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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC vs.
Revision 1.328 by root, Wed Aug 8 06:24:30 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	}
…		…
1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;	1406	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055		1407
1056	IO::AIO::aio_rmtree $temp;	1408	IO::AIO::aio_rmtree $temp;
1057	}	1409	}
1058		1410
		1411	=item $pl->kick
		1412
		1413	Kicks a player out of the game. This destroys the connection.
		1414
		1415	=cut
		1416
		1417	sub kick {
		1418	my ($pl, $kicker) = @_;
		1419
		1420	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1421	$pl->killer ("kicked");
		1422	$pl->ns->destroy;
		1423	}
		1424
1059	=item cf::player::list_logins	1425	=item cf::player::list_logins
1060		1426
1061	Returns am arrayref of all valid playernames in the system, can take a	1427	Returns am arrayref of all valid playernames in the system, can take a
1062	while and may block, so not sync_job-capable, ever.	1428	while and may block, so not sync_job-capable, ever.
1063		1429
1064	=cut	1430	=cut
1065		1431
1066	sub list_logins {	1432	sub list_logins {
1067	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1433	my $dirs = aio_readdir $PLAYERDIR
1068	or return [];	1434	or return [];
1069		1435
1070	my @logins;	1436	my @logins;
1071		1437
1072	for my $login (@$dirs) {	1438	for my $login (@$dirs) {
…		…
1107	}	1473	}
1108		1474
1109	\@paths	1475	\@paths
1110	}	1476	}
1111		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
1112	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1113		1529
1114	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1115		1531
1116	=cut	1532	=cut
1117		1533
1118	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1119	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1120		1536
1121	$msg{msgid} = $id;	1537	if ($self->ns->extcmd == 2) {
1122		1538	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1123	$self->send ("ext " . cf::to_json \%msg);	1539	} elsif ($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	}
1124	}	1544	}
1125		1545
1126	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	$match
		1585	}
1127		1586
1128	=back	1587	=back
1129
1130		1588
1131	=head3 cf::map	1589	=head3 cf::map
1132		1590
1133	=over 4	1591	=over 4
1134		1592
…		…
1189	my ($self, $merge) = @_;	1647	my ($self, $merge) = @_;
1190		1648
1191	# we have to keep some variables in memory intact	1649	# we have to keep some variables in memory intact
1192	local $self->{path};	1650	local $self->{path};
1193	local $self->{load_path};	1651	local $self->{load_path};
1194	local $self->{deny_save};
1195	local $self->{deny_reset};
1196		1652
1197	$self->SUPER::thawer_merge ($merge);	1653	$self->SUPER::thawer_merge ($merge);
1198	}	1654	}
1199		1655
1200	sub normalise {	1656	sub normalise {
…		…
1247	$self->init; # pass $1 etc.	1703	$self->init; # pass $1 etc.
1248	return $self;	1704	return $self;
1249	}	1705	}
1250	}	1706	}
1251		1707
1252	Carp::carp "unable to resolve path '$path' (base '$base').";	1708	Carp::cluck "unable to resolve path '$path' (base '$base').";
1253	()	1709	()
1254	}	1710	}
1255		1711
1256	sub init {	1712	sub init {
1257	my ($self) = @_;	1713	my ($self) = @_;
…		…
1272		1728
1273	# the original (read-only) location	1729	# the original (read-only) location
1274	sub load_path {	1730	sub load_path {
1275	my ($self) = @_;	1731	my ($self) = @_;
1276		1732
1277	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1733	"$MAPDIR/$self->{path}.map"
1278	}	1734	}
1279		1735
1280	# the temporary/swap location	1736	# the temporary/swap location
1281	sub save_path {	1737	sub save_path {
1282	my ($self) = @_;	1738	my ($self) = @_;
1283		1739
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1740	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1741	"$TMPDIR/$path.map"
1286	}	1742	}
1287		1743
1288	# the unique path, undef == no special unique path	1744	# the unique path, undef == no special unique path
1289	sub uniq_path {	1745	sub uniq_path {
1290	my ($self) = @_;	1746	my ($self) = @_;
1291		1747
1292	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1748	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1293	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1749	"$UNIQUEDIR/$path"
1294	}	1750	}
1295		1751
1296	# and all this just because we cannot iterate over	1752	# and all this just because we cannot iterate over
1297	# all maps in C++...	1753	# all maps in C++...
