ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 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
…		…
1426		1951
1427	cf::sync_job { $map->load };	1952	cf::sync_job { $map->load };
1428	}	1953	}
1429		1954
1430	our %MAP_PREFETCH;	1955	our %MAP_PREFETCH;
1431	our $MAP_PREFETCHER = Coro::async {	1956	our $MAP_PREFETCHER = undef;
1432	while () {
1433	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH
1435	or next;
1436	my $path = delete $MAP_PREFETCH{$key};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}
1442	Coro::schedule;
1443	}
1444	};
1445		1957
1446	sub find_async {	1958	sub find_async {
1447	my ($path, $origin) = @_;	1959	my ($path, $origin) = @_;
1448		1960
1449	$path = new cf::path $path, $origin && $origin->path;	1961	$path = normalise $path, $origin && $origin->{path};
1450	my $key = $path->as_string;
1451		1962
1452	if (my $map = $cf::MAP{$key}) {	1963	if (my $map = $cf::MAP{$path}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1964	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}	1965	}
1455		1966
1456	$MAP_PREFETCH{$key} = $path;	1967	undef $MAP_PREFETCH{$path};
		1968	$MAP_PREFETCHER ||= cf::async {
		1969	while (%MAP_PREFETCH) {
		1970	for my $path (keys %MAP_PREFETCH) {
		1971	if (my $map = find $path) {
		1972	$map->load;
		1973	}
		1974
		1975	delete $MAP_PREFETCH{$path};
		1976	}
		1977	}
		1978	undef $MAP_PREFETCHER;
		1979	};
1457	$MAP_PREFETCHER->ready;	1980	$MAP_PREFETCHER->prio (6);
1458		1981
1459	()	1982	()
1460	}	1983	}
1461		1984
1462	sub save {	1985	sub save {
…		…
1466		1989
1467	$self->{last_save} = $cf::RUNTIME;	1990	$self->{last_save} = $cf::RUNTIME;
1468		1991
1469	return unless $self->dirty;	1992	return unless $self->dirty;
1470		1993
1471	my $save = $self->{path}->save_path; utf8::encode $save;	1994	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1995	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		1996
1474	$self->{load_path} = $save;	1997	$self->{load_path} = $save;
1475		1998
1476	return if $self->{deny_save};	1999	return if $self->{deny_save};
1477		2000
…		…
1480	cf::async {	2003	cf::async {
1481	$_->contr->save for $self->players;	2004	$_->contr->save for $self->players;
1482	};	2005	};
1483		2006
1484	if ($uniq) {	2007	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2009	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2010	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2012	}
1490	}	2013	}
1491		2014
1492	sub swap_out {	2015	sub swap_out {
1493	my ($self) = @_;	2016	my ($self) = @_;
…		…
1507		2030
1508	sub reset_at {	2031	sub reset_at {
1509	my ($self) = @_;	2032	my ($self) = @_;
1510		2033
1511	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1514		2036
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2039
…		…
1522	my ($self) = @_;	2044	my ($self) = @_;
1523		2045
1524	$self->reset_at <= $cf::RUNTIME	2046	$self->reset_at <= $cf::RUNTIME
1525	}	2047	}
1526		2048
1527	sub unlink_save {
1528	my ($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	$self->save;
1546	}
1547
1548	sub reset {	2049	sub reset {
1549	my ($self) = @_;	2050	my ($self) = @_;
1550		2051
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2053
1553	return if $self->players;	2054	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2055
1556	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
1557		2067
1558	delete $cf::MAP{$self->path};	2068	delete $cf::MAP{$self->path};
		2069
		2070	$self->clear;
1559		2071
1560	$_->clear_links_to ($self) for values %cf::MAP;	2072	$_->clear_links_to ($self) for values %cf::MAP;
1561		2073
1562	$self->unlink_save;	2074	$self->unlink_save;
1563	$self->destroy;	2075	$self->destroy;
…		…
1566	my $nuke_counter = "aaaa";	2078	my $nuke_counter = "aaaa";
1567		2079
1568	sub nuke {	2080	sub nuke {
1569	my ($self) = @_;	2081	my ($self) = @_;
1570		2082
		2083	delete $cf::MAP{$self->path};
		2084
		2085	$self->unlink_save;
		2086
		2087	bless $self, "cf::map";
		2088	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2089	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2090	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2091	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2092
		2093	$cf::MAP{$self->path} = $self;
		2094
1574	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1575	}	2096	}
1576		2097
1577	sub customise_for {	2098	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2099
1580	if ($map->per_player) {	2100	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
1582	}	2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
1583		2115
1584	$map	2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
1585	}	2132	}
1586		2133
1587	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1588		2135
1589	Returns an arrayref of cf::path's of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2137	instantiated unique items. May block.
