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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 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;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	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
30		41
31	use Event; $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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$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
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
48	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
49	our @EVENT;	61	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		62
52	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(!)
53	our $TICK_WATCHER;	76	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	79	our $NEXT_TICK;
57	our $NOW;	80	our $NOW;
…		…
66	our $RUNTIME;	89	our $RUNTIME;
67		90
68	our %PLAYER; # all users	91	our %PLAYER; # all users
69	our %MAP; # all maps	92	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		94
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		101
80	binmode STDOUT;	102	binmode STDOUT;
81	binmode STDERR;	103	binmode STDERR;
82		104
83	# read virtual server time, if available	105	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
88	}	110	}
89		111
90	mkdir cf::localdir;	112	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		114
97	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
98		116
99	sub cf::map::normalise;	117	sub cf::map::normalise;
100		118
…		…
111	=item $cf::RUNTIME	129	=item $cf::RUNTIME
112		130
113	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
114	every server tick.	132	every server tick.
115		133
116	=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
117		137
118	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		142
121	=item $cf::NOW	143	=item $cf::NOW
122		144
123	The time of the last (current) server tick.	145	The time of the last (current) server tick.
124		146
125	=item $cf::TICK	147	=item $cf::TICK
126		148
127	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.
128		160
129	=item %cf::CFG	161	=item %cf::CFG
130		162
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	164	from wherever your confdir points to.
133		165
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		167
136	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
137	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
138	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.
139	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.
140		177
141	=back	178	=back
142		179
143	=cut	180	=cut
144		181
145	BEGIN {	182	BEGIN {
146	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	184	my $msg = join "", @_;
148	utf8::encode $msg;
149		185
150	$msg .= "\n"	186	$msg .= "\n"
151	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
152		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
153	LOG llevError, $msg;	192	LOG llevError, $msg;
154	};	193	};
155	}	194	}
156		195
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		203
164	# 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
165	# within the Safe compartment.	205	# within the Safe compartment.
166	for my $pkg (qw(	206	for my $pkg (qw(
167	cf::global cf::attachable	207	cf::global cf::attachable
…		…
175	}	215	}
176		216
177	$Event::DIED = sub {	217	$Event::DIED = sub {
178	warn "error in event callback: @_";	218	warn "error in event callback: @_";
179	};	219	};
		220
		221	#############################################################################
180		222
181	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
182		224
183	=over 4	225	=over 4
184		226
…		…
203	$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;
204	$d	246	$d
205	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
206	}	248	}
207		249
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
211		251
212	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
213		253
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
222		255
223	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
224		257
225	=cut	258	=cut
226		259
227	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
229	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
231		264
232	=item cf::lock_wait $string	265	=item cf::lock_wait $string
233		266
234	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
235		268
…		…
241	returned.	274	returned.
242		275
243	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
244	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
245		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
246	=cut	283	=cut
247		284
248	our %LOCK;	285	our %LOCK;
249		286
250	sub lock_wait($) {	287	sub lock_wait($) {
…		…
267		304
268	Coro::guard {	305	Coro::guard {
269	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
271	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
272	}	315	}
273		316
274	sub freeze_mainloop {	317	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
276		319
…		…
279	};	322	};
280	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
281	$guard	324	$guard
282	}	325	}
283		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
284	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
285		384
286	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
287	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
288	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.
…		…
291		390
292	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
293		392
294	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
295		394
296	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)
297	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
298	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.
299		399
300	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
301	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
302	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
303	fast or be very important.	403	fast or be very important.
…		…
306		406
307	sub sync_job(&) {	407	sub sync_job(&) {
308	my ($job) = @_;	408	my ($job) = @_;
309		409
310	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
311	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
313		415
314	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
326		428
327	while ($busy) {	429	while ($busy) {
328	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
329	}	431	}
330		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
331	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
332	} else {	441	} else {
333	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
334		443
335	$job->()	444	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
355		464
356	$coro	465	$coro
357	}	466	}
358		467
359	sub write_runtime {	468	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		469
362	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.
363		474
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
365	or return;
366		476
367	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
368	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
369	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
370		480	Storable::store_fd $_[0], $fh;
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
372	and return;
373
374	# always fsync - this file is important
375	aio_fsync $fh
376	and return;
377
378	close $fh	481	close $fh;
379	or return;
380		482
381	aio_rename "$runtime~", $runtime	483	$buf
382	and return;	484	}
383		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;
384	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 });
385	}	655	}
386		656
387	=back	657	=back
388		658
389	=cut	659	=cut
…		…
396	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")
397	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
398		668
399	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>
400	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
401	crossfire+).	671	Crossfire TRT).
