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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.200 by root, Mon Jan 29 17:57:22 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our %PLAYER; # all users
60	our %MAP; # all maps	93	our %MAP; # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
87		117
88	sub cf::map::normalise;	118	sub cf::map::normalise;
89		119
…		…
100	=item $cf::RUNTIME	130	=item $cf::RUNTIME
101		131
102	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
103	every server tick.	133	every server tick.
104		134
105	=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
106		138
107	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
108	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.
109		143
110	=item $cf::NOW	144	=item $cf::NOW
111		145
112	The time of the last (current) server tick.	146	The time of the last (current) server tick.
113		147
114	=item $cf::TICK	148	=item $cf::TICK
115		149
116	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.
117		161
118	=item %cf::CFG	162	=item %cf::CFG
119		163
120	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
121	from wherever your confdir points to.	165	from wherever your confdir points to.
122		166
123	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
124		168
125	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
126	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
127	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.
128	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.
129		178
130	=back	179	=back
131		180
132	=cut	181	=cut
133		182
134	BEGIN {	183	BEGIN {
135	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
136	my $msg = join "", @_;	185	my $msg = join "", @_;
137	utf8::encode $msg;
138		186
139	$msg .= "\n"	187	$msg .= "\n"
140	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
141		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
142	LOG llevError, $msg;	193	LOG llevError, $msg;
143	};	194	};
144	}	195	}
145		196
146	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
147	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
148	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
149	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
150	@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';
151	@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)
152		204
153	# 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
154	# within the Safe compartment.	206	# within the Safe compartment.
155	for my $pkg (qw(	207	for my $pkg (qw(
156	cf::global cf::attachable	208	cf::global cf::attachable
…		…
164	}	216	}
165		217
166	$Event::DIED = sub {	218	$Event::DIED = sub {
167	warn "error in event callback: @_";	219	warn "error in event callback: @_";
168	};	220	};
		221
		222	#############################################################################
169		223
170	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
171		225
172	=over 4	226	=over 4
173		227
…		…
192	$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;
193	$d	247	$d
194	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
195	}	249	}
196		250
197	use JSON::Syck (); # TODO# replace by JSON::PC once working
198
199	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
200		252
201	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
202		254
203	=cut
204
205	sub from_json($) {
206	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
207	JSON::Syck::Load $_[0]
208	}
209
210	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
211		256
212	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
213		258
214	=cut	259	=cut
215		260
216	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
217	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
218	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
219	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
220		265
221	=item cf::lock_wait $string	266	=item cf::lock_wait $string
222		267
223	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
224		269
…		…
230	returned.	275	returned.
231		276
232	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
233	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
234		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
235	=cut	284	=cut
236		285
237	our %LOCK;	286	our %LOCK;
238		287
239	sub lock_wait($) {	288	sub lock_wait($) {
…		…
258	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
260	}	309	}
261	}	310	}
262		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
263	sub freeze_mainloop {	318	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
265		320
266	my $guard = Coro::guard {	321	my $guard = Coro::guard {
267	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
268	$WRITE_RUNTIME_WATCHER->start;
269	};	323	};
270	$WRITE_RUNTIME_WATCHER->stop;
271	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
272	$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;
273	}	382	}
274		383
275	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
276		385
277	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
282		391
283	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
284		393
285	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
286		395
287	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)
288	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
289	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.
290		400
291	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
292	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
293	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
294	fast or be very important.	404	fast or be very important.
…		…
297		407
298	sub sync_job(&) {	408	sub sync_job(&) {
299	my ($job) = @_;	409	my ($job) = @_;
300		410
301	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
302	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
303	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
304		416
305	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
306	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
317		429
318	while ($busy) {	430	while ($busy) {
319	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
320	}	432	}
321		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
322	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
323	} else {	442	} else {
324	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
325		444
326	$job->()	445	$job->()
…		…
345	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
346		465
347	$coro	466	$coro
348	}	467	}
349		468
350	sub write_runtime {	469	=item fork_call { }, $args
351	my $runtime = cf::localdir . "/runtime";
352		470
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
354	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
355		475
356	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
357	# 10 is the runtime save interval, for a monotonic clock
358	# 60 allows for the watchdog to kill the server.
359		477
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
361	and return;	479	my ($cb, @args) = @_;
362		480
363	aio_fsync $fh	481	# we seemingly have to make a local copy of the whole thing,
364	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
365		484
366	close $fh	485	my @res = Coro::Util::fork_eval {
367	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
368		489
369	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
370	and return;	491	}
371		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	};
372	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 });
373	}	618	}
374		619
375	=back	620	=back
376		621
377	=cut	622	=cut
…		…
384	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")
385	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
386		631
387	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>
388	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
389	crossfire+).	634	Crossfire TRT).
390		635
391	=over 4	636	=over 4
392		637
393	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
394		639
…		…
557	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
558		803
559	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
560	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
561	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
562	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
563		808
564	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
565	my $pkg = shift @arg;	810	my $pkg = shift @arg;
566		811
567	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
596	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
597	}	842	}
598		843
599	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
600	} else {	845	} else {
601	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
602	}	847	}
603		848
604	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
605	}	850	}
606		851
…		…
608	if (ref $_[0]) {	853	if (ref $_[0]) {
609	_object_attach @_;	854	_object_attach @_;
610	} else {	855	} else {
611	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
612	}	857	}
		858	_recalc_want;
613	};	859	};
614		860
615	# all those should be optimised	861	# all those should be optimised
616	sub cf::attachable::detach {	862	sub cf::attachable::detach {
617	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
620	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
621	reattach ($obj);	867	reattach ($obj);
622	} else {	868	} else {
623	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
624	}	870	}
		871	_recalc_want;
625	};	872	};
626		873
627	sub cf::attachable::attached {	874	sub cf::attachable::attached {
628	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
629		876
…		…
644	";	891	";
645	die if $@;	892	die if $@;
646	}	893	}
647		894
648	our $override;	895	our $override;
649	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?
