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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC vs.
Revision 1.405 by root, Mon Dec 17 08:03:22 2007 UTC

…		…
3	use utf8;	3	use utf8;
4	use strict;	4	use strict;
5		5
6	use Symbol;	6	use Symbol;
7	use List::Util;	7	use List::Util;
8	use Storable;	8	use Socket;
		9	use EV 1.86;
9	use Opcode;	10	use Opcode;
10	use Safe;	11	use Safe;
11	use Safe::Hole;	12	use Safe::Hole;
		13	use Storable ();
12		14
13	use Coro 3.5 ();	15	use Coro 4.32 ();
		16	use Coro::State;
		17	use Coro::Handle;
14	use Coro::Event;	18	use Coro::EV;
15	use Coro::Timer;	19	use Coro::Timer;
16	use Coro::Signal;	20	use Coro::Signal;
17	use Coro::Semaphore;	21	use Coro::Semaphore;
18	use Coro::AIO;	22	use Coro::AIO;
		23	use Coro::BDB;
		24	use Coro::Storable;
		25	use Coro::Util ();
19		26
		27	use JSON::XS 2.01 ();
20	use BDB ();	28	use BDB ();
21	use Data::Dumper;	29	use Data::Dumper;
22	use Digest::MD5;	30	use Digest::MD5;
23	use Fcntl;	31	use Fcntl;
24	use IO::AIO 2.32 ();
25	use YAML::Syck ();	32	use YAML::Syck ();
		33	use IO::AIO 2.51 ();
26	use Time::HiRes;	34	use Time::HiRes;
27	use Compress::LZF;	35	use Compress::LZF;
		36	use Digest::MD5 ();
28		37
		38	# configure various modules to our taste
		39	#
		40	$Storable::canonical = 1; # reduce rsync transfers
		41	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later	42	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		43
35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	44	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36	$YAML::Syck::ImplicitUnicode = 1;	45	$YAML::Syck::ImplicitUnicode = 1;
37		46
38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	47	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
39		48
		49	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		50
40	our %COMMAND = ();	51	our %COMMAND = ();
41	our %COMMAND_TIME = ();	52	our %COMMAND_TIME = ();
42		53
43	our @EXTS = (); # list of extension package names	54	our @EXTS = (); # list of extension package names
44	our %EXTCMD = ();	55	our %EXTCMD = ();
		56	our %EXTICMD = ();
45	our %EXT_CORO = (); # coroutines bound to extensions	57	our %EXT_CORO = (); # coroutines bound to extensions
46	our %EXT_MAP = (); # pluggable maps	58	our %EXT_MAP = (); # pluggable maps
47		59
48	our $RELOAD; # number of reloads so far	60	our $RELOAD; # number of reloads so far
49	our @EVENT;	61	our @EVENT;
50	our $LIBDIR = datadir . "/ext";
51		62
52	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(!)
53	our $TICK_WATCHER;	77	our $TICK_WATCHER;
54	our $AIO_POLL_WATCHER;	78	our $AIO_POLL_WATCHER;
55	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written	79	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
56	our $NEXT_TICK;	80	our $NEXT_TICK;
57	our $NOW;
58	our $USE_FSYNC = 1; # use fsync to write maps - default off	81	our $USE_FSYNC = 1; # use fsync to write maps - default off
59		82
60	our $BDB_POLL_WATCHER;	83	our $BDB_POLL_WATCHER;
		84	our $BDB_DEADLOCK_WATCHER;
		85	our $BDB_CHECKPOINT_WATCHER;
		86	our $BDB_TRICKLE_WATCHER;
61	our $DB_ENV;	87	our $DB_ENV;
62		88
63	our %CFG;	89	our %CFG;
64		90
65	our $UPTIME; $UPTIME ||= time;	91	our $UPTIME; $UPTIME ||= time;
66	our $RUNTIME;	92	our $RUNTIME;
		93	our $NOW;
67		94
68	our %PLAYER; # all users	95	our (%PLAYER, %PLAYER_LOADING); # all users
69	our %MAP; # all maps	96	our (%MAP, %MAP_LOADING ); # all maps
70	our $LINK_MAP; # the special {link} map, which is always available	97	our $LINK_MAP; # the special {link} map, which is always available
71	our $RANDOM_MAPS = cf::localdir . "/random";
72	our $BDB_ENV_DIR = cf::localdir . "/db";
73
74	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
75	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
76		98
77	# 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 ∕
78	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	100	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
79		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 $tick_start; # for load detecting purposes
		105
80	binmode STDOUT;	106	binmode STDOUT;
81	binmode STDERR;	107	binmode STDERR;
82		108
83	# read virtual server time, if available	109	# read virtual server time, if available
84	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	110	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
85	open my $fh, "<", cf::localdir . "/runtime"	111	open my $fh, "<", "$LOCALDIR/runtime"
86	or die "unable to read runtime file: $!";	112	or die "unable to read runtime file: $!";
87	$RUNTIME = <$fh> + 0.;	113	$RUNTIME = <$fh> + 0.;
88	}	114	}
89		115
90	mkdir cf::localdir;	116	mkdir $_
91	mkdir cf::localdir . "/" . cf::playerdir;	117	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
92	mkdir cf::localdir . "/" . cf::tmpdir;
93	mkdir cf::localdir . "/" . cf::uniquedir;
94	mkdir $RANDOM_MAPS;
95	mkdir $BDB_ENV_DIR;
96		118
97	our $EMERGENCY_POSITION;	119	our $EMERGENCY_POSITION;
98		120
99	sub cf::map::normalise;	121	sub cf::map::normalise;
100		122
…		…
111	=item $cf::RUNTIME	133	=item $cf::RUNTIME
112		134
113	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
114	every server tick.	136	every server tick.
115		137
116	=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
117		141
118	The perl library directory, where extensions and cf-specific modules can	142	Various directories - "/etc", read-only install directory, perl-library
119	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.
120		146
121	=item $cf::NOW	147	=item $cf::NOW
122		148
123	The time of the last (current) server tick.	149	The time of the last (current) server tick.
124		150
125	=item $cf::TICK	151	=item $cf::TICK
126		152
127	The interval between server ticks, in seconds.	153	The interval between server ticks, in seconds.
128		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
129	=item %cf::CFG	165	=item %cf::CFG
130		166
131	Configuration for the server, loaded from C</etc/crossfire/config>, or	167	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
132	from wherever your confdir points to.	168	from wherever your confdir points to.
133		169
134	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	170	=item cf::wait_for_tick, cf::wait_for_tick_begin
135		171
136	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	172	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
137	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	173	returns directly I<after> the tick processing (and consequently, can only wake one process
138	processing has been done. Call C<< ->wait >> on them to maximise the	174	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
139	window of cpu time available, or simply to synchronise to the server tick.	175
		176	=item @cf::INVOKE_RESULTS
		177
		178	This array contains the results of the last C<invoke ()> call. When
		179	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		180	that call.
140		181
141	=back	182	=back
142		183
143	=cut	184	=cut
144		185
145	BEGIN {	186	BEGIN {
146	*CORE::GLOBAL::warn = sub {	187	*CORE::GLOBAL::warn = sub {
147	my $msg = join "", @_;	188	my $msg = join "", @_;
148	utf8::encode $msg;
149		189
150	$msg .= "\n"	190	$msg .= "\n"
151	unless $msg =~ /\n$/;	191	unless $msg =~ /\n$/;
		192
		193	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
152		194
153	LOG llevError, $msg;	195	LOG llevError, $msg;
154	};	196	};
155	}	197	}
156		198
157	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	199	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
158	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	200	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
159	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	201	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
160	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	202	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
161	@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';
162	@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)
163		206
164	# 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
165	# within the Safe compartment.	208	# within the Safe compartment.
166	for my $pkg (qw(	209	for my $pkg (qw(
167	cf::global cf::attachable	210	cf::global cf::attachable
…		…
172	)) {	215	)) {
173	no strict 'refs';	216	no strict 'refs';
174	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	217	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
175	}	218	}
176		219
177	$Event::DIED = sub {	220	$EV::DIED = sub {
178	warn "error in event callback: @_";	221	warn "error in event callback: @_";
179	};	222	};
		223
		224	#############################################################################
180		225
181	=head2 UTILITY FUNCTIONS	226	=head2 UTILITY FUNCTIONS
182		227
183	=over 4	228	=over 4
184		229
…		…
203	$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;
204	$d	249	$d
205	} || "[unable to dump $_[0]: '$@']";	250	} || "[unable to dump $_[0]: '$@']";
206	}	251	}
207		252
208	use JSON::Syck (); # TODO# replace by JSON::PC once working
209
210	=item $ref = cf::from_json $json	253	=item $ref = cf::decode_json $json
211		254
212	Converts a JSON string into the corresponding perl data structure.	255	Converts a JSON string into the corresponding perl data structure.
213		256
214	=cut
215
216	sub from_json($) {
217	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
218	JSON::Syck::Load $_[0]
219	}
220
221	=item $json = cf::to_json $ref	257	=item $json = cf::encode_json $ref
222		258
223	Converts a perl data structure into its JSON representation.	259	Converts a perl data structure into its JSON representation.
224		260
225	=cut	261	=cut
226		262
227	sub to_json($) {	263	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
228	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	264
229	JSON::Syck::Dump $_[0]	265	sub encode_json($) { $json_coder->encode ($_[0]) }
230	}	266	sub decode_json($) { $json_coder->decode ($_[0]) }
231		267
232	=item cf::lock_wait $string	268	=item cf::lock_wait $string
233		269
234	Wait until the given lock is available. See cf::lock_acquire.	270	Wait until the given lock is available. See cf::lock_acquire.
235		271
…		…
238	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
239	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,
240	for example when the coroutine gets canceled), the lock is automatically	276	for example when the coroutine gets canceled), the lock is automatically
241	returned.	277	returned.
242		278
		279	Locks are *not* recursive, locking from the same coro twice results in a
		280	deadlocked coro.
		281
243	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
244	uses map_find and cf::map::load uses map_load).	283	uses map_find and cf::map::load uses map_load).
