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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.224 by root, Mon Mar 12 21:42:12 2007 UTC vs.
Revision 1.353 by root, Sun Sep 2 08:43:46 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/(?<![BIUGHT])</&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	|| s/T<([^\>]*)>/<big><b>$1<\/b><\/big>/
		1478	# replace G<male|female> tags
		1479	|| s{G<([^>|]*)\|([^>]*)>}{
		1480	$self->gender ? $2 : $1
		1481	}ge
		1482	# replace H<hint text>
		1483	|| s{H<([^\>]*)>}
		1484	{
		1485	("<fg name=\"lightblue\">[$1 (Use hintmode to suppress hints)]</fg>",
		1486	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1487	"")
		1488	[$self->{hintmode}]
		1489	}ge;
		1490
		1491	# create single paragraphs (very hackish)
		1492	s/(?<=\S)\n(?=\w)/ /g;
		1493
		1494	# compress some whitespace
		1495	s/\s+\n/\n/g; # ws line-ends
		1496	s/\n\n+/\n/g; # double lines
		1497	s/^\n+//; # beginning lines
		1498	s/\n+$//; # ending lines
		1499
		1500	$_
		1501	}
		1502
		1503	sub hintmode {
		1504	$_[0]{hintmode} = $_[1] if @_ > 1;
		1505	$_[0]{hintmode}
		1506	}
		1507
1129	=item $player->ext_reply ($msgid, $msgtype, %msg)	1508	=item $player->ext_reply ($msgid, @msg)
1130		1509
1131	Sends an ext reply to the player.	1510	Sends an ext reply to the player.
1132		1511
1133	=cut	1512	=cut
1134		1513
1135	sub ext_reply($$$%) {	1514	sub ext_reply($$@) {
1136	my ($self, $id, %msg) = @_;	1515	my ($self, $id, @msg) = @_;
1137		1516
1138	$msg{msgid} = $id;	1517	$self->ns->ext_reply ($id, @msg)
1139
1140	$self->send ("ext " . cf::to_json \%msg);
1141	}	1518	}
1142		1519
1143	package cf;	1520	=item $player->ext_msg ($type, @msg)
		1521
		1522	Sends an ext event to the client.
		1523
		1524	=cut
		1525
		1526	sub ext_msg($$@) {
		1527	my ($self, $type, @msg) = @_;
		1528
		1529	$self->ns->ext_msg ($type, @msg);
		1530	}
		1531
		1532	=head3 cf::region
		1533
		1534	=over 4
		1535
		1536	=cut
		1537
		1538	package cf::region;
		1539
		1540	=item cf::region::find_by_path $path
		1541
		1542	Tries to decuce the likely region for a map knowing only its path.
		1543
		1544	=cut
		1545
		1546	sub find_by_path($) {
		1547	my ($path) = @_;
		1548
		1549	my ($match, $specificity);
		1550
		1551	for my $region (list) {
		1552	if ($region->{match} && $path =~ $region->{match}) {
		1553	($match, $specificity) = ($region, $region->specificity)
		1554	if $region->specificity > $specificity;
		1555	}
		1556	}
		1557
		1558	$match
		1559	}
1144		1560
1145	=back	1561	=back
1146
1147		1562
1148	=head3 cf::map	1563	=head3 cf::map
1149		1564
1150	=over 4	1565	=over 4
1151		1566
…		…
1206	my ($self, $merge) = @_;	1621	my ($self, $merge) = @_;
1207		1622
1208	# we have to keep some variables in memory intact	1623	# we have to keep some variables in memory intact
1209	local $self->{path};	1624	local $self->{path};
1210	local $self->{load_path};	1625	local $self->{load_path};
1211	local $self->{deny_save};
1212	local $self->{deny_reset};
1213		1626
1214	$self->SUPER::thawer_merge ($merge);	1627	$self->SUPER::thawer_merge ($merge);
1215	}	1628	}
1216		1629
1217	sub normalise {	1630	sub normalise {
…		…
1264	$self->init; # pass $1 etc.	1677	$self->init; # pass $1 etc.
1265	return $self;	1678	return $self;
1266	}	1679	}
1267	}	1680	}
1268		1681
1269	Carp::carp "unable to resolve path '$path' (base '$base').";	1682	Carp::cluck "unable to resolve path '$path' (base '$base').";
1270	()	1683	()
1271	}	1684	}
1272		1685
1273	sub init {	1686	sub init {
1274	my ($self) = @_;	1687	my ($self) = @_;
…		…
1289		1702
1290	# the original (read-only) location	1703	# the original (read-only) location
1291	sub load_path {	1704	sub load_path {
1292	my ($self) = @_;	1705	my ($self) = @_;
1293		1706
1294	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1707	"$MAPDIR/$self->{path}.map"
1295	}	1708	}
1296		1709
1297	# the temporary/swap location	1710	# the temporary/swap location
1298	sub save_path {	1711	sub save_path {
1299	my ($self) = @_;	1712	my ($self) = @_;
1300		1713
1301	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1714	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1302	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1715	"$TMPDIR/$path.map"
1303	}	1716	}
1304		1717
1305	# the unique path, undef == no special unique path	1718	# the unique path, undef == no special unique path
1306	sub uniq_path {	1719	sub uniq_path {
1307	my ($self) = @_;	1720	my ($self) = @_;
1308		1721
1309	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1722	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1310	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1723	"$UNIQUEDIR/$path"
1311	}	1724	}
1312		1725
1313	# and all this just because we cannot iterate over	1726	# and all this just because we cannot iterate over
1314	# all maps in C++...	1727	# all maps in C++...
