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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 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; # all users
60	our %MAP; # all maps	93	our %MAP; # 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
…		…
228	returned.	275	returned.
229		276
230	Lock names should begin with a unique identifier (for example, cf::map::find	277	Lock names should begin with a unique identifier (for example, cf::map::find
231	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
232		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
233	=cut	284	=cut
234		285
235	our %LOCK;	286	our %LOCK;
236		287
237	sub lock_wait($) {	288	sub lock_wait($) {
…		…
256	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
257	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
258	}	309	}
259	}	310	}
260		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
261	sub freeze_mainloop {	318	sub freeze_mainloop {
262	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
263		320
264	my $guard = Coro::guard {	321	my $guard = Coro::guard {
265	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
266	$WRITE_RUNTIME_WATCHER->start;
267	};	323	};
268	$WRITE_RUNTIME_WATCHER->stop;
269	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
270	$guard	325	$guard
		326	}
		327
		328	=item cf::get_slot $time[, $priority[, $name]]
		329
		330	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		331	This call blocks and returns only when you have at least C<$time> seconds
		332	of cpu time till the next tick. The slot is only valid till the next cede.
		333
		334	The optional C<$name> can be used to identify the job to run. It might be
		335	used for statistical purposes and should identify the same time-class.
		336
		337	Useful for short background jobs.
		338
		339	=cut
		340
		341	our @SLOT_QUEUE;
		342	our $SLOT_QUEUE;
		343
		344	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		345	$SLOT_QUEUE = Coro::async {
		346	my $signal = new Coro::Signal;
		347
		348	while () {
		349	next_job:
		350	my $avail = cf::till_tick;
		351	if ($avail > 0.01) {
		352	for (0 .. $#SLOT_QUEUE) {
		353	if ($SLOT_QUEUE[$_][0] < $avail) {
		354	my $job = splice @SLOT_QUEUE, $_, 1, ();
		355	$job->[2]->send;
		356	Coro::cede;
		357	goto next_job;
		358	}
		359	}
		360	}
		361
		362	if (@SLOT_QUEUE) {
		363	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		364	push @cf::WAIT_FOR_TICK, $signal;
		365	$signal->wait;
		366	} else {
		367	Coro::schedule;
		368	}
		369	}
		370	};
		371
		372	sub get_slot($;$$) {
		373	my ($time, $pri, $name) = @_;
		374
		375	$time = $TICK * .6 if $time > $TICK * .6;
		376	my $sig = new Coro::Signal;
		377
		378	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		379	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		380	$SLOT_QUEUE->ready;
		381	$sig->wait;
271	}	382	}
272		383
273	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
274		385
275	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
280		391
281	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
282		393
283	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
284		395
285	The design of crossfire+ requires that the main coro ($Coro::main) is	396	The design of Crossfire TRT requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	397	is always able to handle events or runnable, as Crossfire TRT is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	398	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		399	acceptable.
288		400
289	If it must be done, put the blocking parts into C<sync_job>. This will run	401	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	402	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	403	server will be frozen during this time, so the block should either finish
292	fast or be very important.	404	fast or be very important.
…		…
295		407
296	sub sync_job(&) {	408	sub sync_job(&) {
297	my ($job) = @_;	409	my ($job) = @_;
298		410
299	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
300	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
302		416
303	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
315		429
316	while ($busy) {	430	while ($busy) {
317	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
318	}	432	}
319		433
		434	$time = Event::time - $time;
		435
		436	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		437	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		438
		439	$tick_start += $time; # do not account sync jobs to server load
		440
320	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
321	} else {	442	} else {
322	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
323		444
324	$job->()	445	$job->()
…		…
343	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
344		465
345	$coro	466	$coro
346	}	467	}
347		468
348	sub write_runtime {	469	=item fork_call { }, $args
349	my $runtime = cf::localdir . "/runtime";
350		470
351	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
352	or return;	472	process, returning the results. Everything must be serialisable with
		473	Coro::Storable. May, of course, block. Note that the executed sub may
		474	never block itself or use any form of Event handling.
353		475
354	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	476	=cut
355	(aio_write $fh, 0, (length $value), $value, 0) <= 0
356	and return;
357		477
358	aio_fsync $fh	478	sub fork_call(&@) {
359	and return;	479	my ($cb, @args) = @_;
360		480
361	close $fh	481	# we seemingly have to make a local copy of the whole thing,
362	or return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
363		484
364	aio_rename "$runtime~", $runtime	485	my @res = Coro::Util::fork_eval {
365	and return;	486	reset_signals;
		487	&$cb
		488	}, @args;
366		489
		490	wantarray ? @res : $res[-1]
		491	}
		492
		493	=item $value = cf::db_get $family => $key
		494
		495	Returns a single value from the environment database.
		496
		497	=item cf::db_put $family => $key => $value
		498
		499	Stores the given C<$value> in the family. It can currently store binary
		500	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		501
		502	=cut
		503
		504	our $DB;
		505
		506	sub db_init {
		507	unless ($DB) {
		508	$DB = BDB::db_create $DB_ENV;
		509
		510	cf::sync_job {
		511	eval {
		512	$DB->set_flags (BDB::CHKSUM);
		513
		514	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		515	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		516	cf::cleanup "db_open(db): $!" if $!;
		517	};
		518	cf::cleanup "db_open(db): $@" if $@;
		519	};
367	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
368	}	618	}
369		619
370	=back	620	=back
371		621
372	=cut	622	=cut
…		…
379	attach callbacks/event handlers (a collection of which is called an "attachment")	629	attach callbacks/event handlers (a collection of which is called an "attachment")
380	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
381		631
382	In the following description, CLASS can be any of C<global>, C<object>	632	In the following description, CLASS can be any of C<global>, C<object>
383	C<player>, C<client> or C<map> (i.e. the attachable objects in	633	C<player>, C<client> or C<map> (i.e. the attachable objects in
384	crossfire+).	634	Crossfire TRT).
