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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.337 by root, Tue Aug 21 00:54:01 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		95
65	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
68	binmode STDOUT;	103	binmode STDOUT;
69	binmode STDERR;	104	binmode STDERR;
70		105
71	# read virtual server time, if available	106	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
73	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
74	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
75	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
76	}	111	}
77		112
78	mkdir cf::localdir;	113	mkdir $_
79	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
80	mkdir cf::localdir . "/" . cf::tmpdir;
81	mkdir cf::localdir . "/" . cf::uniquedir;
82	mkdir $RANDOM_MAPS;
83		115
84	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
85		119
86	#############################################################################	120	#############################################################################
87		121
88	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
89		123
…		…
96	=item $cf::RUNTIME	130	=item $cf::RUNTIME
97		131
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	133	every server tick.
100		134
101	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		138
103	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
105		143
106	=item $cf::NOW	144	=item $cf::NOW
107		145
108	The time of the last (current) server tick.	146	The time of the last (current) server tick.
109		147
110	=item $cf::TICK	148	=item $cf::TICK
111		149
112	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
113		161
114	=item %cf::CFG	162	=item %cf::CFG
115		163
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
117	from wherever your confdir points to.	165	from wherever your confdir points to.
118		166
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		168
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
125		178
126	=back	179	=back
127		180
128	=cut	181	=cut
129		182
130	BEGIN {	183	BEGIN {
131	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
132	my $msg = join "", @_;	185	my $msg = join "", @_;
133	utf8::encode $msg;
134		186
135	$msg .= "\n"	187	$msg .= "\n"
136	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
137		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
138	LOG llevError, $msg;	193	LOG llevError, $msg;
139	};	194	};
140	}	195	}
141		196
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		204
149	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	206	# within the Safe compartment.
151	for my $pkg (qw(	207	for my $pkg (qw(
152	cf::global cf::attachable	208	cf::global cf::attachable
…		…
160	}	216	}
161		217
162	$Event::DIED = sub {	218	$Event::DIED = sub {
163	warn "error in event callback: @_";	219	warn "error in event callback: @_";
164	};	220	};
		221
		222	#############################################################################
165		223
166	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
167		225
168	=over 4	226	=over 4
169		227
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	247	$d
190	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
191	}	249	}
192		250
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
196		252
197	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
198		254
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
207		256
208	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
209		258
210	=cut	259	=cut
211		260
212	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
214	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
215	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
216		265
217	=item cf::lock_wait $string	266	=item cf::lock_wait $string
218		267
219	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
220		269
…		…
226	returned.	275	returned.
227		276
228	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
230		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
231	=cut	284	=cut
232		285
233	our %LOCK;	286	our %LOCK;
234		287
235	sub lock_wait($) {	288	sub lock_wait($) {
…		…
254	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
256	}	309	}
257	}	310	}
258		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
259	sub freeze_mainloop {	318	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
261		320
262	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
263	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
264	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
265	}	382	}
266		383
267	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
268		385
269	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		391
275	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
276		393
277	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
278		395
279	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
282		400
283	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
286	fast or be very important.	404	fast or be very important.
…		…
289		407
290	sub sync_job(&) {	408	sub sync_job(&) {
291	my ($job) = @_;	409	my ($job) = @_;
292		410
293	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
294	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
296		416
297	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
298	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
309		429
310	while ($busy) {	430	while ($busy) {
311	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
312	}	432	}
313		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
314	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
315	} else {	442	} else {
316	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
317		444
318	$job->()	445	$job->()
…		…
337	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
338		465
339	$coro	466	$coro
340	}	467	}
341		468
342	sub write_runtime {	469	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		470
345	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
346		475
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
348	or return;
349		477
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	478	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	479	my ($cb, @args) = @_;
352	and return;
353		480
354	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
355	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	close $fh	485	my @res = Coro::Util::fork_eval {
358	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		489
360	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
361	and return;	491	}
362		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
363	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	618	}
365		619
366	=back	620	=back
367		621
368	=cut	622	=cut
…		…
375	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
377		631
378	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	634	Crossfire TRT).
381		635
382	=over 4	636	=over 4
383		637
384	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
385		639
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	754	our @CB_MAP = ();
501		755
502	my %attachment;	756	my %attachment;
503		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
504	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
506		766
507	use sort 'stable';	767	use sort 'stable';
508		768
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
543		803
544	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		808
549	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	810	my $pkg = shift @arg;
551		811
552	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
581	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
582	}	842	}
583		843
584	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
585	} else {	845	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
587	}	847	}
588		848
589	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
590	}	850	}
591		851
…		…
593	if (ref $_[0]) {	853	if (ref $_[0]) {
594	_object_attach @_;	854	_object_attach @_;
595	} else {	855	} else {
596	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
597	}	857	}
		858	_recalc_want;
598	};	859	};
599		860
600	# all those should be optimised	861	# all those should be optimised
601	sub cf::attachable::detach {	862	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
606	reattach ($obj);	867	reattach ($obj);
607	} else {	868	} else {
608	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
609	}	870	}
		871	_recalc_want;
610	};	872	};
611		873
612	sub cf::attachable::attached {	874	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
614		876
…		…
629	";	891	";
630	die if $@;	892	die if $@;
631	}	893	}
632		894
633	our $override;	895	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		897
636	sub override {	898	sub override {
637	$override = 1;	899	$override = 1;
638	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
639	}	901	}
640		902
641	sub do_invoke {	903	sub do_invoke {
642	my $event = shift;	904	my $event = shift;
643	my $callbacks = shift;	905	my $callbacks = shift;
644		906
645	@invoke_results = ();	907	@INVOKE_RESULTS = ();
646		908
647	local $override;	909	local $override;
648		910
649	for (@$callbacks) {	911	for (@$callbacks) {
650	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
667		929
668	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
669		931
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		935
674	=back	936	=back
675		937
676	=cut	938	=cut
677		939
678	#############################################################################	940	#############################################################################
679	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
680		953
681	sub reattach {	954	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		959
685	my $registry = $obj->registry;	960	my $registry = $obj->registry;
686		961
687	@$registry = ();	962	@$registry = ();
688		963
…		…
735	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
736		1011
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
740	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
741	close $fh;	1016	close $fh;
742		1017
743	if (@$objs) {	1018	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
748	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
749	close $fh;	1024	close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
751	}	1026	}
752	} else {	1027	} else {
753	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
785	or return;	1060	or return;
786	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
787	}	1062	}
788		1063
789	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
791	return ($data, $av);	1066	return ($data, $av);
792	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
793		1074
794	#############################################################################	1075	#############################################################################
795	# command handling &c	1076	# command handling &c
796		1077
797	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1092	}
812		1093
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1095
815	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
816		1101
817	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
818	called.	1103	called.
