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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.167 by root, Sat Jan 13 23:32:43 2007 UTC vs.
Revision 1.336 by root, Tue Aug 21 00:31:18 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;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	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;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# 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 ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		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 $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	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
99	every server tick.	133	every server tick.
100		134
101	=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
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	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.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	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.
113		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	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
122	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
123	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.
124	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.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@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';
147	@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)
148		204
149	# 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
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$Event::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$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;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
226	returned.	275	returned.
227		276
228	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
229	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
230		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
231	=cut	284	=cut
232		285
233	our %LOCK;	286	our %LOCK;
234		287
235	sub lock_wait($) {	288	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
256	}	309	}
257	}	310	}
258		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
259	sub freeze_mainloop {	318	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
261		320
262	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
263	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
264	$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;
265	}	382	}
266		383
267	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
268		385
269	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		391
275	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
276		393
277	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
278		395
279	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)
280	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
281	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.
282		400
283	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
284	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
285	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
286	fast or be very important.	404	fast or be very important.
…		…
289		407
290	sub sync_job(&) {	408	sub sync_job(&) {
291	my ($job) = @_;	409	my ($job) = @_;
292		410
293	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
294	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
296		416
297	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
309		429
310	while ($busy) {	430	while ($busy) {
311	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
312	}	432	}
313		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
314	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
315	} else {	442	} else {
316	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
317		444
318	$job->()	445	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
338		465
339	$coro	466	$coro
340	}	467	}
341		468
342	sub write_runtime {	469	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		470
345	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		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.
346		475
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
348	or return;
349		477
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	478	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	479	my ($cb, @args) = @_;
352	and return;
353		480
354	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
355	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	close $fh	485	my @res = Coro::Util::fork_eval {
358	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		489
360	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
361	and return;	491	}
362		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	};
363	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 });
364	}	618	}
365		619
366	=back	620	=back
367		621
368	=cut	622	=cut
…		…
375	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")
376	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
377		631
378	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>
379	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
380	crossfire+).	634	Crossfire TRT).
381		635
382	=over 4	636	=over 4
383		637
384	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
385		639
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	754	our @CB_MAP = ();
501		755
502	my %attachment;	756	my %attachment;
503		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
504	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
506		766
507	use sort 'stable';	767	use sort 'stable';
508		768
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
543		803
544	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		808
549	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	810	my $pkg = shift @arg;
551		811
552	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
582	}	842	}
583		843
584	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
585	} else {	845	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	847	}
588		848
589	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
590	}	850	}
591		851
…		…
593	if (ref $_[0]) {	853	if (ref $_[0]) {
594	_object_attach @_;	854	_object_attach @_;
595	} else {	855	} else {
596	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
597	}	857	}
		858	_recalc_want;
598	};	859	};
599		860
600	# all those should be optimised	861	# all those should be optimised
601	sub cf::attachable::detach {	862	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
606	reattach ($obj);	867	reattach ($obj);
607	} else {	868	} else {
608	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
609	}	870	}
		871	_recalc_want;
610	};	872	};
611		873
612	sub cf::attachable::attached {	874	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
614		876
…		…
629	";	891	";
630	die if $@;	892	die if $@;
631	}	893	}
632		894
633	our $override;	895	our $override;
634	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?
635		897
636	sub override {	898	sub override {
637	$override = 1;	899	$override = 1;
638	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
639	}	901	}
640		902
641	sub do_invoke {	903	sub do_invoke {
642	my $event = shift;	904	my $event = shift;
643	my $callbacks = shift;	905	my $callbacks = shift;
644		906
645	@invoke_results = ();	907	@INVOKE_RESULTS = ();
646		908
647	local $override;	909	local $override;
648		910
649	for (@$callbacks) {	911	for (@$callbacks) {
650	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
667		929
668	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
669		931
670	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
671	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
672	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		935
674	=back	936	=back
675		937
676	=cut	938	=cut
677		939
678	#############################################################################	940	#############################################################################
679	# 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	}
680		953
681	sub reattach {	954	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		959
685	my $registry = $obj->registry;	960	my $registry = $obj->registry;
686		961
687	@$registry = ();	962	@$registry = ();
688		963
…		…
735	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
736		1011
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1016	close $fh;
742		1017
743	if (@$objs) {	1018	if (@$objs) {
744	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) {
745	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1024	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
751	}	1026	}
752	} else {	1027	} else {
753	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
785	or return;	1060	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1062	}
788		1063
789	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1066	return ($data, $av);
792	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
793		1074
794	#############################################################################	1075	#############################################################################
795	# command handling &c	1076	# command handling &c
796		1077
797	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1092	}
812		1093
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1095
815	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.