385		635
386	=over 4	636	=over 4
387		637
388	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
389		639
…		…
503	our @CB_TYPE = (); # registry for type (cf-object class) based events	753	our @CB_TYPE = (); # registry for type (cf-object class) based events
504	our @CB_MAP = ();	754	our @CB_MAP = ();
505		755
506	my %attachment;	756	my %attachment;
507		757
		758	sub cf::attachable::thawer_merge {
		759	# simply override everything except _meta
		760	local $_[0]{_meta};
		761	%{$_[0]} = %{$_[1]};
		762	}
		763
508	sub _attach_cb($$$$) {	764	sub _attach_cb($$$$) {
509	my ($registry, $event, $prio, $cb) = @_;	765	my ($registry, $event, $prio, $cb) = @_;
510		766
511	use sort 'stable';	767	use sort 'stable';
512		768
…		…
546	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
547		803
548	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
549	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
550	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
551	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
552		808
553	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
554	my $pkg = shift @arg;	810	my $pkg = shift @arg;
555		811
556	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
585	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
586	}	842	}
587		843
588	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
589	} else {	845	} else {
590	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
591	}	847	}
592		848
593	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
594	}	850	}
595		851
…		…
597	if (ref $_[0]) {	853	if (ref $_[0]) {
598	_object_attach @_;	854	_object_attach @_;
599	} else {	855	} else {
600	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
601	}	857	}
		858	_recalc_want;
602	};	859	};
603		860
604	# all those should be optimised	861	# all those should be optimised
605	sub cf::attachable::detach {	862	sub cf::attachable::detach {
606	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
609	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
610	reattach ($obj);	867	reattach ($obj);
611	} else {	868	} else {
612	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
613	}	870	}
		871	_recalc_want;
614	};	872	};
615		873
616	sub cf::attachable::attached {	874	sub cf::attachable::attached {
617	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
618		876
…		…
633	";	891	";
634	die if $@;	892	die if $@;
635	}	893	}
636		894
637	our $override;	895	our $override;
638	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	896	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
639		897
640	sub override {	898	sub override {
641	$override = 1;	899	$override = 1;
642	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
643	}	901	}
644		902
645	sub do_invoke {	903	sub do_invoke {
646	my $event = shift;	904	my $event = shift;
647	my $callbacks = shift;	905	my $callbacks = shift;
648		906
649	@invoke_results = ();	907	@INVOKE_RESULTS = ();
650		908
651	local $override;	909	local $override;
652		910
653	for (@$callbacks) {	911	for (@$callbacks) {
654	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
671		929
672	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
673		931
674	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	932	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
675	removed in future versions), and there is no public API to access override	933	removed in future versions), and there is no public API to access override
676	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
677		935
678	=back	936	=back
679		937
680	=cut	938	=cut
681		939
682	#############################################################################	940	#############################################################################
683	# object support	941	# object support
		942	#
		943
		944	sub _can_merge {
		945	my ($ob1, $ob2) = @_;
		946
		947	local $Storable::canonical = 1;
		948	my $fob1 = Storable::freeze $ob1;
		949	my $fob2 = Storable::freeze $ob2;
		950
		951	$fob1 eq $fob2
		952	}
684		953
685	sub reattach {	954	sub reattach {
686	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
687	my ($obj) = @_;	956	my ($obj) = @_;
688		957
…		…
741	$filename, length $$rdata, scalar @$objs;	1010	$filename, length $$rdata, scalar @$objs;
742		1011
743	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1012	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
744	chmod SAVE_MODE, $fh;	1013	chmod SAVE_MODE, $fh;
745	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1014	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
746	aio_fsync $fh;	1015	aio_fsync $fh if $cf::USE_FSYNC;
747	close $fh;	1016	close $fh;
748		1017
749	if (@$objs) {	1018	if (@$objs) {
750	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1019	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
751	chmod SAVE_MODE, $fh;	1020	chmod SAVE_MODE, $fh;
752	my $data = Storable::nfreeze { version => 1, objs => $objs };	1021	my $data = Storable::nfreeze { version => 1, objs => $objs };
753	aio_write $fh, 0, (length $data), $data, 0;	1022	aio_write $fh, 0, (length $data), $data, 0;
754	aio_fsync $fh;	1023	aio_fsync $fh if $cf::USE_FSYNC;
755	close $fh;	1024	close $fh;
756	aio_rename "$filename.pst~", "$filename.pst";	1025	aio_rename "$filename.pst~", "$filename.pst";
757	}	1026	}
758	} else {	1027	} else {
759	aio_unlink "$filename.pst";	1028	aio_unlink "$filename.pst";
…		…
791	or return;	1060	or return;
792	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
793	}	1062	}
794		1063
795	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
796	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
797	return ($data, $av);	1066	return ($data, $av);
798	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
799		1074
800	#############################################################################	1075	#############################################################################
801	# command handling &c	1076	# command handling &c
802		1077
803	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
816	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
817	}	1092	}
818		1093
819	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
820		1095
821	Register a callbackf ro execution when the client sends an extcmd packet.	1096	Register a callback for execution when the client sends an (synchronous)
		1097	extcmd packet. Ext commands will be processed in the order they are
		1098	received by the server, like other user commands. The first argument is
		1099	the logged-in player. Ext commands can only be processed after a player
		1100	has logged in successfully.
822		1101
823	If the callback returns something, it is sent back as if reply was being	1102	If the callback returns something, it is sent back as if reply was being
824	called.	1103	called.
825		1104
		1105	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1106
		1107	Register a callback for execution when the client sends an (asynchronous)
		1108	exticmd packet. Exti commands are processed by the server as soon as they
		1109	are received, i.e. out of order w.r.t. other commands. The first argument
		1110	is a client socket. Exti commands can be received anytime, even before
		1111	log-in.
		1112
		1113	If the callback returns something, it is sent back as if reply was being
		1114	called.
