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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.341 by elmex, Sat Aug 25 16:51:38 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
42		60
		61	our $RELOAD; # number of reloads so far
43	our @EVENT;	62	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		63
46	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(!)
47	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	80	our $NEXT_TICK;
49	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;
50		86
51	our %CFG;	87	our %CFG;
52		88
53	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	90	our $RUNTIME;
55		91
56	our %PLAYER; # all users	92	our %PLAYER; # all users
57	our %MAP; # all maps	93	our %MAP; # all maps
58	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		95
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		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 $tick_start; # for load detecting purposes
63		102
64	binmode STDOUT;	103	binmode STDOUT;
65	binmode STDERR;	104	binmode STDERR;
66		105
67	# read virtual server time, if available	106	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
72	}	111	}
73		112
74	mkdir cf::localdir;	113	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		115
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
83		119
84	#############################################################################	120	#############################################################################
85		121
86	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
87		123
…		…
94	=item $cf::RUNTIME	130	=item $cf::RUNTIME
95		131
96	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
97	every server tick.	133	every server tick.
98		134
99	=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
100		138
101	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
102	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.
103		143
104	=item $cf::NOW	144	=item $cf::NOW
105		145
106	The time of the last (current) server tick.	146	The time of the last (current) server tick.
107		147
108	=item $cf::TICK	148	=item $cf::TICK
109		149
110	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.
111		161
112	=item %cf::CFG	162	=item %cf::CFG
113		163
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
115	from wherever your confdir points to.	165	from wherever your confdir points to.
116		166
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		168
119	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
120	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
121	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.
122	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.
123		178
124	=back	179	=back
125		180
126	=cut	181	=cut
127		182
128	BEGIN {	183	BEGIN {
129	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	185	my $msg = join "", @_;
131	utf8::encode $msg;
132		186
133	$msg .= "\n"	187	$msg .= "\n"
134	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
135		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
136	LOG llevError, $msg;	193	LOG llevError, $msg;
137	};	194	};
138	}	195	}
139		196
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@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';
145	@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)
146		204
147	# 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
148	# within the Safe compartment.	206	# within the Safe compartment.
149	for my $pkg (qw(	207	for my $pkg (qw(
150	cf::global cf::attachable	208	cf::global cf::attachable
…		…
158	}	216	}
159		217
160	$Event::DIED = sub {	218	$Event::DIED = sub {
161	warn "error in event callback: @_";	219	warn "error in event callback: @_";
162	};	220	};
		221
		222	#############################################################################
163		223
164	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
165		225
166	=over 4	226	=over 4
167		227
…		…
186	$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;
187	$d	247	$d
188	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
189	}	249	}
190		250
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
194		252
195	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
196		254
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
205		256
206	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
207		258
208	=cut	259	=cut
209		260
210	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
212	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
213	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
214		265
215	=item cf::lock_wait $string	266	=item cf::lock_wait $string
216		267
217	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
218		269
…		…
224	returned.	275	returned.
225		276
226	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
227	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
228		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
229	=cut	284	=cut
230		285
231	our %LOCK;	286	our %LOCK;
232		287
233	sub lock_wait($) {	288	sub lock_wait($) {
…		…
252	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
254	}	309	}
255	}	310	}
256		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
257	sub freeze_mainloop {	318	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
259		320
260	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
261	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
262	$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;
263	}	382	}
264		383
265	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
266		385
267	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		391
273	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
274		393
275	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
276		395
277	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)
278	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
279	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.
280		400
281	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
282	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
283	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
284	fast or be very important.	404	fast or be very important.
…		…
287		407
288	sub sync_job(&) {	408	sub sync_job(&) {
289	my ($job) = @_;	409	my ($job) = @_;
290		410
291	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
292	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
294		416
295	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
307		429
308	while ($busy) {	430	while ($busy) {
309	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
310	}	432	}
311		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
312	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
313	} else {	442	} else {
314	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
315		444
316	$job->()	445	$job->()
…		…
335	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
336		465
337	$coro	466	$coro
338	}	467	}
339		468
340	sub write_runtime {	469	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		470
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
344	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.
345		475
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		477
350	aio_fsync $fh	478	sub fork_call(&@) {
351	and return;	479	my ($cb, @args) = @_;
352		480
353	close $fh	481	# we seemingly have to make a local copy of the whole thing,
354	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
355		484
356	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
357	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
358		489
		490	wantarray ? @res : $res[-1]
		491	}
		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	};
359	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	618	}
361		619
362	=back	620	=back
363		621
364	=cut	622	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		623
493	#############################################################################	624	#############################################################################
494		625
495	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
496		627
…		…
498	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")
499	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
500		631
501	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>
502	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
503	crossfire+).	634	Crossfire TRT).
504		635
505	=over 4	636	=over 4
506		637
507	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
508		639
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	754	our @CB_MAP = ();
624		755
625	my %attachment;	756	my %attachment;
626		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
627	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
629		766
630	use sort 'stable';	767	use sort 'stable';
631		768
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
666		803
667	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		808
672	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	810	my $pkg = shift @arg;
674		811
675	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
705	}	842	}
706		843
707	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
708	} else {	845	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	847	}
711		848
712	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
713	}	850	}
714		851
…		…
716	if (ref $_[0]) {	853	if (ref $_[0]) {
717	_object_attach @_;	854	_object_attach @_;
718	} else {	855	} else {
719	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
720	}	857	}
		858	_recalc_want;
721	};	859	};
722		860
723	# all those should be optimised	861	# all those should be optimised
724	sub cf::attachable::detach {	862	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
729	reattach ($obj);	867	reattach ($obj);
730	} else {	868	} else {
731	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
732	}	870	}
		871	_recalc_want;
733	};	872	};
734		873
735	sub cf::attachable::attached {	874	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
737		876
…		…
752	";	891	";
753	die if $@;	892	die if $@;
754	}	893	}
755		894
756	our $override;	895	our $override;
757	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?
