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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC vs.
Revision 1.351 by root, Sun Sep 2 00:57:38 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
…		…
237	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
240	returned.	275	returned.
241		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
242	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
244		286
245	=cut	287	=cut
246		288
247	our %LOCK;	289	our %LOCK;
248		290
…		…
266		308
267	Coro::guard {	309	Coro::guard {
268	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
270	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
271	}	319	}
272		320
273	sub freeze_mainloop {	321	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
275		323
…		…
278	};	326	};
279	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
280	$guard	328	$guard
281	}	329	}
282		330
		331	=item cf::get_slot $time[, $priority[, $name]]
		332
		333	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		334	This call blocks and returns only when you have at least C<$time> seconds
		335	of cpu time till the next tick. The slot is only valid till the next cede.
		336
		337	The optional C<$name> can be used to identify the job to run. It might be
		338	used for statistical purposes and should identify the same time-class.
		339
		340	Useful for short background jobs.
		341
		342	=cut
		343
		344	our @SLOT_QUEUE;
		345	our $SLOT_QUEUE;
		346
		347	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		348	$SLOT_QUEUE = Coro::async {
		349	my $signal = new Coro::Signal;
		350
		351	while () {
		352	next_job:
		353	my $avail = cf::till_tick;
		354	if ($avail > 0.01) {
		355	for (0 .. $#SLOT_QUEUE) {
		356	if ($SLOT_QUEUE[$_][0] < $avail) {
		357	my $job = splice @SLOT_QUEUE, $_, 1, ();
		358	$job->[2]->send;
		359	Coro::cede;
		360	goto next_job;
		361	}
		362	}
		363	}
		364
		365	if (@SLOT_QUEUE) {
		366	# we do not use wait_For_tick() as it returns immediately when tick is inactive
		367	push @cf::WAIT_FOR_TICK, $signal;
		368	$signal->wait;
		369	} else {
		370	Coro::schedule;
		371	}
		372	}
		373	};
		374
		375	sub get_slot($;$$) {
		376	my ($time, $pri, $name) = @_;
		377
		378	$time = $TICK * .6 if $time > $TICK * .6;
		379	my $sig = new Coro::Signal;
		380
		381	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		382	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		383	$SLOT_QUEUE->ready;
		384	$sig->wait;
		385	}
		386
283	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
284		388
285	Currently the same as Coro::async_pool, meaning you cannot use	389	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	390	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.	391	thing you are allowed to do is call C<prio> on it.
…		…
290		394
291	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
292		396
293	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
294		398
295	The design of crossfire+ requires that the main coro ($Coro::main) is	399	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	400	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.	401	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		402	acceptable.
298		403
299	If it must be done, put the blocking parts into C<sync_job>. This will run	404	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	405	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	406	server will be frozen during this time, so the block should either finish
302	fast or be very important.	407	fast or be very important.
…		…
305		410
306	sub sync_job(&) {	411	sub sync_job(&) {
307	my ($job) = @_;	412	my ($job) = @_;
308		413
309	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
310	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
311	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
312		419
313	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
314	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
325		432
326	while ($busy) {	433	while ($busy) {
327	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
328	}	435	}
329		436
		437	$time = Event::time - $time;
		438
		439	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		440	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		441
		442	$tick_start += $time; # do not account sync jobs to server load
		443
330	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
331	} else {	445	} else {
332	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
333		447
334	$job->()	448	$job->()
…		…
353	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
354		468
355	$coro	469	$coro
356	}	470	}
357		471
358	sub write_runtime {	472	=item fork_call { }, $args
359	my $guard = cf::lock_acquire "write_runtime";
360		473
361	my $runtime = cf::localdir . "/runtime";	474	Executes the given code block with the given arguments in a seperate
		475	process, returning the results. Everything must be serialisable with
		476	Coro::Storable. May, of course, block. Note that the executed sub may
		477	never block itself or use any form of Event handling.
362		478
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
364	or return;
365		480
366	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
367	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
368	# 60 allows for the watchdog to kill the server.
369		483
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
371	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
372		487
373	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
374	aio_fsync $fh	489	reset_signals;
375	and return;	490	&$cb
		491	}, @args;
376		492
377	close $fh	493	wantarray ? @res : $res[-1]
378	or return;	494	}
379		495
380	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
381	and return;
382		497
		498	Returns a single value from the environment database.
		499
		500	=item cf::db_put $family => $key => $value
		501
		502	Stores the given C<$value> in the family. It can currently store binary
		503	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		504
		505	=cut
		506
		507	our $DB;
		508
		509	sub db_init {
		510	unless ($DB) {
		511	$DB = BDB::db_create $DB_ENV;
		512
		513	cf::sync_job {
		514	eval {
		515	$DB->set_flags (BDB::CHKSUM);
		516
		517	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		518	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		519	cf::cleanup "db_open(db): $!" if $!;
		520	};
		521	cf::cleanup "db_open(db): $@" if $@;
		522	};
383	1	523	}
		524	}
		525
		526	sub db_get($$) {
		527	my $key = "$_[0]/$_[1]";
		528
		529	cf::sync_job {
		530	BDB::db_get $DB, undef, $key, my $data;
		531
		532	$! ? ()
		533	: $data
		534	}
		535	}
		536
		537	sub db_put($$$) {
		538	BDB::dbreq_pri 4;
		539	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		540	}
		541
		542	=item cf::cache $id => [$paths...], $processversion => $process
		543
		544	Generic caching function that returns the value of the resource $id,
		545	caching and regenerating as required.
		546
		547	This function can block.
		548
		549	=cut
		550
		551	sub cache {
		552	my ($id, $src, $processversion, $process) = @_;
		553
		554	my $meta =
		555	join "\x00",
		556	$processversion,
		557	map {
		558	aio_stat $_
		559	and Carp::croak "$_: $!";
		560
		561	($_, (stat _)[7,9])
		562	} @$src;
		563
		564	my $dbmeta = db_get cache => "$id/meta";
		565	if ($dbmeta ne $meta) {
		566	# changed, we may need to process
		567
		568	my @data;
		569	my $md5;
		570
		571	for (0 .. $#$src) {
		572	0 <= aio_load $src->[$_], $data[$_]
		573	or Carp::croak "$src->[$_]: $!";
		574	}
		575
		576	# if processing is expensive, check
		577	# checksum first
		578	if (1) {
		579	$md5 =
		580	join "\x00",
		581	$processversion,
		582	map {
		583	cf::cede_to_tick;
		584	($src->[$_], Digest::MD5::md5_hex $data[$_])
		585	} 0.. $#$src;
		586
		587
		588	my $dbmd5 = db_get cache => "$id/md5";
		589	if ($dbmd5 eq $md5) {
		590	db_put cache => "$id/meta", $meta;
		591
		592	return db_get cache => "$id/data";
		593	}
		594	}
		595
		596	my $t1 = Time::HiRes::time;
		597	my $data = $process->(\@data);
		598	my $t2 = Time::HiRes::time;
		599
		600	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		601
		602	db_put cache => "$id/data", $data;
		603	db_put cache => "$id/md5" , $md5;
		604	db_put cache => "$id/meta", $meta;
		605
		606	return $data;
		607	}
		608
		609	db_get cache => "$id/data"
		610	}
		611
		612	=item cf::datalog type => key => value, ...
		613
		614	Log a datalog packet of the given type with the given key-value pairs.
		615
		616	=cut
		617
		618	sub datalog($@) {
		619	my ($type, %kv) = @_;
		620	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	621	}
385		622
386	=back	623	=back
387		624
388	=cut	625	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	632	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
397		634
398	In the following description, CLASS can be any of C<global>, C<object>	635	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	636	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	637	Crossfire TRT).