		1115
826	=cut	1116	=cut
827		1117
828	sub register_extcmd {	1118	sub register_extcmd {
829	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
830		1120
831	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
832	}	1128	}
833		1129
834	cf::player->attach (	1130	cf::player->attach (
835	on_command => sub {	1131	on_command => sub {
836	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
845	cf::override;	1141	cf::override;
846	},	1142	},
847	on_extcmd => sub {	1143	on_extcmd => sub {
848	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
849		1145
850	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
851		1147
852	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
855	$pl->ext_reply ($msg->{msgid}, %reply);
856	}
857	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
858	} else {	1163	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1165	}
861		1166
862	cf::override;	1167	cf::override;
863	},	1168	},
864	);	1169	);
865		1170
866	sub load_extension {
867	my ($path) = @_;
868
869	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
870	my $base = $1;
871	my $pkg = $1;
872	$pkg =~ s/[^[:word:]]/_/g;
873	$pkg = "ext::$pkg";
874
875	warn "... loading '$path' into '$pkg'\n";
876
877	open my $fh, "<:utf8", $path
878	or die "$path: $!";
879
880	my $source =
881	"package $pkg; use strict; use utf8;\n"
882	. "#line 1 \"$path\"\n{\n"
883	. (do { local $/; <$fh> })
884	. "\n};\n1";
885
886	unless (eval $source) {
887	my $msg = $@ ? "$path: $@\n"
888	: "extension disabled.\n";
889	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
890	warn $@;
891	warn "mandatory extension failed to load, exiting.\n";
892	exit 1;
893	}
894	die $@;
895	}
896
897	push @EXTS, $pkg;
898	}
899
900	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
901	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1176	next unless -r $path;
903	eval {	1177
904	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
905	1	1235	}
906	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
907	}	1241	};
908	}	1242	}
909		1243
910	#############################################################################	1244	#############################################################################
911		1245
		1246	=back
		1247
912	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
913		1249
914	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
915		1251
916	=cut	1252	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
929		1265
930	=cut	1266	=cut
931		1267
932	sub playerdir($) {	1268	sub playerdir($) {
933	cf::localdir	1269	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1271	}
939		1272
940	sub path($) {	1273	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1275
943	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
944	}	1277	}
945		1278
946	sub find_active($) {	1279	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
951		1284
952	sub exists($) {	1285	sub exists($) {
953	my ($login) = @_;	1286	my ($login) = @_;
954		1287
955	$cf::PLAYER{$login}	1288	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1289	or cf::sync_job { !aio_stat path $login }
957	}	1290	}
958		1291
959	sub find($) {	1292	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1293	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1294	my $login = $_[0];
962		1295
963	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
964		1297
965	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
966	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
967	or return;	1307	or return;
968	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
969	}	1309	}
970	}	1310	}
…		…
982		1322
983	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
984	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
985		1325
986	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
987	Coro::cede;	1327	cf::cede_to_tick;
988	}	1328	}
989		1329
990	sub new($) {	1330	sub new($) {
991	my ($login) = @_;	1331	my ($login) = @_;
992		1332
…		…
998	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
999		1339
1000	$self	1340	$self
1001	}	1341	}
1002		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1003	=item $pl->quit_character	1353	=item $pl->quit_character
1004		1354
1005	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1007		1357
1008	=cut	1358	=cut
1009		1359
1010	sub quit_character {	1360	sub quit_character {
1011	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1012		1364
1013	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1367
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1026	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1027	}	1399	}
1028		1400
1029	=item cf::player::list_logins	1401	=item cf::player::list_logins
1030		1402
1031	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1033		1405
1034	=cut	1406	=cut
1035		1407
1036	sub list_logins {	1408	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1410	or return [];
1039		1411
1040	my @logins;	1412	my @logins;
1041		1413
1042	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1059	=cut	1431	=cut
1060		1432
1061	sub maps($) {	1433	sub maps($) {
1062	my ($pl) = @_;	1434	my ($pl) = @_;
1063		1435
		1436	$pl = ref $pl ? $pl->ob->name : $pl;
		1437
1064	my $files = aio_readdir playerdir $pl	1438	my $files = aio_readdir playerdir $pl
1065	or return;	1439	or return;
1066		1440
1067	my @paths;	1441	my @paths;
1068		1442
1069	for (@$files) {	1443	for (@$files) {
1070	utf8::decode $_;	1444	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1445	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1446	next unless /^$PATH_SEP/o;
1073		1447
1074	s/\.map$//;	1448	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1449	}
1077		1450
1078	\@paths	1451	\@paths
1079	}	1452	}
1080		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1082		1505
1083	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1084		1507
1085	=cut	1508	=cut
1086		1509
1087	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1089		1512
1090	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1091
1092	$self->send ("ext " . cf::to_json \%msg);
1093	}	1514	}
1094		1515
1095	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1096		1556
1097	=back	1557	=back
1098
1099		1558
1100	=head3 cf::map	1559	=head3 cf::map
1101		1560
1102	=over 4	1561	=over 4
1103		1562
…		…
1107		1566
1108	use Fcntl;	1567	use Fcntl;
1109	use Coro::AIO;	1568	use Coro::AIO;
1110		1569
1111	use overload	1570	use overload
1112	'""' => \&as_string;	1571	'""' => \&as_string,
		1572	fallback => 1;
1113		1573
1114	our $MAX_RESET = 3600;	1574	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1575	our $DEFAULT_RESET = 3000;
1116		1576
1117	sub generate_random_map {	1577	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1578	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1579	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1580	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1581	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1582	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1583	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1590	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1591	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1592	)
1134	}	1593	}
1135		1594
		1595	=item cf::map->register ($regex, $prio)
		1596
		1597	Register a handler for the map path matching the given regex at the
		1598	givne priority (higher is better, built-in handlers have priority 0, the
		1599	default).
