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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.168 by root, Sun Jan 14 00:37:14 2007 UTC vs.
Revision 1.357 by root, Tue Sep 4 08:42:58 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 ();
		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;
49	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
50	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51	our $NEXT_TICK;	80	our $NEXT_TICK;
52	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;
53		86
54	our %CFG;	87	our %CFG;
55		88
56	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
57	our $RUNTIME;	90	our $RUNTIME;
58		91
59	our %PLAYER; # all users	92	our (%PLAYER, %PLAYER_LOADING); # all users
60	our %MAP; # all maps	93	our (%MAP, %MAP_LOADING ); # all maps
61	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
62	our $RANDOM_MAPS = cf::localdir . "/random";
63
64	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66		95
67	# used to convert map paths into valid unix filenames by replacing / by ∕	96	# used to convert map paths into valid unix filenames by replacing / by ∕
68	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
69		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 $tick_start; # for load detecting purposes
		102
70	binmode STDOUT;	103	binmode STDOUT;
71	binmode STDERR;	104	binmode STDERR;
72		105
73	# read virtual server time, if available	106	# read virtual server time, if available
74	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
75	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
76	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
77	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
78	}	111	}
79		112
80	mkdir cf::localdir;	113	mkdir $_
81	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir cf::localdir . "/" . cf::tmpdir;
83	mkdir cf::localdir . "/" . cf::uniquedir;
84	mkdir $RANDOM_MAPS;
85		115
86	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
		117
		118	sub cf::map::normalise;
87		119
88	#############################################################################	120	#############################################################################
89		121
90	=head2 GLOBAL VARIABLES	122	=head2 GLOBAL VARIABLES
91		123
…		…
98	=item $cf::RUNTIME	130	=item $cf::RUNTIME
99		131
100	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
101	every server tick.	133	every server tick.
102		134
103	=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
104		138
105	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
106	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.
107		143
108	=item $cf::NOW	144	=item $cf::NOW
109		145
110	The time of the last (current) server tick.	146	The time of the last (current) server tick.
111		147
112	=item $cf::TICK	148	=item $cf::TICK
113		149
114	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.
115		161
116	=item %cf::CFG	162	=item %cf::CFG
117		163
118	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
119	from wherever your confdir points to.	165	from wherever your confdir points to.
120		166
121	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
122		168
123	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
124	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
125	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.
126	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.
127		178
128	=back	179	=back
129		180
130	=cut	181	=cut
131		182
132	BEGIN {	183	BEGIN {
133	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
134	my $msg = join "", @_;	185	my $msg = join "", @_;
135	utf8::encode $msg;
136		186
137	$msg .= "\n"	187	$msg .= "\n"
138	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
139		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
140	LOG llevError, $msg;	193	LOG llevError, $msg;
141	};	194	};
142	}	195	}
143		196
144	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
145	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
147	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
148	@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';
149	@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)
150		204
151	# 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
152	# within the Safe compartment.	206	# within the Safe compartment.
153	for my $pkg (qw(	207	for my $pkg (qw(
154	cf::global cf::attachable	208	cf::global cf::attachable
…		…
162	}	216	}
163		217
164	$Event::DIED = sub {	218	$Event::DIED = sub {
165	warn "error in event callback: @_";	219	warn "error in event callback: @_";
166	};	220	};
		221
		222	#############################################################################
167		223
168	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
169		225
170	=over 4	226	=over 4
171		227
…		…
190	$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;
191	$d	247	$d
192	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
193	}	249	}
194		250
195	use JSON::Syck (); # TODO# replace by JSON::PC once working
196
197	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
198		252
199	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
200		254
201	=cut
202
203	sub from_json($) {
204	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
205	JSON::Syck::Load $_[0]
206	}
207
208	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
209		256
210	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
211		258
212	=cut	259	=cut
213		260
214	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
215	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
216	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
217	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
218		265
219	=item cf::lock_wait $string	266	=item cf::lock_wait $string
220		267
221	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
222		269
…		…
225	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
226	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
227	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
228	returned.	275	returned.
229		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
230	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
232		286
233	=cut	287	=cut
234		288
235	our %LOCK;	289	our %LOCK;
236		290
…		…
256	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
258	}	312	}
259	}	313	}
260		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
		319	}
		320
261	sub freeze_mainloop {	321	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
263		323
264	my $guard = Coro::guard {	324	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	325	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	326	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
270	$guard	328	$guard
		329	}
		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
271	}	385	}
272		386
273	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
274		388
275	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		394
281	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
282		396
283	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
284		398
285	The design of crossfire+ requires that the main coro ($Coro::main) is	399	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	400	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
288		403
289	If it must be done, put the blocking parts into C<sync_job>. This will run	404	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	405	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	406	server will be frozen during this time, so the block should either finish
292	fast or be very important.	407	fast or be very important.
…		…
295		410
296	sub sync_job(&) {	411	sub sync_job(&) {
297	my ($job) = @_;	412	my ($job) = @_;
298		413
299	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
300	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
302		419
303	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
315		432
316	while ($busy) {	433	while ($busy) {
317	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
318	}	435	}
319		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
320	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
321	} else {	445	} else {
322	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
323		447
324	$job->()	448	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
344		468
345	$coro	469	$coro
346	}	470	}
347		471
348	sub write_runtime {	472	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		473
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	474	Executes the given code block with the given arguments in a seperate
352	or return;	475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
353		478
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	479	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		480
358	aio_fsync $fh	481	sub fork_call(&@) {
359	and return;	482	my ($cb, @args) = @_;
360		483
361	close $fh	484	# we seemingly have to make a local copy of the whole thing,
362	or return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (likely this will be rather laborious)
363		487
364	aio_rename "$runtime~", $runtime	488	my @res = Coro::Util::fork_eval {
365	and return;	489	reset_signals;
		490	&$cb
		491	}, @args;
366		492
		493	wantarray ? @res : $res[-1]
		494	}
		495
		496	=item $value = cf::db_get $family => $key
		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
367	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	621	}
369		622
370	=back	623	=back
371		624
372	=cut	625	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
381		634
382	In the following description, CLASS can be any of C<global>, C<object>	635	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	637	Crossfire TRT).
385		638
386	=over 4	639	=over 4
387		640
388	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
389		642
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	756	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	757	our @CB_MAP = ();
505		758
506	my %attachment;	759	my %attachment;
507		760
		761	sub cf::attachable::thawer_merge {
		762	# simply override everything except _meta
		763	local $_[0]{_meta};
		764	%{$_[0]} = %{$_[1]};
		765	}
		766
508	sub _attach_cb($$$$) {	767	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	768	my ($registry, $event, $prio, $cb) = @_;
510		769
511	use sort 'stable';	770	use sort 'stable';
512		771
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
547		806
548	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		811
553	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	813	my $pkg = shift @arg;
555		814
556	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
586	}	845	}
587		846
588	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
589	} else {	848	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	850	}
592		851
593	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
594	}	853	}
595		854
…		…
597	if (ref $_[0]) {	856	if (ref $_[0]) {
598	_object_attach @_;	857	_object_attach @_;
599	} else {	858	} else {
600	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
601	}	860	}
		861	_recalc_want;
602	};	862	};
603		863
604	# all those should be optimised	864	# all those should be optimised
605	sub cf::attachable::detach {	865	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
610	reattach ($obj);	870	reattach ($obj);
611	} else {	871	} else {
612	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
613	}	873	}
		874	_recalc_want;
614	};	875	};
615		876
616	sub cf::attachable::attached {	877	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
618		879
…		…
633	";	894	";
634	die if $@;	895	die if $@;
635	}	896	}
636		897
637	our $override;	898	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		900
640	sub override {	901	sub override {
641	$override = 1;	902	$override = 1;
642	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
643	}	904	}
644		905
645	sub do_invoke {	906	sub do_invoke {
646	my $event = shift;	907	my $event = shift;
647	my $callbacks = shift;	908	my $callbacks = shift;
648		909
649	@invoke_results = ();	910	@INVOKE_RESULTS = ();
650		911
651	local $override;	912	local $override;
652		913
653	for (@$callbacks) {	914	for (@$callbacks) {
654	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
671		932
672	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
673		934
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	936	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		938
678	=back	939	=back
679		940
680	=cut	941	=cut
681		942
682	#############################################################################	943	#############################################################################
683	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
684		956
685	sub reattach {	957	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	959	my ($obj) = @_;
		960
		961	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
688		962
689	my $registry = $obj->registry;	963	my $registry = $obj->registry;
690		964
691	@$registry = ();	965	@$registry = ();
692		966
…		…
731	);	1005	);
732		1006
733	sub object_freezer_save {	1007	sub object_freezer_save {
734	my ($filename, $rdata, $objs) = @_;	1008	my ($filename, $rdata, $objs) = @_;
735		1009
		1010	my $guard = cf::lock_acquire "io";
		1011
736	sync_job {	1012	sync_job {
737	if (length $$rdata) {	1013	if (length $$rdata) {
738	warn sprintf "saving %s (%d,%d)\n",	1014	warn sprintf "saving %s (%d,%d)\n",
739	$filename, length $$rdata, scalar @$objs;	1015	$filename, length $$rdata, scalar @$objs;
740		1016
741	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1017	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
742	chmod SAVE_MODE, $fh;	1018	chmod SAVE_MODE, $fh;
743	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1019	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
744	aio_fsync $fh;	1020	aio_fsync $fh if $cf::USE_FSYNC;
745	close $fh;	1021	close $fh;
746		1022
747	if (@$objs) {	1023	if (@$objs) {
748	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1024	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
749	chmod SAVE_MODE, $fh;	1025	chmod SAVE_MODE, $fh;
750	my $data = Storable::nfreeze { version => 1, objs => $objs };	1026	my $data = Storable::nfreeze { version => 1, objs => $objs };
751	aio_write $fh, 0, (length $data), $data, 0;	1027	aio_write $fh, 0, (length $data), $data, 0;
752	aio_fsync $fh;	1028	aio_fsync $fh if $cf::USE_FSYNC;
753	close $fh;	1029	close $fh;
754	aio_rename "$filename.pst~", "$filename.pst";	1030	aio_rename "$filename.pst~", "$filename.pst";
755	}	1031	}
756	} else {	1032	} else {
757	aio_unlink "$filename.pst";	1033	aio_unlink "$filename.pst";
…		…
763	}	1039	}
764	} else {	1040	} else {
765	aio_unlink $filename;	1041	aio_unlink $filename;
766	aio_unlink "$filename.pst";	1042	aio_unlink "$filename.pst";
767	}	1043	}
768	}	1044	};
		1045
		1046	undef $guard;
769	}	1047	}
770		1048
771	sub object_freezer_as_string {	1049	sub object_freezer_as_string {
772	my ($rdata, $objs) = @_;	1050	my ($rdata, $objs) = @_;
773		1051
…		…
778		1056
779	sub object_thawer_load {	1057	sub object_thawer_load {
780	my ($filename) = @_;	1058	my ($filename) = @_;
781		1059
782	my ($data, $av);	1060	my ($data, $av);
		1061
		1062	my $guard = cf::lock_acquire "io";
783		1063
784	(aio_load $filename, $data) >= 0	1064	(aio_load $filename, $data) >= 0
785	or return;	1065	or return;
786		1066
787	unless (aio_stat "$filename.pst") {	1067	unless (aio_stat "$filename.pst") {
788	(aio_load "$filename.pst", $av) >= 0	1068	(aio_load "$filename.pst", $av) >= 0
789	or return;	1069	or return;
		1070
		1071	undef $guard;
790	$av = eval { (Storable::thaw $av)->{objs} };	1072	$av = eval { (Storable::thaw $av)->{objs} };
791	}	1073	}
792		1074
793	warn sprintf "loading %s (%d)\n",	1075	warn sprintf "loading %s (%d)\n",
794	$filename, length $data, scalar @{$av || []};#d#	1076	$filename, length $data, scalar @{$av || []};
		1077
795	return ($data, $av);	1078	($data, $av)
796	}	1079	}
		1080
		1081	=head2 COMMAND CALLBACKS
		1082
		1083	=over 4
		1084
		1085	=cut
797		1086
798	#############################################################################	1087	#############################################################################
799	# command handling &c	1088	# command handling &c
800		1089
801	=item cf::register_command $name => \&callback($ob,$args);	1090	=item cf::register_command $name => \&callback($ob,$args);
…		…
814	push @{ $COMMAND{$name} }, [$caller, $cb];	1103	push @{ $COMMAND{$name} }, [$caller, $cb];
815	}	1104	}
816		1105
817	=item cf::register_extcmd $name => \&callback($pl,$packet);	1106	=item cf::register_extcmd $name => \&callback($pl,$packet);
818		1107
819	Register a callbackf ro execution when the client sends an extcmd packet.	1108	Register a callback for execution when the client sends an (synchronous)
		1109	extcmd packet. Ext commands will be processed in the order they are
		1110	received by the server, like other user commands. The first argument is
		1111	the logged-in player. Ext commands can only be processed after a player
		1112	has logged in successfully.
