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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.202 by root, Mon Jan 29 20:16:28 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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 ();
		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	cf::cede_to_tick;
		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	}
…		…
1002		1322
1003	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1004	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1005		1325
1006	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1007	Coro::cede;	1327	cf::cede_to_tick;
1008	}	1328	}
1009		1329
1010	sub new($) {	1330	sub new($) {
1011	my ($login) = @_;	1331	my ($login) = @_;
1012		1332
…		…
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) {
…		…
1097	}	1449	}
1098		1450
1099	\@paths	1451	\@paths
1100	}	1452	}
1101		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
1102	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1103		1505
1104	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1105		1507
1106	=cut	1508	=cut
1107		1509
1108	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1109	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1110		1512
1111	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1112
1113	$self->send ("ext " . cf::to_json \%msg);
1114	}	1514	}
1115		1515
1116	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	$match
		1555	}
1117		1556
1118	=back	1557	=back
1119
1120		1558
1121	=head3 cf::map	1559	=head3 cf::map
1122		1560
1123	=over 4	1561	=over 4
1124		1562
…		…
1179	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1180		1618
1181	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1182	local $self->{path};	1620	local $self->{path};
1183	local $self->{load_path};	1621	local $self->{load_path};
1184	local $self->{deny_save};
1185	local $self->{deny_reset};
1186		1622
1187	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1188	}	1624	}
1189		1625
1190	sub normalise {	1626	sub normalise {
…		…
1237	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1238	return $self;	1674	return $self;
1239	}	1675	}
1240	}	1676	}
1241		1677
1242	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1243	()	1679	()
1244	}	1680	}
1245		1681
1246	sub init {	1682	sub init {
1247	my ($self) = @_;	1683	my ($self) = @_;
…		…
1262		1698
1263	# the original (read-only) location	1699	# the original (read-only) location
1264	sub load_path {	1700	sub load_path {
1265	my ($self) = @_;	1701	my ($self) = @_;
1266		1702
1267	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1268	}	1704	}
1269		1705
1270	# the temporary/swap location	1706	# the temporary/swap location
1271	sub save_path {	1707	sub save_path {
1272	my ($self) = @_;	1708	my ($self) = @_;
1273		1709
1274	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1275	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1276	}	1712	}
1277		1713
1278	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1279	sub uniq_path {	1715	sub uniq_path {
1280	my ($self) = @_;	1716	my ($self) = @_;
1281		1717
1282	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1283	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1284	}	1720	}
1285		1721
1286	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1287	# all maps in C++...	1723	# all maps in C++...
1288	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1290		1726
1291	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1292	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1293	}	1729	}
1294		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1295	sub unlink_save {	1739	sub unlink_save {
1296	my ($self) = @_;	1740	my ($self) = @_;
1297		1741
1298	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1299	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1300	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1301
1302	#d#TODO remove .map and also nuke
1303	$save =~ s/\.map// or return;#d#
1304	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1305	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1306	}	1745	}
1307		1746
1308	sub load_header_from($) {	1747	sub load_header_from($) {
1309	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1310		1749
…		…
1360	$self->load_header_orig	1799	$self->load_header_orig
1361	or return;	1800	or return;
1362	$self->prepare_orig;	1801	$self->prepare_orig;
1363	}	1802	}
1364		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
1365	1	1810	1
1366	}	1811	}
1367		1812
1368	sub find;	1813	sub find;
1369	sub find {	1814	sub find {
…		…
1381	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1382		1827
1383	$map->load_header	1828	$map->load_header
1384	or return;	1829	or return;
1385		1830
1386	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1387	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1388	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1389	$map->reset;	1834	$map->reset;
1390	undef $guard;	1835	undef $guard;
1391	return find $path;	1836	return find $path;
…		…
1402	my ($self) = @_;	1847	my ($self) = @_;
1403		1848
1404	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1405		1850
1406	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1407	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1408		1856
1409	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1410		1858
1411	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1412		1860
1413	$self->alloc;	1861	$self->alloc;
1414		1862
1415	$self->pre_load;	1863	$self->pre_load;
		1864	cf::cede_to_tick;
1416		1865
1417	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1418	or return;	1867	or return;
1419		1868
1420	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1421	if delete $self->{load_original};	1870	if delete $self->{load_original};
1422		1871
1423	if (my $uniq = $self->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1424	utf8::encode $uniq;	1873	utf8::encode $uniq;
