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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 1.333 by root, Sun Aug 19 09:14:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.3 ();	15	use Coro 3.64 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::Event;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 1.4 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
23	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
24	use YAML::Syck ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		42
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	43	$Event::Eval = 1; # no idea why this is required, but it is
28
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30		44
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	45	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
33		47
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	48	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
36	our %COMMAND = ();	52	our %COMMAND = ();
37	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
38		54
39	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
43		60
		61	our $RELOAD; # number of reloads so far
44	our @EVENT;	62	our @EVENT;
45	our $LIBDIR = datadir . "/ext";
46		63
47	our $TICK = MAX_TIME * 1e-6;	64	our $CONFDIR = confdir;
		65	our $DATADIR = datadir;
		66	our $LIBDIR = "$DATADIR/ext";
		67	our $PODDIR = "$DATADIR/pod";
		68	our $MAPDIR = "$DATADIR/" . mapdir;
		69	our $LOCALDIR = localdir;
		70	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		71	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		72	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		73	our $RANDOMDIR = "$LOCALDIR/random";
		74	our $BDBDIR = "$LOCALDIR/db";
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
48	our $TICK_WATCHER;	77	our $TICK_WATCHER;
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	Coro::cede;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
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
853	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
854	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
855	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
856	}	1158	if $reply;
857	}	1159	}
858	} else {	1160	} else {
859	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
860	}	1162	}
861		1163
862	cf::override;	1164	cf::override;
863	},	1165	},
864	);	1166	);
865		1167
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 {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
901	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
902	next unless -r $ext;	1173	next unless -r $path;
903	eval {	1174
904	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
905	1	1232	}
906	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
907	}	1238	};
908	}	1239	}
909		1240
910	#############################################################################	1241	#############################################################################
911		1242
		1243	=back
		1244
912	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
913		1246
914	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
915		1248
916	=cut	1249	=cut
…		…
928	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
929		1262
930	=cut	1263	=cut
931		1264
932	sub playerdir($) {	1265	sub playerdir($) {
933	cf::localdir	1266	"$PLAYERDIR/"
934	. "/"
935	. cf::playerdir
936	. "/"
937	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
938	}	1268	}
939		1269
940	sub path($) {	1270	sub path($) {
941	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942		1272
943	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
944	}	1274	}
945		1275
946	sub find_active($) {	1276	sub find_active($) {
947	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
948	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
951		1281
952	sub exists($) {	1282	sub exists($) {
953	my ($login) = @_;	1283	my ($login) = @_;
954		1284
955	$cf::PLAYER{$login}	1285	$cf::PLAYER{$login}
956	or cf::sync_job { !aio_stat $login }	1286	or cf::sync_job { !aio_stat path $login }
957	}	1287	}
958		1288
959	sub find($) {	1289	sub find($) {
960	return $cf::PLAYER{$_[0]} || do {	1290	return $cf::PLAYER{$_[0]} || do {
961	my $login = $_[0];	1291	my $login = $_[0];
962		1292
963	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
964		1294
965	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
966	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
967	or return;	1304	or return;
968	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
969	}	1306	}
970	}	1307	}
…		…
998	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
999		1336
1000	$self	1337	$self
1001	}	1338	}
1002		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1003	=item $pl->quit_character	1350	=item $pl->quit_character
1004		1351
1005	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1006	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1007		1354
1008	=cut	1355	=cut
1009		1356
1010	sub quit_character {	1357	sub quit_character {
1011	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1012		1361
1013	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1014	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1015		1364
1016	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1021	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1022	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1023	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1024	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1025	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1026	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1027	}	1396	}
1028		1397
1029	=item cf::player::list_logins	1398	=item cf::player::list_logins
1030		1399
1031	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1032	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1033		1402
1034	=cut	1403	=cut
1035		1404
1036	sub list_logins {	1405	sub list_logins {
1037	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1038	or return [];	1407	or return [];
1039		1408
1040	my @logins;	1409	my @logins;
1041		1410
1042	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1059	=cut	1428	=cut
1060		1429
1061	sub maps($) {	1430	sub maps($) {
1062	my ($pl) = @_;	1431	my ($pl) = @_;
1063		1432
		1433	$pl = ref $pl ? $pl->ob->name : $pl;
		1434
1064	my $files = aio_readdir playerdir $pl	1435	my $files = aio_readdir playerdir $pl
1065	or return;	1436	or return;
1066		1437
1067	my @paths;	1438	my @paths;
1068		1439
1069	for (@$files) {	1440	for (@$files) {
1070	utf8::decode $_;	1441	utf8::decode $_;
1071	next if /\.(?:pl|pst)$/;	1442	next if /\.(?:pl|pst)$/;
1072	next unless /^$PATH_SEP/o;	1443	next unless /^$PATH_SEP/o;
1073		1444
1074	s/\.map$//;	1445	push @paths, cf::map::normalise "~$pl/$_";
1075	push @paths, "~" . $pl->ob->name . "/" . $_;
1076	}	1446	}
1077		1447
1078	\@paths	1448	\@paths
1079	}	1449	}
1080		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1081	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1082		1502
1083	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1084		1504
1085	=cut	1505	=cut
1086		1506
1087	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1088	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1089		1509
1090	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1091		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1092	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1093	}	1517	}
1094		1518
1095	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1096		1559
1097	=back	1560	=back
1098
1099		1561
1100	=head3 cf::map	1562	=head3 cf::map
1101		1563
1102	=over 4	1564	=over 4
1103		1565
…		…
1107		1569
1108	use Fcntl;	1570	use Fcntl;
1109	use Coro::AIO;	1571	use Coro::AIO;
1110		1572
1111	use overload	1573	use overload
1112	'""' => \&as_string;	1574	'""' => \&as_string,
		1575	fallback => 1;
1113		1576
1114	our $MAX_RESET = 3600;	1577	our $MAX_RESET = 3600;
1115	our $DEFAULT_RESET = 3000;	1578	our $DEFAULT_RESET = 3000;
1116		1579
1117	sub generate_random_map {	1580	sub generate_random_map {
1118	my ($self, $rmp) = @_;	1581	my ($self, $rmp) = @_;
1119
1120	# mit "rum" bekleckern, nicht	1582	# mit "rum" bekleckern, nicht
1121	$self->_create_random_map (	1583	$self->_create_random_map (
1122	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1584	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1123	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1585	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1124	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1586	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
…		…
1131	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1593	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1132	(cf::region::find $rmp->{region}), $rmp->{custom}	1594	(cf::region::find $rmp->{region}), $rmp->{custom}
1133	)	1595	)
1134	}	1596	}
1135		1597
		1598	=item cf::map->register ($regex, $prio)
		1599
		1600	Register a handler for the map path matching the given regex at the
		1601	givne priority (higher is better, built-in handlers have priority 0, the
		1602	default).