		1600
		1601	=cut
		1602
1136	sub register {	1603	sub register {
1137	my (undef, $regex) = @_;	1604	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1605	my $pkg = caller;
1139		1606
1140	no strict;	1607	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1608	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1609
1143	$EXT_MAP{$pkg} = qr<$regex>;	1610	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1611	}
1145		1612
1146	# also paths starting with '/'	1613	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1614	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1615
		1616	sub thawer_merge {
		1617	my ($self, $merge) = @_;
		1618
		1619	# we have to keep some variables in memory intact
		1620	local $self->{path};
		1621	local $self->{load_path};
		1622
		1623	$self->SUPER::thawer_merge ($merge);
		1624	}
1148		1625
1149	sub normalise {	1626	sub normalise {
1150	my ($path, $base) = @_;	1627	my ($path, $base) = @_;
		1628
		1629	$path = "$path"; # make sure its a string
		1630
		1631	$path =~ s/\.map$//;
1151		1632
1152	# map plan:	1633	# map plan:
1153	#	1634	#
1154	# /! non-realised random map exit (special hack!)	1635	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1636	# {... are special paths that are not being touched
…		…
1183		1664
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1665	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1666
1186	$path = normalise $path, $base;	1667	$path = normalise $path, $base;
1187		1668
1188	for my $pkg (keys %EXT_MAP) {	1669	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1670	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1671	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1672	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1193	return $self;	1674	return $self;
1194	}	1675	}
1195	}	1676	}
1196		1677
1197	Carp::carp "unable to resolve path '$path'.";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1679	()
1199	}	1680	}
1200		1681
1201	sub init {	1682	sub init {
1202	my ($self) = @_;	1683	my ($self) = @_;
…		…
1217		1698
1218	# the original (read-only) location	1699	# the original (read-only) location
1219	sub load_path {	1700	sub load_path {
1220	my ($self) = @_;	1701	my ($self) = @_;
1221		1702
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1223	}	1704	}
1224		1705
1225	# the temporary/swap location	1706	# the temporary/swap location
1226	sub save_path {	1707	sub save_path {
1227	my ($self) = @_;	1708	my ($self) = @_;
1228		1709
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1231	}	1712	}
1232		1713
1233	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1234	sub uniq_path {	1715	sub uniq_path {
1235	my ($self) = @_;	1716	my ($self) = @_;
1236		1717
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1239	}	1720	}
1240		1721
1241	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1242	# all maps in C++...	1723	# all maps in C++...
1243	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1245		1726
1246	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1248	}	1729	}
1249		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1250	sub unlink_save {	1739	sub unlink_save {
1251	my ($self) = @_;	1740	my ($self) = @_;
1252		1741
1253	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1745	}
1257		1746
1258	sub load_header_from($) {	1747	sub load_header_from($) {
1259	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1260		1749
1261	utf8::encode $path;	1750	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1751	#aio_open $path, O_RDONLY, 0
1263	or return;	1752	# or return;
1264		1753
1265	$self->_load_header ($path)	1754	$self->_load_header ($path)
1266	or return;	1755	or return;
1267		1756
1268	$self->{load_path} = $path;	1757	$self->{load_path} = $path;
1269		1758
1270	1	1759	1
1271	}	1760	}
1272		1761
1273	sub load_orig {	1762	sub load_header_orig {
1274	my ($self) = @_;	1763	my ($self) = @_;
1275		1764
1276	$self->load_header_from ($self->load_path)	1765	$self->load_header_from ($self->load_path)
1277	}	1766	}
1278		1767
1279	sub load_temp {	1768	sub load_header_temp {
1280	my ($self) = @_;	1769	my ($self) = @_;
1281		1770
1282	$self->load_header_from ($self->save_path)	1771	$self->load_header_from ($self->save_path)
		1772	}
		1773
		1774	sub prepare_temp {
		1775	my ($self) = @_;
		1776
		1777	$self->last_access ((delete $self->{last_access})
		1778	|| $cf::RUNTIME); #d#
		1779	# safety
		1780	$self->{instantiate_time} = $cf::RUNTIME
		1781	if $self->{instantiate_time} > $cf::RUNTIME;
		1782	}
		1783
		1784	sub prepare_orig {
		1785	my ($self) = @_;
		1786
		1787	$self->{load_original} = 1;
		1788	$self->{instantiate_time} = $cf::RUNTIME;
		1789	$self->last_access ($cf::RUNTIME);
		1790	$self->instantiate;
1283	}	1791	}
1284		1792
1285	sub load_header {	1793	sub load_header {
1286	my ($self) = @_;	1794	my ($self) = @_;
1287		1795
1288	if ($self->load_temp) {	1796	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1797	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1798	} else {
1295	$self->load_orig	1799	$self->load_header_orig
1296	or return;	1800	or return;
1297		1801	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1802	}
		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
1303		1809
1304	1	1810	1
1305	}	1811	}
1306		1812
1307	sub find;	1813	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1321		1827
1322	$map->load_header	1828	$map->load_header
1323	or return;	1829	or return;
1324		1830
1325	if ($map->should_reset) {	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1832	# doing this can freeze the server in a sync job, obviously
		1833	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1834	$map->reset;
1327	undef $guard;	1835	undef $guard;
1328	$map = find $path	1836	return find $path;
1329	or return;
1330	}	1837	}
1331		1838
1332	$cf::MAP{$path} = $map	1839	$cf::MAP{$path} = $map
1333	}	1840	}
1334	}	1841	}
		1842
		1843	sub pre_load { }
		1844	sub post_load { }
1335		1845
1336	sub load {	1846	sub load {
1337	my ($self) = @_;	1847	my ($self) = @_;
1338		1848
		1849	local $self->{deny_reset} = 1; # loading can take a long time
		1850
1339	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1340	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1341		1856
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1858
1344	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1345		1860
1346	$self->alloc;	1861	$self->alloc;
		1862
		1863	$self->pre_load;
		1864	cf::cede_to_tick;
		1865
1347	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1348	or return;	1867	or return;
1349		1868
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1351	if delete $self->{load_original};	1870	if delete $self->{load_original};
