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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.173 by root, Sun Jan 14 18:00:34 2007 UTC vs.
Revision 1.335 by root, Mon Aug 20 22:21:48 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 3.3 ();	15	use Coro 3.64 ();
		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;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
101	every server tick.	133	every server tick.
102		134
103	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
124	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
125	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
126	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
149	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
150		204
151	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
228	returned.	275	returned.
229		276
230	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
288		400
289	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
353		475
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		477
358	aio_fsync $fh	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	close $fh	481	# we seemingly have to make a local copy of the whole thing,
362	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
365	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
367	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	618	}
369		619
370	=back	620	=back
371		621
372	=cut	622	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
381		631
382	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	634	Crossfire TRT).
385		635
386	=over 4	636	=over 4
387		637
388	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
389		639
…		…
552	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
553		803
554	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
555	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
556	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
557	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
558		808
559	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
560	my $pkg = shift @arg;	810	my $pkg = shift @arg;
561		811
562	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
591	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
592	}	842	}
593		843
594	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
595	} else {	845	} else {
596	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
597	}	847	}
598		848
599	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
600	}	850	}
601		851
…		…
603	if (ref $_[0]) {	853	if (ref $_[0]) {
604	_object_attach @_;	854	_object_attach @_;
605	} else {	855	} else {
606	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
607	}	857	}
		858	_recalc_want;
608	};	859	};
609		860
610	# all those should be optimised	861	# all those should be optimised
611	sub cf::attachable::detach {	862	sub cf::attachable::detach {
612	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
615	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
616	reattach ($obj);	867	reattach ($obj);
617	} else {	868	} else {
618	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
619	}	870	}
		871	_recalc_want;
620	};	872	};
621		873
622	sub cf::attachable::attached {	874	sub cf::attachable::attached {
623	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
624		876
…		…
639	";	891	";
640	die if $@;	892	die if $@;
641	}	893	}
642		894
643	our $override;	895	our $override;
644	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
645		897
646	sub override {	898	sub override {
647	$override = 1;	899	$override = 1;
648	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
649	}	901	}
650		902
651	sub do_invoke {	903	sub do_invoke {
652	my $event = shift;	904	my $event = shift;
653	my $callbacks = shift;	905	my $callbacks = shift;
654		906
655	@invoke_results = ();	907	@INVOKE_RESULTS = ();
656		908
657	local $override;	909	local $override;
658		910
659	for (@$callbacks) {	911	for (@$callbacks) {
660	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
677		929
678	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
679		931
680	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
681	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
682	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
683		935
684	=back	936	=back
685		937
686	=cut	938	=cut
687		939
688	#############################################################################	940	#############################################################################
689	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
690		953
691	sub reattach {	954	sub reattach {
692	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
693	my ($obj) = @_;	956	my ($obj) = @_;
694		957
…		…
747	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
748		1011
749	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
750	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
751	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
752	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1016	close $fh;
754		1017
755	if (@$objs) {	1018	if (@$objs) {
756	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
757	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
758	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
759	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
760	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
761	close $fh;	1024	close $fh;
762	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
763	}	1026	}
764	} else {	1027	} else {
765	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
797	or return;	1060	or return;
798	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
799	}	1062	}
800		1063
801	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
802	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
803	return ($data, $av);	1066	return ($data, $av);
804	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
805		1074
806	#############################################################################	1075	#############################################################################
807	# command handling &c	1076	# command handling &c
808		1077
809	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
822	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
823	}	1092	}
824		1093
825	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
826		1095
827	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
828		1101
829	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
830	called.	1103	called.
831		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
832	=cut	1116	=cut
833		1117
834	sub register_extcmd {	1118	sub register_extcmd {
835	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
836		1120
837	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
838	}	1128	}
839		1129
840	cf::player->attach (	1130	cf::player->attach (
841	on_command => sub {	1131	on_command => sub {
842	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
851	cf::override;	1141	cf::override;
852	},	1142	},
853	on_extcmd => sub {	1143	on_extcmd => sub {
854	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
855		1145
856	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
857		1147
858	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
859	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
860	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
861	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
862	}	1158	if $reply;
863	}	1159	}
864	} else {	1160	} else {
865	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
866	}	1162	}
867		1163
868	cf::override;	1164	cf::override;
869	},	1165	},
870	);	1166	);
871		1167
872	sub load_extension {
873	my ($path) = @_;
874
875	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
876	my $base = $1;
877	my $pkg = $1;
878	$pkg =~ s/[^[:word:]]/_/g;
879	$pkg = "ext::$pkg";
880
881	warn "... loading '$path' into '$pkg'\n";
882
883	open my $fh, "<:utf8", $path
884	or die "$path: $!";
885
886	my $source =
887	"package $pkg; use strict; use utf8;\n"
888	. "#line 1 \"$path\"\n{\n"
889	. (do { local $/; <$fh> })
890	. "\n};\n1";
891
892	unless (eval $source) {
893	my $msg = $@ ? "$path: $@\n"
894	: "extension disabled.\n";
895	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
896	warn $@;
897	warn "mandatory extension failed to load, exiting.\n";
898	exit 1;
899	}
900	die $@;
901	}
902
903	push @EXTS, $pkg;
904	}
905
906	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
907	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
908	next unless -r $ext;	1173	next unless -r $path;
909	eval {	1174
910	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
911	1	1232	}
912	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
913	}	1238	};
914	}	1239	}
915		1240
916	#############################################################################	1241	#############################################################################
917		1242
		1243	=back
		1244
918	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
919		1246
920	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
921		1248
922	=cut	1249	=cut
…		…
934	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
935		1262
936	=cut	1263	=cut
937		1264
938	sub playerdir($) {	1265	sub playerdir($) {
939	cf::localdir	1266	"$PLAYERDIR/"
940	. "/"
941	. cf::playerdir
942	. "/"
943	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
944	}	1268	}
945		1269
946	sub path($) {	1270	sub path($) {