401		638
402	=over 4	639	=over 4
403		640
404	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
405		642
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
569		806
570	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		811
575	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	813	my $pkg = shift @arg;
577		814
578	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
608	}	845	}
609		846
610	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
611	} else {	848	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	850	}
614		851
615	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
616	}	853	}
617		854
…		…
619	if (ref $_[0]) {	856	if (ref $_[0]) {
620	_object_attach @_;	857	_object_attach @_;
621	} else {	858	} else {
622	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
623	}	860	}
		861	_recalc_want;
624	};	862	};
625		863
626	# all those should be optimised	864	# all those should be optimised
627	sub cf::attachable::detach {	865	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
632	reattach ($obj);	870	reattach ($obj);
633	} else {	871	} else {
634	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
635	}	873	}
		874	_recalc_want;
636	};	875	};
637		876
638	sub cf::attachable::attached {	877	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
640		879
…		…
655	";	894	";
656	die if $@;	895	die if $@;
657	}	896	}
658		897
659	our $override;	898	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	899	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		900
662	sub override {	901	sub override {
663	$override = 1;	902	$override = 1;
664	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
665	}	904	}
666		905
667	sub do_invoke {	906	sub do_invoke {
668	my $event = shift;	907	my $event = shift;
669	my $callbacks = shift;	908	my $callbacks = shift;
670		909
671	@invoke_results = ();	910	@INVOKE_RESULTS = ();
672		911
673	local $override;	912	local $override;
674		913
675	for (@$callbacks) {	914	for (@$callbacks) {
676	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
693		932
694	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
695		934
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	935	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	936	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		938
700	=back	939	=back
701		940
702	=cut	941	=cut
703		942
704	#############################################################################	943	#############################################################################
705	# object support	944	# object support
		945	#
		946
		947	sub _can_merge {
		948	my ($ob1, $ob2) = @_;
		949
		950	local $Storable::canonical = 1;
		951	my $fob1 = Storable::freeze $ob1;
		952	my $fob2 = Storable::freeze $ob2;
		953
		954	$fob1 eq $fob2
		955	}
706		956
707	sub reattach {	957	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	959	my ($obj) = @_;
710		960
…		…
813	or return;	1063	or return;
814	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
815	}	1065	}
816		1066
817	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
818	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
819	return ($data, $av);	1069	return ($data, $av);
820	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
821		1077
822	#############################################################################	1078	#############################################################################
823	# command handling &c	1079	# command handling &c
824		1080
825	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
838	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
839	}	1095	}
840		1096
841	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
842		1098
843	Register a callbackf ro execution when the client sends an extcmd packet.	1099	Register a callback for execution when the client sends an (synchronous)
		1100	extcmd packet. Ext commands will be processed in the order they are
		1101	received by the server, like other user commands. The first argument is
		1102	the logged-in player. Ext commands can only be processed after a player
		1103	has logged in successfully.
844		1104
845	If the callback returns something, it is sent back as if reply was being	1105	If the callback returns something, it is sent back as if reply was being
846	called.	1106	called.
847		1107
		1108	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1109
		1110	Register a callback for execution when the client sends an (asynchronous)
		1111	exticmd packet. Exti commands are processed by the server as soon as they
		1112	are received, i.e. out of order w.r.t. other commands. The first argument
		1113	is a client socket. Exti commands can be received anytime, even before
		1114	log-in.
		1115
		1116	If the callback returns something, it is sent back as if reply was being
		1117	called.
		1118
848	=cut	1119	=cut
849		1120
850	sub register_extcmd {	1121	sub register_extcmd {
851	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
852		1123
853	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
854	}	1131	}
855		1132
856	cf::player->attach (	1133	cf::player->attach (
857	on_command => sub {	1134	on_command => sub {
858	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
867	cf::override;	1144	cf::override;
868	},	1145	},
869	on_extcmd => sub {	1146	on_extcmd => sub {
870	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
871		1148
872	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
873		1150
874	if (ref $msg) {	1151	if (ref $msg) {
		1152	my ($type, $reply, @payload) =
		1153	"ARRAY" eq ref $msg
		1154	? @$msg
		1155	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1156
		1157	my @reply;
		1158
875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
876	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
877	$pl->ext_reply ($msg->{msgid}, %reply);
878	}
879	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
880	} else {	1166	} else {
881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
882	}	1168	}
883		1169
884	cf::override;	1170	cf::override;
885	},	1171	},
886	);	1172	);
887		1173
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 {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
923	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
924	next unless -r $ext;	1179	next unless -r $path;
925	eval {	1180
926	load_extension $ext;	1181	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1182	my $base = $1;
		1183	my $pkg = $1;
		1184	$pkg =~ s/[^[:word:]]/_/g;
		1185	$pkg = "ext::$pkg";
		1186
		1187	open my $fh, "<:utf8", $path
		1188	or die "$path: $!";
		1189
		1190	my $source = do { local $/; <$fh> };
		1191
		1192	my %ext = (
		1193	path => $path,
		1194	base => $base,
		1195	pkg => $pkg,
		1196	);
		1197
		1198	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1199	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1200
		1201	$ext{source} =
		1202	"package $pkg; use strict; use utf8;\n"
		1203	. "#line 1 \"$path\"\n{\n"
		1204	. $source
		1205	. "\n};\n1";
		1206
		1207	$todo{$base} = \%ext;
		1208	}
		1209
		1210	my %done;
		1211	while (%todo) {
		1212	my $progress;
		1213
		1214	while (my ($k, $v) = each %todo) {
		1215	for (split /,\s*/, $v->{meta}{depends}) {
		1216	goto skip
		1217	unless exists $done{$_};
		1218	}
		1219
		1220	warn "... loading '$k' into '$v->{pkg}'\n";
		1221
		1222	unless (eval $v->{source}) {
		1223	my $msg = $@ ? "$v->{path}: $@\n"
		1224	: "$v->{base}: extension inactive.\n";
		1225
		1226	if (exists $v->{meta}{mandatory}) {
		1227	warn $msg;
		1228	warn "mandatory extension failed to load, exiting.\n";
		1229	exit 1;
		1230	}
		1231
		1232	warn $msg;
		1233	}
		1234
		1235	$done{$k} = delete $todo{$k};
		1236	push @EXTS, $v->{pkg};
		1237	$progress = 1;
927	1	1238	}
928	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
929	}	1244	};
930	}	1245	}
931		1246
932	#############################################################################	1247	#############################################################################
933		1248
		1249	=back
		1250
934	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
935		1252
936	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
937		1254
938	=cut	1255	=cut
…		…
950	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
951		1268
952	=cut	1269	=cut
953		1270
954	sub playerdir($) {	1271	sub playerdir($) {
955	cf::localdir	1272	"$PLAYERDIR/"
956	. "/"
957	. cf::playerdir
958	. "/"
959	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
960	}	1274	}
961		1275
962	sub path($) {	1276	sub path($) {
963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
964		1278
965	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
966	}	1280	}
967		1281
968	sub find_active($) {	1282	sub find_active($) {
969	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
970	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
983	my $login = $_[0];	1297	my $login = $_[0];
984		1298
985	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
986		1300
987	$cf::PLAYER{$_[0]} || do {	1301	$cf::PLAYER{$_[0]} || do {
		1302	# rename old playerfiles to new ones
		1303	#TODO: remove when no longer required
		1304	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1305	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1306	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1307	aio_unlink +(playerdir $login) . "/$login.pl";
		1308
988	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
989	or return;	1310	or return;
990	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
991	}	1312	}
992	}	1313	}
…		…
1004		1325
1005	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1006	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1007		1328
1008	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1009	Coro::cede;	1330	cf::cede_to_tick;
1010	}	1331	}
1011		1332
1012	sub new($) {	1333	sub new($) {
1013	my ($login) = @_;	1334	my ($login) = @_;
1014		1335
…		…
1018	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1019		1340
1020	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1021		1342
1022	$self	1343	$self
		1344	}
		1345
		1346	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1347
		1348	=cut
		1349
		1350	sub send_msg {
		1351	my $ns = shift->ns
		1352	or return;
		1353	$ns->send_msg (@_);
1023	}	1354	}
1024		1355
1025	=item $pl->quit_character	1356	=item $pl->quit_character
1026		1357
1027	Nukes the player without looking back. If logged in, the connection will	1358	Nukes the player without looking back. If logged in, the connection will
…		…
1076	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1077		1408
1078	=cut	1409	=cut
1079		1410
1080	sub list_logins {	1411	sub list_logins {
1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1082	or return [];	1413	or return [];
1083		1414
1084	my @logins;	1415	my @logins;