820		1113
821	If the callback returns something, it is sent back as if reply was being	1114	If the callback returns something, it is sent back as if reply was being
822	called.	1115	called.
823		1116
		1117	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1118
		1119	Register a callback for execution when the client sends an (asynchronous)
		1120	exticmd packet. Exti commands are processed by the server as soon as they
		1121	are received, i.e. out of order w.r.t. other commands. The first argument
		1122	is a client socket. Exti commands can be received anytime, even before
		1123	log-in.
		1124
		1125	If the callback returns something, it is sent back as if reply was being
		1126	called.
		1127
824	=cut	1128	=cut
825		1129
826	sub register_extcmd {	1130	sub register_extcmd {
827	my ($name, $cb) = @_;	1131	my ($name, $cb) = @_;
828		1132
829	$EXTCMD{$name} = $cb;	1133	$EXTCMD{$name} = $cb;
		1134	}
		1135
		1136	sub register_exticmd {
		1137	my ($name, $cb) = @_;
		1138
		1139	$EXTICMD{$name} = $cb;
830	}	1140	}
831		1141
832	cf::player->attach (	1142	cf::player->attach (
833	on_command => sub {	1143	on_command => sub {
834	my ($pl, $name, $params) = @_;	1144	my ($pl, $name, $params) = @_;
…		…
843	cf::override;	1153	cf::override;
844	},	1154	},
845	on_extcmd => sub {	1155	on_extcmd => sub {
846	my ($pl, $buf) = @_;	1156	my ($pl, $buf) = @_;
847		1157
848	my $msg = eval { from_json $buf };	1158	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
849		1159
850	if (ref $msg) {	1160	if (ref $msg) {
		1161	my ($type, $reply, @payload) =
		1162	"ARRAY" eq ref $msg
		1163	? @$msg
		1164	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1165
		1166	my @reply;
		1167
851	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1168	if (my $cb = $EXTCMD{$type}) {
852	if (my %reply = $cb->($pl, $msg)) {	1169	@reply = $cb->($pl, @payload);
853	$pl->ext_reply ($msg->{msgid}, %reply);
854	}
855	}	1170	}
		1171
		1172	$pl->ext_reply ($reply, @reply)
		1173	if $reply;
		1174
856	} else {	1175	} else {
857	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1176	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
858	}	1177	}
859		1178
860	cf::override;	1179	cf::override;
861	},	1180	},
862	);	1181	);
863		1182
864	sub load_extension {
865	my ($path) = @_;
866
867	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
868	my $base = $1;
869	my $pkg = $1;
870	$pkg =~ s/[^[:word:]]/_/g;
871	$pkg = "ext::$pkg";
872
873	warn "... loading '$path' into '$pkg'\n";
874
875	open my $fh, "<:utf8", $path
876	or die "$path: $!";
877
878	my $source =
879	"package $pkg; use strict; use utf8;\n"
880	. "#line 1 \"$path\"\n{\n"
881	. (do { local $/; <$fh> })
882	. "\n};\n1";
883
884	unless (eval $source) {
885	my $msg = $@ ? "$path: $@\n"
886	: "extension disabled.\n";
887	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
888	warn $@;
889	warn "mandatory extension failed to load, exiting.\n";
890	exit 1;
891	}
892	die $@;
893	}
894
895	push @EXTS, $pkg;
896	}
897
898	sub load_extensions {	1183	sub load_extensions {
		1184	cf::sync_job {
		1185	my %todo;
		1186
899	for my $ext (<$LIBDIR/*.ext>) {	1187	for my $path (<$LIBDIR/*.ext>) {
900	next unless -r $ext;	1188	next unless -r $path;
901	eval {	1189
902	load_extension $ext;	1190	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1191	my $base = $1;
		1192	my $pkg = $1;
		1193	$pkg =~ s/[^[:word:]]/_/g;
		1194	$pkg = "ext::$pkg";
		1195
		1196	open my $fh, "<:utf8", $path
		1197	or die "$path: $!";
		1198
		1199	my $source = do { local $/; <$fh> };
		1200
		1201	my %ext = (
		1202	path => $path,
		1203	base => $base,
		1204	pkg => $pkg,
		1205	);
		1206
		1207	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1208	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1209
		1210	$ext{source} =
		1211	"package $pkg; use strict; use utf8;\n"
		1212	. "#line 1 \"$path\"\n{\n"
		1213	. $source
		1214	. "\n};\n1";
		1215
		1216	$todo{$base} = \%ext;
		1217	}
		1218
		1219	my %done;
		1220	while (%todo) {
		1221	my $progress;
		1222
		1223	while (my ($k, $v) = each %todo) {
		1224	for (split /,\s*/, $v->{meta}{depends}) {
		1225	goto skip
		1226	unless exists $done{$_};
		1227	}
		1228
		1229	warn "... loading '$k' into '$v->{pkg}'\n";
		1230
		1231	unless (eval $v->{source}) {
		1232	my $msg = $@ ? "$v->{path}: $@\n"
		1233	: "$v->{base}: extension inactive.\n";
		1234
		1235	if (exists $v->{meta}{mandatory}) {
		1236	warn $msg;
		1237	warn "mandatory extension failed to load, exiting.\n";
		1238	exit 1;
		1239	}
		1240
		1241	warn $msg;
		1242	}
		1243
		1244	$done{$k} = delete $todo{$k};
		1245	push @EXTS, $v->{pkg};
		1246	$progress = 1;
903	1	1247	}
904	} or warn "$ext not loaded: $@";	1248
		1249	skip:
		1250	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1251	unless $progress;
		1252	}
905	}	1253	};
906	}	1254	}
907		1255
908	#############################################################################	1256	#############################################################################
909		1257
		1258	=back
		1259
910	=head2 CORE EXTENSIONS	1260	=head2 CORE EXTENSIONS
911		1261
912	Functions and methods that extend core crossfire objects.	1262	Functions and methods that extend core crossfire objects.
913		1263
914	=cut	1264	=cut
…		…
926	Returns the given player object, loading it if necessary (might block).	1276	Returns the given player object, loading it if necessary (might block).
927		1277
928	=cut	1278	=cut
929		1279
930	sub playerdir($) {	1280	sub playerdir($) {
931	cf::localdir	1281	"$PLAYERDIR/"
932	. "/"
933	. cf::playerdir
934	. "/"
935	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1282	. (ref $_[0] ? $_[0]->ob->name : $_[0])
936	}	1283	}
937		1284
938	sub path($) {	1285	sub path($) {
939	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1286	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
940		1287
941	(playerdir $login) . "/$login.pl"	1288	(playerdir $login) . "/playerdata"
942	}	1289	}
943		1290
944	sub find_active($) {	1291	sub find_active($) {
945	$cf::PLAYER{$_[0]}	1292	$cf::PLAYER{$_[0]}
946	and $cf::PLAYER{$_[0]}->active	1293	and $cf::PLAYER{$_[0]}->active
…		…
949		1296
950	sub exists($) {	1297	sub exists($) {
951	my ($login) = @_;	1298	my ($login) = @_;
952		1299
953	$cf::PLAYER{$login}	1300	$cf::PLAYER{$login}
954	or cf::sync_job { !aio_stat $login }	1301	or cf::sync_job { !aio_stat path $login }
955	}	1302	}
956		1303
957	sub find($) {	1304	sub find($) {
958	return $cf::PLAYER{$_[0]} || do {	1305	return $cf::PLAYER{$_[0]} || do {
959	my $login = $_[0];	1306	my $login = $_[0];
960		1307
961	my $guard = cf::lock_acquire "user_find:$login";	1308	my $guard = cf::lock_acquire "user_find:$login";
962		1309
963	$cf::PLAYER{$_[0]} || do {	1310	$cf::PLAYER{$_[0]} || do {
964	my $pl = load_pl path $login	1311	# rename old playerfiles to new ones
		1312	#TODO: remove when no longer required
		1313	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1314	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1315	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1316	aio_unlink +(playerdir $login) . "/$login.pl";
		1317
		1318	my $f = new_from_file cf::object::thawer path $login
965	or return;	1319	or return;
		1320
		1321	$f->next;
		1322	my $pl = cf::player::load_pl $f
		1323	or return;
		1324	local $cf::PLAYER_LOADING{$login} = $pl;
		1325	$f->resolve_delayed_derefs;
966	$cf::PLAYER{$login} = $pl	1326	$cf::PLAYER{$login} = $pl
967	}	1327	}
968	}	1328	}
969	}	1329	}
970		1330
…		…
980		1340
981	aio_mkdir playerdir $pl, 0770;	1341	aio_mkdir playerdir $pl, 0770;
982	$pl->{last_save} = $cf::RUNTIME;	1342	$pl->{last_save} = $cf::RUNTIME;
983		1343
984	$pl->save_pl ($path);	1344	$pl->save_pl ($path);
985	Coro::cede;	1345	cf::cede_to_tick;
986	}	1346	}
987		1347
988	sub new($) {	1348	sub new($) {
989	my ($login) = @_;	1349	my ($login) = @_;
990		1350
…		…
996	$cf::PLAYER{$login} = $self;	1356	$cf::PLAYER{$login} = $self;
997		1357
998	$self	1358	$self
999	}	1359	}
1000		1360
		1361	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1362
		1363	=cut
		1364
		1365	sub send_msg {
		1366	my $ns = shift->ns
		1367	or return;
		1368	$ns->send_msg (@_);
		1369	}
		1370
1001	=item $pl->quit_character	1371	=item $pl->quit_character
1002		1372
1003	Nukes the player without looking back. If logged in, the connection will	1373	Nukes the player without looking back. If logged in, the connection will
1004	be destroyed. May block for a long time.	1374	be destroyed. May block for a long time.
1005		1375
1006	=cut	1376	=cut
1007		1377
1008	sub quit_character {	1378	sub quit_character {
1009	my ($pl) = @_;	1379	my ($pl) = @_;
		1380
		1381	my $name = $pl->ob->name;
1010		1382
1011	$pl->{deny_save} = 1;	1383	$pl->{deny_save} = 1;
1012	$pl->password ("*"); # this should lock out the player until we nuked the dir	1384	$pl->password ("*"); # this should lock out the player until we nuked the dir
1013		1385
1014	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1386	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1019	my $path = playerdir $pl;	1391	my $path = playerdir $pl;
1020	my $temp = "$path~$cf::RUNTIME~deleting~";	1392	my $temp = "$path~$cf::RUNTIME~deleting~";
1021	aio_rename $path, $temp;	1393	aio_rename $path, $temp;
1022	delete $cf::PLAYER{$pl->ob->name};	1394	delete $cf::PLAYER{$pl->ob->name};
1023	$pl->destroy;	1395	$pl->destroy;
		1396
		1397	my $prefix = qr<^~\Q$name\E/>;
		1398
		1399	# nuke player maps
		1400	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1401
1024	IO::AIO::aio_rmtree $temp;	1402	IO::AIO::aio_rmtree $temp;
		1403	}
		1404
		1405	=item $pl->kick
		1406
		1407	Kicks a player out of the game. This destroys the connection.
		1408
		1409	=cut
		1410
		1411	sub kick {
		1412	my ($pl, $kicker) = @_;
		1413
		1414	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1415	$pl->killer ("kicked");
		1416	$pl->ns->destroy;
1025	}	1417	}
1026		1418
1027	=item cf::player::list_logins	1419	=item cf::player::list_logins
1028		1420
1029	Returns am arrayref of all valid playernames in the system, can take a	1421	Returns am arrayref of all valid playernames in the system, can take a
1030	while and may block, so not sync_job-capable, ever.	1422	while and may block, so not sync_job-capable, ever.