816		1101
817	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
818	called.	1103	called.
819		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
820	=cut	1116	=cut
821		1117
822	sub register_extcmd {	1118	sub register_extcmd {
823	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
824		1120
825	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
826	}	1128	}
827		1129
828	cf::player->attach (	1130	cf::player->attach (
829	on_command => sub {	1131	on_command => sub {
830	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1141	cf::override;
840	},	1142	},
841	on_extcmd => sub {	1143	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
843		1145
844	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1147
846	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
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
849	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
850	}	1158	if $reply;
851	}	1159	}
852	} else {	1160	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1162	}
855		1163
856	cf::override;	1164	cf::override;
857	},	1165	},
858	);	1166	);
859		1167
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
895	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1173	next unless -r $path;
897	eval {	1174
898	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;
899	1	1232	}
900	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
901	}	1238	};
902	}	1239	}
903		1240
904	#############################################################################	1241	#############################################################################
905		1242
		1243	=back
		1244
906	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
907		1246
908	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
909		1248
910	=cut	1249	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
923		1262
924	=cut	1263	=cut
925		1264
926	sub playerdir($) {	1265	sub playerdir($) {
927	cf::localdir	1266	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1268	}
933		1269
934	sub path($) {	1270	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1272
937	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
938	}	1274	}
939		1275
940	sub find_active($) {	1276	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
945		1281
946	sub exists($) {	1282	sub exists($) {
947	my ($login) = @_;	1283	my ($login) = @_;
948		1284
949	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
951	}	1287	}
952		1288
953	sub find($) {	1289	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1291	my $login = $_[0];
956		1292
957	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
958		1294
959	$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
960	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
961	or return;	1304	or return;
962	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
963	}	1306	}
964	}	1307	}
…		…
992	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
993		1336
994	$self	1337	$self
995	}	1338	}
996		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
997	=item $pl->quit_character	1350	=item $pl->quit_character
998		1351
999	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
1000	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1001		1354
1002	=cut	1355	=cut
1003		1356
1004	sub quit_character {	1357	sub quit_character {
1005	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1006		1361
1007	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1008	$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
1009		1364
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1019	$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
1020	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;
1021	}	1396	}
1022		1397
1023	=item cf::player::list_logins	1398	=item cf::player::list_logins
1024		1399
1025	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
1026	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1027		1402
1028	=cut	1403	=cut
1029		1404
1030	sub list_logins {	1405	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1407	or return [];
1033		1408
1034	my @logins;	1409	my @logins;
1035		1410
1036	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1053	=cut	1428	=cut
1054		1429
1055	sub maps($) {	1430	sub maps($) {
1056	my ($pl) = @_;	1431	my ($pl) = @_;
1057		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1058	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1059	or return;	1436	or return;
1060		1437
1061	my @paths;	1438	my @paths;
1062		1439
1063	for (@$files) {	1440	for (@$files) {
1064	utf8::decode $_;	1441	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1067		1444
1068	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1446	}
1071		1447
1072	\@paths	1448	\@paths
1073	}	1449	}
1074		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
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1076		1502
1077	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1078		1504
1079	=cut	1505	=cut
1080		1506
1081	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1083		1509
1084	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1511	}
1088		1512
1089	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1090		1553
1091	=back	1554	=back
1092
1093		1555
1094	=head3 cf::map	1556	=head3 cf::map
