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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.320 by root, Tue Jul 24 22:49:40 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
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	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(!)
52	our $TICK_WATCHER;	76	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	79	our $NEXT_TICK;
56	our $NOW;	80	our $NOW;
…		…
65	our $RUNTIME;	89	our $RUNTIME;
66		90
67	our %PLAYER; # all users	91	our %PLAYER; # all users
68	our %MAP; # all maps	92	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		94
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		101
79	binmode STDOUT;	102	binmode STDOUT;
80	binmode STDERR;	103	binmode STDERR;
81		104
82	# read virtual server time, if available	105	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
87	}	110	}
88		111
89	mkdir cf::localdir;	112	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		114
96	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
97		116
98	sub cf::map::normalise;	117	sub cf::map::normalise;
99		118
…		…
110	=item $cf::RUNTIME	129	=item $cf::RUNTIME
111		130
112	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
113	every server tick.	132	every server tick.
114		133
115	=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
116		137
117	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		142
120	=item $cf::NOW	143	=item $cf::NOW
121		144
122	The time of the last (current) server tick.	145	The time of the last (current) server tick.
123		146
124	=item $cf::TICK	147	=item $cf::TICK
125		148
126	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.
127		160
128	=item %cf::CFG	161	=item %cf::CFG
129		162
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	164	from wherever your confdir points to.
132		165
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		167
135	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
136	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
137	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.
138	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.
139		177
140	=back	178	=back
141		179
142	=cut	180	=cut
143		181
144	BEGIN {	182	BEGIN {
145	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	184	my $msg = join "", @_;
147	utf8::encode $msg;
148		185
149	$msg .= "\n"	186	$msg .= "\n"
150	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
151		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
152	LOG llevError, $msg;	192	LOG llevError, $msg;
153	};	193	};
154	}	194	}
155		195
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		203
163	# 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
164	# within the Safe compartment.	205	# within the Safe compartment.
165	for my $pkg (qw(	206	for my $pkg (qw(
166	cf::global cf::attachable	207	cf::global cf::attachable
…		…
174	}	215	}
175		216
176	$Event::DIED = sub {	217	$Event::DIED = sub {
177	warn "error in event callback: @_";	218	warn "error in event callback: @_";
178	};	219	};
		220
		221	#############################################################################
179		222
180	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
181		224
182	=over 4	225	=over 4
183		226
…		…
202	$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;
203	$d	246	$d
204	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
205	}	248	}
206		249
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
210		251
211	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
212		253
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
221		255
222	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
223		257
224	=cut	258	=cut
225		259
226	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
228	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
230		264
231	=item cf::lock_wait $string	265	=item cf::lock_wait $string
232		266
233	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
234		268
…		…
240	returned.	274	returned.
241		275
242	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
243	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
244		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
245	=cut	283	=cut
246		284
247	our %LOCK;	285	our %LOCK;
248		286
249	sub lock_wait($) {	287	sub lock_wait($) {
…		…
266		304
267	Coro::guard {	305	Coro::guard {
268	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
270	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
271	}	315	}
272		316
273	sub freeze_mainloop {	317	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
275		319
…		…
278	};	322	};
279	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
280	$guard	324	$guard
281	}	325	}
282		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
283	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
284		384
285	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
286	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
287	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.
…		…
290		390
291	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
292		392
293	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
294		394
295	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)
296	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
297	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.
298		399
299	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
300	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
301	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
302	fast or be very important.	403	fast or be very important.
…		…
305		406
306	sub sync_job(&) {	407	sub sync_job(&) {
307	my ($job) = @_;	408	my ($job) = @_;
308		409
309	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
310	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
312		415
313	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
325		428
326	while ($busy) {	429	while ($busy) {
327	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
328	}	431	}
329		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
330	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
331	} else {	441	} else {
332	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
333		443
334	$job->()	444	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
354		464
355	$coro	465	$coro
356	}	466	}
357		467
358	sub write_runtime {	468	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		469
361	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.
362		474
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
364	or return;
365		476
366	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
367	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
368	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
369		480	Storable::store_fd $_[0], $fh;
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
371	and return;
372
373	# always fsync - this file is important
374	aio_fsync $fh
375	and return;
376
377	close $fh	481	close $fh;
378	or return;
379		482
380	aio_rename "$runtime~", $runtime	483	$buf
381	and return;	484	}
382		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;
383	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 });
384	}	655	}
385		656
386	=back	657	=back
387		658
388	=cut	659	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
397		668
398	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>
399	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
400	crossfire+).	671	Crossfire TRT).