402		672
403	=over 4	673	=over 4
404		674
405	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
406		676
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
570		840
571	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		845
576	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	847	my $pkg = shift @arg;
578		848
579	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
609	}	879	}
610		880
611	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
612	} else {	882	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	884	}
615		885
616	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
617	}	887	}
618		888
…		…
620	if (ref $_[0]) {	890	if (ref $_[0]) {
621	_object_attach @_;	891	_object_attach @_;
622	} else {	892	} else {
623	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
624	}	894	}
		895	_recalc_want;
625	};	896	};
626		897
627	# all those should be optimised	898	# all those should be optimised
628	sub cf::attachable::detach {	899	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
633	reattach ($obj);	904	reattach ($obj);
634	} else {	905	} else {
635	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
636	}	907	}
		908	_recalc_want;
637	};	909	};
638		910
639	sub cf::attachable::attached {	911	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
641		913
…		…
656	";	928	";
657	die if $@;	929	die if $@;
658	}	930	}
659		931
660	our $override;	932	our $override;
661	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?
662		934
663	sub override {	935	sub override {
664	$override = 1;	936	$override = 1;
665	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
666	}	938	}
667		939
668	sub do_invoke {	940	sub do_invoke {
669	my $event = shift;	941	my $event = shift;
670	my $callbacks = shift;	942	my $callbacks = shift;
671		943
672	@invoke_results = ();	944	@INVOKE_RESULTS = ();
673		945
674	local $override;	946	local $override;
675		947
676	for (@$callbacks) {	948	for (@$callbacks) {
677	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
694		966
695	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
696		968
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		972
701	=back	973	=back
702		974
703	=cut	975	=cut
704		976
705	#############################################################################	977	#############################################################################
706	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
707		990
708	sub reattach {	991	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	993	my ($obj) = @_;
711		994
…		…
814	or return;	1097	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1099	}
817		1100
818	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1103	return ($data, $av);
821	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
822		1111
823	#############################################################################	1112	#############################################################################
824	# command handling &c	1113	# command handling &c
825		1114
826	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1129	}
841		1130
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1132
844	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.
845		1138
846	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
847	called.	1140	called.
848		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
849	=cut	1153	=cut
850		1154
851	sub register_extcmd {	1155	sub register_extcmd {
852	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
853		1157
854	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
855	}	1165	}
856		1166
857	cf::player->attach (	1167	cf::player->attach (
858	on_command => sub {	1168	on_command => sub {
859	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1178	cf::override;
869	},	1179	},
870	on_extcmd => sub {	1180	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
872		1182
873	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1184
875	if (ref $msg) {	1185	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1186	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1187	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1188	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1194
885	cf::override;	1195	cf::override;
886	},	1196	},
887	);	1197	);
888		1198
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1199	sub load_extensions {
		1200	cf::sync_job {
		1201	my %todo;
		1202
924	for my $ext (<$LIBDIR/*.ext>) {	1203	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1204	next unless -r $path;
926	eval {	1205
927	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	$progress = 1;
928	1	1263	}
929	} or warn "$ext not loaded: $@";	1264
		1265	skip:
		1266	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1267	unless $progress;
		1268	}
930	}	1269	};
931	}	1270	}
932		1271
933	#############################################################################	1272	#############################################################################
934		1273
		1274	=back
		1275
935	=head2 CORE EXTENSIONS	1276	=head2 CORE EXTENSIONS
936		1277
937	Functions and methods that extend core crossfire objects.	1278	Functions and methods that extend core crossfire objects.
938		1279
939	=cut	1280	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1292	Returns the given player object, loading it if necessary (might block).