758		897
759	sub override {	898	sub override {
760	$override = 1;	899	$override = 1;
761	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
762	}	901	}
763		902
764	sub do_invoke {	903	sub do_invoke {
765	my $event = shift;	904	my $event = shift;
766	my $callbacks = shift;	905	my $callbacks = shift;
767		906
768	@invoke_results = ();	907	@INVOKE_RESULTS = ();
769		908
770	local $override;	909	local $override;
771		910
772	for (@$callbacks) {	911	for (@$callbacks) {
773	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
790		929
791	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
792		931
793	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
794	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
795	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		935
797	=back	936	=back
798		937
799	=cut	938	=cut
800		939
801	#############################################################################	940	#############################################################################
802	# 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	}
803		953
804	sub reattach {	954	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		959
808	my $registry = $obj->registry;	960	my $registry = $obj->registry;
809		961
810	@$registry = ();	962	@$registry = ();
811		963
…		…
858	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
859		1011
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1016	close $fh;
865		1017
866	if (@$objs) {	1018	if (@$objs) {
867	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) {
868	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1024	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
874	}	1026	}
875	} else {	1027	} else {
876	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
908	or return;	1060	or return;
909	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
910	}	1062	}
911		1063
912	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
914	return ($data, $av);	1066	return ($data, $av);
915	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
916		1074
917	#############################################################################	1075	#############################################################################
918	# command handling &c	1076	# command handling &c
919		1077
920	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1092	}
935		1093
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1095
938	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.
939		1101
940	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
941	called.	1103	called.
942		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
943	=cut	1116	=cut
944		1117
945	sub register_extcmd {	1118	sub register_extcmd {
946	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
947		1120
948	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
949	}	1128	}
950		1129
951	cf::player->attach (	1130	cf::player->attach (
952	on_command => sub {	1131	on_command => sub {
953	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1141	cf::override;
963	},	1142	},
964	on_extcmd => sub {	1143	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
966		1145
967	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1147
969	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
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
975	} else {	1163	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1165	}
978		1166
979	cf::override;	1167	cf::override;
980	},	1168	},
981	);	1169	);
982		1170
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1011	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1176	next unless -r $path;
1013	eval {	1177
1014	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;
1015	1	1235	}
1016	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1017	}	1241	};
1018	}	1242	}
1019		1243
1020	#############################################################################	1244	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1245
1023	*cf::mapsupport::on_clean = sub {	1246	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1247
1036	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1037		1249
1038	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1039		1251
…		…
1052	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1053		1265
1054	=cut	1266	=cut
1055		1267
1056	sub playerdir($) {	1268	sub playerdir($) {
1057	cf::localdir	1269	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1271	}
1063		1272
1064	sub path($) {	1273	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1275
1067	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1068	}	1277	}
1069		1278
1070	sub find_active($) {	1279	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1075		1284
1076	sub exists($) {	1285	sub exists($) {
1077	my ($login) = @_;	1286	my ($login) = @_;
1078		1287
1079	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1081	}	1290	}
1082		1291
1083	sub find($) {	1292	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1294	my $login = $_[0];
1086		1295
1087	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1088		1297
1089	$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
1090	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1091	or return;	1307	or return;
1092	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1093	}	1309	}
1094	}	1310	}
…		…
1122	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1123		1339
1124	$self	1340	$self
1125	}	1341	}
1126		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
1127	=item $pl->quit_character	1353	=item $pl->quit_character
1128		1354
1129	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
1130	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1131		1357
1132	=cut	1358	=cut
1133		1359
1134	sub quit_character {	1360	sub quit_character {
1135	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1136		1364
1137	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1138	$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
1139		1367
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1149	$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
1150	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;
1151	}	1399	}
1152		1400
1153	=item cf::player::list_logins	1401	=item cf::player::list_logins
1154		1402
1155	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
1156	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1157		1405
1158	=cut	1406	=cut
1159		1407
1160	sub list_logins {	1408	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1410	or return [];
1163		1411
1164	my @logins;	1412	my @logins;
1165		1413
1166	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1175	\@logins	1423	\@logins
1176	}	1424	}
1177		1425
1178	=item $player->maps	1426	=item $player->maps
1179		1427
1180	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1181	player. May block.	1429	player. May block.
1182		1430
1183	=cut	1431	=cut
1184		1432
1185	sub maps($) {	1433	sub maps($) {
1186	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1437
1188	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1189	or return;	1439	or return;
1190		1440
1191	my @paths;	1441	my @paths;
…		…
1193	for (@$files) {	1443	for (@$files) {
1194	utf8::decode $_;	1444	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1197		1447
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1449	}
1200		1450
1201	\@paths	1451	\@paths
1202	}	1452	}
1203		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
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1205		1505
1206	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1207		1507
1208	=cut	1508	=cut
1209		1509
1210	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1212		1512
1213	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1514	}
1217		1515
1218	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	}
1219		1556
1220	=back	1557	=back
1221
1222		1558
1223	=head3 cf::map	1559	=head3 cf::map
1224		1560
1225	=over 4	1561	=over 4
1226		1562
…		…
1229	package cf::map;	1565	package cf::map;
1230		1566
1231	use Fcntl;	1567	use Fcntl;
1232	use Coro::AIO;	1568	use Coro::AIO;
1233		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1234	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1236		1576
1237	sub generate_random_map {	1577	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1580	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1586	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1587	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1588	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1589	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
		1592	)
		1593	}
		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
1254	}	1720	}
1255		1721
1256	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1257	# all maps in C++...	1723	# all maps in C++...
