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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.215 by root, Thu Feb 15 03:19:02 2007 UTC vs.
Revision 1.333 by root, Sun Aug 19 09:14:50 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
		8	use Socket;
8	use Storable;	9	use Storable;
		10	use Event;
9	use Opcode;	11	use Opcode;
10	use Safe;	12	use Safe;
11	use Safe::Hole;	13	use Safe::Hole;
12		14
13	use Coro 3.5 ();	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 ();
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 $runtime = cf::localdir . "/runtime";
360		470
361	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	471	Executes the given code block with the given arguments in a seperate
362	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.
363		475
364	my $value = $cf::RUNTIME + 90 + 10;	476	=cut
365	# 10 is the runtime save interval, for a monotonic clock
366	# 60 allows for the watchdog to kill the server.
367		477
368	(aio_write $fh, 0, (length $value), $value, 0) <= 0	478	sub fork_call(&@) {
369	and return;	479	my ($cb, @args) = @_;
370		480
371	# always fsync - this file is important	481	# we seemingly have to make a local copy of the whole thing,
372	aio_fsync $fh	482	# otherwise perl prematurely frees the stuff :/
373	and return;	483	# TODO: investigate and fix (liekly this will be rather laborious)
374		484
375	close $fh	485	my @res = Coro::Util::fork_eval {
376	or return;	486	reset_signals;
		487	&$cb
		488	}, @args;
377		489
378	aio_rename "$runtime~", $runtime	490	wantarray ? @res : $res[-1]
379	and return;	491	}
380		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	};
381	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 });
382	}	618	}
383		619
384	=back	620	=back
385		621
386	=cut	622	=cut
…		…
393	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")
394	to it. All such attachable objects support the following methods.	630	to it. All such attachable objects support the following methods.
395		631
396	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>
397	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
398	crossfire+).	634	Crossfire TRT).
399		635
400	=over 4	636	=over 4
401		637
402	=item $attachable->attach ($attachment, key => $value...)	638	=item $attachable->attach ($attachment, key => $value...)
403		639
…		…
566	$registry = $CB_TYPE[$object_type] ||= [];	802	$registry = $CB_TYPE[$object_type] ||= [];
567		803
568	} elsif ($type eq "subtype") {	804	} elsif ($type eq "subtype") {
569	defined $object_type or Carp::croak "subtype specified without type";	805	defined $object_type or Carp::croak "subtype specified without type";
570	my $object_subtype = shift @arg;	806	my $object_subtype = shift @arg;
571	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	807	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
572		808
573	} elsif ($type eq "package") {	809	} elsif ($type eq "package") {
574	my $pkg = shift @arg;	810	my $pkg = shift @arg;
575		811
576	while (my ($name, $id) = each %cb_id) {	812	while (my ($name, $id) = each %cb_id) {
…		…
605	_attach $registry, $klass, @attach;	841	_attach $registry, $klass, @attach;
606	}	842	}
607		843
608	$obj->{$name} = \%arg;	844	$obj->{$name} = \%arg;
609	} else {	845	} else {
610	warn "object uses attachment '$name' that is not available, postponing.\n";	846	warn "object uses attachment '$name' which is not available, postponing.\n";
611	}	847	}
612		848
613	$obj->{_attachment}{$name} = undef;	849	$obj->{_attachment}{$name} = undef;
614	}	850	}
615		851
…		…
617	if (ref $_[0]) {	853	if (ref $_[0]) {
618	_object_attach @_;	854	_object_attach @_;
619	} else {	855	} else {
620	_attach shift->_attach_registry, @_;	856	_attach shift->_attach_registry, @_;
621	}	857	}
		858	_recalc_want;
622	};	859	};
623		860
624	# all those should be optimised	861	# all those should be optimised
625	sub cf::attachable::detach {	862	sub cf::attachable::detach {
626	my ($obj, $name) = @_;	863	my ($obj, $name) = @_;
…		…
629	delete $obj->{_attachment}{$name};	866	delete $obj->{_attachment}{$name};
630	reattach ($obj);	867	reattach ($obj);
631	} else {	868	} else {
632	Carp::croak "cannot, currently, detach class attachments";	869	Carp::croak "cannot, currently, detach class attachments";
633	}	870	}
		871	_recalc_want;
634	};	872	};
635		873
636	sub cf::attachable::attached {	874	sub cf::attachable::attached {
637	my ($obj, $name) = @_;	875	my ($obj, $name) = @_;
638		876
…		…
653	";	891	";
654	die if $@;	892	die if $@;
655	}	893	}
656		894
657	our $override;	895	our $override;
658	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?
659		897
660	sub override {	898	sub override {
661	$override = 1;	899	$override = 1;
662	@invoke_results = ();	900	@INVOKE_RESULTS = (@_);
663	}	901	}
664		902
665	sub do_invoke {	903	sub do_invoke {
666	my $event = shift;	904	my $event = shift;
667	my $callbacks = shift;	905	my $callbacks = shift;
668		906
669	@invoke_results = ();	907	@INVOKE_RESULTS = ();
670		908
671	local $override;	909	local $override;
672		910
673	for (@$callbacks) {	911	for (@$callbacks) {
674	eval { &{$_->[1]} };	912	eval { &{$_->[1]} };
…		…
691		929
692	Generate an object-specific event with the given arguments.	930	Generate an object-specific event with the given arguments.
693		931
694	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
695	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
696	results (if you must, access C<@cf::invoke_results> directly).	934	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
697		935
698	=back	936	=back
699		937
700	=cut	938	=cut
701		939
702	#############################################################################	940	#############################################################################
703	# 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	}
704		953
705	sub reattach {	954	sub reattach {
706	# basically do the same as instantiate, without calling instantiate	955	# basically do the same as instantiate, without calling instantiate
707	my ($obj) = @_;	956	my ($obj) = @_;
708		957
…		…
785	}	1034	}
786	} else {	1035	} else {
787	aio_unlink $filename;	1036	aio_unlink $filename;
788	aio_unlink "$filename.pst";	1037	aio_unlink "$filename.pst";
789	}	1038	}
790
791	#d##TODO# nuke non .map-files if exist
792	if ($filename =~ s/\.map$//) {
793	aio_unlink $filename;
794	aio_unlink "$filename.pst";
795	}
796	}	1039	}
797	}	1040	}
798		1041
799	sub object_freezer_as_string {	1042	sub object_freezer_as_string {
800	my ($rdata, $objs) = @_;	1043	my ($rdata, $objs) = @_;
…		…
806		1049
807	sub object_thawer_load {	1050	sub object_thawer_load {
808	my ($filename) = @_;	1051	my ($filename) = @_;
809		1052
810	my ($data, $av);	1053	my ($data, $av);
811
812	#d#TODO remove .map if file does not exist
813	aio_stat $filename and $filename =~ s/\.map$//;
814		1054
815	(aio_load $filename, $data) >= 0	1055	(aio_load $filename, $data) >= 0
816	or return;	1056	or return;
817		1057
818	unless (aio_stat "$filename.pst") {	1058	unless (aio_stat "$filename.pst") {
…		…
820	or return;	1060	or return;
821	$av = eval { (Storable::thaw $av)->{objs} };	1061	$av = eval { (Storable::thaw $av)->{objs} };
822	}	1062	}
823		1063
824	warn sprintf "loading %s (%d)\n",	1064	warn sprintf "loading %s (%d)\n",
825	$filename, length $data, scalar @{$av || []};#d#	1065	$filename, length $data, scalar @{$av || []};
826	return ($data, $av);	1066	return ($data, $av);
827	}	1067	}
		1068
		1069	=head2 COMMAND CALLBACKS
		1070
		1071	=over 4
		1072
		1073	=cut
828		1074
829	#############################################################################	1075	#############################################################################
830	# command handling &c	1076	# command handling &c
831		1077
832	=item cf::register_command $name => \&callback($ob,$args);	1078	=item cf::register_command $name => \&callback($ob,$args);
…		…
845	push @{ $COMMAND{$name} }, [$caller, $cb];	1091	push @{ $COMMAND{$name} }, [$caller, $cb];
846	}	1092	}
847		1093
848	=item cf::register_extcmd $name => \&callback($pl,$packet);	1094	=item cf::register_extcmd $name => \&callback($pl,$packet);
849		1095
850	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.
851		1101
852	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
853	called.	1103	called.
854		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
855	=cut	1116	=cut
856		1117
857	sub register_extcmd {	1118	sub register_extcmd {
858	my ($name, $cb) = @_;	1119	my ($name, $cb) = @_;
859		1120
860	$EXTCMD{$name} = $cb;	1121	$EXTCMD{$name} = $cb;
		1122	}
		1123
		1124	sub register_exticmd {
		1125	my ($name, $cb) = @_;
		1126
		1127	$EXTICMD{$name} = $cb;
861	}	1128	}
862		1129
863	cf::player->attach (	1130	cf::player->attach (
864	on_command => sub {	1131	on_command => sub {
865	my ($pl, $name, $params) = @_;	1132	my ($pl, $name, $params) = @_;
…		…
874	cf::override;	1141	cf::override;
875	},	1142	},
876	on_extcmd => sub {	1143	on_extcmd => sub {
877	my ($pl, $buf) = @_;	1144	my ($pl, $buf) = @_;
878		1145
879	my $msg = eval { from_json $buf };	1146	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
880		1147
881	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
882	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1154	if (my $cb = $EXTCMD{$type}) {
883	if (my %reply = $cb->($pl, $msg)) {	1155	my @reply = $cb->($pl, @payload);
		1156
884	$pl->ext_reply ($msg->{msgid}, %reply);	1157	$pl->ext_reply ($reply, @reply)
885	}	1158	if $reply;
886	}	1159	}
887	} else {	1160	} else {
888	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1161	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
889	}	1162	}
890		1163
891	cf::override;	1164	cf::override;
892	},	1165	},
893	);	1166	);
894		1167
895	sub load_extension {
896	my ($path) = @_;
897
898	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
899	my $base = $1;
900	my $pkg = $1;
901	$pkg =~ s/[^[:word:]]/_/g;
902	$pkg = "ext::$pkg";
903
904	warn "... loading '$path' into '$pkg'\n";
905
906	open my $fh, "<:utf8", $path
907	or die "$path: $!";
908
909	my $source =
910	"package $pkg; use strict; use utf8;\n"
911	. "#line 1 \"$path\"\n{\n"
912	. (do { local $/; <$fh> })
913	. "\n};\n1";
914
915	unless (eval $source) {
916	my $msg = $@ ? "$path: $@\n"
917	: "extension disabled.\n";
918	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
919	warn $@;
920	warn "mandatory extension failed to load, exiting.\n";
921	exit 1;
922	}
923	die $@;
924	}
925
926	push @EXTS, $pkg;
927	}
928
929	sub load_extensions {	1168	sub load_extensions {
		1169	cf::sync_job {
		1170	my %todo;
		1171
930	for my $ext (<$LIBDIR/*.ext>) {	1172	for my $path (<$LIBDIR/*.ext>) {
931	next unless -r $ext;	1173	next unless -r $path;
932	eval {	1174
933	load_extension $ext;	1175	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1176	my $base = $1;
		1177	my $pkg = $1;
		1178	$pkg =~ s/[^[:word:]]/_/g;
		1179	$pkg = "ext::$pkg";
		1180
		1181	open my $fh, "<:utf8", $path
		1182	or die "$path: $!";
		1183
		1184	my $source = do { local $/; <$fh> };
		1185
		1186	my %ext = (
		1187	path => $path,
		1188	base => $base,
		1189	pkg => $pkg,
		1190	);
		1191
		1192	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1193	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1194
		1195	$ext{source} =
		1196	"package $pkg; use strict; use utf8;\n"
		1197	. "#line 1 \"$path\"\n{\n"
		1198	. $source
		1199	. "\n};\n1";
		1200
		1201	$todo{$base} = \%ext;
		1202	}
		1203
		1204	my %done;
		1205	while (%todo) {
		1206	my $progress;
		1207
		1208	while (my ($k, $v) = each %todo) {
		1209	for (split /,\s*/, $v->{meta}{depends}) {
		1210	goto skip
		1211	unless exists $done{$_};
		1212	}
		1213
		1214	warn "... loading '$k' into '$v->{pkg}'\n";
		1215
		1216	unless (eval $v->{source}) {
		1217	my $msg = $@ ? "$v->{path}: $@\n"
		1218	: "$v->{base}: extension inactive.\n";
		1219
		1220	if (exists $v->{meta}{mandatory}) {
		1221	warn $msg;
		1222	warn "mandatory extension failed to load, exiting.\n";
		1223	exit 1;
		1224	}
		1225
		1226	warn $msg;
		1227	}
		1228
		1229	$done{$k} = delete $todo{$k};
		1230	push @EXTS, $v->{pkg};
		1231	$progress = 1;
934	1	1232	}
935	} or warn "$ext not loaded: $@";	1233
		1234	skip:
		1235	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1236	unless $progress;
		1237	}
936	}	1238	};
937	}	1239	}
938		1240
939	#############################################################################	1241	#############################################################################
940		1242
		1243	=back
		1244
941	=head2 CORE EXTENSIONS	1245	=head2 CORE EXTENSIONS
942		1246
943	Functions and methods that extend core crossfire objects.	1247	Functions and methods that extend core crossfire objects.
944		1248
945	=cut	1249	=cut
…		…
957	Returns the given player object, loading it if necessary (might block).	1261	Returns the given player object, loading it if necessary (might block).
958		1262
959	=cut	1263	=cut
960		1264
961	sub playerdir($) {	1265	sub playerdir($) {
962	cf::localdir	1266	"$PLAYERDIR/"
963	. "/"
964	. cf::playerdir
965	. "/"
966	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1267	. (ref $_[0] ? $_[0]->ob->name : $_[0])
967	}	1268	}
968		1269
969	sub path($) {	1270	sub path($) {
970	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1271	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
971		1272
972	(playerdir $login) . "/$login.pl"	1273	(playerdir $login) . "/playerdata"
973	}	1274	}
974		1275
975	sub find_active($) {	1276	sub find_active($) {
976	$cf::PLAYER{$_[0]}	1277	$cf::PLAYER{$_[0]}
977	and $cf::PLAYER{$_[0]}->active	1278	and $cf::PLAYER{$_[0]}->active
…		…
990	my $login = $_[0];	1291	my $login = $_[0];
991		1292
992	my $guard = cf::lock_acquire "user_find:$login";	1293	my $guard = cf::lock_acquire "user_find:$login";
993		1294
994	$cf::PLAYER{$_[0]} || do {	1295	$cf::PLAYER{$_[0]} || do {
		1296	# rename old playerfiles to new ones
		1297	#TODO: remove when no longer required
		1298	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1299	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1300	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1301	aio_unlink +(playerdir $login) . "/$login.pl";
		1302
995	my $pl = load_pl path $login	1303	my $pl = load_pl path $login
996	or return;	1304	or return;
997	$cf::PLAYER{$login} = $pl	1305	$cf::PLAYER{$login} = $pl
998	}	1306	}
999	}	1307	}
…		…
1027	$cf::PLAYER{$login} = $self;	1335	$cf::PLAYER{$login} = $self;
1028		1336
1029	$self	1337	$self
1030	}	1338	}
1031		1339
		1340	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1341
		1342	=cut
		1343
		1344	sub send_msg {
		1345	my $ns = shift->ns
		1346	or return;
		1347	$ns->send_msg (@_);
		1348	}
		1349
1032	=item $pl->quit_character	1350	=item $pl->quit_character
1033		1351
1034	Nukes the player without looking back. If logged in, the connection will	1352	Nukes the player without looking back. If logged in, the connection will
1035	be destroyed. May block for a long time.	1353	be destroyed. May block for a long time.