245		284
		285	=item $locked = cf::lock_active $string
		286
		287	Return true if the lock is currently active, i.e. somebody has locked it.
		288
246	=cut	289	=cut
247		290
248	our %LOCK;	291	our %LOCK;
		292	our %LOCKER;#d#
249		293
250	sub lock_wait($) {	294	sub lock_wait($) {
251	my ($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#
252		301
253	# wait for lock, if any	302	# wait for lock, if any
254	while ($LOCK{$key}) {	303	while ($LOCK{$key}) {
255	push @{ $LOCK{$key} }, $Coro::current;	304	push @{ $LOCK{$key} }, $Coro::current;
256	Coro::schedule;	305	Coro::schedule;
…		…
262		311
263	# wait, to be sure we are not locked	312	# wait, to be sure we are not locked
264	lock_wait $key;	313	lock_wait $key;
265		314
266	$LOCK{$key} = [];	315	$LOCK{$key} = [];
		316	$LOCKER{$key} = $Coro::current;#d#
267		317
268	Coro::guard {	318	Coro::guard {
		319	delete $LOCKER{$key};#d#
269	# wake up all waiters, to be on the safe side	320	# wake up all waiters, to be on the safe side
270	$_->ready for @{ delete $LOCK{$key} };	321	$_->ready for @{ delete $LOCK{$key} };
271	}	322	}
		323	}
		324
		325	sub lock_active($) {
		326	my ($key) = @_;
		327
		328	! ! $LOCK{$key}
272	}	329	}
273		330
274	sub freeze_mainloop {	331	sub freeze_mainloop {
275	return unless $TICK_WATCHER->is_active;	332	return unless $TICK_WATCHER->is_active;
276		333
…		…
279	};	336	};
280	$TICK_WATCHER->stop;	337	$TICK_WATCHER->stop;
281	$guard	338	$guard
282	}	339	}
283		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	$sig->wait;
		412	}
		413
284	=item cf::async { BLOCK }	414	=item cf::async { BLOCK }
285		415
286	Currently the same as Coro::async_pool, meaning you cannot use	416	Currently the same as Coro::async_pool, meaning you cannot use
287	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only	417	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
288	thing you are allowed to do is call C<prio> on it.	418	thing you are allowed to do is call C<prio> on it.
…		…
291		421
292	BEGIN { *async = \&Coro::async_pool }	422	BEGIN { *async = \&Coro::async_pool }
293		423
294	=item cf::sync_job { BLOCK }	424	=item cf::sync_job { BLOCK }
295		425
296	The design of crossfire+ requires that the main coro ($Coro::main) is	426	The design of Deliantra requires that the main coroutine ($Coro::main)
297	always able to handle events or runnable, as crossfire+ is only partly	427	is always able to handle events or runnable, as Deliantra is only
298	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	428	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		429	acceptable.
299		430
300	If it must be done, put the blocking parts into C<sync_job>. This will run	431	If it must be done, put the blocking parts into C<sync_job>. This will run
301	the given BLOCK in another coroutine while waiting for the result. The	432	the given BLOCK in another coroutine while waiting for the result. The
302	server will be frozen during this time, so the block should either finish	433	server will be frozen during this time, so the block should either finish
303	fast or be very important.	434	fast or be very important.
…		…
306		437
307	sub sync_job(&) {	438	sub sync_job(&) {
308	my ($job) = @_;	439	my ($job) = @_;
309		440
310	if ($Coro::current == $Coro::main) {	441	if ($Coro::current == $Coro::main) {
		442	my $time = EV::time;
		443
311	# this is the main coro, too bad, we have to block	444	# this is the main coro, too bad, we have to block
312	# till the operation succeeds, freezing the server :/	445	# till the operation succeeds, freezing the server :/
313		446
		447	LOG llevError, Carp::longmess "sync job";#d#
		448
314	# TODO: use suspend/resume instead	449	# TODO: use suspend/resume instead
315	# (but this is cancel-safe)	450	# (but this is cancel-safe)
316	my $freeze_guard = freeze_mainloop;	451	my $freeze_guard = freeze_mainloop;
317		452
318	my $busy = 1;	453	my $busy = 1;
319	my @res;	454	my @res;
320		455
321	(async {	456	(async {
		457	$Coro::current->desc ("sync job coro");
322	@res = eval { $job->() };	458	@res = eval { $job->() };
323	warn $@ if $@;	459	warn $@ if $@;
324	undef $busy;	460	undef $busy;
325	})->prio (Coro::PRIO_MAX);	461	})->prio (Coro::PRIO_MAX);
326		462
327	while ($busy) {	463	while ($busy) {
328	Coro::cede or Event::one_event;	464	if (Coro::nready) {
		465	Coro::cede_notself;
		466	} else {
		467	EV::loop EV::LOOP_ONESHOT;
329	}	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
330		477
331	wantarray ? @res : $res[0]	478	wantarray ? @res : $res[0]
332	} else {	479	} else {
333	# we are in another coroutine, how wonderful, everything just works	480	# we are in another coroutine, how wonderful, everything just works
334		481
…		…
354	$EXT_CORO{$coro+0} = $coro;	501	$EXT_CORO{$coro+0} = $coro;
355		502
356	$coro	503	$coro
357	}	504	}
358		505
359	sub write_runtime {	506	=item fork_call { }, $args
360	my $guard = cf::lock_acquire "write_runtime";
361		507
362	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.
363		512
364	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	513	=cut
365	or return;
366		514
367	my $value = $cf::RUNTIME + 90 + 10;	515	sub fork_call(&@) {
368	# 10 is the runtime save interval, for a monotonic clock	516	my ($cb, @args) = @_;
369	# 60 allows for the watchdog to kill the server.
370		517
371	(aio_write $fh, 0, (length $value), $value, 0) <= 0	518	# we seemingly have to make a local copy of the whole thing,
372	and return;	519	# otherwise perl prematurely frees the stuff :/
		520	# TODO: investigate and fix (likely this will be rather laborious)
373		521
374	# always fsync - this file is important	522	my @res = Coro::Util::fork_eval {
375	aio_fsync $fh	523	reset_signals;
376	and return;	524	&$cb
		525	}, @args;
377		526
378	close $fh	527	wantarray ? @res : $res[-1]
379	or return;	528	}
380		529
381	aio_rename "$runtime~", $runtime	530	=item $value = cf::db_get $family => $key
382	and return;
383		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($$) {
		572	my $key = "$_[0]/$_[1]";
		573
		574	cf::sync_job {
		575	BDB::db_get $DB, undef, $key, my $data;
		576
		577	$! ? ()
		578	: $data
384	1	579	}
		580	}
		581
		582	sub db_put($$$) {
		583	BDB::dbreq_pri 4;
		584	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		585	}
		586
		587	=item cf::cache $id => [$paths...], $processversion => $process
		588
		589	Generic caching function that returns the value of the resource $id,
		590	caching and regenerating as required.
		591
		592	This function can block.
		593
		594	=cut
		595
		596	sub cache {
		597	my ($id, $src, $processversion, $process) = @_;
		598
		599	my $meta =
		600	join "\x00",
		601	$processversion,
		602	map {
		603	aio_stat $_
		604	and Carp::croak "$_: $!";
		605
		606	($_, (stat _)[7,9])
		607	} @$src;
		608
		609	my $dbmeta = db_get cache => "$id/meta";
		610	if ($dbmeta ne $meta) {
		611	# changed, we may need to process
		612
		613	my @data;
		614	my $md5;
		615
		616	for (0 .. $#$src) {
		617	0 <= aio_load $src->[$_], $data[$_]
		618	or Carp::croak "$src->[$_]: $!";
		619	}
		620
		621	# if processing is expensive, check
		622	# checksum first
		623	if (1) {
		624	$md5 =
		625	join "\x00",
		626	$processversion,
		627	map {
		628	cf::cede_to_tick;
		629	($src->[$_], Digest::MD5::md5_hex $data[$_])
		630	} 0.. $#$src;
		631
		632
		633	my $dbmd5 = db_get cache => "$id/md5";
		634	if ($dbmd5 eq $md5) {
		635	db_put cache => "$id/meta", $meta;
		636
		637	return db_get cache => "$id/data";
		638	}
		639	}
		640
		641	my $t1 = Time::HiRes::time;
		642	my $data = $process->(\@data);
		643	my $t2 = Time::HiRes::time;
		644
		645	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		646
		647	db_put cache => "$id/data", $data;
		648	db_put cache => "$id/md5" , $md5;
		649	db_put cache => "$id/meta", $meta;
		650
		651	return $data;
		652	}
		653
		654	db_get cache => "$id/data"
		655	}
		656
		657	=item cf::datalog type => key => value, ...
		658
		659	Log a datalog packet of the given type with the given key-value pairs.
		660
		661	=cut
		662
		663	sub datalog($@) {
		664	my ($type, %kv) = @_;
		665	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
385	}	666	}
386		667
387	=back	668	=back
388		669
389	=cut	670	=cut
…		…
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]} };
…		…
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];
965		1373
966	(playerdir $login) . "/$login.pl"	1374	(playerdir $login) . "/playerdata"
967	}	1375	}
968		1376
969	sub find_active($) {	1377	sub find_active($) {
970	$cf::PLAYER{$_[0]}	1378	$cf::PLAYER{$_[0]}
971	and $cf::PLAYER{$_[0]}->active	1379	and $cf::PLAYER{$_[0]}->active
…		…
984	my $login = $_[0];	1392	my $login = $_[0];
985		1393
986	my $guard = cf::lock_acquire "user_find:$login";	1394	my $guard = cf::lock_acquire "user_find:$login";
987		1395
988	$cf::PLAYER{$_[0]} || do {	1396	$cf::PLAYER{$_[0]} || do {
989	my $pl = load_pl path $login	1397	# rename old playerfiles to new ones
		1398	#TODO: remove when no longer required
		1399	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1400	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1401	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1402	aio_unlink +(playerdir $login) . "/$login.pl";
		1403
		1404	my $f = new_from_file cf::object::thawer path $login
990	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;
991	$cf::PLAYER{$login} = $pl	1411	$cf::PLAYER{$login} = $pl
992	}	1412	}
993	}	1413	}
994	}	1414	}
995		1415
…		…
1005		1425
1006	aio_mkdir playerdir $pl, 0770;	1426	aio_mkdir playerdir $pl, 0770;
1007	$pl->{last_save} = $cf::RUNTIME;	1427	$pl->{last_save} = $cf::RUNTIME;
1008		1428
1009	$pl->save_pl ($path);	1429	$pl->save_pl ($path);
1010	Coro::cede;	1430	cf::cede_to_tick;
1011	}	1431	}
1012		1432
1013	sub new($) {	1433	sub new($) {
1014	my ($login) = @_;	1434	my ($login) = @_;
1015		1435
…		…
1019	$self->{deny_save} = 1;	1439	$self->{deny_save} = 1;
1020		1440
1021	$cf::PLAYER{$login} = $self;	1441	$cf::PLAYER{$login} = $self;
1022		1442
1023	$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 (@_);
1024	}	1454	}
1025		1455
1026	=item $pl->quit_character	1456	=item $pl->quit_character
1027		1457
1028	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
…		…
1077	while and may block, so not sync_job-capable, ever.	1507	while and may block, so not sync_job-capable, ever.
