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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.372 by root, Sat Sep 15 13:25:33 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
26	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	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
32	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
33	$Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		44
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
39		47
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
42	our %COMMAND = ();	52	our %COMMAND = ();
43	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
44		54
45	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
49		60
50	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
51	our @EVENT;	62	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		63
54	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $TICK_WATCHER;	77	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	80	our $NEXT_TICK;
59	our $NOW;	81	our $NOW;
60	our $USE_FSYNC = 1; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
61		83
62	our $BDB_POLL_WATCHER;	84	our $BDB_POLL_WATCHER;
		85	our $BDB_DEADLOCK_WATCHER;
		86	our $BDB_CHECKPOINT_WATCHER;
		87	our $BDB_TRICKLE_WATCHER;
63	our $DB_ENV;	88	our $DB_ENV;
64		89
65	our %CFG;	90	our %CFG;
66		91
67	our $UPTIME; $UPTIME ||= time;	92	our $UPTIME; $UPTIME ||= time;
68	our $RUNTIME;	93	our $RUNTIME;
69		94
70	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
71	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		98
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		105
82	binmode STDOUT;	106	binmode STDOUT;
83	binmode STDERR;	107	binmode STDERR;
84		108
85	# read virtual server time, if available	109	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
90	}	114	}
91		115
92	mkdir cf::localdir;	116	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		118
99	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
100		120
101	sub cf::map::normalise;	121	sub cf::map::normalise;
102		122
…		…
113	=item $cf::RUNTIME	133	=item $cf::RUNTIME
114		134
115	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
116	every server tick.	136	every server tick.
117		137
118	=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
119		141
120	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		146
123	=item $cf::NOW	147	=item $cf::NOW
124		148
125	The time of the last (current) server tick.	149	The time of the last (current) server tick.
126		150
127	=item $cf::TICK	151	=item $cf::TICK
128		152
129	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.
130		164
131	=item %cf::CFG	165	=item %cf::CFG
132		166
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	168	from wherever your confdir points to.
135		169
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		171
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
139	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
140	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
141	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
142		181
143	=back	182	=back
144		183
145	=cut	184	=cut
146		185
147	BEGIN {	186	BEGIN {
148	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	188	my $msg = join "", @_;
150	utf8::encode $msg;
151		189
152	$msg .= "\n"	190	$msg .= "\n"
153	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
154		194
155	LOG llevError, $msg;	195	LOG llevError, $msg;
156	};	196	};
157	}	197	}
158		198
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		206
166	# 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
167	# within the Safe compartment.	208	# within the Safe compartment.
168	for my $pkg (qw(	209	for my $pkg (qw(
169	cf::global cf::attachable	210	cf::global cf::attachable
…		…
177	}	218	}
178		219
179	$Event::DIED = sub {	220	$Event::DIED = sub {
180	warn "error in event callback: @_";	221	warn "error in event callback: @_";
181	};	222	};
		223
		224	#############################################################################
182		225
183	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
184		227
185	=over 4	228	=over 4
186		229
…		…
205	$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;
206	$d	249	$d
207	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
208	}	251	}
209		252
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	253	=item $ref = cf::from_json $json
213		254
214	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
215		256
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	257	=item $json = cf::to_json $ref
224		258
225	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
226		260
227	=cut	261	=cut
228		262
229	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
231	JSON::Syck::Dump $_[0]	265	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	266	sub from_json ($) { $json_coder->decode ($_[0]) }
233		267
234	=item cf::lock_wait $string	268	=item cf::lock_wait $string
235		269
236	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
237		271
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
243	returned.	277	returned.
244		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
245	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
246	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
247		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
248	=cut	289	=cut
249		290
250	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
251		293
252	sub lock_wait($) {	294	sub lock_wait($) {
253	my ($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#
254		301
255	# wait for lock, if any	302	# wait for lock, if any
256	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
257	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
258	Coro::schedule;	305	Coro::schedule;
…		…
264		311
265	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
266	lock_wait $key;	313	lock_wait $key;
267		314
268	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
269		317
270	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
271	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
273	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
274	}	329	}
275		330
276	sub freeze_mainloop {	331	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
278		333
…		…
281	};	336	};
282	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
283	$guard	338	$guard
284	}	339	}
285		340
		341	=item cf::get_slot $time[, $priority[, $name]]
		342
		343	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		344	This call blocks and returns only when you have at least C<$time> seconds
		345	of cpu time till the next tick. The slot is only valid till the next cede.
		346
		347	The optional C<$name> can be used to identify the job to run. It might be
		348	used for statistical purposes and should identify the same time-class.
		349
		350	Useful for short background jobs.
		351
		352	=cut
		353
		354	our @SLOT_QUEUE;
		355	our $SLOT_QUEUE;
		356
		357	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		358	$SLOT_QUEUE = Coro::async {
		359	my $signal = new Coro::Signal;
		360
		361	while () {
		362	next_job:
		363	my $avail = cf::till_tick;
		364	if ($avail > 0.01) {
		365	for (0 .. $#SLOT_QUEUE) {
		366	if ($SLOT_QUEUE[$_][0] < $avail) {
		367	my $job = splice @SLOT_QUEUE, $_, 1, ();
		368	$job->[2]->send;
		369	Coro::cede;
		370	goto next_job;
		371	}
		372	}
		373	}
		374
		375	if (@SLOT_QUEUE) {
		376	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		377	push @cf::WAIT_FOR_TICK, $signal;
		378	$signal->wait;
		379	} else {
		380	Coro::schedule;
		381	}
		382	}
		383	};
		384
		385	sub get_slot($;$$) {
		386	my ($time, $pri, $name) = @_;
		387
		388	$time = $TICK * .6 if $time > $TICK * .6;
		389	my $sig = new Coro::Signal;
		390
		391	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		392	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		393	$SLOT_QUEUE->ready;
		394	$sig->wait;
		395	}
		396
286	=item cf::async { BLOCK }	397	=item cf::async { BLOCK }
287		398
288	Currently the same as Coro::async_pool, meaning you cannot use	399	Currently the same as Coro::async_pool, meaning you cannot use
289	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	400	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
290	thing you are allowed to do is call C<prio> on it.	401	thing you are allowed to do is call C<prio> on it.
…		…
293		404
294	BEGIN { *async = \&Coro::async_pool }	405	BEGIN { *async = \&Coro::async_pool }
295		406
296	=item cf::sync_job { BLOCK }	407	=item cf::sync_job { BLOCK }
297		408
298	The design of crossfire+ requires that the main coro ($Coro::main) is	409	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
299	always able to handle events or runnable, as crossfire+ is only partly	410	is always able to handle events or runnable, as Crossfire TRT is only
300	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	411	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		412	acceptable.
301		413
302	If it must be done, put the blocking parts into C<sync_job>. This will run	414	If it must be done, put the blocking parts into C<sync_job>. This will run
303	the given BLOCK in another coroutine while waiting for the result. The	415	the given BLOCK in another coroutine while waiting for the result. The
304	server will be frozen during this time, so the block should either finish	416	server will be frozen during this time, so the block should either finish
305	fast or be very important.	417	fast or be very important.
…		…
308		420
309	sub sync_job(&) {	421	sub sync_job(&) {
310	my ($job) = @_;	422	my ($job) = @_;
311		423
312	if ($Coro::current == $Coro::main) {	424	if ($Coro::current == $Coro::main) {
		425	my $time = Event::time;
		426
313	# this is the main coro, too bad, we have to block	427	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	428	# till the operation succeeds, freezing the server :/
315		429
316	# TODO: use suspend/resume instead	430	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	431	# (but this is cancel-safe)
…		…
328		442
329	while ($busy) {	443	while ($busy) {
330	Coro::cede or Event::one_event;	444	Coro::cede or Event::one_event;
331	}	445	}
332		446
		447	$time = Event::time - $time;
		448
		449	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		450	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		451
		452	$tick_start += $time; # do not account sync jobs to server load
		453
333	wantarray ? @res : $res[0]	454	wantarray ? @res : $res[0]
334	} else {	455	} else {
335	# we are in another coroutine, how wonderful, everything just works	456	# we are in another coroutine, how wonderful, everything just works
336		457
337	$job->()	458	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	477	$EXT_CORO{$coro+0} = $coro;
357		478
358	$coro	479	$coro
359	}	480	}
360		481
361	sub write_runtime {	482	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		483
364	my $runtime = cf::localdir . "/runtime";	484	Executes the given code block with the given arguments in a seperate
		485	process, returning the results. Everything must be serialisable with
		486	Coro::Storable. May, of course, block. Note that the executed sub may
		487	never block itself or use any form of Event handling.
365		488
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	489	=cut
367	or return;
368		490
369	my $value = $cf::RUNTIME + 90 + 10;	491	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	492	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		493
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	494	# we seemingly have to make a local copy of the whole thing,
374	and return;	495	# otherwise perl prematurely frees the stuff :/
		496	# TODO: investigate and fix (likely this will be rather laborious)
375		497
376	# always fsync - this file is important	498	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	499	reset_signals;
378	and return;	500	&$cb
		501	}, @args;
379		502
380	close $fh	503	wantarray ? @res : $res[-1]
381	or return;	504	}
382		505
383	aio_rename "$runtime~", $runtime	506	=item $value = cf::db_get $family => $key
384	and return;
385		507
		508	Returns a single value from the environment database.
		509
		510	=item cf::db_put $family => $key => $value
		511
		512	Stores the given C<$value> in the family. It can currently store binary
		513	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		514
		515	=item $db = cf::db_table "name"
		516
		517	Create and/or open a new database table. The string must not be "db" and must be unique
		518	within each server.
