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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.226 by root, Wed Mar 14 04:12:29 2007 UTC vs.
Revision 1.315 by root, Mon Jul 23 17:53:55 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 3.61 ();
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;
21		24
		25	use JSON::XS 1.4 ();
22	use BDB ();	26	use BDB ();
23	use Data::Dumper;	27	use Data::Dumper;
24	use Digest::MD5;	28	use Digest::MD5;
25	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
26	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	32	use Time::HiRes;
29	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
30		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	39	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	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		41
33	$Event::Eval = 1; # no idea why this is required, but it is	42	$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		43
37	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
38	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
39		46
40	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
41		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
42	our %COMMAND = ();	51	our %COMMAND = ();
43	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
44		53
45	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
49		59
50	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
51	our @EVENT;	61	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		62
54	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
55	our $TICK_WATCHER;	76	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	79	our $NEXT_TICK;
59	our $NOW;	80	our $NOW;
…		…
68	our $RUNTIME;	89	our $RUNTIME;
69		90
70	our %PLAYER; # all users	91	our %PLAYER; # all users
71	our %MAP; # all maps	92	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	93	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		94
79	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
82	binmode STDOUT;	102	binmode STDOUT;
83	binmode STDERR;	103	binmode STDERR;
84		104
85	# read virtual server time, if available	105	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
90	}	110	}
91		111
92	mkdir cf::localdir;	112	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	113	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		114
99	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
100		116
101	sub cf::map::normalise;	117	sub cf::map::normalise;
102		118
…		…
113	=item $cf::RUNTIME	129	=item $cf::RUNTIME
114		130
115	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
116	every server tick.	132	every server tick.
117		133
118	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
119		137
120	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
121	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
122		142
123	=item $cf::NOW	143	=item $cf::NOW
124		144
125	The time of the last (current) server tick.	145	The time of the last (current) server tick.
126		146
127	=item $cf::TICK	147	=item $cf::TICK
128		148
129	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
130		160
131	=item %cf::CFG	161	=item %cf::CFG
132		162
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	164	from wherever your confdir points to.
135		165
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		167
138	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	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	169	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	170	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.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
142		177
143	=back	178	=back
144		179
145	=cut	180	=cut
146		181
147	BEGIN {	182	BEGIN {
148	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	184	my $msg = join "", @_;
150	utf8::encode $msg;
151		185
152	$msg .= "\n"	186	$msg .= "\n"
153	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
154		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
155	LOG llevError, $msg;	192	LOG llevError, $msg;
156	};	193	};
157	}	194	}
158		195
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
164	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
165		203
166	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
167	# within the Safe compartment.	205	# within the Safe compartment.
168	for my $pkg (qw(	206	for my $pkg (qw(
169	cf::global cf::attachable	207	cf::global cf::attachable
…		…
177	}	215	}
178		216
179	$Event::DIED = sub {	217	$Event::DIED = sub {
180	warn "error in event callback: @_";	218	warn "error in event callback: @_";
181	};	219	};
		220
		221	#############################################################################
182		222
183	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
184		224
185	=over 4	225	=over 4
186		226
…		…
205	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
206	$d	246	$d
207	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
208	}	248	}
209		249
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
213		251
214	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
215		253
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
224		255
225	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
226		257
227	=cut	258	=cut
228		259
229	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
231	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
233		264
234	=item cf::lock_wait $string	265	=item cf::lock_wait $string
235		266
236	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
237		268
…		…
243	returned.	274	returned.
244		275
245	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
246	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
247		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
248	=cut	283	=cut
249		284
250	our %LOCK;	285	our %LOCK;
251		286
252	sub lock_wait($) {	287	sub lock_wait($) {
…		…
269		304
270	Coro::guard {	305	Coro::guard {
271	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
273	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
274	}	315	}
275		316
276	sub freeze_mainloop {	317	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
278		319
…		…
281	};	322	};
282	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
283	$guard	324	$guard
284	}	325	}
285		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
286	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
287		384
288	Currently the same as Coro::async_pool, meaning you cannot use	385	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	386	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.	387	thing you are allowed to do is call C<prio> on it.
…		…
293		390
294	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
295		392
296	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
297		394
298	The design of crossfire+ requires that the main coro ($Coro::main) is	395	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	396	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.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
301		399
302	If it must be done, put the blocking parts into C<sync_job>. This will run	400	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	401	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	402	server will be frozen during this time, so the block should either finish
305	fast or be very important.	403	fast or be very important.
…		…
308		406
309	sub sync_job(&) {	407	sub sync_job(&) {
310	my ($job) = @_;	408	my ($job) = @_;
311		409
312	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
313	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
315		415
316	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
328		428
329	while ($busy) {	429	while ($busy) {
330	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
331	}	431	}
332		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
333	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
334	} else {	441	} else {
335	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
336		443
337	$job->()	444	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
357		464
358	$coro	465	$coro
359	}	466	}
360		467
361	sub write_runtime {	468	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		469
364	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
365		474
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
367	or return;
368		476
369	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
370	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
371	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
372		480	Storable::store_fd $_[0], $fh;
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0
374	and return;
375
376	# always fsync - this file is important
377	aio_fsync $fh
378	and return;
379
380	close $fh	481	close $fh;
381	or return;
382		482
383	aio_rename "$runtime~", $runtime	483	$buf
384	and return;	484	}
385		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
386	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
387	}	655	}
388		656
389	=back	657	=back
390		658
391	=cut	659	=cut
…		…
398	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
399	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
400		668
401	In the following description, CLASS can be any of C<global>, C<object>	669	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	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
403	crossfire+).	671	Crossfire TRT).