1078		1508
1079	=cut	1509	=cut
1080		1510
1081	sub list_logins {	1511	sub list_logins {
1082	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1512	my $dirs = aio_readdir $PLAYERDIR
1083	or return [];	1513	or return [];
1084		1514
1085	my @logins;	1515	my @logins;
1086		1516
1087	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") {
1088	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1522	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1089	aio_read $fh, 0, 512, my $buf, 0 or next;	1523	aio_read $fh, 0, 512, my $buf, 0 or next;
1090	$buf !~ /^password -------------$/m or next; # official not-valid tag	1524	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1525	}
1091		1526
1092	utf8::decode $login;	1527	utf8::decode $login;
1093	push @logins, $login;	1528	push @logins, $login;
1094	}	1529	}
1095		1530
…		…
1122	}	1557	}
1123		1558
1124	\@paths	1559	\@paths
1125	}	1560	}
1126		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
1127	=item $player->ext_reply ($msgid, $msgtype, %msg)	1655	=item $player->ext_reply ($msgid, @msg)
1128		1656
1129	Sends an ext reply to the player.	1657	Sends an ext reply to the player.
1130		1658
1131	=cut	1659	=cut
1132		1660
1133	sub ext_reply($$$%) {	1661	sub ext_reply($$@) {
1134	my ($self, $id, %msg) = @_;	1662	my ($self, $id, @msg) = @_;
1135		1663
1136	$msg{msgid} = $id;	1664	$self->ns->ext_reply ($id, @msg)
1137
1138	$self->send ("ext " . cf::to_json \%msg);
1139	}	1665	}
1140		1666
1141	package cf;	1667	=item $player->ext_msg ($type, @msg)
		1668
		1669	Sends an ext event to the client.
		1670
		1671	=cut
		1672
		1673	sub ext_msg($$@) {
		1674	my ($self, $type, @msg) = @_;
		1675
		1676	$self->ns->ext_msg ($type, @msg);
		1677	}
		1678
		1679	=head3 cf::region
		1680
		1681	=over 4
		1682
		1683	=cut
		1684
		1685	package cf::region;
		1686
		1687	=item cf::region::find_by_path $path
		1688
		1689	Tries to decuce the likely region for a map knowing only its path.
		1690
		1691	=cut
		1692
		1693	sub find_by_path($) {
		1694	my ($path) = @_;
		1695
		1696	my ($match, $specificity);
		1697
		1698	for my $region (list) {
		1699	if ($region->{match} && $path =~ $region->{match}) {
		1700	($match, $specificity) = ($region, $region->specificity)
		1701	if $region->specificity > $specificity;
		1702	}
		1703	}
		1704
		1705	$match
		1706	}
1142		1707
1143	=back	1708	=back
1144
1145		1709
1146	=head3 cf::map	1710	=head3 cf::map
1147		1711
1148	=over 4	1712	=over 4
1149		1713
…		…
1204	my ($self, $merge) = @_;	1768	my ($self, $merge) = @_;
1205		1769
1206	# we have to keep some variables in memory intact	1770	# we have to keep some variables in memory intact
1207	local $self->{path};	1771	local $self->{path};
1208	local $self->{load_path};	1772	local $self->{load_path};
1209	local $self->{deny_save};
1210	local $self->{deny_reset};
1211		1773
1212	$self->SUPER::thawer_merge ($merge);	1774	$self->SUPER::thawer_merge ($merge);
1213	}	1775	}
1214		1776
1215	sub normalise {	1777	sub normalise {
…		…
1262	$self->init; # pass $1 etc.	1824	$self->init; # pass $1 etc.
1263	return $self;	1825	return $self;
1264	}	1826	}
1265	}	1827	}
1266		1828
1267	Carp::carp "unable to resolve path '$path' (base '$base').";	1829	Carp::cluck "unable to resolve path '$path' (base '$base').";
1268	()	1830	()
1269	}	1831	}
1270		1832
1271	sub init {	1833	sub init {
1272	my ($self) = @_;	1834	my ($self) = @_;
…		…
1287		1849
1288	# the original (read-only) location	1850	# the original (read-only) location
1289	sub load_path {	1851	sub load_path {
1290	my ($self) = @_;	1852	my ($self) = @_;
1291		1853
1292	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}	1854	"$MAPDIR/$self->{path}.map"
1293	}	1855	}
1294		1856
1295	# the temporary/swap location	1857	# the temporary/swap location
1296	sub save_path {	1858	sub save_path {
1297	my ($self) = @_;	1859	my ($self) = @_;
1298		1860
1299	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1861	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1300	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path	1862	"$TMPDIR/$path.map"
1301	}	1863	}
1302		1864
1303	# the unique path, undef == no special unique path	1865	# the unique path, undef == no special unique path
1304	sub uniq_path {	1866	sub uniq_path {
1305	my ($self) = @_;	1867	my ($self) = @_;
1306		1868
1307	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;	1869	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1308	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path	1870	"$UNIQUEDIR/$path"
1309	}	1871	}
1310		1872
1311	# and all this just because we cannot iterate over	1873	# and all this just because we cannot iterate over
1312	# all maps in C++...	1874	# all maps in C++...
1313	sub change_all_map_light {	1875	sub change_all_map_light {
…		…
1315		1877
1316	$_->change_map_light ($change)	1878	$_->change_map_light ($change)
1317	for grep $_->outdoor, values %cf::MAP;	1879	for grep $_->outdoor, values %cf::MAP;
1318	}	1880	}
1319		1881
		1882	sub decay_objects {
		1883	my ($self) = @_;
		1884
		1885	return if $self->{deny_reset};
		1886
		1887	$self->do_decay_objects;
		1888	}
		1889
1320	sub unlink_save {	1890	sub unlink_save {
1321	my ($self) = @_;	1891	my ($self) = @_;
1322		1892
1323	utf8::encode (my $save = $self->save_path);	1893	utf8::encode (my $save = $self->save_path);
1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;	1894	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
…		…
1327		1897
1328	sub load_header_from($) {	1898	sub load_header_from($) {
1329	my ($self, $path) = @_;	1899	my ($self, $path) = @_;
1330		1900
1331	utf8::encode $path;	1901	utf8::encode $path;
1332	#aio_open $path, O_RDONLY, 0	1902	my $f = new_from_file cf::object::thawer $path
1333	# or return;
1334
1335	$self->_load_header ($path)
1336	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;
1337		1910
1338	$self->{load_path} = $path;	1911	$self->{load_path} = $path;
1339		1912
1340	1	1913	1
1341	}	1914	}
…		…
1380	$self->load_header_orig	1953	$self->load_header_orig
1381	or return;	1954	or return;
1382	$self->prepare_orig;	1955	$self->prepare_orig;
1383	}	1956	}
1384		1957
		1958	$self->{deny_reset} = 1
		1959	if $self->no_reset;
		1960
		1961	$self->default_region (cf::region::find_by_path $self->{path})
		1962	unless $self->default_region;
		1963
1385	1	1964	1
1386	}	1965	}
1387		1966
1388	sub find;	1967	sub find;
1389	sub find {	1968	sub find {
1390	my ($path, $origin) = @_;	1969	my ($path, $origin) = @_;
1391		1970
1392	$path = normalise $path, $origin && $origin->path;	1971	$path = normalise $path, $origin && $origin->path;
1393		1972
		1973	cf::lock_wait "map_data:$path";#d#remove
1394	cf::lock_wait "map_find:$path";	1974	cf::lock_wait "map_find:$path";
1395		1975
1396	$cf::MAP{$path} || do {	1976	$cf::MAP{$path} || do {
1397	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
1398	my $map = new_from_path cf::map $path	1980	my $map = new_from_path cf::map $path
1399	or return;	1981	or return;
1400		1982
1401	$map->{last_save} = $cf::RUNTIME;	1983	$map->{last_save} = $cf::RUNTIME;
1402		1984
1403	$map->load_header	1985	$map->load_header
1404	or return;	1986	or return;
1405		1987
1406	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)	1988	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1407	# doing this can freeze the server in a sync job, obviously	1989	# doing this can freeze the server in a sync job, obviously
1408	#$cf::WAIT_FOR_TICK->wait;	1990	#$cf::WAIT_FOR_TICK->wait;
		1991	undef $guard1;
		1992	undef $guard2;
1409	$map->reset;	1993	$map->reset;
1410	undef $guard;
1411	return find $path;	1994	return find $path;
1412	}	1995	}
1413		1996
1414	$cf::MAP{$path} = $map	1997	$cf::MAP{$path} = $map
1415	}	1998	}
…		…
1422	my ($self) = @_;	2005	my ($self) = @_;
1423		2006
1424	local $self->{deny_reset} = 1; # loading can take a long time	2007	local $self->{deny_reset} = 1; # loading can take a long time
1425		2008
1426	my $path = $self->{path};	2009	my $path = $self->{path};
		2010
		2011	{
1427	my $guard = cf::lock_acquire "map_load:$path";	2012	my $guard = cf::lock_acquire "map_data:$path";
1428		2013
		2014	return unless $self->valid;
1429	return if $self->in_memory != cf::MAP_SWAPPED;	2015	return unless $self->in_memory == cf::MAP_SWAPPED;
1430		2016
1431	$self->in_memory (cf::MAP_LOADING);	2017	$self->in_memory (cf::MAP_LOADING);
1432		2018
1433	$self->alloc;	2019	$self->alloc;
1434		2020
1435	$self->pre_load;	2021	$self->pre_load;
		2022	cf::cede_to_tick;
1436		2023
1437	$self->_load_objects ($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)
1438	or return;	2027	or return;
1439		2028
1440	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2029	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1441	if delete $self->{load_original};	2030	if delete $self->{load_original};
1442		2031
1443	if (my $uniq = $self->uniq_path) {	2032	if (my $uniq = $self->uniq_path) {
1444	utf8::encode $uniq;	2033	utf8::encode $uniq;
1445	if (aio_open $uniq, O_RDONLY, 0) {	2034	unless (aio_stat $uniq) {
		2035	if (my $f = new_from_file cf::object::thawer $uniq) {