1298	sub change_all_map_light {	1754	sub change_all_map_light {
1299	my ($change) = @_;	1755	my ($change) = @_;
1300		1756
1301	$_->change_map_light ($change)	1757	$_->change_map_light ($change)
1302	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	$self->do_decay_objects;
1303	}	1767	}
1304		1768
1305	sub unlink_save {	1769	sub unlink_save {
1306	my ($self) = @_;	1770	my ($self) = @_;
1307		1771
…		…
1365	$self->load_header_orig	1829	$self->load_header_orig
1366	or return;	1830	or return;
1367	$self->prepare_orig;	1831	$self->prepare_orig;
1368	}	1832	}
1369		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
1370	1	1840	1
1371	}	1841	}
1372		1842
1373	sub find;	1843	sub find;
1374	sub find {	1844	sub find {
…		…
1386	$map->{last_save} = $cf::RUNTIME;	1856	$map->{last_save} = $cf::RUNTIME;
1387		1857
1388	$map->load_header	1858	$map->load_header
1389	or return;	1859	or return;
1390		1860
1391	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1861	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1392	# doing this can freeze the server in a sync job, obviously	1862	# doing this can freeze the server in a sync job, obviously
1393	#$cf::WAIT_FOR_TICK->wait;	1863	#$cf::WAIT_FOR_TICK->wait;
1394	$map->reset;	1864	$map->reset;
1395	undef $guard;	1865	undef $guard;
1396	return find $path;	1866	return find $path;
…		…
1407	my ($self) = @_;	1877	my ($self) = @_;
1408		1878
1409	local $self->{deny_reset} = 1; # loading can take a long time	1879	local $self->{deny_reset} = 1; # loading can take a long time
1410		1880
1411	my $path = $self->{path};	1881	my $path = $self->{path};
		1882
		1883	{
1412	my $guard = cf::lock_acquire "map_load:$path";	1884	my $guard = cf::lock_acquire "map_load:$path";
1413		1885
1414	return if $self->in_memory != cf::MAP_SWAPPED;	1886	return if $self->in_memory != cf::MAP_SWAPPED;
1415		1887
1416	$self->in_memory (cf::MAP_LOADING);	1888	$self->in_memory (cf::MAP_LOADING);
1417		1889
1418	$self->alloc;	1890	$self->alloc;
1419		1891
1420	$self->pre_load;	1892	$self->pre_load;
1421
1422	$self->_load_objects ($self->{load_path}, 1)
1423	or return;
1424
1425	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1426	if delete $self->{load_original};
1427
1428	if (my $uniq = $self->uniq_path) {
1429	utf8::encode $uniq;
1430	if (aio_open $uniq, O_RDONLY, 0) {
1431	$self->clear_unique_items;
1432	$self->_load_objects ($uniq, 0);
1433	}
1434	}
1435
1436	Coro::cede;
1437
1438	# now do the right thing for maps
1439	$self->link_multipart_objects;
1440
1441	unless ($self->{deny_activate}) {
1442	$self->decay_objects;
1443	$self->fix_auto_apply;
1444	$self->update_buttons;
1445	Coro::cede;	1893	Coro::cede;
1446	$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;
1447	$self->difficulty ($self->estimate_difficulty)	1912	$self->difficulty ($self->estimate_difficulty)
1448	unless $self->difficulty;	1913	unless $self->difficulty;
1449	Coro::cede;	1914	Coro::cede;
		1915
		1916	unless ($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;
1450	$self->activate;	1923	$self->activate;
		1924	}
		1925
		1926	$self->{last_save} = $cf::RUNTIME;
		1927	$self->last_access ($cf::RUNTIME);
		1928
		1929	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1930	}
1452		1931
1453	$self->post_load;	1932	$self->post_load;
1454
1455	$self->in_memory (cf::MAP_IN_MEMORY);
1456	}	1933	}
1457		1934
1458	sub customise_for {	1935	sub customise_for {
1459	my ($self, $ob) = @_;	1936	my ($self, $ob) = @_;
1460		1937
1461	return find "~" . $ob->name . "/" . $self->{path}	1938	return find "~" . $ob->name . "/" . $self->{path}
1462	if $self->per_player;	1939	if $self->per_player;
		1940
		1941	# return find "?party/" . $ob->name . "/" . $self->{path}
		1942	# if $self->per_party;
1463		1943
1464	$self	1944	$self
1465	}	1945	}
1466		1946
1467	# find and load all maps in the 3x3 area around a map	1947	# find and load all maps in the 3x3 area around a map
…		…
1514		1994
1515	undef $MAP_PREFETCH{$path};	1995	undef $MAP_PREFETCH{$path};
1516	$MAP_PREFETCHER ||= cf::async {	1996	$MAP_PREFETCHER ||= cf::async {
1517	while (%MAP_PREFETCH) {	1997	while (%MAP_PREFETCH) {
1518	for my $path (keys %MAP_PREFETCH) {	1998	for my $path (keys %MAP_PREFETCH) {
1519	my $map = find $path	1999	if (my $map = find $path) {
1520	or next;
1521	$map->load;	2000	$map->load;
		2001	}
1522		2002
1523	delete $MAP_PREFETCH{$path};	2003	delete $MAP_PREFETCH{$path};
1524	}	2004	}
1525	}	2005	}
1526	undef $MAP_PREFETCHER;	2006	undef $MAP_PREFETCHER;
…		…
1578		2058
1579	sub reset_at {	2059	sub reset_at {
1580	my ($self) = @_;	2060	my ($self) = @_;
1581		2061
1582	# TODO: safety, remove and allow resettable per-player maps	2062	# TODO: safety, remove and allow resettable per-player maps
1583	return 1e99 if $self->isa ("ext::map_per_player");#d#
1584	return 1e99 if $self->{deny_reset};	2063	return 1e99 if $self->{deny_reset};
1585		2064
1586	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2065	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1587	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2066	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1588		2067
…		…
1599	my ($self) = @_;	2078	my ($self) = @_;
1600		2079
1601	my $lock = cf::lock_acquire "map_data:$self->{path}";	2080	my $lock = cf::lock_acquire "map_data:$self->{path}";
1602		2081
1603	return if $self->players;	2082	return if $self->players;
1604	return if $self->isa ("ext::map_per_player");#d#
1605		2083
1606	warn "resetting map ", $self->path;#d#	2084	warn "resetting map ", $self->path;
1607		2085
1608	$self->in_memory (cf::MAP_SWAPPED);	2086	$self->in_memory (cf::MAP_SWAPPED);
1609		2087
1610	# need to save uniques path	2088	# need to save uniques path
1611	unless ($self->{deny_save}) {	2089	unless ($self->{deny_save}) {
…		…
1643	$cf::MAP{$self->path} = $self;	2121	$cf::MAP{$self->path} = $self;
1644		2122
1645	$self->reset; # polite request, might not happen	2123	$self->reset; # polite request, might not happen
1646	}	2124	}
1647		2125
		2126	=item $maps = cf::map::tmp_maps
		2127
		2128	Returns an arrayref with all map paths of currently instantiated and saved
		2129	maps. May block.
		2130
		2131	=cut
		2132
		2133	sub tmp_maps() {
		2134	[
		2135	map {
		2136	utf8::decode $_;
		2137	/\.map$/
		2138	? normalise $_
		2139	: ()
		2140	} @{ aio_readdir $TMPDIR or [] }
		2141	]
		2142	}
		2143
		2144	=item $maps = cf::map::random_maps
		2145
		2146	Returns an arrayref with all map paths of currently instantiated and saved
		2147	random maps. May block.
