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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.240 by root, Mon Apr 16 10:14:25 2007 UTC vs.
Revision 1.406 by root, Mon Dec 17 08:27:44 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
9	use Event;	9	use EV 1.86;
10	use Opcode;	10	use Opcode;
11	use Safe;	11	use Safe;
12	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
13		14
14	use Coro 3.52 ();	15	use Coro 4.32 ();
15	use Coro::State;	16	use Coro::State;
		17	use Coro::Handle;
16	use Coro::Event;	18	use Coro::EV;
17	use Coro::Timer;	19	use Coro::Timer;
18	use Coro::Signal;	20	use Coro::Signal;
19	use Coro::Semaphore;	21	use Coro::Semaphore;
20	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
21	use Coro::Storable;	24	use Coro::Storable;
		25	use Coro::Util ();
22		26
		27	use JSON::XS 2.01 ();
23	use BDB ();	28	use BDB ();
24	use Data::Dumper;	29	use Data::Dumper;
25	use Digest::MD5;	30	use Digest::MD5;
26	use Fcntl;	31	use Fcntl;
27	use YAML::Syck ();	32	use YAML::Syck ();
28	use IO::AIO 2.32 ();	33	use IO::AIO 2.51 ();
29	use Time::HiRes;	34	use Time::HiRes;
30	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
31		37
32	# configure various modules to our taste	38	# configure various modules to our taste
33	#	39	#
34	$Storable::canonical = 1; # reduce rsync transfers	40	$Storable::canonical = 1; # reduce rsync transfers
35	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
36	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
37		43
38	$Event::Eval = 1; # no idea why this is required, but it is
39
40	# 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?
41	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
42		46
43	$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
44		48
…		…
47	our %COMMAND = ();	51	our %COMMAND = ();
48	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
49		53
50	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
51	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
52	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
53	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
54		59
55	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
56	our @EVENT;	61	our @EVENT;
57	our $LIBDIR = datadir . "/ext";
58		62
59	our $TICK = MAX_TIME * 1e-6;	63	our $CONFDIR = confdir;
		64	our $DATADIR = datadir;
		65	our $LIBDIR = "$DATADIR/ext";
		66	our $PODDIR = "$DATADIR/pod";
		67	our $MAPDIR = "$DATADIR/" . mapdir;
		68	our $LOCALDIR = localdir;
		69	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		70	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		71	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		72	our $RANDOMDIR = "$LOCALDIR/random";
		73	our $BDBDIR = "$LOCALDIR/db";
		74	our %RESOURCE;
		75
		76	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
60	our $TICK_WATCHER;	77	our $TICK_WATCHER;
61	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
62	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
63	our $NEXT_TICK;	80	our $NEXT_TICK;
64	our $NOW;
65	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
66		82
67	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
68	our $DB_ENV;	87	our $DB_ENV;
69		88
70	our %CFG;	89	our %CFG;
71		90
72	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
73	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
74		94
75	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
76	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
77	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
78	our $RANDOM_MAPS = cf::localdir . "/random";
79	our $BDB_ENV_DIR = cf::localdir . "/db";
80		98
81	# 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 ∕
82	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
83		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 $tick_start; # for load detecting purposes
		105
84	binmode STDOUT;	106	binmode STDOUT;
85	binmode STDERR;	107	binmode STDERR;
86		108
87	# read virtual server time, if available	109	# read virtual server time, if available
88	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
89	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
90	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
91	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
92	}	114	}
93		115
94	mkdir cf::localdir;	116	mkdir $_
95	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
96	mkdir cf::localdir . "/" . cf::tmpdir;
97	mkdir cf::localdir . "/" . cf::uniquedir;
98	mkdir $RANDOM_MAPS;
99	mkdir $BDB_ENV_DIR;
100		118
101	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
102		120
103	sub cf::map::normalise;	121	sub cf::map::normalise;
104		122
…		…
115	=item $cf::RUNTIME	133	=item $cf::RUNTIME
116		134
117	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
118	every server tick.	136	every server tick.
119		137
120	=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
121		141
122	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
123	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.
124		146
125	=item $cf::NOW	147	=item $cf::NOW
126		148
127	The time of the last (current) server tick.	149	The time of the last (current) server tick.
128		150
129	=item $cf::TICK	151	=item $cf::TICK
130		152
131	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
132		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
133	=item %cf::CFG	165	=item %cf::CFG
134		166
135	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
136	from wherever your confdir points to.	168	from wherever your confdir points to.
137		169
138	=item cf::wait_for_tick, cf::wait_for_tick_begin	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
139		171
140	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
141	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
142	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.
143		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
144	=back	182	=back
145		183
146	=cut	184	=cut
147		185
148	BEGIN {	186	BEGIN {
149	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
150	my $msg = join "", @_;	188	my $msg = join "", @_;
151	utf8::encode $msg;
152		189
153	$msg .= "\n"	190	$msg .= "\n"
154	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
155		194
156	LOG llevError, $msg;	195	LOG llevError, $msg;
157	};	196	};
158	}	197	}
159		198
160	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
161	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
162	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
163	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
164	@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';
165	@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)
166		206
167	# 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
168	# within the Safe compartment.	208	# within the Safe compartment.
169	for my $pkg (qw(	209	for my $pkg (qw(
170	cf::global cf::attachable	210	cf::global cf::attachable
…		…
175	)) {	215	)) {
176	no strict 'refs';	216	no strict 'refs';
177	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
178	}	218	}
179		219
180	$Event::DIED = sub {	220	$EV::DIED = sub {
181	warn "error in event callback: @_";	221	warn "error in event callback: @_";
182	};	222	};
		223
		224	#############################################################################
183		225
184	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
185		227
186	=over 4	228	=over 4
187		229
…		…
206	$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;
207	$d	249	$d
208	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
209	}	251	}
210		252
211	use JSON::XS qw(to_json from_json); # TODO# replace by JSON::PC once working
212
213	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
214		254
215	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
216		256
217	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
218		258
219	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]) }
220		267
221	=item cf::lock_wait $string	268	=item cf::lock_wait $string
222		269
223	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
224		271
…		…
227	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
228	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,
229	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
230	returned.	277	returned.
231		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
232	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
233	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
234		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
235	=cut	289	=cut
236		290
237	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
238		293
239	sub lock_wait($) {	294	sub lock_wait($) {
240	my ($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#
241		301
242	# wait for lock, if any	302	# wait for lock, if any
243	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
244	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
245	Coro::schedule;	305	Coro::schedule;
…		…
251		311
252	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
253	lock_wait $key;	313	lock_wait $key;
254		314
255	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
256		317
257	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
258	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
259	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
260	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
261	}	329	}
262		330
263	sub freeze_mainloop {	331	sub freeze_mainloop {
264	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
265		333
…		…
268	};	336	};
269	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
270	$guard	338	$guard
271	}	339	}
272		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	$sig->wait;
		412	}
		413
273	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
274		415
275	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
276	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
280		421
281	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
282		423
283	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
284		425
285	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
286	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
287	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
288		430
289	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
290	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
291	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
292	fast or be very important.	434	fast or be very important.
…		…
295		437
296	sub sync_job(&) {	438	sub sync_job(&) {
297	my ($job) = @_;	439	my ($job) = @_;
298		440
299	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
300	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
301	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
302		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
303	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
304	# (but this is cancel-safe)	450	# (but this is cancel-safe)
305	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
306		452
307	my $busy = 1;	453	my $busy = 1;
308	my @res;	454	my @res;
309		455
310	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
311	@res = eval { $job->() };	458	@res = eval { $job->() };
312	warn $@ if $@;	459	warn $@ if $@;
313	undef $busy;	460	undef $busy;
314	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
315		462
316	while ($busy) {	463	while ($busy) {
317	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
318	}	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
319		477
320	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
321	} else {	479	} else {
322	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
323		481
…		…
343	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
344		502
345	$coro	503	$coro
346	}	504	}
347		505
348	sub write_runtime {	506	=item fork_call { }, $args
349	my $guard = cf::lock_acquire "write_runtime";
350		507
351	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.
352		512
353	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
354	or return;
355		514
356	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
357	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
358	# 60 allows for the watchdog to kill the server.