1085		1416
1086	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1121	}	1452	}
1122		1453
1123	\@paths	1454	\@paths
1124	}	1455	}
1125		1456
		1457	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1458
		1459	Expand crossfire pod fragments into protocol xml.
		1460
		1461	=cut
		1462
		1463	sub expand_cfpod {
		1464	((my $self), (local $_)) = @_;
		1465
		1466	# escape & and <
		1467	s/&/&amp;/g;
		1468	s/(?<![BIUGH])</&lt;/g;
		1469
		1470	# this is buggy, it needs to properly take care of nested <'s
		1471
		1472	1 while
		1473	# replace B<>, I<>, U<> etc.
		1474	s/B<([^\>]*)>/<b>$1<\/b>/
		1475	|| s/I<([^\>]*)>/<i>$1<\/i>/
		1476	|| s/U<([^\>]*)>/<u>$1<\/u>/
		1477	# replace G<male|female> tags
		1478	|| s{G<([^>|]*)\|([^>]*)>}{
		1479	$self->gender ? $2 : $1
		1480	}ge
		1481	# replace H<hint text>
		1482	|| s{H<([^\>]*)>}
		1483	{
		1484	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1485	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1486	"")
		1487	[$self->{hintmode}]
		1488	}ge;
		1489
		1490	# create single paragraphs (very hackish)
		1491	s/(?<=\S)\n(?=\w)/ /g;
		1492
		1493	# compress some whitespace
		1494	s/\s+\n/\n/g; # ws line-ends
		1495	s/\n\n+/\n/g; # double lines
		1496	s/^\n+//; # beginning lines
		1497	s/\n+$//; # ending lines
		1498
		1499	$_
		1500	}
		1501
		1502	sub hintmode {
		1503	$_[0]{hintmode} = $_[1] if @_ > 1;
		1504	$_[0]{hintmode}
		1505	}
		1506
1126	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1127		1508
1128	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1129		1510
1130	=cut	1511	=cut
1131		1512
1132	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1133	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1134		1515
1135	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1136
1137	$self->send ("ext " . cf::to_json \%msg);
1138	}	1517	}
1139		1518
1140	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	$match
		1558	}
1141		1559
1142	=back	1560	=back
1143
1144		1561
1145	=head3 cf::map	1562	=head3 cf::map
1146		1563
1147	=over 4	1564	=over 4
1148		1565
…		…
1203	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1204		1621
1205	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1206	local $self->{path};	1623	local $self->{path};
1207	local $self->{load_path};	1624	local $self->{load_path};
1208	local $self->{deny_save};
1209	local $self->{deny_reset};
1210		1625
1211	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1212	}	1627	}
1213		1628
1214	sub normalise {	1629	sub normalise {
…		…
1261	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1262	return $self;	1677	return $self;
1263	}	1678	}
1264	}	1679	}
1265		1680
1266	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1267	()	1682	()
1268	}	1683	}
1269		1684
1270	sub init {	1685	sub init {
1271	my ($self) = @_;	1686	my ($self) = @_;
…		…
1286		1701
1287	# the original (read-only) location	1702	# the original (read-only) location
1288	sub load_path {	1703	sub load_path {
1289	my ($self) = @_;	1704	my ($self) = @_;
1290		1705
1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1292	}	1707	}
1293		1708
1294	# the temporary/swap location	1709	# the temporary/swap location
1295	sub save_path {	1710	sub save_path {
1296	my ($self) = @_;	1711	my ($self) = @_;
1297		1712
1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1300	}	1715	}
1301		1716
1302	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1303	sub uniq_path {	1718	sub uniq_path {
1304	my ($self) = @_;	1719	my ($self) = @_;
1305		1720
1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1308	}	1723	}
1309		1724
1310	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1311	# all maps in C++...	1726	# all maps in C++...
1312	sub change_all_map_light {	1727	sub change_all_map_light {
1313	my ($change) = @_;	1728	my ($change) = @_;
1314		1729
1315	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1316	for grep $_->outdoor, values %cf::MAP;	1731	for grep $_->outdoor, values %cf::MAP;
		1732	}
		1733
		1734	sub decay_objects {
		1735	my ($self) = @_;
		1736
		1737	return if $self->{deny_reset};
		1738
		1739	$self->do_decay_objects;
1317	}	1740	}
1318		1741
1319	sub unlink_save {	1742	sub unlink_save {
1320	my ($self) = @_;	1743	my ($self) = @_;
1321		1744
…		…
1379	$self->load_header_orig	1802	$self->load_header_orig
1380	or return;	1803	or return;
1381	$self->prepare_orig;	1804	$self->prepare_orig;
1382	}	1805	}
1383		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
1384	1	1813	1
1385	}	1814	}
1386		1815
1387	sub find;	1816	sub find;
1388	sub find {	1817	sub find {
…		…
1400	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1401		1830
1402	$map->load_header	1831	$map->load_header
1403	or return;	1832	or return;
1404		1833
1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1406	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1407	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1408	$map->reset;	1837	$map->reset;
1409	undef $guard;	1838	undef $guard;
1410	return find $path;	1839	return find $path;
…		…
1421	my ($self) = @_;	1850	my ($self) = @_;
1422		1851
1423	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1424		1853
1425	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1426	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1427		1859
1428	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1429		1861
1430	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1431		1863
1432	$self->alloc;	1864	$self->alloc;
1433		1865
1434	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1435		1868
1436	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1437	or return;	1870	or return;
1438		1871
1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1440	if delete $self->{load_original};	1873	if delete $self->{load_original};
1441		1874
1442	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1443	utf8::encode $uniq;	1876	utf8::encode $uniq;
1444	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1445	$self->clear_unique_items;	1878	$self->clear_unique_items;
1446	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1447	}	1880	}
1448	}	1881	}
1449		1882
1450	Coro::cede;	1883	cf::cede_to_tick;
1451
1452	# now do the right thing for maps	1884	# now do the right thing for maps
1453	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1454
1455	unless ($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)	1886	$self->difficulty ($self->estimate_difficulty)
1462	unless $self->difficulty;	1887	unless $self->difficulty;
1463	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($self->{deny_activate}) {
		1891	$self->decay_objects;
		1892	$self->fix_auto_apply;
		1893	$self->update_buttons;
		1894	cf::cede_to_tick;
		1895	$self->set_darkness_map;
		1896	cf::cede_to_tick;
1464	$self->activate;	1897	$self->activate;
		1898	}
		1899
		1900	$self->{last_save} = $cf::RUNTIME;
		1901	$self->last_access ($cf::RUNTIME);
		1902
		1903	$self->in_memory (cf::MAP_IN_MEMORY);
1465	}	1904	}
1466		1905
1467	$self->post_load;	1906	$self->post_load;
1468
1469	$self->in_memory (cf::MAP_IN_MEMORY);
1470	}	1907	}
1471		1908
1472	sub customise_for {	1909	sub customise_for {
1473	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1474		1911
1475	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1476	if $self->per_player;	1913	if $self->per_player;
1477		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1478	$self	1918	$self
1479	}	1919	}
1480		1920
1481	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1482	sub load_diag {	1922	sub load_neighbours {
1483	my ($map) = @_;	1923	my ($map) = @_;
1484		1924
1485	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1486		1926
1487	for (0 .. 3) {	1927	for (0 .. 3) {
1488	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1489	or next;	1929	or next;
1490	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1491	or next;	1931	or next;
1492	$neigh->load;	1932	$neigh->load;
1493		1933
		1934	push @neigh,
1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1496	}	1937	}
1497		1938