1031		1423
1032	=cut	1424	=cut
1033		1425
1034	sub list_logins {	1426	sub list_logins {
1035	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1427	my $dirs = aio_readdir $PLAYERDIR
1036	or return [];	1428	or return [];
1037		1429
1038	my @logins;	1430	my @logins;
1039		1431
1040	for my $login (@$dirs) {	1432	for my $login (@$dirs) {
		1433	my $path = path $login;
		1434
		1435	# a .pst is a dead give-away for a valid player
		1436	unless (-e "$path.pst") {
1041	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1437	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1042	aio_read $fh, 0, 512, my $buf, 0 or next;	1438	aio_read $fh, 0, 512, my $buf, 0 or next;
1043	$buf !~ /^password -------------$/m or next; # official not-valid tag	1439	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1440	}
1044		1441
1045	utf8::decode $login;	1442	utf8::decode $login;
1046	push @logins, $login;	1443	push @logins, $login;
1047	}	1444	}
1048		1445
…		…
1056		1453
1057	=cut	1454	=cut
1058		1455
1059	sub maps($) {	1456	sub maps($) {
1060	my ($pl) = @_;	1457	my ($pl) = @_;
		1458
		1459	$pl = ref $pl ? $pl->ob->name : $pl;
1061		1460
1062	my $files = aio_readdir playerdir $pl	1461	my $files = aio_readdir playerdir $pl
1063	or return;	1462	or return;
1064		1463
1065	my @paths;	1464	my @paths;
…		…
1067	for (@$files) {	1466	for (@$files) {
1068	utf8::decode $_;	1467	utf8::decode $_;
1069	next if /\.(?:pl|pst)$/;	1468	next if /\.(?:pl|pst)$/;
1070	next unless /^$PATH_SEP/o;	1469	next unless /^$PATH_SEP/o;
1071		1470
1072	s/\.map$//;	1471	push @paths, cf::map::normalise "~$pl/$_";
1073	push @paths, "~" . $pl->ob->name . "/" . $_;
1074	}	1472	}
1075		1473
1076	\@paths	1474	\@paths
1077	}	1475	}
1078		1476
		1477	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1478
		1479	Expand crossfire pod fragments into protocol xml.
		1480
		1481	=cut
		1482
		1483	sub expand_cfpod {
		1484	((my $self), (local $_)) = @_;
		1485
		1486	# escape & and <
		1487	s/&/&amp;/g;
		1488	s/(?<![BIUGHT])</&lt;/g;
		1489
		1490	# this is buggy, it needs to properly take care of nested <'s
		1491
		1492	1 while
		1493	# replace B<>, I<>, U<> etc.
		1494	s/B<([^\>]*)>/<b>$1<\/b>/
		1495	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1496	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1497	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1498	# replace G<male|female> tags
		1499	|| s{G<([^>|]*)\|([^>]*)>}{
		1500	$self->gender ? $2 : $1
		1501	}ge
		1502	# replace H<hint text>
		1503	|| s{H<([^\>]*)>}
		1504	{
		1505	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1506	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1507	"")
		1508	[$self->{hintmode}]
		1509	}ge;
		1510
		1511	# create single paragraphs (very hackish)
		1512	s/(?<=\S)\n(?=\w)/ /g;
		1513
		1514	# compress some whitespace
		1515	s/\s+\n/\n/g; # ws line-ends
		1516	s/\n\n+/\n/g; # double lines
		1517	s/^\n+//; # beginning lines
		1518	s/\n+$//; # ending lines
		1519
		1520	$_
		1521	}
		1522
		1523	sub hintmode {
		1524	$_[0]{hintmode} = $_[1] if @_ > 1;
		1525	$_[0]{hintmode}
		1526	}
		1527
1079	=item $player->ext_reply ($msgid, $msgtype, %msg)	1528	=item $player->ext_reply ($msgid, @msg)
1080		1529
1081	Sends an ext reply to the player.	1530	Sends an ext reply to the player.
1082		1531
1083	=cut	1532	=cut
1084		1533
1085	sub ext_reply($$$%) {	1534	sub ext_reply($$@) {
1086	my ($self, $id, %msg) = @_;	1535	my ($self, $id, @msg) = @_;
1087		1536
1088	$msg{msgid} = $id;	1537	$self->ns->ext_reply ($id, @msg)
1089
1090	$self->send ("ext " . cf::to_json \%msg);
1091	}	1538	}
1092		1539
1093	package cf;	1540	=item $player->ext_msg ($type, @msg)
		1541
		1542	Sends an ext event to the client.
		1543
		1544	=cut
		1545
		1546	sub ext_msg($$@) {
		1547	my ($self, $type, @msg) = @_;
		1548
		1549	$self->ns->ext_msg ($type, @msg);
		1550	}
		1551
		1552	=head3 cf::region
		1553
		1554	=over 4
		1555
		1556	=cut
		1557
		1558	package cf::region;
		1559
		1560	=item cf::region::find_by_path $path
		1561
		1562	Tries to decuce the likely region for a map knowing only its path.
		1563
		1564	=cut
		1565
		1566	sub find_by_path($) {
		1567	my ($path) = @_;
		1568
		1569	my ($match, $specificity);
		1570
		1571	for my $region (list) {
		1572	if ($region->{match} && $path =~ $region->{match}) {
		1573	($match, $specificity) = ($region, $region->specificity)
		1574	if $region->specificity > $specificity;
		1575	}
		1576	}
		1577
		1578	$match
		1579	}
1094		1580
1095	=back	1581	=back
1096
1097		1582
1098	=head3 cf::map	1583	=head3 cf::map
1099		1584
1100	=over 4	1585	=over 4
1101		1586
…		…
1105		1590
1106	use Fcntl;	1591	use Fcntl;
1107	use Coro::AIO;	1592	use Coro::AIO;
1108		1593
1109	use overload	1594	use overload
1110	'""' => \&as_string;	1595	'""' => \&as_string,
		1596	fallback => 1;
1111		1597
1112	our $MAX_RESET = 3600;	1598	our $MAX_RESET = 3600;
1113	our $DEFAULT_RESET = 3000;	1599	our $DEFAULT_RESET = 3000;
1114		1600
1115	sub generate_random_map {	1601	sub generate_random_map {
1116	my ($self, $rmp) = @_;	1602	my ($self, $rmp) = @_;
1117
1118	# mit "rum" bekleckern, nicht	1603	# mit "rum" bekleckern, nicht
1119	$self->_create_random_map (	1604	$self->_create_random_map (
1120	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1605	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1121	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1606	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1122	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1607	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1129	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1614	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1130	(cf::region::find $rmp->{region}), $rmp->{custom}	1615	(cf::region::find $rmp->{region}), $rmp->{custom}
1131	)	1616	)
1132	}	1617	}
1133		1618
		1619	=item cf::map->register ($regex, $prio)
		1620
		1621	Register a handler for the map path matching the given regex at the
		1622	givne priority (higher is better, built-in handlers have priority 0, the
		1623	default).
		1624
		1625	=cut
		1626
1134	sub register {	1627	sub register {
1135	my (undef, $regex) = @_;	1628	my (undef, $regex, $prio) = @_;
1136	my $pkg = caller;	1629	my $pkg = caller;
1137		1630
1138	no strict;	1631	no strict;
1139	push @{"$pkg\::ISA"}, __PACKAGE__;	1632	push @{"$pkg\::ISA"}, __PACKAGE__;
1140		1633
1141	$EXT_MAP{$pkg} = qr<$regex>;	1634	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1142	}	1635	}
1143		1636
1144	# also paths starting with '/'	1637	# also paths starting with '/'
1145	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1638	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1639
		1640	sub thawer_merge {
		1641	my ($self, $merge) = @_;
		1642
		1643	# we have to keep some variables in memory intact
		1644	local $self->{path};
		1645	local $self->{load_path};
		1646
		1647	$self->SUPER::thawer_merge ($merge);
		1648	}
1146		1649
1147	sub normalise {	1650	sub normalise {
1148	my ($path, $base) = @_;	1651	my ($path, $base) = @_;
		1652
		1653	$path = "$path"; # make sure its a string
		1654
		1655	$path =~ s/\.map$//;
1149		1656
1150	# map plan:	1657	# map plan:
1151	#	1658	#
1152	# /! non-realised random map exit (special hack!)	1659	# /! non-realised random map exit (special hack!)
1153	# {... are special paths that are not being touched	1660	# {... are special paths that are not being touched
…		…
1181		1688
1182	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1689	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1183		1690
1184	$path = normalise $path, $base;	1691	$path = normalise $path, $base;
1185		1692
1186	for my $pkg (keys %EXT_MAP) {	1693	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1187	if ($path =~ $EXT_MAP{$pkg}) {	1694	if ($path =~ $EXT_MAP{$pkg}[1]) {
1188	my $self = bless cf::map::new, $pkg;	1695	my $self = bless cf::map::new, $pkg;
1189	$self->{path} = $path; $self->path ($path);	1696	$self->{path} = $path; $self->path ($path);
1190	$self->init; # pass $1 etc.	1697	$self->init; # pass $1 etc.
1191	return $self;	1698	return $self;
1192	}	1699	}
1193	}	1700	}
1194		1701
1195	Carp::carp "unable to resolve path '$path'.";	1702	Carp::cluck "unable to resolve path '$path' (base '$base').";
1196	()	1703	()
1197	}	1704	}
1198		1705
1199	sub init {	1706	sub init {
1200	my ($self) = @_;	1707	my ($self) = @_;
…		…
1215		1722
1216	# the original (read-only) location	1723	# the original (read-only) location
1217	sub load_path {	1724	sub load_path {
1218	my ($self) = @_;	1725	my ($self) = @_;
1219		1726
1220	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1727	"$MAPDIR/$self->{path}.map"
1221	}	1728	}
1222		1729
1223	# the temporary/swap location	1730	# the temporary/swap location
1224	sub save_path {	1731	sub save_path {
1225	my ($self) = @_;	1732	my ($self) = @_;
1226		1733
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1734	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1735	"$TMPDIR/$path.map"
1229	}	1736	}
1230		1737
1231	# the unique path, undef == no special unique path	1738	# the unique path, undef == no special unique path
1232	sub uniq_path {	1739	sub uniq_path {
1233	my ($self) = @_;	1740	my ($self) = @_;
1234		1741
1235	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1742	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1236	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1743	"$UNIQUEDIR/$path"
1237	}	1744	}
1238		1745
1239	# and all this just because we cannot iterate over	1746	# and all this just because we cannot iterate over
1240	# all maps in C++...	1747	# all maps in C++...
