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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 1.342 by root, Sun Aug 26 15:31:02 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
		1154	my @reply;
		1155
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
852	} else {	1163	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1165	}
855		1166
856	cf::override;	1167	cf::override;
857	},	1168	},
858	);	1169	);
859		1170
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 {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
895	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1176	next unless -r $path;
897	eval {	1177
898	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
899	1	1235	}
900	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
901	}	1241	};
902	}	1242	}
903		1243
904	#############################################################################	1244	#############################################################################
905		1245
		1246	=back
		1247
906	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
907		1249
908	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
909		1251
910	=cut	1252	=cut
…		…
922	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
923		1265
924	=cut	1266	=cut
925		1267
926	sub playerdir($) {	1268	sub playerdir($) {
927	cf::localdir	1269	"$PLAYERDIR/"
928	. "/"
929	. cf::playerdir
930	. "/"
931	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
932	}	1271	}
933		1272
934	sub path($) {	1273	sub path($) {
935	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
936		1275
937	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
938	}	1277	}
939		1278
940	sub find_active($) {	1279	sub find_active($) {
941	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
942	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
945		1284
946	sub exists($) {	1285	sub exists($) {
947	my ($login) = @_;	1286	my ($login) = @_;
948		1287
949	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
950	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
951	}	1290	}
952		1291
953	sub find($) {	1292	sub find($) {
954	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
955	my $login = $_[0];	1294	my $login = $_[0];
956		1295
957	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
958		1297
959	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
960	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
961	or return;	1307	or return;
962	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
963	}	1309	}
964	}	1310	}
…		…
992	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
993		1339
994	$self	1340	$self
995	}	1341	}
996		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
997	=item $pl->quit_character	1353	=item $pl->quit_character
998		1354
999	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1000	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1001		1357
1002	=cut	1358	=cut
1003		1359
1004	sub quit_character {	1360	sub quit_character {
1005	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1006		1364
1007	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1008	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1009		1367
1010	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1015	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1016	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1017	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1018	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1019	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1020	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1021	}	1399	}
1022		1400
1023	=item cf::player::list_logins	1401	=item cf::player::list_logins
1024		1402
1025	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1026	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1027		1405
1028	=cut	1406	=cut
1029		1407
1030	sub list_logins {	1408	sub list_logins {
1031	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1032	or return [];	1410	or return [];
1033		1411
1034	my @logins;	1412	my @logins;
1035		1413
1036	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1053	=cut	1431	=cut
1054		1432
1055	sub maps($) {	1433	sub maps($) {
1056	my ($pl) = @_;	1434	my ($pl) = @_;
1057		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
1058	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1059	or return;	1439	or return;
1060		1440
1061	my @paths;	1441	my @paths;
1062		1442
1063	for (@$files) {	1443	for (@$files) {
1064	utf8::decode $_;	1444	utf8::decode $_;
1065	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1066	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1067		1447
1068	s/\.map$//;	1448	push @paths, cf::map::normalise "~$pl/$_";
1069	push @paths, "~" . $pl->ob->name . "/" . $_;
1070	}	1449	}
1071		1450
1072	\@paths	1451	\@paths
1073	}	1452	}
1074		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1075	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1076		1505
1077	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1078		1507
1079	=cut	1508	=cut
1080		1509
1081	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1082	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1083		1512
1084	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1085
1086	$self->send ("ext " . cf::to_json \%msg);
1087	}	1514	}
1088		1515
1089	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1090		1556
1091	=back	1557	=back
1092
1093		1558
1094	=head3 cf::map	1559	=head3 cf::map
1095		1560
1096	=over 4	1561	=over 4
1097		1562
…		…
1101		1566
1102	use Fcntl;	1567	use Fcntl;
1103	use Coro::AIO;	1568	use Coro::AIO;
1104		1569
1105	use overload	1570	use overload
1106	'""' => \&as_string;	1571	'""' => \&as_string,
		1572	fallback => 1;
1107		1573
1108	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1109	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1110		1576
1111	sub generate_random_map {	1577	sub generate_random_map {
1112	my ($self, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1113
1114	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1115	$self->_create_random_map (	1580	$self->_create_random_map (
1116	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1117	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1118	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1125	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1126	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1127	)	1592	)
1128	}	1593	}
1129		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
1130	sub register {	1603	sub register {
1131	my (undef, $regex) = @_;	1604	my (undef, $regex, $prio) = @_;
1132	my $pkg = caller;	1605	my $pkg = caller;
1133		1606
1134	no strict;	1607	no strict;
1135	push @{"$pkg\::ISA"}, __PACKAGE__;	1608	push @{"$pkg\::ISA"}, __PACKAGE__;
1136		1609
1137	$EXT_MAP{$pkg} = qr<$regex>;	1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1138	}	1611	}
1139		1612
1140	# also paths starting with '/'	1613	# also paths starting with '/'
1141	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
1142		1625
1143	sub normalise {	1626	sub normalise {
1144	my ($path, $base) = @_;	1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
1145		1632
1146	# map plan:	1633	# map plan:
1147	#	1634	#
1148	# /! non-realised random map exit (special hack!)	1635	# /! non-realised random map exit (special hack!)