952		1293
953	=cut	1294	=cut
954		1295
955	sub playerdir($) {	1296	sub playerdir($) {
956	cf::localdir	1297	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1298	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1299	}
962		1300
963	sub path($) {	1301	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1302	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1303
966	(playerdir $login) . "/$login.pl"	1304	(playerdir $login) . "/playerdata"
967	}	1305	}
968		1306
969	sub find_active($) {	1307	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1308	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1309	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1322	my $login = $_[0];
985		1323
986	my $guard = cf::lock_acquire "user_find:$login";	1324	my $guard = cf::lock_acquire "user_find:$login";
987		1325
988	$cf::PLAYER{$_[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
989	my $pl = load_pl path $login	1334	my $pl = load_pl path $login
990	or return;	1335	or return;
991	$cf::PLAYER{$login} = $pl	1336	$cf::PLAYER{$login} = $pl
992	}	1337	}
993	}	1338	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1078		1423
1079	=cut	1424	=cut
1080		1425
1081	sub list_logins {	1426	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1428	or return [];
1084		1429
1085	my @logins;	1430	my @logins;
1086		1431
1087	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
…		…
1122	}	1467	}
1123		1468
1124	\@paths	1469	\@paths
1125	}	1470	}
1126		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
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1522	=item $player->ext_reply ($msgid, %msg)
1128		1523
1129	Sends an ext reply to the player.	1524	Sends an ext reply to the player.
1130		1525
1131	=cut	1526	=cut
1132		1527
1133	sub ext_reply($$$%) {	1528	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1529	my ($self, $id, %msg) = @_;
1135		1530
1136	$msg{msgid} = $id;	1531	$msg{msgid} = $id;
1137		1532	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1533	}
1140		1534
1141	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	$match
		1574	}
1142		1575
1143	=back	1576	=back
1144
1145		1577
1146	=head3 cf::map	1578	=head3 cf::map
1147		1579
1148	=over 4	1580	=over 4
1149		1581
…		…
1204	my ($self, $merge) = @_;	1636	my ($self, $merge) = @_;
1205		1637
1206	# we have to keep some variables in memory intact	1638	# we have to keep some variables in memory intact
1207	local $self->{path};	1639	local $self->{path};
1208	local $self->{load_path};	1640	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1641
1212	$self->SUPER::thawer_merge ($merge);	1642	$self->SUPER::thawer_merge ($merge);
1213	}	1643	}
1214		1644
1215	sub normalise {	1645	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1692	$self->init; # pass $1 etc.
1263	return $self;	1693	return $self;
1264	}	1694	}
1265	}	1695	}
1266		1696
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1697	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1698	()
1269	}	1699	}
1270		1700
1271	sub init {	1701	sub init {
1272	my ($self) = @_;	1702	my ($self) = @_;
…		…
1287		1717
1288	# the original (read-only) location	1718	# the original (read-only) location
1289	sub load_path {	1719	sub load_path {
1290	my ($self) = @_;	1720	my ($self) = @_;
1291		1721
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1722	"$MAPDIR/$self->{path}.map"
1293	}	1723	}
1294		1724
1295	# the temporary/swap location	1725	# the temporary/swap location
1296	sub save_path {	1726	sub save_path {
1297	my ($self) = @_;	1727	my ($self) = @_;
1298		1728
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1729	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1730	"$TMPDIR/$path.map"
1301	}	1731	}
1302		1732
1303	# the unique path, undef == no special unique path	1733	# the unique path, undef == no special unique path
1304	sub uniq_path {	1734	sub uniq_path {
1305	my ($self) = @_;	1735	my ($self) = @_;
1306		1736
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1737	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1738	"$UNIQUEDIR/$path"
1309	}	1739	}
1310		1740
1311	# and all this just because we cannot iterate over	1741	# and all this just because we cannot iterate over
1312	# all maps in C++...	1742	# all maps in C++...