947	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948		1272
949	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
950	}	1274	}
951		1275
952	sub find_active($) {	1276	sub find_active($) {
953	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
954	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
957		1281
958	sub exists($) {	1282	sub exists($) {
959	my ($login) = @_;	1283	my ($login) = @_;
960		1284
961	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
962	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
963	}	1287	}
964		1288
965	sub find($) {	1289	sub find($) {
966	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
967	my $login = $_[0];	1291	my $login = $_[0];
968		1292
969	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
970		1294
971	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
972	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
973	or return;	1304	or return;
974	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
975	}	1306	}
976	}	1307	}
…		…
1004	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1005		1336
1006	$self	1337	$self
1007	}	1338	}
1008		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1009	=item $pl->quit_character	1350	=item $pl->quit_character
1010		1351
1011	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1012	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1013		1354
1014	=cut	1355	=cut
1015		1356
1016	sub quit_character {	1357	sub quit_character {
1017	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1018		1361
1019	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1020	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1021		1364
1022	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1027	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1028	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1029	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1030	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1031	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1032	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1033	}	1396	}
1034		1397
1035	=item cf::player::list_logins	1398	=item cf::player::list_logins
1036		1399
1037	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1038	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1039		1402
1040	=cut	1403	=cut
1041		1404
1042	sub list_logins {	1405	sub list_logins {
1043	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1044	or return [];	1407	or return [];
1045		1408
1046	my @logins;	1409	my @logins;
1047		1410
1048	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1065	=cut	1428	=cut
1066		1429
1067	sub maps($) {	1430	sub maps($) {
1068	my ($pl) = @_;	1431	my ($pl) = @_;
1069		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1070	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1071	or return;	1436	or return;
1072		1437
1073	my @paths;	1438	my @paths;
1074		1439
1075	for (@$files) {	1440	for (@$files) {
1076	utf8::decode $_;	1441	utf8::decode $_;
1077	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1078	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1079		1444
1080	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1081	push @paths, "~" . $pl->ob->name . "/" . $_;
1082	}	1446	}
1083		1447
1084	\@paths	1448	\@paths
1085	}	1449	}
1086		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1087	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1088		1502
1089	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1090		1504
1091	=cut	1505	=cut
1092		1506
1093	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1094	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1095		1509
1096	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1097		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1098	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1099	}	1517	}
1100		1518
1101	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1102		1559
1103	=back	1560	=back
1104
1105		1561
1106	=head3 cf::map	1562	=head3 cf::map
1107		1563
1108	=over 4	1564	=over 4
1109		1565
…		…
1121	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1123		1579
1124	sub generate_random_map {	1580	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1583	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1595	)
1141	}	1596	}
1142		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1143	sub register {	1606	sub register {
1144	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1608	my $pkg = caller;
1146		1609
1147	no strict;	1610	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1612
1150	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1614	}
1152		1615
1153	# also paths starting with '/'	1616	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1155		1618
1156	sub thawer_merge {	1619	sub thawer_merge {
1157	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1158		1621
1159	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1160	local $self->{path};	1623	local $self->{path};
1161	local $self->{load_path};	1624	local $self->{load_path};
1162	local $self->{deny_save};
1163	local $self->{deny_reset};
1164		1625
1165	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1166	}	1627	}
1167		1628
1168	sub normalise {	1629	sub normalise {
1169	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1170		1635
1171	# map plan:	1636	# map plan:
1172	#	1637	#
1173	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1174	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1202		1667
1203	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1204		1669
1205	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1206		1671
1207	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1208	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1209	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1210	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1211	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1212	return $self;	1677	return $self;
1213	}	1678	}
1214	}	1679	}
1215		1680
1216	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1217	()	1682	()
1218	}	1683	}
1219		1684
1220	sub init {	1685	sub init {
1221	my ($self) = @_;	1686	my ($self) = @_;
…		…
1236		1701
1237	# the original (read-only) location	1702	# the original (read-only) location
1238	sub load_path {	1703	sub load_path {
1239	my ($self) = @_;	1704	my ($self) = @_;
1240		1705
1241	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1242	}	1707	}
1243		1708
1244	# the temporary/swap location	1709	# the temporary/swap location
1245	sub save_path {	1710	sub save_path {
1246	my ($self) = @_;	1711	my ($self) = @_;
1247		1712
1248	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1249	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1250	}	1715	}
1251		1716
1252	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1253	sub uniq_path {	1718	sub uniq_path {
1254	my ($self) = @_;	1719	my ($self) = @_;
1255		1720
1256	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1257	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1258	}	1723	}
1259		1724
1260	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1261	# all maps in C++...	1726	# all maps in C++...
1262	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1264		1729
1265	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1266	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1267	}	1732	}
1268		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1269	sub unlink_save {	1742	sub unlink_save {
1270	my ($self) = @_;	1743	my ($self) = @_;
1271		1744
1272	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1273	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1276		1749
1277	sub load_header_from($) {	1750	sub load_header_from($) {
1278	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1279		1752
1280	utf8::encode $path;	1753	utf8::encode $path;
1281	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1282	or return;	1755	# or return;
1283		1756
1284	$self->_load_header ($path)	1757	$self->_load_header ($path)
1285	or return;	1758	or return;
1286		1759
1287	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1288		1761
1289	1	1762	1
1290	}	1763	}
1291		1764
1292	sub load_orig {	1765	sub load_header_orig {
1293	my ($self) = @_;	1766	my ($self) = @_;
1294		1767
1295	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1296	}	1769	}
1297		1770
1298	sub load_temp {	1771	sub load_header_temp {
1299	my ($self) = @_;	1772	my ($self) = @_;
1300		1773
1301	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1302	}	1794	}
1303		1795
1304	sub load_header {	1796	sub load_header {
1305	my ($self) = @_;	1797	my ($self) = @_;
1306		1798
1307	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1308	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1309	|| $cf::RUNTIME); #d#
1310	# safety
1311	$self->{instantiate_time} = $cf::RUNTIME
1312	if $self->{instantiate_time} > $cf::RUNTIME;
1313	} else {	1801	} else {
1314	$self->load_orig	1802	$self->load_header_orig
1315	or return;	1803	or return;
1316		1804	$self->prepare_orig;
1317	$self->{load_original} = 1;
1318	$self->{instantiate_time} = $cf::RUNTIME;
1319	$self->last_access ($cf::RUNTIME);
1320	$self->instantiate;
1321	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1322		1812
1323	1	1813	1
1324	}	1814	}
1325		1815
1326	sub find;	1816	sub find;
…		…
1339	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1340		1830
1341	$map->load_header	1831	$map->load_header