1425	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1426	$self->clear_unique_items;	1875	$self->clear_unique_items;
1427	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1428	}	1877	}
1429	}	1878	}
1430		1879
1431	Coro::cede;	1880	cf::cede_to_tick;
1432
1433	# now do the right thing for maps	1881	# now do the right thing for maps
1434	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1435
1436	unless ($self->{deny_activate}) {
1437	$self->decay_objects;
1438	$self->fix_auto_apply;
1439	$self->update_buttons;
1440	Coro::cede;
1441	$self->set_darkness_map;
1442	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1443	unless $self->difficulty;	1884	unless $self->difficulty;
1444	Coro::cede;	1885	cf::cede_to_tick;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	cf::cede_to_tick;
		1892	$self->set_darkness_map;
		1893	cf::cede_to_tick;
1445	$self->activate;	1894	$self->activate;
		1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1446	}	1901	}
1447		1902
1448	$self->post_load;	1903	$self->post_load;
1449
1450	$self->in_memory (cf::MAP_IN_MEMORY);
1451	}	1904	}
1452		1905
1453	sub customise_for {	1906	sub customise_for {
1454	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1455		1908
1456	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1457	if $self->per_player;	1910	if $self->per_player;
1458		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1459	$self	1915	$self
1460	}	1916	}
1461		1917
1462	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1463	sub load_diag {	1919	sub load_neighbours {
1464	my ($map) = @_;	1920	my ($map) = @_;
1465		1921
1466	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1467		1923
1468	for (0 .. 3) {	1924	for (0 .. 3) {
1469	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1470	or next;	1926	or next;
1471	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1472	or next;	1928	or next;
1473	$neigh->load;	1929	$neigh->load;
1474		1930
		1931	push @neigh,
1475	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1476	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1477	}	1934	}
1478		1935
1479	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1480	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1481	or next;	1939	or next;
1482	$neigh->load;	1940	$neigh->load;
1483	}	1941	}
1484	}	1942	}
1485		1943
…		…
1490	}	1948	}
1491		1949
1492	sub do_load_sync {	1950	sub do_load_sync {
1493	my ($map) = @_;	1951	my ($map) = @_;
1494		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1495	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1496	}	1957	}
1497		1958
1498	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1499	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1500		1961
1501	sub find_async {	1962	sub find_async {
1502	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1503		1964
1504	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1505		1966
1506	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1507	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1508	}	1969	}
1509		1970
1510	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1511	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1512	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1513	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1514	my $map = find $path	1976	if (my $map = find $k) {
1515	or next;
1516	$map->load;	1977	$map->load if $v;
		1978	}
1517		1979
1518	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1519	}	1981	}
1520	}	1982	}
1521	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1522	};	1984	};
1523	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1526	}	1988	}
1527		1989
1528	sub save {	1990	sub save {
1529	my ($self) = @_;	1991	my ($self) = @_;
1530		1992
1531	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1532		1994
1533	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1534		1996
1535	return unless $self->dirty;	1997	return unless $self->dirty;
1536		1998
…		…
1559	my ($self) = @_;	2021	my ($self) = @_;
1560		2022
1561	# save first because save cedes	2023	# save first because save cedes
1562	$self->save;	2024	$self->save;
1563		2025
1564	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1565		2027
1566	return if $self->players;	2028	return if $self->players;
1567	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1568	return if $self->{deny_save};	2030	return if $self->{deny_save};
1569		2031
…		…
1573		2035
1574	sub reset_at {	2036	sub reset_at {
1575	my ($self) = @_;	2037	my ($self) = @_;
1576		2038
1577	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1578	return 1e99 if $self->isa ("ext::map_per_player");#d#
1579	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1580		2041
1581	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1582	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1583		2044
…		…
1594	my ($self) = @_;	2055	my ($self) = @_;
1595		2056
1596	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1597		2058
1598	return if $self->players;	2059	return if $self->players;
1599	return if $self->isa ("ext::map_per_player");#d#
1600		2060
1601	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1602		2072
1603	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
1604		2074
1605	$self->in_memory (cf::MAP_SWAPPED);
1606	$self->clear;	2075	$self->clear;
1607		2076
1608	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1609		2078
1610	$self->unlink_save;	2079	$self->unlink_save;
…		…
1629	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1630		2099
1631	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1632	}	2101	}
1633		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1634	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1635		2140
1636	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1637	instantiated unique items. May block.	2142	instantiated unique items. May block.