1095		1557
1096	=over 4	1558	=over 4
1097		1559
…		…
1101		1563
1102	use Fcntl;	1564	use Fcntl;
1103	use Coro::AIO;	1565	use Coro::AIO;
1104		1566
1105	use overload	1567	use overload
1106	'""' => \&as_string;	1568	'""' => \&as_string,
		1569	fallback => 1;
1107		1570
1108	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1110		1573
1111	sub generate_random_map {	1574	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1577	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1589	)
1128	}	1590	}
1129		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
1130	sub register {	1600	sub register {
1131	my (undef, $regex) = @_;	1601	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1602	my $pkg = caller;
1133		1603
1134	no strict;	1604	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1605	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1606
1137	$EXT_MAP{$pkg} = qr<$regex>;	1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1608	}
1139		1609
1140	# also paths starting with '/'	1610	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
1142		1622
1143	sub normalise {	1623	sub normalise {
1144	my ($path, $base) = @_;	1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
1145		1629
1146	# map plan:	1630	# map plan:
1147	#	1631	#
1148	# /! non-realised random map exit (special hack!)	1632	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1633	# {... are special paths that are not being touched
…		…
1177		1661
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1663
1180	$path = normalise $path, $base;	1664	$path = normalise $path, $base;
1181		1665
1182	for my $pkg (keys %EXT_MAP) {	1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1668	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1669	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1187	return $self;	1671	return $self;
1188	}	1672	}
1189	}	1673	}
1190		1674
1191	Carp::carp "unable to resolve path '$path'.";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1676	()
1193	}	1677	}
1194		1678
1195	sub init {	1679	sub init {
1196	my ($self) = @_;	1680	my ($self) = @_;
…		…
1211		1695
1212	# the original (read-only) location	1696	# the original (read-only) location
1213	sub load_path {	1697	sub load_path {
1214	my ($self) = @_;	1698	my ($self) = @_;
1215		1699
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1217	}	1701	}
1218		1702
1219	# the temporary/swap location	1703	# the temporary/swap location
1220	sub save_path {	1704	sub save_path {
1221	my ($self) = @_;	1705	my ($self) = @_;
1222		1706
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1708	"$TMPDIR/$path.map"
1225	}	1709	}
1226		1710
1227	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1228	sub uniq_path {	1712	sub uniq_path {
1229	my ($self) = @_;	1713	my ($self) = @_;
1230		1714
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1716	"$UNIQUEDIR/$path"
1233	}	1717	}
1234		1718
1235	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1236	# all maps in C++...	1720	# all maps in C++...
1237	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1239		1723
1240	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1242	}	1726	}
1243		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1244	sub unlink_save {	1736	sub unlink_save {
1245	my ($self) = @_;	1737	my ($self) = @_;
1246		1738
1247	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1742	}
1251		1743
1252	sub load_header_from($) {	1744	sub load_header_from($) {
1253	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1254		1746
1255	utf8::encode $path;	1747	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
1257	or return;	1749	# or return;
1258		1750
1259	$self->_load_header ($path)	1751	$self->_load_header ($path)
1260	or return;	1752	or return;
1261		1753
1262	$self->{load_path} = $path;	1754	$self->{load_path} = $path;
1263		1755
1264	1	1756	1
1265	}	1757	}
1266		1758
1267	sub load_orig {	1759	sub load_header_orig {
1268	my ($self) = @_;	1760	my ($self) = @_;
1269		1761
1270	$self->load_header_from ($self->load_path)	1762	$self->load_header_from ($self->load_path)
1271	}	1763	}
1272		1764
1273	sub load_temp {	1765	sub load_header_temp {
1274	my ($self) = @_;	1766	my ($self) = @_;
1275		1767
1276	$self->load_header_from ($self->save_path)	1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
1277	}	1788	}
1278		1789
1279	sub load_header {	1790	sub load_header {
1280	my ($self) = @_;	1791	my ($self) = @_;
1281		1792
1282	if ($self->load_temp) {	1793	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1794	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1795	} else {
1289	$self->load_orig	1796	$self->load_header_orig
1290	or return;	1797	or return;
1291		1798	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1799	}
		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
1297		1806
1298	1	1807	1
1299	}	1808	}
1300		1809
1301	sub find;	1810	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1315		1824
1316	$map->load_header	1825	$map->load_header
1317	or return;	1826	or return;
1318		1827
1319	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1831	$map->reset;
1321	undef $guard;	1832	undef $guard;
1322	$map = find $path	1833	return find $path;
1323	or return;
1324	}	1834	}
1325		1835