		1603
		1604	=cut
		1605
1136	sub register {	1606	sub register {
1137	my (undef, $regex) = @_;	1607	my (undef, $regex, $prio) = @_;
1138	my $pkg = caller;	1608	my $pkg = caller;
1139		1609
1140	no strict;	1610	no strict;
1141	push @{"$pkg\::ISA"}, __PACKAGE__;	1611	push @{"$pkg\::ISA"}, __PACKAGE__;
1142		1612
1143	$EXT_MAP{$pkg} = qr<$regex>;	1613	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1144	}	1614	}
1145		1615
1146	# also paths starting with '/'	1616	# also paths starting with '/'
1147	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1617	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1618
		1619	sub thawer_merge {
		1620	my ($self, $merge) = @_;
		1621
		1622	# we have to keep some variables in memory intact
		1623	local $self->{path};
		1624	local $self->{load_path};
		1625
		1626	$self->SUPER::thawer_merge ($merge);
		1627	}
1148		1628
1149	sub normalise {	1629	sub normalise {
1150	my ($path, $base) = @_;	1630	my ($path, $base) = @_;
		1631
		1632	$path = "$path"; # make sure its a string
		1633
		1634	$path =~ s/\.map$//;
1151		1635
1152	# map plan:	1636	# map plan:
1153	#	1637	#
1154	# /! non-realised random map exit (special hack!)	1638	# /! non-realised random map exit (special hack!)
1155	# {... are special paths that are not being touched	1639	# {... are special paths that are not being touched
…		…
1183		1667
1184	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1668	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185		1669
1186	$path = normalise $path, $base;	1670	$path = normalise $path, $base;
1187		1671
1188	for my $pkg (keys %EXT_MAP) {	1672	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1189	if ($path =~ $EXT_MAP{$pkg}) {	1673	if ($path =~ $EXT_MAP{$pkg}[1]) {
1190	my $self = bless cf::map::new, $pkg;	1674	my $self = bless cf::map::new, $pkg;
1191	$self->{path} = $path; $self->path ($path);	1675	$self->{path} = $path; $self->path ($path);
1192	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1193	return $self;	1677	return $self;
1194	}	1678	}
1195	}	1679	}
1196		1680
1197	Carp::carp "unable to resolve path '$path'.";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1198	()	1682	()
1199	}	1683	}
1200		1684
1201	sub init {	1685	sub init {
1202	my ($self) = @_;	1686	my ($self) = @_;
…		…
1217		1701
1218	# the original (read-only) location	1702	# the original (read-only) location
1219	sub load_path {	1703	sub load_path {
1220	my ($self) = @_;	1704	my ($self) = @_;
1221		1705
1222	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1223	}	1707	}
1224		1708
1225	# the temporary/swap location	1709	# the temporary/swap location
1226	sub save_path {	1710	sub save_path {
1227	my ($self) = @_;	1711	my ($self) = @_;
1228		1712
1229	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230	sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1231	}	1715	}
1232		1716
1233	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1234	sub uniq_path {	1718	sub uniq_path {
1235	my ($self) = @_;	1719	my ($self) = @_;
1236		1720
1237	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1239	}	1723	}
1240		1724
1241	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1242	# all maps in C++...	1726	# all maps in C++...
1243	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1245		1729
1246	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1247	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1248	}	1732	}
1249		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1250	sub unlink_save {	1742	sub unlink_save {
1251	my ($self) = @_;	1743	my ($self) = @_;
1252		1744
1253	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1254	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1255	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1256	}	1748	}
1257		1749
1258	sub load_header_from($) {	1750	sub load_header_from($) {
1259	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1260		1752
1261	utf8::encode $path;	1753	utf8::encode $path;
1262	aio_open $path, O_RDONLY, 0	1754	#aio_open $path, O_RDONLY, 0
1263	or return;	1755	# or return;
1264		1756
1265	$self->_load_header ($path)	1757	$self->_load_header ($path)
1266	or return;	1758	or return;
1267		1759
1268	$self->{load_path} = $path;	1760	$self->{load_path} = $path;
1269		1761
1270	1	1762	1
1271	}	1763	}
1272		1764
1273	sub load_orig {	1765	sub load_header_orig {
1274	my ($self) = @_;	1766	my ($self) = @_;
1275		1767
1276	$self->load_header_from ($self->load_path)	1768	$self->load_header_from ($self->load_path)
1277	}	1769	}
1278		1770
1279	sub load_temp {	1771	sub load_header_temp {
1280	my ($self) = @_;	1772	my ($self) = @_;
1281		1773
1282	$self->load_header_from ($self->save_path)	1774	$self->load_header_from ($self->save_path)
		1775	}
		1776
		1777	sub prepare_temp {
		1778	my ($self) = @_;
		1779
		1780	$self->last_access ((delete $self->{last_access})
		1781	|| $cf::RUNTIME); #d#
		1782	# safety
		1783	$self->{instantiate_time} = $cf::RUNTIME
		1784	if $self->{instantiate_time} > $cf::RUNTIME;
		1785	}
		1786
		1787	sub prepare_orig {
		1788	my ($self) = @_;
		1789
		1790	$self->{load_original} = 1;
		1791	$self->{instantiate_time} = $cf::RUNTIME;
		1792	$self->last_access ($cf::RUNTIME);
		1793	$self->instantiate;
1283	}	1794	}
1284		1795
1285	sub load_header {	1796	sub load_header {
1286	my ($self) = @_;	1797	my ($self) = @_;
1287		1798
1288	if ($self->load_temp) {	1799	if ($self->load_header_temp) {
1289	$self->last_access ((delete $self->{last_access})	1800	$self->prepare_temp;
1290	|| $cf::RUNTIME); #d#
1291	# safety
1292	$self->{instantiate_time} = $cf::RUNTIME
1293	if $self->{instantiate_time} > $cf::RUNTIME;
1294	} else {	1801	} else {
1295	$self->load_orig	1802	$self->load_header_orig
1296	or return;	1803	or return;
1297		1804	$self->prepare_orig;
1298	$self->{load_original} = 1;
1299	$self->{instantiate_time} = $cf::RUNTIME;
1300	$self->last_access ($cf::RUNTIME);
1301	$self->instantiate;
1302	}	1805	}
		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
1303		1812
1304	1	1813	1
1305	}	1814	}
1306		1815
1307	sub find;	1816	sub find;
…		…
1320	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1321		1830
1322	$map->load_header	1831	$map->load_header
1323	or return;	1832	or return;
1324		1833
1325	if ($map->should_reset) {	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1835	# doing this can freeze the server in a sync job, obviously
		1836	#$cf::WAIT_FOR_TICK->wait;
1326	$map->reset;	1837	$map->reset;
1327	undef $guard;	1838	undef $guard;
1328	$map = find $path	1839	return find $path;
1329	or return;
1330	}	1840	}
1331		1841
1332	$cf::MAP{$path} = $map	1842	$cf::MAP{$path} = $map
