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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 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 Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
		60	our $RELOAD; # number of reloads so far
48	our @EVENT;	61	our @EVENT;
49	our $LIBDIR = datadir . "/ext";
50		62
51	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
52	our $TICK_WATCHER;	77	our $TICK_WATCHER;
53	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
54	our $WRITE_RUNTIME_WATCHER;	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55	our $NEXT_TICK;	80	our $NEXT_TICK;
56	our $NOW;
57	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
58		82
59	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
60	our $DB_ENV;	87	our $DB_ENV;
61		88
62	our %CFG;	89	our %CFG;
63		90
64	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
65	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
66		94
67	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
68	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
69	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
70	our $RANDOM_MAPS = cf::localdir . "/random";
71	our $BDB_ENV_DIR = cf::localdir . "/db";
72
73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
75		98
76	# used to convert map paths into valid unix filenames by replacing / by ∕	99	# used to convert map paths into valid unix filenames by replacing / by ∕
77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
78		101
		102	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		103	our $LOADAVG; # same thing, but with alpha-smoothing
		104	our $tick_start; # for load detecting purposes
		105
79	binmode STDOUT;	106	binmode STDOUT;
80	binmode STDERR;	107	binmode STDERR;
81		108
82	# read virtual server time, if available	109	# read virtual server time, if available
83	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
84	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
85	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
86	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
87	}	114	}
88		115
89	mkdir cf::localdir;	116	mkdir $_
90	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
91	mkdir cf::localdir . "/" . cf::tmpdir;
92	mkdir cf::localdir . "/" . cf::uniquedir;
93	mkdir $RANDOM_MAPS;
94	mkdir $BDB_ENV_DIR;
95		118
96	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
97		120
98	sub cf::map::normalise;	121	sub cf::map::normalise;
99		122
…		…
110	=item $cf::RUNTIME	133	=item $cf::RUNTIME
111		134
112	The time this server has run, starts at 0 and is increased by $cf::TICK on	135	The time this server has run, starts at 0 and is increased by $cf::TICK on
113	every server tick.	136	every server tick.
114		137
115	=item $cf::LIBDIR	138	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		139	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		140	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
116		141
117	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
118	be found. It will be added to C<@INC> automatically.	143	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		144	unique-items directory, player file directory, random maps directory and
		145	database environment.
119		146
120	=item $cf::NOW	147	=item $cf::NOW
121		148
122	The time of the last (current) server tick.	149	The time of the last (current) server tick.
123		150
124	=item $cf::TICK	151	=item $cf::TICK
125		152
126	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
127		154
		155	=item $cf::LOADAVG
		156
		157	The current CPU load on the server (alpha-smoothed), as a value between 0
		158	(none) and 1 (overloaded), indicating how much time is spent on processing
		159	objects per tick. Healthy values are < 0.5.
		160
		161	=item $cf::LOAD
		162
		163	The raw value load value from the last tick.
		164
128	=item %cf::CFG	165	=item %cf::CFG
129		166
130	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
131	from wherever your confdir points to.	168	from wherever your confdir points to.
132		169
133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
134		171
135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
137	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
138	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
139		181
140	=back	182	=back
141		183
142	=cut	184	=cut
143		185
144	BEGIN {	186	BEGIN {
145	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
146	my $msg = join "", @_;	188	my $msg = join "", @_;
147	utf8::encode $msg;
148		189
149	$msg .= "\n"	190	$msg .= "\n"
150	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
151		194
152	LOG llevError, $msg;	195	LOG llevError, $msg;
153	};	196	};
154	}	197	}
155		198
156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
158	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
159	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
160	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	203	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		204	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
161	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	205	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
162		206
163	# we bless all objects into (empty) derived classes to force a method lookup	207	# we bless all objects into (empty) derived classes to force a method lookup
164	# within the Safe compartment.	208	# within the Safe compartment.
165	for my $pkg (qw(	209	for my $pkg (qw(
166	cf::global cf::attachable	210	cf::global cf::attachable
…		…
171	)) {	215	)) {
172	no strict 'refs';	216	no strict 'refs';
173	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
174	}	218	}
175		219
176	$Event::DIED = sub {	220	$EV::DIED = sub {
177	warn "error in event callback: @_";	221	warn "error in event callback: @_";
178	};	222	};
		223
		224	#############################################################################
179		225
180	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
181		227
182	=over 4	228	=over 4
183		229
…		…
202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	248	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
203	$d	249	$d
204	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
205	}	251	}
206		252
207	use JSON::Syck (); # TODO# replace by JSON::PC once working
208
209	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
210		254
211	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
212		256
213	=cut
214
215	sub from_json($) {
216	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
217	JSON::Syck::Load $_[0]
218	}
219
220	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
221		258
222	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
223		260
224	=cut	261	=cut
225		262
226	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
228	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
229	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
230		267
231	=item cf::lock_wait $string	268	=item cf::lock_wait $string
232		269
233	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
234		271
…		…
237	Wait until the given lock is available and then acquires it and returns	274	Wait until the given lock is available and then acquires it and returns
238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	275	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
239	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
240	returned.	277	returned.
241		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
242	Lock names should begin with a unique identifier (for example, cf::map::find	282	Lock names should begin with a unique identifier (for example, cf::map::find
243	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
244		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
245	=cut	289	=cut
246		290
247	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
248		293
249	sub lock_wait($) {	294	sub lock_wait($) {
250	my ($key) = @_;	295	my ($key) = @_;
		296
		297	if ($LOCKER{$key} == $Coro::current) {#d#
		298	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		299	return;#d#
		300	}#d#
251		301
252	# wait for lock, if any	302	# wait for lock, if any
253	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
254	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
255	Coro::schedule;	305	Coro::schedule;
…		…
261		311
262	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
263	lock_wait $key;	313	lock_wait $key;
264		314
265	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
266		317
267	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
268	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
269	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
270	}	322	}
271	}	323	}
272		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
		329	}
		330
273	sub freeze_mainloop {	331	sub freeze_mainloop {
274	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
275		333
276	my $guard = Coro::guard {	334	my $guard = Coro::guard {
277	$TICK_WATCHER->start;	335	$TICK_WATCHER->start;
278	$WRITE_RUNTIME_WATCHER->start;
279	};	336	};
280	$WRITE_RUNTIME_WATCHER->stop;
281	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
282	$guard	338	$guard
		339	}
		340
		341	=item cf::periodic $interval, $cb
		342
		343	Like EV::periodic, but randomly selects a starting point so that the actions
		344	get spread over timer.
		345
		346	=cut
		347
		348	sub periodic($$) {
		349	my ($interval, $cb) = @_;
		350
		351	my $start = rand List::Util::min 180, $interval;
		352
		353	EV::periodic $start, $interval, 0, $cb
		354	}
		355
		356	=item cf::get_slot $time[, $priority[, $name]]
		357
		358	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		359	This call blocks and returns only when you have at least C<$time> seconds
		360	of cpu time till the next tick. The slot is only valid till the next cede.
		361
		362	The optional C<$name> can be used to identify the job to run. It might be
		363	used for statistical purposes and should identify the same time-class.
		364
		365	Useful for short background jobs.
		366
		367	=cut
		368
		369	our @SLOT_QUEUE;
		370	our $SLOT_QUEUE;
		371
		372	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		373	$SLOT_QUEUE = Coro::async {
		374	$Coro::current->desc ("timeslot manager");
		375
		376	my $signal = new Coro::Signal;
		377
		378	while () {
		379	next_job:
		380	my $avail = cf::till_tick;
		381	if ($avail > 0.01) {
		382	for (0 .. $#SLOT_QUEUE) {
		383	if ($SLOT_QUEUE[$_][0] < $avail) {
		384	my $job = splice @SLOT_QUEUE, $_, 1, ();
		385	$job->[2]->send;
		386	Coro::cede;
		387	goto next_job;
		388	}
		389	}
		390	}
		391
		392	if (@SLOT_QUEUE) {
		393	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		394	push @cf::WAIT_FOR_TICK, $signal;
		395	$signal->wait;
		396	} else {
		397	Coro::schedule;
		398	}
		399	}
		400	};
		401
		402	sub get_slot($;$$) {
		403	my ($time, $pri, $name) = @_;
		404
		405	$time = $TICK * .6 if $time > $TICK * .6;
		406	my $sig = new Coro::Signal;
		407
		408	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		409	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		410	$SLOT_QUEUE->ready;
		411	$sig->wait;
283	}	412	}
284		413
285	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
286		415
287	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
…		…
292		421
293	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
294		423
295	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
296		425
297	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
298	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
299	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
300		430
301	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
302	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
303	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
304	fast or be very important.	434	fast or be very important.