819		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
820	=cut	1116	=cut
821		1117
822	sub register_extcmd {	1118	sub register_extcmd {
823	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
824		1120
825	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
826	}	1128	}
827		1129
828	cf::player->attach (	1130	cf::player->attach (
829	on_command => sub {	1131	on_command => sub {
830	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
839	cf::override;	1141	cf::override;
840	},	1142	},
841	on_extcmd => sub {	1143	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
843		1145
844	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1147
846	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
849	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
850	}	1158	if $reply;
851	}	1159	}
852	} else {	1160	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1162	}
855		1163
856	cf::override;	1164	cf::override;
857	},	1165	},
858	);	1166	);
859		1167
860	sub load_extension {
861	my ($path) = @_;
862
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
864	my $base = $1;
865	my $pkg = $1;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}
888	die $@;
889	}
890
891	push @EXTS, $pkg;
892	}
893
894	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
895	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1173	next unless -r $path;
897	eval {	1174
898	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
899	1	1232	}
900	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
901	}	1238	};
902	}	1239	}
903		1240
904	#############################################################################	1241	#############################################################################
905	# load/save/clean perl data associated with a map
906		1242
907	*cf::mapsupport::on_clean = sub {	1243	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1244
920	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
921		1246
922	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
923		1248
…		…
936	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
937		1262
938	=cut	1263	=cut
939		1264
940	sub playerdir($) {	1265	sub playerdir($) {
941	cf::localdir	1266	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1268	}
947		1269
948	sub path($) {	1270	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1272
951	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
952	}	1274	}
953		1275
954	sub find_active($) {	1276	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
959		1281
960	sub exists($) {	1282	sub exists($) {
961	my ($login) = @_;	1283	my ($login) = @_;
962		1284
963	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
965	}	1287	}
966		1288
967	sub find($) {	1289	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1291	my $login = $_[0];
970		1292
971	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
972		1294
973	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
974	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
975	or return;	1304	or return;
976	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
977	}	1306	}
978	}	1307	}
…		…
1006	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1007		1336
1008	$self	1337	$self
1009	}	1338	}
1010		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1011	=item $pl->quit_character	1350	=item $pl->quit_character
1012		1351
1013	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1015		1354
1016	=cut	1355	=cut
1017		1356
1018	sub quit_character {	1357	sub quit_character {
1019	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1020		1361
1021	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1023		1364
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1029	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1034	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1035	}	1396	}
1036		1397
1037	=item cf::player::list_logins	1398	=item cf::player::list_logins
1038		1399
1039	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1041		1402
1042	=cut	1403	=cut
1043		1404
1044	sub list_logins {	1405	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1407	or return [];
1047		1408
1048	my @logins;	1409	my @logins;
1049		1410
1050	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1067	=cut	1428	=cut
1068		1429
1069	sub maps($) {	1430	sub maps($) {
1070	my ($pl) = @_;	1431	my ($pl) = @_;
1071		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1072	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1073	or return;	1436	or return;
1074		1437
1075	my @paths;	1438	my @paths;
1076		1439
1077	for (@$files) {	1440	for (@$files) {
1078	utf8::decode $_;	1441	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1081		1444
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1446	}
1084		1447
1085	\@paths	1448	\@paths
1086	}	1449	}
1087		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1089		1502
1090	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1091		1504
1092	=cut	1505	=cut
1093		1506
1094	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1096		1509
1097	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1511	}
1101		1512
1102	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1103		1553
1104	=back	1554	=back
1105
1106		1555
1107	=head3 cf::map	1556	=head3 cf::map
1108		1557
1109	=over 4	1558	=over 4
1110		1559
…		…
1114		1563
1115	use Fcntl;	1564	use Fcntl;
1116	use Coro::AIO;	1565	use Coro::AIO;
1117		1566
1118	use overload	1567	use overload
1119	'""' => \&as_string;	1568	'""' => \&as_string,
		1569	fallback => 1;
1120		1570
1121	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1123		1573
1124	sub generate_random_map {	1574	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1126
1127	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1577	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1589	)
1141	}	1590	}
1142		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
1143	sub register {	1600	sub register {
1144	my (undef, $regex) = @_;	1601	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1602	my $pkg = caller;
1146		1603
1147	no strict;	1604	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1605	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1606
1150	$EXT_MAP{$pkg} = qr<$regex>;	1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1608	}
1152		1609
1153	# also paths starting with '/'	1610	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
1155		1622
1156	sub normalise {	1623	sub normalise {
1157	my ($path, $base) = @_;	1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
1158		1629
1159	# map plan:	1630	# map plan:
1160	#	1631	#
1161	# /! non-realised random map exit (special hack!)	1632	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1633	# {... are special paths that are not being touched
…		…
1190		1661
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1663
1193	$path = normalise $path, $base;	1664	$path = normalise $path, $base;
1194		1665
1195	for my $pkg (keys %EXT_MAP) {	1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1668	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1669	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1670	$self->init; # pass $1 etc.