1352		1871
1353	if (my $uniq = $self->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;	1873	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;	1875	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1358	}	1877	}
1359	}	1878	}
1360		1879
1361	Coro::cede;	1880	cf::cede_to_tick;
1362
1363	# now do the right thing for maps	1881	# now do the right thing for maps
1364	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;
1371	$self->set_darkness_map;
1372	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1884	unless $self->difficulty;
1374	Coro::cede;	1885	cf::cede_to_tick;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	cf::cede_to_tick;
		1892	$self->set_darkness_map;
		1893	cf::cede_to_tick;
1375	$self->activate;	1894	$self->activate;
1376	}	1895	}
1377		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1900	$self->in_memory (cf::MAP_IN_MEMORY);
		1901	}
		1902
		1903	$self->post_load;
1379	}	1904	}
1380		1905
1381	sub customise_for {	1906	sub customise_for {
1382	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1383		1908
1384	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1910	if $self->per_player;
1386		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1387	$self	1915	$self
1388	}	1916	}
1389		1917
1390	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1919	sub load_neighbours {
1392	my ($map) = @_;	1920	my ($map) = @_;
1393		1921
1394	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1395		1923
1396	for (0 .. 3) {	1924	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1398	or next;	1926	or next;
1399	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1400	or next;	1928	or next;
1401	$neigh->load;	1929	$neigh->load;
1402		1930
		1931	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1934	}
1406		1935
1407	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1409	or next;	1939	or next;
1410	$neigh->load;	1940	$neigh->load;
1411	}	1941	}
1412	}	1942	}
1413		1943
…		…
1418	}	1948	}
1419		1949
1420	sub do_load_sync {	1950	sub do_load_sync {
1421	my ($map) = @_;	1951	my ($map) = @_;
1422		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1423	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1424	}	1957	}
1425		1958
1426	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1960	our $MAP_PREFETCHER = undef;
1428	while () {
1429	for my $path (keys %MAP_PREFETCH) {
1430	my $map = find $path
1431	or next;
1432	$map->load;
1433
1434	delete $MAP_PREFETCH{$path};
1435	}
1436	Coro::schedule;
1437	}
1438	};
1439		1961
1440	sub find_async {	1962	sub find_async {
1441	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1442		1964
1443	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1444		1966
1445	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		1969	}
		1970
		1971	$MAP_PREFETCH{$path} |= $load;
		1972
		1973	$MAP_PREFETCHER ||= cf::async {
		1974	while (%MAP_PREFETCH) {
		1975	while (my ($k, $v) = each %MAP_PREFETCH) {
		1976	if (my $map = find $k) {
		1977	$map->load if $v;
		1978	}
		1979
		1980	delete $MAP_PREFETCH{$k};
		1981	}
		1982	}
		1983	undef $MAP_PREFETCHER;
1447	}	1984	};
1448
1449	$MAP_PREFETCH{$path} = 0;
1450	$MAP_PREFETCHER->ready;	1985	$MAP_PREFETCHER->prio (6);
1451		1986
1452	()	1987	()
1453	}	1988	}
1454		1989
1455	sub save {	1990	sub save {
1456	my ($self) = @_;	1991	my ($self) = @_;
1457		1992
1458	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1459		1994
1460	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1461		1996
1462	return unless $self->dirty;	1997	return unless $self->dirty;
1463		1998
…		…
1486	my ($self) = @_;	2021	my ($self) = @_;
1487		2022
1488	# save first because save cedes	2023	# save first because save cedes
1489	$self->save;	2024	$self->save;
1490		2025
1491	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1492		2027
1493	return if $self->players;	2028	return if $self->players;
1494	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1495	return if $self->{deny_save};	2030	return if $self->{deny_save};
1496		2031
…		…
1500		2035
1501	sub reset_at {	2036	sub reset_at {
1502	my ($self) = @_;	2037	my ($self) = @_;
1503		2038
1504	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1505	return 1e99 if $self->isa ("ext::map_per_player");#d#
1506	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1507		2041
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2044
…		…
1515	my ($self) = @_;	2049	my ($self) = @_;
1516		2050
1517	$self->reset_at <= $cf::RUNTIME	2051	$self->reset_at <= $cf::RUNTIME
1518	}	2052	}
1519		2053
1520	sub rename {
1521	my ($self, $new_path) = @_;
1522
1523	normalise $new_path;
1524
1525	$self->unlink_save;
1526
1527	delete $cf::MAP{$self->path};
1528	$self->{path} = $new_path; $self->path ($self->{path});
1529	$cf::MAP{$self->path} = $self;
1530
1531	$self->save;
1532	}
1533
1534	sub reset {	2054	sub reset {
1535	my ($self) = @_;	2055	my ($self) = @_;
1536		2056
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2058
1539	return if $self->players;	2059	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2060
1542	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
		2062
		2063	$self->in_memory (cf::MAP_SWAPPED);
		2064
		2065	# need to save uniques path
		2066	unless ($self->{deny_save}) {
		2067	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2068
		2069	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2070	if $uniq;
		2071	}
1543		2072
1544	delete $cf::MAP{$self->path};	2073	delete $cf::MAP{$self->path};
1545		2074
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2075	$self->clear;
1548		2076
1549	$_->clear_links_to ($self) for values %cf::MAP;	2077	$_->clear_links_to ($self) for values %cf::MAP;
1550		2078
1551	$self->unlink_save;	2079	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2083	my $nuke_counter = "aaaa";
1556		2084
1557	sub nuke {	2085	sub nuke {
1558	my ($self) = @_;	2086	my ($self) = @_;
1559		2087
		2088	delete $cf::MAP{$self->path};
		2089
		2090	$self->unlink_save;
		2091
		2092	bless $self, "cf::map";
		2093	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2094	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2095	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2096	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2097
		2098	$cf::MAP{$self->path} = $self;
		2099
1563	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
		2101	}
		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
1564	}	2137	}
1565		2138
1566	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1567		2140
1568	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2142	instantiated unique items. May block.
