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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.161 by root, Thu Jan 11 00:16:58 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	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 $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	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
98	every server tick.	133	every server tick.
99		134
100	=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
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	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.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	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.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	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
121	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
122	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.
123	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.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@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';
146	@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)
147		204
148	# 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
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$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;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
225	returned.	275	returned.
226		276
227	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
228	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
229		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
230	=cut	284	=cut
231		285
232	our %LOCK;	286	our %LOCK;
233		287
234	sub lock_wait($) {	288	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
255	}	309	}
256	}	310	}
257		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
258	sub freeze_mainloop {	318	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
260		320
261	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
262	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
263	$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;
264	}	382	}
265		383
266	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
267		385
268	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		391
274	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
275		393
276	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
277		395
278	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)
279	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
280	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.
281		400
282	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
283	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
284	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
285	fast or be very important.	404	fast or be very important.
…		…
288		407
289	sub sync_job(&) {	408	sub sync_job(&) {
290	my ($job) = @_;	409	my ($job) = @_;
291		410
292	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
293	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
295		416
296	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
308		429
309	while ($busy) {	430	while ($busy) {
310	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
311	}	432	}
312		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
313	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
314	} else {	442	} else {
315	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
316		444
317	$job->()	445	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
337		465
338	$coro	466	$coro
339	}	467	}
340		468
341	sub write_runtime {	469	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		470
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
345	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.
346		475
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		477
351	aio_fsync $fh	478	sub fork_call(&@) {
352	and return;	479	my ($cb, @args) = @_;
353		480
354	close $fh	481	# we seemingly have to make a local copy of the whole thing,
355	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
358	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		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	};
360	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 });
361	}	618	}
362		619
363	=back	620	=back
364		621
365	=cut	622	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477	$path
478	}
479
480	# the original (read-only) location
481	sub load_path {
482	my ($self) = @_;
483
484	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
485	}
486
487	# the temporary/swap location
488	sub save_path {
489	my ($self) = @_;
490
491	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
492	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
493	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
494	}
495
496	# the unique path, undef == no special unique path
497	sub uniq_path {
498	my ($self) = @_;
499
500	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
501	}
502
503	# this is somewhat ugly, but style maps do need special treatment
504	sub is_style_map {
505	$_[0]{path} =~ m{^/styles/}
506	}
507
508	sub load_orig {
509	my ($self) = @_;
510
511	&cf::map::load_map_header ($self->load_path)
512	}
513
514	sub load_temp {
515	my ($self) = @_;
516
517	&cf::map::load_map_header ($self->save_path)
518	}
519
520	package cf;
521		623
522	#############################################################################	624	#############################################################################
523		625
524	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
525		627
…		…
527	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")
528	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
529		631
530	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>
531	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
532	crossfire+).	634	Crossfire TRT).
533		635
534	=over 4	636	=over 4
535		637
536	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
537		639
…		…
651	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
652	our @CB_MAP = ();	754	our @CB_MAP = ();
653		755
654	my %attachment;	756	my %attachment;
655		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
656	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
657	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
658		766
659	use sort 'stable';	767	use sort 'stable';
660		768
…		…
694	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
695		803
696	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
697	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
698	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
699	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
700		808
701	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
702	my $pkg = shift @arg;	810	my $pkg = shift @arg;
703		811
704	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
733	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
734	}	842	}
735		843
736	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
737	} else {	845	} else {
738	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
739	}	847	}
740		848
741	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
742	}	850	}
743		851
…		…
745	if (ref $_[0]) {	853	if (ref $_[0]) {
746	_object_attach @_;	854	_object_attach @_;
747	} else {	855	} else {
748	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
749	}	857	}
		858	_recalc_want;
750	};	859	};
751		860
752	# all those should be optimised	861	# all those should be optimised
753	sub cf::attachable::detach {	862	sub cf::attachable::detach {
754	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
757	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
758	reattach ($obj);	867	reattach ($obj);
759	} else {	868	} else {
760	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
761	}	870	}
		871	_recalc_want;
762	};	872	};
763		873
764	sub cf::attachable::attached {	874	sub cf::attachable::attached {
765	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
766		876
…		…
781	";	891	";
782	die if $@;	892	die if $@;
783	}	893	}
784		894
785	our $override;	895	our $override;
786	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?
787		897
788	sub override {	898	sub override {
789	$override = 1;	899	$override = 1;
790	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
791	}	901	}
792		902
793	sub do_invoke {	903	sub do_invoke {
794	my $event = shift;	904	my $event = shift;
795	my $callbacks = shift;	905	my $callbacks = shift;
796		906
797	@invoke_results = ();	907	@INVOKE_RESULTS = ();
798		908
799	local $override;	909	local $override;
800		910
801	for (@$callbacks) {	911	for (@$callbacks) {
802	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
819		929
820	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
821		931
822	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
823	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
824	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
825		935
826	=back	936	=back
827		937
828	=cut	938	=cut
829		939
830	#############################################################################	940	#############################################################################
831	# 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	}
832		953
833	sub reattach {	954	sub reattach {
834	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
835	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
836		959
837	my $registry = $obj->registry;	960	my $registry = $obj->registry;
838		961
839	@$registry = ();	962	@$registry = ();
840		963
…		…
887	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
888		1011
889	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
890	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
891	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
892	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
893	close $fh;	1016	close $fh;
894		1017
895	if (@$objs) {	1018	if (@$objs) {
896	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) {
897	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
898	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
899	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
900	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
901	close $fh;	1024	close $fh;
902	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
903	}	1026	}
904	} else {	1027	} else {
905	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
937	or return;	1060	or return;
938	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
939	}	1062	}
940		1063
941	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
942	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
943	return ($data, $av);	1066	return ($data, $av);
944	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
945		1074
946	#############################################################################	1075	#############################################################################
947	# command handling &c	1076	# command handling &c
948		1077
949	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
962	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
963	}	1092	}
964		1093
965	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
966		1095
967	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.
968		1101
969	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
970	called.	1103	called.