1333	}	1843	}
1334	}	1844	}
		1845
		1846	sub pre_load { }
		1847	sub post_load { }
1335		1848
1336	sub load {	1849	sub load {
1337	my ($self) = @_;	1850	my ($self) = @_;
1338		1851
		1852	local $self->{deny_reset} = 1; # loading can take a long time
		1853
1339	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1340	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1341		1858
1342	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1343		1860
1344	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1345		1862
1346	$self->alloc;	1863	$self->alloc;
1347	$self->_load_objects ($self->{load_path}, 1)
1348	or return;
1349		1864
1350	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1865	$self->pre_load;
1351	if delete $self->{load_original};
1352
1353	if (my $uniq = $self->uniq_path) {
1354	utf8::encode $uniq;
1355	if (aio_open $uniq, O_RDONLY, 0) {
1356	$self->clear_unique_items;
1357	$self->_load_objects ($uniq, 0);
1358	}
1359	}
1360
1361	Coro::cede;
1362
1363	# now do the right thing for maps
1364	$self->link_multipart_objects;
1365
1366	unless ($self->{deny_activate}) {
1367	$self->decay_objects;
1368	$self->fix_auto_apply;
1369	$self->update_buttons;
1370	Coro::cede;	1866	Coro::cede;
1371	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1372	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1373	unless $self->difficulty;	1886	unless $self->difficulty;
1374	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1375	$self->activate;	1896	$self->activate;
1376	}	1897	}
1377		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
1378	$self->in_memory (cf::MAP_IN_MEMORY);	1902	$self->in_memory (cf::MAP_IN_MEMORY);
		1903	}
		1904
		1905	$self->post_load;
1379	}	1906	}
1380		1907
1381	sub customise_for {	1908	sub customise_for {
1382	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1383		1910
1384	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1385	if $self->per_player;	1912	if $self->per_player;
1386		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1387	$self	1917	$self
1388	}	1918	}
1389		1919
1390	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1391	sub load_diag {	1921	sub load_neighbours {
1392	my ($map) = @_;	1922	my ($map) = @_;
1393		1923
1394	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1395		1925
1396	for (0 .. 3) {	1926	for (0 .. 3) {
1397	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1398	or next;	1928	or next;
1399	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1400	or next;	1930	or next;
1401	$neigh->load;	1931	$neigh->load;
1402		1932
		1933	push @neigh,
1403	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1404	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1405	}	1936	}
1406		1937
1407	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1408	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1409	or next;	1941	or next;
1410	$neigh->load;	1942	$neigh->load;
1411	}	1943	}
1412	}	1944	}
1413		1945
…		…
1422		1954
1423	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1424	}	1956	}
1425		1957
1426	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1427	our $MAP_PREFETCHER = Coro::async {	1959	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		1960
1440	sub find_async {	1961	sub find_async {
1441	my ($path, $origin) = @_;	1962	my ($path, $origin) = @_;
1442		1963
1443	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1444		1965
1445	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1446	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447	}	1968	}
1448		1969
1449	$MAP_PREFETCH{$path} = 0;	1970	undef $MAP_PREFETCH{$path};
		1971	$MAP_PREFETCHER ||= cf::async {
		1972	while (%MAP_PREFETCH) {
		1973	for my $path (keys %MAP_PREFETCH) {
		1974	if (my $map = find $path) {
		1975	$map->load;
		1976	}
		1977
		1978	delete $MAP_PREFETCH{$path};
		1979	}
		1980	}
		1981	undef $MAP_PREFETCHER;
		1982	};
1450	$MAP_PREFETCHER->ready;	1983	$MAP_PREFETCHER->prio (6);
1451		1984
1452	()	1985	()
1453	}	1986	}
1454		1987
1455	sub save {	1988	sub save {
…		…
1500		2033
1501	sub reset_at {	2034	sub reset_at {
1502	my ($self) = @_;	2035	my ($self) = @_;
1503		2036
1504	# TODO: safety, remove and allow resettable per-player maps	2037	# 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};	2038	return 1e99 if $self->{deny_reset};
1507		2039
1508	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1509	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1510		2042
…		…
1515	my ($self) = @_;	2047	my ($self) = @_;
1516		2048
1517	$self->reset_at <= $cf::RUNTIME	2049	$self->reset_at <= $cf::RUNTIME
1518	}	2050	}
1519		2051
1520	sub rename {
1521	my ($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	$self->save;
1532	}
1533
1534	sub reset {	2052	sub reset {
1535	my ($self) = @_;	2053	my ($self) = @_;
1536		2054
1537	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1538		2056
1539	return if $self->players;	2057	return if $self->players;
1540	return if $self->isa ("ext::map_per_player");#d#
1541		2058
1542	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
		2060
		2061	$self->in_memory (cf::MAP_SWAPPED);
		2062
		2063	# need to save uniques path
		2064	unless ($self->{deny_save}) {
		2065	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2066
		2067	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2068	if $uniq;
		2069	}
1543		2070
1544	delete $cf::MAP{$self->path};	2071	delete $cf::MAP{$self->path};
1545		2072
1546	$self->in_memory (cf::MAP_SWAPPED);
1547	$self->clear;	2073	$self->clear;
1548		2074
1549	$_->clear_links_to ($self) for values %cf::MAP;	2075	$_->clear_links_to ($self) for values %cf::MAP;
1550		2076
1551	$self->unlink_save;	2077	$self->unlink_save;
…		…
1555	my $nuke_counter = "aaaa";	2081	my $nuke_counter = "aaaa";
1556		2082
1557	sub nuke {	2083	sub nuke {
1558	my ($self) = @_;	2084	my ($self) = @_;
1559		2085
		2086	delete $cf::MAP{$self->path};
		2087
		2088	$self->unlink_save;
		2089
		2090	bless $self, "cf::map";
		2091	delete $self->{deny_reset};
1560	$self->{deny_save} = 1;	2092	$self->{deny_save} = 1;
1561	$self->reset_timeout (1);	2093	$self->reset_timeout (1);
1562	$self->rename ("{nuke}/" . ($nuke_counter++));	2094	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2095
		2096	$cf::MAP{$self->path} = $self;
		2097
1563	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
		2099	}
		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
1564	}	2135	}
1565		2136
1566	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1567		2138
1568	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1569	instantiated unique items. May block.	2140	instantiated unique items. May block.
