ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.314 by root, Mon Jul 23 16:53:15 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]
		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	Useful for short background jobs.
		334
		335	=cut
		336
		337	our @SLOT_QUEUE;
		338	our $SLOT_QUEUE;
		339
		340	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		341	$SLOT_QUEUE = Coro::async {
		342	my $signal = new Coro::Signal;
		343
		344	while () {
		345	next_job:
		346	my $avail = cf::till_tick;
		347	if ($avail > 0.01) {
		348	for (0 .. $#SLOT_QUEUE) {
		349	if ($SLOT_QUEUE[$_][0] < $avail) {
		350	my $job = splice @SLOT_QUEUE, $_, 1, ();
		351	$job->[2]->send;
		352	Coro::cede;
		353	goto next_job;
		354	}
		355	}
		356	}
		357
		358	if (@SLOT_QUEUE) {
		359	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		360	push @cf::WAIT_FOR_TICK, $signal;
		361	$signal->wait;
		362	} else {
		363	Coro::schedule;
		364	}
		365	}
		366	};
		367
		368	sub get_slot($;$) {
		369	my ($time, $pri) = @_;
		370
		371	push @SLOT_QUEUE, [$time, $pri, my $sig = new Coro::Signal];
		372	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		373	$SLOT_QUEUE->ready;
		374	$sig->wait;
		375	}
		376
284	=item cf::async { BLOCK }	377	=item cf::async { BLOCK }
285		378
286	Currently the same as Coro::async_pool, meaning you cannot use	379	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	380	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	381	thing you are allowed to do is call C<prio> on it.
…		…
291		384
292	BEGIN { *async = \&Coro::async_pool }	385	BEGIN { *async = \&Coro::async_pool }
293		386
294	=item cf::sync_job { BLOCK }	387	=item cf::sync_job { BLOCK }
295		388
296	The design of crossfire+ requires that the main coro ($Coro::main) is	389	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	390	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	391	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		392	acceptable.
299		393
300	If it must be done, put the blocking parts into C<sync_job>. This will run	394	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	395	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	396	server will be frozen during this time, so the block should either finish
303	fast or be very important.	397	fast or be very important.
…		…
306		400
307	sub sync_job(&) {	401	sub sync_job(&) {
308	my ($job) = @_;	402	my ($job) = @_;
309		403
310	if ($Coro::current == $Coro::main) {	404	if ($Coro::current == $Coro::main) {
		405	my $time = Event::time;
		406
311	# this is the main coro, too bad, we have to block	407	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	408	# till the operation succeeds, freezing the server :/
313		409
314	# TODO: use suspend/resume instead	410	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	411	# (but this is cancel-safe)
…		…
326		422
327	while ($busy) {	423	while ($busy) {
328	Coro::cede or Event::one_event;	424	Coro::cede or Event::one_event;
329	}	425	}
330		426
		427	$time = Event::time - $time;
		428
		429	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		430	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		431
		432	$tick_start += $time; # do not account sync jobs to server load
		433
331	wantarray ? @res : $res[0]	434	wantarray ? @res : $res[0]
332	} else {	435	} else {
333	# we are in another coroutine, how wonderful, everything just works	436	# we are in another coroutine, how wonderful, everything just works
334		437
335	$job->()	438	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	457	$EXT_CORO{$coro+0} = $coro;
355		458
356	$coro	459	$coro
357	}	460	}
358		461
359	sub write_runtime {	462	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		463
362	my $runtime = cf::localdir . "/runtime";	464	Executes the given code block with the given arguments in a seperate
		465	process, returning the results. Everything must be serialisable with
		466	Coro::Storable. May, of course, block. Note that the executed sub may
		467	never block itself or use any form of Event handling.
363		468
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	469	=cut
365	or return;
366		470
367	my $value = $cf::RUNTIME + 90 + 10;	471	sub _store_scalar {
368	# 10 is the runtime save interval, for a monotonic clock	472	open my $fh, ">", \my $buf
369	# 60 allows for the watchdog to kill the server.	473	or die "fork_call: cannot open fh-to-buf in child : $!";
370		474	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	475	close $fh;
379	or return;
380		476
381	aio_rename "$runtime~", $runtime	477	$buf
382	and return;	478	}
383		479
		480	sub fork_call(&@) {
		481	my ($cb, @args) = @_;
		482
		483	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		484	# or die "socketpair: $!";
		485	pipe my $fh1, my $fh2
		486	or die "pipe: $!";
		487
		488	if (my $pid = fork) {
		489	close $fh2;
		490
		491	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		492	warn "pst<$res>" unless $res =~ /^pst/;
		493	$res = Coro::Storable::thaw $res;
		494
		495	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		496
		497	Carp::confess $$res unless "ARRAY" eq ref $res;
		498
		499	return wantarray ? @$res : $res->[-1];
		500	} else {
		501	reset_signals;
		502	local $SIG{__WARN__};
		503	local $SIG{__DIE__};
		504	# just in case, this hack effectively disables event
		505	# in the child. cleaner and slower would be canceling all watchers,
		506	# but this works for the time being.
		507	local $Coro::idle;
		508	$Coro::current->prio (Coro::PRIO_MAX);
		509
		510	eval {
		511	close $fh1;
		512
		513	my @res = eval { $cb->(@args) };
		514
		515	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		516	close $fh2;
		517	};
		518
		519	warn $@ if $@;
		520	_exit 0;
384	1	521	}
		522	}
		523
		524	=item $value = cf::db_get $family => $key
		525
		526	Returns a single value from the environment database.
		527
		528	=item cf::db_put $family => $key => $value
		529
		530	Stores the given C<$value> in the family. It can currently store binary
		531	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		532
		533	=cut
		534
		535	our $DB;
		536
		537	sub db_init {
		538	unless ($DB) {
		539	$DB = BDB::db_create $DB_ENV;
		540
		541	cf::sync_job {
		542	eval {
		543	$DB->set_flags (BDB::CHKSUM);
		544
		545	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		546	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		547	cf::cleanup "db_open(db): $!" if $!;
		548	};
		549	cf::cleanup "db_open(db): $@" if $@;
		550	};
		551	}
		552	}
		553
		554	sub db_get($$) {
		555	my $key = "$_[0]/$_[1]";
		556
		557	cf::sync_job {
		558	BDB::db_get $DB, undef, $key, my $data;
		559
		560	$! ? ()
		561	: $data
		562	}
		563	}
		564
		565	sub db_put($$$) {
		566	BDB::dbreq_pri 4;
		567	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		568	}
		569
		570	=item cf::cache $id => [$paths...], $processversion => $process
		571
		572	Generic caching function that returns the value of the resource $id,
		573	caching and regenerating as required.
