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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.250 by root, Wed Apr 18 14:24:10 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC

…		…
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Socket;	8	use Socket;
9	use Storable;	9	use EV 1.86;
10	use Event;
11	use Opcode;	10	use Opcode;
12	use Safe;	11	use Safe;
13	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
14		14
15	use Coro 3.61 ();	15	use Coro 4.32 ();
16	use Coro::State;	16	use Coro::State;
17	use Coro::Handle;	17	use Coro::Handle;
18	use Coro::Event;	18	use Coro::EV;
19	use Coro::Timer;	19	use Coro::Timer;
20	use Coro::Signal;	20	use Coro::Signal;
21	use Coro::Semaphore;	21	use Coro::Semaphore;
22	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
23	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
24		26
		27	use JSON::XS 2.01 ();
25	use BDB ();	28	use BDB ();
26	use Data::Dumper;	29	use Data::Dumper;
27	use Digest::MD5;	30	use Digest::MD5;
28	use Fcntl;	31	use Fcntl;
29	use YAML::Syck ();	32	use YAML::Syck ();
30	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
31	use Time::HiRes;	34	use Time::HiRes;
32	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
33		37
34	# configure various modules to our taste	38	# configure various modules to our taste
35	#	39	#
36	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
37	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator	41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
38	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
39		43
40	$Event::Eval = 1; # no idea why this is required, but it is
41
42	# 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?
43	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
44		46
45	$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
46		48
…		…
49	our %COMMAND = ();	51	our %COMMAND = ();
50	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
51		53
52	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
53	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
54	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
55	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
56		59
57	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
58	our @EVENT;	61	our @EVENT;
59	our $LIBDIR = datadir . "/ext";	62
		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;
60		75
61	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)	76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
62	our $TICK_WATCHER;	77	our $TICK_WATCHER;
63	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
64	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
65	our $NEXT_TICK;	80	our $NEXT_TICK;
66	our $NOW;
67	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
68		82
69	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
70	our $DB_ENV;	87	our $DB_ENV;
71		88
72	our %CFG;	89	our %CFG;
73		90
74	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
75	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
76		94
77	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
78	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
79	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
80	our $RANDOM_MAPS = cf::localdir . "/random";
81	our $BDB_ENV_DIR = cf::localdir . "/db";
82		98
83	# 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 ∕
84	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
85		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 $tick_start; # for load detecting purposes
		105
86	binmode STDOUT;	106	binmode STDOUT;
87	binmode STDERR;	107	binmode STDERR;
88		108
89	# read virtual server time, if available	109	# read virtual server time, if available
90	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
91	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
92	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
93	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
94	}	114	}
95		115
96	mkdir cf::localdir;	116	mkdir $_
97	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
98	mkdir cf::localdir . "/" . cf::tmpdir;
99	mkdir cf::localdir . "/" . cf::uniquedir;
100	mkdir $RANDOM_MAPS;
101	mkdir $BDB_ENV_DIR;
102		118
103	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
104		120
105	sub cf::map::normalise;	121	sub cf::map::normalise;
106		122
…		…
117	=item $cf::RUNTIME	133	=item $cf::RUNTIME
118		134
119	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
120	every server tick.	136	every server tick.
121		137
122	=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
123		141
124	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
125	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.
126		146
127	=item $cf::NOW	147	=item $cf::NOW
128		148
129	The time of the last (current) server tick.	149	The time of the last (current) server tick.
130		150
131	=item $cf::TICK	151	=item $cf::TICK
132		152
133	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
134		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
135	=item %cf::CFG	165	=item %cf::CFG
136		166
137	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
138	from wherever your confdir points to.	168	from wherever your confdir points to.
139		169
140	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
141		171
142	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
143	returns directly I<after> the tick processing (and consequently, can only wake one process	173	returns directly I<after> the tick processing (and consequently, can only wake one process
144	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
145		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.
		181
146	=back	182	=back
147		183
148	=cut	184	=cut
149		185
150	BEGIN {	186	BEGIN {
…		…
152	my $msg = join "", @_;	188	my $msg = join "", @_;
153		189
154	$msg .= "\n"	190	$msg .= "\n"
155	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
156		192
157	$msg =~ s/([\x00-\x09\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;	193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
158		194
159	utf8::encode $msg;
160	LOG llevError, $msg;	195	LOG llevError, $msg;
161	};	196	};
162	}	197	}
163		198
164	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
165	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
166	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
167	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
168	@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';
169	@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)
170		206
171	# 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
172	# within the Safe compartment.	208	# within the Safe compartment.
173	for my $pkg (qw(	209	for my $pkg (qw(
174	cf::global cf::attachable	210	cf::global cf::attachable
…		…
179	)) {	215	)) {
180	no strict 'refs';	216	no strict 'refs';
181	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
182	}	218	}
183		219
184	$Event::DIED = sub {	220	$EV::DIED = sub {
185	warn "error in event callback: @_";	221	warn "error in event callback: @_";
186	};	222	};
		223
		224	#############################################################################
187		225
188	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
189		227
190	=over 4	228	=over 4
191		229
…		…
210	$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;
211	$d	249	$d
212	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
213	}	251	}
214		252
215	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
216
217	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
218		254
219	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
220		256
221	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
		260
		261	=cut
		262
		263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
		264
		265	sub encode_json($) { $json_coder->encode ($_[0]) }
		266	sub decode_json($) { $json_coder->decode ($_[0]) }
224		267
225	=item cf::lock_wait $string	268	=item cf::lock_wait $string
226		269
227	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
228		271
…		…
231	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
232	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,
233	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
234	returned.	277	returned.
235		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
236	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
237	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
238		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
239	=cut	289	=cut
240		290
241	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
242		293
243	sub lock_wait($) {	294	sub lock_wait($) {
244	my ($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#
245		301
246	# wait for lock, if any	302	# wait for lock, if any
247	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
248	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
249	Coro::schedule;	305	Coro::schedule;
…		…
255		311
256	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
257	lock_wait $key;	313	lock_wait $key;
258		314
259	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
260		317
261	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
262	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
263	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
264	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
265	}	329	}
266		330
267	sub freeze_mainloop {	331	sub freeze_mainloop {
268	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
269		333
…		…
272	};	336	};
273	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
274	$guard	338	$guard
275	}	339	}
276		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	$sig->wait;
		412	}
		413
277	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
278		415
279	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
280	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
281	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
284		421
285	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
286		423
287	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
288		425
289	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
290	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
291	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
292		430
293	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
294	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
295	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
296	fast or be very important.	434	fast or be very important.