650		897
651	sub override {	898	sub override {
652	$override = 1;	899	$override = 1;
653	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
654	}	901	}
655		902
656	sub do_invoke {	903	sub do_invoke {
657	my $event = shift;	904	my $event = shift;
658	my $callbacks = shift;	905	my $callbacks = shift;
659		906
660	@invoke_results = ();	907	@INVOKE_RESULTS = ();
661		908
662	local $override;	909	local $override;
663		910
664	for (@$callbacks) {	911	for (@$callbacks) {
665	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
682		929
683	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
684		931
685	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
686	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
687	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
688		935
689	=back	936	=back
690		937
691	=cut	938	=cut
692		939
693	#############################################################################	940	#############################################################################
694	# 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	}
695		953
696	sub reattach {	954	sub reattach {
697	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
698	my ($obj) = @_;	956	my ($obj) = @_;
699		957
…		…
752	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
753		1011
754	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
755	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
756	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
757	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
758	close $fh;	1016	close $fh;
759		1017
760	if (@$objs) {	1018	if (@$objs) {
761	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) {
762	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
763	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
764	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
765	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
766	close $fh;	1024	close $fh;
767	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
768	}	1026	}
769	} else {	1027	} else {
770	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
776	}	1034	}
777	} else {	1035	} else {
778	aio_unlink $filename;	1036	aio_unlink $filename;
779	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
780	}	1038	}
781
782	#d##TODO# nuke non .map-files if exist
783	if ($filename =~ s/\.map$//) {
784	aio_unlink $filename;
785	aio_unlink "$filename.pst";
786	}
787	}	1039	}
788	}	1040	}
789		1041
790	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
791	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
797		1049
798	sub object_thawer_load {	1050	sub object_thawer_load {
799	my ($filename) = @_;	1051	my ($filename) = @_;
800		1052
801	my ($data, $av);	1053	my ($data, $av);
802
803	#d#TODO remove .map if file does not exist
804	aio_stat $filename and $filename =~ s/\.map$//;
805		1054
806	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
807	or return;	1056	or return;
808		1057
809	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
811	or return;	1060	or return;
812	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
813	}	1062	}
814		1063
815	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
816	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
817	return ($data, $av);	1066	return ($data, $av);
818	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
819		1074
820	#############################################################################	1075	#############################################################################
821	# command handling &c	1076	# command handling &c
822		1077
823	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
836	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
837	}	1092	}
838		1093
839	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
840		1095
841	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.
842		1101
843	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
844	called.	1103	called.
845		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
846	=cut	1116	=cut
847		1117
848	sub register_extcmd {	1118	sub register_extcmd {
849	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
850		1120
851	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
852	}	1128	}
853		1129
854	cf::player->attach (	1130	cf::player->attach (
855	on_command => sub {	1131	on_command => sub {
856	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
865	cf::override;	1141	cf::override;
866	},	1142	},
867	on_extcmd => sub {	1143	on_extcmd => sub {
868	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
869		1145
870	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
871		1147
872	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
873	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
874	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
875	$pl->ext_reply ($msg->{msgid}, %reply);
876	}
877	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
878	} else {	1163	} else {
879	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
880	}	1165	}
881		1166
882	cf::override;	1167	cf::override;
883	},	1168	},
884	);	1169	);
885		1170
886	sub load_extension {
887	my ($path) = @_;
888
889	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
890	my $base = $1;
891	my $pkg = $1;
892	$pkg =~ s/[^[:word:]]/_/g;
893	$pkg = "ext::$pkg";
894
895	warn "... loading '$path' into '$pkg'\n";
896
897	open my $fh, "<:utf8", $path
898	or die "$path: $!";
899
900	my $source =
901	"package $pkg; use strict; use utf8;\n"
902	. "#line 1 \"$path\"\n{\n"
903	. (do { local $/; <$fh> })
904	. "\n};\n1";
905
906	unless (eval $source) {
907	my $msg = $@ ? "$path: $@\n"
908	: "extension disabled.\n";
909	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
910	warn $@;
911	warn "mandatory extension failed to load, exiting.\n";
912	exit 1;
913	}
914	die $@;
915	}
916
917	push @EXTS, $pkg;
918	}
919
920	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
921	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
922	next unless -r $ext;	1176	next unless -r $path;
923	eval {	1177
924	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
925	1	1235	}
926	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
927	}	1241	};
928	}	1242	}
929		1243
930	#############################################################################	1244	#############################################################################
931		1245
		1246	=back
		1247
932	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
933		1249
934	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
935		1251
936	=cut	1252	=cut
…		…
948	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
949		1265
950	=cut	1266	=cut
951		1267
952	sub playerdir($) {	1268	sub playerdir($) {
953	cf::localdir	1269	"$PLAYERDIR/"
954	. "/"
955	. cf::playerdir
956	. "/"
957	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
958	}	1271	}
959		1272
960	sub path($) {	1273	sub path($) {
961	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
962		1275
963	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
964	}	1277	}
965		1278
966	sub find_active($) {	1279	sub find_active($) {
967	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
968	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
981	my $login = $_[0];	1294	my $login = $_[0];
982		1295
983	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
984		1297
985	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
