ViewVC Help

View File | Revision Log | Show Annotations | Download File

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

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.343 by root, Mon Aug 27 01:13:48 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 3.5 ();	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;
53	our $USE_FSYNC; # use fsync to write maps - default off	82	our $USE_FSYNC = 1; # use fsync to write maps - default off
		83
		84	our $BDB_POLL_WATCHER;
		85	our $DB_ENV;
54		86
55	our %CFG;	87	our %CFG;
56		88
57	our $UPTIME; $UPTIME ||= time;	89	our $UPTIME; $UPTIME ||= time;
58	our $RUNTIME;	90	our $RUNTIME;
59		91
60	our %PLAYER; # all users	92	our %PLAYER; # all users
61	our %MAP; # all maps	93	our %MAP; # all maps
62	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
63	our $RANDOM_MAPS = cf::localdir . "/random";
64
65	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67		95
68	# 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 ∕
69	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
70		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 $tick_start; # for load detecting purposes
		102
71	binmode STDOUT;	103	binmode STDOUT;
72	binmode STDERR;	104	binmode STDERR;
73		105
74	# read virtual server time, if available	106	# read virtual server time, if available
75	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
76	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
77	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
78	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
79	}	111	}
80		112
81	mkdir cf::localdir;	113	mkdir $_
82	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
83	mkdir cf::localdir . "/" . cf::tmpdir;
84	mkdir cf::localdir . "/" . cf::uniquedir;
85	mkdir $RANDOM_MAPS;
86		115
87	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
88		117
89	sub cf::map::normalise;	118	sub cf::map::normalise;
90		119
…		…
101	=item $cf::RUNTIME	130	=item $cf::RUNTIME
102		131
103	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
104	every server tick.	133	every server tick.
105		134
106	=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
107		138
108	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
109	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.
110		143
111	=item $cf::NOW	144	=item $cf::NOW
112		145
113	The time of the last (current) server tick.	146	The time of the last (current) server tick.
114		147
115	=item $cf::TICK	148	=item $cf::TICK
116		149
117	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.
118		161
119	=item %cf::CFG	162	=item %cf::CFG
120		163
121	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
122	from wherever your confdir points to.	165	from wherever your confdir points to.
123		166
124	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
125		168
126	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
127	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
128	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.
129	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.
130		178
131	=back	179	=back
132		180
133	=cut	181	=cut
134		182
135	BEGIN {	183	BEGIN {
136	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
137	my $msg = join "", @_;	185	my $msg = join "", @_;
138	utf8::encode $msg;
139		186
140	$msg .= "\n"	187	$msg .= "\n"
141	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
142		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
143	LOG llevError, $msg;	193	LOG llevError, $msg;
144	};	194	};
145	}	195	}
146		196
147	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
148	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
149	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
150	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
151	@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';
152	@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)
153		204
154	# 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
155	# within the Safe compartment.	206	# within the Safe compartment.
156	for my $pkg (qw(	207	for my $pkg (qw(
157	cf::global cf::attachable	208	cf::global cf::attachable
…		…
165	}	216	}
166		217
167	$Event::DIED = sub {	218	$Event::DIED = sub {
168	warn "error in event callback: @_";	219	warn "error in event callback: @_";
169	};	220	};
		221
		222	#############################################################################
170		223
171	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
172		225
173	=over 4	226	=over 4
174		227
…		…
193	$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;
194	$d	247	$d
195	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
196	}	249	}
197		250
198	use JSON::Syck (); # TODO# replace by JSON::PC once working
199
200	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
201		252
202	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
203		254
204	=cut
205
206	sub from_json($) {
207	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
208	JSON::Syck::Load $_[0]
209	}
210
211	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
212		256
213	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
214		258
215	=cut	259	=cut
216		260
217	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
218	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
219	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
220	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
221		265
222	=item cf::lock_wait $string	266	=item cf::lock_wait $string
223		267
224	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
225		269
…		…
231	returned.	275	returned.
232		276
233	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
234	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
235		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
236	=cut	284	=cut
237		285
238	our %LOCK;	286	our %LOCK;
239		287
240	sub lock_wait($) {	288	sub lock_wait($) {
…		…
259	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
260	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
261	}	309	}
262	}	310	}
263		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
		316	}
		317
264	sub freeze_mainloop {	318	sub freeze_mainloop {
265	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
266		320
267	my $guard = Coro::guard {	321	my $guard = Coro::guard {
268	$TICK_WATCHER->start;	322	$TICK_WATCHER->start;
269	$WRITE_RUNTIME_WATCHER->start;
270	};	323	};
271	$WRITE_RUNTIME_WATCHER->stop;
272	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
273	$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;
274	}	382	}
275		383
276	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
277		385
278	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
…		…
283		391
284	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
285		393
286	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
287		395
288	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)
289	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
290	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.
291		400
292	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
293	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
294	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
295	fast or be very important.	404	fast or be very important.
…		…
298		407
299	sub sync_job(&) {	408	sub sync_job(&) {
300	my ($job) = @_;	409	my ($job) = @_;
301		410
302	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
303	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
304	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
305		416
306	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
307	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
318		429
319	while ($busy) {	430	while ($busy) {
320	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
321	}	432	}
322		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
323	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
324	} else {	442	} else {
325	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
326		444
327	$job->()	445	$job->()
…		…
346	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
347		465
348	$coro	466	$coro
349	}	467	}
350		468
351	sub write_runtime {	469	=item fork_call { }, $args
352	my $runtime = cf::localdir . "/runtime";
353		470
354	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
355	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.
356		475
357	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
358	# 10 is the runtime save interval, for a monotonic clock
359	# 60 allows for the watchdog to kill the server.
360		477
361	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
362	and return;	479	my ($cb, @args) = @_;
363		480
364	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
365	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
366	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
367		484
368	close $fh	485	my @res = Coro::Util::fork_eval {
369	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
370		489
371	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
372	and return;	491	}
373		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	};
374	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 });
375	}	618	}
376		619
377	=back	620	=back
378		621
379	=cut	622	=cut
…		…
386	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")
387	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
388		631
389	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>
390	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
391	crossfire+).	634	Crossfire TRT).
392		635
393	=over 4	636	=over 4
394		637
395	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
396		639
…		…
559	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
560		803
561	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
562	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
563	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
564	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
565		808
566	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
567	my $pkg = shift @arg;	810	my $pkg = shift @arg;
568		811
569	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
598	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
599	}	842	}
600		843
601	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
602	} else {	845	} else {
603	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
604	}	847	}
605		848
606	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
607	}	850	}
608		851
…		…
610	if (ref $_[0]) {	853	if (ref $_[0]) {
611	_object_attach @_;	854	_object_attach @_;
612	} else {	855	} else {
613	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
614	}	857	}
		858	_recalc_want;
615	};	859	};
616		860
617	# all those should be optimised	861	# all those should be optimised
618	sub cf::attachable::detach {	862	sub cf::attachable::detach {
619	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
622	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
623	reattach ($obj);	867	reattach ($obj);
624	} else {	868	} else {
625	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
626	}	870	}
		871	_recalc_want;
627	};	872	};
628		873
629	sub cf::attachable::attached {	874	sub cf::attachable::attached {
630	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
631		876
…		…
646	";	891	";
647	die if $@;	892	die if $@;
648	}	893	}
649		894
650	our $override;	895	our $override;
651	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?
652		897
653	sub override {	898	sub override {
654	$override = 1;	899	$override = 1;
655	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
656	}	901	}
657		902
658	sub do_invoke {	903	sub do_invoke {
659	my $event = shift;	904	my $event = shift;
660	my $callbacks = shift;	905	my $callbacks = shift;
661		906
662	@invoke_results = ();	907	@INVOKE_RESULTS = ();
663		908
664	local $override;	909	local $override;
665		910
666	for (@$callbacks) {	911	for (@$callbacks) {
667	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
684		929
685	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
686		931
687	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
688	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
689	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
690		935
691	=back	936	=back
692		937
693	=cut	938	=cut
694		939
695	#############################################################################	940	#############################################################################
696	# 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	}
697		953
698	sub reattach {	954	sub reattach {
699	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
700	my ($obj) = @_;	956	my ($obj) = @_;
701		957
…		…
778	}	1034	}
779	} else {	1035	} else {
780	aio_unlink $filename;	1036	aio_unlink $filename;
781	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
782	}	1038	}
783
784	#d##TODO# nuke non .map-files if exist
785	if ($filename =~ s/\.map$//) {
786	aio_unlink $filename;
787	aio_unlink "$filename.pst";
788	}
789	}	1039	}
790	}	1040	}
791		1041
792	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
793	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
799		1049
800	sub object_thawer_load {	1050	sub object_thawer_load {
801	my ($filename) = @_;	1051	my ($filename) = @_;
802		1052
803	my ($data, $av);	1053	my ($data, $av);
804
805	#d#TODO remove .map if file does not exist
806	aio_stat $filename and $filename =~ s/\.map$//;
807		1054
808	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
809	or return;	1056	or return;
810		1057
811	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
813	or return;	1060	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1062	}
816		1063
817	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1066	return ($data, $av);
820	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
821		1074
822	#############################################################################	1075	#############################################################################
823	# command handling &c	1076	# command handling &c
824		1077
825	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1092	}
840		1093
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1095
843	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.
844		1101
845	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
846	called.	1103	called.