…		…
299		437
300	sub sync_job(&) {	438	sub sync_job(&) {
301	my ($job) = @_;	439	my ($job) = @_;
302		440
303	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
304	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
305	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
306		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
307	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
308	# (but this is cancel-safe)	450	# (but this is cancel-safe)
309	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
310		452
311	my $busy = 1;	453	my $busy = 1;
312	my @res;	454	my @res;
313		455
314	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
315	@res = eval { $job->() };	458	@res = eval { $job->() };
316	warn $@ if $@;	459	warn $@ if $@;
317	undef $busy;	460	undef $busy;
318	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
319		462
320	while ($busy) {	463	while ($busy) {
321	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
322	}	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
323		477
324	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
325	} else {	479	} else {
326	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
327		481
…		…
347	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
348		502
349	$coro	503	$coro
350	}	504	}
351		505
352	sub write_runtime {	506	=item fork_call { }, $args
353	my $guard = cf::lock_acquire "write_runtime";
354		507
355	my $runtime = cf::localdir . "/runtime";	508	Executes the given code block with the given arguments in a seperate
		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.
356		512
357	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
358	or return;
359		514
360	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
361	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
362	# 60 allows for the watchdog to kill the server.
363		517
364	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
365	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
366		521
367	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
368	aio_fsync $fh	523	reset_signals;
369	and return;	524	&$cb
		525	}, @args;
370		526
371	close $fh	527	wantarray ? @res : $res[-1]
372	or return;	528	}
373		529
374	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
375	and return;
376		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
377	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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"
378	}	655	}
379		656
380	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
381		658
382	Log a datalog packet of the given type with the given key-value pairs.	659	Log a datalog packet of the given type with the given key-value pairs.
…		…
400	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")
401	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
402		679
403	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>
404	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
405	crossfire+).	682	Deliantra).
406		683
407	=over 4	684	=over 4
408		685
409	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
410		687
…		…
573	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
574		851
575	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
576	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
577	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
578	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
579		856
580	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
581	my $pkg = shift @arg;	858	my $pkg = shift @arg;
582		859
583	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
612	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
613	}	890	}
614		891
615	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
616	} else {	893	} else {
617	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
618	}	895	}
619		896
620	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
621	}	898	}
622		899
…		…
624	if (ref $_[0]) {	901	if (ref $_[0]) {
625	_object_attach @_;	902	_object_attach @_;
626	} else {	903	} else {
627	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
628	}	905	}
		906	_recalc_want;
629	};	907	};
630		908
631	# all those should be optimised	909	# all those should be optimised
632	sub cf::attachable::detach {	910	sub cf::attachable::detach {
633	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
636	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
637	reattach ($obj);	915	reattach ($obj);
638	} else {	916	} else {
639	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
640	}	918	}
		919	_recalc_want;
641	};	920	};
642		921
643	sub cf::attachable::attached {	922	sub cf::attachable::attached {
644	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
645		924
…		…
660	";	939	";
661	die if $@;	940	die if $@;
662	}	941	}
663		942
664	our $override;	943	our $override;
665	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?
666		945
667	sub override {	946	sub override {
668	$override = 1;	947	$override = 1;
669	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
670	}	949	}
671		950
672	sub do_invoke {	951	sub do_invoke {
673	my $event = shift;	952	my $event = shift;
674	my $callbacks = shift;	953	my $callbacks = shift;
675		954
676	@invoke_results = ();	955	@INVOKE_RESULTS = ();
677		956
678	local $override;	957	local $override;
679		958
680	for (@$callbacks) {	959	for (@$callbacks) {
681	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
698		977
699	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
700		979
701	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
702	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
703	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
704		983
705	=back	984	=back
706		985
707	=cut	986	=cut
708		987
709	#############################################################################	988	#############################################################################
710	# 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, $ob2
		1031	}
711		1032
712	sub reattach {	1033	sub reattach {
713	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
714	my ($obj) = @_;	1035	my ($obj) = @_;
715		1036
…		…
736	cf::attachable->attach (	1057	cf::attachable->attach (
737	prio => -1000000,	1058	prio => -1000000,
738	on_instantiate => sub {	1059	on_instantiate => sub {
739	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
740		1061
741	$data = from_json $data;	1062	$data = decode_json $data;
742		1063
743	for (@$data) {	1064	for (@$data) {
744	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
745		1066
746	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
762	sub object_freezer_save {	1083	sub object_freezer_save {
763	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
764		1085
765	sync_job {	1086	sync_job {
766	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
767	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
768	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
769		1091
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	1096	close $fh;
775		1097
776	if (@$objs) {	1098	if (@$objs) {
777	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) {
778	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	1104	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
784	}	1106	}
…		…
792	}	1114	}
793	} else {	1115	} else {
794	aio_unlink $filename;	1116	aio_unlink $filename;
795	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
796	}	1118	}
797	}	1119	};
798	}	1120	}
799		1121
800	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
801	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
802		1124
…		…
814	or return;	1136	or return;
815		1137
816	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
817	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
818	or return;	1140	or return;
		1141
819	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
820	}	1144	}
821		1145
		1146	utf8::decode (my $decname = $filename);
822	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
823	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
824	return ($data, $av);	1150	($data, $av)
825	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
826		1158
827	#############################################################################	1159	#############################################################################
828	# command handling &c	1160	# command handling &c
829		1161
830	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
843	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
844	}	1176	}
845		1177
846	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
847		1179
848	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.
849		1185
850	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
851	called.	1187	called.