986	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
987	or return;	1307	or return;
988	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
989	}	1309	}
990	}	1310	}
…		…
1018	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1019		1339
1020	$self	1340	$self
1021	}	1341	}
1022		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1023	=item $pl->quit_character	1353	=item $pl->quit_character
1024		1354
1025	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1026	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1027		1357
1028	=cut	1358	=cut
1029		1359
1030	sub quit_character {	1360	sub quit_character {
1031	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1032		1364
1033	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1034	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1035		1367
1036	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1041	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1042	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1043	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1044	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1045	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1046	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1047	}	1399	}
1048		1400
1049	=item cf::player::list_logins	1401	=item cf::player::list_logins
1050		1402
1051	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1052	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1053		1405
1054	=cut	1406	=cut
1055		1407
1056	sub list_logins {	1408	sub list_logins {
1057	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1058	or return [];	1410	or return [];
1059		1411
1060	my @logins;	1412	my @logins;
1061		1413
1062	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1079	=cut	1431	=cut
1080		1432
1081	sub maps($) {	1433	sub maps($) {
1082	my ($pl) = @_;	1434	my ($pl) = @_;
1083		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
1084	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1085	or return;	1439	or return;
1086		1440
1087	my @paths;	1441	my @paths;
1088		1442
1089	for (@$files) {	1443	for (@$files) {
1090	utf8::decode $_;	1444	utf8::decode $_;
1091	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1092	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1093		1447
1094	push @paths, cf::map::normalise "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1095	}	1449	}
1096		1450
1097	\@paths	1451	\@paths
1098	}	1452	}
1099		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1100	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1101		1505
1102	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1103		1507
1104	=cut	1508	=cut
1105		1509
1106	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1107	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1108		1512
1109	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1110
1111	$self->send ("ext " . cf::to_json \%msg);
1112	}	1514	}
1113		1515
1114	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1115		1556
1116	=back	1557	=back
1117
1118		1558
1119	=head3 cf::map	1559	=head3 cf::map
1120		1560
1121	=over 4	1561	=over 4
1122		1562
…		…
1177	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1178		1618
1179	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1180	local $self->{path};	1620	local $self->{path};
1181	local $self->{load_path};	1621	local $self->{load_path};
1182	local $self->{deny_save};
1183	local $self->{deny_reset};
1184		1622
1185	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1186	}	1624	}
1187		1625
1188	sub normalise {	1626	sub normalise {
…		…
1235	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1236	return $self;	1674	return $self;
1237	}	1675	}
1238	}	1676	}
1239		1677
1240	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1241	()	1679	()
1242	}	1680	}
1243		1681
1244	sub init {	1682	sub init {
1245	my ($self) = @_;	1683	my ($self) = @_;
…		…
1260		1698
1261	# the original (read-only) location	1699	# the original (read-only) location
1262	sub load_path {	1700	sub load_path {
1263	my ($self) = @_;	1701	my ($self) = @_;
1264		1702
1265	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1266	}	1704	}
1267		1705
1268	# the temporary/swap location	1706	# the temporary/swap location
1269	sub save_path {	1707	sub save_path {
1270	my ($self) = @_;	1708	my ($self) = @_;
1271		1709
1272	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1273	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1274	}	1712	}
1275		1713
1276	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1277	sub uniq_path {	1715	sub uniq_path {
1278	my ($self) = @_;	1716	my ($self) = @_;
1279		1717
1280	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1281	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1282	}	1720	}
1283		1721
1284	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1285	# all maps in C++...	1723	# all maps in C++...
1286	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1288		1726
1289	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1290	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1291	}	1729	}
1292		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1293	sub unlink_save {	1739	sub unlink_save {
1294	my ($self) = @_;	1740	my ($self) = @_;
1295		1741
1296	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1297	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1298	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1299
1300	#d#TODO remove .map and also nuke
1301	$save =~ s/\.map// or return;#d#
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1303	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1304	}	1745	}
1305		1746
1306	sub load_header_from($) {	1747	sub load_header_from($) {
1307	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1308		1749
…		…
1358	$self->load_header_orig	1799	$self->load_header_orig
1359	or return;	1800	or return;
1360	$self->prepare_orig;	1801	$self->prepare_orig;
1361	}	1802	}
1362		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1363	1	1810	1
1364	}	1811	}
1365		1812
1366	sub find;	1813	sub find;
1367	sub find {	1814	sub find {
…		…
1379	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1380		1827
1381	$map->load_header	1828	$map->load_header
1382	or return;	1829	or return;
1383		1830
1384	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1385	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1386	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1387	$map->reset;	1834	$map->reset;
1388	undef $guard;	1835	undef $guard;
1389	return find $path;	1836	return find $path;
…		…
1400	my ($self) = @_;	1847	my ($self) = @_;
1401		1848
1402	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1403		1850
1404	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1405	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1406		1855
1407	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1408		1857
1409	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1410		1859
1411	$self->alloc;	1860	$self->alloc;
1412		1861
1413	$self->pre_load;	1862	$self->pre_load;
1414
1415	$self->_load_objects ($self->{load_path}, 1)
1416	or return;
1417
1418	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1419	if delete $self->{load_original};
1420
1421	if (my $uniq = $self->uniq_path) {
1422	utf8::encode $uniq;
1423	if (aio_open $uniq, O_RDONLY, 0) {
1424	$self->clear_unique_items;
1425	$self->_load_objects ($uniq, 0);