1258	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1260		1726
1261	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1263	}	1729	}
1264		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1265	sub try_load_header($) {	1747	sub load_header_from($) {
1266	my ($path) = @_;	1748	my ($self, $path) = @_;
1267		1749
1268	utf8::encode $path;	1750	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1270	or return;	1755	or return;
1271		1756
1272	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1273	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1274		1803
1275	# for better error messages only, will be overwritten	1804	$self->{deny_reset} = 1
1276	$map->path ($path);	1805	if $self->no_reset;
1277		1806
1278	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1279	or return;	1808	unless $self->default_region;
1280		1809
1281	$map->{load_path} = $path;	1810	1
1282
1283	$map
1284	}	1811	}
1285		1812
1286	sub find;	1813	sub find;
1287	sub find {	1814	sub find {
1288	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1289		1816
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1818
1295	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1296		1820
1297	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1299		1823	my $map = new_from_path cf::map $path
1300	# do it the slow way
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1824	or return;
1319		1825
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1332		1827
1333	Coro::cede;	1828	$map->load_header
		1829	or return;
1334		1830
1335	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1336	$map->reset;	1834	$map->reset;
1337	undef $guard;	1835	undef $guard;
1338	$map = find $path	1836	return find $path;
1339	or return;
1340	}	1837	}
1341		1838
1342	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1343	}	1840	}
1344	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1345		1845
1346	sub load {	1846	sub load {
1347	my ($self) = @_;	1847	my ($self) = @_;
1348		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1349	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1351		1855
1352	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1353		1857
1354	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1355		1859
1356	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1357	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1358	or return;	1866	or return;
1359		1867
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	1869	if delete $self->{load_original};
1362		1870
1363	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	1872	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1366	$self->clear_unique_items;	1874	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1368	}	1876	}
1369	}	1877	}
1370		1878
1371	Coro::cede;	1879	Coro::cede;
1372
1373	# now do the right thing for maps	1880	# now do the right thing for maps
1374	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1386	$self->activate;	1893	$self->activate;
1387	}	1894	}
1388		1895
1389	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1390		1898
1391	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
1392	}	1915	}
1393		1916
1394	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	1918	sub load_neighbours {
1396	my ($map) = @_;	1919	my ($map) = @_;
1397		1920
1398	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1399		1922
1400	for (0 .. 3) {	1923	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1402	or next;	1925	or next;
1403	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1404	or next;	1927	or next;
1405	$neigh->load;	1928	$neigh->load;
1406		1929
		1930	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	1933	}
1410		1934
1411	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1413	or next;	1938	or next;
1414	$neigh->load;	1939	$neigh->load;
1415	}	1940	}
1416	}	1941	}
1417		1942
…		…
1422	}	1947	}
1423		1948
1424	sub do_load_sync {	1949	sub do_load_sync {
1425	my ($map) = @_;	1950	my ($map) = @_;
1426		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current != $Coro::main;
		1954
1427	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1428	}	1956	}
1429		1957
1430	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
		1959	our $MAP_PREFETCHER = undef;
		1960
		1961	sub find_async {
		1962	my ($path, $origin, $load) = @_;
		1963
		1964	$path = normalise $path, $origin && $origin->{path};
		1965
		1966	if (my $map = $cf::MAP{$path}) {
		1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1968	}
		1969
		1970	$MAP_PREFETCH{$path} |= $load;
		1971
1431	our $MAP_PREFETCHER = Coro::async {	1972	$MAP_PREFETCHER ||= cf::async {
1432	while () {
1433	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	1975	if (my $map = find $k) {
		1976	$map->load if $v;
		1977	}
		1978
1436	my $path = delete $MAP_PREFETCH{$key};	1979	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	1980	}
1442	Coro::schedule;	1981	}
		1982	undef $MAP_PREFETCHER;
1443	}	1983	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	1984	$MAP_PREFETCHER->prio (6);
1458		1985
1459	()	1986	()
1460	}	1987	}
1461		1988
1462	sub save {	1989	sub save {
…		…
1466		1993
1467	$self->{last_save} = $cf::RUNTIME;	1994	$self->{last_save} = $cf::RUNTIME;
1468		1995
1469	return unless $self->dirty;	1996	return unless $self->dirty;
1470		1997
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1998	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1999	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2000
1474	$self->{load_path} = $save;	2001	$self->{load_path} = $save;
1475		2002
1476	return if $self->{deny_save};	2003	return if $self->{deny_save};
1477		2004
…		…
1480	cf::async {	2007	cf::async {
1481	$_->contr->save for $self->players;	2008	$_->contr->save for $self->players;
1482	};	2009	};
1483		2010
1484	if ($uniq) {	2011	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2013	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2014	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2015	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2016	}
1490	}	2017	}
1491		2018
1492	sub swap_out {	2019	sub swap_out {
1493	my ($self) = @_;	2020	my ($self) = @_;
…		…
1507		2034
1508	sub reset_at {	2035	sub reset_at {
1509	my ($self) = @_;	2036	my ($self) = @_;
1510		2037
1511	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1514		2040
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2043
…		…
1522	my ($self) = @_;	2048	my ($self) = @_;
1523		2049
1524	$self->reset_at <= $cf::RUNTIME	2050	$self->reset_at <= $cf::RUNTIME
1525	}	2051	}
1526		2052
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2053	sub reset {
1549	my ($self) = @_;	2054	my ($self) = @_;
1550		2055
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2057
1553	return if $self->players;	2058	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2059
1556	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1557		2071
1558	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
		2073
		2074	$self->clear;
1559		2075
1560	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1561		2077
1562	$self->unlink_save;	2078	$self->unlink_save;
1563	$self->destroy;	2079	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2082	my $nuke_counter = "aaaa";
1567		2083
1568	sub nuke {	2084	sub nuke {
1569	my ($self) = @_;	2085	my ($self) = @_;
1570		2086
		2087	delete $cf::MAP{$self->path};
		2088
		2089	$self->unlink_save;
		2090
		2091	bless $self, "cf::map";
		2092	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2093	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2094	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2095	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2096
		2097	$cf::MAP{$self->path} = $self;
		2098
1574	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1575	}	2100	}
1576		2101
1577	sub customise_for {	2102	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2103
1580	if ($map->per_player) {	2104	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
1582	}	2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
1583		2119
1584	$map	2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
1585	}	2136	}
1586		2137
1587	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1588		2139
1589	Returns an arrayref of cf::path's of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2141	instantiated unique items. May block.
1591		2142
1592	=cut	2143	=cut
1593		2144
1594	sub unique_maps() {	2145	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1596	or return;	2147	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2148	utf8::decode $_;
1602	next if /\.pst$/;	2149	/\.map$/
1603	next unless /^$PATH_SEP/o;	2150	? normalise $_
1604		2151	: ()
1605	push @paths, new cf::path $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2153	]
1607
1608	\@paths
1609	}	2154	}
1610		2155
1611	package cf;	2156	package cf;
1612		2157
1613	=back	2158	=back
…		…
1659		2204
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2206
1662	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1664	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1667	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1668	}	2232	}
1669		2233
1670	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1671		2235
1672	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1685		2249
1686	=item $player_object->enter_link	2250	=item $player_object->enter_link
1687		2251
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2252	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2253
1690	The player should be reaosnably safe there for short amounts of time. You	2254	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2255	I<MUST> call C<leave_link> as soon as possible, though.