971		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
972	=cut	1116	=cut
973		1117
974	sub register_extcmd {	1118	sub register_extcmd {
975	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
976		1120
977	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
978	}	1128	}
979		1129
980	cf::player->attach (	1130	cf::player->attach (
981	on_command => sub {	1131	on_command => sub {
982	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
991	cf::override;	1141	cf::override;
992	},	1142	},
993	on_extcmd => sub {	1143	on_extcmd => sub {
994	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
995		1145
996	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
997		1147
998	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
999	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
1000	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
1001	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
1002	}	1158	if $reply;
1003	}	1159	}
1004	} else {	1160	} else {
1005	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1006	}	1162	}
1007		1163
1008	cf::override;	1164	cf::override;
1009	},	1165	},
1010	);	1166	);
1011		1167
1012	sub load_extension {
1013	my ($path) = @_;
1014
1015	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1016	my $base = $1;
1017	my $pkg = $1;
1018	$pkg =~ s/[^[:word:]]/_/g;
1019	$pkg = "ext::$pkg";
1020
1021	warn "... loading '$path' into '$pkg'\n";
1022
1023	open my $fh, "<:utf8", $path
1024	or die "$path: $!";
1025
1026	my $source =
1027	"package $pkg; use strict; use utf8;\n"
1028	. "#line 1 \"$path\"\n{\n"
1029	. (do { local $/; <$fh> })
1030	. "\n};\n1";
1031
1032	eval $source
1033	or die $@ ? "$path: $@\n"
1034	: "extension disabled.\n";
1035
1036	push @EXTS, $pkg;
1037	}
1038
1039	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1040	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1041	next unless -r $ext;	1173	next unless -r $path;
1042	eval {	1174
1043	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
1044	1	1232	}
1045	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1046	}	1238	};
1047	}	1239	}
1048		1240
1049	#############################################################################	1241	#############################################################################
1050	# load/save/clean perl data associated with a map
1051		1242
1052	*cf::mapsupport::on_clean = sub {	1243	=back
1053	my ($map) = @_;
1054
1055	my $path = $map->tmpname;
1056	defined $path or return;
1057
1058	unlink "$path.pst";
1059	};
1060
1061	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1062
1063	#############################################################################
1064		1244
1065	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1066		1246
1067	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1068		1248
…		…
1081	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1082		1262
1083	=cut	1263	=cut
1084		1264
1085	sub playerdir($) {	1265	sub playerdir($) {
1086	cf::localdir	1266	"$PLAYERDIR/"
1087	. "/"
1088	. cf::playerdir
1089	. "/"
1090	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1091	}	1268	}
1092		1269
1093	sub path($) {	1270	sub path($) {
1094	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095		1272
1096	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1097	}	1274	}
1098		1275
1099	sub find_active($) {	1276	sub find_active($) {
1100	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1101	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1104		1281
1105	sub exists($) {	1282	sub exists($) {
1106	my ($login) = @_;	1283	my ($login) = @_;
1107		1284
1108	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1109	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1110	}	1287	}
1111		1288
1112	sub find($) {	1289	sub find($) {
1113	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1114	my $login = $_[0];	1291	my $login = $_[0];
1115		1292
1116	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1117		1294
1118	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
1119	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1120	or return;	1304	or return;
1121	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1122	}	1306	}
1123	}	1307	}
…		…
1151	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1152		1336
1153	$self	1337	$self
1154	}	1338	}
1155		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1156	=item $pl->quit_character	1350	=item $pl->quit_character
1157		1351
1158	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1159	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1160		1354
1161	=cut	1355	=cut
1162		1356
1163	sub quit_character {	1357	sub quit_character {
1164	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1165		1361
1166	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1167	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1168		1364
1169	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1174	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1175	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1176	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1177	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1178	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1179	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1180	}	1396	}
1181		1397
1182	=item cf::player::list_logins	1398	=item cf::player::list_logins
1183		1399
1184	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1185	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1186		1402
1187	=cut	1403	=cut
1188		1404
1189	sub list_logins {	1405	sub list_logins {
1190	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1191	or return [];	1407	or return [];
1192		1408
1193	my @logins;	1409	my @logins;
1194		1410
1195	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1204	\@logins	1420	\@logins
1205	}	1421	}
1206		1422
1207	=item $player->maps	1423	=item $player->maps
1208		1424
1209	Returns an arrayref of cf::path's of all maps that are private for this	1425	Returns an arrayref of map paths that are private for this
1210	player. May block.	1426	player. May block.
1211		1427
1212	=cut	1428	=cut
1213		1429
1214	sub maps($) {	1430	sub maps($) {
1215	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1216		1434
1217	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1218	or return;	1436	or return;
1219		1437
1220	my @paths;	1438	my @paths;
…		…
1222	for (@$files) {	1440	for (@$files) {
1223	utf8::decode $_;	1441	utf8::decode $_;
1224	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1225	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1226		1444
1227	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1228	}	1446	}
1229		1447
1230	\@paths	1448	\@paths
1231	}	1449	}
1232		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1233	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1234		1502
1235	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1236		1504
1237	=cut	1505	=cut
1238		1506
1239	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1240	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1241		1509
1242	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1243		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1244	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1245	}	1517	}
1246		1518
1247	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1248		1559
1249	=back	1560	=back
1250
1251		1561
1252	=head3 cf::map	1562	=head3 cf::map
1253		1563
1254	=over 4	1564	=over 4
1255		1565
…		…
1258	package cf::map;	1568	package cf::map;
1259		1569
1260	use Fcntl;	1570	use Fcntl;
1261	use Coro::AIO;	1571	use Coro::AIO;
1262		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1263	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1264	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1265		1579
1266	sub generate_random_map {	1580	sub generate_random_map {
1267	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1268
1269	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1270	cf::map::_create_random_map	1583	$self->_create_random_map (
1271	$path,
1272	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1273	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1274	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1275	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1276	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1277	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1278	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1279	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1280	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1281	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1282	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1283	}	1723	}
1284		1724
1285	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1286	# all maps in C++...	1726	# all maps in C++...