1426	}
1427	}
1428
1429	Coro::cede;
1430
1431	# now do the right thing for maps
1432	$self->link_multipart_objects;
1433
1434	unless ($self->{deny_activate}) {
1435	$self->decay_objects;
1436	$self->fix_auto_apply;
1437	$self->update_buttons;
1438	Coro::cede;	1863	Coro::cede;
1439	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1440	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1441	unless $self->difficulty;	1883	unless $self->difficulty;
1442	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1443	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1444	}	1900	}
1445		1901
1446	$self->post_load;	1902	$self->post_load;
1447
1448	$self->in_memory (cf::MAP_IN_MEMORY);
1449	}	1903	}
1450		1904
1451	sub customise_for {	1905	sub customise_for {
1452	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1453		1907
1454	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1455	if $self->per_player;	1909	if $self->per_player;
1456		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1457	$self	1914	$self
1458	}	1915	}
1459		1916
1460	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1461	sub load_diag {	1918	sub load_neighbours {
1462	my ($map) = @_;	1919	my ($map) = @_;
1463		1920
1464	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1465		1922
1466	for (0 .. 3) {	1923	for (0 .. 3) {
1467	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1468	or next;	1925	or next;
1469	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1470	or next;	1927	or next;
1471	$neigh->load;	1928	$neigh->load;
1472		1929
		1930	push @neigh,
1473	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1474	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1475	}	1933	}
1476		1934
1477	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1478	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1479	or next;	1938	or next;
1480	$neigh->load;	1939	$neigh->load;
1481	}	1940	}
1482	}	1941	}
1483		1942
…		…
1488	}	1947	}
1489		1948
1490	sub do_load_sync {	1949	sub do_load_sync {
1491	my ($map) = @_;	1950	my ($map) = @_;
1492		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1493	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1494	}	1956	}
1495		1957
1496	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1497	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1498		1960
1499	sub find_async {	1961	sub find_async {
1500	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1501		1963
1502	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1503		1965
1504	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1505	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1506	}	1968	}
1507		1969
1508	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1509	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1510	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1511	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1512	my $map = find $path	1975	if (my $map = find $k) {
1513	or next;
1514	$map->load;	1976	$map->load if $v;
		1977	}
1515		1978
1516	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1517	}	1980	}
1518	}	1981	}
1519	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1520	};	1983	};
1521	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1571		2034
1572	sub reset_at {	2035	sub reset_at {
1573	my ($self) = @_;	2036	my ($self) = @_;
1574		2037
1575	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1576	return 1e99 if $self->isa ("ext::map_per_player");#d#
1577	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1578		2040
1579	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1580	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1581		2043
…		…
1592	my ($self) = @_;	2054	my ($self) = @_;
1593		2055
1594	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1595		2057
1596	return if $self->players;	2058	return if $self->players;
1597	return if $self->isa ("ext::map_per_player");#d#
1598		2059
1599	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1600		2071
1601	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1602		2073
1603	$self->in_memory (cf::MAP_SWAPPED);
1604	$self->clear;	2074	$self->clear;
1605		2075
1606	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1607		2077
1608	$self->unlink_save;	2078	$self->unlink_save;
…		…
1627	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1628		2098
1629	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1630	}	2100	}
1631		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1632	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1633		2139
1634	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1635	instantiated unique items. May block.	2141	instantiated unique items. May block.
1636		2142
1637	=cut	2143	=cut
1638		2144
1639	sub unique_maps() {	2145	sub unique_maps() {
1640	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1641	or return;	2147	map {
1642
1643	my @paths;
1644
1645	for (@$files) {
1646	utf8::decode $_;	2148	utf8::decode $_;
1647	next if /\.pst$/;	2149	/\.map$/
1648	next unless /^$PATH_SEP/o;	2150	? normalise $_
1649		2151	: ()
1650	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1651	}	2153	]
1652
1653	\@paths
1654	}	2154	}
1655		2155
1656	package cf;	2156	package cf;
1657		2157
1658	=back	2158	=back
…		…
1704		2204
1705	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1706		2206
1707	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1708	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1709	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1710	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1711	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1712	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1713	}	2232	}
1714		2233
1715	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1716		2235
1717	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1764	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1765		2284
1766	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1767		2286
1768	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1769	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1770		2289
1771	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1772	}	2291	}
1773		2292
1774	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1775	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1776		2297
1777	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1778		2299
1779	unless ($map) {	2300	unless ($map) {
1780	# restore original map position	2301	# restore original map position
…		…
1794	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1795	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1796	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1797		2318
1798	$map->load;	2319	$map->load;
1799	$map->load_diag;	2320	$map->load_neighbours;
1800		2321
1801	return unless $self->contr->active;	2322	return unless $self->contr->active;
1802	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1803	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1804	}	2327	}
1805		2328
1806	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1807	on_logout => sub {
1808	my ($pl) = @_;
1809		2330
1810	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1811	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1812	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1813	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1814	};	2335	be called at the end of this process.
