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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.147 by root, Mon Jan 8 12:23:33 2007 UTC vs.
Revision 1.332 by root, Sat Aug 18 17:33:53 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
		28	use Data::Dumper;
20	use Digest::MD5;	29	use Digest::MD5;
21	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
22	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
23	use YAML::Syck ();
24	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
25		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
26	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
27		44
28	# 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?
29	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
30		47
31	$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
32		49
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		51
35	our %COMMAND = ();	52	our %COMMAND = ();
36	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
		54
		55	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
		58	our %EXT_CORO = (); # coroutines bound to extensions
		59	our %EXT_MAP = (); # pluggable maps
38		60
		61	our $RELOAD; # number of reloads so far
39	our @EVENT;	62	our @EVENT;
40	our $LIBDIR = datadir . "/ext";
41		63
42	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(!)
43	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	80	our $NEXT_TICK;
45	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;
46		86
47	our %CFG;	87	our %CFG;
48		88
49	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	90	our $RUNTIME;
51		91
52	our %PLAYER; # all users	92	our %PLAYER; # all users
53	our %MAP; # all maps	93	our %MAP; # all maps
54	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
55	our $RANDOM_MAPS = cf::localdir . "/random";	95
56	our %EXT_CORO; # coroutines bound to extensions	96	# used to convert map paths into valid unix filenames by replacing / by ∕
		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 $tick_start; # for load detecting purposes
57		102
58	binmode STDOUT;	103	binmode STDOUT;
59	binmode STDERR;	104	binmode STDERR;
60		105
61	# read virtual server time, if available	106	# read virtual server time, if available
62	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
63	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
64	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
65	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
66	}	111	}
67		112
68	mkdir cf::localdir;	113	mkdir $_
69	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
70	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;
73		115
74	# a special map that is always available
75	our $LINK_MAP;
76	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
77		119
78	#############################################################################	120	#############################################################################
79		121
80	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
81		123
…		…
88	=item $cf::RUNTIME	130	=item $cf::RUNTIME
89		131
90	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
91	every server tick.	133	every server tick.
92		134
93	=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
94		138
95	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
96	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.
97		143
98	=item $cf::NOW	144	=item $cf::NOW
99		145
100	The time of the last (current) server tick.	146	The time of the last (current) server tick.
101		147
102	=item $cf::TICK	148	=item $cf::TICK
103		149
104	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.
105		161
106	=item %cf::CFG	162	=item %cf::CFG
107		163
108	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
109	from wherever your confdir points to.	165	from wherever your confdir points to.
		166
		167	=item cf::wait_for_tick, cf::wait_for_tick_begin
		168
		169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
		170	returns directly I<after> the tick processing (and consequently, can only wake one process
		171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
		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.
110		178
111	=back	179	=back
112		180
113	=cut	181	=cut
114		182
115	BEGIN {	183	BEGIN {
116	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
117	my $msg = join "", @_;	185	my $msg = join "", @_;
118	utf8::encode $msg;
119		186
120	$msg .= "\n"	187	$msg .= "\n"
121	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
122		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
123	LOG llevError, $msg;	193	LOG llevError, $msg;
124	};	194	};
125	}	195	}
126		196
127	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
129	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
130	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
131	@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';
132	@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)
133		204
134	# 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
135	# within the Safe compartment.	206	# within the Safe compartment.
136	for my $pkg (qw(	207	for my $pkg (qw(
137	cf::global cf::attachable	208	cf::global cf::attachable
…		…
146		217
147	$Event::DIED = sub {	218	$Event::DIED = sub {
148	warn "error in event callback: @_";	219	warn "error in event callback: @_";
149	};	220	};
150		221
151	my %ext_pkg;	222	#############################################################################
152	my @exts;
153	my @hook;
154		223
155	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
156		225
157	=over 4	226	=over 4
158		227
159	=cut	228	=item dumpval $ref
160		229
161	use JSON::Syck (); # TODO# replace by JSON::PC once working	230	=cut
		231
		232	sub dumpval {
		233	eval {
		234	local $SIG{__DIE__};
		235	my $d;
		236	if (1) {
		237	$d = new Data::Dumper([$_[0]], ["*var"]);
		238	$d->Terse(1);
		239	$d->Indent(2);
		240	$d->Quotekeys(0);
		241	$d->Useqq(1);
		242	#$d->Bless(...);
		243	$d->Seen($_[1]) if @_ > 1;
		244	$d = $d->Dump();
		245	}
		246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		247	$d
		248	} || "[unable to dump $_[0]: '$@']";
		249	}
162		250
163	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
164		252
165	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
166		254
167	=cut
168
169	sub from_json($) {
170	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
171	JSON::Syck::Load $_[0]
172	}
173
174	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
175		256
176	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
177		258
178	=cut	259	=cut
179		260
180	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
181	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
182	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
183	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
184		265
185	=item cf::lock_wait $string	266	=item cf::lock_wait $string
186		267
187	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
188		269
…		…
194	returned.	275	returned.
195		276
196	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
197	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
198		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
199	=cut	284	=cut
200		285
201	our %LOCK;	286	our %LOCK;
202		287
203	sub lock_wait($) {	288	sub lock_wait($) {
…		…
222	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
223	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
224	}	309	}
225	}	310	}
226		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
227	sub freeze_mainloop {	318	sub freeze_mainloop {
228	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
229		320
230	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
231	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
232	$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;
233	}	382	}
234		383
235	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
236		385
237	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
242		391
243	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
244		393
245	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
246		395
247	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)
248	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
249	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.
250		400
251	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
252	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
253	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
254	fast or be very important.	404	fast or be very important.
…		…
257		407
258	sub sync_job(&) {	408	sub sync_job(&) {
259	my ($job) = @_;	409	my ($job) = @_;
260		410
261	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
262	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
263	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
264		416
265	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
266	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
277		429
278	while ($busy) {	430	while ($busy) {
279	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
280	}	432	}
281		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
282	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
283	} else {	442	} else {
284	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
285		444
286	$job->()	445	$job->()
287	}	446	}
288	}	447	}
289		448
290	=item $coro = cf::async_ext { BLOCK }	449	=item $coro = cf::async_ext { BLOCK }
291		450
292	Like async, but this coro is automcatially being canceled when the	451	Like async, but this coro is automatically being canceled when the
293	extension calling this is being unloaded.	452	extension calling this is being unloaded.
294		453
295	=cut	454	=cut
296		455
297	sub async_ext(&) {	456	sub async_ext(&) {
…		…
305	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
306		465
307	$coro	466	$coro
308	}	467	}
309		468
310	sub write_runtime {	469	=item fork_call { }, $args
311	my $runtime = cf::localdir . "/runtime";
312		470
313	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
314	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.
315		475
316	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
317	(aio_write $fh, 0, (length $value), $value, 0) <= 0
318	and return;
319		477
320	aio_fsync $fh	478	sub fork_call(&@) {
321	and return;	479	my ($cb, @args) = @_;
322		480
323	close $fh	481	# we seemingly have to make a local copy of the whole thing,
324	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
325		484
326	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
327	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
328		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	};
329	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 });
330	}	618	}
331		619
332	=back	620	=back
333		621
334	=cut	622	=cut
335
336	#############################################################################
337
338	package cf::path;
339
340	sub new {
341	my ($class, $path, $base) = @_;
342
343	$path = $path->as_string if ref $path;
344
345	my $self = bless { }, $class;
346
347	# {... are special paths that are not touched
348	# ?xxx/... are special absolute paths
349	# ?random/... random maps
350	# /! non-realised random map exit
351	# /... normal maps
352	# ~/... per-player maps without a specific player (DO NOT USE)
353	# ~user/... per-player map of a specific user
354
355	if ($path =~ /^{/) {
356	# fine as it is
357	} elsif ($path =~ s{^\?random/}{}) {
358	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359	$self->{random} = cf::from_json $data;
360	} else {
361	if ($path =~ s{^~([^/]+)?}{}) {
362	$self->{user_rel} = 1;
363
364	if (defined $1) {
365	$self->{user} = $1;
366	} elsif ($base =~ m{^~([^/]+)/}) {
367	$self->{user} = $1;
368	} else {
369	warn "cannot resolve user-relative path without user <$path,$base>\n";
370	}
371	} elsif ($path =~ /^\//) {
372	# already absolute
373	} else {
374	$base =~ s{[^/]+/?$}{};
375	return $class->new ("$base/$path");
376	}
377
378	for ($path) {
379	redo if s{/\.?/}{/};
380	redo if s{/[^/]+/\.\./}{/};
381	}
382	}
383
384	$self->{path} = $path;
385
386	$self
387	}
388
389	# the name / primary key / in-game path
390	sub as_string {
391	my ($self) = @_;
392
393	$self->{user_rel} ? "~$self->{user}$self->{path}"
394	: $self->{random} ? "?random/$self->{path}"
395	: $self->{path}
396	}
397
398	# the displayed name, this is a one way mapping
399	sub visible_name {
400	my ($self) = @_;
401
402	# if (my $rmp = $self->{random}) {
403	# # todo: be more intelligent about this
404	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405	# } else {
406	$self->as_string
407	# }
408	}
409
410	# escape the /'s in the path
411	sub _escaped_path {
412	# ∕ is U+2215
413	(my $path = $_[0]{path}) =~ s/\//∕/g;
414	$path
415	}
416
417	# the original (read-only) location
418	sub load_path {
419	my ($self) = @_;
420
421	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422	}
423
424	# the temporary/swap location
425	sub save_path {
426	my ($self) = @_;
427
428	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431	}
432
433	# the unique path, might be eq to save_path
434	sub uniq_path {
435	my ($self) = @_;
436
437	$self->{user_rel} || $self->{random}
438	? undef
439	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440	}
441
442	# return random map parameters, or undef
443	sub random_map_params {
444	my ($self) = @_;
445
446	$self->{random}
447	}
448
449	# this is somewhat ugly, but style maps do need special treatment
450	sub is_style_map {
451	$_[0]{path} =~ m{^/styles/}
452	}
453
454	package cf;
455		623
456	#############################################################################	624	#############################################################################
457		625
458	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
459		627
…		…
461	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")
462	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
463		631
464	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>
465	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
466	crossfire+).	634	Crossfire TRT).
467		635
468	=over 4	636	=over 4
469		637
470	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
471		639
…		…
585	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
586	our @CB_MAP = ();	754	our @CB_MAP = ();
587		755
588	my %attachment;	756	my %attachment;
589		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
590	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
591	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
592		766
593	use sort 'stable';	767	use sort 'stable';
594		768
…		…
628	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
629		803
630	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
631	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
632	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
633	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
634		808
635	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
636	my $pkg = shift @arg;	810	my $pkg = shift @arg;
637		811
638	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
667	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
668	}	842	}
669		843
670	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
671	} else {	845	} else {
672	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
673	}	847	}
674		848
675	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
676	}	850	}
677		851
…		…
679	if (ref $_[0]) {	853	if (ref $_[0]) {
680	_object_attach @_;	854	_object_attach @_;
681	} else {	855	} else {
682	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
683	}	857	}
		858	_recalc_want;
684	};	859	};
685		860
686	# all those should be optimised	861	# all those should be optimised
687	sub cf::attachable::detach {	862	sub cf::attachable::detach {
688	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
691	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
692	reattach ($obj);	867	reattach ($obj);
693	} else {	868	} else {
694	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
695	}	870	}
		871	_recalc_want;
696	};	872	};
697		873
698	sub cf::attachable::attached {	874	sub cf::attachable::attached {
699	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
700		876
…		…
715	";	891	";
716	die if $@;	892	die if $@;
717	}	893	}
718		894
719	our $override;	895	our $override;
720	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?
