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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC vs.
Revision 1.349 by root, Fri Aug 31 04:10:43 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;
9	use Event;	10	use Event;
10	use Opcode;	11	use Opcode;
11	use Safe;	12	use Safe;
12	use Safe::Hole;	13	use Safe::Hole;
13		14
14	use Coro 3.52 ();	15	use Coro 3.64 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::Event;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::Storable;
		24	use Coro::Util ();
21		25
		26	use JSON::XS ();
22	use BDB ();	27	use BDB ();
23	use Data::Dumper;	28	use Data::Dumper;
24	use Digest::MD5;	29	use Digest::MD5;
25	use Fcntl;	30	use Fcntl;
		31	use YAML::Syck ();
26	use IO::AIO 2.32 ();	32	use IO::AIO 2.32 ();
27	use YAML::Syck ();
28	use Time::HiRes;	33	use Time::HiRes;
29	use Compress::LZF;	34	use Compress::LZF;
		35	use Digest::MD5 ();
30		36
		37	# configure various modules to our taste
		38	#
		39	$Storable::canonical = 1; # reduce rsync transfers
31	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
32	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
		42
33	$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
34
35	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
36		44
37	# 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?
38	$YAML::Syck::ImplicitUnicode = 1;	46	$YAML::Syck::ImplicitUnicode = 1;
39		47
40	$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
41		49
		50	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		51
42	our %COMMAND = ();	52	our %COMMAND = ();
43	our %COMMAND_TIME = ();	53	our %COMMAND_TIME = ();
44		54
45	our @EXTS = (); # list of extension package names	55	our @EXTS = (); # list of extension package names
46	our %EXTCMD = ();	56	our %EXTCMD = ();
		57	our %EXTICMD = ();
47	our %EXT_CORO = (); # coroutines bound to extensions	58	our %EXT_CORO = (); # coroutines bound to extensions
48	our %EXT_MAP = (); # pluggable maps	59	our %EXT_MAP = (); # pluggable maps
49		60
50	our $RELOAD; # number of reloads so far	61	our $RELOAD; # number of reloads so far
51	our @EVENT;	62	our @EVENT;
52	our $LIBDIR = datadir . "/ext";
53		63
54	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(!)
55	our $TICK_WATCHER;	77	our $TICK_WATCHER;
56	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
57	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
58	our $NEXT_TICK;	80	our $NEXT_TICK;
59	our $NOW;	81	our $NOW;
…		…
68	our $RUNTIME;	90	our $RUNTIME;
69		91
70	our %PLAYER; # all users	92	our %PLAYER; # all users
71	our %MAP; # all maps	93	our %MAP; # all maps
72	our $LINK_MAP; # the special {link} map, which is always available	94	our $LINK_MAP; # the special {link} map, which is always available
73	our $RANDOM_MAPS = cf::localdir . "/random";
74	our $BDB_ENV_DIR = cf::localdir . "/db";
75
76	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
77	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
78		95
79	# 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 ∕
80	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	97	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
81		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 $tick_start; # for load detecting purposes
		102
82	binmode STDOUT;	103	binmode STDOUT;
83	binmode STDERR;	104	binmode STDERR;
84		105
85	# read virtual server time, if available	106	# read virtual server time, if available
86	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	107	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
87	open my $fh, "<", cf::localdir . "/runtime"	108	open my $fh, "<", "$LOCALDIR/runtime"
88	or die "unable to read runtime file: $!";	109	or die "unable to read runtime file: $!";
89	$RUNTIME = <$fh> + 0.;	110	$RUNTIME = <$fh> + 0.;
90	}	111	}
91		112
92	mkdir cf::localdir;	113	mkdir $_
93	mkdir cf::localdir . "/" . cf::playerdir;	114	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
94	mkdir cf::localdir . "/" . cf::tmpdir;
95	mkdir cf::localdir . "/" . cf::uniquedir;
96	mkdir $RANDOM_MAPS;
97	mkdir $BDB_ENV_DIR;
98		115
99	our $EMERGENCY_POSITION;	116	our $EMERGENCY_POSITION;
100		117
101	sub cf::map::normalise;	118	sub cf::map::normalise;
102		119
…		…
113	=item $cf::RUNTIME	130	=item $cf::RUNTIME
114		131
115	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
116	every server tick.	133	every server tick.
117		134
118	=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
119		138
120	The perl library directory, where extensions and cf-specific modules can	139	Various directories - "/etc", read-only install directory, perl-library
121	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.
122		143
123	=item $cf::NOW	144	=item $cf::NOW
124		145
125	The time of the last (current) server tick.	146	The time of the last (current) server tick.
126		147
127	=item $cf::TICK	148	=item $cf::TICK
128		149
129	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.
130		161
131	=item %cf::CFG	162	=item %cf::CFG
132		163
133	Configuration for the server, loaded from C</etc/crossfire/config>, or	164	Configuration for the server, loaded from C</etc/crossfire/config>, or
134	from wherever your confdir points to.	165	from wherever your confdir points to.
135		166
136	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	167	=item cf::wait_for_tick, cf::wait_for_tick_begin
137		168
138	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
139	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
140	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.
141	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.
142		178
143	=back	179	=back
144		180
145	=cut	181	=cut
146		182
147	BEGIN {	183	BEGIN {
148	*CORE::GLOBAL::warn = sub {	184	*CORE::GLOBAL::warn = sub {
149	my $msg = join "", @_;	185	my $msg = join "", @_;
150	utf8::encode $msg;
151		186
152	$msg .= "\n"	187	$msg .= "\n"
153	unless $msg =~ /\n$/;	188	unless $msg =~ /\n$/;
154		189
		190	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		191
		192	utf8::encode $msg;
155	LOG llevError, $msg;	193	LOG llevError, $msg;
156	};	194	};
157	}	195	}
158		196
159	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
160	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
161	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
162	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
163	@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';
164	@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)
165		204
166	# 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
167	# within the Safe compartment.	206	# within the Safe compartment.
168	for my $pkg (qw(	207	for my $pkg (qw(
169	cf::global cf::attachable	208	cf::global cf::attachable
…		…
177	}	216	}
178		217
179	$Event::DIED = sub {	218	$Event::DIED = sub {
180	warn "error in event callback: @_";	219	warn "error in event callback: @_";
181	};	220	};
		221
		222	#############################################################################
182		223
183	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
184		225
185	=over 4	226	=over 4
186		227
…		…
205	$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;
206	$d	247	$d
207	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
208	}	249	}
209		250
210	use JSON::Syck (); # TODO# replace by JSON::PC once working
211
212	=item $ref = cf::from_json $json	251	=item $ref = cf::from_json $json
213		252
214	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
215		254
216	=cut
217
218	sub from_json($) {
219	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
220	JSON::Syck::Load $_[0]
221	}
222
223	=item $json = cf::to_json $ref	255	=item $json = cf::to_json $ref
224		256
225	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
226		258
227	=cut	259	=cut
228		260
229	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
230	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
231	JSON::Syck::Dump $_[0]	263	sub to_json ($) { $json_coder->encode ($_[0]) }
232	}	264	sub from_json ($) { $json_coder->decode ($_[0]) }
233		265
234	=item cf::lock_wait $string	266	=item cf::lock_wait $string
235		267
236	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
237		269
…		…
240	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
241	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,
242	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
243	returned.	275	returned.
244		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
245	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
246	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.
247		286
248	=cut	287	=cut
249		288
250	our %LOCK;	289	our %LOCK;
251		290
…		…
269		308
270	Coro::guard {	309	Coro::guard {
271	# wake up all waiters, to be on the safe side	310	# wake up all waiters, to be on the safe side
272	$_->ready for @{ delete $LOCK{$key} };	311	$_->ready for @{ delete $LOCK{$key} };
273	}	312	}
		313	}
		314
		315	sub lock_active($) {
		316	my ($key) = @_;
		317
		318	! ! $LOCK{$key}
274	}	319	}
275		320
276	sub freeze_mainloop {	321	sub freeze_mainloop {
277	return unless $TICK_WATCHER->is_active;	322	return unless $TICK_WATCHER->is_active;
278		323
…		…
281	};	326	};
282	$TICK_WATCHER->stop;	327	$TICK_WATCHER->stop;
283	$guard	328	$guard
284	}	329	}
285		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
286	=item cf::async { BLOCK }	387	=item cf::async { BLOCK }
287		388
288	Currently the same as Coro::async_pool, meaning you cannot use	389	Currently the same as Coro::async_pool, meaning you cannot use
289	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
290	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.