		519
		520	=cut
		521
		522	sub db_table($) {
		523	my ($name) = @_;
		524	my $db = BDB::db_create $DB_ENV;
		525
		526	eval {
		527	$db->set_flags (BDB::CHKSUM);
		528
		529	utf8::encode $name;
		530	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		531	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		532	cf::cleanup "db_open(db): $!" if $!;
		533	};
		534	cf::cleanup "db_open(db): $@" if $@;
		535
		536	$db
		537	}
		538
		539	our $DB;
		540
		541	sub db_init {
		542	cf::sync_job {
		543	$DB ||= db_table "db";
		544	};
		545	}
		546
		547	sub db_get($$) {
		548	my $key = "$_[0]/$_[1]";
		549
		550	cf::sync_job {
		551	BDB::db_get $DB, undef, $key, my $data;
		552
		553	$! ? ()
		554	: $data
386	1	555	}
		556	}
		557
		558	sub db_put($$$) {
		559	BDB::dbreq_pri 4;
		560	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		561	}
		562
		563	=item cf::cache $id => [$paths...], $processversion => $process
		564
		565	Generic caching function that returns the value of the resource $id,
		566	caching and regenerating as required.
		567
		568	This function can block.
		569
		570	=cut
		571
		572	sub cache {
		573	my ($id, $src, $processversion, $process) = @_;
		574
		575	my $meta =
		576	join "\x00",
		577	$processversion,
		578	map {
		579	aio_stat $_
		580	and Carp::croak "$_: $!";
		581
		582	($_, (stat _)[7,9])
		583	} @$src;
		584
		585	my $dbmeta = db_get cache => "$id/meta";
		586	if ($dbmeta ne $meta) {
		587	# changed, we may need to process
		588
		589	my @data;
		590	my $md5;
		591
		592	for (0 .. $#$src) {
		593	0 <= aio_load $src->[$_], $data[$_]
		594	or Carp::croak "$src->[$_]: $!";
		595	}
		596
		597	# if processing is expensive, check
		598	# checksum first
		599	if (1) {
		600	$md5 =
		601	join "\x00",
		602	$processversion,
		603	map {
		604	cf::cede_to_tick;
		605	($src->[$_], Digest::MD5::md5_hex $data[$_])
		606	} 0.. $#$src;
		607
		608
		609	my $dbmd5 = db_get cache => "$id/md5";
		610	if ($dbmd5 eq $md5) {
		611	db_put cache => "$id/meta", $meta;
		612
		613	return db_get cache => "$id/data";
		614	}
		615	}
		616
		617	my $t1 = Time::HiRes::time;
		618	my $data = $process->(\@data);
		619	my $t2 = Time::HiRes::time;
		620
		621	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		622
		623	db_put cache => "$id/data", $data;
		624	db_put cache => "$id/md5" , $md5;
		625	db_put cache => "$id/meta", $meta;
		626
		627	return $data;
		628	}
		629
		630	db_get cache => "$id/data"
		631	}
		632
		633	=item cf::datalog type => key => value, ...
		634
		635	Log a datalog packet of the given type with the given key-value pairs.
		636
		637	=cut
		638
		639	sub datalog($@) {
		640	my ($type, %kv) = @_;
		641	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	642	}
388		643
389	=back	644	=back
390		645
391	=cut	646	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	653	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	654	to it. All such attachable objects support the following methods.
400		655
401	In the following description, CLASS can be any of C<global>, C<object>	656	In the following description, CLASS can be any of C<global>, C<object>
402	C<player>, C<client> or C<map> (i.e. the attachable objects in	657	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	658	Crossfire TRT).
404		659
405	=over 4	660	=over 4
406		661
407	=item $attachable->attach ($attachment, key => $value...)	662	=item $attachable->attach ($attachment, key => $value...)
408		663
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	826	$registry = $CB_TYPE[$object_type] ||= [];
572		827
573	} elsif ($type eq "subtype") {	828	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	829	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	830	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	831	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		832
578	} elsif ($type eq "package") {	833	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	834	my $pkg = shift @arg;
580		835
581	while (my ($name, $id) = each %cb_id) {	836	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	865	_attach $registry, $klass, @attach;
611	}	866	}
612		867
613	$obj->{$name} = \%arg;	868	$obj->{$name} = \%arg;
614	} else {	869	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	870	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	871	}
617		872
618	$obj->{_attachment}{$name} = undef;	873	$obj->{_attachment}{$name} = undef;
619	}	874	}
620		875
…		…
622	if (ref $_[0]) {	877	if (ref $_[0]) {
623	_object_attach @_;	878	_object_attach @_;
624	} else {	879	} else {
625	_attach shift->_attach_registry, @_;	880	_attach shift->_attach_registry, @_;
626	}	881	}
		882	_recalc_want;
627	};	883	};
628		884
629	# all those should be optimised	885	# all those should be optimised
630	sub cf::attachable::detach {	886	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	887	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	890	delete $obj->{_attachment}{$name};
635	reattach ($obj);	891	reattach ($obj);
636	} else {	892	} else {
637	Carp::croak "cannot, currently, detach class attachments";	893	Carp::croak "cannot, currently, detach class attachments";
638	}	894	}
		895	_recalc_want;
639	};	896	};
640		897
641	sub cf::attachable::attached {	898	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	899	my ($obj, $name) = @_;
643		900
…		…
658	";	915	";
659	die if $@;	916	die if $@;
660	}	917	}
661		918
662	our $override;	919	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	920	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		921
665	sub override {	922	sub override {
666	$override = 1;	923	$override = 1;
667	@invoke_results = ();	924	@INVOKE_RESULTS = (@_);
668	}	925	}
669		926
670	sub do_invoke {	927	sub do_invoke {
671	my $event = shift;	928	my $event = shift;
672	my $callbacks = shift;	929	my $callbacks = shift;
673		930
674	@invoke_results = ();	931	@INVOKE_RESULTS = ();
675		932
676	local $override;	933	local $override;
677		934
678	for (@$callbacks) {	935	for (@$callbacks) {
679	eval { &{$_->[1]} };	936	eval { &{$_->[1]} };
…		…
696		953
697	Generate an object-specific event with the given arguments.	954	Generate an object-specific event with the given arguments.
698		955
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	956	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	957	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	958	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		959
703	=back	960	=back
704		961
705	=cut	962	=cut
706		963
707	#############################################################################	964	#############################################################################
708	# object support	965	# object support
		966	#
		967
		968	sub _can_merge {
		969	my ($ob1, $ob2) = @_;
		970
		971	local $Storable::canonical = 1;
		972	my $fob1 = Storable::freeze $ob1;
		973	my $fob2 = Storable::freeze $ob2;
		974
		975	$fob1 eq $fob2
		976	}
709		977
710	sub reattach {	978	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	979	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	980	my ($obj) = @_;
713		981
…		…
758	);	1026	);
759		1027
760	sub object_freezer_save {	1028	sub object_freezer_save {
761	my ($filename, $rdata, $objs) = @_;	1029	my ($filename, $rdata, $objs) = @_;
762		1030
		1031	my $guard = cf::lock_acquire "io";
		1032
763	sync_job {	1033	sync_job {
764	if (length $$rdata) {	1034	if (length $$rdata) {
		1035	utf8::decode (my $decname = $filename);
765	warn sprintf "saving %s (%d,%d)\n",	1036	warn sprintf "saving %s (%d,%d)\n",
766	$filename, length $$rdata, scalar @$objs;	1037	$decname, length $$rdata, scalar @$objs;
767		1038
768	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1039	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
769	chmod SAVE_MODE, $fh;	1040	chmod SAVE_MODE, $fh;
770	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1041	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
771	aio_fsync $fh if $cf::USE_FSYNC;	1042	aio_fsync $fh if $cf::USE_FSYNC;
…		…
790	}	1061	}
791	} else {	1062	} else {
792	aio_unlink $filename;	1063	aio_unlink $filename;
793	aio_unlink "$filename.pst";	1064	aio_unlink "$filename.pst";
794	}	1065	}
795	}	1066	};
		1067
		1068	undef $guard;
796	}	1069	}
797		1070
798	sub object_freezer_as_string {	1071	sub object_freezer_as_string {
799	my ($rdata, $objs) = @_;	1072	my ($rdata, $objs) = @_;
800		1073
…		…
805		1078
806	sub object_thawer_load {	1079	sub object_thawer_load {
807	my ($filename) = @_;	1080	my ($filename) = @_;
808		1081
809	my ($data, $av);	1082	my ($data, $av);
		1083
		1084	my $guard = cf::lock_acquire "io";
810		1085
811	(aio_load $filename, $data) >= 0	1086	(aio_load $filename, $data) >= 0
812	or return;	1087	or return;
813		1088
814	unless (aio_stat "$filename.pst") {	1089	unless (aio_stat "$filename.pst") {
815	(aio_load "$filename.pst", $av) >= 0	1090	(aio_load "$filename.pst", $av) >= 0
816	or return;	1091	or return;
		1092
		1093	undef $guard;
817	$av = eval { (Storable::thaw $av)->{objs} };	1094	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1095	}
819		1096
		1097	utf8::decode (my $decname = $filename);
820	warn sprintf "loading %s (%d)\n",	1098	warn sprintf "loading %s (%d,%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1099	$decname, length $data, scalar @{$av || []};
		1100
822	return ($data, $av);	1101	($data, $av)
823	}	1102	}
		1103
		1104	=head2 COMMAND CALLBACKS
		1105
		1106	=over 4
		1107
		1108	=cut
824		1109
825	#############################################################################	1110	#############################################################################
826	# command handling &c	1111	# command handling &c
827		1112
828	=item cf::register_command $name => \&callback($ob,$args);	1113	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1126	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1127	}
843		1128
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1129	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1130
846	Register a callbackf ro execution when the client sends an extcmd packet.	1131	Register a callback for execution when the client sends an (synchronous)
		1132	extcmd packet. Ext commands will be processed in the order they are
		1133	received by the server, like other user commands. The first argument is
		1134	the logged-in player. Ext commands can only be processed after a player
		1135	has logged in successfully.
847		1136
848	If the callback returns something, it is sent back as if reply was being	1137	If the callback returns something, it is sent back as if reply was being
849	called.	1138	called.
850		1139
		1140	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1141
		1142	Register a callback for execution when the client sends an (asynchronous)
		1143	exticmd packet. Exti commands are processed by the server as soon as they
		1144	are received, i.e. out of order w.r.t. other commands. The first argument
		1145	is a client socket. Exti commands can be received anytime, even before
		1146	log-in.