1149	# {... are special paths that are not being touched	1636	# {... are special paths that are not being touched
…		…
1177		1664
1178	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1179		1666
1180	$path = normalise $path, $base;	1667	$path = normalise $path, $base;
1181		1668
1182	for my $pkg (keys %EXT_MAP) {	1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1183	if ($path =~ $EXT_MAP{$pkg}) {	1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
1184	my $self = bless cf::map::new, $pkg;	1671	my $self = bless cf::map::new, $pkg;
1185	$self->{path} = $path; $self->path ($path);	1672	$self->{path} = $path; $self->path ($path);
1186	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1187	return $self;	1674	return $self;
1188	}	1675	}
1189	}	1676	}
1190		1677
1191	Carp::carp "unable to resolve path '$path'.";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1192	()	1679	()
1193	}	1680	}
1194		1681
1195	sub init {	1682	sub init {
1196	my ($self) = @_;	1683	my ($self) = @_;
…		…
1211		1698
1212	# the original (read-only) location	1699	# the original (read-only) location
1213	sub load_path {	1700	sub load_path {
1214	my ($self) = @_;	1701	my ($self) = @_;
1215		1702
1216	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1217	}	1704	}
1218		1705
1219	# the temporary/swap location	1706	# the temporary/swap location
1220	sub save_path {	1707	sub save_path {
1221	my ($self) = @_;	1708	my ($self) = @_;
1222		1709
1223	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1224	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1225	}	1712	}
1226		1713
1227	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1228	sub uniq_path {	1715	sub uniq_path {
1229	my ($self) = @_;	1716	my ($self) = @_;
1230		1717
1231	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1232	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1233	}	1720	}
1234		1721
1235	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1236	# all maps in C++...	1723	# all maps in C++...
1237	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1239		1726
1240	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1241	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1242	}	1729	}
1243		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1244	sub unlink_save {	1739	sub unlink_save {
1245	my ($self) = @_;	1740	my ($self) = @_;
1246		1741
1247	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1248	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1249	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1250	}	1745	}
1251		1746
1252	sub load_header_from($) {	1747	sub load_header_from($) {
1253	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1254		1749
1255	utf8::encode $path;	1750	utf8::encode $path;
1256	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
1257	or return;	1752	# or return;
1258		1753
1259	$self->_load_header ($path)	1754	$self->_load_header ($path)
1260	or return;	1755	or return;
1261		1756
1262	$self->{load_path} = $path;	1757	$self->{load_path} = $path;
1263		1758
1264	1	1759	1
1265	}	1760	}
1266		1761
1267	sub load_orig {	1762	sub load_header_orig {
1268	my ($self) = @_;	1763	my ($self) = @_;
1269		1764
1270	$self->load_header_from ($self->load_path)	1765	$self->load_header_from ($self->load_path)
1271	}	1766	}
1272		1767
1273	sub load_temp {	1768	sub load_header_temp {
1274	my ($self) = @_;	1769	my ($self) = @_;
1275		1770
1276	$self->load_header_from ($self->save_path)	1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
1277	}	1791	}
1278		1792
1279	sub load_header {	1793	sub load_header {
1280	my ($self) = @_;	1794	my ($self) = @_;
1281		1795
1282	if ($self->load_temp) {	1796	if ($self->load_header_temp) {
1283	$self->last_access ((delete $self->{last_access})	1797	$self->prepare_temp;
1284	|| $cf::RUNTIME); #d#
1285	# safety
1286	$self->{instantiate_time} = $cf::RUNTIME
1287	if $self->{instantiate_time} > $cf::RUNTIME;
1288	} else {	1798	} else {
1289	$self->load_orig	1799	$self->load_header_orig
1290	or return;	1800	or return;
1291		1801	$self->prepare_orig;
1292	$self->{load_original} = 1;
1293	$self->{instantiate_time} = $cf::RUNTIME;
1294	$self->last_access ($cf::RUNTIME);
1295	$self->instantiate;
1296	}	1802	}
		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1297		1809
1298	1	1810	1
1299	}	1811	}
1300		1812
1301	sub find;	1813	sub find;
…		…
1314	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1315		1827
1316	$map->load_header	1828	$map->load_header
1317	or return;	1829	or return;
1318		1830
1319	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1320	$map->reset;	1834	$map->reset;
1321	undef $guard;	1835	undef $guard;
1322	$map = find $path	1836	return find $path;
1323	or return;
1324	}	1837	}
1325		1838
1326	$cf::MAP{$path} = $map	1839	$cf::MAP{$path} = $map
1327	}	1840	}
1328	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1329		1845
1330	sub load {	1846	sub load {
1331	my ($self) = @_;	1847	my ($self) = @_;
1332		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1333	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1334	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1335		1855
1336	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1337		1857