1342	or return;	1832	or return;
1343		1833
1344	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
1345	$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1346	$map->reset;	1837	$map->reset;
1347	undef $guard;	1838	undef $guard;
1348	$map = find $path	1839	return find $path;
1349	or return;
1350	}	1840	}
1351		1841
1352	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1353	}	1843	}
1354	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1355		1848
1356	sub load {	1849	sub load {
1357	my ($self) = @_;	1850	my ($self) = @_;
1358		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1359	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1360	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1361		1858
1362	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1363		1860
1364	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1365		1862
1366	$self->alloc;	1863	$self->alloc;
1367	$self->_load_objects ($self->{load_path}, 1)
1368	or return;
1369		1864
1370	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->pre_load;
1371	if delete $self->{load_original};
1372
1373	if (my $uniq = $self->uniq_path) {
1374	utf8::encode $uniq;
1375	if (aio_open $uniq, O_RDONLY, 0) {
1376	$self->clear_unique_items;
1377	$self->_load_objects ($uniq, 0);
1378	}
1379	}
1380
1381	Coro::cede;
1382
1383	# now do the right thing for maps
1384	$self->link_multipart_objects;
1385
1386	unless ($self->{deny_activate}) {
1387	$self->decay_objects;
1388	$self->fix_auto_apply;
1389	$self->update_buttons;
1390	Coro::cede;	1866	Coro::cede;
1391	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1392	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1393	unless $self->difficulty;	1886	unless $self->difficulty;
1394	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1395	$self->activate;	1896	$self->activate;
1396	}	1897	}
1397		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1398	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
1399	}	1906	}
1400		1907
1401	sub customise_for {	1908	sub customise_for {
1402	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1403		1910
1404	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1405	if $self->per_player;	1912	if $self->per_player;
1406		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1407	$self	1917	$self
1408	}	1918	}
1409		1919
1410	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1411	sub load_diag {	1921	sub load_neighbours {
1412	my ($map) = @_;	1922	my ($map) = @_;
1413		1923
1414	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1415		1925
1416	for (0 .. 3) {	1926	for (0 .. 3) {
1417	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1418	or next;	1928	or next;
1419	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1420	or next;	1930	or next;
1421	$neigh->load;	1931	$neigh->load;
1422		1932
		1933	push @neigh,
1423	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1424	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1425	}	1936	}
1426		1937
1427	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1428	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1429	or next;	1941	or next;
1430	$neigh->load;	1942	$neigh->load;
1431	}	1943	}
1432	}	1944	}
1433		1945
…		…
1442		1954
1443	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1444	}	1956	}
1445		1957
1446	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1447	our $MAP_PREFETCHER = Coro::async {	1959	our $MAP_PREFETCHER = undef;
1448	while () {
1449	for my $path (keys %MAP_PREFETCH) {
1450	my $map = find $path
1451	or next;
1452	$map->load;
1453
1454	delete $MAP_PREFETCH{$path};
1455	}
1456	Coro::schedule;
1457	}
1458	};
1459		1960
1460	sub find_async {	1961	sub find_async {
1461	my ($path, $origin) = @_;	1962	my ($path, $origin) = @_;
1462		1963
1463	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1464		1965
1465	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1466	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467	}	1968	}
1468		1969
1469	$MAP_PREFETCH{$path} = 0;	1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
1470	$MAP_PREFETCHER->ready;	1983	$MAP_PREFETCHER->prio (6);
1471		1984
1472	()	1985	()
1473	}	1986	}
1474		1987
1475	sub save {	1988	sub save {
…		…
1520		2033
1521	sub reset_at {	2034	sub reset_at {
1522	my ($self) = @_;	2035	my ($self) = @_;
1523		2036
1524	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1525	return 1e99 if $self->isa ("ext::map_per_player");#d#
1526	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1527		2039
1528	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1529	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1530		2042
…		…
1535	my ($self) = @_;	2047	my ($self) = @_;
1536		2048
1537	$self->reset_at <= $cf::RUNTIME	2049	$self->reset_at <= $cf::RUNTIME
1538	}	2050	}
1539		2051
1540	sub rename {
1541	my ($self, $new_path) = @_;
1542
1543	normalise $new_path;
1544
1545	$self->unlink_save;
1546
1547	delete $cf::MAP{$self->path};
1548	$self->{path} = $new_path; $self->path ($self->{path});
1549	$cf::MAP{$self->path} = $self;
1550
1551	$self->save;
1552	}
1553
1554	sub reset {	2052	sub reset {
1555	my ($self) = @_;	2053	my ($self) = @_;
1556		2054
1557	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1558		2056
1559	return if $self->players;	2057	return if $self->players;
1560	return if $self->isa ("ext::map_per_player");#d#
1561		2058
1562	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1563		2070
1564	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1565		2072
1566	$self->in_memory (cf::MAP_SWAPPED);
1567	$self->clear;	2073	$self->clear;
1568		2074
1569	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1570		2076
1571	$self->unlink_save;	2077	$self->unlink_save;
…		…
1575	my $nuke_counter = "aaaa";	2081	my $nuke_counter = "aaaa";
1576		2082
1577	sub nuke {	2083	sub nuke {
1578	my ($self) = @_;	2084	my ($self) = @_;
1579		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
1580	$self->{deny_save} = 1;	2092	$self->{deny_save} = 1;
1581	$self->reset_timeout (1);	2093	$self->reset_timeout (1);
1582	$self->rename ("{nuke}/" . ($nuke_counter++));	2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
1583	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
		2099	}
		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
1584	}	2135	}
1585		2136
1586	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1587		2138
1588	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1589	instantiated unique items. May block.	2140	instantiated unique items. May block.
1590		2141
1591	=cut	2142	=cut
1592		2143
1593	sub unique_maps() {	2144	sub unique_maps() {
1594	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1595	or return;	2146	map {
1596
1597	my @paths;
1598
1599	for (@$files) {
1600	utf8::decode $_;	2147	utf8::decode $_;
1601	next if /\.pst$/;
1602	next unless /^$PATH_SEP/o;
1603
1604	s/\.map$//;	2148	/\.map$/
1605	push @paths, $_;	2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2152	]
1607
1608	\@paths
1609	}	2153	}
1610		2154
1611	package cf;	2155	package cf;
1612		2156
1613	=back	2157	=back
…		…
1659		2203
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2205
1662	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1664	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1667	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1668	}	2231	}
1669		2232
1670	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1671		2234
1672	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1704	=cut	2267	=cut
1705		2268
1706	sub link_map {	2269	sub link_map {
1707	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1708	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1709	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1710	$LINK_MAP->load;	2273	$LINK_MAP->load;
1711	}	2274	}
1712		2275
1713	$LINK_MAP	2276	$LINK_MAP
1714	}	2277	}
…		…
1719	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1720		2283
1721	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1722		2285
1723	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1724	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1725		2288
1726	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1727	}	2290	}
1728		2291
1729	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1730	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1731		2296
1732	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1733		2298
1734	unless ($map) {	2299	unless ($map) {
1735	# restore original map position	2300	# restore original map position
…		…
1749	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1750	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1751	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1752		2317
1753	$map->load;	2318	$map->load;
1754	$map->load_diag;	2319	$map->load_neighbours;
1755		2320
1756	return unless $self->contr->active;	2321	return unless $self->contr->active;
1757	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1758	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1759	}	2326	}
1760		2327
1761	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1762	on_logout => sub {
1763	my ($pl) = @_;
1764		2329
1765	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1766	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1767	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1768	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1769	};	2334	be called at the end of this process.