404		672
405	=over 4	673	=over 4
406		674
407	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
408		676
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
572		840
573	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		845
578	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	847	my $pkg = shift @arg;
580		848
581	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
611	}	879	}
612		880
613	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
614	} else {	882	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	884	}
617		885
618	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
619	}	887	}
620		888
…		…
622	if (ref $_[0]) {	890	if (ref $_[0]) {
623	_object_attach @_;	891	_object_attach @_;
624	} else {	892	} else {
625	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
626	}	894	}
		895	_recalc_want;
627	};	896	};
628		897
629	# all those should be optimised	898	# all those should be optimised
630	sub cf::attachable::detach {	899	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
635	reattach ($obj);	904	reattach ($obj);
636	} else {	905	} else {
637	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
638	}	907	}
		908	_recalc_want;
639	};	909	};
640		910
641	sub cf::attachable::attached {	911	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
643		913
…		…
658	";	928	";
659	die if $@;	929	die if $@;
660	}	930	}
661		931
662	our $override;	932	our $override;
663	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
664		934
665	sub override {	935	sub override {
666	$override = 1;	936	$override = 1;
667	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
668	}	938	}
669		939
670	sub do_invoke {	940	sub do_invoke {
671	my $event = shift;	941	my $event = shift;
672	my $callbacks = shift;	942	my $callbacks = shift;
673		943
674	@invoke_results = ();	944	@INVOKE_RESULTS = ();
675		945
676	local $override;	946	local $override;
677		947
678	for (@$callbacks) {	948	for (@$callbacks) {
679	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
696		966
697	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
698		968
699	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
700	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
701	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		972
703	=back	973	=back
704		974
705	=cut	975	=cut
706		976
707	#############################################################################	977	#############################################################################
708	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
709		990
710	sub reattach {	991	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	993	my ($obj) = @_;
713		994
…		…
816	or return;	1097	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1099	}
819		1100
820	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1103	return ($data, $av);
823	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
824		1111
825	#############################################################################	1112	#############################################################################
826	# command handling &c	1113	# command handling &c
827		1114
828	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1129	}
843		1130
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1132
846	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
847		1138
848	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
849	called.	1140	called.
850		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
851	=cut	1153	=cut
852		1154
853	sub register_extcmd {	1155	sub register_extcmd {
854	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
855		1157
856	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
857	}	1165	}
858		1166
859	cf::player->attach (	1167	cf::player->attach (
860	on_command => sub {	1168	on_command => sub {
861	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1178	cf::override;
871	},	1179	},
872	on_extcmd => sub {	1180	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
874		1182
875	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1184
877	if (ref $msg) {	1185	if (ref $msg) {
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
879	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
880	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
886		1194
887	cf::override;	1195	cf::override;
888	},	1196	},
889	);	1197	);
890		1198
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 {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
926	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1204	next unless -r $path;
928	eval {	1205
929	load_extension $ext;	1206	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1207	my $base = $1;
		1208	my $pkg = $1;
		1209	$pkg =~ s/[^[:word:]]/_/g;
		1210	$pkg = "ext::$pkg";
		1211
		1212	open my $fh, "<:utf8", $path
		1213	or die "$path: $!";
		1214
		1215	my $source = do { local $/; <$fh> };
		1216
		1217	my %ext = (
		1218	path => $path,
		1219	base => $base,
		1220	pkg => $pkg,
		1221	);
		1222
		1223	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1224	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1225
		1226	$ext{source} =
		1227	"package $pkg; use strict; use utf8;\n"
		1228	. "#line 1 \"$path\"\n{\n"
		1229	. $source
		1230	. "\n};\n1";
		1231
		1232	$todo{$base} = \%ext;
		1233	}
		1234
		1235	my %done;
		1236	while (%todo) {
		1237	my $progress;
		1238
		1239	while (my ($k, $v) = each %todo) {
		1240	for (split /,\s*/, $v->{meta}{depends}) {
		1241	goto skip
		1242	unless exists $done{$_};
		1243	}
		1244
		1245	warn "... loading '$k' into '$v->{pkg}'\n";
		1246
		1247	unless (eval $v->{source}) {
		1248	my $msg = $@ ? "$v->{path}: $@\n"
		1249	: "$v->{base}: extension inactive.\n";
		1250
		1251	if (exists $v->{meta}{mandatory}) {
		1252	warn $msg;
		1253	warn "mandatory extension failed to load, exiting.\n";
		1254	exit 1;
		1255	}
		1256
		1257	warn $msg;
		1258	}
		1259
		1260	$done{$k} = delete $todo{$k};
		1261	push @EXTS, $v->{pkg};
		1262	$progress = 1;
930	1	1263	}
931	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
932	}	1269	};
933	}	1270	}
934		1271
935	#############################################################################	1272	#############################################################################
936		1273
		1274	=back
		1275
937	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
938		1277
939	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
940		1279
941	=cut	1280	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
954		1293
955	=cut	1294	=cut
956		1295
957	sub playerdir($) {	1296	sub playerdir($) {
958	cf::localdir	1297	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1299	}
964		1300
965	sub path($) {	1301	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1303
968	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
969	}	1305	}
970		1306
971	sub find_active($) {	1307	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1322	my $login = $_[0];
987		1323
988	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
989		1325
990	$cf::PLAYER{$_[0]} || do {	1326	$cf::PLAYER{$_[0]} || do {
		1327	# rename old playerfiles to new ones
		1328	#TODO: remove when no longer required
		1329	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1330	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1331	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1332	aio_unlink +(playerdir $login) . "/$login.pl";
		1333
991	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
992	or return;	1335	or return;
993	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
994	}	1337	}
995	}	1338	}
…		…
1079	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1080		1423
1081	=cut	1424	=cut
1082		1425
1083	sub list_logins {	1426	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1428	or return [];
1086		1429
1087	my @logins;	1430	my @logins;