1200	return $self;	1671	return $self;
1201	}	1672	}
1202	}	1673	}
1203		1674
1204	Carp::carp "unable to resolve path '$path'.";	1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1676	()
1206	}	1677	}
1207		1678
1208	sub init {	1679	sub init {
1209	my ($self) = @_;	1680	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1691	# the displayed name, this is a one way mapping
1221	sub visible_name {	1692	sub visible_name {
1222	&as_string	1693	&as_string
1223	}	1694	}
1224		1695
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1696	# the original (read-only) location
1233	sub load_path {	1697	sub load_path {
1234	my ($self) = @_;	1698	my ($self) = @_;
1235		1699
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1700	"$MAPDIR/$self->{path}.map"
1237	}	1701	}
1238		1702
1239	# the temporary/swap location	1703	# the temporary/swap location
1240	sub save_path {	1704	sub save_path {
1241	my ($self) = @_;	1705	my ($self) = @_;
1242		1706
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
1244	}	1709	}
1245		1710
1246	# the unique path, undef == no special unique path	1711	# the unique path, undef == no special unique path
1247	sub uniq_path {	1712	sub uniq_path {
1248	my ($self) = @_;	1713	my ($self) = @_;
1249		1714
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
1251	}	1717	}
1252		1718
1253	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1254	# all maps in C++...	1720	# all maps in C++...
1255	sub change_all_map_light {	1721	sub change_all_map_light {
…		…
1257		1723
1258	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1259	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1260	}	1726	}
1261		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
1262	sub unlink_save {	1736	sub unlink_save {
1263	my ($self) = @_;	1737	my ($self) = @_;
1264		1738
1265	utf8::encode (my $save = $self->save_path);	1739	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1742	}
1269		1743
1270	sub load_header_from($) {	1744	sub load_header_from($) {
1271	my ($self, $path) = @_;	1745	my ($self, $path) = @_;
1272		1746
1273	utf8::encode $path;	1747	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
1275	or return;	1749	# or return;
1276		1750
1277	$self->_load_header ($path)	1751	$self->_load_header ($path)
1278	or return;	1752	or return;
1279		1753
1280	$self->{load_path} = $path;	1754	$self->{load_path} = $path;
1281		1755
1282	1	1756	1
1283	}	1757	}
1284		1758
1285	sub load_orig {	1759	sub load_header_orig {
1286	my ($self) = @_;	1760	my ($self) = @_;
1287		1761
1288	$self->load_header_from ($self->load_path)	1762	$self->load_header_from ($self->load_path)
1289	}	1763	}
1290		1764
1291	sub load_temp {	1765	sub load_header_temp {
1292	my ($self) = @_;	1766	my ($self) = @_;
1293		1767
1294	$self->load_header_from ($self->save_path)	1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
1295	}	1788	}
1296		1789
1297	sub load_header {	1790	sub load_header {
1298	my ($self) = @_;	1791	my ($self) = @_;
1299		1792
1300	if ($self->load_temp) {	1793	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	1794	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	1795	} else {
1307	$self->load_orig	1796	$self->load_header_orig
1308	or return;	1797	or return;
1309		1798	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	1799	}
		1800
		1801	$self->{deny_reset} = 1
		1802	if $self->no_reset;
		1803
		1804	$self->default_region (cf::region::find_by_path $self->{path})
		1805	unless $self->default_region;
1315		1806
1316	1	1807	1
1317	}	1808	}
1318		1809
1319	sub find;	1810	sub find;
…		…
1332	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1333		1824
1334	$map->load_header	1825	$map->load_header
1335	or return;	1826	or return;
1336		1827
1337	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1338	$map->reset;	1831	$map->reset;
1339	undef $guard;	1832	undef $guard;
1340	$map = find $path	1833	return find $path;
1341	or return;
1342	}	1834	}
1343		1835
1344	$cf::MAP{$path} = $map	1836	$cf::MAP{$path} = $map
1345	}	1837	}
1346	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1347		1842
1348	sub load {	1843	sub load {
1349	my ($self) = @_;	1844	my ($self) = @_;
1350		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1351	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1352	my $guard = cf::lock_acquire "map_load:$path";	1851	my $guard = cf::lock_acquire "map_load:$path";
1353		1852
1354	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1355		1854
1356	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1357		1856
1358	$self->alloc;	1857	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)
1360	or return;
1361		1858
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1859	$self->pre_load;
1363	if delete $self->{load_original};
1364
1365	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {
1368	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);
1370	}
1371	}
1372
1373	Coro::cede;
1374
1375	# now do the right thing for maps
1376	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;	1860	Coro::cede;
1383	$self->set_darkness_map;	1861
		1862	$self->_load_objects ($self->{load_path}, 1)
		1863	or return;
		1864
		1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1866	if delete $self->{load_original};
		1867
		1868	if (my $uniq = $self->uniq_path) {
		1869	utf8::encode $uniq;
		1870	if (aio_open $uniq, O_RDONLY, 0) {
		1871	$self->clear_unique_items;
		1872	$self->_load_objects ($uniq, 0);
		1873	}
		1874	}
		1875
		1876	Coro::cede;
		1877	# now do the right thing for maps
		1878	$self->link_multipart_objects;
1384	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1880	unless $self->difficulty;
1386	Coro::cede;	1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1387	$self->activate;	1890	$self->activate;
1388	}	1891	}
1389		1892
		1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
		1895
1390	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
1391	}	1900	}
1392		1901
1393	sub customise_for {	1902	sub customise_for {
1394	my ($self, $ob) = @_;	1903	my ($self, $ob) = @_;
1395		1904
1396	return find "~" . $ob->name . "/" . $self->{path}	1905	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	1906	if $self->per_player;
1398		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
1399	$self	1911	$self
1400	}	1912	}
1401		1913
1402	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	1915	sub load_neighbours {
1404	my ($map) = @_;	1916	my ($map) = @_;
1405		1917
1406	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1407		1919
1408	for (0 .. 3) {	1920	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1410	or next;	1922	or next;
1411	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1412	or next;	1924	or next;
1413	$neigh->load;	1925	$neigh->load;
1414		1926
		1927	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	1930	}
1418		1931
1419	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1421	or next;	1935	or next;
1422	$neigh->load;	1936	$neigh->load;
1423	}	1937	}
1424	}	1938	}
1425		1939
…		…
1434		1948
1435	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1436	}	1950	}
1437		1951
1438	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		1954
1452	sub find_async {	1955	sub find_async {
1453	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1454		1957
1455	$path = normalise $path, $origin && $origin->{path};	1958	$path = normalise $path, $origin && $origin->{path};
1456		1959
1457	if (my $map = $cf::MAP{$path}) {	1960	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459	}	1962	}
1460		1963