1770	}
1771	},
1772	on_login => sub {
1773	my ($pl) = @_;
1774		2335
1775	# try to abort aborted map switching on player login :)
1776	# should happen only on crashes
1777	if ($pl->ob->{_link_pos}) {
1778	$pl->ob->enter_link;
1779	(async {
1780	# we need this sleep as the login has a concurrent enter_exit running
1781	# and this sleep increases chances of the player not ending up in scorn
1782	$pl->ob->reply (undef,
1783	"There was an internal problem at your last logout, "
1784	. "the server will try to bring you to your intended destination in a second.",
1785	cf::NDI_RED);
1786	Coro::Timer::sleep 1;
1787	$pl->ob->leave_link;
1788	})->prio (2);
1789	}
1790	},
1791	);
1792
1793	=item $player_object->goto ($path, $x, $y)
1794
1795	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1796		2339
1797	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1798	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1799		2345
1800	$self->enter_link;	2346	$self->enter_link;
1801		2347
1802	(async {	2348	(async {
		2349	my $map = eval {
1803	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1804	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1805		2354	$map = $check->($map) if $check && $map;
1806	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1807	# if $map;
1808
1809	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1810		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1811	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1812	})->prio (1);	2373	})->prio (1);
1813	}	2374	}
1814		2375
1815	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1816		2377
…		…
1818		2379
1819	sub parse_random_map_params {	2380	sub parse_random_map_params {
1820	my ($spec) = @_;	2381	my ($spec) = @_;
1821		2382
1822	my $rmp = { # defaults	2383	my $rmp = { # defaults
1823	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1824	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1825	};	2388	};
1826		2389
1827	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1828	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1829		2392
…		…
1833	$rmp	2396	$rmp
1834	}	2397	}
1835		2398
1836	sub prepare_random_map {	2399	sub prepare_random_map {
1837	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1838		2403
1839	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1840	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1841	# that depends on the exit object	2406	# that depends on the exit object
1842		2407
1843	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1844		2409
1845	if ($exit->map) {	2410	if ($exit->map) {
1846	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1847	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1848	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1849	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1850	}	2415	}
1851		2416
1852	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1853		2418
1854	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1855	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1856		2422
1857	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1858	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1859		2427
1860	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1861	$exit->msg (undef);	2429	$exit->msg (undef);
1862	}	2430	}
1863	}	2431	}
…		…
1865	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1866	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1867		2435
1868	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1869		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1870	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1871		2454
1872	(async {	2455	(async {
1873	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1874	unless (eval {	2457	unless (eval {
1875	prepare_random_map $exit	2458	$self->goto ($slaying, $hp, $sp);
1876	if $exit->slaying eq "/!";
1877
1878	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1879	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1880		2459
1881	1;	2460	1;
1882	}) {	2461	}) {
1883	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1884	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1885	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1886	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1887		2466
1888	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1889	$self->leave_link;	2468	$self->leave_link;
1890	}	2469	}
1891	})->prio (1);	2470	})->prio (1);
…		…
1904		2483
1905	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1906	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1907		2486
1908	utf8::encode $text;	2487	utf8::encode $text;
1909	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1910	}	2489	}
1911		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1912		2571
1913	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1914		2573
1915	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1916	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1917	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1918		2577
1919	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1920	reliable at some point in the future.	2579	become reliable at some point in the future.
1921		2580
1922	=cut	2581	=cut
1923		2582
1924	sub cf::client::query {	2583	sub cf::client::query {
1925	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1933	utf8::encode $text;	2592	utf8::encode $text;
1934	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1935		2594
1936	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1937	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1938	}	2599	}
1939		2600
1940	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1941	on_reply => sub {	2607	on_reply => sub {
1942	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1943		2609
1944	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1945	# get handled first	2611	# get handled first
1946	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1947	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1948		2614
1949	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1950		2617
1951	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1952		2619
1953	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1954	if (@$queue) {	2621	if (@$queue) {
…		…
1956	} else {	2623	} else {
1957	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1958	}	2625	}
1959	}	2626	}
1960	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1961	);	2651	);
1962		2652
1963	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1964		2654
1965	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2006	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2007	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2008		2698
2009	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2010		2700
2011	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2012		2706
2013	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2014		2708
2015	=pod	2709	=pod
2016		2710
2017	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2018		2712
2019	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2020	cf::object::player player	2717	cf::object::player
2021	cf::player peaceful	2718	player
2022	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2023		2725
2024	=cut	2726	=cut
2025		2727
2026	for (	2728	for (
2027	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2028	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2029	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2030	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2031	) {	2734	) {
2032	no strict 'refs';	2735	no strict 'refs';
…		…
2103	=back	2806	=back
2104		2807
2105	=cut	2808	=cut
2106		2809
2107	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2108		2812
2109	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2110		2815
2111	Crossfire maintains a very simple database for extension use. It can	2816	my $enc = JSON::XS->new->utf8->canonical;
2112	currently store anything that can be serialised using Storable, which
2113	excludes objects.
2114		2817
2115	The parameter C<$family> should best start with the name of the extension	2818	warn "loading facedata from $path\n";
2116	using it, it should be unique.