1446	$self->clear_unique_items;	2036	$self->clear_unique_items;
1447	$self->_load_objects ($uniq, 0);	2037	$self->_load_objects ($f);
		2038	$f->resolve_delayed_derefs;
		2039	}
1448	}	2040	}
1449	}	2041	}
1450		2042
1451	Coro::cede;	2043	$f->resolve_delayed_derefs;
1452		2044
		2045	cf::cede_to_tick;
1453	# now do the right thing for maps	2046	# now do the right thing for maps
1454	$self->link_multipart_objects;	2047	$self->link_multipart_objects;
1455
1456	unless ($self->{deny_activate}) {
1457	$self->decay_objects;
1458	$self->fix_auto_apply;
1459	$self->update_buttons;
1460	Coro::cede;
1461	$self->set_darkness_map;
1462	$self->difficulty ($self->estimate_difficulty)	2048	$self->difficulty ($self->estimate_difficulty)
1463	unless $self->difficulty;	2049	unless $self->difficulty;
1464	Coro::cede;	2050	cf::cede_to_tick;
		2051
		2052	unless ($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;
1465	$self->activate;	2059	$self->activate;
		2060	}
		2061
		2062	$self->{last_save} = $cf::RUNTIME;
		2063	$self->last_access ($cf::RUNTIME);
		2064
		2065	$self->in_memory (cf::MAP_IN_MEMORY);
1466	}	2066	}
1467		2067
1468	$self->post_load;	2068	$self->post_load;
1469
1470	$self->in_memory (cf::MAP_IN_MEMORY);
1471	}	2069	}
1472		2070
1473	sub customise_for {	2071	sub customise_for {
1474	my ($self, $ob) = @_;	2072	my ($self, $ob) = @_;
1475		2073
1476	return find "~" . $ob->name . "/" . $self->{path}	2074	return find "~" . $ob->name . "/" . $self->{path}
1477	if $self->per_player;	2075	if $self->per_player;
1478		2076
		2077	# return find "?party/" . $ob->name . "/" . $self->{path}
		2078	# if $self->per_party;
		2079
1479	$self	2080	$self
1480	}	2081	}
1481		2082
1482	# find and load all maps in the 3x3 area around a map	2083	# find and load all maps in the 3x3 area around a map
1483	sub load_diag {	2084	sub load_neighbours {
1484	my ($map) = @_;	2085	my ($map) = @_;
1485		2086
1486	my @diag; # diagonal neighbours	2087	my @neigh; # diagonal neighbours
1487		2088
1488	for (0 .. 3) {	2089	for (0 .. 3) {
1489	my $neigh = $map->tile_path ($_)	2090	my $neigh = $map->tile_path ($_)
1490	or next;	2091	or next;
1491	$neigh = find $neigh, $map	2092	$neigh = find $neigh, $map
1492	or next;	2093	or next;
1493	$neigh->load;	2094	$neigh->load;
1494		2095
		2096	push @neigh,
1495	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2097	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1496	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2098	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1497	}	2099	}
1498		2100
1499	for (@diag) {	2101	for (grep defined $_->[0], @neigh) {
		2102	my ($path, $origin) = @$_;
1500	my $neigh = find @$_	2103	my $neigh = find $path, $origin
1501	or next;	2104	or next;
1502	$neigh->load;	2105	$neigh->load;
1503	}	2106	}
1504	}	2107	}
1505		2108
…		…
1510	}	2113	}
1511		2114
1512	sub do_load_sync {	2115	sub do_load_sync {
1513	my ($map) = @_;	2116	my ($map) = @_;
1514		2117
		2118	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2119	if $Coro::current == $Coro::main;
		2120
1515	cf::sync_job { $map->load };	2121	cf::sync_job { $map->load };
1516	}	2122	}
1517		2123
1518	our %MAP_PREFETCH;	2124	our %MAP_PREFETCH;
1519	our $MAP_PREFETCHER = undef;	2125	our $MAP_PREFETCHER = undef;
1520		2126
1521	sub find_async {	2127	sub find_async {
1522	my ($path, $origin) = @_;	2128	my ($path, $origin, $load) = @_;
1523		2129
1524	$path = normalise $path, $origin && $origin->{path};	2130	$path = normalise $path, $origin && $origin->{path};
1525		2131
1526	if (my $map = $cf::MAP{$path}) {	2132	if (my $map = $cf::MAP{$path}) {
1527	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2133	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1528	}	2134	}
1529		2135
1530	undef $MAP_PREFETCH{$path};	2136	$MAP_PREFETCH{$path} |= $load;
		2137
1531	$MAP_PREFETCHER ||= cf::async {	2138	$MAP_PREFETCHER ||= cf::async {
		2139	$Coro::current->{desc} = "map prefetcher";
		2140
1532	while (%MAP_PREFETCH) {	2141	while (%MAP_PREFETCH) {
1533	for my $path (keys %MAP_PREFETCH) {	2142	while (my ($k, $v) = each %MAP_PREFETCH) {
1534	my $map = find $path	2143	if (my $map = find $k) {
1535	or next;
1536	$map->load;	2144	$map->load if $v;
		2145	}
1537		2146
1538	delete $MAP_PREFETCH{$path};	2147	delete $MAP_PREFETCH{$k};
1539	}	2148	}
1540	}	2149	}
1541	undef $MAP_PREFETCHER;	2150	undef $MAP_PREFETCHER;
1542	};	2151	};
1543	$MAP_PREFETCHER->prio (6);	2152	$MAP_PREFETCHER->prio (6);
…		…
1546	}	2155	}
1547		2156
1548	sub save {	2157	sub save {
1549	my ($self) = @_;	2158	my ($self) = @_;
1550		2159
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2160	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2161
1553	$self->{last_save} = $cf::RUNTIME;	2162	$self->{last_save} = $cf::RUNTIME;
1554		2163
1555	return unless $self->dirty;	2164	return unless $self->dirty;
1556		2165
…		…
1562	return if $self->{deny_save};	2171	return if $self->{deny_save};
1563		2172
1564	local $self->{last_access} = $self->last_access;#d#	2173	local $self->{last_access} = $self->last_access;#d#
1565		2174
1566	cf::async {	2175	cf::async {
		2176	$Coro::current->{desc} = "map player save";
1567	$_->contr->save for $self->players;	2177	$_->contr->save for $self->players;
1568	};	2178	};
1569		2179
1570	if ($uniq) {	2180	if ($uniq) {
1571	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2181	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
…		…
1579	my ($self) = @_;	2189	my ($self) = @_;
1580		2190
1581	# save first because save cedes	2191	# save first because save cedes
1582	$self->save;	2192	$self->save;
1583		2193
1584	my $lock = cf::lock_acquire "map_data:" . $self->path;	2194	my $lock = cf::lock_acquire "map_data:$self->{path}";
1585		2195
1586	return if $self->players;	2196	return if $self->players;
1587	return if $self->in_memory != cf::MAP_IN_MEMORY;	2197	return if $self->in_memory != cf::MAP_IN_MEMORY;
1588	return if $self->{deny_save};	2198	return if $self->{deny_save};
1589		2199
		2200	$self->in_memory (cf::MAP_SWAPPED);
		2201
		2202	$self->deactivate;
		2203	$_->clear_links_to ($self) for values %cf::MAP;
1590	$self->clear;	2204	$self->clear;
1591	$self->in_memory (cf::MAP_SWAPPED);
1592	}	2205	}
1593		2206
1594	sub reset_at {	2207	sub reset_at {
1595	my ($self) = @_;	2208	my ($self) = @_;
1596		2209
1597	# TODO: safety, remove and allow resettable per-player maps	2210	# TODO: safety, remove and allow resettable per-player maps
1598	return 1e99 if $self->isa ("ext::map_per_player");#d#
1599	return 1e99 if $self->{deny_reset};	2211	return 1e99 if $self->{deny_reset};
1600		2212
1601	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2213	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1602	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2214	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1603		2215
…		…
1614	my ($self) = @_;	2226	my ($self) = @_;
1615		2227
1616	my $lock = cf::lock_acquire "map_data:$self->{path}";	2228	my $lock = cf::lock_acquire "map_data:$self->{path}";
1617		2229
1618	return if $self->players;	2230	return if $self->players;
1619	return if $self->isa ("ext::map_per_player");#d#
1620		2231
1621	warn "resetting map ", $self->path;#d#	2232	warn "resetting map ", $self->path;
1622		2233
1623	$self->in_memory (cf::MAP_SWAPPED);	2234	$self->in_memory (cf::MAP_SWAPPED);
1624		2235
1625	# need to save uniques path	2236	# need to save uniques path
1626	unless ($self->{deny_save}) {	2237	unless ($self->{deny_save}) {
…		…
1630	if $uniq;	2241	if $uniq;
1631	}	2242	}
1632		2243
1633	delete $cf::MAP{$self->path};	2244	delete $cf::MAP{$self->path};
1634		2245
		2246	$self->deactivate;
		2247	$_->clear_links_to ($self) for values %cf::MAP;
1635	$self->clear;	2248	$self->clear;
1636
1637	$_->clear_links_to ($self) for values %cf::MAP;
1638		2249
1639	$self->unlink_save;	2250	$self->unlink_save;
1640	$self->destroy;	2251	$self->destroy;
1641	}	2252	}
1642		2253
1643	my $nuke_counter = "aaaa";	2254	my $nuke_counter = "aaaa";
1644		2255
1645	sub nuke {	2256	sub nuke {
1646	my ($self) = @_;	2257	my ($self) = @_;
1647		2258
		2259	{
		2260	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2261
1648	delete $cf::MAP{$self->path};	2262	delete $cf::MAP{$self->path};
1649		2263
1650	$self->unlink_save;	2264	$self->unlink_save;
1651		2265
1652	bless $self, "cf::map";	2266	bless $self, "cf::map";
1653	delete $self->{deny_reset};	2267	delete $self->{deny_reset};
1654	$self->{deny_save} = 1;	2268	$self->{deny_save} = 1;
1655	$self->reset_timeout (1);	2269	$self->reset_timeout (1);
1656	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));	2270	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1657		2271
1658	$cf::MAP{$self->path} = $self;	2272	$cf::MAP{$self->path} = $self;
		2273	}
1659		2274
1660	$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	]
1661	}	2312	}
1662		2313
1663	=item cf::map::unique_maps	2314	=item cf::map::unique_maps
1664		2315
1665	Returns an arrayref of paths of all shared maps that have	2316	Returns an arrayref of paths of all shared maps that have
1666	instantiated unique items. May block.	2317	instantiated unique items. May block.