1088		1431
1089	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1124	}	1467	}
1125		1468
1126	\@paths	1469	\@paths
1127	}	1470	}
1128		1471
		1472	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1473
		1474	Expand crossfire pod fragments into protocol xml.
		1475
		1476	=cut
		1477
		1478	sub expand_cfpod {
		1479	((my $self), (local $_)) = @_;
		1480
		1481	# escape & and <
		1482	s/&/&amp;/g;
		1483	s/(?<![BIUGH])</&lt;/g;
		1484
		1485	# this is buggy, it needs to properly take care of nested <'s
		1486
		1487	1 while
		1488	# replace B<>, I<>, U<> etc.
		1489	s/B<([^\>]*)>/<b>$1<\/b>/
		1490	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1491	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1492	# replace G<male|female> tags
		1493	|| s{G<([^>|]*)\|([^>]*)>}{
		1494	$self->gender ? $2 : $1
		1495	}ge
		1496	# replace H<hint text>
		1497	|| s{H<([^\>]*)>}
		1498	{
		1499	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1500	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1501	"")
		1502	[$self->{hintmode}]
		1503	}ge;
		1504
		1505	# create single paragraphs (very hackish)
		1506	s/(?<=\S)\n(?=\w)/ /g;
		1507
		1508	# compress some whitespace
		1509	s/\s+\n/\n/g; # ws line-ends
		1510	s/\n\n+/\n/g; # double lines
		1511	s/^\n+//; # beginning lines
		1512	s/\n+$//; # ending lines
		1513
		1514	$_
		1515	}
		1516
		1517	sub hintmode {
		1518	$_[0]{hintmode} = $_[1] if @_ > 1;
		1519	$_[0]{hintmode}
		1520	}
		1521
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1130		1523
1131	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1132		1525
1133	=cut	1526	=cut
1134		1527
1135	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1136	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1137		1530
1138	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1139		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1533	}
1142		1534
1143	package cf;	1535	=item $player->ext_event ($type, %msg)
		1536
		1537	Sends an ext event to the client.
		1538
		1539	=cut
		1540
		1541	sub ext_event($$%) {
		1542	my ($self, $type, %msg) = @_;
		1543
		1544	$self->ns->ext_event ($type, %msg);
		1545	}
		1546
		1547	=head3 cf::region
		1548
		1549	=over 4
		1550
		1551	=cut
		1552
		1553	package cf::region;
		1554
		1555	=item cf::region::find_by_path $path
		1556
		1557	Tries to decuce the likely region for a map knowing only its path.
		1558
		1559	=cut
		1560
		1561	sub find_by_path($) {
		1562	my ($path) = @_;
		1563
		1564	my ($match, $specificity);
		1565
		1566	for my $region (list) {
		1567	if ($region->{match} && $path =~ $region->{match}) {
		1568	($match, $specificity) = ($region, $region->specificity)
		1569	if $region->specificity > $specificity;
		1570	}
		1571	}
		1572
		1573	$match
		1574	}
1144		1575
1145	=back	1576	=back
1146
1147		1577
1148	=head3 cf::map	1578	=head3 cf::map
1149		1579
1150	=over 4	1580	=over 4
1151		1581
…		…
1206	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1207		1637
1208	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1209	local $self->{path};	1639	local $self->{path};
1210	local $self->{load_path};	1640	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1641
1214	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1215	}	1643	}
1216		1644
1217	sub normalise {	1645	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1265	return $self;	1693	return $self;
1266	}	1694	}
1267	}	1695	}
1268		1696
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1698	()
1271	}	1699	}
1272		1700
1273	sub init {	1701	sub init {
1274	my ($self) = @_;	1702	my ($self) = @_;
…		…
1289		1717
1290	# the original (read-only) location	1718	# the original (read-only) location
1291	sub load_path {	1719	sub load_path {
1292	my ($self) = @_;	1720	my ($self) = @_;
1293		1721
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1295	}	1723	}
1296		1724
1297	# the temporary/swap location	1725	# the temporary/swap location
1298	sub save_path {	1726	sub save_path {
1299	my ($self) = @_;	1727	my ($self) = @_;
1300		1728
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1303	}	1731	}
1304		1732
1305	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1306	sub uniq_path {	1734	sub uniq_path {
1307	my ($self) = @_;	1735	my ($self) = @_;
1308		1736
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1311	}	1739	}
1312		1740
1313	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1314	# all maps in C++...	1742	# all maps in C++...