1338	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1339		1859
1340	$self->alloc;	1860	$self->alloc;
1341	$self->_load_objects ($self->{load_path}, 1)
1342	or return;
1343		1861
1344	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1862	$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;	1863	Coro::cede;
1365	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1366	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1367	unless $self->difficulty;	1883	unless $self->difficulty;
1368	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1369	$self->activate;	1893	$self->activate;
1370	}	1894	}
1371		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
1372	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
1373	}	1903	}
1374		1904
1375	sub customise_for {	1905	sub customise_for {
1376	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1377		1907
1378	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1379	if $self->per_player;	1909	if $self->per_player;
1380		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1381	$self	1914	$self
1382	}	1915	}
1383		1916
1384	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1385	sub load_diag {	1918	sub load_neighbours {
1386	my ($map) = @_;	1919	my ($map) = @_;
1387		1920
1388	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1389		1922
1390	for (0 .. 3) {	1923	for (0 .. 3) {
1391	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1392	or next;	1925	or next;
1393	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1394	or next;	1927	or next;
1395	$neigh->load;	1928	$neigh->load;
1396		1929
		1930	push @neigh,
1397	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1398	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1399	}	1933	}
1400		1934
1401	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1402	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1403	or next;	1938	or next;
1404	$neigh->load;	1939	$neigh->load;
1405	}	1940	}
1406	}	1941	}
1407		1942
…		…
1412	}	1947	}
1413		1948
1414	sub do_load_sync {	1949	sub do_load_sync {
1415	my ($map) = @_;	1950	my ($map) = @_;
1416		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1417	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1418	}	1956	}
1419		1957
1420	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1421	our $MAP_PREFETCHER = Coro::async {	1959	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		1960
1434	sub find_async {	1961	sub find_async {
1435	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1436		1963
1437	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1438		1965
1439	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1440	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
		1972	$MAP_PREFETCHER ||= cf::async {
		1973	while (%MAP_PREFETCH) {
		1974	while (my ($k, $v) = each %MAP_PREFETCH) {
		1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
		1979	delete $MAP_PREFETCH{$k};
		1980	}
		1981	}
		1982	undef $MAP_PREFETCHER;
1441	}	1983	};
1442
1443	$MAP_PREFETCH{$path} = 0;
1444	$MAP_PREFETCHER->ready;	1984	$MAP_PREFETCHER->prio (6);
1445		1985
1446	()	1986	()
1447	}	1987	}
1448		1988
1449	sub save {	1989	sub save {
…		…
1494		2034
1495	sub reset_at {	2035	sub reset_at {
1496	my ($self) = @_;	2036	my ($self) = @_;
1497		2037
1498	# TODO: safety, remove and allow resettable per-player maps	2038	# 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};	2039	return 1e99 if $self->{deny_reset};
1501		2040
1502	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1503	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1504		2043
…		…
1509	my ($self) = @_;	2048	my ($self) = @_;
1510		2049
1511	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1512	}	2051	}
1513		2052
1514	sub rename {
1515	my ($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	$self->save;
1526	}
1527
1528	sub reset {	2053	sub reset {
1529	my ($self) = @_;	2054	my ($self) = @_;
1530		2055
1531	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		2057
1533	return if $self->players;	2058	return if $self->players;
1534	return if $self->isa ("ext::map_per_player");#d#
1535		2059
1536	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1537		2071
1538	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1539		2073
1540	$self->in_memory (cf::MAP_SWAPPED);
1541	$self->clear;	2074	$self->clear;
1542		2075
1543	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1544		2077
1545	$self->unlink_save;	2078	$self->unlink_save;
…		…
1549	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1550		2083
1551	sub nuke {	2084	sub nuke {
1552	my ($self) = @_;	2085	my ($self) = @_;
1553		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1554	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1555	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1556	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1557	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
		2100	}
		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
1558	}	2136	}
1559		2137
1560	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1561		2139
1562	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1563	instantiated unique items. May block.	2141	instantiated unique items. May block.