847		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
848	=cut	1116	=cut
849		1117
850	sub register_extcmd {	1118	sub register_extcmd {
851	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
852		1120
853	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
854	}	1128	}
855		1129
856	cf::player->attach (	1130	cf::player->attach (
857	on_command => sub {	1131	on_command => sub {
858	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1141	cf::override;
868	},	1142	},
869	on_extcmd => sub {	1143	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
871		1145
872	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1147
874	if (ref $msg) {	1148	if (ref $msg) {
		1149	my ($type, $reply, @payload) =
		1150	"ARRAY" eq ref $msg
		1151	? @$msg
		1152	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1153
		1154	my @reply;
		1155
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1156	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1157	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1158	}
		1159
		1160	$pl->ext_reply ($reply, @reply)
		1161	if $reply;
		1162
880	} else {	1163	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1164	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1165	}
883		1166
884	cf::override;	1167	cf::override;
885	},	1168	},
886	);	1169	);
887		1170
888	sub load_extension {
889	my ($path) = @_;
890
891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
892	my $base = $1;
893	my $pkg = $1;
894	$pkg =~ s/[^[:word:]]/_/g;
895	$pkg = "ext::$pkg";
896
897	warn "... loading '$path' into '$pkg'\n";
898
899	open my $fh, "<:utf8", $path
900	or die "$path: $!";
901
902	my $source =
903	"package $pkg; use strict; use utf8;\n"
904	. "#line 1 \"$path\"\n{\n"
905	. (do { local $/; <$fh> })
906	. "\n};\n1";
907
908	unless (eval $source) {
909	my $msg = $@ ? "$path: $@\n"
910	: "extension disabled.\n";
911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
912	warn $@;
913	warn "mandatory extension failed to load, exiting.\n";
914	exit 1;
915	}
916	die $@;
917	}
918
919	push @EXTS, $pkg;
920	}
921
922	sub load_extensions {	1171	sub load_extensions {
		1172	cf::sync_job {
		1173	my %todo;
		1174
923	for my $ext (<$LIBDIR/*.ext>) {	1175	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1176	next unless -r $path;
925	eval {	1177
926	load_extension $ext;	1178	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1179	my $base = $1;
		1180	my $pkg = $1;
		1181	$pkg =~ s/[^[:word:]]/_/g;
		1182	$pkg = "ext::$pkg";
		1183
		1184	open my $fh, "<:utf8", $path
		1185	or die "$path: $!";
		1186
		1187	my $source = do { local $/; <$fh> };
		1188
		1189	my %ext = (
		1190	path => $path,
		1191	base => $base,
		1192	pkg => $pkg,
		1193	);
		1194
		1195	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1196	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1197
		1198	$ext{source} =
		1199	"package $pkg; use strict; use utf8;\n"
		1200	. "#line 1 \"$path\"\n{\n"
		1201	. $source
		1202	. "\n};\n1";
		1203
		1204	$todo{$base} = \%ext;
		1205	}
		1206
		1207	my %done;
		1208	while (%todo) {
		1209	my $progress;
		1210
		1211	while (my ($k, $v) = each %todo) {
		1212	for (split /,\s*/, $v->{meta}{depends}) {
		1213	goto skip
		1214	unless exists $done{$_};
		1215	}
		1216
		1217	warn "... loading '$k' into '$v->{pkg}'\n";
		1218
		1219	unless (eval $v->{source}) {
		1220	my $msg = $@ ? "$v->{path}: $@\n"
		1221	: "$v->{base}: extension inactive.\n";
		1222
		1223	if (exists $v->{meta}{mandatory}) {
		1224	warn $msg;
		1225	warn "mandatory extension failed to load, exiting.\n";
		1226	exit 1;
		1227	}
		1228
		1229	warn $msg;
		1230	}
		1231
		1232	$done{$k} = delete $todo{$k};
		1233	push @EXTS, $v->{pkg};
		1234	$progress = 1;
927	1	1235	}
928	} or warn "$ext not loaded: $@";	1236
		1237	skip:
		1238	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1239	unless $progress;
		1240	}
929	}	1241	};
930	}	1242	}
931		1243
932	#############################################################################	1244	#############################################################################
933		1245
		1246	=back
		1247
934	=head2 CORE EXTENSIONS	1248	=head2 CORE EXTENSIONS
935		1249
936	Functions and methods that extend core crossfire objects.	1250	Functions and methods that extend core crossfire objects.
937		1251
938	=cut	1252	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1264	Returns the given player object, loading it if necessary (might block).
951		1265
952	=cut	1266	=cut
953		1267
954	sub playerdir($) {	1268	sub playerdir($) {
955	cf::localdir	1269	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1270	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1271	}
961		1272
962	sub path($) {	1273	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1274	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1275
965	(playerdir $login) . "/$login.pl"	1276	(playerdir $login) . "/playerdata"
966	}	1277	}
967		1278
968	sub find_active($) {	1279	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1280	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1281	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1294	my $login = $_[0];
984		1295
985	my $guard = cf::lock_acquire "user_find:$login";	1296	my $guard = cf::lock_acquire "user_find:$login";
986		1297
987	$cf::PLAYER{$_[0]} || do {	1298	$cf::PLAYER{$_[0]} || do {
		1299	# rename old playerfiles to new ones
		1300	#TODO: remove when no longer required
		1301	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1302	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1303	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1304	aio_unlink +(playerdir $login) . "/$login.pl";
		1305
988	my $pl = load_pl path $login	1306	my $pl = load_pl path $login
989	or return;	1307	or return;
990	$cf::PLAYER{$login} = $pl	1308	$cf::PLAYER{$login} = $pl
991	}	1309	}
992	}	1310	}
…		…
1020	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1021		1339
1022	$self	1340	$self
1023	}	1341	}
1024		1342
		1343	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1344
		1345	=cut
		1346
		1347	sub send_msg {
		1348	my $ns = shift->ns
		1349	or return;
		1350	$ns->send_msg (@_);
		1351	}
		1352
1025	=item $pl->quit_character	1353	=item $pl->quit_character
1026		1354
1027	Nukes the player without looking back. If logged in, the connection will	1355	Nukes the player without looking back. If logged in, the connection will
1028	be destroyed. May block for a long time.	1356	be destroyed. May block for a long time.
1029		1357
1030	=cut	1358	=cut
1031		1359
1032	sub quit_character {	1360	sub quit_character {
1033	my ($pl) = @_;	1361	my ($pl) = @_;
		1362
		1363	my $name = $pl->ob->name;
1034		1364
1035	$pl->{deny_save} = 1;	1365	$pl->{deny_save} = 1;
1036	$pl->password ("*"); # this should lock out the player until we nuked the dir	1366	$pl->password ("*"); # this should lock out the player until we nuked the dir
1037		1367
1038	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1368	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1043	my $path = playerdir $pl;	1373	my $path = playerdir $pl;
1044	my $temp = "$path~$cf::RUNTIME~deleting~";	1374	my $temp = "$path~$cf::RUNTIME~deleting~";
1045	aio_rename $path, $temp;	1375	aio_rename $path, $temp;
1046	delete $cf::PLAYER{$pl->ob->name};	1376	delete $cf::PLAYER{$pl->ob->name};
1047	$pl->destroy;	1377	$pl->destroy;
		1378
		1379	my $prefix = qr<^~\Q$name\E/>;
		1380
		1381	# nuke player maps
		1382	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1383
1048	IO::AIO::aio_rmtree $temp;	1384	IO::AIO::aio_rmtree $temp;
		1385	}
		1386
		1387	=item $pl->kick
		1388
		1389	Kicks a player out of the game. This destroys the connection.
		1390
		1391	=cut
		1392
		1393	sub kick {
		1394	my ($pl, $kicker) = @_;
		1395
		1396	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1397	$pl->killer ("kicked");
		1398	$pl->ns->destroy;
1049	}	1399	}
1050		1400
1051	=item cf::player::list_logins	1401	=item cf::player::list_logins
1052		1402
1053	Returns am arrayref of all valid playernames in the system, can take a	1403	Returns am arrayref of all valid playernames in the system, can take a
1054	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1055		1405
1056	=cut	1406	=cut
1057		1407
1058	sub list_logins {	1408	sub list_logins {
1059	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1060	or return [];	1410	or return [];
1061		1411
1062	my @logins;	1412	my @logins;
1063		1413
1064	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1099	}	1449	}
1100		1450
1101	\@paths	1451	\@paths
1102	}	1452	}
1103		1453
		1454	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1455
		1456	Expand crossfire pod fragments into protocol xml.
		1457
		1458	=cut
		1459
		1460	sub expand_cfpod {
		1461	((my $self), (local $_)) = @_;
		1462
		1463	# escape & and <
		1464	s/&/&amp;/g;
		1465	s/(?<![BIUGH])</&lt;/g;
		1466
		1467	# this is buggy, it needs to properly take care of nested <'s
		1468
		1469	1 while
		1470	# replace B<>, I<>, U<> etc.