1313	sub change_all_map_light {	1743	sub change_all_map_light {
1314	my ($change) = @_;	1744	my ($change) = @_;
1315		1745
1316	$_->change_map_light ($change)	1746	$_->change_map_light ($change)
1317	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	$self->do_decay_objects;
1318	}	1756	}
1319		1757
1320	sub unlink_save {	1758	sub unlink_save {
1321	my ($self) = @_;	1759	my ($self) = @_;
1322		1760
…		…
1380	$self->load_header_orig	1818	$self->load_header_orig
1381	or return;	1819	or return;
1382	$self->prepare_orig;	1820	$self->prepare_orig;
1383	}	1821	}
1384		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
1385	1	1829	1
1386	}	1830	}
1387		1831
1388	sub find;	1832	sub find;
1389	sub find {	1833	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1845	$map->{last_save} = $cf::RUNTIME;
1402		1846
1403	$map->load_header	1847	$map->load_header
1404	or return;	1848	or return;
1405		1849
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1850	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1851	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1852	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1853	$map->reset;
1410	undef $guard;	1854	undef $guard;
1411	return find $path;	1855	return find $path;
…		…
1422	my ($self) = @_;	1866	my ($self) = @_;
1423		1867
1424	local $self->{deny_reset} = 1; # loading can take a long time	1868	local $self->{deny_reset} = 1; # loading can take a long time
1425		1869
1426	my $path = $self->{path};	1870	my $path = $self->{path};
		1871
		1872	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1873	my $guard = cf::lock_acquire "map_load:$path";
1428		1874
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1875	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1876
1431	$self->in_memory (cf::MAP_LOADING);	1877	$self->in_memory (cf::MAP_LOADING);
1432		1878
1433	$self->alloc;	1879	$self->alloc;
1434		1880
1435	$self->pre_load;	1881	$self->pre_load;
1436
1437	$self->_load_objects ($self->{load_path}, 1)
1438	or return;
1439
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};
1442
1443	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {
1446	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);
1448	}
1449	}
1450
1451	Coro::cede;
1452
1453	# now do the right thing for maps
1454	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;	1882	Coro::cede;
1461	$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;
1462	$self->difficulty ($self->estimate_difficulty)	1901	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1902	unless $self->difficulty;
1464	Coro::cede;	1903	Coro::cede;
		1904
		1905	unless ($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;
1465	$self->activate;	1912	$self->activate;
		1913	}
		1914
		1915	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1916	}
1467		1917
1468	$self->post_load;	1918	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1919	}
1472		1920
1473	sub customise_for {	1921	sub customise_for {
1474	my ($self, $ob) = @_;	1922	my ($self, $ob) = @_;
1475		1923
1476	return find "~" . $ob->name . "/" . $self->{path}	1924	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1925	if $self->per_player;
		1926
		1927	# return find "?party/" . $ob->name . "/" . $self->{path}
		1928	# if $self->per_party;
1478		1929
1479	$self	1930	$self
1480	}	1931	}
1481		1932
1482	# 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
…		…
1529		1980
1530	undef $MAP_PREFETCH{$path};	1981	undef $MAP_PREFETCH{$path};
1531	$MAP_PREFETCHER ||= cf::async {	1982	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	1983	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	1984	for my $path (keys %MAP_PREFETCH) {
1534	my $map = find $path	1985	if (my $map = find $path) {
1535	or next;
1536	$map->load;	1986	$map->load;
		1987	}
1537		1988
1538	delete $MAP_PREFETCH{$path};	1989	delete $MAP_PREFETCH{$path};
1539	}	1990	}
1540	}	1991	}
1541	undef $MAP_PREFETCHER;	1992	undef $MAP_PREFETCHER;
…		…
1593		2044
1594	sub reset_at {	2045	sub reset_at {
1595	my ($self) = @_;	2046	my ($self) = @_;
1596		2047
1597	# TODO: safety, remove and allow resettable per-player maps	2048	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2049	return 1e99 if $self->{deny_reset};
1600		2050
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2051	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2052	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2053
…		…
1614	my ($self) = @_;	2064	my ($self) = @_;
1615		2065
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2066	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2067
1618	return if $self->players;	2068	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2069
1621	warn "resetting map ", $self->path;#d#	2070	warn "resetting map ", $self->path;
1622		2071
1623	$self->in_memory (cf::MAP_SWAPPED);	2072	$self->in_memory (cf::MAP_SWAPPED);
1624		2073
1625	# need to save uniques path	2074	# need to save uniques path
1626	unless ($self->{deny_save}) {	2075	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	2107	$cf::MAP{$self->path} = $self;
1659		2108
1660	$self->reset; # polite request, might not happen	2109	$self->reset; # polite request, might not happen
1661	}	2110	}
1662		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
1663	=item cf::map::unique_maps	2148	=item cf::map::unique_maps
1664		2149
1665	Returns an arrayref of paths of all shared maps that have	2150	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2151	instantiated unique items. May block.