1638		2143
1639	=cut	2144	=cut
1640		2145
1641	sub unique_maps() {	2146	sub unique_maps() {
1642	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1643	or return;	2148	map {
1644
1645	my @paths;
1646
1647	for (@$files) {
1648	utf8::decode $_;	2149	utf8::decode $_;
1649	next if /\.pst$/;	2150	/\.map$/
1650	next unless /^$PATH_SEP/o;	2151	? normalise $_
1651		2152	: ()
1652	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1653	}	2154	]
1654
1655	\@paths
1656	}	2155	}
1657		2156
1658	package cf;	2157	package cf;
1659		2158
1660	=back	2159	=back
…		…
1706		2205
1707	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1708		2207
1709	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1710	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1711	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1712	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1713	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1714	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1715	}	2233	}
1716		2234
1717	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1718		2236
1719	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1766	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1767		2285
1768	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1769		2287
1770	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1771	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1772		2290
1773	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1774	}	2292	}
1775		2293
1776	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1777	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1778		2298
1779	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1780		2300
1781	unless ($map) {	2301	unless ($map) {
1782	# restore original map position	2302	# restore original map position
…		…
1796	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1797	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1798	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1799		2319
1800	$map->load;	2320	$map->load;
1801	$map->load_diag;	2321	$map->load_neighbours;
1802		2322
1803	return unless $self->contr->active;	2323	return unless $self->contr->active;
1804	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1805	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1806	}	2328	}
1807		2329
1808	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1809	on_logout => sub {
1810	my ($pl) = @_;
1811		2331
1812	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1813	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1814	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1815	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1816	};	2336	be called at the end of this process.
1817	}
1818	},
1819	on_login => sub {
1820	my ($pl) = @_;
1821		2337
1822	# try to abort aborted map switching on player login :)
1823	# should happen only on crashes
1824	if ($pl->ob->{_link_pos}) {
1825	$pl->ob->enter_link;
1826	(async {
1827	# we need this sleep as the login has a concurrent enter_exit running
1828	# and this sleep increases chances of the player not ending up in scorn
1829	$pl->ob->reply (undef,
1830	"There was an internal problem at your last logout, "
1831	. "the server will try to bring you to your intended destination in a second.",
1832	cf::NDI_RED);
1833	Coro::Timer::sleep 1;
1834	$pl->ob->leave_link;
1835	})->prio (2);
1836	}
1837	},
1838	);
1839
1840	=item $player_object->goto ($path, $x, $y)
1841
1842	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1843		2341
1844	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1845	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1846		2347
1847	$self->enter_link;	2348	$self->enter_link;
1848		2349
1849	(async {	2350	(async {
1850	my $map = eval {	2351	my $map = eval {
1851	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1852	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1853	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1854	} or	2367	}
1855	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1856		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1857	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1858	})->prio (1);	2375	})->prio (1);
1859	}	2376	}
1860		2377
1861	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1862		2379
…		…
1901		2418
1902	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1903		2420
1904	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1905	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1906	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1907		2424
1908	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1909	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1910	undef $fh;	2427	undef $fh;
1911	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
1920		2437
1921	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1922		2439
1923	if ($exit->slaying eq "/!") {	2440	if ($exit->slaying eq "/!") {
1924	#TODO: this should de-fi-ni-te-ly not be a sync-job	2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
1925	cf::sync_job { prepare_random_map $exit };	2444	cf::sync_job { prepare_random_map $exit };
1926	}	2445	}
1927		2446
1928	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1929	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
1930	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
1931		2450
1932	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1933		2456
1934	(async {	2457	(async {
1935	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1936	unless (eval {	2459	unless (eval {
1937	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
1938		2461
1939	1;	2462	1;
1940	}) {	2463	}) {
1941	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1942	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1943	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1944	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1945		2468
1946	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1947	$self->leave_link;	2470	$self->leave_link;
1948	}	2471	}
1949	})->prio (1);	2472	})->prio (1);
…		…
1962		2485
1963	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1964	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1965		2488
1966	utf8::encode $text;	2489	utf8::encode $text;
1967	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1968	}	2491	}
1969		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1970		2589
1971	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1972		2591
1973	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1974	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1975	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1976		2595
1977	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1978	reliable at some point in the future.	2597	become reliable at some point in the future.