		1471	s/B<([^\>]*)>/<b>$1<\/b>/
		1472	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1473	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1474	# replace G<male|female> tags
		1475	|| s{G<([^>|]*)\|([^>]*)>}{
		1476	$self->gender ? $2 : $1
		1477	}ge
		1478	# replace H<hint text>
		1479	|| s{H<([^\>]*)>}
		1480	{
		1481	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1482	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1483	"")
		1484	[$self->{hintmode}]
		1485	}ge;
		1486
		1487	# create single paragraphs (very hackish)
		1488	s/(?<=\S)\n(?=\w)/ /g;
		1489
		1490	# compress some whitespace
		1491	s/\s+\n/\n/g; # ws line-ends
		1492	s/\n\n+/\n/g; # double lines
		1493	s/^\n+//; # beginning lines
		1494	s/\n+$//; # ending lines
		1495
		1496	$_
		1497	}
		1498
		1499	sub hintmode {
		1500	$_[0]{hintmode} = $_[1] if @_ > 1;
		1501	$_[0]{hintmode}
		1502	}
		1503
1104	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1105		1505
1106	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1107		1507
1108	=cut	1508	=cut
1109		1509
1110	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1111	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1112		1512
1113	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1114
1115	$self->send ("ext " . cf::to_json \%msg);
1116	}	1514	}
1117		1515
1118	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		1523	my ($self, $type, @msg) = @_;
		1524
		1525	$self->ns->ext_msg ($type, @msg);
		1526	}
		1527
		1528	=head3 cf::region
		1529
		1530	=over 4
		1531
		1532	=cut
		1533
		1534	package cf::region;
		1535
		1536	=item cf::region::find_by_path $path
		1537
		1538	Tries to decuce the likely region for a map knowing only its path.
		1539
		1540	=cut
		1541
		1542	sub find_by_path($) {
		1543	my ($path) = @_;
		1544
		1545	my ($match, $specificity);
		1546
		1547	for my $region (list) {
		1548	if ($region->{match} && $path =~ $region->{match}) {
		1549	($match, $specificity) = ($region, $region->specificity)
		1550	if $region->specificity > $specificity;
		1551	}
		1552	}
		1553
		1554	$match
		1555	}
1119		1556
1120	=back	1557	=back
1121
1122		1558
1123	=head3 cf::map	1559	=head3 cf::map
1124		1560
1125	=over 4	1561	=over 4
1126		1562
…		…
1181	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1182		1618
1183	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1184	local $self->{path};	1620	local $self->{path};
1185	local $self->{load_path};	1621	local $self->{load_path};
1186	local $self->{deny_save};
1187	local $self->{deny_reset};
1188		1622
1189	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1190	}	1624	}
1191		1625
1192	sub normalise {	1626	sub normalise {
…		…
1239	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1240	return $self;	1674	return $self;
1241	}	1675	}
1242	}	1676	}
1243		1677
1244	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1245	()	1679	()
1246	}	1680	}
1247		1681
1248	sub init {	1682	sub init {
1249	my ($self) = @_;	1683	my ($self) = @_;
…		…
1264		1698
1265	# the original (read-only) location	1699	# the original (read-only) location
1266	sub load_path {	1700	sub load_path {
1267	my ($self) = @_;	1701	my ($self) = @_;
1268		1702
1269	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1270	}	1704	}
1271		1705
1272	# the temporary/swap location	1706	# the temporary/swap location
1273	sub save_path {	1707	sub save_path {
1274	my ($self) = @_;	1708	my ($self) = @_;
1275		1709
1276	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1277	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1278	}	1712	}
1279		1713
1280	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1281	sub uniq_path {	1715	sub uniq_path {
1282	my ($self) = @_;	1716	my ($self) = @_;
1283		1717
1284	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1285	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1286	}	1720	}
1287		1721
1288	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1289	# all maps in C++...	1723	# all maps in C++...
1290	sub change_all_map_light {	1724	sub change_all_map_light {
…		…
1292		1726
1293	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1294	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
1295	}	1729	}
1296		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
		1737	}
		1738
1297	sub unlink_save {	1739	sub unlink_save {
1298	my ($self) = @_;	1740	my ($self) = @_;
1299		1741
1300	utf8::encode (my $save = $self->save_path);	1742	utf8::encode (my $save = $self->save_path);
1301	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1743	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1744	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304	#d#TODO remove .map and also nuke
1305	$save =~ s/\.map// or return;#d#
1306	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308	}	1745	}
1309		1746
1310	sub load_header_from($) {	1747	sub load_header_from($) {
1311	my ($self, $path) = @_;	1748	my ($self, $path) = @_;
1312		1749
…		…
1362	$self->load_header_orig	1799	$self->load_header_orig
1363	or return;	1800	or return;
1364	$self->prepare_orig;	1801	$self->prepare_orig;
1365	}	1802	}
1366		1803
		1804	$self->{deny_reset} = 1
		1805	if $self->no_reset;
		1806
		1807	$self->default_region (cf::region::find_by_path $self->{path})
		1808	unless $self->default_region;
		1809
1367	1	1810	1
1368	}	1811	}
1369		1812
1370	sub find;	1813	sub find;
1371	sub find {	1814	sub find {
…		…
1383	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1384		1827
1385	$map->load_header	1828	$map->load_header
1386	or return;	1829	or return;
1387		1830
1388	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1389	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1390	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1391	$map->reset;	1834	$map->reset;
1392	undef $guard;	1835	undef $guard;
1393	return find $path;	1836	return find $path;
…		…
1404	my ($self) = @_;	1847	my ($self) = @_;
1405		1848
1406	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1407		1850
1408	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
1409	my $guard = cf::lock_acquire "map_load:$path";	1854	my $guard = cf::lock_acquire "map_load:$path";
1410		1855
1411	return if $self->in_memory != cf::MAP_SWAPPED;	1856	return if $self->in_memory != cf::MAP_SWAPPED;
1412		1857
1413	$self->in_memory (cf::MAP_LOADING);	1858	$self->in_memory (cf::MAP_LOADING);
1414		1859
1415	$self->alloc;	1860	$self->alloc;
1416		1861
1417	$self->pre_load;	1862	$self->pre_load;
1418
1419	$self->_load_objects ($self->{load_path}, 1)
1420	or return;
1421
1422	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1423	if delete $self->{load_original};
1424
1425	if (my $uniq = $self->uniq_path) {
1426	utf8::encode $uniq;
1427	if (aio_open $uniq, O_RDONLY, 0) {
1428	$self->clear_unique_items;
1429	$self->_load_objects ($uniq, 0);
1430	}
1431	}
1432
1433	Coro::cede;
1434
1435	# now do the right thing for maps
1436	$self->link_multipart_objects;
1437
1438	unless ($self->{deny_activate}) {
1439	$self->decay_objects;
1440	$self->fix_auto_apply;
1441	$self->update_buttons;
1442	Coro::cede;	1863	Coro::cede;
1443	$self->set_darkness_map;	1864
		1865	$self->_load_objects ($self->{load_path}, 1)
		1866	or return;
		1867
		1868	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1869	if delete $self->{load_original};
		1870
		1871	if (my $uniq = $self->uniq_path) {
		1872	utf8::encode $uniq;
		1873	if (aio_open $uniq, O_RDONLY, 0) {
		1874	$self->clear_unique_items;
		1875	$self->_load_objects ($uniq, 0);
		1876	}
		1877	}
		1878
		1879	Coro::cede;
		1880	# now do the right thing for maps
		1881	$self->link_multipart_objects;
1444	$self->difficulty ($self->estimate_difficulty)	1882	$self->difficulty ($self->estimate_difficulty)
1445	unless $self->difficulty;	1883	unless $self->difficulty;
1446	Coro::cede;	1884	Coro::cede;
		1885
		1886	unless ($self->{deny_activate}) {
		1887	$self->decay_objects;
		1888	$self->fix_auto_apply;
		1889	$self->update_buttons;
		1890	Coro::cede;
		1891	$self->set_darkness_map;
		1892	Coro::cede;
1447	$self->activate;	1893	$self->activate;
		1894	}
		1895
		1896	$self->{last_save} = $cf::RUNTIME;
		1897	$self->last_access ($cf::RUNTIME);
		1898
		1899	$self->in_memory (cf::MAP_IN_MEMORY);
1448	}	1900	}
1449		1901
1450	$self->post_load;	1902	$self->post_load;
1451
1452	$self->in_memory (cf::MAP_IN_MEMORY);
1453	}	1903	}
1454		1904
1455	sub customise_for {	1905	sub customise_for {
1456	my ($self, $ob) = @_;	1906	my ($self, $ob) = @_;
1457		1907
1458	return find "~" . $ob->name . "/" . $self->{path}	1908	return find "~" . $ob->name . "/" . $self->{path}
1459	if $self->per_player;	1909	if $self->per_player;
1460		1910
		1911	# return find "?party/" . $ob->name . "/" . $self->{path}
		1912	# if $self->per_party;
		1913
1461	$self	1914	$self
1462	}	1915	}
1463		1916
1464	# find and load all maps in the 3x3 area around a map	1917	# find and load all maps in the 3x3 area around a map
1465	sub load_diag {	1918	sub load_neighbours {
1466	my ($map) = @_;	1919	my ($map) = @_;
1467		1920
1468	my @diag; # diagonal neighbours	1921	my @neigh; # diagonal neighbours
1469		1922
1470	for (0 .. 3) {	1923	for (0 .. 3) {
1471	my $neigh = $map->tile_path ($_)	1924	my $neigh = $map->tile_path ($_)
1472	or next;	1925	or next;
1473	$neigh = find $neigh, $map	1926	$neigh = find $neigh, $map
