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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.251 by root, Wed Apr 18 14:45:13 2007 UTC vs.
Revision 1.388 by root, Thu Oct 18 02:56:13 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;
10	use Event;	9	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.1 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::Event;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
23	use Coro::Storable;	23	use Coro::Storable;
		24	use Coro::Util ();
24		25
		26	use JSON::XS ();
25	use BDB ();	27	use BDB ();
26	use Data::Dumper;	28	use Data::Dumper;
27	use Digest::MD5;	29	use Digest::MD5;
28	use Fcntl;	30	use Fcntl;
29	use YAML::Syck ();	31	use YAML::Syck ();
30	use IO::AIO 2.32 ();	32	use IO::AIO 2.51 ();
31	use Time::HiRes;	33	use Time::HiRes;
32	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
33		36
34	# configure various modules to our taste	37	# configure various modules to our taste
35	#	38	#
36	$Storable::canonical = 1; # reduce rsync transfers	39	$Storable::canonical = 1; # reduce rsync transfers
37	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
…		…
49	our %COMMAND = ();	52	our %COMMAND = ();
50	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
51		54
52	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
56		60
57	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
58	our @EVENT;	62	our @EVENT;
59	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";
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	80	our $NEXT_TICK;
66	our $NOW;	81	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		83
69	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	88	our $DB_ENV;
71		89
72	our %CFG;	90	our %CFG;
73		91
74	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	93	our $RUNTIME;
76		94
77	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		98
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $tick_start; # for load detecting purposes
		105
86	binmode STDOUT;	106	binmode STDOUT;
87	binmode STDERR;	107	binmode STDERR;
88		108
89	# read virtual server time, if available	109	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
94	}	114	}
95		115
96	mkdir cf::localdir;	116	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		118
103	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
104		120
105	sub cf::map::normalise;	121	sub cf::map::normalise;
106		122
…		…
117	=item $cf::RUNTIME	133	=item $cf::RUNTIME
118		134
119	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
120	every server tick.	136	every server tick.
121		137
122	=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
123		141
124	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		146
127	=item $cf::NOW	147	=item $cf::NOW
128		148
129	The time of the last (current) server tick.	149	The time of the last (current) server tick.
130		150
131	=item $cf::TICK	151	=item $cf::TICK
132		152
133	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.
134		164
135	=item %cf::CFG	165	=item %cf::CFG
136		166
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
138	from wherever your confdir points to.	168	from wherever your confdir points to.
…		…
141		171
142	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
143	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
144	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.
145		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
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
…		…
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153		189
154	$msg .= "\n"	190	$msg .= "\n"
155	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
156		192
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		194
159	utf8::encode $msg;
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		206
171	# 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
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$Event::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$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;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
222		258
223	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]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	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
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($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#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		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
277	=item cf::async { BLOCK }	399	=item cf::async { BLOCK }
278		400
279	Currently the same as Coro::async_pool, meaning you cannot use	401	Currently the same as Coro::async_pool, meaning you cannot use
280	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
281	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.
…		…
284		406
285	BEGIN { *async = \&Coro::async_pool }	407	BEGIN { *async = \&Coro::async_pool }
286		408
287	=item cf::sync_job { BLOCK }	409	=item cf::sync_job { BLOCK }
288		410
289	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)
290	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
291	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.
292		415
293	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
294	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
295	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
296	fast or be very important.	419	fast or be very important.
…		…
299		422
300	sub sync_job(&) {	423	sub sync_job(&) {
301	my ($job) = @_;	424	my ($job) = @_;
302		425
303	if ($Coro::current == $Coro::main) {	426	if ($Coro::current == $Coro::main) {
		427	my $time = Event::time;
		428
304	# this is the main coro, too bad, we have to block	429	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	430	# till the operation succeeds, freezing the server :/
306		431
		432	LOG llevError, Carp::longmess "sync job";#d#
		433
307	# TODO: use suspend/resume instead	434	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	435	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	436	my $freeze_guard = freeze_mainloop;
310		437
311	my $busy = 1;	438	my $busy = 1;
312	my @res;	439	my @res;
313		440
314	(async {	441	(async {
		442	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	443	@res = eval { $job->() };
316	warn $@ if $@;	444	warn $@ if $@;
317	undef $busy;	445	undef $busy;
318	})->prio (Coro::PRIO_MAX);	446	})->prio (Coro::PRIO_MAX);
319		447
320	while ($busy) {	448	while ($busy) {
		449	if (Coro::nready) {
		450	Coro::cede_notself;
		451	} else {
321	Coro::cede or Event::one_event;	452	Event::one_event;
322	}	453	}
		454	}
		455
		456	$time = Event::time - $time;
		457
		458	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		459	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		460
		461	$tick_start += $time; # do not account sync jobs to server load
323		462
324	wantarray ? @res : $res[0]	463	wantarray ? @res : $res[0]
325	} else {	464	} else {
326	# we are in another coroutine, how wonderful, everything just works	465	# we are in another coroutine, how wonderful, everything just works
327		466
…		…
347	$EXT_CORO{$coro+0} = $coro;	486	$EXT_CORO{$coro+0} = $coro;
348		487
349	$coro	488	$coro
350	}	489	}
351		490
352	sub write_runtime {	491	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		492
355	my $runtime = cf::localdir . "/runtime";	493	Executes the given code block with the given arguments in a seperate
		494	process, returning the results. Everything must be serialisable with
		495	Coro::Storable. May, of course, block. Note that the executed sub may
		496	never block itself or use any form of Event handling.
356		497
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	498	=cut
358	or return;
359		499
360	my $value = $cf::RUNTIME + 90 + 10;	500	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	501	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		502
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	503	# we seemingly have to make a local copy of the whole thing,
365	and return;	504	# otherwise perl prematurely frees the stuff :/
		505	# TODO: investigate and fix (likely this will be rather laborious)
366		506
367	# always fsync - this file is important	507	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	508	reset_signals;
369	and return;	509	&$cb
		510	}, @args;
370		511
371	close $fh	512	wantarray ? @res : $res[-1]
372	or return;	513	}
373		514
374	aio_rename "$runtime~", $runtime	515	=item $value = cf::db_get $family => $key
375	and return;
376		516
		517	Returns a single value from the environment database.
		518
		519	=item cf::db_put $family => $key => $value
		520
		521	Stores the given C<$value> in the family. It can currently store binary
		522	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		523
		524	=item $db = cf::db_table "name"
		525
		526	Create and/or open a new database table. The string must not be "db" and must be unique
		527	within each server.
		528
		529	=cut
		530
		531	sub db_table($) {
		532	my ($name) = @_;
		533	my $db = BDB::db_create $DB_ENV;
		534
		535	eval {
		536	$db->set_flags (BDB::CHKSUM);
		537
		538	utf8::encode $name;
		539	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		540	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		541	cf::cleanup "db_open(db): $!" if $!;
		542	};
		543	cf::cleanup "db_open(db): $@" if $@;
		544
		545	$db
		546	}
		547
		548	our $DB;
		549
		550	sub db_init {
		551	cf::sync_job {
		552	$DB ||= db_table "db";
		553	};
		554	}
		555
		556	sub db_get($$) {
		557	my $key = "$_[0]/$_[1]";
		558
		559	cf::sync_job {
		560	BDB::db_get $DB, undef, $key, my $data;
		561
		562	$! ? ()
		563	: $data
377	1	564	}
		565	}
		566
		567	sub db_put($$$) {
		568	BDB::dbreq_pri 4;
		569	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		570	}
		571
		572	=item cf::cache $id => [$paths...], $processversion => $process
		573
		574	Generic caching function that returns the value of the resource $id,
		575	caching and regenerating as required.
		576
		577	This function can block.
		578
		579	=cut
		580
		581	sub cache {
		582	my ($id, $src, $processversion, $process) = @_;
		583
		584	my $meta =
		585	join "\x00",
		586	$processversion,
		587	map {
		588	aio_stat $_
		589	and Carp::croak "$_: $!";
		590
		591	($_, (stat _)[7,9])
		592	} @$src;
		593
		594	my $dbmeta = db_get cache => "$id/meta";
		595	if ($dbmeta ne $meta) {
		596	# changed, we may need to process
		597
		598	my @data;
		599	my $md5;
		600
		601	for (0 .. $#$src) {
		602	0 <= aio_load $src->[$_], $data[$_]
		603	or Carp::croak "$src->[$_]: $!";
		604	}
		605
		606	# if processing is expensive, check
		607	# checksum first
		608	if (1) {
		609	$md5 =
		610	join "\x00",
		611	$processversion,
		612	map {
		613	cf::cede_to_tick;
		614	($src->[$_], Digest::MD5::md5_hex $data[$_])
		615	} 0.. $#$src;
		616
		617
		618	my $dbmd5 = db_get cache => "$id/md5";
		619	if ($dbmd5 eq $md5) {
		620	db_put cache => "$id/meta", $meta;
		621
		622	return db_get cache => "$id/data";
		623	}
		624	}
		625
		626	my $t1 = Time::HiRes::time;
		627	my $data = $process->(\@data);
		628	my $t2 = Time::HiRes::time;
		629
		630	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		631
		632	db_put cache => "$id/data", $data;
		633	db_put cache => "$id/md5" , $md5;
		634	db_put cache => "$id/meta", $meta;
		635
		636	return $data;
		637	}
		638
		639	db_get cache => "$id/data"
378	}	640	}
379		641
380	=item cf::datalog type => key => value, ...	642	=item cf::datalog type => key => value, ...
381		643
382	Log a datalog packet of the given type with the given key-value pairs.	644	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	attach callbacks/event handlers (a collection of which is called an "attachment")	662	attach callbacks/event handlers (a collection of which is called an "attachment")
401	to it. All such attachable objects support the following methods.	663	to it. All such attachable objects support the following methods.
402		664
403	In the following description, CLASS can be any of C<global>, C<object>	665	In the following description, CLASS can be any of C<global>, C<object>
404	C<player>, C<client> or C<map> (i.e. the attachable objects in	666	C<player>, C<client> or C<map> (i.e. the attachable objects in
405	crossfire+).	667	Crossfire TRT).