		574
		575	This function can block.
		576
		577	=cut
		578
		579	sub cache {
		580	my ($id, $src, $processversion, $process) = @_;
		581
		582	my $meta =
		583	join "\x00",
		584	$processversion,
		585	map {
		586	aio_stat $_
		587	and Carp::croak "$_: $!";
		588
		589	($_, (stat _)[7,9])
		590	} @$src;
		591
		592	my $dbmeta = db_get cache => "$id/meta";
		593	if ($dbmeta ne $meta) {
		594	# changed, we may need to process
		595
		596	my @data;
		597	my $md5;
		598
		599	for (0 .. $#$src) {
		600	0 <= aio_load $src->[$_], $data[$_]
		601	or Carp::croak "$src->[$_]: $!";
		602	}
		603
		604	# if processing is expensive, check
		605	# checksum first
		606	if (1) {
		607	$md5 =
		608	join "\x00",
		609	$processversion,
		610	map {
		611	Coro::cede;
		612	($src->[$_], Digest::MD5::md5_hex $data[$_])
		613	} 0.. $#$src;
		614
		615
		616	my $dbmd5 = db_get cache => "$id/md5";
		617	if ($dbmd5 eq $md5) {
		618	db_put cache => "$id/meta", $meta;
		619
		620	return db_get cache => "$id/data";
		621	}
		622	}
		623
		624	my $t1 = Time::HiRes::time;
		625	my $data = $process->(\@data);
		626	my $t2 = Time::HiRes::time;
		627
		628	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		629
		630	db_put cache => "$id/data", $data;
		631	db_put cache => "$id/md5" , $md5;
		632	db_put cache => "$id/meta", $meta;
		633
		634	return $data;
		635	}
		636
		637	db_get cache => "$id/data"
		638	}
		639
		640	=item cf::datalog type => key => value, ...
		641
		642	Log a datalog packet of the given type with the given key-value pairs.
		643
		644	=cut
		645
		646	sub datalog($@) {
		647	my ($type, %kv) = @_;
		648	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	649	}
386		650
387	=back	651	=back
388		652
389	=cut	653	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	660	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	661	to it. All such attachable objects support the following methods.
398		662
399	In the following description, CLASS can be any of C<global>, C<object>	663	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	664	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	665	Crossfire TRT).
402		666
403	=over 4	667	=over 4
404		668
405	=item $attachable->attach ($attachment, key => $value...)	669	=item $attachable->attach ($attachment, key => $value...)
406		670
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	833	$registry = $CB_TYPE[$object_type] ||= [];
570		834
571	} elsif ($type eq "subtype") {	835	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	836	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	837	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	838	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		839
576	} elsif ($type eq "package") {	840	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	841	my $pkg = shift @arg;
578		842
579	while (my ($name, $id) = each %cb_id) {	843	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	872	_attach $registry, $klass, @attach;
609	}	873	}
610		874
611	$obj->{$name} = \%arg;	875	$obj->{$name} = \%arg;
612	} else {	876	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	877	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	878	}
615		879
616	$obj->{_attachment}{$name} = undef;	880	$obj->{_attachment}{$name} = undef;
617	}	881	}
618		882
…		…
620	if (ref $_[0]) {	884	if (ref $_[0]) {
621	_object_attach @_;	885	_object_attach @_;
622	} else {	886	} else {
623	_attach shift->_attach_registry, @_;	887	_attach shift->_attach_registry, @_;
624	}	888	}
		889	_recalc_want;
625	};	890	};
626		891
627	# all those should be optimised	892	# all those should be optimised
628	sub cf::attachable::detach {	893	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	894	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	897	delete $obj->{_attachment}{$name};
633	reattach ($obj);	898	reattach ($obj);
634	} else {	899	} else {
635	Carp::croak "cannot, currently, detach class attachments";	900	Carp::croak "cannot, currently, detach class attachments";
636	}	901	}
		902	_recalc_want;
637	};	903	};
638		904
639	sub cf::attachable::attached {	905	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	906	my ($obj, $name) = @_;
641		907
…		…
656	";	922	";
657	die if $@;	923	die if $@;
658	}	924	}
659		925
660	our $override;	926	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	927	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		928
663	sub override {	929	sub override {
664	$override = 1;	930	$override = 1;
665	@invoke_results = ();	931	@INVOKE_RESULTS = (@_);
666	}	932	}
667		933
668	sub do_invoke {	934	sub do_invoke {
669	my $event = shift;	935	my $event = shift;
670	my $callbacks = shift;	936	my $callbacks = shift;
671		937
672	@invoke_results = ();	938	@INVOKE_RESULTS = ();
673		939
674	local $override;	940	local $override;
675		941
676	for (@$callbacks) {	942	for (@$callbacks) {
677	eval { &{$_->[1]} };	943	eval { &{$_->[1]} };
…		…
694		960
695	Generate an object-specific event with the given arguments.	961	Generate an object-specific event with the given arguments.
696		962
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	963	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	964	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	965	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		966
701	=back	967	=back
702		968
703	=cut	969	=cut
704		970
705	#############################################################################	971	#############################################################################
706	# object support	972	# object support
		973	#
		974
		975	sub _can_merge {
		976	my ($ob1, $ob2) = @_;
		977
		978	local $Storable::canonical = 1;
		979	my $fob1 = Storable::freeze $ob1;
		980	my $fob2 = Storable::freeze $ob2;
		981
		982	$fob1 eq $fob2
		983	}
707		984
708	sub reattach {	985	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	986	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	987	my ($obj) = @_;
711		988
…		…
814	or return;	1091	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1092	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1093	}
817		1094
818	warn sprintf "loading %s (%d)\n",	1095	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1096	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1097	return ($data, $av);
821	}	1098	}
		1099
		1100	=head2 COMMAND CALLBACKS
		1101
		1102	=over 4
		1103
		1104	=cut
822		1105
823	#############################################################################	1106	#############################################################################
824	# command handling &c	1107	# command handling &c
825		1108
826	=item cf::register_command $name => \&callback($ob,$args);	1109	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1122	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1123	}
841		1124
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1125	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1126
844	Register a callbackf ro execution when the client sends an extcmd packet.	1127	Register a callback for execution when the client sends an (synchronous)
		1128	extcmd packet. Ext commands will be processed in the order they are
		1129	received by the server, like other user commands. The first argument is
		1130	the logged-in player. Ext commands can only be processed after a player
		1131	has logged in successfully.