1564		2142
1565	=cut	2143	=cut
1566		2144
1567	sub unique_maps() {	2145	sub unique_maps() {
1568	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1569	or return;	2147	map {
1570
1571	my @paths;
1572
1573	for (@$files) {
1574	utf8::decode $_;	2148	utf8::decode $_;
1575	next if /\.pst$/;
1576	next unless /^$PATH_SEP/o;
1577
1578	s/\.map$//;	2149	/\.map$/
1579	push @paths, $_;	2150	? normalise $_
		2151	: ()
		2152	} @{ aio_readdir $UNIQUEDIR or [] }
1580	}	2153	]
1581
1582	\@paths
1583	}	2154	}
1584		2155
1585	package cf;	2156	package cf;
1586		2157
1587	=back	2158	=back
…		…
1633		2204
1634	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1635		2206
1636	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1637	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1638	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1639	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1640	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1641	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1642	}	2232	}
1643		2233
1644	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1645		2235
1646	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1678	=cut	2268	=cut
1679		2269
1680	sub link_map {	2270	sub link_map {
1681	unless ($LINK_MAP) {	2271	unless ($LINK_MAP) {
1682	$LINK_MAP = cf::map::find "{link}"	2272	$LINK_MAP = cf::map::find "{link}"
1683	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1684	$LINK_MAP->load;	2274	$LINK_MAP->load;
1685	}	2275	}
1686		2276
1687	$LINK_MAP	2277	$LINK_MAP
1688	}	2278	}
…		…
1693	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1694		2284
1695	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1696		2286
1697	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1698	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1699		2289
1700	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1701	}	2291	}
1702		2292
1703	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1704	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1705		2297
1706	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1707		2299
1708	unless ($map) {	2300	unless ($map) {
1709	# restore original map position	2301	# restore original map position
…		…
1723	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1724	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1725	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1726		2318
1727	$map->load;	2319	$map->load;
1728	$map->load_diag;	2320	$map->load_neighbours;
1729		2321
1730	return unless $self->contr->active;	2322	return unless $self->contr->active;
1731	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1732	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1733	}	2327	}
1734		2328
1735	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1736	on_logout => sub {
1737	my ($pl) = @_;
1738		2330
1739	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1740	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1741	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1742	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1743	};	2335	be called at the end of this process.
1744	}
1745	},
1746	on_login => sub {
1747	my ($pl) = @_;
1748		2336
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	2337	=cut
		2338
		2339	our $GOTOGEN;
1770		2340
1771	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1772	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1773		2346
1774	$self->enter_link;	2347	$self->enter_link;
1775		2348
1776	(async {	2349	(async {
		2350	my $map = eval {
1777	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1778	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1779		2355	$map = $check->($map) if $check && $map;
1780	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1781	# if $map;
1782
1783	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1784		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1785	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1786	})->prio (1);	2374	})->prio (1);
1787	}	2375	}
1788		2376
1789	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1790		2378
…		…
1792		2380
1793	sub parse_random_map_params {	2381	sub parse_random_map_params {
1794	my ($spec) = @_;	2382	my ($spec) = @_;
1795		2383
1796	my $rmp = { # defaults	2384	my $rmp = { # defaults
1797	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1798	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1799	};	2389	};
1800		2390
1801	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1802	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1803		2393
…		…
1807	$rmp	2397	$rmp
1808	}	2398	}
1809		2399
1810	sub prepare_random_map {	2400	sub prepare_random_map {
1811	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1812		2404
1813	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1814	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1815	# that depends on the exit object	2407	# that depends on the exit object
1816		2408
1817	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1818		2410
1819	if ($exit->map) {	2411	if ($exit->map) {
1820	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1821	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1822	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1823	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1824	}	2416	}
1825		2417
1826	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1827		2419
1828	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1829	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1830		2423
1831	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1832	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1833		2428
1834	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1835	$exit->msg (undef);	2430	$exit->msg (undef);
1836	}	2431	}
1837	}	2432	}
…		…
1839	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1840	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1841		2436
1842	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1843		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1844	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1845		2455
1846	(async {	2456	(async {
1847	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1848	unless (eval {	2458	unless (eval {
1849	prepare_random_map $exit	2459	$self->goto ($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		2460
1855	1;	2461	1;
1856	}) {	2462	}) {
1857	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1858	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1859	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1860	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1861		2467
1862	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1863	$self->leave_link;	2469	$self->leave_link;
1864	}	2470	}
1865	})->prio (1);	2471	})->prio (1);
…		…
1878		2484
1879	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1880	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1881		2487
1882	utf8::encode $text;	2488	utf8::encode $text;
1883	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1884	}	2490	}
1885		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1886		2590
1887	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1888		2592
1889	Queues a query to the client, calling the given callback with	2593	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>,	2594	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>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1892		2596
1893	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1894	reliable at some point in the future.	2598	become reliable at some point in the future.