…		…
307		437
308	sub sync_job(&) {	438	sub sync_job(&) {
309	my ($job) = @_;	439	my ($job) = @_;
310		440
311	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
312	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
313	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
314		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
315	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
316	# (but this is cancel-safe)	450	# (but this is cancel-safe)
317	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
318		452
319	my $busy = 1;	453	my $busy = 1;
320	my @res;	454	my @res;
321		455
322	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
323	@res = eval { $job->() };	458	@res = eval { $job->() };
324	warn $@ if $@;	459	warn $@ if $@;
325	undef $busy;	460	undef $busy;
326	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
327		462
328	while ($busy) {	463	while ($busy) {
329	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
330	}	468	}
		469	}
		470
		471	$time = EV::time - $time;
		472
		473	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		474	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		475
		476	$tick_start += $time; # do not account sync jobs to server load
331		477
332	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
333	} else {	479	} else {
334	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
335		481
…		…
355	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
356		502
357	$coro	503	$coro
358	}	504	}
359		505
360	sub write_runtime {	506	=item fork_call { }, $args
361	my $runtime = cf::localdir . "/runtime";
362		507
363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	508	Executes the given code block with the given arguments in a seperate
364	or return;	509	process, returning the results. Everything must be serialisable with
		510	Coro::Storable. May, of course, block. Note that the executed sub may
		511	never block itself or use any form of event handling.
365		512
366	my $value = $cf::RUNTIME + 90 + 10;	513	=cut
367	# 10 is the runtime save interval, for a monotonic clock
368	# 60 allows for the watchdog to kill the server.
369		514
370	(aio_write $fh, 0, (length $value), $value, 0) <= 0	515	sub fork_call(&@) {
371	and return;	516	my ($cb, @args) = @_;
372		517
373	# always fsync - this file is important	518	# we seemingly have to make a local copy of the whole thing,
374	aio_fsync $fh	519	# otherwise perl prematurely frees the stuff :/
375	and return;	520	# TODO: investigate and fix (likely this will be rather laborious)
376		521
377	close $fh	522	my @res = Coro::Util::fork_eval {
378	or return;	523	reset_signals;
		524	&$cb
		525	}, @args;
379		526
380	aio_rename "$runtime~", $runtime	527	wantarray ? @res : $res[-1]
381	and return;	528	}
382		529
		530	=item $value = cf::db_get $family => $key
		531
		532	Returns a single value from the environment database.
		533
		534	=item cf::db_put $family => $key => $value
		535
		536	Stores the given C<$value> in the family. It can currently store binary
		537	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		538
		539	=item $db = cf::db_table "name"
		540
		541	Create and/or open a new database table. The string must not be "db" and must be unique
		542	within each server.
		543
		544	=cut
		545
		546	sub db_table($) {
		547	my ($name) = @_;
		548	my $db = BDB::db_create $DB_ENV;
		549
		550	eval {
		551	$db->set_flags (BDB::CHKSUM);
		552
		553	utf8::encode $name;
		554	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		555	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		556	cf::cleanup "db_open(db): $!" if $!;
		557	};
		558	cf::cleanup "db_open(db): $@" if $@;
		559
		560	$db
		561	}
		562
		563	our $DB;
		564
		565	sub db_init {
		566	cf::sync_job {
		567	$DB ||= db_table "db";
		568	};
		569	}
		570
		571	sub db_get($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
383	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
384	}	666	}
385		667
386	=back	668	=back
387		669
388	=cut	670	=cut
…		…
395	attach callbacks/event handlers (a collection of which is called an "attachment")	677	attach callbacks/event handlers (a collection of which is called an "attachment")
396	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
397		679
398	In the following description, CLASS can be any of C<global>, C<object>	680	In the following description, CLASS can be any of C<global>, C<object>
399	C<player>, C<client> or C<map> (i.e. the attachable objects in	681	C<player>, C<client> or C<map> (i.e. the attachable objects in
400	crossfire+).	682	Deliantra).
401		683
402	=over 4	684	=over 4
403		685
404	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
405		687
…		…
568	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
569		851
570	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
571	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
572	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
573	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
574		856
575	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
576	my $pkg = shift @arg;	858	my $pkg = shift @arg;
577		859
578	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
607	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
608	}	890	}
609		891
610	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
611	} else {	893	} else {
612	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
613	}	895	}
614		896
615	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
616	}	898	}
617		899
…		…
619	if (ref $_[0]) {	901	if (ref $_[0]) {
620	_object_attach @_;	902	_object_attach @_;
621	} else {	903	} else {
622	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
623	}	905	}
		906	_recalc_want;
624	};	907	};
625		908
626	# all those should be optimised	909	# all those should be optimised
627	sub cf::attachable::detach {	910	sub cf::attachable::detach {
628	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
631	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
632	reattach ($obj);	915	reattach ($obj);
633	} else {	916	} else {
634	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
635	}	918	}
		919	_recalc_want;
636	};	920	};
637		921
638	sub cf::attachable::attached {	922	sub cf::attachable::attached {
639	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
640		924
…		…
655	";	939	";
656	die if $@;	940	die if $@;
657	}	941	}
658		942
659	our $override;	943	our $override;
660	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	944	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
661		945
662	sub override {	946	sub override {
663	$override = 1;	947	$override = 1;
664	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
665	}	949	}
666		950
667	sub do_invoke {	951	sub do_invoke {
668	my $event = shift;	952	my $event = shift;
669	my $callbacks = shift;	953	my $callbacks = shift;
670		954
671	@invoke_results = ();	955	@INVOKE_RESULTS = ();
672		956
673	local $override;	957	local $override;
674		958
675	for (@$callbacks) {	959	for (@$callbacks) {
676	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
685	}	969	}
686		970
687	0	971	0
688	}	972	}
689		973
690	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
691		975
692	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
693		977
694	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
695		979
696	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	980	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
697	removed in future versions), and there is no public API to access override	981	removed in future versions), and there is no public API to access override
698	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
699		983
700	=back	984	=back
701		985
702	=cut	986	=cut
703		987
704	#############################################################################	988	#############################################################################
705	# object support	989	# object support
		990
		991	sub _object_equal($$);
		992	sub _object_equal($$) {
		993	my ($a, $b) = @_;
		994
		995	return 0 unless (ref $a) eq (ref $b);
		996
		997	if ("HASH" eq ref $a) {
		998	my @ka = keys %$a;
		999	my @kb = keys %$b;
		1000
		1001	return 0 if @ka != @kb;
		1002
		1003	for (0 .. $#ka) {
		1004	return 0 unless $ka[$_] eq $kb[$_];
		1005	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1006	}
		1007
		1008	} elsif ("ARRAY" eq ref $a) {
		1009
		1010	return 0 if @$a != @$b;
		1011
		1012	for (0 .. $#$a) {
		1013	return 0 unless _object_equal $a->[$_], $b->[$_];
		1014	}
		1015
		1016	} elsif ($a ne $b) {
		1017	return 0;
		1018	}
		1019
		1020	1
		1021	}
		1022
		1023	our $SLOW_MERGES;#d#
		1024	sub _can_merge {
		1025	my ($ob1, $ob2) = @_;
		1026
		1027	++$SLOW_MERGES;#d#
		1028
		1029	# we do the slow way here
		1030	return _object_equal $ob1, $ob2
		1031	}
706		1032
707	sub reattach {	1033	sub reattach {
708	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
709	my ($obj) = @_;	1035	my ($obj) = @_;
710		1036
…		…
731	cf::attachable->attach (	1057	cf::attachable->attach (
732	prio => -1000000,	1058	prio => -1000000,
733	on_instantiate => sub {	1059	on_instantiate => sub {
734	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
735		1061
736	$data = from_json $data;	1062	$data = decode_json $data;
737		1063
738	for (@$data) {	1064	for (@$data) {
739	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
740		1066
741	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
757	sub object_freezer_save {	1083	sub object_freezer_save {
758	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
759		1085
760	sync_job {	1086	sync_job {
761	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
762	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
763	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
764		1091
765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