1667		2152
1668	=cut	2153	=cut
1669		2154
1670	sub unique_maps() {	2155	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2156	[
1672	or return;	2157	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2158	utf8::decode $_;
1678	next if /\.pst$/;	2159	/\.map$/
1679	next unless /^$PATH_SEP/o;	2160	? normalise $_
1680		2161	: ()
1681	push @paths, cf::map::normalise $_;	2162	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2163	]
1683
1684	\@paths
1685	}	2164	}
1686		2165
1687	package cf;	2166	package cf;
1688		2167
1689	=back	2168	=back
…		…
1735		2214
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2215	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2216
1738	if ($self->{record_replies}) {	2217	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2218	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2219
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2233	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2234	$self->message ($msg, $flags);
		2235	}
1743	}	2236	}
1744	}	2237	}
1745		2238
1746	=item $player_object->may ("access")	2239	=item $player_object->may ("access")
1747		2240
…		…
1795	$self->deactivate_recursive;	2288	$self->deactivate_recursive;
1796		2289
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2290	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2291
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2292	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2293	if $self->map && $self->map->{path} ne "{link}";
1801		2294
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2295	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2296	}
1804		2297
1805	sub cf::object::player::leave_link {	2298	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2299	my ($self, $map, $x, $y) = @_;
		2300
		2301	return unless $self->contr->active;
1807		2302
1808	my $link_pos = delete $self->{_link_pos};	2303	my $link_pos = delete $self->{_link_pos};
1809		2304
1810	unless ($map) {	2305	unless ($map) {
1811	# restore original map position	2306	# restore original map position
…		…
1834		2329
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2330	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2331	$self->enter_map ($map, $x, $y);
1837	}	2332	}
1838		2333
1839	cf::player->attach (	2334	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2335
1843	# abort map switching before logout	2336	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2337	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2338	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2339	the new (success) or old (failed) map position. In either case, $done will
1847	};	2340	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2341
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2342	=cut
		2343
		2344	our $GOTOGEN;
1874		2345
1875	sub cf::object::player::goto {	2346	sub cf::object::player::goto {
1876	my ($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;
1877		2351
1878	$self->enter_link;	2352	$self->enter_link;
1879		2353
1880	(async {	2354	(async {
1881	my $map = eval {	2355	my $map = eval {
1882	my $map = cf::map::find $path;	2356	my $map = cf::map::find $path;
		2357
		2358	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2371	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2372
		2373	if ($gen == $self->{_goto_generation}) {
		2374	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2375	$self->leave_link ($map, $x, $y);
		2376	}
		2377
		2378	$done->() if $done;
1889	})->prio (1);	2379	})->prio (1);
1890	}	2380	}
1891		2381
1892	=item $player_object->enter_exit ($exit_object)	2382	=item $player_object->enter_exit ($exit_object)
1893		2383
…		…
1932		2422
1933	$rmp->{random_seed} ||= $exit->random_seed;	2423	$rmp->{random_seed} ||= $exit->random_seed;
1934		2424
1935	my $data = cf::to_json $rmp;	2425	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2426	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2427	my $meta = "$RANDOMDIR/$md5.meta";
1938		2428
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2429	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2430	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2431	undef $fh;
1942	aio_rename "$meta~", $meta;	2432	aio_rename "$meta~", $meta;
…		…
1951		2441
1952	return unless $self->type == cf::PLAYER;	2442	return unless $self->type == cf::PLAYER;
1953		2443
1954	if ($exit->slaying eq "/!") {	2444	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2448	cf::sync_job { prepare_random_map $exit };
1957	}	2449	}
1958		2450
1959	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;
1960	my $hp = $exit->stats->hp;	2452	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2453	my $sp = $exit->stats->sp;
1962		2454
1963	$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);
1964		2460
1965	(async {	2461	(async {
1966	$self->deactivate_recursive; # just to be sure	2462	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2463	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2464	$self->goto ($slaying, $hp, $sp);
1969		2465
1970	1;	2466	1;
1971	}) {	2467	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2468	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2470	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2471	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2472
1977	warn "ERROR in enter_exit: $@";	2473	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2474	$self->leave_link;
1979	}	2475	}
1980	})->prio (1);	2476	})->prio (1);
…		…
1993		2489
1994	sub cf::client::send_drawinfo {	2490	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2491	my ($self, $text, $flags) = @_;
1996		2492
1997	utf8::encode $text;	2493	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2494	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2495	}
2000		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	}
2001		2563
2002	=item $success = $client->query ($flags, "text", \&cb)	2564	=item $success = $client->query ($flags, "text", \&cb)
2003		2565
2004	Queues a query to the client, calling the given callback with	2566	Queues a query to the client, calling the given callback with
2005	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>,
2006	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>.
2007		2569
2008	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
2009	reliable at some point in the future.	2571	become reliable at some point in the future.