		2148
		2149	=cut
		2150
		2151	sub random_maps() {
		2152	[
		2153	map {
		2154	utf8::decode $_;
		2155	/\.map$/
		2156	? normalise "?random/$_"
		2157	: ()
		2158	} @{ aio_readdir $RANDOMDIR or [] }
		2159	]
		2160	}
		2161
1648	=item cf::map::unique_maps	2162	=item cf::map::unique_maps
1649		2163
1650	Returns an arrayref of paths of all shared maps that have	2164	Returns an arrayref of paths of all shared maps that have
1651	instantiated unique items. May block.	2165	instantiated unique items. May block.
1652		2166
1653	=cut	2167	=cut
1654		2168
1655	sub unique_maps() {	2169	sub unique_maps() {
1656	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2170	[
1657	or return;	2171	map {
1658
1659	my @paths;
1660
1661	for (@$files) {
1662	utf8::decode $_;	2172	utf8::decode $_;
1663	next if /\.pst$/;	2173	/\.map$/
1664	next unless /^$PATH_SEP/o;	2174	? normalise $_
1665		2175	: ()
1666	push @paths, cf::map::normalise $_;	2176	} @{ aio_readdir $UNIQUEDIR or [] }
1667	}	2177	]
1668
1669	\@paths
1670	}	2178	}
1671		2179
1672	package cf;	2180	package cf;
1673		2181
1674	=back	2182	=back
…		…
1720		2228
1721	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2229	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1722		2230
1723	if ($self->{record_replies}) {	2231	if ($self->{record_replies}) {
1724	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2232	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2233
1725	} else {	2234	} else {
		2235	my $pl = $self->contr;
		2236
		2237	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2238	my $dialog = $pl->{npc_dialog};
		2239	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2240
		2241	} else {
1726	$msg = $npc->name . " says: $msg" if $npc;	2242	$msg = $npc->name . " says: $msg" if $npc;
1727	$self->message ($msg, $flags);	2243	$self->message ($msg, $flags);
		2244	}
1728	}	2245	}
1729	}	2246	}
1730		2247
1731	=item $player_object->may ("access")	2248	=item $player_object->may ("access")
1732		2249
…		…
1780	$self->deactivate_recursive;	2297	$self->deactivate_recursive;
1781		2298
1782	return if UNIVERSAL::isa $self->map, "ext::map_link";	2299	return if UNIVERSAL::isa $self->map, "ext::map_link";
1783		2300
1784	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2301	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1785	if $self->map;	2302	if $self->map && $self->map->{path} ne "{link}";
1786		2303
1787	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2304	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1788	}	2305	}
1789		2306
1790	sub cf::object::player::leave_link {	2307	sub cf::object::player::leave_link {
1791	my ($self, $map, $x, $y) = @_;	2308	my ($self, $map, $x, $y) = @_;
		2309
		2310	return unless $self->contr->active;
1792		2311
1793	my $link_pos = delete $self->{_link_pos};	2312	my $link_pos = delete $self->{_link_pos};
1794		2313
1795	unless ($map) {	2314	unless ($map) {
1796	# restore original map position	2315	# restore original map position
…		…
1819		2338
1820	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2339	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1821	$self->enter_map ($map, $x, $y);	2340	$self->enter_map ($map, $x, $y);
1822	}	2341	}
1823		2342
1824	cf::player->attach (	2343	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1825	on_logout => sub {
1826	my ($pl) = @_;
1827		2344
1828	# abort map switching before logout	2345	Moves the player to the given map-path and coordinates by first freezing
1829	if ($pl->ob->{_link_pos}) {	2346	her, loading and preparing them map, calling the provided $check callback
1830	cf::sync_job {	2347	that has to return the map if sucecssful, and then unfreezes the player on
1831	$pl->ob->leave_link	2348	the new (success) or old (failed) map position. In either case, $done will
1832	};	2349	be called at the end of this process.
1833	}
1834	},
1835	on_login => sub {
1836	my ($pl) = @_;
1837		2350
1838	# try to abort aborted map switching on player login :)
1839	# should happen only on crashes
1840	if ($pl->ob->{_link_pos}) {
1841	$pl->ob->enter_link;
1842	(async {
1843	$pl->ob->reply (undef,
1844	"There was an internal problem at your last logout, "
1845	. "the server will try to bring you to your intended destination in a second.",
1846	cf::NDI_RED);
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	Coro::Timer::sleep 1;
1850	$pl->ob->leave_link;
1851	})->prio (2);
1852	}
1853	},
1854	);
1855
1856	=item $player_object->goto ($path, $x, $y)
1857
1858	=cut	2351	=cut
		2352
		2353	our $GOTOGEN;
1859		2354
1860	sub cf::object::player::goto {	2355	sub cf::object::player::goto {
1861	my ($self, $path, $x, $y) = @_;	2356	my ($self, $path, $x, $y, $check, $done) = @_;
		2357
		2358	# do generation counting so two concurrent goto's will be executed in-order
		2359	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1862		2360
1863	$self->enter_link;	2361	$self->enter_link;
1864		2362
1865	(async {	2363	(async {
1866	my $map = eval {	2364	my $map = eval {
1867	my $map = cf::map::find $path;	2365	my $map = cf::map::find $path;
		2366
		2367	if ($map) {
1868	$map = $map->customise_for ($self) if $map;	2368	$map = $map->customise_for ($self);
		2369	$map = $check->($map) if $check && $map;
		2370	} else {
		2371	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2372	}
		2373
1869	$map	2374	$map
		2375	};
		2376
		2377	if ($@) {
		2378	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2379	LOG llevError | logBacktrace, Carp::longmess $@;
1870	} or	2380	}
1871	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1872		2381
		2382	if ($gen == $self->{_goto_generation}) {
		2383	delete $self->{_goto_generation};
1873	$self->leave_link ($map, $x, $y);	2384	$self->leave_link ($map, $x, $y);
		2385	}
		2386
		2387	$done->() if $done;
1874	})->prio (1);	2388	})->prio (1);
1875	}	2389	}
1876		2390
1877	=item $player_object->enter_exit ($exit_object)	2391	=item $player_object->enter_exit ($exit_object)
1878		2392
…		…
1917		2431
1918	$rmp->{random_seed} ||= $exit->random_seed;	2432	$rmp->{random_seed} ||= $exit->random_seed;
1919		2433
1920	my $data = cf::to_json $rmp;	2434	my $data = cf::to_json $rmp;