1895		2599
1896	=cut	2600	=cut
1897		2601
1898	sub cf::client::query {	2602	sub cf::client::query {
1899	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1907	utf8::encode $text;	2611	utf8::encode $text;
1908	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1909		2613
1910	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
1911	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
1912	}	2618	}
1913		2619
1914	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
1915	on_reply => sub {	2626	on_reply => sub {
1916	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
1917		2628
1918	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
1919	# get handled first	2630	# get handled first
1920	my $queue = delete $ns->{query_queue}	2631	my $queue = delete $ns->{query_queue}
1921	or return; # be conservative, not sure how that can happen, but we saw a crash here	2632	or return; # be conservative, not sure how that can happen, but we saw a crash here
1922		2633
1923	(shift @$queue)->[1]->($msg);	2634	(shift @$queue)->[1]->($msg);
		2635	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1924		2636
1925	push @{ $ns->{query_queue} }, @$queue;	2637	push @{ $ns->{query_queue} }, @$queue;
1926		2638
1927	if (@{ $ns->{query_queue} } == @$queue) {	2639	if (@{ $ns->{query_queue} } == @$queue) {
1928	if (@$queue) {	2640	if (@$queue) {
…		…
1930	} else {	2642	} else {
1931	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1932	}	2644	}
1933	}	2645	}
1934	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
1935	);	2673	);
1936		2674
1937	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
1938		2676
1939	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
1980	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
1981	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
1982		2720
1983	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
1984		2722
1985	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
1986		2728
1987	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
1988		2730
1989	=pod	2731	=pod
1990		2732
1991	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
1992		2734
1993	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
1994	cf::object::player player	2739	cf::object::player
1995	cf::player peaceful	2740	player
1996	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
1997		2747
1998	=cut	2748	=cut
1999		2749
2000	for (	2750	for (
2001	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2002	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2003	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2004	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2005	) {	2757	) {
2006	no strict 'refs';	2758	no strict 'refs';
…		…
2077	=back	2829	=back
2078		2830
2079	=cut	2831	=cut
2080		2832
2081	#############################################################################	2833	#############################################################################
		2834	# the server's init and main functions
2082		2835
2083	=head2 EXTENSION DATABASE SUPPORT	2836	sub load_facedata($) {
		2837	my ($path) = @_;
2084		2838
2085	Crossfire maintains a very simple database for extension use. It can	2839	my $enc = JSON::XS->new->utf8->canonical;
2086	currently store anything that can be serialised using Storable, which
2087	excludes objects.
2088		2840
2089	The parameter C<$family> should best start with the name of the extension	2841	warn "loading facedata from $path\n";
2090	using it, it should be unique.
2091		2842
2092	=over 4	2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
2093		2846
2094	=item $hashref = cf::db_get $family	2847	$facedata = Coro::Storable::thaw $facedata;
2095		2848
2096	Return a hashref for use by the extension C<$family>, which can be	2849	$facedata->{version} == 2
2097	modified. After modifications, you have to call C<cf::db_dirty> or	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2098	C<cf::db_sync>.
