627
2023	1;	2628	1;
…		…
2049		2654
2050	utf8::encode $text;	2655	utf8::encode $text;
2051	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2656	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2052	}	2657	}
2053		2658
		2659	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2660
		2661	Send a drawinfo or msg packet to the client, formatting the msg for the
		2662	client if neccessary. C<$type> should be a string identifying the type of
		2663	the message, with C<log> being the default. If C<$color> is negative, suppress
		2664	the message unless the client supports the msg packet.
		2665
		2666	=cut
		2667
		2668	our %CHANNEL = (
		2669	"c/identify" => {
		2670	id => "infobox",
		2671	title => "Identify",
		2672	reply => undef,
		2673	tooltip => "Items recently identified",
		2674	},
		2675	"c/examine" => {
		2676	id => "infobox",
		2677	title => "Examine",
		2678	reply => undef,
		2679	tooltip => "Signs and other items you examined",
		2680	},
		2681	"c/lookat" => {
		2682	id => "infobox",
		2683	title => "Look",
		2684	reply => undef,
		2685	tooltip => "What you saw there",
		2686	},
		2687	);
		2688
		2689	sub cf::client::send_msg {
		2690	my ($self, $channel, $msg, $color, @extra) = @_;
		2691
		2692	$msg = $self->pl->expand_cfpod ($msg);
		2693
		2694	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2695
		2696	# check predefined channels, for the benefit of C
		2697	if ($CHANNEL{$channel}) {
		2698	$channel = $CHANNEL{$channel};
		2699
		2700	$self->ext_msg (channel_info => $channel)
		2701	if $self->can_msg;
		2702
		2703	$channel = $channel->{id};
		2704
		2705	} elsif (ref $channel) {
		2706	# send meta info to client, if not yet sent
		2707	unless (exists $self->{channel}{$channel->{id}}) {
		2708	$self->{channel}{$channel->{id}} = $channel;
		2709	$self->ext_msg (channel_info => $channel)
		2710	if $self->can_msg;
		2711	}
		2712
		2713	$channel = $channel->{id};
		2714	}
		2715
		2716	return unless @extra || length $msg;
		2717
		2718	if ($self->can_msg) {
		2719	# default colour, mask it out
		2720	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2721	if $color & cf::NDI_DEF;
		2722
		2723	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2724	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2725	} else {
		2726	if ($color >= 0) {
		2727	# replace some tags by gcfclient-compatible ones
		2728	for ($msg) {
		2729	1 while
		2730	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2731	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2732	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2733	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2734	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2735	}
		2736
		2737	$color &= cf::NDI_COLOR_MASK;
		2738
		2739	utf8::encode $msg;
		2740
		2741	if (0 && $msg =~ /\[/) {
		2742	# COMMAND/INFO
		2743	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2744	} else {
		2745	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2746	$self->send_packet ("drawinfo $color $msg")
		2747	}
		2748	}
		2749	}
		2750	}
		2751
2054	=item $client->ext_event ($type, %msg)	2752	=item $client->ext_msg ($type, @msg)
2055		2753
2056	Sends an exti event to the client.	2754	Sends an ext event to the client.
2057		2755
2058	=cut	2756	=cut
2059		2757
2060	sub cf::client::ext_event($$%) {	2758	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2759	my ($self, $type, @msg) = @_;
2062		2760
		2761	if ($self->extcmd == 2) {
		2762	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2763	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2764	push @msg, msgtype => "event_$type";
2064	$self->send_packet ("ext " . cf::to_json \%msg);	2765	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2766	}
		2767	}
		2768
		2769	=item $client->ext_reply ($msgid, @msg)
		2770
		2771	Sends an ext reply to the client.
		2772
		2773	=cut
		2774
		2775	sub cf::client::ext_reply($$@) {
		2776	my ($self, $id, @msg) = @_;
		2777
		2778	if ($self->extcmd == 2) {
		2779	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2780	} elsif ($self->extcmd == 1) {
		2781	#TODO: version 1, remove
		2782	unshift @msg, msgtype => "reply", msgid => $id;
		2783	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2784	}
2065	}	2785	}
2066		2786
2067	=item $success = $client->query ($flags, "text", \&cb)	2787	=item $success = $client->query ($flags, "text", \&cb)
2068		2788
2069	Queues a query to the client, calling the given callback with	2789	Queues a query to the client, calling the given callback with
2070	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2790	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2071	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2791	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2072		2792
2073	Queries can fail, so check the return code. Or don't, as queries will become	2793	Queries can fail, so check the return code. Or don't, as queries will
2074	reliable at some point in the future.	2794	become reliable at some point in the future.