1921	my $md5 = Digest::MD5::md5_hex $data;	2435	my $md5 = Digest::MD5::md5_hex $data;
1922	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2436	my $meta = "$RANDOMDIR/$md5.meta";
1923		2437
1924	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2438	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1925	aio_write $fh, 0, (length $data), $data, 0;	2439	aio_write $fh, 0, (length $data), $data, 0;
1926	undef $fh;	2440	undef $fh;
1927	aio_rename "$meta~", $meta;	2441	aio_rename "$meta~", $meta;
…		…
1936		2450
1937	return unless $self->type == cf::PLAYER;	2451	return unless $self->type == cf::PLAYER;
1938		2452
1939	if ($exit->slaying eq "/!") {	2453	if ($exit->slaying eq "/!") {
1940	#TODO: this should de-fi-ni-te-ly not be a sync-job	2454	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2455	# the problem is that $exit might not survive long enough
		2456	# so it needs to be done right now, right here
1941	cf::sync_job { prepare_random_map $exit };	2457	cf::sync_job { prepare_random_map $exit };
1942	}	2458	}
1943		2459
1944	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2460	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1945	my $hp = $exit->stats->hp;	2461	my $hp = $exit->stats->hp;
1946	my $sp = $exit->stats->sp;	2462	my $sp = $exit->stats->sp;
1947		2463
1948	$self->enter_link;	2464	$self->enter_link;
		2465
		2466	# if exit is damned, update players death & WoR home-position
		2467	$self->contr->savebed ($slaying, $hp, $sp)
		2468	if $exit->flag (FLAG_DAMNED);
1949		2469
1950	(async {	2470	(async {
1951	$self->deactivate_recursive; # just to be sure	2471	$self->deactivate_recursive; # just to be sure
1952	unless (eval {	2472	unless (eval {
1953	$self->goto ($slaying, $hp, $sp);	2473	$self->goto ($slaying, $hp, $sp);
1954		2474
1955	1;	2475	1;
1956	}) {	2476	}) {
1957	$self->message ("Something went wrong deep within the crossfire server. "	2477	$self->message ("Something went wrong deep within the crossfire server. "
1958	. "I'll try to bring you back to the map you were before. "	2478	. "I'll try to bring you back to the map you were before. "
1959	. "Please report this to the dungeon master!",	2479	. "Please report this to the dungeon master!",
1960	cf::NDI_UNIQUE | cf::NDI_RED);	2480	cf::NDI_UNIQUE | cf::NDI_RED);
1961		2481
1962	warn "ERROR in enter_exit: $@";	2482	warn "ERROR in enter_exit: $@";
1963	$self->leave_link;	2483	$self->leave_link;
1964	}	2484	}
1965	})->prio (1);	2485	})->prio (1);
…		…
1978		2498
1979	sub cf::client::send_drawinfo {	2499	sub cf::client::send_drawinfo {
1980	my ($self, $text, $flags) = @_;	2500	my ($self, $text, $flags) = @_;
1981		2501
1982	utf8::encode $text;	2502	utf8::encode $text;
1983	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2503	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1984	}	2504	}
1985		2505
		2506	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2507
		2508	Send a drawinfo or msg packet to the client, formatting the msg for the
		2509	client if neccessary. C<$type> should be a string identifying the type of
		2510	the message, with C<log> being the default. If C<$color> is negative, suppress
		2511	the message unless the client supports the msg packet.
		2512
		2513	=cut
		2514
		2515	sub cf::client::send_msg {
		2516	my ($self, $channel, $msg, $color, @extra) = @_;
		2517
		2518	$msg = $self->pl->expand_cfpod ($msg);
		2519
		2520	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2521
		2522	if (ref $channel) {
		2523	# send meta info to client, if not yet sent
		2524	unless (exists $self->{channel}{$channel->{id}}) {
		2525	$self->{channel}{$channel->{id}} = $channel;
		2526	$self->ext_msg (channel_info => $channel);
		2527	}
		2528
		2529	$channel = $channel->{id};
		2530	}
		2531
		2532	return unless @extra || length $msg;
		2533
		2534	if ($self->can_msg) {
		2535	# default colour, mask it out
		2536	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2537	if $color & cf::NDI_DEF;
		2538
		2539	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2540	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2541	} else {
		2542	if ($color >= 0) {
		2543	# replace some tags by gcfclient-compatible ones
		2544	for ($msg) {
		2545	1 while
		2546	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2547	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2548	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2549	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2550	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2551	}
		2552
		2553	$color &= cf::NDI_COLOR_MASK;
		2554
		2555	utf8::encode $msg;
		2556
		2557	if (0 && $msg =~ /\[/) {
		2558	$self->send_packet ("drawextinfo $color 4 0 $msg")
		2559	} else {
		2560	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2561	$self->send_packet ("drawinfo $color $msg")
		2562	}
		2563	}
		2564	}
		2565	}
		2566
		2567	=item $client->ext_msg ($type, @msg)
		2568
		2569	Sends an ext event to the client.
		2570
		2571	=cut
		2572
		2573	sub cf::client::ext_msg($$@) {
		2574	my ($self, $type, @msg) = @_;
		2575
		2576	my $extcmd = $self->extcmd;
		2577
		2578	if ($extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2580	} elsif ($extcmd == 1) { # TODO: remove
		2581	push @msg, msgtype => "event_$type";
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2583	}
		2584	}
1986		2585
1987	=item $success = $client->query ($flags, "text", \&cb)	2586	=item $success = $client->query ($flags, "text", \&cb)
1988		2587
1989	Queues a query to the client, calling the given callback with	2588	Queues a query to the client, calling the given callback with
1990	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2589	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1991	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2590	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1992		2591
1993	Queries can fail, so check the return code. Or don't, as queries will become	2592	Queries can fail, so check the return code. Or don't, as queries will
1994	reliable at some point in the future.	2593	become reliable at some point in the future.