1315	sub change_all_map_light {	1728	sub change_all_map_light {
1316	my ($change) = @_;	1729	my ($change) = @_;
1317		1730
1318	$_->change_map_light ($change)	1731	$_->change_map_light ($change)
1319	for grep $_->outdoor, values %cf::MAP;	1732	for grep $_->outdoor, values %cf::MAP;
		1733	}
		1734
		1735	sub decay_objects {
		1736	my ($self) = @_;
		1737
		1738	return if $self->{deny_reset};
		1739
		1740	$self->do_decay_objects;
1320	}	1741	}
1321		1742
1322	sub unlink_save {	1743	sub unlink_save {
1323	my ($self) = @_;	1744	my ($self) = @_;
1324		1745
…		…
1382	$self->load_header_orig	1803	$self->load_header_orig
1383	or return;	1804	or return;
1384	$self->prepare_orig;	1805	$self->prepare_orig;
1385	}	1806	}
1386		1807
		1808	$self->{deny_reset} = 1
		1809	if $self->no_reset;
		1810
		1811	$self->default_region (cf::region::find_by_path $self->{path})
		1812	unless $self->default_region;
		1813
1387	1	1814	1
1388	}	1815	}
1389		1816
1390	sub find;	1817	sub find;
1391	sub find {	1818	sub find {
…		…
1403	$map->{last_save} = $cf::RUNTIME;	1830	$map->{last_save} = $cf::RUNTIME;
1404		1831
1405	$map->load_header	1832	$map->load_header
1406	or return;	1833	or return;
1407		1834
1408	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1835	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1409	# doing this can freeze the server in a sync job, obviously	1836	# doing this can freeze the server in a sync job, obviously
1410	#$cf::WAIT_FOR_TICK->wait;	1837	#$cf::WAIT_FOR_TICK->wait;
1411	$map->reset;	1838	$map->reset;
1412	undef $guard;	1839	undef $guard;
1413	return find $path;	1840	return find $path;
…		…
1424	my ($self) = @_;	1851	my ($self) = @_;
1425		1852
1426	local $self->{deny_reset} = 1; # loading can take a long time	1853	local $self->{deny_reset} = 1; # loading can take a long time
1427		1854
1428	my $path = $self->{path};	1855	my $path = $self->{path};
		1856
		1857	{
		1858	my $guard1 = cf::lock_acquire "map_data:$path";
1429	my $guard = cf::lock_acquire "map_load:$path";	1859	my $guard2 = cf::lock_acquire "map_load:$path";
1430		1860
1431	return if $self->in_memory != cf::MAP_SWAPPED;	1861	return if $self->in_memory != cf::MAP_SWAPPED;
1432		1862
1433	$self->in_memory (cf::MAP_LOADING);	1863	$self->in_memory (cf::MAP_LOADING);
1434		1864
1435	$self->alloc;	1865	$self->alloc;
1436		1866
1437	$self->pre_load;	1867	$self->pre_load;
		1868	cf::cede_to_tick;
1438		1869
1439	$self->_load_objects ($self->{load_path}, 1)	1870	$self->_load_objects ($self->{load_path}, 1)
1440	or return;	1871	or return;
1441		1872
1442	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1873	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1443	if delete $self->{load_original};	1874	if delete $self->{load_original};
1444		1875
1445	if (my $uniq = $self->uniq_path) {	1876	if (my $uniq = $self->uniq_path) {
1446	utf8::encode $uniq;	1877	utf8::encode $uniq;
1447	if (aio_open $uniq, O_RDONLY, 0) {	1878	if (aio_open $uniq, O_RDONLY, 0) {
1448	$self->clear_unique_items;	1879	$self->clear_unique_items;
1449	$self->_load_objects ($uniq, 0);	1880	$self->_load_objects ($uniq, 0);
1450	}	1881	}
1451	}	1882	}
1452		1883
1453	Coro::cede;	1884	cf::cede_to_tick;
1454
1455	# now do the right thing for maps	1885	# now do the right thing for maps
1456	$self->link_multipart_objects;	1886	$self->link_multipart_objects;
1457
1458	unless ($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)	1887	$self->difficulty ($self->estimate_difficulty)
1465	unless $self->difficulty;	1888	unless $self->difficulty;
1466	Coro::cede;	1889	cf::cede_to_tick;
		1890
		1891	unless ($self->{deny_activate}) {
		1892	$self->decay_objects;
		1893	$self->fix_auto_apply;
		1894	$self->update_buttons;
		1895	cf::cede_to_tick;
		1896	$self->set_darkness_map;
		1897	cf::cede_to_tick;
1467	$self->activate;	1898	$self->activate;
		1899	}
		1900
		1901	$self->{last_save} = $cf::RUNTIME;
		1902	$self->last_access ($cf::RUNTIME);
		1903
		1904	$self->in_memory (cf::MAP_IN_MEMORY);
1468	}	1905	}
1469		1906
1470	$self->post_load;	1907	$self->post_load;
1471
1472	$self->in_memory (cf::MAP_IN_MEMORY);
1473	}	1908	}
1474		1909
1475	sub customise_for {	1910	sub customise_for {
1476	my ($self, $ob) = @_;	1911	my ($self, $ob) = @_;
1477		1912
1478	return find "~" . $ob->name . "/" . $self->{path}	1913	return find "~" . $ob->name . "/" . $self->{path}
1479	if $self->per_player;	1914	if $self->per_player;
1480		1915
		1916	# return find "?party/" . $ob->name . "/" . $self->{path}
		1917	# if $self->per_party;
		1918
1481	$self	1919	$self
1482	}	1920	}
1483		1921
1484	# find and load all maps in the 3x3 area around a map	1922	# find and load all maps in the 3x3 area around a map
1485	sub load_diag {	1923	sub load_neighbours {
1486	my ($map) = @_;	1924	my ($map) = @_;
1487		1925
1488	my @diag; # diagonal neighbours	1926	my @neigh; # diagonal neighbours
1489		1927
1490	for (0 .. 3) {	1928	for (0 .. 3) {
1491	my $neigh = $map->tile_path ($_)	1929	my $neigh = $map->tile_path ($_)
1492	or next;	1930	or next;
1493	$neigh = find $neigh, $map	1931	$neigh = find $neigh, $map
1494	or next;	1932	or next;
1495	$neigh->load;	1933	$neigh->load;
1496		1934
		1935	push @neigh,
1497	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	1936	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1498	[$neigh->tile_path (($_ + 1) % 4), $neigh];	1937	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1499	}	1938	}
1500		1939
1501	for (@diag) {	1940	for (grep defined $_->[0], @neigh) {
		1941	my ($path, $origin) = @$_;
1502	my $neigh = find @$_	1942	my $neigh = find $path, $origin
1503	or next;	1943	or next;
1504	$neigh->load;	1944	$neigh->load;
1505	}	1945	}
1506	}	1946	}
1507		1947
…		…
1512	}	1952	}
1513		1953
1514	sub do_load_sync {	1954	sub do_load_sync {
1515	my ($map) = @_;	1955	my ($map) = @_;
1516		1956
		1957	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		1958	if $Coro::current == $Coro::main;
		1959
1517	cf::sync_job { $map->load };	1960	cf::sync_job { $map->load };
1518	}	1961	}
1519		1962
1520	our %MAP_PREFETCH;	1963	our %MAP_PREFETCH;
1521	our $MAP_PREFETCHER = undef;	1964	our $MAP_PREFETCHER = undef;
1522		1965
1523	sub find_async {	1966	sub find_async {
1524	my ($path, $origin) = @_;	1967	my ($path, $origin, $load) = @_;
1525		1968
1526	$path = normalise $path, $origin && $origin->{path};	1969	$path = normalise $path, $origin && $origin->{path};
1527		1970
1528	if (my $map = $cf::MAP{$path}) {	1971	if (my $map = $cf::MAP{$path}) {
1529	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	1972	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1530	}	1973	}
1531		1974
1532	undef $MAP_PREFETCH{$path};	1975	$MAP_PREFETCH{$path} |= $load;
		1976
1533	$MAP_PREFETCHER ||= cf::async {	1977	$MAP_PREFETCHER ||= cf::async {
1534	while (%MAP_PREFETCH) {	1978	while (%MAP_PREFETCH) {
1535	for my $path (keys %MAP_PREFETCH) {	1979	while (my ($k, $v) = each %MAP_PREFETCH) {
1536	my $map = find $path	1980	if (my $map = find $k) {
1537	or next;
1538	$map->load;	1981	$map->load if $v;
		1982	}
1539		1983
1540	delete $MAP_PREFETCH{$path};	1984	delete $MAP_PREFETCH{$k};
1541	}	1985	}
1542	}	1986	}
1543	undef $MAP_PREFETCHER;	1987	undef $MAP_PREFETCHER;
1544	};	1988	};
1545	$MAP_PREFETCHER->prio (6);	1989	$MAP_PREFETCHER->prio (6);
…		…
1548	}	1992	}
1549		1993
1550	sub save {	1994	sub save {
1551	my ($self) = @_;	1995	my ($self) = @_;
1552		1996
1553	my $lock = cf::lock_acquire "map_data:" . $self->path;	1997	my $lock = cf::lock_acquire "map_data:$self->{path}";
1554		1998
1555	$self->{last_save} = $cf::RUNTIME;	1999	$self->{last_save} = $cf::RUNTIME;
1556		2000
1557	return unless $self->dirty;	2001	return unless $self->dirty;
1558		2002
…		…
1581	my ($self) = @_;	2025	my ($self) = @_;
1582		2026
1583	# save first because save cedes	2027	# save first because save cedes