1979		2598
1980	=cut	2599	=cut
1981		2600
1982	sub cf::client::query {	2601	sub cf::client::query {
1983	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1991	utf8::encode $text;	2610	utf8::encode $text;
1992	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1993		2612
1994	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1995	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1996	}	2617	}
1997		2618
1998	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1999	on_reply => sub {	2625	on_reply => sub {
2000	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2001		2627
2002	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2003	# get handled first	2629	# get handled first
…		…
2015	} else {	2641	} else {
2016	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2017	}	2643	}
2018	}	2644	}
2019	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2020	);	2672	);
2021		2673
2022	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2023		2675
2024	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2065	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2066	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2067		2719
2068	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2069		2721
2070	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2071		2727
2072	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2073		2729
2074	=pod	2730	=pod
2075		2731
2076	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2077		2733
2078	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2079	cf::object::player player	2738	cf::object::player
2080	cf::player peaceful	2739	player
2081	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2082		2746
2083	=cut	2747	=cut
2084		2748
2085	for (	2749	for (
2086	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2087	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2088	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2089	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2090	) {	2756	) {
2091	no strict 'refs';	2757	no strict 'refs';
…		…
2162	=back	2828	=back
2163		2829
2164	=cut	2830	=cut
2165		2831
2166	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
2167		2834
2168	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
2169		2837
2170	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2171	currently store anything that can be serialised using Storable, which
2172	excludes objects.
2173		2839
2174	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
2175	using it, it should be unique.
2176		2841
2177	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
2178		2845
2179	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
2180		2847
2181	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
2182	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2183	C<cf::db_sync>.
2184		2850
2185	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
2186		2852	$facedata->{resource}{"res/exp_table"} = {
2187	Returns a single value from the database	2853	type => FT_RSRC,
2188		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2189	=item cf::db_put $family => $hashref
2190
2191	Stores the given family hashref into the database. Updates are delayed, if
2192	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2193
2194	=item cf::db_put $family => $key => $value
2195
2196	Stores the given C<$value> in the family hash. Updates are delayed, if you
2197	want the data to be synced to disk immediately, use C<cf::db_sync>.
2198
2199	=item cf::db_dirty
2200
2201	Marks the database as dirty, to be updated at a later time.
2202
2203	=item cf::db_sync
2204
2205	Immediately write the database to disk I<if it is dirty>.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	{
2212	my $path = cf::localdir . "/database.pst";
2213
2214	sub db_load() {
2215	$DB = stat $path ? Storable::retrieve $path : { };
2216	}	2855	};
		2856	cf::cede_to_tick;
2217		2857
2218	my $pid;
2219
2220	sub db_save() {
2221	waitpid $pid, 0 if $pid;
2222	if (0 == ($pid = fork)) {
2223	$DB->{_meta}{version} = 1;
2224	Storable::nstore $DB, "$path~";
2225	rename "$path~", $path;
2226	cf::_exit 0 if defined $pid;
2227	}
2228	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
2229		2860
2230	my $dirty;	2861	while (my ($face, $info) = each %$faces) {
		2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
		2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2231		2867
2232	sub db_sync() {	2868	cf::cede_to_tick;
2233	db_save if $dirty;
2234	undef $dirty;
2235	}
2236
2237	my $idle = Event->idle (
2238	reentrant => 0,
2239	min => 10,
2240	max => 20,
2241	repeat => 0,
2242	data => WF_AUTOCANCEL,
2243	cb => \&db_sync,
2244	);
2245
2246	sub db_dirty() {
2247	$dirty = 1;
2248	$idle->start;
2249	}
2250
2251	sub db_get($;$) {
2252	@_ >= 2
2253	? $DB->{$_[0]}{$_[1]}
2254	: ($DB->{$_[0]} ||= { })
2255	}
2256
2257	sub db_put($$;$) {
2258	if (@_ >= 3) {
2259	$DB->{$_[0]}{$_[1]} = $_[2];
2260	} else {
2261	$DB->{$_[0]} = $_[1];
2262	}
2263	db_dirty;
2264	}
2265
2266	cf::global->attach (
2267	prio => 10000,
2268	on_cleanup => sub {
2269	db_sync;
2270	},	2869	}
2271	);
2272	}
2273		2870
2274	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
2275	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
2276		2881
2277	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2278	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2279	or return;	3005	or return;
2280		3006
2281	local $/;	3007	local $/;