1326	$cf::MAP{$path} = $map	1836	$cf::MAP{$path} = $map
1327	}	1837	}
1328	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1329		1842
1330	sub load {	1843	sub load {
1331	my ($self) = @_;	1844	my ($self) = @_;
1332		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1333	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1335		1852
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1854
1338	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1339		1856
1340	$self->alloc;	1857	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1858
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1859	$self->pre_load;
1345	if delete $self->{load_original};
1346
1347	if (my $uniq = $self->uniq_path) {
1348	utf8::encode $uniq;
1349	if (aio_open $uniq, O_RDONLY, 0) {
1350	$self->clear_unique_items;
1351	$self->_load_objects ($uniq, 0);
1352	}
1353	}
1354
1355	Coro::cede;
1356
1357	# now do the right thing for maps
1358	$self->link_multipart_objects;
1359
1360	unless ($self->{deny_activate}) {
1361	$self->decay_objects;
1362	$self->fix_auto_apply;
1363	$self->update_buttons;
1364	Coro::cede;	1860	Coro::cede;
1365	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1880	unless $self->difficulty;
1368	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1369	$self->activate;	1890	$self->activate;
1370	}	1891	}
1371		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
1373	}	1900	}
1374		1901
1375	sub customise_for {	1902	sub customise_for {
1376	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1377		1904
1378	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1906	if $self->per_player;
1380		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1381	$self	1911	$self
1382	}	1912	}
1383		1913
1384	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1915	sub load_neighbours {
1386	my ($map) = @_;	1916	my ($map) = @_;
1387		1917
1388	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1389		1919
1390	for (0 .. 3) {	1920	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1392	or next;	1922	or next;
1393	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1394	or next;	1924	or next;
1395	$neigh->load;	1925	$neigh->load;
1396		1926
		1927	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	1930	}
1400		1931
1401	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1403	or next;	1935	or next;
1404	$neigh->load;	1936	$neigh->load;
1405	}	1937	}
1406	}	1938	}
1407		1939
…		…
1416		1948
1417	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1418	}	1950	}
1419		1951
1420	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1422	while () {
1423	for my $path (keys %MAP_PREFETCH) {
1424	my $map = find $path
1425	or next;
1426	$map->load;
1427
1428	delete $MAP_PREFETCH{$path};
1429	}
1430	Coro::schedule;
1431	}
1432	};
1433		1954
1434	sub find_async {	1955	sub find_async {
1435	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1436		1957
1437	$path = normalise $path, $origin && $origin->{path};	1958	$path = normalise $path, $origin && $origin->{path};
1438		1959
1439	if (my $map = $cf::MAP{$path}) {	1960	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1441	}	1962	}
1442		1963
1443	$MAP_PREFETCH{$path} = 0;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1444	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1445		1978
1446	()	1979	()
1447	}	1980	}
1448		1981
1449	sub save {	1982	sub save {
…		…
1494		2027
1495	sub reset_at {	2028	sub reset_at {
1496	my ($self) = @_;	2029	my ($self) = @_;
1497		2030
1498	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1499	return 1e99 if $self->isa ("ext::map_per_player");
1500	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1501		2033
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2036
…		…
1509	my ($self) = @_;	2041	my ($self) = @_;
1510		2042
1511	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1512	}	2044	}
1513		2045
1514	sub rename {
1515	my ($self, $new_path) = @_;
1516
1517	normalise $new_path;
1518
1519	$self->unlink_save;
1520
1521	delete $cf::MAP{$self->path};
1522	$self->{path} = $new_path; $self->path ($self->{path});
1523	$cf::MAP{$self->path} = $self;
1524
1525	$self->save;
1526	}
1527
1528	sub reset {	2046	sub reset {
1529	my ($self) = @_;	2047	my ($self) = @_;
1530		2048
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2050
1533	return if $self->players;	2051	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2052
1536	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1537		2064
1538	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
1539		2066
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2067	$self->clear;
1542		2068
1543	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1544		2070
1545	$self->unlink_save;	2071	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1550		2076
1551	sub nuke {	2077	sub nuke {
1552	my ($self) = @_;	2078	my ($self) = @_;
1553		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1557	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
		2093	}
		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
1558	}	2129	}
1559		2130
1560	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1561		2132
1562	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2134	instantiated unique items. May block.