1461	$MAP_PREFETCH{$path} = 0;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1462	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1463		1978
1464	()	1979	()
1465	}	1980	}
1466		1981
1467	sub save {	1982	sub save {
…		…
1512		2027
1513	sub reset_at {	2028	sub reset_at {
1514	my ($self) = @_;	2029	my ($self) = @_;
1515		2030
1516	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1519		2033
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2036
…		…
1527	my ($self) = @_;	2041	my ($self) = @_;
1528		2042
1529	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1530	}	2044	}
1531		2045
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2046	sub reset {
1547	my ($self) = @_;	2047	my ($self) = @_;
1548		2048
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2050
1551	return if $self->players;	2051	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2052
1554	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1555		2064
1556	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
1557		2068
1558	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1559		2070
1560	$self->unlink_save;	2071	$self->unlink_save;
1561	$self->destroy;	2072	$self->destroy;
…		…
1564	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1565		2076
1566	sub nuke {	2077	sub nuke {
1567	my ($self) = @_;	2078	my ($self) = @_;
1568		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1572	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
		2093	}
		2094
		2095	=item $maps = cf::map::tmp_maps
		2096
		2097	Returns an arrayref with all map paths of currently instantiated and saved
		2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
		2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
		2112
		2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
1573	}	2129	}
1574		2130
1575	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1576		2132
1577	Returns an arrayref of paths of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2134	instantiated unique items. May block.
1579		2135
1580	=cut	2136	=cut
1581		2137
1582	sub unique_maps() {	2138	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1584	or return;	2140	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2141	utf8::decode $_;
1590	next if /\.pst$/;	2142	/\.map$/
1591	next unless /^$PATH_SEP/o;	2143	? normalise $_
1592		2144	: ()
1593	push @paths, $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2146	]
1595
1596	\@paths
1597	}	2147	}
1598		2148
1599	package cf;	2149	package cf;
1600		2150
1601	=back	2151	=back
…		…
1647		2197
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2199
1650	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1652	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1655	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1656	}	2225	}
1657		2226
1658	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1659		2228
1660	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1692	=cut	2261	=cut
1693		2262
1694	sub link_map {	2263	sub link_map {
1695	unless ($LINK_MAP) {	2264	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2265	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2267	$LINK_MAP->load;
1699	}	2268	}
1700		2269
1701	$LINK_MAP	2270	$LINK_MAP
1702	}	2271	}
…		…
1707	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1708		2277
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2279
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1713		2282
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2284	}
1716		2285
1717	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1719		2290
1720	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1721		2292
1722	unless ($map) {	2293	unless ($map) {
1723	# restore original map position	2294	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1740		2311
1741	$map->load;	2312	$map->load;
1742	$map->load_diag;	2313	$map->load_neighbours;
1743		2314
1744	return unless $self->contr->active;	2315	return unless $self->contr->active;
1745	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1747	}	2320	}
1748		2321
1749	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2323
1753	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1757	};	2328	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2329
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1784		2333
1785	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
		2336
		2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2339
1788	$self->enter_link;	2340	$self->enter_link;
1789		2341
1790	(async {	2342	(async {
		2343	my $map = eval {
1791	my $map = cf::map::find $path;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1793		2348	$map = $check->($map) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1798		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1800	})->prio (1);	2367	})->prio (1);
1801	}	2368	}
1802		2369
1803	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1804		2371
…		…
1806		2373
1807	sub parse_random_map_params {	2374	sub parse_random_map_params {
1808	my ($spec) = @_;	2375	my ($spec) = @_;
1809		2376
1810	my $rmp = { # defaults	2377	my $rmp = { # defaults
1811	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1813	};	2382	};
1814		2383
1815	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1817		2386
…		…
1821	$rmp	2390	$rmp
1822	}	2391	}
1823		2392
1824	sub prepare_random_map {	2393	sub prepare_random_map {
1825	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1826		2397
1827	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1828	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1829	# that depends on the exit object	2400	# that depends on the exit object
1830		2401
1831	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1832		2403
1833	if ($exit->map) {	2404	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1838	}	2409	}
1839		2410
1840	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1841		2412
1842	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1843	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1844		2416
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1847		2421
1848	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2423	$exit->msg (undef);
1850	}	2424	}
1851	}	2425	}
…		…
1853	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1855		2429
1856	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1857		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1858	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1859		2448
1860	(async {	2449	(async {
1861	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1862	unless (eval {	2451	unless (eval {
1863	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1864	if $exit->slaying eq "/!";
1865
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1868		2453
1869	1;	2454	1;
1870	}) {	2455	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1872	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2460
1876	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1877	$self->leave_link;	2462	$self->leave_link;
1878	}	2463	}
1879	})->prio (1);	2464	})->prio (1);
…		…
1892		2477
1893	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1895		2480
1896	utf8::encode $text;	2481	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2483	}
1899		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1900		2583
1901	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1902		2585
1903	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		2589
1907	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	2591	become reliable at some point in the future.