1667		2318
1668	=cut	2319	=cut
1669		2320
1670	sub unique_maps() {	2321	sub unique_maps() {
1671	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2322	[
1672	or return;	2323	map {
1673
1674	my @paths;
1675
1676	for (@$files) {
1677	utf8::decode $_;	2324	utf8::decode $_;
1678	next if /\.pst$/;	2325	/\.map$/
1679	next unless /^$PATH_SEP/o;	2326	? normalise $_
1680		2327	: ()
1681	push @paths, cf::map::normalise $_;	2328	} @{ aio_readdir $UNIQUEDIR or [] }
1682	}	2329	]
1683
1684	\@paths
1685	}	2330	}
1686		2331
1687	package cf;	2332	package cf;
1688		2333
1689	=back	2334	=back
…		…
1707	map { $_, inv_recursive_ $_->inv } @_	2352	map { $_, inv_recursive_ $_->inv } @_
1708	}	2353	}
1709		2354
1710	sub inv_recursive {	2355	sub inv_recursive {
1711	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	}
1712	}	2385	}
1713		2386
1714	package cf;	2387	package cf;
1715		2388
1716	=back	2389	=back
…		…
1735		2408
1736	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2409	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1737		2410
1738	if ($self->{record_replies}) {	2411	if ($self->{record_replies}) {
1739	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2412	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2413
1740	} 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 {
1741	$msg = $npc->name . " says: $msg" if $npc;	2422	$msg = $npc->name . " says: $msg" if $npc;
1742	$self->message ($msg, $flags);	2423	$self->message ($msg, $flags);
		2424	}
1743	}	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 (@_);
1744	}	2436	}
1745		2437
1746	=item $player_object->may ("access")	2438	=item $player_object->may ("access")
1747		2439
1748	Returns wether the given player is authorized to access resource "access"	2440	Returns wether the given player is authorized to access resource "access"
…		…
1795	$self->deactivate_recursive;	2487	$self->deactivate_recursive;
1796		2488
1797	return if UNIVERSAL::isa $self->map, "ext::map_link";	2489	return if UNIVERSAL::isa $self->map, "ext::map_link";
1798		2490
1799	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2491	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1800	if $self->map;	2492	if $self->map && $self->map->{path} ne "{link}";
1801		2493
1802	$self->enter_map ($LINK_MAP || link_map, 10, 10);	2494	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1803	}	2495	}
1804		2496
1805	sub cf::object::player::leave_link {	2497	sub cf::object::player::leave_link {
1806	my ($self, $map, $x, $y) = @_;	2498	my ($self, $map, $x, $y) = @_;
		2499
		2500	return unless $self->contr->active;
1807		2501
1808	my $link_pos = delete $self->{_link_pos};	2502	my $link_pos = delete $self->{_link_pos};
1809		2503
1810	unless ($map) {	2504	unless ($map) {
1811	# restore original map position	2505	# restore original map position
…		…
1825	# use -1 or undef as default coordinates, not 0, 0	2519	# use -1 or undef as default coordinates, not 0, 0
1826	($x, $y) = ($map->enter_x, $map->enter_y)	2520	($x, $y) = ($map->enter_x, $map->enter_y)
1827	if $x <=0 && $y <= 0;	2521	if $x <=0 && $y <= 0;
1828		2522
1829	$map->load;	2523	$map->load;
1830	$map->load_diag;	2524	$map->load_neighbours;
1831		2525
1832	return unless $self->contr->active;	2526	return unless $self->contr->active;
1833	$self->activate_recursive;	2527	$self->activate_recursive;
1834		2528
1835	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext	2529	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1836	$self->enter_map ($map, $x, $y);	2530	$self->enter_map ($map, $x, $y);
1837	}	2531	}
1838		2532
1839	cf::player->attach (	2533	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1840	on_logout => sub {
1841	my ($pl) = @_;
1842		2534
1843	# abort map switching before logout	2535	Moves the player to the given map-path and coordinates by first freezing
1844	if ($pl->ob->{_link_pos}) {	2536	her, loading and preparing them map, calling the provided $check callback
1845	cf::sync_job {	2537	that has to return the map if sucecssful, and then unfreezes the player on
1846	$pl->ob->leave_link	2538	the new (success) or old (failed) map position. In either case, $done will
1847	};	2539	be called at the end of this process.
1848	}
1849	},
1850	on_login => sub {
1851	my ($pl) = @_;
1852		2540
1853	# try to abort aborted map switching on player login :)
1854	# should happen only on crashes
1855	if ($pl->ob->{_link_pos}) {
1856	$pl->ob->enter_link;
1857	(async {
1858	$pl->ob->reply (undef,
1859	"There was an internal problem at your last logout, "
1860	. "the server will try to bring you to your intended destination in a second.",
1861	cf::NDI_RED);
1862	# we need this sleep as the login has a concurrent enter_exit running
1863	# and this sleep increases chances of the player not ending up in scorn
1864	Coro::Timer::sleep 1;
1865	$pl->ob->leave_link;
1866	})->prio (2);
1867	}
1868	},
1869	);
1870
1871	=item $player_object->goto ($path, $x, $y)
1872
1873	=cut	2541	=cut
		2542
		2543	our $GOTOGEN;
1874		2544
1875	sub cf::object::player::goto {	2545	sub cf::object::player::goto {
1876	my ($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;
1877		2550
1878	$self->enter_link;	2551	$self->enter_link;
1879		2552
1880	(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
1881	my $map = eval {	2575	my $map = eval {
1882	my $map = cf::map::find $path;	2576	my $map = defined $path ? cf::map::find $path : undef;
		2577
		2578	if ($map) {
1883	$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
1884	$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 $@;
1885	} or	2591	}
1886	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1887		2592
		2593	if ($gen == $self->{_goto_generation}) {
		2594	delete $self->{_goto_generation};
1888	$self->leave_link ($map, $x, $y);	2595	$self->leave_link ($map, $x, $y);
		2596	}
		2597
		2598	$done->() if $done;
1889	})->prio (1);	2599	})->prio (1);
1890	}	2600	}
1891		2601
1892	=item $player_object->enter_exit ($exit_object)	2602	=item $player_object->enter_exit ($exit_object)
1893		2603
…		…
1930	$rmp->{origin_y} = $exit->y;	2640	$rmp->{origin_y} = $exit->y;
1931	}	2641	}
1932		2642
1933	$rmp->{random_seed} ||= $exit->random_seed;	2643	$rmp->{random_seed} ||= $exit->random_seed;
1934		2644
1935	my $data = cf::to_json $rmp;	2645	my $data = cf::encode_json $rmp;
1936	my $md5 = Digest::MD5::md5_hex $data;	2646	my $md5 = Digest::MD5::md5_hex $data;
1937	my $meta = "$cf::RANDOM_MAPS/$md5.meta";	2647	my $meta = "$RANDOMDIR/$md5.meta";
1938		2648
1939	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {	2649	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1940	aio_write $fh, 0, (length $data), $data, 0;	2650	aio_write $fh, 0, (length $data), $data, 0;
1941	undef $fh;	2651	undef $fh;
1942	aio_rename "$meta~", $meta;	2652	aio_rename "$meta~", $meta;
…		…
1951		2661
1952	return unless $self->type == cf::PLAYER;	2662	return unless $self->type == cf::PLAYER;
1953		2663
1954	if ($exit->slaying eq "/!") {	2664	if ($exit->slaying eq "/!") {
1955	#TODO: this should de-fi-ni-te-ly not be a sync-job	2665	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2666	# the problem is that $exit might not survive long enough
		2667	# so it needs to be done right now, right here
1956	cf::sync_job { prepare_random_map $exit };	2668	cf::sync_job { prepare_random_map $exit };
1957	}	2669	}
1958		2670
1959	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;	2671	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960	my $hp = $exit->stats->hp;	2672	my $hp = $exit->stats->hp;
1961	my $sp = $exit->stats->sp;	2673	my $sp = $exit->stats->sp;
1962		2674
1963	$self->enter_link;	2675	$self->enter_link;
1964		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
1965	(async {	2681	(async {
		2682	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2683
1966	$self->deactivate_recursive; # just to be sure	2684	$self->deactivate_recursive; # just to be sure
1967	unless (eval {	2685	unless (eval {
1968	$self->goto ($slaying, $hp, $sp);	2686	$self->goto ($slaying, $hp, $sp);
1969		2687
1970	1;	2688	1;
1971	}) {	2689	}) {
1972	$self->message ("Something went wrong deep within the crossfire server. "	2690	$self->message ("Something went wrong deep within the crossfire server. "
1973	. "I'll try to bring you back to the map you were before. "	2691	. "I'll try to bring you back to the map you were before. "
1974	. "Please report this to the dungeon master!",	2692	. "Please report this to the dungeon master!",
1975	cf::NDI_UNIQUE | cf::NDI_RED);	2693	cf::NDI_UNIQUE | cf::NDI_RED);
1976		2694
1977	warn "ERROR in enter_exit: $@";	2695	warn "ERROR in enter_exit: $@";
1978	$self->leave_link;	2696	$self->leave_link;
1979	}	2697	}
1980	})->prio (1);	2698	})->prio (1);
…		…
1993		2711
1994	sub cf::client::send_drawinfo {	2712	sub cf::client::send_drawinfo {
1995	my ($self, $text, $flags) = @_;	2713	my ($self, $text, $flags) = @_;
1996		2714
1997	utf8::encode $text;	2715	utf8::encode $text;
1998	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2716	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1999	}	2717	}
2000		2718
		2719	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2720
		2721	Send a drawinfo or msg packet to the client, formatting the msg for the
		2722	client if neccessary. C<$type> should be a string identifying the type of
		2723	the message, with C<log> being the default. If C<$color> is negative, suppress
		2724	the message unless the client supports the msg packet.
		2725
		2726	=cut
		2727
		2728	# non-persistent channels (usually the info channel)
		2729	our %CHANNEL = (
		2730	"c/identify" => {
		2731	id => "infobox",
		2732	title => "Identify",
		2733	reply => undef,
		2734	tooltip => "Items recently identified",
		2735	},
		2736	"c/examine" => {
		2737	id => "infobox",
		2738	title => "Examine",
		2739	reply => undef,
		2740	tooltip => "Signs and other items you examined",
		2741	},
		2742	"c/book" => {
		2743	id => "infobox",
		2744	title => "Book",
		2745	reply => undef,
		2746	tooltip => "The contents of a note or book",
		2747	},
		2748	"c/lookat" => {
		2749	id => "infobox",
		2750	title => "Look",
		2751	reply => undef,
		2752	tooltip => "What you saw there",
		2753	},
		2754	"c/who" => {
		2755	id => "infobox",
		2756	title => "Players",
		2757	reply => undef,
		2758	tooltip => "Shows players who are currently online",
		2759	},
		2760	"c/body" => {
		2761	id => "infobox",
		2762	title => "Body Parts",
		2763	reply => undef,
		2764	tooltip => "Shows which body parts you posess and are available",
		2765	},
		2766	"c/uptime" => {
		2767	id => "infobox",
		2768	title => "Uptime",
		2769	reply => undef,
		2770	tooltip => "How long the server has been running since last restart",
		2771	},
		2772	"c/mapinfo" => {
		2773	id => "infobox",
		2774	title => "Map Info",
		2775	reply => undef,
		2776	tooltip => "Information related to the maps",
		2777	},
		2778	);
		2779
		2780	sub cf::client::send_msg {
		2781	my ($self, $channel, $msg, $color, @extra) = @_;
		2782
		2783	$msg = $self->pl->expand_cfpod ($msg);
		2784
		2785	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2786
		2787	# check predefined channels, for the benefit of C
		2788	if ($CHANNEL{$channel}) {
		2789	$channel = $CHANNEL{$channel};
		2790
		2791	$self->ext_msg (channel_info => $channel)
		2792	if $self->can_msg;
		2793
		2794	$channel = $channel->{id};
		2795
		2796	} elsif (ref $channel) {
		2797	# send meta info to client, if not yet sent
		2798	unless (exists $self->{channel}{$channel->{id}}) {
		2799	$self->{channel}{$channel->{id}} = $channel;
		2800	$self->ext_msg (channel_info => $channel)
		2801	if $self->can_msg;
		2802	}
		2803
		2804	$channel = $channel->{id};
		2805	}
		2806
		2807	return unless @extra || length $msg;
		2808
		2809	if ($self->can_msg) {
		2810	# default colour, mask it out
		2811	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2812	if $color & cf::NDI_DEF;
		2813
		2814	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2815	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2816	} else {
		2817	if ($color >= 0) {
		2818	# replace some tags by gcfclient-compatible ones
		2819	for ($msg) {
		2820	1 while
		2821	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2822	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2823	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2824	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2825	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2826	}
		2827
		2828	$color &= cf::NDI_COLOR_MASK;
		2829
		2830	utf8::encode $msg;
		2831
		2832	if (0 && $msg =~ /\[/) {
		2833	# COMMAND/INFO
		2834	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2835	} else {
		2836	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2837	$self->send_packet ("drawinfo $color $msg")
		2838	}
		2839	}
		2840	}
		2841	}
		2842
		2843	=item $client->ext_msg ($type, @msg)