1474	or next;	1927	or next;
1475	$neigh->load;	1928	$neigh->load;
1476		1929
		1930	push @neigh,
1477	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1931	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1478	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1932	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1479	}	1933	}
1480		1934
1481	for (@diag) {	1935	for (grep defined $_->[0], @neigh) {
		1936	my ($path, $origin) = @$_;
1482	my $neigh = find @$_	1937	my $neigh = find $path, $origin
1483	or next;	1938	or next;
1484	$neigh->load;	1939	$neigh->load;
1485	}	1940	}
1486	}	1941	}
1487		1942
…		…
1492	}	1947	}
1493		1948
1494	sub do_load_sync {	1949	sub do_load_sync {
1495	my ($map) = @_;	1950	my ($map) = @_;
1496		1951
		1952	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1953	if $Coro::current == $Coro::main;
		1954
1497	cf::sync_job { $map->load };	1955	cf::sync_job { $map->load };
1498	}	1956	}
1499		1957
1500	our %MAP_PREFETCH;	1958	our %MAP_PREFETCH;
1501	our $MAP_PREFETCHER = undef;	1959	our $MAP_PREFETCHER = undef;
1502		1960
1503	sub find_async {	1961	sub find_async {
1504	my ($path, $origin) = @_;	1962	my ($path, $origin, $load) = @_;
1505		1963
1506	$path = normalise $path, $origin && $origin->{path};	1964	$path = normalise $path, $origin && $origin->{path};
1507		1965
1508	if (my $map = $cf::MAP{$path}) {	1966	if (my $map = $cf::MAP{$path}) {
1509	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1967	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1510	}	1968	}
1511		1969
1512	undef $MAP_PREFETCH{$path};	1970	$MAP_PREFETCH{$path} |= $load;
		1971
1513	$MAP_PREFETCHER ||= cf::async {	1972	$MAP_PREFETCHER ||= cf::async {
1514	while (%MAP_PREFETCH) {	1973	while (%MAP_PREFETCH) {
1515	for my $path (keys %MAP_PREFETCH) {	1974	while (my ($k, $v) = each %MAP_PREFETCH) {
1516	my $map = find $path	1975	if (my $map = find $k) {
1517	or next;
1518	$map->load;	1976	$map->load if $v;
		1977	}
1519		1978
1520	delete $MAP_PREFETCH{$path};	1979	delete $MAP_PREFETCH{$k};
1521	}	1980	}
1522	}	1981	}
1523	undef $MAP_PREFETCHER;	1982	undef $MAP_PREFETCHER;
1524	};	1983	};
1525	$MAP_PREFETCHER->prio (6);	1984	$MAP_PREFETCHER->prio (6);
…		…
1575		2034
1576	sub reset_at {	2035	sub reset_at {
1577	my ($self) = @_;	2036	my ($self) = @_;
1578		2037
1579	# TODO: safety, remove and allow resettable per-player maps	2038	# TODO: safety, remove and allow resettable per-player maps
1580	return 1e99 if $self->isa ("ext::map_per_player");#d#
1581	return 1e99 if $self->{deny_reset};	2039	return 1e99 if $self->{deny_reset};
1582		2040
1583	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2041	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1584	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2042	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1585		2043
…		…
1596	my ($self) = @_;	2054	my ($self) = @_;
1597		2055
1598	my $lock = cf::lock_acquire "map_data:$self->{path}";	2056	my $lock = cf::lock_acquire "map_data:$self->{path}";
1599		2057
1600	return if $self->players;	2058	return if $self->players;
1601	return if $self->isa ("ext::map_per_player");#d#
1602		2059
1603	warn "resetting map ", $self->path;#d#	2060	warn "resetting map ", $self->path;
		2061
		2062	$self->in_memory (cf::MAP_SWAPPED);
		2063
		2064	# need to save uniques path
		2065	unless ($self->{deny_save}) {
		2066	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2067
		2068	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2069	if $uniq;
		2070	}
1604		2071
1605	delete $cf::MAP{$self->path};	2072	delete $cf::MAP{$self->path};
1606		2073
1607	$self->in_memory (cf::MAP_SWAPPED);
1608	$self->clear;	2074	$self->clear;
1609		2075
1610	$_->clear_links_to ($self) for values %cf::MAP;	2076	$_->clear_links_to ($self) for values %cf::MAP;
1611		2077
1612	$self->unlink_save;	2078	$self->unlink_save;
…		…
1631	$cf::MAP{$self->path} = $self;	2097	$cf::MAP{$self->path} = $self;
1632		2098
1633	$self->reset; # polite request, might not happen	2099	$self->reset; # polite request, might not happen
1634	}	2100	}
1635		2101
		2102	=item $maps = cf::map::tmp_maps
		2103
		2104	Returns an arrayref with all map paths of currently instantiated and saved
		2105	maps. May block.
		2106
		2107	=cut
		2108
		2109	sub tmp_maps() {
		2110	[
		2111	map {
		2112	utf8::decode $_;
		2113	/\.map$/
		2114	? normalise $_
		2115	: ()
		2116	} @{ aio_readdir $TMPDIR or [] }
		2117	]
		2118	}
		2119
		2120	=item $maps = cf::map::random_maps
		2121
		2122	Returns an arrayref with all map paths of currently instantiated and saved
		2123	random maps. May block.
		2124
		2125	=cut
		2126
		2127	sub random_maps() {
		2128	[
		2129	map {
		2130	utf8::decode $_;
		2131	/\.map$/
		2132	? normalise "?random/$_"
		2133	: ()
		2134	} @{ aio_readdir $RANDOMDIR or [] }
		2135	]
		2136	}
		2137
1636	=item cf::map::unique_maps	2138	=item cf::map::unique_maps
1637		2139
1638	Returns an arrayref of paths of all shared maps that have	2140	Returns an arrayref of paths of all shared maps that have
1639	instantiated unique items. May block.	2141	instantiated unique items. May block.
1640		2142
1641	=cut	2143	=cut
1642		2144
1643	sub unique_maps() {	2145	sub unique_maps() {
1644	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2146	[
1645	or return;	2147	map {
1646
1647	my @paths;
1648
1649	for (@$files) {
1650	utf8::decode $_;	2148	utf8::decode $_;
1651	next if /\.pst$/;	2149	/\.map$/
1652	next unless /^$PATH_SEP/o;	2150	? normalise $_
1653		2151	: ()
1654	push @paths, cf::map::normalise $_;	2152	} @{ aio_readdir $UNIQUEDIR or [] }
1655	}	2153	]
1656
1657	\@paths
1658	}	2154	}
1659		2155
1660	package cf;	2156	package cf;
1661		2157
1662	=back	2158	=back
…		…
1708		2204
1709	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2205	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1710		2206
1711	if ($self->{record_replies}) {	2207	if ($self->{record_replies}) {
1712	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2208	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2209
1713	} else {	2210	} else {
		2211	my $pl = $self->contr;
		2212
		2213	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2214	my $dialog = $pl->{npc_dialog};
		2215	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2216
		2217	} else {
1714	$msg = $npc->name . " says: $msg" if $npc;	2218	$msg = $npc->name . " says: $msg" if $npc;
1715	$self->message ($msg, $flags);	2219	$self->message ($msg, $flags);
		2220	}
1716	}	2221	}
		2222	}
		2223
		2224	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2225
		2226	=cut
		2227
		2228	sub cf::object::send_msg {
		2229	my $pl = shift->contr
		2230	or return;
		2231	$pl->send_msg (@_);
1717	}	2232	}
1718		2233
1719	=item $player_object->may ("access")	2234	=item $player_object->may ("access")
1720		2235
1721	Returns wether the given player is authorized to access resource "access"	2236	Returns wether the given player is authorized to access resource "access"
…		…
1768	$self->deactivate_recursive;	2283	$self->deactivate_recursive;
1769		2284
1770	return if UNIVERSAL::isa $self->map, "ext::map_link";	2285	return if UNIVERSAL::isa $self->map, "ext::map_link";
1771		2286
1772	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2287	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1773	if $self->map;	2288	if $self->map && $self->map->{path} ne "{link}";
1774		2289
1775	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2290	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1776	}	2291	}
1777		2292
1778	sub cf::object::player::leave_link {	2293	sub cf::object::player::leave_link {
1779	my ($self, $map, $x, $y) = @_;	2294	my ($self, $map, $x, $y) = @_;
		2295
		2296	return unless $self->contr->active;
1780		2297
1781	my $link_pos = delete $self->{_link_pos};	2298	my $link_pos = delete $self->{_link_pos};
1782		2299
1783	unless ($map) {	2300	unless ($map) {
1784	# restore original map position	2301	# restore original map position
…		…
1798	# use -1 or undef as default coordinates, not 0, 0	2315	# use -1 or undef as default coordinates, not 0, 0
1799	($x, $y) = ($map->enter_x, $map->enter_y)	2316	($x, $y) = ($map->enter_x, $map->enter_y)
1800	if $x <=0 && $y <= 0;	2317	if $x <=0 && $y <= 0;
1801		2318
1802	$map->load;	2319	$map->load;
1803	$map->load_diag;	2320	$map->load_neighbours;
1804		2321
1805	return unless $self->contr->active;	2322	return unless $self->contr->active;
1806	$self->activate_recursive;	2323	$self->activate_recursive;
		2324
		2325	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807	$self->enter_map ($map, $x, $y);	2326	$self->enter_map ($map, $x, $y);
1808	}	2327	}
1809		2328
1810	cf::player->attach (	2329	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1811	on_logout => sub {
1812	my ($pl) = @_;
1813		2330
1814	# abort map switching before logout	2331	Moves the player to the given map-path and coordinates by first freezing
1815	if ($pl->ob->{_link_pos}) {	2332	her, loading and preparing them map, calling the provided $check callback
1816	cf::sync_job {	2333	that has to return the map if sucecssful, and then unfreezes the player on
1817	$pl->ob->leave_link	2334	the new (success) or old (failed) map position. In either case, $done will
1818	};	2335	be called at the end of this process.