1815	}
1816	},
1817	on_login => sub {
1818	my ($pl) = @_;
1819		2336
1820	# try to abort aborted map switching on player login :)
1821	# should happen only on crashes
1822	if ($pl->ob->{_link_pos}) {
1823	$pl->ob->enter_link;
1824	(async {
1825	# we need this sleep as the login has a concurrent enter_exit running
1826	# and this sleep increases chances of the player not ending up in scorn
1827	$pl->ob->reply (undef,
1828	"There was an internal problem at your last logout, "
1829	. "the server will try to bring you to your intended destination in a second.",
1830	cf::NDI_RED);
1831	Coro::Timer::sleep 1;
1832	$pl->ob->leave_link;
1833	})->prio (2);
1834	}
1835	},
1836	);
1837
1838	=item $player_object->goto ($path, $x, $y)
1839
1840	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1841		2340
1842	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1843	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1844		2346
1845	$self->enter_link;	2347	$self->enter_link;
1846		2348
1847	(async {	2349	(async {
1848	my $map = eval {	2350	my $map = eval {
1849	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1850	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1851	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1852	} or	2366	}
1853	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1854		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1855	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1856	})->prio (1);	2374	})->prio (1);
1857	}	2375	}
1858		2376
1859	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1860		2378
…		…
1899		2417
1900	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1901		2419
1902	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1903	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1904	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1905		2423
1906	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1907	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1908	undef $fh;	2426	undef $fh;
1909	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
1918		2436
1919	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1920		2438
1921	if ($exit->slaying eq "/!") {	2439	if ($exit->slaying eq "/!") {
1922	#TODO: this should de-fi-ni-te-ly not be a sync-job	2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
1923	cf::sync_job { prepare_random_map $exit };	2443	cf::sync_job { prepare_random_map $exit };
1924	}	2444	}
1925		2445
1926	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1927	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
1928	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
1929		2449
1930	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1931		2455
1932	(async {	2456	(async {
1933	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1934	unless (eval {	2458	unless (eval {
1935	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
1936		2460
1937	1;	2461	1;
1938	}) {	2462	}) {
1939	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1940	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1941	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1942	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1943		2467
1944	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1945	$self->leave_link;	2469	$self->leave_link;
1946	}	2470	}
1947	})->prio (1);	2471	})->prio (1);
…		…
1960		2484
1961	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1962	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1963		2487
1964	utf8::encode $text;	2488	utf8::encode $text;
1965	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1966	}	2490	}
1967		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
		2566	push @msg, msgtype => "event_$type";
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
		2587	}
1968		2588
1969	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
1970		2590
1971	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
1972	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1973	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1974		2594
1975	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
1976	reliable at some point in the future.	2596	become reliable at some point in the future.
1977		2597
1978	=cut	2598	=cut
1979		2599
1980	sub cf::client::query {	2600	sub cf::client::query {
1981	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
1989	utf8::encode $text;	2609	utf8::encode $text;
1990	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1991		2611
1992	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
1993	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
1994	}	2616	}
1995		2617
1996	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
1997	on_reply => sub {	2624	on_reply => sub {
1998	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
1999		2626
2000	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
2001	# get handled first	2628	# get handled first
2002	my $queue = delete $ns->{query_queue}	2629	my $queue = delete $ns->{query_queue}
2003	or return; # be conservative, not sure how that can happen, but we saw a crash here	2630	or return; # be conservative, not sure how that can happen, but we saw a crash here
2004		2631
2005	(shift @$queue)->[1]->($msg);	2632	(shift @$queue)->[1]->($msg);
		2633	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
2006		2634
2007	push @{ $ns->{query_queue} }, @$queue;	2635	push @{ $ns->{query_queue} }, @$queue;
2008		2636
2009	if (@{ $ns->{query_queue} } == @$queue) {	2637	if (@{ $ns->{query_queue} } == @$queue) {
2010	if (@$queue) {	2638	if (@$queue) {
…		…
2012	} else {	2640	} else {
2013	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2014	}	2642	}
2015	}	2643	}
2016	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
2017	);	2671	);
2018		2672
2019	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
2020		2674
2021	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2062	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2063	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2064		2718
2065	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2066		2720
2067	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2068		2726
2069	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2070		2728
2071	=pod	2729	=pod
2072		2730
2073	The following fucntions and emthods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2074		2732
2075	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2076	cf::object::player player	2737	cf::object::player
2077	cf::player peaceful	2738	player
2078	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2079		2745
2080	=cut	2746	=cut
2081		2747
2082	for (	2748	for (
2083	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2084	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2085	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2086	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2087	) {	2755	) {
2088	no strict 'refs';	2756	no strict 'refs';
…		…
2159	=back	2827	=back
2160		2828
2161	=cut	2829	=cut
2162		2830
2163	#############################################################################	2831	#############################################################################
		2832	# the server's init and main functions
2164		2833
2165	=head2 EXTENSION DATABASE SUPPORT	2834	sub load_facedata($) {
		2835	my ($path) = @_;
2166		2836
2167	Crossfire maintains a very simple database for extension use. It can	2837	my $enc = JSON::XS->new->utf8->canonical;
2168	currently store anything that can be serialised using Storable, which
2169	excludes objects.
2170		2838
2171	The parameter C<$family> should best start with the name of the extension	2839	warn "loading facedata from $path\n";
2172	using it, it should be unique.
2173		2840
2174	=over 4	2841	my $facedata;
		2842	0 < aio_load $path, $facedata
		2843	or die "$path: $!";
2175		2844
2176	=item $hashref = cf::db_get $family	2845	$facedata = Coro::Storable::thaw $facedata;
2177		2846
2178	Return a hashref for use by the extension C<$family>, which can be	2847	$facedata->{version} == 2
2179	modified. After modifications, you have to call C<cf::db_dirty> or	2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
2180	C<cf::db_sync>.
2181		2849
2182	=item $value = cf::db_get $family => $key	2850	# patch in the exptable
2183		2851	$facedata->{resource}{"res/exp_table"} = {
2184	Returns a single value from the database	2852	type => FT_RSRC,
2185		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2186	=item cf::db_put $family => $hashref
