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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.222 by root, Tue Mar 6 03:06:00 2007 UTC vs.
Revision 1.346 by root, Tue Aug 28 19:38:40 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	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 ();
20	use BDB ();	27	use BDB ();
21	use Data::Dumper;	28	use Data::Dumper;
22	use Digest::MD5;	29	use Digest::MD5;
23	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
24	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
25	use YAML::Syck ();
26	use Time::HiRes;	33	use Time::HiRes;
27	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
28		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
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	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
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		44
35	# 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?
36	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
37		47
38	$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
39		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
40	our %COMMAND = ();	52	our %COMMAND = ();
41	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
42		54
43	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
47		60
		61	our $RELOAD; # number of reloads so far
48	our @EVENT;	62	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		63
51	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(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;	81	our $NOW;
…		…
65	our $RUNTIME;	90	our $RUNTIME;
66		91
67	our %PLAYER; # all users	92	our %PLAYER; # all users
68	our %MAP; # all maps	93	our %MAP; # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		95
76	# 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 ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		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 $tick_start; # for load detecting purposes
		102
79	binmode STDOUT;	103	binmode STDOUT;
80	binmode STDERR;	104	binmode STDERR;
81		105
82	# read virtual server time, if available	106	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
87	}	111	}
88		112
89	mkdir cf::localdir;	113	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		115
96	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
97		117
98	sub cf::map::normalise;	118	sub cf::map::normalise;
99		119
…		…
110	=item $cf::RUNTIME	130	=item $cf::RUNTIME
111		131
112	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
113	every server tick.	133	every server tick.
114		134
115	=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
116		138
117	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
118	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.
119		143
120	=item $cf::NOW	144	=item $cf::NOW
121		145
122	The time of the last (current) server tick.	146	The time of the last (current) server tick.
123		147
124	=item $cf::TICK	148	=item $cf::TICK
125		149
126	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.
127		161
128	=item %cf::CFG	162	=item %cf::CFG
129		163
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
131	from wherever your confdir points to.	165	from wherever your confdir points to.
132		166
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		168
135	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
136	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
137	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.
138	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.
139		178
140	=back	179	=back
141		180
142	=cut	181	=cut
143		182
144	BEGIN {	183	BEGIN {
145	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	185	my $msg = join "", @_;
147	utf8::encode $msg;
148		186
149	$msg .= "\n"	187	$msg .= "\n"
150	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
151		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
152	LOG llevError, $msg;	193	LOG llevError, $msg;
153	};	194	};
154	}	195	}
155		196
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@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';
161	@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)
162		204
163	# 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
164	# within the Safe compartment.	206	# within the Safe compartment.
165	for my $pkg (qw(	207	for my $pkg (qw(
166	cf::global cf::attachable	208	cf::global cf::attachable
…		…
174	}	216	}
175		217
176	$Event::DIED = sub {	218	$Event::DIED = sub {
177	warn "error in event callback: @_";	219	warn "error in event callback: @_";
178	};	220	};
		221
		222	#############################################################################
179		223
180	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
181		225
182	=over 4	226	=over 4
183		227
…		…
202	$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;
203	$d	247	$d
204	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
205	}	249	}
206		250
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
210		252
211	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
212		254
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
221		256
222	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
223		258
224	=cut	259	=cut
225		260
226	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
228	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
229	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
230		265
231	=item cf::lock_wait $string	266	=item cf::lock_wait $string
232		267
233	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
234		269
…		…
240	returned.	275	returned.
241		276
242	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
243	uses map_find and cf::map::load uses map_load).	278	uses map_find and cf::map::load uses map_load).
244		279
		280	=item $locked = cf::lock_active $string
		281
		282	Return true if the lock is currently active, i.e. somebody has locked it.
		283
245	=cut	284	=cut
246		285
247	our %LOCK;	286	our %LOCK;
248		287
249	sub lock_wait($) {	288	sub lock_wait($) {
…		…
266		305
267	Coro::guard {	306	Coro::guard {
268	# wake up all waiters, to be on the safe side	307	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	308	$_->ready for @{ delete $LOCK{$key} };
270	}	309	}
		310	}
		311
		312	sub lock_active($) {
		313	my ($key) = @_;
		314
		315	! ! $LOCK{$key}
271	}	316	}
272		317
273	sub freeze_mainloop {	318	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	319	return unless $TICK_WATCHER->is_active;
275		320
…		…
278	};	323	};
279	$TICK_WATCHER->stop;	324	$TICK_WATCHER->stop;
280	$guard	325	$guard
281	}	326	}
282		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;
		382	}
		383
283	=item cf::async { BLOCK }	384	=item cf::async { BLOCK }
284		385
285	Currently the same as Coro::async_pool, meaning you cannot use	386	Currently the same as Coro::async_pool, meaning you cannot use
286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	387	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
287	thing you are allowed to do is call C<prio> on it.	388	thing you are allowed to do is call C<prio> on it.
…		…
290		391
291	BEGIN { *async = \&Coro::async_pool }	392	BEGIN { *async = \&Coro::async_pool }
292		393
293	=item cf::sync_job { BLOCK }	394	=item cf::sync_job { BLOCK }
294		395
295	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)
296	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
297	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.
298		400
299	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
300	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
301	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
302	fast or be very important.	404	fast or be very important.
…		…
305		407
306	sub sync_job(&) {	408	sub sync_job(&) {
307	my ($job) = @_;	409	my ($job) = @_;
308		410
309	if ($Coro::current == $Coro::main) {	411	if ($Coro::current == $Coro::main) {
		412	my $time = Event::time;
		413
310	# this is the main coro, too bad, we have to block	414	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	415	# till the operation succeeds, freezing the server :/
312		416
313	# TODO: use suspend/resume instead	417	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	418	# (but this is cancel-safe)
…		…
325		429
326	while ($busy) {	430	while ($busy) {
327	Coro::cede or Event::one_event;	431	Coro::cede or Event::one_event;
328	}	432	}
329		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
330	wantarray ? @res : $res[0]	441	wantarray ? @res : $res[0]
331	} else {	442	} else {
332	# we are in another coroutine, how wonderful, everything just works	443	# we are in another coroutine, how wonderful, everything just works
333		444
334	$job->()	445	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	464	$EXT_CORO{$coro+0} = $coro;
354		465
355	$coro	466	$coro
356	}	467	}
357		468
358	sub write_runtime {	469	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		470
361	my $runtime = cf::localdir . "/runtime";	471	Executes the given code block with the given arguments in a seperate
		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.
362		475
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	476	=cut
364	or return;
365		477
366	my $value = $cf::RUNTIME + 90 + 10;	478	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	479	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		480
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	481	# we seemingly have to make a local copy of the whole thing,
371	and return;	482	# otherwise perl prematurely frees the stuff :/
		483	# TODO: investigate and fix (liekly this will be rather laborious)
372		484
373	# always fsync - this file is important	485	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	486	reset_signals;
375	and return;	487	&$cb
		488	}, @args;
376		489
377	close $fh	490	wantarray ? @res : $res[-1]
378	or return;	491	}
379		492
380	aio_rename "$runtime~", $runtime	493	=item $value = cf::db_get $family => $key
381	and return;
382		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	};
383	1	520	}
		521	}
		522
		523	sub db_get($$) {
		524	my $key = "$_[0]/$_[1]";
		525
		526	cf::sync_job {
		527	BDB::db_get $DB, undef, $key, my $data;
		528
		529	$! ? ()
		530	: $data
		531	}
		532	}
		533
		534	sub db_put($$$) {
		535	BDB::dbreq_pri 4;
		536	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		537	}
		538
		539	=item cf::cache $id => [$paths...], $processversion => $process
		540
		541	Generic caching function that returns the value of the resource $id,
		542	caching and regenerating as required.