		1147
		1148	If the callback returns something, it is sent back as if reply was being
		1149	called.
		1150
851	=cut	1151	=cut
852		1152
853	sub register_extcmd {	1153	sub register_extcmd {
854	my ($name, $cb) = @_;	1154	my ($name, $cb) = @_;
855		1155
856	$EXTCMD{$name} = $cb;	1156	$EXTCMD{$name} = $cb;
		1157	}
		1158
		1159	sub register_exticmd {
		1160	my ($name, $cb) = @_;
		1161
		1162	$EXTICMD{$name} = $cb;
857	}	1163	}
858		1164
859	cf::player->attach (	1165	cf::player->attach (
860	on_command => sub {	1166	on_command => sub {
861	my ($pl, $name, $params) = @_;	1167	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1176	cf::override;
871	},	1177	},
872	on_extcmd => sub {	1178	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1179	my ($pl, $buf) = @_;
874		1180
875	my $msg = eval { from_json $buf };	1181	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1182
877	if (ref $msg) {	1183	if (ref $msg) {
		1184	my ($type, $reply, @payload) =
		1185	"ARRAY" eq ref $msg
		1186	? @$msg
		1187	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1188
		1189	my @reply;
		1190
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1192	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1193	}
		1194
		1195	$pl->ext_reply ($reply, @reply)
		1196	if $reply;
		1197
883	} else {	1198	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1199	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1200	}
886		1201
887	cf::override;	1202	cf::override;
888	},	1203	},
889	);	1204	);
890		1205
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1206	sub load_extensions {
		1207	cf::sync_job {
		1208	my %todo;
		1209
926	for my $ext (<$LIBDIR/*.ext>) {	1210	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1211	next unless -r $path;
928	eval {	1212
929	load_extension $ext;	1213	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1214	my $base = $1;
		1215	my $pkg = $1;
		1216	$pkg =~ s/[^[:word:]]/_/g;
		1217	$pkg = "ext::$pkg";
		1218
		1219	open my $fh, "<:utf8", $path
		1220	or die "$path: $!";
		1221
		1222	my $source = do { local $/; <$fh> };
		1223
		1224	my %ext = (
		1225	path => $path,
		1226	base => $base,
		1227	pkg => $pkg,
		1228	);
		1229
		1230	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1231	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1232
		1233	$ext{source} =
		1234	"package $pkg; use strict; use utf8;\n"
		1235	. "#line 1 \"$path\"\n{\n"
		1236	. $source
		1237	. "\n};\n1";
		1238
		1239	$todo{$base} = \%ext;
		1240	}
		1241
		1242	my %done;
		1243	while (%todo) {
		1244	my $progress;
		1245
		1246	while (my ($k, $v) = each %todo) {
		1247	for (split /,\s*/, $v->{meta}{depends}) {
		1248	goto skip
		1249	unless exists $done{$_};
		1250	}
		1251
		1252	warn "... loading '$k' into '$v->{pkg}'\n";
		1253
		1254	unless (eval $v->{source}) {
		1255	my $msg = $@ ? "$v->{path}: $@\n"
		1256	: "$v->{base}: extension inactive.\n";
		1257
		1258	if (exists $v->{meta}{mandatory}) {
		1259	warn $msg;
		1260	warn "mandatory extension failed to load, exiting.\n";
		1261	exit 1;
		1262	}
		1263
		1264	warn $msg;
		1265	}
		1266
		1267	$done{$k} = delete $todo{$k};
		1268	push @EXTS, $v->{pkg};
		1269	$progress = 1;
930	1	1270	}
931	} or warn "$ext not loaded: $@";	1271
		1272	skip:
		1273	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1274	unless $progress;
		1275	}
932	}	1276	};
933	}	1277	}
934		1278
935	#############################################################################	1279	#############################################################################
936		1280
		1281	=back
		1282
937	=head2 CORE EXTENSIONS	1283	=head2 CORE EXTENSIONS
938		1284
939	Functions and methods that extend core crossfire objects.	1285	Functions and methods that extend core crossfire objects.
940		1286
941	=cut	1287	=cut
…		…
946		1292
947	=head3 cf::player	1293	=head3 cf::player
948		1294
949	=over 4	1295	=over 4
950		1296
		1297	=item cf::player::num_playing
		1298
		1299	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1300
		1301	=cut
		1302
		1303	sub num_playing {
		1304	scalar grep
		1305	$_->ob->map
		1306	&& !$_->hidden
		1307	&& !$_->ob->flag (cf::FLAG_WIZ),
		1308	cf::player::list
		1309	}
		1310
951	=item cf::player::find $login	1311	=item cf::player::find $login
952		1312
953	Returns the given player object, loading it if necessary (might block).	1313	Returns the given player object, loading it if necessary (might block).
954		1314
955	=cut	1315	=cut
956		1316
957	sub playerdir($) {	1317	sub playerdir($) {
958	cf::localdir	1318	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1319	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1320	}
964		1321
965	sub path($) {	1322	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1323	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1324
968	(playerdir $login) . "/$login.pl"	1325	(playerdir $login) . "/playerdata"
969	}	1326	}
970		1327
971	sub find_active($) {	1328	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1329	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1330	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1343	my $login = $_[0];
987		1344
988	my $guard = cf::lock_acquire "user_find:$login";	1345	my $guard = cf::lock_acquire "user_find:$login";
989		1346
990	$cf::PLAYER{$_[0]} || do {	1347	$cf::PLAYER{$_[0]} || do {
991	my $pl = load_pl path $login	1348	# rename old playerfiles to new ones
		1349	#TODO: remove when no longer required
		1350	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1351	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1352	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1353	aio_unlink +(playerdir $login) . "/$login.pl";
		1354
		1355	my $f = new_from_file cf::object::thawer path $login
992	or return;	1356	or return;
		1357
		1358	my $pl = cf::player::load_pl $f
		1359	or return;
		1360	local $cf::PLAYER_LOADING{$login} = $pl;
		1361	$f->resolve_delayed_derefs;
993	$cf::PLAYER{$login} = $pl	1362	$cf::PLAYER{$login} = $pl
994	}	1363	}
995	}	1364	}
996	}	1365	}
997		1366
…		…
1007		1376
1008	aio_mkdir playerdir $pl, 0770;	1377	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1378	$pl->{last_save} = $cf::RUNTIME;
1010		1379
1011	$pl->save_pl ($path);	1380	$pl->save_pl ($path);
1012	Coro::cede;	1381	cf::cede_to_tick;
1013	}	1382	}
1014		1383
1015	sub new($) {	1384	sub new($) {
1016	my ($login) = @_;	1385	my ($login) = @_;
1017		1386
…		…
1021	$self->{deny_save} = 1;	1390	$self->{deny_save} = 1;
1022		1391
1023	$cf::PLAYER{$login} = $self;	1392	$cf::PLAYER{$login} = $self;
1024		1393
1025	$self	1394	$self
		1395	}
		1396
		1397	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1398
		1399	=cut
		1400
		1401	sub send_msg {
		1402	my $ns = shift->ns
		1403	or return;
		1404	$ns->send_msg (@_);
1026	}	1405	}
1027		1406
1028	=item $pl->quit_character	1407	=item $pl->quit_character
1029		1408
1030	Nukes the player without looking back. If logged in, the connection will	1409	Nukes the player without looking back. If logged in, the connection will
…		…
1079	while and may block, so not sync_job-capable, ever.	1458	while and may block, so not sync_job-capable, ever.
1080		1459
1081	=cut	1460	=cut
1082		1461
1083	sub list_logins {	1462	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1463	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1464	or return [];
1086		1465
1087	my @logins;	1466	my @logins;
1088		1467
1089	for my $login (@$dirs) {	1468	for my $login (@$dirs) {
		1469	my $path = path $login;
		1470
		1471	# a .pst is a dead give-away for a valid player
		1472	unless (-e "$path.pst") {
1090	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1473	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1091	aio_read $fh, 0, 512, my $buf, 0 or next;	1474	aio_read $fh, 0, 512, my $buf, 0 or next;
1092	$buf !~ /^password -------------$/m or next; # official not-valid tag	1475	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1476	}
1093		1477
1094	utf8::decode $login;	1478	utf8::decode $login;
1095	push @logins, $login;	1479	push @logins, $login;
1096	}	1480	}
1097		1481
…		…
1124	}	1508	}
1125		1509
1126	\@paths	1510	\@paths
1127	}	1511	}
1128		1512
		1513	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1514
		1515	Expand crossfire pod fragments into protocol xml.
		1516
		1517	=cut
		1518
		1519	sub expand_cfpod {
		1520	((my $self), (local $_)) = @_;
		1521
		1522	# escape & and <
		1523	s/&/&amp;/g;
		1524	s/(?<![BIUGHT])</&lt;/g;
		1525
		1526	# this is buggy, it needs to properly take care of nested <'s
		1527
		1528	1 while
		1529	# replace B<>, I<>, U<> etc.