766	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
768	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
769	close $fh;	1096	close $fh;
770		1097
771	if (@$objs) {	1098	if (@$objs) {
772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1099	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
773	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
774	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
775	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
776	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
777	close $fh;	1104	close $fh;
778	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
779	}	1106	}
…		…
787	}	1114	}
788	} else {	1115	} else {
789	aio_unlink $filename;	1116	aio_unlink $filename;
790	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
791	}	1118	}
792
793	#d##TODO# nuke non .map-files if exist
794	if ($filename =~ s/\.map$//) {
795	aio_unlink $filename;
796	aio_unlink "$filename.pst";
797	}
798	}	1119	};
799	}	1120	}
800		1121
801	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
802	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
803		1124
…		…
808		1129
809	sub object_thawer_load {	1130	sub object_thawer_load {
810	my ($filename) = @_;	1131	my ($filename) = @_;
811		1132
812	my ($data, $av);	1133	my ($data, $av);
813
814	#d#TODO remove .map if file does not exist
815	aio_stat $filename and $filename =~ s/\.map$//;
816		1134
817	(aio_load $filename, $data) >= 0	1135	(aio_load $filename, $data) >= 0
818	or return;	1136	or return;
819		1137
820	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
821	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
822	or return;	1140	or return;
		1141
823	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
824	}	1144	}
825		1145
		1146	utf8::decode (my $decname = $filename);
826	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
827	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
828	return ($data, $av);	1150	($data, $av)
829	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
830		1158
831	#############################################################################	1159	#############################################################################
832	# command handling &c	1160	# command handling &c
833		1161
834	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
847	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
848	}	1176	}
849		1177
850	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
851		1179
852	Register a callbackf ro execution when the client sends an extcmd packet.	1180	Register a callback for execution when the client sends an (synchronous)
		1181	extcmd packet. Ext commands will be processed in the order they are
		1182	received by the server, like other user commands. The first argument is
		1183	the logged-in player. Ext commands can only be processed after a player
		1184	has logged in successfully.
853		1185
854	If the callback returns something, it is sent back as if reply was being	1186	If the callback returns something, it is sent back as if reply was being
855	called.	1187	called.
856		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
857	=cut	1200	=cut
858		1201
859	sub register_extcmd {	1202	sub register_extcmd {
860	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
861		1204
862	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
863	}	1212	}
864		1213
865	cf::player->attach (	1214	cf::player->attach (
866	on_command => sub {	1215	on_command => sub {
867	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
876	cf::override;	1225	cf::override;
877	},	1226	},
878	on_extcmd => sub {	1227	on_extcmd => sub {
879	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
880		1229
881	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
882		1231
883	if (ref $msg) {	1232	if (ref $msg) {
		1233	my ($type, $reply, @payload) =
		1234	"ARRAY" eq ref $msg
		1235	? @$msg
		1236	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1237
		1238	my @reply;
		1239
884	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
885	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
886	$pl->ext_reply ($msg->{msgid}, %reply);
887	}
888	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
889	} else {	1247	} else {
890	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
891	}	1249	}
892		1250
893	cf::override;	1251	cf::override;
894	},	1252	},
895	);	1253	);
896		1254
897	sub load_extension {
898	my ($path) = @_;
899
900	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
901	my $base = $1;
902	my $pkg = $1;
903	$pkg =~ s/[^[:word:]]/_/g;
904	$pkg = "ext::$pkg";
905
906	warn "... loading '$path' into '$pkg'\n";
907
908	open my $fh, "<:utf8", $path
909	or die "$path: $!";
910
911	my $source =
912	"package $pkg; use strict; use utf8;\n"
913	. "#line 1 \"$path\"\n{\n"
914	. (do { local $/; <$fh> })
915	. "\n};\n1";
916
917	unless (eval $source) {
918	my $msg = $@ ? "$path: $@\n"
919	: "extension disabled.\n";
920	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
921	warn $@;
922	warn "mandatory extension failed to load, exiting.\n";
923	exit 1;
924	}
925	die $@;
926	}
927
928	push @EXTS, $pkg;
929	}
930
931	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
932	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
933	next unless -r $ext;	1260	next unless -r $path;
934	eval {	1261
935	load_extension $ext;	1262	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1263	my $base = $1;
		1264	my $pkg = $1;
		1265	$pkg =~ s/[^[:word:]]/_/g;
		1266	$pkg = "ext::$pkg";
		1267
		1268	open my $fh, "<:utf8", $path
		1269	or die "$path: $!";
		1270
		1271	my $source = do { local $/; <$fh> };
		1272
		1273	my %ext = (
		1274	path => $path,
		1275	base => $base,
		1276	pkg => $pkg,
		1277	);
		1278
		1279	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1280	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1281
		1282	$ext{source} =
		1283	"package $pkg; use strict; use utf8;\n"
		1284	. "#line 1 \"$path\"\n{\n"
		1285	. $source
		1286	. "\n};\n1";
		1287
		1288	$todo{$base} = \%ext;
		1289	}
		1290
		1291	my %done;
		1292	while (%todo) {
		1293	my $progress;
		1294
		1295	while (my ($k, $v) = each %todo) {
		1296	for (split /,\s*/, $v->{meta}{depends}) {
		1297	goto skip
		1298	unless exists $done{$_};
		1299	}
		1300
		1301	warn "... loading '$k' into '$v->{pkg}'\n";
		1302
		1303	unless (eval $v->{source}) {
		1304	my $msg = $@ ? "$v->{path}: $@\n"
		1305	: "$v->{base}: extension inactive.\n";
		1306
		1307	if (exists $v->{meta}{mandatory}) {
		1308	warn $msg;
		1309	warn "mandatory extension failed to load, exiting.\n";
		1310	exit 1;
		1311	}
		1312
		1313	warn $msg;
		1314	}
		1315
		1316	$done{$k} = delete $todo{$k};
		1317	push @EXTS, $v->{pkg};
		1318	$progress = 1;
936	1	1319	}
937	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
938	}	1325	};
939	}	1326	}
940		1327
941	#############################################################################	1328	#############################################################################
942		1329
		1330	=back
		1331
943	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
944		1333
945	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
946		1335
947	=cut	1336	=cut
…		…
952		1341
953	=head3 cf::player	1342	=head3 cf::player
954		1343
955	=over 4	1344	=over 4
956		1345
		1346	=item cf::player::num_playing
		1347
		1348	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1349
		1350	=cut
		1351
		1352	sub num_playing {
		1353	scalar grep
		1354	$_->ob->map
		1355	&& !$_->hidden
		1356	&& !$_->ob->flag (cf::FLAG_WIZ),
		1357	cf::player::list
		1358	}
		1359
957	=item cf::player::find $login	1360	=item cf::player::find $login
958		1361
959	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
960		1363
961	=cut	1364	=cut
962		1365
963	sub playerdir($) {	1366	sub playerdir($) {
964	cf::localdir	1367	"$PLAYERDIR/"
965	. "/"
966	. cf::playerdir
967	. "/"
968	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
969	}	1369	}
970		1370
971	sub path($) {	1371	sub path($) {
972	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
973		1373
974	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
975	}	1375	}
976		1376
977	sub find_active($) {	1377	sub find_active($) {
978	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
979	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
992	my $login = $_[0];	1392	my $login = $_[0];
993		1393
994	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
995		1395
996	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
997	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
998	or return;	1405	or return;
		1406
		1407	my $pl = cf::player::load_pl $f
		1408	or return;
		1409	local $cf::PLAYER_LOADING{$login} = $pl;
		1410	$f->resolve_delayed_derefs;
999	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1000	}	1412	}
1001	}	1413	}
1002	}	1414	}
1003		1415
…		…
1013		1425
1014	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1015	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1016		1428
1017	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1018	Coro::cede;	1430	cf::cede_to_tick;
1019	}	1431	}
1020		1432
1021	sub new($) {	1433	sub new($) {
1022	my ($login) = @_;	1434	my ($login) = @_;
1023		1435
…		…
1029	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1030		1442
1031	$self	1443	$self
1032	}	1444	}
1033		1445
		1446	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1447
		1448	=cut
		1449
		1450	sub send_msg {
		1451	my $ns = shift->ns
		1452	or return;
		1453	$ns->send_msg (@_);
		1454	}
		1455
1034	=item $pl->quit_character	1456	=item $pl->quit_character
1035		1457
1036	Nukes the player without looking back. If logged in, the connection will	1458	Nukes the player without looking back. If logged in, the connection will
1037	be destroyed. May block for a long time.	1459	be destroyed. May block for a long time.