852		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
853	=cut	1200	=cut
854		1201
855	sub register_extcmd {	1202	sub register_extcmd {
856	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
857		1204
858	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
859	}	1212	}
860		1213
861	cf::player->attach (	1214	cf::player->attach (
862	on_command => sub {	1215	on_command => sub {
863	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
872	cf::override;	1225	cf::override;
873	},	1226	},
874	on_extcmd => sub {	1227	on_extcmd => sub {
875	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
876		1229
877	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
878		1231
879	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
880	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
881	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
882	$pl->ext_reply ($msg->{msgid}, %reply);
883	}
884	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
885	} else {	1247	} else {
886	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
887	}	1249	}
888		1250
889	cf::override;	1251	cf::override;
890	},	1252	},
891	);	1253	);
892		1254
893	sub load_extension {
894	my ($path) = @_;
895
896	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
897	my $base = $1;
898	my $pkg = $1;
899	$pkg =~ s/[^[:word:]]/_/g;
900	$pkg = "ext::$pkg";
901
902	warn "... loading '$path' into '$pkg'\n";
903
904	open my $fh, "<:utf8", $path
905	or die "$path: $!";
906
907	my $source =
908	"package $pkg; use strict; use utf8;\n"
909	. "#line 1 \"$path\"\n{\n"
910	. (do { local $/; <$fh> })
911	. "\n};\n1";
912
913	unless (eval $source) {
914	my $msg = $@ ? "$path: $@\n"
915	: "extension disabled.\n";
916	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
917	warn $@;
918	warn "mandatory extension failed to load, exiting.\n";
919	exit 1;
920	}
921	die $@;
922	}
923
924	push @EXTS, $pkg;
925	}
926
927	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
928	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
929	next unless -r $ext;	1260	next unless -r $path;
930	eval {	1261
931	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	$progress = 1;
932	1	1319	}
933	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
934	}	1325	};
935	}	1326	}
936		1327
937	#############################################################################	1328	#############################################################################
938		1329
		1330	=back
		1331
939	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
940		1333
941	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
942		1335
943	=cut	1336	=cut
…		…
948		1341
949	=head3 cf::player	1342	=head3 cf::player
950		1343
951	=over 4	1344	=over 4
952		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
953	=item cf::player::find $login	1360	=item cf::player::find $login
954		1361
955	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
956		1363
957	=cut	1364	=cut
958		1365
959	sub playerdir($) {	1366	sub playerdir($) {
960	cf::localdir	1367	"$PLAYERDIR/"
961	. "/"
962	. cf::playerdir
963	. "/"
964	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
965	}	1369	}
966		1370
967	sub path($) {	1371	sub path($) {
968	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
995	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
996	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
997	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
998	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
999		1403
1000	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
1001	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;
1002	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
1003	}	1412	}
1004	}	1413	}
1005	}	1414	}
1006		1415
…		…
1016		1425
1017	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1018	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1019		1428
1020	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1021	Coro::cede;	1430	cf::cede_to_tick;
1022	}	1431	}
1023		1432
1024	sub new($) {	1433	sub new($) {
1025	my ($login) = @_;	1434	my ($login) = @_;
1026		1435
…		…
1030	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1031		1440
1032	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1033		1442
1034	$self	1443	$self
		1444	}
		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 (@_);
1035	}	1454	}
1036		1455
1037	=item $pl->quit_character	1456	=item $pl->quit_character
1038		1457
1039	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
…		…
1088	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1089		1508
1090	=cut	1509	=cut
1091		1510
1092	sub list_logins {	1511	sub list_logins {
1093	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1094	or return [];	1513	or return [];
1095		1514
1096	my @logins;	1515	my @logins;
1097		1516
1098	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") {
1099	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1100	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1101	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1102		1526
1103	utf8::decode $login;	1527	utf8::decode $login;
1104	push @logins, $login;	1528	push @logins, $login;
1105	}	1529	}
1106		1530
…		…
1133	}	1557	}
1134		1558
1135	\@paths	1559	\@paths
1136	}	1560	}
1137		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
1138	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1139		1656
1140	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1141		1658
1142	=cut	1659	=cut
1143		1660
1144	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1145	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1146		1663
1147	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1148
1149	$self->send ("ext " . cf::to_json \%msg);
1150	}	1665	}
1151		1666
1152	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1153		1668
1154	Sends an ext event to the client.	1669	Sends an ext event to the client.
1155		1670
1156	=cut	1671	=cut
1157		1672
1158	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1159	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1160		1675
1161	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1162	}	1677	}
1163		1678
1164	=head3 cf::region	1679	=head3 cf::region
1165		1680
1166	=over 4	1681	=over 4
…		…
1169		1684
1170	package cf::region;	1685	package cf::region;
1171		1686
1172	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1173		1688
1174	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1175		1690
1176	=cut	1691	=cut
1177		1692
1178	sub find_by_path($) {	1693	sub find_by_path($) {
1179	my ($path) = @_;	1694	my ($path) = @_;
1180		1695
1181	my ($match, $specificity);	1696	my ($match, $specificity);
1182		1697
1183	for my $region (list) {	1698	for my $region (list) {
1184	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1185	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1186	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1187	}	1702	}
1188	}	1703	}
1189		1704
…		…
1253	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1254		1769
1255	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1256	local $self->{path};	1771	local $self->{path};
1257	local $self->{load_path};	1772	local $self->{load_path};
1258	local $self->{deny_save};
1259	local $self->{deny_reset};
1260		1773
1261	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1262	}	1775	}
1263		1776
1264	sub normalise {	1777	sub normalise {
…		…
1311	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1312	return $self;	1825	return $self;
1313	}	1826	}
1314	}	1827	}
1315		1828
1316	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1317	()	1830	()
1318	}	1831	}
1319		1832
1320	sub init {	1833	sub init {
1321	my ($self) = @_;	1834	my ($self) = @_;
…		…
1336		1849
1337	# the original (read-only) location	1850	# the original (read-only) location
1338	sub load_path {	1851	sub load_path {
1339	my ($self) = @_;	1852	my ($self) = @_;
1340		1853
1341	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1342	}	1855	}
1343		1856
1344	# the temporary/swap location	1857	# the temporary/swap location
1345	sub save_path {	1858	sub save_path {
1346	my ($self) = @_;	1859	my ($self) = @_;
1347		1860
1348	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1349	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1350	}	1863	}
1351		1864
1352	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1353	sub uniq_path {	1866	sub uniq_path {
1354	my ($self) = @_;	1867	my ($self) = @_;
1355		1868
1356	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1357	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1358	}	1871	}
1359		1872
1360	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1361	# all maps in C++...	1874	# all maps in C++...