		543
		544	This function can block.
		545
		546	=cut
		547
		548	sub cache {
		549	my ($id, $src, $processversion, $process) = @_;
		550
		551	my $meta =
		552	join "\x00",
		553	$processversion,
		554	map {
		555	aio_stat $_
		556	and Carp::croak "$_: $!";
		557
		558	($_, (stat _)[7,9])
		559	} @$src;
		560
		561	my $dbmeta = db_get cache => "$id/meta";
		562	if ($dbmeta ne $meta) {
		563	# changed, we may need to process
		564
		565	my @data;
		566	my $md5;
		567
		568	for (0 .. $#$src) {
		569	0 <= aio_load $src->[$_], $data[$_]
		570	or Carp::croak "$src->[$_]: $!";
		571	}
		572
		573	# if processing is expensive, check
		574	# checksum first
		575	if (1) {
		576	$md5 =
		577	join "\x00",
		578	$processversion,
		579	map {
		580	cf::cede_to_tick;
		581	($src->[$_], Digest::MD5::md5_hex $data[$_])
		582	} 0.. $#$src;
		583
		584
		585	my $dbmd5 = db_get cache => "$id/md5";
		586	if ($dbmd5 eq $md5) {
		587	db_put cache => "$id/meta", $meta;
		588
		589	return db_get cache => "$id/data";
		590	}
		591	}
		592
		593	my $t1 = Time::HiRes::time;
		594	my $data = $process->(\@data);
		595	my $t2 = Time::HiRes::time;
		596
		597	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		598
		599	db_put cache => "$id/data", $data;
		600	db_put cache => "$id/md5" , $md5;
		601	db_put cache => "$id/meta", $meta;
		602
		603	return $data;
		604	}
		605
		606	db_get cache => "$id/data"
		607	}
		608
		609	=item cf::datalog type => key => value, ...
		610
		611	Log a datalog packet of the given type with the given key-value pairs.
		612
		613	=cut
		614
		615	sub datalog($@) {
		616	my ($type, %kv) = @_;
		617	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	618	}
385		619
386	=back	620	=back
387		621
388	=cut	622	=cut
…		…
395	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")
396	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
397		631
398	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>
399	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
400	crossfire+).	634	Crossfire TRT).
401		635
402	=over 4	636	=over 4
403		637
404	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
405		639
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
569		803
570	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		808
575	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	810	my $pkg = shift @arg;
577		811
578	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
608	}	842	}
609		843
610	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
611	} else {	845	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	847	}
614		848
615	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
616	}	850	}
617		851
…		…
619	if (ref $_[0]) {	853	if (ref $_[0]) {
620	_object_attach @_;	854	_object_attach @_;
621	} else {	855	} else {
622	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
623	}	857	}
		858	_recalc_want;
624	};	859	};
625		860
626	# all those should be optimised	861	# all those should be optimised
627	sub cf::attachable::detach {	862	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
632	reattach ($obj);	867	reattach ($obj);
633	} else {	868	} else {
634	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
635	}	870	}
		871	_recalc_want;
636	};	872	};
637		873
638	sub cf::attachable::attached {	874	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
640		876
…		…
655	";	891	";
656	die if $@;	892	die if $@;
657	}	893	}
658		894
659	our $override;	895	our $override;
660	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?
661		897
662	sub override {	898	sub override {
663	$override = 1;	899	$override = 1;
664	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
665	}	901	}
666		902
667	sub do_invoke {	903	sub do_invoke {
668	my $event = shift;	904	my $event = shift;
669	my $callbacks = shift;	905	my $callbacks = shift;
670		906
671	@invoke_results = ();	907	@INVOKE_RESULTS = ();
672		908
673	local $override;	909	local $override;
674		910
675	for (@$callbacks) {	911	for (@$callbacks) {
676	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
693		929
694	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
695		931
696	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
697	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
698	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		935
700	=back	936	=back
701		937
702	=cut	938	=cut
703		939
704	#############################################################################	940	#############################################################################
705	# 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	}
706		953
707	sub reattach {	954	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	956	my ($obj) = @_;
710		957
…		…
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	}
…		…
1004		1322
1005	aio_mkdir playerdir $pl, 0770;	1323	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1324	$pl->{last_save} = $cf::RUNTIME;
1007		1325
1008	$pl->save_pl ($path);	1326	$pl->save_pl ($path);
1009	Coro::cede;	1327	cf::cede_to_tick;
1010	}	1328	}
1011		1329
1012	sub new($) {	1330	sub new($) {
1013	my ($login) = @_;	1331	my ($login) = @_;
1014		1332
…		…
1018	$self->{deny_save} = 1;	1336	$self->{deny_save} = 1;
1019		1337
1020	$cf::PLAYER{$login} = $self;	1338	$cf::PLAYER{$login} = $self;
1021		1339
1022	$self	1340	$self
		1341	}
		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 (@_);
1023	}	1351	}
1024		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
…		…
1076	while and may block, so not sync_job-capable, ever.	1404	while and may block, so not sync_job-capable, ever.
1077		1405
1078	=cut	1406	=cut
1079		1407
1080	sub list_logins {	1408	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1409	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1410	or return [];
1083		1411
1084	my @logins;	1412	my @logins;
1085		1413
1086	for my $login (@$dirs) {	1414	for my $login (@$dirs) {
…		…
1121	}	1449	}
1122		1450
1123	\@paths	1451	\@paths
1124	}	1452	}
1125		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
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1504	=item $player->ext_reply ($msgid, @msg)
1127		1505
1128	Sends an ext reply to the player.	1506	Sends an ext reply to the player.
1129		1507
1130	=cut	1508	=cut
1131		1509
1132	sub ext_reply($$$%) {	1510	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1511	my ($self, $id, @msg) = @_;
1134		1512
1135	$msg{msgid} = $id;	1513	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1514	}
1139		1515
1140	package cf;	1516	=item $player->ext_msg ($type, @msg)
		1517
		1518	Sends an ext event to the client.
		1519
		1520	=cut
		1521
		1522	sub ext_msg($$@) {
		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	$match
		1555	}
1141		1556
1142	=back	1557	=back
1143
1144		1558
1145	=head3 cf::map	1559	=head3 cf::map
1146		1560
1147	=over 4	1561	=over 4
1148		1562
…		…
1203	my ($self, $merge) = @_;	1617	my ($self, $merge) = @_;
1204		1618
1205	# we have to keep some variables in memory intact	1619	# we have to keep some variables in memory intact
1206	local $self->{path};	1620	local $self->{path};
1207	local $self->{load_path};	1621	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1622
1211	$self->SUPER::thawer_merge ($merge);	1623	$self->SUPER::thawer_merge ($merge);
1212	}	1624	}
1213		1625
1214	sub normalise {	1626	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1673	$self->init; # pass $1 etc.
1262	return $self;	1674	return $self;
1263	}	1675	}
1264	}	1676	}
1265		1677
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1678	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1679	()
1268	}	1680	}
1269		1681
1270	sub init {	1682	sub init {
1271	my ($self) = @_;	1683	my ($self) = @_;
…		…
1286		1698
1287	# the original (read-only) location	1699	# the original (read-only) location
1288	sub load_path {	1700	sub load_path {
1289	my ($self) = @_;	1701	my ($self) = @_;
1290		1702
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1703	"$MAPDIR/$self->{path}.map"
1292	}	1704	}
1293		1705
1294	# the temporary/swap location	1706	# the temporary/swap location
1295	sub save_path {	1707	sub save_path {
1296	my ($self) = @_;	1708	my ($self) = @_;
1297		1709
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1710	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1711	"$TMPDIR/$path.map"
1300	}	1712	}
1301		1713
1302	# the unique path, undef == no special unique path	1714	# the unique path, undef == no special unique path
1303	sub uniq_path {	1715	sub uniq_path {
1304	my ($self) = @_;	1716	my ($self) = @_;
1305		1717
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1718	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1719	"$UNIQUEDIR/$path"
1308	}	1720	}
1309		1721
1310	# and all this just because we cannot iterate over	1722	# and all this just because we cannot iterate over
1311	# all maps in C++...	1723	# all maps in C++...
1312	sub change_all_map_light {	1724	sub change_all_map_light {
1313	my ($change) = @_;	1725	my ($change) = @_;
1314		1726
1315	$_->change_map_light ($change)	1727	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1728	for grep $_->outdoor, values %cf::MAP;
		1729	}
		1730
		1731	sub decay_objects {
		1732	my ($self) = @_;
		1733
		1734	return if $self->{deny_reset};
		1735
		1736	$self->do_decay_objects;
1317	}	1737	}
1318		1738
1319	sub unlink_save {	1739	sub unlink_save {
1320	my ($self) = @_;	1740	my ($self) = @_;
1321		1741
…		…
1379	$self->load_header_orig	1799	$self->load_header_orig
1380	or return;	1800	or return;
1381	$self->prepare_orig;	1801	$self->prepare_orig;
1382	}	1802	}
1383		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
1384	1	1810	1
1385	}	1811	}
1386		1812
1387	sub find;	1813	sub find;
1388	sub find {	1814	sub find {
…		…
1400	$map->{last_save} = $cf::RUNTIME;	1826	$map->{last_save} = $cf::RUNTIME;
1401		1827
1402	$map->load_header	1828	$map->load_header
1403	or return;	1829	or return;
1404		1830
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1831	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1832	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1833	#$cf::WAIT_FOR_TICK->wait;
1408	$map->reset;	1834	$map->reset;
1409	undef $guard;	1835	undef $guard;
1410	return find $path;	1836	return find $path;
…		…
1421	my ($self) = @_;	1847	my ($self) = @_;
1422		1848
1423	local $self->{deny_reset} = 1; # loading can take a long time	1849	local $self->{deny_reset} = 1; # loading can take a long time
1424		1850
1425	my $path = $self->{path};	1851	my $path = $self->{path};
		1852
		1853	{
		1854	my $guard1 = cf::lock_acquire "map_data:$path";
1426	my $guard = cf::lock_acquire "map_load:$path";	1855	my $guard2 = cf::lock_acquire "map_load:$path";
1427		1856
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1857	return if $self->in_memory != cf::MAP_SWAPPED;
1429		1858
1430	$self->in_memory (cf::MAP_LOADING);	1859	$self->in_memory (cf::MAP_LOADING);
1431		1860
1432	$self->alloc;	1861	$self->alloc;
1433		1862
1434	$self->pre_load;	1863	$self->pre_load;
		1864	cf::cede_to_tick;
1435		1865
1436	$self->_load_objects ($self->{load_path}, 1)	1866	$self->_load_objects ($self->{load_path}, 1)
1437	or return;	1867	or return;
1438		1868
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1869	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1870	if delete $self->{load_original};
1441		1871
1442	if (my $uniq = $self->uniq_path) {	1872	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1873	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1874	if (aio_open $uniq, O_RDONLY, 0) {
1445	$self->clear_unique_items;	1875	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1876	$self->_load_objects ($uniq, 0);
1447	}	1877	}
1448	}	1878	}
1449		1879
1450	Coro::cede;	1880	cf::cede_to_tick;
1451
1452	# now do the right thing for maps	1881	# now do the right thing for maps
1453	$self->link_multipart_objects;	1882	$self->link_multipart_objects;
1454
1455	unless ($self->{deny_activate}) {
1456	$self->decay_objects;
1457	$self->fix_auto_apply;
1458	$self->update_buttons;
1459	Coro::cede;
1460	$self->set_darkness_map;
1461	$self->difficulty ($self->estimate_difficulty)	1883	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1884	unless $self->difficulty;
1463	Coro::cede;	1885	cf::cede_to_tick;
		1886
		1887	unless ($self->{deny_activate}) {
		1888	$self->decay_objects;
		1889	$self->fix_auto_apply;
		1890	$self->update_buttons;
		1891	cf::cede_to_tick;
		1892	$self->set_darkness_map;
		1893	cf::cede_to_tick;
1464	$self->activate;	1894	$self->activate;
		1895	}
		1896
		1897	$self->{last_save} = $cf::RUNTIME;
		1898	$self->last_access ($cf::RUNTIME);
		1899
		1900	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1901	}
1466		1902
1467	$self->post_load;	1903	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1904	}
1471		1905
1472	sub customise_for {	1906	sub customise_for {
1473	my ($self, $ob) = @_;	1907	my ($self, $ob) = @_;
1474		1908
1475	return find "~" . $ob->name . "/" . $self->{path}	1909	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1910	if $self->per_player;
1477		1911
		1912	# return find "?party/" . $ob->name . "/" . $self->{path}
		1913	# if $self->per_party;
		1914
1478	$self	1915	$self
1479	}	1916	}
1480		1917
1481	# find and load all maps in the 3x3 area around a map	1918	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1919	sub load_neighbours {
1483	my ($map) = @_;	1920	my ($map) = @_;
1484		1921
1485	my @diag; # diagonal neighbours	1922	my @neigh; # diagonal neighbours
1486		1923
1487	for (0 .. 3) {	1924	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	1925	my $neigh = $map->tile_path ($_)
1489	or next;	1926	or next;
1490	$neigh = find $neigh, $map	1927	$neigh = find $neigh, $map
1491	or next;	1928	or next;
1492	$neigh->load;	1929	$neigh->load;
1493		1930
		1931	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1932	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1933	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	1934	}
1497		1935
1498	for (@diag) {	1936	for (grep defined $_->[0], @neigh) {
		1937	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	1938	my $neigh = find $path, $origin
1500	or next;	1939	or next;
1501	$neigh->load;	1940	$neigh->load;
1502	}	1941	}
1503	}	1942	}
1504		1943
…		…
1509	}	1948	}
1510		1949
1511	sub do_load_sync {	1950	sub do_load_sync {
1512	my ($map) = @_;	1951	my ($map) = @_;
1513		1952
		1953	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1954	if $Coro::current == $Coro::main;
		1955
1514	cf::sync_job { $map->load };	1956	cf::sync_job { $map->load };
1515	}	1957	}
1516		1958
1517	our %MAP_PREFETCH;	1959	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	1960	our $MAP_PREFETCHER = undef;
1519		1961
1520	sub find_async {	1962	sub find_async {
1521	my ($path, $origin) = @_;	1963	my ($path, $origin, $load) = @_;
1522		1964
1523	$path = normalise $path, $origin && $origin->{path};	1965	$path = normalise $path, $origin && $origin->{path};
1524		1966
1525	if (my $map = $cf::MAP{$path}) {	1967	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1968	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	1969	}
1528		1970
1529	undef $MAP_PREFETCH{$path};	1971	$MAP_PREFETCH{$path} |= $load;
		1972
1530	$MAP_PREFETCHER ||= cf::async {	1973	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	1974	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	1975	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	1976	if (my $map = find $k) {
1534	or next;
1535	$map->load;	1977	$map->load if $v;
		1978	}
1536		1979
1537	delete $MAP_PREFETCH{$path};	1980	delete $MAP_PREFETCH{$k};
1538	}	1981	}
1539	}	1982	}
1540	undef $MAP_PREFETCHER;	1983	undef $MAP_PREFETCHER;
1541	};	1984	};
1542	$MAP_PREFETCHER->prio (6);	1985	$MAP_PREFETCHER->prio (6);
…		…
1545	}	1988	}
1546		1989
1547	sub save {	1990	sub save {
1548	my ($self) = @_;	1991	my ($self) = @_;
1549		1992
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	1993	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		1994
1552	$self->{last_save} = $cf::RUNTIME;	1995	$self->{last_save} = $cf::RUNTIME;
1553		1996
1554	return unless $self->dirty;	1997	return unless $self->dirty;
1555		1998
…		…
1578	my ($self) = @_;	2021	my ($self) = @_;
1579		2022
1580	# save first because save cedes	2023	# save first because save cedes
1581	$self->save;	2024	$self->save;
1582		2025
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2026	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2027
1585	return if $self->players;	2028	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2029	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2030	return if $self->{deny_save};
1588		2031
…		…
1592		2035
1593	sub reset_at {	2036	sub reset_at {
1594	my ($self) = @_;	2037	my ($self) = @_;
1595		2038
1596	# TODO: safety, remove and allow resettable per-player maps	2039	# TODO: safety, remove and allow resettable per-player maps
1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1598	return 1e99 if $self->{deny_reset};	2040	return 1e99 if $self->{deny_reset};
1599		2041
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2042	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2043	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2044
…		…
1613	my ($self) = @_;	2055	my ($self) = @_;
1614		2056
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2057	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2058
1617	return if $self->players;	2059	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2060
1620	warn "resetting map ", $self->path;#d#	2061	warn "resetting map ", $self->path;
1621		2062
1622	$self->in_memory (cf::MAP_SWAPPED);	2063	$self->in_memory (cf::MAP_SWAPPED);
1623		2064
1624	# need to save uniques path	2065	# need to save uniques path
1625	unless ($self->{deny_save}) {	2066	unless ($self->{deny_save}) {
…		…
1657	$cf::MAP{$self->path} = $self;	2098	$cf::MAP{$self->path} = $self;
1658		2099
1659	$self->reset; # polite request, might not happen	2100	$self->reset; # polite request, might not happen
1660	}	2101	}
1661		2102
		2103	=item $maps = cf::map::tmp_maps
		2104
		2105	Returns an arrayref with all map paths of currently instantiated and saved
		2106	maps. May block.
		2107
		2108	=cut
		2109
		2110	sub tmp_maps() {
		2111	[
		2112	map {
		2113	utf8::decode $_;
		2114	/\.map$/
		2115	? normalise $_
		2116	: ()
		2117	} @{ aio_readdir $TMPDIR or [] }
		2118	]
		2119	}
		2120
		2121	=item $maps = cf::map::random_maps
		2122
		2123	Returns an arrayref with all map paths of currently instantiated and saved
		2124	random maps. May block.
		2125
		2126	=cut
		2127
		2128	sub random_maps() {
		2129	[
		2130	map {
		2131	utf8::decode $_;
		2132	/\.map$/
		2133	? normalise "?random/$_"
		2134	: ()
		2135	} @{ aio_readdir $RANDOMDIR or [] }
		2136	]
		2137	}
		2138
1662	=item cf::map::unique_maps	2139	=item cf::map::unique_maps
1663		2140
1664	Returns an arrayref of paths of all shared maps that have	2141	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2142	instantiated unique items. May block.
1666		2143
1667	=cut	2144	=cut
1668		2145
1669	sub unique_maps() {	2146	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2147	[
1671	or return;	2148	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2149	utf8::decode $_;
1677	next if /\.pst$/;	2150	/\.map$/
1678	next unless /^$PATH_SEP/o;	2151	? normalise $_
1679		2152	: ()
1680	push @paths, cf::map::normalise $_;	2153	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2154	]
1682
1683	\@paths
1684	}	2155	}
1685		2156
1686	package cf;	2157	package cf;
1687		2158
1688	=back	2159	=back
…		…
1734		2205
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2206	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2207
1737	if ($self->{record_replies}) {	2208	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2209	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2210
1739	} else {	2211	} else {
		2212	my $pl = $self->contr;
		2213
		2214	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2215	my $dialog = $pl->{npc_dialog};
		2216	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2217
		2218	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2219	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2220	$self->message ($msg, $flags);
		2221	}
1742	}	2222	}
		2223	}
		2224
		2225	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2226
		2227	=cut
		2228
		2229	sub cf::object::send_msg {
		2230	my $pl = shift->contr
		2231	or return;
		2232	$pl->send_msg (@_);
1743	}	2233	}
1744		2234
1745	=item $player_object->may ("access")	2235	=item $player_object->may ("access")
1746		2236
1747	Returns wether the given player is authorized to access resource "access"	2237	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2284	$self->deactivate_recursive;
1795		2285
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2286	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2287
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2288	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2289	if $self->map && $self->map->{path} ne "{link}";
1800		2290
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2291	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2292	}
1803		2293
1804	sub cf::object::player::leave_link {	2294	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2295	my ($self, $map, $x, $y) = @_;
		2296
		2297	return unless $self->contr->active;
1806		2298
1807	my $link_pos = delete $self->{_link_pos};	2299	my $link_pos = delete $self->{_link_pos};
1808		2300
1809	unless ($map) {	2301	unless ($map) {
1810	# restore original map position	2302	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2316	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2317	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2318	if $x <=0 && $y <= 0;
1827		2319
1828	$map->load;	2320	$map->load;
1829	$map->load_diag;	2321	$map->load_neighbours;
1830		2322
1831	return unless $self->contr->active;	2323	return unless $self->contr->active;
1832	$self->activate_recursive;	2324	$self->activate_recursive;
1833		2325
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2326	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2327	$self->enter_map ($map, $x, $y);
1836	}	2328	}
1837		2329
1838	cf::player->attach (	2330	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2331
1842	# abort map switching before logout	2332	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2333	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2334	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2335	the new (success) or old (failed) map position. In either case, $done will
1846	};	2336	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2337
1852	# try to abort aborted map switching on player login :)
1853	# should happen only on crashes
1854	if ($pl->ob->{_link_pos}) {
1855	$pl->ob->enter_link;
1856	(async {
1857	$pl->ob->reply (undef,
1858	"There was an internal problem at your last logout, "
1859	. "the server will try to bring you to your intended destination in a second.",
1860	cf::NDI_RED);
1861	# we need this sleep as the login has a concurrent enter_exit running
1862	# and this sleep increases chances of the player not ending up in scorn
1863	Coro::Timer::sleep 1;
1864	$pl->ob->leave_link;
1865	})->prio (2);
1866	}
1867	},
1868	);
1869
1870	=item $player_object->goto ($path, $x, $y)
1871
1872	=cut	2338	=cut
		2339
		2340	our $GOTOGEN;
1873		2341
1874	sub cf::object::player::goto {	2342	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2343	my ($self, $path, $x, $y, $check, $done) = @_;
		2344
		2345	# do generation counting so two concurrent goto's will be executed in-order
		2346	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2347
1877	$self->enter_link;	2348	$self->enter_link;
1878		2349
1879	(async {	2350	(async {
1880	my $map = eval {	2351	my $map = eval {
1881	my $map = cf::map::find $path;	2352	my $map = cf::map::find $path;
		2353
		2354	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2355	$map = $map->customise_for ($self);
		2356	$map = $check->($map) if $check && $map;
		2357	} else {
		2358	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2359	}
		2360
1883	$map	2361	$map
		2362	};
		2363
		2364	if ($@) {
		2365	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2367	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2368
		2369	if ($gen == $self->{_goto_generation}) {
		2370	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2371	$self->leave_link ($map, $x, $y);
		2372	}
		2373
		2374	$done->() if $done;
1888	})->prio (1);	2375	})->prio (1);
1889	}	2376	}
1890		2377
1891	=item $player_object->enter_exit ($exit_object)	2378	=item $player_object->enter_exit ($exit_object)
1892		2379
…		…
1931		2418
1932	$rmp->{random_seed} ||= $exit->random_seed;	2419	$rmp->{random_seed} ||= $exit->random_seed;
1933		2420
1934	my $data = cf::to_json $rmp;	2421	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2422	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2423	my $meta = "$RANDOMDIR/$md5.meta";
1937		2424
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2425	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2426	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2427	undef $fh;
1941	aio_rename "$meta~", $meta;	2428	aio_rename "$meta~", $meta;
…		…
1950		2437
1951	return unless $self->type == cf::PLAYER;	2438	return unless $self->type == cf::PLAYER;
1952		2439
1953	if ($exit->slaying eq "/!") {	2440	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2441	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2442	# the problem is that $exit might not survive long enough
		2443	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2444	cf::sync_job { prepare_random_map $exit };
1956	}	2445	}
1957		2446
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2447	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2448	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2449	my $sp = $exit->stats->sp;
1961		2450
1962	$self->enter_link;	2451	$self->enter_link;
		2452
		2453	# if exit is damned, update players death & WoR home-position
		2454	$self->contr->savebed ($slaying, $hp, $sp)
		2455	if $exit->flag (FLAG_DAMNED);
1963		2456
1964	(async {	2457	(async {
1965	$self->deactivate_recursive; # just to be sure	2458	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2459	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2460	$self->goto ($slaying, $hp, $sp);
1968		2461
1969	1;	2462	1;
1970	}) {	2463	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2464	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2465	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2466	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2467	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2468
1976	warn "ERROR in enter_exit: $@";	2469	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2470	$self->leave_link;
1978	}	2471	}
1979	})->prio (1);	2472	})->prio (1);
…		…
1992		2485
1993	sub cf::client::send_drawinfo {	2486	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2487	my ($self, $text, $flags) = @_;
1995		2488
1996	utf8::encode $text;	2489	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2490	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2491	}
1999		2492
		2493	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2494
		2495	Send a drawinfo or msg packet to the client, formatting the msg for the
		2496	client if neccessary. C<$type> should be a string identifying the type of
		2497	the message, with C<log> being the default. If C<$color> is negative, suppress
		2498	the message unless the client supports the msg packet.
		2499
		2500	=cut
		2501
		2502	sub cf::client::send_msg {
		2503	my ($self, $channel, $msg, $color, @extra) = @_;
		2504
		2505	$msg = $self->pl->expand_cfpod ($msg);
		2506
		2507	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2508
		2509	if (ref $channel) {
		2510	# send meta info to client, if not yet sent
		2511	unless (exists $self->{channel}{$channel->{id}}) {
		2512	$self->{channel}{$channel->{id}} = $channel;
		2513	$self->ext_msg (channel_info => $channel);
		2514	}
		2515
		2516	$channel = $channel->{id};
		2517	}
		2518
		2519	return unless @extra || length $msg;
		2520
		2521	if ($self->can_msg) {
		2522	# default colour, mask it out
		2523	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2524	if $color & cf::NDI_DEF;
		2525
		2526	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2527	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2528	} else {
		2529	if ($color >= 0) {
		2530	# replace some tags by gcfclient-compatible ones
		2531	for ($msg) {
		2532	1 while
		2533	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2534	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2535	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2536	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2537	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2538	}
		2539
		2540	$color &= cf::NDI_COLOR_MASK;
		2541
		2542	utf8::encode $msg;
		2543
		2544	if (0 && $msg =~ /\[/) {
		2545	# COMMAND/INFO
		2546	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2547	} else {
		2548	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2549	$self->send_packet ("drawinfo $color $msg")
		2550	}
		2551	}
		2552	}
		2553	}
		2554
		2555	=item $client->ext_msg ($type, @msg)
		2556
		2557	Sends an ext event to the client.
		2558
		2559	=cut
		2560
		2561	sub cf::client::ext_msg($$@) {
		2562	my ($self, $type, @msg) = @_;
		2563
		2564	if ($self->extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($self->extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
		2571
		2572	=item $client->ext_reply ($msgid, @msg)
		2573
		2574	Sends an ext reply to the client.
		2575
		2576	=cut
		2577
		2578	sub cf::client::ext_reply($$@) {
		2579	my ($self, $id, @msg) = @_;
		2580
		2581	if ($self->extcmd == 2) {
		2582	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2583	} elsif ($self->extcmd == 1) {
		2584	#TODO: version 1, remove
		2585	unshift @msg, msgtype => "reply", msgid => $id;
		2586	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2587	}
		2588	}
2000		2589
2001	=item $success = $client->query ($flags, "text", \&cb)	2590	=item $success = $client->query ($flags, "text", \&cb)
2002		2591
2003	Queues a query to the client, calling the given callback with	2592	Queues a query to the client, calling the given callback with
2004	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2593	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2005	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2594	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2595
2007	Queries can fail, so check the return code. Or don't, as queries will become	2596	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2597	become reliable at some point in the future.
2009		2598
2010	=cut	2599	=cut
2011		2600
2012	sub cf::client::query {	2601	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2602	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2610	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2611	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2612
2024	$self->send_packet ($self->{query_queue}[0][0])	2613	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2614	if @{ $self->{query_queue} } == 1;
		2615
		2616	1
2026	}	2617	}
2027		2618
2028	cf::client->attach (	2619	cf::client->attach (
		2620	on_connect => sub {
		2621	my ($ns) = @_;
		2622
		2623	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2624	},
2029	on_reply => sub {	2625	on_reply => sub {
2030	my ($ns, $msg) = @_;	2626	my ($ns, $msg) = @_;
2031		2627
2032	# this weird shuffling is so that direct followup queries	2628	# this weird shuffling is so that direct followup queries
2033	# get handled first	2629	# get handled first
…		…
2045	} else {	2641	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2642	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2643	}
2048	}	2644	}
2049	},	2645	},
		2646	on_exticmd => sub {
		2647	my ($ns, $buf) = @_;
		2648
		2649	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2650
		2651	if (ref $msg) {
		2652	my ($type, $reply, @payload) =
		2653	"ARRAY" eq ref $msg
		2654	? @$msg
		2655	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2656
		2657	my @reply;
		2658
		2659	if (my $cb = $EXTICMD{$type}) {
		2660	@reply = $cb->($ns, @payload);
		2661	}
		2662
		2663	$ns->ext_reply ($reply, @reply)
		2664	if $reply;
		2665
		2666	} else {
		2667	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2668	}
		2669
		2670	cf::override;
		2671	},
2050	);	2672	);
2051		2673
2052	=item $client->async (\&cb)	2674	=item $client->async (\&cb)
2053		2675
2054	Create a new coroutine, running the specified callback. The coroutine will	2676	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2717	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2718	our $safe_hole = new Safe::Hole;
2097		2719
2098	$SIG{FPE} = 'IGNORE';	2720	$SIG{FPE} = 'IGNORE';
2099		2721
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2722	$safe->permit_only (Opcode::opset qw(
		2723	:base_core :base_mem :base_orig :base_math
		2724	grepstart grepwhile mapstart mapwhile
		2725	sort time
		2726	));
2101		2727
2102	# here we export the classes and methods available to script code	2728	# here we export the classes and methods available to script code
2103		2729
2104	=pod	2730	=pod
2105		2731
2106	The following fucntions and emthods are available within a safe environment:	2732	The following functions and methods are available within a safe environment:
2107		2733
2108	cf::object contr pay_amount pay_player map	2734	cf::object
		2735	contr pay_amount pay_player map x y force_find force_add
		2736	insert remove name archname title slaying race decrease_ob_nr
		2737
2109	cf::object::player player	2738	cf::object::player
2110	cf::player peaceful	2739	player
2111	cf::map trigger	2740
		2741	cf::player
		2742	peaceful
		2743
		2744	cf::map
		2745	trigger
2112		2746
2113	=cut	2747	=cut
2114		2748
2115	for (	2749	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2750	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2751	insert remove inv name archname title slaying race
		2752	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2753	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2754	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2755	["cf::map" => qw(trigger)],
2120	) {	2756	) {
2121	no strict 'refs';	2757	no strict 'refs';
…		…
2192	=back	2828	=back
2193		2829
2194	=cut	2830	=cut
2195		2831
2196	#############################################################################	2832	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$family> should best start with the name of the extension
2205	using it, it should be unique.
2206
2207	=over 4
2208
2209	=item $value = cf::db_get $family => $key
2210
2211	Returns a single value from the database.
2212
2213	=item cf::db_put $family => $key => $value
2214
2215	Stores the given C<$value> in the family.
2216
2217	=cut
2218
2219	our $DB;
2220
2221	sub db_init {
2222	unless ($DB) {
2223	$DB = BDB::db_create $DB_ENV;
2224
2225	cf::sync_job {
2226	eval {
2227	$DB->set_flags (BDB::CHKSUM);
2228
2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2231	cf::cleanup "db_open(db): $!" if $!;
2232	};
2233	cf::cleanup "db_open(db): $@" if $@;
2234	};
2235
2236	my $path = cf::localdir . "/database.pst";
2237	if (stat $path) {
2238	cf::sync_job {
2239	my $pst = Storable::retrieve $path;
2240
2241	cf::db_put (board => data => $pst->{board});
2242	cf::db_put (guildrules => data => $pst->{guildrules});
2243	cf::db_put (rent => balance => $pst->{rent}{balance});
2244	BDB::db_env_txn_checkpoint $DB_ENV;
2245
2246	unlink $path;
2247	};
2248	}
2249	}
2250	}
2251
2252	sub db_get($$) {
2253	my $key = "$_[0]/$_[1]";
2254
2255	cf::sync_job {
2256	BDB::db_get $DB, undef, $key, my $data;
2257
2258	$! ? ()
2259	: Compress::LZF::sthaw $data
2260	}
2261	}
2262
2263	sub db_put($$$) {
2264	BDB::dbreq_pri 4;
2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2833	# the server's init and main functions
2270		2834
2271	sub init_resources {	2835	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2836	my ($path) = @_;
		2837
		2838	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2839
		2840	warn "loading facedata from $path\n";
		2841
		2842	my $facedata;
		2843	0 < aio_load $path, $facedata
		2844	or die "$path: $!";
		2845
		2846	$facedata = Coro::Storable::thaw $facedata;
		2847
		2848	$facedata->{version} == 2
		2849	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2850
		2851	# patch in the exptable
		2852	$facedata->{resource}{"res/exp_table"} = {
		2853	type => FT_RSRC,
		2854	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2855	};
		2856	cf::cede_to_tick;
		2857
		2858	{
		2859	my $faces = $facedata->{faceinfo};
		2860
		2861	while (my ($face, $info) = each %$faces) {
		2862	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2863	cf::face::set_visibility $idx, $info->{visibility};
		2864	cf::face::set_magicmap $idx, $info->{magicmap};
		2865	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2866	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2867
		2868	cf::cede_to_tick;
		2869	}
		2870
		2871	while (my ($face, $info) = each %$faces) {
		2872	next unless $info->{smooth};
		2873	my $idx = cf::face::find $face
		2874	or next;
		2875	if (my $smooth = cf::face::find $info->{smooth}) {
		2876	cf::face::set_smooth $idx, $smooth;
		2877	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2878	} else {
		2879	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2880	}
		2881
		2882	cf::cede_to_tick;
		2883	}
		2884	}
		2885
		2886	{
		2887	my $anims = $facedata->{animinfo};
		2888
		2889	while (my ($anim, $info) = each %$anims) {
		2890	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	cf::anim::invalidate_all; # d'oh
		2895	}
		2896
		2897	{
		2898	# TODO: for gcfclient pleasure, we should give resources
		2899	# that gcfclient doesn't grok a >10000 face index.
		2900	my $res = $facedata->{resource};
		2901
		2902	my $soundconf = delete $res->{"res/sound.conf"};
		2903
		2904	while (my ($name, $info) = each %$res) {
		2905	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2906	my $data;
		2907
		2908	if ($info->{type} & 1) {
		2909	# prepend meta info
		2910
		2911	my $meta = $enc->encode ({
		2912	name => $name,
		2913	%{ $info->{meta} || {} },
		2914	});
		2915
		2916	$data = pack "(w/a*)*", $meta, $info->{data};
		2917	} else {
		2918	$data = $info->{data};
		2919	}
		2920
		2921	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2922	cf::face::set_type $idx, $info->{type};
		2923
		2924	cf::cede_to_tick;
		2925	}
		2926
		2927	if ($soundconf) {
		2928	$soundconf = $enc->decode (delete $soundconf->{data});
		2929
		2930	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2931	my $sound = $soundconf->{compat}[$_]
		2932	or next;
		2933
		2934	my $face = cf::face::find "sound/$sound->[1]";
		2935	cf::sound::set $sound->[0] => $face;
		2936	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2937	}
		2938
		2939	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2940	my $face = cf::face::find "sound/$v";
		2941	cf::sound::set $k => $face;
		2942	}
		2943	}
		2944	}
		2945
		2946	1
		2947	}
		2948
		2949	register_exticmd fx_want => sub {
		2950	my ($ns, $want) = @_;
		2951
		2952	while (my ($k, $v) = each %$want) {
		2953	$ns->fx_want ($k, $v);
		2954	}
		2955	};
		2956
		2957	sub reload_regions {
		2958	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	2959	or die "unable to load regions file\n";
2274	}
2275		2960
2276	sub cfg_load {	2961	for (cf::region::list) {
		2962	$_->{match} = qr/$_->{match}/
		2963	if exists $_->{match};
		2964	}
		2965	}
		2966
		2967	sub reload_facedata {
		2968	load_facedata "$DATADIR/facedata"
		2969	or die "unable to load facedata\n";
		2970	}
		2971
		2972	sub reload_archetypes {
		2973	load_resource_file "$DATADIR/archetypes"
		2974	or die "unable to load archetypes\n";
		2975	#d# NEED to laod twice to resolve forward references
		2976	# this really needs to be done in an extra post-pass
		2977	# (which needs to be synchronous, so solve it differently)
		2978	load_resource_file "$DATADIR/archetypes"
		2979	or die "unable to load archetypes\n";
		2980	}
		2981
		2982	sub reload_treasures {
		2983	load_resource_file "$DATADIR/treasures"
		2984	or die "unable to load treasurelists\n";
		2985	}
		2986
		2987	sub reload_resources {
		2988	warn "reloading resource files...\n";
		2989
		2990	reload_regions;
		2991	reload_facedata;
		2992	#reload_archetypes;#d#
		2993	reload_archetypes;
		2994	reload_treasures;
		2995
		2996	warn "finished reloading resource files\n";
		2997	}
		2998
		2999	sub init {
		3000	reload_resources;
		3001	}
		3002
		3003	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3004	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3005	or return;
2279		3006
2280	local $/;	3007	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3008	*CFG = YAML::Syck::Load <$fh>;
2282		3009
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3017	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3018	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3019	};
2293	warn $@ if $@;	3020	warn $@ if $@;
2294	}	3021	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3022	}
2300		3023
2301	sub main {	3024	sub main {
2302	# we must not ever block the main coroutine	3025	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3026	local $Coro::idle = sub {
…		…
2305	(async {	3028	(async {
2306	Event::one_event;	3029	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3030	})->prio (Coro::PRIO_MAX);
2308	};	3031	};
2309		3032
2310	cfg_load;	3033	reload_config;
2311	db_init;	3034	db_init;
2312	load_extensions;	3035	load_extensions;
2313		3036
2314	$TICK_WATCHER->start;	3037	$TICK_WATCHER->start;
2315	Event::loop;	3038	Event::loop;
…		…
2331	},	3054	},
2332	);	3055	);
2333	}	3056	}
2334	}	3057	}
2335		3058
		3059	sub write_runtime {
		3060	my $runtime = "$LOCALDIR/runtime";
		3061
		3062	# first touch the runtime file to show we are still running:
		3063	# the fsync below can take a very very long time.
		3064
		3065	IO::AIO::aio_utime $runtime, undef, undef;
		3066
		3067	my $guard = cf::lock_acquire "write_runtime";
		3068
		3069	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3070	or return;
		3071
		3072	my $value = $cf::RUNTIME + 90 + 10;
		3073	# 10 is the runtime save interval, for a monotonic clock
		3074	# 60 allows for the watchdog to kill the server.
		3075
		3076	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3077	and return;
		3078
		3079	# always fsync - this file is important
		3080	aio_fsync $fh
		3081	and return;
		3082
		3083	# touch it again to show we are up-to-date
		3084	aio_utime $fh, undef, undef;
		3085
		3086	close $fh
		3087	or return;
		3088
		3089	aio_rename "$runtime~", $runtime
		3090	and return;
		3091
		3092	warn "runtime file written.\n";
		3093
		3094	1
		3095	}
		3096
2336	sub emergency_save() {	3097	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3098	my $freeze_guard = cf::freeze_mainloop;
2338		3099
2339	warn "enter emergency perl save\n";	3100	warn "enter emergency perl save\n";
2340		3101
…		…
2371		3132
2372	warn Carp::longmess "post_cleanup backtrace"	3133	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3134	if $make_core;
2374	}	3135	}
2375		3136
2376	sub reload() {	3137	sub do_reload_perl() {
2377	# can/must only be called in main	3138	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3139	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3140	warn "can only reload from main coroutine";
2380	return;	3141	return;
2381	}	3142	}
…		…
2406	Coro::cede;	3167	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3168	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3169	warn "iterate...";
2409	}	3170	}
2410		3171
		3172	++$RELOAD;
		3173
2411	warn "cancelling all extension coros";	3174	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3175	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3176	%EXT_CORO = ();
2414		3177
2415	warn "removing commands";	3178	warn "removing commands";
2416	%COMMAND = ();	3179	%COMMAND = ();
2417		3180
2418	warn "removing ext commands";	3181	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3182	%EXTCMD = ();
		3183	%EXTICMD = ();
2420		3184
2421	warn "unloading/nuking all extensions";	3185	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3186	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3187	warn "... unloading $pkg";
2424		3188
…		…
2454	Symbol::delete_package "safe::$_"	3218	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3219	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3220
2457	warn "unloading cf.pm \"a bit\"";	3221	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3222	delete $INC{"cf.pm"};
		3223	delete $INC{"cf/pod.pm"};
2459		3224
2460	# don't, removes xs symbols, too,	3225	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3226	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3227	#Symbol::delete_package __PACKAGE__;
2463		3228
…		…
2466	warn "reloading cf.pm";	3231	warn "reloading cf.pm";
2467	require cf;	3232	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3233	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3234
2470	warn "loading config and database again";	3235	warn "loading config and database again";
2471	cf::cfg_load;	3236	cf::reload_config;
2472		3237
2473	warn "loading extensions";	3238	warn "loading extensions";
2474	cf::load_extensions;	3239	cf::load_extensions;
2475		3240
2476	warn "reattaching attachments to objects/players";	3241	warn "reattaching attachments to objects/players";
…		…
2478	warn "reattaching attachments to maps";	3243	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3244	reattach $_ for values %MAP;
2480	warn "reattaching attachments to players";	3245	warn "reattaching attachments to players";
2481	reattach $_ for values %PLAYER;	3246	reattach $_ for values %PLAYER;
2482		3247
2483	warn "loading reloadable resources";
2484	init_resources;
2485
2486	warn "leaving sync_job";	3248	warn "leaving sync_job";
2487		3249
2488	1	3250	1
2489	} or do {	3251	} or do {
2490	warn $@;	3252	warn $@;
…		…
2495	warn "reloaded";	3257	warn "reloaded";
2496	};	3258	};
2497		3259
2498	our $RELOAD_WATCHER; # used only during reload	3260	our $RELOAD_WATCHER; # used only during reload
2499		3261
		3262	sub reload_perl() {
		3263	# doing reload synchronously and two reloads happen back-to-back,
		3264	# coro crashes during coro_state_free->destroy here.