1038		1460
1039	=cut	1461	=cut
1040		1462
1041	sub quit_character {	1463	sub quit_character {
1042	my ($pl) = @_;	1464	my ($pl) = @_;
		1465
		1466	my $name = $pl->ob->name;
1043		1467
1044	$pl->{deny_save} = 1;	1468	$pl->{deny_save} = 1;
1045	$pl->password ("*"); # this should lock out the player until we nuked the dir	1469	$pl->password ("*"); # this should lock out the player until we nuked the dir
1046		1470
1047	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1471	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1052	my $path = playerdir $pl;	1476	my $path = playerdir $pl;
1053	my $temp = "$path~$cf::RUNTIME~deleting~";	1477	my $temp = "$path~$cf::RUNTIME~deleting~";
1054	aio_rename $path, $temp;	1478	aio_rename $path, $temp;
1055	delete $cf::PLAYER{$pl->ob->name};	1479	delete $cf::PLAYER{$pl->ob->name};
1056	$pl->destroy;	1480	$pl->destroy;
		1481
		1482	my $prefix = qr<^~\Q$name\E/>;
		1483
		1484	# nuke player maps
		1485	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1486
1057	IO::AIO::aio_rmtree $temp;	1487	IO::AIO::aio_rmtree $temp;
		1488	}
		1489
		1490	=item $pl->kick
		1491
		1492	Kicks a player out of the game. This destroys the connection.
		1493
		1494	=cut
		1495
		1496	sub kick {
		1497	my ($pl, $kicker) = @_;
		1498
		1499	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1500	$pl->killer ("kicked");
		1501	$pl->ns->destroy;
1058	}	1502	}
1059		1503
1060	=item cf::player::list_logins	1504	=item cf::player::list_logins
1061		1505
1062	Returns am arrayref of all valid playernames in the system, can take a	1506	Returns am arrayref of all valid playernames in the system, can take a
1063	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1064		1508
1065	=cut	1509	=cut
1066		1510
1067	sub list_logins {	1511	sub list_logins {
1068	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1069	or return [];	1513	or return [];
1070		1514
1071	my @logins;	1515	my @logins;
1072		1516
1073	for my $login (@$dirs) {	1517	for my $login (@$dirs) {
		1518	my $path = path $login;
		1519
		1520	# a .pst is a dead give-away for a valid player
		1521	unless (-e "$path.pst") {
1074	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1075	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1076	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1077		1526
1078	utf8::decode $login;	1527	utf8::decode $login;
1079	push @logins, $login;	1528	push @logins, $login;
1080	}	1529	}
1081		1530
…		…
1108	}	1557	}
1109		1558
1110	\@paths	1559	\@paths
1111	}	1560	}
1112		1561
		1562	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1563
		1564	Expand crossfire pod fragments into protocol xml.
		1565
		1566	=cut
		1567
		1568	use re 'eval';
		1569
		1570	my $group;
		1571	my $interior; $interior = qr{
		1572	# match a pod interior sequence sans C<< >>
		1573	(?:
		1574	\ (.*?)\ (?{ $group = $^N })
		1575	| < (??{$interior}) >
		1576	)
		1577	}x;
		1578
		1579	sub expand_cfpod {
		1580	my ($self, $pod) = @_;
		1581
		1582	my $xml;
		1583
		1584	while () {
		1585	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1586	$group = $1;
		1587
		1588	$group =~ s/&/&amp;/g;
		1589	$group =~ s/</&lt;/g;
		1590
		1591	$xml .= $group;
		1592	} elsif ($pod =~ m%\G
		1593	([BCGHITU])
		1594	<
		1595	(?:
		1596	([^<>]*) (?{ $group = $^N })
		1597	| < $interior >
		1598	)
		1599	>
		1600	%gcsx
		1601	) {
		1602	my ($code, $data) = ($1, $group);
		1603
		1604	if ($code eq "B") {
		1605	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1606	} elsif ($code eq "I") {
		1607	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1608	} elsif ($code eq "U") {
		1609	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1610	} elsif ($code eq "C") {
		1611	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1612	} elsif ($code eq "T") {
		1613	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1614	} elsif ($code eq "G") {
		1615	my ($male, $female) = split /\|/, $data;
		1616	$data = $self->gender ? $female : $male;
		1617	$xml .= expand_cfpod ($self, $data);
		1618	} elsif ($code eq "H") {
		1619	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1620	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1621	"")
		1622	[$self->{hintmode}];
		1623	} else {
		1624	$xml .= "error processing '$code($data)' directive";
		1625	}
		1626	} else {
		1627	if ($pod =~ /\G(.+)/) {
		1628	warn "parse error while expanding $pod (at $1)";
		1629	}
		1630	last;
		1631	}
		1632	}
		1633
		1634	for ($xml) {
		1635	# create single paragraphs (very hackish)
		1636	s/(?<=\S)\n(?=\w)/ /g;
		1637
		1638	# compress some whitespace
		1639	s/\s+\n/\n/g; # ws line-ends
		1640	s/\n\n+/\n/g; # double lines
		1641	s/^\n+//; # beginning lines
		1642	s/\n+$//; # ending lines
		1643	}
		1644
		1645	$xml
		1646	}
		1647
		1648	no re 'eval';
		1649
		1650	sub hintmode {
		1651	$_[0]{hintmode} = $_[1] if @_ > 1;
		1652	$_[0]{hintmode}
		1653	}
		1654
1113	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1114		1656
1115	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1116		1658
1117	=cut	1659	=cut
1118		1660
1119	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1120	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1121		1663
1122	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1123
1124	$self->send ("ext " . cf::to_json \%msg);
1125	}	1665	}
1126		1666
1127	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1128		1707
1129	=back	1708	=back
1130
1131		1709
1132	=head3 cf::map	1710	=head3 cf::map
1133		1711
1134	=over 4	1712	=over 4
1135		1713
…		…
1190	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1191		1769
1192	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1193	local $self->{path};	1771	local $self->{path};
1194	local $self->{load_path};	1772	local $self->{load_path};
1195	local $self->{deny_save};
1196	local $self->{deny_reset};
1197		1773
1198	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1199	}	1775	}
1200		1776
1201	sub normalise {	1777	sub normalise {
…		…
1248	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1249	return $self;	1825	return $self;
1250	}	1826	}
1251	}	1827	}
1252		1828
1253	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1254	()	1830	()
1255	}	1831	}
1256		1832
1257	sub init {	1833	sub init {
1258	my ($self) = @_;	1834	my ($self) = @_;
…		…
1273		1849
1274	# the original (read-only) location	1850	# the original (read-only) location
1275	sub load_path {	1851	sub load_path {
1276	my ($self) = @_;	1852	my ($self) = @_;
1277		1853
1278	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1279	}	1855	}
1280		1856
1281	# the temporary/swap location	1857	# the temporary/swap location
1282	sub save_path {	1858	sub save_path {
1283	my ($self) = @_;	1859	my ($self) = @_;
1284		1860
1285	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1286	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1287	}	1863	}
1288		1864
1289	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1290	sub uniq_path {	1866	sub uniq_path {
1291	my ($self) = @_;	1867	my ($self) = @_;
1292		1868
1293	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1294	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1295	}	1871	}
1296		1872
1297	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1298	# all maps in C++...	1874	# all maps in C++...