1995		2594
1996	=cut	2595	=cut
1997		2596
1998	sub cf::client::query {	2597	sub cf::client::query {
1999	my ($self, $flags, $text, $cb) = @_;	2598	my ($self, $flags, $text, $cb) = @_;
…		…
2007	utf8::encode $text;	2606	utf8::encode $text;
2008	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2607	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2009		2608
2010	$self->send_packet ($self->{query_queue}[0][0])	2609	$self->send_packet ($self->{query_queue}[0][0])
2011	if @{ $self->{query_queue} } == 1;	2610	if @{ $self->{query_queue} } == 1;
		2611
		2612	1
2012	}	2613	}
2013		2614
2014	cf::client->attach (	2615	cf::client->attach (
		2616	on_connect => sub {
		2617	my ($ns) = @_;
		2618
		2619	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2620	},
2015	on_reply => sub {	2621	on_reply => sub {
2016	my ($ns, $msg) = @_;	2622	my ($ns, $msg) = @_;
2017		2623
2018	# this weird shuffling is so that direct followup queries	2624	# this weird shuffling is so that direct followup queries
2019	# get handled first	2625	# get handled first
…		…
2031	} else {	2637	} else {
2032	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2638	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2033	}	2639	}
2034	}	2640	}
2035	},	2641	},
		2642	on_exticmd => sub {
		2643	my ($ns, $buf) = @_;
		2644
		2645	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2646
		2647	if (ref $msg) {
		2648	my ($type, $reply, @payload) =
		2649	"ARRAY" eq ref $msg
		2650	? @$msg
		2651	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2652
		2653	if (my $cb = $EXTICMD{$type}) {
		2654	my @reply = $cb->($ns, @payload);
		2655
		2656	$ns->ext_reply ($reply, @reply)
		2657	if $reply;
		2658	}
		2659	} else {
		2660	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2661	}
		2662
		2663	cf::override;
		2664	},
2036	);	2665	);
2037		2666
2038	=item $client->async (\&cb)	2667	=item $client->async (\&cb)
2039		2668
2040	Create a new coroutine, running the specified callback. The coroutine will	2669	Create a new coroutine, running the specified callback. The coroutine will
…		…
2081	our $safe = new Safe "safe";	2710	our $safe = new Safe "safe";
2082	our $safe_hole = new Safe::Hole;	2711	our $safe_hole = new Safe::Hole;
2083		2712
2084	$SIG{FPE} = 'IGNORE';	2713	$SIG{FPE} = 'IGNORE';
2085		2714
2086	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2715	$safe->permit_only (Opcode::opset qw(
		2716	:base_core :base_mem :base_orig :base_math
		2717	grepstart grepwhile mapstart mapwhile
		2718	sort time
		2719	));
2087		2720
2088	# here we export the classes and methods available to script code	2721	# here we export the classes and methods available to script code
2089		2722
2090	=pod	2723	=pod
2091		2724
2092	The following fucntions and emthods are available within a safe environment:	2725	The following functions and methods are available within a safe environment:
2093		2726
2094	cf::object contr pay_amount pay_player map	2727	cf::object
		2728	contr pay_amount pay_player map x y force_find force_add
		2729	insert remove
		2730
2095	cf::object::player player	2731	cf::object::player
2096	cf::player peaceful	2732	player
2097	cf::map trigger	2733
		2734	cf::player
		2735	peaceful
		2736
		2737	cf::map
		2738	trigger
2098		2739
2099	=cut	2740	=cut
2100		2741
2101	for (	2742	for (
2102	["cf::object" => qw(contr pay_amount pay_player map)],	2743	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2744	insert remove inv)],
2103	["cf::object::player" => qw(player)],	2745	["cf::object::player" => qw(player)],
2104	["cf::player" => qw(peaceful)],	2746	["cf::player" => qw(peaceful)],
2105	["cf::map" => qw(trigger)],	2747	["cf::map" => qw(trigger)],
2106	) {	2748	) {
2107	no strict 'refs';	2749	no strict 'refs';
…		…
2178	=back	2820	=back
2179		2821
2180	=cut	2822	=cut
2181		2823
2182	#############################################################################	2824	#############################################################################
2183
2184	=head2 EXTENSION DATABASE SUPPORT
2185
2186	Crossfire maintains a very simple database for extension use. It can
2187	currently store anything that can be serialised using Storable, which
2188	excludes objects.
2189
2190	The parameter C<$family> should best start with the name of the extension
2191	using it, it should be unique.