1315	sub change_all_map_light {	1743	sub change_all_map_light {
1316	my ($change) = @_;	1744	my ($change) = @_;
1317		1745
1318	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1747	for grep $_->outdoor, values %cf::MAP;
		1748	}
		1749
		1750	sub decay_objects {
		1751	my ($self) = @_;
		1752
		1753	return if $self->{deny_reset};
		1754
		1755	$self->do_decay_objects;
1320	}	1756	}
1321		1757
1322	sub unlink_save {	1758	sub unlink_save {
1323	my ($self) = @_;	1759	my ($self) = @_;
1324		1760
…		…
1382	$self->load_header_orig	1818	$self->load_header_orig
1383	or return;	1819	or return;
1384	$self->prepare_orig;	1820	$self->prepare_orig;
1385	}	1821	}
1386		1822
		1823	$self->{deny_reset} = 1
		1824	if $self->no_reset;
		1825
		1826	$self->default_region (cf::region::find_by_path $self->{path})
		1827	unless $self->default_region;
		1828
1387	1	1829	1
1388	}	1830	}
1389		1831
1390	sub find;	1832	sub find;
1391	sub find {	1833	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1404		1846
1405	$map->load_header	1847	$map->load_header
1406	or return;	1848	or return;
1407		1849
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1853	$map->reset;
1412	undef $guard;	1854	undef $guard;
1413	return find $path;	1855	return find $path;
…		…
1424	my ($self) = @_;	1866	my ($self) = @_;
1425		1867
1426	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1427		1869
1428	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1429	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1430		1874
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1876
1433	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1434		1878
1435	$self->alloc;	1879	$self->alloc;
1436		1880
1437	$self->pre_load;	1881	$self->pre_load;
1438
1439	$self->_load_objects ($self->{load_path}, 1)
1440	or return;
1441
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};
1444
1445	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);
1450	}
1451	}
1452
1453	Coro::cede;
1454
1455	# now do the right thing for maps
1456	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;	1882	Coro::cede;
1463	$self->set_darkness_map;	1883
		1884	$self->_load_objects ($self->{load_path}, 1)
		1885	or return;
		1886
		1887	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1888	if delete $self->{load_original};
		1889
		1890	if (my $uniq = $self->uniq_path) {
		1891	utf8::encode $uniq;
		1892	if (aio_open $uniq, O_RDONLY, 0) {
		1893	$self->clear_unique_items;
		1894	$self->_load_objects ($uniq, 0);
		1895	}
		1896	}
		1897
		1898	Coro::cede;
		1899	# now do the right thing for maps
		1900	$self->link_multipart_objects;
1464	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1902	unless $self->difficulty;
1466	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($self->{deny_activate}) {
		1906	$self->decay_objects;
		1907	$self->fix_auto_apply;
		1908	$self->update_buttons;
		1909	Coro::cede;
		1910	$self->set_darkness_map;
		1911	Coro::cede;
1467	$self->activate;	1912	$self->activate;
		1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1916	}
1469		1917
1470	$self->post_load;	1918	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1919	}
1474		1920
1475	sub customise_for {	1921	sub customise_for {
1476	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1477		1923
1478	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1480		1929
1481	$self	1930	$self
1482	}	1931	}
1483		1932
1484	# find and load all maps in the 3x3 area around a map	1933	# find and load all maps in the 3x3 area around a map
…		…
1531		1980
1532	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1533	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1536	my $map = find $path	1985	if (my $map = find $path) {
1537	or next;
1538	$map->load;	1986	$map->load;
		1987	}
1539		1988
1540	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1541	}	1990	}
1542	}	1991	}
1543	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1595		2044
1596	sub reset_at {	2045	sub reset_at {
1597	my ($self) = @_;	2046	my ($self) = @_;
1598		2047
1599	# TODO: safety, remove and allow resettable per-player maps	2048	# 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};	2049	return 1e99 if $self->{deny_reset};
1602		2050
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2053
…		…
1616	my ($self) = @_;	2064	my ($self) = @_;
1617		2065
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2067
1620	return if $self->players;	2068	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2069
1623	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1624		2071
1625	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1626		2073
1627	# need to save uniques path	2074	# need to save uniques path
1628	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1660	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1661		2108
1662	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1663	}	2110	}
1664		2111
		2112	=item $maps = cf::map::tmp_maps
		2113
		2114	Returns an arrayref with all map paths of currently instantiated and saved
		2115	maps. May block.
		2116
		2117	=cut
		2118
		2119	sub tmp_maps() {
		2120	[
		2121	map {
		2122	utf8::decode $_;
		2123	/\.map$/
		2124	? normalise $_
		2125	: ()
		2126	} @{ aio_readdir $TMPDIR or [] }
		2127	]
		2128	}
		2129
		2130	=item $maps = cf::map::random_maps
		2131
		2132	Returns an arrayref with all map paths of currently instantiated and saved
		2133	random maps. May block.
		2134
		2135	=cut
		2136
		2137	sub random_maps() {
		2138	[
		2139	map {
		2140	utf8::decode $_;
		2141	/\.map$/
		2142	? normalise "?random/$_"
		2143	: ()
		2144	} @{ aio_readdir $RANDOMDIR or [] }
		2145	]
		2146	}
		2147
1665	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1666		2149
1667	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2151	instantiated unique items. May block.