845		1132
846	If the callback returns something, it is sent back as if reply was being	1133	If the callback returns something, it is sent back as if reply was being
847	called.	1134	called.
848		1135
		1136	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1137
		1138	Register a callback for execution when the client sends an (asynchronous)
		1139	exticmd packet. Exti commands are processed by the server as soon as they
		1140	are received, i.e. out of order w.r.t. other commands. The first argument
		1141	is a client socket. Exti commands can be received anytime, even before
		1142	log-in.
		1143
		1144	If the callback returns something, it is sent back as if reply was being
		1145	called.
		1146
849	=cut	1147	=cut
850		1148
851	sub register_extcmd {	1149	sub register_extcmd {
852	my ($name, $cb) = @_;	1150	my ($name, $cb) = @_;
853		1151
854	$EXTCMD{$name} = $cb;	1152	$EXTCMD{$name} = $cb;
		1153	}
		1154
		1155	sub register_exticmd {
		1156	my ($name, $cb) = @_;
		1157
		1158	$EXTICMD{$name} = $cb;
855	}	1159	}
856		1160
857	cf::player->attach (	1161	cf::player->attach (
858	on_command => sub {	1162	on_command => sub {
859	my ($pl, $name, $params) = @_;	1163	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1172	cf::override;
869	},	1173	},
870	on_extcmd => sub {	1174	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1175	my ($pl, $buf) = @_;
872		1176
873	my $msg = eval { from_json $buf };	1177	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1178
875	if (ref $msg) {	1179	if (ref $msg) {
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1180	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
877	if (my %reply = $cb->($pl, $msg)) {	1181	if (my %reply = $cb->($pl, $msg)) {
878	$pl->ext_reply ($msg->{msgid}, %reply);	1182	$pl->ext_reply ($msg->{msgid}, %reply);
…		…
884		1188
885	cf::override;	1189	cf::override;
886	},	1190	},
887	);	1191	);
888		1192
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 {	1193	sub load_extensions {
		1194	cf::sync_job {
		1195	my %todo;
		1196
924	for my $ext (<$LIBDIR/*.ext>) {	1197	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1198	next unless -r $path;
926	eval {	1199
927	load_extension $ext;	1200	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1201	my $base = $1;
		1202	my $pkg = $1;
		1203	$pkg =~ s/[^[:word:]]/_/g;
		1204	$pkg = "ext::$pkg";
		1205
		1206	open my $fh, "<:utf8", $path
		1207	or die "$path: $!";
		1208
		1209	my $source = do { local $/; <$fh> };
		1210
		1211	my %ext = (
		1212	path => $path,
		1213	base => $base,
		1214	pkg => $pkg,
		1215	);
		1216
		1217	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1218	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1219
		1220	$ext{source} =
		1221	"package $pkg; use strict; use utf8;\n"
		1222	. "#line 1 \"$path\"\n{\n"
		1223	. $source
		1224	. "\n};\n1";
		1225
		1226	$todo{$base} = \%ext;
		1227	}
		1228
		1229	my %done;
		1230	while (%todo) {
		1231	my $progress;
		1232
		1233	while (my ($k, $v) = each %todo) {
		1234	for (split /,\s*/, $v->{meta}{depends}) {
		1235	goto skip
		1236	unless exists $done{$_};
		1237	}
		1238
		1239	warn "... loading '$k' into '$v->{pkg}'\n";
		1240
		1241	unless (eval $v->{source}) {
		1242	my $msg = $@ ? "$v->{path}: $@\n"
		1243	: "$v->{base}: extension inactive.\n";
		1244
		1245	if (exists $v->{meta}{mandatory}) {
		1246	warn $msg;
		1247	warn "mandatory extension failed to load, exiting.\n";
		1248	exit 1;
		1249	}
		1250
		1251	warn $msg;
		1252	}
		1253
		1254	$done{$k} = delete $todo{$k};
		1255	push @EXTS, $v->{pkg};
		1256	$progress = 1;
928	1	1257	}
929	} or warn "$ext not loaded: $@";	1258
		1259	skip:
		1260	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1261	unless $progress;
		1262	}
930	}	1263	};
931	}	1264	}
932		1265
933	#############################################################################	1266	#############################################################################
934		1267
		1268	=back
		1269
935	=head2 CORE EXTENSIONS	1270	=head2 CORE EXTENSIONS
936		1271
937	Functions and methods that extend core crossfire objects.	1272	Functions and methods that extend core crossfire objects.
938		1273
939	=cut	1274	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1286	Returns the given player object, loading it if necessary (might block).
952		1287
953	=cut	1288	=cut
954		1289
955	sub playerdir($) {	1290	sub playerdir($) {
956	cf::localdir	1291	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1292	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1293	}
962		1294
963	sub path($) {	1295	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1296	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1297
966	(playerdir $login) . "/$login.pl"	1298	(playerdir $login) . "/playerdata"
967	}	1299	}
968		1300
969	sub find_active($) {	1301	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1302	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1303	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1316	my $login = $_[0];
985		1317
986	my $guard = cf::lock_acquire "user_find:$login";	1318	my $guard = cf::lock_acquire "user_find:$login";
987		1319
988	$cf::PLAYER{$_[0]} || do {	1320	$cf::PLAYER{$_[0]} || do {
		1321	# rename old playerfiles to new ones
		1322	#TODO: remove when no longer required
		1323	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1324	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1325	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1326	aio_unlink +(playerdir $login) . "/$login.pl";
		1327
989	my $pl = load_pl path $login	1328	my $pl = load_pl path $login
990	or return;	1329	or return;
991	$cf::PLAYER{$login} = $pl	1330	$cf::PLAYER{$login} = $pl
992	}	1331	}
993	}	1332	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1416	while and may block, so not sync_job-capable, ever.