1909		2592
1910	=cut	2593	=cut
1911		2594
1912	sub cf::client::query {	2595	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	2604	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		2606
1924	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1926	}	2611	}
1927		2612
1928	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1929	on_reply => sub {	2619	on_reply => sub {
1930	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1931		2621
1932	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1933	# get handled first	2623	# get handled first
1934	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		2626
1937	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		2629
1939	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1940		2631
1941	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	2633	if (@$queue) {
…		…
1944	} else {	2635	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	2637	}
1947	}	2638	}
1948	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1949	);	2663	);
1950		2664
1951	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1952		2666
1953	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
1994	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
1996		2710
1997	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
1998		2712
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2000		2718
2001	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2002		2720
2003	=pod	2721	=pod
2004		2722
2005	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2006		2724
2007	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2008	cf::object::player player	2729	cf::object::player
2009	cf::player peaceful	2730	player
2010	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2011		2737
2012	=cut	2738	=cut
2013		2739
2014	for (	2740	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2016	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2018	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2019	) {	2746	) {
2020	no strict 'refs';	2747	no strict 'refs';
…		…
2091	=back	2818	=back
2092		2819
2093	=cut	2820	=cut
2094		2821
2095	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2096		2824
2097	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2098		2827
2099	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2100	currently store anything that can be serialised using Storable, which
2101	excludes objects.
2102		2829
2103	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2104	using it, it should be unique.
2105		2831
2106	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2107		2835
2108	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2109		2837
2110	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2111	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2112	C<cf::db_sync>.
2113		2840
2114	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2115		2842	$facedata->{resource}{"res/exp_table"} = {
2116	Returns a single value from the database	2843	type => FT_RSRC,
2117		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2118	=item cf::db_put $family => $hashref
2119
2120	Stores the given family hashref into the database. Updates are delayed, if
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	2845	};
		2846	cf::cede_to_tick;
2169		2847
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2174		2850
2175	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2178	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2179	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2180		2857
2181	sub db_put($$;$) {	2858	cf::cede_to_tick;
2182	if (@_ >= 3) {
2183	$DB->{$_[0]}{$_[1]} = $_[2];
2184	} else {
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189
2190	cf::global->attach (
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	2859	}
2195	);
2196	}
2197		2860
2198	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	} else {
		2908	$data = $info->{data};
		2909	}
		2910
		2911	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2912	cf::face::set_type $idx, $info->{type};
		2913
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	if ($soundconf) {
		2918	$soundconf = $enc->decode (delete $soundconf->{data});
		2919
		2920	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2921	my $sound = $soundconf->{compat}[$_]
		2922	or next;
		2923
		2924	my $face = cf::face::find "sound/$sound->[1]";
		2925	cf::sound::set $sound->[0] => $face;
		2926	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2927	}
		2928
		2929	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2930	my $face = cf::face::find "sound/$v";
		2931	cf::sound::set $k => $face;
		2932	}
		2933	}
		2934	}
		2935
		2936	1
		2937	}
		2938
		2939	register_exticmd fx_want => sub {
		2940	my ($ns, $want) = @_;
		2941
		2942	while (my ($k, $v) = each %$want) {
		2943	$ns->fx_want ($k, $v);
		2944	}
		2945	};
		2946
		2947	sub reload_regions {
		2948	load_resource_file "$MAPDIR/regions"
		2949	or die "unable to load regions file\n";
		2950
		2951	for (cf::region::list) {
		2952	$_->{match} = qr/$_->{match}/
		2953	if exists $_->{match};
		2954	}
		2955	}
		2956
		2957	sub reload_facedata {
		2958	load_facedata "$DATADIR/facedata"
		2959	or die "unable to load facedata\n";
		2960	}
		2961
		2962	sub reload_archetypes {
		2963	load_resource_file "$DATADIR/archetypes"
		2964	or die "unable to load archetypes\n";
		2965	#d# NEED to laod twice to resolve forward references
		2966	# this really needs to be done in an extra post-pass
		2967	# (which needs to be synchronous, so solve it differently)