1584	$self->save;	2028	$self->save;
1585		2029
1586	my $lock = cf::lock_acquire "map_data:" . $self->path;	2030	my $lock = cf::lock_acquire "map_data:$self->{path}";
1587		2031
1588	return if $self->players;	2032	return if $self->players;
1589	return if $self->in_memory != cf::MAP_IN_MEMORY;	2033	return if $self->in_memory != cf::MAP_IN_MEMORY;
1590	return if $self->{deny_save};	2034	return if $self->{deny_save};
1591		2035
…		…
1595		2039
1596	sub reset_at {	2040	sub reset_at {
1597	my ($self) = @_;	2041	my ($self) = @_;
1598		2042
1599	# TODO: safety, remove and allow resettable per-player maps	2043	# 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};	2044	return 1e99 if $self->{deny_reset};
1602		2045
1603	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2046	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1604	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2047	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1605		2048
…		…
1616	my ($self) = @_;	2059	my ($self) = @_;
1617		2060
1618	my $lock = cf::lock_acquire "map_data:$self->{path}";	2061	my $lock = cf::lock_acquire "map_data:$self->{path}";
1619		2062
1620	return if $self->players;	2063	return if $self->players;
1621	return if $self->isa ("ext::map_per_player");#d#
1622		2064
1623	warn "resetting map ", $self->path;#d#	2065	warn "resetting map ", $self->path;
1624		2066
1625	$self->in_memory (cf::MAP_SWAPPED);	2067	$self->in_memory (cf::MAP_SWAPPED);
1626		2068
1627	# need to save uniques path	2069	# need to save uniques path
1628	unless ($self->{deny_save}) {	2070	unless ($self->{deny_save}) {
…		…
1645	my $nuke_counter = "aaaa";	2087	my $nuke_counter = "aaaa";
1646		2088
1647	sub nuke {	2089	sub nuke {
1648	my ($self) = @_;	2090	my ($self) = @_;
1649		2091
		2092	{
		2093	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2094
1650	delete $cf::MAP{$self->path};	2095	delete $cf::MAP{$self->path};
1651		2096
1652	$self->unlink_save;	2097	$self->unlink_save;
1653		2098
1654	bless $self, "cf::map";	2099	bless $self, "cf::map";
1655	delete $self->{deny_reset};	2100	delete $self->{deny_reset};
1656	$self->{deny_save} = 1;	2101	$self->{deny_save} = 1;
1657	$self->reset_timeout (1);	2102	$self->reset_timeout (1);
1658	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2103	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1659		2104
1660	$cf::MAP{$self->path} = $self;	2105	$cf::MAP{$self->path} = $self;
		2106	}
1661		2107
1662	$self->reset; # polite request, might not happen	2108	$self->reset; # polite request, might not happen
		2109	}
		2110
		2111	=item $maps = cf::map::tmp_maps
		2112
		2113	Returns an arrayref with all map paths of currently instantiated and saved
		2114	maps. May block.
		2115
		2116	=cut
		2117
		2118	sub tmp_maps() {
		2119	[
		2120	map {
		2121	utf8::decode $_;
		2122	/\.map$/
		2123	? normalise $_
		2124	: ()
		2125	} @{ aio_readdir $TMPDIR or [] }
		2126	]
		2127	}
		2128
		2129	=item $maps = cf::map::random_maps
		2130
		2131	Returns an arrayref with all map paths of currently instantiated and saved
		2132	random maps. May block.
		2133
		2134	=cut
		2135
		2136	sub random_maps() {
		2137	[
		2138	map {
		2139	utf8::decode $_;
		2140	/\.map$/
		2141	? normalise "?random/$_"
		2142	: ()
		2143	} @{ aio_readdir $RANDOMDIR or [] }
		2144	]
1663	}	2145	}
1664		2146
1665	=item cf::map::unique_maps	2147	=item cf::map::unique_maps
1666		2148
1667	Returns an arrayref of paths of all shared maps that have	2149	Returns an arrayref of paths of all shared maps that have
1668	instantiated unique items. May block.	2150	instantiated unique items. May block.
1669		2151
1670	=cut	2152	=cut
1671		2153
1672	sub unique_maps() {	2154	sub unique_maps() {
1673	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2155	[
1674	or return;	2156	map {
1675
1676	my @paths;
1677
1678	for (@$files) {
1679	utf8::decode $_;	2157	utf8::decode $_;
1680	next if /\.pst$/;	2158	/\.map$/
1681	next unless /^$PATH_SEP/o;	2159	? normalise $_
1682		2160	: ()
1683	push @paths, cf::map::normalise $_;	2161	} @{ aio_readdir $UNIQUEDIR or [] }
1684	}	2162	]
1685
1686	\@paths
1687	}	2163	}
1688		2164
1689	package cf;	2165	package cf;
1690		2166
1691	=back	2167	=back
…		…
1737		2213
1738	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2214	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1739		2215
1740	if ($self->{record_replies}) {	2216	if ($self->{record_replies}) {
1741	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2217	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2218
1742	} else {	2219	} else {
		2220	my $pl = $self->contr;
		2221
		2222	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2223	my $dialog = $pl->{npc_dialog};
		2224	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2225
		2226	} else {
1743	$msg = $npc->name . " says: $msg" if $npc;	2227	$msg = $npc->name . " says: $msg" if $npc;
1744	$self->message ($msg, $flags);	2228	$self->message ($msg, $flags);
		2229	}
1745	}	2230	}
		2231	}
		2232
		2233	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2234
		2235	=cut
		2236
		2237	sub cf::object::send_msg {
		2238	my $pl = shift->contr
		2239	or return;
		2240	$pl->send_msg (@_);
1746	}	2241	}
1747		2242
1748	=item $player_object->may ("access")	2243	=item $player_object->may ("access")
1749		2244
1750	Returns wether the given player is authorized to access resource "access"	2245	Returns wether the given player is authorized to access resource "access"
…		…
1797	$self->deactivate_recursive;	2292	$self->deactivate_recursive;
1798		2293
1799	return if UNIVERSAL::isa $self->map, "ext::map_link";	2294	return if UNIVERSAL::isa $self->map, "ext::map_link";
1800		2295
1801	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2296	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1802	if $self->map;	2297	if $self->map && $self->map->{path} ne "{link}";
1803		2298
1804	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2299	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1805	}	2300	}
1806		2301
1807	sub cf::object::player::leave_link {	2302	sub cf::object::player::leave_link {
1808	my ($self, $map, $x, $y) = @_;	2303	my ($self, $map, $x, $y) = @_;
		2304
		2305	return unless $self->contr->active;
1809		2306
1810	my $link_pos = delete $self->{_link_pos};	2307	my $link_pos = delete $self->{_link_pos};
1811		2308
1812	unless ($map) {	2309	unless ($map) {
1813	# restore original map position	2310	# restore original map position
…		…
1827	# use -1 or undef as default coordinates, not 0, 0	2324	# use -1 or undef as default coordinates, not 0, 0
1828	($x, $y) = ($map->enter_x, $map->enter_y)	2325	($x, $y) = ($map->enter_x, $map->enter_y)
1829	if $x <=0 && $y <= 0;	2326	if $x <=0 && $y <= 0;
1830		2327
1831	$map->load;	2328	$map->load;
1832	$map->load_diag;	2329	$map->load_neighbours;
1833		2330
1834	return unless $self->contr->active;	2331	return unless $self->contr->active;
1835	$self->activate_recursive;	2332	$self->activate_recursive;
1836		2333
1837	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2334	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1838	$self->enter_map ($map, $x, $y);	2335	$self->enter_map ($map, $x, $y);
1839	}	2336	}
1840		2337
1841	cf::player->attach (	2338	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1842	on_logout => sub {
1843	my ($pl) = @_;
1844		2339
1845	# abort map switching before logout	2340	Moves the player to the given map-path and coordinates by first freezing
1846	if ($pl->ob->{_link_pos}) {	2341	her, loading and preparing them map, calling the provided $check callback
1847	cf::sync_job {	2342	that has to return the map if sucecssful, and then unfreezes the player on
1848	$pl->ob->leave_link	2343	the new (success) or old (failed) map position. In either case, $done will
1849	};	2344	be called at the end of this process.
1850	}
1851	},
1852	on_login => sub {
1853	my ($pl) = @_;
1854		2345
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	2346	=cut
		2347
		2348	our $GOTOGEN;
1876		2349
1877	sub cf::object::player::goto {	2350	sub cf::object::player::goto {
1878	my ($self, $path, $x, $y) = @_;	2351	my ($self, $path, $x, $y, $check, $done) = @_;
		2352
		2353	# do generation counting so two concurrent goto's will be executed in-order
		2354	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1879		2355
1880	$self->enter_link;	2356	$self->enter_link;
1881		2357
1882	(async {	2358	(async {
1883	my $map = eval {	2359	my $map = eval {
1884	my $map = cf::map::find $path;	2360	my $map = cf::map::find $path;
		2361
		2362	if ($map) {
1885	$map = $map->customise_for ($self) if $map;	2363	$map = $map->customise_for ($self);
		2364	$map = $check->($map) if $check && $map;
		2365	} else {
		2366	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
		2367	}
		2368
1886	$map	2369	$map
		2370	};
		2371
		2372	if ($@) {
		2373	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2374	LOG llevError | logBacktrace, Carp::longmess $@;
1887	} or	2375	}
1888	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1889		2376
		2377	if ($gen == $self->{_goto_generation}) {
		2378	delete $self->{_goto_generation};
1890	$self->leave_link ($map, $x, $y);	2379	$self->leave_link ($map, $x, $y);
		2380	}
		2381
		2382	$done->() if $done;
1891	})->prio (1);	2383	})->prio (1);
1892	}	2384	}
1893		2385
1894	=item $player_object->enter_exit ($exit_object)	2386	=item $player_object->enter_exit ($exit_object)
1895		2387
…		…
1934		2426
1935	$rmp->{random_seed} ||= $exit->random_seed;	2427	$rmp->{random_seed} ||= $exit->random_seed;
1936		2428
1937	my $data = cf::to_json $rmp;	2429	my $data = cf::to_json $rmp;
1938	my $md5 = Digest::MD5::md5_hex $data;	2430	my $md5 = Digest::MD5::md5_hex $data;
1939	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2431	my $meta = "$RANDOMDIR/$md5.meta";
1940		2432
1941	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2433	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1942	aio_write $fh, 0, (length $data), $data, 0;	2434	aio_write $fh, 0, (length $data), $data, 0;
1943	undef $fh;	2435	undef $fh;
1944	aio_rename "$meta~", $meta;	2436	aio_rename "$meta~", $meta;
…		…
1953		2445
1954	return unless $self->type == cf::PLAYER;	2446	return unless $self->type == cf::PLAYER;
1955		2447
1956	if ($exit->slaying eq "/!") {	2448	if ($exit->slaying eq "/!") {
1957	#TODO: this should de-fi-ni-te-ly not be a sync-job	2449	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2450	# the problem is that $exit might not survive long enough
		2451	# so it needs to be done right now, right here
1958	cf::sync_job { prepare_random_map $exit };	2452	cf::sync_job { prepare_random_map $exit };
1959	}	2453	}
1960		2454
1961	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2455	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1962	my $hp = $exit->stats->hp;	2456	my $hp = $exit->stats->hp;
1963	my $sp = $exit->stats->sp;	2457	my $sp = $exit->stats->sp;
1964		2458
1965	$self->enter_link;	2459	$self->enter_link;
		2460
		2461	# if exit is damned, update players death & WoR home-position
		2462	$self->contr->savebed ($slaying, $hp, $sp)
		2463	if $exit->flag (FLAG_DAMNED);
1966		2464
1967	(async {	2465	(async {
1968	$self->deactivate_recursive; # just to be sure	2466	$self->deactivate_recursive; # just to be sure
1969	unless (eval {	2467	unless (eval {
1970	$self->goto ($slaying, $hp, $sp);	2468	$self->goto ($slaying, $hp, $sp);
1971		2469
1972	1;	2470	1;
1973	}) {	2471	}) {
1974	$self->message ("Something went wrong deep within the crossfire server. "	2472	$self->message ("Something went wrong deep within the crossfire server. "
1975	. "I'll try to bring you back to the map you were before. "	2473	. "I'll try to bring you back to the map you were before. "
1976	. "Please report this to the dungeon master!",	2474	. "Please report this to the dungeon master!",
1977	cf::NDI_UNIQUE | cf::NDI_RED);	2475	cf::NDI_UNIQUE | cf::NDI_RED);
1978		2476
1979	warn "ERROR in enter_exit: $@";	2477	warn "ERROR in enter_exit: $@";
1980	$self->leave_link;	2478	$self->leave_link;
1981	}	2479	}
1982	})->prio (1);	2480	})->prio (1);
…		…
1995		2493
1996	sub cf::client::send_drawinfo {	2494	sub cf::client::send_drawinfo {
1997	my ($self, $text, $flags) = @_;	2495	my ($self, $text, $flags) = @_;
1998		2496
1999	utf8::encode $text;	2497	utf8::encode $text;
2000	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2498	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2001	}	2499	}
2002		2500
		2501	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2502
		2503	Send a drawinfo or msg packet to the client, formatting the msg for the
		2504	client if neccessary. C<$type> should be a string identifying the type of
		2505	the message, with C<log> being the default. If C<$color> is negative, suppress
		2506	the message unless the client supports the msg packet.
		2507
		2508	=cut
		2509
		2510	our %CHANNEL = (
		2511	"c/identify" => {
		2512	id => "identify",
		2513	title => "Identify",
		2514	reply => undef,
		2515	tooltip => "Items recently identified",
		2516	},
		2517	"c/examine" => {
		2518	id => "examine",
		2519	title => "Examine",
		2520	reply => undef,
		2521	tooltip => "Signs and other items you examined",
		2522	},
		2523	);
		2524
		2525	sub cf::client::send_msg {
		2526	my ($self, $channel, $msg, $color, @extra) = @_;
		2527
		2528	$msg = $self->pl->expand_cfpod ($msg);
		2529
		2530	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2531
		2532	# check predefined channels, for the benefit of C
		2533	$channel = $CHANNEL{$channel} if $CHANNEL{$channel};
		2534
		2535	if (ref $channel) {
		2536	# send meta info to client, if not yet sent
		2537	unless (exists $self->{channel}{$channel->{id}}) {
		2538	$self->{channel}{$channel->{id}} = $channel;
		2539	$self->ext_msg (channel_info => $channel)
		2540	if $self->can_msg;
		2541	}
		2542
		2543	$channel = $channel->{id};
		2544	}
		2545
		2546	return unless @extra || length $msg;
		2547
		2548	if ($self->can_msg) {
		2549	# default colour, mask it out
		2550	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2551	if $color & cf::NDI_DEF;
		2552
		2553	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2554	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2555	} else {
		2556	if ($color >= 0) {
		2557	# replace some tags by gcfclient-compatible ones
		2558	for ($msg) {
		2559	1 while
		2560	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2561	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2562	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2563	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2564	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2565	}
		2566
		2567	$color &= cf::NDI_COLOR_MASK;
		2568
		2569	utf8::encode $msg;
		2570
		2571	if (0 && $msg =~ /\[/) {
		2572	# COMMAND/INFO
		2573	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2574	} else {
		2575	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2576	$self->send_packet ("drawinfo $color $msg")
		2577	}
		2578	}
		2579	}
		2580	}
		2581
		2582	=item $client->ext_msg ($type, @msg)
		2583
		2584	Sends an ext event to the client.
		2585
		2586	=cut
		2587
		2588	sub cf::client::ext_msg($$@) {
		2589	my ($self, $type, @msg) = @_;
		2590
		2591	if ($self->extcmd == 2) {
		2592	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2593	} elsif ($self->extcmd == 1) { # TODO: remove
		2594	push @msg, msgtype => "event_$type";
		2595	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2596	}
		2597	}
		2598
		2599	=item $client->ext_reply ($msgid, @msg)
		2600
		2601	Sends an ext reply to the client.
		2602
		2603	=cut
		2604
		2605	sub cf::client::ext_reply($$@) {
		2606	my ($self, $id, @msg) = @_;
		2607
		2608	if ($self->extcmd == 2) {
		2609	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2610	} elsif ($self->extcmd == 1) {
		2611	#TODO: version 1, remove
		2612	unshift @msg, msgtype => "reply", msgid => $id;
		2613	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2614	}
		2615	}
2003		2616
2004	=item $success = $client->query ($flags, "text", \&cb)	2617	=item $success = $client->query ($flags, "text", \&cb)
2005		2618
2006	Queues a query to the client, calling the given callback with	2619	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>,	2620	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>.	2621	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
2009		2622
2010	Queries can fail, so check the return code. Or don't, as queries will become	2623	Queries can fail, so check the return code. Or don't, as queries will
2011	reliable at some point in the future.	2624	become reliable at some point in the future.
2012		2625
2013	=cut	2626	=cut
2014		2627
2015	sub cf::client::query {	2628	sub cf::client::query {
2016	my ($self, $flags, $text, $cb) = @_;	2629	my ($self, $flags, $text, $cb) = @_;
…		…
2024	utf8::encode $text;	2637	utf8::encode $text;
2025	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2638	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2026		2639
2027	$self->send_packet ($self->{query_queue}[0][0])	2640	$self->send_packet ($self->{query_queue}[0][0])
2028	if @{ $self->{query_queue} } == 1;	2641	if @{ $self->{query_queue} } == 1;
		2642
		2643	1
2029	}	2644	}
2030		2645
2031	cf::client->attach (	2646	cf::client->attach (
		2647	on_connect => sub {
		2648	my ($ns) = @_;
		2649
		2650	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2651	},
2032	on_reply => sub {	2652	on_reply => sub {
2033	my ($ns, $msg) = @_;	2653	my ($ns, $msg) = @_;
2034		2654
2035	# this weird shuffling is so that direct followup queries	2655	# this weird shuffling is so that direct followup queries
2036	# get handled first	2656	# get handled first
…		…
2048	} else {	2668	} else {
2049	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2669	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2050	}	2670	}
2051	}	2671	}
2052	},	2672	},
		2673	on_exticmd => sub {
		2674	my ($ns, $buf) = @_;
		2675
		2676	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2677
		2678	if (ref $msg) {
		2679	my ($type, $reply, @payload) =
		2680	"ARRAY" eq ref $msg
		2681	? @$msg
		2682	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2683
		2684	my @reply;
		2685
		2686	if (my $cb = $EXTICMD{$type}) {
		2687	@reply = $cb->($ns, @payload);
		2688	}
		2689
		2690	$ns->ext_reply ($reply, @reply)
		2691	if $reply;
		2692
		2693	} else {
		2694	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2695	}
		2696
		2697	cf::override;
		2698	},
2053	);	2699	);
2054		2700
2055	=item $client->async (\&cb)	2701	=item $client->async (\&cb)
2056		2702
2057	Create a new coroutine, running the specified callback. The coroutine will	2703	Create a new coroutine, running the specified callback. The coroutine will
…		…
2098	our $safe = new Safe "safe";	2744	our $safe = new Safe "safe";
2099	our $safe_hole = new Safe::Hole;	2745	our $safe_hole = new Safe::Hole;
2100		2746
2101	$SIG{FPE} = 'IGNORE';	2747	$SIG{FPE} = 'IGNORE';
2102		2748
2103	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	2749	$safe->permit_only (Opcode::opset qw(
		2750	:base_core :base_mem :base_orig :base_math
		2751	grepstart grepwhile mapstart mapwhile
		2752	sort time
		2753	));
2104		2754
2105	# here we export the classes and methods available to script code	2755	# here we export the classes and methods available to script code
2106		2756
2107	=pod	2757	=pod
2108		2758
2109	The following fucntions and emthods are available within a safe environment:	2759	The following functions and methods are available within a safe environment:
2110		2760
2111	cf::object contr pay_amount pay_player map	2761	cf::object
		2762	contr pay_amount pay_player map x y force_find force_add
		2763	insert remove name archname title slaying race decrease_ob_nr
		2764
2112	cf::object::player player	2765	cf::object::player
2113	cf::player peaceful	2766	player
2114	cf::map trigger	2767
		2768	cf::player
		2769	peaceful
		2770
		2771	cf::map
		2772	trigger
2115		2773
2116	=cut	2774	=cut
2117		2775
2118	for (	2776	for (
2119	["cf::object" => qw(contr pay_amount pay_player map)],	2777	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		2778	insert remove inv name archname title slaying race
		2779	decrease_ob_nr)],
2120	["cf::object::player" => qw(player)],	2780	["cf::object::player" => qw(player)],
2121	["cf::player" => qw(peaceful)],	2781	["cf::player" => qw(peaceful)],
2122	["cf::map" => qw(trigger)],	2782	["cf::map" => qw(trigger)],
2123	) {	2783	) {
2124	no strict 'refs';	2784	no strict 'refs';
…		…
2195	=back	2855	=back
2196		2856
2197	=cut	2857	=cut
2198		2858
2199	#############################################################################	2859	#############################################################################
2200
2201	=head2 EXTENSION DATABASE SUPPORT
2202
2203	Crossfire maintains a very simple database for extension use. It can
2204	currently store anything that can be serialised using Storable, which
2205	excludes objects.
2206
2207	The parameter C<$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 $_[2], 0, sub { };
2269	}
2270
2271	#############################################################################
2272	# the server's init and main functions	2860	# the server's init and main functions
2273		2861
2274	sub load_faces {	2862	sub load_facedata($) {
2275	my $path = sprintf "%s/faces", cf::datadir;	2863	my ($path) = @_;
2276		2864
		2865	# HACK to clear player env face cache, we need some signal framework
		2866	# for this (global event?)
		2867	%ext::player_env::MUSIC_FACE_CACHE = ();
		2868
		2869	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		2870
2277	warn "loading faces from $path\n";	2871	warn "loading facedata from $path\n";
2278		2872
2279	my $faces;	2873	my $facedata;
2280	0 < aio_load $path, $faces	2874	0 < aio_load $path, $facedata
2281	or die "$path: $!";	2875	or die "$path: $!";
2282		2876
2283	Coro::cede;
2284	$faces = Storable::thaw $faces;	2877	$facedata = Coro::Storable::thaw $facedata;
2285	Coro::cede;
2286		2878
		2879	$facedata->{version} == 2
		2880	or cf::cleanup "$path: version mismatch, cannot proceed.";
		2881
		2882	# patch in the exptable
		2883	$facedata->{resource}{"res/exp_table"} = {
		2884	type => FT_RSRC,
		2885	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		2886	};
		2887	cf::cede_to_tick;
		2888
		2889	{
		2890	my $faces = $facedata->{faceinfo};
		2891
2287	while (my ($face, $info) = each %$faces) {	2892	while (my ($face, $info) = each %$faces) {
2288	my $idx = (cf::face::find $face) || cf::face::alloc $face;	2893	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	2894	cf::face::set_visibility $idx, $info->{visibility};
		2895	cf::face::set_magicmap $idx, $info->{magicmap};
2290	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	2896	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2291	Coro::cede;	2897	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		2898
		2899	cf::cede_to_tick;
		2900	}
		2901
		2902	while (my ($face, $info) = each %$faces) {
		2903	next unless $info->{smooth};
		2904	my $idx = cf::face::find $face
		2905	or next;
		2906	if (my $smooth = cf::face::find $info->{smooth}) {
		2907	cf::face::set_smooth $idx, $smooth;
		2908	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		2909	} else {
		2910	warn "smooth face '$info->{smooth}' not found for face '$face'";
		2911	}
		2912
		2913	cf::cede_to_tick;
		2914	}
		2915	}
		2916
		2917	{
		2918	my $anims = $facedata->{animinfo};
		2919
		2920	while (my ($anim, $info) = each %$anims) {
		2921	cf::anim::set $anim, $info->{frames}, $info->{facings};
		2922	cf::cede_to_tick;
		2923	}
		2924
		2925	cf::anim::invalidate_all; # d'oh
		2926	}
		2927
		2928	{
		2929	# TODO: for gcfclient pleasure, we should give resources
		2930	# that gcfclient doesn't grok a >10000 face index.
		2931	my $res = $facedata->{resource};
		2932
		2933	my $soundconf = delete $res->{"res/sound.conf"};
		2934
		2935	while (my ($name, $info) = each %$res) {
		2936	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		2937	my $data;
		2938
		2939	if ($info->{type} & 1) {
		2940	# prepend meta info
		2941
		2942	my $meta = $enc->encode ({
		2943	name => $name,
		2944	%{ $info->{meta} || {} },
		2945	});
		2946
		2947	$data = pack "(w/a*)*", $meta, $info->{data};
		2948	} else {
		2949	$data = $info->{data};
		2950	}
		2951
		2952	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		2953	cf::face::set_type $idx, $info->{type};
		2954
		2955	cf::cede_to_tick;
		2956	}
		2957
		2958	if ($soundconf) {
		2959	$soundconf = $enc->decode (delete $soundconf->{data});
		2960
		2961	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		2962	my $sound = $soundconf->{compat}[$_]
		2963	or next;
		2964
		2965	my $face = cf::face::find "sound/$sound->[1]";
		2966	cf::sound::set $sound->[0] => $face;
		2967	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		2968	}
		2969
		2970	while (my ($k, $v) = each %{$soundconf->{event}}) {
		2971	my $face = cf::face::find "sound/$v";
		2972	cf::sound::set $k => $face;
		2973	}
		2974	}
2292	}	2975	}
2293		2976
2294	1	2977	1
2295	}	2978	}
2296		2979
		2980	register_exticmd fx_want => sub {
		2981	my ($ns, $want) = @_;
		2982
		2983	while (my ($k, $v) = each %$want) {
		2984	$ns->fx_want ($k, $v);
		2985	}
		2986	};
		2987
		2988	sub reload_regions {
		2989	# HACK to clear player env face cache, we need some signal framework
		2990	# for this (global event?)
		2991	%ext::player_env::MUSIC_FACE_CACHE = ();
		2992
		2993	load_resource_file "$MAPDIR/regions"
		2994	or die "unable to load regions file\n";
		2995
		2996	for (cf::region::list) {
		2997	$_->{match} = qr/$_->{match}/
		2998	if exists $_->{match};
		2999	}
		3000	}
		3001
		3002	sub reload_facedata {
		3003	load_facedata "$DATADIR/facedata"
		3004	or die "unable to load facedata\n";
		3005	}
		3006
		3007	sub reload_archetypes {
		3008	load_resource_file "$DATADIR/archetypes"
		3009	or die "unable to load archetypes\n";
		3010	#d# NEED to laod twice to resolve forward references
		3011	# this really needs to be done in an extra post-pass
		3012	# (which needs to be synchronous, so solve it differently)
		3013	load_resource_file "$DATADIR/archetypes"
		3014	or die "unable to load archetypes\n";
		3015	}
		3016
		3017	sub reload_treasures {
		3018	load_resource_file "$DATADIR/treasures"
		3019	or die "unable to load treasurelists\n";
		3020	}
		3021
2297	sub reload_resources {	3022	sub reload_resources {
2298	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3023	warn "reloading resource files...\n";
2299	or die "unable to load regions file\n";#d#	3024
		3025	reload_regions;
2300	load_faces	3026	reload_facedata;
2301	or die "unable to load faces\n";#d#	3027	#reload_archetypes;#d#
		3028	reload_archetypes;
		3029	reload_treasures;
		3030
		3031	warn "finished reloading resource files\n";
2302	}	3032	}
2303		3033
2304	sub init {	3034	sub init {
2305	reload_resources;	3035	reload_resources;
2306	}	3036	}
2307		3037
2308	sub cfg_load {	3038	sub reload_config {
2309	open my $fh, "<:utf8", cf::confdir . "/config"	3039	open my $fh, "<:utf8", "$CONFDIR/config"
2310	or return;	3040	or return;
2311		3041
2312	local $/;	3042	local $/;
2313	*CFG = YAML::Syck::Load <$fh>;	3043	*CFG = YAML::Syck::Load <$fh>;
2314		3044
…		…
2333	(async {	3063	(async {
2334	Event::one_event;	3064	Event::one_event;
2335	})->prio (Coro::PRIO_MAX);	3065	})->prio (Coro::PRIO_MAX);
2336	};	3066	};
2337		3067
2338	cfg_load;	3068	reload_config;
2339	db_init;	3069	db_init;
2340	load_extensions;	3070	load_extensions;
2341		3071
2342	$TICK_WATCHER->start;	3072	$TICK_WATCHER->start;
2343	Event::loop;	3073	Event::loop;
…		…
2359	},	3089	},
2360	);	3090	);
2361	}	3091	}
2362	}	3092	}
2363		3093
		3094	sub write_runtime {
		3095	my $runtime = "$LOCALDIR/runtime";
		3096
		3097	# first touch the runtime file to show we are still running:
		3098	# the fsync below can take a very very long time.
		3099
		3100	IO::AIO::aio_utime $runtime, undef, undef;
		3101
		3102	my $guard = cf::lock_acquire "write_runtime";
		3103
		3104	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3105	or return;
		3106
		3107	my $value = $cf::RUNTIME + 90 + 10;
		3108	# 10 is the runtime save interval, for a monotonic clock
		3109	# 60 allows for the watchdog to kill the server.
		3110
		3111	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3112	and return;
		3113
		3114	# always fsync - this file is important
		3115	aio_fsync $fh
		3116	and return;
		3117
		3118	# touch it again to show we are up-to-date
		3119	aio_utime $fh, undef, undef;
		3120
		3121	close $fh
		3122	or return;
		3123
		3124	aio_rename "$runtime~", $runtime
		3125	and return;
		3126
		3127	warn "runtime file written.\n";
		3128
		3129	1
		3130	}
		3131
2364	sub emergency_save() {	3132	sub emergency_save() {
2365	my $freeze_guard = cf::freeze_mainloop;	3133	my $freeze_guard = cf::freeze_mainloop;
2366		3134
2367	warn "enter emergency perl save\n";	3135	warn "enter emergency perl save\n";
2368		3136
…		…
2399		3167
2400	warn Carp::longmess "post_cleanup backtrace"	3168	warn Carp::longmess "post_cleanup backtrace"
2401	if $make_core;	3169	if $make_core;
2402	}	3170	}
2403		3171
2404	sub reload() {	3172	sub do_reload_perl() {
2405	# can/must only be called in main	3173	# can/must only be called in main
2406	if ($Coro::current != $Coro::main) {	3174	if ($Coro::current != $Coro::main) {
2407	warn "can only reload from main coroutine";	3175	warn "can only reload from main coroutine";
2408	return;	3176	return;
2409	}	3177	}
…		…
2443	%EXT_CORO = ();	3211	%EXT_CORO = ();
2444		3212
2445	warn "removing commands";	3213	warn "removing commands";
2446	%COMMAND = ();	3214	%COMMAND = ();
2447		3215
2448	warn "removing ext commands";	3216	warn "removing ext/exti commands";
2449	%EXTCMD = ();	3217	%EXTCMD = ();
		3218	%EXTICMD = ();
2450		3219
2451	warn "unloading/nuking all extensions";	3220	warn "unloading/nuking all extensions";
2452	for my $pkg (@EXTS) {	3221	for my $pkg (@EXTS) {
2453	warn "... unloading $pkg";	3222	warn "... unloading $pkg";
2454		3223
…		…
2484	Symbol::delete_package "safe::$_"	3253	Symbol::delete_package "safe::$_"
2485	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3254	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2486		3255
2487	warn "unloading cf.pm \"a bit\"";	3256	warn "unloading cf.pm \"a bit\"";
2488	delete $INC{"cf.pm"};	3257	delete $INC{"cf.pm"};
		3258	delete $INC{"cf/pod.pm"};
2489		3259
2490	# don't, removes xs symbols, too,	3260	# don't, removes xs symbols, too,
2491	# and global variables created in xs	3261	# and global variables created in xs
2492	#Symbol::delete_package __PACKAGE__;	3262	#Symbol::delete_package __PACKAGE__;
2493		3263
…		…
2496	warn "reloading cf.pm";	3266	warn "reloading cf.pm";
2497	require cf;	3267	require cf;
2498	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3268	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2499		3269
2500	warn "loading config and database again";	3270	warn "loading config and database again";
2501	cf::cfg_load;	3271	cf::reload_config;
2502		3272
2503	warn "loading extensions";	3273	warn "loading extensions";
2504	cf::load_extensions;	3274	cf::load_extensions;
2505		3275
2506	warn "reattaching attachments to objects/players";	3276	warn "reattaching attachments to objects/players";
…		…
2508	warn "reattaching attachments to maps";	3278	warn "reattaching attachments to maps";
2509	reattach $_ for values %MAP;	3279	reattach $_ for values %MAP;
2510	warn "reattaching attachments to players";	3280	warn "reattaching attachments to players";
2511	reattach $_ for values %PLAYER;	3281	reattach $_ for values %PLAYER;
2512		3282
2513	warn "loading reloadable resources";
2514	reload_resources;
2515
2516	warn "leaving sync_job";	3283	warn "leaving sync_job";
2517		3284
2518	1	3285	1
2519	} or do {	3286	} or do {
2520	warn $@;	3287	warn $@;
…		…
2525	warn "reloaded";	3292	warn "reloaded";
2526	};	3293	};
2527		3294
2528	our $RELOAD_WATCHER; # used only during reload	3295	our $RELOAD_WATCHER; # used only during reload
2529		3296
		3297	sub reload_perl() {
		3298	# doing reload synchronously and two reloads happen back-to-back,
		3299	# coro crashes during coro_state_free->destroy here.
		3300
		3301	$RELOAD_WATCHER ||= Event->timer (
		3302	reentrant => 0,
		3303	after => 0,
		3304	data => WF_AUTOCANCEL,
		3305	cb => sub {
		3306	do_reload_perl;
		3307	undef $RELOAD_WATCHER;
		3308	},
		3309	);
		3310	}
		3311
2530	register_command "reload" => sub {	3312	register_command "reload" => sub {
2531	my ($who, $arg) = @_;	3313	my ($who, $arg) = @_;
2532		3314
2533	if ($who->flag (FLAG_WIZ)) {	3315	if ($who->flag (FLAG_WIZ)) {
2534	$who->message ("reloading server.");	3316	$who->message ("reloading server.");
2535		3317	async { reload_perl };
2536	# doing reload synchronously and two reloads happen back-to-back,
2537	# coro crashes during coro_state_free->destroy here.