…		…
293		394
294	BEGIN { *async = \&Coro::async_pool }	395	BEGIN { *async = \&Coro::async_pool }
295		396
296	=item cf::sync_job { BLOCK }	397	=item cf::sync_job { BLOCK }
297		398
298	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)
299	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
300	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.
301		403
302	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
303	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
304	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
305	fast or be very important.	407	fast or be very important.
…		…
308		410
309	sub sync_job(&) {	411	sub sync_job(&) {
310	my ($job) = @_;	412	my ($job) = @_;
311		413
312	if ($Coro::current == $Coro::main) {	414	if ($Coro::current == $Coro::main) {
		415	my $time = Event::time;
		416
313	# this is the main coro, too bad, we have to block	417	# this is the main coro, too bad, we have to block
314	# till the operation succeeds, freezing the server :/	418	# till the operation succeeds, freezing the server :/
315		419
316	# TODO: use suspend/resume instead	420	# TODO: use suspend/resume instead
317	# (but this is cancel-safe)	421	# (but this is cancel-safe)
…		…
328		432
329	while ($busy) {	433	while ($busy) {
330	Coro::cede or Event::one_event;	434	Coro::cede or Event::one_event;
331	}	435	}
332		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
333	wantarray ? @res : $res[0]	444	wantarray ? @res : $res[0]
334	} else {	445	} else {
335	# we are in another coroutine, how wonderful, everything just works	446	# we are in another coroutine, how wonderful, everything just works
336		447
337	$job->()	448	$job->()
…		…
356	$EXT_CORO{$coro+0} = $coro;	467	$EXT_CORO{$coro+0} = $coro;
357		468
358	$coro	469	$coro
359	}	470	}
360		471
361	sub write_runtime {	472	=item fork_call { }, $args
362	my $guard = cf::lock_acquire "write_runtime";
363		473
364	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.
365		478
366	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	479	=cut
367	or return;
368		480
369	my $value = $cf::RUNTIME + 90 + 10;	481	sub fork_call(&@) {
370	# 10 is the runtime save interval, for a monotonic clock	482	my ($cb, @args) = @_;
371	# 60 allows for the watchdog to kill the server.
372		483
373	(aio_write $fh, 0, (length $value), $value, 0) <= 0	484	# we seemingly have to make a local copy of the whole thing,
374	and return;	485	# otherwise perl prematurely frees the stuff :/
		486	# TODO: investigate and fix (liekly this will be rather laborious)
375		487
376	# always fsync - this file is important	488	my @res = Coro::Util::fork_eval {
377	aio_fsync $fh	489	reset_signals;
378	and return;	490	&$cb
		491	}, @args;
379		492
380	close $fh	493	wantarray ? @res : $res[-1]
381	or return;	494	}
382		495
383	aio_rename "$runtime~", $runtime	496	=item $value = cf::db_get $family => $key
384	and return;
385		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	};
386	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 });
387	}	621	}
388		622
389	=back	623	=back
390		624
391	=cut	625	=cut
…		…
398	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")
399	to it. All such attachable objects support the following methods.	633	to it. All such attachable objects support the following methods.
400		634
401	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>
402	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
403	crossfire+).	637	Crossfire TRT).
404		638
405	=over 4	639	=over 4
406		640
407	=item $attachable->attach ($attachment, key => $value...)	641	=item $attachable->attach ($attachment, key => $value...)
408		642
…		…
571	$registry = $CB_TYPE[$object_type] ||= [];	805	$registry = $CB_TYPE[$object_type] ||= [];
572		806
573	} elsif ($type eq "subtype") {	807	} elsif ($type eq "subtype") {
574	defined $object_type or Carp::croak "subtype specified without type";	808	defined $object_type or Carp::croak "subtype specified without type";
575	my $object_subtype = shift @arg;	809	my $object_subtype = shift @arg;
576	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	810	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
577		811
578	} elsif ($type eq "package") {	812	} elsif ($type eq "package") {
579	my $pkg = shift @arg;	813	my $pkg = shift @arg;
580		814
581	while (my ($name, $id) = each %cb_id) {	815	while (my ($name, $id) = each %cb_id) {
…		…
610	_attach $registry, $klass, @attach;	844	_attach $registry, $klass, @attach;
611	}	845	}
612		846
613	$obj->{$name} = \%arg;	847	$obj->{$name} = \%arg;
614	} else {	848	} else {
615	warn "object uses attachment '$name' that is not available, postponing.\n";	849	warn "object uses attachment '$name' which is not available, postponing.\n";
616	}	850	}
617		851
618	$obj->{_attachment}{$name} = undef;	852	$obj->{_attachment}{$name} = undef;
619	}	853	}
620		854
…		…
622	if (ref $_[0]) {	856	if (ref $_[0]) {
623	_object_attach @_;	857	_object_attach @_;
624	} else {	858	} else {
625	_attach shift->_attach_registry, @_;	859	_attach shift->_attach_registry, @_;
626	}	860	}
		861	_recalc_want;
627	};	862	};
628		863
629	# all those should be optimised	864	# all those should be optimised
630	sub cf::attachable::detach {	865	sub cf::attachable::detach {
631	my ($obj, $name) = @_;	866	my ($obj, $name) = @_;
…		…
634	delete $obj->{_attachment}{$name};	869	delete $obj->{_attachment}{$name};
635	reattach ($obj);	870	reattach ($obj);
636	} else {	871	} else {
637	Carp::croak "cannot, currently, detach class attachments";	872	Carp::croak "cannot, currently, detach class attachments";
638	}	873	}
		874	_recalc_want;
639	};	875	};
640		876
641	sub cf::attachable::attached {	877	sub cf::attachable::attached {
642	my ($obj, $name) = @_;	878	my ($obj, $name) = @_;
643		879
…		…
658	";	894	";
659	die if $@;	895	die if $@;
660	}	896	}
661		897
662	our $override;	898	our $override;
663	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?
664		900
665	sub override {	901	sub override {
666	$override = 1;	902	$override = 1;
667	@invoke_results = ();	903	@INVOKE_RESULTS = (@_);
668	}	904	}
669		905
670	sub do_invoke {	906	sub do_invoke {
671	my $event = shift;	907	my $event = shift;
672	my $callbacks = shift;	908	my $callbacks = shift;
673		909
674	@invoke_results = ();	910	@INVOKE_RESULTS = ();
675		911
676	local $override;	912	local $override;
677		913
678	for (@$callbacks) {	914	for (@$callbacks) {
679	eval { &{$_->[1]} };	915	eval { &{$_->[1]} };
…		…
696		932
697	Generate an object-specific event with the given arguments.	933	Generate an object-specific event with the given arguments.
698		934
699	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
700	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
701	results (if you must, access C<@cf::invoke_results> directly).	937	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
702		938
703	=back	939	=back
704		940
705	=cut	941	=cut
706		942
707	#############################################################################	943	#############################################################################
708	# 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	}
709		956
710	sub reattach {	957	sub reattach {
711	# basically do the same as instantiate, without calling instantiate	958	# basically do the same as instantiate, without calling instantiate
712	my ($obj) = @_;	959	my ($obj) = @_;
713		960
…		…
816	or return;	1063	or return;
817	$av = eval { (Storable::thaw $av)->{objs} };	1064	$av = eval { (Storable::thaw $av)->{objs} };
818	}	1065	}
819		1066
820	warn sprintf "loading %s (%d)\n",	1067	warn sprintf "loading %s (%d)\n",
821	$filename, length $data, scalar @{$av || []};#d#	1068	$filename, length $data, scalar @{$av || []};
822	return ($data, $av);	1069	return ($data, $av);
823	}	1070	}
		1071
		1072	=head2 COMMAND CALLBACKS
		1073
		1074	=over 4
		1075
		1076	=cut
824		1077
825	#############################################################################	1078	#############################################################################
826	# command handling &c	1079	# command handling &c
827		1080
828	=item cf::register_command $name => \&callback($ob,$args);	1081	=item cf::register_command $name => \&callback($ob,$args);
…		…
841	push @{ $COMMAND{$name} }, [$caller, $cb];	1094	push @{ $COMMAND{$name} }, [$caller, $cb];
842	}	1095	}
843		1096
844	=item cf::register_extcmd $name => \&callback($pl,$packet);	1097	=item cf::register_extcmd $name => \&callback($pl,$packet);
845		1098
846	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.
847		1104
848	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
849	called.	1106	called.