2187
2188	Stores the given family hashref into the database. Updates are delayed, if
2189	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2190
2191	=item cf::db_put $family => $key => $value
2192
2193	Stores the given C<$value> in the family hash. Updates are delayed, if you
2194	want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_dirty
2197
2198	Marks the database as dirty, to be updated at a later time.
2199
2200	=item cf::db_sync
2201
2202	Immediately write the database to disk I<if it is dirty>.
2203
2204	=cut
2205
2206	our $DB;
2207
2208	{
2209	my $path = cf::localdir . "/database.pst";
2210
2211	sub db_load() {
2212	$DB = stat $path ? Storable::retrieve $path : { };
2213	}	2854	};
		2855	cf::cede_to_tick;
2214		2856
2215	my $pid;
2216
2217	sub db_save() {
2218	waitpid $pid, 0 if $pid;
2219	if (0 == ($pid = fork)) {
2220	$DB->{_meta}{version} = 1;
2221	Storable::nstore $DB, "$path~";
2222	rename "$path~", $path;
2223	cf::_exit 0 if defined $pid;
2224	}
2225	}	2857	{
		2858	my $faces = $facedata->{faceinfo};
2226		2859
2227	my $dirty;	2860	while (my ($face, $info) = each %$faces) {
		2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2862	cf::face::set_visibility $idx, $info->{visibility};
		2863	cf::face::set_magicmap $idx, $info->{magicmap};
		2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2228		2866
2229	sub db_sync() {	2867	cf::cede_to_tick;
2230	db_save if $dirty;
2231	undef $dirty;
2232	}
2233
2234	my $idle = Event->idle (
2235	reentrant => 0,
2236	min => 10,
2237	max => 20,
2238	repeat => 0,
2239	data => WF_AUTOCANCEL,
2240	cb => \&db_sync,
2241	);
2242
2243	sub db_dirty() {
2244	$dirty = 1;
2245	$idle->start;
2246	}
2247
2248	sub db_get($;$) {
2249	@_ >= 2
2250	? $DB->{$_[0]}{$_[1]}
2251	: ($DB->{$_[0]} ||= { })
2252	}
2253
2254	sub db_put($$;$) {
2255	if (@_ >= 3) {
2256	$DB->{$_[0]}{$_[1]} = $_[2];
2257	} else {
2258	$DB->{$_[0]} = $_[1];
2259	}
2260	db_dirty;
2261	}
2262
2263	cf::global->attach (
2264	prio => 10000,
2265	on_cleanup => sub {
2266	db_sync;
2267	},	2868	}
2268	);
2269	}
2270		2869
2271	#############################################################################	2870	while (my ($face, $info) = each %$faces) {
2272	# the server's main()	2871	next unless $info->{smooth};
		2872	my $idx = cf::face::find $face
		2873	or next;
		2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
		2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2877	} else {
		2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2879	}
		2880
		2881	cf::cede_to_tick;
		2882	}
		2883	}
		2884
		2885	{
		2886	my $anims = $facedata->{animinfo};
		2887
		2888	while (my ($anim, $info) = each %$anims) {
		2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2890	cf::cede_to_tick;
		2891	}
		2892
		2893	cf::anim::invalidate_all; # d'oh
		2894	}
		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
		2945	1
		2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
		2955
		2956	sub reload_regions {
		2957	load_resource_file "$MAPDIR/regions"
		2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
		2964	}
		2965
		2966	sub reload_facedata {
		2967	load_facedata "$DATADIR/facedata"
		2968	or die "unable to load facedata\n";
		2969	}
		2970
		2971	sub reload_archetypes {
		2972	load_resource_file "$DATADIR/archetypes"
		2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
		2979	}
		2980
		2981	sub reload_treasures {
		2982	load_resource_file "$DATADIR/treasures"
		2983	or die "unable to load treasurelists\n";
		2984	}
		2985
		2986	sub reload_resources {
		2987	warn "reloading resource files...\n";
		2988
		2989	reload_regions;
		2990	reload_facedata;
		2991	#reload_archetypes;#d#
		2992	reload_archetypes;
		2993	reload_treasures;
		2994
		2995	warn "finished reloading resource files\n";
		2996	}
		2997
		2998	sub init {
		2999	reload_resources;
		3000	}
2273		3001
2274	sub cfg_load {	3002	sub cfg_load {
2275	open my $fh, "<:utf8", cf::confdir . "/config"	3003	open my $fh, "<:utf8", "$CONFDIR/config"
2276	or return;	3004	or return;
2277		3005
2278	local $/;	3006	local $/;
2279	*CFG = YAML::Syck::Load <$fh>;	3007	*CFG = YAML::Syck::Load <$fh>;
2280		3008
…		…
2300	Event::one_event;	3028	Event::one_event;
2301	})->prio (Coro::PRIO_MAX);	3029	})->prio (Coro::PRIO_MAX);
2302	};	3030	};
2303		3031
2304	cfg_load;	3032	cfg_load;
2305	db_load;	3033	db_init;
2306	load_extensions;	3034	load_extensions;
2307		3035
2308	$TICK_WATCHER->start;	3036	$TICK_WATCHER->start;
2309	Event::loop;	3037	Event::loop;
2310	}	3038	}
…		…
2325	},	3053	},
2326	);	3054	);
2327	}	3055	}
2328	}	3056	}
2329		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2330	sub emergency_save() {	3096	sub emergency_save() {
2331	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2332		3098
2333	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2334		3100
…		…
2349	my $map = $cf::MAP{$path} or next;	3115	my $map = $cf::MAP{$path} or next;
2350	$map->valid or next;	3116	$map->valid or next;
2351	$map->save;	3117	$map->save;
2352	}	3118	}
2353	warn "end emergency map save\n";	3119	warn "end emergency map save\n";
		3120
		3121	warn "begin emergency database checkpoint\n";
		3122	BDB::db_env_txn_checkpoint $DB_ENV;
		3123	warn "end emergency database checkpoint\n";
2354	};	3124	};
2355		3125
2356	warn "leave emergency perl save\n";	3126	warn "leave emergency perl save\n";
2357	}	3127	}
2358		3128