1498	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1499	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1500	or next;	1942	or next;
1501	$neigh->load;	1943	$neigh->load;
1502	}	1944	}
1503	}	1945	}
1504		1946
…		…
1509	}	1951	}
1510		1952
1511	sub do_load_sync {	1953	sub do_load_sync {
1512	my ($map) = @_;	1954	my ($map) = @_;
1513		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1514	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1515	}	1960	}
1516		1961
1517	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1518	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1519		1964
1520	sub find_async {	1965	sub find_async {
1521	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1522		1967
1523	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1524		1969
1525	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1527	}	1972	}
1528		1973
1529	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1530	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1531	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1532	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1533	my $map = find $path	1979	if (my $map = find $k) {
1534	or next;
1535	$map->load;	1980	$map->load if $v;
		1981	}
1536		1982
1537	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1538	}	1984	}
1539	}	1985	}
1540	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1541	};	1987	};
1542	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1545	}	1991	}
1546		1992
1547	sub save {	1993	sub save {
1548	my ($self) = @_;	1994	my ($self) = @_;
1549		1995
1550	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1551		1997
1552	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1553		1999
1554	return unless $self->dirty;	2000	return unless $self->dirty;
1555		2001
…		…
1578	my ($self) = @_;	2024	my ($self) = @_;
1579		2025
1580	# save first because save cedes	2026	# save first because save cedes
1581	$self->save;	2027	$self->save;
1582		2028
1583	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1584		2030
1585	return if $self->players;	2031	return if $self->players;
1586	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1587	return if $self->{deny_save};	2033	return if $self->{deny_save};
1588		2034
…		…
1592		2038
1593	sub reset_at {	2039	sub reset_at {
1594	my ($self) = @_;	2040	my ($self) = @_;
1595		2041
1596	# TODO: safety, remove and allow resettable per-player maps	2042	# 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};	2043	return 1e99 if $self->{deny_reset};
1599		2044
1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1602		2047
…		…
1613	my ($self) = @_;	2058	my ($self) = @_;
1614		2059
1615	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1616		2061
1617	return if $self->players;	2062	return if $self->players;
1618	return if $self->isa ("ext::map_per_player");#d#
1619		2063
1620	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1621		2065
1622	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1623		2067
1624	# need to save uniques path	2068	# need to save uniques path
1625	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1642	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1643		2087
1644	sub nuke {	2088	sub nuke {
1645	my ($self) = @_;	2089	my ($self) = @_;
1646		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1647	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1648		2095
1649	$self->unlink_save;	2096	$self->unlink_save;
1650		2097
1651	bless $self, "cf::map";	2098	bless $self, "cf::map";
1652	delete $self->{deny_reset};	2099	delete $self->{deny_reset};
1653	$self->{deny_save} = 1;	2100	$self->{deny_save} = 1;
1654	$self->reset_timeout (1);	2101	$self->reset_timeout (1);
1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2102	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1656		2103
1657	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1658		2106
1659	$self->reset; # polite request, might not happen	2107	$self->reset; # polite request, might not happen
		2108	}
		2109
		2110	=item $maps = cf::map::tmp_maps
		2111
		2112	Returns an arrayref with all map paths of currently instantiated and saved
		2113	maps. May block.
		2114
		2115	=cut
		2116
		2117	sub tmp_maps() {
		2118	[
		2119	map {
		2120	utf8::decode $_;
		2121	/\.map$/
		2122	? normalise $_
		2123	: ()
		2124	} @{ aio_readdir $TMPDIR or [] }
		2125	]
		2126	}
		2127
		2128	=item $maps = cf::map::random_maps
		2129
		2130	Returns an arrayref with all map paths of currently instantiated and saved
		2131	random maps. May block.
		2132
		2133	=cut
		2134
		2135	sub random_maps() {
		2136	[
		2137	map {
		2138	utf8::decode $_;
		2139	/\.map$/
		2140	? normalise "?random/$_"
		2141	: ()
		2142	} @{ aio_readdir $RANDOMDIR or [] }
		2143	]
1660	}	2144	}
1661		2145
1662	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1663		2147
1664	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1665	instantiated unique items. May block.	2149	instantiated unique items. May block.
1666		2150
1667	=cut	2151	=cut
1668		2152
1669	sub unique_maps() {	2153	sub unique_maps() {
1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1671	or return;	2155	map {
1672
1673	my @paths;
1674
1675	for (@$files) {
1676	utf8::decode $_;	2156	utf8::decode $_;
1677	next if /\.pst$/;	2157	/\.map$/
1678	next unless /^$PATH_SEP/o;	2158	? normalise $_
1679		2159	: ()
1680	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1681	}	2161	]
1682
1683	\@paths
1684	}	2162	}
1685		2163
1686	package cf;	2164	package cf;
1687		2165
1688	=back	2166	=back
…		…
1734		2212
1735	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1736		2214
1737	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1738	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1739	} else {	2218	} else {
		2219	my $pl = $self->contr;
		2220
		2221	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2222	my $dialog = $pl->{npc_dialog};
		2223	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2224
		2225	} else {
1740	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1741	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1742	}	2229	}
		2230	}
		2231
		2232	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2233
		2234	=cut
		2235
		2236	sub cf::object::send_msg {
		2237	my $pl = shift->contr
		2238	or return;
		2239	$pl->send_msg (@_);
1743	}	2240	}
1744		2241
1745	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1746		2243
1747	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1794	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1795		2292
1796	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1797		2294
1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1799	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1800		2297
1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1802	}	2299	}
1803		2300
1804	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1805	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1806		2305
1807	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1808		2307
1809	unless ($map) {	2308	unless ($map) {
1810	# restore original map position	2309	# restore original map position
…		…
1824	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1825	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1826	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1827		2326
1828	$map->load;	2327	$map->load;
1829	$map->load_diag;	2328	$map->load_neighbours;
1830		2329
1831	return unless $self->contr->active;	2330	return unless $self->contr->active;
1832	$self->activate_recursive;	2331	$self->activate_recursive;
1833		2332
1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1835	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1836	}	2335	}
1837		2336
1838	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1839	on_logout => sub {
1840	my ($pl) = @_;
1841		2338
1842	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1843	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1844	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1845	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1846	};	2343	be called at the end of this process.