1591		2138
1592	=cut	2139	=cut
1593		2140
1594	sub unique_maps() {	2141	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1596	or return;	2143	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2144	utf8::decode $_;
1602	next if /\.pst$/;	2145	/\.map$/
1603	next unless /^$PATH_SEP/o;	2146	? normalise $_
1604		2147	: ()
1605	push @paths, new cf::path $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2149	]
1607
1608	\@paths
1609	}	2150	}
1610		2151
1611	package cf;	2152	package cf;
1612		2153
1613	=back	2154	=back
…		…
1659		2200
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2202
1662	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1664	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1667	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1668	}	2228	}
1669		2229
1670	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1671		2231
1672	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1685		2245
1686	=item $player_object->enter_link	2246	=item $player_object->enter_link
1687		2247
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2248	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2249
1690	The player should be reaosnably safe there for short amounts of time. You	2250	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.	2251	I<MUST> call C<leave_link> as soon as possible, though.
1692		2252
		2253	Will never block.
		2254
1693	=item $player_object->leave_link ($map, $x, $y)	2255	=item $player_object->leave_link ($map, $x, $y)
1694		2256
1695	Moves the player out of the specila link map onto the given map. If the	2257	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2258	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2259	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2260	fails, to the emergency map position.
1699		2261
1700	Might block.	2262	Might block.
1701		2263
1702	=cut	2264	=cut
		2265
		2266	sub link_map {
		2267	unless ($LINK_MAP) {
		2268	$LINK_MAP = cf::map::find "{link}"
		2269	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2270	$LINK_MAP->load;
		2271	}
		2272
		2273	$LINK_MAP
		2274	}
1703		2275
1704	sub cf::object::player::enter_link {	2276	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2277	my ($self) = @_;
1706		2278
1707	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1708		2280
1709	return if $self->map == $LINK_MAP;	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2282
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1713		2285
1714	$self->enter_map ($LINK_MAP, 20, 20);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2287	}
1716		2288
1717	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1719		2293
1720	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1721		2295
1722	unless ($map) {	2296	unless ($map) {
1723	# restore original map position	2297	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1740		2314
1741	$map->load;	2315	$map->load;
1742	$map->load_diag;	2316	$map->load_neighbours;
1743		2317
1744	return unless $self->contr->active;	2318	return unless $self->contr->active;
1745	$self->activate_recursive;	2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1747	}	2323	}
1748		2324
1749	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2326
1753	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1757	};	2331	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2332
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	2333	=cut
		2334
		2335	our $GOTOGEN;
1784		2336
1785	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2339
1788	$path = new cf::path $path;	2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2342
1790	$self->enter_link;	2343	$self->enter_link;
1791		2344
1792	(async {	2345	(async {
		2346	my $map = eval {
1793	my $map = cf::map::find $path->as_string;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
1795		2351	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2352	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
1800		2355
		2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
		2362	}
		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1802	})->prio (1);	2370	})->prio (1);
1803	}	2371	}
1804		2372
1805	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1806		2374
…		…
1808		2376
1809	sub parse_random_map_params {	2377	sub parse_random_map_params {
1810	my ($spec) = @_;	2378	my ($spec) = @_;
1811		2379
1812	my $rmp = { # defaults	2380	my $rmp = { # defaults
1813	xsize => 10,	2381	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2382	ysize => (cf::rndm 15, 40),
		2383	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2384	#layout => string,
1815	};	2385	};
1816		2386
1817	for (split /\n/, $spec) {	2387	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2388	my ($k, $v) = split /\s+/, $_, 2;
1819		2389
…		…
1823	$rmp	2393	$rmp
1824	}	2394	}
1825		2395
1826	sub prepare_random_map {	2396	sub prepare_random_map {
1827	my ($exit) = @_;	2397	my ($exit) = @_;
		2398
		2399	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2400
1829	# all this does is basically replace the /! path by	2401	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2402	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2403	# that depends on the exit object
1832		2404
1833	my $rmp = parse_random_map_params $exit->msg;	2405	my $rmp = parse_random_map_params $exit->msg;