2075		2795
2076	=cut	2796	=cut
2077		2797
2078	sub cf::client::query {	2798	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2799	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2807	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2808	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2809
2090	$self->send_packet ($self->{query_queue}[0][0])	2810	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2811	if @{ $self->{query_queue} } == 1;
		2812
		2813	1
2092	}	2814	}
2093		2815
2094	cf::client->attach (	2816	cf::client->attach (
		2817	on_connect => sub {
		2818	my ($ns) = @_;
		2819
		2820	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2821	},
2095	on_reply => sub {	2822	on_reply => sub {
2096	my ($ns, $msg) = @_;	2823	my ($ns, $msg) = @_;
2097		2824
2098	# this weird shuffling is so that direct followup queries	2825	# this weird shuffling is so that direct followup queries
2099	# get handled first	2826	# get handled first
…		…
2111	} else {	2838	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2839	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2840	}
2114	}	2841	}
2115	},	2842	},
		2843	on_exticmd => sub {
		2844	my ($ns, $buf) = @_;
		2845
		2846	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2847
		2848	if (ref $msg) {
		2849	my ($type, $reply, @payload) =
		2850	"ARRAY" eq ref $msg
		2851	? @$msg
		2852	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2853
		2854	my @reply;
		2855
		2856	if (my $cb = $EXTICMD{$type}) {
		2857	@reply = $cb->($ns, @payload);
		2858	}
		2859
		2860	$ns->ext_reply ($reply, @reply)
		2861	if $reply;
		2862
		2863	} else {
		2864	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2865	}
		2866
		2867	cf::override;
		2868	},
2116	);	2869	);
2117		2870
2118	=item $client->async (\&cb)	2871	=item $client->async (\&cb)
2119		2872
2120	Create a new coroutine, running the specified callback. The coroutine will	2873	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	2914	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	2915	our $safe_hole = new Safe::Hole;
2163		2916
2164	$SIG{FPE} = 'IGNORE';	2917	$SIG{FPE} = 'IGNORE';
2165		2918
2166	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2919	$safe->permit_only (Opcode::opset qw(
		2920	:base_core :base_mem :base_orig :base_math
		2921	grepstart grepwhile mapstart mapwhile
		2922	sort time
		2923	));
2167		2924
2168	# here we export the classes and methods available to script code	2925	# here we export the classes and methods available to script code
2169		2926
2170	=pod	2927	=pod
2171		2928
2172	The following functions and methods are available within a safe environment:	2929	The following functions and methods are available within a safe environment:
2173		2930
2174	cf::object contr pay_amount pay_player map	2931	cf::object
		2932	contr pay_amount pay_player map x y force_find force_add destroy
		2933	insert remove name archname title slaying race decrease_ob_nr
		2934
2175	cf::object::player player	2935	cf::object::player
2176	cf::player peaceful	2936	player
2177	cf::map trigger	2937
		2938	cf::player
		2939	peaceful
		2940
		2941	cf::map
		2942	trigger
2178		2943
2179	=cut	2944	=cut
2180		2945
2181	for (	2946	for (
2182	["cf::object" => qw(contr pay_amount pay_player map)],	2947	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2948	insert remove inv name archname title slaying race
		2949	decrease_ob_nr destroy)],
2183	["cf::object::player" => qw(player)],	2950	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	2951	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	2952	["cf::map" => qw(trigger)],
2186	) {	2953	) {
2187	no strict 'refs';	2954	no strict 'refs';
…		…
2258	=back	3025	=back
2259		3026
2260	=cut	3027	=cut
2261		3028
2262	#############################################################################	3029	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3030	# the server's init and main functions
2336		3031
2337	sub load_facedata($) {	3032	sub load_facedata($) {
2338	my ($path) = @_;	3033	my ($path) = @_;
		3034
		3035	# HACK to clear player env face cache, we need some signal framework
		3036	# for this (global event?)