1036		1354
1037	=cut	1355	=cut
1038		1356
1039	sub quit_character {	1357	sub quit_character {
1040	my ($pl) = @_;	1358	my ($pl) = @_;
		1359
		1360	my $name = $pl->ob->name;
1041		1361
1042	$pl->{deny_save} = 1;	1362	$pl->{deny_save} = 1;
1043	$pl->password ("*"); # this should lock out the player until we nuked the dir	1363	$pl->password ("*"); # this should lock out the player until we nuked the dir
1044		1364
1045	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1365	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1050	my $path = playerdir $pl;	1370	my $path = playerdir $pl;
1051	my $temp = "$path~$cf::RUNTIME~deleting~";	1371	my $temp = "$path~$cf::RUNTIME~deleting~";
1052	aio_rename $path, $temp;	1372	aio_rename $path, $temp;
1053	delete $cf::PLAYER{$pl->ob->name};	1373	delete $cf::PLAYER{$pl->ob->name};
1054	$pl->destroy;	1374	$pl->destroy;
		1375
		1376	my $prefix = qr<^~\Q$name\E/>;
		1377
		1378	# nuke player maps
		1379	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1380
1055	IO::AIO::aio_rmtree $temp;	1381	IO::AIO::aio_rmtree $temp;
		1382	}
		1383
		1384	=item $pl->kick
		1385
		1386	Kicks a player out of the game. This destroys the connection.
		1387
		1388	=cut
		1389
		1390	sub kick {
		1391	my ($pl, $kicker) = @_;
		1392
		1393	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1394	$pl->killer ("kicked");
		1395	$pl->ns->destroy;
1056	}	1396	}
1057		1397
1058	=item cf::player::list_logins	1398	=item cf::player::list_logins
1059		1399
1060	Returns am arrayref of all valid playernames in the system, can take a	1400	Returns am arrayref of all valid playernames in the system, can take a
1061	while and may block, so not sync_job-capable, ever.	1401	while and may block, so not sync_job-capable, ever.
1062		1402
1063	=cut	1403	=cut
1064		1404
1065	sub list_logins {	1405	sub list_logins {
1066	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1406	my $dirs = aio_readdir $PLAYERDIR
1067	or return [];	1407	or return [];
1068		1408
1069	my @logins;	1409	my @logins;
1070		1410
1071	for my $login (@$dirs) {	1411	for my $login (@$dirs) {
…		…
1106	}	1446	}
1107		1447
1108	\@paths	1448	\@paths
1109	}	1449	}
1110		1450
		1451	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1452
		1453	Expand crossfire pod fragments into protocol xml.
		1454
		1455	=cut
		1456
		1457	sub expand_cfpod {
		1458	((my $self), (local $_)) = @_;
		1459
		1460	# escape & and <
		1461	s/&/&amp;/g;
		1462	s/(?<![BIUGH])</&lt;/g;
		1463
		1464	# this is buggy, it needs to properly take care of nested <'s
		1465
		1466	1 while
		1467	# replace B<>, I<>, U<> etc.
		1468	s/B<([^\>]*)>/<b>$1<\/b>/
		1469	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1470	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1471	# replace G<male|female> tags
		1472	|| s{G<([^>|]*)\|([^>]*)>}{
		1473	$self->gender ? $2 : $1
		1474	}ge
		1475	# replace H<hint text>
		1476	|| s{H<([^\>]*)>}
		1477	{
		1478	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1479	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1480	"")
		1481	[$self->{hintmode}]
		1482	}ge;
		1483
		1484	# create single paragraphs (very hackish)
		1485	s/(?<=\S)\n(?=\w)/ /g;
		1486
		1487	# compress some whitespace
		1488	s/\s+\n/\n/g; # ws line-ends
		1489	s/\n\n+/\n/g; # double lines
		1490	s/^\n+//; # beginning lines
		1491	s/\n+$//; # ending lines
		1492
		1493	$_
		1494	}
		1495
		1496	sub hintmode {
		1497	$_[0]{hintmode} = $_[1] if @_ > 1;
		1498	$_[0]{hintmode}
		1499	}
		1500
1111	=item $player->ext_reply ($msgid, $msgtype, %msg)	1501	=item $player->ext_reply ($msgid, @msg)
1112		1502
1113	Sends an ext reply to the player.	1503	Sends an ext reply to the player.
1114		1504
1115	=cut	1505	=cut
1116		1506
1117	sub ext_reply($$$%) {	1507	sub ext_reply($$@) {
1118	my ($self, $id, %msg) = @_;	1508	my ($self, $id, @msg) = @_;
1119		1509
1120	$msg{msgid} = $id;	1510	if ($self->ns->extcmd == 2) {
1121		1511	$self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1122	$self->send ("ext " . cf::to_json \%msg);	1512	} elsif ($self->ns->extcmd == 1) {
		1513	#TODO: version 1, remove
		1514	unshift @msg, msgtype => "reply", msgid => $id;
		1515	$self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
		1516	}
1123	}	1517	}
1124		1518
1125	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		1526	my ($self, $type, @msg) = @_;
		1527
		1528	$self->ns->ext_msg ($type, @msg);
		1529	}
		1530
		1531	=head3 cf::region
		1532
		1533	=over 4
		1534
		1535	=cut
		1536
		1537	package cf::region;
		1538
		1539	=item cf::region::find_by_path $path
		1540
		1541	Tries to decuce the likely region for a map knowing only its path.
		1542
		1543	=cut
		1544
		1545	sub find_by_path($) {
		1546	my ($path) = @_;
		1547
		1548	my ($match, $specificity);
		1549
		1550	for my $region (list) {
		1551	if ($region->{match} && $path =~ $region->{match}) {
		1552	($match, $specificity) = ($region, $region->specificity)
		1553	if $region->specificity > $specificity;
		1554	}
		1555	}
		1556
		1557	$match
		1558	}
1126		1559
1127	=back	1560	=back
1128
1129		1561
1130	=head3 cf::map	1562	=head3 cf::map
1131		1563
1132	=over 4	1564	=over 4
1133		1565
…		…
1188	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1189		1621
1190	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1191	local $self->{path};	1623	local $self->{path};
1192	local $self->{load_path};	1624	local $self->{load_path};
1193	local $self->{deny_save};
1194	local $self->{deny_reset};
1195		1625
1196	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1197	}	1627	}
1198		1628
1199	sub normalise {	1629	sub normalise {
…		…
1246	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1247	return $self;	1677	return $self;
1248	}	1678	}
1249	}	1679	}
1250		1680
1251	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1252	()	1682	()
1253	}	1683	}
1254		1684
1255	sub init {	1685	sub init {
1256	my ($self) = @_;	1686	my ($self) = @_;
…		…
1271		1701
1272	# the original (read-only) location	1702	# the original (read-only) location
1273	sub load_path {	1703	sub load_path {
1274	my ($self) = @_;	1704	my ($self) = @_;
1275		1705
1276	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1277	}	1707	}
1278		1708
1279	# the temporary/swap location	1709	# the temporary/swap location
1280	sub save_path {	1710	sub save_path {
1281	my ($self) = @_;	1711	my ($self) = @_;
1282		1712
1283	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1284	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1285	}	1715	}
1286		1716
1287	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1288	sub uniq_path {	1718	sub uniq_path {
1289	my ($self) = @_;	1719	my ($self) = @_;
1290		1720
1291	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1292	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1293	}	1723	}
1294		1724
1295	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1296	# all maps in C++...	1726	# all maps in C++...
1297	sub change_all_map_light {	1727	sub change_all_map_light {
…		…
1299		1729
1300	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1301	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
1302	}	1732	}
1303		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
		1740	}
		1741
1304	sub unlink_save {	1742	sub unlink_save {
1305	my ($self) = @_;	1743	my ($self) = @_;
1306		1744
1307	utf8::encode (my $save = $self->save_path);	1745	utf8::encode (my $save = $self->save_path);
1308	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1746	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1309	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1747	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1310
1311	#d#TODO remove .map and also nuke
1312	$save =~ s/\.map// or return;#d#
1313	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1314	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1315	}	1748	}
1316		1749
1317	sub load_header_from($) {	1750	sub load_header_from($) {
1318	my ($self, $path) = @_;	1751	my ($self, $path) = @_;
1319		1752
…		…
1369	$self->load_header_orig	1802	$self->load_header_orig
1370	or return;	1803	or return;
1371	$self->prepare_orig;	1804	$self->prepare_orig;
1372	}	1805	}
1373		1806
		1807	$self->{deny_reset} = 1
		1808	if $self->no_reset;
		1809
		1810	$self->default_region (cf::region::find_by_path $self->{path})
		1811	unless $self->default_region;
		1812
1374	1	1813	1
1375	}	1814	}
1376		1815
1377	sub find;	1816	sub find;
1378	sub find {	1817	sub find {
…		…
1390	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1391		1830
1392	$map->load_header	1831	$map->load_header
1393	or return;	1832	or return;
1394		1833
1395	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1396	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1397	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1398	$map->reset;	1837	$map->reset;
1399	undef $guard;	1838	undef $guard;
1400	return find $path;	1839	return find $path;
…		…
1411	my ($self) = @_;	1850	my ($self) = @_;
1412		1851
1413	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1414		1853
1415	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
1416	my $guard = cf::lock_acquire "map_load:$path";	1857	my $guard = cf::lock_acquire "map_load:$path";
1417		1858
1418	return if $self->in_memory != cf::MAP_SWAPPED;	1859	return if $self->in_memory != cf::MAP_SWAPPED;
1419		1860
1420	$self->in_memory (cf::MAP_LOADING);	1861	$self->in_memory (cf::MAP_LOADING);
1421		1862
1422	$self->alloc;	1863	$self->alloc;
1423		1864
1424	$self->pre_load;	1865	$self->pre_load;
1425
1426	$self->_load_objects ($self->{load_path}, 1)
1427	or return;
1428
1429	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1430	if delete $self->{load_original};
1431
1432	if (my $uniq = $self->uniq_path) {
1433	utf8::encode $uniq;
1434	if (aio_open $uniq, O_RDONLY, 0) {
1435	$self->clear_unique_items;
1436	$self->_load_objects ($uniq, 0);
1437	}
1438	}
1439
1440	Coro::cede;
1441
1442	# now do the right thing for maps
1443	$self->link_multipart_objects;
1444
1445	unless ($self->{deny_activate}) {
1446	$self->decay_objects;
1447	$self->fix_auto_apply;
1448	$self->update_buttons;
1449	Coro::cede;	1866	Coro::cede;
1450	$self->set_darkness_map;	1867
		1868	$self->_load_objects ($self->{load_path}, 1)
		1869	or return;
		1870
		1871	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
		1872	if delete $self->{load_original};
		1873
		1874	if (my $uniq = $self->uniq_path) {
		1875	utf8::encode $uniq;
		1876	if (aio_open $uniq, O_RDONLY, 0) {
		1877	$self->clear_unique_items;
		1878	$self->_load_objects ($uniq, 0);
		1879	}
		1880	}
		1881
		1882	Coro::cede;
		1883	# now do the right thing for maps
		1884	$self->link_multipart_objects;
1451	$self->difficulty ($self->estimate_difficulty)	1885	$self->difficulty ($self->estimate_difficulty)
1452	unless $self->difficulty;	1886	unless $self->difficulty;
1453	Coro::cede;	1887	Coro::cede;
		1888
		1889	unless ($self->{deny_activate}) {
		1890	$self->decay_objects;
		1891	$self->fix_auto_apply;
		1892	$self->update_buttons;
		1893	Coro::cede;
		1894	$self->set_darkness_map;
		1895	Coro::cede;
1454	$self->activate;	1896	$self->activate;
		1897	}
		1898
		1899	$self->{last_save} = $cf::RUNTIME;
		1900	$self->last_access ($cf::RUNTIME);
		1901
		1902	$self->in_memory (cf::MAP_IN_MEMORY);
1455	}	1903	}
1456		1904
1457	$self->post_load;	1905	$self->post_load;
1458
1459	$self->in_memory (cf::MAP_IN_MEMORY);
1460	}	1906	}
1461		1907
1462	sub customise_for {	1908	sub customise_for {
1463	my ($self, $ob) = @_;	1909	my ($self, $ob) = @_;
1464		1910
1465	return find "~" . $ob->name . "/" . $self->{path}	1911	return find "~" . $ob->name . "/" . $self->{path}
1466	if $self->per_player;	1912	if $self->per_player;
1467		1913
		1914	# return find "?party/" . $ob->name . "/" . $self->{path}
		1915	# if $self->per_party;
		1916
1468	$self	1917	$self
1469	}	1918	}
1470		1919
1471	# find and load all maps in the 3x3 area around a map	1920	# find and load all maps in the 3x3 area around a map
1472	sub load_diag {	1921	sub load_neighbours {
1473	my ($map) = @_;	1922	my ($map) = @_;
1474		1923
1475	my @diag; # diagonal neighbours	1924	my @neigh; # diagonal neighbours
1476		1925
1477	for (0 .. 3) {	1926	for (0 .. 3) {
1478	my $neigh = $map->tile_path ($_)	1927	my $neigh = $map->tile_path ($_)
1479	or next;	1928	or next;
1480	$neigh = find $neigh, $map	1929	$neigh = find $neigh, $map
1481	or next;	1930	or next;
1482	$neigh->load;	1931	$neigh->load;
1483		1932
		1933	push @neigh,
1484	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1934	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1485	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1935	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1486	}	1936	}
1487		1937
1488	for (@diag) {	1938	for (grep defined $_->[0], @neigh) {
		1939	my ($path, $origin) = @$_;
1489	my $neigh = find @$_	1940	my $neigh = find $path, $origin
1490	or next;	1941	or next;
1491	$neigh->load;	1942	$neigh->load;
1492	}	1943	}
1493	}	1944	}
1494		1945
…		…
1518		1969
1519	undef $MAP_PREFETCH{$path};	1970	undef $MAP_PREFETCH{$path};
1520	$MAP_PREFETCHER ||= cf::async {	1971	$MAP_PREFETCHER ||= cf::async {
1521	while (%MAP_PREFETCH) {	1972	while (%MAP_PREFETCH) {
1522	for my $path (keys %MAP_PREFETCH) {	1973	for my $path (keys %MAP_PREFETCH) {
1523	my $map = find $path	1974	if (my $map = find $path) {
1524	or next;
1525	$map->load;	1975	$map->load;
		1976	}
1526		1977
1527	delete $MAP_PREFETCH{$path};	1978	delete $MAP_PREFETCH{$path};
1528	}	1979	}
1529	}	1980	}
1530	undef $MAP_PREFETCHER;	1981	undef $MAP_PREFETCHER;
…		…
1582		2033
1583	sub reset_at {	2034	sub reset_at {
1584	my ($self) = @_;	2035	my ($self) = @_;
1585		2036
1586	# TODO: safety, remove and allow resettable per-player maps	2037	# TODO: safety, remove and allow resettable per-player maps
1587	return 1e99 if $self->isa ("ext::map_per_player");#d#
1588	return 1e99 if $self->{deny_reset};	2038	return 1e99 if $self->{deny_reset};
1589		2039
1590	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2040	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1591	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2041	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1592		2042
…		…
1603	my ($self) = @_;	2053	my ($self) = @_;
1604		2054
1605	my $lock = cf::lock_acquire "map_data:$self->{path}";	2055	my $lock = cf::lock_acquire "map_data:$self->{path}";
1606		2056
1607	return if $self->players;	2057	return if $self->players;
1608	return if $self->isa ("ext::map_per_player");#d#
1609		2058
1610	warn "resetting map ", $self->path;#d#	2059	warn "resetting map ", $self->path;
1611		2060
1612	$self->in_memory (cf::MAP_SWAPPED);	2061	$self->in_memory (cf::MAP_SWAPPED);
1613		2062
1614	# need to save uniques path	2063	# need to save uniques path
1615	unless ($self->{deny_save}) {	2064	unless ($self->{deny_save}) {
…		…
1647	$cf::MAP{$self->path} = $self;	2096	$cf::MAP{$self->path} = $self;
1648		2097
1649	$self->reset; # polite request, might not happen	2098	$self->reset; # polite request, might not happen
1650	}	2099	}
1651		2100
		2101	=item $maps = cf::map::tmp_maps
		2102
		2103	Returns an arrayref with all map paths of currently instantiated and saved
		2104	maps. May block.
		2105
		2106	=cut
		2107
		2108	sub tmp_maps() {
		2109	[
		2110	map {
		2111	utf8::decode $_;
		2112	/\.map$/
		2113	? normalise $_
		2114	: ()
		2115	} @{ aio_readdir $TMPDIR or [] }
		2116	]
		2117	}
		2118
		2119	=item $maps = cf::map::random_maps
		2120
		2121	Returns an arrayref with all map paths of currently instantiated and saved
		2122	random maps. May block.
		2123
		2124	=cut
		2125
		2126	sub random_maps() {
		2127	[
		2128	map {
		2129	utf8::decode $_;
		2130	/\.map$/
		2131	? normalise "?random/$_"
		2132	: ()
		2133	} @{ aio_readdir $RANDOMDIR or [] }
		2134	]
		2135	}
		2136
1652	=item cf::map::unique_maps	2137	=item cf::map::unique_maps
1653		2138
1654	Returns an arrayref of paths of all shared maps that have	2139	Returns an arrayref of paths of all shared maps that have
1655	instantiated unique items. May block.	2140	instantiated unique items. May block.
1656		2141
1657	=cut	2142	=cut
1658		2143
1659	sub unique_maps() {	2144	sub unique_maps() {
1660	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2145	[
1661	or return;	2146	map {
1662
1663	my @paths;
1664
1665	for (@$files) {
1666	utf8::decode $_;	2147	utf8::decode $_;
1667	next if /\.pst$/;	2148	/\.map$/
1668	next unless /^$PATH_SEP/o;	2149	? normalise $_
1669		2150	: ()
1670	push @paths, cf::map::normalise $_;	2151	} @{ aio_readdir $UNIQUEDIR or [] }
1671	}	2152	]
1672
1673	\@paths
1674	}	2153	}
1675		2154
1676	package cf;	2155	package cf;
1677		2156
1678	=back	2157	=back
…		…
1724		2203
1725	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2204	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1726		2205
1727	if ($self->{record_replies}) {	2206	if ($self->{record_replies}) {
1728	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2207	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2208
1729	} else {	2209	} else {
		2210	my $pl = $self->contr;
		2211
		2212	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2213	my $dialog = $pl->{npc_dialog};
		2214	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2215
		2216	} else {
1730	$msg = $npc->name . " says: $msg" if $npc;	2217	$msg = $npc->name . " says: $msg" if $npc;
1731	$self->message ($msg, $flags);	2218	$self->message ($msg, $flags);
		2219	}
1732	}	2220	}
		2221	}
		2222
		2223	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2224
		2225	=cut
		2226
		2227	sub cf::object::send_msg {
		2228	my $pl = shift->contr
		2229	or return;
		2230	$pl->send_msg (@_);
1733	}	2231	}
1734		2232
1735	=item $player_object->may ("access")	2233	=item $player_object->may ("access")
1736		2234
1737	Returns wether the given player is authorized to access resource "access"	2235	Returns wether the given player is authorized to access resource "access"
…		…
1784	$self->deactivate_recursive;	2282	$self->deactivate_recursive;
1785		2283
1786	return if UNIVERSAL::isa $self->map, "ext::map_link";	2284	return if UNIVERSAL::isa $self->map, "ext::map_link";
1787		2285
1788	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2286	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1789	if $self->map;	2287	if $self->map && $self->map->{path} ne "{link}";
1790		2288
1791	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2289	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1792	}	2290	}
1793		2291
1794	sub cf::object::player::leave_link {	2292	sub cf::object::player::leave_link {
1795	my ($self, $map, $x, $y) = @_;	2293	my ($self, $map, $x, $y) = @_;
		2294
		2295	return unless $self->contr->active;
1796		2296
1797	my $link_pos = delete $self->{_link_pos};	2297	my $link_pos = delete $self->{_link_pos};
1798		2298
1799	unless ($map) {	2299	unless ($map) {
1800	# restore original map position	2300	# restore original map position
…		…
1814	# use -1 or undef as default coordinates, not 0, 0	2314	# use -1 or undef as default coordinates, not 0, 0
1815	($x, $y) = ($map->enter_x, $map->enter_y)	2315	($x, $y) = ($map->enter_x, $map->enter_y)
1816	if $x <=0 && $y <= 0;	2316	if $x <=0 && $y <= 0;
1817		2317
1818	$map->load;	2318	$map->load;
1819	$map->load_diag;	2319	$map->load_neighbours;
1820		2320
1821	return unless $self->contr->active;	2321	return unless $self->contr->active;
1822	$self->activate_recursive;	2322	$self->activate_recursive;
1823		2323
1824	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2324	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2325	$self->enter_map ($map, $x, $y);
1826	}	2326	}
1827		2327
1828	cf::player->attach (	2328	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2329
1832	# abort map switching before logout	2330	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2331	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2332	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2333	the new (success) or old (failed) map position. In either case, $done will
1836	};	2334	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2335
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	$pl->ob->reply (undef,
1848	"There was an internal problem at your last logout, "
1849	. "the server will try to bring you to your intended destination in a second.",
1850	cf::NDI_RED);
1851	# we need this sleep as the login has a concurrent enter_exit running
1852	# and this sleep increases chances of the player not ending up in scorn
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2336	=cut
		2337
		2338	our $GOTOGEN;
1863		2339
1864	sub cf::object::player::goto {	2340	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2341	my ($self, $path, $x, $y, $check, $done) = @_;
		2342
		2343	# do generation counting so two concurrent goto's will be executed in-order
		2344	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2345
1867	$self->enter_link;	2346	$self->enter_link;
1868		2347
1869	(async {	2348	(async {
1870	my $map = eval {	2349	my $map = eval {
1871	my $map = cf::map::find $path;	2350	my $map = cf::map::find $path;
		2351
		2352	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2353	$map = $map->customise_for ($self);
		2354	$map = $check->($map) if $check && $map;
		2355	} else {
		2356	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2357	}
		2358
1873	$map	2359	$map
		2360	};
		2361
		2362	if ($@) {
		2363	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2364	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2365	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2366
		2367	if ($gen == $self->{_goto_generation}) {
		2368	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2369	$self->leave_link ($map, $x, $y);
		2370	}
		2371
		2372	$done->() if $done;
1878	})->prio (1);	2373	})->prio (1);
1879	}	2374	}
1880		2375
1881	=item $player_object->enter_exit ($exit_object)	2376	=item $player_object->enter_exit ($exit_object)
1882		2377
…		…
1921		2416
1922	$rmp->{random_seed} ||= $exit->random_seed;	2417	$rmp->{random_seed} ||= $exit->random_seed;
1923		2418
1924	my $data = cf::to_json $rmp;	2419	my $data = cf::to_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2420	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2421	my $meta = "$RANDOMDIR/$md5.meta";
1927		2422
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2423	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2424	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2425	undef $fh;
1931	aio_rename "$meta~", $meta;	2426	aio_rename "$meta~", $meta;
…		…
1940		2435
1941	return unless $self->type == cf::PLAYER;	2436	return unless $self->type == cf::PLAYER;
1942		2437
1943	if ($exit->slaying eq "/!") {	2438	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2439	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2440	# the problem is that $exit might not survive long enough
		2441	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2442	cf::sync_job { prepare_random_map $exit };
1946	}	2443	}
1947		2444
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2445	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2446	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2447	my $sp = $exit->stats->sp;
1951		2448
1952	$self->enter_link;	2449	$self->enter_link;
		2450
		2451	# if exit is damned, update players death & WoR home-position
		2452	$self->contr->savebed ($slaying, $hp, $sp)
		2453	if $exit->flag (FLAG_DAMNED);
1953		2454
1954	(async {	2455	(async {
1955	$self->deactivate_recursive; # just to be sure	2456	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2457	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2458	$self->goto ($slaying, $hp, $sp);
1958		2459
1959	1;	2460	1;
1960	}) {	2461	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2462	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2463	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2464	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2465	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2466
1966	warn "ERROR in enter_exit: $@";	2467	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2468	$self->leave_link;
1968	}	2469	}
1969	})->prio (1);	2470	})->prio (1);
…		…
1982		2483
1983	sub cf::client::send_drawinfo {	2484	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2485	my ($self, $text, $flags) = @_;
1985		2486
1986	utf8::encode $text;	2487	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2488	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2489	}
1989		2490
		2491	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2492
		2493	Send a drawinfo or msg packet to the client, formatting the msg for the
		2494	client if neccessary. C<$type> should be a string identifying the type of
		2495	the message, with C<log> being the default. If C<$color> is negative, suppress
		2496	the message unless the client supports the msg packet.
		2497
		2498	=cut
		2499
		2500	sub cf::client::send_msg {
		2501	my ($self, $channel, $msg, $color, @extra) = @_;
		2502
		2503	$msg = $self->pl->expand_cfpod ($msg);
		2504
		2505	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2506
		2507	if (ref $channel) {
		2508	# send meta info to client, if not yet sent
		2509	unless (exists $self->{channel}{$channel->{id}}) {
		2510	$self->{channel}{$channel->{id}} = $channel;
		2511	$self->ext_msg (channel_info => $channel);
		2512	}
		2513
		2514	$channel = $channel->{id};
		2515	}
		2516
		2517	return unless @extra || length $msg;
		2518
		2519	if ($self->can_msg) {
		2520	# default colour, mask it out
		2521	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2522	if $color & cf::NDI_DEF;
		2523
		2524	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2525	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2526	} else {
		2527	if ($color >= 0) {
		2528	# replace some tags by gcfclient-compatible ones
		2529	for ($msg) {
		2530	1 while
		2531	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2532	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2533	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2534	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2535	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2536	}
		2537
		2538	$color &= cf::NDI_COLOR_MASK;
		2539
		2540	utf8::encode $msg;
		2541
		2542	if (0 && $msg =~ /\[/) {
		2543	# COMMAND/INFO
		2544	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2545	} else {
		2546	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2547	$self->send_packet ("drawinfo $color $msg")
		2548	}
		2549	}
		2550	}
		2551	}
		2552
		2553	=item $client->ext_msg ($type, @msg)
		2554
		2555	Sends an ext event to the client.
		2556
		2557	=cut
		2558
		2559	sub cf::client::ext_msg($$@) {
		2560	my ($self, $type, @msg) = @_;
		2561
		2562	my $extcmd = $self->extcmd;
		2563
		2564	if ($extcmd == 2) {
		2565	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2566	} elsif ($extcmd == 1) { # TODO: remove
		2567	push @msg, msgtype => "event_$type";
		2568	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2569	}
		2570	}
1990		2571
1991	=item $success = $client->query ($flags, "text", \&cb)	2572	=item $success = $client->query ($flags, "text", \&cb)
1992		2573
1993	Queues a query to the client, calling the given callback with	2574	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2575	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2576	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2577
1997	Queries can fail, so check the return code. Or don't, as queries will become	2578	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2579	become reliable at some point in the future.
1999		2580
2000	=cut	2581	=cut
2001		2582
2002	sub cf::client::query {	2583	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2584	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2592	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2593	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2594
2014	$self->send_packet ($self->{query_queue}[0][0])	2595	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2596	if @{ $self->{query_queue} } == 1;
		2597
		2598	1
2016	}	2599	}
2017		2600
2018	cf::client->attach (	2601	cf::client->attach (
		2602	on_connect => sub {
		2603	my ($ns) = @_;
		2604
		2605	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2606	},
2019	on_reply => sub {	2607	on_reply => sub {
2020	my ($ns, $msg) = @_;	2608	my ($ns, $msg) = @_;
2021		2609
2022	# this weird shuffling is so that direct followup queries	2610	# this weird shuffling is so that direct followup queries
2023	# get handled first	2611	# get handled first
…		…
2035	} else {	2623	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2624	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2625	}
2038	}	2626	}
2039	},	2627	},
		2628	on_exticmd => sub {
		2629	my ($ns, $buf) = @_;
		2630
		2631	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2632
		2633	if (ref $msg) {
		2634	my ($type, $reply, @payload) =
		2635	"ARRAY" eq ref $msg
		2636	? @$msg
		2637	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2638
		2639	if (my $cb = $EXTICMD{$type}) {
		2640	my @reply = $cb->($ns, @payload);
		2641
		2642	$ns->ext_reply ($reply, @reply)
		2643	if $reply;
		2644	}
		2645	} else {
		2646	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2647	}
		2648
		2649	cf::override;
		2650	},
2040	);	2651	);
2041		2652
2042	=item $client->async (\&cb)	2653	=item $client->async (\&cb)
2043		2654
2044	Create a new coroutine, running the specified callback. The coroutine will	2655	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	2696	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	2697	our $safe_hole = new Safe::Hole;
2087		2698
2088	$SIG{FPE} = 'IGNORE';	2699	$SIG{FPE} = 'IGNORE';
2089		2700
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2701	$safe->permit_only (Opcode::opset qw(
		2702	:base_core :base_mem :base_orig :base_math
		2703	grepstart grepwhile mapstart mapwhile
		2704	sort time
		2705	));
2091		2706
2092	# here we export the classes and methods available to script code	2707	# here we export the classes and methods available to script code
2093		2708
2094	=pod	2709	=pod
2095		2710
2096	The following fucntions and emthods are available within a safe environment:	2711	The following functions and methods are available within a safe environment:
2097		2712
2098	cf::object contr pay_amount pay_player map	2713	cf::object
		2714	contr pay_amount pay_player map x y force_find force_add
		2715	insert remove name archname title slaying race
		2716
2099	cf::object::player player	2717	cf::object::player
2100	cf::player peaceful	2718	player
2101	cf::map trigger	2719
		2720	cf::player
		2721	peaceful
		2722
		2723	cf::map
		2724	trigger
2102		2725
2103	=cut	2726	=cut
2104		2727
2105	for (	2728	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	2729	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2730	insert remove inv name archname title slaying race)],
2107	["cf::object::player" => qw(player)],	2731	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	2732	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	2733	["cf::map" => qw(trigger)],
2110	) {	2734	) {
2111	no strict 'refs';	2735	no strict 'refs';
…		…
2182	=back	2806	=back
2183		2807
2184	=cut	2808	=cut
2185		2809
2186	#############################################################################	2810	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	2811	# the server's init and main functions
2260		2812
2261	sub load_resources {	2813	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2814	my ($path) = @_;
		2815
		2816	warn "loading facedata from $path\n";
		2817
		2818	my $facedata;
		2819	0 < aio_load $path, $facedata
		2820	or die "$path: $!";
		2821
		2822	$facedata = Coro::Storable::thaw $facedata;
		2823
		2824	$facedata->{version} == 2
		2825	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2826
		2827	{
		2828	my $faces = $facedata->{faceinfo};
		2829
		2830	while (my ($face, $info) = each %$faces) {
		2831	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2832	cf::face::set_visibility $idx, $info->{visibility};
		2833	cf::face::set_magicmap $idx, $info->{magicmap};
		2834	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
		2835	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};
		2836
		2837	cf::cede_to_tick;
		2838	}
		2839
		2840	while (my ($face, $info) = each %$faces) {
		2841	next unless $info->{smooth};
		2842	my $idx = cf::face::find $face
		2843	or next;
		2844	if (my $smooth = cf::face::find $info->{smooth}) {
		2845	cf::face::set_smooth $idx, $smooth;
		2846	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2847	} else {
		2848	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2849	}
		2850
		2851	cf::cede_to_tick;
		2852	}
		2853	}
		2854
		2855	{
		2856	my $anims = $facedata->{animinfo};
		2857
		2858	while (my ($anim, $info) = each %$anims) {
		2859	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2860	cf::cede_to_tick;
		2861	}
		2862
		2863	cf::anim::invalidate_all; # d'oh
		2864	}
		2865
		2866	{
		2867	# TODO: for gcfclient pleasure, we should give resources
		2868	# that gcfclient doesn't grok a >10000 face index.
		2869	my $res = $facedata->{resource};
		2870	my $enc = JSON::XS->new->utf8->canonical;
		2871
		2872	my $soundconf = delete $res->{"res/sound.conf"};
		2873
		2874	while (my ($name, $info) = each %$res) {
		2875	my $meta = $enc->encode ({
		2876	name => $name,
		2877	%{ $info->{meta} || {} },
		2878	});
		2879
		2880	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2881
		2882	if ($info->{type} & 1) {
		2883	# prepend meta info
		2884
		2885	my $data = pack "(w/a*)*", $meta, $info->{data};
		2886	my $chk = Digest::MD5::md5 "$info->{chksum},$meta"; # mangle data checksum and metadata
		2887
		2888	cf::face::set_data $idx, 0, $data, $chk;
		2889	} else {
		2890	cf::face::set_data $idx, 0, $info->{data}, $info->{chksum};
		2891	}
		2892
		2893	cf::face::set_type $idx, $info->{type};
		2894
		2895	cf::cede_to_tick;
		2896	}
		2897
		2898	if ($soundconf) {
		2899	$soundconf = $enc->decode (delete $soundconf->{data});
		2900
		2901	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2902	my $sound = $soundconf->{compat}[$_]
		2903	or next;
		2904
		2905	my $face = cf::face::find "sound/$sound->[1]";
		2906	cf::sound::set $sound->[0] => $face;
		2907	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2908	}
		2909
		2910	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2911	my $face = cf::face::find "sound/$v";
		2912	cf::sound::set $k => $face;
		2913	}
		2914	}
		2915	}
		2916
		2917	1
		2918	}
		2919
		2920	register_exticmd fx_want => sub {
		2921	my ($ns, $want) = @_;
		2922
		2923	while (my ($k, $v) = each %$want) {
		2924	$ns->fx_want ($k, $v);
		2925	}
		2926	};
		2927
		2928	sub reload_regions {
		2929	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	2930	or die "unable to load regions file\n";
		2931
		2932	for (cf::region::list) {
		2933	$_->{match} = qr/$_->{match}/
		2934	if exists $_->{match};
		2935	}
		2936	}
		2937
		2938	sub reload_facedata {
		2939	load_facedata "$DATADIR/facedata"
		2940	or die "unable to load facedata\n";
		2941	}
		2942
		2943	sub reload_archetypes {
		2944	load_resource_file "$DATADIR/archetypes"
		2945	or die "unable to load archetypes\n";
		2946	#d# NEED to laod twice to resolve forward references
		2947	# this really needs to be done in an extra post-pass
		2948	# (which needs to be synchronous, so solve it differently)
		2949	load_resource_file "$DATADIR/archetypes"
		2950	or die "unable to load archetypes\n";
		2951	}
		2952
		2953	sub reload_treasures {
		2954	load_resource_file "$DATADIR/treasures"
		2955	or die "unable to load treasurelists\n";
		2956	}
		2957
		2958	sub reload_resources {
		2959	warn "reloading resource files...\n";
		2960
		2961	reload_regions;
		2962	reload_facedata;
		2963	#reload_archetypes;#d#
		2964	reload_archetypes;
		2965	reload_treasures;
		2966
		2967	warn "finished reloading resource files\n";
		2968	}
		2969
		2970	sub init {
		2971	reload_resources;
2264	}	2972	}
2265		2973
2266	sub cfg_load {	2974	sub cfg_load {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	2975	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	2976	or return;
2269		2977
2270	local $/;	2978	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	2979	*CFG = YAML::Syck::Load <$fh>;
2272		2980
…		…
2280	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	2988	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2281	and die "WARNING: m(un)lockall failed: $!\n";	2989	and die "WARNING: m(un)lockall failed: $!\n";
2282	};	2990	};
2283	warn $@ if $@;	2991	warn $@ if $@;
2284	}	2992	}
2285	}
2286
2287	sub init {
2288	load_resources;
2289	}	2993	}
2290		2994
2291	sub main {	2995	sub main {
2292	# we must not ever block the main coroutine	2996	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	2997	local $Coro::idle = sub {
…		…
2321	},	3025	},
2322	);	3026	);
2323	}	3027	}
2324	}	3028	}
2325		3029
		3030	sub write_runtime {
		3031	my $runtime = "$LOCALDIR/runtime";
		3032
		3033	# first touch the runtime file to show we are still running:
		3034	# the fsync below can take a very very long time.
		3035
		3036	IO::AIO::aio_utime $runtime, undef, undef;
		3037
		3038	my $guard = cf::lock_acquire "write_runtime";
		3039
		3040	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3041	or return;
		3042
		3043	my $value = $cf::RUNTIME + 90 + 10;
		3044	# 10 is the runtime save interval, for a monotonic clock
		3045	# 60 allows for the watchdog to kill the server.
		3046
		3047	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3048	and return;
		3049
		3050	# always fsync - this file is important
		3051	aio_fsync $fh
		3052	and return;
		3053
		3054	# touch it again to show we are up-to-date
		3055	aio_utime $fh, undef, undef;
		3056
		3057	close $fh
		3058	or return;
		3059
		3060	aio_rename "$runtime~", $runtime
		3061	and return;
		3062
		3063	warn "runtime file written.\n";
		3064
		3065	1
		3066	}
		3067
2326	sub emergency_save() {	3068	sub emergency_save() {
2327	my $freeze_guard = cf::freeze_mainloop;	3069	my $freeze_guard = cf::freeze_mainloop;
2328		3070
2329	warn "enter emergency perl save\n";	3071	warn "enter emergency perl save\n";
2330		3072
…		…
2361		3103
2362	warn Carp::longmess "post_cleanup backtrace"	3104	warn Carp::longmess "post_cleanup backtrace"
2363	if $make_core;	3105	if $make_core;
2364	}	3106	}
2365		3107
2366	sub reload() {	3108	sub do_reload_perl() {
2367	# can/must only be called in main	3109	# can/must only be called in main
2368	if ($Coro::current != $Coro::main) {	3110	if ($Coro::current != $Coro::main) {
2369	warn "can only reload from main coroutine";	3111	warn "can only reload from main coroutine";
2370	return;	3112	return;
2371	}	3113	}
…		…
2396	Coro::cede;	3138	Coro::cede;
2397	last unless IO::AIO::nreqs || BDB::nreqs;	3139	last unless IO::AIO::nreqs || BDB::nreqs;
2398	warn "iterate...";	3140	warn "iterate...";
2399	}	3141	}
2400		3142
		3143	++$RELOAD;
		3144
2401	warn "cancelling all extension coros";	3145	warn "cancelling all extension coros";
2402	$_->cancel for values %EXT_CORO;	3146	$_->cancel for values %EXT_CORO;
2403	%EXT_CORO = ();	3147	%EXT_CORO = ();
2404		3148
2405	warn "removing commands";	3149	warn "removing commands";
2406	%COMMAND = ();	3150	%COMMAND = ();
2407		3151
2408	warn "removing ext commands";	3152	warn "removing ext/exti commands";
2409	%EXTCMD = ();	3153	%EXTCMD = ();
		3154	%EXTICMD = ();
2410		3155
2411	warn "unloading/nuking all extensions";	3156	warn "unloading/nuking all extensions";
2412	for my $pkg (@EXTS) {	3157	for my $pkg (@EXTS) {
2413	warn "... unloading $pkg";	3158	warn "... unloading $pkg";
2414		3159
…		…
2444	Symbol::delete_package "safe::$_"	3189	Symbol::delete_package "safe::$_"
2445	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3190	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2446		3191
2447	warn "unloading cf.pm \"a bit\"";	3192	warn "unloading cf.pm \"a bit\"";
2448	delete $INC{"cf.pm"};	3193	delete $INC{"cf.pm"};
		3194	delete $INC{"cf/pod.pm"};
2449		3195
2450	# don't, removes xs symbols, too,	3196	# don't, removes xs symbols, too,
2451	# and global variables created in xs	3197	# and global variables created in xs
2452	#Symbol::delete_package __PACKAGE__;	3198	#Symbol::delete_package __PACKAGE__;
2453		3199
…		…
2462		3208
2463	warn "loading extensions";	3209	warn "loading extensions";
2464	cf::load_extensions;	3210	cf::load_extensions;
2465		3211
2466	warn "reattaching attachments to objects/players";	3212	warn "reattaching attachments to objects/players";
2467	_global_reattach;	3213	_global_reattach; # objects, sockets
2468	warn "reattaching attachments to maps";	3214	warn "reattaching attachments to maps";
2469	reattach $_ for values %MAP;	3215	reattach $_ for values %MAP;
2470		3216	warn "reattaching attachments to players";
2471	warn "loading reloadable resources";	3217	reattach $_ for values %PLAYER;
2472	load_resources;
2473		3218
2474	warn "leaving sync_job";	3219	warn "leaving sync_job";
2475		3220
2476	1	3221	1
2477	} or do {	3222	} or do {
…		…
2483	warn "reloaded";	3228	warn "reloaded";
2484	};	3229	};
2485		3230
2486	our $RELOAD_WATCHER; # used only during reload	3231	our $RELOAD_WATCHER; # used only during reload
2487		3232
		3233	sub reload_perl() {
		3234	# doing reload synchronously and two reloads happen back-to-back,
		3235	# coro crashes during coro_state_free->destroy here.
		3236
		3237	$RELOAD_WATCHER ||= Event->timer (
		3238	reentrant => 0,
		3239	after => 0,
		3240	data => WF_AUTOCANCEL,
		3241	cb => sub {
		3242	do_reload_perl;
		3243	undef $RELOAD_WATCHER;
		3244	},
		3245	);
		3246	}
		3247
2488	register_command "reload" => sub {	3248	register_command "reload" => sub {
2489	my ($who, $arg) = @_;	3249	my ($who, $arg) = @_;
2490		3250
2491	if ($who->flag (FLAG_WIZ)) {	3251	if ($who->flag (FLAG_WIZ)) {
2492	$who->message ("reloading server.");	3252	$who->message ("reloading server.");
2493		3253	async { reload_perl };
2494	# doing reload synchronously and two reloads happen back-to-back,
2495	# coro crashes during coro_state_free->destroy here.
2496
2497	$RELOAD_WATCHER ||= Event->timer (
2498	reentrant => 0,
2499	after => 0,
2500	data => WF_AUTOCANCEL,
2501	cb => sub {
2502	reload;
2503	undef $RELOAD_WATCHER;
2504	},
2505	);
2506	}	3254	}
2507	};	3255	};
2508		3256
2509	unshift @INC, $LIBDIR;	3257	unshift @INC, $LIBDIR;
2510		3258
2511	my $bug_warning = 0;	3259	my $bug_warning = 0;
2512		3260
		3261	our @WAIT_FOR_TICK;
		3262	our @WAIT_FOR_TICK_BEGIN;
		3263
		3264	sub wait_for_tick {
		3265	return unless $TICK_WATCHER->is_active;
		3266	return if $Coro::current == $Coro::main;
		3267
		3268	my $signal = new Coro::Signal;
		3269	push @WAIT_FOR_TICK, $signal;
		3270	$signal->wait;
		3271	}
		3272
		3273	sub wait_for_tick_begin {
		3274	return unless $TICK_WATCHER->is_active;
		3275	return if $Coro::current == $Coro::main;
		3276
		3277	my $signal = new Coro::Signal;
		3278	push @WAIT_FOR_TICK_BEGIN, $signal;
		3279	$signal->wait;
		3280	}
		3281
		3282	my $min = 1e6;#d#
		3283	my $avg = 10;
2513	$TICK_WATCHER = Event->timer (	3284	$TICK_WATCHER = Event->timer (
2514	reentrant => 0,	3285	reentrant => 0,
2515	parked => 1,	3286	parked => 1,
2516	prio => 0,	3287	prio => 0,
2517	at => $NEXT_TICK || $TICK,	3288	at => $NEXT_TICK || $TICK,
…		…
2521	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3292	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2522	unless ++$bug_warning > 10;	3293	unless ++$bug_warning > 10;
2523	return;	3294	return;
2524	}	3295	}
2525		3296
2526	$NOW = Event::time;	3297	$NOW = $tick_start = Event::time;
2527		3298
2528	cf::server_tick; # one server iteration	3299	cf::server_tick; # one server iteration
		3300
		3301	0 && sync_job {#d#
		3302	for(1..10) {
		3303	my $t = Event::time;
		3304	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3305	or die;
		3306
		3307	$map->width (50);
		3308	$map->height (50);
		3309	$map->alloc;
		3310	$map->_load_objects ("/tmp/x.map", 1);
		3311	my $t = Event::time - $t;
		3312
		3313	#next unless $t < 0.0013;#d#
		3314	if ($t < $min) {
		3315	$min = $t;
		3316	}
		3317	$avg = $avg * 0.99 + $t * 0.01;
		3318	}
		3319	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3320	exit 0;
		3321	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3322	};
		3323
2529	$RUNTIME += $TICK;	3324	$RUNTIME += $TICK;
2530	$NEXT_TICK += $TICK;	3325	$NEXT_TICK += $TICK;
2531		3326
2532	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3327	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2533	$NEXT_RUNTIME_WRITE = $NOW + 10;	3328	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2535	write_runtime	3330	write_runtime
2536	or warn "ERROR: unable to write runtime file: $!";	3331	or warn "ERROR: unable to write runtime file: $!";
2537	};	3332	};
2538	}	3333	}
2539		3334
2540
2541	$WAIT_FOR_TICK->broadcast;
2542	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2543
2544	# my $AFTER = Event::time;	3335	# my $AFTER = Event::time;
2545	# warn $AFTER - $NOW;#d#	3336	# warn $AFTER - $NOW;#d#
2546		3337
		3338	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3339	$sig->send;
		3340	}
		3341	while (my $sig = shift @WAIT_FOR_TICK) {
		3342	$sig->send;
		3343	}
		3344
		3345	$NOW = Event::time;
		3346
2547	# if we are delayed by four ticks or more, skip them all	3347	# if we are delayed by four ticks or more, skip them all
2548	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3348	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2549		3349
2550	$TICK_WATCHER->at ($NEXT_TICK);	3350	$TICK_WATCHER->at ($NEXT_TICK);
2551	$TICK_WATCHER->start;	3351	$TICK_WATCHER->start;
		3352
		3353	$LOAD = ($NOW - $tick_start) / $TICK;
		3354	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3355
		3356	_post_tick;
		3357
		3358
2552	},	3359	},
2553	);	3360	);
2554		3361
2555	{	3362	{
2556	BDB::max_poll_time $TICK * 0.1;	3363	BDB::max_poll_time $TICK * 0.1;
…		…
2584		3391
2585	cf::sync_job {	3392	cf::sync_job {
2586	eval {	3393	eval {
2587	BDB::db_env_open	3394	BDB::db_env_open
2588	$DB_ENV,	3395	$DB_ENV,
2589	$BDB_ENV_DIR,	3396	$BDBDIR,
2590	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3397	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2591	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3398	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2592	0666;	3399	0666;
2593		3400
2594	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3401	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2595		3402
2596	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3403	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2597	$DB_ENV->set_lk_detect;	3404	$DB_ENV->set_lk_detect;
2598	};	3405	};
2599		3406
…		…
2615	prio => 6,	3422	prio => 6,
2616	cb => \&IO::AIO::poll_cb,	3423	cb => \&IO::AIO::poll_cb,
2617	);	3424	);
2618	}	3425	}
2619		3426
		3427	my $_log_backtrace;
		3428
		3429	sub _log_backtrace {
		3430	my ($msg, @addr) = @_;
		3431
		3432	$msg =~ s/\n//;
		3433
		3434	# limit the # of concurrent backtraces
		3435	if ($_log_backtrace < 2) {
		3436	++$_log_backtrace;
		3437	async {
		3438	my @bt = fork_call {
		3439	@addr = map { sprintf "%x", $_ } @addr;
		3440	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3441	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3442	or die "addr2line: $!";
		3443
		3444	my @funcs;
		3445	my @res = <$fh>;
		3446	chomp for @res;
		3447	while (@res) {
		3448	my ($func, $line) = splice @res, 0, 2, ();
		3449	push @funcs, "[$func] $line";
		3450	}
		3451
		3452	@funcs
		3453	};
		3454
		3455	LOG llevInfo, "[ABT] $msg\n";
		3456	LOG llevInfo, "[ABT] $_\n" for @bt;
		3457	--$_log_backtrace;
		3458	};
		3459	} else {
		3460	LOG llevInfo, "[ABT] $msg\n";
		3461	LOG llevInfo, "[ABT] [suppressed]\n";
		3462	}
		3463	}
		3464
		3465	# load additional modules
		3466	use cf::pod;
		3467
2620	END { cf::emergency_save }	3468	END { cf::emergency_save }
2621		3469
2622	1	3470	1
2623		3471

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