		1530	s/B<([^\>]*)>/<b>$1<\/b>/
		1531	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1532	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1533	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1534	# replace G<male|female> tags
		1535	|| s{G<([^>|]*)\|([^>]*)>}{
		1536	$self->gender ? $2 : $1
		1537	}ge
		1538	# replace H<hint text>
		1539	|| s{H<([^\>]*)>}
		1540	{
		1541	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1542	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1543	"")
		1544	[$self->{hintmode}]
		1545	}ge;
		1546
		1547	# create single paragraphs (very hackish)
		1548	s/(?<=\S)\n(?=\w)/ /g;
		1549
		1550	# compress some whitespace
		1551	s/\s+\n/\n/g; # ws line-ends
		1552	s/\n\n+/\n/g; # double lines
		1553	s/^\n+//; # beginning lines
		1554	s/\n+$//; # ending lines
		1555
		1556	$_
		1557	}
		1558
		1559	sub hintmode {
		1560	$_[0]{hintmode} = $_[1] if @_ > 1;
		1561	$_[0]{hintmode}
		1562	}
		1563
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1564	=item $player->ext_reply ($msgid, @msg)
1130		1565
1131	Sends an ext reply to the player.	1566	Sends an ext reply to the player.
1132		1567
1133	=cut	1568	=cut
1134		1569
1135	sub ext_reply($$$%) {	1570	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1571	my ($self, $id, @msg) = @_;
1137		1572
1138	$msg{msgid} = $id;	1573	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1574	}
1142		1575
1143	package cf;	1576	=item $player->ext_msg ($type, @msg)
		1577
		1578	Sends an ext event to the client.
		1579
		1580	=cut
		1581
		1582	sub ext_msg($$@) {
		1583	my ($self, $type, @msg) = @_;
		1584
		1585	$self->ns->ext_msg ($type, @msg);
		1586	}
		1587
		1588	=head3 cf::region
		1589
		1590	=over 4
		1591
		1592	=cut
		1593
		1594	package cf::region;
		1595
		1596	=item cf::region::find_by_path $path
		1597
		1598	Tries to decuce the likely region for a map knowing only its path.
		1599
		1600	=cut
		1601
		1602	sub find_by_path($) {
		1603	my ($path) = @_;
		1604
		1605	my ($match, $specificity);
		1606
		1607	for my $region (list) {
		1608	if ($region->{match} && $path =~ $region->{match}) {
		1609	($match, $specificity) = ($region, $region->specificity)
		1610	if $region->specificity > $specificity;
		1611	}
		1612	}
		1613
		1614	$match
		1615	}
1144		1616
1145	=back	1617	=back
1146
1147		1618
1148	=head3 cf::map	1619	=head3 cf::map
1149		1620
1150	=over 4	1621	=over 4
1151		1622
…		…
1206	my ($self, $merge) = @_;	1677	my ($self, $merge) = @_;
1207		1678
1208	# we have to keep some variables in memory intact	1679	# we have to keep some variables in memory intact
1209	local $self->{path};	1680	local $self->{path};
1210	local $self->{load_path};	1681	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1682
1214	$self->SUPER::thawer_merge ($merge);	1683	$self->SUPER::thawer_merge ($merge);
1215	}	1684	}
1216		1685
1217	sub normalise {	1686	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1733	$self->init; # pass $1 etc.
1265	return $self;	1734	return $self;
1266	}	1735	}
1267	}	1736	}
1268		1737
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1738	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1739	()
1271	}	1740	}
1272		1741
1273	sub init {	1742	sub init {
1274	my ($self) = @_;	1743	my ($self) = @_;
…		…
1289		1758
1290	# the original (read-only) location	1759	# the original (read-only) location
1291	sub load_path {	1760	sub load_path {
1292	my ($self) = @_;	1761	my ($self) = @_;
1293		1762
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1763	"$MAPDIR/$self->{path}.map"
1295	}	1764	}
1296		1765
1297	# the temporary/swap location	1766	# the temporary/swap location
1298	sub save_path {	1767	sub save_path {
1299	my ($self) = @_;	1768	my ($self) = @_;
1300		1769
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1770	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1771	"$TMPDIR/$path.map"
1303	}	1772	}
1304		1773
1305	# the unique path, undef == no special unique path	1774	# the unique path, undef == no special unique path
1306	sub uniq_path {	1775	sub uniq_path {
1307	my ($self) = @_;	1776	my ($self) = @_;
1308		1777
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1778	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1779	"$UNIQUEDIR/$path"
1311	}	1780	}
1312		1781
1313	# and all this just because we cannot iterate over	1782	# and all this just because we cannot iterate over
1314	# all maps in C++...	1783	# all maps in C++...
1315	sub change_all_map_light {	1784	sub change_all_map_light {
…		…
1317		1786
1318	$_->change_map_light ($change)	1787	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1788	for grep $_->outdoor, values %cf::MAP;
1320	}	1789	}
1321		1790
		1791	sub decay_objects {
		1792	my ($self) = @_;
		1793
		1794	return if $self->{deny_reset};
		1795
		1796	$self->do_decay_objects;
		1797	}
		1798
1322	sub unlink_save {	1799	sub unlink_save {
1323	my ($self) = @_;	1800	my ($self) = @_;
1324		1801
1325	utf8::encode (my $save = $self->save_path);	1802	utf8::encode (my $save = $self->save_path);
1326	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1803	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1329		1806
1330	sub load_header_from($) {	1807	sub load_header_from($) {
1331	my ($self, $path) = @_;	1808	my ($self, $path) = @_;
1332		1809
1333	utf8::encode $path;	1810	utf8::encode $path;
1334	#aio_open $path, O_RDONLY, 0	1811	my $f = new_from_file cf::object::thawer $path
1335	# or return;
1336
1337	$self->_load_header ($path)
1338	or return;	1812	or return;
		1813
		1814	$self->_load_header ($f)
		1815	or return;
		1816
		1817	local $MAP_LOADING{$self->{path}} = $self;
		1818	$f->resolve_delayed_derefs;
1339		1819
1340	$self->{load_path} = $path;	1820	$self->{load_path} = $path;
1341		1821
1342	1	1822	1
1343	}	1823	}
…		…
1382	$self->load_header_orig	1862	$self->load_header_orig
1383	or return;	1863	or return;
1384	$self->prepare_orig;	1864	$self->prepare_orig;
1385	}	1865	}
1386		1866
		1867	$self->{deny_reset} = 1
		1868	if $self->no_reset;
		1869
		1870	$self->default_region (cf::region::find_by_path $self->{path})
		1871	unless $self->default_region;
		1872
1387	1	1873	1
1388	}	1874	}
1389		1875
1390	sub find;	1876	sub find;
1391	sub find {	1877	sub find {
1392	my ($path, $origin) = @_;	1878	my ($path, $origin) = @_;
1393		1879
1394	$path = normalise $path, $origin && $origin->path;	1880	$path = normalise $path, $origin && $origin->path;
1395		1881
		1882	cf::lock_wait "map_data:$path";#d#remove
1396	cf::lock_wait "map_find:$path";	1883	cf::lock_wait "map_find:$path";
1397		1884
1398	$cf::MAP{$path} || do {	1885	$cf::MAP{$path} || do {
1399	my $guard = cf::lock_acquire "map_find:$path";	1886	my $guard1 = cf::lock_acquire "map_find:$path";
		1887	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1888
1400	my $map = new_from_path cf::map $path	1889	my $map = new_from_path cf::map $path
1401	or return;	1890	or return;
1402		1891
1403	$map->{last_save} = $cf::RUNTIME;	1892	$map->{last_save} = $cf::RUNTIME;
1404		1893
1405	$map->load_header	1894	$map->load_header
1406	or return;	1895	or return;
1407		1896
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1897	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1898	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1899	#$cf::WAIT_FOR_TICK->wait;
		1900	undef $guard1;
		1901	undef $guard2;
1411	$map->reset;	1902	$map->reset;
1412	undef $guard;
1413	return find $path;	1903	return find $path;
1414	}	1904	}
1415		1905
1416	$cf::MAP{$path} = $map	1906	$cf::MAP{$path} = $map
1417	}	1907	}
…		…
1424	my ($self) = @_;	1914	my ($self) = @_;
1425		1915
1426	local $self->{deny_reset} = 1; # loading can take a long time	1916	local $self->{deny_reset} = 1; # loading can take a long time
1427		1917
1428	my $path = $self->{path};	1918	my $path = $self->{path};
		1919
		1920	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1921	my $guard = cf::lock_acquire "map_data:$path";
1430		1922
		1923	return unless $self->valid;
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1924	return unless $self->in_memory == cf::MAP_SWAPPED;
1432		1925
1433	$self->in_memory (cf::MAP_LOADING);	1926	$self->in_memory (cf::MAP_LOADING);
1434		1927
1435	$self->alloc;	1928	$self->alloc;
1436		1929
1437	$self->pre_load;	1930	$self->pre_load;
		1931	cf::cede_to_tick;
1438		1932
1439	$self->_load_objects ($self->{load_path}, 1)	1933	my $f = new_from_file cf::object::thawer $self->{load_path};
		1934	$f->skip_block;
		1935	$self->_load_objects ($f)
1440	or return;	1936	or return;
1441		1937
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1938	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1939	if delete $self->{load_original};
1444		1940
1445	if (my $uniq = $self->uniq_path) {	1941	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1942	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1943	unless (aio_stat $uniq) {
		1944	if (my $f = new_from_file cf::object::thawer $uniq) {
1448	$self->clear_unique_items;	1945	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1946	$self->_load_objects ($f);
		1947	$f->resolve_delayed_derefs;
		1948	}
1450	}	1949	}
1451	}	1950	}
1452		1951
1453	Coro::cede;	1952	$f->resolve_delayed_derefs;
1454		1953
		1954	cf::cede_to_tick;
1455	# now do the right thing for maps	1955	# now do the right thing for maps