1564		2135
1565	=cut	2136	=cut
1566		2137
1567	sub unique_maps() {	2138	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1569	or return;	2140	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2141	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2142	/\.map$/
1579	push @paths, $_;	2143	? normalise $_
		2144	: ()
		2145	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2146	]
1581
1582	\@paths
1583	}	2147	}
1584		2148
1585	package cf;	2149	package cf;
1586		2150
1587	=back	2151	=back
…		…
1633		2197
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2199
1636	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1638	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1641	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1642	}	2225	}
1643		2226
1644	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1645		2228
1646	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2261	=cut
1679		2262
1680	sub link_map {	2263	sub link_map {
1681	unless ($LINK_MAP) {	2264	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2265	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2267	$LINK_MAP->load;
1685	}	2268	}
1686		2269
1687	$LINK_MAP	2270	$LINK_MAP
1688	}	2271	}
…		…
1693	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1694		2277
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2279
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1699		2282
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2284	}
1702		2285
1703	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1705		2290
1706	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1707		2292
1708	unless ($map) {	2293	unless ($map) {
1709	# restore original map position	2294	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1726		2311
1727	$map->load;	2312	$map->load;
1728	$map->load_diag;	2313	$map->load_neighbours;
1729		2314
1730	return unless $self->contr->active;	2315	return unless $self->contr->active;
1731	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1733	}	2320	}
1734		2321
1735	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2323
1739	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1743	};	2328	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2329
1749	# try to abort aborted map switching on player login :)
1750	# should happen only on crashes
1751	if ($pl->ob->{_link_pos}) {
1752	$pl->ob->enter_link;
1753	(async {
1754	# we need this sleep as the login has a concurrent enter_exit running
1755	# and this sleep increases chances of the player not ending up in scorn
1756	$pl->ob->reply (undef,
1757	"There was an internal problem at your last logout, "
1758	. "the server will try to bring you to your intended destination in a second.",
1759	cf::NDI_RED);
1760	Coro::Timer::sleep 1;
1761	$pl->ob->leave_link;
1762	})->prio (2);
1763	}
1764	},
1765	);
1766
1767	=item $player_object->goto ($path, $x, $y)
1768
1769	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1770		2333
1771	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2339
1774	$self->enter_link;	2340	$self->enter_link;
1775		2341
1776	(async {	2342	(async {
		2343	my $map = eval {
1777	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1779		2348	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1784		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1786	})->prio (1);	2367	})->prio (1);
1787	}	2368	}
1788		2369
1789	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1790		2371
…		…
1792		2373
1793	sub parse_random_map_params {	2374	sub parse_random_map_params {
1794	my ($spec) = @_;	2375	my ($spec) = @_;
1795		2376
1796	my $rmp = { # defaults	2377	my $rmp = { # defaults
1797	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1799	};	2382	};
1800		2383
1801	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1803		2386
…		…
1807	$rmp	2390	$rmp
1808	}	2391	}
1809		2392
1810	sub prepare_random_map {	2393	sub prepare_random_map {
1811	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2397
1813	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2400	# that depends on the exit object
1816		2401
1817	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1818		2403
1819	if ($exit->map) {	2404	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1824	}	2409	}
1825		2410
1826	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1827		2412
1828	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1830		2416
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1833		2421
1834	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2423	$exit->msg (undef);
1836	}	2424	}
1837	}	2425	}
…		…
1839	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1841		2429
1842	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1843		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1844	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1845		2448
1846	(async {	2449	(async {
1847	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2451	unless (eval {
1849	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1850	if $exit->slaying eq "/!";
1851
1852	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1853	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1854		2453
1855	1;	2454	1;
1856	}) {	2455	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2460
1862	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2462	$self->leave_link;
1864	}	2463	}
1865	})->prio (1);	2464	})->prio (1);
…		…
1878		2477
1879	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1881		2480
1882	utf8::encode $text;	2481	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2483	}
1885		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1886		2583
1887	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1888		2585
1889	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1890	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1891	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2589
1893	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2591	become reliable at some point in the future.