1669		2152
1670	=cut	2153	=cut
1671		2154
1672	sub unique_maps() {	2155	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1674	or return;	2157	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2158	utf8::decode $_;
1680	next if /\.pst$/;	2159	/\.map$/
1681	next unless /^$PATH_SEP/o;	2160	? normalise $_
1682		2161	: ()
1683	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2163	]
1685
1686	\@paths
1687	}	2164	}
1688		2165
1689	package cf;	2166	package cf;
1690		2167
1691	=back	2168	=back
…		…
1737		2214
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2216
1740	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1742	} else {	2220	} else {
		2221	my $pl = $self->contr;
		2222
		2223	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2224	my $diag = $pl->{npc_dialog};
		2225	$diag->{pl}->ext_reply (
		2226	$diag->{id},
		2227	msgtype => "reply",
		2228	msg => $diag->{pl}->expand_cfpod ($msg),
		2229	add_topics => []
		2230	);
		2231
		2232	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1745	}	2236	}
1746	}	2237	}
1747		2238
1748	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1749		2240
…		…
1797	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1798		2289
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2291
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1803		2294
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2296	}
1806		2297
1807	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1809		2302
1810	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1811		2304
1812	unless ($map) {	2305	unless ($map) {
1813	# restore original map position	2306	# restore original map position
…		…
1836		2329
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1839	}	2332	}
1840		2333
1841	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2335
1845	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1849	};	2340	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2341
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	2342	=cut
		2343
		2344	our $GOTOGEN;
1876		2345
1877	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2347	my ($self, $path, $x, $y, $check, $done) = @_;
		2348
		2349	# do generation counting so two concurrent goto's will be executed in-order
		2350	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2351
1880	$self->enter_link;	2352	$self->enter_link;
1881		2353
1882	(async {	2354	(async {
1883	my $map = eval {	2355	my $map = eval {
1884	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2359	$map = $map->customise_for ($self);
		2360	$map = $check->($map) if $check && $map;
		2361	} else {
		2362	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2363	}
		2364
1886	$map	2365	$map
		2366	};
		2367
		2368	if ($@) {
		2369	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2370	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2371	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1891	})->prio (1);	2379	})->prio (1);
1892	}	2380	}
1893		2381
1894	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1895		2383
…		…
1934		2422
1935	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1936		2424
1937	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1940		2428
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2431	undef $fh;
1944	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
1953		2441
1954	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1955		2443
1956	if ($exit->slaying eq "/!") {	2444	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2445	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2446	# the problem is that $exit might not survive long enough
		2447	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2448	cf::sync_job { prepare_random_map $exit };
1959	}	2449	}
1960		2450
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2451	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
1964		2454
1965	$self->enter_link;	2455	$self->enter_link;
		2456
		2457	# if exit is damned, update players death & WoR home-position
		2458	$self->contr->savebed ($slaying, $hp, $sp)
		2459	if $exit->flag (FLAG_DAMNED);
1966		2460
1967	(async {	2461	(async {
1968	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2463	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
1971		2465
1972	1;	2466	1;
1973	}) {	2467	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2469	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2472
1979	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2474	$self->leave_link;
1981	}	2475	}
1982	})->prio (1);	2476	})->prio (1);
…		…
1998		2492
1999	utf8::encode $text;	2493	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2495	}
2002		2496
		2497	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2498
		2499	Send a drawinfo or msg packet to the client, formatting the msg for the
		2500	client if neccessary. C<$type> should be a string identifying the type of
		2501	the message, with C<log> being the default. If C<$color> is negative, suppress
		2502	the message unless the client supports the msg packet.
		2503
		2504	=cut
		2505
		2506	sub cf::client::send_msg {
		2507	my ($self, $channel, $msg, $color, @extra) = @_;
		2508
		2509	$msg = $self->pl->expand_cfpod ($msg);
		2510
		2511	$color &= ~cf::NDI_UNIQUE; # just in case...
		2512
		2513	if (ref $channel) {
		2514	# send meta info to client, if not yet sent
		2515	unless (exists $self->{channel}{$channel->{id}}) {
		2516	$self->{channel}{$channel->{id}} = $channel;
		2517	$self->ext_event (channel_info => %$channel);
		2518	}
		2519
		2520	$channel = $channel->{id};
		2521	}
		2522
		2523	return unless @extra || length $msg;
		2524
		2525	if ($self->can_msg) {
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2527	} else {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	if ($color >= 0) {
		2539	if (0 && $msg =~ /\[/) {
		2540	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2541	} else {
		2542	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2543	$self->send_packet ("drawinfo $color $msg")
		2544	}
		2545	}
		2546	}
		2547	}
		2548
		2549	=item $client->ext_event ($type, %msg)
		2550
		2551	Sends an ext event to the client.
		2552
		2553	=cut
		2554
		2555	sub cf::client::ext_event($$%) {
		2556	my ($self, $type, %msg) = @_;
		2557
		2558	return unless $self->extcmd;
		2559
		2560	$msg{msgtype} = "event_$type";
		2561	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2562	}
2003		2563
2004	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
2005		2565
2006	Queues a query to the client, calling the given callback with	2566	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>,	2567	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>.	2568	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2569
2010	Queries can fail, so check the return code. Or don't, as queries will become	2570	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2571	become reliable at some point in the future.