2010		2572
2011	=cut	2573	=cut
2012		2574
2013	sub cf::client::query {	2575	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2576	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2584	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2585	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2586
2025	$self->send_packet ($self->{query_queue}[0][0])	2587	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2588	if @{ $self->{query_queue} } == 1;
		2589
		2590	1
2027	}	2591	}
2028		2592
2029	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	},
2030	on_reply => sub {	2599	on_reply => sub {
2031	my ($ns, $msg) = @_;	2600	my ($ns, $msg) = @_;
2032		2601
2033	# this weird shuffling is so that direct followup queries	2602	# this weird shuffling is so that direct followup queries
2034	# get handled first	2603	# get handled first
…		…
2046	} else {	2615	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2616	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2617	}
2049	}	2618	}
2050	},	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	},
2051	);	2638	);
2052		2639
2053	=item $client->async (\&cb)	2640	=item $client->async (\&cb)
2054		2641
2055	Create a new coroutine, running the specified callback. The coroutine will	2642	Create a new coroutine, running the specified callback. The coroutine will
…		…
2102		2689
2103	# here we export the classes and methods available to script code	2690	# here we export the classes and methods available to script code
2104		2691
2105	=pod	2692	=pod
2106		2693
2107	The following fucntions and emthods are available within a safe environment:	2694	The following functions and methods are available within a safe environment:
2108		2695
2109	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
2110	cf::object::player player	2700	cf::object::player
2111	cf::player peaceful	2701	player
2112	cf::map trigger	2702
		2703	cf::player
		2704	peaceful
		2705
		2706	cf::map
		2707	trigger
2113		2708
2114	=cut	2709	=cut
2115		2710
2116	for (	2711	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	2714	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2715	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2716	["cf::map" => qw(trigger)],
2121	) {	2717	) {
2122	no strict 'refs';	2718	no strict 'refs';
…		…
2193	=back	2789	=back
2194		2790
2195	=cut	2791	=cut
2196		2792
2197	#############################################################################	2793	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	2794	# the server's init and main functions
2271		2795
2272	sub load_faces {	2796	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2797	my ($path) = @_;
2274		2798
2275	warn "loading faces from $path\n";	2799	warn "loading facedata from $path\n";
2276		2800
2277	my $faces;	2801	my $facedata;
2278	0 < aio_load $path, $faces	2802	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2803	or die "$path: $!";
2280		2804
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2805	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2806
		2807	$facedata->{version} == 2
		2808	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2809
		2810	{
		2811	my $faces = $facedata->{faceinfo};
		2812
2285	while (my ($face, $info) = each %$faces) {	2813	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2814	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2815	cf::face::set_visibility $idx, $info->{visibility};
		2816	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2817	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289	Coro::cede;	2818	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2819
		2820	cf::cede_to_tick;
		2821	}
		2822
		2823	while (my ($face, $info) = each %$faces) {
		2824	next unless $info->{smooth};
		2825	my $idx = cf::face::find $face
		2826	or next;
		2827	if (my $smooth = cf::face::find $info->{smooth}) {
		2828	cf::face::set_smooth $idx, $smooth;
		2829	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2830	} else {
		2831	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2832	}
		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	}
2290	}	2877	}
2291		2878
2292	1	2879	1
2293	}	2880	}
2294		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
2295	sub reload_resources {	2912	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2913	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2914
		2915	reload_regions;
2298	load_faces	2916	reload_facedata;
2299	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";
2300	}	2922	}
2301		2923
2302	sub init {	2924	sub init {
2303	reload_resources;	2925	reload_resources;
2304	}	2926	}
2305		2927
2306	sub cfg_load {	2928	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2929	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2930	or return;
2309		2931
2310	local $/;	2932	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2933	*CFG = YAML::Syck::Load <$fh>;
2312		2934
…		…
2357	},	2979	},
2358	);	2980	);
2359	}	2981	}
2360	}	2982	}
2361		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
2362	sub emergency_save() {	3022	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3023	my $freeze_guard = cf::freeze_mainloop;
2364		3024
2365	warn "enter emergency perl save\n";	3025	warn "enter emergency perl save\n";
2366		3026
…		…
2397		3057
2398	warn Carp::longmess "post_cleanup backtrace"	3058	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3059	if $make_core;