2192
2193	=over 4
2194
2195	=item $value = cf::db_get $family => $key
2196
2197	Returns a single value from the database.
2198
2199	=item cf::db_put $family => $key => $value
2200
2201	Stores the given C<$value> in the family.
2202
2203	=cut
2204
2205	our $DB;
2206
2207	sub db_init {
2208	unless ($DB) {
2209	$DB = BDB::db_create $DB_ENV;
2210
2211	cf::sync_job {
2212	eval {
2213	$DB->set_flags (BDB::CHKSUM);
2214
2215	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2216	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2217	cf::cleanup "db_open(db): $!" if $!;
2218	};
2219	cf::cleanup "db_open(db): $@" if $@;
2220	};
2221
2222	my $path = cf::localdir . "/database.pst";
2223	if (stat $path) {
2224	cf::sync_job {
2225	my $pst = Storable::retrieve $path;
2226
2227	cf::db_put (board => data => $pst->{board});
2228	cf::db_put (guildrules => data => $pst->{guildrules});
2229	cf::db_put (rent => balance => $pst->{rent}{balance});
2230	BDB::db_env_txn_checkpoint $DB_ENV;
2231
2232	unlink $path;
2233	};
2234	}
2235	}
2236	}
2237
2238	sub db_get($$) {
2239	my $key = "$_[0]/$_[1]";
2240
2241	cf::sync_job {
2242	BDB::db_get $DB, undef, $key, my $data;
2243
2244	$! ? ()
2245	: Compress::LZF::sthaw $data
2246	}
2247	}
2248
2249	sub db_put($$$) {
2250	BDB::dbreq_pri 4;
2251	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2252	}
2253
2254	#############################################################################
2255	# the server's init and main functions	2825	# the server's init and main functions
2256		2826
2257	sub init_resources {	2827	sub load_facedata($) {
2258	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2828	my ($path) = @_;
		2829
		2830	warn "loading facedata from $path\n";
		2831
		2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
		2835
		2836	$facedata = Coro::Storable::thaw $facedata;
		2837
		2838	$facedata->{version} == 2
		2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2840
		2841	{
		2842	my $faces = $facedata->{faceinfo};
		2843
		2844	while (my ($face, $info) = each %$faces) {
		2845	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2846	cf::face::set_visibility $idx, $info->{visibility};
		2847	cf::face::set_magicmap $idx, $info->{magicmap};
		2848	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2849	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853
		2854	while (my ($face, $info) = each %$faces) {
		2855	next unless $info->{smooth};
		2856	my $idx = cf::face::find $face
		2857	or next;
		2858	if (my $smooth = cf::face::find $info->{smooth}) {
		2859	cf::face::set_smooth $idx, $smooth;
		2860	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2861	} else {
		2862	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2863	}
		2864
		2865	cf::cede_to_tick;
		2866	}
		2867	}
		2868
		2869	{
		2870	my $anims = $facedata->{animinfo};
		2871
		2872	while (my ($anim, $info) = each %$anims) {
		2873	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2874	cf::cede_to_tick;
		2875	}
		2876
		2877	cf::anim::invalidate_all; # d'oh
		2878	}
		2879
		2880	{
		2881	# TODO: for gcfclient pleasure, we should give resources
		2882	# that gcfclient doesn't grok a >10000 face index.
		2883	my $res = $facedata->{resource};
		2884	my $enc = JSON::XS->new->utf8->canonical;
		2885
		2886	my $soundconf = delete $res->{"res/sound.conf"};
		2887
		2888	while (my ($name, $info) = each %$res) {
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2895
		2896	if ($info->{type} & 1) {
		2897	# prepend meta info
		2898
		2899	my $data = pack "(w/a*)*", $meta, $info->{data};
		2900	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2901
		2902	cf::face::set_data $idx, 0, $data, $chk;
		2903	} else {
		2904	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2905	}
		2906
		2907	cf::face::set_type $idx, $info->{type};
		2908
		2909	cf::cede_to_tick;
		2910	}
		2911
		2912	if ($soundconf) {
		2913	$soundconf = $enc->decode (delete $soundconf->{data});
		2914
		2915	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2916	my $sound = $soundconf->{compat}[$_]
		2917	or next;
		2918
		2919	my $face = cf::face::find "sound/$sound->[1]";
		2920	cf::sound::set $sound->[0] => $face;
		2921	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2922	}
		2923
		2924	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2925	my $face = cf::face::find "sound/$v";
		2926	cf::sound::set $k => $face;
		2927	}
		2928	}
		2929	}
		2930
		2931	1
		2932	}
		2933
		2934	register_exticmd fx_want => sub {
		2935	my ($ns, $want) = @_;
		2936
		2937	while (my ($k, $v) = each %$want) {
		2938	$ns->fx_want ($k, $v);
		2939	}
		2940	};
		2941
		2942	sub reload_regions {
		2943	load_resource_file "$MAPDIR/regions"
2259	or die "unable to load regions file\n";#d#	2944	or die "unable to load regions file\n";
		2945
		2946	for (cf::region::list) {
		2947	$_->{match} = qr/$_->{match}/
		2948	if exists $_->{match};
		2949	}
		2950	}
		2951
		2952	sub reload_facedata {
		2953	load_facedata "$DATADIR/facedata"
		2954	or die "unable to load facedata\n";
		2955	}
		2956
		2957	sub reload_archetypes {
		2958	load_resource_file "$DATADIR/archetypes"
		2959	or die "unable to load archetypes\n";
		2960	#d# NEED to laod twice to resolve forward references
		2961	# this really needs to be done in an extra post-pass
		2962	# (which needs to be synchronous, so solve it differently)
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	}
		2966
		2967	sub reload_treasures {
		2968	load_resource_file "$DATADIR/treasures"
		2969	or die "unable to load treasurelists\n";
		2970	}
		2971
		2972	sub reload_resources {
		2973	warn "reloading resource files...\n";
		2974
		2975	reload_regions;
		2976	reload_facedata;
		2977	#reload_archetypes;#d#
		2978	reload_archetypes;
		2979	reload_treasures;
		2980
		2981	warn "finished reloading resource files\n";
		2982	}
		2983
		2984	sub init {
		2985	reload_resources;
2260	}	2986	}
2261		2987
2262	sub cfg_load {	2988	sub cfg_load {
2263	open my $fh, "<:utf8", cf::confdir . "/config"	2989	open my $fh, "<:utf8", "$CONFDIR/config"
2264	or return;	2990	or return;
2265		2991
2266	local $/;	2992	local $/;
2267	*CFG = YAML::Syck::Load <$fh>;	2993	*CFG = YAML::Syck::Load <$fh>;
2268		2994
…		…
2276	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3002	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2277	and die "WARNING: m(un)lockall failed: $!\n";	3003	and die "WARNING: m(un)lockall failed: $!\n";
2278	};	3004	};
2279	warn $@ if $@;	3005	warn $@ if $@;
2280	}	3006	}
2281	}
2282
2283	sub init {
2284	init_resources;
2285	}	3007	}
2286		3008
2287	sub main {	3009	sub main {
2288	# we must not ever block the main coroutine	3010	# we must not ever block the main coroutine
2289	local $Coro::idle = sub {	3011	local $Coro::idle = sub {
…		…
2317	},	3039	},
2318	);	3040	);
2319	}	3041	}
2320	}	3042	}
2321		3043
		3044	sub write_runtime {
		3045	my $runtime = "$LOCALDIR/runtime";
		3046
		3047	# first touch the runtime file to show we are still running:
		3048	# the fsync below can take a very very long time.