1456	$self->link_multipart_objects;	1956	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1957	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1958	unless $self->difficulty;
1466	Coro::cede;	1959	cf::cede_to_tick;
		1960
		1961	unless ($self->{deny_activate}) {
		1962	$self->decay_objects;
		1963	$self->fix_auto_apply;
		1964	$self->update_buttons;
		1965	cf::cede_to_tick;
		1966	$self->set_darkness_map;
		1967	cf::cede_to_tick;
1467	$self->activate;	1968	$self->activate;
		1969	}
		1970
		1971	$self->{last_save} = $cf::RUNTIME;
		1972	$self->last_access ($cf::RUNTIME);
		1973
		1974	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1975	}
1469		1976
1470	$self->post_load;	1977	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1978	}
1474		1979
1475	sub customise_for {	1980	sub customise_for {
1476	my ($self, $ob) = @_;	1981	my ($self, $ob) = @_;
1477		1982
1478	return find "~" . $ob->name . "/" . $self->{path}	1983	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1984	if $self->per_player;
1480		1985
		1986	# return find "?party/" . $ob->name . "/" . $self->{path}
		1987	# if $self->per_party;
		1988
1481	$self	1989	$self
1482	}	1990	}
1483		1991
1484	# find and load all maps in the 3x3 area around a map	1992	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1993	sub load_neighbours {
1486	my ($map) = @_;	1994	my ($map) = @_;
1487		1995
1488	my @diag; # diagonal neighbours	1996	my @neigh; # diagonal neighbours
1489		1997
1490	for (0 .. 3) {	1998	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1999	my $neigh = $map->tile_path ($_)
1492	or next;	2000	or next;
1493	$neigh = find $neigh, $map	2001	$neigh = find $neigh, $map
1494	or next;	2002	or next;
1495	$neigh->load;	2003	$neigh->load;
1496		2004
		2005	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2006	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2007	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	2008	}
1500		2009
1501	for (@diag) {	2010	for (grep defined $_->[0], @neigh) {
		2011	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	2012	my $neigh = find $path, $origin
1503	or next;	2013	or next;
1504	$neigh->load;	2014	$neigh->load;
1505	}	2015	}
1506	}	2016	}
1507		2017
…		…
1512	}	2022	}
1513		2023
1514	sub do_load_sync {	2024	sub do_load_sync {
1515	my ($map) = @_;	2025	my ($map) = @_;
1516		2026
		2027	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2028	if $Coro::current == $Coro::main;
		2029
1517	cf::sync_job { $map->load };	2030	cf::sync_job { $map->load };
1518	}	2031	}
1519		2032
1520	our %MAP_PREFETCH;	2033	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	2034	our $MAP_PREFETCHER = undef;
1522		2035
1523	sub find_async {	2036	sub find_async {
1524	my ($path, $origin) = @_;	2037	my ($path, $origin, $load) = @_;
1525		2038
1526	$path = normalise $path, $origin && $origin->{path};	2039	$path = normalise $path, $origin && $origin->{path};
1527		2040
1528	if (my $map = $cf::MAP{$path}) {	2041	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2042	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	2043	}
1531		2044
1532	undef $MAP_PREFETCH{$path};	2045	$MAP_PREFETCH{$path} |= $load;
		2046
1533	$MAP_PREFETCHER ||= cf::async {	2047	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	2048	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	2049	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	2050	if (my $map = find $k) {
1537	or next;
1538	$map->load;	2051	$map->load if $v;
		2052	}
1539		2053
1540	delete $MAP_PREFETCH{$path};	2054	delete $MAP_PREFETCH{$k};
1541	}	2055	}
1542	}	2056	}
1543	undef $MAP_PREFETCHER;	2057	undef $MAP_PREFETCHER;
1544	};	2058	};
1545	$MAP_PREFETCHER->prio (6);	2059	$MAP_PREFETCHER->prio (6);
…		…
1548	}	2062	}
1549		2063
1550	sub save {	2064	sub save {
1551	my ($self) = @_;	2065	my ($self) = @_;
1552		2066
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	2067	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		2068
1555	$self->{last_save} = $cf::RUNTIME;	2069	$self->{last_save} = $cf::RUNTIME;
1556		2070
1557	return unless $self->dirty;	2071	return unless $self->dirty;
1558		2072
…		…
1581	my ($self) = @_;	2095	my ($self) = @_;
1582		2096
1583	# save first because save cedes	2097	# save first because save cedes
1584	$self->save;	2098	$self->save;
1585		2099
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2100	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2101
1588	return if $self->players;	2102	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2103	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2104	return if $self->{deny_save};
1591		2105
		2106	$self->in_memory (cf::MAP_SWAPPED);
		2107
		2108	$self->deactivate;
		2109	$_->clear_links_to ($self) for values %cf::MAP;
1592	$self->clear;	2110	$self->clear;
1593	$self->in_memory (cf::MAP_SWAPPED);
1594	}	2111	}
1595		2112
1596	sub reset_at {	2113	sub reset_at {
1597	my ($self) = @_;	2114	my ($self) = @_;
1598		2115
1599	# TODO: safety, remove and allow resettable per-player maps	2116	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2117	return 1e99 if $self->{deny_reset};
1602		2118
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2119	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2120	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2121
…		…
1616	my ($self) = @_;	2132	my ($self) = @_;
1617		2133
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2134	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2135
1620	return if $self->players;	2136	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2137
1623	warn "resetting map ", $self->path;#d#	2138	warn "resetting map ", $self->path;
1624		2139
1625	$self->in_memory (cf::MAP_SWAPPED);	2140	$self->in_memory (cf::MAP_SWAPPED);
1626		2141
1627	# need to save uniques path	2142	# need to save uniques path
1628	unless ($self->{deny_save}) {	2143	unless ($self->{deny_save}) {
…		…
1632	if $uniq;	2147	if $uniq;
1633	}	2148	}
1634		2149
1635	delete $cf::MAP{$self->path};	2150	delete $cf::MAP{$self->path};
1636		2151
		2152	$self->deactivate;
		2153	$_->clear_links_to ($self) for values %cf::MAP;
1637	$self->clear;	2154	$self->clear;
1638
1639	$_->clear_links_to ($self) for values %cf::MAP;
1640		2155
1641	$self->unlink_save;	2156	$self->unlink_save;
1642	$self->destroy;	2157	$self->destroy;
1643	}	2158	}
1644		2159
1645	my $nuke_counter = "aaaa";	2160	my $nuke_counter = "aaaa";
1646		2161
1647	sub nuke {	2162	sub nuke {
1648	my ($self) = @_;	2163	my ($self) = @_;
1649		2164
		2165	{
		2166	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2167
1650	delete $cf::MAP{$self->path};	2168	delete $cf::MAP{$self->path};
1651		2169
1652	$self->unlink_save;	2170	$self->unlink_save;
1653		2171
1654	bless $self, "cf::map";	2172	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2173	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2174	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2175	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2176	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2177
1660	$cf::MAP{$self->path} = $self;	2178	$cf::MAP{$self->path} = $self;
		2179	}
1661		2180
1662	$self->reset; # polite request, might not happen	2181	$self->reset; # polite request, might not happen
		2182	}
		2183
		2184	=item $maps = cf::map::tmp_maps
		2185
		2186	Returns an arrayref with all map paths of currently instantiated and saved
		2187	maps. May block.
		2188
		2189	=cut
		2190
		2191	sub tmp_maps() {
		2192	[
		2193	map {
		2194	utf8::decode $_;
		2195	/\.map$/
		2196	? normalise $_
		2197	: ()
		2198	} @{ aio_readdir $TMPDIR or [] }
		2199	]
		2200	}
		2201
		2202	=item $maps = cf::map::random_maps
		2203
		2204	Returns an arrayref with all map paths of currently instantiated and saved
		2205	random maps. May block.
		2206
		2207	=cut
		2208
		2209	sub random_maps() {
		2210	[
		2211	map {
		2212	utf8::decode $_;
		2213	/\.map$/
		2214	? normalise "?random/$_"
		2215	: ()
		2216	} @{ aio_readdir $RANDOMDIR or [] }
		2217	]
1663	}	2218	}
1664		2219
1665	=item cf::map::unique_maps	2220	=item cf::map::unique_maps
1666		2221
1667	Returns an arrayref of paths of all shared maps that have	2222	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2223	instantiated unique items. May block.
1669		2224
1670	=cut	2225	=cut
1671		2226
1672	sub unique_maps() {	2227	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2228	[
1674	or return;	2229	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2230	utf8::decode $_;
1680	next if /\.pst$/;	2231	/\.map$/
1681	next unless /^$PATH_SEP/o;	2232	? normalise $_
1682		2233	: ()
1683	push @paths, cf::map::normalise $_;	2234	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2235	]
1685
1686	\@paths
1687	}	2236	}
1688		2237
1689	package cf;	2238	package cf;
1690		2239
1691	=back	2240	=back
…		…
1709	map { $_, inv_recursive_ $_->inv } @_	2258	map { $_, inv_recursive_ $_->inv } @_
1710	}	2259	}
1711		2260
1712	sub inv_recursive {	2261	sub inv_recursive {
1713	inv_recursive_ inv $_[0]	2262	inv_recursive_ inv $_[0]
		2263	}
		2264
		2265	=item $ref = $ob->ref
		2266
		2267	creates and returns a persistent reference to an objetc that can be stored as a string.
		2268
		2269	=item $ob = cf::object::deref ($refstring)
		2270
		2271	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2272	even if the object actually exists. May block.