		3129	sub post_cleanup {
		3130	my ($make_core) = @_;
		3131
		3132	warn Carp::longmess "post_cleanup backtrace"
		3133	if $make_core;
		3134	}
		3135
2359	sub reload() {	3136	sub do_reload_perl() {
2360	# can/must only be called in main	3137	# can/must only be called in main
2361	if ($Coro::current != $Coro::main) {	3138	if ($Coro::current != $Coro::main) {
2362	warn "can only reload from main coroutine";	3139	warn "can only reload from main coroutine";
2363	return;	3140	return;
2364	}	3141	}
2365		3142
2366	warn "reloading...";	3143	warn "reloading...";
2367		3144
2368	warn "cancelling server ticker";	3145	warn "entering sync_job";
2369	$TICK_WATCHER->cancel;
2370		3146
		3147	cf::sync_job {
		3148	cf::write_runtime; # external watchdog should not bark
2371	cf::emergency_save;	3149	cf::emergency_save;
		3150	cf::write_runtime; # external watchdog should not bark
2372		3151
2373	eval {	3152	warn "syncing database to disk";
		3153	BDB::db_env_txn_checkpoint $DB_ENV;
		3154
2374	# if anything goes wrong in here, we should simply crash as we already saved	3155	# if anything goes wrong in here, we should simply crash as we already saved
2375
2376	warn "syncing database to disk";
2377	cf::db_sync;
2378		3156
2379	warn "cancelling all WF_AUTOCANCEL watchers";	3157	warn "cancelling all WF_AUTOCANCEL watchers";
2380	for (Event::all_watchers) {	3158	for (Event::all_watchers) {
2381	$_->cancel if $_->data & WF_AUTOCANCEL;	3159	$_->cancel if $_->data & WF_AUTOCANCEL;
2382	}	3160	}
2383		3161
2384	warn "flushing outstanding aio requests";	3162	warn "flushing outstanding aio requests";
2385	for (;;) {	3163	for (;;) {
		3164	BDB::flush;
2386	IO::AIO::flush;	3165	IO::AIO::flush;
2387	Coro::cede;	3166	Coro::cede;
2388	last unless IO::AIO::nreqs;	3167	last unless IO::AIO::nreqs || BDB::nreqs;
2389	warn "iterate...";	3168	warn "iterate...";
2390	}	3169	}
		3170
		3171	++$RELOAD;
2391		3172
2392	warn "cancelling all extension coros";	3173	warn "cancelling all extension coros";
2393	$_->cancel for values %EXT_CORO;	3174	$_->cancel for values %EXT_CORO;
2394	%EXT_CORO = ();	3175	%EXT_CORO = ();
2395		3176
2396	warn "removing commands";	3177	warn "removing commands";
2397	%COMMAND = ();	3178	%COMMAND = ();
2398		3179
2399	warn "removing ext commands";	3180	warn "removing ext/exti commands";
2400	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2401		3183
2402	warn "unloading/nuking all extensions";	3184	warn "unloading/nuking all extensions";
2403	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2404	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2405		3187
…		…
2435	Symbol::delete_package "safe::$_"	3217	Symbol::delete_package "safe::$_"
2436	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2437		3219
2438	warn "unloading cf.pm \"a bit\"";	3220	warn "unloading cf.pm \"a bit\"";
2439	delete $INC{"cf.pm"};	3221	delete $INC{"cf.pm"};
		3222	delete $INC{"cf/pod.pm"};
2440		3223
2441	# don't, removes xs symbols, too,	3224	# don't, removes xs symbols, too,
2442	# and global variables created in xs	3225	# and global variables created in xs
2443	#Symbol::delete_package __PACKAGE__;	3226	#Symbol::delete_package __PACKAGE__;
2444		3227
…		…
2448	require cf;	3231	require cf;
2449	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2450		3233
2451	warn "loading config and database again";	3234	warn "loading config and database again";
2452	cf::cfg_load;	3235	cf::cfg_load;
2453	cf::db_load;
2454		3236
2455	warn "loading extensions";	3237	warn "loading extensions";
2456	cf::load_extensions;	3238	cf::load_extensions;
2457		3239
2458	warn "reattaching attachments to objects/players";	3240	warn "reattaching attachments to objects/players";
2459	_global_reattach;	3241	_global_reattach; # objects, sockets
2460	warn "reattaching attachments to maps";	3242	warn "reattaching attachments to maps";
2461	reattach $_ for values %MAP;	3243	reattach $_ for values %MAP;
		3244	warn "reattaching attachments to players";
		3245	reattach $_ for values %PLAYER;
2462		3246
2463	warn "restarting server ticker";	3247	warn "leaving sync_job";
2464		3248
2465	$TICK_WATCHER->start;	3249	1
2466	};	3250	} or do {
2467
2468	if ($@) {
2469	warn $@;	3251	warn $@;
2470	warn "error while reloading, exiting.";	3252	warn "error while reloading, exiting.";
2471	exit 1;	3253	exit 1;
2472	}	3254	};
2473		3255
2474	warn "reloaded";	3256	warn "reloaded";
2475	};	3257	};
2476		3258
2477	our $RELOAD_WATCHER; # used only during reload	3259	our $RELOAD_WATCHER; # used only during reload
2478		3260
		3261	sub reload_perl() {
		3262	# doing reload synchronously and two reloads happen back-to-back,
		3263	# coro crashes during coro_state_free->destroy here.
		3264
		3265	$RELOAD_WATCHER ||= Event->timer (
		3266	reentrant => 0,
		3267	after => 0,
		3268	data => WF_AUTOCANCEL,
		3269	cb => sub {
		3270	do_reload_perl;
		3271	undef $RELOAD_WATCHER;
		3272	},
		3273	);
		3274	}
		3275
2479	register_command "reload" => sub {	3276	register_command "reload" => sub {
2480	my ($who, $arg) = @_;	3277	my ($who, $arg) = @_;
2481		3278
2482	if ($who->flag (FLAG_WIZ)) {	3279	if ($who->flag (FLAG_WIZ)) {
2483	$who->message ("reloading server.");	3280	$who->message ("reloading server.");
2484		3281	async { reload_perl };
2485	# doing reload synchronously and two reloads happen back-to-back,
2486	# coro crashes during coro_state_free->destroy here.