2099		2851
2100	=item $value = cf::db_get $family => $key	2852	# patch in the exptable
2101		2853	$facedata->{resource}{"res/exp_table"} = {
2102	Returns a single value from the database	2854	type => FT_RSRC,
2103		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. 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	});	2856	};
		2857	cf::cede_to_tick;
2155		2858
2156	sub db_dirty() {
2157	$dirty = 1;
2158	$idle->start;
2159	}	2859	{
		2860	my $faces = $facedata->{faceinfo};
2160		2861
2161	sub db_get($;$) {	2862	while (my ($face, $info) = each %$faces) {
2162	@_ >= 2	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2163	? $DB->{$_[0]}{$_[1]}	2864	cf::face::set_visibility $idx, $info->{visibility};
2164	: ($DB->{$_[0]} ||= { })	2865	cf::face::set_magicmap $idx, $info->{magicmap};
2165	}	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2166		2868
2167	sub db_put($$;$) {	2869	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	},	2870	}
2181	);
2182	}
2183		2871
2184	#############################################################################	2872	while (my ($face, $info) = each %$faces) {
2185	# the server's main()	2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
		3002	}
2186		3003
2187	sub cfg_load {	3004	sub cfg_load {
2188	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2189	or return;	3006	or return;
2190		3007
2191	local $/;	3008	local $/;
2192	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2193		3010
…		…
2207		3024
2208	sub main {	3025	sub main {
2209	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2210	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
2211	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3029	(async {
2212	async { Event::one_event };	3030	Event::one_event;
		3031	})->prio (Coro::PRIO_MAX);
2213	};	3032	};
2214		3033
2215	cfg_load;	3034	cfg_load;
2216	db_load;	3035	db_init;
2217	load_extensions;	3036	load_extensions;
		3037
		3038	$TICK_WATCHER->start;
2218	Event::loop;	3039	Event::loop;
2219	}	3040	}
2220		3041
2221	#############################################################################	3042	#############################################################################
2222	# initialisation and cleanup	3043	# initialisation and cleanup
2223		3044
2224	# install some emergency cleanup handlers	3045	# install some emergency cleanup handlers
2225	BEGIN {	3046	BEGIN {
2226	for my $signal (qw(INT HUP TERM)) {	3047	for my $signal (qw(INT HUP TERM)) {
2227	Event->signal (	3048	Event->signal (
		3049	reentrant => 0,
2228	data => WF_AUTOCANCEL,	3050	data => WF_AUTOCANCEL,
2229	signal => $signal,	3051	signal => $signal,
		3052	prio => 0,
2230	cb => sub {	3053	cb => sub {
2231	cf::cleanup "SIG$signal";	3054	cf::cleanup "SIG$signal";
2232	},	3055	},
2233	);	3056	);
2234	}	3057	}
		3058	}
		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
2235	}	3096	}
2236		3097
2237	sub emergency_save() {	3098	sub emergency_save() {
2238	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2239		3100
…		…
2256	my $map = $cf::MAP{$path} or next;	3117	my $map = $cf::MAP{$path} or next;
2257	$map->valid or next;	3118	$map->valid or next;
2258	$map->save;	3119	$map->save;
2259	}	3120	}
2260	warn "end emergency map save\n";	3121	warn "end emergency map save\n";
		3122
		3123	warn "begin emergency database checkpoint\n";
		3124	BDB::db_env_txn_checkpoint $DB_ENV;
		3125	warn "end emergency database checkpoint\n";
2261	};	3126	};
2262		3127
2263	warn "leave emergency perl save\n";	3128	warn "leave emergency perl save\n";
2264	}	3129	}
2265		3130
		3131	sub post_cleanup {
		3132	my ($make_core) = @_;
		3133
		3134	warn Carp::longmess "post_cleanup backtrace"
		3135	if $make_core;
		3136	}
		3137
2266	sub reload() {	3138	sub do_reload_perl() {
2267	# can/must only be called in main	3139	# can/must only be called in main
2268	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2269	warn "can only reload from main coroutine\n";	3141	warn "can only reload from main coroutine";
2270	return;	3142	return;
2271	}	3143	}
2272		3144
2273	warn "reloading...";	3145	warn "reloading...";
2274		3146
2275	warn "freezing server";	3147	warn "entering sync_job";
2276	my $guard = freeze_mainloop;	3148
		3149	cf::sync_job {
		3150	cf::write_runtime; # external watchdog should not bark
2277	cf::emergency_save;	3151	cf::emergency_save;