1362	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1364		1877
1365	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1366	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1367	}	1880	}
1368		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1369	sub unlink_save {	1890	sub unlink_save {
1370	my ($self) = @_;	1891	my ($self) = @_;
1371		1892
1372	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1373	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1376		1897
1377	sub load_header_from($) {	1898	sub load_header_from($) {
1378	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1379		1900
1380	utf8::encode $path;	1901	utf8::encode $path;
1381	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1382	# or return;
1383
1384	$self->_load_header ($path)
1385	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;
1386		1910
1387	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1388		1912
1389	1	1913	1
1390	}	1914	}
…		…
1429	$self->load_header_orig	1953	$self->load_header_orig
1430	or return;	1954	or return;
1431	$self->prepare_orig;	1955	$self->prepare_orig;
1432	}	1956	}
1433		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1434	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1435	unless $self->default_region;	1962	unless $self->default_region;
1436		1963
1437	1	1964	1
1438	}	1965	}
…		…
1441	sub find {	1968	sub find {
1442	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1443		1970
1444	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1445		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1446	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1447		1975
1448	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1449	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
1450	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1451	or return;	1981	or return;
1452		1982
1453	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1454		1984
1455	$map->load_header	1985	$map->load_header
1456	or return;	1986	or return;
1457		1987
1458	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1459	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1460	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1461	$map->reset;	1993	$map->reset;
1462	undef $guard;
1463	return find $path;	1994	return find $path;
1464	}	1995	}
1465		1996
1466	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1467	}	1998	}
…		…
1474	my ($self) = @_;	2005	my ($self) = @_;
1475		2006
1476	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1477		2008
1478	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1479	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1480		2013
		2014	return unless $self->valid;
1481	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1482		2016
1483	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1484		2018
1485	$self->alloc;	2019	$self->alloc;
1486		2020
1487	$self->pre_load;	2021	$self->pre_load;
1488	Coro::cede;	2022	cf::cede_to_tick;
1489		2023
1490	$self->_load_objects ($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)
1491	or return;	2027	or return;
1492		2028
1493	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1494	if delete $self->{load_original};	2030	if delete $self->{load_original};
1495		2031
1496	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1497	utf8::encode $uniq;	2033	utf8::encode $uniq;
1498	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1499	$self->clear_unique_items;	2036	$self->clear_unique_items;
1500	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1501	}	2040	}
1502	}	2041	}
1503		2042
1504	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1505	# now do the right thing for maps	2046	# now do the right thing for maps
1506	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1507	Coro::cede;
1508
1509	unless ($self->{deny_activate}) {
1510	$self->decay_objects;
1511	$self->fix_auto_apply;
1512	$self->update_buttons;
1513	Coro::cede;
1514	$self->set_darkness_map;
1515	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1516	unless $self->difficulty;	2049	unless $self->difficulty;
1517	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($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;
1518	$self->activate;	2059	$self->activate;
1519	Coro::cede;	2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1520	}	2066	}
1521		2067
1522	$self->post_load;	2068	$self->post_load;
1523	Coro::cede;
1524
1525	$self->in_memory (cf::MAP_IN_MEMORY);
1526	}	2069	}
1527		2070
1528	sub customise_for {	2071	sub customise_for {
1529	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1530		2073
1531	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1532	if $self->per_player;	2075	if $self->per_player;
1533		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1534	$self	2080	$self
1535	}	2081	}
1536		2082
1537	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1538	sub load_diag {	2084	sub load_neighbours {
1539	my ($map) = @_;	2085	my ($map) = @_;
1540		2086
1541	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1542		2088
1543	for (0 .. 3) {	2089	for (0 .. 3) {
1544	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1545	or next;	2091	or next;
1546	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1547	or next;	2093	or next;
1548	$neigh->load;	2094	$neigh->load;
1549		2095
		2096	push @neigh,
1550	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1551	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1552	}	2099	}
1553		2100
1554	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1555	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1556	or next;	2104	or next;
1557	$neigh->load;	2105	$neigh->load;
1558	}	2106	}
1559	}	2107	}
1560		2108
…		…
1565	}	2113	}
1566		2114
1567	sub do_load_sync {	2115	sub do_load_sync {
1568	my ($map) = @_;	2116	my ($map) = @_;
1569		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1570	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1571	}	2122	}
1572		2123
1573	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1574	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1575		2126
1576	sub find_async {	2127	sub find_async {
1577	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1578		2129
1579	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1580		2131
1581	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1582	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1583	}	2134	}
1584		2135
1585	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1586	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1587	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1588	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1589	my $map = find $path	2143	if (my $map = find $k) {
1590	or next;
1591	$map->load;	2144	$map->load if $v;
		2145	}
1592		2146
1593	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1594	}	2148	}
1595	}	2149	}
1596	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1597	};	2151	};
1598	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1601	}	2155	}
1602		2156
1603	sub save {	2157	sub save {
1604	my ($self) = @_;	2158	my ($self) = @_;
1605		2159
1606	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1607		2161
1608	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1609		2163
1610	return unless $self->dirty;	2164	return unless $self->dirty;
1611		2165
…		…
1617	return if $self->{deny_save};	2171	return if $self->{deny_save};
1618		2172
1619	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1620		2174
1621	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1622	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1623	};	2178	};
1624		2179
1625	if ($uniq) {	2180	if ($uniq) {
1626	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1634	my ($self) = @_;	2189	my ($self) = @_;
1635		2190
1636	# save first because save cedes	2191	# save first because save cedes
1637	$self->save;	2192	$self->save;
1638		2193
1639	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1640		2195
1641	return if $self->players;	2196	return if $self->players;
1642	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1643	return if $self->{deny_save};	2198	return if $self->{deny_save};
1644		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1645	$self->clear;	2204	$self->clear;
1646	$self->in_memory (cf::MAP_SWAPPED);
1647	}	2205	}
1648		2206
1649	sub reset_at {	2207	sub reset_at {
1650	my ($self) = @_;	2208	my ($self) = @_;
1651		2209
1652	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1653	return 1e99 if $self->isa ("ext::map_per_player");#d#
1654	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1655		2212
1656	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1657	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1658		2215
…		…
1669	my ($self) = @_;	2226	my ($self) = @_;
1670		2227
1671	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1672		2229
1673	return if $self->players;	2230	return if $self->players;
1674	return if $self->isa ("ext::map_per_player");#d#
1675		2231
1676	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1677		2233
1678	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1679		2235
1680	# need to save uniques path	2236	# need to save uniques path
1681	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1685	if $uniq;	2241	if $uniq;
1686	}	2242	}
1687		2243
1688	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1689		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1690	$self->clear;	2248	$self->clear;
1691
1692	$_->clear_links_to ($self) for values %cf::MAP;
1693		2249
1694	$self->unlink_save;	2250	$self->unlink_save;
1695	$self->destroy;	2251	$self->destroy;
1696	}	2252	}
1697		2253
1698	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1699		2255
1700	sub nuke {	2256	sub nuke {
1701	my ($self) = @_;	2257	my ($self) = @_;
1702		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1703	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1704		2263
1705	$self->unlink_save;	2264	$self->unlink_save;
1706		2265
1707	bless $self, "cf::map";	2266	bless $self, "cf::map";
1708	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1709	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1710	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1711	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1712		2271
1713	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1714		2274
1715	$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	]
1716	}	2312	}
1717		2313
1718	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1719		2315
1720	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1721	instantiated unique items. May block.	2317	instantiated unique items. May block.