		3037	%ext::player_env::MUSIC_FACE_CACHE = ();
		3038
		3039	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2339		3040
2340	warn "loading facedata from $path\n";	3041	warn "loading facedata from $path\n";
2341		3042
2342	my $facedata;	3043	my $facedata;
2343	0 < aio_load $path, $facedata	3044	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3047	$facedata = Coro::Storable::thaw $facedata;
2347		3048
2348	$facedata->{version} == 2	3049	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3050	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		3051
		3052	# patch in the exptable
		3053	$facedata->{resource}{"res/exp_table"} = {
		3054	type => FT_RSRC,
		3055	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3056	};
		3057	cf::cede_to_tick;
		3058
2351	{	3059	{
2352	my $faces = $facedata->{faceinfo};	3060	my $faces = $facedata->{faceinfo};
2353		3061
2354	while (my ($face, $info) = each %$faces) {	3062	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3063	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3064	cf::face::set_visibility $idx, $info->{visibility};
		3065	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3066	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3067	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3068
		3069	cf::cede_to_tick;
2360	}	3070	}
2361		3071
2362	while (my ($face, $info) = each %$faces) {	3072	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3073	next unless $info->{smooth};
2364	my $idx = cf::face::find $face	3074	my $idx = cf::face::find $face
2365	or next;	3075	or next;
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3076	if (my $smooth = cf::face::find $info->{smooth}) {
		3077	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3078	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3079	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3080	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3081	}
2371	Coro::cede;	3082
		3083	cf::cede_to_tick;
2372	}	3084	}
2373	}	3085	}
2374		3086
2375	{	3087	{
2376	my $anims = $facedata->{animinfo};	3088	my $anims = $facedata->{animinfo};
2377		3089
2378	while (my ($anim, $info) = each %$anims) {	3090	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3091	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3092	cf::cede_to_tick;
2381	}	3093	}
2382		3094
2383	cf::anim::invalidate_all; # d'oh	3095	cf::anim::invalidate_all; # d'oh
2384	}	3096	}
2385		3097
		3098	{
		3099	# TODO: for gcfclient pleasure, we should give resources
		3100	# that gcfclient doesn't grok a >10000 face index.
		3101	my $res = $facedata->{resource};
		3102
		3103	my $soundconf = delete $res->{"res/sound.conf"};
		3104
		3105	while (my ($name, $info) = each %$res) {
		3106	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3107	my $data;
		3108
		3109	if ($info->{type} & 1) {
		3110	# prepend meta info
		3111
		3112	my $meta = $enc->encode ({
		3113	name => $name,
		3114	%{ $info->{meta} || {} },
		3115	});
		3116
		3117	$data = pack "(w/a*)*", $meta, $info->{data};
		3118	} else {
		3119	$data = $info->{data};
		3120	}
		3121
		3122	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3123	cf::face::set_type $idx, $info->{type};
		3124
		3125	cf::cede_to_tick;
		3126	}
		3127
		3128	if ($soundconf) {
		3129	$soundconf = $enc->decode (delete $soundconf->{data});
		3130
		3131	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3132	my $sound = $soundconf->{compat}[$_]
		3133	or next;
		3134
		3135	my $face = cf::face::find "sound/$sound->[1]";
		3136	cf::sound::set $sound->[0] => $face;
		3137	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3138	}
		3139
		3140	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3141	my $face = cf::face::find "sound/$v";
		3142	cf::sound::set $k => $face;
		3143	}
		3144	}
		3145	}
		3146
2386	1	3147	1
2387	}	3148	}
2388		3149
		3150	register_exticmd fx_want => sub {
		3151	my ($ns, $want) = @_;
		3152
		3153	while (my ($k, $v) = each %$want) {
		3154	$ns->fx_want ($k, $v);
		3155	}
		3156	};
		3157
		3158	sub reload_regions {
		3159	# HACK to clear player env face cache, we need some signal framework
		3160	# for this (global event?)