		3049
		3050	IO::AIO::aio_utime $runtime, undef, undef;
		3051
		3052	my $guard = cf::lock_acquire "write_runtime";
		3053
		3054	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3055	or return;
		3056
		3057	my $value = $cf::RUNTIME + 90 + 10;
		3058	# 10 is the runtime save interval, for a monotonic clock
		3059	# 60 allows for the watchdog to kill the server.
		3060
		3061	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3062	and return;
		3063
		3064	# always fsync - this file is important
		3065	aio_fsync $fh
		3066	and return;
		3067
		3068	# touch it again to show we are up-to-date
		3069	aio_utime $fh, undef, undef;
		3070
		3071	close $fh
		3072	or return;
		3073
		3074	aio_rename "$runtime~", $runtime
		3075	and return;
		3076
		3077	warn "runtime file written.\n";
		3078
		3079	1
		3080	}
		3081
2322	sub emergency_save() {	3082	sub emergency_save() {
2323	my $freeze_guard = cf::freeze_mainloop;	3083	my $freeze_guard = cf::freeze_mainloop;
2324		3084
2325	warn "enter emergency perl save\n";	3085	warn "enter emergency perl save\n";
2326		3086
…		…
2357		3117
2358	warn Carp::longmess "post_cleanup backtrace"	3118	warn Carp::longmess "post_cleanup backtrace"
2359	if $make_core;	3119	if $make_core;
2360	}	3120	}
2361		3121
2362	sub reload() {	3122	sub do_reload_perl() {
2363	# can/must only be called in main	3123	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3124	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3125	warn "can only reload from main coroutine";
2366	return;	3126	return;
2367	}	3127	}
…		…
2392	Coro::cede;	3152	Coro::cede;
2393	last unless IO::AIO::nreqs || BDB::nreqs;	3153	last unless IO::AIO::nreqs || BDB::nreqs;
2394	warn "iterate...";	3154	warn "iterate...";
2395	}	3155	}
2396		3156
		3157	++$RELOAD;
		3158
2397	warn "cancelling all extension coros";	3159	warn "cancelling all extension coros";
2398	$_->cancel for values %EXT_CORO;	3160	$_->cancel for values %EXT_CORO;
2399	%EXT_CORO = ();	3161	%EXT_CORO = ();
2400		3162
2401	warn "removing commands";	3163	warn "removing commands";
2402	%COMMAND = ();	3164	%COMMAND = ();
2403		3165
2404	warn "removing ext commands";	3166	warn "removing ext/exti commands";
2405	%EXTCMD = ();	3167	%EXTCMD = ();
		3168	%EXTICMD = ();
2406		3169
2407	warn "unloading/nuking all extensions";	3170	warn "unloading/nuking all extensions";
2408	for my $pkg (@EXTS) {	3171	for my $pkg (@EXTS) {
2409	warn "... unloading $pkg";	3172	warn "... unloading $pkg";
2410		3173
…		…
2440	Symbol::delete_package "safe::$_"	3203	Symbol::delete_package "safe::$_"
2441	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3204	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2442		3205
2443	warn "unloading cf.pm \"a bit\"";	3206	warn "unloading cf.pm \"a bit\"";
2444	delete $INC{"cf.pm"};	3207	delete $INC{"cf.pm"};
		3208	delete $INC{"cf/pod.pm"};
2445		3209
2446	# don't, removes xs symbols, too,	3210	# don't, removes xs symbols, too,
2447	# and global variables created in xs	3211	# and global variables created in xs
2448	#Symbol::delete_package __PACKAGE__;	3212	#Symbol::delete_package __PACKAGE__;
2449		3213
…		…
2458		3222
2459	warn "loading extensions";	3223	warn "loading extensions";
2460	cf::load_extensions;	3224	cf::load_extensions;
2461		3225
2462	warn "reattaching attachments to objects/players";	3226	warn "reattaching attachments to objects/players";
2463	_global_reattach;	3227	_global_reattach; # objects, sockets
2464	warn "reattaching attachments to maps";	3228	warn "reattaching attachments to maps";
2465	reattach $_ for values %MAP;	3229	reattach $_ for values %MAP;
2466		3230	warn "reattaching attachments to players";
2467	warn "loading reloadable resources";	3231	reattach $_ for values %PLAYER;
2468	init_resources;
2469		3232
2470	warn "leaving sync_job";	3233	warn "leaving sync_job";
2471		3234
2472	1	3235	1
2473	} or do {	3236	} or do {
…		…
2479	warn "reloaded";	3242	warn "reloaded";
2480	};	3243	};
2481		3244
2482	our $RELOAD_WATCHER; # used only during reload	3245	our $RELOAD_WATCHER; # used only during reload
2483		3246
		3247	sub reload_perl() {
		3248	# doing reload synchronously and two reloads happen back-to-back,
		3249	# coro crashes during coro_state_free->destroy here.
		3250
		3251	$RELOAD_WATCHER ||= Event->timer (
		3252	reentrant => 0,
		3253	after => 0,
		3254	data => WF_AUTOCANCEL,
		3255	cb => sub {
		3256	do_reload_perl;
		3257	undef $RELOAD_WATCHER;
		3258	},
		3259	);
		3260	}
		3261
2484	register_command "reload" => sub {	3262	register_command "reload" => sub {
2485	my ($who, $arg) = @_;	3263	my ($who, $arg) = @_;
2486		3264
2487	if ($who->flag (FLAG_WIZ)) {	3265	if ($who->flag (FLAG_WIZ)) {
2488	$who->message ("reloading server.");	3266	$who->message ("reloading server.");
2489		3267	async { reload_perl };
2490	# doing reload synchronously and two reloads happen back-to-back,
2491	# coro crashes during coro_state_free->destroy here.