1570		2141
1571	=cut	2142	=cut
1572		2143
1573	sub unique_maps() {	2144	sub unique_maps() {
1574	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1575	or return;	2146	map {
1576
1577	my @paths;
1578
1579	for (@$files) {
1580	utf8::decode $_;	2147	utf8::decode $_;
1581	next if /\.pst$/;
1582	next unless /^$PATH_SEP/o;
1583
1584	s/\.map$//;	2148	/\.map$/
1585	push @paths, $_;	2149	? normalise $_
		2150	: ()
		2151	} @{ aio_readdir $UNIQUEDIR or [] }
1586	}	2152	]
1587
1588	\@paths
1589	}	2153	}
1590		2154
1591	package cf;	2155	package cf;
1592		2156
1593	=back	2157	=back
…		…
1639		2203
1640	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1641		2205
1642	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1643	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1644	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1645	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1646	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1647	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1648	}	2231	}
1649		2232
1650	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1651		2234
1652	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1684	=cut	2267	=cut
1685		2268
1686	sub link_map {	2269	sub link_map {
1687	unless ($LINK_MAP) {	2270	unless ($LINK_MAP) {
1688	$LINK_MAP = cf::map::find "{link}"	2271	$LINK_MAP = cf::map::find "{link}"
1689	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2272	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1690	$LINK_MAP->load;	2273	$LINK_MAP->load;
1691	}	2274	}
1692		2275
1693	$LINK_MAP	2276	$LINK_MAP
1694	}	2277	}
…		…
1699	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1700		2283
1701	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1702		2285
1703	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1704	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1705		2288
1706	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1707	}	2290	}
1708		2291
1709	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1710	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1711		2296
1712	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1713		2298
1714	unless ($map) {	2299	unless ($map) {
1715	# restore original map position	2300	# restore original map position
…		…
1729	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1730	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1731	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1732		2317
1733	$map->load;	2318	$map->load;
1734	$map->load_diag;	2319	$map->load_neighbours;
1735		2320
1736	return unless $self->contr->active;	2321	return unless $self->contr->active;
1737	$self->activate_recursive;	2322	$self->activate_recursive;
		2323
		2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1738	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1739	}	2326	}
1740		2327
1741	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1742	on_logout => sub {
1743	my ($pl) = @_;
1744		2329
1745	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1746	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1747	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1748	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1749	};	2334	be called at the end of this process.
1750	}
1751	},
1752	on_login => sub {
1753	my ($pl) = @_;
1754		2335
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	2336	=cut
		2337
		2338	our $GOTOGEN;
1776		2339
1777	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1778	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1779		2345
1780	$self->enter_link;	2346	$self->enter_link;
1781		2347
1782	(async {	2348	(async {
		2349	my $map = eval {
1783	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1784	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
1785		2354	$map = $check->($map) if $check && $map;
1786	# warn "entering ", $map->path, " at ($x, $y)\n"	2355	} else {
1787	# if $map;
1788
1789	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
1790		2358
		2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
		2365	}
		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1791	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1792	})->prio (1);	2373	})->prio (1);
1793	}	2374	}
1794		2375
1795	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1796		2377
…		…
1798		2379
1799	sub parse_random_map_params {	2380	sub parse_random_map_params {
1800	my ($spec) = @_;	2381	my ($spec) = @_;
1801		2382
1802	my $rmp = { # defaults	2383	my $rmp = { # defaults
1803	xsize => 10,	2384	xsize => (cf::rndm 15, 40),
1804	ysize => 10,	2385	ysize => (cf::rndm 15, 40),
		2386	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2387	#layout => string,
1805	};	2388	};
1806		2389
1807	for (split /\n/, $spec) {	2390	for (split /\n/, $spec) {
1808	my ($k, $v) = split /\s+/, $_, 2;	2391	my ($k, $v) = split /\s+/, $_, 2;
1809		2392
…		…
1813	$rmp	2396	$rmp
1814	}	2397	}
1815		2398
1816	sub prepare_random_map {	2399	sub prepare_random_map {
1817	my ($exit) = @_;	2400	my ($exit) = @_;
		2401
		2402	my $guard = cf::lock_acquire "exit_prepare:$exit";
1818		2403
1819	# all this does is basically replace the /! path by	2404	# all this does is basically replace the /! path by
1820	# a new random map path (?random/...) with a seed	2405	# a new random map path (?random/...) with a seed
1821	# that depends on the exit object	2406	# that depends on the exit object
1822		2407
1823	my $rmp = parse_random_map_params $exit->msg;	2408	my $rmp = parse_random_map_params $exit->msg;
1824		2409
1825	if ($exit->map) {	2410	if ($exit->map) {
1826	$rmp->{region} = $exit->map->region_name;	2411	$rmp->{region} = $exit->region->name;
1827	$rmp->{origin_map} = $exit->map->path;	2412	$rmp->{origin_map} = $exit->map->path;
1828	$rmp->{origin_x} = $exit->x;	2413	$rmp->{origin_x} = $exit->x;
1829	$rmp->{origin_y} = $exit->y;	2414	$rmp->{origin_y} = $exit->y;
1830	}	2415	}
1831		2416
1832	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1833		2418
1834	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1835	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
		2421	my $meta = "$RANDOMDIR/$md5.meta";
1836		2422
1837	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1838	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
		2425	undef $fh;
		2426	aio_rename "$meta~", $meta;
1839		2427
1840	$exit->slaying ("?random/$md5");	2428	$exit->slaying ("?random/$md5");
1841	$exit->msg (undef);	2429	$exit->msg (undef);
1842	}	2430	}
1843	}	2431	}
…		…
1845	sub cf::object::player::enter_exit {	2433	sub cf::object::player::enter_exit {
1846	my ($self, $exit) = @_;	2434	my ($self, $exit) = @_;
1847		2435
1848	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1849		2437
		2438	if ($exit->slaying eq "/!") {
		2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
		2442	cf::sync_job { prepare_random_map $exit };
		2443	}
		2444
		2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2446	my $hp = $exit->stats->hp;
		2447	my $sp = $exit->stats->sp;
		2448
1850	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1851		2454
1852	(async {	2455	(async {
1853	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1854	unless (eval {	2457	unless (eval {
1855	prepare_random_map $exit	2458	$self->goto ($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		2459
1861	1;	2460	1;
1862	}) {	2461	}) {
1863	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1864	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1865	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1866	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1867		2466
1868	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1869	$self->leave_link;	2468	$self->leave_link;
1870	}	2469	}
1871	})->prio (1);	2470	})->prio (1);
…		…
1884		2483
1885	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1886	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1887		2486
1888	utf8::encode $text;	2487	utf8::encode $text;
1889	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1890	}	2489	}
1891		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1892		2571
1893	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1894		2573
1895	Queues a query to the client, calling the given callback with	2574	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>,	2575	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>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1898		2577
1899	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1900	reliable at some point in the future.	2579	become reliable at some point in the future.