1287	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1289		1729
1290	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1291	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1292	}	1732	}
1293		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1294	sub load_map_header($) {	1750	sub load_header_from($) {
1295	my ($path) = @_;	1751	my ($self, $path) = @_;
1296		1752
1297	utf8::encode $path;	1753	utf8::encode $path;
1298	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1299	or return;	1758	or return;
1300		1759
1301	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1302	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1303		1806
1304	# for better error messages only, will be overwritten later	1807	$self->{deny_reset} = 1
1305	$map->path ($path);	1808	if $self->no_reset;
1306		1809
1307	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1308	or return;	1811	unless $self->default_region;
1309		1812
1310	$map->{load_path} = $path;	1813	1
1311
1312	$map
1313	}	1814	}
1314		1815
1315	sub find;	1816	sub find;
1316	sub find {	1817	sub find {
1317	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1318		1819
1319	#warn "find<$path,$origin>\n";#d#
1320
1321	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1322	my $key = $path->as_string;
1323		1821
1324	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1325		1823
1326	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1327	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1328		1826	my $map = new_from_path cf::map $path
1329	# do it the slow way
1330	my $map = $path->load_temp;
1331
1332	Coro::cede;
1333
1334	if ($map) {
1335	$map->last_access ((delete $map->{last_access})
1336	|| $cf::RUNTIME); #d#
1337	# safety
1338	$map->{instantiate_time} = $cf::RUNTIME
1339	if $map->{instantiate_time} > $cf::RUNTIME;
1340	} else {
1341	$map = $path->load_orig
1342	or return;	1827	or return;
1343		1828
1344	$map->{load_original} = 1;
1345	$map->{instantiate_time} = $cf::RUNTIME;
1346	$map->last_access ($cf::RUNTIME);
1347	$map->instantiate;
1348
1349	# per-player maps become, after loading, normal maps
1350	$map->per_player (0) if $path->{user_rel};
1351	}
1352
1353	$map->path ($key);
1354	$map->{path} = $path;
1355	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1356		1830
1357	Coro::cede;	1831	$map->load_header
		1832	or return;
1358		1833
1359	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1360	$map->reset;	1837	$map->reset;
1361	undef $guard;	1838	undef $guard;
1362	$map = find $path	1839	return find $path;
1363	or return;
1364	}	1840	}
1365		1841
1366	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1367	}	1843	}
1368	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1369		1848
1370	sub load {	1849	sub load {
1371	my ($self) = @_;	1850	my ($self) = @_;
1372		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1373	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1374	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1375		1858
1376	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1377		1860
1378	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1379		1862
1380	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1381	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1382	or return;	1869	or return;
1383		1870
1384	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1385	if delete $self->{load_original};	1872	if delete $self->{load_original};
1386		1873
1387	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1388	utf8::encode $uniq;	1875	utf8::encode $uniq;
1389	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1390	$self->clear_unique_items;	1877	$self->clear_unique_items;
1391	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1392	}	1879	}
1393	}	1880	}
1394		1881
1395	Coro::cede;	1882	Coro::cede;
1396
1397	# now do the right thing for maps	1883	# now do the right thing for maps
1398	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1399
1400	if ($self->{path}->is_style_map) {
1401	$self->{deny_save} = 1;
1402	$self->{deny_reset} = 1;
1403	} else {
1404	$self->fix_auto_apply;
1405	$self->decay_objects;
1406	$self->update_buttons;
1407	$self->set_darkness_map;
1408	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1409	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1410	$self->activate;	1896	$self->activate;
1411	}	1897	}
1412		1898
1413	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1414		1901
1415	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
1416	}	1918	}
1417		1919
1418	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1419	sub load_diag {	1921	sub load_diag {
1420	my ($map) = @_;	1922	my ($map) = @_;
…		…
1450		1952
1451	cf::sync_job { $map->load };	1953	cf::sync_job { $map->load };
1452	}	1954	}
1453		1955
1454	our %MAP_PREFETCH;	1956	our %MAP_PREFETCH;
1455	our $MAP_PREFETCHER = Coro::async {	1957	our $MAP_PREFETCHER = undef;
1456	while () {
1457	while (%MAP_PREFETCH) {
1458	my $key = each %MAP_PREFETCH
1459	or next;
1460	my $path = delete $MAP_PREFETCH{$key};
1461
1462	my $map = find $path
1463	or next;
1464	$map->load;
1465	}
1466	Coro::schedule;
1467	}
1468	};
1469		1958
1470	sub find_async {	1959	sub find_async {
1471	my ($path, $origin) = @_;	1960	my ($path, $origin) = @_;
1472		1961
1473	$path = new cf::path $path, $origin && $origin->path;	1962	$path = normalise $path, $origin && $origin->{path};
1474	my $key = $path->as_string;
1475		1963
1476	if (my $map = $cf::MAP{$key}) {	1964	if (my $map = $cf::MAP{$path}) {
1477	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478	}	1966	}
1479		1967
1480	$MAP_PREFETCH{$key} = $path;	1968	undef $MAP_PREFETCH{$path};
		1969	$MAP_PREFETCHER ||= cf::async {
		1970	while (%MAP_PREFETCH) {
		1971	for my $path (keys %MAP_PREFETCH) {
		1972	if (my $map = find $path) {
		1973	$map->load;
		1974	}
		1975
		1976	delete $MAP_PREFETCH{$path};
		1977	}
		1978	}
		1979	undef $MAP_PREFETCHER;
		1980	};
1481	$MAP_PREFETCHER->ready;	1981	$MAP_PREFETCHER->prio (6);
1482		1982
1483	()	1983	()
1484	}	1984	}
1485		1985
1486	sub save {	1986	sub save {
…		…
1490		1990
1491	$self->{last_save} = $cf::RUNTIME;	1991	$self->{last_save} = $cf::RUNTIME;
1492		1992
1493	return unless $self->dirty;	1993	return unless $self->dirty;
1494		1994
1495	my $save = $self->{path}->save_path; utf8::encode $save;	1995	my $save = $self->save_path; utf8::encode $save;
1496	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1996	my $uniq = $self->uniq_path; utf8::encode $uniq;
1497		1997
1498	$self->{load_path} = $save;	1998	$self->{load_path} = $save;
1499		1999
1500	return if $self->{deny_save};	2000	return if $self->{deny_save};
1501		2001
…		…
1504	cf::async {	2004	cf::async {
1505	$_->contr->save for $self->players;	2005	$_->contr->save for $self->players;
1506	};	2006	};
1507		2007
1508	if ($uniq) {	2008	if ($uniq) {
1509	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1510	$self->save_objects ($uniq, cf::IO_UNIQUES);	2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1511	} else {	2011	} else {
1512	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1513	}	2013	}
1514	}	2014	}
1515		2015
1516	sub swap_out {	2016	sub swap_out {
1517	my ($self) = @_;	2017	my ($self) = @_;
…		…
1531		2031
1532	sub reset_at {	2032	sub reset_at {
1533	my ($self) = @_;	2033	my ($self) = @_;
1534		2034
1535	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1536	return 1e99 if $self->{path}{user_rel};
1537	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1538		2037
1539	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1540	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1541		2040