1570		2143
1571	=cut	2144	=cut
1572		2145
1573	sub unique_maps() {	2146	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1575	or return;	2148	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2149	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2150	/\.map$/
1585	push @paths, $_;	2151	? normalise $_
		2152	: ()
		2153	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2154	]
1587
1588	\@paths
1589	}	2155	}
1590		2156
1591	package cf;	2157	package cf;
1592		2158
1593	=back	2159	=back
…		…
1639		2205
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2207
1642	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1644	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1647	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1648	}	2233	}
1649		2234
1650	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1651		2236
1652	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2269	=cut
1685		2270
1686	sub link_map {	2271	sub link_map {
1687	unless ($LINK_MAP) {	2272	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2273	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2274	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2275	$LINK_MAP->load;
1691	}	2276	}
1692		2277
1693	$LINK_MAP	2278	$LINK_MAP
1694	}	2279	}
…		…
1699	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1700		2285
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2287
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1705		2290
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2292	}
1708		2293
1709	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1711		2298
1712	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1713		2300
1714	unless ($map) {	2301	unless ($map) {
1715	# restore original map position	2302	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1732		2319
1733	$map->load;	2320	$map->load;
1734	$map->load_diag;	2321	$map->load_neighbours;
1735		2322
1736	return unless $self->contr->active;	2323	return unless $self->contr->active;
1737	$self->activate_recursive;	2324	$self->activate_recursive;
		2325
		2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1739	}	2328	}
1740		2329
1741	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2331
1745	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1749	};	2336	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2337
1755	# try to abort aborted map switching on player login :)
1756	# should happen only on crashes
1757	if ($pl->ob->{_link_pos}) {
1758	$pl->ob->enter_link;
1759	(async {
1760	# we need this sleep as the login has a concurrent enter_exit running
1761	# and this sleep increases chances of the player not ending up in scorn
1762	$pl->ob->reply (undef,
1763	"There was an internal problem at your last logout, "
1764	. "the server will try to bring you to your intended destination in a second.",
1765	cf::NDI_RED);
1766	Coro::Timer::sleep 1;
1767	$pl->ob->leave_link;
1768	})->prio (2);
1769	}
1770	},
1771	);
1772
1773	=item $player_object->goto ($path, $x, $y)
1774
1775	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1776		2341
1777	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2347
1780	$self->enter_link;	2348	$self->enter_link;
1781		2349
1782	(async {	2350	(async {
		2351	my $map = eval {
1783	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
1785		2356	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2357	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
1790		2360
		2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
		2367	}
		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1792	})->prio (1);	2375	})->prio (1);
1793	}	2376	}
1794		2377
1795	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1796		2379
…		…
1798		2381
1799	sub parse_random_map_params {	2382	sub parse_random_map_params {
1800	my ($spec) = @_;	2383	my ($spec) = @_;
1801		2384
1802	my $rmp = { # defaults	2385	my $rmp = { # defaults
1803	xsize => 10,	2386	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2387	ysize => (cf::rndm 15, 40),
		2388	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2389	#layout => string,
1805	};	2390	};
1806		2391
1807	for (split /\n/, $spec) {	2392	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2393	my ($k, $v) = split /\s+/, $_, 2;
1809		2394
…		…
1813	$rmp	2398	$rmp
1814	}	2399	}
1815		2400
1816	sub prepare_random_map {	2401	sub prepare_random_map {
1817	my ($exit) = @_;	2402	my ($exit) = @_;
		2403
		2404	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2405
1819	# all this does is basically replace the /! path by	2406	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2407	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2408	# that depends on the exit object
1822		2409
1823	my $rmp = parse_random_map_params $exit->msg;	2410	my $rmp = parse_random_map_params $exit->msg;
1824		2411
1825	if ($exit->map) {	2412	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2413	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2414	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2415	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2416	$rmp->{origin_y} = $exit->y;
1830	}	2417	}
1831		2418
1832	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1833		2420
1834	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
		2423	my $meta = "$RANDOMDIR/$md5.meta";
1836		2424
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
		2427	undef $fh;
		2428	aio_rename "$meta~", $meta;
1839		2429
1840	$exit->slaying ("?random/$md5");	2430	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2431	$exit->msg (undef);
1842	}	2432	}
1843	}	2433	}
…		…
1845	sub cf::object::player::enter_exit {	2435	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2436	my ($self, $exit) = @_;
1847		2437
1848	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1849		2439
		2440	if ($exit->slaying eq "/!") {
		2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
		2444	cf::sync_job { prepare_random_map $exit };
		2445	}
		2446
		2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2448	my $hp = $exit->stats->hp;
		2449	my $sp = $exit->stats->sp;
		2450
1850	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1851		2456
1852	(async {	2457	(async {
1853	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2459	unless (eval {
1855	prepare_random_map $exit	2460	$self->goto ($slaying, $hp, $sp);
1856	if $exit->slaying eq "/!";
1857
1858	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1859	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1860		2461
1861	1;	2462	1;
1862	}) {	2463	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2468
1868	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2470	$self->leave_link;
1870	}	2471	}
1871	})->prio (1);	2472	})->prio (1);
…		…
1884		2485
1885	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1887		2488
1888	utf8::encode $text;	2489	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2491	}
1891		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
1892		2589
1893	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
1894		2591
1895	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
1896	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1897	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2595
1899	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2597	become reliable at some point in the future.
1901		2598
1902	=cut	2599	=cut
1903		2600
1904	sub cf::client::query {	2601	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2610	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2612
1916	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
1918	}	2617	}
1919		2618
1920	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
1921	on_reply => sub {	2625	on_reply => sub {
1922	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
1923		2627
1924	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
1925	# get handled first	2629	# get handled first
1926	my $queue = delete $ns->{query_queue}	2630	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2631	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2632
1929	(shift @$queue)->[1]->($msg);	2633	(shift @$queue)->[1]->($msg);
		2634	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2635
1931	push @{ $ns->{query_queue} }, @$queue;	2636	push @{ $ns->{query_queue} }, @$queue;
1932		2637
1933	if (@{ $ns->{query_queue} } == @$queue) {	2638	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2639	if (@$queue) {
…		…
1936	} else {	2641	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2643	}
1939	}	2644	}
1940	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
1941	);	2672	);
1942		2673
1943	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
1944		2675
1945	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
1988		2719
1989	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
1990		2721
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
1992		2727
1993	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
1994		2729
1995	=pod	2730	=pod
1996		2731
1997	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
1998		2733
1999	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2000	cf::object::player player	2738	cf::object::player
2001	cf::player peaceful	2739	player
2002	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2003		2746
2004	=cut	2747	=cut
2005		2748
2006	for (	2749	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2008	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2011	) {	2756	) {
2012	no strict 'refs';	2757	no strict 'refs';
…		…
2083	=back	2828	=back
2084		2829
2085	=cut	2830	=cut
2086		2831
2087	#############################################################################	2832	#############################################################################
		2833	# the server's init and main functions
2088		2834
2089	=head2 EXTENSION DATABASE SUPPORT	2835	sub load_facedata($) {
		2836	my ($path) = @_;
2090		2837
2091	Crossfire maintains a very simple database for extension use. It can	2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2839
2095	The parameter C<$family> should best start with the name of the extension	2840	warn "loading facedata from $path\n";
2096	using it, it should be unique.