1692		2256
		2257	Will never block.
		2258
1693	=item $player_object->leave_link ($map, $x, $y)	2259	=item $player_object->leave_link ($map, $x, $y)
1694		2260
1695	Moves the player out of the specila link map onto the given map. If the	2261	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2262	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2263	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2264	fails, to the emergency map position.
1699		2265
1700	Might block.	2266	Might block.
1701		2267
1702	=cut	2268	=cut
		2269
		2270	sub link_map {
		2271	unless ($LINK_MAP) {
		2272	$LINK_MAP = cf::map::find "{link}"
		2273	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2274	$LINK_MAP->load;
		2275	}
		2276
		2277	$LINK_MAP
		2278	}
1703		2279
1704	sub cf::object::player::enter_link {	2280	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2281	my ($self) = @_;
1706		2282
1707	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1708		2284
1709	return if $self->map == $LINK_MAP;	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2286
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1713		2289
1714	$self->enter_map ($LINK_MAP, 20, 20);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2291	}
1716		2292
1717	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1719		2297
1720	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1721		2299
1722	unless ($map) {	2300	unless ($map) {
1723	# restore original map position	2301	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1740		2318
1741	$map->load;	2319	$map->load;
1742	$map->load_diag;	2320	$map->load_neighbours;
1743		2321
1744	return unless $self->contr->active;	2322	return unless $self->contr->active;
1745	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1747	}	2327	}
1748		2328
1749	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2330
1753	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1757	};	2335	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2336
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1784		2340
1785	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2343
1788	$path = new cf::path $path;	2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2346
1790	$self->enter_link;	2347	$self->enter_link;
1791		2348
1792	(async {	2349	(async {
		2350	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
1795		2355	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2356	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
1800		2359
		2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
		2366	}
		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1802	})->prio (1);	2374	})->prio (1);
1803	}	2375	}
1804		2376
1805	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1806		2378
…		…
1808		2380
1809	sub parse_random_map_params {	2381	sub parse_random_map_params {
1810	my ($spec) = @_;	2382	my ($spec) = @_;
1811		2383
1812	my $rmp = { # defaults	2384	my $rmp = { # defaults
1813	xsize => 10,	2385	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2386	ysize => (cf::rndm 15, 40),
		2387	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2388	#layout => string,
1815	};	2389	};
1816		2390
1817	for (split /\n/, $spec) {	2391	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2392	my ($k, $v) = split /\s+/, $_, 2;
1819		2393
…		…
1823	$rmp	2397	$rmp
1824	}	2398	}
1825		2399
1826	sub prepare_random_map {	2400	sub prepare_random_map {
1827	my ($exit) = @_;	2401	my ($exit) = @_;
		2402
		2403	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2404
1829	# all this does is basically replace the /! path by	2405	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2406	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2407	# that depends on the exit object
1832		2408
1833	my $rmp = parse_random_map_params $exit->msg;	2409	my $rmp = parse_random_map_params $exit->msg;
1834		2410
1835	if ($exit->map) {	2411	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2412	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2413	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2414	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2415	$rmp->{origin_y} = $exit->y;
1840	}	2416	}
1841		2417
1842	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1843		2419
1844	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
		2422	my $meta = "$RANDOMDIR/$md5.meta";
1846		2423
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
		2426	undef $fh;
		2427	aio_rename "$meta~", $meta;
1849		2428
1850	$exit->slaying ("?random/$md5");	2429	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2430	$exit->msg (undef);
1852	}	2431	}
1853	}	2432	}
…		…
1855	sub cf::object::player::enter_exit {	2434	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2435	my ($self, $exit) = @_;
1857		2436
1858	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1859		2438
		2439	if ($exit->slaying eq "/!") {
		2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
		2443	cf::sync_job { prepare_random_map $exit };
		2444	}
		2445
		2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2447	my $hp = $exit->stats->hp;
		2448	my $sp = $exit->stats->sp;
		2449
1860	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1861		2455
1862	(async {	2456	(async {
1863	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2458	unless (eval {
1865	prepare_random_map $exit	2459	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2460
1871	1;	2461	1;
1872	}) {	2462	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2467
1878	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2469	$self->leave_link;
1880	}	2470	}
1881	})->prio (1);	2471	})->prio (1);
…		…
1894		2484
1895	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1897		2487
1898	utf8::encode $text;	2488	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2490	}
1901		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	my $extcmd = $self->extcmd;
		2564
		2565	if ($extcmd == 2) {
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2567	} elsif ($extcmd == 1) { # TODO: remove
		2568	push @msg, msgtype => "event_$type";
		2569	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2570	}
		2571	}
		2572
		2573	=item $client->ext_reply ($msgid, @msg)
		2574
		2575	Sends an ext reply to the client.
		2576
		2577	=cut
		2578
		2579	sub cf::client::ext_reply($$@) {
		2580	my ($self, $id, @msg) = @_;
		2581
		2582	if ($self->extcmd == 2) {
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2584	} elsif ($self->ns->extcmd == 1) {
		2585	#TODO: version 1, remove
		2586	unshift @msg, msgtype => "reply", msgid => $id;
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
1902		2590
1903	=item $success = $client->query ($flags, "text", \&cb)	2591	=item $success = $client->query ($flags, "text", \&cb)
1904		2592
1905	Queues a query to the client, calling the given callback with	2593	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2594	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2595	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2596
1909	Queries can fail, so check the return code. Or don't, as queries will become	2597	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2598	become reliable at some point in the future.