2282	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2283		3009
…		…
2302	(async {	3028	(async {
2303	Event::one_event;	3029	Event::one_event;
2304	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2305	};	3031	};
2306		3032
2307	cfg_load;	3033	reload_config;
2308	db_load;	3034	db_init;
2309	load_extensions;	3035	load_extensions;
2310		3036
2311	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2312	Event::loop;	3038	Event::loop;
2313	}	3039	}
…		…
2328	},	3054	},
2329	);	3055	);
2330	}	3056	}
2331	}	3057	}
2332		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2333	sub emergency_save() {	3097	sub emergency_save() {
2334	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2335		3099
2336	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2337		3101
…		…
2352	my $map = $cf::MAP{$path} or next;	3116	my $map = $cf::MAP{$path} or next;
2353	$map->valid or next;	3117	$map->valid or next;
2354	$map->save;	3118	$map->save;
2355	}	3119	}
2356	warn "end emergency map save\n";	3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
2357	};	3125	};
2358		3126
2359	warn "leave emergency perl save\n";	3127	warn "leave emergency perl save\n";
2360	}	3128	}
2361		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2362	sub reload() {	3137	sub do_reload_perl() {
2363	# can/must only be called in main	3138	# can/must only be called in main
2364	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2365	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2366	return;	3141	return;
2367	}	3142	}
2368		3143
2369	warn "reloading...";	3144	warn "reloading...";
2370		3145
2371	warn "cancelling server ticker";	3146	warn "entering sync_job";
2372	$TICK_WATCHER->cancel;
2373		3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2374	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2375		3152
2376	eval {	3153	warn "syncing database to disk";
		3154	BDB::db_env_txn_checkpoint $DB_ENV;
		3155
2377	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2378
2379	warn "syncing database to disk";
2380	cf::db_sync;
2381		3157
2382	warn "cancelling all WF_AUTOCANCEL watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2383	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2384	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2385	}	3161	}
2386		3162
2387	warn "flushing outstanding aio requests";	3163	warn "flushing outstanding aio requests";
2388	for (;;) {	3164	for (;;) {
		3165	BDB::flush;
2389	IO::AIO::flush;	3166	IO::AIO::flush;
2390	Coro::cede;	3167	Coro::cede;
2391	last unless IO::AIO::nreqs;	3168	last unless IO::AIO::nreqs || BDB::nreqs;
2392	warn "iterate...";	3169	warn "iterate...";
2393	}	3170	}
		3171
		3172	++$RELOAD;
2394		3173
2395	warn "cancelling all extension coros";	3174	warn "cancelling all extension coros";
2396	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2397	%EXT_CORO = ();	3176	%EXT_CORO = ();
2398		3177
2399	warn "removing commands";	3178	warn "removing commands";
2400	%COMMAND = ();	3179	%COMMAND = ();
2401		3180
2402	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2403	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2404		3184
2405	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2406	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2407	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2408		3188
…		…
2438	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2439	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2440		3220
2441	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2442	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2443		3224
2444	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2445	# and global variables created in xs	3226	# and global variables created in xs
2446	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2447		3228
…		…
2450	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2451	require cf;	3232	require cf;
2452	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2453		3234
2454	warn "loading config and database again";	3235	warn "loading config and database again";
2455	cf::cfg_load;	3236	cf::reload_config;
2456	cf::db_load;
2457		3237
2458	warn "loading extensions";	3238	warn "loading extensions";
2459	cf::load_extensions;	3239	cf::load_extensions;
2460		3240
2461	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2462	_global_reattach;	3242	_global_reattach; # objects, sockets
2463	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2464	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
		3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2465		3247
2466	warn "restarting server ticker";	3248	warn "leaving sync_job";
2467		3249
2468	$TICK_WATCHER->start;	3250	1
2469	};	3251	} or do {
2470
2471	if ($@) {
2472	warn $@;	3252	warn $@;
2473	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2474	exit 1;	3254	exit 1;
2475	}	3255	};
2476		3256
2477	warn "reloaded";	3257	warn "reloaded";
2478	};	3258	};
2479		3259
2480	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2481		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2482	register_command "reload" => sub {	3277	register_command "reload" => sub {
2483	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2484		3279
2485	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2486	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2487		3282	async { reload_perl };
2488	# doing reload synchronously and two reloads happen back-to-back,
2489	# coro crashes during coro_state_free->destroy here.