1299	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1301		1877
1302	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1303	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1304	}	1880	}
1305		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1306	sub unlink_save {	1890	sub unlink_save {
1307	my ($self) = @_;	1891	my ($self) = @_;
1308		1892
1309	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1310	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";	1895	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313	#d#TODO remove .map and also nuke
1314	$save =~ s/\.map// or return;#d#
1315	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317	}	1896	}
1318		1897
1319	sub load_header_from($) {	1898	sub load_header_from($) {
1320	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1321		1900
1322	utf8::encode $path;	1901	utf8::encode $path;
1323	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1324	# or return;
1325
1326	$self->_load_header ($path)
1327	or return;	1903	or return;
		1904
		1905	$self->_load_header ($f)
		1906	or return;
		1907
		1908	local $MAP_LOADING{$self->{path}} = $self;
		1909	$f->resolve_delayed_derefs;
1328		1910
1329	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1330		1912
1331	1	1913	1
1332	}	1914	}
…		…
1371	$self->load_header_orig	1953	$self->load_header_orig
1372	or return;	1954	or return;
1373	$self->prepare_orig;	1955	$self->prepare_orig;
1374	}	1956	}
1375		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
1376	1	1964	1
1377	}	1965	}
1378		1966
1379	sub find;	1967	sub find;
1380	sub find {	1968	sub find {
1381	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1382		1970
1383	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1384		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1385	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1386		1975
1387	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1388	my $guard = cf::lock_acquire "map_find:$path";	1977	my $guard1 = cf::lock_acquire "map_find:$path";
		1978	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
		1979
1389	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1390	or return;	1981	or return;
1391		1982
1392	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1393		1984
1394	$map->load_header	1985	$map->load_header
1395	or return;	1986	or return;
1396		1987
1397	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1398	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1399	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1400	$map->reset;	1993	$map->reset;
1401	undef $guard;
1402	return find $path;	1994	return find $path;
1403	}	1995	}
1404		1996
1405	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1406	}	1998	}
…		…
1413	my ($self) = @_;	2005	my ($self) = @_;
1414		2006
1415	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1416		2008
1417	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1418	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1419		2013
		2014	return unless $self->valid;
1420	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1421		2016
1422	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1423		2018
1424	$self->alloc;	2019	$self->alloc;
1425		2020
1426	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1427		2023
1428	$self->_load_objects ($self->{load_path}, 1)	2024	my $f = new_from_file cf::object::thawer $self->{load_path};
		2025	$f->skip_block;
		2026	$self->_load_objects ($f)
1429	or return;	2027	or return;
1430		2028
1431	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1432	if delete $self->{load_original};	2030	if delete $self->{load_original};
1433		2031
1434	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1435	utf8::encode $uniq;	2033	utf8::encode $uniq;
1436	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1437	$self->clear_unique_items;	2036	$self->clear_unique_items;
1438	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1439	}	2040	}
1440	}	2041	}
1441		2042
1442	Coro::cede;	2043	$f->resolve_delayed_derefs;
1443		2044
		2045	cf::cede_to_tick;
1444	# now do the right thing for maps	2046	# now do the right thing for maps
1445	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1446
1447	unless ($self->{deny_activate}) {
1448	$self->decay_objects;
1449	$self->fix_auto_apply;
1450	$self->update_buttons;
1451	Coro::cede;
1452	$self->set_darkness_map;
1453	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1454	unless $self->difficulty;	2049	unless $self->difficulty;
1455	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($self->{deny_activate}) {
		2053	$self->decay_objects;
		2054	$self->fix_auto_apply;
		2055	$self->update_buttons;
		2056	cf::cede_to_tick;
		2057	$self->set_darkness_map;
		2058	cf::cede_to_tick;
1456	$self->activate;	2059	$self->activate;
		2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1457	}	2066	}
1458		2067
1459	$self->post_load;	2068	$self->post_load;
1460
1461	$self->in_memory (cf::MAP_IN_MEMORY);
1462	}	2069	}
1463		2070
1464	sub customise_for {	2071	sub customise_for {
1465	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1466		2073
1467	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1468	if $self->per_player;	2075	if $self->per_player;
1469		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1470	$self	2080	$self
1471	}	2081	}
1472		2082
1473	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1474	sub load_diag {	2084	sub load_neighbours {
1475	my ($map) = @_;	2085	my ($map) = @_;
1476		2086
1477	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1478		2088
1479	for (0 .. 3) {	2089	for (0 .. 3) {
1480	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1481	or next;	2091	or next;
1482	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1483	or next;	2093	or next;
1484	$neigh->load;	2094	$neigh->load;
1485		2095
		2096	push @neigh,
1486	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1487	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1488	}	2099	}
1489		2100
1490	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1491	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1492	or next;	2104	or next;
1493	$neigh->load;	2105	$neigh->load;
1494	}	2106	}
1495	}	2107	}
1496		2108
…		…
1501	}	2113	}
1502		2114
1503	sub do_load_sync {	2115	sub do_load_sync {
1504	my ($map) = @_;	2116	my ($map) = @_;
1505		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1506	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1507	}	2122	}
1508		2123
1509	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1510	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1511		2126
1512	sub find_async {	2127	sub find_async {
1513	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1514		2129
1515	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1516		2131
1517	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1518	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1519	}	2134	}
1520		2135
1521	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1522	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1523	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1524	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1525	my $map = find $path	2143	if (my $map = find $k) {
1526	or next;
1527	$map->load;	2144	$map->load if $v;
		2145	}
1528		2146
1529	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1530	}	2148	}
1531	}	2149	}
1532	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1533	};	2151	};
1534	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1537	}	2155	}
1538		2156
1539	sub save {	2157	sub save {
1540	my ($self) = @_;	2158	my ($self) = @_;
1541		2159
1542	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1543		2161
1544	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1545		2163
1546	return unless $self->dirty;	2164	return unless $self->dirty;
1547		2165
…		…
1553	return if $self->{deny_save};	2171	return if $self->{deny_save};
1554		2172
1555	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1556		2174
1557	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1558	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1559	};	2178	};
1560		2179
1561	if ($uniq) {	2180	if ($uniq) {
1562	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1570	my ($self) = @_;	2189	my ($self) = @_;
1571		2190
1572	# save first because save cedes	2191	# save first because save cedes
1573	$self->save;	2192	$self->save;
1574		2193
1575	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1576		2195
1577	return if $self->players;	2196	return if $self->players;
1578	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1579	return if $self->{deny_save};	2198	return if $self->{deny_save};
1580		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1581	$self->clear;	2204	$self->clear;
1582	$self->in_memory (cf::MAP_SWAPPED);
1583	}	2205	}
1584		2206
1585	sub reset_at {	2207	sub reset_at {
1586	my ($self) = @_;	2208	my ($self) = @_;
1587		2209
1588	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1589	return 1e99 if $self->isa ("ext::map_per_player");#d#
1590	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1591		2212
1592	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1593	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1594		2215
…		…
1605	my ($self) = @_;	2226	my ($self) = @_;
1606		2227
1607	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1608		2229
1609	return if $self->players;	2230	return if $self->players;
1610	return if $self->isa ("ext::map_per_player");#d#
1611		2231
1612	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1613		2233
1614	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1615		2235
1616	# need to save uniques path	2236	# need to save uniques path
1617	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1621	if $uniq;	2241	if $uniq;
1622	}	2242	}
1623		2243
1624	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1625		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1626	$self->clear;	2248	$self->clear;
1627
1628	$_->clear_links_to ($self) for values %cf::MAP;
1629		2249
1630	$self->unlink_save;	2250	$self->unlink_save;
1631	$self->destroy;	2251	$self->destroy;
1632	}	2252	}
1633		2253
1634	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1635		2255
1636	sub nuke {	2256	sub nuke {
1637	my ($self) = @_;	2257	my ($self) = @_;
1638		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1639	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1640		2263
1641	$self->unlink_save;	2264	$self->unlink_save;
1642		2265
1643	bless $self, "cf::map";	2266	bless $self, "cf::map";
1644	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1645	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1646	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1647	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1648		2271
1649	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1650		2274
1651	$self->reset; # polite request, might not happen	2275	$self->reset; # polite request, might not happen
		2276	}
		2277
		2278	=item $maps = cf::map::tmp_maps
		2279
		2280	Returns an arrayref with all map paths of currently instantiated and saved
		2281	maps. May block.