1911		2599
1912	=cut	2600	=cut
1913		2601
1914	sub cf::client::query {	2602	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2603	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2611	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2612	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2613
1926	$self->send_packet ($self->{query_queue}[0][0])	2614	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2615	if @{ $self->{query_queue} } == 1;
		2616
		2617	1
1928	}	2618	}
1929		2619
1930	cf::client->attach (	2620	cf::client->attach (
		2621	on_connect => sub {
		2622	my ($ns) = @_;
		2623
		2624	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2625	},
1931	on_reply => sub {	2626	on_reply => sub {
1932	my ($ns, $msg) = @_;	2627	my ($ns, $msg) = @_;
1933		2628
1934	# this weird shuffling is so that direct followup queries	2629	# this weird shuffling is so that direct followup queries
1935	# get handled first	2630	# get handled first
1936	my $queue = delete $ns->{query_queue}	2631	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2632	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2633
1939	(shift @$queue)->[1]->($msg);	2634	(shift @$queue)->[1]->($msg);
		2635	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2636
1941	push @{ $ns->{query_queue} }, @$queue;	2637	push @{ $ns->{query_queue} }, @$queue;
1942		2638
1943	if (@{ $ns->{query_queue} } == @$queue) {	2639	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2640	if (@$queue) {
…		…
1946	} else {	2642	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2643	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2644	}
1949	}	2645	}
1950	},	2646	},
		2647	on_exticmd => sub {
		2648	my ($ns, $buf) = @_;
		2649
		2650	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2651
		2652	if (ref $msg) {
		2653	my ($type, $reply, @payload) =
		2654	"ARRAY" eq ref $msg
		2655	? @$msg
		2656	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2657
		2658	my @reply;
		2659
		2660	if (my $cb = $EXTICMD{$type}) {
		2661	@reply = $cb->($ns, @payload);
		2662	}
		2663
		2664	$ns->ext_reply ($reply, @reply)
		2665	if $reply;
		2666
		2667	} else {
		2668	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2669	}
		2670
		2671	cf::override;
		2672	},
1951	);	2673	);
1952		2674
1953	=item $client->async (\&cb)	2675	=item $client->async (\&cb)
1954		2676
1955	Create a new coroutine, running the specified callback. The coroutine will	2677	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2718	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2719	our $safe_hole = new Safe::Hole;
1998		2720
1999	$SIG{FPE} = 'IGNORE';	2721	$SIG{FPE} = 'IGNORE';
2000		2722
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2723	$safe->permit_only (Opcode::opset qw(
		2724	:base_core :base_mem :base_orig :base_math
		2725	grepstart grepwhile mapstart mapwhile
		2726	sort time
		2727	));
2002		2728
2003	# here we export the classes and methods available to script code	2729	# here we export the classes and methods available to script code
2004		2730
2005	=pod	2731	=pod
2006		2732
2007	The following fucntions and emthods are available within a safe environment:	2733	The following functions and methods are available within a safe environment:
2008		2734
2009	cf::object contr pay_amount pay_player map	2735	cf::object
		2736	contr pay_amount pay_player map x y force_find force_add
		2737	insert remove name archname title slaying race decrease_ob_nr
		2738
2010	cf::object::player player	2739	cf::object::player
2011	cf::player peaceful	2740	player
2012	cf::map trigger	2741
		2742	cf::player
		2743	peaceful
		2744
		2745	cf::map
		2746	trigger
2013		2747
2014	=cut	2748	=cut
2015		2749
2016	for (	2750	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2751	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2752	insert remove inv name archname title slaying race
		2753	decrease_ob_nr)],
2018	["cf::object::player" => qw(player)],	2754	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2755	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2756	["cf::map" => qw(trigger)],
2021	) {	2757	) {
2022	no strict 'refs';	2758	no strict 'refs';
…		…
2093	=back	2829	=back
2094		2830
2095	=cut	2831	=cut
2096		2832
2097	#############################################################################	2833	#############################################################################
		2834	# the server's init and main functions
2098		2835
2099	=head2 EXTENSION DATABASE SUPPORT	2836	sub load_facedata($) {
		2837	my ($path) = @_;
2100		2838
2101	Crossfire maintains a very simple database for extension use. It can	2839	my $enc = JSON::XS->new->utf8->canonical;
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2840
2105	The parameter C<$family> should best start with the name of the extension	2841	warn "loading facedata from $path\n";
2106	using it, it should be unique.
2107		2842
2108	=over 4	2843	my $facedata;
		2844	0 < aio_load $path, $facedata
		2845	or die "$path: $!";
2109		2846
2110	=item $hashref = cf::db_get $family	2847	$facedata = Coro::Storable::thaw $facedata;
2111		2848
2112	Return a hashref for use by the extension C<$family>, which can be	2849	$facedata->{version} == 2
2113	modified. After modifications, you have to call C<cf::db_dirty> or	2850	or cf::cleanup "$path: version mismatch, cannot proceed.";
2114	C<cf::db_sync>.
2115		2851
2116	=item $value = cf::db_get $family => $key	2852	# patch in the exptable
2117		2853	$facedata->{resource}{"res/exp_table"} = {
2118	Returns a single value from the database	2854	type => FT_RSRC,
2119		2855	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2120	=item cf::db_put $family => $hashref
2121
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	2856	};
		2857	cf::cede_to_tick;
2171		2858
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2859	{
		2860	my $faces = $facedata->{faceinfo};
2176		2861
2177	sub db_get($;$) {	2862	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2863	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2864	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2865	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2866	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2867	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2868
2183	sub db_put($$;$) {	2869	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	2870	}
2197	);
2198	}
2199		2871
2200	#############################################################################	2872	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2873	next unless $info->{smooth};
		2874	my $idx = cf::face::find $face
		2875	or next;
		2876	if (my $smooth = cf::face::find $info->{smooth}) {
		2877	cf::face::set_smooth $idx, $smooth;
		2878	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2879	} else {
		2880	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2881	}
		2882
		2883	cf::cede_to_tick;
		2884	}
		2885	}
		2886
		2887	{
		2888	my $anims = $facedata->{animinfo};
		2889
		2890	while (my ($anim, $info) = each %$anims) {
		2891	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2892	cf::cede_to_tick;
		2893	}
		2894
		2895	cf::anim::invalidate_all; # d'oh
		2896	}
		2897
		2898	{
		2899	# TODO: for gcfclient pleasure, we should give resources
		2900	# that gcfclient doesn't grok a >10000 face index.
		2901	my $res = $facedata->{resource};
		2902
		2903	my $soundconf = delete $res->{"res/sound.conf"};
		2904
		2905	while (my ($name, $info) = each %$res) {
		2906	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2907	my $data;
		2908
		2909	if ($info->{type} & 1) {
		2910	# prepend meta info
		2911
		2912	my $meta = $enc->encode ({
		2913	name => $name,
		2914	%{ $info->{meta} || {} },
		2915	});
		2916
		2917	$data = pack "(w/a*)*", $meta, $info->{data};
		2918	} else {
		2919	$data = $info->{data};
		2920	}
		2921
		2922	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2923	cf::face::set_type $idx, $info->{type};
		2924
		2925	cf::cede_to_tick;
		2926	}
		2927
		2928	if ($soundconf) {
		2929	$soundconf = $enc->decode (delete $soundconf->{data});
		2930
		2931	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2932	my $sound = $soundconf->{compat}[$_]
		2933	or next;
		2934
		2935	my $face = cf::face::find "sound/$sound->[1]";
		2936	cf::sound::set $sound->[0] => $face;
		2937	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2938	}
		2939
		2940	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2941	my $face = cf::face::find "sound/$v";
		2942	cf::sound::set $k => $face;
		2943	}
		2944	}
		2945	}
		2946
		2947	1
		2948	}
		2949
		2950	register_exticmd fx_want => sub {
		2951	my ($ns, $want) = @_;
		2952
		2953	while (my ($k, $v) = each %$want) {
		2954	$ns->fx_want ($k, $v);
		2955	}
		2956	};
		2957
		2958	sub reload_regions {
		2959	load_resource_file "$MAPDIR/regions"
		2960	or die "unable to load regions file\n";
		2961
		2962	for (cf::region::list) {
		2963	$_->{match} = qr/$_->{match}/
		2964	if exists $_->{match};
		2965	}
		2966	}
		2967
		2968	sub reload_facedata {
		2969	load_facedata "$DATADIR/facedata"
		2970	or die "unable to load facedata\n";
		2971	}
		2972
		2973	sub reload_archetypes {
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	#d# NEED to laod twice to resolve forward references
		2977	# this really needs to be done in an extra post-pass
		2978	# (which needs to be synchronous, so solve it differently)
		2979	load_resource_file "$DATADIR/archetypes"
		2980	or die "unable to load archetypes\n";
		2981	}
		2982
		2983	sub reload_treasures {
		2984	load_resource_file "$DATADIR/treasures"
		2985	or die "unable to load treasurelists\n";
		2986	}
		2987
		2988	sub reload_resources {
		2989	warn "reloading resource files...\n";
		2990
		2991	reload_regions;
		2992	reload_facedata;
		2993	#reload_archetypes;#d#
		2994	reload_archetypes;
		2995	reload_treasures;
		2996
		2997	warn "finished reloading resource files\n";
		2998	}
		2999
		3000	sub init {
		3001	reload_resources;
		3002	}
2202		3003
2203	sub cfg_load {	3004	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3005	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3006	or return;
2206		3007
2207	local $/;	3008	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3009	*CFG = YAML::Syck::Load <$fh>;
2209		3010
…		…
2223		3024
2224	sub main {	3025	sub main {
2225	# we must not ever block the main coroutine	3026	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3027	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3028	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3029	(async {
2228	async { Event::one_event };	3030	Event::one_event;
		3031	})->prio (Coro::PRIO_MAX);
2229	};	3032	};
2230		3033
2231	cfg_load;	3034	cfg_load;
2232	db_load;	3035	db_init;
2233	load_extensions;	3036	load_extensions;
		3037
		3038	$TICK_WATCHER->start;
2234	Event::loop;	3039	Event::loop;
2235	}	3040	}
2236		3041
2237	#############################################################################	3042	#############################################################################
2238	# initialisation and cleanup	3043	# initialisation and cleanup
2239		3044
2240	# install some emergency cleanup handlers	3045	# install some emergency cleanup handlers
2241	BEGIN {	3046	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3047	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3048	Event->signal (
		3049	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3050	data => WF_AUTOCANCEL,
2245	signal => $signal,	3051	signal => $signal,
		3052	prio => 0,
2246	cb => sub {	3053	cb => sub {
2247	cf::cleanup "SIG$signal";	3054	cf::cleanup "SIG$signal";
2248	},	3055	},
2249	);	3056	);
2250	}	3057	}
2251	}	3058	}
2252		3059
		3060	sub write_runtime {
		3061	my $runtime = "$LOCALDIR/runtime";
		3062
		3063	# first touch the runtime file to show we are still running:
		3064	# the fsync below can take a very very long time.
		3065
		3066	IO::AIO::aio_utime $runtime, undef, undef;
		3067
		3068	my $guard = cf::lock_acquire "write_runtime";
		3069
		3070	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3071	or return;
		3072
		3073	my $value = $cf::RUNTIME + 90 + 10;
		3074	# 10 is the runtime save interval, for a monotonic clock
		3075	# 60 allows for the watchdog to kill the server.
		3076
		3077	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3078	and return;
		3079
		3080	# always fsync - this file is important
		3081	aio_fsync $fh
		3082	and return;
		3083
		3084	# touch it again to show we are up-to-date
		3085	aio_utime $fh, undef, undef;
		3086
		3087	close $fh
		3088	or return;
		3089
		3090	aio_rename "$runtime~", $runtime
		3091	and return;
		3092
		3093	warn "runtime file written.\n";
		3094
		3095	1
		3096	}
		3097
2253	sub emergency_save() {	3098	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3099	my $freeze_guard = cf::freeze_mainloop;
2255		3100
2256	warn "enter emergency perl save\n";	3101	warn "enter emergency perl save\n";
2257		3102
2258	cf::sync_job {	3103	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3104	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3105	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3106	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3107	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3108	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3109	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3110	$pl->valid or next;
2266	$pl->save;	3111	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3117	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3118	$map->valid or next;
2274	$map->save;	3119	$map->save;
2275	}	3120	}
2276	warn "end emergency map save\n";	3121	warn "end emergency map save\n";
		3122
		3123	warn "begin emergency database checkpoint\n";
		3124	BDB::db_env_txn_checkpoint $DB_ENV;
		3125	warn "end emergency database checkpoint\n";
2277	};	3126	};
2278		3127
2279	warn "leave emergency perl save\n";	3128	warn "leave emergency perl save\n";
2280	}	3129	}
2281		3130
		3131	sub post_cleanup {
		3132	my ($make_core) = @_;
		3133
		3134	warn Carp::longmess "post_cleanup backtrace"
		3135	if $make_core;
		3136	}
		3137
2282	sub reload() {	3138	sub do_reload_perl() {
2283	# can/must only be called in main	3139	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3140	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3141	warn "can only reload from main coroutine";
2286	return;	3142	return;
2287	}	3143	}
2288		3144
2289	warn "reloading...";	3145	warn "reloading...";
2290		3146
2291	warn "freezing server";	3147	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3148
		3149	cf::sync_job {
		3150	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3151	cf::emergency_save;
		3152	cf::write_runtime; # external watchdog should not bark
2294		3153
2295	warn "sync database to disk";	3154	warn "syncing database to disk";
2296	cf::db_sync;	3155	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3156
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3157	# if anything goes wrong in here, we should simply crash as we already saved
2301		3158
2302	warn "cancel all watchers";	3159	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3160	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3161	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3162	}
2306		3163
		3164	warn "flushing outstanding aio requests";
		3165	for (;;) {
		3166	BDB::flush;
		3167	IO::AIO::flush;
		3168	Coro::cede;
		3169	last unless IO::AIO::nreqs || BDB::nreqs;
		3170	warn "iterate...";
		3171	}
		3172
		3173	++$RELOAD;
		3174
2307	warn "cancel all extension coros";	3175	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3176	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3177	%EXT_CORO = ();
2310		3178
2311	warn "remove commands";	3179	warn "removing commands";
2312	%COMMAND = ();	3180	%COMMAND = ();
2313		3181
2314	warn "remove ext commands";	3182	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3183	%EXTCMD = ();
		3184	%EXTICMD = ();
2316		3185
2317	warn "unload/nuke all extensions";	3186	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3187	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3188	warn "... unloading $pkg";
2320		3189
2321	if (my $cb = $pkg->can ("unload")) {	3190	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3191	eval {
2323	$cb->($pkg);	3192	$cb->($pkg);
2324	1	3193	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3194	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3195	}
2327		3196
		3197	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3198	Symbol::delete_package $pkg;
2329	}	3199	}
2330		3200
2331	warn "unload all perl modules loaded from $LIBDIR";	3201	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3202	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3203	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3204
2335	warn "removing <$k>";	3205	warn "... unloading $k";
2336	delete $INC{$k};	3206	delete $INC{$k};
2337		3207
2338	$k =~ s/\.pm$//;	3208	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3209	$k =~ s/\//::/g;
2340		3210
…		…
2343	}	3213	}
2344		3214
2345	Symbol::delete_package $k;	3215	Symbol::delete_package $k;
2346	}	3216	}
2347		3217
2348	warn "get rid of safe::, as good as possible";	3218	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3219	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3220	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3221
2352	warn "unload cf.pm \"a bit\"";	3222	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3223	delete $INC{"cf.pm"};
		3224	delete $INC{"cf/pod.pm"};
2354		3225
2355	# don't, removes xs symbols, too,	3226	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3227	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3228	#Symbol::delete_package __PACKAGE__;
2358		3229
		3230	warn "unload completed, starting to reload now";
		3231
2359	warn "reloading cf.pm";	3232	warn "reloading cf.pm";
2360	require cf;	3233	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3234	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3235
2363	warn "load config and database again";	3236	warn "loading config and database again";
2364	cf::cfg_load;	3237	cf::cfg_load;
2365	cf::db_load;
2366		3238
2367	warn "load extensions";	3239	warn "loading extensions";
2368	cf::load_extensions;	3240	cf::load_extensions;
2369		3241
2370	warn "reattach attachments to objects/players";	3242	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3243	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3244	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3245	reattach $_ for values %MAP;
2374	};	3246	warn "reattaching attachments to players";
		3247	reattach $_ for values %PLAYER;
2375		3248
2376	if ($@) {	3249	warn "leaving sync_job";
		3250
		3251	1
		3252	} or do {
2377	warn $@;	3253	warn $@;
2378	warn "error while reloading, exiting.";	3254	warn "error while reloading, exiting.";
2379	exit 1;	3255	exit 1;
2380	}	3256	};
2381		3257
2382	warn "reloaded";	3258	warn "reloaded";
2383	};	3259	};
2384		3260
2385	#############################################################################	3261	our $RELOAD_WATCHER; # used only during reload
2386		3262
2387	unless ($LINK_MAP) {	3263	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3264	# doing reload synchronously and two reloads happen back-to-back,
		3265	# coro crashes during coro_state_free->destroy here.
2389		3266
2390	$LINK_MAP->width (41);	3267	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3268	reentrant => 0,
2392	$LINK_MAP->alloc;
2393	$LINK_MAP->path ("{link}");
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,	3269	after => 0,
		3270	data => WF_AUTOCANCEL,
2400	cb => sub {	3271	cb => sub {
2401	$_[0]->w->cancel;	3272	do_reload_perl;
2402		3273	undef $RELOAD_WATCHER;
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});	3274	},
2421		3275	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3276	}
2427		3277
2428	register_command "reload" => sub {	3278	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3279	my ($who, $arg) = @_;
2430		3280
2431	if ($who->flag (FLAG_WIZ)) {	3281	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3282	$who->message ("reloading server.");
		3283	async { reload_perl };
2435	}	3284	}
2436	};	3285	};
2437		3286
2438	unshift @INC, $LIBDIR;	3287	unshift @INC, $LIBDIR;
2439		3288
		3289	my $bug_warning = 0;
		3290
		3291	our @WAIT_FOR_TICK;
		3292	our @WAIT_FOR_TICK_BEGIN;
		3293
		3294	sub wait_for_tick {
		3295	return unless $TICK_WATCHER->is_active;
		3296	return if $Coro::current == $Coro::main;
		3297
		3298	my $signal = new Coro::Signal;
		3299	push @WAIT_FOR_TICK, $signal;
		3300	$signal->wait;
		3301	}
		3302
		3303	sub wait_for_tick_begin {
		3304	return unless $TICK_WATCHER->is_active;
		3305	return if $Coro::current == $Coro::main;
		3306
		3307	my $signal = new Coro::Signal;
		3308	push @WAIT_FOR_TICK_BEGIN, $signal;
		3309	$signal->wait;
		3310	}
		3311
		3312	my $min = 1e6;#d#
		3313	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3314	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3315	reentrant => 0,
		3316	parked => 1,
2442	prio => 0,	3317	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3318	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3319	data => WF_AUTOCANCEL,
2445	cb => sub {	3320	cb => sub {
		3321	if ($Coro::current != $Coro::main) {
		3322	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3323	unless ++$bug_warning > 10;
		3324	return;
		3325	}
		3326
		3327	$NOW = $tick_start = Event::time;
		3328
2446	cf::server_tick; # one server iteration	3329	cf::server_tick; # one server iteration
		3330
		3331	0 && sync_job {#d#
		3332	for(1..10) {
		3333	my $t = Event::time;
		3334	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3335	or die;
		3336
		3337	$map->width (50);
		3338	$map->height (50);
		3339	$map->alloc;
		3340	$map->_load_objects ("/tmp/x.map", 1);
		3341	my $t = Event::time - $t;
		3342
		3343	#next unless $t < 0.0013;#d#
		3344	if ($t < $min) {
		3345	$min = $t;
		3346	}
		3347	$avg = $avg * 0.99 + $t * 0.01;
		3348	}
		3349	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3350	exit 0;
		3351	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3352	};
		3353
2447	$RUNTIME += $TICK;	3354	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3355	$NEXT_TICK += $TICK;
2449		3356
2450	$WAIT_FOR_TICK->broadcast;	3357	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3358	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3359	Coro::async_pool {
		3360	write_runtime
		3361	or warn "ERROR: unable to write runtime file: $!";
		3362	};
		3363	}
		3364
		3365	# my $AFTER = Event::time;
		3366	# warn $AFTER - $NOW;#d#
		3367
		3368	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3369	$sig->send;
		3370	}
		3371	while (my $sig = shift @WAIT_FOR_TICK) {
		3372	$sig->send;
		3373	}
		3374
		3375	$NOW = Event::time;
2452		3376
2453	# if we are delayed by four ticks or more, skip them all	3377	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3378	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3379
2456	$TICK_WATCHER->at ($NEXT_TICK);	3380	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3381	$TICK_WATCHER->start;
		3382
		3383	$LOAD = ($NOW - $tick_start) / $TICK;
		3384	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3385
		3386	_post_tick;
		3387
		3388
2458	},	3389	},
2459	);	3390	);
2460		3391
		3392	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3393	BDB::max_poll_time $TICK * 0.1;
2462		3394	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3395	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3396	fd => BDB::poll_fileno,
2465	poll => 'r',	3397	poll => 'r',
2466	prio => 5,	3398	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3399	data => WF_AUTOCANCEL,
2473	after => 0,	3400	cb => \&BDB::poll_cb,
2474	interval => 10,	3401	);
2475	cb => sub {	3402	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3403
2477	write_runtime	3404	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3405	my $status;
		3406	my $current = $Coro::current;
		3407	(
		3408	sub {
		3409	$status = $!;
		3410	$current->ready; undef $current;
		3411	},
		3412	sub {
		3413	Coro::schedule while defined $current;
		3414	$! = $status;
		3415	},
		3416	)
		3417	};
		3418
		3419	unless ($DB_ENV) {
		3420	$DB_ENV = BDB::db_env_create;
		3421
		3422	cf::sync_job {
		3423	eval {
		3424	BDB::db_env_open
		3425	$DB_ENV,
		3426	$BDBDIR,
		3427	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3428	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3429	0666;
		3430
		3431	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3432
		3433	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3434	$DB_ENV->set_lk_detect;
		3435	};
		3436
		3437	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3438	};
2480	},	3439	}
2481	);	3440	}
		3441
		3442	{
		3443	IO::AIO::min_parallel 8;
		3444
		3445	undef $Coro::AIO::WATCHER;
		3446	IO::AIO::max_poll_time $TICK * 0.1;
		3447	$AIO_POLL_WATCHER = Event->io (
		3448	reentrant => 0,
		3449	data => WF_AUTOCANCEL,
		3450	fd => IO::AIO::poll_fileno,
		3451	poll => 'r',
		3452	prio => 6,
		3453	cb => \&IO::AIO::poll_cb,
		3454	);
		3455	}
		3456
		3457	my $_log_backtrace;
		3458
		3459	sub _log_backtrace {
		3460	my ($msg, @addr) = @_;
		3461
		3462	$msg =~ s/\n//;
		3463
		3464	# limit the # of concurrent backtraces
		3465	if ($_log_backtrace < 2) {
		3466	++$_log_backtrace;
		3467	async {
		3468	my @bt = fork_call {
		3469	@addr = map { sprintf "%x", $_ } @addr;
		3470	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3471	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3472	or die "addr2line: $!";
		3473
		3474	my @funcs;
		3475	my @res = <$fh>;
		3476	chomp for @res;
		3477	while (@res) {
		3478	my ($func, $line) = splice @res, 0, 2, ();
		3479	push @funcs, "[$func] $line";
		3480	}
		3481
		3482	@funcs
		3483	};
		3484
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] $_\n" for @bt;
		3487	--$_log_backtrace;
		3488	};
		3489	} else {
		3490	LOG llevInfo, "[ABT] $msg\n";
		3491	LOG llevInfo, "[ABT] [suppressed]\n";
		3492	}
		3493	}
		3494
		3495	# load additional modules
		3496	use cf::pod;
2482		3497
2483	END { cf::emergency_save }	3498	END { cf::emergency_save }
2484		3499
2485	1	3500	1
2486		3501

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