1847	}
1848	},
1849	on_login => sub {
1850	my ($pl) = @_;
1851		2344
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	2345	=cut
		2346
		2347	our $GOTOGEN;
1873		2348
1874	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1875	my ($self, $path, $x, $y) = @_;	2350	my ($self, $path, $x, $y, $check, $done) = @_;
		2351
		2352	# do generation counting so two concurrent goto's will be executed in-order
		2353	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1876		2354
1877	$self->enter_link;	2355	$self->enter_link;
1878		2356
1879	(async {	2357	(async {
1880	my $map = eval {	2358	my $map = eval {
1881	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1882	$map = $map->customise_for ($self) if $map;	2362	$map = $map->customise_for ($self);
		2363	$map = $check->($map) if $check && $map;
		2364	} else {
		2365	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2366	}
		2367
1883	$map	2368	$map
		2369	};
		2370
		2371	if ($@) {
		2372	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2373	LOG llevError | logBacktrace, Carp::longmess $@;
1884	} or	2374	}
1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1886		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1887	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1888	})->prio (1);	2382	})->prio (1);
1889	}	2383	}
1890		2384
1891	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1892		2386
…		…
1931		2425
1932	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1933		2427
1934	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1935	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1937		2431
1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1939	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1940	undef $fh;	2434	undef $fh;
1941	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1950		2444
1951	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1952		2446
1953	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1954	#TODO: this should de-fi-ni-te-ly not be a sync-job	2448	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2449	# the problem is that $exit might not survive long enough
		2450	# so it needs to be done right now, right here
1955	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1956	}	2452	}
1957		2453
1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2454	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1959	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1960	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1961		2457
1962	$self->enter_link;	2458	$self->enter_link;
		2459
		2460	# if exit is damned, update players death & WoR home-position
		2461	$self->contr->savebed ($slaying, $hp, $sp)
		2462	if $exit->flag (FLAG_DAMNED);
1963		2463
1964	(async {	2464	(async {
1965	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1966	unless (eval {	2466	unless (eval {
1967	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1968		2468
1969	1;	2469	1;
1970	}) {	2470	}) {
1971	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1972	. "I'll try to bring you back to the map you were before. "	2472	. "I'll try to bring you back to the map you were before. "
1973	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1974	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1975		2475
1976	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1977	$self->leave_link;	2477	$self->leave_link;
1978	}	2478	}
1979	})->prio (1);	2479	})->prio (1);
…		…
1992		2492
1993	sub cf::client::send_drawinfo {	2493	sub cf::client::send_drawinfo {
1994	my ($self, $text, $flags) = @_;	2494	my ($self, $text, $flags) = @_;
1995		2495
1996	utf8::encode $text;	2496	utf8::encode $text;
1997	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1998	}	2498	}
1999		2499
		2500	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2501
		2502	Send a drawinfo or msg packet to the client, formatting the msg for the
		2503	client if neccessary. C<$type> should be a string identifying the type of
		2504	the message, with C<log> being the default. If C<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	our %CHANNEL = (
		2510	"c/identify" => {
		2511	id => "identify",
		2512	title => "Identify",
		2513	reply => undef,
		2514	tooltip => "Items recently identified",
		2515	},
		2516	);
		2517
		2518	sub cf::client::send_msg {
		2519	my ($self, $channel, $msg, $color, @extra) = @_;
		2520
		2521	$msg = $self->pl->expand_cfpod ($msg);
		2522
		2523	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2524
		2525	# check predefined channels, for the benefit of C
		2526	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2527
		2528	if (ref $channel) {
		2529	# send meta info to client, if not yet sent
		2530	unless (exists $self->{channel}{$channel->{id}}) {
		2531	$self->{channel}{$channel->{id}} = $channel;
		2532	$self->ext_msg (channel_info => $channel);
		2533	}
		2534
		2535	$channel = $channel->{id};
		2536	}
		2537
		2538	return unless @extra || length $msg;
		2539
		2540	if ($self->can_msg) {
		2541	# default colour, mask it out
		2542	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2543	if $color & cf::NDI_DEF;
		2544
		2545	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2546	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2547	} else {
		2548	if ($color >= 0) {
		2549	# replace some tags by gcfclient-compatible ones
		2550	for ($msg) {
		2551	1 while
		2552	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2553	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2554	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2555	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2556	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2557	}
		2558
		2559	$color &= cf::NDI_COLOR_MASK;
		2560
		2561	utf8::encode $msg;
		2562
		2563	if (0 && $msg =~ /\[/) {
		2564	# COMMAND/INFO
		2565	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2566	} else {
		2567	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2568	$self->send_packet ("drawinfo $color $msg")
		2569	}
		2570	}
		2571	}
		2572	}
		2573
		2574	=item $client->ext_msg ($type, @msg)
		2575
		2576	Sends an ext event to the client.
		2577
		2578	=cut
		2579
		2580	sub cf::client::ext_msg($$@) {
		2581	my ($self, $type, @msg) = @_;
		2582
		2583	if ($self->extcmd == 2) {
		2584	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2585	} elsif ($self->extcmd == 1) { # TODO: remove
		2586	push @msg, msgtype => "event_$type";
		2587	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2588	}
		2589	}
		2590
		2591	=item $client->ext_reply ($msgid, @msg)
		2592
		2593	Sends an ext reply to the client.
		2594
		2595	=cut
		2596
		2597	sub cf::client::ext_reply($$@) {
		2598	my ($self, $id, @msg) = @_;
		2599
		2600	if ($self->extcmd == 2) {
		2601	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2602	} elsif ($self->extcmd == 1) {
		2603	#TODO: version 1, remove
		2604	unshift @msg, msgtype => "reply", msgid => $id;
		2605	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2606	}
		2607	}
2000		2608
2001	=item $success = $client->query ($flags, "text", \&cb)	2609	=item $success = $client->query ($flags, "text", \&cb)
2002		2610
2003	Queues a query to the client, calling the given callback with	2611	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>,	2612	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>.	2613	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2006		2614
2007	Queries can fail, so check the return code. Or don't, as queries will become	2615	Queries can fail, so check the return code. Or don't, as queries will
2008	reliable at some point in the future.	2616	become reliable at some point in the future.