		3161	%ext::player_env::MUSIC_FACE_CACHE = ();
		3162
		3163	load_resource_file "$MAPDIR/regions"
		3164	or die "unable to load regions file\n";
		3165
		3166	for (cf::region::list) {
		3167	$_->{match} = qr/$_->{match}/
		3168	if exists $_->{match};
		3169	}
		3170	}
		3171
2389	sub reload_facedata {	3172	sub reload_facedata {
2390	load_facedata sprintf "%s/facedata", cf::datadir	3173	load_facedata "$DATADIR/facedata"
2391	or die "unable to load facedata\n";	3174	or die "unable to load facedata\n";
2392	}	3175	}
2393		3176
2394	sub reload_regions {
2395	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2396	or die "unable to load regions file\n";
2397	}
2398
2399	sub reload_archetypes {	3177	sub reload_archetypes {
2400	load_archetype_file sprintf "%s/archetypes", cf::datadir	3178	load_resource_file "$DATADIR/archetypes"
2401	or die "unable to load archetypes\n";	3179	or die "unable to load archetypes\n";
		3180	#d# NEED to laod twice to resolve forward references
		3181	# this really needs to be done in an extra post-pass
		3182	# (which needs to be synchronous, so solve it differently)
		3183	load_resource_file "$DATADIR/archetypes"
		3184	or die "unable to load archetypes\n";
2402	}	3185	}
2403		3186
2404	sub reload_treasures {	3187	sub reload_treasures {
2405	load_resource_file sprintf "%s/treasures", cf::datadir	3188	load_resource_file "$DATADIR/treasures"
2406	or die "unable to load treasurelists\n";	3189	or die "unable to load treasurelists\n";
2407	}	3190	}
2408		3191
2409	sub reload_resources {	3192	sub reload_resources {
2410	warn "reloading resource files...\n";	3193	warn "reloading resource files...\n";
2411		3194
2412	reload_regions;	3195	reload_regions;
2413	reload_facedata;	3196	reload_facedata;
		3197	#reload_archetypes;#d#
2414	reload_archetypes;	3198	reload_archetypes;
2415	reload_treasures;	3199	reload_treasures;
2416		3200
2417	warn "finished reloading resource files\n";	3201	warn "finished reloading resource files\n";
2418	}	3202	}
2419		3203
2420	sub init {	3204	sub init {
2421	reload_resources;	3205	reload_resources;
2422	}	3206	}
2423		3207
2424	sub cfg_load {	3208	sub reload_config {
2425	open my $fh, "<:utf8", cf::confdir . "/config"	3209	open my $fh, "<:utf8", "$CONFDIR/config"
2426	or return;	3210	or return;
2427		3211
2428	local $/;	3212	local $/;
2429	*CFG = YAML::Syck::Load <$fh>;	3213	*CFG = YAML::Syck::Load <$fh>;
2430		3214
…		…
2445	sub main {	3229	sub main {
2446	# we must not ever block the main coroutine	3230	# we must not ever block the main coroutine
2447	local $Coro::idle = sub {	3231	local $Coro::idle = sub {
2448	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3232	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2449	(async {	3233	(async {
		3234	$Coro::current->{desc} = "IDLE BUG HANDLER";
2450	Event::one_event;	3235	Event::one_event;
2451	})->prio (Coro::PRIO_MAX);	3236	})->prio (Coro::PRIO_MAX);
2452	};	3237	};
2453		3238
2454	cfg_load;	3239	reload_config;
2455	db_init;	3240	db_init;
2456	load_extensions;	3241	load_extensions;
2457		3242
2458	$TICK_WATCHER->start;	3243	$TICK_WATCHER->start;
2459	Event::loop;	3244	Event::loop;
…		…
2475	},	3260	},
2476	);	3261	);
2477	}	3262	}
2478	}	3263	}
2479		3264
		3265	sub write_runtime {
		3266	my $runtime = "$LOCALDIR/runtime";
		3267
		3268	# first touch the runtime file to show we are still running:
		3269	# the fsync below can take a very very long time.