1901		2580
1902	=cut	2581	=cut
1903		2582
1904	sub cf::client::query {	2583	sub cf::client::query {
1905	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
1913	utf8::encode $text;	2592	utf8::encode $text;
1914	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1915		2594
1916	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
1917	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
1918	}	2599	}
1919		2600
1920	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
1921	on_reply => sub {	2607	on_reply => sub {
1922	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
1923		2609
1924	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
1925	# get handled first	2611	# get handled first
1926	my $queue = delete $ns->{query_queue}	2612	my $queue = delete $ns->{query_queue}
1927	or return; # be conservative, not sure how that can happen, but we saw a crash here	2613	or return; # be conservative, not sure how that can happen, but we saw a crash here
1928		2614
1929	(shift @$queue)->[1]->($msg);	2615	(shift @$queue)->[1]->($msg);
		2616	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1930		2617
1931	push @{ $ns->{query_queue} }, @$queue;	2618	push @{ $ns->{query_queue} }, @$queue;
1932		2619
1933	if (@{ $ns->{query_queue} } == @$queue) {	2620	if (@{ $ns->{query_queue} } == @$queue) {
1934	if (@$queue) {	2621	if (@$queue) {
…		…
1936	} else {	2623	} else {
1937	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1938	}	2625	}
1939	}	2626	}
1940	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
1941	);	2651	);
1942		2652
1943	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
1944		2654
1945	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
1986	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
1987	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
1988		2698
1989	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
1990		2700
1991	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
1992		2706
1993	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
1994		2708
1995	=pod	2709	=pod
1996		2710
1997	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
1998		2712
1999	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2000	cf::object::player player	2717	cf::object::player
2001	cf::player peaceful	2718	player
2002	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2003		2725
2004	=cut	2726	=cut
2005		2727
2006	for (	2728	for (
2007	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2008	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2009	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2010	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2011	) {	2734	) {
2012	no strict 'refs';	2735	no strict 'refs';
…		…
2083	=back	2806	=back
2084		2807
2085	=cut	2808	=cut
2086		2809
2087	#############################################################################	2810	#############################################################################
		2811	# the server's init and main functions
2088		2812
2089	=head2 EXTENSION DATABASE SUPPORT	2813	sub load_facedata($) {
		2814	my ($path) = @_;
2090		2815
2091	Crossfire maintains a very simple database for extension use. It can	2816	warn "loading facedata from $path\n";
2092	currently store anything that can be serialised using Storable, which
2093	excludes objects.
2094		2817
2095	The parameter C<$family> should best start with the name of the extension	2818	my $facedata;
2096	using it, it should be unique.	2819	0 < aio_load $path, $facedata
		2820	or die "$path: $!";
2097		2821
2098	=over 4	2822	$facedata = Coro::Storable::thaw $facedata;
2099		2823
2100	=item $hashref = cf::db_get $family	2824	$facedata->{version} == 2
		2825	or cf::cleanup "$path: version mismatch, cannot proceed.";
2101		2826
2102	Return a hashref for use by the extension C<$family>, which can be
2103	modified. After modifications, you have to call C<cf::db_dirty> or
2104	C<cf::db_sync>.
2105
2106	=item $value = cf::db_get $family => $key
2107
2108	Returns a single value from the database
2109
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	}	2827	{
		2828	my $faces = $facedata->{faceinfo};
2138		2829
2139	my $pid;	2830	while (my ($face, $info) = each %$faces) {
		2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2832	cf::face::set_visibility $idx, $info->{visibility};
		2833	cf::face::set_magicmap $idx, $info->{magicmap};
		2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
2140		2836
2141	sub db_save() {	2837	cf::cede_to_tick;
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	});
2161
2162	sub db_dirty() {
2163	$dirty = 1;
2164	$idle->start;
2165	}
2166
2167	sub db_get($;$) {
2168	@_ >= 2
2169	? $DB->{$_[0]}{$_[1]}
2170	: ($DB->{$_[0]} ||= { })
2171	}
2172
2173	sub db_put($$;$) {
2174	if (@_ >= 3) {
2175	$DB->{$_[0]}{$_[1]} = $_[2];
2176	} else {
2177	$DB->{$_[0]} = $_[1];
2178	}
2179	db_dirty;
2180	}
2181
2182	cf::global->attach (
2183	prio => 10000,
2184	on_cleanup => sub {
2185	db_sync;
2186	},	2838	}
2187	);
2188	}
2189		2839
2190	#############################################################################	2840	while (my ($face, $info) = each %$faces) {
2191	# the server's main()	2841	next unless $info->{smooth};
		2842	my $idx = cf::face::find $face
		2843	or next;
		2844	if (my $smooth = cf::face::find $info->{smooth}) {
		2845	cf::face::set_smooth $idx, $smooth;
		2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2847	} else {
		2848	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2849	}
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853	}
		2854
		2855	{
		2856	my $anims = $facedata->{animinfo};
		2857
		2858	while (my ($anim, $info) = each %$anims) {
		2859	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2860	cf::cede_to_tick;
		2861	}
		2862
		2863	cf::anim::invalidate_all; # d'oh
		2864	}
		2865
		2866	{
		2867	# TODO: for gcfclient pleasure, we should give resources
		2868	# that gcfclient doesn't grok a >10000 face index.