406		668
407	=over 4	669	=over 4
408		670
409	=item $attachable->attach ($attachment, key => $value...)	671	=item $attachable->attach ($attachment, key => $value...)
410		672
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	835	$registry = $CB_TYPE[$object_type] ||= [];
574		836
575	} elsif ($type eq "subtype") {	837	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	838	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	839	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	840	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		841
580	} elsif ($type eq "package") {	842	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	843	my $pkg = shift @arg;
582		844
583	while (my ($name, $id) = each %cb_id) {	845	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	874	_attach $registry, $klass, @attach;
613	}	875	}
614		876
615	$obj->{$name} = \%arg;	877	$obj->{$name} = \%arg;
616	} else {	878	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	879	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	880	}
619		881
620	$obj->{_attachment}{$name} = undef;	882	$obj->{_attachment}{$name} = undef;
621	}	883	}
622		884
…		…
624	if (ref $_[0]) {	886	if (ref $_[0]) {
625	_object_attach @_;	887	_object_attach @_;
626	} else {	888	} else {
627	_attach shift->_attach_registry, @_;	889	_attach shift->_attach_registry, @_;
628	}	890	}
		891	_recalc_want;
629	};	892	};
630		893
631	# all those should be optimised	894	# all those should be optimised
632	sub cf::attachable::detach {	895	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	896	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	899	delete $obj->{_attachment}{$name};
637	reattach ($obj);	900	reattach ($obj);
638	} else {	901	} else {
639	Carp::croak "cannot, currently, detach class attachments";	902	Carp::croak "cannot, currently, detach class attachments";
640	}	903	}
		904	_recalc_want;
641	};	905	};
642		906
643	sub cf::attachable::attached {	907	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	908	my ($obj, $name) = @_;
645		909
…		…
660	";	924	";
661	die if $@;	925	die if $@;
662	}	926	}
663		927
664	our $override;	928	our $override;
665	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	929	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
666		930
667	sub override {	931	sub override {
668	$override = 1;	932	$override = 1;
669	@invoke_results = ();	933	@INVOKE_RESULTS = (@_);
670	}	934	}
671		935
672	sub do_invoke {	936	sub do_invoke {
673	my $event = shift;	937	my $event = shift;
674	my $callbacks = shift;	938	my $callbacks = shift;
675		939
676	@invoke_results = ();	940	@INVOKE_RESULTS = ();
677		941
678	local $override;	942	local $override;
679		943
680	for (@$callbacks) {	944	for (@$callbacks) {
681	eval { &{$_->[1]} };	945	eval { &{$_->[1]} };
…		…
698		962
699	Generate an object-specific event with the given arguments.	963	Generate an object-specific event with the given arguments.
700		964
701	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	965	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
702	removed in future versions), and there is no public API to access override	966	removed in future versions), and there is no public API to access override
703	results (if you must, access C<@cf::invoke_results> directly).	967	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		968
705	=back	969	=back
706		970
707	=cut	971	=cut
708		972
709	#############################################################################	973	#############################################################################
710	# object support	974	# object support
		975
		976	sub _object_equal($$);
		977	sub _object_equal($$) {
		978	my ($a, $b) = @_;
		979
		980	return 0 unless (ref $a) eq (ref $b);
		981
		982	if ("HASH" eq ref $a) {
		983	my @ka = keys %$a;
		984	my @kb = keys %$b;
		985
		986	return 0 if @ka != @kb;
		987
		988	for (0 .. $#ka) {
		989	return 0 unless $ka[$_] eq $kb[$_];
		990	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		991	}
		992
		993	} elsif ("ARRAY" eq ref $a) {
		994
		995	return 0 if @$a != @$b;
		996
		997	for (0 .. $#$a) {
		998	return 0 unless _object_equal $a->[$_], $b->[$_];
		999	}
		1000
		1001	} elsif ($a ne $b) {
		1002	return 0;
		1003	}
		1004
		1005	1
		1006	}
		1007
		1008	our $SLOW_MERGES;#d#
		1009	sub _can_merge {
		1010	my ($ob1, $ob2) = @_;
		1011
		1012	++$SLOW_MERGES;#d#
		1013
		1014	# we do the slow way here
		1015	return _object_equal $ob1, $ob2
		1016	}
711		1017
712	sub reattach {	1018	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1019	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1020	my ($obj) = @_;
715		1021
…		…
762	sub object_freezer_save {	1068	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1069	my ($filename, $rdata, $objs) = @_;
764		1070
765	sync_job {	1071	sync_job {
766	if (length $$rdata) {	1072	if (length $$rdata) {
		1073	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1074	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1075	$decname, length $$rdata, scalar @$objs;
769		1076
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1077	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1078	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1079	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1080	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1081	close $fh;
775		1082
776	if (@$objs) {	1083	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1084	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	1085	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1086	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1087	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1088	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1089	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1090	aio_rename "$filename.pst~", "$filename.pst";
784	}	1091	}
…		…
792	}	1099	}
793	} else {	1100	} else {
794	aio_unlink $filename;	1101	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1102	aio_unlink "$filename.pst";
796	}	1103	}
797	}	1104	};
798	}	1105	}
799		1106
800	sub object_freezer_as_string {	1107	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1108	my ($rdata, $objs) = @_;
802		1109
…		…
814	or return;	1121	or return;
815		1122
816	unless (aio_stat "$filename.pst") {	1123	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1124	(aio_load "$filename.pst", $av) >= 0
818	or return;	1125	or return;
		1126
819	$av = eval { (Storable::thaw $av)->{objs} };	1127	my $st = eval { Coro::Storable::thaw $av };
		1128	$av = $st->{objs};
820	}	1129	}
821		1130
		1131	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1132	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1133	$decname, length $data, scalar @{$av || []};
		1134
824	return ($data, $av);	1135	($data, $av)
825	}	1136	}
		1137
		1138	=head2 COMMAND CALLBACKS
		1139
		1140	=over 4
		1141
		1142	=cut
826		1143
827	#############################################################################	1144	#############################################################################
828	# command handling &c	1145	# command handling &c
829		1146
830	=item cf::register_command $name => \&callback($ob,$args);	1147	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1160	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1161	}
845		1162
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1163	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1164
848	Register a callbackf ro execution when the client sends an extcmd packet.	1165	Register a callback for execution when the client sends an (synchronous)
		1166	extcmd packet. Ext commands will be processed in the order they are
		1167	received by the server, like other user commands. The first argument is
		1168	the logged-in player. Ext commands can only be processed after a player
		1169	has logged in successfully.
849		1170
850	If the callback returns something, it is sent back as if reply was being	1171	If the callback returns something, it is sent back as if reply was being
851	called.	1172	called.
852		1173
		1174	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1175
		1176	Register a callback for execution when the client sends an (asynchronous)
		1177	exticmd packet. Exti commands are processed by the server as soon as they
		1178	are received, i.e. out of order w.r.t. other commands. The first argument
		1179	is a client socket. Exti commands can be received anytime, even before
		1180	log-in.
		1181
		1182	If the callback returns something, it is sent back as if reply was being
		1183	called.
		1184
853	=cut	1185	=cut
854		1186
855	sub register_extcmd {	1187	sub register_extcmd {
856	my ($name, $cb) = @_;	1188	my ($name, $cb) = @_;
857		1189
858	$EXTCMD{$name} = $cb;	1190	$EXTCMD{$name} = $cb;
		1191	}
		1192
		1193	sub register_exticmd {
		1194	my ($name, $cb) = @_;
		1195
		1196	$EXTICMD{$name} = $cb;
859	}	1197	}
860		1198
861	cf::player->attach (	1199	cf::player->attach (
862	on_command => sub {	1200	on_command => sub {
863	my ($pl, $name, $params) = @_;	1201	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1210	cf::override;
873	},	1211	},
874	on_extcmd => sub {	1212	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1213	my ($pl, $buf) = @_;
876		1214
877	my $msg = eval { from_json $buf };	1215	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1216
879	if (ref $msg) {	1217	if (ref $msg) {
		1218	my ($type, $reply, @payload) =
		1219	"ARRAY" eq ref $msg
		1220	? @$msg
		1221	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1222
		1223	my @reply;
		1224
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1225	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1226	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1227	}
		1228
		1229	$pl->ext_reply ($reply, @reply)
		1230	if $reply;
		1231
885	} else {	1232	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1233	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1234	}
888		1235
889	cf::override;	1236	cf::override;
890	},	1237	},
891	);	1238	);
892		1239
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1240	sub load_extensions {
		1241	cf::sync_job {
		1242	my %todo;
		1243
928	for my $ext (<$LIBDIR/*.ext>) {	1244	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1245	next unless -r $path;
930	eval {	1246
931	load_extension $ext;	1247	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1248	my $base = $1;
		1249	my $pkg = $1;
		1250	$pkg =~ s/[^[:word:]]/_/g;
		1251	$pkg = "ext::$pkg";
		1252
		1253	open my $fh, "<:utf8", $path
		1254	or die "$path: $!";
		1255
		1256	my $source = do { local $/; <$fh> };
		1257
		1258	my %ext = (
		1259	path => $path,
		1260	base => $base,
		1261	pkg => $pkg,
		1262	);
		1263
		1264	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1265	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1266
		1267	$ext{source} =
		1268	"package $pkg; use strict; use utf8;\n"
		1269	. "#line 1 \"$path\"\n{\n"
		1270	. $source
		1271	. "\n};\n1";
		1272
		1273	$todo{$base} = \%ext;
		1274	}
		1275
		1276	my %done;
		1277	while (%todo) {
		1278	my $progress;
		1279
		1280	while (my ($k, $v) = each %todo) {
		1281	for (split /,\s*/, $v->{meta}{depends}) {
		1282	goto skip
		1283	unless exists $done{$_};
		1284	}
		1285
		1286	warn "... loading '$k' into '$v->{pkg}'\n";
		1287
		1288	unless (eval $v->{source}) {
		1289	my $msg = $@ ? "$v->{path}: $@\n"
		1290	: "$v->{base}: extension inactive.\n";
		1291
		1292	if (exists $v->{meta}{mandatory}) {
		1293	warn $msg;
		1294	warn "mandatory extension failed to load, exiting.\n";
		1295	exit 1;
		1296	}
		1297
		1298	warn $msg;
		1299	}
		1300
		1301	$done{$k} = delete $todo{$k};
		1302	push @EXTS, $v->{pkg};
		1303	$progress = 1;
932	1	1304	}
933	} or warn "$ext not loaded: $@";	1305
		1306	skip:
		1307	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1308	unless $progress;
		1309	}
934	}	1310	};
935	}	1311	}
936		1312
937	#############################################################################	1313	#############################################################################
938		1314
		1315	=back
		1316
939	=head2 CORE EXTENSIONS	1317	=head2 CORE EXTENSIONS
940		1318
941	Functions and methods that extend core crossfire objects.	1319	Functions and methods that extend core crossfire objects.
