ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.336 by root, Tue Aug 21 00:31:18 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
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		623
523	#############################################################################	624	#############################################################################
524		625
525	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
526		627
…		…
528	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")
529	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
530		631
531	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>
532	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
533	crossfire+).	634	Crossfire TRT).
534		635
535	=over 4	636	=over 4
536		637
537	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
538		639
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	754	our @CB_MAP = ();
654		755
655	my %attachment;	756	my %attachment;
656		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
657	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
659		766
660	use sort 'stable';	767	use sort 'stable';
661		768
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
696		803
697	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		808
702	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	810	my $pkg = shift @arg;
704		811
705	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
735	}	842	}
736		843
737	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
738	} else {	845	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	847	}
741		848
742	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
743	}	850	}
744		851
…		…
746	if (ref $_[0]) {	853	if (ref $_[0]) {
747	_object_attach @_;	854	_object_attach @_;
748	} else {	855	} else {
749	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
750	}	857	}
		858	_recalc_want;
751	};	859	};
752		860
753	# all those should be optimised	861	# all those should be optimised
754	sub cf::attachable::detach {	862	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
759	reattach ($obj);	867	reattach ($obj);
760	} else {	868	} else {
761	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
762	}	870	}
		871	_recalc_want;
763	};	872	};
764		873
765	sub cf::attachable::attached {	874	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
767		876
…		…
782	";	891	";
783	die if $@;	892	die if $@;
784	}	893	}
785		894
786	our $override;	895	our $override;
787	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?
788		897
789	sub override {	898	sub override {
790	$override = 1;	899	$override = 1;
791	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
792	}	901	}
793		902
794	sub do_invoke {	903	sub do_invoke {
795	my $event = shift;	904	my $event = shift;
796	my $callbacks = shift;	905	my $callbacks = shift;
797		906
798	@invoke_results = ();	907	@INVOKE_RESULTS = ();
799		908
800	local $override;	909	local $override;
801		910
802	for (@$callbacks) {	911	for (@$callbacks) {
803	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
820		929
821	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
822		931
823	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
824	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
825	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		935
827	=back	936	=back
828		937
829	=cut	938	=cut
830		939
831	#############################################################################	940	#############################################################################
832	# 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	}
833		953
834	sub reattach {	954	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		959
838	my $registry = $obj->registry;	960	my $registry = $obj->registry;
839		961
840	@$registry = ();	962	@$registry = ();
841		963
…		…
888	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
889		1011
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1016	close $fh;
895		1017
896	if (@$objs) {	1018	if (@$objs) {
897	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) {
898	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1024	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
904	}	1026	}
905	} else {	1027	} else {
906	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
938	or return;	1060	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1062	}
941		1063
942	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1066	return ($data, $av);
945	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
946		1074
947	#############################################################################	1075	#############################################################################
948	# command handling &c	1076	# command handling &c
949		1077
950	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1092	}
965		1093
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1095
968	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.
969		1101
970	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
971	called.	1103	called.
972		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
973	=cut	1116	=cut
974		1117
975	sub register_extcmd {	1118	sub register_extcmd {
976	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
977		1120
978	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
979	}	1128	}
980		1129
981	cf::player->attach (	1130	cf::player->attach (
982	on_command => sub {	1131	on_command => sub {
983	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1141	cf::override;
993	},	1142	},
994	on_extcmd => sub {	1143	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
996		1145
997	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1147
999	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
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
1002	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
1003	}	1158	if $reply;
1004	}	1159	}
1005	} else {	1160	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1162	}
1008		1163
1009	cf::override;	1164	cf::override;
1010	},	1165	},
1011	);	1166	);
1012		1167
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1041	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1173	next unless -r $path;
1043	eval {	1174
1044	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;
1045	1	1232	}
1046	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1047	}	1238	};
1048	}	1239	}
1049		1240
1050	#############################################################################	1241	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1242
1053	*cf::mapsupport::on_clean = sub {	1243	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1244
1066	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1067		1246
1068	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1069		1248
…		…
1082	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1083		1262
1084	=cut	1263	=cut
1085		1264
1086	sub playerdir($) {	1265	sub playerdir($) {
1087	cf::localdir	1266	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1268	}
1093		1269
1094	sub path($) {	1270	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1272
1097	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1098	}	1274	}
1099		1275
1100	sub find_active($) {	1276	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1105		1281
1106	sub exists($) {	1282	sub exists($) {
1107	my ($login) = @_;	1283	my ($login) = @_;
1108		1284
1109	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1111	}	1287	}
1112		1288
1113	sub find($) {	1289	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1291	my $login = $_[0];
1116		1292
1117	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1118		1294
1119	$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
1120	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
1121	or return;	1304	or return;
1122	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
1123	}	1306	}
1124	}	1307	}
…		…
1152	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1153		1336
1154	$self	1337	$self
1155	}	1338	}
1156		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
1157	=item $pl->quit_character	1350	=item $pl->quit_character
1158		1351
1159	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
1160	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1161		1354
1162	=cut	1355	=cut
1163		1356
1164	sub quit_character {	1357	sub quit_character {
1165	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1166		1361
1167	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1168	$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
1169		1364
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1179	$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
1180	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;
1181	}	1396	}
1182		1397
1183	=item cf::player::list_logins	1398	=item cf::player::list_logins
1184		1399
1185	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
1186	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1187		1402
1188	=cut	1403	=cut
1189		1404
1190	sub list_logins {	1405	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1407	or return [];
1193		1408
1194	my @logins;	1409	my @logins;
1195		1410
1196	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1205	\@logins	1420	\@logins
1206	}	1421	}
1207		1422
1208	=item $player->maps	1423	=item $player->maps
1209		1424
1210	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
1211	player. May block.	1426	player. May block.
1212		1427
1213	=cut	1428	=cut
1214		1429
1215	sub maps($) {	1430	sub maps($) {
1216	my ($pl) = @_;	1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1434
1218	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1219	or return;	1436	or return;
1220		1437
1221	my @paths;	1438	my @paths;
…		…
1223	for (@$files) {	1440	for (@$files) {
1224	utf8::decode $_;	1441	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1227		1444
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1445	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1446	}
1230		1447
1231	\@paths	1448	\@paths
1232	}	1449	}
1233		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
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1235		1502
1236	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1237		1504
1238	=cut	1505	=cut
1239		1506
1240	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1242		1509
1243	$msg{msgid} = $id;	1510	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1511	}
1247		1512
1248	package cf;	1513	=item $player->ext_msg ($type, @msg)
		1514
		1515	Sends an ext event to the client.
		1516
		1517	=cut
		1518
		1519	sub ext_msg($$@) {
		1520	my ($self, $type, @msg) = @_;
		1521
		1522	$self->ns->ext_msg ($type, @msg);
		1523	}
		1524
		1525	=head3 cf::region
		1526
		1527	=over 4
		1528
		1529	=cut
		1530
		1531	package cf::region;
		1532
		1533	=item cf::region::find_by_path $path
		1534
		1535	Tries to decuce the likely region for a map knowing only its path.
		1536
		1537	=cut
		1538
		1539	sub find_by_path($) {
		1540	my ($path) = @_;
		1541
		1542	my ($match, $specificity);
		1543
		1544	for my $region (list) {
		1545	if ($region->{match} && $path =~ $region->{match}) {
		1546	($match, $specificity) = ($region, $region->specificity)
		1547	if $region->specificity > $specificity;
		1548	}
		1549	}
		1550
		1551	$match
		1552	}
1249		1553
1250	=back	1554	=back
1251
1252		1555
1253	=head3 cf::map	1556	=head3 cf::map
1254		1557
1255	=over 4	1558	=over 4
1256		1559
…		…
1259	package cf::map;	1562	package cf::map;
1260		1563
1261	use Fcntl;	1564	use Fcntl;
1262	use Coro::AIO;	1565	use Coro::AIO;
1263		1566
		1567	use overload
		1568	'""' => \&as_string,
		1569	fallback => 1;
		1570
1264	our $MAX_RESET = 3600;	1571	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1572	our $DEFAULT_RESET = 3000;
1266		1573
1267	sub generate_random_map {	1574	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1575	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1576	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1577	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1578	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1579	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1580	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1581	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1582	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1587	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1588	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1589	)
1285	}	1590	}
1286		1591
		1592	=item cf::map->register ($regex, $prio)
		1593
		1594	Register a handler for the map path matching the given regex at the
		1595	givne priority (higher is better, built-in handlers have priority 0, the
		1596	default).