1895		2592
1896	=cut	2593	=cut
1897		2594
1898	sub cf::client::query {	2595	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2604	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2606
1910	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1912	}	2611	}
1913		2612
1914	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1915	on_reply => sub {	2619	on_reply => sub {
1916	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1917		2621
1918	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1919	# get handled first	2623	# get handled first
1920	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2626
1923	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2629
1925	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1926		2631
1927	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2633	if (@$queue) {
…		…
1930	} else {	2635	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2637	}
1933	}	2638	}
1934	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1935	);	2663	);
1936		2664
1937	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1938		2666
1939	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1982		2710
1983	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1984		2712
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
1986		2718
1987	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
1988		2720
1989	=pod	2721	=pod
1990		2722
1991	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
1992		2724
1993	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
1994	cf::object::player player	2729	cf::object::player
1995	cf::player peaceful	2730	player
1996	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
1997		2737
1998	=cut	2738	=cut
1999		2739
2000	for (	2740	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2002	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2005	) {	2746	) {
2006	no strict 'refs';	2747	no strict 'refs';
…		…
2077	=back	2818	=back
2078		2819
2079	=cut	2820	=cut
2080		2821
2081	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2082		2824
2083	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2084		2827
2085	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2829
2089	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2090	using it, it should be unique.
2091		2831
2092	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2093		2835
2094	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2095		2837
2096	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2097	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2098	C<cf::db_sync>.
2099		2840
2100	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2101		2842	$facedata->{resource}{"res/exp_table"} = {
2102	Returns a single value from the database	2843	type => FT_RSRC,
2103		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2104	=item cf::db_put $family => $hashref
2105
2106	Stores the given family hashref into the database. Updates are delayed, if
2107	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2108
2109	=item cf::db_put $family => $key => $value
2110
2111	Stores the given C<$value> in the family hash. Updates are delayed, if you
2112	want the data to be synced to disk immediately, use C<cf::db_sync>.
2113
2114	=item cf::db_dirty
2115
2116	Marks the database as dirty, to be updated at a later time.
2117
2118	=item cf::db_sync
2119
2120	Immediately write the database to disk I<if it is dirty>.
2121
2122	=cut
2123
2124	our $DB;
2125
2126	{
2127	my $path = cf::localdir . "/database.pst";
2128
2129	sub db_load() {
2130	$DB = stat $path ? Storable::retrieve $path : { };
2131	}
2132
2133	my $pid;
2134
2135	sub db_save() {
2136	waitpid $pid, 0 if $pid;
2137	if (0 == ($pid = fork)) {
2138	$DB->{_meta}{version} = 1;
2139	Storable::nstore $DB, "$path~";
2140	rename "$path~", $path;
2141	cf::_exit 0 if defined $pid;
2142	}
2143	}
2144
2145	my $dirty;
2146
2147	sub db_sync() {
2148	db_save if $dirty;
2149	undef $dirty;
2150	}
2151
2152	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2153	db_sync;
2154	});	2845	};
		2846	cf::cede_to_tick;
2155		2847
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2160		2850
2161	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		2857
2167	sub db_put($$;$) {	2858	cf::cede_to_tick;
2168	if (@_ >= 3) {
2169	$DB->{$_[0]}{$_[1]} = $_[2];
2170	} else {
2171	$DB->{$_[0]} = $_[1];
2172	}
2173	db_dirty;
2174	}
2175
2176	cf::global->attach (
2177	prio => 10000,
2178	on_cleanup => sub {
2179	db_sync;
2180	},	2859	}
2181	);
2182	}
2183		2860
2184	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
		2934	1
		2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
		2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
		2975	sub reload_resources {
		2976	warn "reloading resource files...\n";
		2977
		2978	reload_regions;
		2979	reload_facedata;
		2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
		2985	}
		2986
		2987	sub init {
		2988	reload_resources;
		2989	}
2186		2990
2187	sub cfg_load {	2991	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	2993	or return;