		2273
		2274	=cut
		2275
		2276	sub deref {
		2277	my ($ref) = @_;
		2278
		2279	# temporary compatibility#TODO#remove
		2280	$ref =~ s{^<}{player/<};
		2281
		2282	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2283	my ($uuid, $name) = ($1, $2);
		2284	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2285	or return;
		2286	$pl->ob->uuid eq $uuid
		2287	or return;
		2288
		2289	$pl->ob
		2290	} else {
		2291	warn "$ref: cannot resolve object reference\n";
		2292	undef
		2293	}
1714	}	2294	}
1715		2295
1716	package cf;	2296	package cf;
1717		2297
1718	=back	2298	=back
…		…
1737		2317
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2318	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2319
1740	if ($self->{record_replies}) {	2320	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2321	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2322
1742	} else {	2323	} else {
		2324	my $pl = $self->contr;
		2325
		2326	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2327	my $dialog = $pl->{npc_dialog};
		2328	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2329
		2330	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2331	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2332	$self->message ($msg, $flags);
		2333	}
1745	}	2334	}
		2335	}
		2336
		2337	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2338
		2339	=cut
		2340
		2341	sub cf::object::send_msg {
		2342	my $pl = shift->contr
		2343	or return;
		2344	$pl->send_msg (@_);
1746	}	2345	}
1747		2346
1748	=item $player_object->may ("access")	2347	=item $player_object->may ("access")
1749		2348
1750	Returns wether the given player is authorized to access resource "access"	2349	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2396	$self->deactivate_recursive;
1798		2397
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2398	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2399
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2400	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2401	if $self->map && $self->map->{path} ne "{link}";
1803		2402
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2403	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2404	}
1806		2405
1807	sub cf::object::player::leave_link {	2406	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2407	my ($self, $map, $x, $y) = @_;
		2408
		2409	return unless $self->contr->active;
1809		2410
1810	my $link_pos = delete $self->{_link_pos};	2411	my $link_pos = delete $self->{_link_pos};
1811		2412
1812	unless ($map) {	2413	unless ($map) {
1813	# restore original map position	2414	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2428	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2429	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2430	if $x <=0 && $y <= 0;
1830		2431
1831	$map->load;	2432	$map->load;
1832	$map->load_diag;	2433	$map->load_neighbours;
1833		2434
1834	return unless $self->contr->active;	2435	return unless $self->contr->active;
1835	$self->activate_recursive;	2436	$self->activate_recursive;
1836		2437
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2438	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2439	$self->enter_map ($map, $x, $y);
1839	}	2440	}
1840		2441
1841	cf::player->attach (	2442	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2443
1845	# abort map switching before logout	2444	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2445	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2446	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2447	the new (success) or old (failed) map position. In either case, $done will
1849	};	2448	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2449
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2450	=cut
		2451
		2452	our $GOTOGEN;
1876		2453
1877	sub cf::object::player::goto {	2454	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2455	my ($self, $path, $x, $y, $check, $done) = @_;
		2456
		2457	# do generation counting so two concurrent goto's will be executed in-order
		2458	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2459
1880	$self->enter_link;	2460	$self->enter_link;
1881		2461
1882	(async {	2462	(async {
		2463	# *tag paths override both path and x|y
		2464	if ($path =~ /^\*(.*)$/) {
		2465	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2466	my $ob = $obs[rand @obs];
		2467
		2468	# see if we actually can go there
		2469	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2470	$ob = $obs[rand @obs];
		2471	} else {
		2472	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2473	}
		2474	# else put us there anyways for now #d#
		2475
		2476	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2477	} else {
		2478	($path, $x, $y) = (undef, undef, undef);
		2479	}
		2480	}
		2481
1883	my $map = eval {	2482	my $map = eval {
1884	my $map = cf::map::find $path;	2483	my $map = defined $path ? cf::map::find $path : undef;
		2484
		2485	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2486	$map = $map->customise_for ($self);
		2487	$map = $check->($map) if $check && $map;
		2488	} else {
		2489	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2490	}
		2491
1886	$map	2492	$map
		2493	};
		2494
		2495	if ($@) {
		2496	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2497	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2498	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2499
		2500	if ($gen == $self->{_goto_generation}) {
		2501	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2502	$self->leave_link ($map, $x, $y);
		2503	}
		2504
		2505	$done->() if $done;
1891	})->prio (1);	2506	})->prio (1);
1892	}	2507	}
1893		2508
1894	=item $player_object->enter_exit ($exit_object)	2509	=item $player_object->enter_exit ($exit_object)
1895		2510
…		…
1934		2549
1935	$rmp->{random_seed} ||= $exit->random_seed;	2550	$rmp->{random_seed} ||= $exit->random_seed;
1936		2551
1937	my $data = cf::to_json $rmp;	2552	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2553	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2554	my $meta = "$RANDOMDIR/$md5.meta";
1940		2555
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2556	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2557	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2558	undef $fh;
1944	aio_rename "$meta~", $meta;	2559	aio_rename "$meta~", $meta;
…		…
1953		2568
1954	return unless $self->type == cf::PLAYER;	2569	return unless $self->type == cf::PLAYER;
1955		2570
1956	if ($exit->slaying eq "/!") {	2571	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2572	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2573	# the problem is that $exit might not survive long enough
		2574	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2575	cf::sync_job { prepare_random_map $exit };
1959	}	2576	}
1960		2577
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2578	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2579	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2580	my $sp = $exit->stats->sp;
1964		2581
1965	$self->enter_link;	2582	$self->enter_link;
		2583
		2584	# if exit is damned, update players death & WoR home-position
		2585	$self->contr->savebed ($slaying, $hp, $sp)
		2586	if $exit->flag (FLAG_DAMNED);
1966		2587
1967	(async {	2588	(async {
1968	$self->deactivate_recursive; # just to be sure	2589	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2590	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2591	$self->goto ($slaying, $hp, $sp);
1971		2592
1972	1;	2593	1;
1973	}) {	2594	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2595	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2596	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2597	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2598	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2599
1979	warn "ERROR in enter_exit: $@";	2600	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2601	$self->leave_link;
1981	}	2602	}
1982	})->prio (1);	2603	})->prio (1);
…		…
1995		2616
1996	sub cf::client::send_drawinfo {	2617	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2618	my ($self, $text, $flags) = @_;
1998		2619
1999	utf8::encode $text;	2620	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2621	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2622	}
2002		2623
		2624	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2625
		2626	Send a drawinfo or msg packet to the client, formatting the msg for the
		2627	client if neccessary. C<$type> should be a string identifying the type of
		2628	the message, with C<log> being the default. If C<$color> is negative, suppress
		2629	the message unless the client supports the msg packet.
		2630
		2631	=cut
		2632
		2633	our %CHANNEL = (
		2634	"c/identify" => {
		2635	id => "identify",
		2636	title => "Identify",
		2637	reply => undef,
		2638	tooltip => "Items recently identified",
		2639	},
		2640	"c/examine" => {
		2641	id => "examine",
		2642	title => "Examine",
		2643	reply => undef,
		2644	tooltip => "Signs and other items you examined",
		2645	},
		2646	);
		2647
		2648	sub cf::client::send_msg {
		2649	my ($self, $channel, $msg, $color, @extra) = @_;
		2650
		2651	$msg = $self->pl->expand_cfpod ($msg);
		2652
		2653	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2654
		2655	# check predefined channels, for the benefit of C
		2656	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2657
		2658	if (ref $channel) {
		2659	# send meta info to client, if not yet sent
		2660	unless (exists $self->{channel}{$channel->{id}}) {
		2661	$self->{channel}{$channel->{id}} = $channel;
		2662	$self->ext_msg (channel_info => $channel)
		2663	if $self->can_msg;
		2664	}
		2665
		2666	$channel = $channel->{id};
		2667	}
		2668
		2669	return unless @extra || length $msg;
		2670
		2671	if ($self->can_msg) {
		2672	# default colour, mask it out
		2673	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2674	if $color & cf::NDI_DEF;
		2675
		2676	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2677	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2678	} else {
		2679	if ($color >= 0) {
		2680	# replace some tags by gcfclient-compatible ones
		2681	for ($msg) {
		2682	1 while
		2683	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2684	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2685	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2686	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2687	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2688	}
		2689
		2690	$color &= cf::NDI_COLOR_MASK;
		2691
		2692	utf8::encode $msg;
		2693
		2694	if (0 && $msg =~ /\[/) {
		2695	# COMMAND/INFO
		2696	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2697	} else {
		2698	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2699	$self->send_packet ("drawinfo $color $msg")
		2700	}
		2701	}
		2702	}
		2703	}
		2704
		2705	=item $client->ext_msg ($type, @msg)
		2706
		2707	Sends an ext event to the client.
		2708
		2709	=cut
		2710
		2711	sub cf::client::ext_msg($$@) {
		2712	my ($self, $type, @msg) = @_;
		2713
		2714	if ($self->extcmd == 2) {
		2715	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2716	} elsif ($self->extcmd == 1) { # TODO: remove
		2717	push @msg, msgtype => "event_$type";
		2718	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2719	}
		2720	}
		2721
		2722	=item $client->ext_reply ($msgid, @msg)
		2723
		2724	Sends an ext reply to the client.
		2725
		2726	=cut
		2727
		2728	sub cf::client::ext_reply($$@) {
		2729	my ($self, $id, @msg) = @_;
		2730
		2731	if ($self->extcmd == 2) {
		2732	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2733	} elsif ($self->extcmd == 1) {
		2734	#TODO: version 1, remove
		2735	unshift @msg, msgtype => "reply", msgid => $id;
		2736	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2737	}
		2738	}
2003		2739
2004	=item $success = $client->query ($flags, "text", \&cb)	2740	=item $success = $client->query ($flags, "text", \&cb)
2005		2741
2006	Queues a query to the client, calling the given callback with	2742	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2743	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2744	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2745
2010	Queries can fail, so check the return code. Or don't, as queries will become	2746	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2747	become reliable at some point in the future.