401		672
402	=over 4	673	=over 4
403		674
404	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
405		676
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
569		840
570	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		845
575	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	847	my $pkg = shift @arg;
577		848
578	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
608	}	879	}
609		880
610	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
611	} else {	882	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	884	}
614		885
615	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
616	}	887	}
617		888
…		…
619	if (ref $_[0]) {	890	if (ref $_[0]) {
620	_object_attach @_;	891	_object_attach @_;
621	} else {	892	} else {
622	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
623	}	894	}
		895	_recalc_want;
624	};	896	};
625		897
626	# all those should be optimised	898	# all those should be optimised
627	sub cf::attachable::detach {	899	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
632	reattach ($obj);	904	reattach ($obj);
633	} else {	905	} else {
634	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
635	}	907	}
		908	_recalc_want;
636	};	909	};
637		910
638	sub cf::attachable::attached {	911	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
640		913
…		…
655	";	928	";
656	die if $@;	929	die if $@;
657	}	930	}
658		931
659	our $override;	932	our $override;
660	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?
661		934
662	sub override {	935	sub override {
663	$override = 1;	936	$override = 1;
664	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
665	}	938	}
666		939
667	sub do_invoke {	940	sub do_invoke {
668	my $event = shift;	941	my $event = shift;
669	my $callbacks = shift;	942	my $callbacks = shift;
670		943
671	@invoke_results = ();	944	@INVOKE_RESULTS = ();
672		945
673	local $override;	946	local $override;
674		947
675	for (@$callbacks) {	948	for (@$callbacks) {
676	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
693		966
694	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
695		968
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		972
700	=back	973	=back
701		974
702	=cut	975	=cut
703		976
704	#############################################################################	977	#############################################################################
705	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
706		990
707	sub reattach {	991	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	993	my ($obj) = @_;
710		994
…		…
813	or return;	1097	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1099	}
816		1100
817	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1103	return ($data, $av);
820	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
821		1111
822	#############################################################################	1112	#############################################################################
823	# command handling &c	1113	# command handling &c
824		1114
825	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1129	}
840		1130
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1132
843	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.
844		1138
845	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
846	called.	1140	called.
847		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
848	=cut	1153	=cut
849		1154
850	sub register_extcmd {	1155	sub register_extcmd {
851	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
852		1157
853	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
854	}	1165	}
855		1166
856	cf::player->attach (	1167	cf::player->attach (
857	on_command => sub {	1168	on_command => sub {
858	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1178	cf::override;
868	},	1179	},
869	on_extcmd => sub {	1180	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
871		1182
872	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1184
874	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
877	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
878	}	1195	if $reply;
879	}	1196	}
880	} else {	1197	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1199	}
883		1200
884	cf::override;	1201	cf::override;
885	},	1202	},
886	);	1203	);
887		1204
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
923	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1210	next unless -r $path;
925	eval {	1211
926	load_extension $ext;	1212	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1213	my $base = $1;
		1214	my $pkg = $1;
		1215	$pkg =~ s/[^[:word:]]/_/g;
		1216	$pkg = "ext::$pkg";
		1217
		1218	open my $fh, "<:utf8", $path
		1219	or die "$path: $!";
		1220
		1221	my $source = do { local $/; <$fh> };
		1222
		1223	my %ext = (
		1224	path => $path,
		1225	base => $base,
		1226	pkg => $pkg,
		1227	);
		1228
		1229	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1230	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1231
		1232	$ext{source} =
		1233	"package $pkg; use strict; use utf8;\n"
		1234	. "#line 1 \"$path\"\n{\n"
		1235	. $source
		1236	. "\n};\n1";
		1237
		1238	$todo{$base} = \%ext;
		1239	}
		1240
		1241	my %done;
		1242	while (%todo) {
		1243	my $progress;
		1244
		1245	while (my ($k, $v) = each %todo) {
		1246	for (split /,\s*/, $v->{meta}{depends}) {
		1247	goto skip
		1248	unless exists $done{$_};
		1249	}
		1250
		1251	warn "... loading '$k' into '$v->{pkg}'\n";
		1252
		1253	unless (eval $v->{source}) {
		1254	my $msg = $@ ? "$v->{path}: $@\n"
		1255	: "$v->{base}: extension inactive.\n";
		1256
		1257	if (exists $v->{meta}{mandatory}) {
		1258	warn $msg;
		1259	warn "mandatory extension failed to load, exiting.\n";
		1260	exit 1;
		1261	}
		1262
		1263	warn $msg;
		1264	}
		1265
		1266	$done{$k} = delete $todo{$k};
		1267	push @EXTS, $v->{pkg};
		1268	$progress = 1;
927	1	1269	}
928	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
929	}	1275	};
930	}	1276	}
931		1277
932	#############################################################################	1278	#############################################################################
933		1279
		1280	=back
		1281
934	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
935		1283
936	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
937		1285
938	=cut	1286	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
951		1299
952	=cut	1300	=cut
953		1301
954	sub playerdir($) {	1302	sub playerdir($) {
955	cf::localdir	1303	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1305	}
961		1306
962	sub path($) {	1307	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1309
965	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
966	}	1311	}
967		1312
968	sub find_active($) {	1313	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1328	my $login = $_[0];
984		1329
985	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
986		1331
987	$cf::PLAYER{$_[0]} || do {	1332	$cf::PLAYER{$_[0]} || do {
		1333	# rename old playerfiles to new ones
		1334	#TODO: remove when no longer required
		1335	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1336	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1337	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1338	aio_unlink +(playerdir $login) . "/$login.pl";
		1339
988	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
989	or return;	1341	or return;
990	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
991	}	1343	}
992	}	1344	}
…		…
1076	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1077		1429
1078	=cut	1430	=cut
1079		1431
1080	sub list_logins {	1432	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1434	or return [];
1083		1435
1084	my @logins;	1436	my @logins;
1085		1437
1086	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1121	}	1473	}
1122		1474
1123	\@paths	1475	\@paths
1124	}	1476	}
1125		1477
		1478	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1479
		1480	Expand crossfire pod fragments into protocol xml.
		1481
		1482	=cut
		1483
		1484	sub expand_cfpod {
		1485	((my $self), (local $_)) = @_;
		1486
		1487	# escape & and <
		1488	s/&/&amp;/g;
		1489	s/(?<![BIUGH])</&lt;/g;
		1490
		1491	# this is buggy, it needs to properly take care of nested <'s
		1492
		1493	1 while
		1494	# replace B<>, I<>, U<> etc.
		1495	s/B<([^\>]*)>/<b>$1<\/b>/
		1496	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1497	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1127		1529
1128	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1129		1531
1130	=cut	1532	=cut
1131		1533
1132	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1134		1536
1135	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1136		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1137	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($self->ns->extcmd == 1) {
		1540	#TODO: version 1, remove
		1541	unshift @msg, msgtype => "reply", msgid => $id;
		1542	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1543	}
1138	}	1544	}
1139		1545
1140	package cf;	1546	=item $player->ext_msg ($type, @msg)
		1547
		1548	Sends an ext event to the client.
		1549
		1550	=cut
		1551
		1552	sub ext_msg($$@) {
		1553	my ($self, $type, @msg) = @_;
		1554
		1555	$self->ns->ext_msg ($type, @msg);
		1556	}
		1557
		1558	=head3 cf::region
		1559
		1560	=over 4
		1561
		1562	=cut
		1563
		1564	package cf::region;
		1565
		1566	=item cf::region::find_by_path $path
		1567
		1568	Tries to decuce the likely region for a map knowing only its path.
		1569
		1570	=cut
		1571
		1572	sub find_by_path($) {
		1573	my ($path) = @_;
		1574
		1575	my ($match, $specificity);
		1576
		1577	for my $region (list) {
		1578	if ($region->{match} && $path =~ $region->{match}) {
		1579	($match, $specificity) = ($region, $region->specificity)
		1580	if $region->specificity > $specificity;
		1581	}
		1582	}
		1583
		1584	$match
		1585	}
1141		1586
1142	=back	1587	=back
1143
1144		1588
1145	=head3 cf::map	1589	=head3 cf::map
1146		1590
1147	=over 4	1591	=over 4
1148		1592
…		…
1203	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1204		1648
1205	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1206	local $self->{path};	1650	local $self->{path};
1207	local $self->{load_path};	1651	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1652
1211	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1212	}	1654	}
1213		1655
1214	sub normalise {	1656	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1262	return $self;	1704	return $self;
1263	}	1705	}
1264	}	1706	}
1265		1707
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1709	()
1268	}	1710	}
1269		1711
1270	sub init {	1712	sub init {
1271	my ($self) = @_;	1713	my ($self) = @_;
…		…
1286		1728
1287	# the original (read-only) location	1729	# the original (read-only) location
1288	sub load_path {	1730	sub load_path {
1289	my ($self) = @_;	1731	my ($self) = @_;
1290		1732
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1292	}	1734	}
1293		1735
1294	# the temporary/swap location	1736	# the temporary/swap location
1295	sub save_path {	1737	sub save_path {
1296	my ($self) = @_;	1738	my ($self) = @_;
1297		1739
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1300	}	1742	}
1301		1743
1302	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1303	sub uniq_path {	1745	sub uniq_path {
1304	my ($self) = @_;	1746	my ($self) = @_;
1305		1747
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1308	}	1750	}
1309		1751
1310	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1311	# all maps in C++...	1753	# all maps in C++...
1312	sub change_all_map_light {	1754	sub change_all_map_light {
1313	my ($change) = @_;	1755	my ($change) = @_;
1314		1756
1315	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1758	for grep $_->outdoor, values %cf::MAP;
		1759	}
		1760
		1761	sub decay_objects {
		1762	my ($self) = @_;
		1763
		1764	return if $self->{deny_reset};
		1765
		1766	$self->do_decay_objects;
1317	}	1767	}
1318		1768
1319	sub unlink_save {	1769	sub unlink_save {
1320	my ($self) = @_;	1770	my ($self) = @_;
1321		1771
…		…
1379	$self->load_header_orig	1829	$self->load_header_orig
1380	or return;	1830	or return;
1381	$self->prepare_orig;	1831	$self->prepare_orig;
1382	}	1832	}
1383		1833
		1834	$self->{deny_reset} = 1
		1835	if $self->no_reset;
		1836
		1837	$self->default_region (cf::region::find_by_path $self->{path})
		1838	unless $self->default_region;
		1839
1384	1	1840	1
1385	}	1841	}
1386		1842
1387	sub find;	1843	sub find;
1388	sub find {	1844	sub find {
…		…
1400	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1401		1857
1402	$map->load_header	1858	$map->load_header
1403	or return;	1859	or return;
1404		1860
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1408	$map->reset;	1864	$map->reset;
1409	undef $guard;	1865	undef $guard;
1410	return find $path;	1866	return find $path;
…		…
1421	my ($self) = @_;	1877	my ($self) = @_;
1422		1878
1423	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1424		1880
1425	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1426	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1427		1885
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1429		1887
1430	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1431		1889
1432	$self->alloc;	1890	$self->alloc;
1433		1891
1434	$self->pre_load;	1892	$self->pre_load;
1435
1436	$self->_load_objects ($self->{load_path}, 1)
1437	or return;
1438
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};
1441
1442	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {
1445	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);
1447	}
1448	}
1449
1450	Coro::cede;
1451
1452	# now do the right thing for maps
1453	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;	1893	Coro::cede;
1460	$self->set_darkness_map;	1894
		1895	$self->_load_objects ($self->{load_path}, 1)
		1896	or return;
		1897
		1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1899	if delete $self->{load_original};
		1900
		1901	if (my $uniq = $self->uniq_path) {
		1902	utf8::encode $uniq;
		1903	if (aio_open $uniq, O_RDONLY, 0) {
		1904	$self->clear_unique_items;
		1905	$self->_load_objects ($uniq, 0);
		1906	}
		1907	}
		1908
		1909	Coro::cede;
		1910	# now do the right thing for maps
		1911	$self->link_multipart_objects;
1461	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1913	unless $self->difficulty;
1463	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($self->{deny_activate}) {
		1917	$self->decay_objects;
		1918	$self->fix_auto_apply;
		1919	$self->update_buttons;
		1920	Coro::cede;
		1921	$self->set_darkness_map;
		1922	Coro::cede;
1464	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1927	}
1466		1928
1467	$self->post_load;	1929	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1930	}
1471		1931
1472	sub customise_for {	1932	sub customise_for {
1473	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1474		1934
1475	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1477		1940
1478	$self	1941	$self
1479	}	1942	}
1480		1943
1481	# find and load all maps in the 3x3 area around a map	1944	# find and load all maps in the 3x3 area around a map
…		…
1528		1991
1529	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1530	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1533	my $map = find $path	1996	if (my $map = find $path) {
1534	or next;
1535	$map->load;	1997	$map->load;
		1998	}
1536		1999
1537	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1538	}	2001	}
1539	}	2002	}
1540	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1592		2055
1593	sub reset_at {	2056	sub reset_at {
1594	my ($self) = @_;	2057	my ($self) = @_;
1595		2058
1596	# TODO: safety, remove and allow resettable per-player maps	2059	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2060	return 1e99 if $self->{deny_reset};
1599		2061
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2064
…		…
1613	my ($self) = @_;	2075	my ($self) = @_;
1614		2076
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2078
1617	return if $self->players;	2079	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2080
1620	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1621		2082
1622	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1623		2084
1624	# need to save uniques path	2085	# need to save uniques path
1625	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1657	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1658		2119
1659	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1660	}	2121	}
1661		2122
		2123	=item $maps = cf::map::tmp_maps
		2124
		2125	Returns an arrayref with all map paths of currently instantiated and saved
		2126	maps. May block.
		2127
		2128	=cut
		2129
		2130	sub tmp_maps() {
		2131	[
		2132	map {
		2133	utf8::decode $_;
		2134	/\.map$/
		2135	? normalise $_
		2136	: ()
		2137	} @{ aio_readdir $TMPDIR or [] }
		2138	]
		2139	}
		2140
		2141	=item $maps = cf::map::random_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	random maps. May block.
		2145
		2146	=cut
		2147
		2148	sub random_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise "?random/$_"
		2154	: ()
		2155	} @{ aio_readdir $RANDOMDIR or [] }
		2156	]
		2157	}
		2158
1662	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1663		2160
1664	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2162	instantiated unique items. May block.