2492
2493	$RELOAD_WATCHER ||= Event->timer (
2494	reentrant => 0,
2495	after => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => sub {
2498	reload;
2499	undef $RELOAD_WATCHER;
2500	},
2501	);
2502	}	3268	}
2503	};	3269	};
2504		3270
2505	unshift @INC, $LIBDIR;	3271	unshift @INC, $LIBDIR;
2506		3272
2507	my $bug_warning = 0;	3273	my $bug_warning = 0;
2508		3274
		3275	our @WAIT_FOR_TICK;
		3276	our @WAIT_FOR_TICK_BEGIN;
		3277
		3278	sub wait_for_tick {
		3279	return unless $TICK_WATCHER->is_active;
		3280	return if $Coro::current == $Coro::main;
		3281
		3282	my $signal = new Coro::Signal;
		3283	push @WAIT_FOR_TICK, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	sub wait_for_tick_begin {
		3288	return unless $TICK_WATCHER->is_active;
		3289	return if $Coro::current == $Coro::main;
		3290
		3291	my $signal = new Coro::Signal;
		3292	push @WAIT_FOR_TICK_BEGIN, $signal;
		3293	$signal->wait;
		3294	}
		3295
		3296	my $min = 1e6;#d#
		3297	my $avg = 10;
2509	$TICK_WATCHER = Event->timer (	3298	$TICK_WATCHER = Event->timer (
2510	reentrant => 0,	3299	reentrant => 0,
2511	parked => 1,	3300	parked => 1,
2512	prio => 0,	3301	prio => 0,
2513	at => $NEXT_TICK || $TICK,	3302	at => $NEXT_TICK || $TICK,
…		…
2517	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3306	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2518	unless ++$bug_warning > 10;	3307	unless ++$bug_warning > 10;
2519	return;	3308	return;
2520	}	3309	}
2521		3310
2522	$NOW = Event::time;	3311	$NOW = $tick_start = Event::time;
2523		3312
2524	cf::server_tick; # one server iteration	3313	cf::server_tick; # one server iteration
		3314
		3315	0 && sync_job {#d#
		3316	for(1..10) {
		3317	my $t = Event::time;
		3318	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3319	or die;
		3320
		3321	$map->width (50);
		3322	$map->height (50);
		3323	$map->alloc;
		3324	$map->_load_objects ("/tmp/x.map", 1);
		3325	my $t = Event::time - $t;
		3326
		3327	#next unless $t < 0.0013;#d#
		3328	if ($t < $min) {
		3329	$min = $t;
		3330	}
		3331	$avg = $avg * 0.99 + $t * 0.01;
		3332	}
		3333	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3334	exit 0;
		3335	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3336	};
		3337
2525	$RUNTIME += $TICK;	3338	$RUNTIME += $TICK;
2526	$NEXT_TICK += $TICK;	3339	$NEXT_TICK += $TICK;
2527		3340
2528	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3341	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529	$NEXT_RUNTIME_WRITE = $NOW + 10;	3342	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2531	write_runtime	3344	write_runtime
2532	or warn "ERROR: unable to write runtime file: $!";	3345	or warn "ERROR: unable to write runtime file: $!";
2533	};	3346	};
2534	}	3347	}
2535		3348
2536	$WAIT_FOR_TICK->broadcast;
2537	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2538
2539	# my $AFTER = Event::time;	3349	# my $AFTER = Event::time;
2540	# warn $AFTER - $NOW;#d#	3350	# warn $AFTER - $NOW;#d#
2541		3351
		3352	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3353	$sig->send;
		3354	}
		3355	while (my $sig = shift @WAIT_FOR_TICK) {
		3356	$sig->send;
		3357	}
		3358
		3359	$NOW = Event::time;
		3360
2542	# if we are delayed by four ticks or more, skip them all	3361	# if we are delayed by four ticks or more, skip them all
2543	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3362	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2544		3363
2545	$TICK_WATCHER->at ($NEXT_TICK);	3364	$TICK_WATCHER->at ($NEXT_TICK);
2546	$TICK_WATCHER->start;	3365	$TICK_WATCHER->start;
		3366
		3367	$LOAD = ($NOW - $tick_start) / $TICK;
		3368	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3369
		3370	_post_tick;
		3371
		3372
2547	},	3373	},
2548	);	3374	);
2549		3375
2550	{	3376	{
2551	BDB::max_poll_time $TICK * 0.1;	3377	BDB::max_poll_time $TICK * 0.1;
…		…
2579		3405
2580	cf::sync_job {	3406	cf::sync_job {
2581	eval {	3407	eval {
2582	BDB::db_env_open	3408	BDB::db_env_open
2583	$DB_ENV,	3409	$DB_ENV,
2584	$BDB_ENV_DIR,	3410	$BDBDIR,
2585	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3411	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2586	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3412	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2587	0666;	3413	0666;
2588		3414
2589	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3415	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2590		3416
2591	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3417	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2592	$DB_ENV->set_lk_detect;	3418	$DB_ENV->set_lk_detect;
2593	};	3419	};
2594		3420
…		…
2610	prio => 6,	3436	prio => 6,
2611	cb => \&IO::AIO::poll_cb,	3437	cb => \&IO::AIO::poll_cb,
2612	);	3438	);
2613	}	3439	}
2614		3440
		3441	my $_log_backtrace;
		3442
		3443	sub _log_backtrace {
		3444	my ($msg, @addr) = @_;
		3445
		3446	$msg =~ s/\n//;
		3447
		3448	# limit the # of concurrent backtraces
		3449	if ($_log_backtrace < 2) {
		3450	++$_log_backtrace;
		3451	async {
		3452	my @bt = fork_call {
		3453	@addr = map { sprintf "%x", $_ } @addr;
		3454	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3455	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3456	or die "addr2line: $!";
		3457
		3458	my @funcs;
		3459	my @res = <$fh>;
		3460	chomp for @res;
		3461	while (@res) {
		3462	my ($func, $line) = splice @res, 0, 2, ();
		3463	push @funcs, "[$func] $line";
		3464	}
		3465
		3466	@funcs
		3467	};
		3468
		3469	LOG llevInfo, "[ABT] $msg\n";
		3470	LOG llevInfo, "[ABT] $_\n" for @bt;
		3471	--$_log_backtrace;
		3472	};
		3473	} else {
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] [suppressed]\n";
		3476	}
		3477	}
		3478
		3479	# load additional modules
		3480	use cf::pod;
		3481
2615	END { cf::emergency_save }	3482	END { cf::emergency_save }
2616		3483
2617	1	3484	1
2618		3485

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