2487
2488	$RELOAD_WATCHER ||= Event->timer (
2489	reentrant => 0,
2490	after => 0,
2491	data => WF_AUTOCANCEL,
2492	cb => sub {
2493	reload;
2494	undef $RELOAD_WATCHER;
2495	},
2496	);
2497	}	3282	}
2498	};	3283	};
2499		3284
2500	unshift @INC, $LIBDIR;	3285	unshift @INC, $LIBDIR;
2501		3286
2502	my $bug_warning = 0;	3287	my $bug_warning = 0;
2503		3288
		3289	our @WAIT_FOR_TICK;
		3290	our @WAIT_FOR_TICK_BEGIN;
		3291
		3292	sub wait_for_tick {
		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, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	sub wait_for_tick_begin {
		3302	return unless $TICK_WATCHER->is_active;
		3303	return if $Coro::current == $Coro::main;
		3304
		3305	my $signal = new Coro::Signal;
		3306	push @WAIT_FOR_TICK_BEGIN, $signal;
		3307	$signal->wait;
		3308	}
		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2504	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2505	reentrant => 0,	3313	reentrant => 0,
2506	parked => 1,	3314	parked => 1,
2507	prio => 0,	3315	prio => 0,
2508	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
…		…
2512	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2513	unless ++$bug_warning > 10;	3321	unless ++$bug_warning > 10;
2514	return;	3322	return;
2515	}	3323	}
2516		3324
2517	$NOW = Event::time;	3325	$NOW = $tick_start = Event::time;
2518		3326
2519	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
		3351
2520	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2521	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2522		3354
2523	$WAIT_FOR_TICK->broadcast;	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2524	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
2525		3357	Coro::async_pool {
2526	Event::sweep;	3358	write_runtime
2527	Coro::cede_notself;	3359	or warn "ERROR: unable to write runtime file: $!";
		3360	};
2528		3361	}
		3362
2529	# my $AFTER = Event::time;	3363	# my $AFTER = Event::time;
2530	# warn $AFTER - $NOW;#d#	3364	# warn $AFTER - $NOW;#d#
2531		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
		3374
2532	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2533	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2534		3377
2535	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2536	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
		3380
		3381	$LOAD = ($NOW - $tick_start) / $TICK;
		3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3383
		3384	_post_tick;
		3385
		3386
2537	},	3387	},
2538	);	3388	);
2539		3389
		3390	{
		3391	BDB::max_poll_time $TICK * 0.1;
		3392	$BDB_POLL_WATCHER = Event->io (
		3393	reentrant => 0,
		3394	fd => BDB::poll_fileno,
		3395	poll => 'r',
		3396	prio => 0,
		3397	data => WF_AUTOCANCEL,
		3398	cb => \&BDB::poll_cb,
		3399	);
		3400	BDB::min_parallel 8;
		3401
		3402	BDB::set_sync_prepare {
		3403	my $status;
		3404	my $current = $Coro::current;
		3405	(
		3406	sub {
		3407	$status = $!;
		3408	$current->ready; undef $current;
		3409	},
		3410	sub {
		3411	Coro::schedule while defined $current;
		3412	$! = $status;
		3413	},
		3414	)
		3415	};
		3416
		3417	unless ($DB_ENV) {
		3418	$DB_ENV = BDB::db_env_create;
		3419
		3420	cf::sync_job {
		3421	eval {
		3422	BDB::db_env_open
		3423	$DB_ENV,
		3424	$BDBDIR,
		3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3427	0666;
		3428
		3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3430
		3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3432	$DB_ENV->set_lk_detect;
		3433	};
		3434
		3435	cf::cleanup "db_env_open(db): $@" if $@;
		3436	};
		3437	}
		3438	}
		3439
		3440	{
		3441	IO::AIO::min_parallel 8;
		3442
		3443	undef $Coro::AIO::WATCHER;
2540	IO::AIO::max_poll_time $TICK * 0.1;	3444	IO::AIO::max_poll_time $TICK * 0.1;
2541
2542	undef $Coro::AIO::WATCHER;
2543	$AIO_POLL_WATCHER = Event->io (	3445	$AIO_POLL_WATCHER = Event->io (
2544	reentrant => 0,	3446	reentrant => 0,
		3447	data => WF_AUTOCANCEL,
2545	fd => IO::AIO::poll_fileno,	3448	fd => IO::AIO::poll_fileno,
2546	poll => 'r',	3449	poll => 'r',
2547	prio => 6,	3450	prio => 6,
2548	data => WF_AUTOCANCEL,
2549	cb => \&IO::AIO::poll_cb,	3451	cb => \&IO::AIO::poll_cb,
2550	);	3452	);
		3453	}
2551		3454
2552	$WRITE_RUNTIME_WATCHER = Event->timer (	3455	my $_log_backtrace;
2553	reentrant => 0,	3456
2554	data => WF_AUTOCANCEL,	3457	sub _log_backtrace {
2555	after => 1,	3458	my ($msg, @addr) = @_;
2556	interval => 10,	3459
2557	prio => 6, # keep it lowest so it acts like a watchdog	3460	$msg =~ s/\n//;
2558	cb => Coro::unblock_sub {	3461
2559	write_runtime	3462	# limit the # of concurrent backtraces
2560	or warn "ERROR: unable to write runtime file: $!";	3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
2561	},	3490	}
2562	);	3491	}
		3492
		3493	# load additional modules
		3494	use cf::pod;
2563		3495
2564	END { cf::emergency_save }	3496	END { cf::emergency_save }
2565		3497
2566	1	3498	1
2567		3499

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