…		…
1546	my ($self) = @_;	2045	my ($self) = @_;
1547		2046
1548	$self->reset_at <= $cf::RUNTIME	2047	$self->reset_at <= $cf::RUNTIME
1549	}	2048	}
1550		2049
1551	sub unlink_save {
1552	my ($self) = @_;
1553
1554	utf8::encode (my $save = $self->{path}->save_path);
1555	aioreq_pri 3; IO::AIO::aio_unlink $save;
1556	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1557	}
1558
1559	sub rename {
1560	my ($self, $new_path) = @_;
1561
1562	$self->unlink_save;
1563
1564	delete $cf::MAP{$self->path};
1565	$self->{path} = new cf::path $new_path;
1566	$self->path ($self->{path}->as_string);
1567	$cf::MAP{$self->path} = $self;
1568
1569	$self->save;
1570	}
1571
1572	sub reset {	2050	sub reset {
1573	my ($self) = @_;	2051	my ($self) = @_;
1574		2052
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2054
1577	return if $self->players;	2055	return if $self->players;
1578	return if $self->{path}{user_rel};#d#
1579		2056
1580	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
		2058
		2059	$self->in_memory (cf::MAP_SWAPPED);
		2060
		2061	# need to save uniques path
		2062	unless ($self->{deny_save}) {
		2063	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2064
		2065	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2066	if $uniq;
		2067	}
1581		2068
1582	delete $cf::MAP{$self->path};	2069	delete $cf::MAP{$self->path};
		2070
		2071	$self->clear;
1583		2072
1584	$_->clear_links_to ($self) for values %cf::MAP;	2073	$_->clear_links_to ($self) for values %cf::MAP;
1585		2074
1586	$self->unlink_save;	2075	$self->unlink_save;
1587	$self->destroy;	2076	$self->destroy;
…		…
1590	my $nuke_counter = "aaaa";	2079	my $nuke_counter = "aaaa";
1591		2080
1592	sub nuke {	2081	sub nuke {
1593	my ($self) = @_;	2082	my ($self) = @_;
1594		2083
		2084	delete $cf::MAP{$self->path};
		2085
		2086	$self->unlink_save;
		2087
		2088	bless $self, "cf::map";
		2089	delete $self->{deny_reset};
1595	$self->{deny_save} = 1;	2090	$self->{deny_save} = 1;
1596	$self->reset_timeout (1);	2091	$self->reset_timeout (1);
1597	$self->rename ("{nuke}/" . ($nuke_counter++));	2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2093
		2094	$cf::MAP{$self->path} = $self;
		2095
1598	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1599	}	2097	}
1600		2098
1601	sub customise_for {	2099	=item $maps = cf::map::tmp_maps
1602	my ($map, $ob) = @_;
1603		2100
1604	if ($map->per_player) {	2101	Returns an arrayref with all map paths of currently instantiated and saved
1605	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
1606	}	2107	[
		2108	map {
		2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
		2115	}
1607		2116
1608	$map	2117	=item $maps = cf::map::random_maps
		2118
		2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
		2121
		2122	=cut
		2123
		2124	sub random_maps() {
		2125	[
		2126	map {
		2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
1609	}	2133	}
1610		2134
1611	=item cf::map::unique_maps	2135	=item cf::map::unique_maps
1612		2136
1613	Returns an arrayref of cf::path's of all shared maps that have	2137	Returns an arrayref of paths of all shared maps that have
1614	instantiated unique items. May block.	2138	instantiated unique items. May block.
1615		2139
1616	=cut	2140	=cut
1617		2141
1618	sub unique_maps() {	2142	sub unique_maps() {
1619	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2143	[
1620	or return;	2144	map {
1621
1622	my @paths;
1623
1624	for (@$files) {
1625	utf8::decode $_;	2145	utf8::decode $_;
1626	next if /\.pst$/;	2146	/\.map$/
1627	next unless /^$PATH_SEP/o;	2147	? normalise $_
1628		2148	: ()
1629	push @paths, new cf::path $_;	2149	} @{ aio_readdir $UNIQUEDIR or [] }
1630	}	2150	]
1631
1632	\@paths
1633	}	2151	}
1634		2152
1635	package cf;	2153	package cf;
1636		2154
1637	=back	2155	=back
…		…
1683		2201
1684	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1685		2203
1686	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1687	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1688	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1689	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1690	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1691	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1692	}	2229	}
1693		2230
1694	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1695		2232
1696	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1709		2246
1710	=item $player_object->enter_link	2247	=item $player_object->enter_link
1711		2248
1712	Freezes the player and moves him/her to a special map (C<{link}>).	2249	Freezes the player and moves him/her to a special map (C<{link}>).
1713		2250
1714	The player should be reaosnably safe there for short amounts of time. You	2251	The player should be reasonably safe there for short amounts of time. You
1715	I<MUST> call C<leave_link> as soon as possible, though.	2252	I<MUST> call C<leave_link> as soon as possible, though.
1716		2253
		2254	Will never block.
		2255
1717	=item $player_object->leave_link ($map, $x, $y)	2256	=item $player_object->leave_link ($map, $x, $y)
1718		2257
1719	Moves the player out of the specila link map onto the given map. If the	2258	Moves the player out of the special C<{link}> map onto the specified
1720	map is not valid (or omitted), the player will be moved back to the	2259	map. If the map is not valid (or omitted), the player will be moved back
1721	location he/she was before the call to C<enter_link>, or, if that fails,	2260	to the location he/she was before the call to C<enter_link>, or, if that
1722	to the emergency map position.	2261	fails, to the emergency map position.
1723		2262
1724	Might block.	2263	Might block.
1725		2264
1726	=cut	2265	=cut
		2266
		2267	sub link_map {
		2268	unless ($LINK_MAP) {
		2269	$LINK_MAP = cf::map::find "{link}"
		2270	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2271	$LINK_MAP->load;
		2272	}
		2273
		2274	$LINK_MAP
		2275	}
1727		2276
1728	sub cf::object::player::enter_link {	2277	sub cf::object::player::enter_link {
1729	my ($self) = @_;	2278	my ($self) = @_;
1730		2279
1731	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1732		2281
1733	return if $self->map == $LINK_MAP;	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1734		2283
1735	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1736	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1737		2286
1738	$self->enter_map ($LINK_MAP, 20, 20);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1739	}	2288	}
1740		2289
1741	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1742	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1743		2294
1744	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1745		2296
1746	unless ($map) {	2297	unless ($map) {
1747	# restore original map position	2298	# restore original map position
…		…
1765	$map->load;	2316	$map->load;
1766	$map->load_diag;	2317	$map->load_diag;
1767		2318
1768	return unless $self->contr->active;	2319	return unless $self->contr->active;
1769	$self->activate_recursive;	2320	$self->activate_recursive;
		2321
		2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1770	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1771	}	2324	}
1772		2325
1773	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1774	on_logout => sub {
1775	my ($pl) = @_;
1776		2327
1777	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1778	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1779	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1780	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1781	};	2332	be called at the end of this process.