		1597
		1598	=cut
		1599
		1600	sub register {
		1601	my (undef, $regex, $prio) = @_;
		1602	my $pkg = caller;
		1603
		1604	no strict;
		1605	push @{"$pkg\::ISA"}, __PACKAGE__;
		1606
		1607	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1608	}
		1609
		1610	# also paths starting with '/'
		1611	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1612
		1613	sub thawer_merge {
		1614	my ($self, $merge) = @_;
		1615
		1616	# we have to keep some variables in memory intact
		1617	local $self->{path};
		1618	local $self->{load_path};
		1619
		1620	$self->SUPER::thawer_merge ($merge);
		1621	}
		1622
		1623	sub normalise {
		1624	my ($path, $base) = @_;
		1625
		1626	$path = "$path"; # make sure its a string
		1627
		1628	$path =~ s/\.map$//;
		1629
		1630	# map plan:
		1631	#
		1632	# /! non-realised random map exit (special hack!)
		1633	# {... are special paths that are not being touched
		1634	# ?xxx/... are special absolute paths
		1635	# ?random/... random maps
		1636	# /... normal maps
		1637	# ~user/... per-player map of a specific user
		1638
		1639	$path =~ s/$PATH_SEP/\//go;
		1640
		1641	# treat it as relative path if it starts with
		1642	# something that looks reasonable
		1643	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1644	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1645
		1646	$base =~ s{[^/]+/?$}{};
		1647	$path = "$base/$path";
		1648	}
		1649
		1650	for ($path) {
		1651	redo if s{//}{/};
		1652	redo if s{/\.?/}{/};
		1653	redo if s{/[^/]+/\.\./}{/};
		1654	}
		1655
		1656	$path
		1657	}
		1658
		1659	sub new_from_path {
		1660	my (undef, $path, $base) = @_;
		1661
		1662	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1663
		1664	$path = normalise $path, $base;
		1665
		1666	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1667	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1668	my $self = bless cf::map::new, $pkg;
		1669	$self->{path} = $path; $self->path ($path);
		1670	$self->init; # pass $1 etc.
		1671	return $self;
		1672	}
		1673	}
		1674
		1675	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1676	()
		1677	}
		1678
		1679	sub init {
		1680	my ($self) = @_;
		1681
		1682	$self
		1683	}
		1684
		1685	sub as_string {
		1686	my ($self) = @_;
		1687
		1688	"$self->{path}"
		1689	}
		1690
		1691	# the displayed name, this is a one way mapping
		1692	sub visible_name {
		1693	&as_string
		1694	}
		1695
		1696	# the original (read-only) location
		1697	sub load_path {
		1698	my ($self) = @_;
		1699
		1700	"$MAPDIR/$self->{path}.map"
		1701	}
		1702
		1703	# the temporary/swap location
		1704	sub save_path {
		1705	my ($self) = @_;
		1706
		1707	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1708	"$TMPDIR/$path.map"
		1709	}
		1710
		1711	# the unique path, undef == no special unique path
		1712	sub uniq_path {
		1713	my ($self) = @_;
		1714
		1715	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1716	"$UNIQUEDIR/$path"
		1717	}
		1718
1287	# and all this just because we cannot iterate over	1719	# and all this just because we cannot iterate over
1288	# all maps in C++...	1720	# all maps in C++...
1289	sub change_all_map_light {	1721	sub change_all_map_light {
1290	my ($change) = @_;	1722	my ($change) = @_;
1291		1723
1292	$_->change_map_light ($change)	1724	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1725	for grep $_->outdoor, values %cf::MAP;
1294	}	1726	}
1295		1727
		1728	sub decay_objects {
		1729	my ($self) = @_;
		1730
		1731	return if $self->{deny_reset};
		1732
		1733	$self->do_decay_objects;
		1734	}
		1735
		1736	sub unlink_save {
		1737	my ($self) = @_;
		1738
		1739	utf8::encode (my $save = $self->save_path);
		1740	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1741	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1742	}
		1743
1296	sub load_map_header($) {	1744	sub load_header_from($) {
1297	my ($path) = @_;	1745	my ($self, $path) = @_;
1298		1746
1299	utf8::encode $path;	1747	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1748	#aio_open $path, O_RDONLY, 0
		1749	# or return;
		1750
		1751	$self->_load_header ($path)
1301	or return;	1752	or return;
1302		1753
1303	my $map = cf::map::new	1754	$self->{load_path} = $path;
		1755
		1756	1
		1757	}
		1758
		1759	sub load_header_orig {
		1760	my ($self) = @_;
		1761
		1762	$self->load_header_from ($self->load_path)
		1763	}
		1764
		1765	sub load_header_temp {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->save_path)
		1769	}
		1770
		1771	sub prepare_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->last_access ((delete $self->{last_access})
		1775	|| $cf::RUNTIME); #d#
		1776	# safety
		1777	$self->{instantiate_time} = $cf::RUNTIME
		1778	if $self->{instantiate_time} > $cf::RUNTIME;
		1779	}
		1780
		1781	sub prepare_orig {
		1782	my ($self) = @_;
		1783
		1784	$self->{load_original} = 1;
		1785	$self->{instantiate_time} = $cf::RUNTIME;
		1786	$self->last_access ($cf::RUNTIME);
		1787	$self->instantiate;
		1788	}
		1789
		1790	sub load_header {
		1791	my ($self) = @_;
		1792
		1793	if ($self->load_header_temp) {
		1794	$self->prepare_temp;
		1795	} else {
		1796	$self->load_header_orig
1304	or return;	1797	or return;
		1798	$self->prepare_orig;
		1799	}
1305		1800
1306	# for better error messages only, will be overwritten later	1801	$self->{deny_reset} = 1
1307	$map->path ($path);	1802	if $self->no_reset;
1308		1803
1309	$map->load_header ($path)	1804	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1805	unless $self->default_region;
1311		1806
1312	$map->{load_path} = $path;	1807	1
1313
1314	$map
1315	}	1808	}
1316		1809
1317	sub find;	1810	sub find;
1318	sub find {	1811	sub find {
1319	my ($path, $origin) = @_;	1812	my ($path, $origin) = @_;
1320		1813
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1814	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1815
1326	cf::lock_wait "map_find:$key";	1816	cf::lock_wait "map_find:$path";
1327		1817
1328	$cf::MAP{$key} || do {	1818	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1819	my $guard = cf::lock_acquire "map_find:$path";
1330		1820	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1821	or return;
1345		1822
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1823	$map->{last_save} = $cf::RUNTIME;
1358		1824
1359	Coro::cede;	1825	$map->load_header
		1826	or return;
1360		1827
1361	if ($map->should_reset) {	1828	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1829	# doing this can freeze the server in a sync job, obviously
		1830	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1831	$map->reset;
1363	undef $guard;	1832	undef $guard;
1364	$map = find $path	1833	return find $path;
1365	or return;
1366	}	1834	}
1367		1835
1368	$cf::MAP{$key} = $map	1836	$cf::MAP{$path} = $map
1369	}	1837	}
1370	}	1838	}
		1839
		1840	sub pre_load { }
		1841	sub post_load { }
1371		1842
1372	sub load {	1843	sub load {
1373	my ($self) = @_;	1844	my ($self) = @_;
1374		1845
		1846	local $self->{deny_reset} = 1; # loading can take a long time
		1847
1375	my $path = $self->{path};	1848	my $path = $self->{path};
		1849
		1850	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1851	my $guard = cf::lock_acquire "map_load:$path";
1377		1852
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1853	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1854
1380	$self->in_memory (cf::MAP_LOADING);	1855	$self->in_memory (cf::MAP_LOADING);
1381		1856
1382	$self->alloc;	1857	$self->alloc;
		1858
		1859	$self->pre_load;
		1860	Coro::cede;