2009		2617
2010	=cut	2618	=cut
2011		2619
2012	sub cf::client::query {	2620	sub cf::client::query {
2013	my ($self, $flags, $text, $cb) = @_;	2621	my ($self, $flags, $text, $cb) = @_;
…		…
2021	utf8::encode $text;	2629	utf8::encode $text;
2022	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2630	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2023		2631
2024	$self->send_packet ($self->{query_queue}[0][0])	2632	$self->send_packet ($self->{query_queue}[0][0])
2025	if @{ $self->{query_queue} } == 1;	2633	if @{ $self->{query_queue} } == 1;
		2634
		2635	1
2026	}	2636	}
2027		2637
2028	cf::client->attach (	2638	cf::client->attach (
		2639	on_connect => sub {
		2640	my ($ns) = @_;
		2641
		2642	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2643	},
2029	on_reply => sub {	2644	on_reply => sub {
2030	my ($ns, $msg) = @_;	2645	my ($ns, $msg) = @_;
2031		2646
2032	# this weird shuffling is so that direct followup queries	2647	# this weird shuffling is so that direct followup queries
2033	# get handled first	2648	# get handled first
…		…
2045	} else {	2660	} else {
2046	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2661	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2047	}	2662	}
2048	}	2663	}
2049	},	2664	},
		2665	on_exticmd => sub {
		2666	my ($ns, $buf) = @_;
		2667
		2668	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2669
		2670	if (ref $msg) {
		2671	my ($type, $reply, @payload) =
		2672	"ARRAY" eq ref $msg
		2673	? @$msg
		2674	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2675
		2676	my @reply;
		2677
		2678	if (my $cb = $EXTICMD{$type}) {
		2679	@reply = $cb->($ns, @payload);
		2680	}
		2681
		2682	$ns->ext_reply ($reply, @reply)
		2683	if $reply;
		2684
		2685	} else {
		2686	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2687	}
		2688
		2689	cf::override;
		2690	},
2050	);	2691	);
2051		2692
2052	=item $client->async (\&cb)	2693	=item $client->async (\&cb)
2053		2694
2054	Create a new coroutine, running the specified callback. The coroutine will	2695	Create a new coroutine, running the specified callback. The coroutine will
…		…
2095	our $safe = new Safe "safe";	2736	our $safe = new Safe "safe";
2096	our $safe_hole = new Safe::Hole;	2737	our $safe_hole = new Safe::Hole;
2097		2738
2098	$SIG{FPE} = 'IGNORE';	2739	$SIG{FPE} = 'IGNORE';
2099		2740
2100	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2741	$safe->permit_only (Opcode::opset qw(
		2742	:base_core :base_mem :base_orig :base_math
		2743	grepstart grepwhile mapstart mapwhile
		2744	sort time
		2745	));
2101		2746
2102	# here we export the classes and methods available to script code	2747	# here we export the classes and methods available to script code
2103		2748
2104	=pod	2749	=pod
2105		2750
2106	The following fucntions and emthods are available within a safe environment:	2751	The following functions and methods are available within a safe environment:
2107		2752
2108	cf::object contr pay_amount pay_player map	2753	cf::object
		2754	contr pay_amount pay_player map x y force_find force_add
		2755	insert remove name archname title slaying race decrease_ob_nr
		2756
2109	cf::object::player player	2757	cf::object::player
2110	cf::player peaceful	2758	player
2111	cf::map trigger	2759
		2760	cf::player
		2761	peaceful
		2762
		2763	cf::map
		2764	trigger
2112		2765
2113	=cut	2766	=cut
2114		2767
2115	for (	2768	for (
2116	["cf::object" => qw(contr pay_amount pay_player map)],	2769	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2770	insert remove inv name archname title slaying race
		2771	decrease_ob_nr)],
2117	["cf::object::player" => qw(player)],	2772	["cf::object::player" => qw(player)],
2118	["cf::player" => qw(peaceful)],	2773	["cf::player" => qw(peaceful)],
2119	["cf::map" => qw(trigger)],	2774	["cf::map" => qw(trigger)],
2120	) {	2775	) {
2121	no strict 'refs';	2776	no strict 'refs';
…		…
2192	=back	2847	=back
2193		2848
2194	=cut	2849	=cut
2195		2850
2196	#############################################################################	2851	#############################################################################
2197
2198	=head2 EXTENSION DATABASE SUPPORT
2199
2200	Crossfire maintains a very simple database for extension use. It can
2201	currently store anything that can be serialised using Storable, which
2202	excludes objects.
2203
2204	The parameter C<$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 $_[2], 0, sub { };
2266	}
2267
2268	#############################################################################
2269	# the server's init and main functions	2852	# the server's init and main functions
2270		2853
2271	sub init_resources {	2854	sub load_facedata($) {
2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	2855	my ($path) = @_;
		2856
		2857	# HACK to clear player env face cache, we need some signal framework
		2858	# for this (global event?)
		2859	%ext::player_env::MUSIC_FACE_CACHE = ();
		2860
		2861	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2862
		2863	warn "loading facedata from $path\n";
		2864
		2865	my $facedata;
		2866	0 < aio_load $path, $facedata
		2867	or die "$path: $!";
		2868
		2869	$facedata = Coro::Storable::thaw $facedata;
		2870
		2871	$facedata->{version} == 2
		2872	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2873
		2874	# patch in the exptable
		2875	$facedata->{resource}{"res/exp_table"} = {
		2876	type => FT_RSRC,
		2877	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2878	};
		2879	cf::cede_to_tick;
		2880
		2881	{
		2882	my $faces = $facedata->{faceinfo};
		2883
		2884	while (my ($face, $info) = each %$faces) {
		2885	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		2886	cf::face::set_visibility $idx, $info->{visibility};
		2887	cf::face::set_magicmap $idx, $info->{magicmap};
		2888	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		2889	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2890
		2891	cf::cede_to_tick;
		2892	}
		2893
		2894	while (my ($face, $info) = each %$faces) {
		2895	next unless $info->{smooth};
		2896	my $idx = cf::face::find $face
		2897	or next;
		2898	if (my $smooth = cf::face::find $info->{smooth}) {
		2899	cf::face::set_smooth $idx, $smooth;
		2900	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2901	} else {
		2902	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2903	}
		2904
		2905	cf::cede_to_tick;
		2906	}
		2907	}
		2908
		2909	{
		2910	my $anims = $facedata->{animinfo};
		2911
		2912	while (my ($anim, $info) = each %$anims) {
		2913	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2914	cf::cede_to_tick;
		2915	}
		2916
		2917	cf::anim::invalidate_all; # d'oh
		2918	}
		2919
		2920	{
		2921	# TODO: for gcfclient pleasure, we should give resources
		2922	# that gcfclient doesn't grok a >10000 face index.
		2923	my $res = $facedata->{resource};
		2924
		2925	my $soundconf = delete $res->{"res/sound.conf"};
		2926
		2927	while (my ($name, $info) = each %$res) {
		2928	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2929	my $data;
		2930
		2931	if ($info->{type} & 1) {
		2932	# prepend meta info
		2933
		2934	my $meta = $enc->encode ({
		2935	name => $name,
		2936	%{ $info->{meta} || {} },
		2937	});
		2938
		2939	$data = pack "(w/a*)*", $meta, $info->{data};
		2940	} else {
		2941	$data = $info->{data};
		2942	}
		2943
		2944	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2945	cf::face::set_type $idx, $info->{type};
		2946
		2947	cf::cede_to_tick;
		2948	}
		2949
		2950	if ($soundconf) {
		2951	$soundconf = $enc->decode (delete $soundconf->{data});
		2952
		2953	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2954	my $sound = $soundconf->{compat}[$_]
		2955	or next;
		2956
		2957	my $face = cf::face::find "sound/$sound->[1]";
		2958	cf::sound::set $sound->[0] => $face;
		2959	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2960	}
		2961
		2962	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2963	my $face = cf::face::find "sound/$v";
		2964	cf::sound::set $k => $face;
		2965	}
		2966	}
		2967	}
		2968
		2969	1
		2970	}
		2971
		2972	register_exticmd fx_want => sub {
		2973	my ($ns, $want) = @_;
		2974
		2975	while (my ($k, $v) = each %$want) {
		2976	$ns->fx_want ($k, $v);
		2977	}
		2978	};
		2979
		2980	sub reload_regions {
		2981	# HACK to clear player env face cache, we need some signal framework
		2982	# for this (global event?)