1782	}
1783	},
1784	on_login => sub {
1785	my ($pl) = @_;
1786		2333
1787	# try to abort aborted map switching on player login :)
1788	# should happen only on crashes
1789	if ($pl->ob->{_link_pos}) {
1790	$pl->ob->enter_link;
1791	(async {
1792	# we need this sleep as the login has a concurrent enter_exit running
1793	# and this sleep increases chances of the player not ending up in scorn
1794	$pl->ob->reply (undef,
1795	"There was an internal problem at your last logout, "
1796	. "the server will try to bring you to your intended destination in a second.",
1797	cf::NDI_RED);
1798	Coro::Timer::sleep 1;
1799	$pl->ob->leave_link;
1800	})->prio (2);
1801	}
1802	},
1803	);
1804
1805	=item $player_object->goto ($path, $x, $y)
1806
1807	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1808		2337
1809	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1810	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
1811		2340
1812	$path = new cf::path $path;	2341	# do generation counting so two concurrent goto's will be executed in-order
		2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1813		2343
1814	$self->enter_link;	2344	$self->enter_link;
1815		2345
1816	(async {	2346	(async {
		2347	my $map = eval {
1817	my $map = cf::map::find $path->as_string;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1818	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
1819		2352	$map = $check->($map) if $check && $map;
1820	# warn "entering ", $map->path, " at ($x, $y)\n"	2353	} else {
1821	# if $map;
1822
1823	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
1824		2356
		2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
		2363	}
		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1825	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1826	})->prio (1);	2371	})->prio (1);
1827	}	2372	}
1828		2373
1829	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1830		2375
…		…
1832		2377
1833	sub parse_random_map_params {	2378	sub parse_random_map_params {
1834	my ($spec) = @_;	2379	my ($spec) = @_;
1835		2380
1836	my $rmp = { # defaults	2381	my $rmp = { # defaults
1837	xsize => 10,	2382	xsize => (cf::rndm 15, 40),
1838	ysize => 10,	2383	ysize => (cf::rndm 15, 40),
		2384	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2385	#layout => string,
1839	};	2386	};
1840		2387
1841	for (split /\n/, $spec) {	2388	for (split /\n/, $spec) {
1842	my ($k, $v) = split /\s+/, $_, 2;	2389	my ($k, $v) = split /\s+/, $_, 2;
1843		2390
…		…
1847	$rmp	2394	$rmp
1848	}	2395	}
1849		2396
1850	sub prepare_random_map {	2397	sub prepare_random_map {
1851	my ($exit) = @_;	2398	my ($exit) = @_;
		2399
		2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
1852		2401
1853	# all this does is basically replace the /! path by	2402	# all this does is basically replace the /! path by
1854	# a new random map path (?random/...) with a seed	2403	# a new random map path (?random/...) with a seed
1855	# that depends on the exit object	2404	# that depends on the exit object
1856		2405
1857	my $rmp = parse_random_map_params $exit->msg;	2406	my $rmp = parse_random_map_params $exit->msg;
1858		2407
1859	if ($exit->map) {	2408	if ($exit->map) {
1860	$rmp->{region} = $exit->map->region_name;	2409	$rmp->{region} = $exit->region->name;
1861	$rmp->{origin_map} = $exit->map->path;	2410	$rmp->{origin_map} = $exit->map->path;
1862	$rmp->{origin_x} = $exit->x;	2411	$rmp->{origin_x} = $exit->x;
1863	$rmp->{origin_y} = $exit->y;	2412	$rmp->{origin_y} = $exit->y;
1864	}	2413	}
1865		2414
1866	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1867		2416
1868	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1869	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
		2419	my $meta = "$RANDOMDIR/$md5.meta";
1870		2420
1871	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1872	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
		2423	undef $fh;
		2424	aio_rename "$meta~", $meta;
1873		2425
1874	$exit->slaying ("?random/$md5");	2426	$exit->slaying ("?random/$md5");
1875	$exit->msg (undef);	2427	$exit->msg (undef);
1876	}	2428	}
1877	}	2429	}
…		…
1879	sub cf::object::player::enter_exit {	2431	sub cf::object::player::enter_exit {
1880	my ($self, $exit) = @_;	2432	my ($self, $exit) = @_;
1881		2433
1882	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1883		2435
		2436	if ($exit->slaying eq "/!") {
		2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
		2440	cf::sync_job { prepare_random_map $exit };
		2441	}
		2442
		2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2444	my $hp = $exit->stats->hp;
		2445	my $sp = $exit->stats->sp;
		2446
1884	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1885		2452
1886	(async {	2453	(async {
1887	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1888	unless (eval {	2455	unless (eval {
1889	prepare_random_map $exit	2456	$self->goto ($slaying, $hp, $sp);
1890	if $exit->slaying eq "/!";
1891
1892	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1893	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1894		2457
1895	1;	2458	1;
1896	}) {	2459	}) {
1897	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1898	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1899	. "Please report this to the dungeon master!",	2462	. "Please report this to the dungeon master!",
1900	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1901		2464
1902	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1903	$self->leave_link;	2466	$self->leave_link;
1904	}	2467	}
1905	})->prio (1);	2468	})->prio (1);
…		…
1918		2481
1919	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1920	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1921		2484
1922	utf8::encode $text;	2485	utf8::encode $text;
1923	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1924	}	2487	}
1925		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1926		2569
1927	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1928		2571
1929	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1930	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1931	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1932		2575
1933	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1934	reliable at some point in the future.	2577	become reliable at some point in the future.