942		1320
943	=cut	1321	=cut
…		…
948		1326
949	=head3 cf::player	1327	=head3 cf::player
950		1328
951	=over 4	1329	=over 4
952		1330
		1331	=item cf::player::num_playing
		1332
		1333	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1334
		1335	=cut
		1336
		1337	sub num_playing {
		1338	scalar grep
		1339	$_->ob->map
		1340	&& !$_->hidden
		1341	&& !$_->ob->flag (cf::FLAG_WIZ),
		1342	cf::player::list
		1343	}
		1344
953	=item cf::player::find $login	1345	=item cf::player::find $login
954		1346
955	Returns the given player object, loading it if necessary (might block).	1347	Returns the given player object, loading it if necessary (might block).
956		1348
957	=cut	1349	=cut
958		1350
959	sub playerdir($) {	1351	sub playerdir($) {
960	cf::localdir	1352	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1353	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1354	}
966		1355
967	sub path($) {	1356	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1357	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1384	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1385	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1386	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1387	aio_unlink +(playerdir $login) . "/$login.pl";
999		1388
1000	my $pl = load_pl path $login	1389	my $f = new_from_file cf::object::thawer path $login
1001	or return;	1390	or return;
		1391
		1392	my $pl = cf::player::load_pl $f
		1393	or return;
		1394	local $cf::PLAYER_LOADING{$login} = $pl;
		1395	$f->resolve_delayed_derefs;
1002	$cf::PLAYER{$login} = $pl	1396	$cf::PLAYER{$login} = $pl
1003	}	1397	}
1004	}	1398	}
1005	}	1399	}
1006		1400
…		…
1016		1410
1017	aio_mkdir playerdir $pl, 0770;	1411	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1412	$pl->{last_save} = $cf::RUNTIME;
1019		1413
1020	$pl->save_pl ($path);	1414	$pl->save_pl ($path);
1021	Coro::cede;	1415	cf::cede_to_tick;
1022	}	1416	}
1023		1417
1024	sub new($) {	1418	sub new($) {
1025	my ($login) = @_;	1419	my ($login) = @_;
1026		1420
…		…
1030	$self->{deny_save} = 1;	1424	$self->{deny_save} = 1;
1031		1425
1032	$cf::PLAYER{$login} = $self;	1426	$cf::PLAYER{$login} = $self;
1033		1427
1034	$self	1428	$self
		1429	}
		1430
		1431	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1432
		1433	=cut
		1434
		1435	sub send_msg {
		1436	my $ns = shift->ns
		1437	or return;
		1438	$ns->send_msg (@_);
1035	}	1439	}
1036		1440
1037	=item $pl->quit_character	1441	=item $pl->quit_character
1038		1442
1039	Nukes the player without looking back. If logged in, the connection will	1443	Nukes the player without looking back. If logged in, the connection will
…		…
1088	while and may block, so not sync_job-capable, ever.	1492	while and may block, so not sync_job-capable, ever.
1089		1493
1090	=cut	1494	=cut
1091		1495
1092	sub list_logins {	1496	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1497	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1498	or return [];
1095		1499
1096	my @logins;	1500	my @logins;
1097		1501
1098	for my $login (@$dirs) {	1502	for my $login (@$dirs) {
		1503	my $path = path $login;
		1504
		1505	# a .pst is a dead give-away for a valid player
		1506	unless (-e "$path.pst") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1507	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1508	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1509	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1510	}
1102		1511
1103	utf8::decode $login;	1512	utf8::decode $login;
1104	push @logins, $login;	1513	push @logins, $login;
1105	}	1514	}
1106		1515
…		…
1133	}	1542	}
1134		1543
1135	\@paths	1544	\@paths
1136	}	1545	}
1137		1546
		1547	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1548
		1549	Expand crossfire pod fragments into protocol xml.
		1550
		1551	=cut
		1552
		1553	sub expand_cfpod {
		1554	((my $self), (local $_)) = @_;
		1555
		1556	# escape & and <
		1557	s/&/&amp;/g;
		1558	s/(?<![BIUGHT])</&lt;/g;
		1559
		1560	# this is buggy, it needs to properly take care of nested <'s
		1561
		1562	1 while
		1563	# replace B<>, I<>, U<> etc.
		1564	s/B<([^\>]*)>/<b>$1<\/b>/
		1565	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1566	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1567	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1568	# replace G<male|female> tags
		1569	|| s{G<([^>|]*)\|([^>]*)>}{
		1570	$self->gender ? $2 : $1
		1571	}ge
		1572	# replace H<hint text>
		1573	|| s{H<([^\>]*)>}
		1574	{
		1575	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1576	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1577	"")
		1578	[$self->{hintmode}]
		1579	}ge;
		1580
		1581	# create single paragraphs (very hackish)
		1582	s/(?<=\S)\n(?=\w)/ /g;
		1583
		1584	# compress some whitespace
		1585	s/\s+\n/\n/g; # ws line-ends
		1586	s/\n\n+/\n/g; # double lines
		1587	s/^\n+//; # beginning lines
		1588	s/\n+$//; # ending lines
		1589
		1590	$_
		1591	}
		1592
		1593	sub hintmode {
		1594	$_[0]{hintmode} = $_[1] if @_ > 1;
		1595	$_[0]{hintmode}
		1596	}
		1597
1138	=item $player->ext_reply ($msgid, %msg)	1598	=item $player->ext_reply ($msgid, @msg)
1139		1599
1140	Sends an ext reply to the player.	1600	Sends an ext reply to the player.
1141		1601
1142	=cut	1602	=cut
1143		1603
1144	sub ext_reply($$%) {	1604	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1605	my ($self, $id, @msg) = @_;
1146		1606
1147	$msg{msgid} = $id;	1607	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1608	}
1151		1609
1152	=item $player->ext_event ($type, %msg)	1610	=item $player->ext_msg ($type, @msg)
1153		1611
1154	Sends an ext event to the client.	1612	Sends an ext event to the client.
1155		1613
1156	=cut	1614	=cut
1157		1615
1158	sub ext_event($$%) {	1616	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1617	my ($self, $type, @msg) = @_;
1160		1618
1161	$self->ns->ext_event ($type, %msg);	1619	$self->ns->ext_msg ($type, @msg);
1162	}	1620	}
1163		1621
1164	=head3 cf::region	1622	=head3 cf::region
1165		1623
1166	=over 4	1624	=over 4
…		…
1169		1627
1170	package cf::region;	1628	package cf::region;
1171		1629
1172	=item cf::region::find_by_path $path	1630	=item cf::region::find_by_path $path
1173		1631
1174	Tries to decuce the probable region for a map knowing only its path.	1632	Tries to decuce the likely region for a map knowing only its path.
1175		1633
1176	=cut	1634	=cut
1177		1635
1178	sub find_by_path($) {	1636	sub find_by_path($) {
1179	my ($path) = @_;	1637	my ($path) = @_;
1180		1638
1181	my ($match, $specificity);	1639	my ($match, $specificity);
1182		1640
1183	for my $region (list) {	1641	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1642	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1643	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1644	if $region->specificity > $specificity;
1187	}	1645	}
1188	}	1646	}
1189		1647
…		…
1253	my ($self, $merge) = @_;	1711	my ($self, $merge) = @_;
1254		1712
1255	# we have to keep some variables in memory intact	1713	# we have to keep some variables in memory intact
1256	local $self->{path};	1714	local $self->{path};
1257	local $self->{load_path};	1715	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1716
1261	$self->SUPER::thawer_merge ($merge);	1717	$self->SUPER::thawer_merge ($merge);
1262	}	1718	}
1263		1719
1264	sub normalise {	1720	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1767	$self->init; # pass $1 etc.
1312	return $self;	1768	return $self;
1313	}	1769	}
1314	}	1770	}
1315		1771
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1772	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1773	()
1318	}	1774	}
1319		1775
1320	sub init {	1776	sub init {
1321	my ($self) = @_;	1777	my ($self) = @_;
…		…
1336		1792
1337	# the original (read-only) location	1793	# the original (read-only) location
1338	sub load_path {	1794	sub load_path {
1339	my ($self) = @_;	1795	my ($self) = @_;
1340		1796
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1797	"$MAPDIR/$self->{path}.map"
1342	}	1798	}
1343		1799
1344	# the temporary/swap location	1800	# the temporary/swap location
1345	sub save_path {	1801	sub save_path {
1346	my ($self) = @_;	1802	my ($self) = @_;
1347		1803
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1804	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1805	"$TMPDIR/$path.map"
1350	}	1806	}
1351		1807
1352	# the unique path, undef == no special unique path	1808	# the unique path, undef == no special unique path
1353	sub uniq_path {	1809	sub uniq_path {
1354	my ($self) = @_;	1810	my ($self) = @_;
1355		1811
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1812	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1813	"$UNIQUEDIR/$path"
1358	}	1814	}
1359		1815
1360	# and all this just because we cannot iterate over	1816	# and all this just because we cannot iterate over
1361	# all maps in C++...	1817	# all maps in C++...