2538
2539	$RELOAD_WATCHER ||= Event->timer (
2540	reentrant => 0,
2541	after => 0,
2542	data => WF_AUTOCANCEL,
2543	cb => sub {
2544	reload;
2545	undef $RELOAD_WATCHER;
2546	},
2547	);
2548	}	3318	}
2549	};	3319	};
2550		3320
2551	unshift @INC, $LIBDIR;	3321	unshift @INC, $LIBDIR;
2552		3322
2553	my $bug_warning = 0;	3323	my $bug_warning = 0;
2554		3324
		3325	our @WAIT_FOR_TICK;
		3326	our @WAIT_FOR_TICK_BEGIN;
		3327
		3328	sub wait_for_tick {
		3329	return unless $TICK_WATCHER->is_active;
		3330	return if $Coro::current == $Coro::main;
		3331
		3332	my $signal = new Coro::Signal;
		3333	push @WAIT_FOR_TICK, $signal;
		3334	$signal->wait;
		3335	}
		3336
		3337	sub wait_for_tick_begin {
		3338	return unless $TICK_WATCHER->is_active;
		3339	return if $Coro::current == $Coro::main;
		3340
		3341	my $signal = new Coro::Signal;
		3342	push @WAIT_FOR_TICK_BEGIN, $signal;
		3343	$signal->wait;
		3344	}
		3345
		3346	my $min = 1e6;#d#
		3347	my $avg = 10;
2555	$TICK_WATCHER = Event->timer (	3348	$TICK_WATCHER = Event->timer (
2556	reentrant => 0,	3349	reentrant => 0,
2557	parked => 1,	3350	parked => 1,
2558	prio => 0,	3351	prio => 0,
2559	at => $NEXT_TICK || $TICK,	3352	at => $NEXT_TICK || $TICK,
…		…
2563	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3356	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2564	unless ++$bug_warning > 10;	3357	unless ++$bug_warning > 10;
2565	return;	3358	return;
2566	}	3359	}
2567		3360
2568	$NOW = Event::time;	3361	$NOW = $tick_start = Event::time;
2569		3362
2570	cf::server_tick; # one server iteration	3363	cf::server_tick; # one server iteration
		3364
		3365	0 && sync_job {#d#
		3366	for(1..10) {
		3367	my $t = Event::time;
		3368	my $map = my $map = new_from_path cf::map "/tmp/x.map"
		3369	or die;
		3370
		3371	$map->width (50);
		3372	$map->height (50);
		3373	$map->alloc;
		3374	$map->_load_objects ("/tmp/x.map", 1);
		3375	my $t = Event::time - $t;
		3376
		3377	#next unless $t < 0.0013;#d#
		3378	if ($t < $min) {
		3379	$min = $t;
		3380	}
		3381	$avg = $avg * 0.99 + $t * 0.01;
		3382	}
		3383	warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
		3384	exit 0;
		3385	# 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
		3386	};
		3387
2571	$RUNTIME += $TICK;	3388	$RUNTIME += $TICK;
2572	$NEXT_TICK += $TICK;	3389	$NEXT_TICK += $TICK;
2573		3390
2574	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3391	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2575	$NEXT_RUNTIME_WRITE = $NOW + 10;	3392	$NEXT_RUNTIME_WRITE = $NOW + 10;
…		…
2577	write_runtime	3394	write_runtime
2578	or warn "ERROR: unable to write runtime file: $!";	3395	or warn "ERROR: unable to write runtime file: $!";
2579	};	3396	};
2580	}	3397	}
2581		3398
2582	$WAIT_FOR_TICK->broadcast;
2583	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2584
2585	# my $AFTER = Event::time;	3399	# my $AFTER = Event::time;
2586	# warn $AFTER - $NOW;#d#	3400	# warn $AFTER - $NOW;#d#
2587		3401
		3402	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3403	$sig->send;
		3404	}
		3405	while (my $sig = shift @WAIT_FOR_TICK) {
		3406	$sig->send;
		3407	}
		3408
		3409	$NOW = Event::time;
		3410
2588	# if we are delayed by four ticks or more, skip them all	3411	# if we are delayed by four ticks or more, skip them all
2589	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	3412	$NEXT_TICK = $NOW if $NOW >= $NEXT_TICK + $TICK * 4;
2590		3413
2591	$TICK_WATCHER->at ($NEXT_TICK);	3414	$TICK_WATCHER->at ($NEXT_TICK);
2592	$TICK_WATCHER->start;	3415	$TICK_WATCHER->start;
		3416
		3417	$LOAD = ($NOW - $tick_start) / $TICK;
		3418	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3419
		3420	_post_tick;
		3421
		3422
2593	},	3423	},
2594	);	3424	);
2595		3425
2596	{	3426	{
2597	BDB::max_poll_time $TICK * 0.1;	3427	BDB::max_poll_time $TICK * 0.1;
…		…
2625		3455
2626	cf::sync_job {	3456	cf::sync_job {
2627	eval {	3457	eval {
2628	BDB::db_env_open	3458	BDB::db_env_open
2629	$DB_ENV,	3459	$DB_ENV,
2630	$BDB_ENV_DIR,	3460	$BDBDIR,
2631	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3461	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2632	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3462	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2633	0666;	3463	0666;
2634		3464
2635	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3465	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2636		3466
2637	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);	3467	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2638	$DB_ENV->set_lk_detect;	3468	$DB_ENV->set_lk_detect;
2639	};	3469	};
2640		3470
…		…
2656	prio => 6,	3486	prio => 6,
2657	cb => \&IO::AIO::poll_cb,	3487	cb => \&IO::AIO::poll_cb,
2658	);	3488	);
2659	}	3489	}
2660		3490
		3491	my $_log_backtrace;
		3492
		3493	sub _log_backtrace {
		3494	my ($msg, @addr) = @_;
		3495
		3496	$msg =~ s/\n//;
		3497
		3498	# limit the # of concurrent backtraces
		3499	if ($_log_backtrace < 2) {
		3500	++$_log_backtrace;
		3501	async {
		3502	my @bt = fork_call {
		3503	@addr = map { sprintf "%x", $_ } @addr;
		3504	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3505	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3506	or die "addr2line: $!";
		3507
		3508	my @funcs;
		3509	my @res = <$fh>;
		3510	chomp for @res;
		3511	while (@res) {
		3512	my ($func, $line) = splice @res, 0, 2, ();
		3513	push @funcs, "[$func] $line";
		3514	}
		3515
		3516	@funcs
		3517	};
		3518
		3519	LOG llevInfo, "[ABT] $msg\n";
		3520	LOG llevInfo, "[ABT] $_\n" for @bt;
		3521	--$_log_backtrace;
		3522	};
		3523	} else {
		3524	LOG llevInfo, "[ABT] $msg\n";
		3525	LOG llevInfo, "[ABT] [suppressed]\n";
		3526	}
		3527	}
		3528
		3529	# load additional modules
		3530	use cf::pod;
		3531
2661	END { cf::emergency_save }	3532	END { cf::emergency_save }
2662		3533
2663	1	3534	1
2664		3535

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