1935		2578
1936	=cut	2579	=cut
1937		2580
1938	sub cf::client::query {	2581	sub cf::client::query {
1939	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1947	utf8::encode $text;	2590	utf8::encode $text;
1948	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1949		2592
1950	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
1951	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
1952	}	2597	}
1953		2598
1954	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
1955	on_reply => sub {	2605	on_reply => sub {
1956	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
1957		2607
1958	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
1959	# get handled first	2609	# get handled first
1960	my $queue = delete $ns->{query_queue}	2610	my $queue = delete $ns->{query_queue}
1961	or return; # be conservative, not sure how that can happen, but we saw a crash here	2611	or return; # be conservative, not sure how that can happen, but we saw a crash here
1962		2612
1963	(shift @$queue)->[1]->($msg);	2613	(shift @$queue)->[1]->($msg);
		2614	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1964		2615
1965	push @{ $ns->{query_queue} }, @$queue;	2616	push @{ $ns->{query_queue} }, @$queue;
1966		2617
1967	if (@{ $ns->{query_queue} } == @$queue) {	2618	if (@{ $ns->{query_queue} } == @$queue) {
1968	if (@$queue) {	2619	if (@$queue) {
…		…
1970	} else {	2621	} else {
1971	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1972	}	2623	}
1973	}	2624	}
1974	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
1975	);	2649	);
1976		2650
1977	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
1978		2652
1979	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
2020	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
2021	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
2022		2696
2023	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
2024		2698
2025	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
2026		2704
2027	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
2028		2706
2029	=pod	2707	=pod
2030		2708
2031	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
2032		2710
2033	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
2034	cf::object::player player	2715	cf::object::player
2035	cf::player peaceful	2716	player
2036	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
2037		2723
2038	=cut	2724	=cut
2039		2725
2040	for (	2726	for (
2041	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
2042	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
2043	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
2044	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
2045	) {	2732	) {
2046	no strict 'refs';	2733	no strict 'refs';
…		…
2117	=back	2804	=back
2118		2805
2119	=cut	2806	=cut
2120		2807
2121	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
2122		2810
2123	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
2124		2813
2125	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
2126	currently store anything that can be serialised using Storable, which
2127	excludes objects.
2128		2815
2129	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
2130	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
2131		2819
2132	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
2133		2821
2134	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
2135		2824
2136	Return a hashref for use by the extension C<$family>, which can be
2137	modified. After modifications, you have to call C<cf::db_dirty> or
2138	C<cf::db_sync>.
2139
2140	=item $value = cf::db_get $family => $key
2141
2142	Returns a single value from the database
2143
2144	=item cf::db_put $family => $hashref
2145
2146	Stores the given family hashref into the database. Updates are delayed, if
2147	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2148
2149	=item cf::db_put $family => $key => $value
2150
2151	Stores the given C<$value> in the family hash. Updates are delayed, if you
2152	want the data to be synced to disk immediately, use C<cf::db_sync>.
2153
2154	=item cf::db_dirty
2155
2156	Marks the database as dirty, to be updated at a later time.
2157
2158	=item cf::db_sync
2159
2160	Immediately write the database to disk I<if it is dirty>.
2161
2162	=cut
2163
2164	our $DB;
2165
2166	{
2167	my $path = cf::localdir . "/database.pst";
2168
2169	sub db_load() {
2170	$DB = stat $path ? Storable::retrieve $path : { };
2171	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2172		2827
2173	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2174		2834
2175	sub db_save() {	2835	cf::cede_to_tick;
2176	waitpid $pid, 0 if $pid;
2177	if (0 == ($pid = fork)) {
2178	$DB->{_meta}{version} = 1;
2179	Storable::nstore $DB, "$path~";
2180	rename "$path~", $path;
2181	cf::_exit 0 if defined $pid;
2182	}
2183	}
2184
2185	my $dirty;
2186
2187	sub db_sync() {
2188	db_save if $dirty;
2189	undef $dirty;
2190	}
2191
2192	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2193	db_sync;
2194	});
2195
2196	sub db_dirty() {
2197	$dirty = 1;
2198	$idle->start;
2199	}
2200
2201	sub db_get($;$) {
2202	@_ >= 2
2203	? $DB->{$_[0]}{$_[1]}
2204	: ($DB->{$_[0]} ||= { })
2205	}
2206
2207	sub db_put($$;$) {
2208	if (@_ >= 3) {
2209	$DB->{$_[0]}{$_[1]} = $_[2];
2210	} else {
2211	$DB->{$_[0]} = $_[1];
2212	}
2213	db_dirty;
2214	}
2215
2216	cf::global->attach (
2217	prio => 10000,
2218	on_cleanup => sub {
2219	db_sync;
2220	},	2836	}
2221	);
2222	}
2223		2837
2224	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2225	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
		2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
		2970	}
2226		2971
2227	sub cfg_load {	2972	sub cfg_load {
2228	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2229	or return;	2974	or return;
2230		2975
2231	local $/;	2976	local $/;
2232	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2233		2978
…		…
2247		2992
2248	sub main {	2993	sub main {
2249	# we must not ever block the main coroutine	2994	# we must not ever block the main coroutine
2250	local $Coro::idle = sub {	2995	local $Coro::idle = sub {
2251	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2997	(async {
2252	async { Event::one_event };	2998	Event::one_event;
		2999	})->prio (Coro::PRIO_MAX);
2253	};	3000	};
2254		3001
2255	cfg_load;	3002	cfg_load;
2256	db_load;	3003	db_init;
2257	load_extensions;	3004	load_extensions;
		3005
		3006	$TICK_WATCHER->start;
2258	Event::loop;	3007	Event::loop;
2259	}	3008	}
2260		3009
2261	#############################################################################	3010	#############################################################################
2262	# initialisation and cleanup	3011	# initialisation and cleanup
2263		3012
2264	# install some emergency cleanup handlers	3013	# install some emergency cleanup handlers
2265	BEGIN {	3014	BEGIN {
2266	for my $signal (qw(INT HUP TERM)) {	3015	for my $signal (qw(INT HUP TERM)) {
2267	Event->signal (	3016	Event->signal (
		3017	reentrant => 0,
2268	data => WF_AUTOCANCEL,	3018	data => WF_AUTOCANCEL,
2269	signal => $signal,	3019	signal => $signal,
		3020	prio => 0,
2270	cb => sub {	3021	cb => sub {
2271	cf::cleanup "SIG$signal";	3022	cf::cleanup "SIG$signal";
2272	},	3023	},
2273	);	3024	);
2274	}	3025	}
2275	}	3026	}
2276		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
2277	sub emergency_save() {	3066	sub emergency_save() {
2278	my $freeze_guard = cf::freeze_mainloop;	3067	my $freeze_guard = cf::freeze_mainloop;
2279		3068
2280	warn "enter emergency perl save\n";	3069	warn "enter emergency perl save\n";
2281		3070
2282	cf::sync_job {	3071	cf::sync_job {
2283	# use a peculiar iteration method to avoid tripping on perl	3072	# use a peculiar iteration method to avoid tripping on perl
2284	# refcount bugs in for. also avoids problems with players	3073	# refcount bugs in for. also avoids problems with players
2285	# and maps saved/Destroyed asynchronously.	3074	# and maps saved/destroyed asynchronously.