2117		2819
2118	=over 4	2820	my $facedata;
		2821	0 < aio_load $path, $facedata
		2822	or die "$path: $!";
2119		2823
2120	=item $hashref = cf::db_get $family	2824	$facedata = Coro::Storable::thaw $facedata;
2121		2825
2122	Return a hashref for use by the extension C<$family>, which can be	2826	$facedata->{version} == 2
2123	modified. After modifications, you have to call C<cf::db_dirty> or	2827	or cf::cleanup "$path: version mismatch, cannot proceed.";
2124	C<cf::db_sync>.
2125		2828
2126	=item $value = cf::db_get $family => $key	2829	# patch in the exptable
2127		2830	$facedata->{resource}{"res/exp_table"} = {
2128	Returns a single value from the database	2831	type => FT_RSRC,
2129		2832	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2130	=item cf::db_put $family => $hashref
2131
2132	Stores the given family hashref into the database. Updates are delayed, if
2133	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2134
2135	=item cf::db_put $family => $key => $value
2136
2137	Stores the given C<$value> in the family hash. Updates are delayed, if you
2138	want the data to be synced to disk immediately, use C<cf::db_sync>.
2139
2140	=item cf::db_dirty
2141
2142	Marks the database as dirty, to be updated at a later time.
2143
2144	=item cf::db_sync
2145
2146	Immediately write the database to disk I<if it is dirty>.
2147
2148	=cut
2149
2150	our $DB;
2151
2152	{
2153	my $path = cf::localdir . "/database.pst";
2154
2155	sub db_load() {
2156	$DB = stat $path ? Storable::retrieve $path : { };
2157	}
2158
2159	my $pid;
2160
2161	sub db_save() {
2162	waitpid $pid, 0 if $pid;
2163	if (0 == ($pid = fork)) {
2164	$DB->{_meta}{version} = 1;
2165	Storable::nstore $DB, "$path~";
2166	rename "$path~", $path;
2167	cf::_exit 0 if defined $pid;
2168	}
2169	}
2170
2171	my $dirty;
2172
2173	sub db_sync() {
2174	db_save if $dirty;
2175	undef $dirty;
2176	}
2177
2178	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2179	db_sync;
2180	});	2833	};
		2834	cf::cede_to_tick;
2181		2835
2182	sub db_dirty() {
2183	$dirty = 1;
2184	$idle->start;
2185	}	2836	{
		2837	my $faces = $facedata->{faceinfo};
2186		2838
2187	sub db_get($;$) {	2839	while (my ($face, $info) = each %$faces) {
2188	@_ >= 2	2840	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2189	? $DB->{$_[0]}{$_[1]}	2841	cf::face::set_visibility $idx, $info->{visibility};
2190	: ($DB->{$_[0]} ||= { })	2842	cf::face::set_magicmap $idx, $info->{magicmap};
2191	}	2843	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2844	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2192		2845
2193	sub db_put($$;$) {	2846	cf::cede_to_tick;
2194	if (@_ >= 3) {
2195	$DB->{$_[0]}{$_[1]} = $_[2];
2196	} else {
2197	$DB->{$_[0]} = $_[1];
2198	}
2199	db_dirty;
2200	}
2201
2202	cf::global->attach (
2203	prio => 10000,
2204	on_cleanup => sub {
2205	db_sync;
2206	},	2847	}
2207	);
2208	}
2209		2848
2210	#############################################################################	2849	while (my ($face, $info) = each %$faces) {
2211	# the server's main()	2850	next unless $info->{smooth};
		2851	my $idx = cf::face::find $face
		2852	or next;
		2853	if (my $smooth = cf::face::find $info->{smooth}) {
		2854	cf::face::set_smooth $idx, $smooth;
		2855	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2856	} else {
		2857	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2858	}
		2859
		2860	cf::cede_to_tick;
		2861	}
		2862	}
		2863
		2864	{
		2865	my $anims = $facedata->{animinfo};
		2866
		2867	while (my ($anim, $info) = each %$anims) {
		2868	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2869	cf::cede_to_tick;
		2870	}
		2871
		2872	cf::anim::invalidate_all; # d'oh
		2873	}
		2874
		2875	{
		2876	# TODO: for gcfclient pleasure, we should give resources
		2877	# that gcfclient doesn't grok a >10000 face index.
		2878	my $res = $facedata->{resource};
		2879
		2880	my $soundconf = delete $res->{"res/sound.conf"};
		2881
		2882	while (my ($name, $info) = each %$res) {
		2883	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2884	my $data;
		2885
		2886	if ($info->{type} & 1) {
		2887	# prepend meta info
		2888
		2889	my $meta = $enc->encode ({
		2890	name => $name,
		2891	%{ $info->{meta} || {} },
		2892	});
		2893
		2894	$data = pack "(w/a*)*", $meta, $info->{data};
		2895	}
		2896
		2897	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2898	cf::face::set_type $idx, $info->{type};
		2899
		2900	cf::cede_to_tick;
		2901	}
		2902
		2903	if ($soundconf) {
		2904	$soundconf = $enc->decode (delete $soundconf->{data});
		2905
		2906	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2907	my $sound = $soundconf->{compat}[$_]
		2908	or next;
		2909
		2910	my $face = cf::face::find "sound/$sound->[1]";
		2911	cf::sound::set $sound->[0] => $face;
		2912	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2913	}
		2914
		2915	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2916	my $face = cf::face::find "sound/$v";
		2917	cf::sound::set $k => $face;
		2918	}
		2919	}
		2920	}
		2921
		2922	1
		2923	}
		2924
		2925	register_exticmd fx_want => sub {
		2926	my ($ns, $want) = @_;
		2927
		2928	while (my ($k, $v) = each %$want) {
		2929	$ns->fx_want ($k, $v);
		2930	}
		2931	};
		2932
		2933	sub reload_regions {
		2934	load_resource_file "$MAPDIR/regions"
		2935	or die "unable to load regions file\n";
		2936
		2937	for (cf::region::list) {
		2938	$_->{match} = qr/$_->{match}/
		2939	if exists $_->{match};
		2940	}
		2941	}
		2942
		2943	sub reload_facedata {
		2944	load_facedata "$DATADIR/facedata"
		2945	or die "unable to load facedata\n";
		2946	}
		2947
		2948	sub reload_archetypes {