		2983	%ext::player_env::MUSIC_FACE_CACHE = ();
		2984
		2985	load_resource_file "$MAPDIR/regions"
2273	or die "unable to load regions file\n";#d#	2986	or die "unable to load regions file\n";
2274	}
2275		2987
2276	sub cfg_load {	2988	for (cf::region::list) {
		2989	$_->{match} = qr/$_->{match}/
		2990	if exists $_->{match};
		2991	}
		2992	}
		2993
		2994	sub reload_facedata {
		2995	load_facedata "$DATADIR/facedata"
		2996	or die "unable to load facedata\n";
		2997	}
		2998
		2999	sub reload_archetypes {
		3000	load_resource_file "$DATADIR/archetypes"
		3001	or die "unable to load archetypes\n";
		3002	#d# NEED to laod twice to resolve forward references
		3003	# this really needs to be done in an extra post-pass
		3004	# (which needs to be synchronous, so solve it differently)
		3005	load_resource_file "$DATADIR/archetypes"
		3006	or die "unable to load archetypes\n";
		3007	}
		3008
		3009	sub reload_treasures {
		3010	load_resource_file "$DATADIR/treasures"
		3011	or die "unable to load treasurelists\n";
		3012	}
		3013
		3014	sub reload_resources {
		3015	warn "reloading resource files...\n";
		3016
		3017	reload_regions;
		3018	reload_facedata;
		3019	#reload_archetypes;#d#
		3020	reload_archetypes;
		3021	reload_treasures;
		3022
		3023	warn "finished reloading resource files\n";
		3024	}
		3025
		3026	sub init {
		3027	reload_resources;
		3028	}
		3029
		3030	sub reload_config {
2277	open my $fh, "<:utf8", cf::confdir . "/config"	3031	open my $fh, "<:utf8", "$CONFDIR/config"
2278	or return;	3032	or return;
2279		3033
2280	local $/;	3034	local $/;
2281	*CFG = YAML::Syck::Load <$fh>;	3035	*CFG = YAML::Syck::Load <$fh>;
2282		3036
…		…
2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3044	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2291	and die "WARNING: m(un)lockall failed: $!\n";	3045	and die "WARNING: m(un)lockall failed: $!\n";
2292	};	3046	};
2293	warn $@ if $@;	3047	warn $@ if $@;
2294	}	3048	}
2295	}
2296
2297	sub init {
2298	init_resources;
2299	}	3049	}
2300		3050
2301	sub main {	3051	sub main {
2302	# we must not ever block the main coroutine	3052	# we must not ever block the main coroutine
2303	local $Coro::idle = sub {	3053	local $Coro::idle = sub {
…		…
2305	(async {	3055	(async {
2306	Event::one_event;	3056	Event::one_event;
2307	})->prio (Coro::PRIO_MAX);	3057	})->prio (Coro::PRIO_MAX);
2308	};	3058	};
2309		3059
2310	cfg_load;	3060	reload_config;
2311	db_init;	3061	db_init;
2312	load_extensions;	3062	load_extensions;
2313		3063
2314	$TICK_WATCHER->start;	3064	$TICK_WATCHER->start;
2315	Event::loop;	3065	Event::loop;
…		…
2331	},	3081	},
2332	);	3082	);
2333	}	3083	}
2334	}	3084	}
2335		3085
		3086	sub write_runtime {
		3087	my $runtime = "$LOCALDIR/runtime";
		3088
		3089	# first touch the runtime file to show we are still running:
		3090	# the fsync below can take a very very long time.
		3091
		3092	IO::AIO::aio_utime $runtime, undef, undef;
		3093
		3094	my $guard = cf::lock_acquire "write_runtime";
		3095
		3096	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3097	or return;
		3098
		3099	my $value = $cf::RUNTIME + 90 + 10;
		3100	# 10 is the runtime save interval, for a monotonic clock
		3101	# 60 allows for the watchdog to kill the server.
		3102
		3103	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3104	and return;
		3105
		3106	# always fsync - this file is important
		3107	aio_fsync $fh
		3108	and return;
		3109
		3110	# touch it again to show we are up-to-date
		3111	aio_utime $fh, undef, undef;
		3112
		3113	close $fh
		3114	or return;
		3115
		3116	aio_rename "$runtime~", $runtime
		3117	and return;
		3118
		3119	warn "runtime file written.\n";
		3120
		3121	1
		3122	}
		3123
2336	sub emergency_save() {	3124	sub emergency_save() {
2337	my $freeze_guard = cf::freeze_mainloop;	3125	my $freeze_guard = cf::freeze_mainloop;
2338		3126
2339	warn "enter emergency perl save\n";	3127	warn "enter emergency perl save\n";
2340		3128
…		…
2371		3159
2372	warn Carp::longmess "post_cleanup backtrace"	3160	warn Carp::longmess "post_cleanup backtrace"
2373	if $make_core;	3161	if $make_core;
2374	}	3162	}
2375		3163
2376	sub reload() {	3164	sub do_reload_perl() {
2377	# can/must only be called in main	3165	# can/must only be called in main
2378	if ($Coro::current != $Coro::main) {	3166	if ($Coro::current != $Coro::main) {
2379	warn "can only reload from main coroutine";	3167	warn "can only reload from main coroutine";
2380	return;	3168	return;
2381	}	3169	}
…		…
2406	Coro::cede;	3194	Coro::cede;
2407	last unless IO::AIO::nreqs || BDB::nreqs;	3195	last unless IO::AIO::nreqs || BDB::nreqs;
2408	warn "iterate...";	3196	warn "iterate...";
2409	}	3197	}
2410		3198
		3199	++$RELOAD;
		3200
2411	warn "cancelling all extension coros";	3201	warn "cancelling all extension coros";
2412	$_->cancel for values %EXT_CORO;	3202	$_->cancel for values %EXT_CORO;
2413	%EXT_CORO = ();	3203	%EXT_CORO = ();
2414		3204
2415	warn "removing commands";	3205	warn "removing commands";
2416	%COMMAND = ();	3206	%COMMAND = ();
2417		3207
2418	warn "removing ext commands";	3208	warn "removing ext/exti commands";
2419	%EXTCMD = ();	3209	%EXTCMD = ();
		3210	%EXTICMD = ();
2420		3211
2421	warn "unloading/nuking all extensions";	3212	warn "unloading/nuking all extensions";
2422	for my $pkg (@EXTS) {	3213	for my $pkg (@EXTS) {
2423	warn "... unloading $pkg";	3214	warn "... unloading $pkg";
2424		3215
…		…
2454	Symbol::delete_package "safe::$_"	3245	Symbol::delete_package "safe::$_"
2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3246	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2456		3247
2457	warn "unloading cf.pm \"a bit\"";	3248	warn "unloading cf.pm \"a bit\"";
2458	delete $INC{"cf.pm"};	3249	delete $INC{"cf.pm"};
		3250	delete $INC{"cf/pod.pm"};
2459		3251
2460	# don't, removes xs symbols, too,	3252	# don't, removes xs symbols, too,
2461	# and global variables created in xs	3253	# and global variables created in xs
2462	#Symbol::delete_package __PACKAGE__;	3254	#Symbol::delete_package __PACKAGE__;
2463		3255
…		…
2466	warn "reloading cf.pm";	3258	warn "reloading cf.pm";
2467	require cf;	3259	require cf;
2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3260	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2469		3261
2470	warn "loading config and database again";	3262	warn "loading config and database again";
2471	cf::cfg_load;	3263	cf::reload_config;
2472		3264
2473	warn "loading extensions";	3265	warn "loading extensions";
2474	cf::load_extensions;	3266	cf::load_extensions;
2475		3267
2476	warn "reattaching attachments to objects/players";	3268	warn "reattaching attachments to objects/players";
2477	_global_reattach;	3269	_global_reattach; # objects, sockets
2478	warn "reattaching attachments to maps";	3270	warn "reattaching attachments to maps";
2479	reattach $_ for values %MAP;	3271	reattach $_ for values %MAP;
2480		3272	warn "reattaching attachments to players";
2481	warn "loading reloadable resources";	3273	reattach $_ for values %PLAYER;
2482	init_resources;
2483		3274
2484	warn "leaving sync_job";	3275	warn "leaving sync_job";
2485		3276
2486	1	3277	1
2487	} or do {	3278	} or do {
…		…
2493	warn "reloaded";	3284	warn "reloaded";
2494	};	3285	};
2495		3286
2496	our $RELOAD_WATCHER; # used only during reload	3287	our $RELOAD_WATCHER; # used only during reload
2497		3288
		3289	sub reload_perl() {
		3290	# doing reload synchronously and two reloads happen back-to-back,
		3291	# coro crashes during coro_state_free->destroy here.
		3292
		3293	$RELOAD_WATCHER ||= Event->timer (
		3294	reentrant => 0,
		3295	after => 0,
		3296	data => WF_AUTOCANCEL,
		3297	cb => sub {
		3298	do_reload_perl;
		3299	undef $RELOAD_WATCHER;
		3300	},
		3301	);
		3302	}
		3303
2498	register_command "reload" => sub {	3304	register_command "reload" => sub {
2499	my ($who, $arg) = @_;	3305	my ($who, $arg) = @_;
2500		3306
2501	if ($who->flag (FLAG_WIZ)) {	3307	if ($who->flag (FLAG_WIZ)) {
2502	$who->message ("reloading server.");	3308	$who->message ("reloading server.");
2503		3309	async { reload_perl };
2504	# doing reload synchronously and two reloads happen back-to-back,
2505	# coro crashes during coro_state_free->destroy here.
2506
2507	$RELOAD_WATCHER ||= Event->timer (
2508	reentrant => 0,
2509	after => 0,
2510	data => WF_AUTOCANCEL,
2511	cb => sub {
2512	reload;
2513	undef $RELOAD_WATCHER;
2514	},
2515	);
2516	}	3310	}
2517	};	3311	};
2518		3312
2519	unshift @INC, $LIBDIR;	3313	unshift @INC, $LIBDIR;
2520		3314
2521	my $bug_warning = 0;	3315	my $bug_warning = 0;
2522		3316
		3317	our @WAIT_FOR_TICK;
		3318	our @WAIT_FOR_TICK_BEGIN;
		3319
		3320	sub wait_for_tick {
		3321	return unless $TICK_WATCHER->is_active;
		3322	return if $Coro::current == $Coro::main;
		3323
		3324	my $signal = new Coro::Signal;
		3325	push @WAIT_FOR_TICK, $signal;
		3326	$signal->wait;
		3327	}
		3328
		3329	sub wait_for_tick_begin {
		3330	return unless $TICK_WATCHER->is_active;
		3331	return if $Coro::current == $Coro::main;
		3332
		3333	my $signal = new Coro::Signal;
		3334	push @WAIT_FOR_TICK_BEGIN, $signal;
		3335	$signal->wait;
		3336	}
		3337
		3338	my $min = 1e6;#d#
		3339	my $avg = 10;
2523	$TICK_WATCHER = Event->timer (	3340	$TICK_WATCHER = Event->timer (
2524	reentrant => 0,	3341	reentrant => 0,
2525	parked => 1,	3342	parked => 1,
2526	prio => 0,	3343	prio => 0,
2527	at => $NEXT_TICK || $TICK,	3344	at => $NEXT_TICK || $TICK,
…		…
2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3348	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2532	unless ++$bug_warning > 10;	3349	unless ++$bug_warning > 10;
2533	return;	3350	return;
2534	}	3351	}
2535		3352
2536	$NOW = Event::time;	3353	$NOW = $tick_start = Event::time;
2537		3354
2538	cf::server_tick; # one server iteration	3355	cf::server_tick; # one server iteration
		3356
		3357	0 && sync_job {#d#
		3358	for(1..10) {
		3359	my $t = Event::time;
		3360	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3361	or die;
		3362
		3363	$map->width (50);
		3364	$map->height (50);
		3365	$map->alloc;
		3366	$map->_load_objects ("/tmp/x.map", 1);
		3367	my $t = Event::time - $t;
		3368
		3369	#next unless $t < 0.0013;#d#
		3370	if ($t < $min) {
		3371	$min = $t;
		3372	}
		3373	$avg = $avg * 0.99 + $t * 0.01;
		3374	}
		3375	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3376	exit 0;
		3377	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3378	};
		3379
2539	$RUNTIME += $TICK;	3380	$RUNTIME += $TICK;
2540	$NEXT_TICK += $TICK;	3381	$NEXT_TICK += $TICK;
2541		3382
2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3383	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2543	$NEXT_RUNTIME_WRITE = $NOW + 10;	3384	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2545	write_runtime	3386	write_runtime
2546	or warn "ERROR: unable to write runtime file: $!";	3387	or warn "ERROR: unable to write runtime file: $!";
2547	};	3388	};
2548	}	3389	}
2549		3390
2550	$WAIT_FOR_TICK->broadcast;
2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2552
2553	# my $AFTER = Event::time;	3391	# my $AFTER = Event::time;
2554	# warn $AFTER - $NOW;#d#	3392	# warn $AFTER - $NOW;#d#
2555		3393
		3394	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3395	$sig->send;
		3396	}
		3397	while (my $sig = shift @WAIT_FOR_TICK) {
		3398	$sig->send;
		3399	}
		3400
		3401	$NOW = Event::time;
		3402
2556	# if we are delayed by four ticks or more, skip them all	3403	# if we are delayed by four ticks or more, skip them all
2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3404	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2558		3405
2559	$TICK_WATCHER->at ($NEXT_TICK);	3406	$TICK_WATCHER->at ($NEXT_TICK);
2560	$TICK_WATCHER->start;	3407	$TICK_WATCHER->start;
		3408
		3409	$LOAD = ($NOW - $tick_start) / $TICK;
		3410	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3411
		3412	_post_tick;
		3413
		3414
2561	},	3415	},
2562	);	3416	);
2563		3417
2564	{	3418	{
2565	BDB::max_poll_time $TICK * 0.1;	3419	BDB::max_poll_time $TICK * 0.1;
…		…
2593		3447
2594	cf::sync_job {	3448	cf::sync_job {
2595	eval {	3449	eval {
2596	BDB::db_env_open	3450	BDB::db_env_open
2597	$DB_ENV,	3451	$DB_ENV,
2598	$BDB_ENV_DIR,	3452	$BDBDIR,
2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3453	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3454	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2601	0666;	3455	0666;
2602		3456
2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3457	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2604		3458
2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3459	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2606	$DB_ENV->set_lk_detect;	3460	$DB_ENV->set_lk_detect;
2607	};	3461	};
2608		3462
…		…
2624	prio => 6,	3478	prio => 6,
2625	cb => \&IO::AIO::poll_cb,	3479	cb => \&IO::AIO::poll_cb,
2626	);	3480	);
2627	}	3481	}
2628		3482
		3483	my $_log_backtrace;
		3484
		3485	sub _log_backtrace {
		3486	my ($msg, @addr) = @_;
		3487
		3488	$msg =~ s/\n//;
		3489
		3490	# limit the # of concurrent backtraces
		3491	if ($_log_backtrace < 2) {
		3492	++$_log_backtrace;
		3493	async {
		3494	my @bt = fork_call {
		3495	@addr = map { sprintf "%x", $_ } @addr;
		3496	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3497	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3498	or die "addr2line: $!";
		3499
		3500	my @funcs;
		3501	my @res = <$fh>;
		3502	chomp for @res;
		3503	while (@res) {
		3504	my ($func, $line) = splice @res, 0, 2, ();
		3505	push @funcs, "[$func] $line";
		3506	}
		3507
		3508	@funcs
		3509	};
		3510
		3511	LOG llevInfo, "[ABT] $msg\n";
		3512	LOG llevInfo, "[ABT] $_\n" for @bt;
		3513	--$_log_backtrace;
		3514	};
		3515	} else {
		3516	LOG llevInfo, "[ABT] $msg\n";
		3517	LOG llevInfo, "[ABT] [suppressed]\n";
		3518	}
		3519	}
		3520
		3521	# load additional modules
		3522	use cf::pod;
		3523
2629	END { cf::emergency_save }	3524	END { cf::emergency_save }
2630		3525
2631	1	3526	1
2632		3527

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