1834		2406
1835	if ($exit->map) {	2407	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2408	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2409	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2410	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2411	$rmp->{origin_y} = $exit->y;
1840	}	2412	}
1841		2413
1842	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1843		2415
1844	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
		2418	my $meta = "$RANDOMDIR/$md5.meta";
1846		2419
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
		2422	undef $fh;
		2423	aio_rename "$meta~", $meta;
1849		2424
1850	$exit->slaying ("?random/$md5");	2425	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2426	$exit->msg (undef);
1852	}	2427	}
1853	}	2428	}
…		…
1855	sub cf::object::player::enter_exit {	2430	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2431	my ($self, $exit) = @_;
1857		2432
1858	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1859		2434
		2435	if ($exit->slaying eq "/!") {
		2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
		2439	cf::sync_job { prepare_random_map $exit };
		2440	}
		2441
		2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2443	my $hp = $exit->stats->hp;
		2444	my $sp = $exit->stats->sp;
		2445
1860	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1861		2451
1862	(async {	2452	(async {
1863	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2454	unless (eval {
1865	prepare_random_map $exit	2455	$self->goto ($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		2456
1871	1;	2457	1;
1872	}) {	2458	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2461	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2463
1878	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2465	$self->leave_link;
1880	}	2466	}
1881	})->prio (1);	2467	})->prio (1);
…		…
1894		2480
1895	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
1897		2483
1898	utf8::encode $text;	2484	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2486	}
1901		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
1902		2586
1903	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
1904		2588
1905	Queues a query to the client, calling the given callback with	2589	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>,	2590	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>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2592
1909	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2594	become reliable at some point in the future.
1911		2595
1912	=cut	2596	=cut
1913		2597
1914	sub cf::client::query {	2598	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2607	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2609
1926	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
1928	}	2614	}
1929		2615
1930	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
1931	on_reply => sub {	2622	on_reply => sub {
1932	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
1933		2624
1934	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
1935	# get handled first	2626	# get handled first
1936	my $queue = delete $ns->{query_queue}	2627	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2628	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2629
1939	(shift @$queue)->[1]->($msg);	2630	(shift @$queue)->[1]->($msg);
		2631	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2632
1941	push @{ $ns->{query_queue} }, @$queue;	2633	push @{ $ns->{query_queue} }, @$queue;
1942		2634
1943	if (@{ $ns->{query_queue} } == @$queue) {	2635	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2636	if (@$queue) {
…		…
1946	} else {	2638	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2640	}
1949	}	2641	}
1950	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
1951	);	2669	);
1952		2670
1953	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
1954		2672
1955	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
1998		2716
1999	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2000		2718
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2002		2724
2003	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2004		2726
2005	=pod	2727	=pod
2006		2728
2007	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2008		2730
2009	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2010	cf::object::player player	2735	cf::object::player
2011	cf::player peaceful	2736	player
2012	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2013		2743
2014	=cut	2744	=cut
2015		2745
2016	for (	2746	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2018	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2021	) {	2752	) {
2022	no strict 'refs';	2753	no strict 'refs';
…		…
2093	=back	2824	=back
2094		2825
2095	=cut	2826	=cut
2096		2827
2097	#############################################################################	2828	#############################################################################
		2829	# the server's init and main functions
2098		2830
2099	=head2 EXTENSION DATABASE SUPPORT	2831	sub load_facedata($) {
		2832	my ($path) = @_;
2100		2833
2101	Crossfire maintains a very simple database for extension use. It can	2834	my $enc = JSON::XS->new->utf8->canonical;
2102	currently store anything that can be serialised using Storable, which
2103	excludes objects.