		2844
		2845	Sends an ext event to the client.
		2846
		2847	=cut
		2848
		2849	sub cf::client::ext_msg($$@) {
		2850	my ($self, $type, @msg) = @_;
		2851
		2852	if ($self->extcmd == 2) {
		2853	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2854	} elsif ($self->extcmd == 1) { # TODO: remove
		2855	push @msg, msgtype => "event_$type";
		2856	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2857	}
		2858	}
		2859
		2860	=item $client->ext_reply ($msgid, @msg)
		2861
		2862	Sends an ext reply to the client.
		2863
		2864	=cut
		2865
		2866	sub cf::client::ext_reply($$@) {
		2867	my ($self, $id, @msg) = @_;
		2868
		2869	if ($self->extcmd == 2) {
		2870	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2871	} elsif ($self->extcmd == 1) {
		2872	#TODO: version 1, remove
		2873	unshift @msg, msgtype => "reply", msgid => $id;
		2874	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2875	}
		2876	}
2001		2877
2002	=item $success = $client->query ($flags, "text", \&cb)	2878	=item $success = $client->query ($flags, "text", \&cb)
2003		2879
2004	Queues a query to the client, calling the given callback with	2880	Queues a query to the client, calling the given callback with
2005	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>,
2006	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>.
2007		2883
2008	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
2009	reliable at some point in the future.	2885	become reliable at some point in the future.
2010		2886
2011	=cut	2887	=cut
2012		2888
2013	sub cf::client::query {	2889	sub cf::client::query {
2014	my ($self, $flags, $text, $cb) = @_;	2890	my ($self, $flags, $text, $cb) = @_;
…		…
2022	utf8::encode $text;	2898	utf8::encode $text;
2023	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2899	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
2024		2900
2025	$self->send_packet ($self->{query_queue}[0][0])	2901	$self->send_packet ($self->{query_queue}[0][0])
2026	if @{ $self->{query_queue} } == 1;	2902	if @{ $self->{query_queue} } == 1;
		2903
		2904	1
2027	}	2905	}
2028		2906
2029	cf::client->attach (	2907	cf::client->attach (
		2908	on_connect => sub {
		2909	my ($ns) = @_;
		2910
		2911	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2912	},
2030	on_reply => sub {	2913	on_reply => sub {
2031	my ($ns, $msg) = @_;	2914	my ($ns, $msg) = @_;
2032		2915
2033	# this weird shuffling is so that direct followup queries	2916	# this weird shuffling is so that direct followup queries
2034	# get handled first	2917	# get handled first
…		…
2046	} else {	2929	} else {
2047	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2930	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
2048	}	2931	}
2049	}	2932	}
2050	},	2933	},
		2934	on_exticmd => sub {
		2935	my ($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	},
2051	);	2960	);
2052		2961
2053	=item $client->async (\&cb)	2962	=item $client->async (\&cb)
2054		2963
2055	Create a new coroutine, running the specified callback. The coroutine will	2964	Create a new coroutine, running the specified callback. The coroutine will
…		…
2096	our $safe = new Safe "safe";	3005	our $safe = new Safe "safe";
2097	our $safe_hole = new Safe::Hole;	3006	our $safe_hole = new Safe::Hole;
2098		3007
2099	$SIG{FPE} = 'IGNORE';	3008	$SIG{FPE} = 'IGNORE';
2100		3009
2101	$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	));
2102		3015
2103	# here we export the classes and methods available to script code	3016	# here we export the classes and methods available to script code
2104		3017
2105	=pod	3018	=pod
2106		3019
2107	The following fucntions and emthods are available within a safe environment:	3020	The following functions and methods are available within a safe environment:
2108		3021
2109	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
2110	cf::object::player player	3026	cf::object::player
2111	cf::player peaceful	3027	player
2112	cf::map trigger	3028
		3029	cf::player
		3030	peaceful
		3031
		3032	cf::map
		3033	trigger
2113		3034
2114	=cut	3035	=cut
2115		3036
2116	for (	3037	for (
2117	["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)],
2118	["cf::object::player" => qw(player)],	3041	["cf::object::player" => qw(player)],
2119	["cf::player" => qw(peaceful)],	3042	["cf::player" => qw(peaceful)],
2120	["cf::map" => qw(trigger)],	3043	["cf::map" => qw(trigger)],
2121	) {	3044	) {
2122	no strict 'refs';	3045	no strict 'refs';
…		…
2193	=back	3116	=back
2194		3117
2195	=cut	3118	=cut
2196		3119
2197	#############################################################################	3120	#############################################################################
2198
2199	=head2 EXTENSION DATABASE SUPPORT
2200
2201	Crossfire maintains a very simple database for extension use. It can
2202	currently store anything that can be serialised using Storable, which
2203	excludes objects.
2204
2205	The parameter C<$family> should best start with the name of the extension
2206	using it, it should be unique.
2207
2208	=over 4
2209
2210	=item $value = cf::db_get $family => $key
2211
2212	Returns a single value from the database.
2213
2214	=item cf::db_put $family => $key => $value
2215
2216	Stores the given C<$value> in the family.
2217
2218	=cut
2219
2220	our $DB;
2221
2222	sub db_init {
2223	unless ($DB) {
2224	$DB = BDB::db_create $DB_ENV;
2225
2226	cf::sync_job {
2227	eval {
2228	$DB->set_flags (BDB::CHKSUM);
2229
2230	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232	cf::cleanup "db_open(db): $!" if $!;
2233	};
2234	cf::cleanup "db_open(db): $@" if $@;
2235	};
2236
2237	my $path = cf::localdir . "/database.pst";
2238	if (stat $path) {
2239	cf::sync_job {
2240	my $pst = Storable::retrieve $path;
2241
2242	cf::db_put (board => data => $pst->{board});
2243	cf::db_put (guildrules => data => $pst->{guildrules});
2244	cf::db_put (rent => balance => $pst->{rent}{balance});
2245	BDB::db_env_txn_checkpoint $DB_ENV;
2246
2247	unlink $path;
2248	};
2249	}
2250	}
2251	}
2252
2253	sub db_get($$) {
2254	my $key = "$_[0]/$_[1]";
2255
2256	cf::sync_job {
2257	BDB::db_get $DB, undef, $key, my $data;
2258
2259	$! ? ()
2260	: Compress::LZF::sthaw $data
2261	}
2262	}
2263
2264	sub db_put($$$) {
2265	BDB::dbreq_pri 4;
2266	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2267	}
2268
2269	#############################################################################
2270	# the server's init and main functions	3121	# the server's init and main functions
2271		3122
2272	sub load_faces {	3123	sub load_facedata($) {
2273	my $path = sprintf "%s/faces", cf::datadir;	3124	my ($path) = @_;
2274		3125
		3126	# HACK to clear player env face cache, we need some signal framework
		3127	# for this (global event?)
		3128	%ext::player_env::MUSIC_FACE_CACHE = ();
		3129
		3130	my $enc = JSON::XS->new->utf8->canonical->relaxed;
		3131
2275	warn "loading faces from $path\n";	3132	warn "loading facedata from $path\n";
2276		3133
2277	my $faces;	3134	my $facedata;
2278	0 < aio_load $path, $faces	3135	0 < aio_load $path, $facedata
2279	or die "$path: $!";	3136	or die "$path: $!";
2280		3137
2281	Coro::cede;
2282	$faces = Storable::thaw $faces;	3138	$facedata = Coro::Storable::thaw $facedata;
2283	Coro::cede;
2284		3139
		3140	$facedata->{version} == 2
		3141	or cf::cleanup "$path: version mismatch, cannot proceed.";
		3142
		3143	# patch in the exptable
		3144	$facedata->{resource}{"res/exp_table"} = {
		3145	type => FT_RSRC,
		3146	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
		3147	};
		3148	cf::cede_to_tick;
		3149
		3150	{
		3151	my $faces = $facedata->{faceinfo};
		3152
2285	while (my ($face, $info) = each %$faces) {	3153	while (my ($face, $info) = each %$faces) {
2286	my $idx = (cf::face::find $face) || cf::face::alloc $face;	3154	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287	cf::face::set $idx, $info->{visibility}, $info->{magicmap};	3155
		3156	cf::face::set_visibility $idx, $info->{visibility};
		3157	cf::face::set_magicmap $idx, $info->{magicmap};
2288	cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};	3158	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
2289	Coro::cede;	3159	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
		3160
		3161	cf::cede_to_tick;
		3162	}
		3163
		3164	while (my ($face, $info) = each %$faces) {
		3165	next unless $info->{smooth};
		3166
		3167	my $idx = cf::face::find $face
		3168	or next;
		3169
		3170	if (my $smooth = cf::face::find $info->{smooth}) {
		3171	cf::face::set_smooth $idx, $smooth;
		3172	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3173	} else {
		3174	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3175	}
		3176
		3177	cf::cede_to_tick;
		3178	}
		3179	}
		3180
		3181	{
		3182	my $anims = $facedata->{animinfo};
		3183
		3184	while (my ($anim, $info) = each %$anims) {
		3185	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3186	cf::cede_to_tick;
		3187	}
		3188
		3189	cf::anim::invalidate_all; # d'oh
		3190	}
		3191
		3192	{
		3193	# TODO: for gcfclient pleasure, we should give resources
		3194	# that gcfclient doesn't grok a >10000 face index.