1362	sub change_all_map_light {	1818	sub change_all_map_light {
…		…
1364		1820
1365	$_->change_map_light ($change)	1821	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1822	for grep $_->outdoor, values %cf::MAP;
1367	}	1823	}
1368		1824
		1825	sub decay_objects {
		1826	my ($self) = @_;
		1827
		1828	return if $self->{deny_reset};
		1829
		1830	$self->do_decay_objects;
		1831	}
		1832
1369	sub unlink_save {	1833	sub unlink_save {
1370	my ($self) = @_;	1834	my ($self) = @_;
1371		1835
1372	utf8::encode (my $save = $self->save_path);	1836	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1837	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1840
1377	sub load_header_from($) {	1841	sub load_header_from($) {
1378	my ($self, $path) = @_;	1842	my ($self, $path) = @_;
1379		1843
1380	utf8::encode $path;	1844	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1845	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	or return;	1846	or return;
		1847
		1848	$self->_load_header ($f)
		1849	or return;
		1850
		1851	local $MAP_LOADING{$self->{path}} = $self;
		1852	$f->resolve_delayed_derefs;
1386		1853
1387	$self->{load_path} = $path;	1854	$self->{load_path} = $path;
1388		1855
1389	1	1856	1
1390	}	1857	}
…		…
1429	$self->load_header_orig	1896	$self->load_header_orig
1430	or return;	1897	or return;
1431	$self->prepare_orig;	1898	$self->prepare_orig;
1432	}	1899	}
1433		1900
		1901	$self->{deny_reset} = 1
		1902	if $self->no_reset;
		1903
1434	$self->default_region (cf::region::find_by_path $self->{path})	1904	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1905	unless $self->default_region;
1436		1906
1437	1	1907	1
1438	}	1908	}
…		…
1441	sub find {	1911	sub find {
1442	my ($path, $origin) = @_;	1912	my ($path, $origin) = @_;
1443		1913
1444	$path = normalise $path, $origin && $origin->path;	1914	$path = normalise $path, $origin && $origin->path;
1445		1915
		1916	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1917	cf::lock_wait "map_find:$path";
1447		1918
1448	$cf::MAP{$path} || do {	1919	$cf::MAP{$path} || do {
1449	my $guard = cf::lock_acquire "map_find:$path";	1920	my $guard1 = cf::lock_acquire "map_find:$path";
		1921	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1922
1450	my $map = new_from_path cf::map $path	1923	my $map = new_from_path cf::map $path
1451	or return;	1924	or return;
1452		1925
1453	$map->{last_save} = $cf::RUNTIME;	1926	$map->{last_save} = $cf::RUNTIME;
1454		1927
1455	$map->load_header	1928	$map->load_header
1456	or return;	1929	or return;
1457		1930
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1931	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1932	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1933	#$cf::WAIT_FOR_TICK->wait;
		1934	undef $guard1;
		1935	undef $guard2;
1461	$map->reset;	1936	$map->reset;
1462	undef $guard;
1463	return find $path;	1937	return find $path;
1464	}	1938	}
1465		1939
1466	$cf::MAP{$path} = $map	1940	$cf::MAP{$path} = $map
1467	}	1941	}
…		…
1474	my ($self) = @_;	1948	my ($self) = @_;
1475		1949
1476	local $self->{deny_reset} = 1; # loading can take a long time	1950	local $self->{deny_reset} = 1; # loading can take a long time
1477		1951
1478	my $path = $self->{path};	1952	my $path = $self->{path};
		1953
		1954	{
1479	my $guard = cf::lock_acquire "map_load:$path";	1955	my $guard = cf::lock_acquire "map_data:$path";
1480		1956
		1957	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	1958	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		1959
1483	$self->in_memory (cf::MAP_LOADING);	1960	$self->in_memory (cf::MAP_LOADING);
1484		1961
1485	$self->alloc;	1962	$self->alloc;
1486		1963
1487	$self->pre_load;	1964	$self->pre_load;
1488	Coro::cede;	1965	cf::cede_to_tick;
1489		1966
1490	$self->_load_objects ($self->{load_path}, 1)	1967	my $f = new_from_file cf::object::thawer $self->{load_path};
		1968	$f->skip_block;
		1969	$self->_load_objects ($f)
1491	or return;	1970	or return;
1492		1971
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1972	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	1973	if delete $self->{load_original};
1495		1974
1496	if (my $uniq = $self->uniq_path) {	1975	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	1976	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	1977	unless (aio_stat $uniq) {
		1978	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	1979	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	1980	$self->_load_objects ($f);
		1981	$f->resolve_delayed_derefs;
		1982	}
1501	}	1983	}
1502	}	1984	}
1503		1985
1504	Coro::cede;	1986	$f->resolve_delayed_derefs;
		1987
		1988	cf::cede_to_tick;
1505	# now do the right thing for maps	1989	# now do the right thing for maps
1506	$self->link_multipart_objects;	1990	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	1991	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	1992	unless $self->difficulty;
1517	Coro::cede;	1993	cf::cede_to_tick;
		1994
		1995	unless ($self->{deny_activate}) {
		1996	$self->decay_objects;
		1997	$self->fix_auto_apply;
		1998	$self->update_buttons;
		1999	cf::cede_to_tick;
		2000	$self->set_darkness_map;
		2001	cf::cede_to_tick;
1518	$self->activate;	2002	$self->activate;
1519	Coro::cede;	2003	}
		2004
		2005	$self->{last_save} = $cf::RUNTIME;
		2006	$self->last_access ($cf::RUNTIME);
		2007
		2008	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2009	}
1521		2010
1522	$self->post_load;	2011	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2012	}
1527		2013
1528	sub customise_for {	2014	sub customise_for {
1529	my ($self, $ob) = @_;	2015	my ($self, $ob) = @_;
1530		2016
1531	return find "~" . $ob->name . "/" . $self->{path}	2017	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2018	if $self->per_player;
1533		2019
		2020	# return find "?party/" . $ob->name . "/" . $self->{path}
		2021	# if $self->per_party;
		2022
1534	$self	2023	$self
1535	}	2024	}
1536		2025
1537	# find and load all maps in the 3x3 area around a map	2026	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2027	sub load_neighbours {
1539	my ($map) = @_;	2028	my ($map) = @_;
1540		2029
1541	my @diag; # diagonal neighbours	2030	my @neigh; # diagonal neighbours
1542		2031
1543	for (0 .. 3) {	2032	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2033	my $neigh = $map->tile_path ($_)
1545	or next;	2034	or next;
1546	$neigh = find $neigh, $map	2035	$neigh = find $neigh, $map
1547	or next;	2036	or next;
1548	$neigh->load;	2037	$neigh->load;
1549		2038
		2039	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2040	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2041	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2042	}
1553		2043
1554	for (@diag) {	2044	for (grep defined $_->[0], @neigh) {
		2045	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2046	my $neigh = find $path, $origin
1556	or next;	2047	or next;
1557	$neigh->load;	2048	$neigh->load;
1558	}	2049	}
1559	}	2050	}
1560		2051
…		…
1565	}	2056	}
1566		2057
1567	sub do_load_sync {	2058	sub do_load_sync {
1568	my ($map) = @_;	2059	my ($map) = @_;
1569		2060
		2061	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2062	if $Coro::current == $Coro::main;
		2063
1570	cf::sync_job { $map->load };	2064	cf::sync_job { $map->load };
1571	}	2065	}
1572		2066
1573	our %MAP_PREFETCH;	2067	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2068	our $MAP_PREFETCHER = undef;
1575		2069
1576	sub find_async {	2070	sub find_async {
1577	my ($path, $origin) = @_;	2071	my ($path, $origin, $load) = @_;
1578		2072
1579	$path = normalise $path, $origin && $origin->{path};	2073	$path = normalise $path, $origin && $origin->{path};
1580		2074
1581	if (my $map = $cf::MAP{$path}) {	2075	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2076	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2077	}
1584		2078
1585	undef $MAP_PREFETCH{$path};	2079	$MAP_PREFETCH{$path} |= $load;
		2080
1586	$MAP_PREFETCHER ||= cf::async {	2081	$MAP_PREFETCHER ||= cf::async {
		2082	$Coro::current->{desc} = "map prefetcher";
		2083
1587	while (%MAP_PREFETCH) {	2084	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2085	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2086	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2087	$map->load if $v;
		2088	}
1592		2089
1593	delete $MAP_PREFETCH{$path};	2090	delete $MAP_PREFETCH{$k};
1594	}	2091	}
1595	}	2092	}
1596	undef $MAP_PREFETCHER;	2093	undef $MAP_PREFETCHER;
1597	};	2094	};
1598	$MAP_PREFETCHER->prio (6);	2095	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2098	}
1602		2099
1603	sub save {	2100	sub save {
1604	my ($self) = @_;	2101	my ($self) = @_;
1605		2102
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2103	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2104
1608	$self->{last_save} = $cf::RUNTIME;	2105	$self->{last_save} = $cf::RUNTIME;
1609		2106
1610	return unless $self->dirty;	2107	return unless $self->dirty;
1611		2108
…		…
1617	return if $self->{deny_save};	2114	return if $self->{deny_save};
1618		2115
1619	local $self->{last_access} = $self->last_access;#d#	2116	local $self->{last_access} = $self->last_access;#d#
1620		2117
1621	cf::async {	2118	cf::async {
		2119	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2120	$_->contr->save for $self->players;
1623	};	2121	};
1624		2122
1625	if ($uniq) {	2123	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2124	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2132	my ($self) = @_;
1635		2133
1636	# save first because save cedes	2134	# save first because save cedes
1637	$self->save;	2135	$self->save;
1638		2136
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2137	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2138
1641	return if $self->players;	2139	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2140	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2141	return if $self->{deny_save};
1644		2142
		2143	$self->in_memory (cf::MAP_SWAPPED);
		2144
		2145	$self->deactivate;
		2146	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2147	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2148	}
1648		2149
1649	sub reset_at {	2150	sub reset_at {
1650	my ($self) = @_;	2151	my ($self) = @_;
1651		2152
1652	# TODO: safety, remove and allow resettable per-player maps	2153	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2154	return 1e99 if $self->{deny_reset};
1655		2155
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2156	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2157	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2158
…		…
1669	my ($self) = @_;	2169	my ($self) = @_;
1670		2170
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2171	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2172
1673	return if $self->players;	2173	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2174
1676	warn "resetting map ", $self->path;#d#	2175	warn "resetting map ", $self->path;
1677		2176
1678	$self->in_memory (cf::MAP_SWAPPED);	2177	$self->in_memory (cf::MAP_SWAPPED);
1679		2178
1680	# need to save uniques path	2179	# need to save uniques path
1681	unless ($self->{deny_save}) {	2180	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2184	if $uniq;
1686	}	2185	}
1687		2186
1688	delete $cf::MAP{$self->path};	2187	delete $cf::MAP{$self->path};
1689		2188
		2189	$self->deactivate;
		2190	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2191	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2192
1694	$self->unlink_save;	2193	$self->unlink_save;
1695	$self->destroy;	2194	$self->destroy;
1696	}	2195	}
1697		2196
1698	my $nuke_counter = "aaaa";	2197	my $nuke_counter = "aaaa";
1699		2198
1700	sub nuke {	2199	sub nuke {
1701	my ($self) = @_;	2200	my ($self) = @_;
1702		2201
		2202	{
		2203	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2204
1703	delete $cf::MAP{$self->path};	2205	delete $cf::MAP{$self->path};
1704		2206
1705	$self->unlink_save;	2207	$self->unlink_save;
1706		2208
1707	bless $self, "cf::map";	2209	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2210	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2211	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2212	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2213	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2214
1713	$cf::MAP{$self->path} = $self;	2215	$cf::MAP{$self->path} = $self;
		2216	}
1714		2217
1715	$self->reset; # polite request, might not happen	2218	$self->reset; # polite request, might not happen
		2219	}
		2220
		2221	=item $maps = cf::map::tmp_maps
		2222
		2223	Returns an arrayref with all map paths of currently instantiated and saved
		2224	maps. May block.