2012		2572
2013	=cut	2573	=cut
2014		2574
2015	sub cf::client::query {	2575	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2584	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2586
2027	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2029	}	2591	}
2030		2592
2031	cf::client->attach (	2593	cf::client->attach (
		2594	on_connect => sub {
		2595	my ($ns) = @_;
		2596
		2597	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2598	},
2032	on_reply => sub {	2599	on_reply => sub {
2033	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2034		2601
2035	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2036	# get handled first	2603	# get handled first
…		…
2048	} else {	2615	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2617	}
2051	}	2618	}
2052	},	2619	},
		2620	on_exticmd => sub {
		2621	my ($ns, $buf) = @_;
		2622
		2623	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2624
		2625	if (ref $msg) {
		2626	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2627	if (my %reply = $cb->($ns, $msg)) {
		2628	$reply{msgid} = $msg->{msgid};
		2629	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2630	}
		2631	}
		2632	} else {
		2633	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2634	}
		2635
		2636	cf::override;
		2637	},
2053	);	2638	);
2054		2639
2055	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2056		2641
2057	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2104		2689
2105	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2106		2691
2107	=pod	2692	=pod
2108		2693
2109	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2110		2695
2111	cf::object contr pay_amount pay_player map	2696	cf::object
		2697	contr pay_amount pay_player map x y force_find force_add
		2698	insert remove
		2699
2112	cf::object::player player	2700	cf::object::player
2113	cf::player peaceful	2701	player
2114	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2115		2708
2116	=cut	2709	=cut
2117		2710
2118	for (	2711	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2712	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2713	insert remove)],
2120	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2123	) {	2717	) {
2124	no strict 'refs';	2718	no strict 'refs';
…		…
2195	=back	2789	=back
2196		2790
2197	=cut	2791	=cut
2198		2792
2199	#############################################################################	2793	#############################################################################
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	2794	# the server's init and main functions
2273		2795
2274	sub load_faces {	2796	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2797	my ($path) = @_;
2276		2798
2277	warn "loading faces from $path\n";	2799	warn "loading facedata from $path\n";
2278		2800
2279	my $faces;	2801	my $facedata;
2280	0 < aio_load $path, $faces	2802	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2803	or die "$path: $!";
2282		2804
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2805	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2806
2287	my $meta = delete $faces->{""};
2288	$meta->{version} == 1	2807	$facedata->{version} == 2
2289	or cf::cleanup "$path: version mismatch, cannot proceed.";	2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
2290		2809
		2810	{
		2811	my $faces = $facedata->{faceinfo};
		2812
2291	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2292	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2293	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2294	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2295	Coro::cede;	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2296	}
2297		2819
		2820	cf::cede_to_tick;
		2821	}
		2822
2298	while (my ($face, $info) = each %$faces) {	2823	while (my ($face, $info) = each %$faces) {
2299	next unless $info->{smooth};	2824	next unless $info->{smooth};
2300	my $idx = cf::face::find $face	2825	my $idx = cf::face::find $face
2301	or next;	2826	or next;
2302	if (my $smooth = cf::face::find $info->{smooth}) {	2827	if (my $smooth = cf::face::find $info->{smooth}) {
2303	cf::face::set_smooth $idx, $smooth;	2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2304	} else {	2830	} else {
2305	warn "smooth face '$info->{smooth}' not found for face '$face'";	2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
2306	}	2832	}
2307	Coro::cede;	2833
		2834	cf::cede_to_tick;
		2835	}
		2836	}
		2837
		2838	{
		2839	my $anims = $facedata->{animinfo};
		2840
		2841	while (my ($anim, $info) = each %$anims) {
		2842	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2843	cf::cede_to_tick;
		2844	}
		2845
		2846	cf::anim::invalidate_all; # d'oh
		2847	}
		2848
		2849	{
		2850	# TODO: for gcfclient pleasure, we should give resources
		2851	# that gcfclient doesn't grok a >10000 face index.
		2852	my $res = $facedata->{resource};
		2853	my $enc = JSON::XS->new->utf8->canonical;
		2854
		2855	while (my ($name, $info) = each %$res) {
		2856	my $meta = $enc->encode ({
		2857	name => $name,
		2858	type => $info->{type},
		2859	copyright => $info->{copyright}, #TODO#
		2860	});
		2861
		2862	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2863
		2864	if ($name =~ /\.jpg$/) {
		2865	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2866	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2867	} else {
		2868	my $data = pack "(w/a*)*", $meta, $info->{data};
		2869	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2870
		2871	cf::face::set_type $idx, 1;
		2872	cf::face::set_data $idx, 0, $data, $chk;
		2873	}
		2874
		2875	cf::cede_to_tick;
		2876	}
2308	}	2877	}
2309		2878
2310	1	2879	1
2311	}	2880	}
2312		2881
		2882	sub reload_regions {
		2883	load_resource_file "$MAPDIR/regions"
		2884	or die "unable to load regions file\n";
		2885
		2886	for (cf::region::list) {
		2887	$_->{match} = qr/$_->{match}/
		2888	if exists $_->{match};
		2889	}
		2890	}
		2891
		2892	sub reload_facedata {
		2893	load_facedata "$DATADIR/facedata"
		2894	or die "unable to load facedata\n";
		2895	}
		2896
		2897	sub reload_archetypes {
		2898	load_resource_file "$DATADIR/archetypes"
		2899	or die "unable to load archetypes\n";
		2900	#d# NEED to laod twice to resolve forward references
		2901	# this really needs to be done in an extra post-pass
		2902	# (which needs to be synchronous, so solve it differently)
		2903	load_resource_file "$DATADIR/archetypes"
		2904	or die "unable to load archetypes\n";
		2905	}
		2906
		2907	sub reload_treasures {
		2908	load_resource_file "$DATADIR/treasures"
		2909	or die "unable to load treasurelists\n";
		2910	}
		2911
2313	sub reload_resources {	2912	sub reload_resources {
2314	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2913	warn "reloading resource files...\n";
2315	or die "unable to load regions file\n";#d#	2914
		2915	reload_regions;
2316	load_faces	2916	reload_facedata;
2317	or die "unable to load faces\n";#d#	2917	#reload_archetypes;#d#
		2918	reload_archetypes;
		2919	reload_treasures;
		2920
		2921	warn "finished reloading resource files\n";
2318	}	2922	}
2319		2923
2320	sub init {	2924	sub init {
2321	reload_resources;	2925	reload_resources;
2322	}	2926	}
2323		2927
2324	sub cfg_load {	2928	sub cfg_load {
2325	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2326	or return;	2930	or return;
2327		2931
2328	local $/;	2932	local $/;
2329	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2330		2934
…		…
2375	},	2979	},
2376	);	2980	);
2377	}	2981	}
2378	}	2982	}
2379		2983
		2984	sub write_runtime {
		2985	my $runtime = "$LOCALDIR/runtime";
		2986
		2987	# first touch the runtime file to show we are still running:
		2988	# the fsync below can take a very very long time.