2190		2994
2191	local $/;	2995	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2193		2997
…		…
2207		3011
2208	sub main {	3012	sub main {
2209	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3016	(async {
2212	async { Event::one_event };	3017	Event::one_event;
		3018	})->prio (Coro::PRIO_MAX);
2213	};	3019	};
2214		3020
2215	cfg_load;	3021	cfg_load;
2216	db_load;	3022	db_init;
2217	load_extensions;	3023	load_extensions;
		3024
		3025	$TICK_WATCHER->start;
2218	Event::loop;	3026	Event::loop;
2219	}	3027	}
2220		3028
2221	#############################################################################	3029	#############################################################################
2222	# initialisation and cleanup	3030	# initialisation and cleanup
2223		3031
2224	# install some emergency cleanup handlers	3032	# install some emergency cleanup handlers
2225	BEGIN {	3033	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3034	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3035	Event->signal (
		3036	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3037	data => WF_AUTOCANCEL,
2229	signal => $signal,	3038	signal => $signal,
		3039	prio => 0,
2230	cb => sub {	3040	cb => sub {
2231	cf::cleanup "SIG$signal";	3041	cf::cleanup "SIG$signal";
2232	},	3042	},
2233	);	3043	);
2234	}	3044	}
		3045	}
		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
2235	}	3083	}
2236		3084
2237	sub emergency_save() {	3085	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2239		3087
…		…
2256	my $map = $cf::MAP{$path} or next;	3104	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3105	$map->valid or next;
2258	$map->save;	3106	$map->save;
2259	}	3107	}
2260	warn "end emergency map save\n";	3108	warn "end emergency map save\n";
		3109
		3110	warn "begin emergency database checkpoint\n";
		3111	BDB::db_env_txn_checkpoint $DB_ENV;
		3112	warn "end emergency database checkpoint\n";
2261	};	3113	};
2262		3114
2263	warn "leave emergency perl save\n";	3115	warn "leave emergency perl save\n";
2264	}	3116	}
2265		3117
		3118	sub post_cleanup {
		3119	my ($make_core) = @_;
		3120
		3121	warn Carp::longmess "post_cleanup backtrace"
		3122	if $make_core;
		3123	}
		3124
2266	sub reload() {	3125	sub do_reload_perl() {
2267	# can/must only be called in main	3126	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3128	warn "can only reload from main coroutine";
2270	return;	3129	return;
2271	}	3130	}
2272		3131
2273	warn "reloading...";	3132	warn "reloading...";
2274		3133
2275	warn "freezing server";	3134	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2278		3140
2279	warn "sync database to disk";	3141	warn "syncing database to disk";
2280	cf::db_sync;	3142	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3143
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3144	# if anything goes wrong in here, we should simply crash as we already saved
2285		3145
2286	warn "cancel all watchers";	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3149	}
2290		3150
		3151	warn "flushing outstanding aio requests";
		3152	for (;;) {
		3153	BDB::flush;
		3154	IO::AIO::flush;
		3155	Coro::cede;
		3156	last unless IO::AIO::nreqs || BDB::nreqs;
		3157	warn "iterate...";
		3158	}
		3159
		3160	++$RELOAD;
		3161
2291	warn "cancel all extension coros";	3162	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3164	%EXT_CORO = ();
2294		3165
2295	warn "remove commands";	3166	warn "removing commands";
2296	%COMMAND = ();	3167	%COMMAND = ();
2297		3168
2298	warn "remove ext commands";	3169	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2300		3172
2301	warn "unload/nuke all extensions";	3173	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2304		3176
2305	if (my $cb = $pkg->can ("unload")) {	3177	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3178	eval {
…		…
2311		3183
2312	warn "... nuking $pkg";	3184	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3185	Symbol::delete_package $pkg;
2314	}	3186	}
2315		3187
2316	warn "unload all perl modules loaded from $LIBDIR";	3188	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3189	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3191
2320	warn "removing <$k>";	3192	warn "... unloading $k";
2321	delete $INC{$k};	3193	delete $INC{$k};
2322		3194
2323	$k =~ s/\.pm$//;	3195	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3196	$k =~ s/\//::/g;
2325		3197
…		…
2328	}	3200	}
2329		3201
2330	Symbol::delete_package $k;	3202	Symbol::delete_package $k;
2331	}	3203	}
2332		3204
2333	warn "get rid of safe::, as good as possible";	3205	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3208
2337	warn "unload cf.pm \"a bit\"";	3209	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2339		3212
2340	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3214	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2343		3216
		3217	warn "unload completed, starting to reload now";
		3218
2344	warn "reloading cf.pm";	3219	warn "reloading cf.pm";