		2225
		2226	=cut
		2227
		2228	sub tmp_maps() {
		2229	[
		2230	map {
		2231	utf8::decode $_;
		2232	/\.map$/
		2233	? normalise $_
		2234	: ()
		2235	} @{ aio_readdir $TMPDIR or [] }
		2236	]
		2237	}
		2238
		2239	=item $maps = cf::map::random_maps
		2240
		2241	Returns an arrayref with all map paths of currently instantiated and saved
		2242	random maps. May block.
		2243
		2244	=cut
		2245
		2246	sub random_maps() {
		2247	[
		2248	map {
		2249	utf8::decode $_;
		2250	/\.map$/
		2251	? normalise "?random/$_"
		2252	: ()
		2253	} @{ aio_readdir $RANDOMDIR or [] }
		2254	]
1716	}	2255	}
1717		2256
1718	=item cf::map::unique_maps	2257	=item cf::map::unique_maps
1719		2258
1720	Returns an arrayref of paths of all shared maps that have	2259	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2260	instantiated unique items. May block.
1722		2261
1723	=cut	2262	=cut
1724		2263
1725	sub unique_maps() {	2264	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2265	[
1727	or return;	2266	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2267	utf8::decode $_;
1733	next if /\.pst$/;	2268	/\.map$/
1734	next unless /^$PATH_SEP/o;	2269	? normalise $_
1735		2270	: ()
1736	push @paths, cf::map::normalise $_;	2271	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2272	]
1738
1739	\@paths
1740	}	2273	}
1741		2274
1742	package cf;	2275	package cf;
1743		2276
1744	=back	2277	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2295	map { $_, inv_recursive_ $_->inv } @_
1763	}	2296	}
1764		2297
1765	sub inv_recursive {	2298	sub inv_recursive {
1766	inv_recursive_ inv $_[0]	2299	inv_recursive_ inv $_[0]
		2300	}
		2301
		2302	=item $ref = $ob->ref
		2303
		2304	creates and returns a persistent reference to an objetc that can be stored as a string.
		2305
		2306	=item $ob = cf::object::deref ($refstring)
		2307
		2308	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2309	even if the object actually exists. May block.
		2310
		2311	=cut
		2312
		2313	sub deref {
		2314	my ($ref) = @_;
		2315
		2316	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2317	my ($uuid, $name) = ($1, $2);
		2318	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2319	or return;
		2320	$pl->ob->uuid eq $uuid
		2321	or return;
		2322
		2323	$pl->ob
		2324	} else {
		2325	warn "$ref: cannot resolve object reference\n";
		2326	undef
		2327	}
1767	}	2328	}
1768		2329
1769	package cf;	2330	package cf;
1770		2331
1771	=back	2332	=back
…		…
1790		2351
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2352	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2353
1793	if ($self->{record_replies}) {	2354	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2355	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2356
1795	} else {	2357	} else {
		2358	my $pl = $self->contr;
		2359
		2360	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2361	my $dialog = $pl->{npc_dialog};
		2362	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2363
		2364	} else {
1796	$msg = $npc->name . " says: $msg" if $npc;	2365	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2366	$self->message ($msg, $flags);
		2367	}
1798	}	2368	}
		2369	}
		2370
		2371	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2372
		2373	=cut
		2374
		2375	sub cf::object::send_msg {
		2376	my $pl = shift->contr
		2377	or return;
		2378	$pl->send_msg (@_);
1799	}	2379	}
1800		2380
1801	=item $player_object->may ("access")	2381	=item $player_object->may ("access")
1802		2382
1803	Returns wether the given player is authorized to access resource "access"	2383	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2430	$self->deactivate_recursive;
1851		2431
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2432	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2433
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2434	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2435	if $self->map && $self->map->{path} ne "{link}";
1856		2436
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2437	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2438	}
1859		2439
1860	sub cf::object::player::leave_link {	2440	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2441	my ($self, $map, $x, $y) = @_;
		2442
		2443	return unless $self->contr->active;
1862		2444
1863	my $link_pos = delete $self->{_link_pos};	2445	my $link_pos = delete $self->{_link_pos};
1864		2446
1865	unless ($map) {	2447	unless ($map) {
1866	# restore original map position	2448	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2462	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2463	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2464	if $x <=0 && $y <= 0;
1883		2465
1884	$map->load;	2466	$map->load;
1885	$map->load_diag;	2467	$map->load_neighbours;
1886		2468
1887	return unless $self->contr->active;	2469	return unless $self->contr->active;
1888	$self->activate_recursive;	2470	$self->activate_recursive;
1889		2471
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2472	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2473	$self->enter_map ($map, $x, $y);
1892	}	2474	}
1893		2475
1894	cf::player->attach (	2476	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2477
1898	# abort map switching before logout	2478	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2479	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2480	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2481	the new (success) or old (failed) map position. In either case, $done will
1902	};	2482	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2483
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2484	=cut
		2485
		2486	our $GOTOGEN;
1929		2487
1930	sub cf::object::player::goto {	2488	sub cf::object::player::goto {
1931	my ($self, $path, $x, $y) = @_;	2489	my ($self, $path, $x, $y, $check, $done) = @_;
		2490
		2491	# do generation counting so two concurrent goto's will be executed in-order
		2492	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1932		2493
1933	$self->enter_link;	2494	$self->enter_link;
1934		2495
1935	(async {	2496	(async {
		2497	$Coro::current->{desc} = "player::goto $path $x $y";
		2498
		2499	# *tag paths override both path and x|y
		2500	if ($path =~ /^\*(.*)$/) {
		2501	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2502	my $ob = $obs[rand @obs];
		2503
		2504	# see if we actually can go there
		2505	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2506	$ob = $obs[rand @obs];
		2507	} else {
		2508	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2509	}
		2510	# else put us there anyways for now #d#
		2511
		2512	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2513	} else {
		2514	($path, $x, $y) = (undef, undef, undef);
		2515	}
		2516	}
		2517
1936	my $map = eval {	2518	my $map = eval {
1937	my $map = cf::map::find $path;	2519	my $map = defined $path ? cf::map::find $path : undef;
		2520
		2521	if ($map) {
1938	$map = $map->customise_for ($self) if $map;	2522	$map = $map->customise_for ($self);
		2523	$map = $check->($map) if $check && $map;
		2524	} else {
		2525	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2526	}
		2527
1939	$map	2528	$map
		2529	};
		2530
		2531	if ($@) {
		2532	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2533	LOG llevError | logBacktrace, Carp::longmess $@;
1940	} or	2534	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2535
		2536	if ($gen == $self->{_goto_generation}) {
		2537	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2538	$self->leave_link ($map, $x, $y);
		2539	}
		2540
		2541	$done->() if $done;
1944	})->prio (1);	2542	})->prio (1);
1945	}	2543	}
1946		2544
1947	=item $player_object->enter_exit ($exit_object)	2545	=item $player_object->enter_exit ($exit_object)
1948		2546
…		…
1987		2585
1988	$rmp->{random_seed} ||= $exit->random_seed;	2586	$rmp->{random_seed} ||= $exit->random_seed;
1989		2587
1990	my $data = cf::to_json $rmp;	2588	my $data = cf::to_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2589	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2590	my $meta = "$RANDOMDIR/$md5.meta";
1993		2591
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2592	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2593	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2594	undef $fh;
1997	aio_rename "$meta~", $meta;	2595	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2615	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2616	my $sp = $exit->stats->sp;
2019		2617
2020	$self->enter_link;	2618	$self->enter_link;
2021		2619
		2620	# if exit is damned, update players death & WoR home-position
		2621	$self->contr->savebed ($slaying, $hp, $sp)
		2622	if $exit->flag (FLAG_DAMNED);
		2623
2022	(async {	2624	(async {
		2625	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2626
2023	$self->deactivate_recursive; # just to be sure	2627	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2628	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2629	$self->goto ($slaying, $hp, $sp);
2026		2630
2027	1;	2631	1;
…		…
2053		2657
2054	utf8::encode $text;	2658	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2659	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2660	}
2057		2661
		2662	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2663
		2664	Send a drawinfo or msg packet to the client, formatting the msg for the
		2665	client if neccessary. C<$type> should be a string identifying the type of
		2666	the message, with C<log> being the default. If C<$color> is negative, suppress
		2667	the message unless the client supports the msg packet.