		3152	cf::write_runtime; # external watchdog should not bark
2278		3153
2279	warn "sync database to disk";	3154	warn "syncing database to disk";
2280	cf::db_sync;	3155	BDB::db_env_txn_checkpoint $DB_ENV;
2281	IO::AIO::flush;
2282		3156
2283	eval {
2284	# if anything goes wrong in here, we should simply crash as we already saved	3157	# if anything goes wrong in here, we should simply crash as we already saved
2285		3158
2286	warn "cancel all watchers";	3159	warn "cancelling all WF_AUTOCANCEL watchers";
2287	for (Event::all_watchers) {	3160	for (Event::all_watchers) {
2288	$_->cancel if $_->data & WF_AUTOCANCEL;	3161	$_->cancel if $_->data & WF_AUTOCANCEL;
2289	}	3162	}
2290		3163
		3164	warn "flushing outstanding aio requests";
		3165	for (;;) {
		3166	BDB::flush;
		3167	IO::AIO::flush;
		3168	Coro::cede;
		3169	last unless IO::AIO::nreqs || BDB::nreqs;
		3170	warn "iterate...";
		3171	}
		3172
		3173	++$RELOAD;
		3174
2291	warn "cancel all extension coros";	3175	warn "cancelling all extension coros";
2292	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2293	%EXT_CORO = ();	3177	%EXT_CORO = ();
2294		3178
2295	warn "remove commands";	3179	warn "removing commands";
2296	%COMMAND = ();	3180	%COMMAND = ();
2297		3181
2298	warn "remove ext commands";	3182	warn "removing ext/exti commands";
2299	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2300		3185
2301	warn "unload/nuke all extensions";	3186	warn "unloading/nuking all extensions";
2302	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2303	warn "... unloading $pkg";	3188	warn "... unloading $pkg";
2304		3189
2305	if (my $cb = $pkg->can ("unload")) {	3190	if (my $cb = $pkg->can ("unload")) {
2306	eval {	3191	eval {
…		…
2311		3196
2312	warn "... nuking $pkg";	3197	warn "... nuking $pkg";
2313	Symbol::delete_package $pkg;	3198	Symbol::delete_package $pkg;
2314	}	3199	}
2315		3200
2316	warn "unload all perl modules loaded from $LIBDIR";	3201	warn "unloading all perl modules loaded from $LIBDIR";
2317	while (my ($k, $v) = each %INC) {	3202	while (my ($k, $v) = each %INC) {
2318	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2319		3204
2320	warn "removing <$k>";	3205	warn "... unloading $k";
2321	delete $INC{$k};	3206	delete $INC{$k};
2322		3207
2323	$k =~ s/\.pm$//;	3208	$k =~ s/\.pm$//;
2324	$k =~ s/\//::/g;	3209	$k =~ s/\//::/g;
2325		3210
…		…
2328	}	3213	}
2329		3214
2330	Symbol::delete_package $k;	3215	Symbol::delete_package $k;
2331	}	3216	}
2332		3217
2333	warn "get rid of safe::, as good as possible";	3218	warn "getting rid of safe::, as good as possible";
2334	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2335	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2336		3221
2337	warn "unload cf.pm \"a bit\"";	3222	warn "unloading cf.pm \"a bit\"";
2338	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2339		3225
2340	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2341	# and global variables created in xs	3227	# and global variables created in xs
2342	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2343		3229
		3230	warn "unload completed, starting to reload now";
		3231
2344	warn "reloading cf.pm";	3232	warn "reloading cf.pm";
2345	require cf;	3233	require cf;
2346	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2347		3235
2348	warn "load config and database again";	3236	warn "loading config and database again";
2349	cf::cfg_load;	3237	cf::cfg_load;
2350	cf::db_load;
2351		3238
2352	warn "load extensions";	3239	warn "loading extensions";
2353	cf::load_extensions;	3240	cf::load_extensions;
2354		3241
2355	warn "reattach attachments to objects/players";	3242	warn "reattaching attachments to objects/players";
2356	_global_reattach;	3243	_global_reattach; # objects, sockets
2357	warn "reattach attachments to maps";	3244	warn "reattaching attachments to maps";
2358	reattach $_ for values %MAP;	3245	reattach $_ for values %MAP;
2359	};	3246	warn "reattaching attachments to players";
		3247	reattach $_ for values %PLAYER;
2360		3248
2361	if ($@) {	3249	warn "leaving sync_job";
		3250
		3251	1
		3252	} or do {
2362	warn $@;	3253	warn $@;
2363	warn "error while reloading, exiting.";	3254	warn "error while reloading, exiting.";
2364	exit 1;	3255	exit 1;
2365	}	3256	};
2366		3257
2367	warn "reloaded";	3258	warn "reloaded";
2368	};	3259	};
2369		3260
		3261	our $RELOAD_WATCHER; # used only during reload