		3270
		3271	IO::AIO::aio_utime $runtime, undef, undef;
		3272
		3273	my $guard = cf::lock_acquire "write_runtime";
		3274
		3275	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3276	or return;
		3277
		3278	my $value = $cf::RUNTIME + 90 + 10;
		3279	# 10 is the runtime save interval, for a monotonic clock
		3280	# 60 allows for the watchdog to kill the server.
		3281
		3282	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3283	and return;
		3284
		3285	# always fsync - this file is important
		3286	aio_fsync $fh
		3287	and return;
		3288
		3289	# touch it again to show we are up-to-date
		3290	aio_utime $fh, undef, undef;
		3291
		3292	close $fh
		3293	or return;
		3294
		3295	aio_rename "$runtime~", $runtime
		3296	and return;
		3297
		3298	warn "runtime file written.\n";
		3299
		3300	1
		3301	}
		3302
2480	sub emergency_save() {	3303	sub emergency_save() {
2481	my $freeze_guard = cf::freeze_mainloop;	3304	my $freeze_guard = cf::freeze_mainloop;
2482		3305
2483	warn "enter emergency perl save\n";	3306	warn "enter emergency perl save\n";
2484		3307
…		…
2488	# and maps saved/destroyed asynchronously.	3311	# and maps saved/destroyed asynchronously.
2489	warn "begin emergency player save\n";	3312	warn "begin emergency player save\n";
2490	for my $login (keys %cf::PLAYER) {	3313	for my $login (keys %cf::PLAYER) {
2491	my $pl = $cf::PLAYER{$login} or next;	3314	my $pl = $cf::PLAYER{$login} or next;
2492	$pl->valid or next;	3315	$pl->valid or next;
		3316	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2493	$pl->save;	3317	$pl->save;
2494	}	3318	}
2495	warn "end emergency player save\n";	3319	warn "end emergency player save\n";
2496		3320
2497	warn "begin emergency map save\n";	3321	warn "begin emergency map save\n";
…		…
2559	%EXT_CORO = ();	3383	%EXT_CORO = ();
2560		3384
2561	warn "removing commands";	3385	warn "removing commands";
2562	%COMMAND = ();	3386	%COMMAND = ();
2563		3387
2564	warn "removing ext commands";	3388	warn "removing ext/exti commands";
2565	%EXTCMD = ();	3389	%EXTCMD = ();
		3390	%EXTICMD = ();
2566		3391
2567	warn "unloading/nuking all extensions";	3392	warn "unloading/nuking all extensions";
2568	for my $pkg (@EXTS) {	3393	for my $pkg (@EXTS) {
2569	warn "... unloading $pkg";	3394	warn "... unloading $pkg";
2570		3395
…		…
2600	Symbol::delete_package "safe::$_"	3425	Symbol::delete_package "safe::$_"
2601	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3426	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2602		3427
2603	warn "unloading cf.pm \"a bit\"";	3428	warn "unloading cf.pm \"a bit\"";
2604	delete $INC{"cf.pm"};	3429	delete $INC{"cf.pm"};
		3430	delete $INC{"cf/pod.pm"};
2605		3431
2606	# don't, removes xs symbols, too,	3432	# don't, removes xs symbols, too,
2607	# and global variables created in xs	3433	# and global variables created in xs
2608	#Symbol::delete_package __PACKAGE__;	3434	#Symbol::delete_package __PACKAGE__;
2609		3435
…		…
2612	warn "reloading cf.pm";	3438	warn "reloading cf.pm";
2613	require cf;	3439	require cf;
2614	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3440	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2615		3441
2616	warn "loading config and database again";	3442	warn "loading config and database again";
2617	cf::cfg_load;	3443	cf::reload_config;
2618		3444
2619	warn "loading extensions";	3445	warn "loading extensions";
2620	cf::load_extensions;	3446	cf::load_extensions;
2621		3447