		2989
		2990	IO::AIO::aio_utime $runtime, undef, undef;
		2991
		2992	my $guard = cf::lock_acquire "write_runtime";
		2993
		2994	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2995	or return;
		2996
		2997	my $value = $cf::RUNTIME + 90 + 10;
		2998	# 10 is the runtime save interval, for a monotonic clock
		2999	# 60 allows for the watchdog to kill the server.
		3000
		3001	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3002	and return;
		3003
		3004	# always fsync - this file is important
		3005	aio_fsync $fh
		3006	and return;
		3007
		3008	# touch it again to show we are up-to-date
		3009	aio_utime $fh, undef, undef;
		3010
		3011	close $fh
		3012	or return;
		3013
		3014	aio_rename "$runtime~", $runtime
		3015	and return;
		3016
		3017	warn "runtime file written.\n";
		3018
		3019	1
		3020	}
		3021
2380	sub emergency_save() {	3022	sub emergency_save() {
2381	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2382		3024
2383	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2384		3026
…		…
2415		3057
2416	warn Carp::longmess "post_cleanup backtrace"	3058	warn Carp::longmess "post_cleanup backtrace"
2417	if $make_core;	3059	if $make_core;
2418	}	3060	}
2419		3061
2420	sub reload() {	3062	sub do_reload_perl() {
2421	# can/must only be called in main	3063	# can/must only be called in main
2422	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2423	warn "can only reload from main coroutine";	3065	warn "can only reload from main coroutine";
2424	return;	3066	return;
2425	}	3067	}
…		…
2459	%EXT_CORO = ();	3101	%EXT_CORO = ();
2460		3102
2461	warn "removing commands";	3103	warn "removing commands";
2462	%COMMAND = ();	3104	%COMMAND = ();
2463		3105
2464	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2465	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2466		3109
2467	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2468	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2469	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2470		3113
…		…
2500	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2501	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3144	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2502		3145
2503	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2504	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2505		3149
2506	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2507	# and global variables created in xs	3151	# and global variables created in xs
2508	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2509		3153
…		…
2524	warn "reattaching attachments to maps";	3168	warn "reattaching attachments to maps";
2525	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2526	warn "reattaching attachments to players";	3170	warn "reattaching attachments to players";
2527	reattach $_ for values %PLAYER;	3171	reattach $_ for values %PLAYER;
2528		3172
2529	warn "loading reloadable resources";
2530	reload_resources;
2531
2532	warn "leaving sync_job";	3173	warn "leaving sync_job";
2533		3174
2534	1	3175	1
2535	} or do {	3176	} or do {
2536	warn $@;	3177	warn $@;
…		…
2541	warn "reloaded";	3182	warn "reloaded";
2542	};	3183	};
2543		3184
2544	our $RELOAD_WATCHER; # used only during reload	3185	our $RELOAD_WATCHER; # used only during reload
2545		3186
		3187	sub reload_perl() {
		3188	# doing reload synchronously and two reloads happen back-to-back,
		3189	# coro crashes during coro_state_free->destroy here.
		3190
		3191	$RELOAD_WATCHER ||= Event->timer (
		3192	reentrant => 0,
		3193	after => 0,
		3194	data => WF_AUTOCANCEL,
		3195	cb => sub {
		3196	do_reload_perl;
		3197	undef $RELOAD_WATCHER;
		3198	},
		3199	);
		3200	}
		3201
2546	register_command "reload" => sub {	3202	register_command "reload" => sub {
2547	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2548		3204
2549	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2550	$who->message ("reloading server.");	3206	$who->message ("reloading server.");
2551		3207	async { reload_perl };
2552	# doing reload synchronously and two reloads happen back-to-back,
2553	# coro crashes during coro_state_free->destroy here.