1241	sub change_all_map_light {	1748	sub change_all_map_light {
…		…
1243		1750
1244	$_->change_map_light ($change)	1751	$_->change_map_light ($change)
1245	for grep $_->outdoor, values %cf::MAP;	1752	for grep $_->outdoor, values %cf::MAP;
1246	}	1753	}
1247		1754
		1755	sub decay_objects {
		1756	my ($self) = @_;
		1757
		1758	return if $self->{deny_reset};
		1759
		1760	$self->do_decay_objects;
		1761	}
		1762
1248	sub unlink_save {	1763	sub unlink_save {
1249	my ($self) = @_;	1764	my ($self) = @_;
1250		1765
1251	utf8::encode (my $save = $self->save_path);	1766	utf8::encode (my $save = $self->save_path);
1252	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1767	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1253	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1768	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1254	}	1769	}
1255		1770
1256	sub load_header_from($) {	1771	sub load_header_from($) {
1257	my ($self, $path) = @_;	1772	my ($self, $path) = @_;
1258		1773
1259	utf8::encode $path;	1774	utf8::encode $path;
1260	aio_open $path, O_RDONLY, 0	1775	my $f = new_from_file cf::object::thawer $path
1261	or return;	1776	or return;
1262		1777
1263	$self->_load_header ($path)	1778	$self->_load_header ($f)
1264	or return;	1779	or return;
1265		1780
		1781	local $MAP_LOADING{$self->{path}} = $self;
		1782	$f->resolve_delayed_derefs;
		1783
1266	$self->{load_path} = $path;	1784	$self->{load_path} = $path;
1267		1785
1268	1	1786	1
1269	}	1787	}
1270		1788
1271	sub load_orig {	1789	sub load_header_orig {
1272	my ($self) = @_;	1790	my ($self) = @_;
1273		1791
1274	$self->load_header_from ($self->load_path)	1792	$self->load_header_from ($self->load_path)
1275	}	1793	}
1276		1794
1277	sub load_temp {	1795	sub load_header_temp {
1278	my ($self) = @_;	1796	my ($self) = @_;
1279		1797
1280	$self->load_header_from ($self->save_path)	1798	$self->load_header_from ($self->save_path)
		1799	}
		1800
		1801	sub prepare_temp {
		1802	my ($self) = @_;
		1803
		1804	$self->last_access ((delete $self->{last_access})
		1805	|| $cf::RUNTIME); #d#
		1806	# safety
		1807	$self->{instantiate_time} = $cf::RUNTIME
		1808	if $self->{instantiate_time} > $cf::RUNTIME;
		1809	}
		1810
		1811	sub prepare_orig {
		1812	my ($self) = @_;
		1813
		1814	$self->{load_original} = 1;
		1815	$self->{instantiate_time} = $cf::RUNTIME;
		1816	$self->last_access ($cf::RUNTIME);
		1817	$self->instantiate;
1281	}	1818	}
1282		1819
1283	sub load_header {	1820	sub load_header {
1284	my ($self) = @_;	1821	my ($self) = @_;
1285		1822
1286	if ($self->load_temp) {	1823	if ($self->load_header_temp) {
1287	$self->last_access ((delete $self->{last_access})	1824	$self->prepare_temp;
1288	|| $cf::RUNTIME); #d#
1289	# safety
1290	$self->{instantiate_time} = $cf::RUNTIME
1291	if $self->{instantiate_time} > $cf::RUNTIME;
1292	} else {	1825	} else {
1293	$self->load_orig	1826	$self->load_header_orig
1294	or return;	1827	or return;
1295		1828	$self->prepare_orig;
1296	$self->{load_original} = 1;
1297	$self->{instantiate_time} = $cf::RUNTIME;
1298	$self->last_access ($cf::RUNTIME);
1299	$self->instantiate;
1300	}	1829	}
		1830
		1831	$self->{deny_reset} = 1
		1832	if $self->no_reset;
		1833
		1834	$self->default_region (cf::region::find_by_path $self->{path})
		1835	unless $self->default_region;
1301		1836
1302	1	1837	1
1303	}	1838	}
1304		1839
1305	sub find;	1840	sub find;
…		…
1318	$map->{last_save} = $cf::RUNTIME;	1853	$map->{last_save} = $cf::RUNTIME;
1319		1854
1320	$map->load_header	1855	$map->load_header
1321	or return;	1856	or return;
1322		1857
1323	if ($map->should_reset) {	1858	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1859	# doing this can freeze the server in a sync job, obviously
		1860	#$cf::WAIT_FOR_TICK->wait;
1324	$map->reset;	1861	$map->reset;
1325	undef $guard;	1862	undef $guard;
1326	$map = find $path	1863	return find $path;
1327	or return;
1328	}	1864	}
1329		1865
1330	$cf::MAP{$path} = $map	1866	$cf::MAP{$path} = $map
1331	}	1867	}
1332	}	1868	}
		1869
		1870	sub pre_load { }
		1871	sub post_load { }
1333		1872
1334	sub load {	1873	sub load {
1335	my ($self) = @_;	1874	my ($self) = @_;
1336		1875
		1876	local $self->{deny_reset} = 1; # loading can take a long time
		1877
1337	my $path = $self->{path};	1878	my $path = $self->{path};
		1879
		1880	{
1338	my $guard = cf::lock_acquire "map_load:$path";	1881	my $guard = cf::lock_acquire "map_data:$path";
1339		1882
		1883	return unless $self->valid;
1340	return if $self->in_memory != cf::MAP_SWAPPED;	1884	return if $self->in_memory != cf::MAP_SWAPPED;
1341		1885
1342	$self->in_memory (cf::MAP_LOADING);	1886	$self->in_memory (cf::MAP_LOADING);
1343		1887
1344	$self->alloc;	1888	$self->alloc;
1345	$self->_load_objects ($self->{load_path}, 1)	1889
		1890	$self->pre_load;
		1891	cf::cede_to_tick;
		1892
		1893	my $f = new_from_file cf::object::thawer $self->{load_path};
		1894	$f->skip_block;
		1895	$self->_load_objects ($f)
1346	or return;	1896	or return;
1347		1897
1348	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1898	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1349	if delete $self->{load_original};	1899	if delete $self->{load_original};
1350		1900
1351	if (my $uniq = $self->uniq_path) {	1901	if (my $uniq = $self->uniq_path) {
1352	utf8::encode $uniq;	1902	utf8::encode $uniq;
1353	if (aio_open $uniq, O_RDONLY, 0) {	1903	unless (aio_stat $uniq) {
		1904	if (my $f = new_from_file cf::object::thawer $uniq) {
1354	$self->clear_unique_items;	1905	$self->clear_unique_items;
1355	$self->_load_objects ($uniq, 0);	1906	$self->_load_objects ($f);
		1907	$f->resolve_delayed_derefs;
		1908	}
1356	}	1909	}
1357	}	1910	}
1358		1911
1359	Coro::cede;	1912	$f->resolve_delayed_derefs;
1360		1913
		1914	cf::cede_to_tick;
1361	# now do the right thing for maps	1915	# now do the right thing for maps
1362	$self->link_multipart_objects;	1916	$self->link_multipart_objects;
1363
1364	unless ($self->{deny_activate}) {
1365	$self->decay_objects;
1366	$self->fix_auto_apply;
1367	$self->update_buttons;
1368	Coro::cede;
1369	$self->set_darkness_map;
1370	$self->difficulty ($self->estimate_difficulty)	1917	$self->difficulty ($self->estimate_difficulty)
1371	unless $self->difficulty;	1918	unless $self->difficulty;
1372	Coro::cede;	1919	cf::cede_to_tick;
		1920
		1921	unless ($self->{deny_activate}) {
		1922	$self->decay_objects;
		1923	$self->fix_auto_apply;
		1924	$self->update_buttons;
		1925	cf::cede_to_tick;
		1926	$self->set_darkness_map;
		1927	cf::cede_to_tick;
1373	$self->activate;	1928	$self->activate;
1374	}	1929	}
1375		1930
		1931	$self->{last_save} = $cf::RUNTIME;
		1932	$self->last_access ($cf::RUNTIME);
		1933
1376	$self->in_memory (cf::MAP_IN_MEMORY);	1934	$self->in_memory (cf::MAP_IN_MEMORY);
		1935	}
		1936
		1937	$self->post_load;
1377	}	1938	}
1378		1939
1379	sub customise_for {	1940	sub customise_for {
1380	my ($self, $ob) = @_;	1941	my ($self, $ob) = @_;
1381		1942
1382	return find "~" . $ob->name . "/" . $self->{path}	1943	return find "~" . $ob->name . "/" . $self->{path}
1383	if $self->per_player;	1944	if $self->per_player;
1384		1945
		1946	# return find "?party/" . $ob->name . "/" . $self->{path}
		1947	# if $self->per_party;
		1948
1385	$self	1949	$self
1386	}	1950	}
1387		1951
1388	# find and load all maps in the 3x3 area around a map	1952	# find and load all maps in the 3x3 area around a map
1389	sub load_diag {	1953	sub load_neighbours {
1390	my ($map) = @_;	1954	my ($map) = @_;
1391		1955
1392	my @diag; # diagonal neighbours	1956	my @neigh; # diagonal neighbours
1393		1957
1394	for (0 .. 3) {	1958	for (0 .. 3) {
1395	my $neigh = $map->tile_path ($_)	1959	my $neigh = $map->tile_path ($_)
1396	or next;	1960	or next;
1397	$neigh = find $neigh, $map	1961	$neigh = find $neigh, $map
1398	or next;	1962	or next;
1399	$neigh->load;	1963	$neigh->load;
1400		1964
		1965	push @neigh,
1401	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1966	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1402	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1967	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1403	}	1968	}
1404		1969
1405	for (@diag) {	1970	for (grep defined $_->[0], @neigh) {
		1971	my ($path, $origin) = @$_;
1406	my $neigh = find @$_	1972	my $neigh = find $path, $origin
1407	or next;	1973	or next;
1408	$neigh->load;	1974	$neigh->load;
1409	}	1975	}
1410	}	1976	}
1411		1977
…		…
1416	}	1982	}
1417		1983
1418	sub do_load_sync {	1984	sub do_load_sync {
1419	my ($map) = @_;	1985	my ($map) = @_;
1420		1986
		1987	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1988	if $Coro::current == $Coro::main;
		1989
1421	cf::sync_job { $map->load };	1990	cf::sync_job { $map->load };
1422	}	1991	}
1423		1992
1424	our %MAP_PREFETCH;	1993	our %MAP_PREFETCH;
1425	our $MAP_PREFETCHER = Coro::async {	1994	our $MAP_PREFETCHER = undef;
1426	while () {
1427	for my $path (keys %MAP_PREFETCH) {
1428	my $map = find $path
1429	or next;
1430	$map->load;
1431
1432	delete $MAP_PREFETCH{$path};
1433	}
1434	Coro::schedule;
1435	}
1436	};
1437		1995
1438	sub find_async {	1996	sub find_async {
1439	my ($path, $origin) = @_;	1997	my ($path, $origin, $load) = @_;
1440		1998
1441	$path = normalise $path, $origin && $origin->{path};	1999	$path = normalise $path, $origin && $origin->{path};
1442		2000
1443	if (my $map = $cf::MAP{$path}) {	2001	if (my $map = $cf::MAP{$path}) {
1444	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2002	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2003	}
		2004
		2005	$MAP_PREFETCH{$path} |= $load;
		2006
		2007	$MAP_PREFETCHER ||= cf::async {
		2008	while (%MAP_PREFETCH) {
		2009	while (my ($k, $v) = each %MAP_PREFETCH) {
		2010	if (my $map = find $k) {
		2011	$map->load if $v;
		2012	}
		2013
		2014	delete $MAP_PREFETCH{$k};
		2015	}
		2016	}
		2017	undef $MAP_PREFETCHER;
1445	}	2018	};
1446
1447	$MAP_PREFETCH{$path} = 0;
1448	$MAP_PREFETCHER->ready;	2019	$MAP_PREFETCHER->prio (6);
1449		2020
1450	()	2021	()
1451	}	2022	}
1452		2023
1453	sub save {	2024	sub save {
1454	my ($self) = @_;	2025	my ($self) = @_;
1455		2026
1456	my $lock = cf::lock_acquire "map_data:" . $self->path;	2027	my $lock = cf::lock_acquire "map_data:$self->{path}";
1457		2028
1458	$self->{last_save} = $cf::RUNTIME;	2029	$self->{last_save} = $cf::RUNTIME;
1459		2030
1460	return unless $self->dirty;	2031	return unless $self->dirty;
1461		2032
…		…
1484	my ($self) = @_;	2055	my ($self) = @_;
1485		2056
1486	# save first because save cedes	2057	# save first because save cedes
1487	$self->save;	2058	$self->save;
1488		2059
1489	my $lock = cf::lock_acquire "map_data:" . $self->path;	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1490		2061
1491	return if $self->players;	2062	return if $self->players;
1492	return if $self->in_memory != cf::MAP_IN_MEMORY;	2063	return if $self->in_memory != cf::MAP_IN_MEMORY;
1493	return if $self->{deny_save};	2064	return if $self->{deny_save};
1494		2065
…		…
1498		2069
1499	sub reset_at {	2070	sub reset_at {
1500	my ($self) = @_;	2071	my ($self) = @_;
1501		2072
1502	# TODO: safety, remove and allow resettable per-player maps	2073	# TODO: safety, remove and allow resettable per-player maps
1503	return 1e99 if $self->isa ("ext::map_per_player");
1504	return 1e99 if $self->{deny_reset};	2074	return 1e99 if $self->{deny_reset};
1505		2075
1506	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2076	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1507	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2077	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1508		2078
…		…
1513	my ($self) = @_;	2083	my ($self) = @_;
1514		2084
1515	$self->reset_at <= $cf::RUNTIME	2085	$self->reset_at <= $cf::RUNTIME
1516	}	2086	}
1517		2087
1518	sub rename {
1519	my ($self, $new_path) = @_;
1520
1521	normalise $new_path;
1522
1523	$self->unlink_save;
1524
1525	delete $cf::MAP{$self->path};
1526	$self->{path} = $new_path; $self->path ($self->{path});
1527	$cf::MAP{$self->path} = $self;
1528
1529	$self->save;
1530	}
1531
1532	sub reset {	2088	sub reset {
1533	my ($self) = @_;	2089	my ($self) = @_;
1534		2090
1535	my $lock = cf::lock_acquire "map_data:$self->{path}";	2091	my $lock = cf::lock_acquire "map_data:$self->{path}";
1536		2092
1537	return if $self->players;	2093	return if $self->players;
1538	return if $self->isa ("ext::map_per_player");#d#
1539		2094
1540	warn "resetting map ", $self->path;#d#	2095	warn "resetting map ", $self->path;
		2096
		2097	$self->in_memory (cf::MAP_SWAPPED);
		2098
		2099	# need to save uniques path
		2100	unless ($self->{deny_save}) {
		2101	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2102
		2103	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2104	if $uniq;
		2105	}
1541		2106
1542	delete $cf::MAP{$self->path};	2107	delete $cf::MAP{$self->path};
1543		2108
1544	$self->in_memory (cf::MAP_SWAPPED);
1545	$self->clear;	2109	$self->clear;
1546		2110
1547	$_->clear_links_to ($self) for values %cf::MAP;	2111	$_->clear_links_to ($self) for values %cf::MAP;
1548		2112
1549	$self->unlink_save;	2113	$self->unlink_save;
…		…
1553	my $nuke_counter = "aaaa";	2117	my $nuke_counter = "aaaa";
1554		2118
1555	sub nuke {	2119	sub nuke {
1556	my ($self) = @_;	2120	my ($self) = @_;
1557		2121
		2122	{
		2123	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2124
		2125	delete $cf::MAP{$self->path};
		2126
		2127	$self->unlink_save;
		2128
		2129	bless $self, "cf::map";
		2130	delete $self->{deny_reset};
1558	$self->{deny_save} = 1;	2131	$self->{deny_save} = 1;
1559	$self->reset_timeout (1);	2132	$self->reset_timeout (1);
1560	$self->rename ("{nuke}/" . ($nuke_counter++));	2133	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2134
		2135	$cf::MAP{$self->path} = $self;
		2136	}
		2137
1561	$self->reset; # polite request, might not happen	2138	$self->reset; # polite request, might not happen
		2139	}
		2140
		2141	=item $maps = cf::map::tmp_maps
		2142
		2143	Returns an arrayref with all map paths of currently instantiated and saved
		2144	maps. May block.