1819	}
1820	},
1821	on_login => sub {
1822	my ($pl) = @_;
1823		2336
1824	# try to abort aborted map switching on player login :)
1825	# should happen only on crashes
1826	if ($pl->ob->{_link_pos}) {
1827	$pl->ob->enter_link;
1828	(async {
1829	# we need this sleep as the login has a concurrent enter_exit running
1830	# and this sleep increases chances of the player not ending up in scorn
1831	$pl->ob->reply (undef,
1832	"There was an internal problem at your last logout, "
1833	. "the server will try to bring you to your intended destination in a second.",
1834	cf::NDI_RED);
1835	Coro::Timer::sleep 1;
1836	$pl->ob->leave_link;
1837	})->prio (2);
1838	}
1839	},
1840	);
1841
1842	=item $player_object->goto ($path, $x, $y)
1843
1844	=cut	2337	=cut
		2338
		2339	our $GOTOGEN;
1845		2340
1846	sub cf::object::player::goto {	2341	sub cf::object::player::goto {
1847	my ($self, $path, $x, $y) = @_;	2342	my ($self, $path, $x, $y, $check, $done) = @_;
		2343
		2344	# do generation counting so two concurrent goto's will be executed in-order
		2345	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1848		2346
1849	$self->enter_link;	2347	$self->enter_link;
1850		2348
1851	(async {	2349	(async {
1852	my $map = eval {	2350	my $map = eval {
1853	my $map = cf::map::find $path;	2351	my $map = cf::map::find $path;
		2352
		2353	if ($map) {
1854	$map = $map->customise_for ($self) if $map;	2354	$map = $map->customise_for ($self);
		2355	$map = $check->($map) if $check && $map;
		2356	} else {
		2357	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2358	}
		2359
1855	$map	2360	$map
		2361	};
		2362
		2363	if ($@) {
		2364	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2365	LOG llevError | logBacktrace, Carp::longmess $@;
1856	} or	2366	}
1857	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1858		2367
		2368	if ($gen == $self->{_goto_generation}) {
		2369	delete $self->{_goto_generation};
1859	$self->leave_link ($map, $x, $y);	2370	$self->leave_link ($map, $x, $y);
		2371	}
		2372
		2373	$done->() if $done;
1860	})->prio (1);	2374	})->prio (1);
1861	}	2375	}
1862		2376
1863	=item $player_object->enter_exit ($exit_object)	2377	=item $player_object->enter_exit ($exit_object)
1864		2378
…		…
1903		2417
1904	$rmp->{random_seed} ||= $exit->random_seed;	2418	$rmp->{random_seed} ||= $exit->random_seed;
1905		2419
1906	my $data = cf::to_json $rmp;	2420	my $data = cf::to_json $rmp;
1907	my $md5 = Digest::MD5::md5_hex $data;	2421	my $md5 = Digest::MD5::md5_hex $data;
1908	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2422	my $meta = "$RANDOMDIR/$md5.meta";
1909		2423
1910	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2424	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1911	aio_write $fh, 0, (length $data), $data, 0;	2425	aio_write $fh, 0, (length $data), $data, 0;
1912	undef $fh;	2426	undef $fh;
1913	aio_rename "$meta~", $meta;	2427	aio_rename "$meta~", $meta;
…		…
1922		2436
1923	return unless $self->type == cf::PLAYER;	2437	return unless $self->type == cf::PLAYER;
1924		2438
1925	if ($exit->slaying eq "/!") {	2439	if ($exit->slaying eq "/!") {
1926	#TODO: this should de-fi-ni-te-ly not be a sync-job	2440	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2441	# the problem is that $exit might not survive long enough
		2442	# so it needs to be done right now, right here
1927	cf::sync_job { prepare_random_map $exit };	2443	cf::sync_job { prepare_random_map $exit };
1928	}	2444	}
1929		2445
1930	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2446	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1931	my $hp = $exit->stats->hp;	2447	my $hp = $exit->stats->hp;
1932	my $sp = $exit->stats->sp;	2448	my $sp = $exit->stats->sp;
1933		2449
1934	$self->enter_link;	2450	$self->enter_link;
		2451
		2452	# if exit is damned, update players death & WoR home-position
		2453	$self->contr->savebed ($slaying, $hp, $sp)
		2454	if $exit->flag (FLAG_DAMNED);
1935		2455
1936	(async {	2456	(async {
1937	$self->deactivate_recursive; # just to be sure	2457	$self->deactivate_recursive; # just to be sure
1938	unless (eval {	2458	unless (eval {
1939	$self->goto ($slaying, $hp, $sp);	2459	$self->goto ($slaying, $hp, $sp);
1940		2460
1941	1;	2461	1;
1942	}) {	2462	}) {
1943	$self->message ("Something went wrong deep within the crossfire server. "	2463	$self->message ("Something went wrong deep within the crossfire server. "
1944	. "I'll try to bring you back to the map you were before. "	2464	. "I'll try to bring you back to the map you were before. "
1945	. "Please report this to the dungeon master!",	2465	. "Please report this to the dungeon master!",
1946	cf::NDI_UNIQUE | cf::NDI_RED);	2466	cf::NDI_UNIQUE | cf::NDI_RED);
1947		2467
1948	warn "ERROR in enter_exit: $@";	2468	warn "ERROR in enter_exit: $@";
1949	$self->leave_link;	2469	$self->leave_link;
1950	}	2470	}
1951	})->prio (1);	2471	})->prio (1);
…		…
1964		2484
1965	sub cf::client::send_drawinfo {	2485	sub cf::client::send_drawinfo {
1966	my ($self, $text, $flags) = @_;	2486	my ($self, $text, $flags) = @_;
1967		2487
1968	utf8::encode $text;	2488	utf8::encode $text;
1969	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2489	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1970	}	2490	}
1971		2491
		2492	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2493
		2494	Send a drawinfo or msg packet to the client, formatting the msg for the
		2495	client if neccessary. C<$type> should be a string identifying the type of
		2496	the message, with C<log> being the default. If C<$color> is negative, suppress
		2497	the message unless the client supports the msg packet.
		2498
		2499	=cut
		2500
		2501	sub cf::client::send_msg {
		2502	my ($self, $channel, $msg, $color, @extra) = @_;
		2503
		2504	$msg = $self->pl->expand_cfpod ($msg);
		2505
		2506	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2507
		2508	if (ref $channel) {
		2509	# send meta info to client, if not yet sent
		2510	unless (exists $self->{channel}{$channel->{id}}) {
		2511	$self->{channel}{$channel->{id}} = $channel;
		2512	$self->ext_msg (channel_info => $channel);
		2513	}
		2514
		2515	$channel = $channel->{id};
		2516	}
		2517
		2518	return unless @extra || length $msg;
		2519
		2520	if ($self->can_msg) {
		2521	# default colour, mask it out
		2522	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2523	if $color & cf::NDI_DEF;
		2524
		2525	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2526	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2527	} else {
		2528	if ($color >= 0) {
		2529	# replace some tags by gcfclient-compatible ones
		2530	for ($msg) {
		2531	1 while
		2532	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2533	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2534	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2535	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2536	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2537	}
		2538
		2539	$color &= cf::NDI_COLOR_MASK;
		2540
		2541	utf8::encode $msg;
		2542
		2543	if (0 && $msg =~ /\[/) {
		2544	# COMMAND/INFO
		2545	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2546	} else {
		2547	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2548	$self->send_packet ("drawinfo $color $msg")
		2549	}
		2550	}
		2551	}
		2552	}
		2553
		2554	=item $client->ext_msg ($type, @msg)
		2555
		2556	Sends an ext event to the client.
		2557
		2558	=cut
		2559
		2560	sub cf::client::ext_msg($$@) {
		2561	my ($self, $type, @msg) = @_;
		2562
		2563	if ($self->extcmd == 2) {
		2564	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2565	} elsif ($self->extcmd == 1) { # TODO: remove
		2566	push @msg, msgtype => "event_$type";
		2567	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2568	}
		2569	}
		2570
		2571	=item $client->ext_reply ($msgid, @msg)
		2572
		2573	Sends an ext reply to the client.
		2574
		2575	=cut
		2576
		2577	sub cf::client::ext_reply($$@) {
		2578	my ($self, $id, @msg) = @_;
		2579
		2580	if ($self->extcmd == 2) {
		2581	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2582	} elsif ($self->extcmd == 1) {
		2583	#TODO: version 1, remove
		2584	unshift @msg, msgtype => "reply", msgid => $id;
		2585	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2586	}
		2587	}
1972		2588
1973	=item $success = $client->query ($flags, "text", \&cb)	2589	=item $success = $client->query ($flags, "text", \&cb)
1974		2590
1975	Queues a query to the client, calling the given callback with	2591	Queues a query to the client, calling the given callback with
1976	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2592	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1977	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2593	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1978		2594
1979	Queries can fail, so check the return code. Or don't, as queries will become	2595	Queries can fail, so check the return code. Or don't, as queries will
1980	reliable at some point in the future.	2596	become reliable at some point in the future.
1981		2597
1982	=cut	2598	=cut
1983		2599
1984	sub cf::client::query {	2600	sub cf::client::query {
1985	my ($self, $flags, $text, $cb) = @_;	2601	my ($self, $flags, $text, $cb) = @_;
…		…
1993	utf8::encode $text;	2609	utf8::encode $text;
1994	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2610	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1995		2611
1996	$self->send_packet ($self->{query_queue}[0][0])	2612	$self->send_packet ($self->{query_queue}[0][0])
1997	if @{ $self->{query_queue} } == 1;	2613	if @{ $self->{query_queue} } == 1;
		2614
		2615	1
1998	}	2616	}
1999		2617
2000	cf::client->attach (	2618	cf::client->attach (
		2619	on_connect => sub {
		2620	my ($ns) = @_;
		2621
		2622	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2623	},
2001	on_reply => sub {	2624	on_reply => sub {
2002	my ($ns, $msg) = @_;	2625	my ($ns, $msg) = @_;
2003		2626
2004	# this weird shuffling is so that direct followup queries	2627	# this weird shuffling is so that direct followup queries
2005	# get handled first	2628	# get handled first
…		…
2017	} else {	2640	} else {
2018	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2641	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2019	}	2642	}
2020	}	2643	}
2021	},	2644	},
		2645	on_exticmd => sub {
		2646	my ($ns, $buf) = @_;
		2647
		2648	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2649
		2650	if (ref $msg) {
		2651	my ($type, $reply, @payload) =
		2652	"ARRAY" eq ref $msg
		2653	? @$msg
		2654	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2655
		2656	my @reply;
		2657
		2658	if (my $cb = $EXTICMD{$type}) {
		2659	@reply = $cb->($ns, @payload);
		2660	}
		2661
		2662	$ns->ext_reply ($reply, @reply)
		2663	if $reply;
		2664
		2665	} else {
		2666	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2667	}
		2668
		2669	cf::override;
		2670	},
2022	);	2671	);
2023		2672
2024	=item $client->async (\&cb)	2673	=item $client->async (\&cb)
2025		2674
2026	Create a new coroutine, running the specified callback. The coroutine will	2675	Create a new coroutine, running the specified callback. The coroutine will
…		…
2067	our $safe = new Safe "safe";	2716	our $safe = new Safe "safe";
2068	our $safe_hole = new Safe::Hole;	2717	our $safe_hole = new Safe::Hole;
2069		2718
2070	$SIG{FPE} = 'IGNORE';	2719	$SIG{FPE} = 'IGNORE';
2071		2720
2072	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2721	$safe->permit_only (Opcode::opset qw(
		2722	:base_core :base_mem :base_orig :base_math
		2723	grepstart grepwhile mapstart mapwhile
		2724	sort time
		2725	));
2073		2726
2074	# here we export the classes and methods available to script code	2727	# here we export the classes and methods available to script code
2075		2728
2076	=pod	2729	=pod
2077		2730
2078	The following fucntions and emthods are available within a safe environment:	2731	The following functions and methods are available within a safe environment:
2079		2732
2080	cf::object contr pay_amount pay_player map	2733	cf::object
		2734	contr pay_amount pay_player map x y force_find force_add
		2735	insert remove name archname title slaying race decrease_ob_nr
		2736
2081	cf::object::player player	2737	cf::object::player
2082	cf::player peaceful	2738	player
2083	cf::map trigger	2739
		2740	cf::player
		2741	peaceful
		2742
		2743	cf::map
		2744	trigger
2084		2745
2085	=cut	2746	=cut
2086		2747
2087	for (	2748	for (
2088	["cf::object" => qw(contr pay_amount pay_player map)],	2749	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2750	insert remove inv name archname title slaying race
		2751	decrease_ob_nr)],
2089	["cf::object::player" => qw(player)],	2752	["cf::object::player" => qw(player)],
2090	["cf::player" => qw(peaceful)],	2753	["cf::player" => qw(peaceful)],
2091	["cf::map" => qw(trigger)],	2754	["cf::map" => qw(trigger)],
2092	) {	2755	) {
2093	no strict 'refs';	2756	no strict 'refs';
…		…
2164	=back	2827	=back
2165		2828
2166	=cut	2829	=cut
2167		2830
2168	#############################################################################	2831	#############################################################################
2169
2170	=head2 EXTENSION DATABASE SUPPORT
2171
2172	Crossfire maintains a very simple database for extension use. It can
2173	currently store anything that can be serialised using Storable, which
2174	excludes objects.
2175
2176	The parameter C<$family> should best start with the name of the extension
2177	using it, it should be unique.
2178
2179	=over 4
2180
2181	=item $hashref = cf::db_get $family
2182
2183	Return a hashref for use by the extension C<$family>, which can be
2184	modified. After modifications, you have to call C<cf::db_dirty> or
2185	C<cf::db_sync>.
2186
2187	=item $value = cf::db_get $family => $key
2188
2189	Returns a single value from the database
2190
2191	=item cf::db_put $family => $hashref
2192
2193	Stores the given family hashref into the database. Updates are delayed, if
2194	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195
2196	=item cf::db_put $family => $key => $value
2197
2198	Stores the given C<$value> in the family hash. Updates are delayed, if you
2199	want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201	=item cf::db_dirty
2202
2203	Marks the database as dirty, to be updated at a later time.
2204
2205	=item cf::db_sync
2206
2207	Immediately write the database to disk I<if it is dirty>.
2208
2209	=cut
2210
2211	our $DB;
2212
2213	{
2214	my $path = cf::localdir . "/database.pst";
2215
2216	sub db_load() {
2217	$DB = stat $path ? Storable::retrieve $path : { };
2218	}
2219
2220	my $pid;
2221
2222	sub db_save() {
2223	waitpid $pid, 0 if $pid;
2224	if (0 == ($pid = fork)) {
2225	$DB->{_meta}{version} = 1;
2226	Storable::nstore $DB, "$path~";
2227	rename "$path~", $path;
2228	cf::_exit 0 if defined $pid;
2229	}
2230	}
2231
2232	my $dirty;
2233
2234	sub db_sync() {
2235	db_save if $dirty;
2236	undef $dirty;
2237	}
2238
2239	my $idle = Event->idle (
2240	reentrant => 0,
2241	min => 10,
2242	max => 20,
2243	repeat => 0,
2244	data => WF_AUTOCANCEL,
2245	cb => \&db_sync,
2246	);
2247
2248	sub db_dirty() {
2249	$dirty = 1;
2250	$idle->start;
2251	}
2252
2253	sub db_get($;$) {
2254	@_ >= 2
2255	? $DB->{$_[0]}{$_[1]}
2256	: ($DB->{$_[0]} ||= { })
2257	}
2258
2259	sub db_put($$;$) {
2260	if (@_ >= 3) {
2261	$DB->{$_[0]}{$_[1]} = $_[2];
2262	} else {
2263	$DB->{$_[0]} = $_[1];
2264	}
2265	db_dirty;
2266	}
2267
2268	cf::global->attach (
2269	prio => 10000,
2270	on_cleanup => sub {
2271	db_sync;
2272	},
2273	);
2274	}
2275
2276	#############################################################################
2277	# the server's init and main functions	2832	# the server's init and main functions
2278		2833
2279	sub load_resources {	2834	sub load_facedata($) {
2280	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2835	my ($path) = @_;
		2836
		2837	my $enc = JSON::XS->new->utf8->canonical;
		2838
		2839	warn "loading facedata from $path\n";
		2840
		2841	my $facedata;
		2842	0 < aio_load $path, $facedata
		2843	or die "$path: $!";
		2844
		2845	$facedata = Coro::Storable::thaw $facedata;
		2846
		2847	$facedata->{version} == 2
		2848	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2849
		2850	# patch in the exptable
		2851	$facedata->{resource}{"res/exp_table"} = {
		2852	type => FT_RSRC,
		2853	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2854	};
		2855	cf::cede_to_tick;
		2856
		2857	{
		2858	my $faces = $facedata->{faceinfo};
		2859
		2860	while (my ($face, $info) = each %$faces) {
		2861	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2862	cf::face::set_visibility $idx, $info->{visibility};
		2863	cf::face::set_magicmap $idx, $info->{magicmap};
		2864	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2865	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2866
		2867	cf::cede_to_tick;
		2868	}
		2869
		2870	while (my ($face, $info) = each %$faces) {
		2871	next unless $info->{smooth};
		2872	my $idx = cf::face::find $face
		2873	or next;
		2874	if (my $smooth = cf::face::find $info->{smooth}) {
		2875	cf::face::set_smooth $idx, $smooth;
		2876	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2877	} else {
		2878	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2879	}
		2880
		2881	cf::cede_to_tick;
		2882	}
		2883	}
		2884
		2885	{
		2886	my $anims = $facedata->{animinfo};
		2887
		2888	while (my ($anim, $info) = each %$anims) {
		2889	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2890	cf::cede_to_tick;
		2891	}
		2892
		2893	cf::anim::invalidate_all; # d'oh
		2894	}
		2895
		2896	{
		2897	# TODO: for gcfclient pleasure, we should give resources
		2898	# that gcfclient doesn't grok a >10000 face index.