		1861
1383	$self->load_objects ($self->{load_path}, 1)	1862	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1863	or return;
1385		1864
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1866	if delete $self->{load_original};
1388		1867
1389	if (my $uniq = $path->uniq_path) {	1868	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1869	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1870	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1871	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1872	$self->_load_objects ($uniq, 0);
1394	}	1873	}
1395	}	1874	}
1396		1875
1397	Coro::cede;	1876	Coro::cede;
1398
1399	# now do the right thing for maps	1877	# now do the right thing for maps
1400	$self->link_multipart_objects;	1878	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1879	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1880	unless $self->difficulty;
		1881	Coro::cede;
		1882
		1883	unless ($self->{deny_activate}) {
		1884	$self->decay_objects;
		1885	$self->fix_auto_apply;
		1886	$self->update_buttons;
		1887	Coro::cede;
		1888	$self->set_darkness_map;
		1889	Coro::cede;
1412	$self->activate;	1890	$self->activate;
1413	}	1891	}
1414		1892
1415	Coro::cede;	1893	$self->{last_save} = $cf::RUNTIME;
		1894	$self->last_access ($cf::RUNTIME);
1416		1895
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1896	$self->in_memory (cf::MAP_IN_MEMORY);
		1897	}
		1898
		1899	$self->post_load;
		1900	}
		1901
		1902	sub customise_for {
		1903	my ($self, $ob) = @_;
		1904
		1905	return find "~" . $ob->name . "/" . $self->{path}
		1906	if $self->per_player;
		1907
		1908	# return find "?party/" . $ob->name . "/" . $self->{path}
		1909	# if $self->per_party;
		1910
		1911	$self
1418	}	1912	}
1419		1913
1420	# find and load all maps in the 3x3 area around a map	1914	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1915	sub load_neighbours {
1422	my ($map) = @_;	1916	my ($map) = @_;
1423		1917
1424	my @diag; # diagonal neighbours	1918	my @neigh; # diagonal neighbours
1425		1919
1426	for (0 .. 3) {	1920	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	1921	my $neigh = $map->tile_path ($_)
1428	or next;	1922	or next;
1429	$neigh = find $neigh, $map	1923	$neigh = find $neigh, $map
1430	or next;	1924	or next;
1431	$neigh->load;	1925	$neigh->load;
1432		1926
		1927	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1928	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1929	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	1930	}
1436		1931
1437	for (@diag) {	1932	for (grep defined $_->[0], @neigh) {
		1933	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	1934	my $neigh = find $path, $origin
1439	or next;	1935	or next;
1440	$neigh->load;	1936	$neigh->load;
1441	}	1937	}
1442	}	1938	}
1443		1939
…		…
1452		1948
1453	cf::sync_job { $map->load };	1949	cf::sync_job { $map->load };
1454	}	1950	}
1455		1951
1456	our %MAP_PREFETCH;	1952	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1953	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1954
1472	sub find_async {	1955	sub find_async {
1473	my ($path, $origin) = @_;	1956	my ($path, $origin) = @_;
1474		1957
1475	$path = new cf::path $path, $origin && $origin->path;	1958	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1959
1478	if (my $map = $cf::MAP{$key}) {	1960	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1961	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1962	}
1481		1963
1482	$MAP_PREFETCH{$key} = $path;	1964	undef $MAP_PREFETCH{$path};
		1965	$MAP_PREFETCHER ||= cf::async {
		1966	while (%MAP_PREFETCH) {
		1967	for my $path (keys %MAP_PREFETCH) {
		1968	if (my $map = find $path) {
		1969	$map->load;
		1970	}
		1971
		1972	delete $MAP_PREFETCH{$path};
		1973	}
		1974	}
		1975	undef $MAP_PREFETCHER;
		1976	};
1483	$MAP_PREFETCHER->ready;	1977	$MAP_PREFETCHER->prio (6);
1484		1978
1485	()	1979	()
1486	}	1980	}
1487		1981
1488	sub save {	1982	sub save {
…		…
1492		1986
1493	$self->{last_save} = $cf::RUNTIME;	1987	$self->{last_save} = $cf::RUNTIME;
1494		1988
1495	return unless $self->dirty;	1989	return unless $self->dirty;
1496		1990
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1991	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1992	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1993
1500	$self->{load_path} = $save;	1994	$self->{load_path} = $save;
1501		1995
1502	return if $self->{deny_save};	1996	return if $self->{deny_save};
1503		1997
…		…
1506	cf::async {	2000	cf::async {
1507	$_->contr->save for $self->players;	2001	$_->contr->save for $self->players;
1508	};	2002	};
1509		2003
1510	if ($uniq) {	2004	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2005	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2006	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2007	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2009	}
1516	}	2010	}
1517		2011
1518	sub swap_out {	2012	sub swap_out {
1519	my ($self) = @_;	2013	my ($self) = @_;
…		…
1533		2027
1534	sub reset_at {	2028	sub reset_at {
1535	my ($self) = @_;	2029	my ($self) = @_;
1536		2030
1537	# TODO: safety, remove and allow resettable per-player maps	2031	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2032	return 1e99 if $self->{deny_reset};
1540		2033
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2034	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2035	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2036
…		…
1548	my ($self) = @_;	2041	my ($self) = @_;
1549		2042
1550	$self->reset_at <= $cf::RUNTIME	2043	$self->reset_at <= $cf::RUNTIME
1551	}	2044	}
1552		2045
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2046	sub reset {
1575	my ($self) = @_;	2047	my ($self) = @_;
1576		2048
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2049	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2050
1579	return if $self->players;	2051	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2052
1582	warn "resetting map ", $self->path;#d#	2053	warn "resetting map ", $self->path;
		2054
		2055	$self->in_memory (cf::MAP_SWAPPED);
		2056
		2057	# need to save uniques path
		2058	unless ($self->{deny_save}) {
		2059	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2060
		2061	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2062	if $uniq;
		2063	}
1583		2064
1584	delete $cf::MAP{$self->path};	2065	delete $cf::MAP{$self->path};
		2066
		2067	$self->clear;
1585		2068
1586	$_->clear_links_to ($self) for values %cf::MAP;	2069	$_->clear_links_to ($self) for values %cf::MAP;
1587		2070
1588	$self->unlink_save;	2071	$self->unlink_save;
1589	$self->destroy;	2072	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2075	my $nuke_counter = "aaaa";
1593		2076
1594	sub nuke {	2077	sub nuke {
1595	my ($self) = @_;	2078	my ($self) = @_;
1596		2079
		2080	delete $cf::MAP{$self->path};
		2081
		2082	$self->unlink_save;
		2083
		2084	bless $self, "cf::map";
		2085	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2086	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2087	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2088	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2089
		2090	$cf::MAP{$self->path} = $self;
		2091
1600	$self->reset; # polite request, might not happen	2092	$self->reset; # polite request, might not happen
1601	}	2093	}
1602		2094
1603	sub customise_for {	2095	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2096
1606	if ($map->per_player) {	2097	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2098	maps. May block.