2012		2748
2013	=cut	2749	=cut
2014		2750
2015	sub cf::client::query {	2751	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2752	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2760	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2761	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2762
2027	$self->send_packet ($self->{query_queue}[0][0])	2763	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2764	if @{ $self->{query_queue} } == 1;
		2765
		2766	1
2029	}	2767	}
2030		2768
2031	cf::client->attach (	2769	cf::client->attach (
		2770	on_connect => sub {
		2771	my ($ns) = @_;
		2772
		2773	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2774	},
2032	on_reply => sub {	2775	on_reply => sub {
2033	my ($ns, $msg) = @_;	2776	my ($ns, $msg) = @_;
2034		2777
2035	# this weird shuffling is so that direct followup queries	2778	# this weird shuffling is so that direct followup queries
2036	# get handled first	2779	# get handled first
…		…
2048	} else {	2791	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2792	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2793	}
2051	}	2794	}
2052	},	2795	},
		2796	on_exticmd => sub {
		2797	my ($ns, $buf) = @_;
		2798
		2799	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2800
		2801	if (ref $msg) {
		2802	my ($type, $reply, @payload) =
		2803	"ARRAY" eq ref $msg
		2804	? @$msg
		2805	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2806
		2807	my @reply;
		2808
		2809	if (my $cb = $EXTICMD{$type}) {
		2810	@reply = $cb->($ns, @payload);
		2811	}
		2812
		2813	$ns->ext_reply ($reply, @reply)
		2814	if $reply;
		2815
		2816	} else {
		2817	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2818	}
		2819
		2820	cf::override;
		2821	},
2053	);	2822	);
2054		2823
2055	=item $client->async (\&cb)	2824	=item $client->async (\&cb)
2056		2825
2057	Create a new coroutine, running the specified callback. The coroutine will	2826	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2867	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2868	our $safe_hole = new Safe::Hole;
2100		2869
2101	$SIG{FPE} = 'IGNORE';	2870	$SIG{FPE} = 'IGNORE';
2102		2871
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2872	$safe->permit_only (Opcode::opset qw(
		2873	:base_core :base_mem :base_orig :base_math
		2874	grepstart grepwhile mapstart mapwhile
		2875	sort time
		2876	));
2104		2877
2105	# here we export the classes and methods available to script code	2878	# here we export the classes and methods available to script code
2106		2879
2107	=pod	2880	=pod
2108		2881
2109	The following fucntions and emthods are available within a safe environment:	2882	The following functions and methods are available within a safe environment:
2110		2883
2111	cf::object contr pay_amount pay_player map	2884	cf::object
		2885	contr pay_amount pay_player map x y force_find force_add
		2886	insert remove name archname title slaying race decrease_ob_nr
		2887
2112	cf::object::player player	2888	cf::object::player
2113	cf::player peaceful	2889	player
2114	cf::map trigger	2890
		2891	cf::player
		2892	peaceful
		2893
		2894	cf::map
		2895	trigger
2115		2896
2116	=cut	2897	=cut
2117		2898
2118	for (	2899	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2900	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2901	insert remove inv name archname title slaying race
		2902	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2903	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2904	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2905	["cf::map" => qw(trigger)],
2123	) {	2906	) {
2124	no strict 'refs';	2907	no strict 'refs';
…		…
2195	=back	2978	=back
2196		2979
2197	=cut	2980	=cut
2198		2981
2199	#############################################################################	2982	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2983	# the server's init and main functions
2273		2984
2274	sub load_faces {	2985	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2986	my ($path) = @_;
2276		2987
		2988	# HACK to clear player env face cache, we need some signal framework
		2989	# for this (global event?)
		2990	%ext::player_env::MUSIC_FACE_CACHE = ();
		2991
		2992	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2993
2277	warn "loading faces from $path\n";	2994	warn "loading facedata from $path\n";
2278		2995
2279	my $faces;	2996	my $facedata;
2280	0 < aio_load $path, $faces	2997	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2998	or die "$path: $!";
2282		2999
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	3000	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		3001
		3002	$facedata->{version} == 2
		3003	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3004
		3005	# patch in the exptable
		3006	$facedata->{resource}{"res/exp_table"} = {
		3007	type => FT_RSRC,
		3008	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3009	};
		3010	cf::cede_to_tick;
		3011
		3012	{
		3013	my $faces = $facedata->{faceinfo};
		3014
2287	while (my ($face, $info) = each %$faces) {	3015	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3016	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3017	cf::face::set_visibility $idx, $info->{visibility};
		3018	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3019	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	3020	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3021
		3022	cf::cede_to_tick;
		3023	}
		3024
		3025	while (my ($face, $info) = each %$faces) {
		3026	next unless $info->{smooth};
		3027	my $idx = cf::face::find $face
		3028	or next;
		3029	if (my $smooth = cf::face::find $info->{smooth}) {
		3030	cf::face::set_smooth $idx, $smooth;
		3031	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3032	} else {
		3033	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3034	}
		3035
		3036	cf::cede_to_tick;
		3037	}
		3038	}
		3039
		3040	{
		3041	my $anims = $facedata->{animinfo};
		3042
		3043	while (my ($anim, $info) = each %$anims) {
		3044	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3045	cf::cede_to_tick;
		3046	}
		3047
		3048	cf::anim::invalidate_all; # d'oh
		3049	}
		3050
		3051	{
		3052	# TODO: for gcfclient pleasure, we should give resources
		3053	# that gcfclient doesn't grok a >10000 face index.
		3054	my $res = $facedata->{resource};
		3055
		3056	my $soundconf = delete $res->{"res/sound.conf"};
		3057
		3058	while (my ($name, $info) = each %$res) {
		3059	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3060	my $data;
		3061
		3062	if ($info->{type} & 1) {
		3063	# prepend meta info
		3064
		3065	my $meta = $enc->encode ({
		3066	name => $name,
		3067	%{ $info->{meta} || {} },
		3068	});
		3069
		3070	$data = pack "(w/a*)*", $meta, $info->{data};
		3071	} else {
		3072	$data = $info->{data};
		3073	}
		3074
		3075	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3076	cf::face::set_type $idx, $info->{type};
		3077
		3078	cf::cede_to_tick;
		3079	}
		3080
		3081	if ($soundconf) {
		3082	$soundconf = $enc->decode (delete $soundconf->{data});
		3083
		3084	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3085	my $sound = $soundconf->{compat}[$_]
		3086	or next;
		3087
		3088	my $face = cf::face::find "sound/$sound->[1]";
		3089	cf::sound::set $sound->[0] => $face;
		3090	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3091	}
		3092
		3093	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3094	my $face = cf::face::find "sound/$v";
		3095	cf::sound::set $k => $face;
		3096	}
		3097	}
2292	}	3098	}
2293		3099
2294	1	3100	1
2295	}	3101	}
2296		3102
		3103	register_exticmd fx_want => sub {
		3104	my ($ns, $want) = @_;
		3105
		3106	while (my ($k, $v) = each %$want) {
		3107	$ns->fx_want ($k, $v);
		3108	}
		3109	};
		3110
		3111	sub reload_regions {
		3112	# HACK to clear player env face cache, we need some signal framework
		3113	# for this (global event?)
		3114	%ext::player_env::MUSIC_FACE_CACHE = ();
		3115
		3116	load_resource_file "$MAPDIR/regions"
		3117	or die "unable to load regions file\n";
		3118
		3119	for (cf::region::list) {
		3120	$_->{match} = qr/$_->{match}/
		3121	if exists $_->{match};
		3122	}
		3123	}
		3124
		3125	sub reload_facedata {
		3126	load_facedata "$DATADIR/facedata"
		3127	or die "unable to load facedata\n";
		3128	}
		3129
		3130	sub reload_archetypes {
		3131	load_resource_file "$DATADIR/archetypes"
		3132	or die "unable to load archetypes\n";
		3133	#d# NEED to laod twice to resolve forward references
		3134	# this really needs to be done in an extra post-pass
		3135	# (which needs to be synchronous, so solve it differently)
		3136	load_resource_file "$DATADIR/archetypes"
		3137	or die "unable to load archetypes\n";
		3138	}
		3139
		3140	sub reload_treasures {
		3141	load_resource_file "$DATADIR/treasures"
		3142	or die "unable to load treasurelists\n";
		3143	}
		3144
2297	sub reload_resources {	3145	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3146	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3147
		3148	reload_regions;
2300	load_faces	3149	reload_facedata;
2301	or die "unable to load faces\n";#d#	3150	#reload_archetypes;#d#
		3151	reload_archetypes;
		3152	reload_treasures;
		3153
		3154	warn "finished reloading resource files\n";
2302	}	3155	}
2303		3156
2304	sub init {	3157	sub init {
2305	reload_resources;	3158	reload_resources;
2306	}	3159	}
2307		3160
2308	sub cfg_load {	3161	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3162	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3163	or return;
2311		3164
2312	local $/;	3165	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3166	*CFG = YAML::Syck::Load <$fh>;
2314		3167
…		…
2333	(async {	3186	(async {
2334	Event::one_event;	3187	Event::one_event;
2335	})->prio (Coro::PRIO_MAX);	3188	})->prio (Coro::PRIO_MAX);
2336	};	3189	};
2337		3190
2338	cfg_load;	3191	reload_config;
2339	db_init;	3192	db_init;
2340	load_extensions;	3193	load_extensions;
2341		3194
2342	$TICK_WATCHER->start;	3195	$TICK_WATCHER->start;
2343	Event::loop;	3196	Event::loop;
…		…
2359	},	3212	},
2360	);	3213	);
2361	}	3214	}
2362	}	3215	}
2363		3216
		3217	sub write_runtime {
		3218	my $runtime = "$LOCALDIR/runtime";
		3219
		3220	# first touch the runtime file to show we are still running:
		3221	# the fsync below can take a very very long time.
		3222
		3223	IO::AIO::aio_utime $runtime, undef, undef;
		3224
		3225	my $guard = cf::lock_acquire "write_runtime";
		3226
		3227	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3228	or return;
		3229
		3230	my $value = $cf::RUNTIME + 90 + 10;
		3231	# 10 is the runtime save interval, for a monotonic clock
		3232	# 60 allows for the watchdog to kill the server.