		2668
		2669	=cut
		2670
		2671	our %CHANNEL = (
		2672	"c/identify" => {
		2673	id => "infobox",
		2674	title => "Identify",
		2675	reply => undef,
		2676	tooltip => "Items recently identified",
		2677	},
		2678	"c/examine" => {
		2679	id => "infobox",
		2680	title => "Examine",
		2681	reply => undef,
		2682	tooltip => "Signs and other items you examined",
		2683	},
		2684	"c/lookat" => {
		2685	id => "infobox",
		2686	title => "Look",
		2687	reply => undef,
		2688	tooltip => "What you saw there",
		2689	},
		2690	);
		2691
		2692	sub cf::client::send_msg {
		2693	my ($self, $channel, $msg, $color, @extra) = @_;
		2694
		2695	$msg = $self->pl->expand_cfpod ($msg);
		2696
		2697	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2698
		2699	# check predefined channels, for the benefit of C
		2700	if ($CHANNEL{$channel}) {
		2701	$channel = $CHANNEL{$channel};
		2702
		2703	$self->ext_msg (channel_info => $channel)
		2704	if $self->can_msg;
		2705
		2706	$channel = $channel->{id};
		2707
		2708	} elsif (ref $channel) {
		2709	# send meta info to client, if not yet sent
		2710	unless (exists $self->{channel}{$channel->{id}}) {
		2711	$self->{channel}{$channel->{id}} = $channel;
		2712	$self->ext_msg (channel_info => $channel)
		2713	if $self->can_msg;
		2714	}
		2715
		2716	$channel = $channel->{id};
		2717	}
		2718
		2719	return unless @extra || length $msg;
		2720
		2721	if ($self->can_msg) {
		2722	# default colour, mask it out
		2723	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2724	if $color & cf::NDI_DEF;
		2725
		2726	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2727	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2728	} else {
		2729	if ($color >= 0) {
		2730	# replace some tags by gcfclient-compatible ones
		2731	for ($msg) {
		2732	1 while
		2733	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2734	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2735	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2736	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2737	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2738	}
		2739
		2740	$color &= cf::NDI_COLOR_MASK;
		2741
		2742	utf8::encode $msg;
		2743
		2744	if (0 && $msg =~ /\[/) {
		2745	# COMMAND/INFO
		2746	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2747	} else {
		2748	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2749	$self->send_packet ("drawinfo $color $msg")
		2750	}
		2751	}
		2752	}
		2753	}
		2754
2058	=item $client->ext_event ($type, %msg)	2755	=item $client->ext_msg ($type, @msg)
2059		2756
2060	Sends an exti event to the client.	2757	Sends an ext event to the client.
2061		2758
2062	=cut	2759	=cut
2063		2760
2064	sub cf::client::ext_event($$%) {	2761	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2762	my ($self, $type, @msg) = @_;
2066		2763
		2764	if ($self->extcmd == 2) {
		2765	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2766	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2767	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	2768	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2769	}
		2770	}
		2771
		2772	=item $client->ext_reply ($msgid, @msg)
		2773
		2774	Sends an ext reply to the client.
		2775
		2776	=cut
		2777
		2778	sub cf::client::ext_reply($$@) {
		2779	my ($self, $id, @msg) = @_;
		2780
		2781	if ($self->extcmd == 2) {
		2782	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2783	} elsif ($self->extcmd == 1) {
		2784	#TODO: version 1, remove
		2785	unshift @msg, msgtype => "reply", msgid => $id;
		2786	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2787	}
2069	}	2788	}
2070		2789
2071	=item $success = $client->query ($flags, "text", \&cb)	2790	=item $success = $client->query ($flags, "text", \&cb)
2072		2791
2073	Queues a query to the client, calling the given callback with	2792	Queues a query to the client, calling the given callback with
2074	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2075	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2076		2795
2077	Queries can fail, so check the return code. Or don't, as queries will become	2796	Queries can fail, so check the return code. Or don't, as queries will
2078	reliable at some point in the future.	2797	become reliable at some point in the future.
2079		2798
2080	=cut	2799	=cut
2081		2800
2082	sub cf::client::query {	2801	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2802	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2810	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2812
2094	$self->send_packet ($self->{query_queue}[0][0])	2813	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2814	if @{ $self->{query_queue} } == 1;
		2815
		2816	1
2096	}	2817	}
2097		2818
2098	cf::client->attach (	2819	cf::client->attach (
		2820	on_connect => sub {
		2821	my ($ns) = @_;
		2822
		2823	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2824	},
2099	on_reply => sub {	2825	on_reply => sub {
2100	my ($ns, $msg) = @_;	2826	my ($ns, $msg) = @_;
2101		2827
2102	# this weird shuffling is so that direct followup queries	2828	# this weird shuffling is so that direct followup queries
2103	# get handled first	2829	# get handled first
…		…
2115	} else {	2841	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2842	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2843	}
2118	}	2844	}
2119	},	2845	},
		2846	on_exticmd => sub {
		2847	my ($ns, $buf) = @_;
		2848
		2849	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2850
		2851	if (ref $msg) {
		2852	my ($type, $reply, @payload) =
		2853	"ARRAY" eq ref $msg
		2854	? @$msg
		2855	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2856
		2857	my @reply;
		2858
		2859	if (my $cb = $EXTICMD{$type}) {
		2860	@reply = $cb->($ns, @payload);
		2861	}
		2862
		2863	$ns->ext_reply ($reply, @reply)
		2864	if $reply;
		2865
		2866	} else {
		2867	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2868	}
		2869
		2870	cf::override;
		2871	},
2120	);	2872	);
2121		2873
2122	=item $client->async (\&cb)	2874	=item $client->async (\&cb)
2123		2875
2124	Create a new coroutine, running the specified callback. The coroutine will	2876	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	2917	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	2918	our $safe_hole = new Safe::Hole;
2167		2919
2168	$SIG{FPE} = 'IGNORE';	2920	$SIG{FPE} = 'IGNORE';
2169		2921
2170	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2922	$safe->permit_only (Opcode::opset qw(
		2923	:base_core :base_mem :base_orig :base_math
		2924	grepstart grepwhile mapstart mapwhile
		2925	sort time
		2926	));
2171		2927
2172	# here we export the classes and methods available to script code	2928	# here we export the classes and methods available to script code
2173		2929
2174	=pod	2930	=pod
2175		2931
2176	The following functions and methods are available within a safe environment:	2932	The following functions and methods are available within a safe environment:
2177		2933
2178	cf::object contr pay_amount pay_player map	2934	cf::object
		2935	contr pay_amount pay_player map x y force_find force_add destroy
		2936	insert remove name archname title slaying race decrease_ob_nr
		2937
2179	cf::object::player player	2938	cf::object::player
2180	cf::player peaceful	2939	player
2181	cf::map trigger	2940
		2941	cf::player
		2942	peaceful
		2943
		2944	cf::map
		2945	trigger
2182		2946
2183	=cut	2947	=cut
2184		2948
2185	for (	2949	for (
2186	["cf::object" => qw(contr pay_amount pay_player map)],	2950	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2951	insert remove inv name archname title slaying race
		2952	decrease_ob_nr destroy)],
2187	["cf::object::player" => qw(player)],	2953	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	2954	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	2955	["cf::map" => qw(trigger)],
2190	) {	2956	) {
2191	no strict 'refs';	2957	no strict 'refs';
…		…
2262	=back	3028	=back
2263		3029
2264	=cut	3030	=cut
2265		3031
2266	#############################################################################	3032	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	local $SIG{__WARN__};
2420	eval {
2421	local $SIG{__DIE__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	warn $@ if $@;
2429	_exit 0;
2430	}
2431	}
2432
2433
2434
2435	#############################################################################
2436	# the server's init and main functions	3033	# the server's init and main functions
2437		3034
2438	sub load_facedata($) {	3035	sub load_facedata($) {
2439	my ($path) = @_;	3036	my ($path) = @_;
		3037
		3038	# HACK to clear player env face cache, we need some signal framework
		3039	# for this (global event?)