1078		1417
1079	=cut	1418	=cut
1080		1419
1081	sub list_logins {	1420	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1421	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1422	or return [];
1084		1423
1085	my @logins;	1424	my @logins;
1086		1425
1087	for my $login (@$dirs) {	1426	for my $login (@$dirs) {
…		…
1122	}	1461	}
1123		1462
1124	\@paths	1463	\@paths
1125	}	1464	}
1126		1465
		1466	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1467
		1468	Expand crossfire pod fragments into protocol xml.
		1469
		1470	=cut
		1471
		1472	sub expand_cfpod {
		1473	((my $self), (local $_)) = @_;
		1474
		1475	# escape & and <
		1476	s/&/&amp;/g;
		1477	s/(?<![BIUGH])</&lt;/g;
		1478
		1479	# this is buggy, it needs to properly take care of nested <'s
		1480
		1481	1 while
		1482	# replace B<>, I<>, U<> etc.
		1483	s/B<([^\>]*)>/<b>$1<\/b>/
		1484	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1485	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1486	# replace G<male|female> tags
		1487	|| s{G<([^>|]*)\|([^>]*)>}{
		1488	$self->gender ? $2 : $1
		1489	}ge
		1490	# replace H<hint text>
		1491	|| s{H<([^\>]*)>}
		1492	{
		1493	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1494	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1495	"")
		1496	[$self->{hintmode}]
		1497	}ge;
		1498
		1499	# create single paragraphs (very hackish)
		1500	s/(?<=\S)\n(?=\w)/ /g;
		1501
		1502	# compress some whitespace
		1503	s/\s+\n/\n/g; # ws line-ends
		1504	s/\n\n+/\n/g; # double lines
		1505	s/^\n+//; # beginning lines
		1506	s/\n+$//; # ending lines
		1507
		1508	$_
		1509	}
		1510
		1511	sub hintmode {
		1512	$_[0]{hintmode} = $_[1] if @_ > 1;
		1513	$_[0]{hintmode}
		1514	}
		1515
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1516	=item $player->ext_reply ($msgid, %msg)
1128		1517
1129	Sends an ext reply to the player.	1518	Sends an ext reply to the player.
1130		1519
1131	=cut	1520	=cut
1132		1521
1133	sub ext_reply($$$%) {	1522	sub ext_reply($$%) {
1134	my ($self, $id, %msg) = @_;	1523	my ($self, $id, %msg) = @_;
1135		1524
1136	$msg{msgid} = $id;	1525	$msg{msgid} = $id;
1137		1526	$self->send ("ext " . $self->ns->{json_coder}->encode (\%msg));
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1527	}
1140		1528
1141	package cf;	1529	=item $player->ext_event ($type, %msg)
		1530
		1531	Sends an ext event to the client.
		1532
		1533	=cut
		1534
		1535	sub ext_event($$%) {
		1536	my ($self, $type, %msg) = @_;
		1537
		1538	$self->ns->ext_event ($type, %msg);
		1539	}
		1540
		1541	=head3 cf::region
		1542
		1543	=over 4
		1544
		1545	=cut
		1546
		1547	package cf::region;
		1548
		1549	=item cf::region::find_by_path $path
		1550
		1551	Tries to decuce the likely region for a map knowing only its path.
		1552
		1553	=cut
		1554
		1555	sub find_by_path($) {
		1556	my ($path) = @_;
		1557
		1558	my ($match, $specificity);
		1559
		1560	for my $region (list) {
		1561	if ($region->{match} && $path =~ $region->{match}) {
		1562	($match, $specificity) = ($region, $region->specificity)
		1563	if $region->specificity > $specificity;
		1564	}
		1565	}
		1566
		1567	$match
		1568	}
1142		1569
1143	=back	1570	=back
1144
1145		1571
1146	=head3 cf::map	1572	=head3 cf::map
1147		1573
1148	=over 4	1574	=over 4
1149		1575
…		…
1204	my ($self, $merge) = @_;	1630	my ($self, $merge) = @_;
1205		1631
1206	# we have to keep some variables in memory intact	1632	# we have to keep some variables in memory intact
1207	local $self->{path};	1633	local $self->{path};
1208	local $self->{load_path};	1634	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1635
1212	$self->SUPER::thawer_merge ($merge);	1636	$self->SUPER::thawer_merge ($merge);
1213	}	1637	}
1214		1638
1215	sub normalise {	1639	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1686	$self->init; # pass $1 etc.
1263	return $self;	1687	return $self;
1264	}	1688	}
1265	}	1689	}
1266		1690
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1691	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1692	()
1269	}	1693	}
1270		1694
1271	sub init {	1695	sub init {
1272	my ($self) = @_;	1696	my ($self) = @_;
…		…
1287		1711
1288	# the original (read-only) location	1712	# the original (read-only) location
1289	sub load_path {	1713	sub load_path {
1290	my ($self) = @_;	1714	my ($self) = @_;
1291		1715
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1716	"$MAPDIR/$self->{path}.map"
1293	}	1717	}
1294		1718
1295	# the temporary/swap location	1719	# the temporary/swap location
1296	sub save_path {	1720	sub save_path {
1297	my ($self) = @_;	1721	my ($self) = @_;
1298		1722
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1723	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1724	"$TMPDIR/$path.map"
1301	}	1725	}
1302		1726
1303	# the unique path, undef == no special unique path	1727	# the unique path, undef == no special unique path
1304	sub uniq_path {	1728	sub uniq_path {
1305	my ($self) = @_;	1729	my ($self) = @_;
1306		1730
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1731	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1732	"$UNIQUEDIR/$path"
1309	}	1733	}
1310		1734
1311	# and all this just because we cannot iterate over	1735	# and all this just because we cannot iterate over
1312	# all maps in C++...	1736	# all maps in C++...