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	#d# NEED to laod twice to resolve forward references
		2952	# this really needs to be done in an extra post-pass
		2953	# (which needs to be synchronous, so solve it differently)
		2954	load_resource_file "$DATADIR/archetypes"
		2955	or die "unable to load archetypes\n";
		2956	}
		2957
		2958	sub reload_treasures {
		2959	load_resource_file "$DATADIR/treasures"
		2960	or die "unable to load treasurelists\n";
		2961	}
		2962
		2963	sub reload_resources {
		2964	warn "reloading resource files...\n";
		2965
		2966	reload_regions;
		2967	reload_facedata;
		2968	#reload_archetypes;#d#
		2969	reload_archetypes;
		2970	reload_treasures;
		2971
		2972	warn "finished reloading resource files\n";
		2973	}
		2974
		2975	sub init {
		2976	reload_resources;
		2977	}
2212		2978
2213	sub cfg_load {	2979	sub cfg_load {
2214	open my $fh, "<:utf8", cf::confdir . "/config"	2980	open my $fh, "<:utf8", "$CONFDIR/config"
2215	or return;	2981	or return;
2216		2982
2217	local $/;	2983	local $/;
2218	*CFG = YAML::Syck::Load <$fh>;	2984	*CFG = YAML::Syck::Load <$fh>;
2219		2985
…		…
2233		2999
2234	sub main {	3000	sub main {
2235	# we must not ever block the main coroutine	3001	# we must not ever block the main coroutine
2236	local $Coro::idle = sub {	3002	local $Coro::idle = sub {
2237	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3003	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3004	(async {
2238	async { Event::one_event };	3005	Event::one_event;
		3006	})->prio (Coro::PRIO_MAX);
2239	};	3007	};
2240		3008
2241	cfg_load;	3009	cfg_load;
2242	db_load;	3010	db_init;
2243	load_extensions;	3011	load_extensions;
		3012
		3013	$TICK_WATCHER->start;
2244	Event::loop;	3014	Event::loop;
2245	}	3015	}
2246		3016
2247	#############################################################################	3017	#############################################################################
2248	# initialisation and cleanup	3018	# initialisation and cleanup
2249		3019
2250	# install some emergency cleanup handlers	3020	# install some emergency cleanup handlers
2251	BEGIN {	3021	BEGIN {
2252	for my $signal (qw(INT HUP TERM)) {	3022	for my $signal (qw(INT HUP TERM)) {
2253	Event->signal (	3023	Event->signal (
		3024	reentrant => 0,
2254	data => WF_AUTOCANCEL,	3025	data => WF_AUTOCANCEL,
2255	signal => $signal,	3026	signal => $signal,
		3027	prio => 0,
2256	cb => sub {	3028	cb => sub {
2257	cf::cleanup "SIG$signal";	3029	cf::cleanup "SIG$signal";
2258	},	3030	},
2259	);	3031	);
2260	}	3032	}
		3033	}
		3034
		3035	sub write_runtime {
		3036	my $runtime = "$LOCALDIR/runtime";
		3037
		3038	# first touch the runtime file to show we are still running:
		3039	# the fsync below can take a very very long time.
		3040
		3041	IO::AIO::aio_utime $runtime, undef, undef;
		3042
		3043	my $guard = cf::lock_acquire "write_runtime";
		3044
		3045	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3046	or return;
		3047
		3048	my $value = $cf::RUNTIME + 90 + 10;
		3049	# 10 is the runtime save interval, for a monotonic clock
		3050	# 60 allows for the watchdog to kill the server.
		3051
		3052	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3053	and return;
		3054
		3055	# always fsync - this file is important
		3056	aio_fsync $fh
		3057	and return;
		3058
		3059	# touch it again to show we are up-to-date
		3060	aio_utime $fh, undef, undef;
		3061
		3062	close $fh
		3063	or return;
		3064
		3065	aio_rename "$runtime~", $runtime
		3066	and return;
		3067
		3068	warn "runtime file written.\n";
		3069
		3070	1
2261	}	3071	}
2262		3072
2263	sub emergency_save() {	3073	sub emergency_save() {
2264	my $freeze_guard = cf::freeze_mainloop;	3074	my $freeze_guard = cf::freeze_mainloop;
2265		3075
…		…
2282	my $map = $cf::MAP{$path} or next;	3092	my $map = $cf::MAP{$path} or next;
2283	$map->valid or next;	3093	$map->valid or next;
2284	$map->save;	3094	$map->save;
2285	}	3095	}
2286	warn "end emergency map save\n";	3096	warn "end emergency map save\n";
		3097
		3098	warn "begin emergency database checkpoint\n";
		3099	BDB::db_env_txn_checkpoint $DB_ENV;
		3100	warn "end emergency database checkpoint\n";
2287	};	3101	};
2288		3102
2289	warn "leave emergency perl save\n";	3103	warn "leave emergency perl save\n";
2290	}	3104	}
2291		3105
		3106	sub post_cleanup {
		3107	my ($make_core) = @_;
		3108
		3109	warn Carp::longmess "post_cleanup backtrace"
		3110	if $make_core;
		3111	}
		3112
2292	sub reload() {	3113	sub do_reload_perl() {
2293	# can/must only be called in main	3114	# can/must only be called in main
2294	if ($Coro::current != $Coro::main) {	3115	if ($Coro::current != $Coro::main) {
2295	warn "can only reload from main coroutine\n";	3116	warn "can only reload from main coroutine";
2296	return;	3117	return;
2297	}	3118	}
2298		3119
2299	warn "reloading...";	3120	warn "reloading...";
2300		3121
2301	warn "freezing server";	3122	warn "entering sync_job";
2302	my $guard = freeze_mainloop;	3123
		3124	cf::sync_job {
		3125	cf::write_runtime; # external watchdog should not bark
2303	cf::emergency_save;	3126	cf::emergency_save;
		3127	cf::write_runtime; # external watchdog should not bark
2304		3128
2305	warn "sync database to disk";	3129	warn "syncing database to disk";
2306	cf::db_sync;	3130	BDB::db_env_txn_checkpoint $DB_ENV;
2307	IO::AIO::flush;
2308		3131
2309	eval {
2310	# if anything goes wrong in here, we should simply crash as we already saved	3132	# if anything goes wrong in here, we should simply crash as we already saved
2311		3133
2312	warn "cancel all watchers";	3134	warn "cancelling all WF_AUTOCANCEL watchers";