		3040	%ext::player_env::MUSIC_FACE_CACHE = ();
		3041
		3042	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2440		3043
2441	warn "loading facedata from $path\n";	3044	warn "loading facedata from $path\n";
2442		3045
2443	my $facedata;	3046	my $facedata;
2444	0 < aio_load $path, $facedata	3047	0 < aio_load $path, $facedata
…		…
2447	$facedata = Coro::Storable::thaw $facedata;	3050	$facedata = Coro::Storable::thaw $facedata;
2448		3051
2449	$facedata->{version} == 2	3052	$facedata->{version} == 2
2450	or cf::cleanup "$path: version mismatch, cannot proceed.";	3053	or cf::cleanup "$path: version mismatch, cannot proceed.";
2451		3054
		3055	# patch in the exptable
		3056	$facedata->{resource}{"res/exp_table"} = {
		3057	type => FT_RSRC,
		3058	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3059	};
		3060	cf::cede_to_tick;
		3061
2452	{	3062	{
2453	my $faces = $facedata->{faceinfo};	3063	my $faces = $facedata->{faceinfo};
2454		3064
2455	while (my ($face, $info) = each %$faces) {	3065	while (my ($face, $info) = each %$faces) {
2456	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3066	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2457	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3067	cf::face::set_visibility $idx, $info->{visibility};
		3068	cf::face::set_magicmap $idx, $info->{magicmap};
2458	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3069	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2459	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3070	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2460	Coro::cede;	3071
		3072	cf::cede_to_tick;
2461	}	3073	}
2462		3074
2463	while (my ($face, $info) = each %$faces) {	3075	while (my ($face, $info) = each %$faces) {
2464	next unless $info->{smooth};	3076	next unless $info->{smooth};
2465	my $idx = cf::face::find $face	3077	my $idx = cf::face::find $face
2466	or next;	3078	or next;
2467	if (my $smooth = cf::face::find $info->{smooth}) {	3079	if (my $smooth = cf::face::find $info->{smooth}) {
		3080	cf::face::set_smooth $idx, $smooth;
2468	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3081	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2469	} else {	3082	} else {
2470	warn "smooth face '$info->{smooth}' not found for face '$face'";	3083	warn "smooth face '$info->{smooth}' not found for face '$face'";
2471	}	3084	}
2472	Coro::cede;	3085
		3086	cf::cede_to_tick;
2473	}	3087	}
2474	}	3088	}
2475		3089
2476	{	3090	{
2477	my $anims = $facedata->{animinfo};	3091	my $anims = $facedata->{animinfo};
2478		3092
2479	while (my ($anim, $info) = each %$anims) {	3093	while (my ($anim, $info) = each %$anims) {
2480	cf::anim::set $anim, $info->{frames}, $info->{facings};	3094	cf::anim::set $anim, $info->{frames}, $info->{facings};
2481	Coro::cede;	3095	cf::cede_to_tick;
2482	}	3096	}
2483		3097
2484	cf::anim::invalidate_all; # d'oh	3098	cf::anim::invalidate_all; # d'oh
2485	}	3099	}
2486		3100
		3101	{
		3102	# TODO: for gcfclient pleasure, we should give resources
		3103	# that gcfclient doesn't grok a >10000 face index.
		3104	my $res = $facedata->{resource};
		3105
		3106	my $soundconf = delete $res->{"res/sound.conf"};
		3107
		3108	while (my ($name, $info) = each %$res) {
		3109	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3110	my $data;
		3111
		3112	if ($info->{type} & 1) {
		3113	# prepend meta info
		3114
		3115	my $meta = $enc->encode ({
		3116	name => $name,
		3117	%{ $info->{meta} || {} },
		3118	});
		3119
		3120	$data = pack "(w/a*)*", $meta, $info->{data};
		3121	} else {
		3122	$data = $info->{data};
		3123	}
		3124
		3125	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3126	cf::face::set_type $idx, $info->{type};
		3127
		3128	cf::cede_to_tick;
		3129	}
		3130
		3131	if ($soundconf) {
		3132	$soundconf = $enc->decode (delete $soundconf->{data});
		3133
		3134	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3135	my $sound = $soundconf->{compat}[$_]
		3136	or next;
		3137
		3138	my $face = cf::face::find "sound/$sound->[1]";
		3139	cf::sound::set $sound->[0] => $face;
		3140	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3141	}
		3142
		3143	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3144	my $face = cf::face::find "sound/$v";
		3145	cf::sound::set $k => $face;
		3146	}
		3147	}
		3148	}
		3149
2487	1	3150	1
2488	}	3151	}
2489		3152
		3153	register_exticmd fx_want => sub {
		3154	my ($ns, $want) = @_;
		3155
		3156	while (my ($k, $v) = each %$want) {
		3157	$ns->fx_want ($k, $v);
		3158	}
		3159	};
		3160
		3161	sub reload_regions {
		3162	# HACK to clear player env face cache, we need some signal framework
		3163	# for this (global event?)
		3164	%ext::player_env::MUSIC_FACE_CACHE = ();
		3165
		3166	load_resource_file "$MAPDIR/regions"
		3167	or die "unable to load regions file\n";
		3168
		3169	for (cf::region::list) {
		3170	$_->{match} = qr/$_->{match}/
		3171	if exists $_->{match};
		3172	}
		3173	}
		3174
2490	sub reload_facedata {	3175	sub reload_facedata {
2491	load_facedata sprintf "%s/facedata", cf::datadir	3176	load_facedata "$DATADIR/facedata"
2492	or die "unable to load facedata\n";	3177	or die "unable to load facedata\n";
2493	}	3178	}
2494		3179
2495	sub reload_regions {
2496	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2497	or die "unable to load regions file\n";
2498	}
2499
2500	sub reload_archetypes {	3180	sub reload_archetypes {
2501	load_resource_file sprintf "%s/archetypes", cf::datadir	3181	load_resource_file "$DATADIR/archetypes"
2502	or die "unable to load archetypes\n";	3182	or die "unable to load archetypes\n";
		3183	#d# NEED to laod twice to resolve forward references
		3184	# this really needs to be done in an extra post-pass
		3185	# (which needs to be synchronous, so solve it differently)
		3186	load_resource_file "$DATADIR/archetypes"
		3187	or die "unable to load archetypes\n";
2503	}	3188	}
2504		3189
2505	sub reload_treasures {	3190	sub reload_treasures {
2506	load_resource_file sprintf "%s/treasures", cf::datadir	3191	load_resource_file "$DATADIR/treasures"
2507	or die "unable to load treasurelists\n";	3192	or die "unable to load treasurelists\n";
2508	}	3193	}
2509		3194
2510	sub reload_resources {	3195	sub reload_resources {
2511	warn "reloading resource files...\n";	3196	warn "reloading resource files...\n";
2512		3197
2513	reload_regions;	3198	reload_regions;
2514	reload_facedata;	3199	reload_facedata;
		3200	#reload_archetypes;#d#
2515	reload_archetypes;	3201	reload_archetypes;
2516	reload_treasures;	3202	reload_treasures;
2517		3203
2518	warn "finished reloading resource files\n";	3204	warn "finished reloading resource files\n";
2519	}	3205	}
2520		3206
2521	sub init {	3207	sub init {
2522	reload_resources;	3208	reload_resources;
2523	}	3209	}
2524		3210
2525	sub cfg_load {	3211	sub reload_config {
2526	open my $fh, "<:utf8", cf::confdir . "/config"	3212	open my $fh, "<:utf8", "$CONFDIR/config"
2527	or return;	3213	or return;
2528		3214
2529	local $/;	3215	local $/;
2530	*CFG = YAML::Syck::Load <$fh>;	3216	*CFG = YAML::Syck::Load <$fh>;
2531		3217
…		…
2546	sub main {	3232	sub main {
2547	# we must not ever block the main coroutine	3233	# we must not ever block the main coroutine
2548	local $Coro::idle = sub {	3234	local $Coro::idle = sub {
2549	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3235	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2550	(async {	3236	(async {
		3237	$Coro::current->{desc} = "IDLE BUG HANDLER";
2551	Event::one_event;	3238	Event::one_event;
2552	})->prio (Coro::PRIO_MAX);	3239	})->prio (Coro::PRIO_MAX);
2553	};	3240	};
2554		3241
2555	cfg_load;	3242	reload_config;
2556	db_init;	3243	db_init;
2557	load_extensions;	3244	load_extensions;
2558		3245
2559	$TICK_WATCHER->start;	3246	$TICK_WATCHER->start;
2560	Event::loop;	3247	Event::loop;
…		…
2576	},	3263	},
2577	);	3264	);
2578	}	3265	}
2579	}	3266	}
2580		3267
		3268	sub write_runtime {
		3269	my $runtime = "$LOCALDIR/runtime";
		3270
		3271	# first touch the runtime file to show we are still running:
		3272	# the fsync below can take a very very long time.
		3273
		3274	IO::AIO::aio_utime $runtime, undef, undef;
		3275
		3276	my $guard = cf::lock_acquire "write_runtime";
		3277
		3278	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3279	or return;
		3280
		3281	my $value = $cf::RUNTIME + 90 + 10;
		3282	# 10 is the runtime save interval, for a monotonic clock
		3283	# 60 allows for the watchdog to kill the server.
		3284
		3285	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3286	and return;
		3287
		3288	# always fsync - this file is important
		3289	aio_fsync $fh
		3290	and return;
		3291
		3292	# touch it again to show we are up-to-date
		3293	aio_utime $fh, undef, undef;
		3294
		3295	close $fh
		3296	or return;
		3297
		3298	aio_rename "$runtime~", $runtime
		3299	and return;
		3300
		3301	warn "runtime file written.\n";
		3302
		3303	1
		3304	}
		3305
2581	sub emergency_save() {	3306	sub emergency_save() {
2582	my $freeze_guard = cf::freeze_mainloop;	3307	my $freeze_guard = cf::freeze_mainloop;
2583		3308
2584	warn "enter emergency perl save\n";	3309	warn "enter emergency perl save\n";
2585		3310
…		…
2589	# and maps saved/destroyed asynchronously.	3314	# and maps saved/destroyed asynchronously.