1313	sub change_all_map_light {	1737	sub change_all_map_light {
1314	my ($change) = @_;	1738	my ($change) = @_;
1315		1739
1316	$_->change_map_light ($change)	1740	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1741	for grep $_->outdoor, values %cf::MAP;
		1742	}
		1743
		1744	sub decay_objects {
		1745	my ($self) = @_;
		1746
		1747	return if $self->{deny_reset};
		1748
		1749	$self->do_decay_objects;
1318	}	1750	}
1319		1751
1320	sub unlink_save {	1752	sub unlink_save {
1321	my ($self) = @_;	1753	my ($self) = @_;
1322		1754
…		…
1380	$self->load_header_orig	1812	$self->load_header_orig
1381	or return;	1813	or return;
1382	$self->prepare_orig;	1814	$self->prepare_orig;
1383	}	1815	}
1384		1816
		1817	$self->{deny_reset} = 1
		1818	if $self->no_reset;
		1819
		1820	$self->default_region (cf::region::find_by_path $self->{path})
		1821	unless $self->default_region;
		1822
1385	1	1823	1
1386	}	1824	}
1387		1825
1388	sub find;	1826	sub find;
1389	sub find {	1827	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1839	$map->{last_save} = $cf::RUNTIME;
1402		1840
1403	$map->load_header	1841	$map->load_header
1404	or return;	1842	or return;
1405		1843
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1844	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1845	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1846	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1847	$map->reset;
1410	undef $guard;	1848	undef $guard;
1411	return find $path;	1849	return find $path;
…		…
1422	my ($self) = @_;	1860	my ($self) = @_;
1423		1861
1424	local $self->{deny_reset} = 1; # loading can take a long time	1862	local $self->{deny_reset} = 1; # loading can take a long time
1425		1863
1426	my $path = $self->{path};	1864	my $path = $self->{path};
		1865
		1866	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1867	my $guard = cf::lock_acquire "map_load:$path";
1428		1868
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1869	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1870
1431	$self->in_memory (cf::MAP_LOADING);	1871	$self->in_memory (cf::MAP_LOADING);
1432		1872
1433	$self->alloc;	1873	$self->alloc;
1434		1874
1435	$self->pre_load;	1875	$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;	1876	Coro::cede;
1461	$self->set_darkness_map;	1877
		1878	$self->_load_objects ($self->{load_path}, 1)
		1879	or return;
		1880
		1881	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1882	if delete $self->{load_original};
		1883
		1884	if (my $uniq = $self->uniq_path) {
		1885	utf8::encode $uniq;
		1886	if (aio_open $uniq, O_RDONLY, 0) {
		1887	$self->clear_unique_items;
		1888	$self->_load_objects ($uniq, 0);
		1889	}
		1890	}
		1891
		1892	Coro::cede;
		1893	# now do the right thing for maps
		1894	$self->link_multipart_objects;
1462	$self->difficulty ($self->estimate_difficulty)	1895	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1896	unless $self->difficulty;
1464	Coro::cede;	1897	Coro::cede;
		1898
		1899	unless ($self->{deny_activate}) {
		1900	$self->decay_objects;
		1901	$self->fix_auto_apply;
		1902	$self->update_buttons;
		1903	Coro::cede;
		1904	$self->set_darkness_map;
		1905	Coro::cede;
1465	$self->activate;	1906	$self->activate;
		1907	}
		1908
		1909	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1910	}
1467		1911
1468	$self->post_load;	1912	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1913	}
1472		1914
1473	sub customise_for {	1915	sub customise_for {
1474	my ($self, $ob) = @_;	1916	my ($self, $ob) = @_;
1475		1917
1476	return find "~" . $ob->name . "/" . $self->{path}	1918	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1919	if $self->per_player;
		1920
		1921	# return find "?party/" . $ob->name . "/" . $self->{path}
		1922	# if $self->per_party;
1478		1923
1479	$self	1924	$self
1480	}	1925	}
1481		1926
1482	# find and load all maps in the 3x3 area around a map	1927	# find and load all maps in the 3x3 area around a map
…		…
1529		1974
1530	undef $MAP_PREFETCH{$path};	1975	undef $MAP_PREFETCH{$path};
1531	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	1978	for my $path (keys %MAP_PREFETCH) {
1534	my $map = find $path	1979	if (my $map = find $path) {
1535	or next;
1536	$map->load;	1980	$map->load;
		1981	}
1537		1982
1538	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$path};
1539	}	1984	}
1540	}	1985	}
1541	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
…		…
1593		2038
1594	sub reset_at {	2039	sub reset_at {
1595	my ($self) = @_;	2040	my ($self) = @_;
1596		2041
1597	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1600		2044
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2047
…		…
1614	my ($self) = @_;	2058	my ($self) = @_;
1615		2059
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2061
1618	return if $self->players;	2062	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2063
1621	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1622		2065
1623	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1624		2067
1625	# need to save uniques path	2068	# need to save uniques path
1626	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	2101	$cf::MAP{$self->path} = $self;
1659		2102
1660	$self->reset; # polite request, might not happen	2103	$self->reset; # polite request, might not happen
1661	}	2104	}
1662		2105
		2106	=item $maps = cf::map::tmp_maps
		2107
		2108	Returns an arrayref with all map paths of currently instantiated and saved
		2109	maps. May block.
		2110
		2111	=cut
		2112
		2113	sub tmp_maps() {
		2114	[
		2115	map {
		2116	utf8::decode $_;
		2117	/\.map$/
		2118	? normalise $_
		2119	: ()
		2120	} @{ aio_readdir $TMPDIR or [] }
		2121	]
		2122	}
		2123
		2124	=item $maps = cf::map::random_maps
		2125
		2126	Returns an arrayref with all map paths of currently instantiated and saved
		2127	random maps. May block.
		2128
		2129	=cut
		2130
		2131	sub random_maps() {
		2132	[
		2133	map {
		2134	utf8::decode $_;
		2135	/\.map$/
		2136	? normalise "?random/$_"
		2137	: ()
		2138	} @{ aio_readdir $RANDOMDIR or [] }
		2139	]
		2140	}
		2141
1663	=item cf::map::unique_maps	2142	=item cf::map::unique_maps
1664		2143
1665	Returns an arrayref of paths of all shared maps that have	2144	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2145	instantiated unique items. May block.