2313	for (Event::all_watchers) {	3135	for (Event::all_watchers) {
2314	$_->cancel if $_->data & WF_AUTOCANCEL;	3136	$_->cancel if $_->data & WF_AUTOCANCEL;
2315	}	3137	}
2316		3138
		3139	warn "flushing outstanding aio requests";
		3140	for (;;) {
		3141	BDB::flush;
		3142	IO::AIO::flush;
		3143	Coro::cede;
		3144	last unless IO::AIO::nreqs || BDB::nreqs;
		3145	warn "iterate...";
		3146	}
		3147
		3148	++$RELOAD;
		3149
2317	warn "cancel all extension coros";	3150	warn "cancelling all extension coros";
2318	$_->cancel for values %EXT_CORO;	3151	$_->cancel for values %EXT_CORO;
2319	%EXT_CORO = ();	3152	%EXT_CORO = ();
2320		3153
2321	warn "remove commands";	3154	warn "removing commands";
2322	%COMMAND = ();	3155	%COMMAND = ();
2323		3156
2324	warn "remove ext commands";	3157	warn "removing ext/exti commands";
2325	%EXTCMD = ();	3158	%EXTCMD = ();
		3159	%EXTICMD = ();
2326		3160
2327	warn "unload/nuke all extensions";	3161	warn "unloading/nuking all extensions";
2328	for my $pkg (@EXTS) {	3162	for my $pkg (@EXTS) {
2329	warn "... unloading $pkg";	3163	warn "... unloading $pkg";
2330		3164
2331	if (my $cb = $pkg->can ("unload")) {	3165	if (my $cb = $pkg->can ("unload")) {
2332	eval {	3166	eval {
…		…
2337		3171
2338	warn "... nuking $pkg";	3172	warn "... nuking $pkg";
2339	Symbol::delete_package $pkg;	3173	Symbol::delete_package $pkg;
2340	}	3174	}
2341		3175
2342	warn "unload all perl modules loaded from $LIBDIR";	3176	warn "unloading all perl modules loaded from $LIBDIR";
2343	while (my ($k, $v) = each %INC) {	3177	while (my ($k, $v) = each %INC) {
2344	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3178	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2345		3179
2346	warn "removing <$k>";	3180	warn "... unloading $k";
2347	delete $INC{$k};	3181	delete $INC{$k};
2348		3182
2349	$k =~ s/\.pm$//;	3183	$k =~ s/\.pm$//;
2350	$k =~ s/\//::/g;	3184	$k =~ s/\//::/g;
2351		3185
…		…
2354	}	3188	}
2355		3189
2356	Symbol::delete_package $k;	3190	Symbol::delete_package $k;
2357	}	3191	}
2358		3192
2359	warn "get rid of safe::, as good as possible";	3193	warn "getting rid of safe::, as good as possible";
2360	Symbol::delete_package "safe::$_"	3194	Symbol::delete_package "safe::$_"
2361	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3195	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2362		3196
2363	warn "unload cf.pm \"a bit\"";	3197	warn "unloading cf.pm \"a bit\"";
2364	delete $INC{"cf.pm"};	3198	delete $INC{"cf.pm"};
		3199	delete $INC{"cf/pod.pm"};
2365		3200
2366	# don't, removes xs symbols, too,	3201	# don't, removes xs symbols, too,
2367	# and global variables created in xs	3202	# and global variables created in xs
2368	#Symbol::delete_package __PACKAGE__;	3203	#Symbol::delete_package __PACKAGE__;
2369		3204
		3205	warn "unload completed, starting to reload now";
		3206
2370	warn "reloading cf.pm";	3207	warn "reloading cf.pm";
2371	require cf;	3208	require cf;
2372	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3209	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2373		3210
2374	warn "load config and database again";	3211	warn "loading config and database again";
2375	cf::cfg_load;	3212	cf::cfg_load;
2376	cf::db_load;
2377		3213
2378	warn "load extensions";	3214	warn "loading extensions";
2379	cf::load_extensions;	3215	cf::load_extensions;
2380		3216
2381	warn "reattach attachments to objects/players";	3217	warn "reattaching attachments to objects/players";
2382	_global_reattach;	3218	_global_reattach; # objects, sockets
2383	warn "reattach attachments to maps";	3219	warn "reattaching attachments to maps";
2384	reattach $_ for values %MAP;	3220	reattach $_ for values %MAP;
2385	};	3221	warn "reattaching attachments to players";
		3222	reattach $_ for values %PLAYER;
2386		3223
2387	if ($@) {	3224	warn "leaving sync_job";
		3225
		3226	1
		3227	} or do {
2388	warn $@;	3228	warn $@;
2389	warn "error while reloading, exiting.";	3229	warn "error while reloading, exiting.";
2390	exit 1;	3230	exit 1;
2391	}	3231	};
2392		3232
2393	warn "reloaded";	3233	warn "reloaded";
2394	};	3234	};
2395		3235
		3236	our $RELOAD_WATCHER; # used only during reload
		3237
		3238	sub reload_perl() {
		3239	# doing reload synchronously and two reloads happen back-to-back,
		3240	# coro crashes during coro_state_free->destroy here.
		3241
		3242	$RELOAD_WATCHER ||= Event->timer (
		3243	reentrant => 0,
		3244	after => 0,
		3245	data => WF_AUTOCANCEL,
		3246	cb => sub {
		3247	do_reload_perl;
		3248	undef $RELOAD_WATCHER;
		3249	},
		3250	);
		3251	}
		3252
2396	register_command "reload" => sub {	3253	register_command "reload" => sub {
2397	my ($who, $arg) = @_;	3254	my ($who, $arg) = @_;
2398		3255
2399	if ($who->flag (FLAG_WIZ)) {	3256	if ($who->flag (FLAG_WIZ)) {
2400	$who->message ("start of reload.");
2401	reload;
2402	$who->message ("end of reload.");	3257	$who->message ("reloading server.");
		3258	async { reload_perl };
2403	}	3259	}
2404	};	3260	};
2405		3261
2406	unshift @INC, $LIBDIR;	3262	unshift @INC, $LIBDIR;
2407		3263
		3264	my $bug_warning = 0;
		3265
		3266	our @WAIT_FOR_TICK;
		3267	our @WAIT_FOR_TICK_BEGIN;
		3268
		3269	sub wait_for_tick {
		3270	return unless $TICK_WATCHER->is_active;
		3271	return if $Coro::current == $Coro::main;
		3272
		3273	my $signal = new Coro::Signal;
		3274	push @WAIT_FOR_TICK, $signal;
		3275	$signal->wait;
		3276	}
		3277
		3278	sub wait_for_tick_begin {
		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_BEGIN, $signal;
		3284	$signal->wait;
		3285	}
		3286
		3287	my $min = 1e6;#d#
		3288	my $avg = 10;