		2282
		2283	=cut
		2284
		2285	sub tmp_maps() {
		2286	[
		2287	map {
		2288	utf8::decode $_;
		2289	/\.map$/
		2290	? normalise $_
		2291	: ()
		2292	} @{ aio_readdir $TMPDIR or [] }
		2293	]
		2294	}
		2295
		2296	=item $maps = cf::map::random_maps
		2297
		2298	Returns an arrayref with all map paths of currently instantiated and saved
		2299	random maps. May block.
		2300
		2301	=cut
		2302
		2303	sub random_maps() {
		2304	[
		2305	map {
		2306	utf8::decode $_;
		2307	/\.map$/
		2308	? normalise "?random/$_"
		2309	: ()
		2310	} @{ aio_readdir $RANDOMDIR or [] }
		2311	]
1652	}	2312	}
1653		2313
1654	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1655		2315
1656	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1657	instantiated unique items. May block.	2317	instantiated unique items. May block.
1658		2318
1659	=cut	2319	=cut
1660		2320
1661	sub unique_maps() {	2321	sub unique_maps() {
1662	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1663	or return;	2323	map {
1664
1665	my @paths;
1666
1667	for (@$files) {
1668	utf8::decode $_;	2324	utf8::decode $_;
1669	next if /\.pst$/;	2325	/\.map$/
1670	next unless /^$PATH_SEP/o;	2326	? normalise $_
1671		2327	: ()
1672	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1673	}	2329	]
1674
1675	\@paths
1676	}	2330	}
1677		2331
1678	package cf;	2332	package cf;
1679		2333
1680	=back	2334	=back
…		…
1698	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1699	}	2353	}
1700		2354
1701	sub inv_recursive {	2355	sub inv_recursive {
1702	inv_recursive_ inv $_[0]	2356	inv_recursive_ inv $_[0]
		2357	}
		2358
		2359	=item $ref = $ob->ref
		2360
		2361	creates and returns a persistent reference to an objetc that can be stored as a string.
		2362
		2363	=item $ob = cf::object::deref ($refstring)
		2364
		2365	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2366	even if the object actually exists. May block.
		2367
		2368	=cut
		2369
		2370	sub deref {
		2371	my ($ref) = @_;
		2372
		2373	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2374	my ($uuid, $name) = ($1, $2);
		2375	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2376	or return;
		2377	$pl->ob->uuid eq $uuid
		2378	or return;
		2379
		2380	$pl->ob
		2381	} else {
		2382	warn "$ref: cannot resolve object reference\n";
		2383	undef
		2384	}
1703	}	2385	}
1704		2386
1705	package cf;	2387	package cf;
1706		2388
1707	=back	2389	=back
…		…
1726		2408
1727	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1728		2410
1729	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1730	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1731	} else {	2414	} else {
		2415	my $pl = $self->contr;
		2416
		2417	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2418	my $dialog = $pl->{npc_dialog};
		2419	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2420
		2421	} else {
1732	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1733	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1734	}	2425	}
		2426	}
		2427
		2428	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2429
		2430	=cut
		2431
		2432	sub cf::object::send_msg {
		2433	my $pl = shift->contr
		2434	or return;
		2435	$pl->send_msg (@_);
1735	}	2436	}
1736		2437
1737	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1738		2439
1739	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1786	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1787		2488
1788	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1789		2490
1790	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1791	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1792		2493
1793	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1794	}	2495	}
1795		2496
1796	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1797	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1798		2501
1799	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1800		2503
1801	unless ($map) {	2504	unless ($map) {
1802	# restore original map position	2505	# restore original map position
…		…
1816	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1817	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1818	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1819		2522
1820	$map->load;	2523	$map->load;
1821	$map->load_diag;	2524	$map->load_neighbours;
1822		2525
1823	return unless $self->contr->active;	2526	return unless $self->contr->active;
1824	$self->activate_recursive;	2527	$self->activate_recursive;
		2528
		2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1825	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1826	}	2531	}
1827		2532
1828	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1829	on_logout => sub {
1830	my ($pl) = @_;
1831		2534
1832	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1833	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1834	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1835	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1836	};	2539	be called at the end of this process.
1837	}
1838	},
1839	on_login => sub {
1840	my ($pl) = @_;
1841		2540
1842	# try to abort aborted map switching on player login :)
1843	# should happen only on crashes
1844	if ($pl->ob->{_link_pos}) {
1845	$pl->ob->enter_link;
1846	(async {
1847	# we need this sleep as the login has a concurrent enter_exit running
1848	# and this sleep increases chances of the player not ending up in scorn
1849	$pl->ob->reply (undef,
1850	"There was an internal problem at your last logout, "
1851	. "the server will try to bring you to your intended destination in a second.",
1852	cf::NDI_RED);
1853	Coro::Timer::sleep 1;
1854	$pl->ob->leave_link;
1855	})->prio (2);
1856	}
1857	},
1858	);
1859
1860	=item $player_object->goto ($path, $x, $y)
1861
1862	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1863		2544
1864	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1865	my ($self, $path, $x, $y) = @_;	2546	my ($self, $path, $x, $y, $check, $done) = @_;
		2547
		2548	# do generation counting so two concurrent goto's will be executed in-order
		2549	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1866		2550
1867	$self->enter_link;	2551	$self->enter_link;
1868		2552
1869	(async {	2553	(async {
		2554	$Coro::current->{desc} = "player::goto $path $x $y";
		2555
		2556	# *tag paths override both path and x|y
		2557	if ($path =~ /^\*(.*)$/) {
		2558	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2559	my $ob = $obs[rand @obs];
		2560
		2561	# see if we actually can go there
		2562	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2563	$ob = $obs[rand @obs];
		2564	} else {
		2565	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2566	}
		2567	# else put us there anyways for now #d#
		2568
		2569	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2570	} else {
		2571	($path, $x, $y) = (undef, undef, undef);
		2572	}
		2573	}
		2574
1870	my $map = eval {	2575	my $map = eval {
1871	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1872	$map = $map->customise_for ($self) if $map;	2579	$map = $map->customise_for ($self);
		2580	$map = $check->($map) if $check && $map;
		2581	} else {
		2582	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2583	}
		2584
1873	$map	2585	$map
		2586	};
		2587
		2588	if ($@) {
		2589	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2590	LOG llevError | logBacktrace, Carp::longmess $@;
1874	} or	2591	}
1875	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1876		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1877	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1878	})->prio (1);	2599	})->prio (1);
1879	}	2600	}
1880		2601
1881	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1882		2603
…		…
1919	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1920	}	2641	}
1921		2642
1922	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1923		2644
1924	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1925	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1926	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1927		2648
1928	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1929	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1930	undef $fh;	2651	undef $fh;
1931	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1940		2661
1941	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1942		2663
1943	if ($exit->slaying eq "/!") {	2664	if ($exit->slaying eq "/!") {
1944	#TODO: this should de-fi-ni-te-ly not be a sync-job	2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
1945	cf::sync_job { prepare_random_map $exit };	2668	cf::sync_job { prepare_random_map $exit };
1946	}	2669	}
1947		2670
1948	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1949	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1950	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1951		2674
1952	$self->enter_link;	2675	$self->enter_link;
1953		2676
		2677	# if exit is damned, update players death & WoR home-position
		2678	$self->contr->savebed ($slaying, $hp, $sp)
		2679	if $exit->flag (FLAG_DAMNED);
		2680
1954	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1955	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1956	unless (eval {	2685	unless (eval {
1957	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1958		2687
1959	1;	2688	1;
1960	}) {	2689	}) {
1961	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1962	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1963	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1964	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1965		2694
1966	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1967	$self->leave_link;	2696	$self->leave_link;
1968	}	2697	}
1969	})->prio (1);	2698	})->prio (1);
…		…
1982		2711
1983	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1984	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1985		2714
1986	utf8::encode $text;	2715	utf8::encode $text;
1987	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1988	}	2717	}
1989		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
1990		2877
1991	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
1992		2879
1993	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
1994	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2881	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1995	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2882	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1996		2883
1997	Queries can fail, so check the return code. Or don't, as queries will become	2884	Queries can fail, so check the return code. Or don't, as queries will
1998	reliable at some point in the future.	2885	become reliable at some point in the future.
1999		2886
2000	=cut	2887	=cut
2001		2888
2002	sub cf::client::query {	2889	sub cf::client::query {
2003	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2011	utf8::encode $text;	2898	utf8::encode $text;
2012	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2013		2900
2014	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2015	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2016	}	2905	}
2017		2906
2018	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2019	on_reply => sub {	2913	on_reply => sub {
2020	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2021		2915
2022	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2023	# get handled first	2917	# get handled first
…		…
2035	} else {	2929	} else {
2036	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2037	}	2931	}
2038	}	2932	}
2039	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($ns, $buf) = @_;
		2936
		2937	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2938
		2939	if (ref $msg) {
		2940	my ($type, $reply, @payload) =
		2941	"ARRAY" eq ref $msg
		2942	? @$msg
		2943	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2944
		2945	my @reply;
		2946
		2947	if (my $cb = $EXTICMD{$type}) {
		2948	@reply = $cb->($ns, @payload);
		2949	}
		2950
		2951	$ns->ext_reply ($reply, @reply)
		2952	if $reply;
		2953
		2954	} else {
		2955	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2956	}
		2957
		2958	cf::override;
		2959	},
2040	);	2960	);
2041		2961
2042	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2043		2963
2044	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2085	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2086	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2087		3007
2088	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2089		3009
2090	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3010	$safe->permit_only (Opcode::opset qw(
		3011	:base_core :base_mem :base_orig :base_math
		3012	grepstart grepwhile mapstart mapwhile
		3013	sort time
		3014	));
2091		3015
2092	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2093		3017
2094	=pod	3018	=pod
2095		3019
2096	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2097		3021
2098	cf::object contr pay_amount pay_player map	3022	cf::object
		3023	contr pay_amount pay_player map x y force_find force_add destroy
		3024	insert remove name archname title slaying race decrease_ob_nr
		3025
2099	cf::object::player player	3026	cf::object::player
2100	cf::player peaceful	3027	player
2101	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2102		3034
2103	=cut	3035	=cut
2104		3036
2105	for (	3037	for (
2106	["cf::object" => qw(contr pay_amount pay_player map)],	3038	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3039	insert remove inv name archname title slaying race
		3040	decrease_ob_nr destroy)],
2107	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2108	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2109	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2110	) {	3044	) {
2111	no strict 'refs';	3045	no strict 'refs';
…		…
2182	=back	3116	=back
2183		3117
2184	=cut	3118	=cut
2185		3119
2186	#############################################################################	3120	#############################################################################
2187
2188	=head2 EXTENSION DATABASE SUPPORT
2189
2190	Crossfire maintains a very simple database for extension use. It can
2191	currently store anything that can be serialised using Storable, which
2192	excludes objects.
2193
2194	The parameter C<$family> should best start with the name of the extension
2195	using it, it should be unique.
2196
2197	=over 4
2198
2199	=item $value = cf::db_get $family => $key
2200
2201	Returns a single value from the database.
2202
2203	=item cf::db_put $family => $key => $value
2204
2205	Stores the given C<$value> in the family.
2206
2207	=cut
2208
2209	our $DB;
2210
2211	sub db_init {
2212	unless ($DB) {
2213	$DB = BDB::db_create $DB_ENV;
2214
2215	cf::sync_job {
2216	eval {
2217	$DB->set_flags (BDB::CHKSUM);
2218
2219	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2220	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2221	cf::cleanup "db_open(db): $!" if $!;
2222	};
2223	cf::cleanup "db_open(db): $@" if $@;
2224	};
2225
2226	my $path = cf::localdir . "/database.pst";
2227	if (stat $path) {
2228	cf::sync_job {
2229	my $pst = Storable::retrieve $path;
2230
2231	cf::db_put (board => data => $pst->{board});
2232	cf::db_put (guildrules => data => $pst->{guildrules});
2233	cf::db_put (rent => balance => $pst->{rent}{balance});
2234	BDB::db_env_txn_checkpoint $DB_ENV;
2235
2236	unlink $path;
2237	};
2238	}
2239	}
2240	}
2241
2242	sub db_get($$) {
2243	my $key = "$_[0]/$_[1]";
2244
2245	cf::sync_job {
2246	BDB::db_get $DB, undef, $key, my $data;
2247
2248	$! ? ()
2249	: Compress::LZF::sthaw $data
2250	}
2251	}
2252
2253	sub db_put($$$) {
2254	BDB::dbreq_pri 4;
2255	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2256	}
2257
2258	#############################################################################
2259	# the server's init and main functions	3121	# the server's init and main functions
2260		3122
2261	sub load_resources {	3123	sub load_facedata($) {
2262	load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3124	my ($path) = @_;
		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3131
		3132	warn "loading facedata from $path\n";
		3133
		3134	my $facedata;
		3135	0 < aio_load $path, $facedata
		3136	or die "$path: $!";
		3137
		3138	$facedata = Coro::Storable::thaw $facedata;
		3139
		3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
		3150	{
		3151	my $faces = $facedata->{faceinfo};
		3152
		3153	while (my ($face, $info) = each %$faces) {
		3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
		3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
		3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3160
		3161	cf::cede_to_tick;
		3162	}
		3163
		3164	while (my ($face, $info) = each %$faces) {
		3165	next unless $info->{smooth};
		3166
		3167	my $idx = cf::face::find $face
		3168	or next;
		3169
		3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3173	} else {
		3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3175	}
		3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
		3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
		3227	1
		3228	}
		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
2263	or die "unable to load regions file\n";#d#	3264	or die "unable to load regions file\n";
2264	}
2265		3265
2266	sub cfg_load {	3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
		3292	sub reload_resources {
		3293	warn "reloading resource files...\n";
		3294
		3295	reload_regions;
		3296	reload_facedata;
		3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
		3302	}
		3303
		3304	sub init {
		3305	reload_resources;
		3306	}
		3307
		3308	sub reload_config {
2267	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2268	or return;	3310	or return;
2269		3311
2270	local $/;	3312	local $/;
2271	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2272		3314
…		…
2282	};	3324	};
2283	warn $@ if $@;	3325	warn $@ if $@;
2284	}	3326	}
2285	}	3327	}
2286		3328
2287	sub init {
2288	load_resources;
2289	}
2290
2291	sub main {	3329	sub main {
2292	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2293	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2294	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2295	(async {	3333	(async {
2296	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2297	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2298	};	3337	};
2299		3338
2300	cfg_load;	3339	reload_config;
2301	db_init;	3340	db_init;
2302	load_extensions;	3341	load_extensions;
2303		3342
2304	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
2305	$WRITE_RUNTIME_WATCHER->start;	3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2306	Event::loop;	3345	EV::loop;
2307	}	3346	}
2308		3347
2309	#############################################################################	3348	#############################################################################
2310	# initialisation and cleanup	3349	# initialisation and cleanup
2311		3350
2312	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2313	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2314	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2315	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2316	reentrant => 0,
2317	data => WF_AUTOCANCEL,
2318	signal => $signal,
2319	prio => 0,
2320	cb => sub {
2321	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2322	},
2323	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2324	}	3396	1
2325	}	3397	}
2326		3398
2327	sub emergency_save() {	3399	sub emergency_save() {
2328	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2329		3401
…		…
2335	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2336	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2337	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2338	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2339	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2340	$pl->save;	3413	$pl->save;
2341	}	3414	}
2342	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2343		3416
2344	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2362		3435
2363	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2364	if $make_core;	3437	if $make_core;
2365	}	3438	}
2366		3439
2367	sub reload() {	3440	sub do_reload_perl() {
2368	# can/must only be called in main	3441	# can/must only be called in main
2369	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2370	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2371	return;	3444	return;
2372	}	3445	}
…		…
2374	warn "reloading...";	3447	warn "reloading...";
2375		3448
2376	warn "entering sync_job";	3449	warn "entering sync_job";
2377		3450
2378	cf::sync_job {	3451	cf::sync_job {
2379	cf::write_runtime;	3452	cf::write_runtime; # external watchdog should not bark
2380	cf::emergency_save;	3453	cf::emergency_save;
2381	cf::write_runtime;	3454	cf::write_runtime; # external watchdog should not bark
2382		3455
2383	warn "syncing database to disk";	3456	warn "syncing database to disk";
2384	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2385		3458
2386	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2387
2388	warn "cancelling all WF_AUTOCANCEL watchers";
2389	for (Event::all_watchers) {
2390	$_->cancel if $_->data & WF_AUTOCANCEL;
2391	}
2392		3460
2393	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2394	for (;;) {	3462	for (;;) {
2395	BDB::flush;	3463	BDB::flush;
2396	IO::AIO::flush;	3464	IO::AIO::flush;
2397	Coro::cede;	3465	Coro::cede_notself;
2398	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2399	warn "iterate...";	3467	warn "iterate...";
2400	}	3468	}
		3469
		3470	++$RELOAD;
2401		3471
2402	warn "cancelling all extension coros";	3472	warn "cancelling all extension coros";
2403	$_->cancel for values %EXT_CORO;	3473	$_->cancel for values %EXT_CORO;
2404	%EXT_CORO = ();	3474	%EXT_CORO = ();
2405		3475
2406	warn "removing commands";	3476	warn "removing commands";
2407	%COMMAND = ();	3477	%COMMAND = ();
2408		3478
2409	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2410	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2411		3482
2412	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2413	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2414	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2415		3486
…		…
2445	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2446	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2447		3518
2448	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2449	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2450		3522
2451	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2452	# and global variables created in xs	3524	# and global variables created in xs
2453	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2454		3526
…		…
2457	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2458	require cf;	3530	require cf;
2459	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2460		3532
2461	warn "loading config and database again";	3533	warn "loading config and database again";
2462	cf::cfg_load;	3534	cf::reload_config;
2463		3535
2464	warn "loading extensions";	3536	warn "loading extensions";
2465	cf::load_extensions;	3537	cf::load_extensions;
2466		3538
2467	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
2468	_global_reattach;	3540	_global_reattach; # objects, sockets
2469	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2470	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2471		3543	warn "reattaching attachments to players";
2472	warn "loading reloadable resources";	3544	reattach $_ for values %PLAYER;
2473	load_resources;
2474		3545
2475	warn "leaving sync_job";	3546	warn "leaving sync_job";
2476		3547
2477	1	3548	1
2478	} or do {	3549	} or do {
…		…
2484	warn "reloaded";	3555	warn "reloaded";
2485	};	3556	};
2486		3557
2487	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2488		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2489	register_command "reload" => sub {	3570	register_command "reload" => sub {
2490	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2491		3572
2492	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2493	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2494		3575	async {
2495	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2496	# coro crashes during coro_state_free->destroy here.
2497
2498	$RELOAD_WATCHER ||= Event->timer (
2499	reentrant => 0,
2500	after => 0,
2501	data => WF_AUTOCANCEL,
2502	cb => sub {
2503	reload;	3577	reload_perl;
2504	undef $RELOAD_WATCHER;
2505	},
2506	);	3578	};
2507	}	3579	}
2508	};	3580	};
2509		3581
2510	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2511		3583
2512	my $bug_warning = 0;	3584	my $bug_warning = 0;
2513		3585
2514	$TICK_WATCHER = Event->timer (	3586	our @WAIT_FOR_TICK;
2515	reentrant => 0,	3587	our @WAIT_FOR_TICK_BEGIN;
2516	parked => 1,	3588
2517	prio => 0,	3589	sub wait_for_tick {
2518	at => $NEXT_TICK || $TICK,	3590	return unless $TICK_WATCHER->is_active;
2519	data => WF_AUTOCANCEL,	3591	return if $Coro::current == $Coro::main;
2520	cb => sub {	3592
		3593	my $signal = new Coro::Signal;
		3594	push @WAIT_FOR_TICK, $signal;
		3595	$signal->wait;
		3596	}
		3597
		3598	sub wait_for_tick_begin {
		3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
		3602	my $signal = new Coro::Signal;
		3603	push @WAIT_FOR_TICK_BEGIN, $signal;
		3604	$signal->wait;
		3605	}
		3606
		3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2521	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2522	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2523	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2524	return;	3611	return;
2525	}	3612	}
2526		3613
2527	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2528		3615
2529	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2530	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2531	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2532		3620
2533	$WAIT_FOR_TICK->broadcast;	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2534	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2535		3623	Coro::async_pool {
2536	# my $AFTER = Event::time;	3624	$Coro::current->{desc} = "runtime saver";
2537	# warn $AFTER - $NOW;#d#	3625	write_runtime
2538		3626	or warn "ERROR: unable to write runtime file: $!";
2539	# if we are delayed by four ticks or more, skip them all	3627	};
2540	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2541
2542	$TICK_WATCHER->at ($NEXT_TICK);
2543	$TICK_WATCHER->start;
2544	},	3628	}
2545	);	3629
		3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3631	$sig->send;
		3632	}
		3633	while (my $sig = shift @WAIT_FOR_TICK) {
		3634	$sig->send;
		3635	}
		3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2546		3643
2547	{	3644	{
2548	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2549	$BDB_POLL_WATCHER = Event->io (	3646
2550	reentrant => 0,
2551	fd => BDB::poll_fileno,
2552	poll => 'r',
2553	prio => 0,
2554	data => WF_AUTOCANCEL,
2555	cb => \&BDB::poll_cb,
2556	);
2557	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2558		3648	BDB::max_poll_reqs $TICK * 0.1;
2559	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2560	my $status;
2561	my $current = $Coro::current;
2562	(
2563	sub {
2564	$status = $!;
2565	$current->ready; undef $current;
2566	},
2567	sub {
2568	Coro::schedule while defined $current;
2569	$! = $status;
2570	},
2571	)
2572	};
2573		3650
2574	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2575	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2576		3657
2577	cf::sync_job {	3658	cf::sync_job {
2578	eval {	3659	eval {
2579	BDB::db_env_open	3660	BDB::db_env_open
2580	$DB_ENV,	3661	$DB_ENV,
2581	$BDB_ENV_DIR,	3662	$BDBDIR,
2582	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2583	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2584	0666;	3665	0666;
2585		3666
2586	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2587
2588	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2589	$DB_ENV->set_lk_detect;
2590	};	3668	};
2591		3669
2592	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2593	};	3671	};
2594	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2595	}	3683	}
2596		3684
2597	{	3685	{
		3686	# configure IO::AIO
		3687
2598	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2599
2600	undef $Coro::AIO::WATCHER;
2601	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2602	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2603	reentrant => 0,
2604	fd => IO::AIO::poll_fileno,
2605	poll => 'r',
2606	prio => 6,
2607	data => WF_AUTOCANCEL,
2608	cb => \&IO::AIO::poll_cb,
2609	);
2610	}	3691	}
2611		3692
2612	$WRITE_RUNTIME_WATCHER = Event->timer (	3693	my $_log_backtrace;
2613	reentrant => 0,
2614	data => WF_AUTOCANCEL,
2615	parked => 1,
2616	after => 1,
2617	interval => 10,
2618	prio => 6, # keep it lowest so it acts like a watchdog
2619	cb => sub {
2620	$TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621		3694
2622	Coro::async_pool {	3695	sub _log_backtrace {
2623	write_runtime	3696	my ($msg, @addr) = @_;
2624	or warn "ERROR: unable to write runtime file: $!";	3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
2625	};	3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
2626	},	3730	}
2627	);	3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2628		3735
2629	END { cf::emergency_save }	3736	END { cf::emergency_save }
2630		3737
2631	1	3738	1
2632		3739

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