		2899	my $res = $facedata->{resource};
		2900
		2901	my $soundconf = delete $res->{"res/sound.conf"};
		2902
		2903	while (my ($name, $info) = each %$res) {
		2904	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2905	my $data;
		2906
		2907	if ($info->{type} & 1) {
		2908	# prepend meta info
		2909
		2910	my $meta = $enc->encode ({
		2911	name => $name,
		2912	%{ $info->{meta} || {} },
		2913	});
		2914
		2915	$data = pack "(w/a*)*", $meta, $info->{data};
		2916	} else {
		2917	$data = $info->{data};
		2918	}
		2919
		2920	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2921	cf::face::set_type $idx, $info->{type};
		2922
		2923	cf::cede_to_tick;
		2924	}
		2925
		2926	if ($soundconf) {
		2927	$soundconf = $enc->decode (delete $soundconf->{data});
		2928
		2929	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2930	my $sound = $soundconf->{compat}[$_]
		2931	or next;
		2932
		2933	my $face = cf::face::find "sound/$sound->[1]";
		2934	cf::sound::set $sound->[0] => $face;
		2935	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2936	}
		2937
		2938	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2939	my $face = cf::face::find "sound/$v";
		2940	cf::sound::set $k => $face;
		2941	}
		2942	}
		2943	}
		2944
		2945	1
		2946	}
		2947
		2948	register_exticmd fx_want => sub {
		2949	my ($ns, $want) = @_;
		2950
		2951	while (my ($k, $v) = each %$want) {
		2952	$ns->fx_want ($k, $v);
		2953	}
		2954	};
		2955
		2956	sub reload_regions {
		2957	load_resource_file "$MAPDIR/regions"
2281	or die "unable to load regions file\n";#d#	2958	or die "unable to load regions file\n";
		2959
		2960	for (cf::region::list) {
		2961	$_->{match} = qr/$_->{match}/
		2962	if exists $_->{match};
		2963	}
		2964	}
		2965
		2966	sub reload_facedata {
		2967	load_facedata "$DATADIR/facedata"
		2968	or die "unable to load facedata\n";
		2969	}
		2970
		2971	sub reload_archetypes {
		2972	load_resource_file "$DATADIR/archetypes"
		2973	or die "unable to load archetypes\n";
		2974	#d# NEED to laod twice to resolve forward references
		2975	# this really needs to be done in an extra post-pass
		2976	# (which needs to be synchronous, so solve it differently)
		2977	load_resource_file "$DATADIR/archetypes"
		2978	or die "unable to load archetypes\n";
		2979	}
		2980
		2981	sub reload_treasures {
		2982	load_resource_file "$DATADIR/treasures"
		2983	or die "unable to load treasurelists\n";
		2984	}
		2985
		2986	sub reload_resources {
		2987	warn "reloading resource files...\n";
		2988
		2989	reload_regions;
		2990	reload_facedata;
		2991	#reload_archetypes;#d#
		2992	reload_archetypes;
		2993	reload_treasures;
		2994
		2995	warn "finished reloading resource files\n";
		2996	}
		2997
		2998	sub init {
		2999	reload_resources;
2282	}	3000	}
2283		3001
2284	sub cfg_load {	3002	sub cfg_load {
2285	open my $fh, "<:utf8", cf::confdir . "/config"	3003	open my $fh, "<:utf8", "$CONFDIR/config"
2286	or return;	3004	or return;
2287		3005
2288	local $/;	3006	local $/;
2289	*CFG = YAML::Syck::Load <$fh>;	3007	*CFG = YAML::Syck::Load <$fh>;
2290		3008
…		…
2298	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3016	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299	and die "WARNING: m(un)lockall failed: $!\n";	3017	and die "WARNING: m(un)lockall failed: $!\n";
2300	};	3018	};
2301	warn $@ if $@;	3019	warn $@ if $@;
2302	}	3020	}
2303	}
2304
2305	sub init {
2306	load_resources;
2307	}	3021	}
2308		3022
2309	sub main {	3023	sub main {
2310	# we must not ever block the main coroutine	3024	# we must not ever block the main coroutine
2311	local $Coro::idle = sub {	3025	local $Coro::idle = sub {
…		…
2314	Event::one_event;	3028	Event::one_event;
2315	})->prio (Coro::PRIO_MAX);	3029	})->prio (Coro::PRIO_MAX);
2316	};	3030	};
2317		3031
2318	cfg_load;	3032	cfg_load;
2319	db_load;	3033	db_init;
2320	load_extensions;	3034	load_extensions;
2321		3035
2322	$TICK_WATCHER->start;	3036	$TICK_WATCHER->start;
2323	Event::loop;	3037	Event::loop;
2324	}	3038	}
…		…
2339	},	3053	},
2340	);	3054	);
2341	}	3055	}
2342	}	3056	}
2343		3057
		3058	sub write_runtime {
		3059	my $runtime = "$LOCALDIR/runtime";
		3060
		3061	# first touch the runtime file to show we are still running:
		3062	# the fsync below can take a very very long time.
		3063
		3064	IO::AIO::aio_utime $runtime, undef, undef;
		3065
		3066	my $guard = cf::lock_acquire "write_runtime";
		3067
		3068	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3069	or return;
		3070
		3071	my $value = $cf::RUNTIME + 90 + 10;
		3072	# 10 is the runtime save interval, for a monotonic clock
		3073	# 60 allows for the watchdog to kill the server.
		3074
		3075	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3076	and return;
		3077
		3078	# always fsync - this file is important
		3079	aio_fsync $fh
		3080	and return;
		3081
		3082	# touch it again to show we are up-to-date
		3083	aio_utime $fh, undef, undef;
		3084
		3085	close $fh
		3086	or return;
		3087
		3088	aio_rename "$runtime~", $runtime
		3089	and return;
		3090
		3091	warn "runtime file written.\n";
		3092
		3093	1
		3094	}
		3095
2344	sub emergency_save() {	3096	sub emergency_save() {
2345	my $freeze_guard = cf::freeze_mainloop;	3097	my $freeze_guard = cf::freeze_mainloop;
2346		3098
2347	warn "enter emergency perl save\n";	3099	warn "enter emergency perl save\n";
2348		3100
…		…
2363	my $map = $cf::MAP{$path} or next;	3115	my $map = $cf::MAP{$path} or next;
2364	$map->valid or next;	3116	$map->valid or next;
2365	$map->save;	3117	$map->save;
2366	}	3118	}
2367	warn "end emergency map save\n";	3119	warn "end emergency map save\n";
		3120
		3121	warn "begin emergency database checkpoint\n";
		3122	BDB::db_env_txn_checkpoint $DB_ENV;
		3123	warn "end emergency database checkpoint\n";
2368	};	3124	};
2369		3125
2370	warn "leave emergency perl save\n";	3126	warn "leave emergency perl save\n";
2371	}	3127	}
2372		3128
		3129	sub post_cleanup {
		3130	my ($make_core) = @_;
		3131
		3132	warn Carp::longmess "post_cleanup backtrace"
		3133	if $make_core;
		3134	}
		3135
2373	sub reload() {	3136	sub do_reload_perl() {
2374	# can/must only be called in main	3137	# can/must only be called in main
2375	if ($Coro::current != $Coro::main) {	3138	if ($Coro::current != $Coro::main) {
2376	warn "can only reload from main coroutine";	3139	warn "can only reload from main coroutine";
2377	return;	3140	return;
2378	}	3141	}
2379		3142
2380	warn "reloading...";	3143	warn "reloading...";
2381		3144
2382	warn "cancelling server ticker";	3145	warn "entering sync_job";
2383	$TICK_WATCHER->cancel;
2384		3146
		3147	cf::sync_job {
		3148	cf::write_runtime; # external watchdog should not bark
2385	cf::emergency_save;	3149	cf::emergency_save;
		3150	cf::write_runtime; # external watchdog should not bark
2386		3151
2387	eval {	3152	warn "syncing database to disk";
		3153	BDB::db_env_txn_checkpoint $DB_ENV;
		3154
2388	# if anything goes wrong in here, we should simply crash as we already saved	3155	# if anything goes wrong in here, we should simply crash as we already saved
2389
2390	warn "syncing database to disk";
2391	cf::db_sync;
2392		3156
2393	warn "cancelling all WF_AUTOCANCEL watchers";	3157	warn "cancelling all WF_AUTOCANCEL watchers";
2394	for (Event::all_watchers) {	3158	for (Event::all_watchers) {
2395	$_->cancel if $_->data & WF_AUTOCANCEL;	3159	$_->cancel if $_->data & WF_AUTOCANCEL;
2396	}	3160	}
2397		3161
2398	warn "flushing outstanding aio requests";	3162	warn "flushing outstanding aio requests";
2399	for (;;) {	3163	for (;;) {
		3164	BDB::flush;
2400	IO::AIO::flush;	3165	IO::AIO::flush;
2401	Coro::cede;	3166	Coro::cede;
2402	last unless IO::AIO::nreqs;	3167	last unless IO::AIO::nreqs || BDB::nreqs;
2403	warn "iterate...";	3168	warn "iterate...";
2404	}	3169	}
		3170
		3171	++$RELOAD;
2405		3172
2406	warn "cancelling all extension coros";	3173	warn "cancelling all extension coros";
2407	$_->cancel for values %EXT_CORO;	3174	$_->cancel for values %EXT_CORO;
2408	%EXT_CORO = ();	3175	%EXT_CORO = ();
2409		3176
2410	warn "removing commands";	3177	warn "removing commands";
2411	%COMMAND = ();	3178	%COMMAND = ();
2412		3179
2413	warn "removing ext commands";	3180	warn "removing ext/exti commands";
2414	%EXTCMD = ();	3181	%EXTCMD = ();
		3182	%EXTICMD = ();
2415		3183
2416	warn "unloading/nuking all extensions";	3184	warn "unloading/nuking all extensions";
2417	for my $pkg (@EXTS) {	3185	for my $pkg (@EXTS) {
2418	warn "... unloading $pkg";	3186	warn "... unloading $pkg";
2419		3187
…		…
2449	Symbol::delete_package "safe::$_"	3217	Symbol::delete_package "safe::$_"
2450	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3218	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2451		3219
2452	warn "unloading cf.pm \"a bit\"";	3220	warn "unloading cf.pm \"a bit\"";
2453	delete $INC{"cf.pm"};	3221	delete $INC{"cf.pm"};
		3222	delete $INC{"cf/pod.pm"};
2454		3223
2455	# don't, removes xs symbols, too,	3224	# don't, removes xs symbols, too,
2456	# and global variables created in xs	3225	# and global variables created in xs
2457	#Symbol::delete_package __PACKAGE__;	3226	#Symbol::delete_package __PACKAGE__;
2458		3227
…		…
2462	require cf;	3231	require cf;
2463	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3232	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464		3233
2465	warn "loading config and database again";	3234	warn "loading config and database again";
2466	cf::cfg_load;	3235	cf::cfg_load;
2467	cf::db_load;
2468		3236
2469	warn "loading extensions";	3237	warn "loading extensions";
2470	cf::load_extensions;	3238	cf::load_extensions;
2471		3239
2472	warn "reattaching attachments to objects/players";	3240	warn "reattaching attachments to objects/players";
2473	_global_reattach;	3241	_global_reattach; # objects, sockets
2474	warn "reattaching attachments to maps";	3242	warn "reattaching attachments to maps";
2475	reattach $_ for values %MAP;	3243	reattach $_ for values %MAP;
		3244	warn "reattaching attachments to players";
		3245	reattach $_ for values %PLAYER;
2476		3246
2477	warn "loading reloadable resources";	3247	warn "leaving sync_job";
2478	load_resources;
2479		3248
2480	warn "restarting server ticker";	3249	1
2481		3250	} or do {
2482	$TICK_WATCHER->start;
2483	};
2484
2485	if ($@) {
2486	warn $@;	3251	warn $@;
2487	warn "error while reloading, exiting.";	3252	warn "error while reloading, exiting.";
2488	exit 1;	3253	exit 1;
2489	}	3254	};
2490		3255
2491	warn "reloaded";	3256	warn "reloaded";
2492	};	3257	};
2493		3258
2494	our $RELOAD_WATCHER; # used only during reload	3259	our $RELOAD_WATCHER; # used only during reload
2495		3260
		3261	sub reload_perl() {
		3262	# doing reload synchronously and two reloads happen back-to-back,
		3263	# coro crashes during coro_state_free->destroy here.
		3264
		3265	$RELOAD_WATCHER ||= Event->timer (
		3266	reentrant => 0,
		3267	after => 0,
		3268	data => WF_AUTOCANCEL,
		3269	cb => sub {
		3270	do_reload_perl;
		3271	undef $RELOAD_WATCHER;
		3272	},
		3273	);
		3274	}
		3275
2496	register_command "reload" => sub {	3276	register_command "reload" => sub {
2497	my ($who, $arg) = @_;	3277	my ($who, $arg) = @_;
2498		3278
2499	if ($who->flag (FLAG_WIZ)) {	3279	if ($who->flag (FLAG_WIZ)) {
2500	$who->message ("reloading server.");	3280	$who->message ("reloading server.");
2501		3281	async { reload_perl };
2502	# doing reload synchronously and two reloads happen back-to-back,
2503	# coro crashes during coro_state_free->destroy here.
2504
2505	$RELOAD_WATCHER ||= Event->timer (
2506	reentrant => 0,
2507	after => 0,
2508	data => WF_AUTOCANCEL,
2509	cb => sub {
2510	reload;
2511	undef $RELOAD_WATCHER;
2512	},
2513	);
2514	}	3282	}
2515	};	3283	};
2516		3284
2517	unshift @INC, $LIBDIR;	3285	unshift @INC, $LIBDIR;
2518		3286
2519	my $bug_warning = 0;	3287	my $bug_warning = 0;
2520		3288
		3289	our @WAIT_FOR_TICK;
		3290	our @WAIT_FOR_TICK_BEGIN;
		3291
		3292	sub wait_for_tick {
		3293	return unless $TICK_WATCHER->is_active;
		3294	return if $Coro::current == $Coro::main;
		3295
		3296	my $signal = new Coro::Signal;
		3297	push @WAIT_FOR_TICK, $signal;
		3298	$signal->wait;
		3299	}
		3300
		3301	sub wait_for_tick_begin {
		3302	return unless $TICK_WATCHER->is_active;
		3303	return if $Coro::current == $Coro::main;
		3304
		3305	my $signal = new Coro::Signal;
		3306	push @WAIT_FOR_TICK_BEGIN, $signal;
		3307	$signal->wait;
		3308	}
		3309
		3310	my $min = 1e6;#d#
		3311	my $avg = 10;
2521	$TICK_WATCHER = Event->timer (	3312	$TICK_WATCHER = Event->timer (
2522	reentrant => 0,	3313	reentrant => 0,
2523	parked => 1,	3314	parked => 1,
2524	prio => 0,	3315	prio => 0,
2525	at => $NEXT_TICK || $TICK,	3316	at => $NEXT_TICK || $TICK,
…		…
2529	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3320	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2530	unless ++$bug_warning > 10;	3321	unless ++$bug_warning > 10;
2531	return;	3322	return;
2532	}	3323	}
2533		3324
2534	$NOW = Event::time;	3325	$NOW = $tick_start = Event::time;
2535		3326
2536	cf::server_tick; # one server iteration	3327	cf::server_tick; # one server iteration
		3328
		3329	0 && sync_job {#d#
		3330	for(1..10) {
		3331	my $t = Event::time;
		3332	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3333	or die;
		3334
		3335	$map->width (50);
		3336	$map->height (50);
		3337	$map->alloc;
		3338	$map->_load_objects ("/tmp/x.map", 1);
		3339	my $t = Event::time - $t;
		3340
		3341	#next unless $t < 0.0013;#d#
		3342	if ($t < $min) {
		3343	$min = $t;
		3344	}
		3345	$avg = $avg * 0.99 + $t * 0.01;
		3346	}
		3347	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3348	exit 0;
		3349	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3350	};
		3351
2537	$RUNTIME += $TICK;	3352	$RUNTIME += $TICK;
2538	$NEXT_TICK += $TICK;	3353	$NEXT_TICK += $TICK;
2539		3354
2540	$WAIT_FOR_TICK->broadcast;	3355	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2541	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3356	$NEXT_RUNTIME_WRITE = $NOW + 10;
2542		3357	Coro::async_pool {
2543	Event::sweep;	3358	write_runtime
2544	Coro::cede_notself;	3359	or warn "ERROR: unable to write runtime file: $!";
		3360	};
2545		3361	}
		3362
2546	# my $AFTER = Event::time;	3363	# my $AFTER = Event::time;
2547	# warn $AFTER - $NOW;#d#	3364	# warn $AFTER - $NOW;#d#
2548		3365
		3366	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3367	$sig->send;
		3368	}
		3369	while (my $sig = shift @WAIT_FOR_TICK) {
		3370	$sig->send;
		3371	}
		3372
		3373	$NOW = Event::time;
		3374
2549	# if we are delayed by four ticks or more, skip them all	3375	# if we are delayed by four ticks or more, skip them all
2550	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3376	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2551		3377
2552	$TICK_WATCHER->at ($NEXT_TICK);	3378	$TICK_WATCHER->at ($NEXT_TICK);
2553	$TICK_WATCHER->start;	3379	$TICK_WATCHER->start;
		3380
		3381	$LOAD = ($NOW - $tick_start) / $TICK;
		3382	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3383
		3384	_post_tick;
		3385
		3386
2554	},	3387	},
2555	);	3388	);
2556		3389
		3390	{
		3391	BDB::max_poll_time $TICK * 0.1;
		3392	$BDB_POLL_WATCHER = Event->io (
		3393	reentrant => 0,
		3394	fd => BDB::poll_fileno,
		3395	poll => 'r',
		3396	prio => 0,
		3397	data => WF_AUTOCANCEL,
		3398	cb => \&BDB::poll_cb,
		3399	);
		3400	BDB::min_parallel 8;
		3401
		3402	BDB::set_sync_prepare {
		3403	my $status;
		3404	my $current = $Coro::current;
		3405	(
		3406	sub {
		3407	$status = $!;
		3408	$current->ready; undef $current;
		3409	},
		3410	sub {
		3411	Coro::schedule while defined $current;
		3412	$! = $status;
		3413	},
		3414	)
		3415	};
		3416
		3417	unless ($DB_ENV) {
		3418	$DB_ENV = BDB::db_env_create;
		3419
		3420	cf::sync_job {
		3421	eval {
		3422	BDB::db_env_open
		3423	$DB_ENV,
		3424	$BDBDIR,
		3425	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3426	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3427	0666;
		3428
		3429	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3430
		3431	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		3432	$DB_ENV->set_lk_detect;
		3433	};
		3434
		3435	cf::cleanup "db_env_open(db): $@" if $@;
		3436	};
		3437	}
		3438	}
		3439
		3440	{
		3441	IO::AIO::min_parallel 8;
		3442
		3443	undef $Coro::AIO::WATCHER;
2557	IO::AIO::max_poll_time $TICK * 0.1;	3444	IO::AIO::max_poll_time $TICK * 0.1;
2558
2559	undef $Coro::AIO::WATCHER;
2560	$AIO_POLL_WATCHER = Event->io (	3445	$AIO_POLL_WATCHER = Event->io (
2561	reentrant => 0,	3446	reentrant => 0,
		3447	data => WF_AUTOCANCEL,
2562	fd => IO::AIO::poll_fileno,	3448	fd => IO::AIO::poll_fileno,
2563	poll => 'r',	3449	poll => 'r',
2564	prio => 6,	3450	prio => 6,
2565	data => WF_AUTOCANCEL,
2566	cb => \&IO::AIO::poll_cb,	3451	cb => \&IO::AIO::poll_cb,
2567	);	3452	);
		3453	}
2568		3454
2569	$WRITE_RUNTIME_WATCHER = Event->timer (	3455	my $_log_backtrace;
2570	reentrant => 0,	3456
2571	data => WF_AUTOCANCEL,	3457	sub _log_backtrace {
2572	after => 1,	3458	my ($msg, @addr) = @_;
2573	interval => 10,	3459
2574	prio => 6, # keep it lowest so it acts like a watchdog	3460	$msg =~ s/\n//;
2575	cb => Coro::unblock_sub {	3461
2576	write_runtime	3462	# limit the # of concurrent backtraces
2577	or warn "ERROR: unable to write runtime file: $!";	3463	if ($_log_backtrace < 2) {
		3464	++$_log_backtrace;
		3465	async {
		3466	my @bt = fork_call {
		3467	@addr = map { sprintf "%x", $_ } @addr;
		3468	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3469	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3470	or die "addr2line: $!";
		3471
		3472	my @funcs;
		3473	my @res = <$fh>;
		3474	chomp for @res;
		3475	while (@res) {
		3476	my ($func, $line) = splice @res, 0, 2, ();
		3477	push @funcs, "[$func] $line";
		3478	}
		3479
		3480	@funcs
		3481	};
		3482
		3483	LOG llevInfo, "[ABT] $msg\n";
		3484	LOG llevInfo, "[ABT] $_\n" for @bt;
		3485	--$_log_backtrace;
		3486	};
		3487	} else {
		3488	LOG llevInfo, "[ABT] $msg\n";
		3489	LOG llevInfo, "[ABT] [suppressed]\n";
2578	},	3490	}
2579	);	3491	}
		3492
		3493	# load additional modules
		3494	use cf::pod;
2580		3495
2581	END { cf::emergency_save }	3496	END { cf::emergency_save }
2582		3497
2583	1	3498	1
2584		3499

Diff Legend

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