		2869	my $res = $facedata->{resource};
		2870	my $enc = JSON::XS->new->utf8->canonical;
		2871
		2872	my $soundconf = delete $res->{"res/sound.conf"};
		2873
		2874	while (my ($name, $info) = each %$res) {
		2875	my $meta = $enc->encode ({
		2876	name => $name,
		2877	%{ $info->{meta} || {} },
		2878	});
		2879
		2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2881
		2882	if ($info->{type} & 1) {
		2883	# prepend meta info
		2884
		2885	my $data = pack "(w/a*)*", $meta, $info->{data};
		2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2887
		2888	cf::face::set_data $idx, 0, $data, $chk;
		2889	} else {
		2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2891	}
		2892
		2893	cf::face::set_type $idx, $info->{type};
		2894
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	if ($soundconf) {
		2899	$soundconf = $enc->decode (delete $soundconf->{data});
		2900
		2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2902	my $sound = $soundconf->{compat}[$_]
		2903	or next;
		2904
		2905	my $face = cf::face::find "sound/$sound->[1]";
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2911	my $face = cf::face::find "sound/$v";
		2912	cf::sound::set $k => $face;
		2913	}
		2914	}
		2915	}
		2916
		2917	1
		2918	}
		2919
		2920	register_exticmd fx_want => sub {
		2921	my ($ns, $want) = @_;
		2922
		2923	while (my ($k, $v) = each %$want) {
		2924	$ns->fx_want ($k, $v);
		2925	}
		2926	};
		2927
		2928	sub reload_regions {
		2929	load_resource_file "$MAPDIR/regions"
		2930	or die "unable to load regions file\n";
		2931
		2932	for (cf::region::list) {
		2933	$_->{match} = qr/$_->{match}/
		2934	if exists $_->{match};
		2935	}
		2936	}
		2937
		2938	sub reload_facedata {
		2939	load_facedata "$DATADIR/facedata"
		2940	or die "unable to load facedata\n";
		2941	}
		2942
		2943	sub reload_archetypes {
		2944	load_resource_file "$DATADIR/archetypes"
		2945	or die "unable to load archetypes\n";
		2946	#d# NEED to laod twice to resolve forward references
		2947	# this really needs to be done in an extra post-pass
		2948	# (which needs to be synchronous, so solve it differently)
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	}
		2952
		2953	sub reload_treasures {
		2954	load_resource_file "$DATADIR/treasures"
		2955	or die "unable to load treasurelists\n";
		2956	}
		2957
		2958	sub reload_resources {
		2959	warn "reloading resource files...\n";
		2960
		2961	reload_regions;
		2962	reload_facedata;
		2963	#reload_archetypes;#d#
		2964	reload_archetypes;
		2965	reload_treasures;
		2966
		2967	warn "finished reloading resource files\n";
		2968	}
		2969
		2970	sub init {
		2971	reload_resources;
		2972	}
2192		2973
2193	sub cfg_load {	2974	sub cfg_load {
2194	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
2195	or return;	2976	or return;
2196		2977
2197	local $/;	2978	local $/;
2198	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
2199		2980
…		…
2213		2994
2214	sub main {	2995	sub main {
2215	# we must not ever block the main coroutine	2996	# we must not ever block the main coroutine
2216	local $Coro::idle = sub {	2997	local $Coro::idle = sub {
2217	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	2998	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
		2999	(async {
2218	async { Event::one_event };	3000	Event::one_event;
		3001	})->prio (Coro::PRIO_MAX);
2219	};	3002	};
2220		3003
2221	cfg_load;	3004	cfg_load;
2222	db_load;	3005	db_init;
2223	load_extensions;	3006	load_extensions;
		3007
		3008	$TICK_WATCHER->start;
2224	Event::loop;	3009	Event::loop;
2225	}	3010	}
2226		3011
2227	#############################################################################	3012	#############################################################################
2228	# initialisation and cleanup	3013	# initialisation and cleanup
2229		3014
2230	# install some emergency cleanup handlers	3015	# install some emergency cleanup handlers
2231	BEGIN {	3016	BEGIN {
2232	for my $signal (qw(INT HUP TERM)) {	3017	for my $signal (qw(INT HUP TERM)) {
2233	Event->signal (	3018	Event->signal (
		3019	reentrant => 0,
2234	data => WF_AUTOCANCEL,	3020	data => WF_AUTOCANCEL,
2235	signal => $signal,	3021	signal => $signal,
		3022	prio => 0,
2236	cb => sub {	3023	cb => sub {
2237	cf::cleanup "SIG$signal";	3024	cf::cleanup "SIG$signal";
2238	},	3025	},
2239	);	3026	);
2240	}	3027	}
		3028	}
		3029
		3030	sub write_runtime {
		3031	my $runtime = "$LOCALDIR/runtime";
		3032
		3033	# first touch the runtime file to show we are still running:
		3034	# the fsync below can take a very very long time.
		3035
		3036	IO::AIO::aio_utime $runtime, undef, undef;
		3037
		3038	my $guard = cf::lock_acquire "write_runtime";
		3039
		3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3041	or return;
		3042
		3043	my $value = $cf::RUNTIME + 90 + 10;
		3044	# 10 is the runtime save interval, for a monotonic clock
		3045	# 60 allows for the watchdog to kill the server.
		3046
		3047	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3048	and return;
		3049
		3050	# always fsync - this file is important
		3051	aio_fsync $fh
		3052	and return;
		3053
		3054	# touch it again to show we are up-to-date
		3055	aio_utime $fh, undef, undef;
		3056
		3057	close $fh
		3058	or return;
		3059
		3060	aio_rename "$runtime~", $runtime
		3061	and return;
		3062
		3063	warn "runtime file written.\n";
		3064
		3065	1
2241	}	3066	}
2242		3067
2243	sub emergency_save() {	3068	sub emergency_save() {
2244	my $freeze_guard = cf::freeze_mainloop;	3069	my $freeze_guard = cf::freeze_mainloop;
2245		3070
…		…
2262	my $map = $cf::MAP{$path} or next;	3087	my $map = $cf::MAP{$path} or next;
2263	$map->valid or next;	3088	$map->valid or next;
2264	$map->save;	3089	$map->save;
2265	}	3090	}
2266	warn "end emergency map save\n";	3091	warn "end emergency map save\n";
		3092
		3093	warn "begin emergency database checkpoint\n";
		3094	BDB::db_env_txn_checkpoint $DB_ENV;
		3095	warn "end emergency database checkpoint\n";
2267	};	3096	};
2268		3097
2269	warn "leave emergency perl save\n";	3098	warn "leave emergency perl save\n";
2270	}	3099	}
2271		3100
		3101	sub post_cleanup {
		3102	my ($make_core) = @_;
		3103
		3104	warn Carp::longmess "post_cleanup backtrace"
		3105	if $make_core;
		3106	}
		3107
2272	sub reload() {	3108	sub do_reload_perl() {
2273	# can/must only be called in main	3109	# can/must only be called in main
2274	if ($Coro::current != $Coro::main) {	3110	if ($Coro::current != $Coro::main) {
2275	warn "can only reload from main coroutine\n";	3111	warn "can only reload from main coroutine";
2276	return;	3112	return;
2277	}	3113	}
2278		3114
2279	warn "reloading...";	3115	warn "reloading...";
2280		3116
2281	warn "freezing server";	3117	warn "entering sync_job";
2282	my $guard = freeze_mainloop;	3118
		3119	cf::sync_job {
		3120	cf::write_runtime; # external watchdog should not bark
2283	cf::emergency_save;	3121	cf::emergency_save;
		3122	cf::write_runtime; # external watchdog should not bark
2284		3123
2285	warn "sync database to disk";	3124	warn "syncing database to disk";
2286	cf::db_sync;	3125	BDB::db_env_txn_checkpoint $DB_ENV;
2287	IO::AIO::flush;
2288		3126
2289	eval {
2290	# if anything goes wrong in here, we should simply crash as we already saved	3127	# if anything goes wrong in here, we should simply crash as we already saved
2291		3128
2292	warn "cancel all watchers";	3129	warn "cancelling all WF_AUTOCANCEL watchers";
2293	for (Event::all_watchers) {	3130	for (Event::all_watchers) {
2294	$_->cancel if $_->data & WF_AUTOCANCEL;	3131	$_->cancel if $_->data & WF_AUTOCANCEL;
2295	}	3132	}
2296		3133
		3134	warn "flushing outstanding aio requests";
		3135	for (;;) {
		3136	BDB::flush;
		3137	IO::AIO::flush;
		3138	Coro::cede;
		3139	last unless IO::AIO::nreqs || BDB::nreqs;
		3140	warn "iterate...";
		3141	}
		3142
		3143	++$RELOAD;
		3144
2297	warn "cancel all extension coros";	3145	warn "cancelling all extension coros";
2298	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
2299	%EXT_CORO = ();	3147	%EXT_CORO = ();
2300		3148
2301	warn "remove commands";	3149	warn "removing commands";
2302	%COMMAND = ();	3150	%COMMAND = ();
2303		3151
2304	warn "remove ext commands";	3152	warn "removing ext/exti commands";
2305	%EXTCMD = ();	3153	%EXTCMD = ();
		3154	%EXTICMD = ();
2306		3155
2307	warn "unload/nuke all extensions";	3156	warn "unloading/nuking all extensions";
2308	for my $pkg (@EXTS) {	3157	for my $pkg (@EXTS) {
2309	warn "... unloading $pkg";	3158	warn "... unloading $pkg";
2310		3159
2311	if (my $cb = $pkg->can ("unload")) {	3160	if (my $cb = $pkg->can ("unload")) {
2312	eval {	3161	eval {
…		…
2317		3166
2318	warn "... nuking $pkg";	3167	warn "... nuking $pkg";
2319	Symbol::delete_package $pkg;	3168	Symbol::delete_package $pkg;
2320	}	3169	}
2321		3170
2322	warn "unload all perl modules loaded from $LIBDIR";	3171	warn "unloading all perl modules loaded from $LIBDIR";
2323	while (my ($k, $v) = each %INC) {	3172	while (my ($k, $v) = each %INC) {
2324	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3173	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2325		3174
2326	warn "removing <$k>";	3175	warn "... unloading $k";
2327	delete $INC{$k};	3176	delete $INC{$k};
2328		3177
2329	$k =~ s/\.pm$//;	3178	$k =~ s/\.pm$//;
2330	$k =~ s/\//::/g;	3179	$k =~ s/\//::/g;
2331		3180
…		…
2334	}	3183	}
2335		3184
2336	Symbol::delete_package $k;	3185	Symbol::delete_package $k;
2337	}	3186	}
2338		3187
2339	warn "get rid of safe::, as good as possible";	3188	warn "getting rid of safe::, as good as possible";
2340	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
2341	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2342		3191
2343	warn "unload cf.pm \"a bit\"";	3192	warn "unloading cf.pm \"a bit\"";
2344	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
2345		3195
2346	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
2347	# and global variables created in xs	3197	# and global variables created in xs
2348	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
2349		3199
		3200	warn "unload completed, starting to reload now";
		3201
2350	warn "reloading cf.pm";	3202	warn "reloading cf.pm";
2351	require cf;	3203	require cf;
2352	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3204	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2353		3205
2354	warn "load config and database again";	3206	warn "loading config and database again";
2355	cf::cfg_load;	3207	cf::cfg_load;
2356	cf::db_load;
2357		3208
2358	warn "load extensions";	3209	warn "loading extensions";
2359	cf::load_extensions;	3210	cf::load_extensions;
2360		3211
2361	warn "reattach attachments to objects/players";	3212	warn "reattaching attachments to objects/players";
2362	_global_reattach;	3213	_global_reattach; # objects, sockets
2363	warn "reattach attachments to maps";	3214	warn "reattaching attachments to maps";
2364	reattach $_ for values %MAP;	3215	reattach $_ for values %MAP;
2365	};	3216	warn "reattaching attachments to players";
		3217	reattach $_ for values %PLAYER;
2366		3218
2367	if ($@) {	3219	warn "leaving sync_job";
		3220
		3221	1
		3222	} or do {
2368	warn $@;	3223	warn $@;
2369	warn "error while reloading, exiting.";	3224	warn "error while reloading, exiting.";
2370	exit 1;	3225	exit 1;
2371	}	3226	};
2372		3227
2373	warn "reloaded";	3228	warn "reloaded";
2374	};	3229	};
2375		3230
		3231	our $RELOAD_WATCHER; # used only during reload
		3232
		3233	sub reload_perl() {
		3234	# doing reload synchronously and two reloads happen back-to-back,
		3235	# coro crashes during coro_state_free->destroy here.
		3236
		3237	$RELOAD_WATCHER ||= Event->timer (
		3238	reentrant => 0,
		3239	after => 0,
		3240	data => WF_AUTOCANCEL,
		3241	cb => sub {
		3242	do_reload_perl;
		3243	undef $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
2376	register_command "reload" => sub {	3248	register_command "reload" => sub {
2377	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
2378		3250
2379	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
2380	$who->message ("start of reload.");
2381	reload;
2382	$who->message ("end of reload.");	3252	$who->message ("reloading server.");
		3253	async { reload_perl };
2383	}	3254	}
2384	};	3255	};
2385		3256
2386	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
2387		3258
		3259	my $bug_warning = 0;
		3260
		3261	our @WAIT_FOR_TICK;
		3262	our @WAIT_FOR_TICK_BEGIN;
		3263
		3264	sub wait_for_tick {
		3265	return unless $TICK_WATCHER->is_active;
		3266	return if $Coro::current == $Coro::main;
		3267
		3268	my $signal = new Coro::Signal;
		3269	push @WAIT_FOR_TICK, $signal;
		3270	$signal->wait;
		3271	}
		3272
		3273	sub wait_for_tick_begin {
		3274	return unless $TICK_WATCHER->is_active;
		3275	return if $Coro::current == $Coro::main;
		3276
		3277	my $signal = new Coro::Signal;
		3278	push @WAIT_FOR_TICK_BEGIN, $signal;
		3279	$signal->wait;
		3280	}
		3281
		3282	my $min = 1e6;#d#
		3283	my $avg = 10;
2388	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
2389	reentrant => 0,	3285	reentrant => 0,
		3286	parked => 1,
2390	prio => 0,	3287	prio => 0,
2391	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
2392	data => WF_AUTOCANCEL,	3289	data => WF_AUTOCANCEL,
2393	cb => sub {	3290	cb => sub {
		3291	if ($Coro::current != $Coro::main) {
		3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3293	unless ++$bug_warning > 10;
		3294	return;
		3295	}
		3296
2394	$NOW = Event::time;	3297	$NOW = $tick_start = Event::time;
2395		3298
2396	cf::server_tick; # one server iteration	3299	cf::server_tick; # one server iteration
		3300
		3301	0 && sync_job {#d#
		3302	for(1..10) {
		3303	my $t = Event::time;
		3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3305	or die;
		3306
		3307	$map->width (50);
		3308	$map->height (50);
		3309	$map->alloc;
		3310	$map->_load_objects ("/tmp/x.map", 1);
		3311	my $t = Event::time - $t;
		3312
		3313	#next unless $t < 0.0013;#d#
		3314	if ($t < $min) {
		3315	$min = $t;
		3316	}
		3317	$avg = $avg * 0.99 + $t * 0.01;
		3318	}
		3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3320	exit 0;
		3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3322	};
		3323
2397	$RUNTIME += $TICK;	3324	$RUNTIME += $TICK;
2398	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
2399		3326
2400	$WAIT_FOR_TICK->broadcast;	3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2401	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
		3329	Coro::async_pool {
		3330	write_runtime
		3331	or warn "ERROR: unable to write runtime file: $!";
		3332	};
		3333	}
		3334
		3335	# my $AFTER = Event::time;
		3336	# warn $AFTER - $NOW;#d#
		3337
		3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3339	$sig->send;
		3340	}
		3341	while (my $sig = shift @WAIT_FOR_TICK) {
		3342	$sig->send;
		3343	}
		3344
		3345	$NOW = Event::time;
2402		3346
2403	# if we are delayed by four ticks or more, skip them all	3347	# if we are delayed by four ticks or more, skip them all
2404	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2405		3349
2406	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
2407	$TICK_WATCHER->start;	3351	$TICK_WATCHER->start;
		3352
		3353	$LOAD = ($NOW - $tick_start) / $TICK;
		3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3355
		3356	_post_tick;
		3357
		3358
2408	},	3359	},
2409	);	3360	);
2410		3361
		3362	{
		3363	BDB::max_poll_time $TICK * 0.1;
		3364	$BDB_POLL_WATCHER = Event->io (
		3365	reentrant => 0,
		3366	fd => BDB::poll_fileno,
		3367	poll => 'r',
		3368	prio => 0,
		3369	data => WF_AUTOCANCEL,
		3370	cb => \&BDB::poll_cb,
		3371	);
		3372	BDB::min_parallel 8;
		3373
		3374	BDB::set_sync_prepare {
		3375	my $status;
		3376	my $current = $Coro::current;
		3377	(
		3378	sub {
		3379	$status = $!;
		3380	$current->ready; undef $current;
		3381	},
		3382	sub {
		3383	Coro::schedule while defined $current;
		3384	$! = $status;
		3385	},
		3386	)
		3387	};
		3388
		3389	unless ($DB_ENV) {
		3390	$DB_ENV = BDB::db_env_create;
		3391
		3392	cf::sync_job {
		3393	eval {
		3394	BDB::db_env_open
		3395	$DB_ENV,
		3396	$BDBDIR,
		3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3399	0666;
		3400
		3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3402
		3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3404	$DB_ENV->set_lk_detect;
		3405	};
		3406
		3407	cf::cleanup "db_env_open(db): $@" if $@;
		3408	};
		3409	}
		3410	}
		3411
		3412	{
		3413	IO::AIO::min_parallel 8;
		3414
		3415	undef $Coro::AIO::WATCHER;
2411	IO::AIO::max_poll_time $TICK * 0.2;	3416	IO::AIO::max_poll_time $TICK * 0.1;
2412
2413	$AIO_POLL_WATCHER = Event->io (	3417	$AIO_POLL_WATCHER = Event->io (
2414	fd => IO::AIO::poll_fileno,	3418	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,	3419	data => WF_AUTOCANCEL,
2423	after => 0,	3420	fd => IO::AIO::poll_fileno,
2424	interval => 10,	3421	poll => 'r',
2425	cb => sub {	3422	prio => 6,
2426	(Coro::unblock_sub {	3423	cb => \&IO::AIO::poll_cb,
2427	write_runtime	3424	);
2428	or warn "ERROR: unable to write runtime file: $!";	3425	}
		3426
		3427	my $_log_backtrace;
		3428
		3429	sub _log_backtrace {
		3430	my ($msg, @addr) = @_;
		3431
		3432	$msg =~ s/\n//;
		3433
		3434	# limit the # of concurrent backtraces
		3435	if ($_log_backtrace < 2) {
		3436	++$_log_backtrace;
		3437	async {
		3438	my @bt = fork_call {
		3439	@addr = map { sprintf "%x", $_ } @addr;
		3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3442	or die "addr2line: $!";
		3443
		3444	my @funcs;
		3445	my @res = <$fh>;
		3446	chomp for @res;
		3447	while (@res) {
		3448	my ($func, $line) = splice @res, 0, 2, ();
		3449	push @funcs, "[$func] $line";
		3450	}
		3451
		3452	@funcs
		3453	};
		3454
		3455	LOG llevInfo, "[ABT] $msg\n";
		3456	LOG llevInfo, "[ABT] $_\n" for @bt;
		3457	--$_log_backtrace;
2429	})->();	3458	};
		3459	} else {
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] [suppressed]\n";
2430	},	3462	}
2431	);	3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
2432		3467
2433	END { cf::emergency_save }	3468	END { cf::emergency_save }
2434		3469
2435	1	3470	1
2436		3471

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