1667		2146
1668	=cut	2147	=cut
1669		2148
1670	sub unique_maps() {	2149	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2150	[
1672	or return;	2151	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2152	utf8::decode $_;
1678	next if /\.pst$/;	2153	/\.map$/
1679	next unless /^$PATH_SEP/o;	2154	? normalise $_
1680		2155	: ()
1681	push @paths, cf::map::normalise $_;	2156	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2157	]
1683
1684	\@paths
1685	}	2158	}
1686		2159
1687	package cf;	2160	package cf;
1688		2161
1689	=back	2162	=back
…		…
1735		2208
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2209	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2210
1738	if ($self->{record_replies}) {	2211	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2212	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2213
1740	} else {	2214	} else {
		2215	my $pl = $self->contr;
		2216
		2217	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2218	my $diag = $pl->{npc_dialog};
		2219	$diag->{pl}->ext_reply (
		2220	$diag->{id},
		2221	msgtype => "reply",
		2222	msg => $diag->{pl}->expand_cfpod ($msg),
		2223	add_topics => []
		2224	);
		2225
		2226	} else {
1741	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1743	}	2230	}
1744	}	2231	}
1745		2232
1746	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1747		2234
…		…
1795	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1796		2283
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2285
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1801		2288
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2290	}
1804		2291
1805	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1807		2296
1808	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1809		2298
1810	unless ($map) {	2299	unless ($map) {
1811	# restore original map position	2300	# restore original map position
…		…
1834		2323
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1837	}	2326	}
1838		2327
1839	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2329
1843	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1847	};	2334	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1874		2339
1875	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1876	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1877		2345
1878	$self->enter_link;	2346	$self->enter_link;
1879		2347
1880	(async {	2348	(async {
1881	my $map = eval {	2349	my $map = eval {
1882	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1883	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1884	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1885	} or	2365	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1889	})->prio (1);	2373	})->prio (1);
1890	}	2374	}
1891		2375
1892	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1893		2377
…		…
1932		2416
1933	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1934		2418
1935	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1938		2422
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2425	undef $fh;
1942	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1951		2435
1952	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1953		2437
1954	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1957	}	2443	}
1958		2444
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1962		2448
1963	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1964		2454
1965	(async {	2455	(async {
1966	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2457	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1969		2459
1970	1;	2460	1;
1971	}) {	2461	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2466
1977	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2468	$self->leave_link;
1979	}	2469	}
1980	})->prio (1);	2470	})->prio (1);
…		…
1993		2483
1994	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1996		2486
1997	utf8::encode $text;	2487	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2489	}
2000		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= ~cf::NDI_UNIQUE; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_event (channel_info => %$channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2521	} else {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	if ($color >= 0) {
		2533	if (0 && $msg =~ /\[/) {
		2534	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2535	} else {
		2536	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2537	$self->send_packet ("drawinfo $color $msg")
		2538	}
		2539	}
		2540	}
		2541	}
		2542
		2543	=item $client->ext_event ($type, %msg)
		2544
		2545	Sends an ext event to the client.
		2546
		2547	=cut
		2548
		2549	sub cf::client::ext_event($$%) {
		2550	my ($self, $type, %msg) = @_;
		2551
		2552	return unless $self->extcmd;
		2553
		2554	$msg{msgtype} = "event_$type";
		2555	$self->send_packet ("ext " . $self->{json_coder}->encode (\%msg));
		2556	}
2001		2557
2002	=item $success = $client->query ($flags, "text", \&cb)	2558	=item $success = $client->query ($flags, "text", \&cb)
2003		2559
2004	Queues a query to the client, calling the given callback with	2560	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>,	2561	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>.	2562	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2563
2008	Queries can fail, so check the return code. Or don't, as queries will become	2564	Queries can fail, so check the return code. Or don't, as queries will
2009	reliable at some point in the future.	2565	become reliable at some point in the future.
2010		2566
2011	=cut	2567	=cut
2012		2568
2013	sub cf::client::query {	2569	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2570	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2578	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2579	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2580
2025	$self->send_packet ($self->{query_queue}[0][0])	2581	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2582	if @{ $self->{query_queue} } == 1;
		2583
		2584	1
2027	}	2585	}
2028		2586
2029	cf::client->attach (	2587	cf::client->attach (
		2588	on_connect => sub {
		2589	my ($ns) = @_;
		2590
		2591	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2592	},
2030	on_reply => sub {	2593	on_reply => sub {
2031	my ($ns, $msg) = @_;	2594	my ($ns, $msg) = @_;
2032		2595
2033	# this weird shuffling is so that direct followup queries	2596	# this weird shuffling is so that direct followup queries
2034	# get handled first	2597	# get handled first
…		…
2046	} else {	2609	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2610	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2611	}
2049	}	2612	}
2050	},	2613	},
		2614	on_exticmd => sub {
		2615	my ($ns, $buf) = @_;
		2616
		2617	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2618
		2619	if (ref $msg) {
		2620	if (my $cb = $EXTICMD{$msg->{msgtype}}) {
		2621	if (my %reply = $cb->($ns, $msg)) {
		2622	$reply{msgid} = $msg->{msgid};
		2623	$ns->send ("ext " . $ns->{json_coder}->encode (\%reply));
		2624	}
		2625	}
		2626	} else {
		2627	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2628	}
		2629
		2630	cf::override;
		2631	},
2051	);	2632	);
2052		2633
2053	=item $client->async (\&cb)	2634	=item $client->async (\&cb)
2054		2635
2055	Create a new coroutine, running the specified callback. The coroutine will	2636	Create a new coroutine, running the specified callback. The coroutine will
…		…
2102		2683
2103	# here we export the classes and methods available to script code	2684	# here we export the classes and methods available to script code
2104		2685
2105	=pod	2686	=pod
2106		2687
2107	The following fucntions and emthods are available within a safe environment:	2688	The following functions and methods are available within a safe environment:
2108		2689
2109	cf::object contr pay_amount pay_player map	2690	cf::object
		2691	contr pay_amount pay_player map x y force_find force_add
		2692	insert remove
		2693
2110	cf::object::player player	2694	cf::object::player
2111	cf::player peaceful	2695	player
2112	cf::map trigger	2696
		2697	cf::player
		2698	peaceful
		2699
		2700	cf::map
		2701	trigger
2113		2702
2114	=cut	2703	=cut
2115		2704
2116	for (	2705	for (
2117	["cf::object" => qw(contr pay_amount pay_player map)],	2706	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2707	insert remove)],
2118	["cf::object::player" => qw(player)],	2708	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2709	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2710	["cf::map" => qw(trigger)],
2121	) {	2711	) {
2122	no strict 'refs';	2712	no strict 'refs';
…		…
2193	=back	2783	=back
2194		2784
2195	=cut	2785	=cut
2196		2786
2197	#############################################################################	2787	#############################################################################
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	2788	# the server's init and main functions
2271		2789
2272	sub load_faces {	2790	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2791	my ($path) = @_;
2274		2792
2275	warn "loading faces from $path\n";	2793	warn "loading facedata from $path\n";
2276		2794
2277	my $faces;	2795	my $facedata;
2278	0 < aio_load $path, $faces	2796	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2797	or die "$path: $!";
2280		2798
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2799	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2800
		2801	$facedata->{version} == 2
		2802	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2803
		2804	{
		2805	my $faces = $facedata->{faceinfo};
		2806
2285	while (my ($face, $info) = each %$faces) {	2807	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2808	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2809	cf::face::set_visibility $idx, $info->{visibility};
		2810	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2811	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289	Coro::cede;	2812	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2813
		2814	cf::cede_to_tick;
		2815	}
		2816
		2817	while (my ($face, $info) = each %$faces) {
		2818	next unless $info->{smooth};
		2819	my $idx = cf::face::find $face
		2820	or next;
		2821	if (my $smooth = cf::face::find $info->{smooth}) {
		2822	cf::face::set_smooth $idx, $smooth;
		2823	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2824	} else {
		2825	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2826	}
		2827
		2828	cf::cede_to_tick;
		2829	}
		2830	}
		2831
		2832	{
		2833	my $anims = $facedata->{animinfo};
		2834
		2835	while (my ($anim, $info) = each %$anims) {
		2836	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	cf::anim::invalidate_all; # d'oh
		2841	}
		2842
		2843	{
		2844	# TODO: for gcfclient pleasure, we should give resources
		2845	# that gcfclient doesn't grok a >10000 face index.
		2846	my $res = $facedata->{resource};
		2847	my $enc = JSON::XS->new->utf8->canonical;
		2848
		2849	while (my ($name, $info) = each %$res) {
		2850	my $meta = $enc->encode ({
		2851	name => $name,
		2852	type => $info->{type},
		2853	copyright => $info->{copyright}, #TODO#
		2854	});
		2855
		2856	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2857
		2858	if ($name =~ /\.jpg$/) {
		2859	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2860	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2861	} else {
		2862	my $data = pack "(w/a*)*", $meta, $info->{data};
		2863	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2864
		2865	cf::face::set_type $idx, 1;
		2866	cf::face::set_data $idx, 0, $data, $chk;
		2867	}
		2868
		2869	cf::cede_to_tick;
		2870	}
2290	}	2871	}
2291		2872
2292	1	2873	1
2293	}	2874	}
2294		2875
		2876	sub reload_regions {
		2877	load_resource_file "$MAPDIR/regions"
		2878	or die "unable to load regions file\n";
		2879
		2880	for (cf::region::list) {
		2881	$_->{match} = qr/$_->{match}/
		2882	if exists $_->{match};
		2883	}
		2884	}
		2885
		2886	sub reload_facedata {
		2887	load_facedata "$DATADIR/facedata"
		2888	or die "unable to load facedata\n";
		2889	}
		2890
		2891	sub reload_archetypes {
		2892	load_resource_file "$DATADIR/archetypes"
		2893	or die "unable to load archetypes\n";
		2894	#d# NEED to laod twice to resolve forward references
		2895	# this really needs to be done in an extra post-pass
		2896	# (which needs to be synchronous, so solve it differently)
		2897	load_resource_file "$DATADIR/archetypes"
		2898	or die "unable to load archetypes\n";
		2899	}
		2900
		2901	sub reload_treasures {
		2902	load_resource_file "$DATADIR/treasures"
		2903	or die "unable to load treasurelists\n";
		2904	}
		2905
2295	sub reload_resources {	2906	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2907	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2908
		2909	reload_regions;
2298	load_faces	2910	reload_facedata;
2299	or die "unable to load faces\n";#d#	2911	#reload_archetypes;#d#
		2912	reload_archetypes;
		2913	reload_treasures;
		2914
		2915	warn "finished reloading resource files\n";
2300	}	2916	}
2301		2917
2302	sub init {	2918	sub init {
2303	reload_resources;	2919	reload_resources;
2304	}	2920	}
2305		2921
2306	sub cfg_load {	2922	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2923	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2924	or return;
2309		2925
2310	local $/;	2926	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2927	*CFG = YAML::Syck::Load <$fh>;
2312		2928
…		…
2357	},	2973	},
2358	);	2974	);
2359	}	2975	}
2360	}	2976	}
2361		2977
		2978	sub write_runtime {
		2979	my $runtime = "$LOCALDIR/runtime";
		2980
		2981	# first touch the runtime file to show we are still running:
		2982	# the fsync below can take a very very long time.
		2983
		2984	IO::AIO::aio_utime $runtime, undef, undef;
		2985
		2986	my $guard = cf::lock_acquire "write_runtime";
		2987
		2988	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		2989	or return;
		2990
		2991	my $value = $cf::RUNTIME + 90 + 10;
		2992	# 10 is the runtime save interval, for a monotonic clock
		2993	# 60 allows for the watchdog to kill the server.
		2994
		2995	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		2996	and return;
		2997
		2998	# always fsync - this file is important
		2999	aio_fsync $fh
		3000	and return;
		3001
		3002	# touch it again to show we are up-to-date
		3003	aio_utime $fh, undef, undef;
		3004
		3005	close $fh
		3006	or return;
		3007
		3008	aio_rename "$runtime~", $runtime
		3009	and return;
		3010
		3011	warn "runtime file written.\n";
		3012
		3013	1
		3014	}
		3015
2362	sub emergency_save() {	3016	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3017	my $freeze_guard = cf::freeze_mainloop;
2364		3018
2365	warn "enter emergency perl save\n";	3019	warn "enter emergency perl save\n";
2366		3020
…		…
2397		3051
2398	warn Carp::longmess "post_cleanup backtrace"	3052	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3053	if $make_core;
2400	}	3054	}
2401		3055
2402	sub reload() {	3056	sub do_reload_perl() {
2403	# can/must only be called in main	3057	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3058	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3059	warn "can only reload from main coroutine";
2406	return;	3060	return;
2407	}	3061	}
…		…
2441	%EXT_CORO = ();	3095	%EXT_CORO = ();
2442		3096
2443	warn "removing commands";	3097	warn "removing commands";
2444	%COMMAND = ();	3098	%COMMAND = ();
2445		3099
2446	warn "removing ext commands";	3100	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3101	%EXTCMD = ();
		3102	%EXTICMD = ();
2448		3103
2449	warn "unloading/nuking all extensions";	3104	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3105	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3106	warn "... unloading $pkg";
2452		3107
…		…
2482	Symbol::delete_package "safe::$_"	3137	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3138	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3139
2485	warn "unloading cf.pm \"a bit\"";	3140	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3141	delete $INC{"cf.pm"};
		3142	delete $INC{"cf/pod.pm"};
2487		3143
2488	# don't, removes xs symbols, too,	3144	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3145	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3146	#Symbol::delete_package __PACKAGE__;
2491		3147
…		…
2506	warn "reattaching attachments to maps";	3162	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3163	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3164	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3165	reattach $_ for values %PLAYER;
2510		3166
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3167	warn "leaving sync_job";
2515		3168
2516	1	3169	1
2517	} or do {	3170	} or do {
2518	warn $@;	3171	warn $@;
…		…
2523	warn "reloaded";	3176	warn "reloaded";
2524	};	3177	};
2525		3178
2526	our $RELOAD_WATCHER; # used only during reload	3179	our $RELOAD_WATCHER; # used only during reload
2527		3180
		3181	sub reload_perl() {
		3182	# doing reload synchronously and two reloads happen back-to-back,
		3183	# coro crashes during coro_state_free->destroy here.
		3184
		3185	$RELOAD_WATCHER ||= Event->timer (
		3186	reentrant => 0,
		3187	after => 0,
		3188	data => WF_AUTOCANCEL,
		3189	cb => sub {
		3190	do_reload_perl;
		3191	undef $RELOAD_WATCHER;
		3192	},
		3193	);
		3194	}
		3195
2528	register_command "reload" => sub {	3196	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3197	my ($who, $arg) = @_;
2530		3198
2531	if ($who->flag (FLAG_WIZ)) {	3199	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3200	$who->message ("reloading server.");
2533		3201	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	}	3202	}
2547	};	3203	};
2548		3204
2549	unshift @INC, $LIBDIR;	3205	unshift @INC, $LIBDIR;
2550		3206
2551	my $bug_warning = 0;	3207	my $bug_warning = 0;
2552		3208
		3209	our @WAIT_FOR_TICK;
		3210	our @WAIT_FOR_TICK_BEGIN;
		3211
		3212	sub wait_for_tick {
		3213	return unless $TICK_WATCHER->is_active;
		3214	return if $Coro::current == $Coro::main;
		3215
		3216	my $signal = new Coro::Signal;
		3217	push @WAIT_FOR_TICK, $signal;
		3218	$signal->wait;
		3219	}
		3220
		3221	sub wait_for_tick_begin {
		3222	return unless $TICK_WATCHER->is_active;
		3223	return if $Coro::current == $Coro::main;
		3224
		3225	my $signal = new Coro::Signal;
		3226	push @WAIT_FOR_TICK_BEGIN, $signal;
		3227	$signal->wait;
		3228	}
		3229
		3230	my $min = 1e6;#d#
		3231	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3232	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3233	reentrant => 0,
2555	parked => 1,	3234	parked => 1,
2556	prio => 0,	3235	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3236	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3240	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3241	unless ++$bug_warning > 10;
2563	return;	3242	return;
2564	}	3243	}
2565		3244
2566	$NOW = Event::time;	3245	$NOW = $tick_start = Event::time;
2567		3246
2568	cf::server_tick; # one server iteration	3247	cf::server_tick; # one server iteration
		3248
		3249	0 && sync_job {#d#
		3250	for(1..10) {
		3251	my $t = Event::time;
		3252	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3253	or die;
		3254
		3255	$map->width (50);
		3256	$map->height (50);
		3257	$map->alloc;
		3258	$map->_load_objects ("/tmp/x.map", 1);
		3259	my $t = Event::time - $t;
		3260
		3261	#next unless $t < 0.0013;#d#
		3262	if ($t < $min) {
		3263	$min = $t;
		3264	}
		3265	$avg = $avg * 0.99 + $t * 0.01;
		3266	}
		3267	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3268	exit 0;
		3269	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3270	};
		3271
2569	$RUNTIME += $TICK;	3272	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3273	$NEXT_TICK += $TICK;
2571		3274
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3275	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3276	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3278	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3279	or warn "ERROR: unable to write runtime file: $!";
2577	};	3280	};
2578	}	3281	}
2579		3282
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3283	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3284	# warn $AFTER - $NOW;#d#
2585		3285
		3286	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3287	$sig->send;
		3288	}
		3289	while (my $sig = shift @WAIT_FOR_TICK) {
		3290	$sig->send;
		3291	}
		3292
		3293	$NOW = Event::time;
		3294
2586	# if we are delayed by four ticks or more, skip them all	3295	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3296	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3297
2589	$TICK_WATCHER->at ($NEXT_TICK);	3298	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3299	$TICK_WATCHER->start;
		3300
		3301	$LOAD = ($NOW - $tick_start) / $TICK;
		3302	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3303
		3304	_post_tick;
		3305
		3306
2591	},	3307	},
2592	);	3308	);
2593		3309
2594	{	3310	{
2595	BDB::max_poll_time $TICK * 0.1;	3311	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3339
2624	cf::sync_job {	3340	cf::sync_job {
2625	eval {	3341	eval {
2626	BDB::db_env_open	3342	BDB::db_env_open
2627	$DB_ENV,	3343	$DB_ENV,
2628	$BDB_ENV_DIR,	3344	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3345	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3346	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3347	0666;
2632		3348
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3349	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3350
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3351	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3352	$DB_ENV->set_lk_detect;
2637	};	3353	};
2638		3354
…		…
2654	prio => 6,	3370	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3371	cb => \&IO::AIO::poll_cb,
2656	);	3372	);
2657	}	3373	}
2658		3374
		3375	my $_log_backtrace;
		3376
		3377	sub _log_backtrace {
		3378	my ($msg, @addr) = @_;
		3379
		3380	$msg =~ s/\n//;
		3381
		3382	# limit the # of concurrent backtraces
		3383	if ($_log_backtrace < 2) {
		3384	++$_log_backtrace;
		3385	async {
		3386	my @bt = fork_call {
		3387	@addr = map { sprintf "%x", $_ } @addr;
		3388	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3389	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3390	or die "addr2line: $!";
		3391
		3392	my @funcs;
		3393	my @res = <$fh>;
		3394	chomp for @res;
		3395	while (@res) {
		3396	my ($func, $line) = splice @res, 0, 2, ();
		3397	push @funcs, "[$func] $line";
		3398	}
		3399
		3400	@funcs
		3401	};
		3402
		3403	LOG llevInfo, "[ABT] $msg\n";
		3404	LOG llevInfo, "[ABT] $_\n" for @bt;
		3405	--$_log_backtrace;
		3406	};
		3407	} else {
		3408	LOG llevInfo, "[ABT] $msg\n";
		3409	LOG llevInfo, "[ABT] [suppressed]\n";
		3410	}
		3411	}
		3412
		3413	# load additional modules
		3414	use cf::pod;
		3415
2659	END { cf::emergency_save }	3416	END { cf::emergency_save }
2660		3417
2661	1	3418	1
2662		3419

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines