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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.317 by root, Mon Jul 23 23:38:17 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.61 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
19		24
		25	use JSON::XS 1.4 ();
20	use BDB ();	26	use BDB ();
21	use Data::Dumper;	27	use Data::Dumper;
22	use Digest::MD5;	28	use Digest::MD5;
23	use Fcntl;	29	use Fcntl;
		30	use YAML::Syck ();
24	use IO::AIO 2.32 ();	31	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	32	use Time::HiRes;
27	use Compress::LZF;	33	use Compress::LZF;
		34	use Digest::MD5 ();
28		35
		36	# configure various modules to our taste
		37	#
		38	$Storable::canonical = 1; # reduce rsync transfers
		39	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	40	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		41
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is	42	$Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
48	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
49	our @EVENT;	61	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		62
52	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74
		75	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
53	our $TICK_WATCHER;	76	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	77	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	78	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	79	our $NEXT_TICK;
57	our $NOW;	80	our $NOW;
…		…
66	our $RUNTIME;	89	our $RUNTIME;
67		90
68	our %PLAYER; # all users	91	our %PLAYER; # all users
69	our %MAP; # all maps	92	our %MAP; # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	93	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		94
77	# used to convert map paths into valid unix filenames by replacing / by ∕	95	# used to convert map paths into valid unix filenames by replacing / by ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	96	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		97
		98	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		99	our $LOADAVG; # same thing, but with alpha-smoothing
		100	our $tick_start; # for load detecting purposes
		101
80	binmode STDOUT;	102	binmode STDOUT;
81	binmode STDERR;	103	binmode STDERR;
82		104
83	# read virtual server time, if available	105	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	106	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	107	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	108	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	109	$RUNTIME = <$fh> + 0.;
88	}	110	}
89		111
90	mkdir cf::localdir;	112	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	113	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		114
97	our $EMERGENCY_POSITION;	115	our $EMERGENCY_POSITION;
98		116
99	sub cf::map::normalise;	117	sub cf::map::normalise;
100		118
…		…
111	=item $cf::RUNTIME	129	=item $cf::RUNTIME
112		130
113	The time this server has run, starts at 0 and is increased by $cf::TICK on	131	The time this server has run, starts at 0 and is increased by $cf::TICK on
114	every server tick.	132	every server tick.
115		133
116	=item $cf::LIBDIR	134	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		135	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		136	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
117		137
118	The perl library directory, where extensions and cf-specific modules can	138	Various directories - "/etc", read-only install directory, perl-library
119	be found. It will be added to C<@INC> automatically.	139	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		140	unique-items directory, player file directory, random maps directory and
		141	database environment.
120		142
121	=item $cf::NOW	143	=item $cf::NOW
122		144
123	The time of the last (current) server tick.	145	The time of the last (current) server tick.
124		146
125	=item $cf::TICK	147	=item $cf::TICK
126		148
127	The interval between server ticks, in seconds.	149	The interval between server ticks, in seconds.
		150
		151	=item $cf::LOADAVG
		152
		153	The current CPU load on the server (alpha-smoothed), as a value between 0
		154	(none) and 1 (overloaded), indicating how much time is spent on processing
		155	objects per tick. Healthy values are < 0.5.
		156
		157	=item $cf::LOAD
		158
		159	The raw value load value from the last tick.
128		160
129	=item %cf::CFG	161	=item %cf::CFG
130		162
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	163	Configuration for the server, loaded from C</etc/crossfire/config>, or
132	from wherever your confdir points to.	164	from wherever your confdir points to.
133		165
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	166	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		167
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	168	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	169	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	170	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	171
		172	=item @cf::INVOKE_RESULTS
		173
		174	This array contains the results of the last C<invoke ()> call. When
		175	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		176	that call.
140		177
141	=back	178	=back
142		179
143	=cut	180	=cut
144		181
145	BEGIN {	182	BEGIN {
146	*CORE::GLOBAL::warn = sub {	183	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	184	my $msg = join "", @_;
148	utf8::encode $msg;
149		185
150	$msg .= "\n"	186	$msg .= "\n"
151	unless $msg =~ /\n$/;	187	unless $msg =~ /\n$/;
152		188
		189	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		190
		191	utf8::encode $msg;
153	LOG llevError, $msg;	192	LOG llevError, $msg;
154	};	193	};
155	}	194	}
156		195
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	196	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	197	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	198	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	199	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	200	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		201	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
162	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	202	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
163		203
164	# we bless all objects into (empty) derived classes to force a method lookup	204	# we bless all objects into (empty) derived classes to force a method lookup
165	# within the Safe compartment.	205	# within the Safe compartment.
166	for my $pkg (qw(	206	for my $pkg (qw(
167	cf::global cf::attachable	207	cf::global cf::attachable
…		…
175	}	215	}
176		216
177	$Event::DIED = sub {	217	$Event::DIED = sub {
178	warn "error in event callback: @_";	218	warn "error in event callback: @_";
179	};	219	};
		220
		221	#############################################################################
180		222
181	=head2 UTILITY FUNCTIONS	223	=head2 UTILITY FUNCTIONS
182		224
183	=over 4	225	=over 4
184		226
…		…
203	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	245	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
204	$d	246	$d
205	} || "[unable to dump $_[0]: '$@']";	247	} || "[unable to dump $_[0]: '$@']";
206	}	248	}
207		249
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	250	=item $ref = cf::from_json $json
211		251
212	Converts a JSON string into the corresponding perl data structure.	252	Converts a JSON string into the corresponding perl data structure.
213		253
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	254	=item $json = cf::to_json $ref
222		255
223	Converts a perl data structure into its JSON representation.	256	Converts a perl data structure into its JSON representation.
224		257
225	=cut	258	=cut
226		259
227	sub to_json($) {	260	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	261
229	JSON::Syck::Dump $_[0]	262	sub to_json ($) { $json_coder->encode ($_[0]) }
230	}	263	sub from_json ($) { $json_coder->decode ($_[0]) }
231		264
232	=item cf::lock_wait $string	265	=item cf::lock_wait $string
233		266
234	Wait until the given lock is available. See cf::lock_acquire.	267	Wait until the given lock is available. See cf::lock_acquire.
235		268
…		…
241	returned.	274	returned.
242		275
243	Lock names should begin with a unique identifier (for example, cf::map::find	276	Lock names should begin with a unique identifier (for example, cf::map::find
244	uses map_find and cf::map::load uses map_load).	277	uses map_find and cf::map::load uses map_load).
245		278
		279	=item $locked = cf::lock_active $string
		280
		281	Return true if the lock is currently active, i.e. somebody has locked it.
		282
246	=cut	283	=cut
247		284
248	our %LOCK;	285	our %LOCK;
249		286
250	sub lock_wait($) {	287	sub lock_wait($) {
…		…
267		304
268	Coro::guard {	305	Coro::guard {
269	# wake up all waiters, to be on the safe side	306	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	307	$_->ready for @{ delete $LOCK{$key} };
271	}	308	}
		309	}
		310
		311	sub lock_active($) {
		312	my ($key) = @_;
		313
		314	! ! $LOCK{$key}
272	}	315	}
273		316
274	sub freeze_mainloop {	317	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	318	return unless $TICK_WATCHER->is_active;
276		319
…		…
279	};	322	};
280	$TICK_WATCHER->stop;	323	$TICK_WATCHER->stop;
281	$guard	324	$guard
282	}	325	}
283		326
		327	=item cf::get_slot $time[, $priority[, $name]]
		328
		329	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		330	This call blocks and returns only when you have at least C<$time> seconds
		331	of cpu time till the next tick. The slot is only valid till the next cede.
		332
		333	The optional C<$name> can be used to identify the job to run. It might be
		334	used for statistical purposes and should identify the same time-class.
		335
		336	Useful for short background jobs.
		337
		338	=cut
		339
		340	our @SLOT_QUEUE;
		341	our $SLOT_QUEUE;
		342
		343	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		344	$SLOT_QUEUE = Coro::async {
		345	my $signal = new Coro::Signal;
		346
		347	while () {
		348	next_job:
		349	my $avail = cf::till_tick;
		350	if ($avail > 0.01) {
		351	for (0 .. $#SLOT_QUEUE) {
		352	if ($SLOT_QUEUE[$_][0] < $avail) {
		353	my $job = splice @SLOT_QUEUE, $_, 1, ();
		354	$job->[2]->send;
		355	Coro::cede;
		356	goto next_job;
		357	}
		358	}
		359	}
		360
		361	if (@SLOT_QUEUE) {
		362	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		363	push @cf::WAIT_FOR_TICK, $signal;
		364	$signal->wait;
		365	} else {
		366	Coro::schedule;
		367	}
		368	}
		369	};
		370
		371	sub get_slot($;$$) {
		372	my ($time, $pri, $name) = @_;
		373
		374	$time = $TICK * .6 if $time > $TICK * .6;
		375	my $sig = new Coro::Signal;
		376
		377	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		378	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		379	$SLOT_QUEUE->ready;
		380	$sig->wait;
		381	}
		382
284	=item cf::async { BLOCK }	383	=item cf::async { BLOCK }
285		384
286	Currently the same as Coro::async_pool, meaning you cannot use	385	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	386	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	387	thing you are allowed to do is call C<prio> on it.
…		…
291		390
292	BEGIN { *async = \&Coro::async_pool }	391	BEGIN { *async = \&Coro::async_pool }
293		392
294	=item cf::sync_job { BLOCK }	393	=item cf::sync_job { BLOCK }
295		394
296	The design of crossfire+ requires that the main coro ($Coro::main) is	395	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	396	is always able to handle events or runnable, as Crossfire TRT is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	397	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		398	acceptable.
299		399
300	If it must be done, put the blocking parts into C<sync_job>. This will run	400	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	401	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	402	server will be frozen during this time, so the block should either finish
303	fast or be very important.	403	fast or be very important.
…		…
306		406
307	sub sync_job(&) {	407	sub sync_job(&) {
308	my ($job) = @_;	408	my ($job) = @_;
309		409
310	if ($Coro::current == $Coro::main) {	410	if ($Coro::current == $Coro::main) {
		411	my $time = Event::time;
		412
311	# this is the main coro, too bad, we have to block	413	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	414	# till the operation succeeds, freezing the server :/
313		415
314	# TODO: use suspend/resume instead	416	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	417	# (but this is cancel-safe)
…		…
326		428
327	while ($busy) {	429	while ($busy) {
328	Coro::cede or Event::one_event;	430	Coro::cede or Event::one_event;
329	}	431	}
330		432
		433	$time = Event::time - $time;
		434
		435	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		436	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		437
		438	$tick_start += $time; # do not account sync jobs to server load
		439
331	wantarray ? @res : $res[0]	440	wantarray ? @res : $res[0]
332	} else {	441	} else {
333	# we are in another coroutine, how wonderful, everything just works	442	# we are in another coroutine, how wonderful, everything just works
334		443
335	$job->()	444	$job->()
…		…
354	$EXT_CORO{$coro+0} = $coro;	463	$EXT_CORO{$coro+0} = $coro;
355		464
356	$coro	465	$coro
357	}	466	}
358		467
359	sub write_runtime {	468	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		469
362	my $runtime = cf::localdir . "/runtime";	470	Executes the given code block with the given arguments in a seperate
		471	process, returning the results. Everything must be serialisable with
		472	Coro::Storable. May, of course, block. Note that the executed sub may
		473	never block itself or use any form of Event handling.
363		474
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	475	=cut
365	or return;
366		476
367	my $value = $cf::RUNTIME + 90 + 10;	477	sub _store_scalar {
368	# 10 is the runtime save interval, for a monotonic clock	478	open my $fh, ">", \my $buf
369	# 60 allows for the watchdog to kill the server.	479	or die "fork_call: cannot open fh-to-buf in child : $!";
370		480	Storable::store_fd $_[0], $fh;
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0
372	and return;
373
374	# always fsync - this file is important
375	aio_fsync $fh
376	and return;
377
378	close $fh	481	close $fh;
379	or return;
380		482
381	aio_rename "$runtime~", $runtime	483	$buf
382	and return;	484	}
383		485
		486	sub fork_call(&@) {
		487	my ($cb, @args) = @_;
		488
		489	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
		490	# or die "socketpair: $!";
		491	pipe my $fh1, my $fh2
		492	or die "pipe: $!";
		493
		494	if (my $pid = fork) {
		495	close $fh2;
		496
		497	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
		498	warn "pst<$res>" unless $res =~ /^pst/;
		499	$res = Coro::Storable::thaw $res;
		500
		501	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
		502
		503	Carp::confess $$res unless "ARRAY" eq ref $res;
		504
		505	return wantarray ? @$res : $res->[-1];
		506	} else {
		507	reset_signals;
		508	local $SIG{__WARN__};
		509	local $SIG{__DIE__};
		510	# just in case, this hack effectively disables event
		511	# in the child. cleaner and slower would be canceling all watchers,
		512	# but this works for the time being.
		513	local $Coro::idle;
		514	$Coro::current->prio (Coro::PRIO_MAX);
		515
		516	eval {
		517	close $fh1;
		518
		519	my @res = eval { $cb->(@args) };
		520
		521	syswrite $fh2, _store_scalar $@ ? \"$@" : \@res;
		522	close $fh2;
		523	};
		524
		525	warn $@ if $@;
		526	_exit 0;
384	1	527	}
		528	}
		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=cut
		540
		541	our $DB;
		542
		543	sub db_init {
		544	unless ($DB) {
		545	$DB = BDB::db_create $DB_ENV;
		546
		547	cf::sync_job {
		548	eval {
		549	$DB->set_flags (BDB::CHKSUM);
		550
		551	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		552	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		553	cf::cleanup "db_open(db): $!" if $!;
		554	};
		555	cf::cleanup "db_open(db): $@" if $@;
		556	};
		557	}
		558	}
		559
		560	sub db_get($$) {
		561	my $key = "$_[0]/$_[1]";
		562
		563	cf::sync_job {
		564	BDB::db_get $DB, undef, $key, my $data;
		565
		566	$! ? ()
		567	: $data
		568	}
		569	}
		570
		571	sub db_put($$$) {
		572	BDB::dbreq_pri 4;
		573	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		574	}
		575
		576	=item cf::cache $id => [$paths...], $processversion => $process
		577
		578	Generic caching function that returns the value of the resource $id,
		579	caching and regenerating as required.
		580
		581	This function can block.
		582
		583	=cut
		584
		585	sub cache {
		586	my ($id, $src, $processversion, $process) = @_;
		587
		588	my $meta =
		589	join "\x00",
		590	$processversion,
		591	map {
		592	aio_stat $_
		593	and Carp::croak "$_: $!";
		594
		595	($_, (stat _)[7,9])
		596	} @$src;
		597
		598	my $dbmeta = db_get cache => "$id/meta";
		599	if ($dbmeta ne $meta) {
		600	# changed, we may need to process
		601
		602	my @data;
		603	my $md5;
		604
		605	for (0 .. $#$src) {
		606	0 <= aio_load $src->[$_], $data[$_]
		607	or Carp::croak "$src->[$_]: $!";
		608	}
		609
		610	# if processing is expensive, check
		611	# checksum first
		612	if (1) {
		613	$md5 =
		614	join "\x00",
		615	$processversion,
		616	map {
		617	Coro::cede;
		618	($src->[$_], Digest::MD5::md5_hex $data[$_])
		619	} 0.. $#$src;
		620
		621
		622	my $dbmd5 = db_get cache => "$id/md5";
		623	if ($dbmd5 eq $md5) {
		624	db_put cache => "$id/meta", $meta;
		625
		626	return db_get cache => "$id/data";
		627	}
		628	}
		629
		630	my $t1 = Time::HiRes::time;
		631	my $data = $process->(\@data);
		632	my $t2 = Time::HiRes::time;
		633
		634	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		635
		636	db_put cache => "$id/data", $data;
		637	db_put cache => "$id/md5" , $md5;
		638	db_put cache => "$id/meta", $meta;
		639
		640	return $data;
		641	}
		642
		643	db_get cache => "$id/data"
		644	}
		645
		646	=item cf::datalog type => key => value, ...
		647
		648	Log a datalog packet of the given type with the given key-value pairs.
		649
		650	=cut
		651
		652	sub datalog($@) {
		653	my ($type, %kv) = @_;
		654	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	655	}
386		656
387	=back	657	=back
388		658
389	=cut	659	=cut
…		…
396	attach callbacks/event handlers (a collection of which is called an "attachment")	666	attach callbacks/event handlers (a collection of which is called an "attachment")
397	to it. All such attachable objects support the following methods.	667	to it. All such attachable objects support the following methods.
398		668
399	In the following description, CLASS can be any of C<global>, C<object>	669	In the following description, CLASS can be any of C<global>, C<object>
400	C<player>, C<client> or C<map> (i.e. the attachable objects in	670	C<player>, C<client> or C<map> (i.e. the attachable objects in
401	crossfire+).	671	Crossfire TRT).
402		672
403	=over 4	673	=over 4
404		674
405	=item $attachable->attach ($attachment, key => $value...)	675	=item $attachable->attach ($attachment, key => $value...)
406		676
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	839	$registry = $CB_TYPE[$object_type] ||= [];
570		840
571	} elsif ($type eq "subtype") {	841	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	842	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	843	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	844	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		845
576	} elsif ($type eq "package") {	846	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	847	my $pkg = shift @arg;
578		848
579	while (my ($name, $id) = each %cb_id) {	849	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	878	_attach $registry, $klass, @attach;
609	}	879	}
610		880
611	$obj->{$name} = \%arg;	881	$obj->{$name} = \%arg;
612	} else {	882	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	883	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	884	}
615		885
616	$obj->{_attachment}{$name} = undef;	886	$obj->{_attachment}{$name} = undef;
617	}	887	}
618		888
…		…
620	if (ref $_[0]) {	890	if (ref $_[0]) {
621	_object_attach @_;	891	_object_attach @_;
622	} else {	892	} else {
623	_attach shift->_attach_registry, @_;	893	_attach shift->_attach_registry, @_;
624	}	894	}
		895	_recalc_want;
625	};	896	};
626		897
627	# all those should be optimised	898	# all those should be optimised
628	sub cf::attachable::detach {	899	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	900	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	903	delete $obj->{_attachment}{$name};
633	reattach ($obj);	904	reattach ($obj);
634	} else {	905	} else {
635	Carp::croak "cannot, currently, detach class attachments";	906	Carp::croak "cannot, currently, detach class attachments";
636	}	907	}
		908	_recalc_want;
637	};	909	};
638		910
639	sub cf::attachable::attached {	911	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	912	my ($obj, $name) = @_;
641		913
…		…
656	";	928	";
657	die if $@;	929	die if $@;
658	}	930	}
659		931
660	our $override;	932	our $override;
661	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	933	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
662		934
663	sub override {	935	sub override {
664	$override = 1;	936	$override = 1;
665	@invoke_results = ();	937	@INVOKE_RESULTS = (@_);
666	}	938	}
667		939
668	sub do_invoke {	940	sub do_invoke {
669	my $event = shift;	941	my $event = shift;
670	my $callbacks = shift;	942	my $callbacks = shift;
671		943
672	@invoke_results = ();	944	@INVOKE_RESULTS = ();
673		945
674	local $override;	946	local $override;
675		947
676	for (@$callbacks) {	948	for (@$callbacks) {
677	eval { &{$_->[1]} };	949	eval { &{$_->[1]} };
…		…
694		966
695	Generate an object-specific event with the given arguments.	967	Generate an object-specific event with the given arguments.
696		968
697	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	969	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
698	removed in future versions), and there is no public API to access override	970	removed in future versions), and there is no public API to access override
699	results (if you must, access C<@cf::invoke_results> directly).	971	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		972
701	=back	973	=back
702		974
703	=cut	975	=cut
704		976
705	#############################################################################	977	#############################################################################
706	# object support	978	# object support
		979	#
		980
		981	sub _can_merge {
		982	my ($ob1, $ob2) = @_;
		983
		984	local $Storable::canonical = 1;
		985	my $fob1 = Storable::freeze $ob1;
		986	my $fob2 = Storable::freeze $ob2;
		987
		988	$fob1 eq $fob2
		989	}
707		990
708	sub reattach {	991	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	992	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	993	my ($obj) = @_;
711		994
…		…
814	or return;	1097	or return;
815	$av = eval { (Storable::thaw $av)->{objs} };	1098	$av = eval { (Storable::thaw $av)->{objs} };
816	}	1099	}
817		1100
818	warn sprintf "loading %s (%d)\n",	1101	warn sprintf "loading %s (%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1102	$filename, length $data, scalar @{$av || []};
820	return ($data, $av);	1103	return ($data, $av);
821	}	1104	}
		1105
		1106	=head2 COMMAND CALLBACKS
		1107
		1108	=over 4
		1109
		1110	=cut
822		1111
823	#############################################################################	1112	#############################################################################
824	# command handling &c	1113	# command handling &c
825		1114
826	=item cf::register_command $name => \&callback($ob,$args);	1115	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1128	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1129	}
841		1130
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1131	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1132
844	Register a callbackf ro execution when the client sends an extcmd packet.	1133	Register a callback for execution when the client sends an (synchronous)
		1134	extcmd packet. Ext commands will be processed in the order they are
		1135	received by the server, like other user commands. The first argument is
		1136	the logged-in player. Ext commands can only be processed after a player
		1137	has logged in successfully.
845		1138
846	If the callback returns something, it is sent back as if reply was being	1139	If the callback returns something, it is sent back as if reply was being
847	called.	1140	called.
848		1141
		1142	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1143
		1144	Register a callback for execution when the client sends an (asynchronous)
		1145	exticmd packet. Exti commands are processed by the server as soon as they
		1146	are received, i.e. out of order w.r.t. other commands. The first argument
		1147	is a client socket. Exti commands can be received anytime, even before
		1148	log-in.
		1149
		1150	If the callback returns something, it is sent back as if reply was being
		1151	called.
		1152
849	=cut	1153	=cut
850		1154
851	sub register_extcmd {	1155	sub register_extcmd {
852	my ($name, $cb) = @_;	1156	my ($name, $cb) = @_;
853		1157
854	$EXTCMD{$name} = $cb;	1158	$EXTCMD{$name} = $cb;
		1159	}
		1160
		1161	sub register_exticmd {
		1162	my ($name, $cb) = @_;
		1163
		1164	$EXTICMD{$name} = $cb;
855	}	1165	}
856		1166
857	cf::player->attach (	1167	cf::player->attach (
858	on_command => sub {	1168	on_command => sub {
859	my ($pl, $name, $params) = @_;	1169	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1178	cf::override;
869	},	1179	},
870	on_extcmd => sub {	1180	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1181	my ($pl, $buf) = @_;
872		1182
873	my $msg = eval { from_json $buf };	1183	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1184
875	if (ref $msg) {	1185	if (ref $msg) {
		1186	my ($type, $reply, @payload) =
		1187	"ARRAY" eq ref $msg
		1188	? @$msg
		1189	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1190
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1191	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1192	my @reply = $cb->($pl, @payload);
		1193
878	$pl->ext_reply ($msg->{msgid}, %reply);	1194	$pl->ext_reply ($reply, @reply)
879	}	1195	if $reply;
880	}	1196	}
881	} else {	1197	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1198	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1199	}
884		1200
885	cf::override;	1201	cf::override;
886	},	1202	},
887	);	1203	);
888		1204
889	sub load_extension {
890	my ($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 {	1205	sub load_extensions {
		1206	cf::sync_job {
		1207	my %todo;
		1208
924	for my $ext (<$LIBDIR/*.ext>) {	1209	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1210	next unless -r $path;
926	eval {	1211
927	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	$progress = 1;
928	1	1269	}
929	} or warn "$ext not loaded: $@";	1270
		1271	skip:
		1272	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1273	unless $progress;
		1274	}
930	}	1275	};
931	}	1276	}
932		1277
933	#############################################################################	1278	#############################################################################
934		1279
		1280	=back
		1281
935	=head2 CORE EXTENSIONS	1282	=head2 CORE EXTENSIONS
936		1283
937	Functions and methods that extend core crossfire objects.	1284	Functions and methods that extend core crossfire objects.
938		1285
939	=cut	1286	=cut
…		…
951	Returns the given player object, loading it if necessary (might block).	1298	Returns the given player object, loading it if necessary (might block).
952		1299
953	=cut	1300	=cut
954		1301
955	sub playerdir($) {	1302	sub playerdir($) {
956	cf::localdir	1303	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1304	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1305	}
962		1306
963	sub path($) {	1307	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1308	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
965		1309
966	(playerdir $login) . "/$login.pl"	1310	(playerdir $login) . "/playerdata"
967	}	1311	}
968		1312
969	sub find_active($) {	1313	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1314	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1315	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1328	my $login = $_[0];
985		1329
986	my $guard = cf::lock_acquire "user_find:$login";	1330	my $guard = cf::lock_acquire "user_find:$login";
987		1331
988	$cf::PLAYER{$_[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
989	my $pl = load_pl path $login	1340	my $pl = load_pl path $login
990	or return;	1341	or return;
991	$cf::PLAYER{$login} = $pl	1342	$cf::PLAYER{$login} = $pl
992	}	1343	}
993	}	1344	}
…		…
1077	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1078		1429
1079	=cut	1430	=cut
1080		1431
1081	sub list_logins {	1432	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1434	or return [];
1084		1435
1085	my @logins;	1436	my @logins;
1086		1437
1087	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1122	}	1473	}
1123		1474
1124	\@paths	1475	\@paths
1125	}	1476	}
1126		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
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1128		1529
1129	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1130		1531
1131	=cut	1532	=cut
1132		1533
1133	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1135		1536
1136	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1137		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1138	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($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	}
1139	}	1544	}
1140		1545
1141	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	$match
		1585	}
1142		1586
1143	=back	1587	=back
1144
1145		1588
1146	=head3 cf::map	1589	=head3 cf::map
1147		1590
1148	=over 4	1591	=over 4
1149		1592
…		…
1204	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1205		1648
1206	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1207	local $self->{path};	1650	local $self->{path};
1208	local $self->{load_path};	1651	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1652
1212	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1213	}	1654	}
1214		1655
1215	sub normalise {	1656	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1263	return $self;	1704	return $self;
1264	}	1705	}
1265	}	1706	}
1266		1707
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1709	()
1269	}	1710	}
1270		1711
1271	sub init {	1712	sub init {
1272	my ($self) = @_;	1713	my ($self) = @_;
…		…
1287		1728
1288	# the original (read-only) location	1729	# the original (read-only) location
1289	sub load_path {	1730	sub load_path {
1290	my ($self) = @_;	1731	my ($self) = @_;
1291		1732
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1293	}	1734	}
1294		1735
1295	# the temporary/swap location	1736	# the temporary/swap location
1296	sub save_path {	1737	sub save_path {
1297	my ($self) = @_;	1738	my ($self) = @_;
1298		1739
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1301	}	1742	}
1302		1743
1303	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1304	sub uniq_path {	1745	sub uniq_path {
1305	my ($self) = @_;	1746	my ($self) = @_;
1306		1747
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1309	}	1750	}
1310		1751
1311	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1312	# all maps in C++...	1753	# all maps in C++...
1313	sub change_all_map_light {	1754	sub change_all_map_light {
1314	my ($change) = @_;	1755	my ($change) = @_;
1315		1756
1316	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1317	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	$self->do_decay_objects;
1318	}	1767	}
1319		1768
1320	sub unlink_save {	1769	sub unlink_save {
1321	my ($self) = @_;	1770	my ($self) = @_;
1322		1771
…		…
1380	$self->load_header_orig	1829	$self->load_header_orig
1381	or return;	1830	or return;
1382	$self->prepare_orig;	1831	$self->prepare_orig;
1383	}	1832	}
1384		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
1385	1	1840	1
1386	}	1841	}
1387		1842
1388	sub find;	1843	sub find;
1389	sub find {	1844	sub find {
…		…
1401	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1402		1857
1403	$map->load_header	1858	$map->load_header
1404	or return;	1859	or return;
1405		1860
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1409	$map->reset;	1864	$map->reset;
1410	undef $guard;	1865	undef $guard;
1411	return find $path;	1866	return find $path;
…		…
1422	my ($self) = @_;	1877	my ($self) = @_;
1423		1878
1424	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1425		1880
1426	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1427	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1428		1885
1429	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1430		1887
1431	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1432		1889
1433	$self->alloc;	1890	$self->alloc;
1434		1891
1435	$self->pre_load;	1892	$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;	1893	Coro::cede;
1461	$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;
1462	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	1913	unless $self->difficulty;
1464	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1465	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	1927	}
1467		1928
1468	$self->post_load;	1929	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	1930	}
1472		1931
1473	sub customise_for {	1932	sub customise_for {
1474	my ($self, $ob) = @_;	1933	my ($self, $ob) = @_;
1475		1934
1476	return find "~" . $ob->name . "/" . $self->{path}	1935	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	1936	if $self->per_player;
		1937
		1938	# return find "?party/" . $ob->name . "/" . $self->{path}
		1939	# if $self->per_party;
1478		1940
1479	$self	1941	$self
1480	}	1942	}
1481		1943
1482	# 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
…		…
1529		1991
1530	undef $MAP_PREFETCH{$path};	1992	undef $MAP_PREFETCH{$path};
1531	$MAP_PREFETCHER ||= cf::async {	1993	$MAP_PREFETCHER ||= cf::async {
1532	while (%MAP_PREFETCH) {	1994	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	1995	for my $path (keys %MAP_PREFETCH) {
1534	my $map = find $path	1996	if (my $map = find $path) {
1535	or next;
1536	$map->load;	1997	$map->load;
		1998	}
1537		1999
1538	delete $MAP_PREFETCH{$path};	2000	delete $MAP_PREFETCH{$path};
1539	}	2001	}
1540	}	2002	}
1541	undef $MAP_PREFETCHER;	2003	undef $MAP_PREFETCHER;
…		…
1593		2055
1594	sub reset_at {	2056	sub reset_at {
1595	my ($self) = @_;	2057	my ($self) = @_;
1596		2058
1597	# TODO: safety, remove and allow resettable per-player maps	2059	# 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};	2060	return 1e99 if $self->{deny_reset};
1600		2061
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2062	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2063	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2064
…		…
1614	my ($self) = @_;	2075	my ($self) = @_;
1615		2076
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2077	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2078
1618	return if $self->players;	2079	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2080
1621	warn "resetting map ", $self->path;#d#	2081	warn "resetting map ", $self->path;
1622		2082
1623	$self->in_memory (cf::MAP_SWAPPED);	2083	$self->in_memory (cf::MAP_SWAPPED);
1624		2084
1625	# need to save uniques path	2085	# need to save uniques path
1626	unless ($self->{deny_save}) {	2086	unless ($self->{deny_save}) {
…		…
1658	$cf::MAP{$self->path} = $self;	2118	$cf::MAP{$self->path} = $self;
1659		2119
1660	$self->reset; # polite request, might not happen	2120	$self->reset; # polite request, might not happen
1661	}	2121	}
1662		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
1663	=item cf::map::unique_maps	2159	=item cf::map::unique_maps
1664		2160
1665	Returns an arrayref of paths of all shared maps that have	2161	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2162	instantiated unique items. May block.
1667		2163
1668	=cut	2164	=cut
1669		2165
1670	sub unique_maps() {	2166	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2167	[
1672	or return;	2168	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2169	utf8::decode $_;
1678	next if /\.pst$/;	2170	/\.map$/
1679	next unless /^$PATH_SEP/o;	2171	? normalise $_
1680		2172	: ()
1681	push @paths, cf::map::normalise $_;	2173	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2174	]
1683
1684	\@paths
1685	}	2175	}
1686		2176
1687	package cf;	2177	package cf;
1688		2178
1689	=back	2179	=back
…		…
1735		2225
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2226	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2227
1738	if ($self->{record_replies}) {	2228	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2229	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2230
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2239	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2240	$self->message ($msg, $flags);
		2241	}
1743	}	2242	}
1744	}	2243	}
1745		2244
1746	=item $player_object->may ("access")	2245	=item $player_object->may ("access")
1747		2246
…		…
1795	$self->deactivate_recursive;	2294	$self->deactivate_recursive;
1796		2295
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2296	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2297
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2298	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2299	if $self->map && $self->map->{path} ne "{link}";
1801		2300
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2301	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2302	}
1804		2303
1805	sub cf::object::player::leave_link {	2304	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2305	my ($self, $map, $x, $y) = @_;
		2306
		2307	return unless $self->contr->active;
1807		2308
1808	my $link_pos = delete $self->{_link_pos};	2309	my $link_pos = delete $self->{_link_pos};
1809		2310
1810	unless ($map) {	2311	unless ($map) {
1811	# restore original map position	2312	# restore original map position
…		…
1834		2335
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2336	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2337	$self->enter_map ($map, $x, $y);
1837	}	2338	}
1838		2339
1839	cf::player->attach (	2340	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2341
1843	# abort map switching before logout	2342	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2343	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2344	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2345	the new (success) or old (failed) map position. In either case, $done will
1847	};	2346	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2347
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	2348	=cut
		2349
		2350	our $GOTOGEN;
1874		2351
1875	sub cf::object::player::goto {	2352	sub cf::object::player::goto {
1876	my ($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;
1877		2357
1878	$self->enter_link;	2358	$self->enter_link;
1879		2359
1880	(async {	2360	(async {
1881	my $map = eval {	2361	my $map = eval {
1882	my $map = cf::map::find $path;	2362	my $map = cf::map::find $path;
		2363
		2364	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2377	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2378
		2379	if ($gen == $self->{_goto_generation}) {
		2380	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2381	$self->leave_link ($map, $x, $y);
		2382	}
		2383
		2384	$done->() if $done;
1889	})->prio (1);	2385	})->prio (1);
1890	}	2386	}
1891		2387
1892	=item $player_object->enter_exit ($exit_object)	2388	=item $player_object->enter_exit ($exit_object)
1893		2389
…		…
1932		2428
1933	$rmp->{random_seed} ||= $exit->random_seed;	2429	$rmp->{random_seed} ||= $exit->random_seed;
1934		2430
1935	my $data = cf::to_json $rmp;	2431	my $data = cf::to_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2432	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2433	my $meta = "$RANDOMDIR/$md5.meta";
1938		2434
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2435	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2436	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2437	undef $fh;
1942	aio_rename "$meta~", $meta;	2438	aio_rename "$meta~", $meta;
…		…
1951		2447
1952	return unless $self->type == cf::PLAYER;	2448	return unless $self->type == cf::PLAYER;
1953		2449
1954	if ($exit->slaying eq "/!") {	2450	if ($exit->slaying eq "/!") {
1955	#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
1956	cf::sync_job { prepare_random_map $exit };	2454	cf::sync_job { prepare_random_map $exit };
1957	}	2455	}
1958		2456
1959	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;
1960	my $hp = $exit->stats->hp;	2458	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2459	my $sp = $exit->stats->sp;
1962		2460
1963	$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);
1964		2466
1965	(async {	2467	(async {
1966	$self->deactivate_recursive; # just to be sure	2468	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2469	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2470	$self->goto ($slaying, $hp, $sp);
1969		2471
1970	1;	2472	1;
1971	}) {	2473	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2474	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "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. "
1974	. "Please report this to the dungeon master!",	2476	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2477	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2478
1977	warn "ERROR in enter_exit: $@";	2479	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2480	$self->leave_link;
1979	}	2481	}
1980	})->prio (1);	2482	})->prio (1);
…		…
1993		2495
1994	sub cf::client::send_drawinfo {	2496	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2497	my ($self, $text, $flags) = @_;
1996		2498
1997	utf8::encode $text;	2499	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2500	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2501	}
2000		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	}
2001		2573
2002	=item $success = $client->query ($flags, "text", \&cb)	2574	=item $success = $client->query ($flags, "text", \&cb)
2003		2575
2004	Queues a query to the client, calling the given callback with	2576	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>,	2577	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>.	2578	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2007		2579
2008	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
2009	reliable at some point in the future.	2581	become reliable at some point in the future.
2010		2582
2011	=cut	2583	=cut
2012		2584
2013	sub cf::client::query {	2585	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2586	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2594	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2595	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2596
2025	$self->send_packet ($self->{query_queue}[0][0])	2597	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2598	if @{ $self->{query_queue} } == 1;
		2599
		2600	1
2027	}	2601	}
2028		2602
2029	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	},
2030	on_reply => sub {	2609	on_reply => sub {
2031	my ($ns, $msg) = @_;	2610	my ($ns, $msg) = @_;
2032		2611
2033	# this weird shuffling is so that direct followup queries	2612	# this weird shuffling is so that direct followup queries
2034	# get handled first	2613	# get handled first
…		…
2046	} else {	2625	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2626	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2627	}
2049	}	2628	}
2050	},	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	},
2051	);	2653	);
2052		2654
2053	=item $client->async (\&cb)	2655	=item $client->async (\&cb)
2054		2656
2055	Create a new coroutine, running the specified callback. The coroutine will	2657	Create a new coroutine, running the specified callback. The coroutine will
…		…
2102		2704
2103	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2104		2706
2105	=pod	2707	=pod
2106		2708
2107	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2108		2710
2109	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
2110	cf::object::player player	2715	cf::object::player
2111	cf::player peaceful	2716	player
2112	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2113		2723
2114	=cut	2724	=cut
2115		2725
2116	for (	2726	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2121	) {	2732	) {
2122	no strict 'refs';	2733	no strict 'refs';
…		…
2193	=back	2804	=back
2194		2805
2195	=cut	2806	=cut
2196		2807
2197	#############################################################################	2808	#############################################################################
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	2809	# the server's init and main functions
2271		2810
2272	sub load_faces {	2811	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	2812	my ($path) = @_;
2274		2813
2275	warn "loading faces from $path\n";	2814	warn "loading facedata from $path\n";
2276		2815
2277	my $faces;	2816	my $facedata;
2278	0 < aio_load $path, $faces	2817	0 < aio_load $path, $facedata
2279	or die "$path: $!";	2818	or die "$path: $!";
2280		2819
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	2820	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		2821
		2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2824
		2825	{
		2826	my $faces = $facedata->{faceinfo};
		2827
2285	while (my ($face, $info) = each %$faces) {	2828	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289	Coro::cede;	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	while (my ($name, $info) = each %$res) {
		2871	my $meta = $enc->encode ({
		2872	name => $name,
		2873	type => $info->{type},
		2874	copyright => $info->{copyright}, #TODO#
		2875	});
		2876
		2877	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2878
		2879	if ($name =~ /\.(?:jpg|png)$/) {
		2880	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};#d# temp hack
		2881	cf::face::set_data $idx, 1, $info->{data}, $info->{chksum};#d# temp hack
		2882	} else {
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_type $idx, 1;
		2887	cf::face::set_data $idx, 0, $data, $chk;
		2888	}
		2889
		2890	cf::cede_to_tick;
		2891	}
2290	}	2892	}
2291		2893
2292	1	2894	1
2293	}	2895	}
2294		2896
		2897	sub reload_regions {
		2898	load_resource_file "$MAPDIR/regions"
		2899	or die "unable to load regions file\n";
		2900
		2901	for (cf::region::list) {
		2902	$_->{match} = qr/$_->{match}/
		2903	if exists $_->{match};
		2904	}
		2905	}
		2906
		2907	sub reload_facedata {
		2908	load_facedata "$DATADIR/facedata"
		2909	or die "unable to load facedata\n";
		2910	}
		2911
		2912	sub reload_archetypes {
		2913	load_resource_file "$DATADIR/archetypes"
		2914	or die "unable to load archetypes\n";
		2915	#d# NEED to laod twice to resolve forward references
		2916	# this really needs to be done in an extra post-pass
		2917	# (which needs to be synchronous, so solve it differently)
		2918	load_resource_file "$DATADIR/archetypes"
		2919	or die "unable to load archetypes\n";
		2920	}
		2921
		2922	sub reload_treasures {
		2923	load_resource_file "$DATADIR/treasures"
		2924	or die "unable to load treasurelists\n";
		2925	}
		2926
2295	sub reload_resources {	2927	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2928	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	2929
		2930	reload_regions;
2298	load_faces	2931	reload_facedata;
2299	or die "unable to load faces\n";#d#	2932	#reload_archetypes;#d#
		2933	reload_archetypes;
		2934	reload_treasures;
		2935
		2936	warn "finished reloading resource files\n";
2300	}	2937	}
2301		2938
2302	sub init {	2939	sub init {
2303	reload_resources;	2940	reload_resources;
2304	}	2941	}
2305		2942
2306	sub cfg_load {	2943	sub cfg_load {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	2944	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	2945	or return;
2309		2946
2310	local $/;	2947	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	2948	*CFG = YAML::Syck::Load <$fh>;
2312		2949
…		…
2357	},	2994	},
2358	);	2995	);
2359	}	2996	}
2360	}	2997	}
2361		2998
		2999	sub write_runtime {
		3000	my $runtime = "$LOCALDIR/runtime";
		3001
		3002	# first touch the runtime file to show we are still running:
		3003	# the fsync below can take a very very long time.
		3004
		3005	IO::AIO::aio_utime $runtime, undef, undef;
		3006
		3007	my $guard = cf::lock_acquire "write_runtime";
		3008
		3009	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3010	or return;
		3011
		3012	my $value = $cf::RUNTIME + 90 + 10;
		3013	# 10 is the runtime save interval, for a monotonic clock
		3014	# 60 allows for the watchdog to kill the server.
		3015
		3016	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3017	and return;
		3018
		3019	# always fsync - this file is important
		3020	aio_fsync $fh
		3021	and return;
		3022
		3023	# touch it again to show we are up-to-date
		3024	aio_utime $fh, undef, undef;
		3025
		3026	close $fh
		3027	or return;
		3028
		3029	aio_rename "$runtime~", $runtime
		3030	and return;
		3031
		3032	warn "runtime file written.\n";
		3033
		3034	1
		3035	}
		3036
2362	sub emergency_save() {	3037	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3038	my $freeze_guard = cf::freeze_mainloop;
2364		3039
2365	warn "enter emergency perl save\n";	3040	warn "enter emergency perl save\n";
2366		3041
…		…
2397		3072
2398	warn Carp::longmess "post_cleanup backtrace"	3073	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3074	if $make_core;
2400	}	3075	}
2401		3076
2402	sub reload() {	3077	sub do_reload_perl() {
2403	# can/must only be called in main	3078	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3079	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3080	warn "can only reload from main coroutine";
2406	return;	3081	return;
2407	}	3082	}
…		…
2441	%EXT_CORO = ();	3116	%EXT_CORO = ();
2442		3117
2443	warn "removing commands";	3118	warn "removing commands";
2444	%COMMAND = ();	3119	%COMMAND = ();
2445		3120
2446	warn "removing ext commands";	3121	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3122	%EXTCMD = ();
		3123	%EXTICMD = ();
2448		3124
2449	warn "unloading/nuking all extensions";	3125	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3126	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3127	warn "... unloading $pkg";
2452		3128
…		…
2482	Symbol::delete_package "safe::$_"	3158	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3159	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3160
2485	warn "unloading cf.pm \"a bit\"";	3161	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3162	delete $INC{"cf.pm"};
		3163	delete $INC{"cf/pod.pm"};
2487		3164
2488	# don't, removes xs symbols, too,	3165	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3166	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3167	#Symbol::delete_package __PACKAGE__;
2491		3168
…		…
2506	warn "reattaching attachments to maps";	3183	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3184	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3185	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3186	reattach $_ for values %PLAYER;
2510		3187
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3188	warn "leaving sync_job";
2515		3189
2516	1	3190	1
2517	} or do {	3191	} or do {
2518	warn $@;	3192	warn $@;
…		…
2523	warn "reloaded";	3197	warn "reloaded";
2524	};	3198	};
2525		3199
2526	our $RELOAD_WATCHER; # used only during reload	3200	our $RELOAD_WATCHER; # used only during reload
2527		3201
		3202	sub reload_perl() {
		3203	# doing reload synchronously and two reloads happen back-to-back,
		3204	# coro crashes during coro_state_free->destroy here.
		3205
		3206	$RELOAD_WATCHER ||= Event->timer (
		3207	reentrant => 0,
		3208	after => 0,
		3209	data => WF_AUTOCANCEL,
		3210	cb => sub {
		3211	do_reload_perl;
		3212	undef $RELOAD_WATCHER;
		3213	},
		3214	);
		3215	}
		3216
2528	register_command "reload" => sub {	3217	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3218	my ($who, $arg) = @_;
2530		3219
2531	if ($who->flag (FLAG_WIZ)) {	3220	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3221	$who->message ("reloading server.");
2533		3222	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	}	3223	}
2547	};	3224	};
2548		3225
2549	unshift @INC, $LIBDIR;	3226	unshift @INC, $LIBDIR;
2550		3227
2551	my $bug_warning = 0;	3228	my $bug_warning = 0;
2552		3229
		3230	our @WAIT_FOR_TICK;
		3231	our @WAIT_FOR_TICK_BEGIN;
		3232
		3233	sub wait_for_tick {
		3234	return unless $TICK_WATCHER->is_active;
		3235	return if $Coro::current == $Coro::main;
		3236
		3237	my $signal = new Coro::Signal;
		3238	push @WAIT_FOR_TICK, $signal;
		3239	$signal->wait;
		3240	}
		3241
		3242	sub wait_for_tick_begin {
		3243	return unless $TICK_WATCHER->is_active;
		3244	return if $Coro::current == $Coro::main;
		3245
		3246	my $signal = new Coro::Signal;
		3247	push @WAIT_FOR_TICK_BEGIN, $signal;
		3248	$signal->wait;
		3249	}
		3250
		3251	my $min = 1e6;#d#
		3252	my $avg = 10;
2553	$TICK_WATCHER = Event->timer (	3253	$TICK_WATCHER = Event->timer (
2554	reentrant => 0,	3254	reentrant => 0,
2555	parked => 1,	3255	parked => 1,
2556	prio => 0,	3256	prio => 0,
2557	at => $NEXT_TICK || $TICK,	3257	at => $NEXT_TICK || $TICK,
…		…
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3261	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3262	unless ++$bug_warning > 10;
2563	return;	3263	return;
2564	}	3264	}
2565		3265
2566	$NOW = Event::time;	3266	$NOW = $tick_start = Event::time;
2567		3267
2568	cf::server_tick; # one server iteration	3268	cf::server_tick; # one server iteration
		3269
		3270	0 && sync_job {#d#
		3271	for(1..10) {
		3272	my $t = Event::time;
		3273	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3274	or die;
		3275
		3276	$map->width (50);
		3277	$map->height (50);
		3278	$map->alloc;
		3279	$map->_load_objects ("/tmp/x.map", 1);
		3280	my $t = Event::time - $t;
		3281
		3282	#next unless $t < 0.0013;#d#
		3283	if ($t < $min) {
		3284	$min = $t;
		3285	}
		3286	$avg = $avg * 0.99 + $t * 0.01;
		3287	}
		3288	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3289	exit 0;
		3290	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3291	};
		3292
2569	$RUNTIME += $TICK;	3293	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3294	$NEXT_TICK += $TICK;
2571		3295
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3296	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3297	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2575	write_runtime	3299	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3300	or warn "ERROR: unable to write runtime file: $!";
2577	};	3301	};
2578	}	3302	}
2579		3303
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;	3304	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#	3305	# warn $AFTER - $NOW;#d#
2585		3306
		3307	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3308	$sig->send;
		3309	}
		3310	while (my $sig = shift @WAIT_FOR_TICK) {
		3311	$sig->send;
		3312	}
		3313
		3314	$NOW = Event::time;
		3315
2586	# if we are delayed by four ticks or more, skip them all	3316	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3317	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2588		3318
2589	$TICK_WATCHER->at ($NEXT_TICK);	3319	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;	3320	$TICK_WATCHER->start;
		3321
		3322	$LOAD = ($NOW - $tick_start) / $TICK;
		3323	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3324
		3325	_post_tick;
		3326
		3327
2591	},	3328	},
2592	);	3329	);
2593		3330
2594	{	3331	{
2595	BDB::max_poll_time $TICK * 0.1;	3332	BDB::max_poll_time $TICK * 0.1;
…		…
2623		3360
2624	cf::sync_job {	3361	cf::sync_job {
2625	eval {	3362	eval {
2626	BDB::db_env_open	3363	BDB::db_env_open
2627	$DB_ENV,	3364	$DB_ENV,
2628	$BDB_ENV_DIR,	3365	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3366	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3367	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3368	0666;
2632		3369
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3370	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634		3371
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3372	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;	3373	$DB_ENV->set_lk_detect;
2637	};	3374	};
2638		3375
…		…
2654	prio => 6,	3391	prio => 6,
2655	cb => \&IO::AIO::poll_cb,	3392	cb => \&IO::AIO::poll_cb,
2656	);	3393	);
2657	}	3394	}
2658		3395
		3396	my $_log_backtrace;
		3397
		3398	sub _log_backtrace {
		3399	my ($msg, @addr) = @_;
		3400
		3401	$msg =~ s/\n//;
		3402
		3403	# limit the # of concurrent backtraces
		3404	if ($_log_backtrace < 2) {
		3405	++$_log_backtrace;
		3406	async {
		3407	my @bt = fork_call {
		3408	@addr = map { sprintf "%x", $_ } @addr;
		3409	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3410	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3411	or die "addr2line: $!";
		3412
		3413	my @funcs;
		3414	my @res = <$fh>;
		3415	chomp for @res;
		3416	while (@res) {
		3417	my ($func, $line) = splice @res, 0, 2, ();
		3418	push @funcs, "[$func] $line";
		3419	}
		3420
		3421	@funcs
		3422	};
		3423
		3424	LOG llevInfo, "[ABT] $msg\n";
		3425	LOG llevInfo, "[ABT] $_\n" for @bt;
		3426	--$_log_backtrace;
		3427	};
		3428	} else {
		3429	LOG llevInfo, "[ABT] $msg\n";
		3430	LOG llevInfo, "[ABT] [suppressed]\n";
		3431	}
		3432	}
		3433
		3434	# load additional modules
		3435	use cf::pod;
		3436
2659	END { cf::emergency_save }	3437	END { cf::emergency_save }
2660		3438
2661	1	3439	1
2662		3440

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