721		897
722	sub override {	898	sub override {
723	$override = 1;	899	$override = 1;
724	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
725	}	901	}
726		902
727	sub do_invoke {	903	sub do_invoke {
728	my $event = shift;	904	my $event = shift;
729	my $callbacks = shift;	905	my $callbacks = shift;
730		906
731	@invoke_results = ();	907	@INVOKE_RESULTS = ();
732		908
733	local $override;	909	local $override;
734		910
735	for (@$callbacks) {	911	for (@$callbacks) {
736	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
753		929
754	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
755		931
756	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
757	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
758	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
759		935
760	=back	936	=back
761		937
762	=cut	938	=cut
763		939
764	#############################################################################	940	#############################################################################
765	# 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	}
766		953
767	sub reattach {	954	sub reattach {
768	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
769	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770		959
771	my $registry = $obj->registry;	960	my $registry = $obj->registry;
772		961
773	@$registry = ();	962	@$registry = ();
774		963
…		…
821	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
822		1011
823	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
824	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
825	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
826	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
827	close $fh;	1016	close $fh;
828		1017
829	if (@$objs) {	1018	if (@$objs) {
830	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) {
831	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
832	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
833	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
834	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
835	close $fh;	1024	close $fh;
836	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
837	}	1026	}
838	} else {	1027	} else {
839	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
871	or return;	1060	or return;
872	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
873	}	1062	}
874		1063
875	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
876	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
877	return ($data, $av);	1066	return ($data, $av);
878	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
879		1074
880	#############################################################################	1075	#############################################################################
881	# command handling &c	1076	# command handling &c
882		1077
883	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
896	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
897	}	1092	}
898		1093
899	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
900		1095
901	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.
902		1101
903	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
904	called.	1103	called.
905		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
906	=cut	1116	=cut
907		1117
908	sub register_extcmd {	1118	sub register_extcmd {
909	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
910		1120
911	my $caller = caller;
912	#warn "registering extcmd '$name' to '$caller'";
913
914	$EXTCMD{$name} = [$cb, $caller];	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
915	}	1128	}
916		1129
917	cf::player->attach (	1130	cf::player->attach (
918	on_command => sub {	1131	on_command => sub {
919	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
928	cf::override;	1141	cf::override;
929	},	1142	},
930	on_extcmd => sub {	1143	on_extcmd => sub {
931	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
932		1145
933	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
934		1147
935	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
936	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
937	if (my %reply = $cb->[0]->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
938	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
939	}	1158	if $reply;
940	}	1159	}
941	} else {	1160	} else {
942	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
943	}	1162	}
944		1163
945	cf::override;	1164	cf::override;
946	},	1165	},
947	);	1166	);
948		1167
949	sub register {
950	my ($base, $pkg) = @_;
951
952	#TODO
953	}
954
955	sub load_extension {
956	my ($path) = @_;
957
958	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
959	my $base = $1;
960	my $pkg = $1;
961	$pkg =~ s/[^[:word:]]/_/g;
962	$pkg = "ext::$pkg";
963
964	warn "loading '$path' into '$pkg'\n";
965
966	open my $fh, "<:utf8", $path
967	or die "$path: $!";
968
969	my $source =
970	"package $pkg; use strict; use utf8;\n"
971	. "#line 1 \"$path\"\n{\n"
972	. (do { local $/; <$fh> })
973	. "\n};\n1";
974
975	eval $source
976	or die $@ ? "$path: $@\n"
977	: "extension disabled.\n";
978
979	push @exts, $pkg;
980	$ext_pkg{$base} = $pkg;
981
982	# no strict 'refs';
983	# @{"$pkg\::ISA"} = ext::;
984
985	register $base, $pkg;
986	}
987
988	sub unload_extension {
989	my ($pkg) = @_;
990
991	warn "removing extension $pkg\n";
992
993	# remove hooks
994	#TODO
995	# for my $idx (0 .. $#PLUGIN_EVENT) {
996	# delete $hook[$idx]{$pkg};
997	# }
998
999	# remove commands
1000	for my $name (keys %COMMAND) {
1001	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003	if (@cb) {
1004	$COMMAND{$name} = \@cb;
1005	} else {
1006	delete $COMMAND{$name};
1007	}
1008	}
1009
1010	# remove extcmds
1011	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012	delete $EXTCMD{$name};
1013	}
1014
1015	if (my $cb = $pkg->can ("unload")) {
1016	eval {
1017	$cb->($pkg);
1018	1
1019	} or warn "$pkg unloaded, but with errors: $@";
1020	}
1021
1022	Symbol::delete_package $pkg;
1023	}
1024
1025	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
1026	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
1027	next unless -r $ext;	1173	next unless -r $path;
1028	eval {	1174
1029	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;
1030	1	1232	}
1031	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
1032	}	1238	};
1033	}	1239	}
1034		1240
1035	#############################################################################	1241	#############################################################################
1036	# load/save/clean perl data associated with a map
1037		1242
1038	*cf::mapsupport::on_clean = sub {	1243	=back
1039	my ($map) = @_;
1040
1041	my $path = $map->tmpname;
1042	defined $path or return;
1043
1044	unlink "$path.pst";
1045	};
1046
1047	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049	#############################################################################
1050	# load/save perl data associated with player->ob objects
1051
1052	sub all_objects(@) {
1053	@_, map all_objects ($_->inv), @_
1054	}
1055
1056	# TODO: compatibility cruft, remove when no longer needed
1057	cf::player->attach (
1058	on_load => sub {
1059	my ($pl, $path) = @_;
1060
1061	for my $o (all_objects $pl->ob) {
1062	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063	$o->set_ob_key_value ("_perl_data");
1064
1065	%$o = %{ Storable::thaw pack "H*", $value };
1066	}
1067	}
1068	},
1069	);
1070
1071	#############################################################################
1072		1244
1073	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
1074		1246
1075	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
1076		1248
1077	=cut	1249	=cut
1078		1250
1079	package cf::player;	1251	package cf::player;
1080		1252
		1253	use Coro::AIO;
		1254
1081	=head3 cf::player	1255	=head3 cf::player
1082		1256
1083	=over 4	1257	=over 4
1084		1258
1085	=item cf::player::find $login	1259	=item cf::player::find $login
…		…
1087	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
1088		1262
1089	=cut	1263	=cut
1090		1264
1091	sub playerdir($) {	1265	sub playerdir($) {
1092	cf::localdir	1266	"$PLAYERDIR/"
1093	. "/"
1094	. cf::playerdir
1095	. "/"
1096	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1097	}	1268	}
1098		1269
1099	sub path($) {	1270	sub path($) {
1100	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1101		1272
1102	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
1103	}	1274	}
1104		1275
1105	sub find_active($) {	1276	sub find_active($) {
1106	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
1107	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
1110		1281
1111	sub exists($) {	1282	sub exists($) {
1112	my ($login) = @_;	1283	my ($login) = @_;
1113		1284
1114	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
1115	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
1116	}	1287	}
1117		1288
1118	sub find($) {	1289	sub find($) {
1119	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
1120	my $login = $_[0];	1291	my $login = $_[0];
1121		1292
1122	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
1123		1294
1124	$cf::PLAYER{$login} ||= (load_pl path $login or return);	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
		1303	my $pl = load_pl path $login
		1304	or return;
		1305	$cf::PLAYER{$login} = $pl
		1306	}
1125	};	1307	}
1126	}	1308	}
1127		1309
1128	sub save($) {	1310	sub save($) {
1129	my ($pl) = @_;	1311	my ($pl) = @_;
1130		1312
…		…
1133	my $path = path $pl;	1315	my $path = path $pl;
1134	my $guard = cf::lock_acquire "user_save:$path";	1316	my $guard = cf::lock_acquire "user_save:$path";
1135		1317
1136	return if $pl->{deny_save};	1318	return if $pl->{deny_save};
1137		1319
1138	IO::AIO::aio_mkdir playerdir $pl, 0770;	1320	aio_mkdir playerdir $pl, 0770;
1139	$pl->{last_save} = $cf::RUNTIME;	1321	$pl->{last_save} = $cf::RUNTIME;
1140		1322
1141	Coro::cede;
1142	$pl->save_pl ($path);	1323	$pl->save_pl ($path);
1143	Coro::cede;	1324	Coro::cede;
1144	}	1325	}
1145		1326
1146	sub new($) {	1327	sub new($) {
…		…
1154	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1155		1336
1156	$self	1337	$self
1157	}	1338	}
1158		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
		1350	=item $pl->quit_character
		1351
		1352	Nukes the player without looking back. If logged in, the connection will
		1353	be destroyed. May block for a long time.
		1354
		1355	=cut
		1356
1159	sub quit_character {	1357	sub quit_character {
1160	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1161		1361
1162	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1163	$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
1164		1364
1165	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1167	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1367	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1168	$pl->ns->destroy if $pl->ns;	1368	$pl->ns->destroy if $pl->ns;
1169		1369
1170	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1171	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1172	IO::AIO::aio_rename $path, $temp, sub {	1372	aio_rename $path, $temp;
1173	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1174	$pl->destroy;	1374	$pl->destroy;
1175		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1176	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;
		1396	}
		1397
		1398	=item cf::player::list_logins
		1399
		1400	Returns am arrayref of all valid playernames in the system, can take a
		1401	while and may block, so not sync_job-capable, ever.
		1402
		1403	=cut
		1404
		1405	sub list_logins {
		1406	my $dirs = aio_readdir $PLAYERDIR
		1407	or return [];
		1408
		1409	my @logins;
		1410
		1411	for my $login (@$dirs) {
		1412	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1413	aio_read $fh, 0, 512, my $buf, 0 or next;
		1414	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1415
		1416	utf8::decode $login;
		1417	push @logins, $login;
1177	};	1418	}
1178	}
1179		1419
		1420	\@logins
		1421	}
		1422
		1423	=item $player->maps
		1424
		1425	Returns an arrayref of map paths that are private for this
		1426	player. May block.
		1427
		1428	=cut
		1429
		1430	sub maps($) {
		1431	my ($pl) = @_;
		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
		1435	my $files = aio_readdir playerdir $pl
		1436	or return;
		1437
		1438	my @paths;
		1439
		1440	for (@$files) {
		1441	utf8::decode $_;
		1442	next if /\.(?:pl|pst)$/;
		1443	next unless /^$PATH_SEP/o;
		1444
		1445	push @paths, cf::map::normalise "~$pl/$_";
		1446	}
		1447
		1448	\@paths
		1449	}
		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
1180	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1181		1502
1182	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1183		1504
1184	=cut	1505	=cut
1185		1506
1186	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1187	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1188		1509
1189	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1190		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1191	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1192	}	1517	}
1193		1518
1194	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1195		1559
1196	=back	1560	=back
1197
1198		1561
1199	=head3 cf::map	1562	=head3 cf::map
1200		1563
1201	=over 4	1564	=over 4
1202		1565
…		…
1205	package cf::map;	1568	package cf::map;
1206		1569
1207	use Fcntl;	1570	use Fcntl;
1208	use Coro::AIO;	1571	use Coro::AIO;
1209		1572
		1573	use overload
		1574	'""' => \&as_string,
		1575	fallback => 1;
		1576
1210	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1211	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1212		1579
1213	sub generate_random_map {	1580	sub generate_random_map {
1214	my ($path, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1215
1216	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1217	cf::map::_create_random_map	1583	$self->_create_random_map (
1218	$path,
1219	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1220	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1221	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1222	$rmp->{exit_on_final_map},	1587	$rmp->{exit_on_final_map},
1223	$rmp->{xsize}, $rmp->{ysize},	1588	$rmp->{xsize}, $rmp->{ysize},
1224	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1589	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1225	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1590	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1226	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1591	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1227	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1592	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1228	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1229	(cf::region::find $rmp->{region})	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
		1595	)
		1596	}
		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
		1606	sub register {
		1607	my (undef, $regex, $prio) = @_;
		1608	my $pkg = caller;
		1609
		1610	no strict;
		1611	push @{"$pkg\::ISA"}, __PACKAGE__;
		1612
		1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1614	}
		1615
		1616	# also paths starting with '/'
		1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
		1628
		1629	sub normalise {
		1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
		1635
		1636	# map plan:
		1637	#
		1638	# /! non-realised random map exit (special hack!)
		1639	# {... are special paths that are not being touched
		1640	# ?xxx/... are special absolute paths
		1641	# ?random/... random maps
		1642	# /... normal maps
		1643	# ~user/... per-player map of a specific user
		1644
		1645	$path =~ s/$PATH_SEP/\//go;
		1646
		1647	# treat it as relative path if it starts with
		1648	# something that looks reasonable
		1649	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1650	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1651
		1652	$base =~ s{[^/]+/?$}{};
		1653	$path = "$base/$path";
		1654	}
		1655
		1656	for ($path) {
		1657	redo if s{//}{/};
		1658	redo if s{/\.?/}{/};
		1659	redo if s{/[^/]+/\.\./}{/};
		1660	}
		1661
		1662	$path
		1663	}
		1664
		1665	sub new_from_path {
		1666	my (undef, $path, $base) = @_;
		1667
		1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1669
		1670	$path = normalise $path, $base;
		1671
		1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1674	my $self = bless cf::map::new, $pkg;
		1675	$self->{path} = $path; $self->path ($path);
		1676	$self->init; # pass $1 etc.
		1677	return $self;
		1678	}
		1679	}
		1680
		1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1682	()
		1683	}
		1684
		1685	sub init {
		1686	my ($self) = @_;
		1687
		1688	$self
		1689	}
		1690
		1691	sub as_string {
		1692	my ($self) = @_;
		1693
		1694	"$self->{path}"
		1695	}
		1696
		1697	# the displayed name, this is a one way mapping
		1698	sub visible_name {
		1699	&as_string
		1700	}
		1701
		1702	# the original (read-only) location
		1703	sub load_path {
		1704	my ($self) = @_;
		1705
		1706	"$MAPDIR/$self->{path}.map"
		1707	}
		1708
		1709	# the temporary/swap location
		1710	sub save_path {
		1711	my ($self) = @_;
		1712
		1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1714	"$TMPDIR/$path.map"
		1715	}
		1716
		1717	# the unique path, undef == no special unique path
		1718	sub uniq_path {
		1719	my ($self) = @_;
		1720
		1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1722	"$UNIQUEDIR/$path"
1230	}	1723	}
1231		1724
1232	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1233	# all maps in C++...	1726	# all maps in C++...
1234	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1236		1729
1237	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1238	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1239	}	1732	}
1240		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
		1742	sub unlink_save {
		1743	my ($self) = @_;
		1744
		1745	utf8::encode (my $save = $self->save_path);
		1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1748	}
		1749
1241	sub try_load_header($) {	1750	sub load_header_from($) {
1242	my ($path) = @_;	1751	my ($self, $path) = @_;
1243		1752
1244	utf8::encode $path;	1753	utf8::encode $path;
1245	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
		1755	# or return;
		1756
		1757	$self->_load_header ($path)
1246	or return;	1758	or return;
1247		1759
1248	my $map = cf::map::new	1760	$self->{load_path} = $path;
		1761
		1762	1
		1763	}
		1764
		1765	sub load_header_orig {
		1766	my ($self) = @_;
		1767
		1768	$self->load_header_from ($self->load_path)
		1769	}
		1770
		1771	sub load_header_temp {
		1772	my ($self) = @_;
		1773
		1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
		1794	}
		1795
		1796	sub load_header {
		1797	my ($self) = @_;
		1798
		1799	if ($self->load_header_temp) {
		1800	$self->prepare_temp;
		1801	} else {
		1802	$self->load_header_orig
1249	or return;	1803	or return;
		1804	$self->prepare_orig;
		1805	}
1250		1806
1251	# for better error messages only, will be overwritten	1807	$self->{deny_reset} = 1
1252	$map->path ($path);	1808	if $self->no_reset;
1253		1809
1254	$map->load_header ($path)	1810	$self->default_region (cf::region::find_by_path $self->{path})
1255	or return;	1811	unless $self->default_region;
1256		1812
1257	$map->{load_path} = $path;	1813	1
1258
1259	$map
1260	}	1814	}
1261		1815
1262	sub find;	1816	sub find;
1263	sub find {	1817	sub find {
1264	my ($path, $origin) = @_;	1818	my ($path, $origin) = @_;
1265		1819
1266	#warn "find<$path,$origin>\n";#d#
1267
1268	$path = new cf::path $path, $origin && $origin->path;	1820	$path = normalise $path, $origin && $origin->path;
1269	my $key = $path->as_string;
1270		1821
1271	cf::lock_wait "map_find:$key";	1822	cf::lock_wait "map_find:$path";
1272		1823
1273	$cf::MAP{$key} || do {	1824	$cf::MAP{$path} || do {
1274	my $guard = cf::lock_acquire "map_find:$key";	1825	my $guard = cf::lock_acquire "map_find:$path";
1275		1826	my $map = new_from_path cf::map $path
1276	# do it the slow way
1277	my $map = try_load_header $path->save_path;
1278
1279	Coro::cede;
1280
1281	if ($map) {
1282	$map->last_access ((delete $map->{last_access})
1283	|| $cf::RUNTIME); #d#
1284	# safety
1285	$map->{instantiate_time} = $cf::RUNTIME
1286	if $map->{instantiate_time} > $cf::RUNTIME;
1287	} else {
1288	if (my $rmp = $path->random_map_params) {
1289	$map = generate_random_map $key, $rmp;
1290	} else {
1291	$map = try_load_header $path->load_path;
1292	}
1293
1294	$map or return;	1827	or return;
1295		1828
1296	$map->{load_original} = 1;
1297	$map->{instantiate_time} = $cf::RUNTIME;
1298	$map->last_access ($cf::RUNTIME);
1299	$map->instantiate;
1300
1301	# per-player maps become, after loading, normal maps
1302	$map->per_player (0) if $path->{user_rel};
1303	}
1304
1305	$map->path ($key);
1306	$map->{path} = $path;
1307	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1308		1830
1309	Coro::cede;	1831	$map->load_header
		1832	or return;
1310		1833
1311	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1312	$map->reset;	1837	$map->reset;
1313	undef $guard;	1838	undef $guard;
1314	$map = find $path	1839	return find $path;
1315	or return;
1316	}	1840	}
1317		1841
1318	$cf::MAP{$key} = $map	1842	$cf::MAP{$path} = $map
1319	}	1843	}
1320	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1321		1848
1322	sub load {	1849	sub load {
1323	my ($self) = @_;	1850	my ($self) = @_;
1324		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1325	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1326	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1857	my $guard = cf::lock_acquire "map_load:$path";
1327		1858
1328	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1329		1860
1330	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1331		1862
1332	$self->alloc;	1863	$self->alloc;
		1864
		1865	$self->pre_load;
		1866	Coro::cede;
		1867
1333	$self->load_objects ($self->{load_path}, 1)	1868	$self->_load_objects ($self->{load_path}, 1)
1334	or return;	1869	or return;
1335		1870
1336	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1337	if delete $self->{load_original};	1872	if delete $self->{load_original};
1338		1873
1339	if (my $uniq = $path->uniq_path) {	1874	if (my $uniq = $self->uniq_path) {
1340	utf8::encode $uniq;	1875	utf8::encode $uniq;
1341	if (aio_open $uniq, O_RDONLY, 0) {	1876	if (aio_open $uniq, O_RDONLY, 0) {
1342	$self->clear_unique_items;	1877	$self->clear_unique_items;
1343	$self->load_objects ($uniq, 0);	1878	$self->_load_objects ($uniq, 0);
1344	}	1879	}
1345	}	1880	}
1346		1881
1347	Coro::cede;	1882	Coro::cede;
1348
1349	# now do the right thing for maps	1883	# now do the right thing for maps
1350	$self->link_multipart_objects;	1884	$self->link_multipart_objects;
1351
1352	if ($self->{path}->is_style_map) {
1353	$self->{deny_save} = 1;
1354	$self->{deny_reset} = 1;
1355	} else {
1356	$self->fix_auto_apply;
1357	$self->decay_objects;
1358	$self->update_buttons;
1359	$self->set_darkness_map;
1360	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1361	unless $self->difficulty;	1886	unless $self->difficulty;
		1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1362	$self->activate;	1896	$self->activate;
1363	}	1897	}
1364		1898
1365	Coro::cede;	1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
1366		1901
1367	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
		1906	}
		1907
		1908	sub customise_for {
		1909	my ($self, $ob) = @_;
		1910
		1911	return find "~" . $ob->name . "/" . $self->{path}
		1912	if $self->per_player;
		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
		1917	$self
		1918	}
		1919
		1920	# find and load all maps in the 3x3 area around a map
		1921	sub load_diag {
		1922	my ($map) = @_;
		1923
		1924	my @diag; # diagonal neighbours
		1925
		1926	for (0 .. 3) {
		1927	my $neigh = $map->tile_path ($_)
		1928	or next;
		1929	$neigh = find $neigh, $map
		1930	or next;
		1931	$neigh->load;
		1932
		1933	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1934	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1935	}
		1936
		1937	for (@diag) {
		1938	my $neigh = find @$_
		1939	or next;
		1940	$neigh->load;
		1941	}
1368	}	1942	}
1369		1943
1370	sub find_sync {	1944	sub find_sync {
1371	my ($path, $origin) = @_;	1945	my ($path, $origin) = @_;
1372		1946
1373	cf::sync_job { cf::map::find $path, $origin }	1947	cf::sync_job { find $path, $origin }
1374	}	1948	}
1375		1949
1376	sub do_load_sync {	1950	sub do_load_sync {
1377	my ($map) = @_;	1951	my ($map) = @_;
1378		1952
1379	cf::sync_job { $map->load };	1953	cf::sync_job { $map->load };
1380	}	1954	}
1381		1955
		1956	our %MAP_PREFETCH;
		1957	our $MAP_PREFETCHER = undef;
		1958
		1959	sub find_async {
		1960	my ($path, $origin) = @_;
		1961
		1962	$path = normalise $path, $origin && $origin->{path};
		1963
		1964	if (my $map = $cf::MAP{$path}) {
		1965	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1966	}
		1967
		1968	undef $MAP_PREFETCH{$path};
		1969	$MAP_PREFETCHER ||= cf::async {
		1970	while (%MAP_PREFETCH) {
		1971	for my $path (keys %MAP_PREFETCH) {
		1972	if (my $map = find $path) {
		1973	$map->load;
		1974	}
		1975
		1976	delete $MAP_PREFETCH{$path};
		1977	}
		1978	}
		1979	undef $MAP_PREFETCHER;
		1980	};
		1981	$MAP_PREFETCHER->prio (6);
		1982
		1983	()
		1984	}
		1985
1382	sub save {	1986	sub save {
1383	my ($self) = @_;	1987	my ($self) = @_;
1384		1988
1385	my $lock = cf::lock_acquire "map_data:" . $self->path;	1989	my $lock = cf::lock_acquire "map_data:" . $self->path;
1386		1990
1387	$self->{last_save} = $cf::RUNTIME;	1991	$self->{last_save} = $cf::RUNTIME;
1388		1992
1389	return unless $self->dirty;	1993	return unless $self->dirty;
1390		1994
1391	my $save = $self->{path}->save_path; utf8::encode $save;	1995	my $save = $self->save_path; utf8::encode $save;
1392	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1996	my $uniq = $self->uniq_path; utf8::encode $uniq;
1393		1997
1394	$self->{load_path} = $save;	1998	$self->{load_path} = $save;
1395		1999
1396	return if $self->{deny_save};	2000	return if $self->{deny_save};
1397		2001
…		…
1400	cf::async {	2004	cf::async {
1401	$_->contr->save for $self->players;	2005	$_->contr->save for $self->players;
1402	};	2006	};
1403		2007
1404	if ($uniq) {	2008	if ($uniq) {
1405	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2009	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1406	$self->save_objects ($uniq, cf::IO_UNIQUES);	2010	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1407	} else {	2011	} else {
1408	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2012	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1409	}	2013	}
1410	}	2014	}
1411		2015
1412	sub swap_out {	2016	sub swap_out {
1413	my ($self) = @_;	2017	my ($self) = @_;
…		…
1427		2031
1428	sub reset_at {	2032	sub reset_at {
1429	my ($self) = @_;	2033	my ($self) = @_;
1430		2034
1431	# TODO: safety, remove and allow resettable per-player maps	2035	# TODO: safety, remove and allow resettable per-player maps
1432	return 1e99 if $self->{path}{user_rel};
1433	return 1e99 if $self->{deny_reset};	2036	return 1e99 if $self->{deny_reset};
1434		2037
1435	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2038	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1436	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2039	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1437		2040
…		…
1442	my ($self) = @_;	2045	my ($self) = @_;
1443		2046
1444	$self->reset_at <= $cf::RUNTIME	2047	$self->reset_at <= $cf::RUNTIME
1445	}	2048	}
1446		2049
1447	sub unlink_save {
1448	my ($self) = @_;
1449
1450	utf8::encode (my $save = $self->{path}->save_path);
1451	aioreq_pri 3; IO::AIO::aio_unlink $save;
1452	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1453	}
1454
1455	sub rename {
1456	my ($self, $new_path) = @_;
1457
1458	$self->unlink_save;
1459
1460	delete $cf::MAP{$self->path};
1461	$self->{path} = new cf::path $new_path;
1462	$self->path ($self->{path}->as_string);
1463	$cf::MAP{$self->path} = $self;
1464
1465	$self->save;
1466	}
1467
1468	sub reset {	2050	sub reset {
1469	my ($self) = @_;	2051	my ($self) = @_;
1470		2052
1471	my $lock = cf::lock_acquire "map_data:" . $self->path;	2053	my $lock = cf::lock_acquire "map_data:$self->{path}";
1472		2054
1473	return if $self->players;	2055	return if $self->players;
1474	return if $self->{path}{user_rel};#d#
1475		2056
1476	warn "resetting map ", $self->path;#d#	2057	warn "resetting map ", $self->path;
		2058
		2059	$self->in_memory (cf::MAP_SWAPPED);
		2060
		2061	# need to save uniques path
		2062	unless ($self->{deny_save}) {
		2063	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2064
		2065	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2066	if $uniq;
		2067	}
1477		2068
1478	delete $cf::MAP{$self->path};	2069	delete $cf::MAP{$self->path};
		2070
		2071	$self->clear;
1479		2072
1480	$_->clear_links_to ($self) for values %cf::MAP;	2073	$_->clear_links_to ($self) for values %cf::MAP;
1481		2074
1482	$self->unlink_save;	2075	$self->unlink_save;
1483	$self->destroy;	2076	$self->destroy;
…		…
1486	my $nuke_counter = "aaaa";	2079	my $nuke_counter = "aaaa";
1487		2080
1488	sub nuke {	2081	sub nuke {
1489	my ($self) = @_;	2082	my ($self) = @_;
1490		2083
		2084	delete $cf::MAP{$self->path};
		2085
		2086	$self->unlink_save;
		2087
		2088	bless $self, "cf::map";
		2089	delete $self->{deny_reset};
1491	$self->{deny_save} = 1;	2090	$self->{deny_save} = 1;
1492	$self->reset_timeout (1);	2091	$self->reset_timeout (1);
1493	$self->rename ("{nuke}/" . ($nuke_counter++));	2092	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2093
		2094	$cf::MAP{$self->path} = $self;
		2095
1494	$self->reset; # polite request, might not happen	2096	$self->reset; # polite request, might not happen
1495	}	2097	}
1496		2098
1497	sub customise_for {	2099	=item $maps = cf::map::tmp_maps
1498	my ($map, $ob) = @_;
1499		2100
1500	if ($map->per_player) {	2101	Returns an arrayref with all map paths of currently instantiated and saved
1501	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2102	maps. May block.
		2103
		2104	=cut
		2105
		2106	sub tmp_maps() {
1502	}	2107	[
1503		2108	map {
1504	$map	2109	utf8::decode $_;
		2110	/\.map$/
		2111	? normalise $_
		2112	: ()
		2113	} @{ aio_readdir $TMPDIR or [] }
		2114	]
1505	}	2115	}
1506		2116
1507	sub emergency_save {	2117	=item $maps = cf::map::random_maps
1508	my $freeze_guard = cf::freeze_mainloop;
1509		2118
1510	warn "enter emergency perl save\n";	2119	Returns an arrayref with all map paths of currently instantiated and saved
		2120	random maps. May block.
1511		2121
1512	cf::sync_job {	2122	=cut
1513	warn "begin emergency player save\n";
1514	$_->save for values %cf::PLAYER;
1515	warn "end emergency player save\n";
1516		2123
1517	warn "begin emergency map save\n";	2124	sub random_maps() {
1518	$_->save for values %cf::MAP;	2125	[
1519	warn "end emergency map save\n";	2126	map {
1520	};	2127	utf8::decode $_;
		2128	/\.map$/
		2129	? normalise "?random/$_"
		2130	: ()
		2131	} @{ aio_readdir $RANDOMDIR or [] }
		2132	]
		2133	}
1521		2134
1522	warn "leave emergency perl save\n";	2135	=item cf::map::unique_maps
		2136
		2137	Returns an arrayref of paths of all shared maps that have
		2138	instantiated unique items. May block.
		2139
		2140	=cut
		2141
		2142	sub unique_maps() {
		2143	[
		2144	map {
		2145	utf8::decode $_;
		2146	/\.map$/
		2147	? normalise $_
		2148	: ()
		2149	} @{ aio_readdir $UNIQUEDIR or [] }
		2150	]
1523	}	2151	}
1524		2152
1525	package cf;	2153	package cf;
1526		2154
1527	=back	2155	=back
1528		2156
		2157	=head3 cf::object
		2158
		2159	=cut
		2160
		2161	package cf::object;
		2162
		2163	=over 4
		2164
		2165	=item $ob->inv_recursive
		2166
		2167	Returns the inventory of the object _and_ their inventories, recursively.
		2168
		2169	=cut
		2170
		2171	sub inv_recursive_;
		2172	sub inv_recursive_ {
		2173	map { $_, inv_recursive_ $_->inv } @_
		2174	}
		2175
		2176	sub inv_recursive {
		2177	inv_recursive_ inv $_[0]
		2178	}
		2179
		2180	package cf;
		2181
		2182	=back
1529		2183
1530	=head3 cf::object::player	2184	=head3 cf::object::player
1531		2185
1532	=over 4	2186	=over 4
1533		2187
…		…
1547		2201
1548	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2202	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1549		2203
1550	if ($self->{record_replies}) {	2204	if ($self->{record_replies}) {
1551	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2205	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2206
1552	} else {	2207	} else {
		2208	my $pl = $self->contr;
		2209
		2210	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2211	my $dialog = $pl->{npc_dialog};
		2212	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2213
		2214	} else {
1553	$msg = $npc->name . " says: $msg" if $npc;	2215	$msg = $npc->name . " says: $msg" if $npc;
1554	$self->message ($msg, $flags);	2216	$self->message ($msg, $flags);
		2217	}
1555	}	2218	}
		2219	}
		2220
		2221	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2222
		2223	=cut
		2224
		2225	sub cf::object::send_msg {
		2226	my $pl = shift->contr
		2227	or return;
		2228	$pl->send_msg (@_);
1556	}	2229	}
1557		2230
1558	=item $player_object->may ("access")	2231	=item $player_object->may ("access")
1559		2232
1560	Returns wether the given player is authorized to access resource "access"	2233	Returns wether the given player is authorized to access resource "access"
…		…
1573		2246
1574	=item $player_object->enter_link	2247	=item $player_object->enter_link
1575		2248
1576	Freezes the player and moves him/her to a special map (C<{link}>).	2249	Freezes the player and moves him/her to a special map (C<{link}>).
1577		2250
1578	The player should be reaosnably safe there for short amounts of time. You	2251	The player should be reasonably safe there for short amounts of time. You
1579	I<MUST> call C<leave_link> as soon as possible, though.	2252	I<MUST> call C<leave_link> as soon as possible, though.
1580		2253
		2254	Will never block.
		2255
1581	=item $player_object->leave_link ($map, $x, $y)	2256	=item $player_object->leave_link ($map, $x, $y)
1582		2257
1583	Moves the player out of the specila link map onto the given map. If the	2258	Moves the player out of the special C<{link}> map onto the specified
1584	map is not valid (or omitted), the player will be moved back to the	2259	map. If the map is not valid (or omitted), the player will be moved back
1585	location he/she was before the call to C<enter_link>, or, if that fails,	2260	to the location he/she was before the call to C<enter_link>, or, if that
1586	to the emergency map position.	2261	fails, to the emergency map position.
1587		2262
1588	Might block.	2263	Might block.
1589		2264
1590	=cut	2265	=cut
		2266
		2267	sub link_map {
		2268	unless ($LINK_MAP) {
		2269	$LINK_MAP = cf::map::find "{link}"
		2270	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2271	$LINK_MAP->load;
		2272	}
		2273
		2274	$LINK_MAP
		2275	}
1591		2276
1592	sub cf::object::player::enter_link {	2277	sub cf::object::player::enter_link {
1593	my ($self) = @_;	2278	my ($self) = @_;
1594		2279
1595	$self->deactivate_recursive;	2280	$self->deactivate_recursive;
1596		2281
1597	return if $self->map == $LINK_MAP;	2282	return if UNIVERSAL::isa $self->map, "ext::map_link";
1598		2283
1599	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2284	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1600	if $self->map;	2285	if $self->map && $self->map->{path} ne "{link}";
1601		2286
1602	$self->enter_map ($LINK_MAP, 20, 20);	2287	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1603	}	2288	}
1604		2289
1605	sub cf::object::player::leave_link {	2290	sub cf::object::player::leave_link {
1606	my ($self, $map, $x, $y) = @_;	2291	my ($self, $map, $x, $y) = @_;
		2292
		2293	return unless $self->contr->active;
1607		2294
1608	my $link_pos = delete $self->{_link_pos};	2295	my $link_pos = delete $self->{_link_pos};
1609		2296
1610	unless ($map) {	2297	unless ($map) {
1611	# restore original map position	2298	# restore original map position
…		…
1625	# use -1 or undef as default coordinates, not 0, 0	2312	# use -1 or undef as default coordinates, not 0, 0
1626	($x, $y) = ($map->enter_x, $map->enter_y)	2313	($x, $y) = ($map->enter_x, $map->enter_y)
1627	if $x <=0 && $y <= 0;	2314	if $x <=0 && $y <= 0;
1628		2315
1629	$map->load;	2316	$map->load;
		2317	$map->load_diag;
1630		2318
1631	return unless $self->contr->active;	2319	return unless $self->contr->active;
1632	$self->activate_recursive;	2320	$self->activate_recursive;
		2321
		2322	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1633	$self->enter_map ($map, $x, $y);	2323	$self->enter_map ($map, $x, $y);
1634	}	2324	}
1635		2325
1636	cf::player->attach (	2326	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1637	on_logout => sub {
1638	my ($pl) = @_;
1639		2327
1640	# abort map switching before logout	2328	Moves the player to the given map-path and coordinates by first freezing
1641	if ($pl->ob->{_link_pos}) {	2329	her, loading and preparing them map, calling the provided $check callback
1642	cf::sync_job {	2330	that has to return the map if sucecssful, and then unfreezes the player on
1643	$pl->ob->leave_link	2331	the new (success) or old (failed) map position. In either case, $done will
1644	};	2332	be called at the end of this process.
1645	}
1646	},
1647	on_login => sub {
1648	my ($pl) = @_;
1649		2333
1650	# try to abort aborted map switching on player login :)
1651	# should happen only on crashes
1652	if ($pl->ob->{_link_pos}) {
1653	$pl->ob->enter_link;
1654	(async {
1655	# we need this sleep as the login has a concurrent enter_exit running
1656	# and this sleep increases chances of the player not ending up in scorn
1657	$pl->ob->reply (undef,
1658	"There was an internal problem at your last logout, "
1659	. "the server will try to bring you to your intended destination in a second.",
1660	cf::NDI_RED);
1661	Coro::Timer::sleep 1;
1662	$pl->ob->leave_link;
1663	})->prio (2);
1664	}
1665	},
1666	);
1667
1668	=item $player_object->goto ($path, $x, $y)
1669
1670	=cut	2334	=cut
		2335
		2336	our $GOTOGEN;
1671		2337
1672	sub cf::object::player::goto {	2338	sub cf::object::player::goto {
1673	my ($self, $path, $x, $y) = @_;	2339	my ($self, $path, $x, $y, $check, $done) = @_;
		2340
		2341	# do generation counting so two concurrent goto's will be executed in-order
		2342	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1674		2343
1675	$self->enter_link;	2344	$self->enter_link;
1676		2345
1677	(async {	2346	(async {
1678	$path = new cf::path $path;	2347	my $map = eval {
1679
1680	my $map = cf::map::find $path->as_string;	2348	my $map = cf::map::find $path;
		2349
		2350	if ($map) {
1681	$map = $map->customise_for ($self) if $map;	2351	$map = $map->customise_for ($self);
1682		2352	$map = $check->($map) if $check && $map;
1683	# warn "entering ", $map->path, " at ($x, $y)\n"	2353	} else {
1684	# if $map;
1685
1686	$map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2354	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2355	}
1687		2356
		2357	$map
		2358	};
		2359
		2360	if ($@) {
		2361	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2362	LOG llevError | logBacktrace, Carp::longmess $@;
		2363	}
		2364
		2365	if ($gen == $self->{_goto_generation}) {
		2366	delete $self->{_goto_generation};
1688	$self->leave_link ($map, $x, $y);	2367	$self->leave_link ($map, $x, $y);
		2368	}
		2369
		2370	$done->() if $done;
1689	})->prio (1);	2371	})->prio (1);
1690	}	2372	}
1691		2373
1692	=item $player_object->enter_exit ($exit_object)	2374	=item $player_object->enter_exit ($exit_object)
1693		2375
…		…
1695		2377
1696	sub parse_random_map_params {	2378	sub parse_random_map_params {
1697	my ($spec) = @_;	2379	my ($spec) = @_;
1698		2380
1699	my $rmp = { # defaults	2381	my $rmp = { # defaults
1700	xsize => 10,	2382	xsize => (cf::rndm 15, 40),
1701	ysize => 10,	2383	ysize => (cf::rndm 15, 40),
		2384	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2385	#layout => string,
1702	};	2386	};
1703		2387
1704	for (split /\n/, $spec) {	2388	for (split /\n/, $spec) {
1705	my ($k, $v) = split /\s+/, $_, 2;	2389	my ($k, $v) = split /\s+/, $_, 2;
1706		2390
…		…
1710	$rmp	2394	$rmp
1711	}	2395	}
1712		2396
1713	sub prepare_random_map {	2397	sub prepare_random_map {
1714	my ($exit) = @_;	2398	my ($exit) = @_;
		2399
		2400	my $guard = cf::lock_acquire "exit_prepare:$exit";
1715		2401
1716	# all this does is basically replace the /! path by	2402	# all this does is basically replace the /! path by
1717	# a new random map path (?random/...) with a seed	2403	# a new random map path (?random/...) with a seed
1718	# that depends on the exit object	2404	# that depends on the exit object
1719		2405
1720	my $rmp = parse_random_map_params $exit->msg;	2406	my $rmp = parse_random_map_params $exit->msg;
1721		2407
1722	if ($exit->map) {	2408	if ($exit->map) {
1723	$rmp->{region} = $exit->map->region_name;	2409	$rmp->{region} = $exit->region->name;
1724	$rmp->{origin_map} = $exit->map->path;	2410	$rmp->{origin_map} = $exit->map->path;
1725	$rmp->{origin_x} = $exit->x;	2411	$rmp->{origin_x} = $exit->x;
1726	$rmp->{origin_y} = $exit->y;	2412	$rmp->{origin_y} = $exit->y;
1727	}	2413	}
1728		2414
1729	$rmp->{random_seed} ||= $exit->random_seed;	2415	$rmp->{random_seed} ||= $exit->random_seed;
1730		2416
1731	my $data = cf::to_json $rmp;	2417	my $data = cf::to_json $rmp;
1732	my $md5 = Digest::MD5::md5_hex $data;	2418	my $md5 = Digest::MD5::md5_hex $data;
		2419	my $meta = "$RANDOMDIR/$md5.meta";
1733		2420
1734	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2421	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735	aio_write $fh, 0, (length $data), $data, 0;	2422	aio_write $fh, 0, (length $data), $data, 0;
		2423	undef $fh;
		2424	aio_rename "$meta~", $meta;
1736		2425
1737	$exit->slaying ("?random/$md5");	2426	$exit->slaying ("?random/$md5");
1738	$exit->msg (undef);	2427	$exit->msg (undef);
1739	}	2428	}
1740	}	2429	}
…		…
1742	sub cf::object::player::enter_exit {	2431	sub cf::object::player::enter_exit {
1743	my ($self, $exit) = @_;	2432	my ($self, $exit) = @_;
1744		2433
1745	return unless $self->type == cf::PLAYER;	2434	return unless $self->type == cf::PLAYER;
1746		2435
		2436	if ($exit->slaying eq "/!") {
		2437	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2438	# the problem is that $exit might not survive long enough
		2439	# so it needs to be done right now, right here
		2440	cf::sync_job { prepare_random_map $exit };
		2441	}
		2442
		2443	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2444	my $hp = $exit->stats->hp;
		2445	my $sp = $exit->stats->sp;
		2446
1747	$self->enter_link;	2447	$self->enter_link;
		2448
		2449	# if exit is damned, update players death & WoR home-position
		2450	$self->contr->savebed ($slaying, $hp, $sp)
		2451	if $exit->flag (FLAG_DAMNED);
1748		2452
1749	(async {	2453	(async {
1750	$self->deactivate_recursive; # just to be sure	2454	$self->deactivate_recursive; # just to be sure
1751	unless (eval {	2455	unless (eval {
1752	prepare_random_map $exit	2456	$self->goto ($slaying, $hp, $sp);
1753	if $exit->slaying eq "/!";
1754
1755	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1756	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757		2457
1758	1;	2458	1;
1759	}) {	2459	}) {
1760	$self->message ("Something went wrong deep within the crossfire server. "	2460	$self->message ("Something went wrong deep within the crossfire server. "
1761	. "I'll try to bring you back to the map you were before. "	2461	. "I'll try to bring you back to the map you were before. "
1762	. "Please report this to the dungeon master",	2462	. "Please report this to the dungeon master!",
1763	cf::NDI_UNIQUE | cf::NDI_RED);	2463	cf::NDI_UNIQUE | cf::NDI_RED);
1764		2464
1765	warn "ERROR in enter_exit: $@";	2465	warn "ERROR in enter_exit: $@";
1766	$self->leave_link;	2466	$self->leave_link;
1767	}	2467	}
1768	})->prio (1);	2468	})->prio (1);
…		…
1781		2481
1782	sub cf::client::send_drawinfo {	2482	sub cf::client::send_drawinfo {
1783	my ($self, $text, $flags) = @_;	2483	my ($self, $text, $flags) = @_;
1784		2484
1785	utf8::encode $text;	2485	utf8::encode $text;
1786	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2486	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1787	}	2487	}
1788		2488
		2489	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2490
		2491	Send a drawinfo or msg packet to the client, formatting the msg for the
		2492	client if neccessary. C<$type> should be a string identifying the type of
		2493	the message, with C<log> being the default. If C<$color> is negative, suppress
		2494	the message unless the client supports the msg packet.
		2495
		2496	=cut
		2497
		2498	sub cf::client::send_msg {
		2499	my ($self, $channel, $msg, $color, @extra) = @_;
		2500
		2501	$msg = $self->pl->expand_cfpod ($msg);
		2502
		2503	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2504
		2505	if (ref $channel) {
		2506	# send meta info to client, if not yet sent
		2507	unless (exists $self->{channel}{$channel->{id}}) {
		2508	$self->{channel}{$channel->{id}} = $channel;
		2509	$self->ext_msg (channel_info => $channel);
		2510	}
		2511
		2512	$channel = $channel->{id};
		2513	}
		2514
		2515	return unless @extra || length $msg;
		2516
		2517	if ($self->can_msg) {
		2518	# default colour, mask it out
		2519	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2520	if $color & cf::NDI_DEF;
		2521
		2522	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2523	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2524	} else {
		2525	if ($color >= 0) {
		2526	# replace some tags by gcfclient-compatible ones
		2527	for ($msg) {
		2528	1 while
		2529	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2530	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2531	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2532	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2533	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2534	}
		2535
		2536	$color &= cf::NDI_COLOR_MASK;
		2537
		2538	utf8::encode $msg;
		2539
		2540	if (0 && $msg =~ /\[/) {
		2541	# COMMAND/INFO
		2542	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2543	} else {
		2544	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2545	$self->send_packet ("drawinfo $color $msg")
		2546	}
		2547	}
		2548	}
		2549	}
		2550
		2551	=item $client->ext_msg ($type, @msg)
		2552
		2553	Sends an ext event to the client.
		2554
		2555	=cut
		2556
		2557	sub cf::client::ext_msg($$@) {
		2558	my ($self, $type, @msg) = @_;
		2559
		2560	my $extcmd = $self->extcmd;
		2561
		2562	if ($extcmd == 2) {
		2563	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2564	} elsif ($extcmd == 1) { # TODO: remove
		2565	push @msg, msgtype => "event_$type";
		2566	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2567	}
		2568	}
1789		2569
1790	=item $success = $client->query ($flags, "text", \&cb)	2570	=item $success = $client->query ($flags, "text", \&cb)
1791		2571
1792	Queues a query to the client, calling the given callback with	2572	Queues a query to the client, calling the given callback with
1793	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2573	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1794	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2574	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1795		2575
1796	Queries can fail, so check the return code. Or don't, as queries will become	2576	Queries can fail, so check the return code. Or don't, as queries will
1797	reliable at some point in the future.	2577	become reliable at some point in the future.
1798		2578
1799	=cut	2579	=cut
1800		2580
1801	sub cf::client::query {	2581	sub cf::client::query {
1802	my ($self, $flags, $text, $cb) = @_;	2582	my ($self, $flags, $text, $cb) = @_;
…		…
1810	utf8::encode $text;	2590	utf8::encode $text;
1811	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2591	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1812		2592
1813	$self->send_packet ($self->{query_queue}[0][0])	2593	$self->send_packet ($self->{query_queue}[0][0])
1814	if @{ $self->{query_queue} } == 1;	2594	if @{ $self->{query_queue} } == 1;
		2595
		2596	1
1815	}	2597	}
1816		2598
1817	cf::client->attach (	2599	cf::client->attach (
		2600	on_connect => sub {
		2601	my ($ns) = @_;
		2602
		2603	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2604	},
1818	on_reply => sub {	2605	on_reply => sub {
1819	my ($ns, $msg) = @_;	2606	my ($ns, $msg) = @_;
1820		2607
1821	# this weird shuffling is so that direct followup queries	2608	# this weird shuffling is so that direct followup queries
1822	# get handled first	2609	# get handled first
1823	my $queue = delete $ns->{query_queue}	2610	my $queue = delete $ns->{query_queue}
1824	or return; # be conservative, not sure how that can happen, but we saw a crash here	2611	or return; # be conservative, not sure how that can happen, but we saw a crash here
1825		2612
1826	(shift @$queue)->[1]->($msg);	2613	(shift @$queue)->[1]->($msg);
		2614	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1827		2615
1828	push @{ $ns->{query_queue} }, @$queue;	2616	push @{ $ns->{query_queue} }, @$queue;
1829		2617
1830	if (@{ $ns->{query_queue} } == @$queue) {	2618	if (@{ $ns->{query_queue} } == @$queue) {
1831	if (@$queue) {	2619	if (@$queue) {
…		…
1833	} else {	2621	} else {
1834	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2622	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1835	}	2623	}
1836	}	2624	}
1837	},	2625	},
		2626	on_exticmd => sub {
		2627	my ($ns, $buf) = @_;
		2628
		2629	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2630
		2631	if (ref $msg) {
		2632	my ($type, $reply, @payload) =
		2633	"ARRAY" eq ref $msg
		2634	? @$msg
		2635	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2636
		2637	if (my $cb = $EXTICMD{$type}) {
		2638	my @reply = $cb->($ns, @payload);
		2639
		2640	$ns->ext_reply ($reply, @reply)
		2641	if $reply;
		2642	}
		2643	} else {
		2644	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2645	}
		2646
		2647	cf::override;
		2648	},
1838	);	2649	);
1839		2650
1840	=item $client->async (\&cb)	2651	=item $client->async (\&cb)
1841		2652
1842	Create a new coroutine, running the specified callback. The coroutine will	2653	Create a new coroutine, running the specified callback. The coroutine will
…		…
1883	our $safe = new Safe "safe";	2694	our $safe = new Safe "safe";
1884	our $safe_hole = new Safe::Hole;	2695	our $safe_hole = new Safe::Hole;
1885		2696
1886	$SIG{FPE} = 'IGNORE';	2697	$SIG{FPE} = 'IGNORE';
1887		2698
1888	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2699	$safe->permit_only (Opcode::opset qw(
		2700	:base_core :base_mem :base_orig :base_math
		2701	grepstart grepwhile mapstart mapwhile
		2702	sort time
		2703	));
1889		2704
1890	# here we export the classes and methods available to script code	2705	# here we export the classes and methods available to script code
1891		2706
1892	=pod	2707	=pod
1893		2708
1894	The following fucntions and emthods are available within a safe environment:	2709	The following functions and methods are available within a safe environment:
1895		2710
1896	cf::object contr pay_amount pay_player map	2711	cf::object
		2712	contr pay_amount pay_player map x y force_find force_add
		2713	insert remove name archname title slaying race
		2714
1897	cf::object::player player	2715	cf::object::player
1898	cf::player peaceful	2716	player
1899	cf::map trigger	2717
		2718	cf::player
		2719	peaceful
		2720
		2721	cf::map
		2722	trigger
1900		2723
1901	=cut	2724	=cut
1902		2725
1903	for (	2726	for (
1904	["cf::object" => qw(contr pay_amount pay_player map)],	2727	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2728	insert remove inv name archname title slaying race)],
1905	["cf::object::player" => qw(player)],	2729	["cf::object::player" => qw(player)],
1906	["cf::player" => qw(peaceful)],	2730	["cf::player" => qw(peaceful)],
1907	["cf::map" => qw(trigger)],	2731	["cf::map" => qw(trigger)],
1908	) {	2732	) {
1909	no strict 'refs';	2733	no strict 'refs';
…		…
1980	=back	2804	=back
1981		2805
1982	=cut	2806	=cut
1983		2807
1984	#############################################################################	2808	#############################################################################
		2809	# the server's init and main functions
1985		2810
1986	=head2 EXTENSION DATABASE SUPPORT	2811	sub load_facedata($) {
		2812	my ($path) = @_;
1987		2813
1988	Crossfire maintains a very simple database for extension use. It can	2814	warn "loading facedata from $path\n";
1989	currently store anything that can be serialised using Storable, which
1990	excludes objects.
1991		2815
1992	The parameter C<$family> should best start with the name of the extension	2816	my $facedata;
1993	using it, it should be unique.	2817	0 < aio_load $path, $facedata
		2818	or die "$path: $!";
1994		2819
1995	=over 4	2820	$facedata = Coro::Storable::thaw $facedata;
1996		2821
1997	=item $hashref = cf::db_get $family	2822	$facedata->{version} == 2
		2823	or cf::cleanup "$path: version mismatch, cannot proceed.";
1998		2824
1999	Return a hashref for use by the extension C<$family>, which can be
2000	modified. After modifications, you have to call C<cf::db_dirty> or
2001	C<cf::db_sync>.
2002
2003	=item $value = cf::db_get $family => $key
2004
2005	Returns a single value from the database
2006
2007	=item cf::db_put $family => $hashref
2008
2009	Stores the given family hashref into the database. Updates are delayed, if
2010	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2011
2012	=item cf::db_put $family => $key => $value
2013
2014	Stores the given C<$value> in the family hash. Updates are delayed, if you
2015	want the data to be synced to disk immediately, use C<cf::db_sync>.
2016
2017	=item cf::db_dirty
2018
2019	Marks the database as dirty, to be updated at a later time.
2020
2021	=item cf::db_sync
2022
2023	Immediately write the database to disk I<if it is dirty>.
2024
2025	=cut
2026
2027	our $DB;
2028
2029	{
2030	my $path = cf::localdir . "/database.pst";
2031
2032	sub db_load() {
2033	$DB = stat $path ? Storable::retrieve $path : { };
2034	}	2825	{
		2826	my $faces = $facedata->{faceinfo};
2035		2827
2036	my $pid;	2828	while (my ($face, $info) = each %$faces) {
		2829	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2830	cf::face::set_visibility $idx, $info->{visibility};
		2831	cf::face::set_magicmap $idx, $info->{magicmap};
		2832	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2833	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2037		2834
2038	sub db_save() {	2835	cf::cede_to_tick;
2039	waitpid $pid, 0 if $pid;
2040	if (0 == ($pid = fork)) {
2041	$DB->{_meta}{version} = 1;
2042	Storable::nstore $DB, "$path~";
2043	rename "$path~", $path;
2044	cf::_exit 0 if defined $pid;
2045	}
2046	}
2047
2048	my $dirty;
2049
2050	sub db_sync() {
2051	db_save if $dirty;
2052	undef $dirty;
2053	}
2054
2055	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056	db_sync;
2057	});
2058
2059	sub db_dirty() {
2060	$dirty = 1;
2061	$idle->start;
2062	}
2063
2064	sub db_get($;$) {
2065	@_ >= 2
2066	? $DB->{$_[0]}{$_[1]}
2067	: ($DB->{$_[0]} ||= { })
2068	}
2069
2070	sub db_put($$;$) {
2071	if (@_ >= 3) {
2072	$DB->{$_[0]}{$_[1]} = $_[2];
2073	} else {
2074	$DB->{$_[0]} = $_[1];
2075	}
2076	db_dirty;
2077	}
2078
2079	cf::global->attach (
2080	prio => 10000,
2081	on_cleanup => sub {
2082	db_sync;
2083	},	2836	}
2084	);
2085	}
2086		2837
2087	#############################################################################	2838	while (my ($face, $info) = each %$faces) {
2088	# the server's main()	2839	next unless $info->{smooth};
		2840	my $idx = cf::face::find $face
		2841	or next;
		2842	if (my $smooth = cf::face::find $info->{smooth}) {
		2843	cf::face::set_smooth $idx, $smooth;
		2844	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2845	} else {
		2846	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2847	}
		2848
		2849	cf::cede_to_tick;
		2850	}
		2851	}
		2852
		2853	{
		2854	my $anims = $facedata->{animinfo};
		2855
		2856	while (my ($anim, $info) = each %$anims) {
		2857	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2858	cf::cede_to_tick;
		2859	}
		2860
		2861	cf::anim::invalidate_all; # d'oh
		2862	}
		2863
		2864	{
		2865	# TODO: for gcfclient pleasure, we should give resources
		2866	# that gcfclient doesn't grok a >10000 face index.
		2867	my $res = $facedata->{resource};
		2868	my $enc = JSON::XS->new->utf8->canonical;
		2869
		2870	my $soundconf = delete $res->{"res/sound.conf"};
		2871
		2872	while (my ($name, $info) = each %$res) {
		2873	my $meta = $enc->encode ({
		2874	name => $name,
		2875	%{ $info->{meta} || {} },
		2876	});
		2877
		2878	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2879
		2880	if ($info->{type} & 1) {
		2881	# prepend meta info
		2882
		2883	my $data = pack "(w/a*)*", $meta, $info->{data};
		2884	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2885
		2886	cf::face::set_data $idx, 0, $data, $chk;
		2887	} else {
		2888	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2889	}
		2890
		2891	cf::face::set_type $idx, $info->{type};
		2892
		2893	cf::cede_to_tick;
		2894	}
		2895
		2896	if ($soundconf) {
		2897	$soundconf = $enc->decode (delete $soundconf->{data});
		2898
		2899	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2900	my $sound = $soundconf->{compat}[$_]
		2901	or next;
		2902
		2903	my $face = cf::face::find "sound/$sound->[1]";
		2904	cf::sound::set $sound->[0] => $face;
		2905	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2906	}
		2907
		2908	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2909	my $face = cf::face::find "sound/$v";
		2910	cf::sound::set $k => $face;
		2911	}
		2912	}
		2913	}
		2914
		2915	1
		2916	}
		2917
		2918	register_exticmd fx_want => sub {
		2919	my ($ns, $want) = @_;
		2920
		2921	while (my ($k, $v) = each %$want) {
		2922	$ns->fx_want ($k, $v);
		2923	}
		2924	};
		2925
		2926	sub reload_regions {
		2927	load_resource_file "$MAPDIR/regions"
		2928	or die "unable to load regions file\n";
		2929
		2930	for (cf::region::list) {
		2931	$_->{match} = qr/$_->{match}/
		2932	if exists $_->{match};
		2933	}
		2934	}
		2935
		2936	sub reload_facedata {
		2937	load_facedata "$DATADIR/facedata"
		2938	or die "unable to load facedata\n";
		2939	}
		2940
		2941	sub reload_archetypes {
		2942	load_resource_file "$DATADIR/archetypes"
		2943	or die "unable to load archetypes\n";
		2944	#d# NEED to laod twice to resolve forward references
		2945	# this really needs to be done in an extra post-pass
		2946	# (which needs to be synchronous, so solve it differently)
		2947	load_resource_file "$DATADIR/archetypes"
		2948	or die "unable to load archetypes\n";
		2949	}
		2950
		2951	sub reload_treasures {
		2952	load_resource_file "$DATADIR/treasures"
		2953	or die "unable to load treasurelists\n";
		2954	}
		2955
		2956	sub reload_resources {
		2957	warn "reloading resource files...\n";
		2958
		2959	reload_regions;
		2960	reload_facedata;
		2961	#reload_archetypes;#d#
		2962	reload_archetypes;
		2963	reload_treasures;
		2964
		2965	warn "finished reloading resource files\n";
		2966	}
		2967
		2968	sub init {
		2969	reload_resources;
		2970	}
2089		2971
2090	sub cfg_load {	2972	sub cfg_load {
2091	open my $fh, "<:utf8", cf::confdir . "/config"	2973	open my $fh, "<:utf8", "$CONFDIR/config"
2092	or return;	2974	or return;
2093		2975
2094	local $/;	2976	local $/;
2095	*CFG = YAML::Syck::Load <$fh>;	2977	*CFG = YAML::Syck::Load <$fh>;
2096		2978
…		…
2110		2992
2111	sub main {	2993	sub main {
2112	# we must not ever block the main coroutine	2994	# we must not ever block the main coroutine
2113	local $Coro::idle = sub {	2995	local $Coro::idle = sub {
2114	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2996	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2997	(async {
2115	async { Event::one_event };	2998	Event::one_event;
		2999	})->prio (Coro::PRIO_MAX);
2116	};	3000	};
2117		3001
2118	cfg_load;	3002	cfg_load;
2119	db_load;	3003	db_init;
2120	load_extensions;	3004	load_extensions;
		3005
		3006	$TICK_WATCHER->start;
2121	Event::loop;	3007	Event::loop;
2122	}	3008	}
2123		3009
2124	#############################################################################	3010	#############################################################################
2125	# initialisation	3011	# initialisation and cleanup
2126		3012
		3013	# install some emergency cleanup handlers
		3014	BEGIN {
		3015	for my $signal (qw(INT HUP TERM)) {
		3016	Event->signal (
		3017	reentrant => 0,
		3018	data => WF_AUTOCANCEL,
		3019	signal => $signal,
		3020	prio => 0,
		3021	cb => sub {
		3022	cf::cleanup "SIG$signal";
		3023	},
		3024	);
		3025	}
		3026	}
		3027
		3028	sub write_runtime {
		3029	my $runtime = "$LOCALDIR/runtime";
		3030
		3031	# first touch the runtime file to show we are still running:
		3032	# the fsync below can take a very very long time.
		3033
		3034	IO::AIO::aio_utime $runtime, undef, undef;
		3035
		3036	my $guard = cf::lock_acquire "write_runtime";
		3037
		3038	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3039	or return;
		3040
		3041	my $value = $cf::RUNTIME + 90 + 10;
		3042	# 10 is the runtime save interval, for a monotonic clock
		3043	# 60 allows for the watchdog to kill the server.
		3044
		3045	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3046	and return;
		3047
		3048	# always fsync - this file is important
		3049	aio_fsync $fh
		3050	and return;
		3051
		3052	# touch it again to show we are up-to-date
		3053	aio_utime $fh, undef, undef;
		3054
		3055	close $fh
		3056	or return;
		3057
		3058	aio_rename "$runtime~", $runtime
		3059	and return;
		3060
		3061	warn "runtime file written.\n";
		3062
		3063	1
		3064	}
		3065
		3066	sub emergency_save() {
		3067	my $freeze_guard = cf::freeze_mainloop;
		3068
		3069	warn "enter emergency perl save\n";
		3070
		3071	cf::sync_job {
		3072	# use a peculiar iteration method to avoid tripping on perl
		3073	# refcount bugs in for. also avoids problems with players
		3074	# and maps saved/destroyed asynchronously.
		3075	warn "begin emergency player save\n";
		3076	for my $login (keys %cf::PLAYER) {
		3077	my $pl = $cf::PLAYER{$login} or next;
		3078	$pl->valid or next;
		3079	$pl->save;
		3080	}
		3081	warn "end emergency player save\n";
		3082
		3083	warn "begin emergency map save\n";
		3084	for my $path (keys %cf::MAP) {
		3085	my $map = $cf::MAP{$path} or next;
		3086	$map->valid or next;
		3087	$map->save;
		3088	}
		3089	warn "end emergency map save\n";
		3090
		3091	warn "begin emergency database checkpoint\n";
		3092	BDB::db_env_txn_checkpoint $DB_ENV;
		3093	warn "end emergency database checkpoint\n";
		3094	};
		3095
		3096	warn "leave emergency perl save\n";
		3097	}
		3098
		3099	sub post_cleanup {
		3100	my ($make_core) = @_;
		3101
		3102	warn Carp::longmess "post_cleanup backtrace"
		3103	if $make_core;
		3104	}
		3105
2127	sub reload() {	3106	sub do_reload_perl() {
2128	# can/must only be called in main	3107	# can/must only be called in main
2129	if ($Coro::current != $Coro::main) {	3108	if ($Coro::current != $Coro::main) {
2130	warn "can only reload from main coroutine\n";	3109	warn "can only reload from main coroutine";
2131	return;	3110	return;
2132	}	3111	}
2133		3112
2134	warn "reloading...";	3113	warn "reloading...";
2135		3114
2136	my $guard = freeze_mainloop;	3115	warn "entering sync_job";
		3116
		3117	cf::sync_job {
		3118	cf::write_runtime; # external watchdog should not bark
2137	cf::emergency_save;	3119	cf::emergency_save;
		3120	cf::write_runtime; # external watchdog should not bark
2138		3121
2139	eval {	3122	warn "syncing database to disk";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124
2140	# if anything goes wrong in here, we should simply crash as we already saved	3125	# if anything goes wrong in here, we should simply crash as we already saved
2141		3126
2142	# cancel all watchers	3127	warn "cancelling all WF_AUTOCANCEL watchers";
2143	for (Event::all_watchers) {	3128	for (Event::all_watchers) {
2144	$_->cancel if $_->data & WF_AUTOCANCEL;	3129	$_->cancel if $_->data & WF_AUTOCANCEL;
2145	}	3130	}
2146		3131
		3132	warn "flushing outstanding aio requests";
		3133	for (;;) {
		3134	BDB::flush;
		3135	IO::AIO::flush;
		3136	Coro::cede;
		3137	last unless IO::AIO::nreqs || BDB::nreqs;
		3138	warn "iterate...";
		3139	}
		3140
		3141	++$RELOAD;
		3142
2147	# cancel all extension coros	3143	warn "cancelling all extension coros";
2148	$_->cancel for values %EXT_CORO;	3144	$_->cancel for values %EXT_CORO;
2149	%EXT_CORO = ();	3145	%EXT_CORO = ();
2150		3146
2151	# unload all extensions	3147	warn "removing commands";
2152	for (@exts) {	3148	%COMMAND = ();
		3149
		3150	warn "removing ext/exti commands";
		3151	%EXTCMD = ();
		3152	%EXTICMD = ();
		3153
		3154	warn "unloading/nuking all extensions";
		3155	for my $pkg (@EXTS) {
2153	warn "unloading <$_>";	3156	warn "... unloading $pkg";
2154	unload_extension $_;	3157
		3158	if (my $cb = $pkg->can ("unload")) {
		3159	eval {
		3160	$cb->($pkg);
		3161	1
		3162	} or warn "$pkg unloaded, but with errors: $@";
2155	}	3163	}
2156		3164
		3165	warn "... nuking $pkg";
		3166	Symbol::delete_package $pkg;
		3167	}
		3168
2157	# unload all modules loaded from $LIBDIR	3169	warn "unloading all perl modules loaded from $LIBDIR";
2158	while (my ($k, $v) = each %INC) {	3170	while (my ($k, $v) = each %INC) {
2159	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3171	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160		3172
2161	warn "removing <$k>";	3173	warn "... unloading $k";
2162	delete $INC{$k};	3174	delete $INC{$k};
2163		3175
2164	$k =~ s/\.pm$//;	3176	$k =~ s/\.pm$//;
2165	$k =~ s/\//::/g;	3177	$k =~ s/\//::/g;
2166		3178
…		…
2169	}	3181	}
2170		3182
2171	Symbol::delete_package $k;	3183	Symbol::delete_package $k;
2172	}	3184	}
2173		3185
2174	# sync database to disk
2175	cf::db_sync;
2176	IO::AIO::flush;
2177
2178	# get rid of safe::, as good as possible	3186	warn "getting rid of safe::, as good as possible";
2179	Symbol::delete_package "safe::$_"	3187	Symbol::delete_package "safe::$_"
2180	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3188	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181		3189
2182	# remove register_script_function callbacks
2183	# TODO
2184
2185	# unload cf.pm "a bit"	3190	warn "unloading cf.pm \"a bit\"";
2186	delete $INC{"cf.pm"};	3191	delete $INC{"cf.pm"};
		3192	delete $INC{"cf/pod.pm"};
2187		3193
2188	# don't, removes xs symbols, too,	3194	# don't, removes xs symbols, too,
2189	# and global variables created in xs	3195	# and global variables created in xs
2190	#Symbol::delete_package __PACKAGE__;	3196	#Symbol::delete_package __PACKAGE__;
2191		3197
2192	# reload cf.pm	3198	warn "unload completed, starting to reload now";
		3199
2193	warn "reloading cf.pm";	3200	warn "reloading cf.pm";
2194	require cf;	3201	require cf;
2195	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3202	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196		3203
2197	# load config and database again	3204	warn "loading config and database again";
2198	cf::cfg_load;	3205	cf::cfg_load;
2199	cf::db_load;
2200		3206
2201	# load extensions
2202	warn "load extensions";	3207	warn "loading extensions";
2203	cf::load_extensions;	3208	cf::load_extensions;
2204		3209
2205	# reattach attachments to objects	3210	warn "reattaching attachments to objects/players";
2206	warn "reattach";	3211	_global_reattach; # objects, sockets
2207	_global_reattach;	3212	warn "reattaching attachments to maps";
2208	reattach $_ for values %MAP;	3213	reattach $_ for values %MAP;
2209	};	3214	warn "reattaching attachments to players";
		3215	reattach $_ for values %PLAYER;
2210		3216
2211	if ($@) {	3217	warn "leaving sync_job";
		3218
		3219	1
		3220	} or do {
2212	warn $@;	3221	warn $@;
2213	warn "error while reloading, exiting.";	3222	warn "error while reloading, exiting.";
2214	exit 1;	3223	exit 1;
2215	}	3224	};
2216		3225
2217	warn "reloaded successfully";	3226	warn "reloaded";
2218	};	3227	};
2219		3228
2220	#############################################################################	3229	our $RELOAD_WATCHER; # used only during reload
2221		3230
2222	unless ($LINK_MAP) {	3231	sub reload_perl() {
2223	$LINK_MAP = cf::map::new;	3232	# doing reload synchronously and two reloads happen back-to-back,
		3233	# coro crashes during coro_state_free->destroy here.
2224		3234
2225	$LINK_MAP->width (41);	3235	$RELOAD_WATCHER ||= Event->timer (
2226	$LINK_MAP->height (41);	3236	reentrant => 0,
2227	$LINK_MAP->alloc;
2228	$LINK_MAP->path ("{link}");
2229	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232	# dirty hack because... archetypes are not yet loaded
2233	Event->timer (
2234	after => 10,	3237	after => 0,
		3238	data => WF_AUTOCANCEL,
2235	cb => sub {	3239	cb => sub {
2236	$_[0]->w->cancel;	3240	do_reload_perl;
2237		3241	undef $RELOAD_WATCHER;
2238	# provide some exits "home"
2239	my $exit = cf::object::new "exit";
2240
2241	$exit->slaying ($EMERGENCY_POSITION->[0]);
2242	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245	$LINK_MAP->insert ($exit->clone, 19, 19);
2246	$LINK_MAP->insert ($exit->clone, 19, 20);
2247	$LINK_MAP->insert ($exit->clone, 19, 21);
2248	$LINK_MAP->insert ($exit->clone, 20, 19);
2249	$LINK_MAP->insert ($exit->clone, 20, 21);
2250	$LINK_MAP->insert ($exit->clone, 21, 19);
2251	$LINK_MAP->insert ($exit->clone, 21, 20);
2252	$LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254	$exit->destroy;
2255	});	3242	},
2256		3243	);
2257	$LINK_MAP->{deny_save} = 1;
2258	$LINK_MAP->{deny_reset} = 1;
2259
2260	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261	}	3244	}
2262
2263	register "<global>", __PACKAGE__;
2264		3245
2265	register_command "reload" => sub {	3246	register_command "reload" => sub {
2266	my ($who, $arg) = @_;	3247	my ($who, $arg) = @_;
2267		3248
2268	if ($who->flag (FLAG_WIZ)) {	3249	if ($who->flag (FLAG_WIZ)) {
2269	$who->message ("start of reload.");
2270	reload;
2271	$who->message ("end of reload.");	3250	$who->message ("reloading server.");
		3251	async { reload_perl };
2272	}	3252	}
2273	};	3253	};
2274		3254
2275	unshift @INC, $LIBDIR;	3255	unshift @INC, $LIBDIR;
2276		3256
		3257	my $bug_warning = 0;
		3258
		3259	our @WAIT_FOR_TICK;
		3260	our @WAIT_FOR_TICK_BEGIN;
		3261
		3262	sub wait_for_tick {
		3263	return unless $TICK_WATCHER->is_active;
		3264	return if $Coro::current == $Coro::main;
		3265
		3266	my $signal = new Coro::Signal;
		3267	push @WAIT_FOR_TICK, $signal;
		3268	$signal->wait;
		3269	}
		3270
		3271	sub wait_for_tick_begin {
		3272	return unless $TICK_WATCHER->is_active;
		3273	return if $Coro::current == $Coro::main;
		3274
		3275	my $signal = new Coro::Signal;
		3276	push @WAIT_FOR_TICK_BEGIN, $signal;
		3277	$signal->wait;
		3278	}
		3279
		3280	my $min = 1e6;#d#
		3281	my $avg = 10;
2277	$TICK_WATCHER = Event->timer (	3282	$TICK_WATCHER = Event->timer (
2278	reentrant => 0,	3283	reentrant => 0,
		3284	parked => 1,
2279	prio => 0,	3285	prio => 0,
2280	at => $NEXT_TICK || $TICK,	3286	at => $NEXT_TICK || $TICK,
2281	data => WF_AUTOCANCEL,	3287	data => WF_AUTOCANCEL,
2282	cb => sub {	3288	cb => sub {
		3289	if ($Coro::current != $Coro::main) {
		3290	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3291	unless ++$bug_warning > 10;
		3292	return;
		3293	}
		3294
		3295	$NOW = $tick_start = Event::time;
		3296
2283	cf::server_tick; # one server iteration	3297	cf::server_tick; # one server iteration
		3298
		3299	0 && sync_job {#d#
		3300	for(1..10) {
		3301	my $t = Event::time;
		3302	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3303	or die;
		3304
		3305	$map->width (50);
		3306	$map->height (50);
		3307	$map->alloc;
		3308	$map->_load_objects ("/tmp/x.map", 1);
		3309	my $t = Event::time - $t;
		3310
		3311	#next unless $t < 0.0013;#d#
		3312	if ($t < $min) {
		3313	$min = $t;
		3314	}
		3315	$avg = $avg * 0.99 + $t * 0.01;
		3316	}
		3317	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3318	exit 0;
		3319	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3320	};
		3321
2284	$RUNTIME += $TICK;	3322	$RUNTIME += $TICK;
2285	$NEXT_TICK += $TICK;	3323	$NEXT_TICK += $TICK;
2286		3324
		3325	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		3326	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3327	Coro::async_pool {
		3328	write_runtime
		3329	or warn "ERROR: unable to write runtime file: $!";
		3330	};
		3331	}
		3332
		3333	# my $AFTER = Event::time;
		3334	# warn $AFTER - $NOW;#d#
		3335
		3336	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3337	$sig->send;
		3338	}
		3339	while (my $sig = shift @WAIT_FOR_TICK) {
		3340	$sig->send;
		3341	}
		3342
		3343	$NOW = Event::time;
		3344
2287	# if we are delayed by four ticks or more, skip them all	3345	# if we are delayed by four ticks or more, skip them all
2288	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3346	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2289		3347
2290	$TICK_WATCHER->at ($NEXT_TICK);	3348	$TICK_WATCHER->at ($NEXT_TICK);
2291	$TICK_WATCHER->start;	3349	$TICK_WATCHER->start;
		3350
		3351	$LOAD = ($NOW - $tick_start) / $TICK;
		3352	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3353
		3354	_post_tick;
		3355
		3356
2292	},	3357	},
2293	);	3358	);
2294		3359
		3360	{
2295	IO::AIO::max_poll_time $TICK * 0.2;	3361	BDB::max_poll_time $TICK * 0.1;
2296		3362	$BDB_POLL_WATCHER = Event->io (
2297	Event->io (	3363	reentrant => 0,
2298	fd => IO::AIO::poll_fileno,	3364	fd => BDB::poll_fileno,
2299	poll => 'r',	3365	poll => 'r',
2300	prio => 5,	3366	prio => 0,
2301	data => WF_AUTOCANCEL,
2302	cb => \&IO::AIO::poll_cb,
2303	);
2304
2305	Event->timer (
2306	data => WF_AUTOCANCEL,	3367	data => WF_AUTOCANCEL,
2307	after => 0,	3368	cb => \&BDB::poll_cb,
2308	interval => 10,	3369	);
2309	cb => sub {	3370	BDB::min_parallel 8;
2310	(Coro::unblock_sub {	3371
2311	write_runtime	3372	BDB::set_sync_prepare {
2312	or warn "ERROR: unable to write runtime file: $!";	3373	my $status;
		3374	my $current = $Coro::current;
		3375	(
		3376	sub {
		3377	$status = $!;
		3378	$current->ready; undef $current;
		3379	},
		3380	sub {
		3381	Coro::schedule while defined $current;
		3382	$! = $status;
		3383	},
		3384	)
		3385	};
		3386
		3387	unless ($DB_ENV) {
		3388	$DB_ENV = BDB::db_env_create;
		3389
		3390	cf::sync_job {
		3391	eval {
		3392	BDB::db_env_open
		3393	$DB_ENV,
		3394	$BDBDIR,
		3395	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3396	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3397	0666;
		3398
		3399	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3400
		3401	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3402	$DB_ENV->set_lk_detect;
		3403	};
		3404
		3405	cf::cleanup "db_env_open(db): $@" if $@;
2313	})->();	3406	};
2314	},	3407	}
2315	);	3408	}
		3409
		3410	{
		3411	IO::AIO::min_parallel 8;
		3412
		3413	undef $Coro::AIO::WATCHER;
		3414	IO::AIO::max_poll_time $TICK * 0.1;
		3415	$AIO_POLL_WATCHER = Event->io (
		3416	reentrant => 0,
		3417	data => WF_AUTOCANCEL,
		3418	fd => IO::AIO::poll_fileno,
		3419	poll => 'r',
		3420	prio => 6,
		3421	cb => \&IO::AIO::poll_cb,
		3422	);
		3423	}
		3424
		3425	my $_log_backtrace;
		3426
		3427	sub _log_backtrace {
		3428	my ($msg, @addr) = @_;
		3429
		3430	$msg =~ s/\n//;
		3431
		3432	# limit the # of concurrent backtraces
		3433	if ($_log_backtrace < 2) {
		3434	++$_log_backtrace;
		3435	async {
		3436	my @bt = fork_call {
		3437	@addr = map { sprintf "%x", $_ } @addr;
		3438	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3439	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3440	or die "addr2line: $!";
		3441
		3442	my @funcs;
		3443	my @res = <$fh>;
		3444	chomp for @res;
		3445	while (@res) {
		3446	my ($func, $line) = splice @res, 0, 2, ();
		3447	push @funcs, "[$func] $line";
		3448	}
		3449
		3450	@funcs
		3451	};
		3452
		3453	LOG llevInfo, "[ABT] $msg\n";
		3454	LOG llevInfo, "[ABT] $_\n" for @bt;
		3455	--$_log_backtrace;
		3456	};
		3457	} else {
		3458	LOG llevInfo, "[ABT] $msg\n";
		3459	LOG llevInfo, "[ABT] [suppressed]\n";
		3460	}
		3461	}
		3462
		3463	# load additional modules
		3464	use cf::pod;
2316		3465
2317	END { cf::emergency_save }	3466	END { cf::emergency_save }
2318		3467
2319	1	3468	1
2320		3469

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