2590	warn "begin emergency player save\n";	3315	warn "begin emergency player save\n";
2591	for my $login (keys %cf::PLAYER) {	3316	for my $login (keys %cf::PLAYER) {
2592	my $pl = $cf::PLAYER{$login} or next;	3317	my $pl = $cf::PLAYER{$login} or next;
2593	$pl->valid or next;	3318	$pl->valid or next;
		3319	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2594	$pl->save;	3320	$pl->save;
2595	}	3321	}
2596	warn "end emergency player save\n";	3322	warn "end emergency player save\n";
2597		3323
2598	warn "begin emergency map save\n";	3324	warn "begin emergency map save\n";
…		…
2646		3372
2647	warn "flushing outstanding aio requests";	3373	warn "flushing outstanding aio requests";
2648	for (;;) {	3374	for (;;) {
2649	BDB::flush;	3375	BDB::flush;
2650	IO::AIO::flush;	3376	IO::AIO::flush;
2651	Coro::cede;	3377	Coro::cede_notself;
2652	last unless IO::AIO::nreqs || BDB::nreqs;	3378	last unless IO::AIO::nreqs || BDB::nreqs;
2653	warn "iterate...";	3379	warn "iterate...";
2654	}	3380	}
2655		3381
2656	++$RELOAD;	3382	++$RELOAD;
…		…
2660	%EXT_CORO = ();	3386	%EXT_CORO = ();
2661		3387
2662	warn "removing commands";	3388	warn "removing commands";
2663	%COMMAND = ();	3389	%COMMAND = ();
2664		3390
2665	warn "removing ext commands";	3391	warn "removing ext/exti commands";
2666	%EXTCMD = ();	3392	%EXTCMD = ();
		3393	%EXTICMD = ();
2667		3394
2668	warn "unloading/nuking all extensions";	3395	warn "unloading/nuking all extensions";
2669	for my $pkg (@EXTS) {	3396	for my $pkg (@EXTS) {
2670	warn "... unloading $pkg";	3397	warn "... unloading $pkg";
2671		3398
…		…
2701	Symbol::delete_package "safe::$_"	3428	Symbol::delete_package "safe::$_"
2702	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3429	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2703		3430
2704	warn "unloading cf.pm \"a bit\"";	3431	warn "unloading cf.pm \"a bit\"";
2705	delete $INC{"cf.pm"};	3432	delete $INC{"cf.pm"};
		3433	delete $INC{"cf/pod.pm"};
2706		3434
2707	# don't, removes xs symbols, too,	3435	# don't, removes xs symbols, too,
2708	# and global variables created in xs	3436	# and global variables created in xs
2709	#Symbol::delete_package __PACKAGE__;	3437	#Symbol::delete_package __PACKAGE__;
2710		3438
…		…
2713	warn "reloading cf.pm";	3441	warn "reloading cf.pm";
2714	require cf;	3442	require cf;
2715	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3443	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2716		3444
2717	warn "loading config and database again";	3445	warn "loading config and database again";
2718	cf::cfg_load;	3446	cf::reload_config;
2719		3447
2720	warn "loading extensions";	3448	warn "loading extensions";
2721	cf::load_extensions;	3449	cf::load_extensions;
2722		3450
2723	warn "reattaching attachments to objects/players";	3451	warn "reattaching attachments to objects/players";
…		…
2759	register_command "reload" => sub {	3487	register_command "reload" => sub {
2760	my ($who, $arg) = @_;	3488	my ($who, $arg) = @_;
2761		3489
2762	if ($who->flag (FLAG_WIZ)) {	3490	if ($who->flag (FLAG_WIZ)) {
2763	$who->message ("reloading server.");	3491	$who->message ("reloading server.");
		3492	async {
		3493	$Coro::current->{desc} = "perl_reload";
2764	async { reload_perl };	3494	reload_perl;
		3495	};
2765	}	3496	}
2766	};	3497	};
2767		3498
2768	unshift @INC, $LIBDIR;	3499	unshift @INC, $LIBDIR;
2769		3500
…		…
2801	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3532	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2802	unless ++$bug_warning > 10;	3533	unless ++$bug_warning > 10;
2803	return;	3534	return;
2804	}	3535	}
2805		3536
2806	$NOW = Event::time;	3537	$NOW = $tick_start = Event::time;
2807		3538
2808	cf::server_tick; # one server iteration	3539	cf::server_tick; # one server iteration
2809		3540
2810	$RUNTIME += $TICK;	3541	$RUNTIME += $TICK;
2811	$NEXT_TICK += $TICK;	3542	$NEXT_TICK += $TICK;
2812		3543
2813	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3544	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2814	$NEXT_RUNTIME_WRITE = $NOW + 10;	3545	$NEXT_RUNTIME_WRITE = $NOW + 10;
2815	Coro::async_pool {	3546	Coro::async_pool {
		3547	$Coro::current->{desc} = "runtime saver";
2816	write_runtime	3548	write_runtime
2817	or warn "ERROR: unable to write runtime file: $!";	3549	or warn "ERROR: unable to write runtime file: $!";
2818	};	3550	};
2819	}	3551	}
2820		3552
2821	# my $AFTER = Event::time;	3553	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2822	# warn $AFTER - $NOW;#d#	3554	$sig->send;
		3555	}
		3556	while (my $sig = shift @WAIT_FOR_TICK) {
		3557	$sig->send;
		3558	}
		3559
		3560	$NOW = Event::time;
2823		3561
2824	# if we are delayed by four ticks or more, skip them all	3562	# if we are delayed by four ticks or more, skip them all
2825	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3563	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2826		3564
2827	$TICK_WATCHER->at ($NEXT_TICK);	3565	$TICK_WATCHER->at ($NEXT_TICK);
2828	$TICK_WATCHER->start;	3566	$TICK_WATCHER->start;
2829		3567
2830	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3568	$LOAD = ($NOW - $tick_start) / $TICK;
2831	$sig->send;	3569	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
2832	}
2833	while (my $sig = shift @WAIT_FOR_TICK) {
2834	$sig->send;
2835	}
2836		3570
2837	_post_tick;	3571	_post_tick;
2838	},	3572	},
2839	);	3573	);
2840		3574
2841	{	3575	{
		3576	BDB::min_parallel 8;
2842	BDB::max_poll_time $TICK * 0.1;	3577	BDB::max_poll_time $TICK * 0.1;
2843	$BDB_POLL_WATCHER = Event->io (	3578	$BDB_POLL_WATCHER = Event->io (
2844	reentrant => 0,	3579	reentrant => 0,
2845	fd => BDB::poll_fileno,	3580	fd => BDB::poll_fileno,
2846	poll => 'r',	3581	poll => 'r',
2847	prio => 0,	3582	prio => 0,
2848	data => WF_AUTOCANCEL,	3583	data => WF_AUTOCANCEL,
2849	cb => \&BDB::poll_cb,	3584	cb => \&BDB::poll_cb,
2850	);	3585	);
2851	BDB::min_parallel 8;
2852		3586
2853	BDB::set_sync_prepare {	3587	BDB::set_sync_prepare {
2854	my $status;	3588	my $status;
2855	my $current = $Coro::current;	3589	my $current = $Coro::current;
2856	(	3590	(
…		…
2865	)	3599	)
2866	};	3600	};
2867		3601
2868	unless ($DB_ENV) {	3602	unless ($DB_ENV) {
2869	$DB_ENV = BDB::db_env_create;	3603	$DB_ENV = BDB::db_env_create;
		3604	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3605	| BDB::LOG_AUTOREMOVE, 1);
		3606	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3607	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2870		3608
2871	cf::sync_job {	3609	cf::sync_job {
2872	eval {	3610	eval {
2873	BDB::db_env_open	3611	BDB::db_env_open
2874	$DB_ENV,	3612	$DB_ENV,
2875	$BDB_ENV_DIR,	3613	$BDBDIR,
2876	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3614	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2877	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3615	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2878	0666;	3616	0666;
2879		3617
2880	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3618	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2881
2882	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2883	$DB_ENV->set_lk_detect;
2884	};	3619	};
2885		3620
2886	cf::cleanup "db_env_open(db): $@" if $@;	3621	cf::cleanup "db_env_open(db): $@" if $@;
2887	};	3622	};
2888	}	3623	}
		3624
		3625	$BDB_DEADLOCK_WATCHER = Event->timer (
		3626	after => 3,
		3627	interval => 1,
		3628	hard => 1,
		3629	prio => 0,
		3630	data => WF_AUTOCANCEL,
		3631	cb => sub {
		3632	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3633	},
		3634	);
		3635	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3636	after => 11,
		3637	interval => 60,
		3638	hard => 1,
		3639	prio => 0,
		3640	data => WF_AUTOCANCEL,
		3641	cb => sub {
		3642	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3643	},
		3644	);
		3645	$BDB_TRICKLE_WATCHER = Event->timer (
		3646	after => 5,
		3647	interval => 10,
		3648	hard => 1,
		3649	prio => 0,
		3650	data => WF_AUTOCANCEL,
		3651	cb => sub {
		3652	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3653	},
		3654	);
2889	}	3655	}
2890		3656
2891	{	3657	{
2892	IO::AIO::min_parallel 8;	3658	IO::AIO::min_parallel 8;
2893		3659
…		…
2896	$AIO_POLL_WATCHER = Event->io (	3662	$AIO_POLL_WATCHER = Event->io (
2897	reentrant => 0,	3663	reentrant => 0,
2898	data => WF_AUTOCANCEL,	3664	data => WF_AUTOCANCEL,
2899	fd => IO::AIO::poll_fileno,	3665	fd => IO::AIO::poll_fileno,
2900	poll => 'r',	3666	poll => 'r',
2901	prio => 6,	3667	prio => 0,
2902	cb => \&IO::AIO::poll_cb,	3668	cb => \&IO::AIO::poll_cb,
2903	);	3669	);
2904	}	3670	}
2905		3671
		3672	my $_log_backtrace;
		3673
		3674	sub _log_backtrace {
		3675	my ($msg, @addr) = @_;
		3676
		3677	$msg =~ s/\n//;
		3678
		3679	# limit the # of concurrent backtraces
		3680	if ($_log_backtrace < 2) {
		3681	++$_log_backtrace;
		3682	async {
		3683	$Coro::current->{desc} = "abt $msg";
		3684
		3685	my @bt = fork_call {
		3686	@addr = map { sprintf "%x", $_ } @addr;
		3687	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3688	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3689	or die "addr2line: $!";
		3690
		3691	my @funcs;
		3692	my @res = <$fh>;
		3693	chomp for @res;
		3694	while (@res) {
		3695	my ($func, $line) = splice @res, 0, 2, ();
		3696	push @funcs, "[$func] $line";
		3697	}
		3698
		3699	@funcs
		3700	};
		3701
		3702	LOG llevInfo, "[ABT] $msg\n";
		3703	LOG llevInfo, "[ABT] $_\n" for @bt;
		3704	--$_log_backtrace;
		3705	};
		3706	} else {
		3707	LOG llevInfo, "[ABT] $msg\n";
		3708	LOG llevInfo, "[ABT] [suppressed]\n";
		3709	}
		3710	}
		3711
2906	# load additional modules	3712	# load additional modules
2907	use cf::pod;	3713	use cf::pod;
2908		3714
2909	END { cf::emergency_save }	3715	END { cf::emergency_save }
2910		3716

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