2345	require cf;	3220	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3222
2348	warn "load config and database again";	3223	warn "loading config and database again";
2349	cf::cfg_load;	3224	cf::cfg_load;
2350	cf::db_load;
2351		3225
2352	warn "load extensions";	3226	warn "loading extensions";
2353	cf::load_extensions;	3227	cf::load_extensions;
2354		3228
2355	warn "reattach attachments to objects/players";	3229	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3230	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3231	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
2359	};	3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2360		3235
2361	if ($@) {	3236	warn "leaving sync_job";
		3237
		3238	1
		3239	} or do {
2362	warn $@;	3240	warn $@;
2363	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2364	exit 1;	3242	exit 1;
2365	}	3243	};
2366		3244
2367	warn "reloaded";	3245	warn "reloaded";
2368	};	3246	};
2369		3247
		3248	our $RELOAD_WATCHER; # used only during reload
		3249
		3250	sub reload_perl() {
		3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
		3253
		3254	$RELOAD_WATCHER ||= Event->timer (
		3255	reentrant => 0,
		3256	after => 0,
		3257	data => WF_AUTOCANCEL,
		3258	cb => sub {
		3259	do_reload_perl;
		3260	undef $RELOAD_WATCHER;
		3261	},
		3262	);
		3263	}
		3264
2370	register_command "reload" => sub {	3265	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2372		3267
2373	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3269	$who->message ("reloading server.");
		3270	async { reload_perl };
2377	}	3271	}
2378	};	3272	};
2379		3273
2380	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2381		3275
		3276	my $bug_warning = 0;
		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3302	reentrant => 0,
		3303	parked => 1,
2384	prio => 0,	3304	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3306	data => WF_AUTOCANCEL,
2387	cb => sub {	3307	cb => sub {
		3308	if ($Coro::current != $Coro::main) {
		3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3310	unless ++$bug_warning > 10;
		3311	return;
		3312	}
		3313
2388	$NOW = Event::time;	3314	$NOW = $tick_start = Event::time;
2389		3315
2390	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2391	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2393		3343
2394	$WAIT_FOR_TICK->broadcast;	3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3346	Coro::async_pool {
		3347	write_runtime
		3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
		3350	}
		3351
		3352	# my $AFTER = Event::time;
		3353	# warn $AFTER - $NOW;#d#
		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
2396		3363
2397	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3366
2400	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2402	},	3376	},
2403	);	3377	);
2404		3378
		3379	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3380	BDB::max_poll_time $TICK * 0.1;
2406		3381	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3382	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3383	fd => BDB::poll_fileno,
2409	poll => 'r',	3384	poll => 'r',
2410	prio => 5,	3385	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3386	data => WF_AUTOCANCEL,
2417	after => 0,	3387	cb => \&BDB::poll_cb,
2418	interval => 10,	3388	);
2419	cb => sub {	3389	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3390
2421	write_runtime	3391	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3392	my $status;
		3393	my $current = $Coro::current;
		3394	(
		3395	sub {
		3396	$status = $!;
		3397	$current->ready; undef $current;
		3398	},
		3399	sub {
		3400	Coro::schedule while defined $current;
		3401	$! = $status;
		3402	},
		3403	)
		3404	};
		3405
		3406	unless ($DB_ENV) {
		3407	$DB_ENV = BDB::db_env_create;
		3408
		3409	cf::sync_job {
		3410	eval {
		3411	BDB::db_env_open
		3412	$DB_ENV,
		3413	$BDBDIR,
		3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3416	0666;
		3417
		3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3419
		3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3421	$DB_ENV->set_lk_detect;
		3422	};
		3423
		3424	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3425	};
2424	},	3426	}
2425	);	3427	}
		3428
		3429	{
		3430	IO::AIO::min_parallel 8;
		3431
		3432	undef $Coro::AIO::WATCHER;
		3433	IO::AIO::max_poll_time $TICK * 0.1;
		3434	$AIO_POLL_WATCHER = Event->io (
		3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
		3437	fd => IO::AIO::poll_fileno,
		3438	poll => 'r',
		3439	prio => 6,
		3440	cb => \&IO::AIO::poll_cb,
		3441	);
		3442	}
		3443
		3444	my $_log_backtrace;
		3445
		3446	sub _log_backtrace {
		3447	my ($msg, @addr) = @_;
		3448
		3449	$msg =~ s/\n//;
		3450
		3451	# limit the # of concurrent backtraces
		3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
		3479	}
		3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2426		3484
2427	END { cf::emergency_save }	3485	END { cf::emergency_save }
2428		3486
2429	1	3487	1
2430		3488

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