850		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
851	=cut	1119	=cut
852		1120
853	sub register_extcmd {	1121	sub register_extcmd {
854	my ($name, $cb) = @_;	1122	my ($name, $cb) = @_;
855		1123
856	$EXTCMD{$name} = $cb;	1124	$EXTCMD{$name} = $cb;
		1125	}
		1126
		1127	sub register_exticmd {
		1128	my ($name, $cb) = @_;
		1129
		1130	$EXTICMD{$name} = $cb;
857	}	1131	}
858		1132
859	cf::player->attach (	1133	cf::player->attach (
860	on_command => sub {	1134	on_command => sub {
861	my ($pl, $name, $params) = @_;	1135	my ($pl, $name, $params) = @_;
…		…
870	cf::override;	1144	cf::override;
871	},	1145	},
872	on_extcmd => sub {	1146	on_extcmd => sub {
873	my ($pl, $buf) = @_;	1147	my ($pl, $buf) = @_;
874		1148
875	my $msg = eval { from_json $buf };	1149	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
876		1150
877	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
878	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1159	if (my $cb = $EXTCMD{$type}) {
879	if (my %reply = $cb->($pl, $msg)) {	1160	@reply = $cb->($pl, @payload);
880	$pl->ext_reply ($msg->{msgid}, %reply);
881	}
882	}	1161	}
		1162
		1163	$pl->ext_reply ($reply, @reply)
		1164	if $reply;
		1165
883	} else {	1166	} else {
884	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1167	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
885	}	1168	}
886		1169
887	cf::override;	1170	cf::override;
888	},	1171	},
889	);	1172	);
890		1173
891	sub load_extension {
892	my ($path) = @_;
893
894	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
895	my $base = $1;
896	my $pkg = $1;
897	$pkg =~ s/[^[:word:]]/_/g;
898	$pkg = "ext::$pkg";
899
900	warn "... loading '$path' into '$pkg'\n";
901
902	open my $fh, "<:utf8", $path
903	or die "$path: $!";
904
905	my $source =
906	"package $pkg; use strict; use utf8;\n"
907	. "#line 1 \"$path\"\n{\n"
908	. (do { local $/; <$fh> })
909	. "\n};\n1";
910
911	unless (eval $source) {
912	my $msg = $@ ? "$path: $@\n"
913	: "extension disabled.\n";
914	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
915	warn $@;
916	warn "mandatory extension failed to load, exiting.\n";
917	exit 1;
918	}
919	die $@;
920	}
921
922	push @EXTS, $pkg;
923	}
924
925	sub load_extensions {	1174	sub load_extensions {
		1175	cf::sync_job {
		1176	my %todo;
		1177
926	for my $ext (<$LIBDIR/*.ext>) {	1178	for my $path (<$LIBDIR/*.ext>) {
927	next unless -r $ext;	1179	next unless -r $path;
928	eval {	1180
929	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;
930	1	1238	}
931	} or warn "$ext not loaded: $@";	1239
		1240	skip:
		1241	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1242	unless $progress;
		1243	}
932	}	1244	};
933	}	1245	}
934		1246
935	#############################################################################	1247	#############################################################################
936		1248
		1249	=back
		1250
937	=head2 CORE EXTENSIONS	1251	=head2 CORE EXTENSIONS
938		1252
939	Functions and methods that extend core crossfire objects.	1253	Functions and methods that extend core crossfire objects.
940		1254
941	=cut	1255	=cut
…		…
953	Returns the given player object, loading it if necessary (might block).	1267	Returns the given player object, loading it if necessary (might block).
954		1268
955	=cut	1269	=cut
956		1270
957	sub playerdir($) {	1271	sub playerdir($) {
958	cf::localdir	1272	"$PLAYERDIR/"
959	. "/"
960	. cf::playerdir
961	. "/"
962	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1273	. (ref $_[0] ? $_[0]->ob->name : $_[0])
963	}	1274	}
964		1275
965	sub path($) {	1276	sub path($) {
966	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1277	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
967		1278
968	(playerdir $login) . "/$login.pl"	1279	(playerdir $login) . "/playerdata"
969	}	1280	}
970		1281
971	sub find_active($) {	1282	sub find_active($) {
972	$cf::PLAYER{$_[0]}	1283	$cf::PLAYER{$_[0]}
973	and $cf::PLAYER{$_[0]}->active	1284	and $cf::PLAYER{$_[0]}->active
…		…
986	my $login = $_[0];	1297	my $login = $_[0];
987		1298
988	my $guard = cf::lock_acquire "user_find:$login";	1299	my $guard = cf::lock_acquire "user_find:$login";
989		1300
990	$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
991	my $pl = load_pl path $login	1309	my $pl = load_pl path $login
992	or return;	1310	or return;
993	$cf::PLAYER{$login} = $pl	1311	$cf::PLAYER{$login} = $pl
994	}	1312	}
995	}	1313	}
…		…
1007		1325
1008	aio_mkdir playerdir $pl, 0770;	1326	aio_mkdir playerdir $pl, 0770;
1009	$pl->{last_save} = $cf::RUNTIME;	1327	$pl->{last_save} = $cf::RUNTIME;
1010		1328
1011	$pl->save_pl ($path);	1329	$pl->save_pl ($path);
1012	Coro::cede;	1330	cf::cede_to_tick;
1013	}	1331	}
1014		1332
1015	sub new($) {	1333	sub new($) {
1016	my ($login) = @_;	1334	my ($login) = @_;
1017		1335
…		…
1021	$self->{deny_save} = 1;	1339	$self->{deny_save} = 1;
1022		1340
1023	$cf::PLAYER{$login} = $self;	1341	$cf::PLAYER{$login} = $self;
1024		1342
1025	$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 (@_);
1026	}	1354	}
1027		1355
1028	=item $pl->quit_character	1356	=item $pl->quit_character
1029		1357
1030	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
…		…
1079	while and may block, so not sync_job-capable, ever.	1407	while and may block, so not sync_job-capable, ever.
1080		1408
1081	=cut	1409	=cut
1082		1410
1083	sub list_logins {	1411	sub list_logins {
1084	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1412	my $dirs = aio_readdir $PLAYERDIR
1085	or return [];	1413	or return [];
1086		1414
1087	my @logins;	1415	my @logins;
1088		1416
1089	for my $login (@$dirs) {	1417	for my $login (@$dirs) {
…		…
1124	}	1452	}
1125		1453
1126	\@paths	1454	\@paths
1127	}	1455	}
1128		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
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1507	=item $player->ext_reply ($msgid, @msg)
1130		1508
1131	Sends an ext reply to the player.	1509	Sends an ext reply to the player.
1132		1510
1133	=cut	1511	=cut
1134		1512
1135	sub ext_reply($$$%) {	1513	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1514	my ($self, $id, @msg) = @_;
1137		1515
1138	$msg{msgid} = $id;	1516	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1517	}
1142		1518
1143	package cf;	1519	=item $player->ext_msg ($type, @msg)
		1520
		1521	Sends an ext event to the client.
		1522
		1523	=cut
		1524
		1525	sub ext_msg($$@) {
		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	$match
		1558	}
1144		1559
1145	=back	1560	=back
1146
1147		1561
1148	=head3 cf::map	1562	=head3 cf::map
1149		1563
1150	=over 4	1564	=over 4
1151		1565
…		…
1206	my ($self, $merge) = @_;	1620	my ($self, $merge) = @_;
1207		1621
1208	# we have to keep some variables in memory intact	1622	# we have to keep some variables in memory intact
1209	local $self->{path};	1623	local $self->{path};
1210	local $self->{load_path};	1624	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1625
1214	$self->SUPER::thawer_merge ($merge);	1626	$self->SUPER::thawer_merge ($merge);
1215	}	1627	}
1216		1628
1217	sub normalise {	1629	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1676	$self->init; # pass $1 etc.
1265	return $self;	1677	return $self;
1266	}	1678	}
1267	}	1679	}
1268		1680
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1681	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1682	()
1271	}	1683	}
1272		1684
1273	sub init {	1685	sub init {
1274	my ($self) = @_;	1686	my ($self) = @_;
…		…
1289		1701
1290	# the original (read-only) location	1702	# the original (read-only) location
1291	sub load_path {	1703	sub load_path {
1292	my ($self) = @_;	1704	my ($self) = @_;
1293		1705
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1706	"$MAPDIR/$self->{path}.map"
1295	}	1707	}
1296		1708
1297	# the temporary/swap location	1709	# the temporary/swap location
1298	sub save_path {	1710	sub save_path {
1299	my ($self) = @_;	1711	my ($self) = @_;
1300		1712
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1713	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1714	"$TMPDIR/$path.map"
1303	}	1715	}
1304		1716
1305	# the unique path, undef == no special unique path	1717	# the unique path, undef == no special unique path
1306	sub uniq_path {	1718	sub uniq_path {
1307	my ($self) = @_;	1719	my ($self) = @_;
1308		1720
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1721	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1722	"$UNIQUEDIR/$path"
1311	}	1723	}
1312		1724
1313	# and all this just because we cannot iterate over	1725	# and all this just because we cannot iterate over
1314	# all maps in C++...	1726	# all maps in C++...
1315	sub change_all_map_light {	1727	sub change_all_map_light {
1316	my ($change) = @_;	1728	my ($change) = @_;
1317		1729
1318	$_->change_map_light ($change)	1730	$_->change_map_light ($change)
1319	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	$self->do_decay_objects;
1320	}	1740	}
1321		1741
1322	sub unlink_save {	1742	sub unlink_save {
1323	my ($self) = @_;	1743	my ($self) = @_;
1324		1744
…		…
1382	$self->load_header_orig	1802	$self->load_header_orig
1383	or return;	1803	or return;
1384	$self->prepare_orig;	1804	$self->prepare_orig;
1385	}	1805	}
1386		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
1387	1	1813	1
1388	}	1814	}
1389		1815
1390	sub find;	1816	sub find;
1391	sub find {	1817	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1829	$map->{last_save} = $cf::RUNTIME;
1404		1830
1405	$map->load_header	1831	$map->load_header
1406	or return;	1832	or return;
1407		1833
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1834	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1835	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1836	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1837	$map->reset;
1412	undef $guard;	1838	undef $guard;
1413	return find $path;	1839	return find $path;
…		…
1424	my ($self) = @_;	1850	my ($self) = @_;
1425		1851
1426	local $self->{deny_reset} = 1; # loading can take a long time	1852	local $self->{deny_reset} = 1; # loading can take a long time
1427		1853
1428	my $path = $self->{path};	1854	my $path = $self->{path};
		1855
		1856	{
		1857	my $guard1 = cf::lock_acquire "map_data:$path";
1429	my $guard = cf::lock_acquire "map_load:$path";	1858	my $guard2 = cf::lock_acquire "map_load:$path";
1430		1859
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1860	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1861
1433	$self->in_memory (cf::MAP_LOADING);	1862	$self->in_memory (cf::MAP_LOADING);
1434		1863
1435	$self->alloc;	1864	$self->alloc;
1436		1865
1437	$self->pre_load;	1866	$self->pre_load;
		1867	cf::cede_to_tick;
1438		1868
1439	$self->_load_objects ($self->{load_path}, 1)	1869	$self->_load_objects ($self->{load_path}, 1)
1440	or return;	1870	or return;
1441		1871
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1872	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1873	if delete $self->{load_original};
1444		1874
1445	if (my $uniq = $self->uniq_path) {	1875	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1876	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1877	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;	1878	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1879	$self->_load_objects ($uniq, 0);
1450	}	1880	}
1451	}	1881	}
1452		1882
1453	Coro::cede;	1883	cf::cede_to_tick;
1454
1455	# now do the right thing for maps	1884	# now do the right thing for maps
1456	$self->link_multipart_objects;	1885	$self->link_multipart_objects;
1457
1458	unless ($self->{deny_activate}) {
1459	$self->decay_objects;
1460	$self->fix_auto_apply;
1461	$self->update_buttons;
1462	Coro::cede;
1463	$self->set_darkness_map;
1464	$self->difficulty ($self->estimate_difficulty)	1886	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1887	unless $self->difficulty;
1466	Coro::cede;	1888	cf::cede_to_tick;
		1889
		1890	unless ($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;
1467	$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);
1468	}	1904	}
1469		1905
1470	$self->post_load;	1906	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1907	}
1474		1908
1475	sub customise_for {	1909	sub customise_for {
1476	my ($self, $ob) = @_;	1910	my ($self, $ob) = @_;
1477		1911
1478	return find "~" . $ob->name . "/" . $self->{path}	1912	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1913	if $self->per_player;
1480		1914
		1915	# return find "?party/" . $ob->name . "/" . $self->{path}
		1916	# if $self->per_party;
		1917
1481	$self	1918	$self
1482	}	1919	}
1483		1920
1484	# find and load all maps in the 3x3 area around a map	1921	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1922	sub load_neighbours {
1486	my ($map) = @_;	1923	my ($map) = @_;
1487		1924
1488	my @diag; # diagonal neighbours	1925	my @neigh; # diagonal neighbours
1489		1926
1490	for (0 .. 3) {	1927	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1928	my $neigh = $map->tile_path ($_)
1492	or next;	1929	or next;
1493	$neigh = find $neigh, $map	1930	$neigh = find $neigh, $map
1494	or next;	1931	or next;
1495	$neigh->load;	1932	$neigh->load;
1496		1933
		1934	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1935	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1936	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	1937	}
1500		1938
1501	for (@diag) {	1939	for (grep defined $_->[0], @neigh) {
		1940	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	1941	my $neigh = find $path, $origin
1503	or next;	1942	or next;
1504	$neigh->load;	1943	$neigh->load;
1505	}	1944	}
1506	}	1945	}
1507		1946
…		…
1512	}	1951	}
1513		1952
1514	sub do_load_sync {	1953	sub do_load_sync {
1515	my ($map) = @_;	1954	my ($map) = @_;
1516		1955
		1956	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1957	if $Coro::current == $Coro::main;
		1958
1517	cf::sync_job { $map->load };	1959	cf::sync_job { $map->load };
1518	}	1960	}
1519		1961
1520	our %MAP_PREFETCH;	1962	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	1963	our $MAP_PREFETCHER = undef;
1522		1964
1523	sub find_async {	1965	sub find_async {
1524	my ($path, $origin) = @_;	1966	my ($path, $origin, $load) = @_;
1525		1967
1526	$path = normalise $path, $origin && $origin->{path};	1968	$path = normalise $path, $origin && $origin->{path};
1527		1969
1528	if (my $map = $cf::MAP{$path}) {	1970	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1971	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	1972	}
1531		1973
1532	undef $MAP_PREFETCH{$path};	1974	$MAP_PREFETCH{$path} |= $load;
		1975
1533	$MAP_PREFETCHER ||= cf::async {	1976	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1977	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1978	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	1979	if (my $map = find $k) {
1537	or next;
1538	$map->load;	1980	$map->load if $v;
		1981	}
1539		1982
1540	delete $MAP_PREFETCH{$path};	1983	delete $MAP_PREFETCH{$k};
1541	}	1984	}
1542	}	1985	}
1543	undef $MAP_PREFETCHER;	1986	undef $MAP_PREFETCHER;
1544	};	1987	};
1545	$MAP_PREFETCHER->prio (6);	1988	$MAP_PREFETCHER->prio (6);
…		…
1548	}	1991	}
1549		1992
1550	sub save {	1993	sub save {
1551	my ($self) = @_;	1994	my ($self) = @_;
1552		1995
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	1996	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		1997
1555	$self->{last_save} = $cf::RUNTIME;	1998	$self->{last_save} = $cf::RUNTIME;
1556		1999
1557	return unless $self->dirty;	2000	return unless $self->dirty;
1558		2001
…		…
1581	my ($self) = @_;	2024	my ($self) = @_;
1582		2025
1583	# save first because save cedes	2026	# save first because save cedes
1584	$self->save;	2027	$self->save;
1585		2028
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2029	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2030
1588	return if $self->players;	2031	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2032	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2033	return if $self->{deny_save};
1591		2034
…		…
1595		2038
1596	sub reset_at {	2039	sub reset_at {
1597	my ($self) = @_;	2040	my ($self) = @_;
1598		2041
1599	# TODO: safety, remove and allow resettable per-player maps	2042	# TODO: safety, remove and allow resettable per-player maps
1600	return 1e99 if $self->isa ("ext::map_per_player");#d#
1601	return 1e99 if $self->{deny_reset};	2043	return 1e99 if $self->{deny_reset};
1602		2044
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2045	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2046	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2047
…		…
1616	my ($self) = @_;	2058	my ($self) = @_;
1617		2059
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2060	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2061
1620	return if $self->players;	2062	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2063
1623	warn "resetting map ", $self->path;#d#	2064	warn "resetting map ", $self->path;
1624		2065
1625	$self->in_memory (cf::MAP_SWAPPED);	2066	$self->in_memory (cf::MAP_SWAPPED);
1626		2067
1627	# need to save uniques path	2068	# need to save uniques path
1628	unless ($self->{deny_save}) {	2069	unless ($self->{deny_save}) {
…		…
1645	my $nuke_counter = "aaaa";	2086	my $nuke_counter = "aaaa";
1646		2087
1647	sub nuke {	2088	sub nuke {
1648	my ($self) = @_;	2089	my ($self) = @_;
1649		2090
		2091	{
		2092	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2093
1650	delete $cf::MAP{$self->path};	2094	delete $cf::MAP{$self->path};
1651		2095
1652	$self->unlink_save;
1653
1654	bless $self, "cf::map";	2096	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2097	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2098	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2099	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2100	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2101
		2102	$self->unlink_save;
		2103
1660	$cf::MAP{$self->path} = $self;	2104	$cf::MAP{$self->path} = $self;
		2105	}
1661		2106
1662	$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	]
1663	}	2144	}
1664		2145
1665	=item cf::map::unique_maps	2146	=item cf::map::unique_maps
1666		2147
1667	Returns an arrayref of paths of all shared maps that have	2148	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2149	instantiated unique items. May block.
1669		2150
1670	=cut	2151	=cut
1671		2152
1672	sub unique_maps() {	2153	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2154	[
1674	or return;	2155	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2156	utf8::decode $_;
1680	next if /\.pst$/;	2157	/\.map$/
1681	next unless /^$PATH_SEP/o;	2158	? normalise $_
1682		2159	: ()
1683	push @paths, cf::map::normalise $_;	2160	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2161	]
1685
1686	\@paths
1687	}	2162	}
1688		2163
1689	package cf;	2164	package cf;
1690		2165
1691	=back	2166	=back
…		…
1737		2212
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2213	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2214
1740	if ($self->{record_replies}) {	2215	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2216	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2217
1742	} 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 {
1743	$msg = $npc->name . " says: $msg" if $npc;	2226	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2227	$self->message ($msg, $flags);
		2228	}
1745	}	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 (@_);
1746	}	2240	}
1747		2241
1748	=item $player_object->may ("access")	2242	=item $player_object->may ("access")
1749		2243
1750	Returns wether the given player is authorized to access resource "access"	2244	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2291	$self->deactivate_recursive;
1798		2292
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2293	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2294
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2295	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2296	if $self->map && $self->map->{path} ne "{link}";
1803		2297
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2298	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2299	}
1806		2300
1807	sub cf::object::player::leave_link {	2301	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2302	my ($self, $map, $x, $y) = @_;
		2303
		2304	return unless $self->contr->active;
1809		2305
1810	my $link_pos = delete $self->{_link_pos};	2306	my $link_pos = delete $self->{_link_pos};
1811		2307
1812	unless ($map) {	2308	unless ($map) {
1813	# restore original map position	2309	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2323	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2324	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2325	if $x <=0 && $y <= 0;
1830		2326
1831	$map->load;	2327	$map->load;
1832	$map->load_diag;	2328	$map->load_neighbours;
1833		2329
1834	return unless $self->contr->active;	2330	return unless $self->contr->active;
1835	$self->activate_recursive;	2331	$self->activate_recursive;
1836		2332
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2333	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2334	$self->enter_map ($map, $x, $y);
1839	}	2335	}
1840		2336
1841	cf::player->attach (	2337	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2338
1845	# abort map switching before logout	2339	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2340	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2341	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2342	the new (success) or old (failed) map position. In either case, $done will
1849	};	2343	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2344
1855	# try to abort aborted map switching on player login :)
1856	# should happen only on crashes
1857	if ($pl->ob->{_link_pos}) {
1858	$pl->ob->enter_link;
1859	(async {
1860	$pl->ob->reply (undef,
1861	"There was an internal problem at your last logout, "
1862	. "the server will try to bring you to your intended destination in a second.",
1863	cf::NDI_RED);
1864	# we need this sleep as the login has a concurrent enter_exit running
1865	# and this sleep increases chances of the player not ending up in scorn
1866	Coro::Timer::sleep 1;
1867	$pl->ob->leave_link;
1868	})->prio (2);
1869	}
1870	},
1871	);
1872
1873	=item $player_object->goto ($path, $x, $y)
1874
1875	=cut	2345	=cut
		2346
		2347	our $GOTOGEN;
1876		2348
1877	sub cf::object::player::goto {	2349	sub cf::object::player::goto {
1878	my ($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;
1879		2354
1880	$self->enter_link;	2355	$self->enter_link;
1881		2356
1882	(async {	2357	(async {
1883	my $map = eval {	2358	my $map = eval {
1884	my $map = cf::map::find $path;	2359	my $map = cf::map::find $path;
		2360
		2361	if ($map) {
1885	$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
1886	$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 $@;
1887	} or	2374	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2375
		2376	if ($gen == $self->{_goto_generation}) {
		2377	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2378	$self->leave_link ($map, $x, $y);
		2379	}
		2380
		2381	$done->() if $done;
1891	})->prio (1);	2382	})->prio (1);
1892	}	2383	}
1893		2384
1894	=item $player_object->enter_exit ($exit_object)	2385	=item $player_object->enter_exit ($exit_object)
1895		2386
…		…
1934		2425
1935	$rmp->{random_seed} ||= $exit->random_seed;	2426	$rmp->{random_seed} ||= $exit->random_seed;
1936		2427
1937	my $data = cf::to_json $rmp;	2428	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2429	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2430	my $meta = "$RANDOMDIR/$md5.meta";
1940		2431
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2432	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2433	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2434	undef $fh;
1944	aio_rename "$meta~", $meta;	2435	aio_rename "$meta~", $meta;
…		…
1953		2444
1954	return unless $self->type == cf::PLAYER;	2445	return unless $self->type == cf::PLAYER;
1955		2446
1956	if ($exit->slaying eq "/!") {	2447	if ($exit->slaying eq "/!") {
1957	#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
1958	cf::sync_job { prepare_random_map $exit };	2451	cf::sync_job { prepare_random_map $exit };
1959	}	2452	}
1960		2453
1961	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;
1962	my $hp = $exit->stats->hp;	2455	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2456	my $sp = $exit->stats->sp;
1964		2457
1965	$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);
1966		2463
1967	(async {	2464	(async {
1968	$self->deactivate_recursive; # just to be sure	2465	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2466	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2467	$self->goto ($slaying, $hp, $sp);
1971		2468
1972	1;	2469	1;
1973	}) {	2470	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2471	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "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. "
1976	. "Please report this to the dungeon master!",	2473	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2474	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2475
1979	warn "ERROR in enter_exit: $@";	2476	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2477	$self->leave_link;
1981	}	2478	}
1982	})->prio (1);	2479	})->prio (1);
…		…
1998		2495
1999	utf8::encode $text;	2496	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2497	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2498	}
2002		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<$color> is negative, suppress
		2505	the message unless the client supports the msg packet.
		2506
		2507	=cut
		2508
		2509	sub cf::client::send_msg {
		2510	my ($self, $channel, $msg, $color, @extra) = @_;
		2511
		2512	$msg = $self->pl->expand_cfpod ($msg);
		2513
		2514	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2515
		2516	if (ref $channel) {
		2517	# send meta info to client, if not yet sent
		2518	unless (exists $self->{channel}{$channel->{id}}) {
		2519	$self->{channel}{$channel->{id}} = $channel;
		2520	$self->ext_msg (channel_info => $channel);
		2521	}
		2522
		2523	$channel = $channel->{id};
		2524	}
		2525
		2526	return unless @extra || length $msg;
		2527
		2528	if ($self->can_msg) {
		2529	# default colour, mask it out
		2530	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2531	if $color & cf::NDI_DEF;
		2532
		2533	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2534	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2535	} else {
		2536	if ($color >= 0) {
		2537	# replace some tags by gcfclient-compatible ones
		2538	for ($msg) {
		2539	1 while
		2540	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2541	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2542	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2543	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2544	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2545	}
		2546
		2547	$color &= cf::NDI_COLOR_MASK;
		2548
		2549	utf8::encode $msg;
		2550
		2551	if (0 && $msg =~ /\[/) {
		2552	# COMMAND/INFO
		2553	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2554	} else {
		2555	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2556	$self->send_packet ("drawinfo $color $msg")
		2557	}
		2558	}
		2559	}
		2560	}
		2561
		2562	=item $client->ext_msg ($type, @msg)
		2563
		2564	Sends an ext event to the client.
		2565
		2566	=cut
		2567
		2568	sub cf::client::ext_msg($$@) {
		2569	my ($self, $type, @msg) = @_;
		2570
		2571	if ($self->extcmd == 2) {
		2572	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2573	} elsif ($self->extcmd == 1) { # TODO: remove
		2574	push @msg, msgtype => "event_$type";
		2575	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2576	}
		2577	}
		2578
		2579	=item $client->ext_reply ($msgid, @msg)
		2580
		2581	Sends an ext reply to the client.
		2582
		2583	=cut
		2584
		2585	sub cf::client::ext_reply($$@) {
		2586	my ($self, $id, @msg) = @_;
		2587
		2588	if ($self->extcmd == 2) {
		2589	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2590	} elsif ($self->extcmd == 1) {
		2591	#TODO: version 1, remove
		2592	unshift @msg, msgtype => "reply", msgid => $id;
		2593	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2594	}
		2595	}
2003		2596
2004	=item $success = $client->query ($flags, "text", \&cb)	2597	=item $success = $client->query ($flags, "text", \&cb)
2005		2598
2006	Queues a query to the client, calling the given callback with	2599	Queues a query to the client, calling the given callback with
2007	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2600	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
2008	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2601	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2602
2010	Queries can fail, so check the return code. Or don't, as queries will become	2603	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2604	become reliable at some point in the future.
2012		2605
2013	=cut	2606	=cut
2014		2607
2015	sub cf::client::query {	2608	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2609	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2617	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2618	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2619
2027	$self->send_packet ($self->{query_queue}[0][0])	2620	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2621	if @{ $self->{query_queue} } == 1;
		2622
		2623	1
2029	}	2624	}
2030		2625
2031	cf::client->attach (	2626	cf::client->attach (
		2627	on_connect => sub {
		2628	my ($ns) = @_;
		2629
		2630	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2631	},
2032	on_reply => sub {	2632	on_reply => sub {
2033	my ($ns, $msg) = @_;	2633	my ($ns, $msg) = @_;
2034		2634
2035	# this weird shuffling is so that direct followup queries	2635	# this weird shuffling is so that direct followup queries
2036	# get handled first	2636	# get handled first
…		…
2048	} else {	2648	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2649	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2650	}
2051	}	2651	}
2052	},	2652	},
		2653	on_exticmd => sub {
		2654	my ($ns, $buf) = @_;
		2655
		2656	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2657
		2658	if (ref $msg) {
		2659	my ($type, $reply, @payload) =
		2660	"ARRAY" eq ref $msg
		2661	? @$msg
		2662	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2663
		2664	my @reply;
		2665
		2666	if (my $cb = $EXTICMD{$type}) {
		2667	@reply = $cb->($ns, @payload);
		2668	}
		2669
		2670	$ns->ext_reply ($reply, @reply)
		2671	if $reply;
		2672
		2673	} else {
		2674	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2675	}
		2676
		2677	cf::override;
		2678	},
2053	);	2679	);
2054		2680
2055	=item $client->async (\&cb)	2681	=item $client->async (\&cb)
2056		2682
2057	Create a new coroutine, running the specified callback. The coroutine will	2683	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2724	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2725	our $safe_hole = new Safe::Hole;
2100		2726
2101	$SIG{FPE} = 'IGNORE';	2727	$SIG{FPE} = 'IGNORE';
2102		2728
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2729	$safe->permit_only (Opcode::opset qw(
		2730	:base_core :base_mem :base_orig :base_math
		2731	grepstart grepwhile mapstart mapwhile
		2732	sort time
		2733	));
2104		2734
2105	# here we export the classes and methods available to script code	2735	# here we export the classes and methods available to script code
2106		2736
2107	=pod	2737	=pod
2108		2738
2109	The following fucntions and emthods are available within a safe environment:	2739	The following functions and methods are available within a safe environment:
2110		2740
2111	cf::object contr pay_amount pay_player map	2741	cf::object
		2742	contr pay_amount pay_player map x y force_find force_add
		2743	insert remove name archname title slaying race decrease_ob_nr
		2744
2112	cf::object::player player	2745	cf::object::player
2113	cf::player peaceful	2746	player
2114	cf::map trigger	2747
		2748	cf::player
		2749	peaceful
		2750
		2751	cf::map
		2752	trigger
2115		2753
2116	=cut	2754	=cut
2117		2755
2118	for (	2756	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2757	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2758	insert remove inv name archname title slaying race
		2759	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2760	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2761	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2762	["cf::map" => qw(trigger)],
2123	) {	2763	) {
2124	no strict 'refs';	2764	no strict 'refs';
…		…
2195	=back	2835	=back
2196		2836
2197	=cut	2837	=cut
2198		2838
2199	#############################################################################	2839	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$family> should best start with the name of the extension
2208	using it, it should be unique.
2209
2210	=over 4
2211
2212	=item $value = cf::db_get $family => $key
2213
2214	Returns a single value from the database.
2215
2216	=item cf::db_put $family => $key => $value
2217
2218	Stores the given C<$value> in the family.
2219
2220	=cut
2221
2222	our $DB;
2223
2224	sub db_init {
2225	unless ($DB) {
2226	$DB = BDB::db_create $DB_ENV;
2227
2228	cf::sync_job {
2229	eval {
2230	$DB->set_flags (BDB::CHKSUM);
2231
2232	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2233	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2234	cf::cleanup "db_open(db): $!" if $!;
2235	};
2236	cf::cleanup "db_open(db): $@" if $@;
2237	};
2238
2239	my $path = cf::localdir . "/database.pst";
2240	if (stat $path) {
2241	cf::sync_job {
2242	my $pst = Storable::retrieve $path;
2243
2244	cf::db_put (board => data => $pst->{board});
2245	cf::db_put (guildrules => data => $pst->{guildrules});
2246	cf::db_put (rent => balance => $pst->{rent}{balance});
2247	BDB::db_env_txn_checkpoint $DB_ENV;
2248
2249	unlink $path;
2250	};
2251	}
2252	}
2253	}
2254
2255	sub db_get($$) {
2256	my $key = "$_[0]/$_[1]";
2257
2258	cf::sync_job {
2259	BDB::db_get $DB, undef, $key, my $data;
2260
2261	$! ? ()
2262	: Compress::LZF::sthaw $data
2263	}
2264	}
2265
2266	sub db_put($$$) {
2267	BDB::dbreq_pri 4;
2268	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2840	# the server's init and main functions
2273		2841
2274	sub load_faces {	2842	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2843	my ($path) = @_;
2276		2844
		2845	# HACK to clear player env face cache, we need some signal framework
		2846	# for this (global event?)
		2847	%ext::player_env::MUSIC_FACE_CACHE = ();
		2848
		2849	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2850
2277	warn "loading faces from $path\n";	2851	warn "loading facedata from $path\n";
2278		2852
2279	my $faces;	2853	my $facedata;
2280	0 < aio_load $path, $faces	2854	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2855	or die "$path: $!";
2282		2856
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2857	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2858
		2859	$facedata->{version} == 2
		2860	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2861
		2862	# patch in the exptable
		2863	$facedata->{resource}{"res/exp_table"} = {
		2864	type => FT_RSRC,
		2865	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2866	};
		2867	cf::cede_to_tick;
		2868
		2869	{
		2870	my $faces = $facedata->{faceinfo};
		2871
2287	while (my ($face, $info) = each %$faces) {	2872	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2873	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2874	cf::face::set_visibility $idx, $info->{visibility};
		2875	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2876	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	2877	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2292	}
2293		2878
		2879	cf::cede_to_tick;
		2880	}
		2881
2294	while (my ($face, $info) = each %$faces) {	2882	while (my ($face, $info) = each %$faces) {
2295	next unless $info->{smooth};	2883	next unless $info->{smooth};
2296	my $idx = cf::face::find $face	2884	my $idx = cf::face::find $face
2297	or next;	2885	or next;
2298	if (my $smooth = cf::face::find $info->{smooth}) {	2886	if (my $smooth = cf::face::find $info->{smooth}) {
2299	cf::face::set_smooth $idx, $smooth;	2887	cf::face::set_smooth $idx, $smooth;
2300	warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#	2888	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2301	} else {	2889	} else {
2302	warn "smooth face '$info->{smooth}' not found for face '$face'";	2890	warn "smooth face '$info->{smooth}' not found for face '$face'";
2303	}	2891	}
2304	Coro::cede;	2892
		2893	cf::cede_to_tick;
		2894	}
		2895	}
		2896
		2897	{
		2898	my $anims = $facedata->{animinfo};
		2899
		2900	while (my ($anim, $info) = each %$anims) {
		2901	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2902	cf::cede_to_tick;
		2903	}
		2904
		2905	cf::anim::invalidate_all; # d'oh
		2906	}
		2907
		2908	{
		2909	# TODO: for gcfclient pleasure, we should give resources
		2910	# that gcfclient doesn't grok a >10000 face index.
		2911	my $res = $facedata->{resource};
		2912
		2913	my $soundconf = delete $res->{"res/sound.conf"};
		2914
		2915	while (my ($name, $info) = each %$res) {
		2916	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2917	my $data;
		2918
		2919	if ($info->{type} & 1) {
		2920	# prepend meta info
		2921
		2922	my $meta = $enc->encode ({
		2923	name => $name,
		2924	%{ $info->{meta} || {} },
		2925	});
		2926
		2927	$data = pack "(w/a*)*", $meta, $info->{data};
		2928	} else {
		2929	$data = $info->{data};
		2930	}
		2931
		2932	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2933	cf::face::set_type $idx, $info->{type};
		2934
		2935	cf::cede_to_tick;
		2936	}
		2937
		2938	if ($soundconf) {
		2939	$soundconf = $enc->decode (delete $soundconf->{data});
		2940
		2941	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2942	my $sound = $soundconf->{compat}[$_]
		2943	or next;
		2944
		2945	my $face = cf::face::find "sound/$sound->[1]";
		2946	cf::sound::set $sound->[0] => $face;
		2947	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2948	}
		2949
		2950	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2951	my $face = cf::face::find "sound/$v";
		2952	cf::sound::set $k => $face;
		2953	}
		2954	}
2305	}	2955	}
2306		2956
2307	1	2957	1
2308	}	2958	}
2309		2959
		2960	register_exticmd fx_want => sub {
		2961	my ($ns, $want) = @_;
		2962
		2963	while (my ($k, $v) = each %$want) {
		2964	$ns->fx_want ($k, $v);
		2965	}
		2966	};
		2967
		2968	sub reload_regions {
		2969	# HACK to clear player env face cache, we need some signal framework
		2970	# for this (global event?)
		2971	%ext::player_env::MUSIC_FACE_CACHE = ();
		2972
		2973	load_resource_file "$MAPDIR/regions"
		2974	or die "unable to load regions file\n";
		2975
		2976	for (cf::region::list) {
		2977	$_->{match} = qr/$_->{match}/
		2978	if exists $_->{match};
		2979	}
		2980	}
		2981
		2982	sub reload_facedata {
		2983	load_facedata "$DATADIR/facedata"
		2984	or die "unable to load facedata\n";
		2985	}
		2986
		2987	sub reload_archetypes {
		2988	load_resource_file "$DATADIR/archetypes"
		2989	or die "unable to load archetypes\n";
		2990	#d# NEED to laod twice to resolve forward references
		2991	# this really needs to be done in an extra post-pass
		2992	# (which needs to be synchronous, so solve it differently)
		2993	load_resource_file "$DATADIR/archetypes"
		2994	or die "unable to load archetypes\n";
		2995	}
		2996
		2997	sub reload_treasures {
		2998	load_resource_file "$DATADIR/treasures"
		2999	or die "unable to load treasurelists\n";
		3000	}
		3001
2310	sub reload_resources {	3002	sub reload_resources {
2311	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3003	warn "reloading resource files...\n";
2312	or die "unable to load regions file\n";#d#	3004
		3005	reload_regions;
2313	load_faces	3006	reload_facedata;
2314	or die "unable to load faces\n";#d#	3007	#reload_archetypes;#d#
		3008	reload_archetypes;
		3009	reload_treasures;
		3010
		3011	warn "finished reloading resource files\n";
2315	}	3012	}
2316		3013
2317	sub init {	3014	sub init {
2318	reload_resources;	3015	reload_resources;
2319	}	3016	}
2320		3017
2321	sub cfg_load {	3018	sub reload_config {
2322	open my $fh, "<:utf8", cf::confdir . "/config"	3019	open my $fh, "<:utf8", "$CONFDIR/config"
2323	or return;	3020	or return;
2324		3021
2325	local $/;	3022	local $/;
2326	*CFG = YAML::Syck::Load <$fh>;	3023	*CFG = YAML::Syck::Load <$fh>;
2327		3024
…		…
2346	(async {	3043	(async {
2347	Event::one_event;	3044	Event::one_event;
2348	})->prio (Coro::PRIO_MAX);	3045	})->prio (Coro::PRIO_MAX);
2349	};	3046	};
2350		3047
2351	cfg_load;	3048	reload_config;
2352	db_init;	3049	db_init;
2353	load_extensions;	3050	load_extensions;
2354		3051
2355	$TICK_WATCHER->start;	3052	$TICK_WATCHER->start;
2356	Event::loop;	3053	Event::loop;
…		…
2372	},	3069	},
2373	);	3070	);
2374	}	3071	}
2375	}	3072	}
2376		3073
		3074	sub write_runtime {
		3075	my $runtime = "$LOCALDIR/runtime";
		3076
		3077	# first touch the runtime file to show we are still running:
		3078	# the fsync below can take a very very long time.
		3079
		3080	IO::AIO::aio_utime $runtime, undef, undef;
		3081
		3082	my $guard = cf::lock_acquire "write_runtime";
		3083
		3084	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3085	or return;
		3086
		3087	my $value = $cf::RUNTIME + 90 + 10;
		3088	# 10 is the runtime save interval, for a monotonic clock
		3089	# 60 allows for the watchdog to kill the server.
		3090
		3091	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3092	and return;
		3093
		3094	# always fsync - this file is important
		3095	aio_fsync $fh
		3096	and return;
		3097
		3098	# touch it again to show we are up-to-date
		3099	aio_utime $fh, undef, undef;
		3100
		3101	close $fh
		3102	or return;
		3103
		3104	aio_rename "$runtime~", $runtime
		3105	and return;
		3106
		3107	warn "runtime file written.\n";
		3108
		3109	1
		3110	}
		3111
2377	sub emergency_save() {	3112	sub emergency_save() {
2378	my $freeze_guard = cf::freeze_mainloop;	3113	my $freeze_guard = cf::freeze_mainloop;
2379		3114
2380	warn "enter emergency perl save\n";	3115	warn "enter emergency perl save\n";
2381		3116
…		…
2412		3147
2413	warn Carp::longmess "post_cleanup backtrace"	3148	warn Carp::longmess "post_cleanup backtrace"
2414	if $make_core;	3149	if $make_core;
2415	}	3150	}
2416		3151
2417	sub reload() {	3152	sub do_reload_perl() {
2418	# can/must only be called in main	3153	# can/must only be called in main
2419	if ($Coro::current != $Coro::main) {	3154	if ($Coro::current != $Coro::main) {
2420	warn "can only reload from main coroutine";	3155	warn "can only reload from main coroutine";
2421	return;	3156	return;
2422	}	3157	}
…		…
2456	%EXT_CORO = ();	3191	%EXT_CORO = ();
2457		3192
2458	warn "removing commands";	3193	warn "removing commands";
2459	%COMMAND = ();	3194	%COMMAND = ();
2460		3195
2461	warn "removing ext commands";	3196	warn "removing ext/exti commands";
2462	%EXTCMD = ();	3197	%EXTCMD = ();
		3198	%EXTICMD = ();
2463		3199
2464	warn "unloading/nuking all extensions";	3200	warn "unloading/nuking all extensions";
2465	for my $pkg (@EXTS) {	3201	for my $pkg (@EXTS) {
2466	warn "... unloading $pkg";	3202	warn "... unloading $pkg";
2467		3203
…		…
2497	Symbol::delete_package "safe::$_"	3233	Symbol::delete_package "safe::$_"
2498	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3234	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2499		3235
2500	warn "unloading cf.pm \"a bit\"";	3236	warn "unloading cf.pm \"a bit\"";
2501	delete $INC{"cf.pm"};	3237	delete $INC{"cf.pm"};
		3238	delete $INC{"cf/pod.pm"};
2502		3239
2503	# don't, removes xs symbols, too,	3240	# don't, removes xs symbols, too,
2504	# and global variables created in xs	3241	# and global variables created in xs
2505	#Symbol::delete_package __PACKAGE__;	3242	#Symbol::delete_package __PACKAGE__;
2506		3243
…		…
2509	warn "reloading cf.pm";	3246	warn "reloading cf.pm";
2510	require cf;	3247	require cf;
2511	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3248	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2512		3249
2513	warn "loading config and database again";	3250	warn "loading config and database again";
2514	cf::cfg_load;	3251	cf::reload_config;
2515		3252
2516	warn "loading extensions";	3253	warn "loading extensions";
2517	cf::load_extensions;	3254	cf::load_extensions;
2518		3255
2519	warn "reattaching attachments to objects/players";	3256	warn "reattaching attachments to objects/players";
…		…
2521	warn "reattaching attachments to maps";	3258	warn "reattaching attachments to maps";
2522	reattach $_ for values %MAP;	3259	reattach $_ for values %MAP;
2523	warn "reattaching attachments to players";	3260	warn "reattaching attachments to players";
2524	reattach $_ for values %PLAYER;	3261	reattach $_ for values %PLAYER;
2525		3262
2526	warn "loading reloadable resources";
2527	reload_resources;
2528
2529	warn "leaving sync_job";	3263	warn "leaving sync_job";
2530		3264
2531	1	3265	1
2532	} or do {	3266	} or do {
2533	warn $@;	3267	warn $@;
…		…
2538	warn "reloaded";	3272	warn "reloaded";
2539	};	3273	};
2540		3274
2541	our $RELOAD_WATCHER; # used only during reload	3275	our $RELOAD_WATCHER; # used only during reload
2542		3276
		3277	sub reload_perl() {
		3278	# doing reload synchronously and two reloads happen back-to-back,
		3279	# coro crashes during coro_state_free->destroy here.
		3280
		3281	$RELOAD_WATCHER ||= Event->timer (
		3282	reentrant => 0,
		3283	after => 0,
		3284	data => WF_AUTOCANCEL,
		3285	cb => sub {
		3286	do_reload_perl;
		3287	undef $RELOAD_WATCHER;
		3288	},
		3289	);
		3290	}
		3291
2543	register_command "reload" => sub {	3292	register_command "reload" => sub {
2544	my ($who, $arg) = @_;	3293	my ($who, $arg) = @_;
2545		3294
2546	if ($who->flag (FLAG_WIZ)) {	3295	if ($who->flag (FLAG_WIZ)) {
2547	$who->message ("reloading server.");	3296	$who->message ("reloading server.");
2548		3297	async { reload_perl };
2549	# doing reload synchronously and two reloads happen back-to-back,
2550	# coro crashes during coro_state_free->destroy here.
2551
2552	$RELOAD_WATCHER ||= Event->timer (
2553	reentrant => 0,
2554	after => 0,
2555	data => WF_AUTOCANCEL,
2556	cb => sub {
2557	reload;
2558	undef $RELOAD_WATCHER;
2559	},
2560	);
2561	}	3298	}
2562	};	3299	};
2563		3300
2564	unshift @INC, $LIBDIR;	3301	unshift @INC, $LIBDIR;
2565		3302
2566	my $bug_warning = 0;	3303	my $bug_warning = 0;
2567		3304
		3305	our @WAIT_FOR_TICK;
		3306	our @WAIT_FOR_TICK_BEGIN;
		3307
		3308	sub wait_for_tick {
		3309	return unless $TICK_WATCHER->is_active;
		3310	return if $Coro::current == $Coro::main;
		3311
		3312	my $signal = new Coro::Signal;
		3313	push @WAIT_FOR_TICK, $signal;
		3314	$signal->wait;
		3315	}
		3316
		3317	sub wait_for_tick_begin {
		3318	return unless $TICK_WATCHER->is_active;
		3319	return if $Coro::current == $Coro::main;
		3320
		3321	my $signal = new Coro::Signal;
		3322	push @WAIT_FOR_TICK_BEGIN, $signal;
		3323	$signal->wait;
		3324	}
		3325
		3326	my $min = 1e6;#d#
		3327	my $avg = 10;
2568	$TICK_WATCHER = Event->timer (	3328	$TICK_WATCHER = Event->timer (
2569	reentrant => 0,	3329	reentrant => 0,
2570	parked => 1,	3330	parked => 1,
2571	prio => 0,	3331	prio => 0,
2572	at => $NEXT_TICK || $TICK,	3332	at => $NEXT_TICK || $TICK,
…		…
2576	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3336	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2577	unless ++$bug_warning > 10;	3337	unless ++$bug_warning > 10;
2578	return;	3338	return;
2579	}	3339	}
2580		3340
2581	$NOW = Event::time;	3341	$NOW = $tick_start = Event::time;
2582		3342
2583	cf::server_tick; # one server iteration	3343	cf::server_tick; # one server iteration
		3344
		3345	0 && sync_job {#d#
		3346	for(1..10) {
		3347	my $t = Event::time;
		3348	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3349	or die;
		3350
		3351	$map->width (50);
		3352	$map->height (50);
		3353	$map->alloc;
		3354	$map->_load_objects ("/tmp/x.map", 1);
		3355	my $t = Event::time - $t;
		3356
		3357	#next unless $t < 0.0013;#d#
		3358	if ($t < $min) {
		3359	$min = $t;
		3360	}
		3361	$avg = $avg * 0.99 + $t * 0.01;
		3362	}
		3363	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3364	exit 0;
		3365	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3366	};
		3367
2584	$RUNTIME += $TICK;	3368	$RUNTIME += $TICK;
2585	$NEXT_TICK += $TICK;	3369	$NEXT_TICK += $TICK;
2586		3370
2587	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3371	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588	$NEXT_RUNTIME_WRITE = $NOW + 10;	3372	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2590	write_runtime	3374	write_runtime
2591	or warn "ERROR: unable to write runtime file: $!";	3375	or warn "ERROR: unable to write runtime file: $!";
2592	};	3376	};
2593	}	3377	}
2594		3378
2595	$WAIT_FOR_TICK->broadcast;
2596	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2597
2598	# my $AFTER = Event::time;	3379	# my $AFTER = Event::time;
2599	# warn $AFTER - $NOW;#d#	3380	# warn $AFTER - $NOW;#d#
2600		3381
		3382	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3383	$sig->send;
		3384	}
		3385	while (my $sig = shift @WAIT_FOR_TICK) {
		3386	$sig->send;
		3387	}
		3388
		3389	$NOW = Event::time;
		3390
2601	# if we are delayed by four ticks or more, skip them all	3391	# if we are delayed by four ticks or more, skip them all
2602	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3392	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2603		3393
2604	$TICK_WATCHER->at ($NEXT_TICK);	3394	$TICK_WATCHER->at ($NEXT_TICK);
2605	$TICK_WATCHER->start;	3395	$TICK_WATCHER->start;
		3396
		3397	$LOAD = ($NOW - $tick_start) / $TICK;
		3398	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3399
		3400	_post_tick;
		3401
		3402
2606	},	3403	},
2607	);	3404	);
2608		3405
2609	{	3406	{
2610	BDB::max_poll_time $TICK * 0.1;	3407	BDB::max_poll_time $TICK * 0.1;
…		…
2638		3435
2639	cf::sync_job {	3436	cf::sync_job {
2640	eval {	3437	eval {
2641	BDB::db_env_open	3438	BDB::db_env_open
2642	$DB_ENV,	3439	$DB_ENV,
2643	$BDB_ENV_DIR,	3440	$BDBDIR,
2644	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3441	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2645	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3442	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2646	0666;	3443	0666;
2647		3444
2648	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3445	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2649		3446
2650	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3447	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2651	$DB_ENV->set_lk_detect;	3448	$DB_ENV->set_lk_detect;
2652	};	3449	};
2653		3450
…		…
2669	prio => 6,	3466	prio => 6,
2670	cb => \&IO::AIO::poll_cb,	3467	cb => \&IO::AIO::poll_cb,
2671	);	3468	);
2672	}	3469	}
2673		3470
		3471	my $_log_backtrace;
		3472
		3473	sub _log_backtrace {
		3474	my ($msg, @addr) = @_;
		3475
		3476	$msg =~ s/\n//;
		3477
		3478	# limit the # of concurrent backtraces
		3479	if ($_log_backtrace < 2) {
		3480	++$_log_backtrace;
		3481	async {
		3482	my @bt = fork_call {
		3483	@addr = map { sprintf "%x", $_ } @addr;
		3484	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3485	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3486	or die "addr2line: $!";
		3487
		3488	my @funcs;
		3489	my @res = <$fh>;
		3490	chomp for @res;
		3491	while (@res) {
		3492	my ($func, $line) = splice @res, 0, 2, ();
		3493	push @funcs, "[$func] $line";
		3494	}
		3495
		3496	@funcs
		3497	};
		3498
		3499	LOG llevInfo, "[ABT] $msg\n";
		3500	LOG llevInfo, "[ABT] $_\n" for @bt;
		3501	--$_log_backtrace;
		3502	};
		3503	} else {
		3504	LOG llevInfo, "[ABT] $msg\n";
		3505	LOG llevInfo, "[ABT] [suppressed]\n";
		3506	}
		3507	}
		3508
		3509	# load additional modules
		3510	use cf::pod;
		3511
2674	END { cf::emergency_save }	3512	END { cf::emergency_save }
2675		3513
2676	1	3514	1
2677		3515

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