		2145
		2146	=cut
		2147
		2148	sub tmp_maps() {
		2149	[
		2150	map {
		2151	utf8::decode $_;
		2152	/\.map$/
		2153	? normalise $_
		2154	: ()
		2155	} @{ aio_readdir $TMPDIR or [] }
		2156	]
		2157	}
		2158
		2159	=item $maps = cf::map::random_maps
		2160
		2161	Returns an arrayref with all map paths of currently instantiated and saved
		2162	random maps. May block.
		2163
		2164	=cut
		2165
		2166	sub random_maps() {
		2167	[
		2168	map {
		2169	utf8::decode $_;
		2170	/\.map$/
		2171	? normalise "?random/$_"
		2172	: ()
		2173	} @{ aio_readdir $RANDOMDIR or [] }
		2174	]
1562	}	2175	}
1563		2176
1564	=item cf::map::unique_maps	2177	=item cf::map::unique_maps
1565		2178
1566	Returns an arrayref of paths of all shared maps that have	2179	Returns an arrayref of paths of all shared maps that have
1567	instantiated unique items. May block.	2180	instantiated unique items. May block.
1568		2181
1569	=cut	2182	=cut
1570		2183
1571	sub unique_maps() {	2184	sub unique_maps() {
1572	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2185	[
1573	or return;	2186	map {
1574
1575	my @paths;
1576
1577	for (@$files) {
1578	utf8::decode $_;	2187	utf8::decode $_;
1579	next if /\.pst$/;
1580	next unless /^$PATH_SEP/o;
1581
1582	s/\.map$//;	2188	/\.map$/
1583	push @paths, $_;	2189	? normalise $_
		2190	: ()
		2191	} @{ aio_readdir $UNIQUEDIR or [] }
1584	}	2192	]
1585
1586	\@paths
1587	}	2193	}
1588		2194
1589	package cf;	2195	package cf;
1590		2196
1591	=back	2197	=back
…		…
1609	map { $_, inv_recursive_ $_->inv } @_	2215	map { $_, inv_recursive_ $_->inv } @_
1610	}	2216	}
1611		2217
1612	sub inv_recursive {	2218	sub inv_recursive {
1613	inv_recursive_ inv $_[0]	2219	inv_recursive_ inv $_[0]
		2220	}
		2221
		2222	=item $ref = $ob->ref
		2223
		2224	creates and returns a persistent reference to an objetc that can be stored as a string.
		2225
		2226	=item $ob = cf::object::deref ($refstring)
		2227
		2228	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2229	even if the object actually exists. May block.
		2230
		2231	=cut
		2232
		2233	sub deref {
		2234	my ($ref) = @_;
		2235
		2236	# temporary compatibility#TODO#remove
		2237	$ref =~ s{^<}{player/<};
		2238
		2239	if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
		2240	my ($uuid, $name) = ($1, $2);
		2241	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2242	or return;
		2243	$pl->ob->uuid eq $uuid
		2244	or return;
		2245
		2246	$pl->ob
		2247	} else {
		2248	warn "$ref: cannot resolve object reference\n";
		2249	undef
		2250	}
1614	}	2251	}
1615		2252
1616	package cf;	2253	package cf;
1617		2254
1618	=back	2255	=back
…		…
1637		2274
1638	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2275	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1639		2276
1640	if ($self->{record_replies}) {	2277	if ($self->{record_replies}) {
1641	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2278	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2279
1642	} else {	2280	} else {
		2281	my $pl = $self->contr;
		2282
		2283	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2284	my $dialog = $pl->{npc_dialog};
		2285	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2286
		2287	} else {
1643	$msg = $npc->name . " says: $msg" if $npc;	2288	$msg = $npc->name . " says: $msg" if $npc;
1644	$self->message ($msg, $flags);	2289	$self->message ($msg, $flags);
		2290	}
1645	}	2291	}
		2292	}
		2293
		2294	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2295
		2296	=cut
		2297
		2298	sub cf::object::send_msg {
		2299	my $pl = shift->contr
		2300	or return;
		2301	$pl->send_msg (@_);
1646	}	2302	}
1647		2303
1648	=item $player_object->may ("access")	2304	=item $player_object->may ("access")
1649		2305
1650	Returns wether the given player is authorized to access resource "access"	2306	Returns wether the given player is authorized to access resource "access"
…		…
1682	=cut	2338	=cut
1683		2339
1684	sub link_map {	2340	sub link_map {
1685	unless ($LINK_MAP) {	2341	unless ($LINK_MAP) {
1686	$LINK_MAP = cf::map::find "{link}"	2342	$LINK_MAP = cf::map::find "{link}"
1687	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2343	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1688	$LINK_MAP->load;	2344	$LINK_MAP->load;
1689	}	2345	}
1690		2346
1691	$LINK_MAP	2347	$LINK_MAP
1692	}	2348	}
…		…
1697	$self->deactivate_recursive;	2353	$self->deactivate_recursive;
1698		2354
1699	return if UNIVERSAL::isa $self->map, "ext::map_link";	2355	return if UNIVERSAL::isa $self->map, "ext::map_link";
1700		2356
1701	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2357	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1702	if $self->map;	2358	if $self->map && $self->map->{path} ne "{link}";
1703		2359
1704	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2360	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1705	}	2361	}
1706		2362
1707	sub cf::object::player::leave_link {	2363	sub cf::object::player::leave_link {
1708	my ($self, $map, $x, $y) = @_;	2364	my ($self, $map, $x, $y) = @_;
		2365
		2366	return unless $self->contr->active;
1709		2367
1710	my $link_pos = delete $self->{_link_pos};	2368	my $link_pos = delete $self->{_link_pos};
1711		2369
1712	unless ($map) {	2370	unless ($map) {
1713	# restore original map position	2371	# restore original map position
…		…
1727	# use -1 or undef as default coordinates, not 0, 0	2385	# use -1 or undef as default coordinates, not 0, 0
1728	($x, $y) = ($map->enter_x, $map->enter_y)	2386	($x, $y) = ($map->enter_x, $map->enter_y)
1729	if $x <=0 && $y <= 0;	2387	if $x <=0 && $y <= 0;
1730		2388
1731	$map->load;	2389	$map->load;
1732	$map->load_diag;	2390	$map->load_neighbours;
1733		2391
1734	return unless $self->contr->active;	2392	return unless $self->contr->active;
1735	$self->activate_recursive;	2393	$self->activate_recursive;
		2394
		2395	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1736	$self->enter_map ($map, $x, $y);	2396	$self->enter_map ($map, $x, $y);
1737	}	2397	}
1738		2398
1739	cf::player->attach (	2399	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1740	on_logout => sub {
1741	my ($pl) = @_;
1742		2400
1743	# abort map switching before logout	2401	Moves the player to the given map-path and coordinates by first freezing
1744	if ($pl->ob->{_link_pos}) {	2402	her, loading and preparing them map, calling the provided $check callback
1745	cf::sync_job {	2403	that has to return the map if sucecssful, and then unfreezes the player on
1746	$pl->ob->leave_link	2404	the new (success) or old (failed) map position. In either case, $done will
1747	};	2405	be called at the end of this process.
1748	}
1749	},
1750	on_login => sub {
1751	my ($pl) = @_;
1752		2406
1753	# try to abort aborted map switching on player login :)
1754	# should happen only on crashes
1755	if ($pl->ob->{_link_pos}) {
1756	$pl->ob->enter_link;
1757	(async {
1758	# we need this sleep as the login has a concurrent enter_exit running
1759	# and this sleep increases chances of the player not ending up in scorn
1760	$pl->ob->reply (undef,
1761	"There was an internal problem at your last logout, "
1762	. "the server will try to bring you to your intended destination in a second.",
1763	cf::NDI_RED);
1764	Coro::Timer::sleep 1;
1765	$pl->ob->leave_link;
1766	})->prio (2);
1767	}
1768	},
1769	);
1770
1771	=item $player_object->goto ($path, $x, $y)
1772
1773	=cut	2407	=cut
		2408
		2409	our $GOTOGEN;
1774		2410
1775	sub cf::object::player::goto {	2411	sub cf::object::player::goto {
1776	my ($self, $path, $x, $y) = @_;	2412	my ($self, $path, $x, $y, $check, $done) = @_;
		2413
		2414	# do generation counting so two concurrent goto's will be executed in-order
		2415	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1777		2416
1778	$self->enter_link;	2417	$self->enter_link;
1779		2418
1780	(async {	2419	(async {
		2420	my $map = eval {
1781	my $map = cf::map::find $path;	2421	my $map = cf::map::find $path;
		2422
		2423	if ($map) {
1782	$map = $map->customise_for ($self) if $map;	2424	$map = $map->customise_for ($self);
1783		2425	$map = $check->($map) if $check && $map;
1784	# warn "entering ", $map->path, " at ($x, $y)\n"	2426	} else {
1785	# if $map;
1786
1787	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2427	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2428	}
1788		2429
		2430	$map
		2431	};
		2432
		2433	if ($@) {
		2434	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2435	LOG llevError | logBacktrace, Carp::longmess $@;
		2436	}
		2437
		2438	if ($gen == $self->{_goto_generation}) {
		2439	delete $self->{_goto_generation};
1789	$self->leave_link ($map, $x, $y);	2440	$self->leave_link ($map, $x, $y);
		2441	}
		2442
		2443	$done->() if $done;
1790	})->prio (1);	2444	})->prio (1);
1791	}	2445	}
1792		2446
1793	=item $player_object->enter_exit ($exit_object)	2447	=item $player_object->enter_exit ($exit_object)
1794		2448
…		…
1796		2450
1797	sub parse_random_map_params {	2451	sub parse_random_map_params {
1798	my ($spec) = @_;	2452	my ($spec) = @_;
1799		2453
1800	my $rmp = { # defaults	2454	my $rmp = { # defaults
1801	xsize => 10,	2455	xsize => (cf::rndm 15, 40),
1802	ysize => 10,	2456	ysize => (cf::rndm 15, 40),
		2457	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2458	#layout => string,
1803	};	2459	};
1804		2460
1805	for (split /\n/, $spec) {	2461	for (split /\n/, $spec) {
1806	my ($k, $v) = split /\s+/, $_, 2;	2462	my ($k, $v) = split /\s+/, $_, 2;
1807		2463
…		…
1811	$rmp	2467	$rmp
1812	}	2468	}
1813		2469
1814	sub prepare_random_map {	2470	sub prepare_random_map {
1815	my ($exit) = @_;	2471	my ($exit) = @_;
		2472
		2473	my $guard = cf::lock_acquire "exit_prepare:$exit";
1816		2474
1817	# all this does is basically replace the /! path by	2475	# all this does is basically replace the /! path by
1818	# a new random map path (?random/...) with a seed	2476	# a new random map path (?random/...) with a seed
1819	# that depends on the exit object	2477	# that depends on the exit object
1820		2478
1821	my $rmp = parse_random_map_params $exit->msg;	2479	my $rmp = parse_random_map_params $exit->msg;
1822		2480
1823	if ($exit->map) {	2481	if ($exit->map) {
1824	$rmp->{region} = $exit->map->region_name;	2482	$rmp->{region} = $exit->region->name;
1825	$rmp->{origin_map} = $exit->map->path;	2483	$rmp->{origin_map} = $exit->map->path;
1826	$rmp->{origin_x} = $exit->x;	2484	$rmp->{origin_x} = $exit->x;
1827	$rmp->{origin_y} = $exit->y;	2485	$rmp->{origin_y} = $exit->y;
1828	}	2486	}
1829		2487
1830	$rmp->{random_seed} ||= $exit->random_seed;	2488	$rmp->{random_seed} ||= $exit->random_seed;
1831		2489
1832	my $data = cf::to_json $rmp;	2490	my $data = cf::to_json $rmp;
1833	my $md5 = Digest::MD5::md5_hex $data;	2491	my $md5 = Digest::MD5::md5_hex $data;
		2492	my $meta = "$RANDOMDIR/$md5.meta";
1834		2493
1835	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2494	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1836	aio_write $fh, 0, (length $data), $data, 0;	2495	aio_write $fh, 0, (length $data), $data, 0;
		2496	undef $fh;
		2497	aio_rename "$meta~", $meta;
1837		2498
1838	$exit->slaying ("?random/$md5");	2499	$exit->slaying ("?random/$md5");
1839	$exit->msg (undef);	2500	$exit->msg (undef);
1840	}	2501	}
1841	}	2502	}
…		…
1843	sub cf::object::player::enter_exit {	2504	sub cf::object::player::enter_exit {
1844	my ($self, $exit) = @_;	2505	my ($self, $exit) = @_;
1845		2506
1846	return unless $self->type == cf::PLAYER;	2507	return unless $self->type == cf::PLAYER;
1847		2508
		2509	if ($exit->slaying eq "/!") {
		2510	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2511	# the problem is that $exit might not survive long enough
		2512	# so it needs to be done right now, right here
		2513	cf::sync_job { prepare_random_map $exit };
		2514	}
		2515
		2516	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2517	my $hp = $exit->stats->hp;
		2518	my $sp = $exit->stats->sp;
		2519
1848	$self->enter_link;	2520	$self->enter_link;
		2521
		2522	# if exit is damned, update players death & WoR home-position
		2523	$self->contr->savebed ($slaying, $hp, $sp)
		2524	if $exit->flag (FLAG_DAMNED);
1849		2525
1850	(async {	2526	(async {
1851	$self->deactivate_recursive; # just to be sure	2527	$self->deactivate_recursive; # just to be sure
1852	unless (eval {	2528	unless (eval {
1853	prepare_random_map $exit	2529	$self->goto ($slaying, $hp, $sp);
1854	if $exit->slaying eq "/!";
1855
1856	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1857	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1858		2530
1859	1;	2531	1;
1860	}) {	2532	}) {
1861	$self->message ("Something went wrong deep within the crossfire server. "	2533	$self->message ("Something went wrong deep within the crossfire server. "
1862	. "I'll try to bring you back to the map you were before. "	2534	. "I'll try to bring you back to the map you were before. "
1863	. "Please report this to the dungeon master!",	2535	. "Please report this to the dungeon master!",
1864	cf::NDI_UNIQUE | cf::NDI_RED);	2536	cf::NDI_UNIQUE | cf::NDI_RED);
1865		2537
1866	warn "ERROR in enter_exit: $@";	2538	warn "ERROR in enter_exit: $@";
1867	$self->leave_link;	2539	$self->leave_link;
1868	}	2540	}
1869	})->prio (1);	2541	})->prio (1);
…		…
1882		2554
1883	sub cf::client::send_drawinfo {	2555	sub cf::client::send_drawinfo {
1884	my ($self, $text, $flags) = @_;	2556	my ($self, $text, $flags) = @_;
1885		2557
1886	utf8::encode $text;	2558	utf8::encode $text;
1887	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2559	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1888	}	2560	}
1889		2561
		2562	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2563
		2564	Send a drawinfo or msg packet to the client, formatting the msg for the
		2565	client if neccessary. C<$type> should be a string identifying the type of
		2566	the message, with C<log> being the default. If C<$color> is negative, suppress
		2567	the message unless the client supports the msg packet.
		2568
		2569	=cut
		2570
		2571	our %CHANNEL = (
		2572	"c/identify" => {
		2573	id => "identify",
		2574	title => "Identify",
		2575	reply => undef,
		2576	tooltip => "Items recently identified",
		2577	},
		2578	"c/examine" => {
		2579	id => "examine",
		2580	title => "Examine",
		2581	reply => undef,
		2582	tooltip => "Signs and other items you examined",
		2583	},
		2584	);
		2585
		2586	sub cf::client::send_msg {
		2587	my ($self, $channel, $msg, $color, @extra) = @_;
		2588
		2589	$msg = $self->pl->expand_cfpod ($msg);
		2590
		2591	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2592
		2593	# check predefined channels, for the benefit of C
		2594	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2595
		2596	if (ref $channel) {
		2597	# send meta info to client, if not yet sent
		2598	unless (exists $self->{channel}{$channel->{id}}) {
		2599	$self->{channel}{$channel->{id}} = $channel;
		2600	$self->ext_msg (channel_info => $channel)
		2601	if $self->can_msg;
		2602	}
		2603
		2604	$channel = $channel->{id};
		2605	}
		2606
		2607	return unless @extra || length $msg;
		2608
		2609	if ($self->can_msg) {
		2610	# default colour, mask it out
		2611	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2612	if $color & cf::NDI_DEF;
		2613
		2614	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2615	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2616	} else {
		2617	if ($color >= 0) {
		2618	# replace some tags by gcfclient-compatible ones
		2619	for ($msg) {
		2620	1 while
		2621	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2622	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2623	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2624	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2625	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2626	}
		2627
		2628	$color &= cf::NDI_COLOR_MASK;
		2629
		2630	utf8::encode $msg;
		2631
		2632	if (0 && $msg =~ /\[/) {
		2633	# COMMAND/INFO
		2634	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2635	} else {
		2636	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2637	$self->send_packet ("drawinfo $color $msg")
		2638	}
		2639	}
		2640	}
		2641	}
		2642
		2643	=item $client->ext_msg ($type, @msg)
		2644
		2645	Sends an ext event to the client.
		2646
		2647	=cut
		2648
		2649	sub cf::client::ext_msg($$@) {
		2650	my ($self, $type, @msg) = @_;
		2651
		2652	if ($self->extcmd == 2) {
		2653	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2654	} elsif ($self->extcmd == 1) { # TODO: remove
		2655	push @msg, msgtype => "event_$type";
		2656	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2657	}
		2658	}
		2659
		2660	=item $client->ext_reply ($msgid, @msg)
		2661
		2662	Sends an ext reply to the client.
		2663
		2664	=cut
		2665
		2666	sub cf::client::ext_reply($$@) {
		2667	my ($self, $id, @msg) = @_;
		2668
		2669	if ($self->extcmd == 2) {
		2670	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2671	} elsif ($self->extcmd == 1) {
		2672	#TODO: version 1, remove
		2673	unshift @msg, msgtype => "reply", msgid => $id;
		2674	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2675	}
		2676	}
1890		2677
1891	=item $success = $client->query ($flags, "text", \&cb)	2678	=item $success = $client->query ($flags, "text", \&cb)
1892		2679
1893	Queues a query to the client, calling the given callback with	2680	Queues a query to the client, calling the given callback with
1894	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2681	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1895	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2682	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1896		2683
1897	Queries can fail, so check the return code. Or don't, as queries will become	2684	Queries can fail, so check the return code. Or don't, as queries will
1898	reliable at some point in the future.	2685	become reliable at some point in the future.
1899		2686
1900	=cut	2687	=cut
1901		2688
1902	sub cf::client::query {	2689	sub cf::client::query {
1903	my ($self, $flags, $text, $cb) = @_;	2690	my ($self, $flags, $text, $cb) = @_;
…		…
1911	utf8::encode $text;	2698	utf8::encode $text;
1912	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2699	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1913		2700
1914	$self->send_packet ($self->{query_queue}[0][0])	2701	$self->send_packet ($self->{query_queue}[0][0])
1915	if @{ $self->{query_queue} } == 1;	2702	if @{ $self->{query_queue} } == 1;
		2703
		2704	1
1916	}	2705	}
1917		2706
1918	cf::client->attach (	2707	cf::client->attach (
		2708	on_connect => sub {
		2709	my ($ns) = @_;
		2710
		2711	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2712	},
1919	on_reply => sub {	2713	on_reply => sub {
1920	my ($ns, $msg) = @_;	2714	my ($ns, $msg) = @_;
1921		2715
1922	# this weird shuffling is so that direct followup queries	2716	# this weird shuffling is so that direct followup queries
1923	# get handled first	2717	# get handled first
1924	my $queue = delete $ns->{query_queue}	2718	my $queue = delete $ns->{query_queue}
1925	or return; # be conservative, not sure how that can happen, but we saw a crash here	2719	or return; # be conservative, not sure how that can happen, but we saw a crash here
1926		2720
1927	(shift @$queue)->[1]->($msg);	2721	(shift @$queue)->[1]->($msg);
		2722	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1928		2723
1929	push @{ $ns->{query_queue} }, @$queue;	2724	push @{ $ns->{query_queue} }, @$queue;
1930		2725
1931	if (@{ $ns->{query_queue} } == @$queue) {	2726	if (@{ $ns->{query_queue} } == @$queue) {
1932	if (@$queue) {	2727	if (@$queue) {
…		…
1934	} else {	2729	} else {
1935	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2730	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1936	}	2731	}
1937	}	2732	}
1938	},	2733	},
		2734	on_exticmd => sub {
		2735	my ($ns, $buf) = @_;
		2736
		2737	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2738
		2739	if (ref $msg) {
		2740	my ($type, $reply, @payload) =
		2741	"ARRAY" eq ref $msg
		2742	? @$msg
		2743	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2744
		2745	my @reply;
		2746
		2747	if (my $cb = $EXTICMD{$type}) {
		2748	@reply = $cb->($ns, @payload);
		2749	}
		2750
		2751	$ns->ext_reply ($reply, @reply)
		2752	if $reply;
		2753
		2754	} else {
		2755	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2756	}
		2757
		2758	cf::override;
		2759	},
1939	);	2760	);
1940		2761
1941	=item $client->async (\&cb)	2762	=item $client->async (\&cb)
1942		2763
1943	Create a new coroutine, running the specified callback. The coroutine will	2764	Create a new coroutine, running the specified callback. The coroutine will
…		…
1984	our $safe = new Safe "safe";	2805	our $safe = new Safe "safe";
1985	our $safe_hole = new Safe::Hole;	2806	our $safe_hole = new Safe::Hole;
1986		2807
1987	$SIG{FPE} = 'IGNORE';	2808	$SIG{FPE} = 'IGNORE';
1988		2809
1989	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2810	$safe->permit_only (Opcode::opset qw(
		2811	:base_core :base_mem :base_orig :base_math
		2812	grepstart grepwhile mapstart mapwhile
		2813	sort time
		2814	));
1990		2815
1991	# here we export the classes and methods available to script code	2816	# here we export the classes and methods available to script code
1992		2817
1993	=pod	2818	=pod
1994		2819
1995	The following fucntions and emthods are available within a safe environment:	2820	The following functions and methods are available within a safe environment:
1996		2821
1997	cf::object contr pay_amount pay_player map	2822	cf::object
		2823	contr pay_amount pay_player map x y force_find force_add
		2824	insert remove name archname title slaying race decrease_ob_nr
		2825
1998	cf::object::player player	2826	cf::object::player
1999	cf::player peaceful	2827	player
2000	cf::map trigger	2828
		2829	cf::player
		2830	peaceful
		2831
		2832	cf::map
		2833	trigger
2001		2834
2002	=cut	2835	=cut
2003		2836
2004	for (	2837	for (
2005	["cf::object" => qw(contr pay_amount pay_player map)],	2838	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2839	insert remove inv name archname title slaying race
		2840	decrease_ob_nr)],
2006	["cf::object::player" => qw(player)],	2841	["cf::object::player" => qw(player)],
2007	["cf::player" => qw(peaceful)],	2842	["cf::player" => qw(peaceful)],
2008	["cf::map" => qw(trigger)],	2843	["cf::map" => qw(trigger)],
2009	) {	2844	) {
2010	no strict 'refs';	2845	no strict 'refs';
…		…
2081	=back	2916	=back
2082		2917
2083	=cut	2918	=cut
2084		2919
2085	#############################################################################	2920	#############################################################################
		2921	# the server's init and main functions
2086		2922
2087	=head2 EXTENSION DATABASE SUPPORT	2923	sub load_facedata($) {
		2924	my ($path) = @_;
2088		2925
2089	Crossfire maintains a very simple database for extension use. It can	2926	# HACK to clear player env face cache, we need some signal framework
2090	currently store anything that can be serialised using Storable, which	2927	# for this (global event?)
2091	excludes objects.	2928	%ext::player_env::MUSIC_FACE_CACHE = ();
2092		2929
2093	The parameter C<$family> should best start with the name of the extension	2930	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2094	using it, it should be unique.
2095		2931
2096	=over 4	2932	warn "loading facedata from $path\n";
2097		2933
2098	=item $hashref = cf::db_get $family	2934	my $facedata;
		2935	0 < aio_load $path, $facedata
		2936	or die "$path: $!";
2099		2937
2100	Return a hashref for use by the extension C<$family>, which can be	2938	$facedata = Coro::Storable::thaw $facedata;
2101	modified. After modifications, you have to call C<cf::db_dirty> or
2102	C<cf::db_sync>.
2103		2939
2104	=item $value = cf::db_get $family => $key	2940	$facedata->{version} == 2
		2941	or cf::cleanup "$path: version mismatch, cannot proceed.";
2105		2942
2106	Returns a single value from the database	2943	# patch in the exptable
2107		2944	$facedata->{resource}{"res/exp_table"} = {
2108	=item cf::db_put $family => $hashref	2945	type => FT_RSRC,
2109		2946	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	Stores the given family hashref into the database. Updates are delayed, if
2111	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2112
2113	=item cf::db_put $family => $key => $value
2114
2115	Stores the given C<$value> in the family hash. Updates are delayed, if you
2116	want the data to be synced to disk immediately, use C<cf::db_sync>.
2117
2118	=item cf::db_dirty
2119
2120	Marks the database as dirty, to be updated at a later time.
2121
2122	=item cf::db_sync
2123
2124	Immediately write the database to disk I<if it is dirty>.
2125
2126	=cut
2127
2128	our $DB;
2129
2130	{
2131	my $path = cf::localdir . "/database.pst";
2132
2133	sub db_load() {
2134	$DB = stat $path ? Storable::retrieve $path : { };
2135	}
2136
2137	my $pid;
2138
2139	sub db_save() {
2140	waitpid $pid, 0 if $pid;
2141	if (0 == ($pid = fork)) {
2142	$DB->{_meta}{version} = 1;
2143	Storable::nstore $DB, "$path~";
2144	rename "$path~", $path;
2145	cf::_exit 0 if defined $pid;
2146	}
2147	}
2148
2149	my $dirty;
2150
2151	sub db_sync() {
2152	db_save if $dirty;
2153	undef $dirty;
2154	}
2155
2156	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2157	db_sync;
2158	});	2947	};
		2948	cf::cede_to_tick;
2159		2949
2160	sub db_dirty() {
2161	$dirty = 1;
2162	$idle->start;
2163	}	2950	{
		2951	my $faces = $facedata->{faceinfo};
2164		2952
2165	sub db_get($;$) {	2953	while (my ($face, $info) = each %$faces) {
2166	@_ >= 2	2954	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2167	? $DB->{$_[0]}{$_[1]}	2955	cf::face::set_visibility $idx, $info->{visibility};
2168	: ($DB->{$_[0]} ||= { })	2956	cf::face::set_magicmap $idx, $info->{magicmap};
2169	}	2957	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2958	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2170		2959
2171	sub db_put($$;$) {	2960	cf::cede_to_tick;
2172	if (@_ >= 3) {
2173	$DB->{$_[0]}{$_[1]} = $_[2];
2174	} else {
2175	$DB->{$_[0]} = $_[1];
2176	}
2177	db_dirty;
2178	}
2179
2180	cf::global->attach (
2181	prio => 10000,
2182	on_cleanup => sub {
2183	db_sync;
2184	},	2961	}
2185	);
2186	}
2187		2962
2188	#############################################################################	2963	while (my ($face, $info) = each %$faces) {
2189	# the server's main()	2964	next unless $info->{smooth};
		2965	my $idx = cf::face::find $face
		2966	or next;
		2967	if (my $smooth = cf::face::find $info->{smooth}) {
		2968	cf::face::set_smooth $idx, $smooth;
		2969	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2970	} else {
		2971	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2972	}
2190		2973
2191	sub cfg_load {	2974	cf::cede_to_tick;
		2975	}
		2976	}
		2977
		2978	{
		2979	my $anims = $facedata->{animinfo};
		2980
		2981	while (my ($anim, $info) = each %$anims) {
		2982	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2983	cf::cede_to_tick;
		2984	}
		2985
		2986	cf::anim::invalidate_all; # d'oh
		2987	}
		2988
		2989	{
		2990	# TODO: for gcfclient pleasure, we should give resources
		2991	# that gcfclient doesn't grok a >10000 face index.
		2992	my $res = $facedata->{resource};
		2993
		2994	my $soundconf = delete $res->{"res/sound.conf"};
		2995
		2996	while (my ($name, $info) = each %$res) {
		2997	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2998	my $data;
		2999
		3000	if ($info->{type} & 1) {
		3001	# prepend meta info
		3002
		3003	my $meta = $enc->encode ({
		3004	name => $name,
		3005	%{ $info->{meta} || {} },
		3006	});
		3007
		3008	$data = pack "(w/a*)*", $meta, $info->{data};
		3009	} else {
		3010	$data = $info->{data};
		3011	}
		3012
		3013	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3014	cf::face::set_type $idx, $info->{type};
		3015
		3016	cf::cede_to_tick;
		3017	}
		3018
		3019	if ($soundconf) {
		3020	$soundconf = $enc->decode (delete $soundconf->{data});
		3021
		3022	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3023	my $sound = $soundconf->{compat}[$_]
		3024	or next;
		3025
		3026	my $face = cf::face::find "sound/$sound->[1]";
		3027	cf::sound::set $sound->[0] => $face;
		3028	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3029	}
		3030
		3031	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3032	my $face = cf::face::find "sound/$v";
		3033	cf::sound::set $k => $face;
		3034	}
		3035	}
		3036	}
		3037
		3038	1
		3039	}
		3040
		3041	register_exticmd fx_want => sub {
		3042	my ($ns, $want) = @_;
		3043
		3044	while (my ($k, $v) = each %$want) {
		3045	$ns->fx_want ($k, $v);
		3046	}
		3047	};
		3048
		3049	sub reload_regions {
		3050	# HACK to clear player env face cache, we need some signal framework
		3051	# for this (global event?)
		3052	%ext::player_env::MUSIC_FACE_CACHE = ();
		3053
		3054	load_resource_file "$MAPDIR/regions"
		3055	or die "unable to load regions file\n";
		3056
		3057	for (cf::region::list) {
		3058	$_->{match} = qr/$_->{match}/
		3059	if exists $_->{match};
		3060	}
		3061	}
		3062
		3063	sub reload_facedata {
		3064	load_facedata "$DATADIR/facedata"
		3065	or die "unable to load facedata\n";
		3066	}
		3067
		3068	sub reload_archetypes {
		3069	load_resource_file "$DATADIR/archetypes"
		3070	or die "unable to load archetypes\n";
		3071	#d# NEED to laod twice to resolve forward references
		3072	# this really needs to be done in an extra post-pass
		3073	# (which needs to be synchronous, so solve it differently)
		3074	load_resource_file "$DATADIR/archetypes"
		3075	or die "unable to load archetypes\n";
		3076	}
		3077
		3078	sub reload_treasures {
		3079	load_resource_file "$DATADIR/treasures"
		3080	or die "unable to load treasurelists\n";
		3081	}
		3082
		3083	sub reload_resources {
		3084	warn "reloading resource files...\n";
		3085
		3086	reload_regions;
		3087	reload_facedata;
		3088	#reload_archetypes;#d#
		3089	reload_archetypes;
		3090	reload_treasures;
		3091
		3092	warn "finished reloading resource files\n";
		3093	}
		3094
		3095	sub init {
		3096	reload_resources;
		3097	}
		3098
		3099	sub reload_config {
2192	open my $fh, "<:utf8", cf::confdir . "/config"	3100	open my $fh, "<:utf8", "$CONFDIR/config"
2193	or return;	3101	or return;
2194		3102
2195	local $/;	3103	local $/;
2196	*CFG = YAML::Syck::Load <$fh>;	3104	*CFG = YAML::Syck::Load <$fh>;
2197		3105
…		…
2211		3119
2212	sub main {	3120	sub main {
2213	# we must not ever block the main coroutine	3121	# we must not ever block the main coroutine
2214	local $Coro::idle = sub {	3122	local $Coro::idle = sub {
2215	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3123	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3124	(async {
2216	async { Event::one_event };	3125	Event::one_event;
		3126	})->prio (Coro::PRIO_MAX);
2217	};	3127	};
2218		3128
2219	cfg_load;	3129	reload_config;
2220	db_load;	3130	db_init;
2221	load_extensions;	3131	load_extensions;
		3132
		3133	$TICK_WATCHER->start;
2222	Event::loop;	3134	Event::loop;
2223	}	3135	}
2224		3136
2225	#############################################################################	3137	#############################################################################
2226	# initialisation and cleanup	3138	# initialisation and cleanup
2227		3139
2228	# install some emergency cleanup handlers	3140	# install some emergency cleanup handlers
2229	BEGIN {	3141	BEGIN {
2230	for my $signal (qw(INT HUP TERM)) {	3142	for my $signal (qw(INT HUP TERM)) {
2231	Event->signal (	3143	Event->signal (
		3144	reentrant => 0,
2232	data => WF_AUTOCANCEL,	3145	data => WF_AUTOCANCEL,
2233	signal => $signal,	3146	signal => $signal,
		3147	prio => 0,
2234	cb => sub {	3148	cb => sub {
2235	cf::cleanup "SIG$signal";	3149	cf::cleanup "SIG$signal";
2236	},	3150	},
2237	);	3151	);
2238	}	3152	}
		3153	}
		3154
		3155	sub write_runtime {
		3156	my $runtime = "$LOCALDIR/runtime";
		3157
		3158	# first touch the runtime file to show we are still running:
		3159	# the fsync below can take a very very long time.
		3160
		3161	IO::AIO::aio_utime $runtime, undef, undef;
		3162
		3163	my $guard = cf::lock_acquire "write_runtime";
		3164
		3165	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3166	or return;
		3167
		3168	my $value = $cf::RUNTIME + 90 + 10;
		3169	# 10 is the runtime save interval, for a monotonic clock
		3170	# 60 allows for the watchdog to kill the server.
		3171
		3172	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3173	and return;
		3174
		3175	# always fsync - this file is important
		3176	aio_fsync $fh
		3177	and return;
		3178
		3179	# touch it again to show we are up-to-date
		3180	aio_utime $fh, undef, undef;
		3181
		3182	close $fh
		3183	or return;
		3184
		3185	aio_rename "$runtime~", $runtime
		3186	and return;
		3187
		3188	warn "runtime file written.\n";
		3189
		3190	1
2239	}	3191	}
2240		3192
2241	sub emergency_save() {	3193	sub emergency_save() {
2242	my $freeze_guard = cf::freeze_mainloop;	3194	my $freeze_guard = cf::freeze_mainloop;
2243		3195
…		…
2260	my $map = $cf::MAP{$path} or next;	3212	my $map = $cf::MAP{$path} or next;
2261	$map->valid or next;	3213	$map->valid or next;
2262	$map->save;	3214	$map->save;
2263	}	3215	}
2264	warn "end emergency map save\n";	3216	warn "end emergency map save\n";
		3217
		3218	warn "begin emergency database checkpoint\n";
		3219	BDB::db_env_txn_checkpoint $DB_ENV;
		3220	warn "end emergency database checkpoint\n";
2265	};	3221	};
2266		3222
2267	warn "leave emergency perl save\n";	3223	warn "leave emergency perl save\n";
2268	}	3224	}
2269		3225
		3226	sub post_cleanup {
		3227	my ($make_core) = @_;
		3228
		3229	warn Carp::longmess "post_cleanup backtrace"
		3230	if $make_core;
		3231	}
		3232
2270	sub reload() {	3233	sub do_reload_perl() {
2271	# can/must only be called in main	3234	# can/must only be called in main
2272	if ($Coro::current != $Coro::main) {	3235	if ($Coro::current != $Coro::main) {
2273	warn "can only reload from main coroutine\n";	3236	warn "can only reload from main coroutine";
2274	return;	3237	return;
2275	}	3238	}
2276		3239
2277	warn "reloading...";	3240	warn "reloading...";
2278		3241
2279	warn "freezing server";	3242	warn "entering sync_job";
2280	my $guard = freeze_mainloop;	3243
		3244	cf::sync_job {
		3245	cf::write_runtime; # external watchdog should not bark
2281	cf::emergency_save;	3246	cf::emergency_save;
		3247	cf::write_runtime; # external watchdog should not bark
2282		3248
2283	warn "sync database to disk";	3249	warn "syncing database to disk";
2284	cf::db_sync;	3250	BDB::db_env_txn_checkpoint $DB_ENV;
2285	IO::AIO::flush;
2286		3251
2287	eval {
2288	# if anything goes wrong in here, we should simply crash as we already saved	3252	# if anything goes wrong in here, we should simply crash as we already saved
2289		3253
2290	warn "cancel all watchers";	3254	warn "cancelling all WF_AUTOCANCEL watchers";
2291	for (Event::all_watchers) {	3255	for (Event::all_watchers) {
2292	$_->cancel if $_->data & WF_AUTOCANCEL;	3256	$_->cancel if $_->data & WF_AUTOCANCEL;
2293	}	3257	}
2294		3258
		3259	warn "flushing outstanding aio requests";
		3260	for (;;) {
		3261	BDB::flush;
		3262	IO::AIO::flush;
		3263	Coro::cede;
		3264	last unless IO::AIO::nreqs || BDB::nreqs;
		3265	warn "iterate...";
		3266	}
		3267
		3268	++$RELOAD;
		3269
2295	warn "cancel all extension coros";	3270	warn "cancelling all extension coros";
2296	$_->cancel for values %EXT_CORO;	3271	$_->cancel for values %EXT_CORO;
2297	%EXT_CORO = ();	3272	%EXT_CORO = ();
2298		3273
2299	warn "remove commands";	3274	warn "removing commands";
2300	%COMMAND = ();	3275	%COMMAND = ();
2301		3276
2302	warn "remove ext commands";	3277	warn "removing ext/exti commands";
2303	%EXTCMD = ();	3278	%EXTCMD = ();
		3279	%EXTICMD = ();
2304		3280
2305	warn "unload/nuke all extensions";	3281	warn "unloading/nuking all extensions";
2306	for my $pkg (@EXTS) {	3282	for my $pkg (@EXTS) {
2307	warn "... unloading $pkg";	3283	warn "... unloading $pkg";
2308		3284
2309	if (my $cb = $pkg->can ("unload")) {	3285	if (my $cb = $pkg->can ("unload")) {
2310	eval {	3286	eval {
…		…
2315		3291
2316	warn "... nuking $pkg";	3292	warn "... nuking $pkg";
2317	Symbol::delete_package $pkg;	3293	Symbol::delete_package $pkg;
2318	}	3294	}
2319		3295
2320	warn "unload all perl modules loaded from $LIBDIR";	3296	warn "unloading all perl modules loaded from $LIBDIR";
2321	while (my ($k, $v) = each %INC) {	3297	while (my ($k, $v) = each %INC) {
2322	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3298	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2323		3299
2324	warn "removing <$k>";	3300	warn "... unloading $k";
2325	delete $INC{$k};	3301	delete $INC{$k};
2326		3302
2327	$k =~ s/\.pm$//;	3303	$k =~ s/\.pm$//;
2328	$k =~ s/\//::/g;	3304	$k =~ s/\//::/g;
2329		3305
…		…
2332	}	3308	}
2333		3309
2334	Symbol::delete_package $k;	3310	Symbol::delete_package $k;
2335	}	3311	}
2336		3312
2337	warn "get rid of safe::, as good as possible";	3313	warn "getting rid of safe::, as good as possible";
2338	Symbol::delete_package "safe::$_"	3314	Symbol::delete_package "safe::$_"
2339	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3315	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2340		3316
2341	warn "unload cf.pm \"a bit\"";	3317	warn "unloading cf.pm \"a bit\"";
2342	delete $INC{"cf.pm"};	3318	delete $INC{"cf.pm"};
		3319	delete $INC{"cf/pod.pm"};
2343		3320
2344	# don't, removes xs symbols, too,	3321	# don't, removes xs symbols, too,
2345	# and global variables created in xs	3322	# and global variables created in xs
2346	#Symbol::delete_package __PACKAGE__;	3323	#Symbol::delete_package __PACKAGE__;
2347		3324
		3325	warn "unload completed, starting to reload now";
		3326
2348	warn "reloading cf.pm";	3327	warn "reloading cf.pm";
2349	require cf;	3328	require cf;
2350	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3329	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2351		3330
2352	warn "load config and database again";	3331	warn "loading config and database again";
2353	cf::cfg_load;	3332	cf::reload_config;
2354	cf::db_load;
2355		3333
2356	warn "load extensions";	3334	warn "loading extensions";
2357	cf::load_extensions;	3335	cf::load_extensions;
2358		3336
2359	warn "reattach attachments to objects/players";	3337	warn "reattaching attachments to objects/players";
2360	_global_reattach;	3338	_global_reattach; # objects, sockets
2361	warn "reattach attachments to maps";	3339	warn "reattaching attachments to maps";
2362	reattach $_ for values %MAP;	3340	reattach $_ for values %MAP;
2363	};	3341	warn "reattaching attachments to players";
		3342	reattach $_ for values %PLAYER;
2364		3343
2365	if ($@) {	3344	warn "leaving sync_job";
		3345
		3346	1
		3347	} or do {
2366	warn $@;	3348	warn $@;
2367	warn "error while reloading, exiting.";	3349	warn "error while reloading, exiting.";
2368	exit 1;	3350	exit 1;
2369	}	3351	};
2370		3352
2371	warn "reloaded";	3353	warn "reloaded";
2372	};	3354	};
2373		3355
		3356	our $RELOAD_WATCHER; # used only during reload
		3357
		3358	sub reload_perl() {
		3359	# doing reload synchronously and two reloads happen back-to-back,
		3360	# coro crashes during coro_state_free->destroy here.
		3361
		3362	$RELOAD_WATCHER ||= Event->timer (
		3363	reentrant => 0,
		3364	after => 0,
		3365	data => WF_AUTOCANCEL,
		3366	cb => sub {
		3367	do_reload_perl;
		3368	undef $RELOAD_WATCHER;
		3369	},
		3370	);
		3371	}
		3372
2374	register_command "reload" => sub {	3373	register_command "reload" => sub {
2375	my ($who, $arg) = @_;	3374	my ($who, $arg) = @_;
2376		3375
2377	if ($who->flag (FLAG_WIZ)) {	3376	if ($who->flag (FLAG_WIZ)) {
2378	$who->message ("start of reload.");
2379	reload;
2380	$who->message ("end of reload.");	3377	$who->message ("reloading server.");
		3378	async { reload_perl };
2381	}	3379	}
2382	};	3380	};
2383		3381
2384	unshift @INC, $LIBDIR;	3382	unshift @INC, $LIBDIR;
2385		3383
		3384	my $bug_warning = 0;
		3385
		3386	our @WAIT_FOR_TICK;
		3387	our @WAIT_FOR_TICK_BEGIN;
		3388
		3389	sub wait_for_tick {
		3390	return unless $TICK_WATCHER->is_active;
		3391	return if $Coro::current == $Coro::main;
		3392
		3393	my $signal = new Coro::Signal;
		3394	push @WAIT_FOR_TICK, $signal;
		3395	$signal->wait;
		3396	}
		3397
		3398	sub wait_for_tick_begin {
		3399	return unless $TICK_WATCHER->is_active;
		3400	return if $Coro::current == $Coro::main;
		3401
		3402	my $signal = new Coro::Signal;
		3403	push @WAIT_FOR_TICK_BEGIN, $signal;
		3404	$signal->wait;
		3405	}
		3406
		3407	my $min = 1e6;#d#
		3408	my $avg = 10;
2386	$TICK_WATCHER = Event->timer (	3409	$TICK_WATCHER = Event->timer (
2387	reentrant => 0,	3410	reentrant => 0,
		3411	parked => 1,
2388	prio => 0,	3412	prio => 0,
2389	at => $NEXT_TICK || $TICK,	3413	at => $NEXT_TICK || $TICK,
2390	data => WF_AUTOCANCEL,	3414	data => WF_AUTOCANCEL,
2391	cb => sub {	3415	cb => sub {
		3416	if ($Coro::current != $Coro::main) {
		3417	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3418	unless ++$bug_warning > 10;
		3419	return;
		3420	}
		3421
2392	$NOW = Event::time;	3422	$NOW = $tick_start = Event::time;
2393		3423
2394	cf::server_tick; # one server iteration	3424	cf::server_tick; # one server iteration
		3425
		3426	0 && sync_job {#d#
		3427	for(1..10) {
		3428	my $t = Event::time;
		3429	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3430	or die;
		3431
		3432	$map->width (50);
		3433	$map->height (50);
		3434	$map->alloc;
		3435	$map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
		3436	my $t = Event::time - $t;
		3437
		3438	#next unless $t < 0.0013;#d#
		3439	if ($t < $min) {
		3440	$min = $t;
		3441	}
		3442	$avg = $avg * 0.99 + $t * 0.01;
		3443	}
		3444	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3445	exit 0;
		3446	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3447	};
		3448
2395	$RUNTIME += $TICK;	3449	$RUNTIME += $TICK;
2396	$NEXT_TICK += $TICK;	3450	$NEXT_TICK += $TICK;
2397		3451
2398	$WAIT_FOR_TICK->broadcast;	3452	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2399	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3453	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3454	Coro::async_pool {
		3455	write_runtime
		3456	or warn "ERROR: unable to write runtime file: $!";
		3457	};
		3458	}
		3459
		3460	# my $AFTER = Event::time;
		3461	# warn $AFTER - $NOW;#d#
		3462
		3463	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3464	$sig->send;
		3465	}
		3466	while (my $sig = shift @WAIT_FOR_TICK) {
		3467	$sig->send;
		3468	}
		3469
		3470	$NOW = Event::time;
2400		3471
2401	# if we are delayed by four ticks or more, skip them all	3472	# if we are delayed by four ticks or more, skip them all
2402	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3473	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2403		3474
2404	$TICK_WATCHER->at ($NEXT_TICK);	3475	$TICK_WATCHER->at ($NEXT_TICK);
2405	$TICK_WATCHER->start;	3476	$TICK_WATCHER->start;
		3477
		3478	$LOAD = ($NOW - $tick_start) / $TICK;
		3479	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3480
		3481	_post_tick;
		3482
		3483
2406	},	3484	},
2407	);	3485	);
2408		3486
		3487	{
		3488	BDB::max_poll_time $TICK * 0.1;
		3489	$BDB_POLL_WATCHER = Event->io (
		3490	reentrant => 0,
		3491	fd => BDB::poll_fileno,
		3492	poll => 'r',
		3493	prio => 0,
		3494	data => WF_AUTOCANCEL,
		3495	cb => \&BDB::poll_cb,
		3496	);
		3497	BDB::min_parallel 8;
		3498
		3499	BDB::set_sync_prepare {
		3500	my $status;
		3501	my $current = $Coro::current;
		3502	(
		3503	sub {
		3504	$status = $!;
		3505	$current->ready; undef $current;
		3506	},
		3507	sub {
		3508	Coro::schedule while defined $current;
		3509	$! = $status;
		3510	},
		3511	)
		3512	};
		3513
		3514	unless ($DB_ENV) {
		3515	$DB_ENV = BDB::db_env_create;
		3516
		3517	cf::sync_job {
		3518	eval {
		3519	BDB::db_env_open
		3520	$DB_ENV,
		3521	$BDBDIR,
		3522	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3523	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3524	0666;
		3525
		3526	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3527
		3528	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3529	$DB_ENV->set_lk_detect;
		3530	};
		3531
		3532	cf::cleanup "db_env_open(db): $@" if $@;
		3533	};
		3534	}
		3535	}
		3536
		3537	{
		3538	IO::AIO::min_parallel 8;
		3539
		3540	undef $Coro::AIO::WATCHER;
2409	IO::AIO::max_poll_time $TICK * 0.2;	3541	IO::AIO::max_poll_time $TICK * 0.1;
2410
2411	$AIO_POLL_WATCHER = Event->io (	3542	$AIO_POLL_WATCHER = Event->io (
2412	fd => IO::AIO::poll_fileno,	3543	reentrant => 0,
2413	poll => 'r',
2414	prio => 5,
2415	data => WF_AUTOCANCEL,
2416	cb => \&IO::AIO::poll_cb,
2417	);
2418
2419	$WRITE_RUNTIME_WATCHER = Event->timer (
2420	data => WF_AUTOCANCEL,	3544	data => WF_AUTOCANCEL,
2421	after => 0,	3545	fd => IO::AIO::poll_fileno,
2422	interval => 10,	3546	poll => 'r',
2423	cb => sub {	3547	prio => 6,
2424	(Coro::unblock_sub {	3548	cb => \&IO::AIO::poll_cb,
2425	write_runtime	3549	);
2426	or warn "ERROR: unable to write runtime file: $!";	3550	}
		3551
		3552	my $_log_backtrace;
		3553
		3554	sub _log_backtrace {
		3555	my ($msg, @addr) = @_;
		3556
		3557	$msg =~ s/\n//;
		3558
		3559	# limit the # of concurrent backtraces
		3560	if ($_log_backtrace < 2) {
		3561	++$_log_backtrace;
		3562	async {
		3563	my @bt = fork_call {
		3564	@addr = map { sprintf "%x", $_ } @addr;
		3565	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3566	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3567	or die "addr2line: $!";
		3568
		3569	my @funcs;
		3570	my @res = <$fh>;
		3571	chomp for @res;
		3572	while (@res) {
		3573	my ($func, $line) = splice @res, 0, 2, ();
		3574	push @funcs, "[$func] $line";
		3575	}
		3576
		3577	@funcs
		3578	};
		3579
		3580	LOG llevInfo, "[ABT] $msg\n";
		3581	LOG llevInfo, "[ABT] $_\n" for @bt;
		3582	--$_log_backtrace;
2427	})->();	3583	};
		3584	} else {
		3585	LOG llevInfo, "[ABT] $msg\n";
		3586	LOG llevInfo, "[ABT] [suppressed]\n";
2428	},	3587	}
2429	);	3588	}
		3589
		3590	# load additional modules
		3591	use cf::pod;
2430		3592
2431	END { cf::emergency_save }	3593	END { cf::emergency_save }
2432		3594
2433	1	3595	1
2434		3596

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