		3265
		3266	$RELOAD_WATCHER ||= Event->timer (
		3267	reentrant => 0,
		3268	after => 0,
		3269	data => WF_AUTOCANCEL,
		3270	cb => sub {
		3271	do_reload_perl;
		3272	undef $RELOAD_WATCHER;
		3273	},
		3274	);
		3275	}
		3276
2500	register_command "reload" => sub {	3277	register_command "reload" => sub {
2501	my ($who, $arg) = @_;	3278	my ($who, $arg) = @_;
2502		3279
2503	if ($who->flag (FLAG_WIZ)) {	3280	if ($who->flag (FLAG_WIZ)) {
2504	$who->message ("reloading server.");	3281	$who->message ("reloading server.");
2505		3282	async { reload_perl };
2506	# doing reload synchronously and two reloads happen back-to-back,
2507	# coro crashes during coro_state_free->destroy here.
2508
2509	$RELOAD_WATCHER ||= Event->timer (
2510	reentrant => 0,
2511	after => 0,
2512	data => WF_AUTOCANCEL,
2513	cb => sub {
2514	reload;
2515	undef $RELOAD_WATCHER;
2516	},
2517	);
2518	}	3283	}
2519	};	3284	};
2520		3285
2521	unshift @INC, $LIBDIR;	3286	unshift @INC, $LIBDIR;
2522		3287
2523	my $bug_warning = 0;	3288	my $bug_warning = 0;
2524		3289
		3290	our @WAIT_FOR_TICK;
		3291	our @WAIT_FOR_TICK_BEGIN;
		3292
		3293	sub wait_for_tick {
		3294	return unless $TICK_WATCHER->is_active;
		3295	return if $Coro::current == $Coro::main;
		3296
		3297	my $signal = new Coro::Signal;
		3298	push @WAIT_FOR_TICK, $signal;
		3299	$signal->wait;
		3300	}
		3301
		3302	sub wait_for_tick_begin {
		3303	return unless $TICK_WATCHER->is_active;
		3304	return if $Coro::current == $Coro::main;
		3305
		3306	my $signal = new Coro::Signal;
		3307	push @WAIT_FOR_TICK_BEGIN, $signal;
		3308	$signal->wait;
		3309	}
		3310
		3311	my $min = 1e6;#d#
		3312	my $avg = 10;
2525	$TICK_WATCHER = Event->timer (	3313	$TICK_WATCHER = Event->timer (
2526	reentrant => 0,	3314	reentrant => 0,
2527	parked => 1,	3315	parked => 1,
2528	prio => 0,	3316	prio => 0,
2529	at => $NEXT_TICK || $TICK,	3317	at => $NEXT_TICK || $TICK,
…		…
2533	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3321	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2534	unless ++$bug_warning > 10;	3322	unless ++$bug_warning > 10;
2535	return;	3323	return;
2536	}	3324	}
2537		3325
2538	$NOW = Event::time;	3326	$NOW = $tick_start = Event::time;
2539		3327
2540	cf::server_tick; # one server iteration	3328	cf::server_tick; # one server iteration
		3329
		3330	0 && sync_job {#d#
		3331	for(1..10) {
		3332	my $t = Event::time;
		3333	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3334	or die;
		3335
		3336	$map->width (50);
		3337	$map->height (50);
		3338	$map->alloc;
		3339	$map->_load_objects ("/tmp/x.map", 1);
		3340	my $t = Event::time - $t;
		3341
		3342	#next unless $t < 0.0013;#d#
		3343	if ($t < $min) {
		3344	$min = $t;
		3345	}
		3346	$avg = $avg * 0.99 + $t * 0.01;
		3347	}
		3348	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3349	exit 0;
		3350	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3351	};
		3352
2541	$RUNTIME += $TICK;	3353	$RUNTIME += $TICK;
2542	$NEXT_TICK += $TICK;	3354	$NEXT_TICK += $TICK;
2543		3355
2544	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3356	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2545	$NEXT_RUNTIME_WRITE = $NOW + 10;	3357	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2547	write_runtime	3359	write_runtime
2548	or warn "ERROR: unable to write runtime file: $!";	3360	or warn "ERROR: unable to write runtime file: $!";
2549	};	3361	};
2550	}	3362	}
2551		3363
2552	$WAIT_FOR_TICK->broadcast;
2553	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2554
2555	# my $AFTER = Event::time;	3364	# my $AFTER = Event::time;
2556	# warn $AFTER - $NOW;#d#	3365	# warn $AFTER - $NOW;#d#
2557		3366
		3367	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3368	$sig->send;
		3369	}
		3370	while (my $sig = shift @WAIT_FOR_TICK) {
		3371	$sig->send;
		3372	}
		3373
		3374	$NOW = Event::time;
		3375
2558	# if we are delayed by four ticks or more, skip them all	3376	# if we are delayed by four ticks or more, skip them all
2559	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3377	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2560		3378
2561	$TICK_WATCHER->at ($NEXT_TICK);	3379	$TICK_WATCHER->at ($NEXT_TICK);
2562	$TICK_WATCHER->start;	3380	$TICK_WATCHER->start;
		3381
		3382	$LOAD = ($NOW - $tick_start) / $TICK;
		3383	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3384
		3385	_post_tick;
		3386
		3387
2563	},	3388	},
2564	);	3389	);
2565		3390
2566	{	3391	{
2567	BDB::max_poll_time $TICK * 0.1;	3392	BDB::max_poll_time $TICK * 0.1;
…		…
2595		3420
2596	cf::sync_job {	3421	cf::sync_job {
2597	eval {	3422	eval {
2598	BDB::db_env_open	3423	BDB::db_env_open
2599	$DB_ENV,	3424	$DB_ENV,
2600	$BDB_ENV_DIR,	3425	$BDBDIR,
2601	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3426	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2602	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3427	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2603	0666;	3428	0666;
2604		3429
2605	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3430	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2606		3431
2607	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3432	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2608	$DB_ENV->set_lk_detect;	3433	$DB_ENV->set_lk_detect;
2609	};	3434	};
2610		3435
…		…
2626	prio => 6,	3451	prio => 6,
2627	cb => \&IO::AIO::poll_cb,	3452	cb => \&IO::AIO::poll_cb,
2628	);	3453	);
2629	}	3454	}
2630		3455
		3456	my $_log_backtrace;
		3457
		3458	sub _log_backtrace {
		3459	my ($msg, @addr) = @_;
		3460
		3461	$msg =~ s/\n//;
		3462
		3463	# limit the # of concurrent backtraces
		3464	if ($_log_backtrace < 2) {
		3465	++$_log_backtrace;
		3466	async {
		3467	my @bt = fork_call {
		3468	@addr = map { sprintf "%x", $_ } @addr;
		3469	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3470	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3471	or die "addr2line: $!";
		3472
		3473	my @funcs;
		3474	my @res = <$fh>;
		3475	chomp for @res;
		3476	while (@res) {
		3477	my ($func, $line) = splice @res, 0, 2, ();
		3478	push @funcs, "[$func] $line";
		3479	}
		3480
		3481	@funcs
		3482	};
		3483
		3484	LOG llevInfo, "[ABT] $msg\n";
		3485	LOG llevInfo, "[ABT] $_\n" for @bt;
		3486	--$_log_backtrace;
		3487	};
		3488	} else {
		3489	LOG llevInfo, "[ABT] $msg\n";
		3490	LOG llevInfo, "[ABT] [suppressed]\n";
		3491	}
		3492	}
		3493
		3494	# load additional modules
		3495	use cf::pod;
		3496
2631	END { cf::emergency_save }	3497	END { cf::emergency_save }
2632		3498
2633	1	3499	1
2634		3500

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