2408	$TICK_WATCHER = Event->timer (	3289	$TICK_WATCHER = Event->timer (
2409	reentrant => 0,	3290	reentrant => 0,
		3291	parked => 1,
2410	prio => 0,	3292	prio => 0,
2411	at => $NEXT_TICK || $TICK,	3293	at => $NEXT_TICK || $TICK,
2412	data => WF_AUTOCANCEL,	3294	data => WF_AUTOCANCEL,
2413	cb => sub {	3295	cb => sub {
		3296	if ($Coro::current != $Coro::main) {
		3297	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3298	unless ++$bug_warning > 10;
		3299	return;
		3300	}
		3301
2414	$NOW = Event::time;	3302	$NOW = $tick_start = Event::time;
2415		3303
2416	cf::server_tick; # one server iteration	3304	cf::server_tick; # one server iteration
		3305
		3306	0 && sync_job {#d#
		3307	for(1..10) {
		3308	my $t = Event::time;
		3309	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3310	or die;
		3311
		3312	$map->width (50);
		3313	$map->height (50);
		3314	$map->alloc;
		3315	$map->_load_objects ("/tmp/x.map", 1);
		3316	my $t = Event::time - $t;
		3317
		3318	#next unless $t < 0.0013;#d#
		3319	if ($t < $min) {
		3320	$min = $t;
		3321	}
		3322	$avg = $avg * 0.99 + $t * 0.01;
		3323	}
		3324	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3325	exit 0;
		3326	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3327	};
		3328
2417	$RUNTIME += $TICK;	3329	$RUNTIME += $TICK;
2418	$NEXT_TICK += $TICK;	3330	$NEXT_TICK += $TICK;
2419		3331
2420	$WAIT_FOR_TICK->broadcast;	3332	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2421	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3333	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3334	Coro::async_pool {
		3335	write_runtime
		3336	or warn "ERROR: unable to write runtime file: $!";
		3337	};
		3338	}
		3339
		3340	# my $AFTER = Event::time;
		3341	# warn $AFTER - $NOW;#d#
		3342
		3343	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3344	$sig->send;
		3345	}
		3346	while (my $sig = shift @WAIT_FOR_TICK) {
		3347	$sig->send;
		3348	}
		3349
		3350	$NOW = Event::time;
2422		3351
2423	# if we are delayed by four ticks or more, skip them all	3352	# if we are delayed by four ticks or more, skip them all
2424	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3353	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2425		3354
2426	$TICK_WATCHER->at ($NEXT_TICK);	3355	$TICK_WATCHER->at ($NEXT_TICK);
2427	$TICK_WATCHER->start;	3356	$TICK_WATCHER->start;
		3357
		3358	$LOAD = ($NOW - $tick_start) / $TICK;
		3359	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3360
		3361	_post_tick;
		3362
		3363
2428	},	3364	},
2429	);	3365	);
2430		3366
		3367	{
		3368	BDB::max_poll_time $TICK * 0.1;
		3369	$BDB_POLL_WATCHER = Event->io (
		3370	reentrant => 0,
		3371	fd => BDB::poll_fileno,
		3372	poll => 'r',
		3373	prio => 0,
		3374	data => WF_AUTOCANCEL,
		3375	cb => \&BDB::poll_cb,
		3376	);
		3377	BDB::min_parallel 8;
		3378
		3379	BDB::set_sync_prepare {
		3380	my $status;
		3381	my $current = $Coro::current;
		3382	(
		3383	sub {
		3384	$status = $!;
		3385	$current->ready; undef $current;
		3386	},
		3387	sub {
		3388	Coro::schedule while defined $current;
		3389	$! = $status;
		3390	},
		3391	)
		3392	};
		3393
		3394	unless ($DB_ENV) {
		3395	$DB_ENV = BDB::db_env_create;
		3396
		3397	cf::sync_job {
		3398	eval {
		3399	BDB::db_env_open
		3400	$DB_ENV,
		3401	$BDBDIR,
		3402	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3403	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3404	0666;
		3405
		3406	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3407
		3408	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3409	$DB_ENV->set_lk_detect;
		3410	};
		3411
		3412	cf::cleanup "db_env_open(db): $@" if $@;
		3413	};
		3414	}
		3415	}
		3416
		3417	{
		3418	IO::AIO::min_parallel 8;
		3419
		3420	undef $Coro::AIO::WATCHER;
2431	IO::AIO::max_poll_time $TICK * 0.2;	3421	IO::AIO::max_poll_time $TICK * 0.1;
2432
2433	$AIO_POLL_WATCHER = Event->io (	3422	$AIO_POLL_WATCHER = Event->io (
2434	fd => IO::AIO::poll_fileno,	3423	reentrant => 0,
2435	poll => 'r',
2436	prio => 5,
2437	data => WF_AUTOCANCEL,
2438	cb => \&IO::AIO::poll_cb,
2439	);
2440
2441	$WRITE_RUNTIME_WATCHER = Event->timer (
2442	data => WF_AUTOCANCEL,	3424	data => WF_AUTOCANCEL,
2443	after => 0,	3425	fd => IO::AIO::poll_fileno,
2444	interval => 10,	3426	poll => 'r',
2445	cb => sub {	3427	prio => 6,
2446	(Coro::unblock_sub {	3428	cb => \&IO::AIO::poll_cb,
2447	write_runtime	3429	);
2448	or warn "ERROR: unable to write runtime file: $!";	3430	}
		3431
		3432	my $_log_backtrace;
		3433
		3434	sub _log_backtrace {
		3435	my ($msg, @addr) = @_;
		3436
		3437	$msg =~ s/\n//;
		3438
		3439	# limit the # of concurrent backtraces
		3440	if ($_log_backtrace < 2) {
		3441	++$_log_backtrace;
		3442	async {
		3443	my @bt = fork_call {
		3444	@addr = map { sprintf "%x", $_ } @addr;
		3445	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3446	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3447	or die "addr2line: $!";
		3448
		3449	my @funcs;
		3450	my @res = <$fh>;
		3451	chomp for @res;
		3452	while (@res) {
		3453	my ($func, $line) = splice @res, 0, 2, ();
		3454	push @funcs, "[$func] $line";
		3455	}
		3456
		3457	@funcs
		3458	};
		3459
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] $_\n" for @bt;
		3462	--$_log_backtrace;
2449	})->();	3463	};
		3464	} else {
		3465	LOG llevInfo, "[ABT] $msg\n";
		3466	LOG llevInfo, "[ABT] [suppressed]\n";
2450	},	3467	}
2451	);	3468	}
		3469
		3470	# load additional modules
		3471	use cf::pod;
2452		3472
2453	END { cf::emergency_save }	3473	END { cf::emergency_save }
2454		3474
2455	1	3475	1
2456		3476

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