		3233
		3234	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3235	and return;
		3236
		3237	# always fsync - this file is important
		3238	aio_fsync $fh
		3239	and return;
		3240
		3241	# touch it again to show we are up-to-date
		3242	aio_utime $fh, undef, undef;
		3243
		3244	close $fh
		3245	or return;
		3246
		3247	aio_rename "$runtime~", $runtime
		3248	and return;
		3249
		3250	warn "runtime file written.\n";
		3251
		3252	1
		3253	}
		3254
2364	sub emergency_save() {	3255	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3256	my $freeze_guard = cf::freeze_mainloop;
2366		3257
2367	warn "enter emergency perl save\n";	3258	warn "enter emergency perl save\n";
2368		3259
…		…
2399		3290
2400	warn Carp::longmess "post_cleanup backtrace"	3291	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3292	if $make_core;
2402	}	3293	}
2403		3294
2404	sub reload() {	3295	sub do_reload_perl() {
2405	# can/must only be called in main	3296	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3297	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3298	warn "can only reload from main coroutine";
2408	return;	3299	return;
2409	}	3300	}
…		…
2443	%EXT_CORO = ();	3334	%EXT_CORO = ();
2444		3335
2445	warn "removing commands";	3336	warn "removing commands";
2446	%COMMAND = ();	3337	%COMMAND = ();
2447		3338
2448	warn "removing ext commands";	3339	warn "removing ext/exti commands";
2449	%EXTCMD = ();	3340	%EXTCMD = ();
		3341	%EXTICMD = ();
2450		3342
2451	warn "unloading/nuking all extensions";	3343	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3344	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3345	warn "... unloading $pkg";
2454		3346
…		…
2484	Symbol::delete_package "safe::$_"	3376	Symbol::delete_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3378
2487	warn "unloading cf.pm \"a bit\"";	3379	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3380	delete $INC{"cf.pm"};
		3381	delete $INC{"cf/pod.pm"};
2489		3382
2490	# don't, removes xs symbols, too,	3383	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3384	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3385	#Symbol::delete_package __PACKAGE__;
2493		3386
…		…
2496	warn "reloading cf.pm";	3389	warn "reloading cf.pm";
2497	require cf;	3390	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3391	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3392
2500	warn "loading config and database again";	3393	warn "loading config and database again";
2501	cf::cfg_load;	3394	cf::reload_config;
2502		3395
2503	warn "loading extensions";	3396	warn "loading extensions";
2504	cf::load_extensions;	3397	cf::load_extensions;
2505		3398
2506	warn "reattaching attachments to objects/players";	3399	warn "reattaching attachments to objects/players";
…		…
2508	warn "reattaching attachments to maps";	3401	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3402	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3403	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3404	reattach $_ for values %PLAYER;
2512		3405
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3406	warn "leaving sync_job";
2517		3407
2518	1	3408	1
2519	} or do {	3409	} or do {
2520	warn $@;	3410	warn $@;
…		…
2525	warn "reloaded";	3415	warn "reloaded";
2526	};	3416	};
2527		3417
2528	our $RELOAD_WATCHER; # used only during reload	3418	our $RELOAD_WATCHER; # used only during reload
2529		3419
		3420	sub reload_perl() {
		3421	# doing reload synchronously and two reloads happen back-to-back,
		3422	# coro crashes during coro_state_free->destroy here.
		3423
		3424	$RELOAD_WATCHER ||= Event->timer (
		3425	reentrant => 0,
		3426	after => 0,
		3427	data => WF_AUTOCANCEL,
		3428	cb => sub {
		3429	do_reload_perl;
		3430	undef $RELOAD_WATCHER;
		3431	},
		3432	);
		3433	}
		3434
2530	register_command "reload" => sub {	3435	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3436	my ($who, $arg) = @_;
2532		3437
2533	if ($who->flag (FLAG_WIZ)) {	3438	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3439	$who->message ("reloading server.");
2535		3440	async { reload_perl };
2536	# doing reload synchronously and two reloads happen back-to-back,
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);
2548	}	3441	}
2549	};	3442	};
2550		3443
2551	unshift @INC, $LIBDIR;	3444	unshift @INC, $LIBDIR;
2552		3445
2553	my $bug_warning = 0;	3446	my $bug_warning = 0;
		3447
		3448	our @WAIT_FOR_TICK;
		3449	our @WAIT_FOR_TICK_BEGIN;
		3450
		3451	sub wait_for_tick {
		3452	return unless $TICK_WATCHER->is_active;
		3453	return if $Coro::current == $Coro::main;
		3454
		3455	my $signal = new Coro::Signal;
		3456	push @WAIT_FOR_TICK, $signal;
		3457	$signal->wait;
		3458	}
		3459
		3460	sub wait_for_tick_begin {
		3461	return unless $TICK_WATCHER->is_active;
		3462	return if $Coro::current == $Coro::main;
		3463
		3464	my $signal = new Coro::Signal;
		3465	push @WAIT_FOR_TICK_BEGIN, $signal;
		3466	$signal->wait;
		3467	}
2554		3468
2555	$TICK_WATCHER = Event->timer (	3469	$TICK_WATCHER = Event->timer (
2556	reentrant => 0,	3470	reentrant => 0,
2557	parked => 1,	3471	parked => 1,
2558	prio => 0,	3472	prio => 0,
…		…
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3477	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3478	unless ++$bug_warning > 10;
2565	return;	3479	return;
2566	}	3480	}
2567		3481
2568	$NOW = Event::time;	3482	$NOW = $tick_start = Event::time;
2569		3483
2570	cf::server_tick; # one server iteration	3484	cf::server_tick; # one server iteration
		3485
2571	$RUNTIME += $TICK;	3486	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;	3487	$NEXT_TICK += $TICK;
2573		3488
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3489	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3490	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2577	write_runtime	3492	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	3493	or warn "ERROR: unable to write runtime file: $!";
2579	};	3494	};
2580	}	3495	}
2581		3496
2582	$WAIT_FOR_TICK->broadcast;	3497	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3498	$sig->send;
		3499	}
		3500	while (my $sig = shift @WAIT_FOR_TICK) {
		3501	$sig->send;
		3502	}
2584		3503
2585	# my $AFTER = Event::time;	3504	$NOW = Event::time;
2586	# warn $AFTER - $NOW;#d#
2587		3505
2588	# if we are delayed by four ticks or more, skip them all	3506	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3507	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2590		3508
2591	$TICK_WATCHER->at ($NEXT_TICK);	3509	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;	3510	$TICK_WATCHER->start;
		3511
		3512	$LOAD = ($NOW - $tick_start) / $TICK;
		3513	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3514
		3515	_post_tick;
2593	},	3516	},
2594	);	3517	);
2595		3518
2596	{	3519	{
		3520	BDB::min_parallel 8;
2597	BDB::max_poll_time $TICK * 0.1;	3521	BDB::max_poll_time $TICK * 0.1;
2598	$BDB_POLL_WATCHER = Event->io (	3522	$BDB_POLL_WATCHER = Event->io (
2599	reentrant => 0,	3523	reentrant => 0,
2600	fd => BDB::poll_fileno,	3524	fd => BDB::poll_fileno,
2601	poll => 'r',	3525	poll => 'r',
2602	prio => 0,	3526	prio => 0,
2603	data => WF_AUTOCANCEL,	3527	data => WF_AUTOCANCEL,
2604	cb => \&BDB::poll_cb,	3528	cb => \&BDB::poll_cb,
2605	);	3529	);
2606	BDB::min_parallel 8;
2607		3530
2608	BDB::set_sync_prepare {	3531	BDB::set_sync_prepare {
2609	my $status;	3532	my $status;
2610	my $current = $Coro::current;	3533	my $current = $Coro::current;
2611	(	3534	(
…		…
2620	)	3543	)
2621	};	3544	};
2622		3545
2623	unless ($DB_ENV) {	3546	unless ($DB_ENV) {
2624	$DB_ENV = BDB::db_env_create;	3547	$DB_ENV = BDB::db_env_create;
		3548	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3549	| BDB::LOG_AUTOREMOVE, 1);
		3550	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3551	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2625		3552
2626	cf::sync_job {	3553	cf::sync_job {
2627	eval {	3554	eval {
2628	BDB::db_env_open	3555	BDB::db_env_open
2629	$DB_ENV,	3556	$DB_ENV,
2630	$BDB_ENV_DIR,	3557	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3558	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3559	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3560	0666;
2634		3561
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3562	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;
2639	};	3563	};
2640		3564
2641	cf::cleanup "db_env_open(db): $@" if $@;	3565	cf::cleanup "db_env_open(db): $@" if $@;
2642	};	3566	};
2643	}	3567	}
		3568
		3569	$BDB_DEADLOCK_WATCHER = Event->timer (
		3570	after => 3,
		3571	interval => 1,
		3572	hard => 1,
		3573	prio => 0,
		3574	data => WF_AUTOCANCEL,
		3575	cb => sub {
		3576	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3577	},
		3578	);
		3579	$BDB_CHECKPOINT_WATCHER = Event->timer (
		3580	after => 11,
		3581	interval => 60,
		3582	hard => 1,
		3583	prio => 0,
		3584	data => WF_AUTOCANCEL,
		3585	cb => sub {
		3586	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3587	},
		3588	);
		3589	$BDB_TRICKLE_WATCHER = Event->timer (
		3590	after => 5,
		3591	interval => 10,
		3592	hard => 1,
		3593	prio => 0,
		3594	data => WF_AUTOCANCEL,
		3595	cb => sub {
		3596	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3597	},
		3598	);
2644	}	3599	}
2645		3600
2646	{	3601	{
2647	IO::AIO::min_parallel 8;	3602	IO::AIO::min_parallel 8;
2648		3603
…		…
2656	prio => 6,	3611	prio => 6,
2657	cb => \&IO::AIO::poll_cb,	3612	cb => \&IO::AIO::poll_cb,
2658	);	3613	);
2659	}	3614	}
2660		3615
		3616	my $_log_backtrace;
		3617
		3618	sub _log_backtrace {
		3619	my ($msg, @addr) = @_;
		3620
		3621	$msg =~ s/\n//;
		3622
		3623	# limit the # of concurrent backtraces
		3624	if ($_log_backtrace < 2) {
		3625	++$_log_backtrace;
		3626	async {
		3627	my @bt = fork_call {
		3628	@addr = map { sprintf "%x", $_ } @addr;
		3629	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3630	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3631	or die "addr2line: $!";
		3632
		3633	my @funcs;
		3634	my @res = <$fh>;
		3635	chomp for @res;
		3636	while (@res) {
		3637	my ($func, $line) = splice @res, 0, 2, ();
		3638	push @funcs, "[$func] $line";
		3639	}
		3640
		3641	@funcs
		3642	};
		3643
		3644	LOG llevInfo, "[ABT] $msg\n";
		3645	LOG llevInfo, "[ABT] $_\n" for @bt;
		3646	--$_log_backtrace;
		3647	};
		3648	} else {
		3649	LOG llevInfo, "[ABT] $msg\n";
		3650	LOG llevInfo, "[ABT] [suppressed]\n";
		3651	}
		3652	}
		3653
		3654	# load additional modules
		3655	use cf::pod;
		3656
2661	END { cf::emergency_save }	3657	END { cf::emergency_save }
2662		3658
2663	1	3659	1
2664		3660

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