359		517
360	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
361	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
362		521
363	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
364	aio_fsync $fh	523	reset_signals;
365	and return;	524	&$cb
		525	}, @args;
366		526
367	close $fh	527	wantarray ? @res : $res[-1]
368	or return;	528	}
369		529
370	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
371	and return;
372		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
373	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		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"
374	}	655	}
375		656
376	=item cf::datalog type => key => value, ...	657	=item cf::datalog type => key => value, ...
377		658
378	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.
…		…
396	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")
397	to it. All such attachable objects support the following methods.	678	to it. All such attachable objects support the following methods.
398		679
399	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>
400	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
401	crossfire+).	682	Deliantra).
402		683
403	=over 4	684	=over 4
404		685
405	=item $attachable->attach ($attachment, key => $value...)	686	=item $attachable->attach ($attachment, key => $value...)
406		687
…		…
569	$registry = $CB_TYPE[$object_type] ||= [];	850	$registry = $CB_TYPE[$object_type] ||= [];
570		851
571	} elsif ($type eq "subtype") {	852	} elsif ($type eq "subtype") {
572	defined $object_type or Carp::croak "subtype specified without type";	853	defined $object_type or Carp::croak "subtype specified without type";
573	my $object_subtype = shift @arg;	854	my $object_subtype = shift @arg;
574	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	855	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
575		856
576	} elsif ($type eq "package") {	857	} elsif ($type eq "package") {
577	my $pkg = shift @arg;	858	my $pkg = shift @arg;
578		859
579	while (my ($name, $id) = each %cb_id) {	860	while (my ($name, $id) = each %cb_id) {
…		…
608	_attach $registry, $klass, @attach;	889	_attach $registry, $klass, @attach;
609	}	890	}
610		891
611	$obj->{$name} = \%arg;	892	$obj->{$name} = \%arg;
612	} else {	893	} else {
613	warn "object uses attachment '$name' that is not available, postponing.\n";	894	warn "object uses attachment '$name' which is not available, postponing.\n";
614	}	895	}
615		896
616	$obj->{_attachment}{$name} = undef;	897	$obj->{_attachment}{$name} = undef;
617	}	898	}
618		899
…		…
620	if (ref $_[0]) {	901	if (ref $_[0]) {
621	_object_attach @_;	902	_object_attach @_;
622	} else {	903	} else {
623	_attach shift->_attach_registry, @_;	904	_attach shift->_attach_registry, @_;
624	}	905	}
		906	_recalc_want;
625	};	907	};
626		908
627	# all those should be optimised	909	# all those should be optimised
628	sub cf::attachable::detach {	910	sub cf::attachable::detach {
629	my ($obj, $name) = @_;	911	my ($obj, $name) = @_;
…		…
632	delete $obj->{_attachment}{$name};	914	delete $obj->{_attachment}{$name};
633	reattach ($obj);	915	reattach ($obj);
634	} else {	916	} else {
635	Carp::croak "cannot, currently, detach class attachments";	917	Carp::croak "cannot, currently, detach class attachments";
636	}	918	}
		919	_recalc_want;
637	};	920	};
638		921
639	sub cf::attachable::attached {	922	sub cf::attachable::attached {
640	my ($obj, $name) = @_;	923	my ($obj, $name) = @_;
641		924
…		…
656	";	939	";
657	die if $@;	940	die if $@;
658	}	941	}
659		942
660	our $override;	943	our $override;
661	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?
662		945
663	sub override {	946	sub override {
664	$override = 1;	947	$override = 1;
665	@invoke_results = ();	948	@INVOKE_RESULTS = (@_);
666	}	949	}
667		950
668	sub do_invoke {	951	sub do_invoke {
669	my $event = shift;	952	my $event = shift;
670	my $callbacks = shift;	953	my $callbacks = shift;
671		954
672	@invoke_results = ();	955	@INVOKE_RESULTS = ();
673		956
674	local $override;	957	local $override;
675		958
676	for (@$callbacks) {	959	for (@$callbacks) {
677	eval { &{$_->[1]} };	960	eval { &{$_->[1]} };
…		…
686	}	969	}
687		970
688	0	971	0
689	}	972	}
690		973
691	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	974	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
692		975
693	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	976	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
694		977
695	Generate an object-specific event with the given arguments.	978	Generate an object-specific event with the given arguments.
696		979
697	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
698	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
699	results (if you must, access C<@cf::invoke_results> directly).	982	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
700		983
701	=back	984	=back
702		985
703	=cut	986	=cut
704		987
705	#############################################################################	988	#############################################################################
706	# 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, $ob2
		1031	}
707		1032
708	sub reattach {	1033	sub reattach {
709	# basically do the same as instantiate, without calling instantiate	1034	# basically do the same as instantiate, without calling instantiate
710	my ($obj) = @_;	1035	my ($obj) = @_;
711		1036
…		…
732	cf::attachable->attach (	1057	cf::attachable->attach (
733	prio => -1000000,	1058	prio => -1000000,
734	on_instantiate => sub {	1059	on_instantiate => sub {
735	my ($obj, $data) = @_;	1060	my ($obj, $data) = @_;
736		1061
737	$data = from_json $data;	1062	$data = decode_json $data;
738		1063
739	for (@$data) {	1064	for (@$data) {
740	my ($name, $args) = @$_;	1065	my ($name, $args) = @$_;
741		1066
742	$obj->attach ($name, %{$args || {} });	1067	$obj->attach ($name, %{$args || {} });
…		…
758	sub object_freezer_save {	1083	sub object_freezer_save {
759	my ($filename, $rdata, $objs) = @_;	1084	my ($filename, $rdata, $objs) = @_;
760		1085
761	sync_job {	1086	sync_job {
762	if (length $$rdata) {	1087	if (length $$rdata) {
		1088	utf8::decode (my $decname = $filename);
763	warn sprintf "saving %s (%d,%d)\n",	1089	warn sprintf "saving %s (%d,%d)\n",
764	$filename, length $$rdata, scalar @$objs;	1090	$decname, length $$rdata, scalar @$objs;
765		1091
766	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1092	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
767	chmod SAVE_MODE, $fh;	1093	chmod SAVE_MODE, $fh;
768	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1094	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
769	aio_fsync $fh if $cf::USE_FSYNC;	1095	aio_fsync $fh if $cf::USE_FSYNC;
770	close $fh;	1096	close $fh;
771		1097
772	if (@$objs) {	1098	if (@$objs) {
773	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) {
774	chmod SAVE_MODE, $fh;	1100	chmod SAVE_MODE, $fh;
775	my $data = Storable::nfreeze { version => 1, objs => $objs };	1101	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
776	aio_write $fh, 0, (length $data), $data, 0;	1102	aio_write $fh, 0, (length $data), $data, 0;
777	aio_fsync $fh if $cf::USE_FSYNC;	1103	aio_fsync $fh if $cf::USE_FSYNC;
778	close $fh;	1104	close $fh;
779	aio_rename "$filename.pst~", "$filename.pst";	1105	aio_rename "$filename.pst~", "$filename.pst";
780	}	1106	}
…		…
788	}	1114	}
789	} else {	1115	} else {
790	aio_unlink $filename;	1116	aio_unlink $filename;
791	aio_unlink "$filename.pst";	1117	aio_unlink "$filename.pst";
792	}	1118	}
793	}	1119	};
794	}	1120	}
795		1121
796	sub object_freezer_as_string {	1122	sub object_freezer_as_string {
797	my ($rdata, $objs) = @_;	1123	my ($rdata, $objs) = @_;
798		1124
…		…
810	or return;	1136	or return;
811		1137
812	unless (aio_stat "$filename.pst") {	1138	unless (aio_stat "$filename.pst") {
813	(aio_load "$filename.pst", $av) >= 0	1139	(aio_load "$filename.pst", $av) >= 0
814	or return;	1140	or return;
		1141
815	$av = eval { (Storable::thaw $av)->{objs} };	1142	my $st = eval { Coro::Storable::thaw $av };
		1143	$av = $st->{objs};
816	}	1144	}
817		1145
		1146	utf8::decode (my $decname = $filename);
818	warn sprintf "loading %s (%d)\n",	1147	warn sprintf "loading %s (%d,%d)\n",
819	$filename, length $data, scalar @{$av || []};#d#	1148	$decname, length $data, scalar @{$av || []};
		1149
820	return ($data, $av);	1150	($data, $av)
821	}	1151	}
		1152
		1153	=head2 COMMAND CALLBACKS
		1154
		1155	=over 4
		1156
		1157	=cut
822		1158
823	#############################################################################	1159	#############################################################################
824	# command handling &c	1160	# command handling &c
825		1161
826	=item cf::register_command $name => \&callback($ob,$args);	1162	=item cf::register_command $name => \&callback($ob,$args);
…		…
839	push @{ $COMMAND{$name} }, [$caller, $cb];	1175	push @{ $COMMAND{$name} }, [$caller, $cb];
840	}	1176	}
841		1177
842	=item cf::register_extcmd $name => \&callback($pl,$packet);	1178	=item cf::register_extcmd $name => \&callback($pl,$packet);
843		1179
844	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.