2286	warn "begin emergency player save\n";	3075	warn "begin emergency player save\n";
2287	for my $login (keys %cf::PLAYER) {	3076	for my $login (keys %cf::PLAYER) {
2288	my $pl = $cf::PLAYER{$login} or next;	3077	my $pl = $cf::PLAYER{$login} or next;
2289	$pl->valid or next;	3078	$pl->valid or next;
2290	$pl->save;	3079	$pl->save;
…		…
2296	my $map = $cf::MAP{$path} or next;	3085	my $map = $cf::MAP{$path} or next;
2297	$map->valid or next;	3086	$map->valid or next;
2298	$map->save;	3087	$map->save;
2299	}	3088	}
2300	warn "end emergency map save\n";	3089	warn "end emergency map save\n";
		3090
		3091	warn "begin emergency database checkpoint\n";
		3092	BDB::db_env_txn_checkpoint $DB_ENV;
		3093	warn "end emergency database checkpoint\n";
2301	};	3094	};
2302		3095
2303	warn "leave emergency perl save\n";	3096	warn "leave emergency perl save\n";
2304	}	3097	}
2305		3098
		3099	sub post_cleanup {
		3100	my ($make_core) = @_;
		3101
		3102	warn Carp::longmess "post_cleanup backtrace"
		3103	if $make_core;
		3104	}
		3105
2306	sub reload() {	3106	sub do_reload_perl() {
2307	# can/must only be called in main	3107	# can/must only be called in main
2308	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2309	warn "can only reload from main coroutine\n";	3109	warn "can only reload from main coroutine";
2310	return;	3110	return;
2311	}	3111	}
2312		3112
2313	warn "reloading...";	3113	warn "reloading...";
2314		3114
2315	warn "freezing server";	3115	warn "entering sync_job";
2316	my $guard = freeze_mainloop;	3116
		3117	cf::sync_job {
		3118	cf::write_runtime; # external watchdog should not bark
2317	cf::emergency_save;	3119	cf::emergency_save;
		3120	cf::write_runtime; # external watchdog should not bark
2318		3121
2319	warn "sync database to disk";	3122	warn "syncing database to disk";
2320	cf::db_sync;	3123	BDB::db_env_txn_checkpoint $DB_ENV;
2321	IO::AIO::flush;
2322		3124
2323	eval {
2324	# if anything goes wrong in here, we should simply crash as we already saved	3125	# if anything goes wrong in here, we should simply crash as we already saved
2325		3126
2326	warn "cancel all watchers";	3127	warn "cancelling all WF_AUTOCANCEL watchers";
2327	for (Event::all_watchers) {	3128	for (Event::all_watchers) {
2328	$_->cancel if $_->data & WF_AUTOCANCEL;	3129	$_->cancel if $_->data & WF_AUTOCANCEL;
2329	}	3130	}
2330		3131
		3132	warn "flushing outstanding aio requests";
		3133	for (;;) {
		3134	BDB::flush;
		3135	IO::AIO::flush;
		3136	Coro::cede;
		3137	last unless IO::AIO::nreqs || BDB::nreqs;
		3138	warn "iterate...";
		3139	}
		3140
		3141	++$RELOAD;
		3142
2331	warn "cancel all extension coros";	3143	warn "cancelling all extension coros";
2332	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2333	%EXT_CORO = ();	3145	%EXT_CORO = ();
2334		3146
2335	warn "remove commands";	3147	warn "removing commands";
2336	%COMMAND = ();	3148	%COMMAND = ();
2337		3149
2338	warn "remove ext commands";	3150	warn "removing ext/exti commands";
2339	%EXTCMD = ();	3151	%EXTCMD = ();
		3152	%EXTICMD = ();
2340		3153
2341	warn "unload/nuke all extensions";	3154	warn "unloading/nuking all extensions";
2342	for my $pkg (@EXTS) {	3155	for my $pkg (@EXTS) {
2343	warn "... unloading $pkg";	3156	warn "... unloading $pkg";
2344		3157
2345	if (my $cb = $pkg->can ("unload")) {	3158	if (my $cb = $pkg->can ("unload")) {
2346	eval {	3159	eval {
…		…
2351		3164
2352	warn "... nuking $pkg";	3165	warn "... nuking $pkg";
2353	Symbol::delete_package $pkg;	3166	Symbol::delete_package $pkg;
2354	}	3167	}
2355		3168
2356	warn "unload all perl modules loaded from $LIBDIR";	3169	warn "unloading all perl modules loaded from $LIBDIR";
2357	while (my ($k, $v) = each %INC) {	3170	while (my ($k, $v) = each %INC) {
2358	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2359		3172
2360	warn "removing <$k>";	3173	warn "... unloading $k";
2361	delete $INC{$k};	3174	delete $INC{$k};
2362		3175
2363	$k =~ s/\.pm$//;	3176	$k =~ s/\.pm$//;
2364	$k =~ s/\//::/g;	3177	$k =~ s/\//::/g;
2365		3178
…		…
2368	}	3181	}
2369		3182
2370	Symbol::delete_package $k;	3183	Symbol::delete_package $k;
2371	}	3184	}
2372		3185
2373	warn "get rid of safe::, as good as possible";	3186	warn "getting rid of safe::, as good as possible";
2374	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2375	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2376		3189
2377	warn "unload cf.pm \"a bit\"";	3190	warn "unloading cf.pm \"a bit\"";
2378	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2379		3193
2380	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2381	# and global variables created in xs	3195	# and global variables created in xs
2382	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2383		3197
		3198	warn "unload completed, starting to reload now";
		3199
2384	warn "reloading cf.pm";	3200	warn "reloading cf.pm";
2385	require cf;	3201	require cf;
2386	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2387		3203
2388	warn "load config and database again";	3204	warn "loading config and database again";
2389	cf::cfg_load;	3205	cf::cfg_load;
2390	cf::db_load;
2391		3206
2392	warn "load extensions";	3207	warn "loading extensions";
2393	cf::load_extensions;	3208	cf::load_extensions;
2394		3209
2395	warn "reattach attachments to objects/players";	3210	warn "reattaching attachments to objects/players";
2396	_global_reattach;	3211	_global_reattach; # objects, sockets
2397	warn "reattach attachments to maps";	3212	warn "reattaching attachments to maps";
2398	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
2399	};	3214	warn "reattaching attachments to players";
		3215	reattach $_ for values %PLAYER;
2400		3216
2401	if ($@) {	3217	warn "leaving sync_job";
		3218
		3219	1
		3220	} or do {
2402	warn $@;	3221	warn $@;
2403	warn "error while reloading, exiting.";	3222	warn "error while reloading, exiting.";
2404	exit 1;	3223	exit 1;
2405	}	3224	};
2406		3225
2407	warn "reloaded";	3226	warn "reloaded";