1722		2318
1723	=cut	2319	=cut
1724		2320
1725	sub unique_maps() {	2321	sub unique_maps() {
1726	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1727	or return;	2323	map {
1728
1729	my @paths;
1730
1731	for (@$files) {
1732	utf8::decode $_;	2324	utf8::decode $_;
1733	next if /\.pst$/;	2325	/\.map$/
1734	next unless /^$PATH_SEP/o;	2326	? normalise $_
1735		2327	: ()
1736	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1737	}	2329	]
1738
1739	\@paths
1740	}	2330	}
1741		2331
1742	package cf;	2332	package cf;
1743		2333
1744	=back	2334	=back
…		…
1762	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1763	}	2353	}
1764		2354
1765	sub inv_recursive {	2355	sub inv_recursive {
1766	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	}
1767	}	2385	}
1768		2386
1769	package cf;	2387	package cf;
1770		2388
1771	=back	2389	=back
…		…
1790		2408
1791	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1792		2410
1793	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1794	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1795	} 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 {
1796	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1797	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1798	}	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 (@_);
1799	}	2436	}
1800		2437
1801	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1802		2439
1803	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1850	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1851		2488
1852	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1853		2490
1854	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1855	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1856		2493
1857	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1858	}	2495	}
1859		2496
1860	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1861	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1862		2501
1863	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1864		2503
1865	unless ($map) {	2504	unless ($map) {
1866	# restore original map position	2505	# restore original map position
…		…
1880	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1881	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1882	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1883		2522
1884	$map->load;	2523	$map->load;
1885	$map->load_diag;	2524	$map->load_neighbours;
1886		2525
1887	return unless $self->contr->active;	2526	return unless $self->contr->active;
1888	$self->activate_recursive;	2527	$self->activate_recursive;
1889		2528
1890	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1891	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1892	}	2531	}
1893		2532
1894	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1895	on_logout => sub {
1896	my ($pl) = @_;
1897		2534
1898	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1899	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1900	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1901	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1902	};	2539	be called at the end of this process.
1903	}
1904	},
1905	on_login => sub {
1906	my ($pl) = @_;
1907		2540
1908	# try to abort aborted map switching on player login :)
1909	# should happen only on crashes
1910	if ($pl->ob->{_link_pos}) {
1911	$pl->ob->enter_link;
1912	(async {
1913	$pl->ob->reply (undef,
1914	"There was an internal problem at your last logout, "
1915	. "the server will try to bring you to your intended destination in a second.",
1916	cf::NDI_RED);
1917	# we need this sleep as the login has a concurrent enter_exit running
1918	# and this sleep increases chances of the player not ending up in scorn
1919	Coro::Timer::sleep 1;
1920	$pl->ob->leave_link;
1921	})->prio (2);
1922	}
1923	},
1924	);
1925
1926	=item $player_object->goto ($path, $x, $y)
1927
1928	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1929		2544
1930	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1931	my ($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;
1932		2550
1933	$self->enter_link;	2551	$self->enter_link;
1934		2552
1935	(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
1936	my $map = eval {	2575	my $map = eval {
1937	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1938	$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
1939	$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 $@;
1940	} or	2591	}
1941	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1942		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1943	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1944	})->prio (1);	2599	})->prio (1);
1945	}	2600	}
1946		2601
1947	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1948		2603
…		…
1985	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1986	}	2641	}
1987		2642
1988	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1989		2644
1990	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1991	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1992	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1993		2648
1994	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1995	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1996	undef $fh;	2651	undef $fh;
1997	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
2017	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2018	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2019		2674
2020	$self->enter_link;	2675	$self->enter_link;
2021		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
2022	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2023	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2024	unless (eval {	2685	unless (eval {
2025	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2026		2687
2027	1;	2688	1;
…		…
2053		2714
2054	utf8::encode $text;	2715	utf8::encode $text;
2055	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
2056	}	2717	}
2057		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
2058	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2059		2844
2060	Sends an exti event to the client.	2845	Sends an ext event to the client.
2061		2846
2062	=cut	2847	=cut
2063		2848
2064	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2065	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2066		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2067	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2068	$self->send_packet ("ext " . cf::to_json \%msg);	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	}
2069	}	2876	}
2070		2877
2071	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2072		2879
2073	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2074	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>,
2075	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>.
2076		2883
2077	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
2078	reliable at some point in the future.	2885	become reliable at some point in the future.
2079		2886
2080	=cut	2887	=cut
2081		2888
2082	sub cf::client::query {	2889	sub cf::client::query {
2083	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2091	utf8::encode $text;	2898	utf8::encode $text;
2092	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2093		2900
2094	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2095	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2096	}	2905	}
2097		2906
2098	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	},
2099	on_reply => sub {	2913	on_reply => sub {
2100	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2101		2915
2102	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2103	# get handled first	2917	# get handled first
…		…
2115	} else {	2929	} else {
2116	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2117	}	2931	}
2118	}	2932	}
2119	},	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	},
2120	);	2960	);
2121		2961
2122	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2123		2963
2124	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2165	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2166	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2167		3007
2168	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2169		3009
2170	$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	));
2171		3015
2172	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2173		3017
2174	=pod	3018	=pod
2175		3019
2176	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2177		3021
2178	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
2179	cf::object::player player	3026	cf::object::player
2180	cf::player peaceful	3027	player
2181	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2182		3034
2183	=cut	3035	=cut
2184		3036
2185	for (	3037	for (
2186	["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)],
2187	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2188	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2189	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2190	) {	3044	) {
2191	no strict 'refs';	3045	no strict 'refs';
…		…
2262	=back	3116	=back
2263		3117
2264	=cut	3118	=cut
2265		3119
2266	#############################################################################	3120	#############################################################################
2267
2268	=head2 EXTENSION DATABASE SUPPORT
2269
2270	Crossfire maintains a very simple database for extension use. It can
2271	currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to
2272	convert to/from binary).
2273
2274	The parameter C<$family> should best start with the name of the extension
2275	using it, it should be unique.
2276
2277	=over 4
2278
2279	=item $value = cf::db_get $family => $key
2280
2281	Returns a single value from the database.
2282
2283	=item cf::db_put $family => $key => $value
2284
2285	Stores the given C<$value> in the family.
2286
2287	=cut
2288
2289	our $DB;
2290
2291	sub db_init {
2292	unless ($DB) {
2293	$DB = BDB::db_create $DB_ENV;
2294
2295	cf::sync_job {
2296	eval {
2297	$DB->set_flags (BDB::CHKSUM);
2298
2299	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2300	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2301	cf::cleanup "db_open(db): $!" if $!;
2302	};
2303	cf::cleanup "db_open(db): $@" if $@;
2304	};
2305	}
2306	}
2307
2308	sub db_get($$) {
2309	my $key = "$_[0]/$_[1]";
2310
2311	cf::sync_job {
2312	BDB::db_get $DB, undef, $key, my $data;
2313
2314	$! ? ()
2315	: $data
2316	}
2317	}
2318
2319	sub db_put($$$) {
2320	BDB::dbreq_pri 4;
2321	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
2322	}
2323
2324	=item cf::cache $id => [$paths...], $processversion => $process
2325
2326	Generic caching function that returns the value of the resource $id,
2327	caching and regenerating as required.
2328
2329	This function can block.
2330
2331	=cut
2332
2333	sub cache {
2334	my ($id, $src, $processversion, $process) = @_;
2335
2336	my $meta =
2337	join "\x00",
2338	$processversion,
2339	map {
2340	aio_stat $_
2341	and Carp::croak "$_: $!";
2342
2343	($_, (stat _)[7,9])
2344	} @$src;
2345
2346	my $dbmeta = db_get cache => "$id/meta";
2347	if ($dbmeta ne $meta) {
2348	# changed, we may need to process
2349
2350	my @data;
2351	my $md5;
2352
2353	for (0 .. $#$src) {
2354	0 <= aio_load $src->[$_], $data[$_]
2355	or Carp::croak "$src->[$_]: $!";
2356	}
2357
2358	# if processing is expensive, check
2359	# checksum first
2360	if (1) {
2361	$md5 =
2362	join "\x00",
2363	$processversion,
2364	map {
2365	Coro::cede;
2366	($src->[$_], Digest::MD5::md5_hex $data[$_])
2367	} 0.. $#$src;
2368
2369
2370	my $dbmd5 = db_get cache => "$id/md5";
2371	if ($dbmd5 eq $md5) {
2372	db_put cache => "$id/meta", $meta;
2373
2374	return db_get cache => "$id/data";
2375	}
2376	}
2377
2378	my $data = $process->(\@data);
2379
2380	db_put cache => "$id/data", $data;
2381	db_put cache => "$id/md5" , $md5;
2382	db_put cache => "$id/meta", $meta;
2383
2384	return $data;
2385	}
2386
2387	db_get cache => "$id/data"
2388	}
2389
2390	=item fork_call { }, $args
2391
2392	Executes the given code block with the given arguments in a seperate
2393	process, returning the results. Everything must be serialisable with
2394	Coro::Storable. May, of course, block. Note that the executed sub may
2395	never block itself or use any form of Event handling.
2396
2397	=cut
2398
2399	sub fork_call(&@) {
2400	my ($cb, @args) = @_;
2401
2402	# socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC
2403	# or die "socketpair: $!";
2404	pipe my $fh1, my $fh2
2405	or die "pipe: $!";
2406
2407	if (my $pid = fork) {
2408	close $fh2;
2409
2410	my $res = (Coro::Handle::unblock $fh1)->readline (undef);
2411	$res = Coro::Storable::thaw $res;
2412
2413	waitpid $pid, 0; # should not block anymore, we expect the child to simply behave
2414
2415	die $$res unless "ARRAY" eq ref $res;
2416
2417	return wantarray ? @$res : $res->[-1];
2418	} else {
2419	eval {
2420	local $SIG{__DIE__};
2421	local $SIG{__WARN__};
2422	close $fh1;
2423
2424	my @res = eval { $cb->(@args) };
2425	syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res);
2426	};
2427
2428	_exit 0;
2429	}
2430	}
2431
2432
2433
2434	#############################################################################
2435	# the server's init and main functions	3121	# the server's init and main functions
2436		3122
2437	sub load_facedata($) {	3123	sub load_facedata($) {
2438	my ($path) = @_;	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;
2439		3131
2440	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2441		3133
2442	my $facedata;	3134	my $facedata;
2443	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2446	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2447		3139
2448	$facedata->{version} == 2	3140	$facedata->{version} == 2
2449	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2450		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
2451	{	3150	{
2452	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2453		3152
2454	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2455	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2456	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2457	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2458	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2459	Coro::cede;	3160
		3161	cf::cede_to_tick;
2460	}	3162	}
2461		3163
2462	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2463	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2464	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2465	or next;	3168	or next;
		3169
2466	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2467	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2468	} else {	3173	} else {
2469	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2470	}	3175	}
2471	Coro::cede;	3176
		3177	cf::cede_to_tick;
2472	}	3178	}
2473	}	3179	}
2474		3180
2475	{	3181	{
2476	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2477		3183
2478	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2479	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2480	Coro::cede;	3186	cf::cede_to_tick;
2481	}	3187	}
2482		3188
2483	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2484	}	3190	}
2485		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	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		3225	$soundconf = $enc->decode (delete $soundconf->{data});
		3226
		3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3228	my $sound = $soundconf->{compat}[$_]
		3229	or next;
		3230
		3231	my $face = cf::face::find "sound/$sound->[1]";
		3232	cf::sound::set $sound->[0] => $face;
		3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3234	}
		3235
		3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3237	my $face = cf::face::find "sound/$v";
		3238	cf::sound::set $k => $face;
		3239	}
		3240	}
		3241	}
		3242
2486	1	3243	1
2487	}	3244	}
2488		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
		3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
		3259	load_resource_file "$MAPDIR/regions"
		3260	or die "unable to load regions file\n";
		3261
		3262	for (cf::region::list) {
		3263	$_->{match} = qr/$_->{match}/
		3264	if exists $_->{match};
		3265	}
		3266	}
		3267
2489	sub reload_facedata {	3268	sub reload_facedata {
2490	load_facedata sprintf "%s/facedata", cf::datadir	3269	load_facedata "$DATADIR/facedata"
2491	or die "unable to load facedata\n";	3270	or die "unable to load facedata\n";
2492	}	3271	}
2493		3272
2494	sub reload_regions {
2495	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2496	or die "unable to load regions file\n";
2497	}
2498
2499	sub reload_archetypes {	3273	sub reload_archetypes {
2500	load_resource_file sprintf "%s/archetypes", cf::datadir	3274	load_resource_file "$DATADIR/archetypes"
2501	or die "unable to load archetypes\n";	3275	or die "unable to load archetypes\n";
		3276	#d# NEED to laod twice to resolve forward references
		3277	# this really needs to be done in an extra post-pass
		3278	# (which needs to be synchronous, so solve it differently)
		3279	load_resource_file "$DATADIR/archetypes"
		3280	or die "unable to load archetypes\n";
2502	}	3281	}
2503		3282
2504	sub reload_treasures {	3283	sub reload_treasures {
2505	load_resource_file sprintf "%s/treasures", cf::datadir	3284	load_resource_file "$DATADIR/treasures"
2506	or die "unable to load treasurelists\n";	3285	or die "unable to load treasurelists\n";
2507	}	3286	}
2508		3287
2509	sub reload_resources {	3288	sub reload_resources {
2510	warn "reloading resource files...\n";	3289	warn "reloading resource files...\n";
2511		3290
2512	reload_regions;	3291	reload_regions;
2513	reload_facedata;	3292	reload_facedata;
		3293	#reload_archetypes;#d#
2514	reload_archetypes;	3294	reload_archetypes;
2515	reload_treasures;	3295	reload_treasures;
2516		3296
2517	warn "finished reloading resource files\n";	3297	warn "finished reloading resource files\n";
2518	}	3298	}
2519		3299
2520	sub init {	3300	sub init {
2521	reload_resources;	3301	reload_resources;
2522	}	3302	}
2523		3303
2524	sub cfg_load {	3304	sub reload_config {
2525	open my $fh, "<:utf8", cf::confdir . "/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2526	or return;	3306	or return;
2527		3307
2528	local $/;	3308	local $/;
2529	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
2530		3310
…		…
2545	sub main {	3325	sub main {
2546	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2547	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2548	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2549	(async {	3329	(async {
2550	Event::one_event;	3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
2551	})->prio (Coro::PRIO_MAX);	3332	})->prio (Coro::PRIO_MAX);
2552	};	3333	};
2553		3334
2554	cfg_load;	3335	reload_config;
2555	db_init;	3336	db_init;
2556	load_extensions;	3337	load_extensions;
2557		3338
2558	$TICK_WATCHER->start;	3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2559	Event::loop;	3341	EV::loop;
2560	}	3342	}
2561		3343
2562	#############################################################################	3344	#############################################################################
2563	# initialisation and cleanup	3345	# initialisation and cleanup
2564		3346
2565	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2566	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2567	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2568	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2569	reentrant => 0,
2570	data => WF_AUTOCANCEL,
2571	signal => $signal,
2572	prio => 0,
2573	cb => sub {
2574	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2575	},
2576	);	3353	};
		3354	}
		3355	}
		3356
		3357	sub write_runtime {
		3358	my $runtime = "$LOCALDIR/runtime";
		3359
		3360	# first touch the runtime file to show we are still running:
		3361	# the fsync below can take a very very long time.