		2968	load_resource_file "$DATADIR/archetypes"
		2969	or die "unable to load archetypes\n";
		2970	}
		2971
		2972	sub reload_treasures {
		2973	load_resource_file "$DATADIR/treasures"
		2974	or die "unable to load treasurelists\n";
		2975	}
		2976
		2977	sub reload_resources {
		2978	warn "reloading resource files...\n";
		2979
		2980	reload_regions;
		2981	reload_facedata;
		2982	#reload_archetypes;#d#
		2983	reload_archetypes;
		2984	reload_treasures;
		2985
		2986	warn "finished reloading resource files\n";
		2987	}
		2988
		2989	sub init {
		2990	reload_resources;
		2991	}
2200		2992
2201	sub cfg_load {	2993	sub cfg_load {
2202	open my $fh, "<:utf8", cf::confdir . "/config"	2994	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	2995	or return;
2204		2996
2205	local $/;	2997	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	2998	*CFG = YAML::Syck::Load <$fh>;
2207		2999
…		…
2221		3013
2222	sub main {	3014	sub main {
2223	# we must not ever block the main coroutine	3015	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3016	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3017	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3018	(async {
2226	async { Event::one_event };	3019	Event::one_event;
		3020	})->prio (Coro::PRIO_MAX);
2227	};	3021	};
2228		3022
2229	cfg_load;	3023	cfg_load;
2230	db_load;	3024	db_init;
2231	load_extensions;	3025	load_extensions;
		3026
		3027	$TICK_WATCHER->start;
2232	Event::loop;	3028	Event::loop;
2233	}	3029	}
2234		3030
2235	#############################################################################	3031	#############################################################################
2236	# initialisation and cleanup	3032	# initialisation and cleanup
2237		3033
2238	# install some emergency cleanup handlers	3034	# install some emergency cleanup handlers
2239	BEGIN {	3035	BEGIN {
2240	for my $signal (qw(INT HUP TERM)) {	3036	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3037	Event->signal (
		3038	reentrant => 0,
2242	data => WF_AUTOCANCEL,	3039	data => WF_AUTOCANCEL,
2243	signal => $signal,	3040	signal => $signal,
		3041	prio => 0,
2244	cb => sub {	3042	cb => sub {
2245	cf::cleanup "SIG$signal";	3043	cf::cleanup "SIG$signal";
2246	},	3044	},
2247	);	3045	);
2248	}	3046	}
2249	}	3047	}
2250		3048
		3049	sub write_runtime {
		3050	my $runtime = "$LOCALDIR/runtime";
		3051
		3052	# first touch the runtime file to show we are still running:
		3053	# the fsync below can take a very very long time.
		3054
		3055	IO::AIO::aio_utime $runtime, undef, undef;
		3056
		3057	my $guard = cf::lock_acquire "write_runtime";
		3058
		3059	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3060	or return;
		3061
		3062	my $value = $cf::RUNTIME + 90 + 10;
		3063	# 10 is the runtime save interval, for a monotonic clock
		3064	# 60 allows for the watchdog to kill the server.
		3065
		3066	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3067	and return;
		3068
		3069	# always fsync - this file is important
		3070	aio_fsync $fh
		3071	and return;
		3072
		3073	# touch it again to show we are up-to-date
		3074	aio_utime $fh, undef, undef;
		3075
		3076	close $fh
		3077	or return;
		3078
		3079	aio_rename "$runtime~", $runtime
		3080	and return;
		3081
		3082	warn "runtime file written.\n";
		3083
		3084	1
		3085	}
		3086
2251	sub emergency_save() {	3087	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3088	my $freeze_guard = cf::freeze_mainloop;
2253		3089
2254	warn "enter emergency perl save\n";	3090	warn "enter emergency perl save\n";
2255		3091
2256	cf::sync_job {	3092	cf::sync_job {
2257	# use a peculiar iteration method to avoid tripping on perl	3093	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3094	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3095	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3096	warn "begin emergency player save\n";
2261	for my $login (keys %cf::PLAYER) {	3097	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3098	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3099	$pl->valid or next;
2264	$pl->save;	3100	$pl->save;
…		…
2270	my $map = $cf::MAP{$path} or next;	3106	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3107	$map->valid or next;
2272	$map->save;	3108	$map->save;
2273	}	3109	}
2274	warn "end emergency map save\n";	3110	warn "end emergency map save\n";
		3111
		3112	warn "begin emergency database checkpoint\n";
		3113	BDB::db_env_txn_checkpoint $DB_ENV;
		3114	warn "end emergency database checkpoint\n";
2275	};	3115	};
2276		3116
2277	warn "leave emergency perl save\n";	3117	warn "leave emergency perl save\n";
2278	}	3118	}
2279		3119
		3120	sub post_cleanup {
		3121	my ($make_core) = @_;
		3122
		3123	warn Carp::longmess "post_cleanup backtrace"
		3124	if $make_core;
		3125	}
		3126
2280	sub reload() {	3127	sub do_reload_perl() {
2281	# can/must only be called in main	3128	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3129	if ($Coro::current != $Coro::main) {
2283	warn "can only reload from main coroutine\n";	3130	warn "can only reload from main coroutine";
2284	return;	3131	return;
2285	}	3132	}
2286		3133
2287	warn "reloading...";	3134	warn "reloading...";
2288		3135
2289	warn "freezing server";	3136	warn "entering sync_job";
2290	my $guard = freeze_mainloop;	3137
		3138	cf::sync_job {
		3139	cf::write_runtime; # external watchdog should not bark
2291	cf::emergency_save;	3140	cf::emergency_save;
		3141	cf::write_runtime; # external watchdog should not bark
2292		3142
2293	warn "sync database to disk";	3143	warn "syncing database to disk";