2408	};	3227	};
2409		3228
2410	#############################################################################	3229	our $RELOAD_WATCHER; # used only during reload
2411		3230
2412	unless ($LINK_MAP) {	3231	sub reload_perl() {
2413	$LINK_MAP = cf::map::new;	3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
2414		3234
2415	$LINK_MAP->width (41);	3235	$RELOAD_WATCHER ||= Event->timer (
2416	$LINK_MAP->height (41);	3236	reentrant => 0,
2417	$LINK_MAP->alloc;
2418	$LINK_MAP->path ("{link}");
2419	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2420	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2421
2422	# dirty hack because... archetypes are not yet loaded
2423	Event->timer (
2424	after => 10,	3237	after => 0,
		3238	data => WF_AUTOCANCEL,
2425	cb => sub {	3239	cb => sub {
2426	$_[0]->w->cancel;	3240	do_reload_perl;
2427		3241	undef $RELOAD_WATCHER;
2428	# provide some exits "home"
2429	my $exit = cf::object::new "exit";
2430
2431	$exit->slaying ($EMERGENCY_POSITION->[0]);
2432	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2433	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2434
2435	$LINK_MAP->insert ($exit->clone, 19, 19);
2436	$LINK_MAP->insert ($exit->clone, 19, 20);
2437	$LINK_MAP->insert ($exit->clone, 19, 21);
2438	$LINK_MAP->insert ($exit->clone, 20, 19);
2439	$LINK_MAP->insert ($exit->clone, 20, 21);
2440	$LINK_MAP->insert ($exit->clone, 21, 19);
2441	$LINK_MAP->insert ($exit->clone, 21, 20);
2442	$LINK_MAP->insert ($exit->clone, 21, 21);
2443
2444	$exit->destroy;
2445	});	3242	},
2446		3243	);
2447	$LINK_MAP->{deny_save} = 1;
2448	$LINK_MAP->{deny_reset} = 1;
2449
2450	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2451	}	3244	}
2452		3245
2453	register_command "reload" => sub {	3246	register_command "reload" => sub {
2454	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2455		3248
2456	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2457	$who->message ("start of reload.");
2458	reload;
2459	$who->message ("end of reload.");	3250	$who->message ("reloading server.");
		3251	async { reload_perl };
2460	}	3252	}
2461	};	3253	};
2462		3254
2463	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2464		3256
		3257	my $bug_warning = 0;
		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2465	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2466	reentrant => 0,	3283	reentrant => 0,
		3284	parked => 1,
2467	prio => 0,	3285	prio => 0,
2468	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
2469	data => WF_AUTOCANCEL,	3287	data => WF_AUTOCANCEL,
2470	cb => sub {	3288	cb => sub {
		3289	if ($Coro::current != $Coro::main) {
		3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3291	unless ++$bug_warning > 10;
		3292	return;
		3293	}
		3294
		3295	$NOW = $tick_start = Event::time;
		3296
2471	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2472	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2473	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2474		3324
2475	$WAIT_FOR_TICK->broadcast;	3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2476	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3327	Coro::async_pool {
		3328	write_runtime
		3329	or warn "ERROR: unable to write runtime file: $!";
		3330	};
		3331	}
		3332
		3333	# my $AFTER = Event::time;
		3334	# warn $AFTER - $NOW;#d#
		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
2477		3344
2478	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2479	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2480		3347
2481	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2482	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2483	},	3357	},
2484	);	3358	);
2485		3359
		3360	{
2486	IO::AIO::max_poll_time $TICK * 0.2;	3361	BDB::max_poll_time $TICK * 0.1;
2487		3362	$BDB_POLL_WATCHER = Event->io (
2488	Event->io (	3363	reentrant => 0,
2489	fd => IO::AIO::poll_fileno,	3364	fd => BDB::poll_fileno,
2490	poll => 'r',	3365	poll => 'r',
2491	prio => 5,	3366	prio => 0,
2492	data => WF_AUTOCANCEL,
2493	cb => \&IO::AIO::poll_cb,
2494	);
2495
2496	Event->timer (
2497	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2498	after => 0,	3368	cb => \&BDB::poll_cb,
2499	interval => 10,	3369	);
2500	cb => sub {	3370	BDB::min_parallel 8;
2501	(Coro::unblock_sub {	3371
2502	write_runtime	3372	BDB::set_sync_prepare {
2503	or warn "ERROR: unable to write runtime file: $!";	3373	my $status;
		3374	my $current = $Coro::current;
		3375	(
		3376	sub {
		3377	$status = $!;
		3378	$current->ready; undef $current;
		3379	},
		3380	sub {
		3381	Coro::schedule while defined $current;
		3382	$! = $status;
		3383	},
		3384	)
		3385	};
		3386
		3387	unless ($DB_ENV) {
		3388	$DB_ENV = BDB::db_env_create;
		3389
		3390	cf::sync_job {
		3391	eval {
		3392	BDB::db_env_open
		3393	$DB_ENV,
		3394	$BDBDIR,
		3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3397	0666;
		3398
		3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3400
		3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3402	$DB_ENV->set_lk_detect;
		3403	};
		3404
		3405	cf::cleanup "db_env_open(db): $@" if $@;
2504	})->();	3406	};
2505	},	3407	}
2506	);	3408	}
		3409
		3410	{
		3411	IO::AIO::min_parallel 8;
		3412
		3413	undef $Coro::AIO::WATCHER;
		3414	IO::AIO::max_poll_time $TICK * 0.1;
		3415	$AIO_POLL_WATCHER = Event->io (
		3416	reentrant => 0,
		3417	data => WF_AUTOCANCEL,
		3418	fd => IO::AIO::poll_fileno,
		3419	poll => 'r',
		3420	prio => 6,
		3421	cb => \&IO::AIO::poll_cb,
		3422	);
		3423	}
		3424
		3425	my $_log_backtrace;
		3426
		3427	sub _log_backtrace {
		3428	my ($msg, @addr) = @_;
		3429
		3430	$msg =~ s/\n//;
		3431
		3432	# limit the # of concurrent backtraces
		3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
		3460	}
		3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
2507		3465
2508	END { cf::emergency_save }	3466	END { cf::emergency_save }
2509		3467
2510	1	3468	1
2511		3469

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