2097		2841
2098	=over 4	2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
2099		2845
2100	=item $hashref = cf::db_get $family	2846	$facedata = Coro::Storable::thaw $facedata;
2101		2847
2102	Return a hashref for use by the extension C<$family>, which can be	2848	$facedata->{version} == 2
2103	modified. After modifications, you have to call C<cf::db_dirty> or	2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
2104	C<cf::db_sync>.
2105		2850
2106	=item $value = cf::db_get $family => $key	2851	# patch in the exptable
2107		2852	$facedata->{resource}{"res/exp_table"} = {
2108	Returns a single value from the database	2853	type => FT_RSRC,
2109		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2110	=item cf::db_put $family => $hashref
2111
2112	Stores the given family hashref into the database. Updates are delayed, if
2113	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2114
2115	=item cf::db_put $family => $key => $value
2116
2117	Stores the given C<$value> in the family hash. Updates are delayed, if you
2118	want the data to be synced to disk immediately, use C<cf::db_sync>.
2119
2120	=item cf::db_dirty
2121
2122	Marks the database as dirty, to be updated at a later time.
2123
2124	=item cf::db_sync
2125
2126	Immediately write the database to disk I<if it is dirty>.
2127
2128	=cut
2129
2130	our $DB;
2131
2132	{
2133	my $path = cf::localdir . "/database.pst";
2134
2135	sub db_load() {
2136	$DB = stat $path ? Storable::retrieve $path : { };
2137	}
2138
2139	my $pid;
2140
2141	sub db_save() {
2142	waitpid $pid, 0 if $pid;
2143	if (0 == ($pid = fork)) {
2144	$DB->{_meta}{version} = 1;
2145	Storable::nstore $DB, "$path~";
2146	rename "$path~", $path;
2147	cf::_exit 0 if defined $pid;
2148	}
2149	}
2150
2151	my $dirty;
2152
2153	sub db_sync() {
2154	db_save if $dirty;
2155	undef $dirty;
2156	}
2157
2158	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2159	db_sync;
2160	});	2855	};
		2856	cf::cede_to_tick;
2161		2857
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}	2858	{
		2859	my $faces = $facedata->{faceinfo};
2166		2860
2167	sub db_get($;$) {	2861	while (my ($face, $info) = each %$faces) {
2168	@_ >= 2	2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2169	? $DB->{$_[0]}{$_[1]}	2863	cf::face::set_visibility $idx, $info->{visibility};
2170	: ($DB->{$_[0]} ||= { })	2864	cf::face::set_magicmap $idx, $info->{magicmap};
2171	}	2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2172		2867
2173	sub db_put($$;$) {	2868	cf::cede_to_tick;
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2869	}
2187	);
2188	}
2189		2870
2190	#############################################################################	2871	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
2192		2881
2193	sub cfg_load {	2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
		2959	or die "unable to load regions file\n";
		2960
		2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	3005	or return;
2196		3006
2197	local $/;	3007	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2199		3009
…		…
2213		3023
2214	sub main {	3024	sub main {
2215	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3027	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		3028	(async {
2218	async { Event::one_event };	3029	Event::one_event;
		3030	})->prio (Coro::PRIO_MAX);
2219	};	3031	};
2220		3032
2221	cfg_load;	3033	reload_config;
2222	db_load;	3034	db_init;
2223	load_extensions;	3035	load_extensions;
		3036
		3037	$TICK_WATCHER->start;
2224	Event::loop;	3038	Event::loop;
2225	}	3039	}
2226		3040
2227	#############################################################################	3041	#############################################################################
2228	# initialisation and cleanup	3042	# initialisation and cleanup
2229		3043
2230	# install some emergency cleanup handlers	3044	# install some emergency cleanup handlers
2231	BEGIN {	3045	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3046	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3047	Event->signal (
		3048	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3049	data => WF_AUTOCANCEL,
2235	signal => $signal,	3050	signal => $signal,
		3051	prio => 0,
2236	cb => sub {	3052	cb => sub {
2237	cf::cleanup "SIG$signal";	3053	cf::cleanup "SIG$signal";
2238	},	3054	},
2239	);	3055	);
2240	}	3056	}
		3057	}
		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
2241	}	3095	}
2242		3096
2243	sub emergency_save() {	3097	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2245		3099
…		…
2262	my $map = $cf::MAP{$path} or next;	3116	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3117	$map->valid or next;
2264	$map->save;	3118	$map->save;
2265	}	3119	}
2266	warn "end emergency map save\n";	3120	warn "end emergency map save\n";
		3121
		3122	warn "begin emergency database checkpoint\n";
		3123	BDB::db_env_txn_checkpoint $DB_ENV;
		3124	warn "end emergency database checkpoint\n";
2267	};	3125	};
2268		3126
2269	warn "leave emergency perl save\n";	3127	warn "leave emergency perl save\n";
2270	}	3128	}
2271		3129
		3130	sub post_cleanup {
		3131	my ($make_core) = @_;
		3132
		3133	warn Carp::longmess "post_cleanup backtrace"
		3134	if $make_core;
		3135	}
		3136
2272	sub reload() {	3137	sub do_reload_perl() {
2273	# can/must only be called in main	3138	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3140	warn "can only reload from main coroutine";
2276	return;	3141	return;
2277	}	3142	}
2278		3143
2279	warn "reloading...";	3144	warn "reloading...";
2280		3145
2281	warn "freezing server";	3146	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3147
		3148	cf::sync_job {
		3149	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3150	cf::emergency_save;
		3151	cf::write_runtime; # external watchdog should not bark
2284		3152
2285	warn "sync database to disk";	3153	warn "syncing database to disk";
2286	cf::db_sync;	3154	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3155
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3156	# if anything goes wrong in here, we should simply crash as we already saved
2291		3157
2292	warn "cancel all watchers";	3158	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3159	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3160	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3161	}
2296		3162
		3163	warn "flushing outstanding aio requests";
		3164	for (;;) {
		3165	BDB::flush;
		3166	IO::AIO::flush;
		3167	Coro::cede;
		3168	last unless IO::AIO::nreqs || BDB::nreqs;
		3169	warn "iterate...";
		3170	}
		3171
		3172	++$RELOAD;
		3173
2297	warn "cancel all extension coros";	3174	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3176	%EXT_CORO = ();
2300		3177
2301	warn "remove commands";	3178	warn "removing commands";
2302	%COMMAND = ();	3179	%COMMAND = ();
2303		3180
2304	warn "remove ext commands";	3181	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2306		3184
2307	warn "unload/nuke all extensions";	3185	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2310		3188
2311	if (my $cb = $pkg->can ("unload")) {	3189	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3190	eval {
…		…
2317		3195
2318	warn "... nuking $pkg";	3196	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3197	Symbol::delete_package $pkg;
2320	}	3198	}
2321		3199
2322	warn "unload all perl modules loaded from $LIBDIR";	3200	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3201	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3202	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3203
2326	warn "removing <$k>";	3204	warn "... unloading $k";
2327	delete $INC{$k};	3205	delete $INC{$k};
2328		3206
2329	$k =~ s/\.pm$//;	3207	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3208	$k =~ s/\//::/g;
2331		3209
…		…
2334	}	3212	}
2335		3213
2336	Symbol::delete_package $k;	3214	Symbol::delete_package $k;
2337	}	3215	}
2338		3216
2339	warn "get rid of safe::, as good as possible";	3217	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3220
2343	warn "unload cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2345		3224
2346	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3226	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2349		3228
		3229	warn "unload completed, starting to reload now";
		3230
2350	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2351	require cf;	3232	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3234
2354	warn "load config and database again";	3235	warn "loading config and database again";
2355	cf::cfg_load;	3236	cf::reload_config;
2356	cf::db_load;
2357		3237
2358	warn "load extensions";	3238	warn "loading extensions";
2359	cf::load_extensions;	3239	cf::load_extensions;
2360		3240
2361	warn "reattach attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3242	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3243	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2365	};	3245	warn "reattaching attachments to players";
		3246	reattach $_ for values %PLAYER;
2366		3247
2367	if ($@) {	3248	warn "leaving sync_job";
		3249
		3250	1
		3251	} or do {
2368	warn $@;	3252	warn $@;
2369	warn "error while reloading, exiting.";	3253	warn "error while reloading, exiting.";
2370	exit 1;	3254	exit 1;
2371	}	3255	};
2372		3256
2373	warn "reloaded";	3257	warn "reloaded";
2374	};	3258	};
2375		3259
		3260	our $RELOAD_WATCHER; # used only during reload
		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2376	register_command "reload" => sub {	3277	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2378		3279
2379	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3281	$who->message ("reloading server.");
		3282	async { reload_perl };
2383	}	3283	}
2384	};	3284	};
2385		3285
2386	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2387		3287
		3288	my $bug_warning = 0;
		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3314	reentrant => 0,
		3315	parked => 1,
2390	prio => 0,	3316	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3318	data => WF_AUTOCANCEL,
2393	cb => sub {	3319	cb => sub {
		3320	if ($Coro::current != $Coro::main) {
		3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3322	unless ++$bug_warning > 10;
		3323	return;
		3324	}
		3325
2394	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2395		3327
2396	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2397	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2399		3355
2400	$WAIT_FOR_TICK->broadcast;	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3358	Coro::async_pool {
		3359	write_runtime
		3360	or warn "ERROR: unable to write runtime file: $!";
		3361	};
		3362	}
		3363
		3364	# my $AFTER = Event::time;
		3365	# warn $AFTER - $NOW;#d#
		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
2402		3375
2403	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3378
2406	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2408	},	3388	},
2409	);	3389	);
2410		3390
		3391	{
		3392	BDB::max_poll_time $TICK * 0.1;
		3393	$BDB_POLL_WATCHER = Event->io (
		3394	reentrant => 0,
		3395	fd => BDB::poll_fileno,
		3396	poll => 'r',
		3397	prio => 0,
		3398	data => WF_AUTOCANCEL,
		3399	cb => \&BDB::poll_cb,
		3400	);
		3401	BDB::min_parallel 8;
		3402
		3403	BDB::set_sync_prepare {
		3404	my $status;
		3405	my $current = $Coro::current;
		3406	(
		3407	sub {
		3408	$status = $!;
		3409	$current->ready; undef $current;
		3410	},
		3411	sub {
		3412	Coro::schedule while defined $current;
		3413	$! = $status;
		3414	},
		3415	)
		3416	};
		3417
		3418	unless ($DB_ENV) {
		3419	$DB_ENV = BDB::db_env_create;
		3420
		3421	cf::sync_job {
		3422	eval {
		3423	BDB::db_env_open
		3424	$DB_ENV,
		3425	$BDBDIR,
		3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3428	0666;
		3429
		3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3431
		3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3433	$DB_ENV->set_lk_detect;
		3434	};
		3435
		3436	cf::cleanup "db_env_open(db): $@" if $@;
		3437	};
		3438	}
		3439	}
		3440
		3441	{
		3442	IO::AIO::min_parallel 8;
		3443
		3444	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3445	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3446	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3447	reentrant => 0,
2415	poll => 'r',
2416	prio => 5,
2417	data => WF_AUTOCANCEL,
2418	cb => \&IO::AIO::poll_cb,
2419	);
2420
2421	$WRITE_RUNTIME_WATCHER = Event->timer (
2422	data => WF_AUTOCANCEL,	3448	data => WF_AUTOCANCEL,
2423	after => 0,	3449	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3450	poll => 'r',
2425	cb => sub {	3451	prio => 6,
2426	(Coro::unblock_sub {	3452	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3453	);
2428	or warn "ERROR: unable to write runtime file: $!";	3454	}
		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
2429	})->();	3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3491	}
2431	);	3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
2432		3496
2433	END { cf::emergency_save }	3497	END { cf::emergency_save }
2434		3498
2435	1	3499	1
2436		3500

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