2294	cf::db_sync;	3144	BDB::db_env_txn_checkpoint $DB_ENV;
2295	IO::AIO::flush;
2296		3145
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved	3146	# if anything goes wrong in here, we should simply crash as we already saved
2299		3147
2300	warn "cancel all watchers";	3148	warn "cancelling all WF_AUTOCANCEL watchers";
2301	for (Event::all_watchers) {	3149	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;	3150	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}	3151	}
2304		3152
		3153	warn "flushing outstanding aio requests";
		3154	for (;;) {
		3155	BDB::flush;
		3156	IO::AIO::flush;
		3157	Coro::cede;
		3158	last unless IO::AIO::nreqs || BDB::nreqs;
		3159	warn "iterate...";
		3160	}
		3161
		3162	++$RELOAD;
		3163
2305	warn "cancel all extension coros";	3164	warn "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3165	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3166	%EXT_CORO = ();
2308		3167
2309	warn "remove commands";	3168	warn "removing commands";
2310	%COMMAND = ();	3169	%COMMAND = ();
2311		3170
2312	warn "remove ext commands";	3171	warn "removing ext/exti commands";
2313	%EXTCMD = ();	3172	%EXTCMD = ();
		3173	%EXTICMD = ();
2314		3174
2315	warn "unload/nuke all extensions";	3175	warn "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3176	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3177	warn "... unloading $pkg";
2318		3178
2319	if (my $cb = $pkg->can ("unload")) {	3179	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3180	eval {
…		…
2325		3185
2326	warn "... nuking $pkg";	3186	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;	3187	Symbol::delete_package $pkg;
2328	}	3188	}
2329		3189
2330	warn "unload all perl modules loaded from $LIBDIR";	3190	warn "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3191	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3192	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3193
2334	warn "removing <$k>";	3194	warn "... unloading $k";
2335	delete $INC{$k};	3195	delete $INC{$k};
2336		3196
2337	$k =~ s/\.pm$//;	3197	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3198	$k =~ s/\//::/g;
2339		3199
…		…
2342	}	3202	}
2343		3203
2344	Symbol::delete_package $k;	3204	Symbol::delete_package $k;
2345	}	3205	}
2346		3206
2347	warn "get rid of safe::, as good as possible";	3207	warn "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3208	Symbol::delete_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3209	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3210
2351	warn "unload cf.pm \"a bit\"";	3211	warn "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3212	delete $INC{"cf.pm"};
		3213	delete $INC{"cf/pod.pm"};
2353		3214
2354	# don't, removes xs symbols, too,	3215	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3216	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3217	#Symbol::delete_package __PACKAGE__;
2357		3218
		3219	warn "unload completed, starting to reload now";
		3220
2358	warn "reloading cf.pm";	3221	warn "reloading cf.pm";
2359	require cf;	3222	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3223	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361		3224
2362	warn "load config and database again";	3225	warn "loading config and database again";
2363	cf::cfg_load;	3226	cf::cfg_load;
2364	cf::db_load;
2365		3227
2366	warn "load extensions";	3228	warn "loading extensions";
2367	cf::load_extensions;	3229	cf::load_extensions;
2368		3230
2369	warn "reattach attachments to objects/players";	3231	warn "reattaching attachments to objects/players";
2370	_global_reattach;	3232	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3233	warn "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3234	reattach $_ for values %MAP;
2373	};	3235	warn "reattaching attachments to players";
		3236	reattach $_ for values %PLAYER;
2374		3237
2375	if ($@) {	3238	warn "leaving sync_job";
		3239
		3240	1
		3241	} or do {
2376	warn $@;	3242	warn $@;
2377	warn "error while reloading, exiting.";	3243	warn "error while reloading, exiting.";
2378	exit 1;	3244	exit 1;
2379	}	3245	};
2380		3246
2381	warn "reloaded";	3247	warn "reloaded";
2382	};	3248	};
2383		3249
		3250	our $RELOAD_WATCHER; # used only during reload
		3251
		3252	sub reload_perl() {
		3253	# doing reload synchronously and two reloads happen back-to-back,
		3254	# coro crashes during coro_state_free->destroy here.
		3255
		3256	$RELOAD_WATCHER ||= Event->timer (
		3257	reentrant => 0,
		3258	after => 0,
		3259	data => WF_AUTOCANCEL,
		3260	cb => sub {
		3261	do_reload_perl;
		3262	undef $RELOAD_WATCHER;
		3263	},
		3264	);
		3265	}
		3266
2384	register_command "reload" => sub {	3267	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3268	my ($who, $arg) = @_;
2386		3269
2387	if ($who->flag (FLAG_WIZ)) {	3270	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3271	$who->message ("reloading server.");
		3272	async { reload_perl };
2391	}	3273	}
2392	};	3274	};
2393		3275
2394	unshift @INC, $LIBDIR;	3276	unshift @INC, $LIBDIR;
2395		3277
		3278	my $bug_warning = 0;
		3279
		3280	our @WAIT_FOR_TICK;
		3281	our @WAIT_FOR_TICK_BEGIN;
		3282
		3283	sub wait_for_tick {
		3284	return unless $TICK_WATCHER->is_active;
		3285	return if $Coro::current == $Coro::main;
		3286
		3287	my $signal = new Coro::Signal;
		3288	push @WAIT_FOR_TICK, $signal;
		3289	$signal->wait;
		3290	}
		3291
		3292	sub wait_for_tick_begin {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK_BEGIN, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	my $min = 1e6;#d#