2104		2835
2105	The parameter C<$family> should best start with the name of the extension	2836	warn "loading facedata from $path\n";
2106	using it, it should be unique.
2107		2837
2108	=over 4	2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
2109		2841
2110	=item $hashref = cf::db_get $family	2842	$facedata = Coro::Storable::thaw $facedata;
2111		2843
2112	Return a hashref for use by the extension C<$family>, which can be	2844	$facedata->{version} == 2
2113	modified. After modifications, you have to call C<cf::db_dirty> or	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2114	C<cf::db_sync>.
2115		2846
2116	=item $value = cf::db_get $family => $key	2847	# patch in the exptable
2117		2848	$facedata->{resource}{"res/exp_table"} = {
2118	Returns a single value from the database	2849	type => FT_RSRC,
2119		2850	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	});	2851	};
		2852	cf::cede_to_tick;
2171		2853
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	2854	{
		2855	my $faces = $facedata->{faceinfo};
2176		2856
2177	sub db_get($;$) {	2857	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	2859	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	2860	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		2863
2183	sub db_put($$;$) {	2864	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	},	2865	}
2197	);
2198	}
2199		2866
2200	#############################################################################	2867	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
		2997	}
2202		2998
2203	sub cfg_load {	2999	sub cfg_load {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3001	or return;
2206		3002
2207	local $/;	3003	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2209		3005
…		…
2223		3019
2224	sub main {	3020	sub main {
2225	# we must not ever block the main coroutine	3021	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3022	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3023	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3024	(async {
2228	async { Event::one_event };	3025	Event::one_event;
		3026	})->prio (Coro::PRIO_MAX);
2229	};	3027	};
2230		3028
2231	cfg_load;	3029	cfg_load;
2232	db_load;	3030	db_init;
2233	load_extensions;	3031	load_extensions;
		3032
		3033	$TICK_WATCHER->start;
2234	Event::loop;	3034	Event::loop;
2235	}	3035	}
2236		3036
2237	#############################################################################	3037	#############################################################################
2238	# initialisation and cleanup	3038	# initialisation and cleanup
2239		3039
2240	# install some emergency cleanup handlers	3040	# install some emergency cleanup handlers
2241	BEGIN {	3041	BEGIN {
2242	for my $signal (qw(INT HUP TERM)) {	3042	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3043	Event->signal (
		3044	reentrant => 0,
2244	data => WF_AUTOCANCEL,	3045	data => WF_AUTOCANCEL,
2245	signal => $signal,	3046	signal => $signal,
		3047	prio => 0,
2246	cb => sub {	3048	cb => sub {
2247	cf::cleanup "SIG$signal";	3049	cf::cleanup "SIG$signal";
2248	},	3050	},
2249	);	3051	);
2250	}	3052	}
2251	}	3053	}
2252		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2253	sub emergency_save() {	3093	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2255		3095
2256	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2257		3097
2258	cf::sync_job {	3098	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3099	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3100	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3101	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3102	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3103	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3104	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3105	$pl->valid or next;
2266	$pl->save;	3106	$pl->save;
…		…
2272	my $map = $cf::MAP{$path} or next;	3112	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3113	$map->valid or next;
2274	$map->save;	3114	$map->save;
2275	}	3115	}
2276	warn "end emergency map save\n";	3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
2277	};	3121	};
2278		3122
2279	warn "leave emergency perl save\n";	3123	warn "leave emergency perl save\n";