		3262
		3263	sub reload_perl() {
		3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
		3266
		3267	$RELOAD_WATCHER ||= Event->timer (
		3268	reentrant => 0,
		3269	after => 0,
		3270	data => WF_AUTOCANCEL,
		3271	cb => sub {
		3272	do_reload_perl;
		3273	undef $RELOAD_WATCHER;
		3274	},
		3275	);
		3276	}
		3277
2370	register_command "reload" => sub {	3278	register_command "reload" => sub {
2371	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2372		3280
2373	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2374	$who->message ("start of reload.");
2375	reload;
2376	$who->message ("end of reload.");	3282	$who->message ("reloading server.");
		3283	async { reload_perl };
2377	}	3284	}
2378	};	3285	};
2379		3286
2380	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2381		3288
		3289	my $bug_warning = 0;
		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2382	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2383	reentrant => 0,	3315	reentrant => 0,
		3316	parked => 1,
2384	prio => 0,	3317	prio => 0,
2385	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
2386	data => WF_AUTOCANCEL,	3319	data => WF_AUTOCANCEL,
2387	cb => sub {	3320	cb => sub {
		3321	if ($Coro::current != $Coro::main) {
		3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3323	unless ++$bug_warning > 10;
		3324	return;
		3325	}
		3326
2388	$NOW = Event::time;	3327	$NOW = $tick_start = Event::time;
2389		3328
2390	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2391	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2392	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2393		3356
2394	$WAIT_FOR_TICK->broadcast;	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2395	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3359	Coro::async_pool {
		3360	write_runtime
		3361	or warn "ERROR: unable to write runtime file: $!";
		3362	};
		3363	}
		3364
		3365	# my $AFTER = Event::time;
		3366	# warn $AFTER - $NOW;#d#
		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
2396		3376
2397	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2398	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2399		3379
2400	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2401	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2402	},	3389	},
2403	);	3390	);
2404		3391
		3392	{
2405	IO::AIO::max_poll_time $TICK * 0.2;	3393	BDB::max_poll_time $TICK * 0.1;
2406		3394	$BDB_POLL_WATCHER = Event->io (
2407	Event->io (	3395	reentrant => 0,
2408	fd => IO::AIO::poll_fileno,	3396	fd => BDB::poll_fileno,
2409	poll => 'r',	3397	poll => 'r',
2410	prio => 5,	3398	prio => 0,
2411	data => WF_AUTOCANCEL,
2412	cb => \&IO::AIO::poll_cb,
2413	);
2414
2415	Event->timer (
2416	data => WF_AUTOCANCEL,	3399	data => WF_AUTOCANCEL,
2417	after => 0,	3400	cb => \&BDB::poll_cb,
2418	interval => 10,	3401	);
2419	cb => sub {	3402	BDB::min_parallel 8;
2420	(Coro::unblock_sub {	3403
2421	write_runtime	3404	BDB::set_sync_prepare {
2422	or warn "ERROR: unable to write runtime file: $!";	3405	my $status;
		3406	my $current = $Coro::current;
		3407	(
		3408	sub {
		3409	$status = $!;
		3410	$current->ready; undef $current;
		3411	},
		3412	sub {
		3413	Coro::schedule while defined $current;
		3414	$! = $status;
		3415	},
		3416	)
		3417	};
		3418
		3419	unless ($DB_ENV) {
		3420	$DB_ENV = BDB::db_env_create;
		3421
		3422	cf::sync_job {
		3423	eval {
		3424	BDB::db_env_open
		3425	$DB_ENV,
		3426	$BDBDIR,
		3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3429	0666;
		3430
		3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3432
		3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3434	$DB_ENV->set_lk_detect;
		3435	};
		3436
		3437	cf::cleanup "db_env_open(db): $@" if $@;
2423	})->();	3438	};
2424	},	3439	}
2425	);	3440	}
		3441
		3442	{
		3443	IO::AIO::min_parallel 8;
		3444
		3445	undef $Coro::AIO::WATCHER;
		3446	IO::AIO::max_poll_time $TICK * 0.1;
		3447	$AIO_POLL_WATCHER = Event->io (
		3448	reentrant => 0,
		3449	data => WF_AUTOCANCEL,
		3450	fd => IO::AIO::poll_fileno,
		3451	poll => 'r',
		3452	prio => 6,
		3453	cb => \&IO::AIO::poll_cb,
		3454	);
		3455	}
		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
2426		3497
2427	END { cf::emergency_save }	3498	END { cf::emergency_save }
2428		3499
2429	1	3500	1
2430		3501

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