2400	}	3060	}
2401		3061
2402	sub reload() {	3062	sub do_reload_perl() {
2403	# can/must only be called in main	3063	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3064	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3065	warn "can only reload from main coroutine";
2406	return;	3066	return;
2407	}	3067	}
…		…
2441	%EXT_CORO = ();	3101	%EXT_CORO = ();
2442		3102
2443	warn "removing commands";	3103	warn "removing commands";
2444	%COMMAND = ();	3104	%COMMAND = ();
2445		3105
2446	warn "removing ext commands";	3106	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3107	%EXTCMD = ();
		3108	%EXTICMD = ();
2448		3109
2449	warn "unloading/nuking all extensions";	3110	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3111	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3112	warn "... unloading $pkg";
2452		3113
…		…
2482	Symbol::delete_package "safe::$_"	3143	Symbol::delete_package "safe::$_"
2483	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);
2484		3145
2485	warn "unloading cf.pm \"a bit\"";	3146	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3147	delete $INC{"cf.pm"};
		3148	delete $INC{"cf/pod.pm"};
2487		3149
2488	# don't, removes xs symbols, too,	3150	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3151	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3152	#Symbol::delete_package __PACKAGE__;
2491		3153
…		…
2506	warn "reattaching attachments to maps";	3168	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3169	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3170	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3171	reattach $_ for values %PLAYER;
2510		3172
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3173	warn "leaving sync_job";
2515		3174
2516	1	3175	1
2517	} or do {	3176	} or do {
2518	warn $@;	3177	warn $@;
…		…
2523	warn "reloaded";	3182	warn "reloaded";
2524	};	3183	};
2525		3184
2526	our $RELOAD_WATCHER; # used only during reload	3185	our $RELOAD_WATCHER; # used only during reload
2527		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
2528	register_command "reload" => sub {	3202	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3203	my ($who, $arg) = @_;
2530		3204
2531	if ($who->flag (FLAG_WIZ)) {	3205	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3206	$who->message ("reloading server.");
2533		3207	async { reload_perl };
2534	# doing reload synchronously and two reloads happen back-to-back,
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);
2546	}	3208	}
2547	};	3209	};
2548		3210
2549	unshift @INC, $LIBDIR;	3211	unshift @INC, $LIBDIR;
2550		3212
2551	my $bug_warning = 0;	3213	my $bug_warning = 0;
2552		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;
2553	$TICK_WATCHER = Event->timer (	3238	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3239	reentrant => 0,
2555	parked => 1,	3240	parked => 1,
2556	prio => 0,	3241	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3242	at => $NEXT_TICK || $TICK,
…		…
2561	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"
2562	unless ++$bug_warning > 10;	3247	unless ++$bug_warning > 10;
2563	return;	3248	return;
2564	}	3249	}
2565		3250
2566	$NOW = Event::time;	3251	$NOW = $tick_start = Event::time;
2567		3252
2568	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
2569	$RUNTIME += $TICK;	3278	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3279	$NEXT_TICK += $TICK;
2571		3280
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3281	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3282	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3284	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3285	or warn "ERROR: unable to write runtime file: $!";
2577	};	3286	};
2578	}	3287	}
2579		3288
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3289	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3290	# warn $AFTER - $NOW;#d#
2585		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
2586	# 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
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3302	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3303
2589	$TICK_WATCHER->at ($NEXT_TICK);	3304	$TICK_WATCHER->at ($NEXT_TICK);
2590	$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
2591	},	3313	},
2592	);	3314	);
2593		3315
2594	{	3316	{
2595	BDB::max_poll_time $TICK * 0.1;	3317	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3345
2624	cf::sync_job {	3346	cf::sync_job {
2625	eval {	3347	eval {
2626	BDB::db_env_open	3348	BDB::db_env_open
2627	$DB_ENV,	3349	$DB_ENV,
2628	$BDB_ENV_DIR,	3350	$BDBDIR,
2629	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
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3352	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3353	0666;
2632		3354
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3355	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3356
2635	$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);
2636	$DB_ENV->set_lk_detect;	3358	$DB_ENV->set_lk_detect;
2637	};	3359	};
2638		3360
…		…
2654	prio => 6,	3376	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3377	cb => \&IO::AIO::poll_cb,
2656	);	3378	);
2657	}	3379	}
2658		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
2659	END { cf::emergency_save }	3422	END { cf::emergency_save }
2660		3423
2661	1	3424	1
2662		3425

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