2490
2491	$RELOAD_WATCHER ||= Event->timer (
2492	reentrant => 0,
2493	after => 0,
2494	data => WF_AUTOCANCEL,
2495	cb => sub {
2496	reload;
2497	undef $RELOAD_WATCHER;
2498	},
2499	);
2500	}	3283	}
2501	};	3284	};
2502		3285
2503	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2504		3287
2505	my $bug_warning = 0;	3288	my $bug_warning = 0;
2506		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2507	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2508	reentrant => 0,	3314	reentrant => 0,
2509	parked => 1,	3315	parked => 1,
2510	prio => 0,	3316	prio => 0,
2511	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2515	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2516	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2517	return;	3323	return;
2518	}	3324	}
2519		3325
2520	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2521		3327
2522	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2523	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2524	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2525		3355
2526	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2527	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
2528		3358	Coro::async_pool {
2529	Event::sweep;	3359	write_runtime
2530	Coro::cede_notself;	3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
2531		3362	}
		3363
2532	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2533	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2534		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2535	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2536	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2537		3378
2538	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2539	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2540	},	3388	},
2541	);	3389	);
2542		3390
		3391	{
		3392	BDB::max_poll_time $TICK * 0.1;
		3393	$BDB_POLL_WATCHER = Event->io (
		3394	reentrant => 0,
		3395	fd => BDB::poll_fileno,
		3396	poll => 'r',
		3397	prio => 0,
		3398	data => WF_AUTOCANCEL,
		3399	cb => \&BDB::poll_cb,
		3400	);
		3401	BDB::min_parallel 8;
		3402
		3403	BDB::set_sync_prepare {
		3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
		3437	};
		3438	}
		3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
2543	IO::AIO::max_poll_time $TICK * 0.1;	3445	IO::AIO::max_poll_time $TICK * 0.1;
2544
2545	undef $Coro::AIO::WATCHER;
2546	$AIO_POLL_WATCHER = Event->io (	3446	$AIO_POLL_WATCHER = Event->io (
2547	reentrant => 0,	3447	reentrant => 0,
		3448	data => WF_AUTOCANCEL,
2548	fd => IO::AIO::poll_fileno,	3449	fd => IO::AIO::poll_fileno,
2549	poll => 'r',	3450	poll => 'r',
2550	prio => 6,	3451	prio => 6,
2551	data => WF_AUTOCANCEL,
2552	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2553	);	3453	);
		3454	}
2554		3455
2555	$WRITE_RUNTIME_WATCHER = Event->timer (	3456	my $_log_backtrace;
2556	reentrant => 0,	3457
2557	data => WF_AUTOCANCEL,	3458	sub _log_backtrace {
2558	after => 1,	3459	my ($msg, @addr) = @_;
2559	interval => 10,	3460
2560	prio => 6, # keep it lowest so it acts like a watchdog	3461	$msg =~ s/\n//;
2561	cb => Coro::unblock_sub {	3462
2562	write_runtime	3463	# limit the # of concurrent backtraces
2563	or warn "ERROR: unable to write runtime file: $!";	3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
2564	},	3491	}
2565	);	3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2566		3496
2567	END { cf::emergency_save }	3497	END { cf::emergency_save }
2568		3498
2569	1	3499	1
2570		3500

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