2554
2555	$RELOAD_WATCHER ||= Event->timer (
2556	reentrant => 0,
2557	after => 0,
2558	data => WF_AUTOCANCEL,
2559	cb => sub {
2560	reload;
2561	undef $RELOAD_WATCHER;
2562	},
2563	);
2564	}	3208	}
2565	};	3209	};
2566		3210
2567	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2568		3212
2569	my $bug_warning = 0;	3213	my $bug_warning = 0;
2570		3214
		3215	our @WAIT_FOR_TICK;
		3216	our @WAIT_FOR_TICK_BEGIN;
		3217
		3218	sub wait_for_tick {
		3219	return unless $TICK_WATCHER->is_active;
		3220	return if $Coro::current == $Coro::main;
		3221
		3222	my $signal = new Coro::Signal;
		3223	push @WAIT_FOR_TICK, $signal;
		3224	$signal->wait;
		3225	}
		3226
		3227	sub wait_for_tick_begin {
		3228	return unless $TICK_WATCHER->is_active;
		3229	return if $Coro::current == $Coro::main;
		3230
		3231	my $signal = new Coro::Signal;
		3232	push @WAIT_FOR_TICK_BEGIN, $signal;
		3233	$signal->wait;
		3234	}
		3235
		3236	my $min = 1e6;#d#
		3237	my $avg = 10;
2571	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2572	reentrant => 0,	3239	reentrant => 0,
2573	parked => 1,	3240	parked => 1,
2574	prio => 0,	3241	prio => 0,
2575	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2579	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3246	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2580	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2581	return;	3248	return;
2582	}	3249	}
2583		3250
2584	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2585		3252
2586	cf::server_tick; # one server iteration	3253	cf::server_tick; # one server iteration
		3254
		3255	0 && sync_job {#d#
		3256	for(1..10) {
		3257	my $t = Event::time;
		3258	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3259	or die;
		3260
		3261	$map->width (50);
		3262	$map->height (50);
		3263	$map->alloc;
		3264	$map->_load_objects ("/tmp/x.map", 1);
		3265	my $t = Event::time - $t;
		3266
		3267	#next unless $t < 0.0013;#d#
		3268	if ($t < $min) {
		3269	$min = $t;
		3270	}
		3271	$avg = $avg * 0.99 + $t * 0.01;
		3272	}
		3273	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3274	exit 0;
		3275	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3276	};
		3277
2587	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2588	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2589		3280
2590	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2591	$NEXT_RUNTIME_WRITE = $NOW + 10;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2593	write_runtime	3284	write_runtime
2594	or warn "ERROR: unable to write runtime file: $!";	3285	or warn "ERROR: unable to write runtime file: $!";
2595	};	3286	};
2596	}	3287	}
2597		3288
2598	$WAIT_FOR_TICK->broadcast;
2599	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2600
2601	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2602	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2603		3291
		3292	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3293	$sig->send;
		3294	}
		3295	while (my $sig = shift @WAIT_FOR_TICK) {
		3296	$sig->send;
		3297	}
		3298
		3299	$NOW = Event::time;
		3300
2604	# if we are delayed by four ticks or more, skip them all	3301	# if we are delayed by four ticks or more, skip them all
2605	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2606		3303
2607	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2608	$TICK_WATCHER->start;	3305	$TICK_WATCHER->start;
		3306
		3307	$LOAD = ($NOW - $tick_start) / $TICK;
		3308	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3309
		3310	_post_tick;
		3311
		3312
2609	},	3313	},
2610	);	3314	);
2611		3315
2612	{	3316	{
2613	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2641		3345
2642	cf::sync_job {	3346	cf::sync_job {
2643	eval {	3347	eval {
2644	BDB::db_env_open	3348	BDB::db_env_open
2645	$DB_ENV,	3349	$DB_ENV,
2646	$BDB_ENV_DIR,	3350	$BDBDIR,
2647	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3351	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2648	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2649	0666;	3353	0666;
2650		3354
2651	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2652		3356
2653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3357	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2654	$DB_ENV->set_lk_detect;	3358	$DB_ENV->set_lk_detect;
2655	};	3359	};
2656		3360
…		…
2672	prio => 6,	3376	prio => 6,
2673	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2674	);	3378	);
2675	}	3379	}
2676		3380
		3381	my $_log_backtrace;
		3382
		3383	sub _log_backtrace {
		3384	my ($msg, @addr) = @_;
		3385
		3386	$msg =~ s/\n//;
		3387
		3388	# limit the # of concurrent backtraces
		3389	if ($_log_backtrace < 2) {
		3390	++$_log_backtrace;
		3391	async {
		3392	my @bt = fork_call {
		3393	@addr = map { sprintf "%x", $_ } @addr;
		3394	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3395	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3396	or die "addr2line: $!";
		3397
		3398	my @funcs;
		3399	my @res = <$fh>;
		3400	chomp for @res;
		3401	while (@res) {
		3402	my ($func, $line) = splice @res, 0, 2, ();
		3403	push @funcs, "[$func] $line";
		3404	}
		3405
		3406	@funcs
		3407	};
		3408
		3409	LOG llevInfo, "[ABT] $msg\n";
		3410	LOG llevInfo, "[ABT] $_\n" for @bt;
		3411	--$_log_backtrace;
		3412	};
		3413	} else {
		3414	LOG llevInfo, "[ABT] $msg\n";
		3415	LOG llevInfo, "[ABT] [suppressed]\n";
		3416	}
		3417	}
		3418
		3419	# load additional modules
		3420	use cf::pod;
		3421
2677	END { cf::emergency_save }	3422	END { cf::emergency_save }
2678		3423
2679	1	3424	1
2680		3425

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