2280	}	3124	}
2281		3125
		3126	sub post_cleanup {
		3127	my ($make_core) = @_;
		3128
		3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
		3132
2282	sub reload() {	3133	sub do_reload_perl() {
2283	# can/must only be called in main	3134	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3136	warn "can only reload from main coroutine";
2286	return;	3137	return;
2287	}	3138	}
2288		3139
2289	warn "reloading...";	3140	warn "reloading...";
2290		3141
2291	warn "freezing server";	3142	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
2294		3148
2295	warn "sync database to disk";	3149	warn "syncing database to disk";
2296	cf::db_sync;	3150	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3151
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3152	# if anything goes wrong in here, we should simply crash as we already saved
2301		3153
2302	warn "cancel all watchers";	3154	warn "cancelling all WF_AUTOCANCEL watchers";
2303	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
2305	}	3157	}
2306		3158
		3159	warn "flushing outstanding aio requests";
		3160	for (;;) {
		3161	BDB::flush;
		3162	IO::AIO::flush;
		3163	Coro::cede;
		3164	last unless IO::AIO::nreqs || BDB::nreqs;
		3165	warn "iterate...";
		3166	}
		3167
		3168	++$RELOAD;
		3169
2307	warn "cancel all extension coros";	3170	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3171	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3172	%EXT_CORO = ();
2310		3173
2311	warn "remove commands";	3174	warn "removing commands";
2312	%COMMAND = ();	3175	%COMMAND = ();
2313		3176
2314	warn "remove ext commands";	3177	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2316		3180
2317	warn "unload/nuke all extensions";	3181	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3183	warn "... unloading $pkg";
2320		3184
2321	if (my $cb = $pkg->can ("unload")) {	3185	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3186	eval {
2323	$cb->($pkg);	3187	$cb->($pkg);
2324	1	3188	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3189	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3190	}
2327		3191
		3192	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3193	Symbol::delete_package $pkg;
2329	}	3194	}
2330		3195
2331	warn "unload all perl modules loaded from $LIBDIR";	3196	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3197	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3198	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3199
2335	warn "removing <$k>";	3200	warn "... unloading $k";
2336	delete $INC{$k};	3201	delete $INC{$k};
2337		3202
2338	$k =~ s/\.pm$//;	3203	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3204	$k =~ s/\//::/g;
2340		3205
…		…
2343	}	3208	}
2344		3209
2345	Symbol::delete_package $k;	3210	Symbol::delete_package $k;
2346	}	3211	}
2347		3212
2348	warn "get rid of safe::, as good as possible";	3213	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3216
2352	warn "unload cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2354		3220
2355	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3222	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2358		3224
		3225	warn "unload completed, starting to reload now";
		3226
2359	warn "reloading cf.pm";	3227	warn "reloading cf.pm";
2360	require cf;	3228	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3230
2363	warn "load config and database again";	3231	warn "loading config and database again";
2364	cf::cfg_load;	3232	cf::cfg_load;
2365	cf::db_load;
2366		3233
2367	warn "load extensions";	3234	warn "loading extensions";
2368	cf::load_extensions;	3235	cf::load_extensions;
2369		3236
2370	warn "reattach attachments to objects/players";	3237	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3238	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3239	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
2374	};	3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
2375		3243
2376	if ($@) {	3244	warn "leaving sync_job";
		3245
		3246	1
		3247	} or do {
2377	warn $@;	3248	warn $@;
2378	warn "error while reloading, exiting.";	3249	warn "error while reloading, exiting.";
2379	exit 1;	3250	exit 1;
2380	}	3251	};
2381		3252