		3362
		3363	IO::AIO::aio_utime $runtime, undef, undef;
		3364
		3365	my $guard = cf::lock_acquire "write_runtime";
		3366
		3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3368	or return;
		3369
		3370	my $value = $cf::RUNTIME + 90 + 10;
		3371	# 10 is the runtime save interval, for a monotonic clock
		3372	# 60 allows for the watchdog to kill the server.
		3373
		3374	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3375	and return;
		3376
		3377	# always fsync - this file is important
		3378	aio_fsync $fh
		3379	and return;
		3380
		3381	# touch it again to show we are up-to-date
		3382	aio_utime $fh, undef, undef;
		3383
		3384	close $fh
		3385	or return;
		3386
		3387	aio_rename "$runtime~", $runtime
		3388	and return;
		3389
		3390	warn "runtime file written.\n";
		3391
2577	}	3392	1
2578	}	3393	}
2579		3394
2580	sub emergency_save() {	3395	sub emergency_save() {
2581	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2582		3397
…		…
2588	# and maps saved/destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2589	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2590	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2591	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2592	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2593	$pl->save;	3409	$pl->save;
2594	}	3410	}
2595	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2596		3412
2597	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2636	warn "syncing database to disk";	3452	warn "syncing database to disk";
2637	BDB::db_env_txn_checkpoint $DB_ENV;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2638		3454
2639	# if anything goes wrong in here, we should simply crash as we already saved	3455	# if anything goes wrong in here, we should simply crash as we already saved
2640		3456
2641	warn "cancelling all WF_AUTOCANCEL watchers";
2642	for (Event::all_watchers) {
2643	$_->cancel if $_->data & WF_AUTOCANCEL;
2644	}
2645
2646	warn "flushing outstanding aio requests";	3457	warn "flushing outstanding aio requests";
2647	for (;;) {	3458	for (;;) {
2648	BDB::flush;	3459	BDB::flush;
2649	IO::AIO::flush;	3460	IO::AIO::flush;
2650	Coro::cede;	3461	Coro::cede_notself;
2651	last unless IO::AIO::nreqs || BDB::nreqs;	3462	last unless IO::AIO::nreqs || BDB::nreqs;
2652	warn "iterate...";	3463	warn "iterate...";
2653	}	3464	}
2654		3465
2655	++$RELOAD;	3466	++$RELOAD;
…		…
2659	%EXT_CORO = ();	3470	%EXT_CORO = ();
2660		3471
2661	warn "removing commands";	3472	warn "removing commands";
2662	%COMMAND = ();	3473	%COMMAND = ();
2663		3474
2664	warn "removing ext commands";	3475	warn "removing ext/exti commands";
2665	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2666		3478
2667	warn "unloading/nuking all extensions";	3479	warn "unloading/nuking all extensions";
2668	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2669	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2670		3482
…		…
2700	Symbol::delete_package "safe::$_"	3512	Symbol::delete_package "safe::$_"
2701	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3513	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2702		3514
2703	warn "unloading cf.pm \"a bit\"";	3515	warn "unloading cf.pm \"a bit\"";
2704	delete $INC{"cf.pm"};	3516	delete $INC{"cf.pm"};
		3517	delete $INC{"cf/pod.pm"};
2705		3518
2706	# don't, removes xs symbols, too,	3519	# don't, removes xs symbols, too,
2707	# and global variables created in xs	3520	# and global variables created in xs
2708	#Symbol::delete_package __PACKAGE__;	3521	#Symbol::delete_package __PACKAGE__;
2709		3522
…		…
2712	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2713	require cf;	3526	require cf;
2714	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2715		3528
2716	warn "loading config and database again";	3529	warn "loading config and database again";
2717	cf::cfg_load;	3530	cf::reload_config;
2718		3531
2719	warn "loading extensions";	3532	warn "loading extensions";
2720	cf::load_extensions;	3533	cf::load_extensions;
2721		3534
2722	warn "reattaching attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
…		…
2742		3555
2743	sub reload_perl() {	3556	sub reload_perl() {
2744	# doing reload synchronously and two reloads happen back-to-back,	3557	# doing reload synchronously and two reloads happen back-to-back,
2745	# coro crashes during coro_state_free->destroy here.	3558	# coro crashes during coro_state_free->destroy here.
2746		3559
2747	$RELOAD_WATCHER ||= Event->timer (	3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2748	reentrant => 0,
2749	after => 0,
2750	data => WF_AUTOCANCEL,
2751	cb => sub {
2752	do_reload_perl;
2753	undef $RELOAD_WATCHER;	3561	undef $RELOAD_WATCHER;
2754	},	3562	do_reload_perl;
2755	);	3563	};
2756	}	3564	}
2757		3565
2758	register_command "reload" => sub {	3566	register_command "reload" => sub {
2759	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2760		3568
2761	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2762	$who->message ("reloading server.");	3570	$who->message ("reloading server.");
		3571	async {
		3572	$Coro::current->{desc} = "perl_reload";
2763	async { reload_perl };	3573	reload_perl;
		3574	};
2764	}	3575	}
2765	};	3576	};
2766		3577
2767	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2768		3579
…		…
2787	my $signal = new Coro::Signal;	3598	my $signal = new Coro::Signal;
2788	push @WAIT_FOR_TICK_BEGIN, $signal;	3599	push @WAIT_FOR_TICK_BEGIN, $signal;
2789	$signal->wait;	3600	$signal->wait;
2790	}	3601	}
2791		3602
2792	$TICK_WATCHER = Event->timer (	3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2793	reentrant => 0,
2794	parked => 1,
2795	prio => 0,
2796	at => $NEXT_TICK || $TICK,
2797	data => WF_AUTOCANCEL,
2798	cb => sub {
2799	if ($Coro::current != $Coro::main) {	3604	if ($Coro::current != $Coro::main) {
2800	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2801	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2802	return;	3607	return;
2803	}	3608	}
2804		3609
2805	$NOW = Event::time;	3610	$NOW = $tick_start = EV::now;
2806		3611
2807	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
2808		3613
2809	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2810	$NEXT_TICK += $TICK;	3615	$NEXT_TICK = $_[0]->at;
2811		3616
2812	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2813	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2814	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2815	write_runtime	3621	write_runtime
2816	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2817	};
2818	}	3623	};
		3624	}
2819		3625
2820	# my $AFTER = Event::time;
2821	# warn $AFTER - $NOW;#d#
2822
2823	# if we are delayed by four ticks or more, skip them all
2824	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2825
2826	$TICK_WATCHER->at ($NEXT_TICK);
2827	$TICK_WATCHER->start;
2828
2829	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2830	$sig->send;	3627	$sig->send;
2831	}	3628	}
2832	while (my $sig = shift @WAIT_FOR_TICK) {	3629	while (my $sig = shift @WAIT_FOR_TICK) {
2833	$sig->send;	3630	$sig->send;
2834	}	3631	}
2835		3632
		3633	$LOAD = ($NOW - $tick_start) / $TICK;
		3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3635
2836	_post_tick;	3636	_post_tick;
2837	},	3637	};
2838	);	3638	$TICK_WATCHER->priority (EV::MAXPRI);
2839		3639
2840	{	3640	{
2841	BDB::max_poll_time $TICK * 0.1;	3641	# configure BDB
2842	$BDB_POLL_WATCHER = Event->io (	3642
2843	reentrant => 0,
2844	fd => BDB::poll_fileno,
2845	poll => 'r',
2846	prio => 0,
2847	data => WF_AUTOCANCEL,
2848	cb => \&BDB::poll_cb,
2849	);
2850	BDB::min_parallel 8;	3643	BDB::min_parallel 8;
2851		3644	BDB::max_poll_reqs $TICK * 0.1;
2852	BDB::set_sync_prepare {	3645	$Coro::BDB::WATCHER->priority (1);
2853	my $status;
2854	my $current = $Coro::current;
2855	(
2856	sub {
2857	$status = $!;
2858	$current->ready; undef $current;
2859	},
2860	sub {
2861	Coro::schedule while defined $current;
2862	$! = $status;
2863	},
2864	)
2865	};
2866		3646
2867	unless ($DB_ENV) {	3647	unless ($DB_ENV) {
2868	$DB_ENV = BDB::db_env_create;	3648	$DB_ENV = BDB::db_env_create;
		3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3650	| BDB::LOG_AUTOREMOVE, 1);
		3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2869		3653
2870	cf::sync_job {	3654	cf::sync_job {
2871	eval {	3655	eval {
2872	BDB::db_env_open	3656	BDB::db_env_open
2873	$DB_ENV,	3657	$DB_ENV,
2874	$BDB_ENV_DIR,	3658	$BDBDIR,
2875	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2876	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2877	0666;	3661	0666;
2878		3662
2879	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2880
2881	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2882	$DB_ENV->set_lk_detect;
2883	};	3664	};
2884		3665
2885	cf::cleanup "db_env_open(db): $@" if $@;	3666	cf::cleanup "db_env_open(db): $@" if $@;
2886	};	3667	};
2887	}	3668	}
		3669
		3670	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3671	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3672	};
		3673	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3674	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3675	};
		3676	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3677	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3678	};
2888	}	3679	}
2889		3680
2890	{	3681	{
		3682	# configure IO::AIO
		3683
2891	IO::AIO::min_parallel 8;	3684	IO::AIO::min_parallel 8;
2892
2893	undef $Coro::AIO::WATCHER;
2894	IO::AIO::max_poll_time $TICK * 0.1;	3685	IO::AIO::max_poll_time $TICK * 0.1;
2895	$AIO_POLL_WATCHER = Event->io (	3686	$Coro::AIO::WATCHER->priority (1);
2896	reentrant => 0,	3687	}
2897	data => WF_AUTOCANCEL,	3688
2898	fd => IO::AIO::poll_fileno,	3689	my $_log_backtrace;
2899	poll => 'r',	3690
2900	prio => 6,	3691	sub _log_backtrace {
2901	cb => \&IO::AIO::poll_cb,	3692	my ($msg, @addr) = @_;
2902	);	3693
		3694	$msg =~ s/\n//;
		3695
		3696	# limit the # of concurrent backtraces
		3697	if ($_log_backtrace < 2) {
		3698	++$_log_backtrace;
		3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
		3702	my @bt = fork_call {
		3703	@addr = map { sprintf "%x", $_ } @addr;
		3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3705	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3706	or die "addr2line: $!";
		3707
		3708	my @funcs;
		3709	my @res = <$fh>;
		3710	chomp for @res;
		3711	while (@res) {
		3712	my ($func, $line) = splice @res, 0, 2, ();
		3713	push @funcs, "[$func] $line";
		3714	}
		3715
		3716	@funcs
		3717	};
		3718
		3719	LOG llevInfo, "[ABT] $msg\n";
		3720	LOG llevInfo, "[ABT] $_\n" for @bt;
		3721	--$_log_backtrace;
		3722	};
		3723	} else {
		3724	LOG llevInfo, "[ABT] $msg\n";
		3725	LOG llevInfo, "[ABT] [suppressed]\n";
		3726	}
2903	}	3727	}
2904		3728
2905	# load additional modules	3729	# load additional modules
2906	use cf::pod;	3730	use cf::pod;
2907		3731

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