		3302	my $avg = 10;
2396	$TICK_WATCHER = Event->timer (	3303	$TICK_WATCHER = Event->timer (
2397	reentrant => 0,	3304	reentrant => 0,
		3305	parked => 1,
2398	prio => 0,	3306	prio => 0,
2399	at => $NEXT_TICK || $TICK,	3307	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,	3308	data => WF_AUTOCANCEL,
2401	cb => sub {	3309	cb => sub {
		3310	if ($Coro::current != $Coro::main) {
		3311	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3312	unless ++$bug_warning > 10;
		3313	return;
		3314	}
		3315
2402	$NOW = Event::time;	3316	$NOW = $tick_start = Event::time;
2403		3317
2404	cf::server_tick; # one server iteration	3318	cf::server_tick; # one server iteration
		3319
		3320	0 && sync_job {#d#
		3321	for(1..10) {
		3322	my $t = Event::time;
		3323	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3324	or die;
		3325
		3326	$map->width (50);
		3327	$map->height (50);
		3328	$map->alloc;
		3329	$map->_load_objects ("/tmp/x.map", 1);
		3330	my $t = Event::time - $t;
		3331
		3332	#next unless $t < 0.0013;#d#
		3333	if ($t < $min) {
		3334	$min = $t;
		3335	}
		3336	$avg = $avg * 0.99 + $t * 0.01;
		3337	}
		3338	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3339	exit 0;
		3340	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3341	};
		3342
2405	$RUNTIME += $TICK;	3343	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;	3344	$NEXT_TICK += $TICK;
2407		3345
2408	$WAIT_FOR_TICK->broadcast;	3346	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3347	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3348	Coro::async_pool {
		3349	write_runtime
		3350	or warn "ERROR: unable to write runtime file: $!";
		3351	};
		3352	}
		3353
		3354	# my $AFTER = Event::time;
		3355	# warn $AFTER - $NOW;#d#
		3356
		3357	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3358	$sig->send;
		3359	}
		3360	while (my $sig = shift @WAIT_FOR_TICK) {
		3361	$sig->send;
		3362	}
		3363
		3364	$NOW = Event::time;
2410		3365
2411	# if we are delayed by four ticks or more, skip them all	3366	# if we are delayed by four ticks or more, skip them all
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3367	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2413		3368
2414	$TICK_WATCHER->at ($NEXT_TICK);	3369	$TICK_WATCHER->at ($NEXT_TICK);
2415	$TICK_WATCHER->start;	3370	$TICK_WATCHER->start;
		3371
		3372	$LOAD = ($NOW - $tick_start) / $TICK;
		3373	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3374
		3375	_post_tick;
		3376
		3377
2416	},	3378	},
2417	);	3379	);
2418		3380
		3381	{
2419	IO::AIO::max_poll_time $TICK * 0.2;	3382	BDB::max_poll_time $TICK * 0.1;
2420		3383	$BDB_POLL_WATCHER = Event->io (
2421	Event->io (	3384	reentrant => 0,
2422	fd => IO::AIO::poll_fileno,	3385	fd => BDB::poll_fileno,
2423	poll => 'r',	3386	poll => 'r',
2424	prio => 5,	3387	prio => 0,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,	3388	data => WF_AUTOCANCEL,
2431	after => 0,	3389	cb => \&BDB::poll_cb,
2432	interval => 10,	3390	);
2433	cb => sub {	3391	BDB::min_parallel 8;
2434	(Coro::unblock_sub {	3392
2435	write_runtime	3393	BDB::set_sync_prepare {
2436	or warn "ERROR: unable to write runtime file: $!";	3394	my $status;
		3395	my $current = $Coro::current;
		3396	(
		3397	sub {
		3398	$status = $!;
		3399	$current->ready; undef $current;
		3400	},
		3401	sub {
		3402	Coro::schedule while defined $current;
		3403	$! = $status;
		3404	},
		3405	)
		3406	};
		3407
		3408	unless ($DB_ENV) {
		3409	$DB_ENV = BDB::db_env_create;
		3410
		3411	cf::sync_job {
		3412	eval {
		3413	BDB::db_env_open
		3414	$DB_ENV,
		3415	$BDBDIR,
		3416	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3417	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3418	0666;
		3419
		3420	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3421
		3422	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3423	$DB_ENV->set_lk_detect;
		3424	};
		3425
		3426	cf::cleanup "db_env_open(db): $@" if $@;
2437	})->();	3427	};
2438	},	3428	}
2439	);	3429	}
		3430
		3431	{
		3432	IO::AIO::min_parallel 8;
		3433
		3434	undef $Coro::AIO::WATCHER;
		3435	IO::AIO::max_poll_time $TICK * 0.1;
		3436	$AIO_POLL_WATCHER = Event->io (
		3437	reentrant => 0,
		3438	data => WF_AUTOCANCEL,
		3439	fd => IO::AIO::poll_fileno,
		3440	poll => 'r',
		3441	prio => 6,
		3442	cb => \&IO::AIO::poll_cb,
		3443	);
		3444	}
		3445
		3446	my $_log_backtrace;
		3447
		3448	sub _log_backtrace {
		3449	my ($msg, @addr) = @_;
		3450
		3451	$msg =~ s/\n//;
		3452
		3453	# limit the # of concurrent backtraces
		3454	if ($_log_backtrace < 2) {
		3455	++$_log_backtrace;
		3456	async {
		3457	my @bt = fork_call {
		3458	@addr = map { sprintf "%x", $_ } @addr;
		3459	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3460	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3461	or die "addr2line: $!";
		3462
		3463	my @funcs;
		3464	my @res = <$fh>;
		3465	chomp for @res;
		3466	while (@res) {
		3467	my ($func, $line) = splice @res, 0, 2, ();
		3468	push @funcs, "[$func] $line";
		3469	}
		3470
		3471	@funcs
		3472	};
		3473
		3474	LOG llevInfo, "[ABT] $msg\n";
		3475	LOG llevInfo, "[ABT] $_\n" for @bt;
		3476	--$_log_backtrace;
		3477	};
		3478	} else {
		3479	LOG llevInfo, "[ABT] $msg\n";
		3480	LOG llevInfo, "[ABT] [suppressed]\n";
		3481	}
		3482	}
		3483
		3484	# load additional modules
		3485	use cf::pod;
2440		3486
2441	END { cf::emergency_save }	3487	END { cf::emergency_save }
2442		3488
2443	1	3489	1
2444		3490

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