ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.163 by root, Thu Jan 11 01:01:56 2007 UTC vs.
Revision 1.338 by root, Tue Aug 21 01:07:47 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
		78	our $AIO_POLL_WATCHER;
		79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	80	our $NEXT_TICK;
50	our $NOW;	81	our $NOW;
		82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
51		86
52	our %CFG;	87	our %CFG;
53		88
54	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	90	our $RUNTIME;
56		91
57	our %PLAYER; # all users	92	our %PLAYER; # all users
58	our %MAP; # all maps	93	our %MAP; # all maps
59	our $LINK_MAP; # the special {link} map	94	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61		95
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	96	# used to convert map paths into valid unix filenames by replacing / by ∕
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		98
		99	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		100	our $LOADAVG; # same thing, but with alpha-smoothing
		101	our $tick_start; # for load detecting purposes
64		102
65	binmode STDOUT;	103	binmode STDOUT;
66	binmode STDERR;	104	binmode STDERR;
67		105
68	# read virtual server time, if available	106	# read virtual server time, if available
69	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
70	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
71	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
72	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
73	}	111	}
74		112
75	mkdir cf::localdir;	113	mkdir $_
76	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
77	mkdir cf::localdir . "/" . cf::tmpdir;
78	mkdir cf::localdir . "/" . cf::uniquedir;
79	mkdir $RANDOM_MAPS;
80		115
81	# a special map that is always available
82	our $LINK_MAP;
83	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
84		119
85	#############################################################################	120	#############################################################################
86		121
87	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
88		123
…		…
95	=item $cf::RUNTIME	130	=item $cf::RUNTIME
96		131
97	The time this server has run, starts at 0 and is increased by $cf::TICK on	132	The time this server has run, starts at 0 and is increased by $cf::TICK on
98	every server tick.	133	every server tick.
99		134
100	=item $cf::LIBDIR	135	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		136	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		137	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
101		138
102	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
103	be found. It will be added to C<@INC> automatically.	140	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		141	unique-items directory, player file directory, random maps directory and
		142	database environment.
104		143
105	=item $cf::NOW	144	=item $cf::NOW
106		145
107	The time of the last (current) server tick.	146	The time of the last (current) server tick.
108		147
109	=item $cf::TICK	148	=item $cf::TICK
110		149
111	The interval between server ticks, in seconds.	150	The interval between server ticks, in seconds.
		151
		152	=item $cf::LOADAVG
		153
		154	The current CPU load on the server (alpha-smoothed), as a value between 0
		155	(none) and 1 (overloaded), indicating how much time is spent on processing
		156	objects per tick. Healthy values are < 0.5.
		157
		158	=item $cf::LOAD
		159
		160	The raw value load value from the last tick.
112		161
113	=item %cf::CFG	162	=item %cf::CFG
114		163
115	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
116	from wherever your confdir points to.	165	from wherever your confdir points to.
117		166
118	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
119		168
120	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	169	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
121	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	170	returns directly I<after> the tick processing (and consequently, can only wake one process
122	processing has been done. Call C<< ->wait >> on them to maximise the	171	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
123	window of cpu time available, or simply to synchronise to the server tick.	172
		173	=item @cf::INVOKE_RESULTS
		174
		175	This array contains the results of the last C<invoke ()> call. When
		176	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		177	that call.
124		178
125	=back	179	=back
126		180
127	=cut	181	=cut
128		182
129	BEGIN {	183	BEGIN {
130	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
131	my $msg = join "", @_;	185	my $msg = join "", @_;
132	utf8::encode $msg;
133		186
134	$msg .= "\n"	187	$msg .= "\n"
135	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
136		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
137	LOG llevError, $msg;	193	LOG llevError, $msg;
138	};	194	};
139	}	195	}
140		196
141	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
142	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
143	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
144	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
145	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
146	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
147		204
148	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
149	# within the Safe compartment.	206	# within the Safe compartment.
150	for my $pkg (qw(	207	for my $pkg (qw(
151	cf::global cf::attachable	208	cf::global cf::attachable
…		…
159	}	216	}
160		217
161	$Event::DIED = sub {	218	$Event::DIED = sub {
162	warn "error in event callback: @_";	219	warn "error in event callback: @_";
163	};	220	};
		221
		222	#############################################################################
164		223
165	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
166		225
167	=over 4	226	=over 4
168		227
…		…
187	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188	$d	247	$d
189	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
190	}	249	}
191		250
192	use JSON::Syck (); # TODO# replace by JSON::PC once working
193
194	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
195		252
196	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
197		254
198	=cut
199
200	sub from_json($) {
201	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
202	JSON::Syck::Load $_[0]
203	}
204
205	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
206		256
207	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
208		258
209	=cut	259	=cut
210		260
211	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
212	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
213	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
214	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
215		265
216	=item cf::lock_wait $string	266	=item cf::lock_wait $string
217		267
218	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
219		269
…		…
225	returned.	275	returned.
226		276
227	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
228	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
229		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
230	=cut	284	=cut
231		285
232	our %LOCK;	286	our %LOCK;
233		287
234	sub lock_wait($) {	288	sub lock_wait($) {
…		…
253	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
254	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
255	}	309	}
256	}	310	}
257		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
258	sub freeze_mainloop {	318	sub freeze_mainloop {
259	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
260		320
261	my $guard = Coro::guard { $TICK_WATCHER->start };	321	my $guard = Coro::guard {
		322	$TICK_WATCHER->start;
		323	};
262	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
263	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
264	}	382	}
265		383
266	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
267		385
268	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
273		391
274	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
275		393
276	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
277		395
278	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
279	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
280	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
281		400
282	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
283	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
284	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
285	fast or be very important.	404	fast or be very important.
…		…
288		407
289	sub sync_job(&) {	408	sub sync_job(&) {
290	my ($job) = @_;	409	my ($job) = @_;
291		410
292	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
293	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
294	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
295		416
296	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
297	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
308		429
309	while ($busy) {	430	while ($busy) {
310	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
311	}	432	}
312		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
313	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
314	} else {	442	} else {
315	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
316		444
317	$job->()	445	$job->()
…		…
336	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
337		465
338	$coro	466	$coro
339	}	467	}
340		468
341	sub write_runtime {	469	=item fork_call { }, $args
342	my $runtime = cf::localdir . "/runtime";
343		470
344	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
345	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
346		475
347	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
348	(aio_write $fh, 0, (length $value), $value, 0) <= 0
349	and return;
350		477
351	aio_fsync $fh	478	sub fork_call(&@) {
352	and return;	479	my ($cb, @args) = @_;
353		480
354	close $fh	481	# we seemingly have to make a local copy of the whole thing,
355	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
356		484
357	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
358	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
359		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
360	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
361	}	618	}
362		619
363	=back	620	=back
364		621
365	=cut	622	=cut
366
367	#############################################################################
368
369	package cf::path;
370
371	use overload
372	'""' => \&as_string;
373
374	# used to convert map paths into valid unix filenames by repalcing / by ∕
375	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377	sub register {
378	my ($pkg, $prefix) = @_;
379
380	$EXT_MAP{$prefix} = $pkg;
381	}
382
383	sub new {
384	my ($class, $path, $base) = @_;
385
386	return $path if ref $path;
387
388	my $self = {};
389
390	# {... are special paths that are not being touched
391	# ?xxx/... are special absolute paths
392	# ?random/... random maps
393	# /! non-realised random map exit
394	# /... normal maps
395	# ~/... per-player maps without a specific player (DO NOT USE)
396	# ~user/... per-player map of a specific user
397
398	$path =~ s/$PATH_SEP/\//go;
399
400	if ($path =~ /^{/) {
401	# fine as it is
402	} else {
403	if ($path =~ s{^~([^/]+)?}{}) {
404	# ~user
405	$self->{user_rel} = 1;
406
407	if (defined $1) {
408	$self->{user} = $1;
409	} elsif ($base =~ m{^~([^/]+)/}) {
410	$self->{user} = $1;
411	} else {
412	warn "cannot resolve user-relative path without user <$path,$base>\n";
413	}
414	} elsif ($path =~ s{^\?([^/]+)/}{}) {
415	# ?...
416	$self->{ext} = $1;
417	if (my $ext = $EXT_MAP{$1}) {
418	bless $self, $ext;
419	}
420	} elsif ($path =~ /^\//) {
421	# /...
422	# already absolute
423	} else {
424	# relative
425	$base =~ s{[^/]+/?$}{};
426	return $class->new ("$base/$path");
427	}
428
429	for ($path) {
430	redo if s{/\.?/}{/};
431	redo if s{/[^/]+/\.\./}{/};
432	}
433	}
434
435	$self->{path} = $path;
436
437	if ("HASH" eq ref $self) {
438	bless $self, $class;
439	} else {
440	$self->init;
441	}
442
443	for my $ext (values %EXT_MAP) {
444	if (my $subst = $ext->substitute ($self)) {
445	return $subst;
446	}
447	}
448
449	$self
450	}
451
452	sub init {
453	# nop
454	}
455
456	sub substitute {
457	()
458	}
459
460	# the name / primary key / in-game path
461	sub as_string {
462	my ($self) = @_;
463
464	$self->{user_rel} ? "~$self->{user}$self->{path}"
465	: $self->{ext} ? "?$self->{ext}/$self->{path}"
466	: $self->{path}
467	}
468
469	# the displayed name, this is a one way mapping
470	sub visible_name {
471	&as_string
472	}
473
474	# escape the /'s in the path
475	sub _escaped_path {
476	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478	$path
479	}
480
481	# the original (read-only) location
482	sub load_path {
483	my ($self) = @_;
484
485	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486	}
487
488	# the temporary/swap location
489	sub save_path {
490	my ($self) = @_;
491
492	$self->{user_rel}
493	? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495	}
496
497	# the unique path, undef == no special unique path
498	sub uniq_path {
499	my ($self) = @_;
500
501	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502	}
503
504	# this is somewhat ugly, but style maps do need special treatment
505	sub is_style_map {
506	$_[0]{path} =~ m{^/styles/}
507	}
508
509	sub load_orig {
510	my ($self) = @_;
511
512	&cf::map::load_map_header ($self->load_path)
513	}
514
515	sub load_temp {
516	my ($self) = @_;
517
518	&cf::map::load_map_header ($self->save_path)
519	}
520
521	package cf;
522		623
523	#############################################################################	624	#############################################################################
524		625
525	=head2 ATTACHABLE OBJECTS	626	=head2 ATTACHABLE OBJECTS
526		627
…		…
528	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
529	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
530		631
531	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
532	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
533	crossfire+).	634	Crossfire TRT).
534		635
535	=over 4	636	=over 4
536		637
537	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
538		639
…		…
652	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
653	our @CB_MAP = ();	754	our @CB_MAP = ();
654		755
655	my %attachment;	756	my %attachment;
656		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
657	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
658	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
659		766
660	use sort 'stable';	767	use sort 'stable';
661		768
…		…
695	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
696		803
697	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
698	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
699	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
700	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
701		808
702	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
703	my $pkg = shift @arg;	810	my $pkg = shift @arg;
704		811
705	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
734	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
735	}	842	}
736		843
737	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
738	} else {	845	} else {
739	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
740	}	847	}
741		848
742	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
743	}	850	}
744		851
…		…
746	if (ref $_[0]) {	853	if (ref $_[0]) {
747	_object_attach @_;	854	_object_attach @_;
748	} else {	855	} else {
749	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
750	}	857	}
		858	_recalc_want;
751	};	859	};
752		860
753	# all those should be optimised	861	# all those should be optimised
754	sub cf::attachable::detach {	862	sub cf::attachable::detach {
755	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
758	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
759	reattach ($obj);	867	reattach ($obj);
760	} else {	868	} else {
761	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
762	}	870	}
		871	_recalc_want;
763	};	872	};
764		873
765	sub cf::attachable::attached {	874	sub cf::attachable::attached {
766	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
767		876
…		…
782	";	891	";
783	die if $@;	892	die if $@;
784	}	893	}
785		894
786	our $override;	895	our $override;
787	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
788		897
789	sub override {	898	sub override {
790	$override = 1;	899	$override = 1;
791	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
792	}	901	}
793		902
794	sub do_invoke {	903	sub do_invoke {
795	my $event = shift;	904	my $event = shift;
796	my $callbacks = shift;	905	my $callbacks = shift;
797		906
798	@invoke_results = ();	907	@INVOKE_RESULTS = ();
799		908
800	local $override;	909	local $override;
801		910
802	for (@$callbacks) {	911	for (@$callbacks) {
803	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
820		929
821	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
822		931
823	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
824	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
825	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
826		935
827	=back	936	=back
828		937
829	=cut	938	=cut
830		939
831	#############################################################################	940	#############################################################################
832	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
833		953
834	sub reattach {	954	sub reattach {
835	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
836	my ($obj) = @_;	956	my ($obj) = @_;
		957
		958	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
837		959
838	my $registry = $obj->registry;	960	my $registry = $obj->registry;
839		961
840	@$registry = ();	962	@$registry = ();
841		963
…		…
888	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
889		1011
890	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
891	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
892	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
893	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
894	close $fh;	1016	close $fh;
895		1017
896	if (@$objs) {	1018	if (@$objs) {
897	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
898	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
899	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
900	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
901	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
902	close $fh;	1024	close $fh;
903	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
904	}	1026	}
905	} else {	1027	} else {
906	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
938	or return;	1060	or return;
939	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
940	}	1062	}
941		1063
942	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
943	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
944	return ($data, $av);	1066	return ($data, $av);
945	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
946		1074
947	#############################################################################	1075	#############################################################################
948	# command handling &c	1076	# command handling &c
949		1077
950	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
963	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
964	}	1092	}
965		1093
966	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
967		1095
968	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
969		1101
970	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
971	called.	1103	called.
972		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
973	=cut	1116	=cut
974		1117
975	sub register_extcmd {	1118	sub register_extcmd {
976	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
977		1120
978	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
979	}	1128	}
980		1129
981	cf::player->attach (	1130	cf::player->attach (
982	on_command => sub {	1131	on_command => sub {
983	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
992	cf::override;	1141	cf::override;
993	},	1142	},
994	on_extcmd => sub {	1143	on_extcmd => sub {
995	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
996		1145
997	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
998		1147
999	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
1000	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
1001	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
1002	$pl->ext_reply ($msg->{msgid}, %reply);
1003	}
1004	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
1005	} else {	1163	} else {
1006	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1007	}	1165	}
1008		1166
1009	cf::override;	1167	cf::override;
1010	},	1168	},
1011	);	1169	);
1012		1170
1013	sub load_extension {
1014	my ($path) = @_;
1015
1016	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
1017	my $base = $1;
1018	my $pkg = $1;
1019	$pkg =~ s/[^[:word:]]/_/g;
1020	$pkg = "ext::$pkg";
1021
1022	warn "... loading '$path' into '$pkg'\n";
1023
1024	open my $fh, "<:utf8", $path
1025	or die "$path: $!";
1026
1027	my $source =
1028	"package $pkg; use strict; use utf8;\n"
1029	. "#line 1 \"$path\"\n{\n"
1030	. (do { local $/; <$fh> })
1031	. "\n};\n1";
1032
1033	eval $source
1034	or die $@ ? "$path: $@\n"
1035	: "extension disabled.\n";
1036
1037	push @EXTS, $pkg;
1038	}
1039
1040	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
1041	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
1042	next unless -r $ext;	1176	next unless -r $path;
1043	eval {	1177
1044	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
1045	1	1235	}
1046	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
1047	}	1241	};
1048	}	1242	}
1049		1243
1050	#############################################################################	1244	#############################################################################
1051	# load/save/clean perl data associated with a map
1052		1245
1053	*cf::mapsupport::on_clean = sub {	1246	=back
1054	my ($map) = @_;
1055
1056	my $path = $map->tmpname;
1057	defined $path or return;
1058
1059	unlink "$path.pst";
1060	};
1061
1062	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1063
1064	#############################################################################
1065		1247
1066	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
1067		1249
1068	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
1069		1251
…		…
1082	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
1083		1265
1084	=cut	1266	=cut
1085		1267
1086	sub playerdir($) {	1268	sub playerdir($) {
1087	cf::localdir	1269	"$PLAYERDIR/"
1088	. "/"
1089	. cf::playerdir
1090	. "/"
1091	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1092	}	1271	}
1093		1272
1094	sub path($) {	1273	sub path($) {
1095	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096		1275
1097	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
1098	}	1277	}
1099		1278
1100	sub find_active($) {	1279	sub find_active($) {
1101	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
1102	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
1105		1284
1106	sub exists($) {	1285	sub exists($) {
1107	my ($login) = @_;	1286	my ($login) = @_;
1108		1287
1109	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
1110	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
1111	}	1290	}
1112		1291
1113	sub find($) {	1292	sub find($) {
1114	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
1115	my $login = $_[0];	1294	my $login = $_[0];
1116		1295
1117	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
1118		1297
1119	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
1120	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
1121	or return;	1307	or return;
1122	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
1123	}	1309	}
1124	}	1310	}
…		…
1152	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1153		1339
1154	$self	1340	$self
1155	}	1341	}
1156		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1157	=item $pl->quit_character	1353	=item $pl->quit_character
1158		1354
1159	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1160	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1161		1357
1162	=cut	1358	=cut
1163		1359
1164	sub quit_character {	1360	sub quit_character {
1165	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1166		1364
1167	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1168	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1169		1367
1170	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1175	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1176	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1177	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1178	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1179	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1180	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1181	}	1399	}
1182		1400
1183	=item cf::player::list_logins	1401	=item cf::player::list_logins
1184		1402
1185	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1186	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1187		1405
1188	=cut	1406	=cut
1189		1407
1190	sub list_logins {	1408	sub list_logins {
1191	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1192	or return [];	1410	or return [];
1193		1411
1194	my @logins;	1412	my @logins;
1195		1413
1196	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1205	\@logins	1423	\@logins
1206	}	1424	}
1207		1425
1208	=item $player->maps	1426	=item $player->maps
1209		1427
1210	Returns an arrayref of cf::path's of all maps that are private for this	1428	Returns an arrayref of map paths that are private for this
1211	player. May block.	1429	player. May block.
1212		1430
1213	=cut	1431	=cut
1214		1432
1215	sub maps($) {	1433	sub maps($) {
1216	my ($pl) = @_;	1434	my ($pl) = @_;
		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
1217		1437
1218	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1219	or return;	1439	or return;
1220		1440
1221	my @paths;	1441	my @paths;
…		…
1223	for (@$files) {	1443	for (@$files) {
1224	utf8::decode $_;	1444	utf8::decode $_;
1225	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1226	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1227		1447
1228	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1448	push @paths, cf::map::normalise "~$pl/$_";
1229	}	1449	}
1230		1450
1231	\@paths	1451	\@paths
1232	}	1452	}
1233		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1234	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1235		1505
1236	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1237		1507
1238	=cut	1508	=cut
1239		1509
1240	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1241	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1242		1512
1243	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1244
1245	$self->send ("ext " . cf::to_json \%msg);
1246	}	1514	}
1247		1515
1248	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1249		1556
1250	=back	1557	=back
1251
1252		1558
1253	=head3 cf::map	1559	=head3 cf::map
1254		1560
1255	=over 4	1561	=over 4
1256		1562
…		…
1259	package cf::map;	1565	package cf::map;
1260		1566
1261	use Fcntl;	1567	use Fcntl;
1262	use Coro::AIO;	1568	use Coro::AIO;
1263		1569
		1570	use overload
		1571	'""' => \&as_string,
		1572	fallback => 1;
		1573
1264	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1265	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1266		1576
1267	sub generate_random_map {	1577	sub generate_random_map {
1268	my ($path, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1269
1270	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1271	cf::map::_create_random_map (	1580	$self->_create_random_map (
1272	$path,
1273	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1274	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1275	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1276	$rmp->{exit_on_final_map},	1584	$rmp->{exit_on_final_map},
1277	$rmp->{xsize}, $rmp->{ysize},	1585	$rmp->{xsize}, $rmp->{ysize},
…		…
1282	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1283	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1284	)	1592	)
1285	}	1593	}
1286		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
		1603	sub register {
		1604	my (undef, $regex, $prio) = @_;
		1605	my $pkg = caller;
		1606
		1607	no strict;
		1608	push @{"$pkg\::ISA"}, __PACKAGE__;
		1609
		1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1611	}
		1612
		1613	# also paths starting with '/'
		1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
		1625
		1626	sub normalise {
		1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
		1632
		1633	# map plan:
		1634	#
		1635	# /! non-realised random map exit (special hack!)
		1636	# {... are special paths that are not being touched
		1637	# ?xxx/... are special absolute paths
		1638	# ?random/... random maps
		1639	# /... normal maps
		1640	# ~user/... per-player map of a specific user
		1641
		1642	$path =~ s/$PATH_SEP/\//go;
		1643
		1644	# treat it as relative path if it starts with
		1645	# something that looks reasonable
		1646	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1647	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1648
		1649	$base =~ s{[^/]+/?$}{};
		1650	$path = "$base/$path";
		1651	}
		1652
		1653	for ($path) {
		1654	redo if s{//}{/};
		1655	redo if s{/\.?/}{/};
		1656	redo if s{/[^/]+/\.\./}{/};
		1657	}
		1658
		1659	$path
		1660	}
		1661
		1662	sub new_from_path {
		1663	my (undef, $path, $base) = @_;
		1664
		1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1666
		1667	$path = normalise $path, $base;
		1668
		1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1671	my $self = bless cf::map::new, $pkg;
		1672	$self->{path} = $path; $self->path ($path);
		1673	$self->init; # pass $1 etc.
		1674	return $self;
		1675	}
		1676	}
		1677
		1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1679	()
		1680	}
		1681
		1682	sub init {
		1683	my ($self) = @_;
		1684
		1685	$self
		1686	}
		1687
		1688	sub as_string {
		1689	my ($self) = @_;
		1690
		1691	"$self->{path}"
		1692	}
		1693
		1694	# the displayed name, this is a one way mapping
		1695	sub visible_name {
		1696	&as_string
		1697	}
		1698
		1699	# the original (read-only) location
		1700	sub load_path {
		1701	my ($self) = @_;
		1702
		1703	"$MAPDIR/$self->{path}.map"
		1704	}
		1705
		1706	# the temporary/swap location
		1707	sub save_path {
		1708	my ($self) = @_;
		1709
		1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1711	"$TMPDIR/$path.map"
		1712	}
		1713
		1714	# the unique path, undef == no special unique path
		1715	sub uniq_path {
		1716	my ($self) = @_;
		1717
		1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1719	"$UNIQUEDIR/$path"
		1720	}
		1721
1287	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1288	# all maps in C++...	1723	# all maps in C++...
1289	sub change_all_map_light {	1724	sub change_all_map_light {
1290	my ($change) = @_;	1725	my ($change) = @_;
1291		1726
1292	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1293	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1294	}	1729	}
1295		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
		1739	sub unlink_save {
		1740	my ($self) = @_;
		1741
		1742	utf8::encode (my $save = $self->save_path);
		1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1745	}
		1746
1296	sub load_map_header($) {	1747	sub load_header_from($) {
1297	my ($path) = @_;	1748	my ($self, $path) = @_;
1298		1749
1299	utf8::encode $path;	1750	utf8::encode $path;
1300	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
		1752	# or return;
		1753
		1754	$self->_load_header ($path)
1301	or return;	1755	or return;
1302		1756
1303	my $map = cf::map::new	1757	$self->{load_path} = $path;
		1758
		1759	1
		1760	}
		1761
		1762	sub load_header_orig {
		1763	my ($self) = @_;
		1764
		1765	$self->load_header_from ($self->load_path)
		1766	}
		1767
		1768	sub load_header_temp {
		1769	my ($self) = @_;
		1770
		1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
		1791	}
		1792
		1793	sub load_header {
		1794	my ($self) = @_;
		1795
		1796	if ($self->load_header_temp) {
		1797	$self->prepare_temp;
		1798	} else {
		1799	$self->load_header_orig
1304	or return;	1800	or return;
		1801	$self->prepare_orig;
		1802	}
1305		1803
1306	# for better error messages only, will be overwritten later	1804	$self->{deny_reset} = 1
1307	$map->path ($path);	1805	if $self->no_reset;
1308		1806
1309	$map->load_header ($path)	1807	$self->default_region (cf::region::find_by_path $self->{path})
1310	or return;	1808	unless $self->default_region;
1311		1809
1312	$map->{load_path} = $path;	1810	1
1313
1314	$map
1315	}	1811	}
1316		1812
1317	sub find;	1813	sub find;
1318	sub find {	1814	sub find {
1319	my ($path, $origin) = @_;	1815	my ($path, $origin) = @_;
1320		1816
1321	#warn "find<$path,$origin>\n";#d#
1322
1323	$path = new cf::path $path, $origin && $origin->path;	1817	$path = normalise $path, $origin && $origin->path;
1324	my $key = $path->as_string;
1325		1818
1326	cf::lock_wait "map_find:$key";	1819	cf::lock_wait "map_find:$path";
1327		1820
1328	$cf::MAP{$key} || do {	1821	$cf::MAP{$path} || do {
1329	my $guard = cf::lock_acquire "map_find:$key";	1822	my $guard = cf::lock_acquire "map_find:$path";
1330		1823	my $map = new_from_path cf::map $path
1331	# do it the slow way
1332	my $map = $path->load_temp;
1333
1334	Coro::cede;
1335
1336	if ($map) {
1337	$map->last_access ((delete $map->{last_access})
1338	|| $cf::RUNTIME); #d#
1339	# safety
1340	$map->{instantiate_time} = $cf::RUNTIME
1341	if $map->{instantiate_time} > $cf::RUNTIME;
1342	} else {
1343	$map = $path->load_orig
1344	or return;	1824	or return;
1345		1825
1346	$map->{load_original} = 1;
1347	$map->{instantiate_time} = $cf::RUNTIME;
1348	$map->last_access ($cf::RUNTIME);
1349	$map->instantiate;
1350
1351	# per-player maps become, after loading, normal maps
1352	$map->per_player (0) if $path->{user_rel};
1353	}
1354
1355	$map->path ($key);
1356	$map->{path} = $path;
1357	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1358		1827
1359	Coro::cede;	1828	$map->load_header
		1829	or return;
1360		1830
1361	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1362	$map->reset;	1834	$map->reset;
1363	undef $guard;	1835	undef $guard;
1364	$map = find $path	1836	return find $path;
1365	or return;
1366	}	1837	}
1367		1838
1368	$cf::MAP{$key} = $map	1839	$cf::MAP{$path} = $map
1369	}	1840	}
1370	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1371		1845
1372	sub load {	1846	sub load {
1373	my ($self) = @_;	1847	my ($self) = @_;
1374		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1375	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1376	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	1854	my $guard = cf::lock_acquire "map_load:$path";
1377		1855
1378	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1379		1857
1380	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1381		1859
1382	$self->alloc;	1860	$self->alloc;
		1861
		1862	$self->pre_load;
		1863	Coro::cede;
		1864
1383	$self->load_objects ($self->{load_path}, 1)	1865	$self->_load_objects ($self->{load_path}, 1)
1384	or return;	1866	or return;
1385		1867
1386	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1387	if delete $self->{load_original};	1869	if delete $self->{load_original};
1388		1870
1389	if (my $uniq = $path->uniq_path) {	1871	if (my $uniq = $self->uniq_path) {
1390	utf8::encode $uniq;	1872	utf8::encode $uniq;
1391	if (aio_open $uniq, O_RDONLY, 0) {	1873	if (aio_open $uniq, O_RDONLY, 0) {
1392	$self->clear_unique_items;	1874	$self->clear_unique_items;
1393	$self->load_objects ($uniq, 0);	1875	$self->_load_objects ($uniq, 0);
1394	}	1876	}
1395	}	1877	}
1396		1878
1397	Coro::cede;	1879	Coro::cede;
1398
1399	# now do the right thing for maps	1880	# now do the right thing for maps
1400	$self->link_multipart_objects;	1881	$self->link_multipart_objects;
1401
1402	if ($self->{path}->is_style_map) {
1403	$self->{deny_save} = 1;
1404	$self->{deny_reset} = 1;
1405	} else {
1406	$self->fix_auto_apply;
1407	$self->decay_objects;
1408	$self->update_buttons;
1409	$self->set_darkness_map;
1410	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1411	unless $self->difficulty;	1883	unless $self->difficulty;
		1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1412	$self->activate;	1893	$self->activate;
1413	}	1894	}
1414		1895
1415	Coro::cede;	1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
1416		1898
1417	$self->in_memory (cf::MAP_IN_MEMORY);	1899	$self->in_memory (cf::MAP_IN_MEMORY);
		1900	}
		1901
		1902	$self->post_load;
		1903	}
		1904
		1905	sub customise_for {
		1906	my ($self, $ob) = @_;
		1907
		1908	return find "~" . $ob->name . "/" . $self->{path}
		1909	if $self->per_player;
		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
		1914	$self
1418	}	1915	}
1419		1916
1420	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1421	sub load_diag {	1918	sub load_neighbours {
1422	my ($map) = @_;	1919	my ($map) = @_;
1423		1920
1424	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1425		1922
1426	for (0 .. 3) {	1923	for (0 .. 3) {
1427	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1428	or next;	1925	or next;
1429	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1430	or next;	1927	or next;
1431	$neigh->load;	1928	$neigh->load;
1432		1929
		1930	push @neigh,
1433	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1434	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1435	}	1933	}
1436		1934
1437	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1438	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1439	or next;	1938	or next;
1440	$neigh->load;	1939	$neigh->load;
1441	}	1940	}
1442	}	1941	}
1443		1942
…		…
1452		1951
1453	cf::sync_job { $map->load };	1952	cf::sync_job { $map->load };
1454	}	1953	}
1455		1954
1456	our %MAP_PREFETCH;	1955	our %MAP_PREFETCH;
1457	our $MAP_PREFETCHER = Coro::async {	1956	our $MAP_PREFETCHER = undef;
1458	while () {
1459	while (%MAP_PREFETCH) {
1460	my $key = each %MAP_PREFETCH
1461	or next;
1462	my $path = delete $MAP_PREFETCH{$key};
1463
1464	my $map = find $path
1465	or next;
1466	$map->load;
1467	}
1468	Coro::schedule;
1469	}
1470	};
1471		1957
1472	sub find_async {	1958	sub find_async {
1473	my ($path, $origin) = @_;	1959	my ($path, $origin) = @_;
1474		1960
1475	$path = new cf::path $path, $origin && $origin->path;	1961	$path = normalise $path, $origin && $origin->{path};
1476	my $key = $path->as_string;
1477		1962
1478	if (my $map = $cf::MAP{$key}) {	1963	if (my $map = $cf::MAP{$path}) {
1479	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1964	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480	}	1965	}
1481		1966
1482	$MAP_PREFETCH{$key} = $path;	1967	undef $MAP_PREFETCH{$path};
		1968	$MAP_PREFETCHER ||= cf::async {
		1969	while (%MAP_PREFETCH) {
		1970	for my $path (keys %MAP_PREFETCH) {
		1971	if (my $map = find $path) {
		1972	$map->load;
		1973	}
		1974
		1975	delete $MAP_PREFETCH{$path};
		1976	}
		1977	}
		1978	undef $MAP_PREFETCHER;
		1979	};
1483	$MAP_PREFETCHER->ready;	1980	$MAP_PREFETCHER->prio (6);
1484		1981
1485	()	1982	()
1486	}	1983	}
1487		1984
1488	sub save {	1985	sub save {
…		…
1492		1989
1493	$self->{last_save} = $cf::RUNTIME;	1990	$self->{last_save} = $cf::RUNTIME;
1494		1991
1495	return unless $self->dirty;	1992	return unless $self->dirty;
1496		1993
1497	my $save = $self->{path}->save_path; utf8::encode $save;	1994	my $save = $self->save_path; utf8::encode $save;
1498	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	1995	my $uniq = $self->uniq_path; utf8::encode $uniq;
1499		1996
1500	$self->{load_path} = $save;	1997	$self->{load_path} = $save;
1501		1998
1502	return if $self->{deny_save};	1999	return if $self->{deny_save};
1503		2000
…		…
1506	cf::async {	2003	cf::async {
1507	$_->contr->save for $self->players;	2004	$_->contr->save for $self->players;
1508	};	2005	};
1509		2006
1510	if ($uniq) {	2007	if ($uniq) {
1511	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2008	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1512	$self->save_objects ($uniq, cf::IO_UNIQUES);	2009	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1513	} else {	2010	} else {
1514	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2011	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1515	}	2012	}
1516	}	2013	}
1517		2014
1518	sub swap_out {	2015	sub swap_out {
1519	my ($self) = @_;	2016	my ($self) = @_;
…		…
1533		2030
1534	sub reset_at {	2031	sub reset_at {
1535	my ($self) = @_;	2032	my ($self) = @_;
1536		2033
1537	# TODO: safety, remove and allow resettable per-player maps	2034	# TODO: safety, remove and allow resettable per-player maps
1538	return 1e99 if $self->{path}{user_rel};
1539	return 1e99 if $self->{deny_reset};	2035	return 1e99 if $self->{deny_reset};
1540		2036
1541	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2037	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1542	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2038	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1543		2039
…		…
1548	my ($self) = @_;	2044	my ($self) = @_;
1549		2045
1550	$self->reset_at <= $cf::RUNTIME	2046	$self->reset_at <= $cf::RUNTIME
1551	}	2047	}
1552		2048
1553	sub unlink_save {
1554	my ($self) = @_;
1555
1556	utf8::encode (my $save = $self->{path}->save_path);
1557	aioreq_pri 3; IO::AIO::aio_unlink $save;
1558	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1559	}
1560
1561	sub rename {
1562	my ($self, $new_path) = @_;
1563
1564	$self->unlink_save;
1565
1566	delete $cf::MAP{$self->path};
1567	$self->{path} = new cf::path $new_path;
1568	$self->path ($self->{path}->as_string);
1569	$cf::MAP{$self->path} = $self;
1570
1571	$self->save;
1572	}
1573
1574	sub reset {	2049	sub reset {
1575	my ($self) = @_;	2050	my ($self) = @_;
1576		2051
1577	my $lock = cf::lock_acquire "map_data:" . $self->path;	2052	my $lock = cf::lock_acquire "map_data:$self->{path}";
1578		2053
1579	return if $self->players;	2054	return if $self->players;
1580	return if $self->{path}{user_rel};#d#
1581		2055
1582	warn "resetting map ", $self->path;#d#	2056	warn "resetting map ", $self->path;
		2057
		2058	$self->in_memory (cf::MAP_SWAPPED);
		2059
		2060	# need to save uniques path
		2061	unless ($self->{deny_save}) {
		2062	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2063
		2064	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2065	if $uniq;
		2066	}
1583		2067
1584	delete $cf::MAP{$self->path};	2068	delete $cf::MAP{$self->path};
		2069
		2070	$self->clear;
1585		2071
1586	$_->clear_links_to ($self) for values %cf::MAP;	2072	$_->clear_links_to ($self) for values %cf::MAP;
1587		2073
1588	$self->unlink_save;	2074	$self->unlink_save;
1589	$self->destroy;	2075	$self->destroy;
…		…
1592	my $nuke_counter = "aaaa";	2078	my $nuke_counter = "aaaa";
1593		2079
1594	sub nuke {	2080	sub nuke {
1595	my ($self) = @_;	2081	my ($self) = @_;
1596		2082
		2083	delete $cf::MAP{$self->path};
		2084
		2085	$self->unlink_save;
		2086
		2087	bless $self, "cf::map";
		2088	delete $self->{deny_reset};
1597	$self->{deny_save} = 1;	2089	$self->{deny_save} = 1;
1598	$self->reset_timeout (1);	2090	$self->reset_timeout (1);
1599	$self->rename ("{nuke}/" . ($nuke_counter++));	2091	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2092
		2093	$cf::MAP{$self->path} = $self;
		2094
1600	$self->reset; # polite request, might not happen	2095	$self->reset; # polite request, might not happen
1601	}	2096	}
1602		2097
1603	sub customise_for {	2098	=item $maps = cf::map::tmp_maps
1604	my ($map, $ob) = @_;
1605		2099
1606	if ($map->per_player) {	2100	Returns an arrayref with all map paths of currently instantiated and saved
1607	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2101	maps. May block.
		2102
		2103	=cut
		2104
		2105	sub tmp_maps() {
1608	}	2106	[
		2107	map {
		2108	utf8::decode $_;
		2109	/\.map$/
		2110	? normalise $_
		2111	: ()
		2112	} @{ aio_readdir $TMPDIR or [] }
		2113	]
		2114	}
1609		2115
1610	$map	2116	=item $maps = cf::map::random_maps
		2117
		2118	Returns an arrayref with all map paths of currently instantiated and saved
		2119	random maps. May block.
		2120
		2121	=cut
		2122
		2123	sub random_maps() {
		2124	[
		2125	map {
		2126	utf8::decode $_;
		2127	/\.map$/
		2128	? normalise "?random/$_"
		2129	: ()
		2130	} @{ aio_readdir $RANDOMDIR or [] }
		2131	]
1611	}	2132	}
1612		2133
1613	=item cf::map::unique_maps	2134	=item cf::map::unique_maps
1614		2135
1615	Returns an arrayref of cf::path's of all shared maps that have	2136	Returns an arrayref of paths of all shared maps that have
1616	instantiated unique items. May block.	2137	instantiated unique items. May block.
1617		2138
1618	=cut	2139	=cut
1619		2140
1620	sub unique_maps() {	2141	sub unique_maps() {
1621	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2142	[
1622	or return;	2143	map {
1623
1624	my @paths;
1625
1626	for (@$files) {
1627	utf8::decode $_;	2144	utf8::decode $_;
1628	next if /\.pst$/;	2145	/\.map$/
1629	next unless /^$PATH_SEP/o;	2146	? normalise $_
1630		2147	: ()
1631	push @paths, new cf::path $_;	2148	} @{ aio_readdir $UNIQUEDIR or [] }
1632	}	2149	]
1633
1634	\@paths
1635	}	2150	}
1636		2151
1637	package cf;	2152	package cf;
1638		2153
1639	=back	2154	=back
…		…
1685		2200
1686	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2201	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1687		2202
1688	if ($self->{record_replies}) {	2203	if ($self->{record_replies}) {
1689	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2204	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2205
1690	} else {	2206	} else {
		2207	my $pl = $self->contr;
		2208
		2209	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2210	my $dialog = $pl->{npc_dialog};
		2211	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2212
		2213	} else {
1691	$msg = $npc->name . " says: $msg" if $npc;	2214	$msg = $npc->name . " says: $msg" if $npc;
1692	$self->message ($msg, $flags);	2215	$self->message ($msg, $flags);
		2216	}
1693	}	2217	}
		2218	}
		2219
		2220	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2221
		2222	=cut
		2223
		2224	sub cf::object::send_msg {
		2225	my $pl = shift->contr
		2226	or return;
		2227	$pl->send_msg (@_);
1694	}	2228	}
1695		2229
1696	=item $player_object->may ("access")	2230	=item $player_object->may ("access")
1697		2231
1698	Returns wether the given player is authorized to access resource "access"	2232	Returns wether the given player is authorized to access resource "access"
…		…
1711		2245
1712	=item $player_object->enter_link	2246	=item $player_object->enter_link
1713		2247
1714	Freezes the player and moves him/her to a special map (C<{link}>).	2248	Freezes the player and moves him/her to a special map (C<{link}>).
1715		2249
1716	The player should be reaosnably safe there for short amounts of time. You	2250	The player should be reasonably safe there for short amounts of time. You
1717	I<MUST> call C<leave_link> as soon as possible, though.	2251	I<MUST> call C<leave_link> as soon as possible, though.
1718		2252
		2253	Will never block.
		2254
1719	=item $player_object->leave_link ($map, $x, $y)	2255	=item $player_object->leave_link ($map, $x, $y)
1720		2256
1721	Moves the player out of the specila link map onto the given map. If the	2257	Moves the player out of the special C<{link}> map onto the specified
1722	map is not valid (or omitted), the player will be moved back to the	2258	map. If the map is not valid (or omitted), the player will be moved back
1723	location he/she was before the call to C<enter_link>, or, if that fails,	2259	to the location he/she was before the call to C<enter_link>, or, if that
1724	to the emergency map position.	2260	fails, to the emergency map position.
1725		2261
1726	Might block.	2262	Might block.
1727		2263
1728	=cut	2264	=cut
		2265
		2266	sub link_map {
		2267	unless ($LINK_MAP) {
		2268	$LINK_MAP = cf::map::find "{link}"
		2269	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2270	$LINK_MAP->load;
		2271	}
		2272
		2273	$LINK_MAP
		2274	}
1729		2275
1730	sub cf::object::player::enter_link {	2276	sub cf::object::player::enter_link {
1731	my ($self) = @_;	2277	my ($self) = @_;
1732		2278
1733	$self->deactivate_recursive;	2279	$self->deactivate_recursive;
1734		2280
1735	return if $self->map == $LINK_MAP;	2281	return if UNIVERSAL::isa $self->map, "ext::map_link";
1736		2282
1737	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2283	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738	if $self->map;	2284	if $self->map && $self->map->{path} ne "{link}";
1739		2285
1740	$self->enter_map ($LINK_MAP, 20, 20);	2286	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1741	}	2287	}
1742		2288
1743	sub cf::object::player::leave_link {	2289	sub cf::object::player::leave_link {
1744	my ($self, $map, $x, $y) = @_;	2290	my ($self, $map, $x, $y) = @_;
		2291
		2292	return unless $self->contr->active;
1745		2293
1746	my $link_pos = delete $self->{_link_pos};	2294	my $link_pos = delete $self->{_link_pos};
1747		2295
1748	unless ($map) {	2296	unless ($map) {
1749	# restore original map position	2297	# restore original map position
…		…
1763	# use -1 or undef as default coordinates, not 0, 0	2311	# use -1 or undef as default coordinates, not 0, 0
1764	($x, $y) = ($map->enter_x, $map->enter_y)	2312	($x, $y) = ($map->enter_x, $map->enter_y)
1765	if $x <=0 && $y <= 0;	2313	if $x <=0 && $y <= 0;
1766		2314
1767	$map->load;	2315	$map->load;
1768	$map->load_diag;	2316	$map->load_neighbours;
1769		2317
1770	return unless $self->contr->active;	2318	return unless $self->contr->active;
1771	$self->activate_recursive;	2319	$self->activate_recursive;
		2320
		2321	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1772	$self->enter_map ($map, $x, $y);	2322	$self->enter_map ($map, $x, $y);
1773	}	2323	}
1774		2324
1775	cf::player->attach (	2325	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1776	on_logout => sub {
1777	my ($pl) = @_;
1778		2326
1779	# abort map switching before logout	2327	Moves the player to the given map-path and coordinates by first freezing
1780	if ($pl->ob->{_link_pos}) {	2328	her, loading and preparing them map, calling the provided $check callback
1781	cf::sync_job {	2329	that has to return the map if sucecssful, and then unfreezes the player on
1782	$pl->ob->leave_link	2330	the new (success) or old (failed) map position. In either case, $done will
1783	};	2331	be called at the end of this process.
1784	}
1785	},
1786	on_login => sub {
1787	my ($pl) = @_;
1788		2332
1789	# try to abort aborted map switching on player login :)
1790	# should happen only on crashes
1791	if ($pl->ob->{_link_pos}) {
1792	$pl->ob->enter_link;
1793	(async {
1794	# we need this sleep as the login has a concurrent enter_exit running
1795	# and this sleep increases chances of the player not ending up in scorn
1796	$pl->ob->reply (undef,
1797	"There was an internal problem at your last logout, "
1798	. "the server will try to bring you to your intended destination in a second.",
1799	cf::NDI_RED);
1800	Coro::Timer::sleep 1;
1801	$pl->ob->leave_link;
1802	})->prio (2);
1803	}
1804	},
1805	);
1806
1807	=item $player_object->goto ($path, $x, $y)
1808
1809	=cut	2333	=cut
		2334
		2335	our $GOTOGEN;
1810		2336
1811	sub cf::object::player::goto {	2337	sub cf::object::player::goto {
1812	my ($self, $path, $x, $y) = @_;	2338	my ($self, $path, $x, $y, $check, $done) = @_;
1813		2339
1814	$path = new cf::path $path;	2340	# do generation counting so two concurrent goto's will be executed in-order
		2341	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1815		2342
1816	$self->enter_link;	2343	$self->enter_link;
1817		2344
1818	(async {	2345	(async {
		2346	my $map = eval {
1819	my $map = cf::map::find $path->as_string;	2347	my $map = cf::map::find $path;
		2348
		2349	if ($map) {
1820	$map = $map->customise_for ($self) if $map;	2350	$map = $map->customise_for ($self);
1821		2351	$map = $check->($map) if $check && $map;
1822	# warn "entering ", $map->path, " at ($x, $y)\n"	2352	} else {
1823	# if $map;
1824
1825	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2353	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2354	}
1826		2355
		2356	$map
		2357	};
		2358
		2359	if ($@) {
		2360	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2361	LOG llevError | logBacktrace, Carp::longmess $@;
		2362	}
		2363
		2364	if ($gen == $self->{_goto_generation}) {
		2365	delete $self->{_goto_generation};
1827	$self->leave_link ($map, $x, $y);	2366	$self->leave_link ($map, $x, $y);
		2367	}
		2368
		2369	$done->() if $done;
1828	})->prio (1);	2370	})->prio (1);
1829	}	2371	}
1830		2372
1831	=item $player_object->enter_exit ($exit_object)	2373	=item $player_object->enter_exit ($exit_object)
1832		2374
…		…
1834		2376
1835	sub parse_random_map_params {	2377	sub parse_random_map_params {
1836	my ($spec) = @_;	2378	my ($spec) = @_;
1837		2379
1838	my $rmp = { # defaults	2380	my $rmp = { # defaults
1839	xsize => 10,	2381	xsize => (cf::rndm 15, 40),
1840	ysize => 10,	2382	ysize => (cf::rndm 15, 40),
		2383	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2384	#layout => string,
1841	};	2385	};
1842		2386
1843	for (split /\n/, $spec) {	2387	for (split /\n/, $spec) {
1844	my ($k, $v) = split /\s+/, $_, 2;	2388	my ($k, $v) = split /\s+/, $_, 2;
1845		2389
…		…
1849	$rmp	2393	$rmp
1850	}	2394	}
1851		2395
1852	sub prepare_random_map {	2396	sub prepare_random_map {
1853	my ($exit) = @_;	2397	my ($exit) = @_;
		2398
		2399	my $guard = cf::lock_acquire "exit_prepare:$exit";
1854		2400
1855	# all this does is basically replace the /! path by	2401	# all this does is basically replace the /! path by
1856	# a new random map path (?random/...) with a seed	2402	# a new random map path (?random/...) with a seed
1857	# that depends on the exit object	2403	# that depends on the exit object
1858		2404
1859	my $rmp = parse_random_map_params $exit->msg;	2405	my $rmp = parse_random_map_params $exit->msg;
1860		2406
1861	if ($exit->map) {	2407	if ($exit->map) {
1862	$rmp->{region} = $exit->map->region_name;	2408	$rmp->{region} = $exit->region->name;
1863	$rmp->{origin_map} = $exit->map->path;	2409	$rmp->{origin_map} = $exit->map->path;
1864	$rmp->{origin_x} = $exit->x;	2410	$rmp->{origin_x} = $exit->x;
1865	$rmp->{origin_y} = $exit->y;	2411	$rmp->{origin_y} = $exit->y;
1866	}	2412	}
1867		2413
1868	$rmp->{random_seed} ||= $exit->random_seed;	2414	$rmp->{random_seed} ||= $exit->random_seed;
1869		2415
1870	my $data = cf::to_json $rmp;	2416	my $data = cf::to_json $rmp;
1871	my $md5 = Digest::MD5::md5_hex $data;	2417	my $md5 = Digest::MD5::md5_hex $data;
		2418	my $meta = "$RANDOMDIR/$md5.meta";
1872		2419
1873	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2420	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874	aio_write $fh, 0, (length $data), $data, 0;	2421	aio_write $fh, 0, (length $data), $data, 0;
		2422	undef $fh;
		2423	aio_rename "$meta~", $meta;
1875		2424
1876	$exit->slaying ("?random/$md5");	2425	$exit->slaying ("?random/$md5");
1877	$exit->msg (undef);	2426	$exit->msg (undef);
1878	}	2427	}
1879	}	2428	}
…		…
1881	sub cf::object::player::enter_exit {	2430	sub cf::object::player::enter_exit {
1882	my ($self, $exit) = @_;	2431	my ($self, $exit) = @_;
1883		2432
1884	return unless $self->type == cf::PLAYER;	2433	return unless $self->type == cf::PLAYER;
1885		2434
		2435	if ($exit->slaying eq "/!") {
		2436	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2437	# the problem is that $exit might not survive long enough
		2438	# so it needs to be done right now, right here
		2439	cf::sync_job { prepare_random_map $exit };
		2440	}
		2441
		2442	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2443	my $hp = $exit->stats->hp;
		2444	my $sp = $exit->stats->sp;
		2445
1886	$self->enter_link;	2446	$self->enter_link;
		2447
		2448	# if exit is damned, update players death & WoR home-position
		2449	$self->contr->savebed ($slaying, $hp, $sp)
		2450	if $exit->flag (FLAG_DAMNED);
1887		2451
1888	(async {	2452	(async {
1889	$self->deactivate_recursive; # just to be sure	2453	$self->deactivate_recursive; # just to be sure
1890	unless (eval {	2454	unless (eval {
1891	prepare_random_map $exit	2455	$self->goto ($slaying, $hp, $sp);
1892	if $exit->slaying eq "/!";
1893
1894	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1895	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896		2456
1897	1;	2457	1;
1898	}) {	2458	}) {
1899	$self->message ("Something went wrong deep within the crossfire server. "	2459	$self->message ("Something went wrong deep within the crossfire server. "
1900	. "I'll try to bring you back to the map you were before. "	2460	. "I'll try to bring you back to the map you were before. "
1901	. "Please report this to the dungeon master!",	2461	. "Please report this to the dungeon master!",
1902	cf::NDI_UNIQUE | cf::NDI_RED);	2462	cf::NDI_UNIQUE | cf::NDI_RED);
1903		2463
1904	warn "ERROR in enter_exit: $@";	2464	warn "ERROR in enter_exit: $@";
1905	$self->leave_link;	2465	$self->leave_link;
1906	}	2466	}
1907	})->prio (1);	2467	})->prio (1);
…		…
1920		2480
1921	sub cf::client::send_drawinfo {	2481	sub cf::client::send_drawinfo {
1922	my ($self, $text, $flags) = @_;	2482	my ($self, $text, $flags) = @_;
1923		2483
1924	utf8::encode $text;	2484	utf8::encode $text;
1925	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2485	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1926	}	2486	}
1927		2487
		2488	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2489
		2490	Send a drawinfo or msg packet to the client, formatting the msg for the
		2491	client if neccessary. C<$type> should be a string identifying the type of
		2492	the message, with C<log> being the default. If C<$color> is negative, suppress
		2493	the message unless the client supports the msg packet.
		2494
		2495	=cut
		2496
		2497	sub cf::client::send_msg {
		2498	my ($self, $channel, $msg, $color, @extra) = @_;
		2499
		2500	$msg = $self->pl->expand_cfpod ($msg);
		2501
		2502	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2503
		2504	if (ref $channel) {
		2505	# send meta info to client, if not yet sent
		2506	unless (exists $self->{channel}{$channel->{id}}) {
		2507	$self->{channel}{$channel->{id}} = $channel;
		2508	$self->ext_msg (channel_info => $channel);
		2509	}
		2510
		2511	$channel = $channel->{id};
		2512	}
		2513
		2514	return unless @extra || length $msg;
		2515
		2516	if ($self->can_msg) {
		2517	# default colour, mask it out
		2518	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2519	if $color & cf::NDI_DEF;
		2520
		2521	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2522	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2523	} else {
		2524	if ($color >= 0) {
		2525	# replace some tags by gcfclient-compatible ones
		2526	for ($msg) {
		2527	1 while
		2528	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2529	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2530	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2531	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2532	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2533	}
		2534
		2535	$color &= cf::NDI_COLOR_MASK;
		2536
		2537	utf8::encode $msg;
		2538
		2539	if (0 && $msg =~ /\[/) {
		2540	# COMMAND/INFO
		2541	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2542	} else {
		2543	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2544	$self->send_packet ("drawinfo $color $msg")
		2545	}
		2546	}
		2547	}
		2548	}
		2549
		2550	=item $client->ext_msg ($type, @msg)
		2551
		2552	Sends an ext event to the client.
		2553
		2554	=cut
		2555
		2556	sub cf::client::ext_msg($$@) {
		2557	my ($self, $type, @msg) = @_;
		2558
		2559	my $extcmd = $self->extcmd;
		2560
		2561	if ($extcmd == 2) {
		2562	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2563	} elsif ($extcmd == 1) { # TODO: remove
		2564	push @msg, msgtype => "event_$type";
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2566	}
		2567	}
		2568
		2569	=item $client->ext_reply ($msgid, @msg)
		2570
		2571	Sends an ext reply to the client.
		2572
		2573	=cut
		2574
		2575	sub cf::client::ext_reply($$@) {
		2576	my ($self, $id, @msg) = @_;
		2577
		2578	if ($self->extcmd == 2) {
		2579	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2580	} elsif ($self->ns->extcmd == 1) {
		2581	#TODO: version 1, remove
		2582	unshift @msg, msgtype => "reply", msgid => $id;
		2583	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2584	}
		2585	}
1928		2586
1929	=item $success = $client->query ($flags, "text", \&cb)	2587	=item $success = $client->query ($flags, "text", \&cb)
1930		2588
1931	Queues a query to the client, calling the given callback with	2589	Queues a query to the client, calling the given callback with
1932	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2590	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1933	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2591	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1934		2592
1935	Queries can fail, so check the return code. Or don't, as queries will become	2593	Queries can fail, so check the return code. Or don't, as queries will
1936	reliable at some point in the future.	2594	become reliable at some point in the future.
1937		2595
1938	=cut	2596	=cut
1939		2597
1940	sub cf::client::query {	2598	sub cf::client::query {
1941	my ($self, $flags, $text, $cb) = @_;	2599	my ($self, $flags, $text, $cb) = @_;
…		…
1949	utf8::encode $text;	2607	utf8::encode $text;
1950	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2608	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1951		2609
1952	$self->send_packet ($self->{query_queue}[0][0])	2610	$self->send_packet ($self->{query_queue}[0][0])
1953	if @{ $self->{query_queue} } == 1;	2611	if @{ $self->{query_queue} } == 1;
		2612
		2613	1
1954	}	2614	}
1955		2615
1956	cf::client->attach (	2616	cf::client->attach (
		2617	on_connect => sub {
		2618	my ($ns) = @_;
		2619
		2620	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2621	},
1957	on_reply => sub {	2622	on_reply => sub {
1958	my ($ns, $msg) = @_;	2623	my ($ns, $msg) = @_;
1959		2624
1960	# this weird shuffling is so that direct followup queries	2625	# this weird shuffling is so that direct followup queries
1961	# get handled first	2626	# get handled first
1962	my $queue = delete $ns->{query_queue}	2627	my $queue = delete $ns->{query_queue}
1963	or return; # be conservative, not sure how that can happen, but we saw a crash here	2628	or return; # be conservative, not sure how that can happen, but we saw a crash here
1964		2629
1965	(shift @$queue)->[1]->($msg);	2630	(shift @$queue)->[1]->($msg);
		2631	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1966		2632
1967	push @{ $ns->{query_queue} }, @$queue;	2633	push @{ $ns->{query_queue} }, @$queue;
1968		2634
1969	if (@{ $ns->{query_queue} } == @$queue) {	2635	if (@{ $ns->{query_queue} } == @$queue) {
1970	if (@$queue) {	2636	if (@$queue) {
…		…
1972	} else {	2638	} else {
1973	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2639	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1974	}	2640	}
1975	}	2641	}
1976	},	2642	},
		2643	on_exticmd => sub {
		2644	my ($ns, $buf) = @_;
		2645
		2646	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2647
		2648	if (ref $msg) {
		2649	my ($type, $reply, @payload) =
		2650	"ARRAY" eq ref $msg
		2651	? @$msg
		2652	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2653
		2654	my @reply;
		2655
		2656	if (my $cb = $EXTICMD{$type}) {
		2657	@reply = $cb->($ns, @payload);
		2658	}
		2659
		2660	$ns->ext_reply ($reply, @reply)
		2661	if $reply;
		2662
		2663	} else {
		2664	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2665	}
		2666
		2667	cf::override;
		2668	},
1977	);	2669	);
1978		2670
1979	=item $client->async (\&cb)	2671	=item $client->async (\&cb)
1980		2672
1981	Create a new coroutine, running the specified callback. The coroutine will	2673	Create a new coroutine, running the specified callback. The coroutine will
…		…
2022	our $safe = new Safe "safe";	2714	our $safe = new Safe "safe";
2023	our $safe_hole = new Safe::Hole;	2715	our $safe_hole = new Safe::Hole;
2024		2716
2025	$SIG{FPE} = 'IGNORE';	2717	$SIG{FPE} = 'IGNORE';
2026		2718
2027	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2719	$safe->permit_only (Opcode::opset qw(
		2720	:base_core :base_mem :base_orig :base_math
		2721	grepstart grepwhile mapstart mapwhile
		2722	sort time
		2723	));
2028		2724
2029	# here we export the classes and methods available to script code	2725	# here we export the classes and methods available to script code
2030		2726
2031	=pod	2727	=pod
2032		2728
2033	The following fucntions and emthods are available within a safe environment:	2729	The following functions and methods are available within a safe environment:
2034		2730
2035	cf::object contr pay_amount pay_player map	2731	cf::object
		2732	contr pay_amount pay_player map x y force_find force_add
		2733	insert remove name archname title slaying race
		2734
2036	cf::object::player player	2735	cf::object::player
2037	cf::player peaceful	2736	player
2038	cf::map trigger	2737
		2738	cf::player
		2739	peaceful
		2740
		2741	cf::map
		2742	trigger
2039		2743
2040	=cut	2744	=cut
2041		2745
2042	for (	2746	for (
2043	["cf::object" => qw(contr pay_amount pay_player map)],	2747	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2748	insert remove inv name archname title slaying race)],
2044	["cf::object::player" => qw(player)],	2749	["cf::object::player" => qw(player)],
2045	["cf::player" => qw(peaceful)],	2750	["cf::player" => qw(peaceful)],
2046	["cf::map" => qw(trigger)],	2751	["cf::map" => qw(trigger)],
2047	) {	2752	) {
2048	no strict 'refs';	2753	no strict 'refs';
…		…
2119	=back	2824	=back
2120		2825
2121	=cut	2826	=cut
2122		2827
2123	#############################################################################	2828	#############################################################################
		2829	# the server's init and main functions
2124		2830
2125	=head2 EXTENSION DATABASE SUPPORT	2831	sub load_facedata($) {
		2832	my ($path) = @_;
2126		2833
2127	Crossfire maintains a very simple database for extension use. It can	2834	my $enc = JSON::XS->new->utf8->canonical;
2128	currently store anything that can be serialised using Storable, which
2129	excludes objects.
2130		2835
2131	The parameter C<$family> should best start with the name of the extension	2836	warn "loading facedata from $path\n";
2132	using it, it should be unique.
2133		2837
2134	=over 4	2838	my $facedata;
		2839	0 < aio_load $path, $facedata
		2840	or die "$path: $!";
2135		2841
2136	=item $hashref = cf::db_get $family	2842	$facedata = Coro::Storable::thaw $facedata;
2137		2843
2138	Return a hashref for use by the extension C<$family>, which can be	2844	$facedata->{version} == 2
2139	modified. After modifications, you have to call C<cf::db_dirty> or	2845	or cf::cleanup "$path: version mismatch, cannot proceed.";
2140	C<cf::db_sync>.
2141		2846
2142	=item $value = cf::db_get $family => $key	2847	# patch in the exptable
2143		2848	$facedata->{resource}{"res/exp_table"} = {
2144	Returns a single value from the database	2849	type => FT_RSRC,
2145		2850	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2146	=item cf::db_put $family => $hashref
2147
2148	Stores the given family hashref into the database. Updates are delayed, if
2149	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2150
2151	=item cf::db_put $family => $key => $value
2152
2153	Stores the given C<$value> in the family hash. Updates are delayed, if you
2154	want the data to be synced to disk immediately, use C<cf::db_sync>.
2155
2156	=item cf::db_dirty
2157
2158	Marks the database as dirty, to be updated at a later time.
2159
2160	=item cf::db_sync
2161
2162	Immediately write the database to disk I<if it is dirty>.
2163
2164	=cut
2165
2166	our $DB;
2167
2168	{
2169	my $path = cf::localdir . "/database.pst";
2170
2171	sub db_load() {
2172	$DB = stat $path ? Storable::retrieve $path : { };
2173	}
2174
2175	my $pid;
2176
2177	sub db_save() {
2178	waitpid $pid, 0 if $pid;
2179	if (0 == ($pid = fork)) {
2180	$DB->{_meta}{version} = 1;
2181	Storable::nstore $DB, "$path~";
2182	rename "$path~", $path;
2183	cf::_exit 0 if defined $pid;
2184	}
2185	}
2186
2187	my $dirty;
2188
2189	sub db_sync() {
2190	db_save if $dirty;
2191	undef $dirty;
2192	}
2193
2194	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2195	db_sync;
2196	});	2851	};
		2852	cf::cede_to_tick;
2197		2853
2198	sub db_dirty() {
2199	$dirty = 1;
2200	$idle->start;
2201	}	2854	{
		2855	my $faces = $facedata->{faceinfo};
2202		2856
2203	sub db_get($;$) {	2857	while (my ($face, $info) = each %$faces) {
2204	@_ >= 2	2858	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2205	? $DB->{$_[0]}{$_[1]}	2859	cf::face::set_visibility $idx, $info->{visibility};
2206	: ($DB->{$_[0]} ||= { })	2860	cf::face::set_magicmap $idx, $info->{magicmap};
2207	}	2861	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2862	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2208		2863
2209	sub db_put($$;$) {	2864	cf::cede_to_tick;
2210	if (@_ >= 3) {
2211	$DB->{$_[0]}{$_[1]} = $_[2];
2212	} else {
2213	$DB->{$_[0]} = $_[1];
2214	}
2215	db_dirty;
2216	}
2217
2218	cf::global->attach (
2219	prio => 10000,
2220	on_cleanup => sub {
2221	db_sync;
2222	},	2865	}
2223	);
2224	}
2225		2866
2226	#############################################################################	2867	while (my ($face, $info) = each %$faces) {
2227	# the server's main()	2868	next unless $info->{smooth};
		2869	my $idx = cf::face::find $face
		2870	or next;
		2871	if (my $smooth = cf::face::find $info->{smooth}) {
		2872	cf::face::set_smooth $idx, $smooth;
		2873	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2874	} else {
		2875	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2876	}
		2877
		2878	cf::cede_to_tick;
		2879	}
		2880	}
		2881
		2882	{
		2883	my $anims = $facedata->{animinfo};
		2884
		2885	while (my ($anim, $info) = each %$anims) {
		2886	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2887	cf::cede_to_tick;
		2888	}
		2889
		2890	cf::anim::invalidate_all; # d'oh
		2891	}
		2892
		2893	{
		2894	# TODO: for gcfclient pleasure, we should give resources
		2895	# that gcfclient doesn't grok a >10000 face index.
		2896	my $res = $facedata->{resource};
		2897
		2898	my $soundconf = delete $res->{"res/sound.conf"};
		2899
		2900	while (my ($name, $info) = each %$res) {
		2901	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2902	my $data;
		2903
		2904	if ($info->{type} & 1) {
		2905	# prepend meta info
		2906
		2907	my $meta = $enc->encode ({
		2908	name => $name,
		2909	%{ $info->{meta} || {} },
		2910	});
		2911
		2912	$data = pack "(w/a*)*", $meta, $info->{data};
		2913	} else {
		2914	$data = $info->{data};
		2915	}
		2916
		2917	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2918	cf::face::set_type $idx, $info->{type};
		2919
		2920	cf::cede_to_tick;
		2921	}
		2922
		2923	if ($soundconf) {
		2924	$soundconf = $enc->decode (delete $soundconf->{data});
		2925
		2926	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2927	my $sound = $soundconf->{compat}[$_]
		2928	or next;
		2929
		2930	my $face = cf::face::find "sound/$sound->[1]";
		2931	cf::sound::set $sound->[0] => $face;
		2932	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2933	}
		2934
		2935	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2936	my $face = cf::face::find "sound/$v";
		2937	cf::sound::set $k => $face;
		2938	}
		2939	}
		2940	}
		2941
		2942	1
		2943	}
		2944
		2945	register_exticmd fx_want => sub {
		2946	my ($ns, $want) = @_;
		2947
		2948	while (my ($k, $v) = each %$want) {
		2949	$ns->fx_want ($k, $v);
		2950	}
		2951	};
		2952
		2953	sub reload_regions {
		2954	load_resource_file "$MAPDIR/regions"
		2955	or die "unable to load regions file\n";
		2956
		2957	for (cf::region::list) {
		2958	$_->{match} = qr/$_->{match}/
		2959	if exists $_->{match};
		2960	}
		2961	}
		2962
		2963	sub reload_facedata {
		2964	load_facedata "$DATADIR/facedata"
		2965	or die "unable to load facedata\n";
		2966	}
		2967
		2968	sub reload_archetypes {
		2969	load_resource_file "$DATADIR/archetypes"
		2970	or die "unable to load archetypes\n";
		2971	#d# NEED to laod twice to resolve forward references
		2972	# this really needs to be done in an extra post-pass
		2973	# (which needs to be synchronous, so solve it differently)
		2974	load_resource_file "$DATADIR/archetypes"
		2975	or die "unable to load archetypes\n";
		2976	}
		2977
		2978	sub reload_treasures {
		2979	load_resource_file "$DATADIR/treasures"
		2980	or die "unable to load treasurelists\n";
		2981	}
		2982
		2983	sub reload_resources {
		2984	warn "reloading resource files...\n";
		2985
		2986	reload_regions;
		2987	reload_facedata;
		2988	#reload_archetypes;#d#
		2989	reload_archetypes;
		2990	reload_treasures;
		2991
		2992	warn "finished reloading resource files\n";
		2993	}
		2994
		2995	sub init {
		2996	reload_resources;
		2997	}
2228		2998
2229	sub cfg_load {	2999	sub cfg_load {
2230	open my $fh, "<:utf8", cf::confdir . "/config"	3000	open my $fh, "<:utf8", "$CONFDIR/config"
2231	or return;	3001	or return;
2232		3002
2233	local $/;	3003	local $/;
2234	*CFG = YAML::Syck::Load <$fh>;	3004	*CFG = YAML::Syck::Load <$fh>;
2235		3005
…		…
2249		3019
2250	sub main {	3020	sub main {
2251	# we must not ever block the main coroutine	3021	# we must not ever block the main coroutine
2252	local $Coro::idle = sub {	3022	local $Coro::idle = sub {
2253	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3023	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3024	(async {
2254	async { Event::one_event };	3025	Event::one_event;
		3026	})->prio (Coro::PRIO_MAX);
2255	};	3027	};
2256		3028
2257	cfg_load;	3029	cfg_load;
2258	db_load;	3030	db_init;
2259	load_extensions;	3031	load_extensions;
		3032
		3033	$TICK_WATCHER->start;
2260	Event::loop;	3034	Event::loop;
2261	}	3035	}
2262		3036
2263	#############################################################################	3037	#############################################################################
2264	# initialisation and cleanup	3038	# initialisation and cleanup
2265		3039
2266	# install some emergency cleanup handlers	3040	# install some emergency cleanup handlers
2267	BEGIN {	3041	BEGIN {
2268	for my $signal (qw(INT HUP TERM)) {	3042	for my $signal (qw(INT HUP TERM)) {
2269	Event->signal (	3043	Event->signal (
		3044	reentrant => 0,
2270	data => WF_AUTOCANCEL,	3045	data => WF_AUTOCANCEL,
2271	signal => $signal,	3046	signal => $signal,
		3047	prio => 0,
2272	cb => sub {	3048	cb => sub {
2273	cf::cleanup "SIG$signal";	3049	cf::cleanup "SIG$signal";
2274	},	3050	},
2275	);	3051	);
2276	}	3052	}
2277	}	3053	}
2278		3054
		3055	sub write_runtime {
		3056	my $runtime = "$LOCALDIR/runtime";
		3057
		3058	# first touch the runtime file to show we are still running:
		3059	# the fsync below can take a very very long time.
		3060
		3061	IO::AIO::aio_utime $runtime, undef, undef;
		3062
		3063	my $guard = cf::lock_acquire "write_runtime";
		3064
		3065	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3066	or return;
		3067
		3068	my $value = $cf::RUNTIME + 90 + 10;
		3069	# 10 is the runtime save interval, for a monotonic clock
		3070	# 60 allows for the watchdog to kill the server.
		3071
		3072	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3073	and return;
		3074
		3075	# always fsync - this file is important
		3076	aio_fsync $fh
		3077	and return;
		3078
		3079	# touch it again to show we are up-to-date
		3080	aio_utime $fh, undef, undef;
		3081
		3082	close $fh
		3083	or return;
		3084
		3085	aio_rename "$runtime~", $runtime
		3086	and return;
		3087
		3088	warn "runtime file written.\n";
		3089
		3090	1
		3091	}
		3092
2279	sub emergency_save() {	3093	sub emergency_save() {
2280	my $freeze_guard = cf::freeze_mainloop;	3094	my $freeze_guard = cf::freeze_mainloop;
2281		3095
2282	warn "enter emergency perl save\n";	3096	warn "enter emergency perl save\n";
2283		3097
2284	cf::sync_job {	3098	cf::sync_job {
2285	# use a peculiar iteration method to avoid tripping on perl	3099	# use a peculiar iteration method to avoid tripping on perl
2286	# refcount bugs in for. also avoids problems with players	3100	# refcount bugs in for. also avoids problems with players
2287	# and maps saved/Destroyed asynchronously.	3101	# and maps saved/destroyed asynchronously.
2288	warn "begin emergency player save\n";	3102	warn "begin emergency player save\n";
2289	for my $login (keys %cf::PLAYER) {	3103	for my $login (keys %cf::PLAYER) {
2290	my $pl = $cf::PLAYER{$login} or next;	3104	my $pl = $cf::PLAYER{$login} or next;
2291	$pl->valid or next;	3105	$pl->valid or next;
2292	$pl->save;	3106	$pl->save;
…		…
2298	my $map = $cf::MAP{$path} or next;	3112	my $map = $cf::MAP{$path} or next;
2299	$map->valid or next;	3113	$map->valid or next;
2300	$map->save;	3114	$map->save;
2301	}	3115	}
2302	warn "end emergency map save\n";	3116	warn "end emergency map save\n";
		3117
		3118	warn "begin emergency database checkpoint\n";
		3119	BDB::db_env_txn_checkpoint $DB_ENV;
		3120	warn "end emergency database checkpoint\n";
2303	};	3121	};
2304		3122
2305	warn "leave emergency perl save\n";	3123	warn "leave emergency perl save\n";
2306	}	3124	}
2307		3125
		3126	sub post_cleanup {
		3127	my ($make_core) = @_;
		3128
		3129	warn Carp::longmess "post_cleanup backtrace"
		3130	if $make_core;
		3131	}
		3132
2308	sub reload() {	3133	sub do_reload_perl() {
2309	# can/must only be called in main	3134	# can/must only be called in main
2310	if ($Coro::current != $Coro::main) {	3135	if ($Coro::current != $Coro::main) {
2311	warn "can only reload from main coroutine\n";	3136	warn "can only reload from main coroutine";
2312	return;	3137	return;
2313	}	3138	}
2314		3139
2315	warn "reloading...";	3140	warn "reloading...";
2316		3141
2317	warn "freezing server";	3142	warn "entering sync_job";
2318	my $guard = freeze_mainloop;	3143
		3144	cf::sync_job {
		3145	cf::write_runtime; # external watchdog should not bark
2319	cf::emergency_save;	3146	cf::emergency_save;
		3147	cf::write_runtime; # external watchdog should not bark
2320		3148
2321	warn "sync database to disk";	3149	warn "syncing database to disk";
2322	cf::db_sync;	3150	BDB::db_env_txn_checkpoint $DB_ENV;
2323	IO::AIO::flush;
2324		3151
2325	eval {
2326	# if anything goes wrong in here, we should simply crash as we already saved	3152	# if anything goes wrong in here, we should simply crash as we already saved
2327		3153
2328	warn "cancel all watchers";	3154	warn "cancelling all WF_AUTOCANCEL watchers";
2329	for (Event::all_watchers) {	3155	for (Event::all_watchers) {
2330	$_->cancel if $_->data & WF_AUTOCANCEL;	3156	$_->cancel if $_->data & WF_AUTOCANCEL;
2331	}	3157	}
2332		3158
		3159	warn "flushing outstanding aio requests";
		3160	for (;;) {
		3161	BDB::flush;
		3162	IO::AIO::flush;
		3163	Coro::cede;
		3164	last unless IO::AIO::nreqs || BDB::nreqs;
		3165	warn "iterate...";
		3166	}
		3167
		3168	++$RELOAD;
		3169
2333	warn "cancel all extension coros";	3170	warn "cancelling all extension coros";
2334	$_->cancel for values %EXT_CORO;	3171	$_->cancel for values %EXT_CORO;
2335	%EXT_CORO = ();	3172	%EXT_CORO = ();
2336		3173
2337	warn "remove commands";	3174	warn "removing commands";
2338	%COMMAND = ();	3175	%COMMAND = ();
2339		3176
2340	warn "remove ext commands";	3177	warn "removing ext/exti commands";
2341	%EXTCMD = ();	3178	%EXTCMD = ();
		3179	%EXTICMD = ();
2342		3180
2343	warn "unload/nuke all extensions";	3181	warn "unloading/nuking all extensions";
2344	for my $pkg (@EXTS) {	3182	for my $pkg (@EXTS) {
2345	warn "... unloading $pkg";	3183	warn "... unloading $pkg";
2346		3184
2347	if (my $cb = $pkg->can ("unload")) {	3185	if (my $cb = $pkg->can ("unload")) {
2348	eval {	3186	eval {
…		…
2353		3191
2354	warn "... nuking $pkg";	3192	warn "... nuking $pkg";
2355	Symbol::delete_package $pkg;	3193	Symbol::delete_package $pkg;
2356	}	3194	}
2357		3195
2358	warn "unload all perl modules loaded from $LIBDIR";	3196	warn "unloading all perl modules loaded from $LIBDIR";
2359	while (my ($k, $v) = each %INC) {	3197	while (my ($k, $v) = each %INC) {
2360	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3198	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361		3199
2362	warn "removing <$k>";	3200	warn "... unloading $k";
2363	delete $INC{$k};	3201	delete $INC{$k};
2364		3202
2365	$k =~ s/\.pm$//;	3203	$k =~ s/\.pm$//;
2366	$k =~ s/\//::/g;	3204	$k =~ s/\//::/g;
2367		3205
…		…
2370	}	3208	}
2371		3209
2372	Symbol::delete_package $k;	3210	Symbol::delete_package $k;
2373	}	3211	}
2374		3212
2375	warn "get rid of safe::, as good as possible";	3213	warn "getting rid of safe::, as good as possible";
2376	Symbol::delete_package "safe::$_"	3214	Symbol::delete_package "safe::$_"
2377	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3215	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378		3216
2379	warn "unload cf.pm \"a bit\"";	3217	warn "unloading cf.pm \"a bit\"";
2380	delete $INC{"cf.pm"};	3218	delete $INC{"cf.pm"};
		3219	delete $INC{"cf/pod.pm"};
2381		3220
2382	# don't, removes xs symbols, too,	3221	# don't, removes xs symbols, too,
2383	# and global variables created in xs	3222	# and global variables created in xs
2384	#Symbol::delete_package __PACKAGE__;	3223	#Symbol::delete_package __PACKAGE__;
2385		3224
		3225	warn "unload completed, starting to reload now";
		3226
2386	warn "reloading cf.pm";	3227	warn "reloading cf.pm";
2387	require cf;	3228	require cf;
2388	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3229	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389		3230
2390	warn "load config and database again";	3231	warn "loading config and database again";
2391	cf::cfg_load;	3232	cf::cfg_load;
2392	cf::db_load;
2393		3233
2394	warn "load extensions";	3234	warn "loading extensions";
2395	cf::load_extensions;	3235	cf::load_extensions;
2396		3236
2397	warn "reattach attachments to objects/players";	3237	warn "reattaching attachments to objects/players";
2398	_global_reattach;	3238	_global_reattach; # objects, sockets
2399	warn "reattach attachments to maps";	3239	warn "reattaching attachments to maps";
2400	reattach $_ for values %MAP;	3240	reattach $_ for values %MAP;
2401	};	3241	warn "reattaching attachments to players";
		3242	reattach $_ for values %PLAYER;
2402		3243
2403	if ($@) {	3244	warn "leaving sync_job";
		3245
		3246	1
		3247	} or do {
2404	warn $@;	3248	warn $@;
2405	warn "error while reloading, exiting.";	3249	warn "error while reloading, exiting.";
2406	exit 1;	3250	exit 1;
2407	}	3251	};
2408		3252
2409	warn "reloaded";	3253	warn "reloaded";
2410	};	3254	};
2411		3255
2412	#############################################################################	3256	our $RELOAD_WATCHER; # used only during reload
2413		3257
2414	unless ($LINK_MAP) {	3258	sub reload_perl() {
2415	$LINK_MAP = cf::map::new;	3259	# doing reload synchronously and two reloads happen back-to-back,
		3260	# coro crashes during coro_state_free->destroy here.
2416		3261
2417	$LINK_MAP->width (41);	3262	$RELOAD_WATCHER ||= Event->timer (
2418	$LINK_MAP->height (41);	3263	reentrant => 0,
2419	$LINK_MAP->alloc;
2420	$LINK_MAP->path ("{link}");
2421	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424	# dirty hack because... archetypes are not yet loaded
2425	Event->timer (
2426	after => 10,	3264	after => 0,
		3265	data => WF_AUTOCANCEL,
2427	cb => sub {	3266	cb => sub {
2428	$_[0]->w->cancel;	3267	do_reload_perl;
2429		3268	undef $RELOAD_WATCHER;
2430	# provide some exits "home"
2431	my $exit = cf::object::new "exit";
2432
2433	$exit->slaying ($EMERGENCY_POSITION->[0]);
2434	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437	$LINK_MAP->insert ($exit->clone, 19, 19);
2438	$LINK_MAP->insert ($exit->clone, 19, 20);
2439	$LINK_MAP->insert ($exit->clone, 19, 21);
2440	$LINK_MAP->insert ($exit->clone, 20, 19);
2441	$LINK_MAP->insert ($exit->clone, 20, 21);
2442	$LINK_MAP->insert ($exit->clone, 21, 19);
2443	$LINK_MAP->insert ($exit->clone, 21, 20);
2444	$LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446	$exit->destroy;
2447	});	3269	},
2448		3270	);
2449	$LINK_MAP->{deny_save} = 1;
2450	$LINK_MAP->{deny_reset} = 1;
2451
2452	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453	}	3271	}
2454		3272
2455	register_command "reload" => sub {	3273	register_command "reload" => sub {
2456	my ($who, $arg) = @_;	3274	my ($who, $arg) = @_;
2457		3275
2458	if ($who->flag (FLAG_WIZ)) {	3276	if ($who->flag (FLAG_WIZ)) {
2459	$who->message ("start of reload.");
2460	reload;
2461	$who->message ("end of reload.");	3277	$who->message ("reloading server.");
		3278	async { reload_perl };
2462	}	3279	}
2463	};	3280	};
2464		3281
2465	unshift @INC, $LIBDIR;	3282	unshift @INC, $LIBDIR;
2466		3283
		3284	my $bug_warning = 0;
		3285
		3286	our @WAIT_FOR_TICK;
		3287	our @WAIT_FOR_TICK_BEGIN;
		3288
		3289	sub wait_for_tick {
		3290	return unless $TICK_WATCHER->is_active;
		3291	return if $Coro::current == $Coro::main;
		3292
		3293	my $signal = new Coro::Signal;
		3294	push @WAIT_FOR_TICK, $signal;
		3295	$signal->wait;
		3296	}
		3297
		3298	sub wait_for_tick_begin {
		3299	return unless $TICK_WATCHER->is_active;
		3300	return if $Coro::current == $Coro::main;
		3301
		3302	my $signal = new Coro::Signal;
		3303	push @WAIT_FOR_TICK_BEGIN, $signal;
		3304	$signal->wait;
		3305	}
		3306
		3307	my $min = 1e6;#d#
		3308	my $avg = 10;
2467	$TICK_WATCHER = Event->timer (	3309	$TICK_WATCHER = Event->timer (
2468	reentrant => 0,	3310	reentrant => 0,
		3311	parked => 1,
2469	prio => 0,	3312	prio => 0,
2470	at => $NEXT_TICK || $TICK,	3313	at => $NEXT_TICK || $TICK,
2471	data => WF_AUTOCANCEL,	3314	data => WF_AUTOCANCEL,
2472	cb => sub {	3315	cb => sub {
		3316	if ($Coro::current != $Coro::main) {
		3317	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3318	unless ++$bug_warning > 10;
		3319	return;
		3320	}
		3321
2473	$NOW = Event::time;	3322	$NOW = $tick_start = Event::time;
2474		3323
2475	cf::server_tick; # one server iteration	3324	cf::server_tick; # one server iteration
		3325
		3326	0 && sync_job {#d#
		3327	for(1..10) {
		3328	my $t = Event::time;
		3329	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3330	or die;
		3331
		3332	$map->width (50);
		3333	$map->height (50);
		3334	$map->alloc;
		3335	$map->_load_objects ("/tmp/x.map", 1);
		3336	my $t = Event::time - $t;
		3337
		3338	#next unless $t < 0.0013;#d#
		3339	if ($t < $min) {
		3340	$min = $t;
		3341	}
		3342	$avg = $avg * 0.99 + $t * 0.01;
		3343	}
		3344	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3345	exit 0;
		3346	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3347	};
		3348
2476	$RUNTIME += $TICK;	3349	$RUNTIME += $TICK;
2477	$NEXT_TICK += $TICK;	3350	$NEXT_TICK += $TICK;
2478		3351
2479	$WAIT_FOR_TICK->broadcast;	3352	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2480	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3353	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3354	Coro::async_pool {
		3355	write_runtime
		3356	or warn "ERROR: unable to write runtime file: $!";
		3357	};
		3358	}
		3359
		3360	# my $AFTER = Event::time;
		3361	# warn $AFTER - $NOW;#d#
		3362
		3363	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3364	$sig->send;
		3365	}
		3366	while (my $sig = shift @WAIT_FOR_TICK) {
		3367	$sig->send;
		3368	}
		3369
		3370	$NOW = Event::time;
2481		3371
2482	# if we are delayed by four ticks or more, skip them all	3372	# if we are delayed by four ticks or more, skip them all
2483	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3373	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2484		3374
2485	$TICK_WATCHER->at ($NEXT_TICK);	3375	$TICK_WATCHER->at ($NEXT_TICK);
2486	$TICK_WATCHER->start;	3376	$TICK_WATCHER->start;
		3377
		3378	$LOAD = ($NOW - $tick_start) / $TICK;
		3379	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3380
		3381	_post_tick;
		3382
		3383
2487	},	3384	},
2488	);	3385	);
2489		3386
		3387	{
2490	IO::AIO::max_poll_time $TICK * 0.2;	3388	BDB::max_poll_time $TICK * 0.1;
2491		3389	$BDB_POLL_WATCHER = Event->io (
2492	Event->io (	3390	reentrant => 0,
2493	fd => IO::AIO::poll_fileno,	3391	fd => BDB::poll_fileno,
2494	poll => 'r',	3392	poll => 'r',
2495	prio => 5,	3393	prio => 0,
2496	data => WF_AUTOCANCEL,
2497	cb => \&IO::AIO::poll_cb,
2498	);
2499
2500	Event->timer (
2501	data => WF_AUTOCANCEL,	3394	data => WF_AUTOCANCEL,
2502	after => 0,	3395	cb => \&BDB::poll_cb,
2503	interval => 10,	3396	);
2504	cb => sub {	3397	BDB::min_parallel 8;
2505	(Coro::unblock_sub {	3398
2506	write_runtime	3399	BDB::set_sync_prepare {
2507	or warn "ERROR: unable to write runtime file: $!";	3400	my $status;
		3401	my $current = $Coro::current;
		3402	(
		3403	sub {
		3404	$status = $!;
		3405	$current->ready; undef $current;
		3406	},
		3407	sub {
		3408	Coro::schedule while defined $current;
		3409	$! = $status;
		3410	},
		3411	)
		3412	};
		3413
		3414	unless ($DB_ENV) {
		3415	$DB_ENV = BDB::db_env_create;
		3416
		3417	cf::sync_job {
		3418	eval {
		3419	BDB::db_env_open
		3420	$DB_ENV,
		3421	$BDBDIR,
		3422	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3423	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3424	0666;
		3425
		3426	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3427
		3428	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3429	$DB_ENV->set_lk_detect;
		3430	};
		3431
		3432	cf::cleanup "db_env_open(db): $@" if $@;
2508	})->();	3433	};
2509	},	3434	}
2510	);	3435	}
		3436
		3437	{
		3438	IO::AIO::min_parallel 8;
		3439
		3440	undef $Coro::AIO::WATCHER;
		3441	IO::AIO::max_poll_time $TICK * 0.1;
		3442	$AIO_POLL_WATCHER = Event->io (
		3443	reentrant => 0,
		3444	data => WF_AUTOCANCEL,
		3445	fd => IO::AIO::poll_fileno,
		3446	poll => 'r',
		3447	prio => 6,
		3448	cb => \&IO::AIO::poll_cb,
		3449	);
		3450	}
		3451
		3452	my $_log_backtrace;
		3453
		3454	sub _log_backtrace {
		3455	my ($msg, @addr) = @_;
		3456
		3457	$msg =~ s/\n//;
		3458
		3459	# limit the # of concurrent backtraces
		3460	if ($_log_backtrace < 2) {
		3461	++$_log_backtrace;
		3462	async {
		3463	my @bt = fork_call {
		3464	@addr = map { sprintf "%x", $_ } @addr;
		3465	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3466	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3467	or die "addr2line: $!";
		3468
		3469	my @funcs;
		3470	my @res = <$fh>;
		3471	chomp for @res;
		3472	while (@res) {
		3473	my ($func, $line) = splice @res, 0, 2, ();
		3474	push @funcs, "[$func] $line";
		3475	}
		3476
		3477	@funcs
		3478	};
		3479
		3480	LOG llevInfo, "[ABT] $msg\n";
		3481	LOG llevInfo, "[ABT] $_\n" for @bt;
		3482	--$_log_backtrace;
		3483	};
		3484	} else {
		3485	LOG llevInfo, "[ABT] $msg\n";
		3486	LOG llevInfo, "[ABT] [suppressed]\n";
		3487	}
		3488	}
		3489
		3490	# load additional modules
		3491	use cf::pod;
2511		3492
2512	END { cf::emergency_save }	3493	END { cf::emergency_save }
2513		3494
2514	1	3495	1
2515		3496

Diff Legend

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