		2099
		2100	=cut
		2101
		2102	sub tmp_maps() {
1608	}	2103	[
		2104	map {
		2105	utf8::decode $_;
		2106	/\.map$/
		2107	? normalise $_
		2108	: ()
		2109	} @{ aio_readdir $TMPDIR or [] }
		2110	]
		2111	}
1609		2112
1610	$map	2113	=item $maps = cf::map::random_maps
		2114
		2115	Returns an arrayref with all map paths of currently instantiated and saved
		2116	random maps. May block.
		2117
		2118	=cut
		2119
		2120	sub random_maps() {
		2121	[
		2122	map {
		2123	utf8::decode $_;
		2124	/\.map$/
		2125	? normalise "?random/$_"
		2126	: ()
		2127	} @{ aio_readdir $RANDOMDIR or [] }
		2128	]
1611	}	2129	}
1612		2130
1613	=item cf::map::unique_maps	2131	=item cf::map::unique_maps
1614		2132
1615	Returns an arrayref of cf::path's of all shared maps that have	2133	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2134	instantiated unique items. May block.
1617		2135
1618	=cut	2136	=cut
1619		2137
1620	sub unique_maps() {	2138	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2139	[
1622	or return;	2140	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2141	utf8::decode $_;
1628	next if /\.pst$/;	2142	/\.map$/
1629	next unless /^$PATH_SEP/o;	2143	? normalise $_
1630		2144	: ()
1631	push @paths, new cf::path $_;	2145	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2146	]
1633
1634	\@paths
1635	}	2147	}
1636		2148
1637	package cf;	2149	package cf;
1638		2150
1639	=back	2151	=back
…		…
1685		2197
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2198	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2199
1688	if ($self->{record_replies}) {	2200	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2201	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2202
1690	} else {	2203	} else {
		2204	my $pl = $self->contr;
		2205
		2206	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2207	my $dialog = $pl->{npc_dialog};
		2208	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2209
		2210	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2211	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2212	$self->message ($msg, $flags);
		2213	}
1693	}	2214	}
		2215	}
		2216
		2217	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2218
		2219	=cut
		2220
		2221	sub cf::object::send_msg {
		2222	my $pl = shift->contr
		2223	or return;
		2224	$pl->send_msg (@_);
1694	}	2225	}
1695		2226
1696	=item $player_object->may ("access")	2227	=item $player_object->may ("access")
1697		2228
1698	Returns wether the given player is authorized to access resource "access"	2229	Returns wether the given player is authorized to access resource "access"
…		…
1711		2242
1712	=item $player_object->enter_link	2243	=item $player_object->enter_link
1713		2244
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2245	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2246
1716	The player should be reaosnably safe there for short amounts of time. You	2247	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2248	I<MUST> call C<leave_link> as soon as possible, though.
1718		2249
		2250	Will never block.
		2251
1719	=item $player_object->leave_link ($map, $x, $y)	2252	=item $player_object->leave_link ($map, $x, $y)
1720		2253
1721	Moves the player out of the specila link map onto the given map. If the	2254	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2255	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2256	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2257	fails, to the emergency map position.
1725		2258
1726	Might block.	2259	Might block.
1727		2260
1728	=cut	2261	=cut
		2262
		2263	sub link_map {
		2264	unless ($LINK_MAP) {
		2265	$LINK_MAP = cf::map::find "{link}"
		2266	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2267	$LINK_MAP->load;
		2268	}
		2269
		2270	$LINK_MAP
		2271	}
1729		2272
1730	sub cf::object::player::enter_link {	2273	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2274	my ($self) = @_;
1732		2275
1733	$self->deactivate_recursive;	2276	$self->deactivate_recursive;
1734		2277
1735	return if $self->map == $LINK_MAP;	2278	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2279
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2280	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2281	if $self->map && $self->map->{path} ne "{link}";
1739		2282
1740	$self->enter_map ($LINK_MAP, 20, 20);	2283	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2284	}
1742		2285
1743	sub cf::object::player::leave_link {	2286	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2287	my ($self, $map, $x, $y) = @_;
		2288
		2289	return unless $self->contr->active;
1745		2290
1746	my $link_pos = delete $self->{_link_pos};	2291	my $link_pos = delete $self->{_link_pos};
1747		2292
1748	unless ($map) {	2293	unless ($map) {
1749	# restore original map position	2294	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2308	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2309	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2310	if $x <=0 && $y <= 0;
1766		2311
1767	$map->load;	2312	$map->load;
1768	$map->load_diag;	2313	$map->load_neighbours;
1769		2314
1770	return unless $self->contr->active;	2315	return unless $self->contr->active;
1771	$self->activate_recursive;	2316	$self->activate_recursive;
		2317
		2318	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2319	$self->enter_map ($map, $x, $y);
1773	}	2320	}
1774		2321
1775	cf::player->attach (	2322	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2323
1779	# abort map switching before logout	2324	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2325	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2326	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2327	the new (success) or old (failed) map position. In either case, $done will
1783	};	2328	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2329
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2330	=cut
		2331
		2332	our $GOTOGEN;
1810		2333
1811	sub cf::object::player::goto {	2334	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2335	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2336
1814	$path = new cf::path $path;	2337	# do generation counting so two concurrent goto's will be executed in-order
		2338	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2339
1816	$self->enter_link;	2340	$self->enter_link;
1817		2341
1818	(async {	2342	(async {
		2343	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2344	my $map = cf::map::find $path;
		2345
		2346	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2347	$map = $map->customise_for ($self);
1821		2348	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2349	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2350	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2351	}
1826		2352
		2353	$map
		2354	};
		2355
		2356	if ($@) {
		2357	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	LOG llevError | logBacktrace, Carp::longmess $@;
		2359	}
		2360
		2361	if ($gen == $self->{_goto_generation}) {
		2362	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2363	$self->leave_link ($map, $x, $y);
		2364	}
		2365
		2366	$done->() if $done;
1828	})->prio (1);	2367	})->prio (1);
1829	}	2368	}
1830		2369
1831	=item $player_object->enter_exit ($exit_object)	2370	=item $player_object->enter_exit ($exit_object)
1832		2371
…		…
1834		2373
1835	sub parse_random_map_params {	2374	sub parse_random_map_params {
1836	my ($spec) = @_;	2375	my ($spec) = @_;
1837		2376
1838	my $rmp = { # defaults	2377	my $rmp = { # defaults
1839	xsize => 10,	2378	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2379	ysize => (cf::rndm 15, 40),
		2380	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2381	#layout => string,
1841	};	2382	};
1842		2383
1843	for (split /\n/, $spec) {	2384	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2385	my ($k, $v) = split /\s+/, $_, 2;
1845		2386
…		…
1849	$rmp	2390	$rmp
1850	}	2391	}
1851		2392
1852	sub prepare_random_map {	2393	sub prepare_random_map {
1853	my ($exit) = @_;	2394	my ($exit) = @_;
		2395
		2396	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2397
1855	# all this does is basically replace the /! path by	2398	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2399	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2400	# that depends on the exit object
1858		2401
1859	my $rmp = parse_random_map_params $exit->msg;	2402	my $rmp = parse_random_map_params $exit->msg;
1860		2403
1861	if ($exit->map) {	2404	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2405	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2406	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2407	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2408	$rmp->{origin_y} = $exit->y;
1866	}	2409	}
1867		2410
1868	$rmp->{random_seed} ||= $exit->random_seed;	2411	$rmp->{random_seed} ||= $exit->random_seed;
1869		2412
1870	my $data = cf::to_json $rmp;	2413	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2414	my $md5 = Digest::MD5::md5_hex $data;
		2415	my $meta = "$RANDOMDIR/$md5.meta";
1872		2416
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2417	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2418	aio_write $fh, 0, (length $data), $data, 0;
		2419	undef $fh;
		2420	aio_rename "$meta~", $meta;
1875		2421
1876	$exit->slaying ("?random/$md5");	2422	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2423	$exit->msg (undef);
1878	}	2424	}
1879	}	2425	}
…		…
1881	sub cf::object::player::enter_exit {	2427	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2428	my ($self, $exit) = @_;
1883		2429
1884	return unless $self->type == cf::PLAYER;	2430	return unless $self->type == cf::PLAYER;
1885		2431
		2432	if ($exit->slaying eq "/!") {
		2433	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2434	# the problem is that $exit might not survive long enough
		2435	# so it needs to be done right now, right here
		2436	cf::sync_job { prepare_random_map $exit };
		2437	}
		2438
		2439	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2440	my $hp = $exit->stats->hp;
		2441	my $sp = $exit->stats->sp;
		2442
1886	$self->enter_link;	2443	$self->enter_link;
		2444
		2445	# if exit is damned, update players death & WoR home-position
		2446	$self->contr->savebed ($slaying, $hp, $sp)
		2447	if $exit->flag (FLAG_DAMNED);
1887		2448
1888	(async {	2449	(async {
1889	$self->deactivate_recursive; # just to be sure	2450	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2451	unless (eval {
1891	prepare_random_map $exit	2452	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2453
1897	1;	2454	1;
1898	}) {	2455	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2456	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2457	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2458	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2459	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2460
1904	warn "ERROR in enter_exit: $@";	2461	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2462	$self->leave_link;
1906	}	2463	}
1907	})->prio (1);	2464	})->prio (1);
…		…
1920		2477
1921	sub cf::client::send_drawinfo {	2478	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2479	my ($self, $text, $flags) = @_;
1923		2480
1924	utf8::encode $text;	2481	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2482	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2483	}
1927		2484
		2485	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2486
		2487	Send a drawinfo or msg packet to the client, formatting the msg for the
		2488	client if neccessary. C<$type> should be a string identifying the type of
		2489	the message, with C<log> being the default. If C<$color> is negative, suppress
		2490	the message unless the client supports the msg packet.
		2491
		2492	=cut
		2493
		2494	sub cf::client::send_msg {
		2495	my ($self, $channel, $msg, $color, @extra) = @_;
		2496
		2497	$msg = $self->pl->expand_cfpod ($msg);
		2498
		2499	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2500
		2501	if (ref $channel) {
		2502	# send meta info to client, if not yet sent
		2503	unless (exists $self->{channel}{$channel->{id}}) {
		2504	$self->{channel}{$channel->{id}} = $channel;
		2505	$self->ext_msg (channel_info => $channel);
		2506	}
		2507
		2508	$channel = $channel->{id};
		2509	}
		2510
		2511	return unless @extra || length $msg;
		2512
		2513	if ($self->can_msg) {
		2514	# default colour, mask it out
		2515	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2516	if $color & cf::NDI_DEF;
		2517
		2518	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2519	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2520	} else {
		2521	if ($color >= 0) {
		2522	# replace some tags by gcfclient-compatible ones
		2523	for ($msg) {
		2524	1 while
		2525	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2526	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2527	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2528	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2529	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2530	}
		2531
		2532	$color &= cf::NDI_COLOR_MASK;
		2533
		2534	utf8::encode $msg;
		2535
		2536	if (0 && $msg =~ /\[/) {
		2537	# COMMAND/INFO
		2538	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2539	} else {
		2540	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2541	$self->send_packet ("drawinfo $color $msg")
		2542	}
		2543	}
		2544	}
		2545	}
		2546
		2547	=item $client->ext_msg ($type, @msg)
		2548
		2549	Sends an ext event to the client.
		2550
		2551	=cut
		2552
		2553	sub cf::client::ext_msg($$@) {
		2554	my ($self, $type, @msg) = @_;
		2555
		2556	my $extcmd = $self->extcmd;
		2557
		2558	if ($extcmd == 2) {
		2559	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2560	} elsif ($extcmd == 1) { # TODO: remove
		2561	push @msg, msgtype => "event_$type";
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2563	}
		2564	}
		2565
		2566	=item $client->ext_reply ($msgid, @msg)
		2567
		2568	Sends an ext reply to the client.
		2569
		2570	=cut
		2571
		2572	sub cf::client::ext_reply($$@) {
		2573	my ($self, $id, @msg) = @_;
		2574
		2575	if ($self->extcmd == 2) {
		2576	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2577	} elsif ($self->ns->extcmd == 1) {
		2578	#TODO: version 1, remove
		2579	unshift @msg, msgtype => "reply", msgid => $id;
		2580	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2581	}
		2582	}
1928		2583
1929	=item $success = $client->query ($flags, "text", \&cb)	2584	=item $success = $client->query ($flags, "text", \&cb)
1930		2585
1931	Queues a query to the client, calling the given callback with	2586	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2587	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2588	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2589
1935	Queries can fail, so check the return code. Or don't, as queries will become	2590	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2591	become reliable at some point in the future.
1937		2592
1938	=cut	2593	=cut
1939		2594
1940	sub cf::client::query {	2595	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2596	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2604	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2605	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2606
1952	$self->send_packet ($self->{query_queue}[0][0])	2607	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2608	if @{ $self->{query_queue} } == 1;
		2609
		2610	1
1954	}	2611	}
1955		2612
1956	cf::client->attach (	2613	cf::client->attach (
		2614	on_connect => sub {
		2615	my ($ns) = @_;
		2616
		2617	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2618	},
1957	on_reply => sub {	2619	on_reply => sub {
1958	my ($ns, $msg) = @_;	2620	my ($ns, $msg) = @_;
1959		2621
1960	# this weird shuffling is so that direct followup queries	2622	# this weird shuffling is so that direct followup queries
1961	# get handled first	2623	# get handled first
1962	my $queue = delete $ns->{query_queue}	2624	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2625	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2626
1965	(shift @$queue)->[1]->($msg);	2627	(shift @$queue)->[1]->($msg);
		2628	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2629
1967	push @{ $ns->{query_queue} }, @$queue;	2630	push @{ $ns->{query_queue} }, @$queue;
1968		2631
1969	if (@{ $ns->{query_queue} } == @$queue) {	2632	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2633	if (@$queue) {
…		…
1972	} else {	2635	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2636	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2637	}
1975	}	2638	}
1976	},	2639	},
		2640	on_exticmd => sub {
		2641	my ($ns, $buf) = @_;
		2642
		2643	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2644
		2645	if (ref $msg) {
		2646	my ($type, $reply, @payload) =
		2647	"ARRAY" eq ref $msg
		2648	? @$msg
		2649	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2650
		2651	if (my $cb = $EXTICMD{$type}) {
		2652	my @reply = $cb->($ns, @payload);
		2653
		2654	$ns->ext_reply ($reply, @reply)
		2655	if $reply;
		2656	}
		2657	} else {
		2658	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2659	}
		2660
		2661	cf::override;
		2662	},
1977	);	2663	);
1978		2664
1979	=item $client->async (\&cb)	2665	=item $client->async (\&cb)
1980		2666
1981	Create a new coroutine, running the specified callback. The coroutine will	2667	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	2708	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	2709	our $safe_hole = new Safe::Hole;
2024		2710
2025	$SIG{FPE} = 'IGNORE';	2711	$SIG{FPE} = 'IGNORE';
2026		2712
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2713	$safe->permit_only (Opcode::opset qw(
		2714	:base_core :base_mem :base_orig :base_math
		2715	grepstart grepwhile mapstart mapwhile
		2716	sort time
		2717	));
2028		2718
2029	# here we export the classes and methods available to script code	2719	# here we export the classes and methods available to script code
2030		2720
2031	=pod	2721	=pod
2032		2722
2033	The following fucntions and emthods are available within a safe environment:	2723	The following functions and methods are available within a safe environment:
2034		2724
2035	cf::object contr pay_amount pay_player map	2725	cf::object
		2726	contr pay_amount pay_player map x y force_find force_add
		2727	insert remove name archname title slaying race
		2728
2036	cf::object::player player	2729	cf::object::player
2037	cf::player peaceful	2730	player
2038	cf::map trigger	2731
		2732	cf::player
		2733	peaceful
		2734
		2735	cf::map
		2736	trigger
2039		2737
2040	=cut	2738	=cut
2041		2739
2042	for (	2740	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2741	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2742	insert remove inv name archname title slaying race)],
2044	["cf::object::player" => qw(player)],	2743	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2744	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2745	["cf::map" => qw(trigger)],
2047	) {	2746	) {
2048	no strict 'refs';	2747	no strict 'refs';
…		…
2119	=back	2818	=back
2120		2819
2121	=cut	2820	=cut
2122		2821
2123	#############################################################################	2822	#############################################################################
		2823	# the server's init and main functions
2124		2824
2125	=head2 EXTENSION DATABASE SUPPORT	2825	sub load_facedata($) {
		2826	my ($path) = @_;
2126		2827
2127	Crossfire maintains a very simple database for extension use. It can	2828	my $enc = JSON::XS->new->utf8->canonical;
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2829
2131	The parameter C<$family> should best start with the name of the extension	2830	warn "loading facedata from $path\n";
2132	using it, it should be unique.
2133		2831
2134	=over 4	2832	my $facedata;
		2833	0 < aio_load $path, $facedata
		2834	or die "$path: $!";
2135		2835
2136	=item $hashref = cf::db_get $family	2836	$facedata = Coro::Storable::thaw $facedata;
2137		2837
2138	Return a hashref for use by the extension C<$family>, which can be	2838	$facedata->{version} == 2
2139	modified. After modifications, you have to call C<cf::db_dirty> or	2839	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140	C<cf::db_sync>.
2141		2840
2142	=item $value = cf::db_get $family => $key	2841	# patch in the exptable
2143		2842	$facedata->{resource}{"res/exp_table"} = {
2144	Returns a single value from the database	2843	type => FT_RSRC,
2145		2844	data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]),
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2845	};
		2846	cf::cede_to_tick;
2197		2847
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	2848	{
		2849	my $faces = $facedata->{faceinfo};
2202		2850
2203	sub db_get($;$) {	2851	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	2852	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}	2853	cf::face::set_visibility $idx, $info->{visibility};
2206	: ($DB->{$_[0]} ||= { })	2854	cf::face::set_magicmap $idx, $info->{magicmap};
2207	}	2855	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2856	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2208		2857
2209	sub db_put($$;$) {	2858	cf::cede_to_tick;
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2859	}
2223	);
2224	}
2225		2860
2226	#############################################################################	2861	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2862	next unless $info->{smooth};
		2863	my $idx = cf::face::find $face
		2864	or next;
		2865	if (my $smooth = cf::face::find $info->{smooth}) {
		2866	cf::face::set_smooth $idx, $smooth;
		2867	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2868	} else {
		2869	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2870	}
		2871
		2872	cf::cede_to_tick;
		2873	}
		2874	}
		2875
		2876	{
		2877	my $anims = $facedata->{animinfo};
		2878
		2879	while (my ($anim, $info) = each %$anims) {
		2880	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2881	cf::cede_to_tick;
		2882	}
		2883
		2884	cf::anim::invalidate_all; # d'oh
		2885	}
		2886
		2887	{
		2888	# TODO: for gcfclient pleasure, we should give resources
		2889	# that gcfclient doesn't grok a >10000 face index.
		2890	my $res = $facedata->{resource};
		2891
		2892	my $soundconf = delete $res->{"res/sound.conf"};
		2893
		2894	while (my ($name, $info) = each %$res) {
		2895	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2896	my $data;
		2897
		2898	if ($info->{type} & 1) {
		2899	# prepend meta info
		2900
		2901	my $meta = $enc->encode ({
		2902	name => $name,
		2903	%{ $info->{meta} || {} },
		2904	});
		2905
		2906	$data = pack "(w/a*)*", $meta, $info->{data};
		2907	}
		2908
		2909	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2910	cf::face::set_type $idx, $info->{type};
		2911
		2912	cf::cede_to_tick;
		2913	}
		2914
		2915	if ($soundconf) {
		2916	$soundconf = $enc->decode (delete $soundconf->{data});
		2917
		2918	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2919	my $sound = $soundconf->{compat}[$_]
		2920	or next;
		2921
		2922	my $face = cf::face::find "sound/$sound->[1]";
		2923	cf::sound::set $sound->[0] => $face;
		2924	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2925	}
		2926
		2927	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2928	my $face = cf::face::find "sound/$v";
		2929	cf::sound::set $k => $face;
		2930	}
		2931	}
		2932	}
		2933
		2934	1
		2935	}
		2936
		2937	register_exticmd fx_want => sub {
		2938	my ($ns, $want) = @_;
		2939
		2940	while (my ($k, $v) = each %$want) {
		2941	$ns->fx_want ($k, $v);
		2942	}
		2943	};
		2944
		2945	sub reload_regions {
		2946	load_resource_file "$MAPDIR/regions"
		2947	or die "unable to load regions file\n";
		2948
		2949	for (cf::region::list) {
		2950	$_->{match} = qr/$_->{match}/
		2951	if exists $_->{match};
		2952	}
		2953	}
		2954
		2955	sub reload_facedata {
		2956	load_facedata "$DATADIR/facedata"
		2957	or die "unable to load facedata\n";
		2958	}
		2959
		2960	sub reload_archetypes {
		2961	load_resource_file "$DATADIR/archetypes"
		2962	or die "unable to load archetypes\n";
		2963	#d# NEED to laod twice to resolve forward references
		2964	# this really needs to be done in an extra post-pass
		2965	# (which needs to be synchronous, so solve it differently)
		2966	load_resource_file "$DATADIR/archetypes"
		2967	or die "unable to load archetypes\n";
		2968	}
		2969
		2970	sub reload_treasures {
		2971	load_resource_file "$DATADIR/treasures"
		2972	or die "unable to load treasurelists\n";
		2973	}
		2974
		2975	sub reload_resources {
		2976	warn "reloading resource files...\n";
		2977
		2978	reload_regions;
		2979	reload_facedata;
		2980	#reload_archetypes;#d#
		2981	reload_archetypes;
		2982	reload_treasures;
		2983
		2984	warn "finished reloading resource files\n";
		2985	}
		2986
		2987	sub init {
		2988	reload_resources;
		2989	}
2228		2990
2229	sub cfg_load {	2991	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	2992	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	2993	or return;
2232		2994
2233	local $/;	2995	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	2996	*CFG = YAML::Syck::Load <$fh>;
2235		2997
…		…
2249		3011
2250	sub main {	3012	sub main {
2251	# we must not ever block the main coroutine	3013	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3014	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3015	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3016	(async {
2254	async { Event::one_event };	3017	Event::one_event;
		3018	})->prio (Coro::PRIO_MAX);
2255	};	3019	};
2256		3020
2257	cfg_load;	3021	cfg_load;
2258	db_load;	3022	db_init;
2259	load_extensions;	3023	load_extensions;
		3024
		3025	$TICK_WATCHER->start;
2260	Event::loop;	3026	Event::loop;
2261	}	3027	}
2262		3028
2263	#############################################################################	3029	#############################################################################
2264	# initialisation and cleanup	3030	# initialisation and cleanup
2265		3031
2266	# install some emergency cleanup handlers	3032	# install some emergency cleanup handlers
2267	BEGIN {	3033	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	3034	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3035	Event->signal (
		3036	reentrant => 0,
2270	data => WF_AUTOCANCEL,	3037	data => WF_AUTOCANCEL,
2271	signal => $signal,	3038	signal => $signal,
		3039	prio => 0,
2272	cb => sub {	3040	cb => sub {
2273	cf::cleanup "SIG$signal";	3041	cf::cleanup "SIG$signal";
2274	},	3042	},
2275	);	3043	);
2276	}	3044	}
2277	}	3045	}
2278		3046
		3047	sub write_runtime {
		3048	my $runtime = "$LOCALDIR/runtime";
		3049
		3050	# first touch the runtime file to show we are still running:
		3051	# the fsync below can take a very very long time.
		3052
		3053	IO::AIO::aio_utime $runtime, undef, undef;
		3054
		3055	my $guard = cf::lock_acquire "write_runtime";
		3056
		3057	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3058	or return;
		3059
		3060	my $value = $cf::RUNTIME + 90 + 10;
		3061	# 10 is the runtime save interval, for a monotonic clock
		3062	# 60 allows for the watchdog to kill the server.
		3063
		3064	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3065	and return;
		3066
		3067	# always fsync - this file is important
		3068	aio_fsync $fh
		3069	and return;
		3070
		3071	# touch it again to show we are up-to-date
		3072	aio_utime $fh, undef, undef;
		3073
		3074	close $fh
		3075	or return;
		3076
		3077	aio_rename "$runtime~", $runtime
		3078	and return;
		3079
		3080	warn "runtime file written.\n";
		3081
		3082	1
		3083	}
		3084
2279	sub emergency_save() {	3085	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3086	my $freeze_guard = cf::freeze_mainloop;
2281		3087
2282	warn "enter emergency perl save\n";	3088	warn "enter emergency perl save\n";
2283		3089
2284	cf::sync_job {	3090	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3091	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3092	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3093	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3094	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3095	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3096	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3097	$pl->valid or next;
2292	$pl->save;	3098	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3104	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3105	$map->valid or next;
2300	$map->save;	3106	$map->save;
2301	}	3107	}
2302	warn "end emergency map save\n";	3108	warn "end emergency map save\n";
		3109
		3110	warn "begin emergency database checkpoint\n";
		3111	BDB::db_env_txn_checkpoint $DB_ENV;
		3112	warn "end emergency database checkpoint\n";
2303	};	3113	};
2304		3114
2305	warn "leave emergency perl save\n";	3115	warn "leave emergency perl save\n";
2306	}	3116	}
2307		3117
		3118	sub post_cleanup {
		3119	my ($make_core) = @_;
		3120
		3121	warn Carp::longmess "post_cleanup backtrace"
		3122	if $make_core;
		3123	}
		3124
2308	sub reload() {	3125	sub do_reload_perl() {
2309	# can/must only be called in main	3126	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3127	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3128	warn "can only reload from main coroutine";
2312	return;	3129	return;
2313	}	3130	}
2314		3131
2315	warn "reloading...";	3132	warn "reloading...";
2316		3133
2317	warn "freezing server";	3134	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3135
		3136	cf::sync_job {
		3137	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3138	cf::emergency_save;
		3139	cf::write_runtime; # external watchdog should not bark
2320		3140
2321	warn "sync database to disk";	3141	warn "syncing database to disk";
2322	cf::db_sync;	3142	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3143
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3144	# if anything goes wrong in here, we should simply crash as we already saved
2327		3145
2328	warn "cancel all watchers";	3146	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3147	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3148	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3149	}
2332		3150
		3151	warn "flushing outstanding aio requests";
		3152	for (;;) {
		3153	BDB::flush;
		3154	IO::AIO::flush;
		3155	Coro::cede;
		3156	last unless IO::AIO::nreqs || BDB::nreqs;
		3157	warn "iterate...";
		3158	}
		3159
		3160	++$RELOAD;
		3161
2333	warn "cancel all extension coros";	3162	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3163	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3164	%EXT_CORO = ();
2336		3165
2337	warn "remove commands";	3166	warn "removing commands";
2338	%COMMAND = ();	3167	%COMMAND = ();
2339		3168
2340	warn "remove ext commands";	3169	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3170	%EXTCMD = ();
		3171	%EXTICMD = ();
2342		3172
2343	warn "unload/nuke all extensions";	3173	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3174	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3175	warn "... unloading $pkg";
2346		3176
2347	if (my $cb = $pkg->can ("unload")) {	3177	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3178	eval {
…		…
2353		3183
2354	warn "... nuking $pkg";	3184	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3185	Symbol::delete_package $pkg;
2356	}	3186	}
2357		3187
2358	warn "unload all perl modules loaded from $LIBDIR";	3188	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3189	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3190	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3191
2362	warn "removing <$k>";	3192	warn "... unloading $k";
2363	delete $INC{$k};	3193	delete $INC{$k};
2364		3194
2365	$k =~ s/\.pm$//;	3195	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3196	$k =~ s/\//::/g;
2367		3197
…		…
2370	}	3200	}
2371		3201
2372	Symbol::delete_package $k;	3202	Symbol::delete_package $k;
2373	}	3203	}
2374		3204
2375	warn "get rid of safe::, as good as possible";	3205	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3206	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3207	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3208
2379	warn "unload cf.pm \"a bit\"";	3209	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3210	delete $INC{"cf.pm"};
		3211	delete $INC{"cf/pod.pm"};
2381		3212
2382	# don't, removes xs symbols, too,	3213	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3214	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3215	#Symbol::delete_package __PACKAGE__;
2385		3216
		3217	warn "unload completed, starting to reload now";
		3218
2386	warn "reloading cf.pm";	3219	warn "reloading cf.pm";
2387	require cf;	3220	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3221	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3222
2390	warn "load config and database again";	3223	warn "loading config and database again";
2391	cf::cfg_load;	3224	cf::cfg_load;
2392	cf::db_load;
2393		3225
2394	warn "load extensions";	3226	warn "loading extensions";
2395	cf::load_extensions;	3227	cf::load_extensions;
2396		3228
2397	warn "reattach attachments to objects/players";	3229	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3230	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3231	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3232	reattach $_ for values %MAP;
2401	};	3233	warn "reattaching attachments to players";
		3234	reattach $_ for values %PLAYER;
2402		3235
2403	if ($@) {	3236	warn "leaving sync_job";
		3237
		3238	1
		3239	} or do {
2404	warn $@;	3240	warn $@;
2405	warn "error while reloading, exiting.";	3241	warn "error while reloading, exiting.";
2406	exit 1;	3242	exit 1;
2407	}	3243	};
2408		3244
2409	warn "reloaded";	3245	warn "reloaded";
2410	};	3246	};
2411		3247
2412	#############################################################################	3248	our $RELOAD_WATCHER; # used only during reload
2413		3249
2414	unless ($LINK_MAP) {	3250	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3251	# doing reload synchronously and two reloads happen back-to-back,
		3252	# coro crashes during coro_state_free->destroy here.
2416		3253
2417	$LINK_MAP->width (41);	3254	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3255	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3256	after => 0,
		3257	data => WF_AUTOCANCEL,
2427	cb => sub {	3258	cb => sub {
2428	$_[0]->w->cancel;	3259	do_reload_perl;
2429		3260	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3261	},
2448		3262	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3263	}
2454		3264
2455	register_command "reload" => sub {	3265	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3266	my ($who, $arg) = @_;
2457		3267
2458	if ($who->flag (FLAG_WIZ)) {	3268	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3269	$who->message ("reloading server.");
		3270	async { reload_perl };
2462	}	3271	}
2463	};	3272	};
2464		3273
2465	unshift @INC, $LIBDIR;	3274	unshift @INC, $LIBDIR;
2466		3275
		3276	my $bug_warning = 0;
		3277
		3278	our @WAIT_FOR_TICK;
		3279	our @WAIT_FOR_TICK_BEGIN;
		3280
		3281	sub wait_for_tick {
		3282	return unless $TICK_WATCHER->is_active;
		3283	return if $Coro::current == $Coro::main;
		3284
		3285	my $signal = new Coro::Signal;
		3286	push @WAIT_FOR_TICK, $signal;
		3287	$signal->wait;
		3288	}
		3289
		3290	sub wait_for_tick_begin {
		3291	return unless $TICK_WATCHER->is_active;
		3292	return if $Coro::current == $Coro::main;
		3293
		3294	my $signal = new Coro::Signal;
		3295	push @WAIT_FOR_TICK_BEGIN, $signal;
		3296	$signal->wait;
		3297	}
		3298
		3299	my $min = 1e6;#d#
		3300	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3301	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3302	reentrant => 0,
		3303	parked => 1,
2469	prio => 0,	3304	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3305	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3306	data => WF_AUTOCANCEL,
2472	cb => sub {	3307	cb => sub {
		3308	if ($Coro::current != $Coro::main) {
		3309	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3310	unless ++$bug_warning > 10;
		3311	return;
		3312	}
		3313
2473	$NOW = Event::time;	3314	$NOW = $tick_start = Event::time;
2474		3315
2475	cf::server_tick; # one server iteration	3316	cf::server_tick; # one server iteration
		3317
		3318	0 && sync_job {#d#
		3319	for(1..10) {
		3320	my $t = Event::time;
		3321	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3322	or die;
		3323
		3324	$map->width (50);
		3325	$map->height (50);
		3326	$map->alloc;
		3327	$map->_load_objects ("/tmp/x.map", 1);
		3328	my $t = Event::time - $t;
		3329
		3330	#next unless $t < 0.0013;#d#
		3331	if ($t < $min) {
		3332	$min = $t;
		3333	}
		3334	$avg = $avg * 0.99 + $t * 0.01;
		3335	}
		3336	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3337	exit 0;
		3338	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3339	};
		3340
2476	$RUNTIME += $TICK;	3341	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3342	$NEXT_TICK += $TICK;
2478		3343
2479	$WAIT_FOR_TICK->broadcast;	3344	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3345	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3346	Coro::async_pool {
		3347	write_runtime
		3348	or warn "ERROR: unable to write runtime file: $!";
		3349	};
		3350	}
		3351
		3352	# my $AFTER = Event::time;
		3353	# warn $AFTER - $NOW;#d#
		3354
		3355	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3356	$sig->send;
		3357	}
		3358	while (my $sig = shift @WAIT_FOR_TICK) {
		3359	$sig->send;
		3360	}
		3361
		3362	$NOW = Event::time;
2481		3363
2482	# if we are delayed by four ticks or more, skip them all	3364	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3365	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3366
2485	$TICK_WATCHER->at ($NEXT_TICK);	3367	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3368	$TICK_WATCHER->start;
		3369
		3370	$LOAD = ($NOW - $tick_start) / $TICK;
		3371	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3372
		3373	_post_tick;
		3374
		3375
2487	},	3376	},
2488	);	3377	);
2489		3378
		3379	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3380	BDB::max_poll_time $TICK * 0.1;
2491		3381	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3382	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3383	fd => BDB::poll_fileno,
2494	poll => 'r',	3384	poll => 'r',
2495	prio => 5,	3385	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3386	data => WF_AUTOCANCEL,
2502	after => 0,	3387	cb => \&BDB::poll_cb,
2503	interval => 10,	3388	);
2504	cb => sub {	3389	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3390
2506	write_runtime	3391	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3392	my $status;
		3393	my $current = $Coro::current;
		3394	(
		3395	sub {
		3396	$status = $!;
		3397	$current->ready; undef $current;
		3398	},
		3399	sub {
		3400	Coro::schedule while defined $current;
		3401	$! = $status;
		3402	},
		3403	)
		3404	};
		3405
		3406	unless ($DB_ENV) {
		3407	$DB_ENV = BDB::db_env_create;
		3408
		3409	cf::sync_job {
		3410	eval {
		3411	BDB::db_env_open
		3412	$DB_ENV,
		3413	$BDBDIR,
		3414	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3415	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3416	0666;
		3417
		3418	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3419
		3420	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3421	$DB_ENV->set_lk_detect;
		3422	};
		3423
		3424	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3425	};
2509	},	3426	}
2510	);	3427	}
		3428
		3429	{
		3430	IO::AIO::min_parallel 8;
		3431
		3432	undef $Coro::AIO::WATCHER;
		3433	IO::AIO::max_poll_time $TICK * 0.1;
		3434	$AIO_POLL_WATCHER = Event->io (
		3435	reentrant => 0,
		3436	data => WF_AUTOCANCEL,
		3437	fd => IO::AIO::poll_fileno,
		3438	poll => 'r',
		3439	prio => 6,
		3440	cb => \&IO::AIO::poll_cb,
		3441	);
		3442	}
		3443
		3444	my $_log_backtrace;
		3445
		3446	sub _log_backtrace {
		3447	my ($msg, @addr) = @_;
		3448
		3449	$msg =~ s/\n//;
		3450
		3451	# limit the # of concurrent backtraces
		3452	if ($_log_backtrace < 2) {
		3453	++$_log_backtrace;
		3454	async {
		3455	my @bt = fork_call {
		3456	@addr = map { sprintf "%x", $_ } @addr;
		3457	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3458	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3459	or die "addr2line: $!";
		3460
		3461	my @funcs;
		3462	my @res = <$fh>;
		3463	chomp for @res;
		3464	while (@res) {
		3465	my ($func, $line) = splice @res, 0, 2, ();
		3466	push @funcs, "[$func] $line";
		3467	}
		3468
		3469	@funcs
		3470	};
		3471
		3472	LOG llevInfo, "[ABT] $msg\n";
		3473	LOG llevInfo, "[ABT] $_\n" for @bt;
		3474	--$_log_backtrace;
		3475	};
		3476	} else {
		3477	LOG llevInfo, "[ABT] $msg\n";
		3478	LOG llevInfo, "[ABT] [suppressed]\n";
		3479	}
		3480	}
		3481
		3482	# load additional modules
		3483	use cf::pod;
2511		3484
2512	END { cf::emergency_save }	3485	END { cf::emergency_save }
2513		3486
2514	1	3487	1
2515		3488

Diff Legend

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