1666		2163
1667	=cut	2164	=cut
1668		2165
1669	sub unique_maps() {	2166	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1671	or return;	2168	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2169	utf8::decode $_;
1677	next if /\.pst$/;	2170	/\.map$/
1678	next unless /^$PATH_SEP/o;	2171	? normalise $_
1679		2172	: ()
1680	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2174	]
1682
1683	\@paths
1684	}	2175	}
1685		2176
1686	package cf;	2177	package cf;
1687		2178
1688	=back	2179	=back
…		…
1734		2225
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2227
1737	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1739	} else {	2231	} else {
		2232	my $pl = $self->contr;
		2233
		2234	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2235	my $dialog = $pl->{npc_dialog};
		2236	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2237
		2238	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1742	}	2242	}
1743	}	2243	}
1744		2244
1745	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1746		2246
…		…
1794	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1795		2295
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2297
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1800		2300
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2302	}
1803		2303
1804	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1806		2308
1807	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1808		2310
1809	unless ($map) {	2311	unless ($map) {
1810	# restore original map position	2312	# restore original map position
…		…
1833		2335
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1836	}	2338	}
1837		2339
1838	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2341
1842	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1846	};	2346	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2347
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2348	=cut
		2349
		2350	our $GOTOGEN;
1873		2351
1874	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2353	my ($self, $path, $x, $y, $check, $done) = @_;
		2354
		2355	# do generation counting so two concurrent goto's will be executed in-order
		2356	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2357
1877	$self->enter_link;	2358	$self->enter_link;
1878		2359
1879	(async {	2360	(async {
1880	my $map = eval {	2361	my $map = eval {
1881	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2365	$map = $map->customise_for ($self);
		2366	$map = $check->($map) if $check && $map;
		2367	} else {
		2368	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2369	}
		2370
1883	$map	2371	$map
		2372	};
		2373
		2374	if ($@) {
		2375	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2376	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2377	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1888	})->prio (1);	2385	})->prio (1);
1889	}	2386	}
1890		2387
1891	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1892		2389
…		…
1931		2428
1932	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1933		2430
1934	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1937		2434
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2437	undef $fh;
1941	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1950		2447
1951	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1952		2449
1953	if ($exit->slaying eq "/!") {	2450	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2451	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2452	# the problem is that $exit might not survive long enough
		2453	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2454	cf::sync_job { prepare_random_map $exit };
1956	}	2455	}
1957		2456
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2457	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1961		2460
1962	$self->enter_link;	2461	$self->enter_link;
		2462
		2463	# if exit is damned, update players death & WoR home-position
		2464	$self->contr->savebed ($slaying, $hp, $sp)
		2465	if $exit->flag (FLAG_DAMNED);
1963		2466
1964	(async {	2467	(async {
1965	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2469	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
1968		2471
1969	1;	2472	1;
1970	}) {	2473	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2475	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2478
1976	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2480	$self->leave_link;
1978	}	2481	}
1979	})->prio (1);	2482	})->prio (1);
…		…
1992		2495
1993	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1995		2498
1996	utf8::encode $text;	2499	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2501	}
1999		2502
		2503	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2504
		2505	Send a drawinfo or msg packet to the client, formatting the msg for the
		2506	client if neccessary. C<$type> should be a string identifying the type of
		2507	the message, with C<log> being the default. If C<$color> is negative, suppress
		2508	the message unless the client supports the msg packet.
		2509
		2510	=cut
		2511
		2512	sub cf::client::send_msg {
		2513	my ($self, $channel, $msg, $color, @extra) = @_;
		2514
		2515	$msg = $self->pl->expand_cfpod ($msg);
		2516
		2517	$color &= ~cf::NDI_UNIQUE; # just in case...
		2518
		2519	if (ref $channel) {
		2520	# send meta info to client, if not yet sent
		2521	unless (exists $self->{channel}{$channel->{id}}) {
		2522	$self->{channel}{$channel->{id}} = $channel;
		2523	$self->ext_msg (channel_info => $channel);
		2524	}
		2525
		2526	$channel = $channel->{id};
		2527	}
		2528
		2529	return unless @extra || length $msg;
		2530
		2531	if ($self->can_msg) {
		2532	$self->send_packet ("msg " . $self->{json_coder}->encode ([$color, $channel, $msg, @extra]));
		2533	} else {
		2534	# replace some tags by gcfclient-compatible ones
		2535	for ($msg) {
		2536	1 while
		2537	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2538	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2539	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2540	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2541	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2542	}
		2543
		2544	if ($color >= 0) {
		2545	if (0 && $msg =~ /\[/) {
		2546	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	my $extcmd = $self->extcmd;
		2565
		2566	if ($extcmd == 2) {
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2568	} elsif ($extcmd == 1) { # TODO: remove
		2569	push @msg, msgtype => "event_$type";
		2570	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2571	}
		2572	}
2000		2573
2001	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2002		2575
2003	Queues a query to the client, calling the given callback with	2576	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2577	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2579
2007	Queries can fail, so check the return code. Or don't, as queries will become	2580	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2581	become reliable at some point in the future.
2009		2582
2010	=cut	2583	=cut
2011		2584
2012	sub cf::client::query {	2585	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2594	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2596
2024	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2026	}	2601	}
2027		2602
2028	cf::client->attach (	2603	cf::client->attach (
		2604	on_connect => sub {
		2605	my ($ns) = @_;
		2606
		2607	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2608	},
2029	on_reply => sub {	2609	on_reply => sub {
2030	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2031		2611
2032	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2033	# get handled first	2613	# get handled first
…		…
2045	} else {	2625	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2627	}
2048	}	2628	}
2049	},	2629	},
		2630	on_exticmd => sub {
		2631	my ($ns, $buf) = @_;
		2632
		2633	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2634
		2635	if (ref $msg) {
		2636	my ($type, $reply, @payload) =
		2637	"ARRAY" eq ref $msg
		2638	? @$msg
		2639	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2640
		2641	if (my $cb = $EXTICMD{$type}) {
		2642	my @reply = $cb->($ns, @payload);
		2643
		2644	$ns->ext_reply ($reply, @reply)
		2645	if $reply;
		2646	}
		2647	} else {
		2648	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2649	}
		2650
		2651	cf::override;
		2652	},
2050	);	2653	);
2051		2654
2052	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2053		2656
2054	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2101		2704
2102	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2103		2706
2104	=pod	2707	=pod
2105		2708
2106	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2107		2710
2108	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove
		2714
2109	cf::object::player player	2715	cf::object::player
2110	cf::player peaceful	2716	player
2111	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2112		2723
2113	=cut	2724	=cut
2114		2725
2115	for (	2726	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove)],
2117	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2120	) {	2732	) {
2121	no strict 'refs';	2733	no strict 'refs';
…		…
2192	=back	2804	=back
2193		2805
2194	=cut	2806	=cut
2195		2807
2196	#############################################################################	2808	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2809	# the server's init and main functions
2270		2810
2271	sub init_resources {	2811	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2812	my ($path) = @_;
		2813
		2814	warn "loading facedata from $path\n";
		2815
		2816	my $facedata;
		2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
		2819
		2820	$facedata = Coro::Storable::thaw $facedata;
		2821
		2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2824
		2825	{
		2826	my $faces = $facedata->{faceinfo};
		2827
		2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2834
		2835	cf::cede_to_tick;
		2836	}
		2837
		2838	while (my ($face, $info) = each %$faces) {
		2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		2871	$soundconf = $enc->decode (delete $soundconf->{data});
		2872	# todo
		2873	}
		2874
		2875	while (my ($name, $info) = each %$res) {
		2876	my $meta = $enc->encode ({
		2877	name => $name,
		2878	%{ $info->{meta} || {} },
		2879	});
		2880
		2881	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2882
		2883	if ($info->{type} & 1) {
		2884	# prepend meta info
		2885
		2886	my $data = pack "(w/a*)*", $meta, $info->{data};
		2887	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2888
		2889	cf::face::set_data $idx, 0, $data, $chk;
		2890	} else {
		2891	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2892	}
		2893
		2894	cf::face::set_type $idx, $info->{type};
		2895
		2896	cf::cede_to_tick;
		2897	}
		2898	}
		2899
		2900	1
		2901	}
		2902
		2903	register_exticmd fx_want => sub {
		2904	my ($ns, $want) = @_;
		2905
		2906	while (my ($k, $v) = each %$want) {
		2907	$ns->fx_want ($k, $v);
		2908	}
		2909	};
		2910
		2911	sub reload_regions {
		2912	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	2913	or die "unable to load regions file\n";
		2914
		2915	for (cf::region::list) {
		2916	$_->{match} = qr/$_->{match}/
		2917	if exists $_->{match};
		2918	}
		2919	}
		2920
		2921	sub reload_facedata {
		2922	load_facedata "$DATADIR/facedata"
		2923	or die "unable to load facedata\n";
		2924	}
		2925
		2926	sub reload_archetypes {
		2927	load_resource_file "$DATADIR/archetypes"
		2928	or die "unable to load archetypes\n";
		2929	#d# NEED to laod twice to resolve forward references
		2930	# this really needs to be done in an extra post-pass
		2931	# (which needs to be synchronous, so solve it differently)
		2932	load_resource_file "$DATADIR/archetypes"
		2933	or die "unable to load archetypes\n";
		2934	}
		2935
		2936	sub reload_treasures {
		2937	load_resource_file "$DATADIR/treasures"
		2938	or die "unable to load treasurelists\n";
		2939	}
		2940
		2941	sub reload_resources {
		2942	warn "reloading resource files...\n";
		2943
		2944	reload_regions;
		2945	reload_facedata;
		2946	#reload_archetypes;#d#
		2947	reload_archetypes;
		2948	reload_treasures;
		2949
		2950	warn "finished reloading resource files\n";
		2951	}
		2952
		2953	sub init {
		2954	reload_resources;
2274	}	2955	}
2275		2956
2276	sub cfg_load {	2957	sub cfg_load {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	2958	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	2959	or return;
2279		2960
2280	local $/;	2961	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	2962	*CFG = YAML::Syck::Load <$fh>;
2282		2963
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2971	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	2972	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	2973	};
2293	warn $@ if $@;	2974	warn $@ if $@;
2294	}	2975	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	2976	}
2300		2977
2301	sub main {	2978	sub main {
2302	# we must not ever block the main coroutine	2979	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	2980	local $Coro::idle = sub {
…		…
2331	},	3008	},
2332	);	3009	);
2333	}	3010	}
2334	}	3011	}
2335		3012
		3013	sub write_runtime {
		3014	my $runtime = "$LOCALDIR/runtime";
		3015
		3016	# first touch the runtime file to show we are still running:
		3017	# the fsync below can take a very very long time.
		3018
		3019	IO::AIO::aio_utime $runtime, undef, undef;
		3020
		3021	my $guard = cf::lock_acquire "write_runtime";
		3022
		3023	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3024	or return;
		3025
		3026	my $value = $cf::RUNTIME + 90 + 10;
		3027	# 10 is the runtime save interval, for a monotonic clock
		3028	# 60 allows for the watchdog to kill the server.
		3029
		3030	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3031	and return;
		3032
		3033	# always fsync - this file is important
		3034	aio_fsync $fh
		3035	and return;
		3036
		3037	# touch it again to show we are up-to-date
		3038	aio_utime $fh, undef, undef;
		3039
		3040	close $fh
		3041	or return;
		3042
		3043	aio_rename "$runtime~", $runtime
		3044	and return;
		3045
		3046	warn "runtime file written.\n";
		3047
		3048	1
		3049	}
		3050
2336	sub emergency_save() {	3051	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3052	my $freeze_guard = cf::freeze_mainloop;
2338		3053
2339	warn "enter emergency perl save\n";	3054	warn "enter emergency perl save\n";
2340		3055
…		…
2371		3086
2372	warn Carp::longmess "post_cleanup backtrace"	3087	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3088	if $make_core;
2374	}	3089	}
2375		3090
2376	sub reload() {	3091	sub do_reload_perl() {
2377	# can/must only be called in main	3092	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3093	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3094	warn "can only reload from main coroutine";
2380	return;	3095	return;
2381	}	3096	}
…		…
2406	Coro::cede;	3121	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3122	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3123	warn "iterate...";
2409	}	3124	}
2410		3125
		3126	++$RELOAD;
		3127
2411	warn "cancelling all extension coros";	3128	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3129	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3130	%EXT_CORO = ();
2414		3131
2415	warn "removing commands";	3132	warn "removing commands";
2416	%COMMAND = ();	3133	%COMMAND = ();
2417		3134
2418	warn "removing ext commands";	3135	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3136	%EXTCMD = ();
		3137	%EXTICMD = ();
2420		3138
2421	warn "unloading/nuking all extensions";	3139	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3140	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3141	warn "... unloading $pkg";
2424		3142
…		…
2454	Symbol::delete_package "safe::$_"	3172	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3173	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3174
2457	warn "unloading cf.pm \"a bit\"";	3175	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3176	delete $INC{"cf.pm"};
		3177	delete $INC{"cf/pod.pm"};
2459		3178
2460	# don't, removes xs symbols, too,	3179	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3180	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3181	#Symbol::delete_package __PACKAGE__;
2463		3182
…		…
2478	warn "reattaching attachments to maps";	3197	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3198	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3199	warn "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3200	reattach $_ for values %PLAYER;
2482		3201
2483	warn "loading reloadable resources";
2484	init_resources;
2485
2486	warn "leaving sync_job";	3202	warn "leaving sync_job";
2487		3203
2488	1	3204	1
2489	} or do {	3205	} or do {
2490	warn $@;	3206	warn $@;
…		…
2495	warn "reloaded";	3211	warn "reloaded";
2496	};	3212	};
2497		3213
2498	our $RELOAD_WATCHER; # used only during reload	3214	our $RELOAD_WATCHER; # used only during reload
2499		3215
		3216	sub reload_perl() {
		3217	# doing reload synchronously and two reloads happen back-to-back,
		3218	# coro crashes during coro_state_free->destroy here.
		3219
		3220	$RELOAD_WATCHER ||= Event->timer (
		3221	reentrant => 0,
		3222	after => 0,
		3223	data => WF_AUTOCANCEL,
		3224	cb => sub {
		3225	do_reload_perl;
		3226	undef $RELOAD_WATCHER;
		3227	},
		3228	);
		3229	}
		3230
2500	register_command "reload" => sub {	3231	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3232	my ($who, $arg) = @_;
2502		3233
2503	if ($who->flag (FLAG_WIZ)) {	3234	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3235	$who->message ("reloading server.");
2505		3236	async { reload_perl };
2506	# doing reload synchronously and two reloads happen back-to-back,
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);
2518	}	3237	}
2519	};	3238	};
2520		3239
2521	unshift @INC, $LIBDIR;	3240	unshift @INC, $LIBDIR;
2522		3241
2523	my $bug_warning = 0;	3242	my $bug_warning = 0;
2524		3243
		3244	our @WAIT_FOR_TICK;
		3245	our @WAIT_FOR_TICK_BEGIN;
		3246
		3247	sub wait_for_tick {
		3248	return unless $TICK_WATCHER->is_active;
		3249	return if $Coro::current == $Coro::main;
		3250
		3251	my $signal = new Coro::Signal;
		3252	push @WAIT_FOR_TICK, $signal;
		3253	$signal->wait;
		3254	}
		3255
		3256	sub wait_for_tick_begin {
		3257	return unless $TICK_WATCHER->is_active;
		3258	return if $Coro::current == $Coro::main;
		3259
		3260	my $signal = new Coro::Signal;
		3261	push @WAIT_FOR_TICK_BEGIN, $signal;
		3262	$signal->wait;
		3263	}
		3264
		3265	my $min = 1e6;#d#
		3266	my $avg = 10;
2525	$TICK_WATCHER = Event->timer (	3267	$TICK_WATCHER = Event->timer (
2526	reentrant => 0,	3268	reentrant => 0,
2527	parked => 1,	3269	parked => 1,
2528	prio => 0,	3270	prio => 0,
2529	at => $NEXT_TICK || $TICK,	3271	at => $NEXT_TICK || $TICK,
…		…
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3275	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	3276	unless ++$bug_warning > 10;
2535	return;	3277	return;
2536	}	3278	}
2537		3279
2538	$NOW = Event::time;	3280	$NOW = $tick_start = Event::time;
2539		3281
2540	cf::server_tick; # one server iteration	3282	cf::server_tick; # one server iteration
		3283
		3284	0 && sync_job {#d#
		3285	for(1..10) {
		3286	my $t = Event::time;
		3287	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3288	or die;
		3289
		3290	$map->width (50);
		3291	$map->height (50);
		3292	$map->alloc;
		3293	$map->_load_objects ("/tmp/x.map", 1);
		3294	my $t = Event::time - $t;
		3295
		3296	#next unless $t < 0.0013;#d#
		3297	if ($t < $min) {
		3298	$min = $t;
		3299	}
		3300	$avg = $avg * 0.99 + $t * 0.01;
		3301	}
		3302	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3303	exit 0;
		3304	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3305	};
		3306
2541	$RUNTIME += $TICK;	3307	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;	3308	$NEXT_TICK += $TICK;
2543		3309
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3310	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3311	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2547	write_runtime	3313	write_runtime
2548	or warn "ERROR: unable to write runtime file: $!";	3314	or warn "ERROR: unable to write runtime file: $!";
2549	};	3315	};
2550	}	3316	}
2551		3317
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;	3318	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#	3319	# warn $AFTER - $NOW;#d#
2557		3320
		3321	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3322	$sig->send;
		3323	}
		3324	while (my $sig = shift @WAIT_FOR_TICK) {
		3325	$sig->send;
		3326	}
		3327
		3328	$NOW = Event::time;
		3329
2558	# if we are delayed by four ticks or more, skip them all	3330	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3331	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2560		3332
2561	$TICK_WATCHER->at ($NEXT_TICK);	3333	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;	3334	$TICK_WATCHER->start;
		3335
		3336	$LOAD = ($NOW - $tick_start) / $TICK;
		3337	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3338
		3339	_post_tick;
		3340
		3341
2563	},	3342	},
2564	);	3343	);
2565		3344
2566	{	3345	{
2567	BDB::max_poll_time $TICK * 0.1;	3346	BDB::max_poll_time $TICK * 0.1;
…		…
2595		3374
2596	cf::sync_job {	3375	cf::sync_job {
2597	eval {	3376	eval {
2598	BDB::db_env_open	3377	BDB::db_env_open
2599	$DB_ENV,	3378	$DB_ENV,
2600	$BDB_ENV_DIR,	3379	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3380	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3381	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	3382	0666;
2604		3383
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3384	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606		3385
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3386	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;	3387	$DB_ENV->set_lk_detect;
2609	};	3388	};
2610		3389
…		…
2626	prio => 6,	3405	prio => 6,
2627	cb => \&IO::AIO::poll_cb,	3406	cb => \&IO::AIO::poll_cb,
2628	);	3407	);
2629	}	3408	}
2630		3409
		3410	my $_log_backtrace;
		3411
		3412	sub _log_backtrace {
		3413	my ($msg, @addr) = @_;
		3414
		3415	$msg =~ s/\n//;
		3416
		3417	# limit the # of concurrent backtraces
		3418	if ($_log_backtrace < 2) {
		3419	++$_log_backtrace;
		3420	async {
		3421	my @bt = fork_call {
		3422	@addr = map { sprintf "%x", $_ } @addr;
		3423	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3424	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3425	or die "addr2line: $!";
		3426
		3427	my @funcs;
		3428	my @res = <$fh>;
		3429	chomp for @res;
		3430	while (@res) {
		3431	my ($func, $line) = splice @res, 0, 2, ();
		3432	push @funcs, "[$func] $line";
		3433	}
		3434
		3435	@funcs
		3436	};
		3437
		3438	LOG llevInfo, "[ABT] $msg\n";
		3439	LOG llevInfo, "[ABT] $_\n" for @bt;
		3440	--$_log_backtrace;
		3441	};
		3442	} else {
		3443	LOG llevInfo, "[ABT] $msg\n";
		3444	LOG llevInfo, "[ABT] [suppressed]\n";
		3445	}
		3446	}
		3447
		3448	# load additional modules
		3449	use cf::pod;
		3450
2631	END { cf::emergency_save }	3451	END { cf::emergency_save }
2632		3452
2633	1	3453	1
2634		3454

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