		3195	my $res = $facedata->{resource};
		3196
		3197	while (my ($name, $info) = each %$res) {
		3198	if (defined $info->{type}) {
		3199	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3200	my $data;
		3201
		3202	if ($info->{type} & 1) {
		3203	# prepend meta info
		3204
		3205	my $meta = $enc->encode ({
		3206	name => $name,
		3207	%{ $info->{meta} || {} },
		3208	});
		3209
		3210	$data = pack "(w/a*)*", $meta, $info->{data};
		3211	} else {
		3212	$data = $info->{data};
		3213	}
		3214
		3215	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3216	cf::face::set_type $idx, $info->{type};
		3217	} else {
		3218	$RESOURCE{$name} = $info;
		3219	}
		3220
		3221	cf::cede_to_tick;
		3222	}
		3223
		3224	if (my $soundconf = delete $res->{"res/sound.conf"}) {
		3225	$soundconf = $enc->decode (delete $soundconf->{data});
		3226
		3227	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3228	my $sound = $soundconf->{compat}[$_]
		3229	or next;
		3230
		3231	my $face = cf::face::find "sound/$sound->[1]";
		3232	cf::sound::set $sound->[0] => $face;
		3233	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3234	}
		3235
		3236	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3237	my $face = cf::face::find "sound/$v";
		3238	cf::sound::set $k => $face;
		3239	}
		3240	}
2290	}	3241	}
2291		3242
2292	1	3243	1
2293	}	3244	}
2294		3245
		3246	register_exticmd fx_want => sub {
		3247	my ($ns, $want) = @_;
		3248
		3249	while (my ($k, $v) = each %$want) {
		3250	$ns->fx_want ($k, $v);
		3251	}
		3252	};
		3253
		3254	sub reload_regions {
		3255	# HACK to clear player env face cache, we need some signal framework
		3256	# for this (global event?)
		3257	%ext::player_env::MUSIC_FACE_CACHE = ();
		3258
		3259	load_resource_file "$MAPDIR/regions"
		3260	or die "unable to load regions file\n";
		3261
		3262	for (cf::region::list) {
		3263	$_->{match} = qr/$_->{match}/
		3264	if exists $_->{match};
		3265	}
		3266	}
		3267
		3268	sub reload_facedata {
		3269	load_facedata "$DATADIR/facedata"
		3270	or die "unable to load facedata\n";
		3271	}
		3272
		3273	sub reload_archetypes {
		3274	load_resource_file "$DATADIR/archetypes"
		3275	or die "unable to load archetypes\n";
		3276	#d# NEED to laod twice to resolve forward references
		3277	# this really needs to be done in an extra post-pass
		3278	# (which needs to be synchronous, so solve it differently)
		3279	load_resource_file "$DATADIR/archetypes"
		3280	or die "unable to load archetypes\n";
		3281	}
		3282
		3283	sub reload_treasures {
		3284	load_resource_file "$DATADIR/treasures"
		3285	or die "unable to load treasurelists\n";
		3286	}
		3287
2295	sub reload_resources {	3288	sub reload_resources {
2296	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir	3289	warn "reloading resource files...\n";
2297	or die "unable to load regions file\n";#d#	3290
		3291	reload_regions;
2298	load_faces	3292	reload_facedata;
2299	or die "unable to load faces\n";#d#	3293	#reload_archetypes;#d#
		3294	reload_archetypes;
		3295	reload_treasures;
		3296
		3297	warn "finished reloading resource files\n";
2300	}	3298	}
2301		3299
2302	sub init {	3300	sub init {
2303	reload_resources;	3301	reload_resources;
2304	}	3302	}
2305		3303
2306	sub cfg_load {	3304	sub reload_config {
2307	open my $fh, "<:utf8", cf::confdir . "/config"	3305	open my $fh, "<:utf8", "$CONFDIR/config"
2308	or return;	3306	or return;
2309		3307
2310	local $/;	3308	local $/;
2311	*CFG = YAML::Syck::Load <$fh>;	3309	*CFG = YAML::Syck::Load <$fh>;
2312		3310
…		…
2327	sub main {	3325	sub main {
2328	# we must not ever block the main coroutine	3326	# we must not ever block the main coroutine
2329	local $Coro::idle = sub {	3327	local $Coro::idle = sub {
2330	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3328	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2331	(async {	3329	(async {
2332	Event::one_event;	3330	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3331	EV::loop EV::LOOP_ONESHOT;
2333	})->prio (Coro::PRIO_MAX);	3332	})->prio (Coro::PRIO_MAX);
2334	};	3333	};
2335		3334
2336	cfg_load;	3335	reload_config;
2337	db_init;	3336	db_init;
2338	load_extensions;	3337	load_extensions;
2339		3338
2340	$TICK_WATCHER->start;	3339	$TICK_WATCHER->start;
		3340	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2341	Event::loop;	3341	EV::loop;
2342	}	3342	}
2343		3343
2344	#############################################################################	3344	#############################################################################
2345	# initialisation and cleanup	3345	# initialisation and cleanup
2346		3346
2347	# install some emergency cleanup handlers	3347	# install some emergency cleanup handlers
2348	BEGIN {	3348	BEGIN {
		3349	our %SIGWATCHER = ();
2349	for my $signal (qw(INT HUP TERM)) {	3350	for my $signal (qw(INT HUP TERM)) {
2350	Event->signal (	3351	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2351	reentrant => 0,
2352	data => WF_AUTOCANCEL,
2353	signal => $signal,
2354	prio => 0,
2355	cb => sub {
2356	cf::cleanup "SIG$signal";	3352	cf::cleanup "SIG$signal";
2357	},
2358	);	3353	};
		3354	}
		3355	}
		3356
		3357	sub write_runtime {
		3358	my $runtime = "$LOCALDIR/runtime";
		3359
		3360	# first touch the runtime file to show we are still running:
		3361	# the fsync below can take a very very long time.
		3362
		3363	IO::AIO::aio_utime $runtime, undef, undef;
		3364
		3365	my $guard = cf::lock_acquire "write_runtime";
		3366
		3367	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3368	or return;
		3369
		3370	my $value = $cf::RUNTIME + 90 + 10;
		3371	# 10 is the runtime save interval, for a monotonic clock
		3372	# 60 allows for the watchdog to kill the server.
		3373
		3374	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3375	and return;
		3376
		3377	# always fsync - this file is important
		3378	aio_fsync $fh
		3379	and return;
		3380
		3381	# touch it again to show we are up-to-date
		3382	aio_utime $fh, undef, undef;
		3383
		3384	close $fh
		3385	or return;
		3386
		3387	aio_rename "$runtime~", $runtime
		3388	and return;
		3389
		3390	warn "runtime file written.\n";
		3391
2359	}	3392	1
2360	}	3393	}
2361		3394
2362	sub emergency_save() {	3395	sub emergency_save() {
2363	my $freeze_guard = cf::freeze_mainloop;	3396	my $freeze_guard = cf::freeze_mainloop;
2364		3397
…		…
2370	# and maps saved/destroyed asynchronously.	3403	# and maps saved/destroyed asynchronously.
2371	warn "begin emergency player save\n";	3404	warn "begin emergency player save\n";
2372	for my $login (keys %cf::PLAYER) {	3405	for my $login (keys %cf::PLAYER) {
2373	my $pl = $cf::PLAYER{$login} or next;	3406	my $pl = $cf::PLAYER{$login} or next;
2374	$pl->valid or next;	3407	$pl->valid or next;
		3408	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2375	$pl->save;	3409	$pl->save;
2376	}	3410	}
2377	warn "end emergency player save\n";	3411	warn "end emergency player save\n";
2378		3412
2379	warn "begin emergency map save\n";	3413	warn "begin emergency map save\n";
…		…
2397		3431
2398	warn Carp::longmess "post_cleanup backtrace"	3432	warn Carp::longmess "post_cleanup backtrace"
2399	if $make_core;	3433	if $make_core;
2400	}	3434	}
2401		3435
2402	sub reload() {	3436	sub do_reload_perl() {
2403	# can/must only be called in main	3437	# can/must only be called in main
2404	if ($Coro::current != $Coro::main) {	3438	if ($Coro::current != $Coro::main) {
2405	warn "can only reload from main coroutine";	3439	warn "can only reload from main coroutine";
2406	return;	3440	return;
2407	}	3441	}
…		…
2418	warn "syncing database to disk";	3452	warn "syncing database to disk";
2419	BDB::db_env_txn_checkpoint $DB_ENV;	3453	BDB::db_env_txn_checkpoint $DB_ENV;
2420		3454
2421	# if anything goes wrong in here, we should simply crash as we already saved	3455	# if anything goes wrong in here, we should simply crash as we already saved
2422		3456
2423	warn "cancelling all WF_AUTOCANCEL watchers";
2424	for (Event::all_watchers) {
2425	$_->cancel if $_->data & WF_AUTOCANCEL;
2426	}
2427
2428	warn "flushing outstanding aio requests";	3457	warn "flushing outstanding aio requests";
2429	for (;;) {	3458	for (;;) {
2430	BDB::flush;	3459	BDB::flush;
2431	IO::AIO::flush;	3460	IO::AIO::flush;
2432	Coro::cede;	3461	Coro::cede_notself;
2433	last unless IO::AIO::nreqs || BDB::nreqs;	3462	last unless IO::AIO::nreqs || BDB::nreqs;
2434	warn "iterate...";	3463	warn "iterate...";
2435	}	3464	}
2436		3465
2437	++$RELOAD;	3466	++$RELOAD;
…		…
2441	%EXT_CORO = ();	3470	%EXT_CORO = ();
2442		3471
2443	warn "removing commands";	3472	warn "removing commands";
2444	%COMMAND = ();	3473	%COMMAND = ();
2445		3474
2446	warn "removing ext commands";	3475	warn "removing ext/exti commands";
2447	%EXTCMD = ();	3476	%EXTCMD = ();
		3477	%EXTICMD = ();
2448		3478
2449	warn "unloading/nuking all extensions";	3479	warn "unloading/nuking all extensions";
2450	for my $pkg (@EXTS) {	3480	for my $pkg (@EXTS) {
2451	warn "... unloading $pkg";	3481	warn "... unloading $pkg";
2452		3482
…		…
2482	Symbol::delete_package "safe::$_"	3512	Symbol::delete_package "safe::$_"
2483	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3513	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2484		3514
2485	warn "unloading cf.pm \"a bit\"";	3515	warn "unloading cf.pm \"a bit\"";
2486	delete $INC{"cf.pm"};	3516	delete $INC{"cf.pm"};
		3517	delete $INC{"cf/pod.pm"};
2487		3518
2488	# don't, removes xs symbols, too,	3519	# don't, removes xs symbols, too,
2489	# and global variables created in xs	3520	# and global variables created in xs
2490	#Symbol::delete_package __PACKAGE__;	3521	#Symbol::delete_package __PACKAGE__;
2491		3522
…		…
2494	warn "reloading cf.pm";	3525	warn "reloading cf.pm";
2495	require cf;	3526	require cf;
2496	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3527	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2497		3528
2498	warn "loading config and database again";	3529	warn "loading config and database again";
2499	cf::cfg_load;	3530	cf::reload_config;
2500		3531
2501	warn "loading extensions";	3532	warn "loading extensions";
2502	cf::load_extensions;	3533	cf::load_extensions;
2503		3534
2504	warn "reattaching attachments to objects/players";	3535	warn "reattaching attachments to objects/players";
…		…
2506	warn "reattaching attachments to maps";	3537	warn "reattaching attachments to maps";
2507	reattach $_ for values %MAP;	3538	reattach $_ for values %MAP;
2508	warn "reattaching attachments to players";	3539	warn "reattaching attachments to players";
2509	reattach $_ for values %PLAYER;	3540	reattach $_ for values %PLAYER;
2510		3541
2511	warn "loading reloadable resources";
2512	reload_resources;
2513
2514	warn "leaving sync_job";	3542	warn "leaving sync_job";
2515		3543
2516	1	3544	1
2517	} or do {	3545	} or do {
2518	warn $@;	3546	warn $@;
…		…
2523	warn "reloaded";	3551	warn "reloaded";
2524	};	3552	};
2525		3553
2526	our $RELOAD_WATCHER; # used only during reload	3554	our $RELOAD_WATCHER; # used only during reload
2527		3555
		3556	sub reload_perl() {
		3557	# doing reload synchronously and two reloads happen back-to-back,
		3558	# coro crashes during coro_state_free->destroy here.
		3559
		3560	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
		3561	undef $RELOAD_WATCHER;
		3562	do_reload_perl;
		3563	};
		3564	}
		3565
2528	register_command "reload" => sub {	3566	register_command "reload" => sub {
2529	my ($who, $arg) = @_;	3567	my ($who, $arg) = @_;
2530		3568
2531	if ($who->flag (FLAG_WIZ)) {	3569	if ($who->flag (FLAG_WIZ)) {
2532	$who->message ("reloading server.");	3570	$who->message ("reloading server.");
2533		3571	async {
2534	# doing reload synchronously and two reloads happen back-to-back,	3572	$Coro::current->{desc} = "perl_reload";
2535	# coro crashes during coro_state_free->destroy here.
2536
2537	$RELOAD_WATCHER ||= Event->timer (
2538	reentrant => 0,
2539	after => 0,
2540	data => WF_AUTOCANCEL,
2541	cb => sub {
2542	reload;	3573	reload_perl;
2543	undef $RELOAD_WATCHER;
2544	},
2545	);	3574	};
2546	}	3575	}
2547	};	3576	};
2548		3577
2549	unshift @INC, $LIBDIR;	3578	unshift @INC, $LIBDIR;
2550		3579
2551	my $bug_warning = 0;	3580	my $bug_warning = 0;
2552		3581
2553	$TICK_WATCHER = Event->timer (	3582	our @WAIT_FOR_TICK;
2554	reentrant => 0,	3583	our @WAIT_FOR_TICK_BEGIN;
2555	parked => 1,	3584
2556	prio => 0,	3585	sub wait_for_tick {
2557	at => $NEXT_TICK || $TICK,	3586	return unless $TICK_WATCHER->is_active;
2558	data => WF_AUTOCANCEL,	3587	return if $Coro::current == $Coro::main;
2559	cb => sub {	3588
		3589	my $signal = new Coro::Signal;
		3590	push @WAIT_FOR_TICK, $signal;
		3591	$signal->wait;
		3592	}
		3593
		3594	sub wait_for_tick_begin {
		3595	return unless $TICK_WATCHER->is_active;
		3596	return if $Coro::current == $Coro::main;
		3597
		3598	my $signal = new Coro::Signal;
		3599	push @WAIT_FOR_TICK_BEGIN, $signal;
		3600	$signal->wait;
		3601	}
		3602
		3603	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
2560	if ($Coro::current != $Coro::main) {	3604	if ($Coro::current != $Coro::main) {
2561	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"	3605	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2562	unless ++$bug_warning > 10;	3606	unless ++$bug_warning > 10;
2563	return;	3607	return;
2564	}	3608	}
2565		3609
2566	$NOW = Event::time;	3610	$NOW = $tick_start = EV::now;
2567		3611
2568	cf::server_tick; # one server iteration	3612	cf::server_tick; # one server iteration
		3613
2569	$RUNTIME += $TICK;	3614	$RUNTIME += $TICK;
2570	$NEXT_TICK += $TICK;	3615	$NEXT_TICK = $_[0]->at;
2571		3616
2572	if ($NOW >= $NEXT_RUNTIME_WRITE) {	3617	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573	$NEXT_RUNTIME_WRITE = $NOW + 10;	3618	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2574	Coro::async_pool {	3619	Coro::async_pool {
		3620	$Coro::current->{desc} = "runtime saver";
2575	write_runtime	3621	write_runtime
2576	or warn "ERROR: unable to write runtime file: $!";	3622	or warn "ERROR: unable to write runtime file: $!";
2577	};
2578	}	3623	};
2579
2580	$WAIT_FOR_TICK->broadcast;
2581	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583	# my $AFTER = Event::time;
2584	# warn $AFTER - $NOW;#d#
2585
2586	# if we are delayed by four ticks or more, skip them all
2587	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2588
2589	$TICK_WATCHER->at ($NEXT_TICK);
2590	$TICK_WATCHER->start;
2591	},	3624	}
2592	);	3625
		3626	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3627	$sig->send;
		3628	}
		3629	while (my $sig = shift @WAIT_FOR_TICK) {
		3630	$sig->send;
		3631	}
		3632
		3633	$LOAD = ($NOW - $tick_start) / $TICK;
		3634	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3635
		3636	_post_tick;
		3637	};
		3638	$TICK_WATCHER->priority (EV::MAXPRI);
2593		3639
2594	{	3640	{
2595	BDB::max_poll_time $TICK * 0.1;	3641	# configure BDB
2596	$BDB_POLL_WATCHER = Event->io (	3642
2597	reentrant => 0,
2598	fd => BDB::poll_fileno,
2599	poll => 'r',
2600	prio => 0,
2601	data => WF_AUTOCANCEL,
2602	cb => \&BDB::poll_cb,
2603	);
2604	BDB::min_parallel 8;	3643	BDB::min_parallel 8;
2605		3644	BDB::max_poll_reqs $TICK * 0.1;
2606	BDB::set_sync_prepare {	3645	$Coro::BDB::WATCHER->priority (1);
2607	my $status;
2608	my $current = $Coro::current;
2609	(
2610	sub {
2611	$status = $!;
2612	$current->ready; undef $current;
2613	},
2614	sub {
2615	Coro::schedule while defined $current;
2616	$! = $status;
2617	},
2618	)
2619	};
2620		3646
2621	unless ($DB_ENV) {	3647	unless ($DB_ENV) {
2622	$DB_ENV = BDB::db_env_create;	3648	$DB_ENV = BDB::db_env_create;
		3649	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3650	| BDB::LOG_AUTOREMOVE, 1);
		3651	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3652	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
2623		3653
2624	cf::sync_job {	3654	cf::sync_job {
2625	eval {	3655	eval {
2626	BDB::db_env_open	3656	BDB::db_env_open
2627	$DB_ENV,	3657	$DB_ENV,
2628	$BDB_ENV_DIR,	3658	$BDBDIR,
2629	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN	3659	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,	3660	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631	0666;	3661	0666;
2632		3662
2633	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;	3663	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
2634
2635	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636	$DB_ENV->set_lk_detect;
2637	};	3664	};
2638		3665
2639	cf::cleanup "db_env_open(db): $@" if $@;	3666	cf::cleanup "db_env_open(db): $@" if $@;
2640	};	3667	};
2641	}	3668	}
		3669
		3670	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3671	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3672	};
		3673	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3674	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3675	};
		3676	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3677	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3678	};
2642	}	3679	}
2643		3680
2644	{	3681	{
		3682	# configure IO::AIO
		3683
2645	IO::AIO::min_parallel 8;	3684	IO::AIO::min_parallel 8;
2646
2647	undef $Coro::AIO::WATCHER;
2648	IO::AIO::max_poll_time $TICK * 0.1;	3685	IO::AIO::max_poll_time $TICK * 0.1;
2649	$AIO_POLL_WATCHER = Event->io (	3686	$Coro::AIO::WATCHER->priority (1);
2650	reentrant => 0,
2651	data => WF_AUTOCANCEL,
2652	fd => IO::AIO::poll_fileno,
2653	poll => 'r',
2654	prio => 6,
2655	cb => \&IO::AIO::poll_cb,
2656	);
2657	}	3687	}
		3688
		3689	my $_log_backtrace;
		3690
		3691	sub _log_backtrace {
		3692	my ($msg, @addr) = @_;
		3693
		3694	$msg =~ s/\n//;
		3695
		3696	# limit the # of concurrent backtraces
		3697	if ($_log_backtrace < 2) {
		3698	++$_log_backtrace;
		3699	async {
		3700	$Coro::current->{desc} = "abt $msg";
		3701
		3702	my @bt = fork_call {
		3703	@addr = map { sprintf "%x", $_ } @addr;
		3704	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3705	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3706	or die "addr2line: $!";
		3707
		3708	my @funcs;
		3709	my @res = <$fh>;
		3710	chomp for @res;
		3711	while (@res) {
		3712	my ($func, $line) = splice @res, 0, 2, ();
		3713	push @funcs, "[$func] $line";
		3714	}
		3715
		3716	@funcs
		3717	};
		3718
		3719	LOG llevInfo, "[ABT] $msg\n";
		3720	LOG llevInfo, "[ABT] $_\n" for @bt;
		3721	--$_log_backtrace;
		3722	};
		3723	} else {
		3724	LOG llevInfo, "[ABT] $msg\n";
		3725	LOG llevInfo, "[ABT] [suppressed]\n";
		3726	}
		3727	}
		3728
		3729	# load additional modules
		3730	use cf::pod;
2658		3731
2659	END { cf::emergency_save }	3732	END { cf::emergency_save }
2660		3733
2661	1	3734	1
2662		3735

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