2622	warn "reattaching attachments to objects/players";	3448	warn "reattaching attachments to objects/players";
…		…
2658	register_command "reload" => sub {	3484	register_command "reload" => sub {
2659	my ($who, $arg) = @_;	3485	my ($who, $arg) = @_;
2660		3486
2661	if ($who->flag (FLAG_WIZ)) {	3487	if ($who->flag (FLAG_WIZ)) {
2662	$who->message ("reloading server.");	3488	$who->message ("reloading server.");
		3489	async {
		3490	$Coro::current->{desc} = "perl_reload";
2663	async { reload_perl };	3491	reload_perl;
		3492	};
2664	}	3493	}
2665	};	3494	};
2666		3495
2667	unshift @INC, $LIBDIR;	3496	unshift @INC, $LIBDIR;
2668		3497
…		…
2700	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2701	unless ++$bug_warning > 10;	3530	unless ++$bug_warning > 10;
2702	return;	3531	return;
2703	}	3532	}
2704		3533
2705	$NOW = Event::time;	3534	$NOW = $tick_start = Event::time;
2706		3535
2707	cf::server_tick; # one server iteration	3536	cf::server_tick; # one server iteration
2708		3537
2709	$RUNTIME += $TICK;	3538	$RUNTIME += $TICK;
2710	$NEXT_TICK += $TICK;	3539	$NEXT_TICK += $TICK;
2711		3540
2712	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3541	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2713	$NEXT_RUNTIME_WRITE = $NOW + 10;	3542	$NEXT_RUNTIME_WRITE = $NOW + 10;
2714	Coro::async_pool {	3543	Coro::async_pool {
		3544	$Coro::current->{desc} = "runtime saver";
2715	write_runtime	3545	write_runtime
2716	or warn "ERROR: unable to write runtime file: $!";	3546	or warn "ERROR: unable to write runtime file: $!";
2717	};	3547	};
2718	}	3548	}
2719		3549
2720	# my $AFTER = Event::time;	3550	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2721	# warn $AFTER - $NOW;#d#	3551	$sig->send;
		3552	}
		3553	while (my $sig = shift @WAIT_FOR_TICK) {
		3554	$sig->send;
		3555	}
		3556
		3557	$NOW = Event::time;
2722		3558
2723	# if we are delayed by four ticks or more, skip them all	3559	# if we are delayed by four ticks or more, skip them all
2724	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3560	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2725		3561
2726	$TICK_WATCHER->at ($NEXT_TICK);	3562	$TICK_WATCHER->at ($NEXT_TICK);
2727	$TICK_WATCHER->start;	3563	$TICK_WATCHER->start;
2728		3564
2729	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3565	$LOAD = ($NOW - $tick_start) / $TICK;
2730	$sig->send;	3566	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2731	}
2732	while (my $sig = shift @WAIT_FOR_TICK) {
2733	$sig->send;
2734	}
2735		3567
2736	_post_tick;	3568	_post_tick;
2737	},	3569	},
2738	);	3570	);
2739		3571
2740	{	3572	{
		3573	BDB::min_parallel 8;
2741	BDB::max_poll_time $TICK * 0.1;	3574	BDB::max_poll_time $TICK * 0.1;
2742	$BDB_POLL_WATCHER = Event->io (	3575	$BDB_POLL_WATCHER = Event->io (
2743	reentrant => 0,	3576	reentrant => 0,
2744	fd => BDB::poll_fileno,	3577	fd => BDB::poll_fileno,
2745	poll => 'r',	3578	poll => 'r',
2746	prio => 0,	3579	prio => 0,
2747	data => WF_AUTOCANCEL,	3580	data => WF_AUTOCANCEL,
2748	cb => \&BDB::poll_cb,	3581	cb => \&BDB::poll_cb,
2749	);	3582	);
2750	BDB::min_parallel 8;
2751		3583
2752	BDB::set_sync_prepare {	3584	BDB::set_sync_prepare {
2753	my $status;	3585	my $status;
2754	my $current = $Coro::current;	3586	my $current = $Coro::current;
2755	(	3587	(
…		…
2764	)	3596	)
2765	};	3597	};
2766		3598
2767	unless ($DB_ENV) {	3599	unless ($DB_ENV) {
2768	$DB_ENV = BDB::db_env_create;	3600	$DB_ENV = BDB::db_env_create;
		3601	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3602	| BDB::LOG_AUTOREMOVE, 1);
		3603	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3604	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2769		3605
2770	cf::sync_job {	3606	cf::sync_job {
2771	eval {	3607	eval {
2772	BDB::db_env_open	3608	BDB::db_env_open
2773	$DB_ENV,	3609	$DB_ENV,
2774	$BDB_ENV_DIR,	3610	$BDBDIR,
2775	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3611	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2776	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3612	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2777	0666;	3613	0666;
2778		3614
2779	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3615	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2780
2781	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2782	$DB_ENV->set_lk_detect;
2783	};	3616	};
2784		3617
2785	cf::cleanup "db_env_open(db): $@" if $@;	3618	cf::cleanup "db_env_open(db): $@" if $@;
2786	};	3619	};
2787	}	3620	}
		3621
		3622	$BDB_DEADLOCK_WATCHER = Event->timer (
		3623	after => 3,
		3624	interval => 1,
		3625	hard => 1,
		3626	prio => 0,
		3627	data => WF_AUTOCANCEL,
		3628	cb => sub {
		3629	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3630	},
		3631	);
		3632	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3633	after => 11,
		3634	interval => 60,
		3635	hard => 1,
		3636	prio => 0,
		3637	data => WF_AUTOCANCEL,
		3638	cb => sub {
		3639	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3640	},
		3641	);
		3642	$BDB_TRICKLE_WATCHER = Event->timer (
		3643	after => 5,
		3644	interval => 10,
		3645	hard => 1,
		3646	prio => 0,
		3647	data => WF_AUTOCANCEL,
		3648	cb => sub {
		3649	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3650	},
		3651	);
2788	}	3652	}
2789		3653
2790	{	3654	{
2791	IO::AIO::min_parallel 8;	3655	IO::AIO::min_parallel 8;
2792		3656
…		…
2795	$AIO_POLL_WATCHER = Event->io (	3659	$AIO_POLL_WATCHER = Event->io (
2796	reentrant => 0,	3660	reentrant => 0,
2797	data => WF_AUTOCANCEL,	3661	data => WF_AUTOCANCEL,
2798	fd => IO::AIO::poll_fileno,	3662	fd => IO::AIO::poll_fileno,
2799	poll => 'r',	3663	poll => 'r',
2800	prio => 6,	3664	prio => 0,
2801	cb => \&IO::AIO::poll_cb,	3665	cb => \&IO::AIO::poll_cb,
2802	);	3666	);
2803	}	3667	}
2804		3668
		3669	my $_log_backtrace;
		3670
		3671	sub _log_backtrace {
		3672	my ($msg, @addr) = @_;
		3673
		3674	$msg =~ s/\n//;
		3675
		3676	# limit the # of concurrent backtraces
		3677	if ($_log_backtrace < 2) {
		3678	++$_log_backtrace;
		3679	async {
		3680	$Coro::current->{desc} = "abt $msg";
		3681
		3682	my @bt = fork_call {
		3683	@addr = map { sprintf "%x", $_ } @addr;
		3684	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3685	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3686	or die "addr2line: $!";
		3687
		3688	my @funcs;
		3689	my @res = <$fh>;
		3690	chomp for @res;
		3691	while (@res) {
		3692	my ($func, $line) = splice @res, 0, 2, ();
		3693	push @funcs, "[$func] $line";
		3694	}
		3695
		3696	@funcs
		3697	};
		3698
		3699	LOG llevInfo, "[ABT] $msg\n";
		3700	LOG llevInfo, "[ABT] $_\n" for @bt;
		3701	--$_log_backtrace;
		3702	};
		3703	} else {
		3704	LOG llevInfo, "[ABT] $msg\n";
		3705	LOG llevInfo, "[ABT] [suppressed]\n";
		3706	}
		3707	}
		3708
		3709	# load additional modules
		3710	use cf::pod;
		3711
2805	END { cf::emergency_save }	3712	END { cf::emergency_save }
2806		3713
2807	1	3714	1
2808		3715

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