845		1185
846	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
847	called.	1187	called.
848		1188
		1189	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1190
		1191	Register a callback for execution when the client sends an (asynchronous)
		1192	exticmd packet. Exti commands are processed by the server as soon as they
		1193	are received, i.e. out of order w.r.t. other commands. The first argument
		1194	is a client socket. Exti commands can be received anytime, even before
		1195	log-in.
		1196
		1197	If the callback returns something, it is sent back as if reply was being
		1198	called.
		1199
849	=cut	1200	=cut
850		1201
851	sub register_extcmd {	1202	sub register_extcmd {
852	my ($name, $cb) = @_;	1203	my ($name, $cb) = @_;
853		1204
854	$EXTCMD{$name} = $cb;	1205	$EXTCMD{$name} = $cb;
		1206	}
		1207
		1208	sub register_exticmd {
		1209	my ($name, $cb) = @_;
		1210
		1211	$EXTICMD{$name} = $cb;
855	}	1212	}
856		1213
857	cf::player->attach (	1214	cf::player->attach (
858	on_command => sub {	1215	on_command => sub {
859	my ($pl, $name, $params) = @_;	1216	my ($pl, $name, $params) = @_;
…		…
868	cf::override;	1225	cf::override;
869	},	1226	},
870	on_extcmd => sub {	1227	on_extcmd => sub {
871	my ($pl, $buf) = @_;	1228	my ($pl, $buf) = @_;
872		1229
873	my $msg = eval { from_json $buf };	1230	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
874		1231
875	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
876	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1240	if (my $cb = $EXTCMD{$type}) {
877	if (my %reply = $cb->($pl, $msg)) {	1241	@reply = $cb->($pl, @payload);
878	$pl->ext_reply ($msg->{msgid}, %reply);
879	}
880	}	1242	}
		1243
		1244	$pl->ext_reply ($reply, @reply)
		1245	if $reply;
		1246
881	} else {	1247	} else {
882	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1248	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
883	}	1249	}
884		1250
885	cf::override;	1251	cf::override;
886	},	1252	},
887	);	1253	);
888		1254
889	sub load_extension {
890	my ($path) = @_;
891
892	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
893	my $base = $1;
894	my $pkg = $1;
895	$pkg =~ s/[^[:word:]]/_/g;
896	$pkg = "ext::$pkg";
897
898	warn "... loading '$path' into '$pkg'\n";
899
900	open my $fh, "<:utf8", $path
901	or die "$path: $!";
902
903	my $source =
904	"package $pkg; use strict; use utf8;\n"
905	. "#line 1 \"$path\"\n{\n"
906	. (do { local $/; <$fh> })
907	. "\n};\n1";
908
909	unless (eval $source) {
910	my $msg = $@ ? "$path: $@\n"
911	: "extension disabled.\n";
912	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
913	warn $@;
914	warn "mandatory extension failed to load, exiting.\n";
915	exit 1;
916	}
917	die $@;
918	}
919
920	push @EXTS, $pkg;
921	}
922
923	sub load_extensions {	1255	sub load_extensions {
		1256	cf::sync_job {
		1257	my %todo;
		1258
924	for my $ext (<$LIBDIR/*.ext>) {	1259	for my $path (<$LIBDIR/*.ext>) {
925	next unless -r $ext;	1260	next unless -r $path;
926	eval {	1261
927	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	$progress = 1;
928	1	1319	}
929	} or warn "$ext not loaded: $@";	1320
		1321	skip:
		1322	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1323	unless $progress;
		1324	}
930	}	1325	};
931	}	1326	}
932		1327
933	#############################################################################	1328	#############################################################################
934		1329
		1330	=back
		1331
935	=head2 CORE EXTENSIONS	1332	=head2 CORE EXTENSIONS
936		1333
937	Functions and methods that extend core crossfire objects.	1334	Functions and methods that extend core crossfire objects.
938		1335
939	=cut	1336	=cut
…		…
944		1341
945	=head3 cf::player	1342	=head3 cf::player
946		1343
947	=over 4	1344	=over 4
948		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
949	=item cf::player::find $login	1360	=item cf::player::find $login
950		1361
951	Returns the given player object, loading it if necessary (might block).	1362	Returns the given player object, loading it if necessary (might block).
952		1363
953	=cut	1364	=cut
954		1365
955	sub playerdir($) {	1366	sub playerdir($) {
956	cf::localdir	1367	"$PLAYERDIR/"
957	. "/"
958	. cf::playerdir
959	. "/"
960	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1368	. (ref $_[0] ? $_[0]->ob->name : $_[0])
961	}	1369	}
962		1370
963	sub path($) {	1371	sub path($) {
964	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1372	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
…		…
991	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";	1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
992	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";	1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
993	aio_unlink +(playerdir $login) . "/$login.pl.pst";	1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
994	aio_unlink +(playerdir $login) . "/$login.pl";	1402	aio_unlink +(playerdir $login) . "/$login.pl";
995		1403
996	my $pl = load_pl path $login	1404	my $f = new_from_file cf::object::thawer path $login
997	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;
998	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
999	}	1412	}
1000	}	1413	}
1001	}	1414	}
1002		1415
…		…
1012		1425
1013	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1014	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1015		1428
1016	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1017	Coro::cede;	1430	cf::cede_to_tick;
1018	}	1431	}
1019		1432
1020	sub new($) {	1433	sub new($) {
1021	my ($login) = @_;	1434	my ($login) = @_;
1022		1435
…		…
1026	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1027		1440
1028	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1029		1442
1030	$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 (@_);
1031	}	1454	}
1032		1455
1033	=item $pl->quit_character	1456	=item $pl->quit_character
1034		1457
1035	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
…		…
1084	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1085		1508
1086	=cut	1509	=cut
1087		1510
1088	sub list_logins {	1511	sub list_logins {
1089	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1090	or return [];	1513	or return [];
1091		1514
1092	my @logins;	1515	my @logins;
1093		1516
1094	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") {
1095	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1096	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1097	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1098		1526
1099	utf8::decode $login;	1527	utf8::decode $login;
1100	push @logins, $login;	1528	push @logins, $login;
1101	}	1529	}
1102		1530
…		…
1129	}	1557	}
1130		1558
1131	\@paths	1559	\@paths
1132	}	1560	}
1133		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
1134	=item $player->ext_reply ($msgid, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1135		1656
1136	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1137		1658
1138	=cut	1659	=cut
1139		1660
1140	sub ext_reply($$%) {	1661	sub ext_reply($$@) {
1141	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1142		1663
1143	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1144
1145	$self->send ("ext " . cf::to_json \%msg);
1146	}	1665	}
1147		1666
1148	=item $player->ext_event ($type, %msg)	1667	=item $player->ext_msg ($type, @msg)
1149		1668
1150	Sends an ext event to the client.	1669	Sends an ext event to the client.
1151		1670
1152	=cut	1671	=cut
1153		1672
1154	sub ext_event($$%) {	1673	sub ext_msg($$@) {
1155	my ($self, $type, %msg) = @_;	1674	my ($self, $type, @msg) = @_;
1156		1675
1157	$self->ns->ext_event ($type, %msg);	1676	$self->ns->ext_msg ($type, @msg);
1158	}	1677	}
1159		1678
1160	=head3 cf::region	1679	=head3 cf::region
1161		1680
1162	=over 4	1681	=over 4
…		…
1165		1684
1166	package cf::region;	1685	package cf::region;
1167		1686
1168	=item cf::region::find_by_path $path	1687	=item cf::region::find_by_path $path
1169		1688
1170	Tries to decuce the probable region for a map knowing only its path.	1689	Tries to decuce the likely region for a map knowing only its path.
1171		1690
1172	=cut	1691	=cut
1173		1692
1174	sub find_by_path($) {	1693	sub find_by_path($) {
1175	my ($path) = @_;	1694	my ($path) = @_;
1176		1695
1177	my ($match, $specificity);	1696	my ($match, $specificity);
1178		1697
1179	for my $region (list) {	1698	for my $region (list) {
1180	if ($region->match && $path =~ $region->match) {	1699	if ($region->{match} && $path =~ $region->{match}) {
1181	($match, $specificity) = ($region, $region->specificity)	1700	($match, $specificity) = ($region, $region->specificity)
1182	if $region->specificity > $specificity;	1701	if $region->specificity > $specificity;
1183	}	1702	}
1184	}	1703	}
1185		1704
…		…
1249	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1250		1769
1251	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1252	local $self->{path};	1771	local $self->{path};
1253	local $self->{load_path};	1772	local $self->{load_path};
1254	local $self->{deny_save};
1255	local $self->{deny_reset};
1256		1773
1257	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1258	}	1775	}
1259		1776
1260	sub normalise {	1777	sub normalise {
…		…
1307	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1308	return $self;	1825	return $self;
1309	}	1826	}
1310	}	1827	}
1311		1828
1312	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1313	()	1830	()
1314	}	1831	}
1315		1832
1316	sub init {	1833	sub init {
1317	my ($self) = @_;	1834	my ($self) = @_;
…		…
1332		1849
1333	# the original (read-only) location	1850	# the original (read-only) location
1334	sub load_path {	1851	sub load_path {
1335	my ($self) = @_;	1852	my ($self) = @_;
1336		1853
1337	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1338	}	1855	}
1339		1856
1340	# the temporary/swap location	1857	# the temporary/swap location
1341	sub save_path {	1858	sub save_path {
1342	my ($self) = @_;	1859	my ($self) = @_;
1343		1860
1344	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1345	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1346	}	1863	}
1347		1864
1348	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1349	sub uniq_path {	1866	sub uniq_path {
1350	my ($self) = @_;	1867	my ($self) = @_;
1351		1868
1352	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1353	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1354	}	1871	}
1355		1872
1356	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1357	# all maps in C++...	1874	# all maps in C++...
1358	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1360		1877
1361	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1362	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1363	}	1880	}
1364		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1365	sub unlink_save {	1890	sub unlink_save {
1366	my ($self) = @_;	1891	my ($self) = @_;
1367		1892
1368	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1369	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1372		1897
1373	sub load_header_from($) {	1898	sub load_header_from($) {
1374	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1375		1900
1376	utf8::encode $path;	1901	utf8::encode $path;
1377	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1378	# or return;
1379
1380	$self->_load_header ($path)
1381	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;
1382		1910
1383	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1384		1912
1385	1	1913	1
1386	}	1914	}
…		…
1425	$self->load_header_orig	1953	$self->load_header_orig
1426	or return;	1954	or return;
1427	$self->prepare_orig;	1955	$self->prepare_orig;
1428	}	1956	}
1429		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
1430	$self->default_region (cf::region::find_by_path $self->{path})	1961	$self->default_region (cf::region::find_by_path $self->{path})
1431	unless $self->default_region;	1962	unless $self->default_region;
1432		1963
1433	1	1964	1
1434	}	1965	}
…		…
1437	sub find {	1968	sub find {
1438	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1439		1970
1440	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1441		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1442	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1443		1975
1444	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1445	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
1446	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1447	or return;	1981	or return;
1448		1982
1449	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1450		1984
1451	$map->load_header	1985	$map->load_header
1452	or return;	1986	or return;
1453		1987
1454	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1455	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1456	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1457	$map->reset;	1993	$map->reset;
1458	undef $guard;
1459	return find $path;	1994	return find $path;
1460	}	1995	}
1461		1996
1462	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1463	}	1998	}
…		…
1470	my ($self) = @_;	2005	my ($self) = @_;
1471		2006
1472	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1473		2008
1474	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1475	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1476		2013
		2014	return unless $self->valid;
1477	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1478		2016
1479	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1480		2018
1481	$self->alloc;	2019	$self->alloc;
1482		2020
1483	$self->pre_load;	2021	$self->pre_load;
1484	Coro::cede;	2022	cf::cede_to_tick;
1485		2023
1486	$self->_load_objects ($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)
1487	or return;	2027	or return;
1488		2028
1489	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1490	if delete $self->{load_original};	2030	if delete $self->{load_original};
1491		2031
1492	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1493	utf8::encode $uniq;	2033	utf8::encode $uniq;
1494	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1495	$self->clear_unique_items;	2036	$self->clear_unique_items;
1496	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1497	}	2040	}
1498	}	2041	}
1499		2042
1500	Coro::cede;	2043	$f->resolve_delayed_derefs;
		2044
		2045	cf::cede_to_tick;
1501	# now do the right thing for maps	2046	# now do the right thing for maps
1502	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1503	Coro::cede;
1504
1505	unless ($self->{deny_activate}) {
1506	$self->decay_objects;
1507	$self->fix_auto_apply;
1508	$self->update_buttons;
1509	Coro::cede;
1510	$self->set_darkness_map;
1511	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1512	unless $self->difficulty;	2049	unless $self->difficulty;
1513	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($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;
1514	$self->activate;	2059	$self->activate;
1515	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);
1516	}	2066	}
1517		2067
1518	$self->post_load;	2068	$self->post_load;
1519	Coro::cede;
1520
1521	$self->in_memory (cf::MAP_IN_MEMORY);
1522	}	2069	}
1523		2070
1524	sub customise_for {	2071	sub customise_for {
1525	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1526		2073
1527	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1528	if $self->per_player;	2075	if $self->per_player;
1529		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1530	$self	2080	$self
1531	}	2081	}
1532		2082
1533	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1534	sub load_diag {	2084	sub load_neighbours {
1535	my ($map) = @_;	2085	my ($map) = @_;
1536		2086
1537	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1538		2088
1539	for (0 .. 3) {	2089	for (0 .. 3) {
1540	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1541	or next;	2091	or next;
1542	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1543	or next;	2093	or next;
1544	$neigh->load;	2094	$neigh->load;
1545		2095
		2096	push @neigh,
1546	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1547	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1548	}	2099	}
1549		2100
1550	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1551	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1552	or next;	2104	or next;
1553	$neigh->load;	2105	$neigh->load;
1554	}	2106	}
1555	}	2107	}
1556		2108
…		…
1561	}	2113	}
1562		2114
1563	sub do_load_sync {	2115	sub do_load_sync {
1564	my ($map) = @_;	2116	my ($map) = @_;
1565		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1566	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1567	}	2122	}
1568		2123
1569	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1570	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1571		2126
1572	sub find_async {	2127	sub find_async {
1573	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1574		2129
1575	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1576		2131
1577	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1578	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1579	}	2134	}
1580		2135
1581	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1582	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1583	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1584	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1585	my $map = find $path	2143	if (my $map = find $k) {
1586	or next;
1587	$map->load;	2144	$map->load if $v;
		2145	}
1588		2146
1589	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1590	}	2148	}
1591	}	2149	}
1592	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1593	};	2151	};
1594	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1597	}	2155	}
1598		2156
1599	sub save {	2157	sub save {
1600	my ($self) = @_;	2158	my ($self) = @_;
1601		2159
1602	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1603		2161
1604	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1605		2163
1606	return unless $self->dirty;	2164	return unless $self->dirty;
1607		2165
…		…
1613	return if $self->{deny_save};	2171	return if $self->{deny_save};
1614		2172
1615	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1616		2174
1617	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1618	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1619	};	2178	};
1620		2179
1621	if ($uniq) {	2180	if ($uniq) {
1622	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1630	my ($self) = @_;	2189	my ($self) = @_;
1631		2190
1632	# save first because save cedes	2191	# save first because save cedes
1633	$self->save;	2192	$self->save;
1634		2193
1635	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1636		2195
1637	return if $self->players;	2196	return if $self->players;
1638	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1639	return if $self->{deny_save};	2198	return if $self->{deny_save};
1640		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1641	$self->clear;	2204	$self->clear;
1642	$self->in_memory (cf::MAP_SWAPPED);
1643	}	2205	}
1644		2206
1645	sub reset_at {	2207	sub reset_at {
1646	my ($self) = @_;	2208	my ($self) = @_;
1647		2209
1648	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1649	return 1e99 if $self->isa ("ext::map_per_player");#d#
1650	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1651		2212
1652	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1653	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1654		2215
…		…
1665	my ($self) = @_;	2226	my ($self) = @_;
1666		2227
1667	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1668		2229
1669	return if $self->players;	2230	return if $self->players;
1670	return if $self->isa ("ext::map_per_player");#d#
1671		2231
1672	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1673		2233
1674	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1675		2235
1676	# need to save uniques path	2236	# need to save uniques path
1677	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1681	if $uniq;	2241	if $uniq;
1682	}	2242	}
1683		2243
1684	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1685		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1686	$self->clear;	2248	$self->clear;
1687
1688	$_->clear_links_to ($self) for values %cf::MAP;
1689		2249
1690	$self->unlink_save;	2250	$self->unlink_save;
1691	$self->destroy;	2251	$self->destroy;
1692	}	2252	}
1693		2253
1694	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1695		2255
1696	sub nuke {	2256	sub nuke {
1697	my ($self) = @_;	2257	my ($self) = @_;
1698		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1699	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1700		2263
1701	$self->unlink_save;	2264	$self->unlink_save;
1702		2265
1703	bless $self, "cf::map";	2266	bless $self, "cf::map";
1704	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1705	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1706	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1707	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1708		2271
1709	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1710		2274
1711	$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	]
1712	}	2312	}
1713		2313
1714	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1715		2315
1716	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1717	instantiated unique items. May block.	2317	instantiated unique items. May block.
1718		2318
1719	=cut	2319	=cut
1720		2320
1721	sub unique_maps() {	2321	sub unique_maps() {
1722	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1723	or return;	2323	map {
1724
1725	my @paths;
1726
1727	for (@$files) {
1728	utf8::decode $_;	2324	utf8::decode $_;
1729	next if /\.pst$/;	2325	/\.map$/
1730	next unless /^$PATH_SEP/o;	2326	? normalise $_
1731		2327	: ()
1732	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1733	}	2329	]
1734
1735	\@paths
1736	}	2330	}
1737		2331
1738	package cf;	2332	package cf;
1739		2333
1740	=back	2334	=back
…		…
1758	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1759	}	2353	}
1760		2354
1761	sub inv_recursive {	2355	sub inv_recursive {
1762	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	}
1763	}	2385	}
1764		2386
1765	package cf;	2387	package cf;
1766		2388
1767	=back	2389	=back
…		…
1786		2408
1787	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1788		2410
1789	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1790	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1791	} 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 {
1792	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1793	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1794	}	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 (@_);
1795	}	2436	}
1796		2437
1797	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1798		2439
1799	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1846	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1847		2488
1848	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1849		2490
1850	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1851	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1852		2493
1853	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1854	}	2495	}
1855		2496
1856	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1857	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1858		2501
1859	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1860		2503
1861	unless ($map) {	2504	unless ($map) {
1862	# restore original map position	2505	# restore original map position
…		…
1876	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1877	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1878	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1879		2522
1880	$map->load;	2523	$map->load;
1881	$map->load_diag;	2524	$map->load_neighbours;
1882		2525
1883	return unless $self->contr->active;	2526	return unless $self->contr->active;
1884	$self->activate_recursive;	2527	$self->activate_recursive;
1885		2528
1886	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1887	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1888	}	2531	}
1889		2532
1890	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1891	on_logout => sub {
1892	my ($pl) = @_;
1893		2534
1894	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1895	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1896	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1897	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1898	};	2539	be called at the end of this process.
1899	}
1900	},
1901	on_login => sub {
1902	my ($pl) = @_;
1903		2540
1904	# try to abort aborted map switching on player login :)
1905	# should happen only on crashes
1906	if ($pl->ob->{_link_pos}) {
1907	$pl->ob->enter_link;
1908	(async {
1909	$pl->ob->reply (undef,
1910	"There was an internal problem at your last logout, "
1911	. "the server will try to bring you to your intended destination in a second.",
1912	cf::NDI_RED);
1913	# we need this sleep as the login has a concurrent enter_exit running
1914	# and this sleep increases chances of the player not ending up in scorn
1915	Coro::Timer::sleep 1;
1916	$pl->ob->leave_link;
1917	})->prio (2);
1918	}
1919	},
1920	);
1921
1922	=item $player_object->goto ($path, $x, $y)
1923
1924	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1925		2544
1926	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1927	my ($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;
1928		2550
1929	$self->enter_link;	2551	$self->enter_link;
1930		2552
1931	(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
1932	my $map = eval {	2575	my $map = eval {
1933	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1934	$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
1935	$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 $@;
1936	} or	2591	}
1937	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1938		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1939	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1940	})->prio (1);	2599	})->prio (1);
1941	}	2600	}
1942		2601
1943	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1944		2603
…		…
1981	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1982	}	2641	}
1983		2642
1984	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1985		2644
1986	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1987	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1988	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1989		2648
1990	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1991	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1992	undef $fh;	2651	undef $fh;
1993	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
2013	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
2014	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
2015		2674
2016	$self->enter_link;	2675	$self->enter_link;
2017		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
2018	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
2019	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
2020	unless (eval {	2685	unless (eval {
2021	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
2022		2687
2023	1;	2688	1;
…		…
2049		2714
2050	utf8::encode $text;	2715	utf8::encode $text;
2051	$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);
2052	}	2717	}
2053		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
2054	=item $client->ext_event ($type, %msg)	2843	=item $client->ext_msg ($type, @msg)
2055		2844
2056	Sends an exti event to the client.	2845	Sends an ext event to the client.
2057		2846
2058	=cut	2847	=cut
2059		2848
2060	sub cf::client::ext_event($$%) {	2849	sub cf::client::ext_msg($$@) {
2061	my ($self, $type, %msg) = @_;	2850	my ($self, $type, @msg) = @_;
2062		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
2063	$msg{msgtype} = "event_$type";	2855	push @msg, msgtype => "event_$type";
2064	$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	}
2065	}	2876	}
2066		2877
2067	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2068		2879
2069	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2070	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>,
2071	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>.
2072		2883
2073	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
2074	reliable at some point in the future.	2885	become reliable at some point in the future.
2075		2886
2076	=cut	2887	=cut
2077		2888
2078	sub cf::client::query {	2889	sub cf::client::query {
2079	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2087	utf8::encode $text;	2898	utf8::encode $text;
2088	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2089		2900
2090	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2091	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2092	}	2905	}
2093		2906
2094	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	},
2095	on_reply => sub {	2913	on_reply => sub {
2096	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2097		2915
2098	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2099	# get handled first	2917	# get handled first
…		…
2111	} else {	2929	} else {
2112	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2113	}	2931	}
2114	}	2932	}
2115	},	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	},
2116	);	2960	);
2117		2961
2118	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2119		2963
2120	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2161	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2162	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2163		3007
2164	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2165		3009
2166	$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	));
2167		3015
2168	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2169		3017
2170	=pod	3018	=pod
2171		3019
2172	The following functions and methods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2173		3021
2174	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
2175	cf::object::player player	3026	cf::object::player
2176	cf::player peaceful	3027	player
2177	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2178		3034
2179	=cut	3035	=cut
2180		3036
2181	for (	3037	for (
2182	["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)],
2183	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2184	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2185	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2186	) {	3044	) {
2187	no strict 'refs';	3045	no strict 'refs';
…		…
2258	=back	3116	=back
2259		3117
2260	=cut	3118	=cut
2261		3119
2262	#############################################################################	3120	#############################################################################
2263
2264	=head2 EXTENSION DATABASE SUPPORT
2265
2266	Crossfire maintains a very simple database for extension use. It can
2267	currently store anything that can be serialised using Storable, which
2268	excludes objects.
2269
2270	The parameter C<$family> should best start with the name of the extension
2271	using it, it should be unique.
2272
2273	=over 4
2274
2275	=item $value = cf::db_get $family => $key
2276
2277	Returns a single value from the database.
2278
2279	=item cf::db_put $family => $key => $value
2280
2281	Stores the given C<$value> in the family.
2282
2283	=cut
2284
2285	our $DB;
2286
2287	sub db_init {
2288	unless ($DB) {
2289	$DB = BDB::db_create $DB_ENV;
2290
2291	cf::sync_job {
2292	eval {
2293	$DB->set_flags (BDB::CHKSUM);
2294
2295	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2296	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2297	cf::cleanup "db_open(db): $!" if $!;
2298	};
2299	cf::cleanup "db_open(db): $@" if $@;
2300	};
2301
2302	my $path = cf::localdir . "/database.pst";
2303	if (stat $path) {
2304	cf::sync_job {
2305	my $pst = Storable::retrieve $path;
2306
2307	cf::db_put (board => data => $pst->{board});
2308	cf::db_put (guildrules => data => $pst->{guildrules});
2309	cf::db_put (rent => balance => $pst->{rent}{balance});
2310	BDB::db_env_txn_checkpoint $DB_ENV;
2311
2312	unlink $path;
2313	};
2314	}
2315	}
2316	}
2317
2318	sub db_get($$) {
2319	my $key = "$_[0]/$_[1]";
2320
2321	cf::sync_job {
2322	BDB::db_get $DB, undef, $key, my $data;
2323
2324	$! ? ()
2325	: Compress::LZF::sthaw $data
2326	}
2327	}
2328
2329	sub db_put($$$) {
2330	BDB::dbreq_pri 4;
2331	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2332	}
2333
2334	#############################################################################
2335	# the server's init and main functions	3121	# the server's init and main functions
2336		3122
2337	sub load_facedata {	3123	sub load_facedata($) {
2338	my $path = sprintf "%s/facedata", cf::datadir;	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;
2339		3131
2340	warn "loading facedata from $path\n";	3132	warn "loading facedata from $path\n";
2341		3133
2342	my $facedata;	3134	my $facedata;
2343	0 < aio_load $path, $facedata	3135	0 < aio_load $path, $facedata
…		…
2346	$facedata = Coro::Storable::thaw $facedata;	3138	$facedata = Coro::Storable::thaw $facedata;
2347		3139
2348	$facedata->{version} == 2	3140	$facedata->{version} == 2
2349	or cf::cleanup "$path: version mismatch, cannot proceed.";	3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
2350		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
2351	{	3150	{
2352	my $faces = $facedata->{faceinfo};	3151	my $faces = $facedata->{faceinfo};
2353		3152
2354	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2355	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
		3155
2356	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2357	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2358	cf::face::set_data $idx, 1, $info->{data64}, $info->{chksum64};	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2359	Coro::cede;	3160
		3161	cf::cede_to_tick;
2360	}	3162	}
2361		3163
2362	while (my ($face, $info) = each %$faces) {	3164	while (my ($face, $info) = each %$faces) {
2363	next unless $info->{smooth};	3165	next unless $info->{smooth};
		3166
2364	my $idx = cf::face::find $face	3167	my $idx = cf::face::find $face
2365	or next;	3168	or next;
		3169
2366	if (my $smooth = cf::face::find $info->{smooth}) {	3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
2367	cf::face::set_smooth $idx, $smooth, $info->{smoothlevel};	3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
2368	} else {	3173	} else {
2369	warn "smooth face '$info->{smooth}' not found for face '$face'";	3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
2370	}	3175	}
2371	Coro::cede;	3176
		3177	cf::cede_to_tick;
2372	}	3178	}
2373	}	3179	}
2374		3180
2375	{	3181	{
2376	my $anims = $facedata->{animinfo};	3182	my $anims = $facedata->{animinfo};
2377		3183
2378	while (my ($anim, $info) = each %$anims) {	3184	while (my ($anim, $info) = each %$anims) {
2379	cf::anim::set $anim, $info->{frames}, $info->{facings};	3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
2380	Coro::cede;	3186	cf::cede_to_tick;
2381	}	3187	}
2382		3188
2383	cf::anim::invalidate_all; # d'oh	3189	cf::anim::invalidate_all; # d'oh
2384	}	3190	}
2385		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223	}
		3224
		3225	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3226
2386	1	3227	1
2387	}	3228	}
2388		3229
		3230	cf::global->attach (on_resource_update => sub {
		3231	if (my $soundconf = $RESOURCE{"res/sound.conf"}) {
		3232	$soundconf = JSON::XS->new->utf8->relaxed->decode ($soundconf->{data});
		3233
		3234	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3235	my $sound = $soundconf->{compat}[$_]
		3236	or next;
		3237
		3238	my $face = cf::face::find "sound/$sound->[1]";
		3239	cf::sound::set $sound->[0] => $face;
		3240	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3241	}
		3242
		3243	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3244	my $face = cf::face::find "sound/$v";
		3245	cf::sound::set $k => $face;
		3246	}
		3247	}
		3248	});
		3249
		3250	register_exticmd fx_want => sub {
		3251	my ($ns, $want) = @_;
		3252
		3253	while (my ($k, $v) = each %$want) {
		3254	$ns->fx_want ($k, $v);
		3255	}
		3256	};
		3257
		3258	sub reload_regions {
		3259	# HACK to clear player env face cache, we need some signal framework
		3260	# for this (global event?)
		3261	%ext::player_env::MUSIC_FACE_CACHE = ();
		3262
		3263	load_resource_file "$MAPDIR/regions"
		3264	or die "unable to load regions file\n";
		3265
		3266	for (cf::region::list) {
		3267	$_->{match} = qr/$_->{match}/
		3268	if exists $_->{match};
		3269	}
		3270	}
		3271
		3272	sub reload_facedata {
		3273	load_facedata "$DATADIR/facedata"
		3274	or die "unable to load facedata\n";
		3275	}
		3276
		3277	sub reload_archetypes {
		3278	load_resource_file "$DATADIR/archetypes"
		3279	or die "unable to load archetypes\n";
		3280	#d# NEED to laod twice to resolve forward references
		3281	# this really needs to be done in an extra post-pass
		3282	# (which needs to be synchronous, so solve it differently)
		3283	load_resource_file "$DATADIR/archetypes"
		3284	or die "unable to load archetypes\n";
		3285	}
		3286
		3287	sub reload_treasures {
		3288	load_resource_file "$DATADIR/treasures"
		3289	or die "unable to load treasurelists\n";
		3290	}
		3291
2389	sub reload_resources {	3292	sub reload_resources {
2390	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3293	warn "reloading resource files...\n";
2391	or die "unable to load regions file\n";#d#	3294
		3295	reload_regions;
2392	load_facedata	3296	reload_facedata;
2393	or die "unable to load facedata\n";#d#	3297	#reload_archetypes;#d#
		3298	reload_archetypes;
		3299	reload_treasures;
		3300
		3301	warn "finished reloading resource files\n";
2394	}	3302	}
2395		3303
2396	sub init {	3304	sub init {
2397	reload_resources;	3305	reload_resources;
2398	}	3306	}
2399		3307
2400	sub cfg_load {	3308	sub reload_config {
2401	open my $fh, "<:utf8", cf::confdir . "/config"	3309	open my $fh, "<:utf8", "$CONFDIR/config"
2402	or return;	3310	or return;
2403		3311
2404	local $/;	3312	local $/;
2405	*CFG = YAML::Syck::Load <$fh>;	3313	*CFG = YAML::Syck::Load <$fh>;
2406		3314
…		…
2421	sub main {	3329	sub main {
2422	# we must not ever block the main coroutine	3330	# we must not ever block the main coroutine
2423	local $Coro::idle = sub {	3331	local $Coro::idle = sub {
2424	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3332	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2425	(async {	3333	(async {
2426	Event::one_event;	3334	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3335	EV::loop EV::LOOP_ONESHOT;
2427	})->prio (Coro::PRIO_MAX);	3336	})->prio (Coro::PRIO_MAX);
2428	};	3337	};
2429		3338
2430	cfg_load;	3339	reload_config;
2431	db_init;	3340	db_init;
2432	load_extensions;	3341	load_extensions;
2433		3342
2434	$TICK_WATCHER->start;	3343	$TICK_WATCHER->start;
		3344	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2435	Event::loop;	3345	EV::loop;
2436	}	3346	}
2437		3347
2438	#############################################################################	3348	#############################################################################
2439	# initialisation and cleanup	3349	# initialisation and cleanup
2440		3350
2441	# install some emergency cleanup handlers	3351	# install some emergency cleanup handlers
2442	BEGIN {	3352	BEGIN {
		3353	our %SIGWATCHER = ();
2443	for my $signal (qw(INT HUP TERM)) {	3354	for my $signal (qw(INT HUP TERM)) {
2444	Event->signal (	3355	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2445	reentrant => 0,
2446	data => WF_AUTOCANCEL,
2447	signal => $signal,
2448	prio => 0,
2449	cb => sub {
2450	cf::cleanup "SIG$signal";	3356	cf::cleanup "SIG$signal";
2451	},
2452	);	3357	};
		3358	}
		3359	}
		3360
		3361	sub write_runtime {
		3362	my $runtime = "$LOCALDIR/runtime";
		3363
		3364	# first touch the runtime file to show we are still running:
		3365	# the fsync below can take a very very long time.
		3366
		3367	IO::AIO::aio_utime $runtime, undef, undef;
		3368
		3369	my $guard = cf::lock_acquire "write_runtime";
		3370
		3371	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3372	or return;
		3373
		3374	my $value = $cf::RUNTIME + 90 + 10;
		3375	# 10 is the runtime save interval, for a monotonic clock
		3376	# 60 allows for the watchdog to kill the server.
		3377
		3378	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3379	and return;
		3380
		3381	# always fsync - this file is important
		3382	aio_fsync $fh
		3383	and return;
		3384
		3385	# touch it again to show we are up-to-date
		3386	aio_utime $fh, undef, undef;
		3387
		3388	close $fh
		3389	or return;
		3390
		3391	aio_rename "$runtime~", $runtime
		3392	and return;
		3393
		3394	warn "runtime file written.\n";
		3395
2453	}	3396	1
2454	}	3397	}
2455		3398
2456	sub emergency_save() {	3399	sub emergency_save() {
2457	my $freeze_guard = cf::freeze_mainloop;	3400	my $freeze_guard = cf::freeze_mainloop;
2458		3401
…		…
2464	# and maps saved/destroyed asynchronously.	3407	# and maps saved/destroyed asynchronously.
2465	warn "begin emergency player save\n";	3408	warn "begin emergency player save\n";
2466	for my $login (keys %cf::PLAYER) {	3409	for my $login (keys %cf::PLAYER) {
2467	my $pl = $cf::PLAYER{$login} or next;	3410	my $pl = $cf::PLAYER{$login} or next;
2468	$pl->valid or next;	3411	$pl->valid or next;
		3412	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2469	$pl->save;	3413	$pl->save;
2470	}	3414	}
2471	warn "end emergency player save\n";	3415	warn "end emergency player save\n";
2472		3416
2473	warn "begin emergency map save\n";	3417	warn "begin emergency map save\n";
…		…
2491		3435
2492	warn Carp::longmess "post_cleanup backtrace"	3436	warn Carp::longmess "post_cleanup backtrace"
2493	if $make_core;	3437	if $make_core;
2494	}	3438	}
2495		3439
2496	sub reload() {	3440	sub do_reload_perl() {
2497	# can/must only be called in main	3441	# can/must only be called in main
2498	if ($Coro::current != $Coro::main) {	3442	if ($Coro::current != $Coro::main) {
2499	warn "can only reload from main coroutine";	3443	warn "can only reload from main coroutine";
2500	return;	3444	return;
2501	}	3445	}
…		…
2512	warn "syncing database to disk";	3456	warn "syncing database to disk";
2513	BDB::db_env_txn_checkpoint $DB_ENV;	3457	BDB::db_env_txn_checkpoint $DB_ENV;
2514		3458
2515	# if anything goes wrong in here, we should simply crash as we already saved	3459	# if anything goes wrong in here, we should simply crash as we already saved
2516		3460
2517	warn "cancelling all WF_AUTOCANCEL watchers";
2518	for (Event::all_watchers) {
2519	$_->cancel if $_->data & WF_AUTOCANCEL;
2520	}
2521
2522	warn "flushing outstanding aio requests";	3461	warn "flushing outstanding aio requests";
2523	for (;;) {	3462	for (;;) {
2524	BDB::flush;	3463	BDB::flush;
2525	IO::AIO::flush;	3464	IO::AIO::flush;
2526	Coro::cede;	3465	Coro::cede_notself;
2527	last unless IO::AIO::nreqs || BDB::nreqs;	3466	last unless IO::AIO::nreqs || BDB::nreqs;
2528	warn "iterate...";	3467	warn "iterate...";
2529	}	3468	}
2530		3469
2531	++$RELOAD;	3470	++$RELOAD;
…		…
2535	%EXT_CORO = ();	3474	%EXT_CORO = ();
2536		3475
2537	warn "removing commands";	3476	warn "removing commands";
2538	%COMMAND = ();	3477	%COMMAND = ();
2539		3478
2540	warn "removing ext commands";	3479	warn "removing ext/exti commands";
2541	%EXTCMD = ();	3480	%EXTCMD = ();
		3481	%EXTICMD = ();
2542		3482
2543	warn "unloading/nuking all extensions";	3483	warn "unloading/nuking all extensions";
2544	for my $pkg (@EXTS) {	3484	for my $pkg (@EXTS) {
2545	warn "... unloading $pkg";	3485	warn "... unloading $pkg";
2546		3486
…		…
2576	Symbol::delete_package "safe::$_"	3516	Symbol::delete_package "safe::$_"
2577	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3517	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2578		3518
2579	warn "unloading cf.pm \"a bit\"";	3519	warn "unloading cf.pm \"a bit\"";
2580	delete $INC{"cf.pm"};	3520	delete $INC{"cf.pm"};
		3521	delete $INC{"cf/pod.pm"};
2581		3522
2582	# don't, removes xs symbols, too,	3523	# don't, removes xs symbols, too,
2583	# and global variables created in xs	3524	# and global variables created in xs
2584	#Symbol::delete_package __PACKAGE__;	3525	#Symbol::delete_package __PACKAGE__;
2585		3526
…		…
2588	warn "reloading cf.pm";	3529	warn "reloading cf.pm";
2589	require cf;	3530	require cf;
2590	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3531	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2591		3532
2592	warn "loading config and database again";	3533	warn "loading config and database again";
2593	cf::cfg_load;	3534	cf::reload_config;
2594		3535
2595	warn "loading extensions";	3536	warn "loading extensions";
2596	cf::load_extensions;	3537	cf::load_extensions;
2597		3538
2598	warn "reattaching attachments to objects/players";	3539	warn "reattaching attachments to objects/players";
…		…
2600	warn "reattaching attachments to maps";	3541	warn "reattaching attachments to maps";
2601	reattach $_ for values %MAP;	3542	reattach $_ for values %MAP;
2602	warn "reattaching attachments to players";	3543	warn "reattaching attachments to players";
2603	reattach $_ for values %PLAYER;	3544	reattach $_ for values %PLAYER;
2604		3545
2605	warn "loading reloadable resources";
2606	reload_resources;
2607
2608	warn "leaving sync_job";	3546	warn "leaving sync_job";
2609		3547
2610	1	3548	1
2611	} or do {	3549	} or do {
2612	warn $@;	3550	warn $@;
…		…
2617	warn "reloaded";	3555	warn "reloaded";
2618	};	3556	};
2619		3557
2620	our $RELOAD_WATCHER; # used only during reload	3558	our $RELOAD_WATCHER; # used only during reload
2621		3559
		3560	sub reload_perl() {
		3561	# doing reload synchronously and two reloads happen back-to-back,
		3562	# coro crashes during coro_state_free->destroy here.
		3563
		3564	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3565	undef $RELOAD_WATCHER;
		3566	do_reload_perl;
		3567	};
		3568	}
		3569
2622	register_command "reload" => sub {	3570	register_command "reload" => sub {
2623	my ($who, $arg) = @_;	3571	my ($who, $arg) = @_;
2624		3572
2625	if ($who->flag (FLAG_WIZ)) {	3573	if ($who->flag (FLAG_WIZ)) {
2626	$who->message ("reloading server.");	3574	$who->message ("reloading server.");
2627		3575	async {
2628	# doing reload synchronously and two reloads happen back-to-back,	3576	$Coro::current->{desc} = "perl_reload";
2629	# coro crashes during coro_state_free->destroy here.
2630
2631	$RELOAD_WATCHER ||= Event->timer (
2632	reentrant => 0,
2633	after => 0,
2634	data => WF_AUTOCANCEL,
2635	cb => sub {
2636	reload;	3577	reload_perl;
2637	undef $RELOAD_WATCHER;
2638	},
2639	);	3578	};
2640	}	3579	}
2641	};	3580	};
2642		3581
2643	unshift @INC, $LIBDIR;	3582	unshift @INC, $LIBDIR;
2644		3583
…		…
2647	our @WAIT_FOR_TICK;	3586	our @WAIT_FOR_TICK;
2648	our @WAIT_FOR_TICK_BEGIN;	3587	our @WAIT_FOR_TICK_BEGIN;
2649		3588
2650	sub wait_for_tick {	3589	sub wait_for_tick {
2651	return unless $TICK_WATCHER->is_active;	3590	return unless $TICK_WATCHER->is_active;
		3591	return if $Coro::current == $Coro::main;
		3592
2652	my $signal = new Coro::Signal;	3593	my $signal = new Coro::Signal;
2653	push @WAIT_FOR_TICK, $signal;	3594	push @WAIT_FOR_TICK, $signal;
2654	$signal->wait;	3595	$signal->wait;
2655	}	3596	}
2656		3597
2657	sub wait_for_tick_begin {	3598	sub wait_for_tick_begin {
2658	return unless $TICK_WATCHER->is_active;	3599	return unless $TICK_WATCHER->is_active;
		3600	return if $Coro::current == $Coro::main;
		3601
2659	my $signal = new Coro::Signal;	3602	my $signal = new Coro::Signal;
2660	push @WAIT_FOR_TICK_BEGIN, $signal;	3603	push @WAIT_FOR_TICK_BEGIN, $signal;
2661	$signal->wait;	3604	$signal->wait;
2662	}	3605	}
2663		3606
2664	$TICK_WATCHER = Event->timer (	3607	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2665	reentrant => 0,
2666	parked => 1,
2667	prio => 0,
2668	at => $NEXT_TICK || $TICK,
2669	data => WF_AUTOCANCEL,
2670	cb => sub {
2671	if ($Coro::current != $Coro::main) {	3608	if ($Coro::current != $Coro::main) {
2672	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3609	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2673	unless ++$bug_warning > 10;	3610	unless ++$bug_warning > 10;
2674	return;	3611	return;
2675	}	3612	}
2676		3613
2677	$NOW = Event::time;	3614	$NOW = $tick_start = EV::now;
2678		3615
2679	cf::server_tick; # one server iteration	3616	cf::server_tick; # one server iteration
		3617
2680	$RUNTIME += $TICK;	3618	$RUNTIME += $TICK;
2681	$NEXT_TICK += $TICK;	3619	$NEXT_TICK = $_[0]->at;
2682		3620
2683	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3621	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2684	$NEXT_RUNTIME_WRITE = $NOW + 10;	3622	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2685	Coro::async_pool {	3623	Coro::async_pool {
		3624	$Coro::current->{desc} = "runtime saver";
2686	write_runtime	3625	write_runtime
2687	or warn "ERROR: unable to write runtime file: $!";	3626	or warn "ERROR: unable to write runtime file: $!";
2688	};
2689	}	3627	};
		3628	}
2690		3629
2691	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {	3630	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
2692	$sig->send;	3631	$sig->send;
2693	}	3632	}
2694	while (my $sig = shift @WAIT_FOR_TICK) {	3633	while (my $sig = shift @WAIT_FOR_TICK) {
2695	$sig->send;	3634	$sig->send;
2696	}
2697
2698	# my $AFTER = Event::time;
2699	# warn $AFTER - $NOW;#d#
2700
2701	# if we are delayed by four ticks or more, skip them all
2702	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2703
2704	$TICK_WATCHER->at ($NEXT_TICK);
2705	$TICK_WATCHER->start;
2706	},	3635	}
2707	);	3636
		3637	$LOAD = ($NOW - $tick_start) / $TICK;
		3638	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3639
		3640	_post_tick;
		3641	};
		3642	$TICK_WATCHER->priority (EV::MAXPRI);
2708		3643
2709	{	3644	{
2710	BDB::max_poll_time $TICK * 0.1;	3645	# configure BDB
2711	$BDB_POLL_WATCHER = Event->io (	3646
2712	reentrant => 0,
2713	fd => BDB::poll_fileno,
2714	poll => 'r',
2715	prio => 0,
2716	data => WF_AUTOCANCEL,
2717	cb => \&BDB::poll_cb,
2718	);
2719	BDB::min_parallel 8;	3647	BDB::min_parallel 8;
2720		3648	BDB::max_poll_reqs $TICK * 0.1;
2721	BDB::set_sync_prepare {	3649	$Coro::BDB::WATCHER->priority (1);
2722	my $status;
2723	my $current = $Coro::current;
2724	(
2725	sub {
2726	$status = $!;
2727	$current->ready; undef $current;
2728	},
2729	sub {
2730	Coro::schedule while defined $current;
2731	$! = $status;
2732	},
2733	)
2734	};
2735		3650
2736	unless ($DB_ENV) {	3651	unless ($DB_ENV) {
2737	$DB_ENV = BDB::db_env_create;	3652	$DB_ENV = BDB::db_env_create;
		3653	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3654	| BDB::LOG_AUTOREMOVE, 1);
		3655	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3656	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2738		3657
2739	cf::sync_job {	3658	cf::sync_job {
2740	eval {	3659	eval {
2741	BDB::db_env_open	3660	BDB::db_env_open
2742	$DB_ENV,	3661	$DB_ENV,
2743	$BDB_ENV_DIR,	3662	$BDBDIR,
2744	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3663	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2745	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3664	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2746	0666;	3665	0666;
2747		3666
2748	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3667	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2749
2750	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2751	$DB_ENV->set_lk_detect;
2752	};	3668	};
2753		3669
2754	cf::cleanup "db_env_open(db): $@" if $@;	3670	cf::cleanup "db_env_open(db): $@" if $@;
2755	};	3671	};
2756	}	3672	}
		3673
		3674	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3675	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3676	};
		3677	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3678	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3679	};
		3680	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3681	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3682	};
2757	}	3683	}
2758		3684
2759	{	3685	{
		3686	# configure IO::AIO
		3687
2760	IO::AIO::min_parallel 8;	3688	IO::AIO::min_parallel 8;
2761
2762	undef $Coro::AIO::WATCHER;
2763	IO::AIO::max_poll_time $TICK * 0.1;	3689	IO::AIO::max_poll_time $TICK * 0.1;
2764	$AIO_POLL_WATCHER = Event->io (	3690	$Coro::AIO::WATCHER->priority (1);
2765	reentrant => 0,
2766	data => WF_AUTOCANCEL,
2767	fd => IO::AIO::poll_fileno,
2768	poll => 'r',
2769	prio => 6,
2770	cb => \&IO::AIO::poll_cb,
2771	);
2772	}	3691	}
		3692
		3693	my $_log_backtrace;
		3694
		3695	sub _log_backtrace {
		3696	my ($msg, @addr) = @_;
		3697
		3698	$msg =~ s/\n//;
		3699
		3700	# limit the # of concurrent backtraces
		3701	if ($_log_backtrace < 2) {
		3702	++$_log_backtrace;
		3703	async {
		3704	$Coro::current->{desc} = "abt $msg";
		3705
		3706	my @bt = fork_call {
		3707	@addr = map { sprintf "%x", $_ } @addr;
		3708	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3709	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3710	or die "addr2line: $!";
		3711
		3712	my @funcs;
		3713	my @res = <$fh>;
		3714	chomp for @res;
		3715	while (@res) {
		3716	my ($func, $line) = splice @res, 0, 2, ();
		3717	push @funcs, "[$func] $line";
		3718	}
		3719
		3720	@funcs
		3721	};
		3722
		3723	LOG llevInfo, "[ABT] $msg\n";
		3724	LOG llevInfo, "[ABT] $_\n" for @bt;
		3725	--$_log_backtrace;
		3726	};
		3727	} else {
		3728	LOG llevInfo, "[ABT] $msg\n";
		3729	LOG llevInfo, "[ABT] [suppressed]\n";
		3730	}
		3731	}
		3732
		3733	# load additional modules
		3734	use cf::pod;
2773		3735
2774	END { cf::emergency_save }	3736	END { cf::emergency_save }
2775		3737
2776	1	3738	1
2777		3739

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