2382	warn "reloaded";	3253	warn "reloaded";
2383	};	3254	};
2384		3255
2385	#############################################################################	3256	our $RELOAD_WATCHER; # used only during reload
2386		3257
2387	unless ($LINK_MAP) {	3258	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
2389		3261
2390	$LINK_MAP->width (41);	3262	$RELOAD_WATCHER ||= Event->timer (
2391	$LINK_MAP->height (41);	3263	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,	3264	after => 0,
		3265	data => WF_AUTOCANCEL,
2400	cb => sub {	3266	cb => sub {
2401	$_[0]->w->cancel;	3267	do_reload_perl;
2402		3268	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	});	3269	},
2421		3270	);
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3271	}
2427		3272
2428	register_command "reload" => sub {	3273	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2430		3275
2431	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3277	$who->message ("reloading server.");
		3278	async { reload_perl };
2435	}	3279	}
2436	};	3280	};
2437		3281
2438	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2439		3283
		3284	my $bug_warning = 0;
		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2440	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2441	reentrant => 0,	3310	reentrant => 0,
		3311	parked => 1,
2442	prio => 0,	3312	prio => 0,
2443	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
2444	data => WF_AUTOCANCEL,	3314	data => WF_AUTOCANCEL,
2445	cb => sub {	3315	cb => sub {
		3316	if ($Coro::current != $Coro::main) {
		3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3318	unless ++$bug_warning > 10;
		3319	return;
		3320	}
		3321
		3322	$NOW = $tick_start = Event::time;
		3323
2446	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2447	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2449		3351
2450	$WAIT_FOR_TICK->broadcast;	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3354	Coro::async_pool {
		3355	write_runtime
		3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
		3358	}
		3359
		3360	# my $AFTER = Event::time;
		3361	# warn $AFTER - $NOW;#d#
		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
2452		3371
2453	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2455		3374
2456	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2458	},	3384	},
2459	);	3385	);
2460		3386
		3387	{
2461	IO::AIO::max_poll_time $TICK * 0.2;	3388	BDB::max_poll_time $TICK * 0.1;
2462		3389	$BDB_POLL_WATCHER = Event->io (
2463	Event->io (	3390	reentrant => 0,
2464	fd => IO::AIO::poll_fileno,	3391	fd => BDB::poll_fileno,
2465	poll => 'r',	3392	poll => 'r',
2466	prio => 5,	3393	prio => 0,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,	3394	data => WF_AUTOCANCEL,
2473	after => 0,	3395	cb => \&BDB::poll_cb,
2474	interval => 10,	3396	);
2475	cb => sub {	3397	BDB::min_parallel 8;
2476	(Coro::unblock_sub {	3398
2477	write_runtime	3399	BDB::set_sync_prepare {
2478	or warn "ERROR: unable to write runtime file: $!";	3400	my $status;
		3401	my $current = $Coro::current;
		3402	(
		3403	sub {
		3404	$status = $!;
		3405	$current->ready; undef $current;
		3406	},
		3407	sub {
		3408	Coro::schedule while defined $current;
		3409	$! = $status;
		3410	},
		3411	)
		3412	};
		3413
		3414	unless ($DB_ENV) {
		3415	$DB_ENV = BDB::db_env_create;
		3416
		3417	cf::sync_job {
		3418	eval {
		3419	BDB::db_env_open
		3420	$DB_ENV,
		3421	$BDBDIR,
		3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3424	0666;
		3425
		3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3427
		3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
2479	})->();	3433	};
2480	},	3434	}
2481	);	3435	}
		3436
		3437	{
		3438	IO::AIO::min_parallel 8;
		3439
		3440	undef $Coro::AIO::WATCHER;
		3441	IO::AIO::max_poll_time $TICK * 0.1;
		3442	$AIO_POLL_WATCHER = Event->io (
		3443	reentrant => 0,
		3444	data => WF_AUTOCANCEL,
		3445	fd => IO::AIO::poll_fileno,
		3446	poll => 'r',
		3447	prio => 6,
		3448	cb => \&IO::AIO::poll_cb,
		3449	);
		3450	}
		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
2482		3492
2483	END { cf::emergency_save }	3493	END { cf::emergency_save }
2484		3494
2485	1	3495	1
2486		3496

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines