ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/deliantra/server/lib/cf.pm

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.159 by root, Wed Jan 10 22:50:12 2007 UTC vs.
Revision 1.398 by root, Wed Dec 5 11:08:34 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;
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 3.3 ();	15	use Coro 4.1 ();
		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::Storable;
		24	use Coro::Util ();
19		25
		26	use JSON::XS 2.01 ();
		27	use BDB ();
20	use Data::Dumper;	28	use Data::Dumper;
21	use Digest::MD5;	29	use Digest::MD5;
22	use Fcntl;	30	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	31	use YAML::Syck ();
		32	use IO::AIO 2.51 ();
25	use Time::HiRes;	33	use Time::HiRes;
		34	use Compress::LZF;
		35	use Digest::MD5 ();
26		36
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	37	# configure various modules to our taste
28		38	#
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	39	$Storable::canonical = 1; # reduce rsync transfers
		40	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		41	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30		42
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	43	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;	44	$YAML::Syck::ImplicitUnicode = 1;
33		45
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority	46	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		47
		48	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
		49
36	our %COMMAND = ();	50	our %COMMAND = ();
37	our %COMMAND_TIME = ();	51	our %COMMAND_TIME = ();
38		52
39	our @EXTS = (); # list of extension package names	53	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	54	our %EXTCMD = ();
		55	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	56	our %EXT_CORO = (); # coroutines bound to extensions
		57	our %EXT_MAP = (); # pluggable maps
42		58
		59	our $RELOAD; # number of reloads so far
43	our @EVENT;	60	our @EVENT;
44	our $LIBDIR = datadir . "/ext";
45		61
46	our $TICK = MAX_TIME * 1e-6;	62	our $CONFDIR = confdir;
		63	our $DATADIR = datadir;
		64	our $LIBDIR = "$DATADIR/ext";
		65	our $PODDIR = "$DATADIR/pod";
		66	our $MAPDIR = "$DATADIR/" . mapdir;
		67	our $LOCALDIR = localdir;
		68	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		69	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		70	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		71	our $RANDOMDIR = "$LOCALDIR/random";
		72	our $BDBDIR = "$LOCALDIR/db";
		73
		74	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
47	our $TICK_WATCHER;	75	our $TICK_WATCHER;
		76	our $AIO_POLL_WATCHER;
		77	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
48	our $NEXT_TICK;	78	our $NEXT_TICK;
49	our $NOW;	79	our $NOW;
		80	our $USE_FSYNC = 1; # use fsync to write maps - default off
		81
		82	our $BDB_POLL_WATCHER;
		83	our $BDB_DEADLOCK_WATCHER;
		84	our $BDB_CHECKPOINT_WATCHER;
		85	our $BDB_TRICKLE_WATCHER;
		86	our $DB_ENV;
50		87
51	our %CFG;	88	our %CFG;
52		89
53	our $UPTIME; $UPTIME ||= time;	90	our $UPTIME; $UPTIME ||= time;
54	our $RUNTIME;	91	our $RUNTIME;
55		92
56	our %PLAYER; # all users	93	our (%PLAYER, %PLAYER_LOADING); # all users
57	our %MAP; # all maps	94	our (%MAP, %MAP_LOADING ); # all maps
58	our $LINK_MAP; # the special {link} map	95	our $LINK_MAP; # the special {link} map, which is always available
59	our $RANDOM_MAPS = cf::localdir . "/random";
60		96
61	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;	97	# used to convert map paths into valid unix filenames by replacing / by ∕
62	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;	98	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
		99
		100	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		101	our $LOADAVG; # same thing, but with alpha-smoothing
		102	our $tick_start; # for load detecting purposes
63		103
64	binmode STDOUT;	104	binmode STDOUT;
65	binmode STDERR;	105	binmode STDERR;
66		106
67	# read virtual server time, if available	107	# read virtual server time, if available
68	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	108	unless ($RUNTIME || !-e "$LOCALDIR/runtime") {
69	open my $fh, "<", cf::localdir . "/runtime"	109	open my $fh, "<", "$LOCALDIR/runtime"
70	or die "unable to read runtime file: $!";	110	or die "unable to read runtime file: $!";
71	$RUNTIME = <$fh> + 0.;	111	$RUNTIME = <$fh> + 0.;
72	}	112	}
73		113
74	mkdir cf::localdir;	114	mkdir $_
75	mkdir cf::localdir . "/" . cf::playerdir;	115	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
76	mkdir cf::localdir . "/" . cf::tmpdir;
77	mkdir cf::localdir . "/" . cf::uniquedir;
78	mkdir $RANDOM_MAPS;
79		116
80	# a special map that is always available
81	our $LINK_MAP;
82	our $EMERGENCY_POSITION;	117	our $EMERGENCY_POSITION;
		118
		119	sub cf::map::normalise;
83		120
84	#############################################################################	121	#############################################################################
85		122
86	=head2 GLOBAL VARIABLES	123	=head2 GLOBAL VARIABLES
87		124
…		…
94	=item $cf::RUNTIME	131	=item $cf::RUNTIME
95		132
96	The time this server has run, starts at 0 and is increased by $cf::TICK on	133	The time this server has run, starts at 0 and is increased by $cf::TICK on
97	every server tick.	134	every server tick.
98		135
99	=item $cf::LIBDIR	136	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		137	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		138	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
100		139
101	The perl library directory, where extensions and cf-specific modules can	140	Various directories - "/etc", read-only install directory, perl-library
102	be found. It will be added to C<@INC> automatically.	141	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		142	unique-items directory, player file directory, random maps directory and
		143	database environment.
103		144
104	=item $cf::NOW	145	=item $cf::NOW
105		146
106	The time of the last (current) server tick.	147	The time of the last (current) server tick.
107		148
108	=item $cf::TICK	149	=item $cf::TICK
109		150
110	The interval between server ticks, in seconds.	151	The interval between server ticks, in seconds.
111		152
		153	=item $cf::LOADAVG
		154
		155	The current CPU load on the server (alpha-smoothed), as a value between 0
		156	(none) and 1 (overloaded), indicating how much time is spent on processing
		157	objects per tick. Healthy values are < 0.5.
		158
		159	=item $cf::LOAD
		160
		161	The raw value load value from the last tick.
		162
112	=item %cf::CFG	163	=item %cf::CFG
113		164
114	Configuration for the server, loaded from C</etc/crossfire/config>, or	165	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
115	from wherever your confdir points to.	166	from wherever your confdir points to.
116		167
117	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	168	=item cf::wait_for_tick, cf::wait_for_tick_begin
118		169
119	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	170	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
120	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	171	returns directly I<after> the tick processing (and consequently, can only wake one process
121	processing has been done. Call C<< ->wait >> on them to maximise the	172	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
122	window of cpu time available, or simply to synchronise to the server tick.	173
		174	=item @cf::INVOKE_RESULTS
		175
		176	This array contains the results of the last C<invoke ()> call. When
		177	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		178	that call.
123		179
124	=back	180	=back
125		181
126	=cut	182	=cut
127		183
128	BEGIN {	184	BEGIN {
129	*CORE::GLOBAL::warn = sub {	185	*CORE::GLOBAL::warn = sub {
130	my $msg = join "", @_;	186	my $msg = join "", @_;
131	utf8::encode $msg;
132		187
133	$msg .= "\n"	188	$msg .= "\n"
134	unless $msg =~ /\n$/;	189	unless $msg =~ /\n$/;
		190
		191	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
135		192
136	LOG llevError, $msg;	193	LOG llevError, $msg;
137	};	194	};
138	}	195	}
139		196
140	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	197	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
141	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	198	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
142	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	199	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
143	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	200	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
144	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	201	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		202	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
145	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	203	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
146		204
147	# we bless all objects into (empty) derived classes to force a method lookup	205	# we bless all objects into (empty) derived classes to force a method lookup
148	# within the Safe compartment.	206	# within the Safe compartment.
149	for my $pkg (qw(	207	for my $pkg (qw(
150	cf::global cf::attachable	208	cf::global cf::attachable
…		…
155	)) {	213	)) {
156	no strict 'refs';	214	no strict 'refs';
157	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	215	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
158	}	216	}
159		217
160	$Event::DIED = sub {	218	$EV::DIED = sub {
161	warn "error in event callback: @_";	219	warn "error in event callback: @_";
162	};	220	};
		221
		222	#############################################################################
163		223
164	=head2 UTILITY FUNCTIONS	224	=head2 UTILITY FUNCTIONS
165		225
166	=over 4	226	=over 4
167		227
…		…
186	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	246	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
187	$d	247	$d
188	} || "[unable to dump $_[0]: '$@']";	248	} || "[unable to dump $_[0]: '$@']";
189	}	249	}
190		250
191	use JSON::Syck (); # TODO# replace by JSON::PC once working
192
193	=item $ref = cf::from_json $json	251	=item $ref = cf::decode_json $json
194		252
195	Converts a JSON string into the corresponding perl data structure.	253	Converts a JSON string into the corresponding perl data structure.
196		254
197	=cut
198
199	sub from_json($) {
200	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
201	JSON::Syck::Load $_[0]
202	}
203
204	=item $json = cf::to_json $ref	255	=item $json = cf::encode_json $ref
205		256
206	Converts a perl data structure into its JSON representation.	257	Converts a perl data structure into its JSON representation.
207		258
208	=cut	259	=cut
209		260
210	sub to_json($) {	261	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
211	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	262
212	JSON::Syck::Dump $_[0]	263	sub encode_json($) { $json_coder->encode ($_[0]) }
213	}	264	sub decode_json($) { $json_coder->decode ($_[0]) }
214		265
215	=item cf::lock_wait $string	266	=item cf::lock_wait $string
216		267
217	Wait until the given lock is available. See cf::lock_acquire.	268	Wait until the given lock is available. See cf::lock_acquire.
218		269
…		…
221	Wait until the given lock is available and then acquires it and returns	272	Wait until the given lock is available and then acquires it and returns
222	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	273	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
223	for example when the coroutine gets canceled), the lock is automatically	274	for example when the coroutine gets canceled), the lock is automatically
224	returned.	275	returned.
225		276
		277	Locks are *not* recursive, locking from the same coro twice results in a
		278	deadlocked coro.
		279
226	Lock names should begin with a unique identifier (for example, cf::map::find	280	Lock names should begin with a unique identifier (for example, cf::map::find
227	uses map_find and cf::map::load uses map_load).	281	uses map_find and cf::map::load uses map_load).
228		282
		283	=item $locked = cf::lock_active $string
		284
		285	Return true if the lock is currently active, i.e. somebody has locked it.
		286
229	=cut	287	=cut
230		288
231	our %LOCK;	289	our %LOCK;
		290	our %LOCKER;#d#
232		291
233	sub lock_wait($) {	292	sub lock_wait($) {
234	my ($key) = @_;	293	my ($key) = @_;
		294
		295	if ($LOCKER{$key} == $Coro::current) {#d#
		296	Carp::cluck "lock_wait($key) for already-acquired lock";#d#
		297	return;#d#
		298	}#d#
235		299
236	# wait for lock, if any	300	# wait for lock, if any
237	while ($LOCK{$key}) {	301	while ($LOCK{$key}) {
238	push @{ $LOCK{$key} }, $Coro::current;	302	push @{ $LOCK{$key} }, $Coro::current;
239	Coro::schedule;	303	Coro::schedule;
…		…
245		309
246	# wait, to be sure we are not locked	310	# wait, to be sure we are not locked
247	lock_wait $key;	311	lock_wait $key;
248		312
249	$LOCK{$key} = [];	313	$LOCK{$key} = [];
		314	$LOCKER{$key} = $Coro::current;#d#
250		315
251	Coro::guard {	316	Coro::guard {
		317	delete $LOCKER{$key};#d#
252	# wake up all waiters, to be on the safe side	318	# wake up all waiters, to be on the safe side
253	$_->ready for @{ delete $LOCK{$key} };	319	$_->ready for @{ delete $LOCK{$key} };
254	}	320	}
255	}	321	}
256		322
		323	sub lock_active($) {
		324	my ($key) = @_;
		325
		326	! ! $LOCK{$key}
		327	}
		328
257	sub freeze_mainloop {	329	sub freeze_mainloop {
258	return unless $TICK_WATCHER->is_active;	330	return unless $TICK_WATCHER->is_active;
259		331
260	my $guard = Coro::guard { $TICK_WATCHER->start };	332	my $guard = Coro::guard {
		333	$TICK_WATCHER->start;
		334	};
261	$TICK_WATCHER->stop;	335	$TICK_WATCHER->stop;
262	$guard	336	$guard
		337	}
		338
		339	=item cf::periodic $interval, $cb
		340
		341	Like EV::periodic, but randomly selects a starting point so that the actions
		342	get spread over timer.
		343
		344	=cut
		345
		346	sub periodic($$) {
		347	my ($interval, $cb) = @_;
		348
		349	my $start = rand List::Util::min 180, $interval;
		350
		351	EV::periodic $start, $interval, 0, $cb
		352	}
		353
		354	=item cf::get_slot $time[, $priority[, $name]]
		355
		356	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		357	This call blocks and returns only when you have at least C<$time> seconds
		358	of cpu time till the next tick. The slot is only valid till the next cede.
		359
		360	The optional C<$name> can be used to identify the job to run. It might be
		361	used for statistical purposes and should identify the same time-class.
		362
		363	Useful for short background jobs.
		364
		365	=cut
		366
		367	our @SLOT_QUEUE;
		368	our $SLOT_QUEUE;
		369
		370	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		371	$SLOT_QUEUE = Coro::async {
		372	$Coro::current->desc ("timeslot manager");
		373
		374	my $signal = new Coro::Signal;
		375
		376	while () {
		377	next_job:
		378	my $avail = cf::till_tick;
		379	if ($avail > 0.01) {
		380	for (0 .. $#SLOT_QUEUE) {
		381	if ($SLOT_QUEUE[$_][0] < $avail) {
		382	my $job = splice @SLOT_QUEUE, $_, 1, ();
		383	$job->[2]->send;
		384	Coro::cede;
		385	goto next_job;
		386	}
		387	}
		388	}
		389
		390	if (@SLOT_QUEUE) {
		391	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		392	push @cf::WAIT_FOR_TICK, $signal;
		393	$signal->wait;
		394	} else {
		395	Coro::schedule;
		396	}
		397	}
		398	};
		399
		400	sub get_slot($;$$) {
		401	my ($time, $pri, $name) = @_;
		402
		403	$time = $TICK * .6 if $time > $TICK * .6;
		404	my $sig = new Coro::Signal;
		405
		406	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		407	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		408	$SLOT_QUEUE->ready;
		409	$sig->wait;
263	}	410	}
264		411
265	=item cf::async { BLOCK }	412	=item cf::async { BLOCK }
266		413
267	Currently the same as Coro::async_pool, meaning you cannot use	414	Currently the same as Coro::async_pool, meaning you cannot use
…		…
272		419
273	BEGIN { *async = \&Coro::async_pool }	420	BEGIN { *async = \&Coro::async_pool }
274		421
275	=item cf::sync_job { BLOCK }	422	=item cf::sync_job { BLOCK }
276		423
277	The design of crossfire+ requires that the main coro ($Coro::main) is	424	The design of Deliantra requires that the main coroutine ($Coro::main)
278	always able to handle events or runnable, as crossfire+ is only partly	425	is always able to handle events or runnable, as Deliantra is only
279	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	426	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		427	acceptable.
280		428
281	If it must be done, put the blocking parts into C<sync_job>. This will run	429	If it must be done, put the blocking parts into C<sync_job>. This will run
282	the given BLOCK in another coroutine while waiting for the result. The	430	the given BLOCK in another coroutine while waiting for the result. The
283	server will be frozen during this time, so the block should either finish	431	server will be frozen during this time, so the block should either finish
284	fast or be very important.	432	fast or be very important.
…		…
287		435
288	sub sync_job(&) {	436	sub sync_job(&) {
289	my ($job) = @_;	437	my ($job) = @_;
290		438
291	if ($Coro::current == $Coro::main) {	439	if ($Coro::current == $Coro::main) {
		440	my $time = EV::time;
		441
292	# this is the main coro, too bad, we have to block	442	# this is the main coro, too bad, we have to block
293	# till the operation succeeds, freezing the server :/	443	# till the operation succeeds, freezing the server :/
294		444
		445	LOG llevError, Carp::longmess "sync job";#d#
		446
295	# TODO: use suspend/resume instead	447	# TODO: use suspend/resume instead
296	# (but this is cancel-safe)	448	# (but this is cancel-safe)
297	my $freeze_guard = freeze_mainloop;	449	my $freeze_guard = freeze_mainloop;
298		450
299	my $busy = 1;	451	my $busy = 1;
300	my @res;	452	my @res;
301		453
302	(async {	454	(async {
		455	$Coro::current->desc ("sync job coro");
303	@res = eval { $job->() };	456	@res = eval { $job->() };
304	warn $@ if $@;	457	warn $@ if $@;
305	undef $busy;	458	undef $busy;
306	})->prio (Coro::PRIO_MAX);	459	})->prio (Coro::PRIO_MAX);
307		460
308	while ($busy) {	461	while ($busy) {
309	Coro::cede or Event::one_event;	462	if (Coro::nready) {
		463	Coro::cede_notself;
		464	} else {
		465	EV::loop EV::LOOP_ONESHOT;
310	}	466	}
		467	}
		468
		469	$time = EV::time - $time;
		470
		471	LOG llevError | logBacktrace, Carp::longmess "long sync job"
		472	if $time > $TICK * 0.5 && $TICK_WATCHER->is_active;
		473
		474	$tick_start += $time; # do not account sync jobs to server load
311		475
312	wantarray ? @res : $res[0]	476	wantarray ? @res : $res[0]
313	} else {	477	} else {
314	# we are in another coroutine, how wonderful, everything just works	478	# we are in another coroutine, how wonderful, everything just works
315		479
…		…
335	$EXT_CORO{$coro+0} = $coro;	499	$EXT_CORO{$coro+0} = $coro;
336		500
337	$coro	501	$coro
338	}	502	}
339		503
340	sub write_runtime {	504	=item fork_call { }, $args
341	my $runtime = cf::localdir . "/runtime";
342		505
343	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	506	Executes the given code block with the given arguments in a seperate
344	or return;	507	process, returning the results. Everything must be serialisable with
		508	Coro::Storable. May, of course, block. Note that the executed sub may
		509	never block itself or use any form of event handling.
345		510
346	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	511	=cut
347	(aio_write $fh, 0, (length $value), $value, 0) <= 0
348	and return;
349		512
350	aio_fsync $fh	513	sub fork_call(&@) {
351	and return;	514	my ($cb, @args) = @_;
352		515
353	close $fh	516	# we seemingly have to make a local copy of the whole thing,
354	or return;	517	# otherwise perl prematurely frees the stuff :/
		518	# TODO: investigate and fix (likely this will be rather laborious)
355		519
356	aio_rename "$runtime~", $runtime	520	my @res = Coro::Util::fork_eval {
357	and return;	521	reset_signals;
		522	&$cb
		523	}, @args;
358		524
		525	wantarray ? @res : $res[-1]
		526	}
		527
		528	=item $value = cf::db_get $family => $key
		529
		530	Returns a single value from the environment database.
		531
		532	=item cf::db_put $family => $key => $value
		533
		534	Stores the given C<$value> in the family. It can currently store binary
		535	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		536
		537	=item $db = cf::db_table "name"
		538
		539	Create and/or open a new database table. The string must not be "db" and must be unique
		540	within each server.
		541
		542	=cut
		543
		544	sub db_table($) {
		545	my ($name) = @_;
		546	my $db = BDB::db_create $DB_ENV;
		547
		548	eval {
		549	$db->set_flags (BDB::CHKSUM);
		550
		551	utf8::encode $name;
		552	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		553	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		554	cf::cleanup "db_open(db): $!" if $!;
		555	};
		556	cf::cleanup "db_open(db): $@" if $@;
		557
		558	$db
		559	}
		560
		561	our $DB;
		562
		563	sub db_init {
		564	cf::sync_job {
		565	$DB ||= db_table "db";
		566	};
		567	}
		568
		569	sub db_get($$) {
		570	my $key = "$_[0]/$_[1]";
		571
		572	cf::sync_job {
		573	BDB::db_get $DB, undef, $key, my $data;
		574
		575	$! ? ()
		576	: $data
359	1	577	}
		578	}
		579
		580	sub db_put($$$) {
		581	BDB::dbreq_pri 4;
		582	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		583	}
		584
		585	=item cf::cache $id => [$paths...], $processversion => $process
		586
		587	Generic caching function that returns the value of the resource $id,
		588	caching and regenerating as required.
		589
		590	This function can block.
		591
		592	=cut
		593
		594	sub cache {
		595	my ($id, $src, $processversion, $process) = @_;
		596
		597	my $meta =
		598	join "\x00",
		599	$processversion,
		600	map {
		601	aio_stat $_
		602	and Carp::croak "$_: $!";
		603
		604	($_, (stat _)[7,9])
		605	} @$src;
		606
		607	my $dbmeta = db_get cache => "$id/meta";
		608	if ($dbmeta ne $meta) {
		609	# changed, we may need to process
		610
		611	my @data;
		612	my $md5;
		613
		614	for (0 .. $#$src) {
		615	0 <= aio_load $src->[$_], $data[$_]
		616	or Carp::croak "$src->[$_]: $!";
		617	}
		618
		619	# if processing is expensive, check
		620	# checksum first
		621	if (1) {
		622	$md5 =
		623	join "\x00",
		624	$processversion,
		625	map {
		626	cf::cede_to_tick;
		627	($src->[$_], Digest::MD5::md5_hex $data[$_])
		628	} 0.. $#$src;
		629
		630
		631	my $dbmd5 = db_get cache => "$id/md5";
		632	if ($dbmd5 eq $md5) {
		633	db_put cache => "$id/meta", $meta;
		634
		635	return db_get cache => "$id/data";
		636	}
		637	}
		638
		639	my $t1 = Time::HiRes::time;
		640	my $data = $process->(\@data);
		641	my $t2 = Time::HiRes::time;
		642
		643	warn "cache: '$id' processed in ", $t2 - $t1, "s\n";
		644
		645	db_put cache => "$id/data", $data;
		646	db_put cache => "$id/md5" , $md5;
		647	db_put cache => "$id/meta", $meta;
		648
		649	return $data;
		650	}
		651
		652	db_get cache => "$id/data"
		653	}
		654
		655	=item cf::datalog type => key => value, ...
		656
		657	Log a datalog packet of the given type with the given key-value pairs.
		658
		659	=cut
		660
		661	sub datalog($@) {
		662	my ($type, %kv) = @_;
		663	warn "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
360	}	664	}
361		665
362	=back	666	=back
363		667
364	=cut	668	=cut
365
366	#############################################################################
367
368	package cf::path;
369
370	use overload
371	'""' => \&as_string;
372
373	# used to convert map paths into valid unix filenames by repalcing / by ∕
374	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
375
376	sub new {
377	my ($class, $path, $base) = @_;
378
379	$path = $path->as_string if ref $path;
380
381	my $self = bless { }, $class;
382
383	# {... are special paths that are not touched
384	# ?xxx/... are special absolute paths
385	# ?random/... random maps
386	# /! non-realised random map exit
387	# /... normal maps
388	# ~/... per-player maps without a specific player (DO NOT USE)
389	# ~user/... per-player map of a specific user
390
391	$path =~ s/$PATH_SEP/\//go;
392
393	if ($path =~ /^{/) {
394	# fine as it is
395	} elsif ($path =~ s{^\?random/}{}) {
396	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
397	$self->{random} = cf::from_json $data;
398	} else {
399	if ($path =~ s{^~([^/]+)?}{}) {
400	$self->{user_rel} = 1;
401
402	if (defined $1) {
403	$self->{user} = $1;
404	} elsif ($base =~ m{^~([^/]+)/}) {
405	$self->{user} = $1;
406	} else {
407	warn "cannot resolve user-relative path without user <$path,$base>\n";
408	}
409	} elsif ($path =~ /^\//) {
410	# already absolute
411	} else {
412	$base =~ s{[^/]+/?$}{};
413	return $class->new ("$base/$path");
414	}
415
416	for ($path) {
417	redo if s{/\.?/}{/};
418	redo if s{/[^/]+/\.\./}{/};
419	}
420	}
421
422	$self->{path} = $path;
423
424	$self
425	}
426
427	# the name / primary key / in-game path
428	sub as_string {
429	my ($self) = @_;
430
431	$self->{user_rel} ? "~$self->{user}$self->{path}"
432	: $self->{random} ? "?random/$self->{path}"
433	: $self->{path}
434	}
435
436	# the displayed name, this is a one way mapping
437	sub visible_name {
438	my ($self) = @_;
439
440	# if (my $rmp = $self->{random}) {
441	# # todo: be more intelligent about this
442	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
443	# } else {
444	$self->as_string
445	# }
446	}
447
448	# escape the /'s in the path
449	sub _escaped_path {
450	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
451	$path
452	}
453
454	# the original (read-only) location
455	sub load_path {
456	my ($self) = @_;
457
458	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
459	}
460
461	# the temporary/swap location
462	sub save_path {
463	my ($self) = @_;
464
465	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
466	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
467	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
468	}
469
470	# the unique path, might be eq to save_path
471	sub uniq_path {
472	my ($self) = @_;
473
474	$self->{user_rel} || $self->{random}
475	? undef
476	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
477	}
478
479	# return random map parameters, or undef
480	sub random_map_params {
481	my ($self) = @_;
482
483	$self->{random}
484	}
485
486	# this is somewhat ugly, but style maps do need special treatment
487	sub is_style_map {
488	$_[0]{path} =~ m{^/styles/}
489	}
490
491	package cf;
492		669
493	#############################################################################	670	#############################################################################
494		671
495	=head2 ATTACHABLE OBJECTS	672	=head2 ATTACHABLE OBJECTS
496		673
…		…
498	attach callbacks/event handlers (a collection of which is called an "attachment")	675	attach callbacks/event handlers (a collection of which is called an "attachment")
499	to it. All such attachable objects support the following methods.	676	to it. All such attachable objects support the following methods.
500		677
501	In the following description, CLASS can be any of C<global>, C<object>	678	In the following description, CLASS can be any of C<global>, C<object>
502	C<player>, C<client> or C<map> (i.e. the attachable objects in	679	C<player>, C<client> or C<map> (i.e. the attachable objects in
503	crossfire+).	680	Deliantra).
504		681
505	=over 4	682	=over 4
506		683
507	=item $attachable->attach ($attachment, key => $value...)	684	=item $attachable->attach ($attachment, key => $value...)
508		685
…		…
622	our @CB_TYPE = (); # registry for type (cf-object class) based events	799	our @CB_TYPE = (); # registry for type (cf-object class) based events
623	our @CB_MAP = ();	800	our @CB_MAP = ();
624		801
625	my %attachment;	802	my %attachment;
626		803
		804	sub cf::attachable::thawer_merge {
		805	# simply override everything except _meta
		806	local $_[0]{_meta};
		807	%{$_[0]} = %{$_[1]};
		808	}
		809
627	sub _attach_cb($$$$) {	810	sub _attach_cb($$$$) {
628	my ($registry, $event, $prio, $cb) = @_;	811	my ($registry, $event, $prio, $cb) = @_;
629		812
630	use sort 'stable';	813	use sort 'stable';
631		814
…		…
665	$registry = $CB_TYPE[$object_type] ||= [];	848	$registry = $CB_TYPE[$object_type] ||= [];
666		849
667	} elsif ($type eq "subtype") {	850	} elsif ($type eq "subtype") {
668	defined $object_type or Carp::croak "subtype specified without type";	851	defined $object_type or Carp::croak "subtype specified without type";
669	my $object_subtype = shift @arg;	852	my $object_subtype = shift @arg;
670	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	853	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
671		854
672	} elsif ($type eq "package") {	855	} elsif ($type eq "package") {
673	my $pkg = shift @arg;	856	my $pkg = shift @arg;
674		857
675	while (my ($name, $id) = each %cb_id) {	858	while (my ($name, $id) = each %cb_id) {
…		…
704	_attach $registry, $klass, @attach;	887	_attach $registry, $klass, @attach;
705	}	888	}
706		889
707	$obj->{$name} = \%arg;	890	$obj->{$name} = \%arg;
708	} else {	891	} else {
709	warn "object uses attachment '$name' that is not available, postponing.\n";	892	warn "object uses attachment '$name' which is not available, postponing.\n";
710	}	893	}
711		894
712	$obj->{_attachment}{$name} = undef;	895	$obj->{_attachment}{$name} = undef;
713	}	896	}
714		897
…		…
716	if (ref $_[0]) {	899	if (ref $_[0]) {
717	_object_attach @_;	900	_object_attach @_;
718	} else {	901	} else {
719	_attach shift->_attach_registry, @_;	902	_attach shift->_attach_registry, @_;
720	}	903	}
		904	_recalc_want;
721	};	905	};
722		906
723	# all those should be optimised	907	# all those should be optimised
724	sub cf::attachable::detach {	908	sub cf::attachable::detach {
725	my ($obj, $name) = @_;	909	my ($obj, $name) = @_;
…		…
728	delete $obj->{_attachment}{$name};	912	delete $obj->{_attachment}{$name};
729	reattach ($obj);	913	reattach ($obj);
730	} else {	914	} else {
731	Carp::croak "cannot, currently, detach class attachments";	915	Carp::croak "cannot, currently, detach class attachments";
732	}	916	}
		917	_recalc_want;
733	};	918	};
734		919
735	sub cf::attachable::attached {	920	sub cf::attachable::attached {
736	my ($obj, $name) = @_;	921	my ($obj, $name) = @_;
737		922
…		…
752	";	937	";
753	die if $@;	938	die if $@;
754	}	939	}
755		940
756	our $override;	941	our $override;
757	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	942	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
758		943
759	sub override {	944	sub override {
760	$override = 1;	945	$override = 1;
761	@invoke_results = ();	946	@INVOKE_RESULTS = (@_);
762	}	947	}
763		948
764	sub do_invoke {	949	sub do_invoke {
765	my $event = shift;	950	my $event = shift;
766	my $callbacks = shift;	951	my $callbacks = shift;
767		952
768	@invoke_results = ();	953	@INVOKE_RESULTS = ();
769		954
770	local $override;	955	local $override;
771		956
772	for (@$callbacks) {	957	for (@$callbacks) {
773	eval { &{$_->[1]} };	958	eval { &{$_->[1]} };
…		…
790		975
791	Generate an object-specific event with the given arguments.	976	Generate an object-specific event with the given arguments.
792		977
793	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	978	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
794	removed in future versions), and there is no public API to access override	979	removed in future versions), and there is no public API to access override
795	results (if you must, access C<@cf::invoke_results> directly).	980	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
796		981
797	=back	982	=back
798		983
799	=cut	984	=cut
800		985
801	#############################################################################	986	#############################################################################
802	# object support	987	# object support
		988
		989	sub _object_equal($$);
		990	sub _object_equal($$) {
		991	my ($a, $b) = @_;
		992
		993	return 0 unless (ref $a) eq (ref $b);
		994
		995	if ("HASH" eq ref $a) {
		996	my @ka = keys %$a;
		997	my @kb = keys %$b;
		998
		999	return 0 if @ka != @kb;
		1000
		1001	for (0 .. $#ka) {
		1002	return 0 unless $ka[$_] eq $kb[$_];
		1003	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1004	}
		1005
		1006	} elsif ("ARRAY" eq ref $a) {
		1007
		1008	return 0 if @$a != @$b;
		1009
		1010	for (0 .. $#$a) {
		1011	return 0 unless _object_equal $a->[$_], $b->[$_];
		1012	}
		1013
		1014	} elsif ($a ne $b) {
		1015	return 0;
		1016	}
		1017
		1018	1
		1019	}
		1020
		1021	our $SLOW_MERGES;#d#
		1022	sub _can_merge {
		1023	my ($ob1, $ob2) = @_;
		1024
		1025	++$SLOW_MERGES;#d#
		1026
		1027	# we do the slow way here
		1028	return _object_equal $ob1, $ob2
		1029	}
803		1030
804	sub reattach {	1031	sub reattach {
805	# basically do the same as instantiate, without calling instantiate	1032	# basically do the same as instantiate, without calling instantiate
806	my ($obj) = @_;	1033	my ($obj) = @_;
		1034
		1035	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
807		1036
808	my $registry = $obj->registry;	1037	my $registry = $obj->registry;
809		1038
810	@$registry = ();	1039	@$registry = ();
811		1040
…		…
826	cf::attachable->attach (	1055	cf::attachable->attach (
827	prio => -1000000,	1056	prio => -1000000,
828	on_instantiate => sub {	1057	on_instantiate => sub {
829	my ($obj, $data) = @_;	1058	my ($obj, $data) = @_;
830		1059
831	$data = from_json $data;	1060	$data = decode_json $data;
832		1061
833	for (@$data) {	1062	for (@$data) {
834	my ($name, $args) = @$_;	1063	my ($name, $args) = @$_;
835		1064
836	$obj->attach ($name, %{$args || {} });	1065	$obj->attach ($name, %{$args || {} });
…		…
852	sub object_freezer_save {	1081	sub object_freezer_save {
853	my ($filename, $rdata, $objs) = @_;	1082	my ($filename, $rdata, $objs) = @_;
854		1083
855	sync_job {	1084	sync_job {
856	if (length $$rdata) {	1085	if (length $$rdata) {
		1086	utf8::decode (my $decname = $filename);
857	warn sprintf "saving %s (%d,%d)\n",	1087	warn sprintf "saving %s (%d,%d)\n",
858	$filename, length $$rdata, scalar @$objs;	1088	$decname, length $$rdata, scalar @$objs;
859		1089
860	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1090	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
861	chmod SAVE_MODE, $fh;	1091	chmod SAVE_MODE, $fh;
862	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1092	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
863	aio_fsync $fh;	1093	aio_fsync $fh if $cf::USE_FSYNC;
864	close $fh;	1094	close $fh;
865		1095
866	if (@$objs) {	1096	if (@$objs) {
867	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1097	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
868	chmod SAVE_MODE, $fh;	1098	chmod SAVE_MODE, $fh;
869	my $data = Storable::nfreeze { version => 1, objs => $objs };	1099	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
870	aio_write $fh, 0, (length $data), $data, 0;	1100	aio_write $fh, 0, (length $data), $data, 0;
871	aio_fsync $fh;	1101	aio_fsync $fh if $cf::USE_FSYNC;
872	close $fh;	1102	close $fh;
873	aio_rename "$filename.pst~", "$filename.pst";	1103	aio_rename "$filename.pst~", "$filename.pst";
874	}	1104	}
875	} else {	1105	} else {
876	aio_unlink "$filename.pst";	1106	aio_unlink "$filename.pst";
…		…
882	}	1112	}
883	} else {	1113	} else {
884	aio_unlink $filename;	1114	aio_unlink $filename;
885	aio_unlink "$filename.pst";	1115	aio_unlink "$filename.pst";
886	}	1116	}
887	}	1117	};
888	}	1118	}
889		1119
890	sub object_freezer_as_string {	1120	sub object_freezer_as_string {
891	my ($rdata, $objs) = @_;	1121	my ($rdata, $objs) = @_;
892		1122
…		…
904	or return;	1134	or return;
905		1135
906	unless (aio_stat "$filename.pst") {	1136	unless (aio_stat "$filename.pst") {
907	(aio_load "$filename.pst", $av) >= 0	1137	(aio_load "$filename.pst", $av) >= 0
908	or return;	1138	or return;
		1139
909	$av = eval { (Storable::thaw $av)->{objs} };	1140	my $st = eval { Coro::Storable::thaw $av };
		1141	$av = $st->{objs};
910	}	1142	}
911		1143
		1144	utf8::decode (my $decname = $filename);
912	warn sprintf "loading %s (%d)\n",	1145	warn sprintf "loading %s (%d,%d)\n",
913	$filename, length $data, scalar @{$av || []};#d#	1146	$decname, length $data, scalar @{$av || []};
		1147
914	return ($data, $av);	1148	($data, $av)
915	}	1149	}
		1150
		1151	=head2 COMMAND CALLBACKS
		1152
		1153	=over 4
		1154
		1155	=cut
916		1156
917	#############################################################################	1157	#############################################################################
918	# command handling &c	1158	# command handling &c
919		1159
920	=item cf::register_command $name => \&callback($ob,$args);	1160	=item cf::register_command $name => \&callback($ob,$args);
…		…
933	push @{ $COMMAND{$name} }, [$caller, $cb];	1173	push @{ $COMMAND{$name} }, [$caller, $cb];
934	}	1174	}
935		1175
936	=item cf::register_extcmd $name => \&callback($pl,$packet);	1176	=item cf::register_extcmd $name => \&callback($pl,$packet);
937		1177
938	Register a callbackf ro execution when the client sends an extcmd packet.	1178	Register a callback for execution when the client sends an (synchronous)
		1179	extcmd packet. Ext commands will be processed in the order they are
		1180	received by the server, like other user commands. The first argument is
		1181	the logged-in player. Ext commands can only be processed after a player
		1182	has logged in successfully.
939		1183
940	If the callback returns something, it is sent back as if reply was being	1184	If the callback returns something, it is sent back as if reply was being
941	called.	1185	called.
942		1186
		1187	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1188
		1189	Register a callback for execution when the client sends an (asynchronous)
		1190	exticmd packet. Exti commands are processed by the server as soon as they
		1191	are received, i.e. out of order w.r.t. other commands. The first argument
		1192	is a client socket. Exti commands can be received anytime, even before
		1193	log-in.
		1194
		1195	If the callback returns something, it is sent back as if reply was being
		1196	called.
		1197
943	=cut	1198	=cut
944		1199
945	sub register_extcmd {	1200	sub register_extcmd {
946	my ($name, $cb) = @_;	1201	my ($name, $cb) = @_;
947		1202
948	$EXTCMD{$name} = $cb;	1203	$EXTCMD{$name} = $cb;
		1204	}
		1205
		1206	sub register_exticmd {
		1207	my ($name, $cb) = @_;
		1208
		1209	$EXTICMD{$name} = $cb;
949	}	1210	}
950		1211
951	cf::player->attach (	1212	cf::player->attach (
952	on_command => sub {	1213	on_command => sub {
953	my ($pl, $name, $params) = @_;	1214	my ($pl, $name, $params) = @_;
…		…
962	cf::override;	1223	cf::override;
963	},	1224	},
964	on_extcmd => sub {	1225	on_extcmd => sub {
965	my ($pl, $buf) = @_;	1226	my ($pl, $buf) = @_;
966		1227
967	my $msg = eval { from_json $buf };	1228	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
968		1229
969	if (ref $msg) {	1230	if (ref $msg) {
		1231	my ($type, $reply, @payload) =
		1232	"ARRAY" eq ref $msg
		1233	? @$msg
		1234	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1235
		1236	my @reply;
		1237
970	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1238	if (my $cb = $EXTCMD{$type}) {
971	if (my %reply = $cb->($pl, $msg)) {	1239	@reply = $cb->($pl, @payload);
972	$pl->ext_reply ($msg->{msgid}, %reply);
973	}
974	}	1240	}
		1241
		1242	$pl->ext_reply ($reply, @reply)
		1243	if $reply;
		1244
975	} else {	1245	} else {
976	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1246	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
977	}	1247	}
978		1248
979	cf::override;	1249	cf::override;
980	},	1250	},
981	);	1251	);
982		1252
983	sub load_extension {
984	my ($path) = @_;
985
986	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
987	my $base = $1;
988	my $pkg = $1;
989	$pkg =~ s/[^[:word:]]/_/g;
990	$pkg = "ext::$pkg";
991
992	warn "loading '$path' into '$pkg'\n";
993
994	open my $fh, "<:utf8", $path
995	or die "$path: $!";
996
997	my $source =
998	"package $pkg; use strict; use utf8;\n"
999	. "#line 1 \"$path\"\n{\n"
1000	. (do { local $/; <$fh> })
1001	. "\n};\n1";
1002
1003	eval $source
1004	or die $@ ? "$path: $@\n"
1005	: "extension disabled.\n";
1006
1007	push @EXTS, $pkg;
1008	}
1009
1010	sub load_extensions {	1253	sub load_extensions {
		1254	cf::sync_job {
		1255	my %todo;
		1256
1011	for my $ext (<$LIBDIR/*.ext>) {	1257	for my $path (<$LIBDIR/*.ext>) {
1012	next unless -r $ext;	1258	next unless -r $path;
1013	eval {	1259
1014	load_extension $ext;	1260	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1261	my $base = $1;
		1262	my $pkg = $1;
		1263	$pkg =~ s/[^[:word:]]/_/g;
		1264	$pkg = "ext::$pkg";
		1265
		1266	open my $fh, "<:utf8", $path
		1267	or die "$path: $!";
		1268
		1269	my $source = do { local $/; <$fh> };
		1270
		1271	my %ext = (
		1272	path => $path,
		1273	base => $base,
		1274	pkg => $pkg,
		1275	);
		1276
		1277	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1278	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1279
		1280	$ext{source} =
		1281	"package $pkg; use strict; use utf8;\n"
		1282	. "#line 1 \"$path\"\n{\n"
		1283	. $source
		1284	. "\n};\n1";
		1285
		1286	$todo{$base} = \%ext;
		1287	}
		1288
		1289	my %done;
		1290	while (%todo) {
		1291	my $progress;
		1292
		1293	while (my ($k, $v) = each %todo) {
		1294	for (split /,\s*/, $v->{meta}{depends}) {
		1295	goto skip
		1296	unless exists $done{$_};
		1297	}
		1298
		1299	warn "... loading '$k' into '$v->{pkg}'\n";
		1300
		1301	unless (eval $v->{source}) {
		1302	my $msg = $@ ? "$v->{path}: $@\n"
		1303	: "$v->{base}: extension inactive.\n";
		1304
		1305	if (exists $v->{meta}{mandatory}) {
		1306	warn $msg;
		1307	warn "mandatory extension failed to load, exiting.\n";
		1308	exit 1;
		1309	}
		1310
		1311	warn $msg;
		1312	}
		1313
		1314	$done{$k} = delete $todo{$k};
		1315	push @EXTS, $v->{pkg};
		1316	$progress = 1;
1015	1	1317	}
1016	} or warn "$ext not loaded: $@";	1318
		1319	skip:
		1320	die "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n"
		1321	unless $progress;
		1322	}
1017	}	1323	};
1018	}	1324	}
1019		1325
1020	#############################################################################	1326	#############################################################################
1021	# load/save/clean perl data associated with a map
1022		1327
1023	*cf::mapsupport::on_clean = sub {	1328	=back
1024	my ($map) = @_;
1025
1026	my $path = $map->tmpname;
1027	defined $path or return;
1028
1029	unlink "$path.pst";
1030	};
1031
1032	cf::map->attach (prio => -10000, package => cf::mapsupport::);
1033
1034	#############################################################################
1035		1329
1036	=head2 CORE EXTENSIONS	1330	=head2 CORE EXTENSIONS
1037		1331
1038	Functions and methods that extend core crossfire objects.	1332	Functions and methods that extend core crossfire objects.
1039		1333
…		…
1045		1339
1046	=head3 cf::player	1340	=head3 cf::player
1047		1341
1048	=over 4	1342	=over 4
1049		1343
		1344	=item cf::player::num_playing
		1345
		1346	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1347
		1348	=cut
		1349
		1350	sub num_playing {
		1351	scalar grep
		1352	$_->ob->map
		1353	&& !$_->hidden
		1354	&& !$_->ob->flag (cf::FLAG_WIZ),
		1355	cf::player::list
		1356	}
		1357
1050	=item cf::player::find $login	1358	=item cf::player::find $login
1051		1359
1052	Returns the given player object, loading it if necessary (might block).	1360	Returns the given player object, loading it if necessary (might block).
1053		1361
1054	=cut	1362	=cut
1055		1363
1056	sub playerdir($) {	1364	sub playerdir($) {
1057	cf::localdir	1365	"$PLAYERDIR/"
1058	. "/"
1059	. cf::playerdir
1060	. "/"
1061	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1366	. (ref $_[0] ? $_[0]->ob->name : $_[0])
1062	}	1367	}
1063		1368
1064	sub path($) {	1369	sub path($) {
1065	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1370	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1066		1371
1067	(playerdir $login) . "/$login.pl"	1372	(playerdir $login) . "/playerdata"
1068	}	1373	}
1069		1374
1070	sub find_active($) {	1375	sub find_active($) {
1071	$cf::PLAYER{$_[0]}	1376	$cf::PLAYER{$_[0]}
1072	and $cf::PLAYER{$_[0]}->active	1377	and $cf::PLAYER{$_[0]}->active
…		…
1075		1380
1076	sub exists($) {	1381	sub exists($) {
1077	my ($login) = @_;	1382	my ($login) = @_;
1078		1383
1079	$cf::PLAYER{$login}	1384	$cf::PLAYER{$login}
1080	or cf::sync_job { !aio_stat $login }	1385	or cf::sync_job { !aio_stat path $login }
1081	}	1386	}
1082		1387
1083	sub find($) {	1388	sub find($) {
1084	return $cf::PLAYER{$_[0]} || do {	1389	return $cf::PLAYER{$_[0]} || do {
1085	my $login = $_[0];	1390	my $login = $_[0];
1086		1391
1087	my $guard = cf::lock_acquire "user_find:$login";	1392	my $guard = cf::lock_acquire "user_find:$login";
1088		1393
1089	$cf::PLAYER{$_[0]} || do {	1394	$cf::PLAYER{$_[0]} || do {
1090	my $pl = load_pl path $login	1395	# rename old playerfiles to new ones
		1396	#TODO: remove when no longer required
		1397	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1398	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1399	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1400	aio_unlink +(playerdir $login) . "/$login.pl";
		1401
		1402	my $f = new_from_file cf::object::thawer path $login
1091	or return;	1403	or return;
		1404
		1405	my $pl = cf::player::load_pl $f
		1406	or return;
		1407	local $cf::PLAYER_LOADING{$login} = $pl;
		1408	$f->resolve_delayed_derefs;
1092	$cf::PLAYER{$login} = $pl	1409	$cf::PLAYER{$login} = $pl
1093	}	1410	}
1094	}	1411	}
1095	}	1412	}
1096		1413
…		…
1106		1423
1107	aio_mkdir playerdir $pl, 0770;	1424	aio_mkdir playerdir $pl, 0770;
1108	$pl->{last_save} = $cf::RUNTIME;	1425	$pl->{last_save} = $cf::RUNTIME;
1109		1426
1110	$pl->save_pl ($path);	1427	$pl->save_pl ($path);
1111	Coro::cede;	1428	cf::cede_to_tick;
1112	}	1429	}
1113		1430
1114	sub new($) {	1431	sub new($) {
1115	my ($login) = @_;	1432	my ($login) = @_;
1116		1433
…		…
1122	$cf::PLAYER{$login} = $self;	1439	$cf::PLAYER{$login} = $self;
1123		1440
1124	$self	1441	$self
1125	}	1442	}
1126		1443
		1444	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1445
		1446	=cut
		1447
		1448	sub send_msg {
		1449	my $ns = shift->ns
		1450	or return;
		1451	$ns->send_msg (@_);
		1452	}
		1453
1127	=item $pl->quit_character	1454	=item $pl->quit_character
1128		1455
1129	Nukes the player without looking back. If logged in, the connection will	1456	Nukes the player without looking back. If logged in, the connection will
1130	be destroyed. May block for a long time.	1457	be destroyed. May block for a long time.
1131		1458
1132	=cut	1459	=cut
1133		1460
1134	sub quit_character {	1461	sub quit_character {
1135	my ($pl) = @_;	1462	my ($pl) = @_;
		1463
		1464	my $name = $pl->ob->name;
1136		1465
1137	$pl->{deny_save} = 1;	1466	$pl->{deny_save} = 1;
1138	$pl->password ("*"); # this should lock out the player until we nuked the dir	1467	$pl->password ("*"); # this should lock out the player until we nuked the dir
1139		1468
1140	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1469	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
…		…
1145	my $path = playerdir $pl;	1474	my $path = playerdir $pl;
1146	my $temp = "$path~$cf::RUNTIME~deleting~";	1475	my $temp = "$path~$cf::RUNTIME~deleting~";
1147	aio_rename $path, $temp;	1476	aio_rename $path, $temp;
1148	delete $cf::PLAYER{$pl->ob->name};	1477	delete $cf::PLAYER{$pl->ob->name};
1149	$pl->destroy;	1478	$pl->destroy;
		1479
		1480	my $prefix = qr<^~\Q$name\E/>;
		1481
		1482	# nuke player maps
		1483	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1484
1150	IO::AIO::aio_rmtree $temp;	1485	IO::AIO::aio_rmtree $temp;
		1486	}
		1487
		1488	=item $pl->kick
		1489
		1490	Kicks a player out of the game. This destroys the connection.
		1491
		1492	=cut
		1493
		1494	sub kick {
		1495	my ($pl, $kicker) = @_;
		1496
		1497	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1498	$pl->killer ("kicked");
		1499	$pl->ns->destroy;
1151	}	1500	}
1152		1501
1153	=item cf::player::list_logins	1502	=item cf::player::list_logins
1154		1503
1155	Returns am arrayref of all valid playernames in the system, can take a	1504	Returns am arrayref of all valid playernames in the system, can take a
1156	while and may block, so not sync_job-capable, ever.	1505	while and may block, so not sync_job-capable, ever.
1157		1506
1158	=cut	1507	=cut
1159		1508
1160	sub list_logins {	1509	sub list_logins {
1161	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1510	my $dirs = aio_readdir $PLAYERDIR
1162	or return [];	1511	or return [];
1163		1512
1164	my @logins;	1513	my @logins;
1165		1514
1166	for my $login (@$dirs) {	1515	for my $login (@$dirs) {
		1516	my $path = path $login;
		1517
		1518	# a .pst is a dead give-away for a valid player
		1519	unless (-e "$path.pst") {
1167	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1520	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1168	aio_read $fh, 0, 512, my $buf, 0 or next;	1521	aio_read $fh, 0, 512, my $buf, 0 or next;
1169	$buf !~ /^password -------------$/m or next; # official not-valid tag	1522	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1523	}
1170		1524
1171	utf8::decode $login;	1525	utf8::decode $login;
1172	push @logins, $login;	1526	push @logins, $login;
1173	}	1527	}
1174		1528
1175	\@logins	1529	\@logins
1176	}	1530	}
1177		1531
1178	=item $player->maps	1532	=item $player->maps
1179		1533
1180	Returns an arrayref of cf::path's of all maps that are private for this	1534	Returns an arrayref of map paths that are private for this
1181	player. May block.	1535	player. May block.
1182		1536
1183	=cut	1537	=cut
1184		1538
1185	sub maps($) {	1539	sub maps($) {
1186	my ($pl) = @_;	1540	my ($pl) = @_;
		1541
		1542	$pl = ref $pl ? $pl->ob->name : $pl;
1187		1543
1188	my $files = aio_readdir playerdir $pl	1544	my $files = aio_readdir playerdir $pl
1189	or return;	1545	or return;
1190		1546
1191	my @paths;	1547	my @paths;
…		…
1193	for (@$files) {	1549	for (@$files) {
1194	utf8::decode $_;	1550	utf8::decode $_;
1195	next if /\.(?:pl|pst)$/;	1551	next if /\.(?:pl|pst)$/;
1196	next unless /^$PATH_SEP/o;	1552	next unless /^$PATH_SEP/o;
1197		1553
1198	push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;	1554	push @paths, cf::map::normalise "~$pl/$_";
1199	}	1555	}
1200		1556
1201	\@paths	1557	\@paths
1202	}	1558	}
1203		1559
		1560	=item $protocol_xml = $player->expand_cfpod ($crossfire_pod)
		1561
		1562	Expand crossfire pod fragments into protocol xml.
		1563
		1564	=cut
		1565
		1566	use re 'eval';
		1567
		1568	my $group;
		1569	my $interior; $interior = qr{
		1570	# match a pod interior sequence sans C<< >>
		1571	(?:
		1572	\ (.*?)\ (?{ $group = $^N })
		1573	| < (??{$interior}) >
		1574	)
		1575	}x;
		1576
		1577	sub expand_cfpod {
		1578	my ($self, $pod) = @_;
		1579
		1580	my $xml;
		1581
		1582	while () {
		1583	if ($pod =~ /\G( (?: [^BCGHITU]+ | .(?!<) )+ )/xgcs) {
		1584	$group = $1;
		1585
		1586	$group =~ s/&/&amp;/g;
		1587	$group =~ s/</&lt;/g;
		1588
		1589	$xml .= $group;
		1590	} elsif ($pod =~ m%\G
		1591	([BCGHITU])
		1592	<
		1593	(?:
		1594	([^<>]*) (?{ $group = $^N })
		1595	| < $interior >
		1596	)
		1597	>
		1598	%gcsx
		1599	) {
		1600	my ($code, $data) = ($1, $group);
		1601
		1602	if ($code eq "B") {
		1603	$xml .= "<b>" . expand_cfpod ($self, $data) . "</b>";
		1604	} elsif ($code eq "I") {
		1605	$xml .= "<i>" . expand_cfpod ($self, $data) . "</i>";
		1606	} elsif ($code eq "U") {
		1607	$xml .= "<u>" . expand_cfpod ($self, $data) . "</u>";
		1608	} elsif ($code eq "C") {
		1609	$xml .= "<tt>" . expand_cfpod ($self, $data) . "</tt>";
		1610	} elsif ($code eq "T") {
		1611	$xml .= "<big><b>" . expand_cfpod ($self, $data) . "</b></big>";
		1612	} elsif ($code eq "G") {
		1613	my ($male, $female) = split /\|/, $data;
		1614	$data = $self->gender ? $female : $male;
		1615	$xml .= expand_cfpod ($self, $data);
		1616	} elsif ($code eq "H") {
		1617	$xml .= ("<fg name=\"lightblue\">[" . expand_cfpod ($self, $data) . " (Use hintmode to suppress hints)]</fg>",
		1618	"<fg name=\"lightblue\">[Hint suppressed, see hintmode]</fg>",
		1619	"")
		1620	[$self->{hintmode}];
		1621	} else {
		1622	$xml .= "error processing '$code($data)' directive";
		1623	}
		1624	} else {
		1625	if ($pod =~ /\G(.+)/) {
		1626	warn "parse error while expanding $pod (at $1)";
		1627	}
		1628	last;
		1629	}
		1630	}
		1631
		1632	for ($xml) {
		1633	# create single paragraphs (very hackish)
		1634	s/(?<=\S)\n(?=\w)/ /g;
		1635
		1636	# compress some whitespace
		1637	s/\s+\n/\n/g; # ws line-ends
		1638	s/\n\n+/\n/g; # double lines
		1639	s/^\n+//; # beginning lines
		1640	s/\n+$//; # ending lines
		1641	}
		1642
		1643	$xml
		1644	}
		1645
		1646	no re 'eval';
		1647
		1648	sub hintmode {
		1649	$_[0]{hintmode} = $_[1] if @_ > 1;
		1650	$_[0]{hintmode}
		1651	}
		1652
1204	=item $player->ext_reply ($msgid, $msgtype, %msg)	1653	=item $player->ext_reply ($msgid, @msg)
1205		1654
1206	Sends an ext reply to the player.	1655	Sends an ext reply to the player.
1207		1656
1208	=cut	1657	=cut
1209		1658
1210	sub ext_reply($$$%) {	1659	sub ext_reply($$@) {
1211	my ($self, $id, %msg) = @_;	1660	my ($self, $id, @msg) = @_;
1212		1661
1213	$msg{msgid} = $id;	1662	$self->ns->ext_reply ($id, @msg)
1214
1215	$self->send ("ext " . cf::to_json \%msg);
1216	}	1663	}
1217		1664
1218	package cf;	1665	=item $player->ext_msg ($type, @msg)
		1666
		1667	Sends an ext event to the client.
		1668
		1669	=cut
		1670
		1671	sub ext_msg($$@) {
		1672	my ($self, $type, @msg) = @_;
		1673
		1674	$self->ns->ext_msg ($type, @msg);
		1675	}
		1676
		1677	=head3 cf::region
		1678
		1679	=over 4
		1680
		1681	=cut
		1682
		1683	package cf::region;
		1684
		1685	=item cf::region::find_by_path $path
		1686
		1687	Tries to decuce the likely region for a map knowing only its path.
		1688
		1689	=cut
		1690
		1691	sub find_by_path($) {
		1692	my ($path) = @_;
		1693
		1694	my ($match, $specificity);
		1695
		1696	for my $region (list) {
		1697	if ($region->{match} && $path =~ $region->{match}) {
		1698	($match, $specificity) = ($region, $region->specificity)
		1699	if $region->specificity > $specificity;
		1700	}
		1701	}
		1702
		1703	$match
		1704	}
1219		1705
1220	=back	1706	=back
1221
1222		1707
1223	=head3 cf::map	1708	=head3 cf::map
1224		1709
1225	=over 4	1710	=over 4
1226		1711
…		…
1229	package cf::map;	1714	package cf::map;
1230		1715
1231	use Fcntl;	1716	use Fcntl;
1232	use Coro::AIO;	1717	use Coro::AIO;
1233		1718
		1719	use overload
		1720	'""' => \&as_string,
		1721	fallback => 1;
		1722
1234	our $MAX_RESET = 3600;	1723	our $MAX_RESET = 3600;
1235	our $DEFAULT_RESET = 3000;	1724	our $DEFAULT_RESET = 3000;
1236		1725
1237	sub generate_random_map {	1726	sub generate_random_map {
1238	my ($path, $rmp) = @_;	1727	my ($self, $rmp) = @_;
1239
1240	# mit "rum" bekleckern, nicht	1728	# mit "rum" bekleckern, nicht
1241	cf::map::_create_random_map	1729	$self->_create_random_map (
1242	$path,
1243	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1730	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1244	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1731	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1245	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1732	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1246	$rmp->{exit_on_final_map},	1733	$rmp->{exit_on_final_map},
1247	$rmp->{xsize}, $rmp->{ysize},	1734	$rmp->{xsize}, $rmp->{ysize},
1248	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1735	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1249	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1736	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1250	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1737	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1251	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1738	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1252	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1739	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1253	(cf::region::find $rmp->{region})	1740	(cf::region::find $rmp->{region}), $rmp->{custom}
		1741	)
		1742	}
		1743
		1744	=item cf::map->register ($regex, $prio)
		1745
		1746	Register a handler for the map path matching the given regex at the
		1747	givne priority (higher is better, built-in handlers have priority 0, the
		1748	default).
		1749
		1750	=cut
		1751
		1752	sub register {
		1753	my (undef, $regex, $prio) = @_;
		1754	my $pkg = caller;
		1755
		1756	no strict;
		1757	push @{"$pkg\::ISA"}, __PACKAGE__;
		1758
		1759	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1760	}
		1761
		1762	# also paths starting with '/'
		1763	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1764
		1765	sub thawer_merge {
		1766	my ($self, $merge) = @_;
		1767
		1768	# we have to keep some variables in memory intact
		1769	local $self->{path};
		1770	local $self->{load_path};
		1771
		1772	$self->SUPER::thawer_merge ($merge);
		1773	}
		1774
		1775	sub normalise {
		1776	my ($path, $base) = @_;
		1777
		1778	$path = "$path"; # make sure its a string
		1779
		1780	$path =~ s/\.map$//;
		1781
		1782	# map plan:
		1783	#
		1784	# /! non-realised random map exit (special hack!)
		1785	# {... are special paths that are not being touched
		1786	# ?xxx/... are special absolute paths
		1787	# ?random/... random maps
		1788	# /... normal maps
		1789	# ~user/... per-player map of a specific user
		1790
		1791	$path =~ s/$PATH_SEP/\//go;
		1792
		1793	# treat it as relative path if it starts with
		1794	# something that looks reasonable
		1795	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1796	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1797
		1798	$base =~ s{[^/]+/?$}{};
		1799	$path = "$base/$path";
		1800	}
		1801
		1802	for ($path) {
		1803	redo if s{//}{/};
		1804	redo if s{/\.?/}{/};
		1805	redo if s{/[^/]+/\.\./}{/};
		1806	}
		1807
		1808	$path
		1809	}
		1810
		1811	sub new_from_path {
		1812	my (undef, $path, $base) = @_;
		1813
		1814	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1815
		1816	$path = normalise $path, $base;
		1817
		1818	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1819	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1820	my $self = bless cf::map::new, $pkg;
		1821	$self->{path} = $path; $self->path ($path);
		1822	$self->init; # pass $1 etc.
		1823	return $self;
		1824	}
		1825	}
		1826
		1827	Carp::cluck "unable to resolve path '$path' (base '$base').";
		1828	()
		1829	}
		1830
		1831	sub init {
		1832	my ($self) = @_;
		1833
		1834	$self
		1835	}
		1836
		1837	sub as_string {
		1838	my ($self) = @_;
		1839
		1840	"$self->{path}"
		1841	}
		1842
		1843	# the displayed name, this is a one way mapping
		1844	sub visible_name {
		1845	&as_string
		1846	}
		1847
		1848	# the original (read-only) location
		1849	sub load_path {
		1850	my ($self) = @_;
		1851
		1852	"$MAPDIR/$self->{path}.map"
		1853	}
		1854
		1855	# the temporary/swap location
		1856	sub save_path {
		1857	my ($self) = @_;
		1858
		1859	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1860	"$TMPDIR/$path.map"
		1861	}
		1862
		1863	# the unique path, undef == no special unique path
		1864	sub uniq_path {
		1865	my ($self) = @_;
		1866
		1867	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1868	"$UNIQUEDIR/$path"
1254	}	1869	}
1255		1870
1256	# and all this just because we cannot iterate over	1871	# and all this just because we cannot iterate over
1257	# all maps in C++...	1872	# all maps in C++...
1258	sub change_all_map_light {	1873	sub change_all_map_light {
…		…
1260		1875
1261	$_->change_map_light ($change)	1876	$_->change_map_light ($change)
1262	for grep $_->outdoor, values %cf::MAP;	1877	for grep $_->outdoor, values %cf::MAP;
1263	}	1878	}
1264		1879
		1880	sub decay_objects {
		1881	my ($self) = @_;
		1882
		1883	return if $self->{deny_reset};
		1884
		1885	$self->do_decay_objects;
		1886	}
		1887
		1888	sub unlink_save {
		1889	my ($self) = @_;
		1890
		1891	utf8::encode (my $save = $self->save_path);
		1892	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1893	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1894	}
		1895
1265	sub try_load_header($) {	1896	sub load_header_from($) {
1266	my ($path) = @_;	1897	my ($self, $path) = @_;
1267		1898
1268	utf8::encode $path;	1899	utf8::encode $path;
1269	aio_open $path, O_RDONLY, 0	1900	my $f = new_from_file cf::object::thawer $path
1270	or return;	1901	or return;
1271		1902
1272	my $map = cf::map::new	1903	$self->_load_header ($f)
1273	or return;	1904	or return;
1274		1905
1275	# for better error messages only, will be overwritten	1906	local $MAP_LOADING{$self->{path}} = $self;
1276	$map->path ($path);	1907	$f->resolve_delayed_derefs;
1277		1908
1278	$map->load_header ($path)	1909	$self->{load_path} = $path;
		1910
		1911	1
		1912	}
		1913
		1914	sub load_header_orig {
		1915	my ($self) = @_;
		1916
		1917	$self->load_header_from ($self->load_path)
		1918	}
		1919
		1920	sub load_header_temp {
		1921	my ($self) = @_;
		1922
		1923	$self->load_header_from ($self->save_path)
		1924	}
		1925
		1926	sub prepare_temp {
		1927	my ($self) = @_;
		1928
		1929	$self->last_access ((delete $self->{last_access})
		1930	|| $cf::RUNTIME); #d#
		1931	# safety
		1932	$self->{instantiate_time} = $cf::RUNTIME
		1933	if $self->{instantiate_time} > $cf::RUNTIME;
		1934	}
		1935
		1936	sub prepare_orig {
		1937	my ($self) = @_;
		1938
		1939	$self->{load_original} = 1;
		1940	$self->{instantiate_time} = $cf::RUNTIME;
		1941	$self->last_access ($cf::RUNTIME);
		1942	$self->instantiate;
		1943	}
		1944
		1945	sub load_header {
		1946	my ($self) = @_;
		1947
		1948	if ($self->load_header_temp) {
		1949	$self->prepare_temp;
		1950	} else {
		1951	$self->load_header_orig
1279	or return;	1952	or return;
		1953	$self->prepare_orig;
		1954	}
1280		1955
1281	$map->{load_path} = $path;	1956	$self->{deny_reset} = 1
		1957	if $self->no_reset;
1282		1958
1283	$map	1959	$self->default_region (cf::region::find_by_path $self->{path})
		1960	unless $self->default_region;
		1961
		1962	1
1284	}	1963	}
1285		1964
1286	sub find;	1965	sub find;
1287	sub find {	1966	sub find {
1288	my ($path, $origin) = @_;	1967	my ($path, $origin) = @_;
1289		1968
1290	#warn "find<$path,$origin>\n";#d#
1291
1292	$path = new cf::path $path, $origin && $origin->path;	1969	$path = normalise $path, $origin && $origin->path;
1293	my $key = $path->as_string;
1294		1970
		1971	cf::lock_wait "map_data:$path";#d#remove
1295	cf::lock_wait "map_find:$key";	1972	cf::lock_wait "map_find:$path";
1296		1973
1297	$cf::MAP{$key} || do {	1974	$cf::MAP{$path} || do {
1298	my $guard = cf::lock_acquire "map_find:$key";	1975	my $guard1 = cf::lock_acquire "map_find:$path";
		1976	my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1299		1977
1300	# do it the slow way	1978	my $map = new_from_path cf::map $path
1301	my $map = try_load_header $path->save_path;
1302
1303	Coro::cede;
1304
1305	if ($map) {
1306	$map->last_access ((delete $map->{last_access})
1307	|| $cf::RUNTIME); #d#
1308	# safety
1309	$map->{instantiate_time} = $cf::RUNTIME
1310	if $map->{instantiate_time} > $cf::RUNTIME;
1311	} else {
1312	if (my $rmp = $path->random_map_params) {
1313	$map = generate_random_map $key, $rmp;
1314	} else {
1315	$map = try_load_header $path->load_path;
1316	}
1317
1318	$map or return;	1979	or return;
1319		1980
1320	$map->{load_original} = 1;
1321	$map->{instantiate_time} = $cf::RUNTIME;
1322	$map->last_access ($cf::RUNTIME);
1323	$map->instantiate;
1324
1325	# per-player maps become, after loading, normal maps
1326	$map->per_player (0) if $path->{user_rel};
1327	}
1328
1329	$map->path ($key);
1330	$map->{path} = $path;
1331	$map->{last_save} = $cf::RUNTIME;	1981	$map->{last_save} = $cf::RUNTIME;
1332		1982
1333	Coro::cede;	1983	$map->load_header
		1984	or return;
1334		1985
1335	if ($map->should_reset) {	1986	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		1987	# doing this can freeze the server in a sync job, obviously
		1988	#$cf::WAIT_FOR_TICK->wait;
		1989	undef $guard1;
		1990	undef $guard2;
1336	$map->reset;	1991	$map->reset;
1337	undef $guard;
1338	$map = find $path	1992	return find $path;
1339	or return;
1340	}	1993	}
1341		1994
1342	$cf::MAP{$key} = $map	1995	$cf::MAP{$path} = $map
1343	}	1996	}
1344	}	1997	}
		1998
		1999	sub pre_load { }
		2000	sub post_load { }
1345		2001
1346	sub load {	2002	sub load {
1347	my ($self) = @_;	2003	my ($self) = @_;
1348		2004
		2005	local $self->{deny_reset} = 1; # loading can take a long time
		2006
1349	my $path = $self->{path};	2007	my $path = $self->{path};
		2008
		2009	{
1350	my $guard = cf::lock_acquire "map_load:" . $path->as_string;	2010	my $guard = cf::lock_acquire "map_data:$path";
1351		2011
		2012	return unless $self->valid;
1352	return if $self->in_memory != cf::MAP_SWAPPED;	2013	return unless $self->in_memory == cf::MAP_SWAPPED;
1353		2014
1354	$self->in_memory (cf::MAP_LOADING);	2015	$self->in_memory (cf::MAP_LOADING);
1355		2016
1356	$self->alloc;	2017	$self->alloc;
1357	$self->load_objects ($self->{load_path}, 1)	2018
		2019	$self->pre_load;
		2020	cf::cede_to_tick;
		2021
		2022	my $f = new_from_file cf::object::thawer $self->{load_path};
		2023	$f->skip_block;
		2024	$self->_load_objects ($f)
1358	or return;	2025	or return;
1359		2026
1360	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2027	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1361	if delete $self->{load_original};	2028	if delete $self->{load_original};
1362		2029
1363	if (my $uniq = $path->uniq_path) {	2030	if (my $uniq = $self->uniq_path) {
1364	utf8::encode $uniq;	2031	utf8::encode $uniq;
1365	if (aio_open $uniq, O_RDONLY, 0) {	2032	unless (aio_stat $uniq) {
		2033	if (my $f = new_from_file cf::object::thawer $uniq) {
1366	$self->clear_unique_items;	2034	$self->clear_unique_items;
1367	$self->load_objects ($uniq, 0);	2035	$self->_load_objects ($f);
		2036	$f->resolve_delayed_derefs;
		2037	}
1368	}	2038	}
1369	}	2039	}
1370		2040
1371	Coro::cede;	2041	$f->resolve_delayed_derefs;
1372		2042
		2043	cf::cede_to_tick;
1373	# now do the right thing for maps	2044	# now do the right thing for maps
1374	$self->link_multipart_objects;	2045	$self->link_multipart_objects;
1375
1376	if ($self->{path}->is_style_map) {
1377	$self->{deny_save} = 1;
1378	$self->{deny_reset} = 1;
1379	} else {
1380	$self->fix_auto_apply;
1381	$self->decay_objects;
1382	$self->update_buttons;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2046	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2047	unless $self->difficulty;
		2048	cf::cede_to_tick;
		2049
		2050	unless ($self->{deny_activate}) {
		2051	$self->decay_objects;
		2052	$self->fix_auto_apply;
		2053	$self->update_buttons;
		2054	cf::cede_to_tick;
		2055	$self->set_darkness_map;
		2056	cf::cede_to_tick;
1386	$self->activate;	2057	$self->activate;
1387	}	2058	}
1388		2059
1389	Coro::cede;	2060	$self->{last_save} = $cf::RUNTIME;
		2061	$self->last_access ($cf::RUNTIME);
1390		2062
1391	$self->in_memory (cf::MAP_IN_MEMORY);	2063	$self->in_memory (cf::MAP_IN_MEMORY);
		2064	}
		2065
		2066	$self->post_load;
		2067	}
		2068
		2069	sub customise_for {
		2070	my ($self, $ob) = @_;
		2071
		2072	return find "~" . $ob->name . "/" . $self->{path}
		2073	if $self->per_player;
		2074
		2075	# return find "?party/" . $ob->name . "/" . $self->{path}
		2076	# if $self->per_party;
		2077
		2078	$self
1392	}	2079	}
1393		2080
1394	# find and load all maps in the 3x3 area around a map	2081	# find and load all maps in the 3x3 area around a map
1395	sub load_diag {	2082	sub load_neighbours {
1396	my ($map) = @_;	2083	my ($map) = @_;
1397		2084
1398	my @diag; # diagonal neighbours	2085	my @neigh; # diagonal neighbours
1399		2086
1400	for (0 .. 3) {	2087	for (0 .. 3) {
1401	my $neigh = $map->tile_path ($_)	2088	my $neigh = $map->tile_path ($_)
1402	or next;	2089	or next;
1403	$neigh = find $neigh, $map	2090	$neigh = find $neigh, $map
1404	or next;	2091	or next;
1405	$neigh->load;	2092	$neigh->load;
1406		2093
		2094	push @neigh,
1407	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2095	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1408	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2096	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1409	}	2097	}
1410		2098
1411	for (@diag) {	2099	for (grep defined $_->[0], @neigh) {
		2100	my ($path, $origin) = @$_;
1412	my $neigh = find @$_	2101	my $neigh = find $path, $origin
1413	or next;	2102	or next;
1414	$neigh->load;	2103	$neigh->load;
1415	}	2104	}
1416	}	2105	}
1417		2106
…		…
1422	}	2111	}
1423		2112
1424	sub do_load_sync {	2113	sub do_load_sync {
1425	my ($map) = @_;	2114	my ($map) = @_;
1426		2115
		2116	cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
		2117	if $Coro::current == $Coro::main;
		2118
1427	cf::sync_job { $map->load };	2119	cf::sync_job { $map->load };
1428	}	2120	}
1429		2121
1430	our %MAP_PREFETCH;	2122	our %MAP_PREFETCH;
		2123	our $MAP_PREFETCHER = undef;
		2124
		2125	sub find_async {
		2126	my ($path, $origin, $load) = @_;
		2127
		2128	$path = normalise $path, $origin && $origin->{path};
		2129
		2130	if (my $map = $cf::MAP{$path}) {
		2131	return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
		2132	}
		2133
		2134	$MAP_PREFETCH{$path} |= $load;
		2135
1431	our $MAP_PREFETCHER = Coro::async {	2136	$MAP_PREFETCHER ||= cf::async {
1432	while () {	2137	$Coro::current->{desc} = "map prefetcher";
		2138
1433	while (%MAP_PREFETCH) {	2139	while (%MAP_PREFETCH) {
1434	my $key = each %MAP_PREFETCH	2140	while (my ($k, $v) = each %MAP_PREFETCH) {
1435	or next;	2141	if (my $map = find $k) {
		2142	$map->load if $v;
		2143	}
		2144
1436	my $path = delete $MAP_PREFETCH{$key};	2145	delete $MAP_PREFETCH{$k};
1437
1438	my $map = find $path
1439	or next;
1440	$map->load;
1441	}	2146	}
1442	Coro::schedule;	2147	}
		2148	undef $MAP_PREFETCHER;
1443	}	2149	};
1444	};
1445
1446	sub find_async {
1447	my ($path, $origin) = @_;
1448
1449	$path = new cf::path $path, $origin && $origin->path;
1450	my $key = $path->as_string;
1451
1452	if (my $map = $cf::MAP{$key}) {
1453	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1454	}
1455
1456	$MAP_PREFETCH{$key} = $path;
1457	$MAP_PREFETCHER->ready;	2150	$MAP_PREFETCHER->prio (6);
1458		2151
1459	()	2152	()
1460	}	2153	}
1461		2154
1462	sub save {	2155	sub save {
1463	my ($self) = @_;	2156	my ($self) = @_;
1464		2157
1465	my $lock = cf::lock_acquire "map_data:" . $self->path;	2158	my $lock = cf::lock_acquire "map_data:$self->{path}";
1466		2159
1467	$self->{last_save} = $cf::RUNTIME;	2160	$self->{last_save} = $cf::RUNTIME;
1468		2161
1469	return unless $self->dirty;	2162	return unless $self->dirty;
1470		2163
1471	my $save = $self->{path}->save_path; utf8::encode $save;	2164	my $save = $self->save_path; utf8::encode $save;
1472	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;	2165	my $uniq = $self->uniq_path; utf8::encode $uniq;
1473		2166
1474	$self->{load_path} = $save;	2167	$self->{load_path} = $save;
1475		2168
1476	return if $self->{deny_save};	2169	return if $self->{deny_save};
1477		2170
1478	local $self->{last_access} = $self->last_access;#d#	2171	local $self->{last_access} = $self->last_access;#d#
1479		2172
1480	cf::async {	2173	cf::async {
		2174	$Coro::current->{desc} = "map player save";
1481	$_->contr->save for $self->players;	2175	$_->contr->save for $self->players;
1482	};	2176	};
1483		2177
1484	if ($uniq) {	2178	if ($uniq) {
1485	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2179	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1486	$self->save_objects ($uniq, cf::IO_UNIQUES);	2180	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1487	} else {	2181	} else {
1488	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2182	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1489	}	2183	}
1490	}	2184	}
1491		2185
1492	sub swap_out {	2186	sub swap_out {
1493	my ($self) = @_;	2187	my ($self) = @_;
1494		2188
1495	# save first because save cedes	2189	# save first because save cedes
1496	$self->save;	2190	$self->save;
1497		2191
1498	my $lock = cf::lock_acquire "map_data:" . $self->path;	2192	my $lock = cf::lock_acquire "map_data:$self->{path}";
1499		2193
1500	return if $self->players;	2194	return if $self->players;
1501	return if $self->in_memory != cf::MAP_IN_MEMORY;	2195	return if $self->in_memory != cf::MAP_IN_MEMORY;
1502	return if $self->{deny_save};	2196	return if $self->{deny_save};
1503		2197
		2198	$self->in_memory (cf::MAP_SWAPPED);
		2199
		2200	$self->deactivate;
		2201	$_->clear_links_to ($self) for values %cf::MAP;
1504	$self->clear;	2202	$self->clear;
1505	$self->in_memory (cf::MAP_SWAPPED);
1506	}	2203	}
1507		2204
1508	sub reset_at {	2205	sub reset_at {
1509	my ($self) = @_;	2206	my ($self) = @_;
1510		2207
1511	# TODO: safety, remove and allow resettable per-player maps	2208	# TODO: safety, remove and allow resettable per-player maps
1512	return 1e99 if $self->{path}{user_rel};
1513	return 1e99 if $self->{deny_reset};	2209	return 1e99 if $self->{deny_reset};
1514		2210
1515	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2211	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1516	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2212	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1517		2213
…		…
1522	my ($self) = @_;	2218	my ($self) = @_;
1523		2219
1524	$self->reset_at <= $cf::RUNTIME	2220	$self->reset_at <= $cf::RUNTIME
1525	}	2221	}
1526		2222
1527	sub unlink_save {
1528	my ($self) = @_;
1529
1530	utf8::encode (my $save = $self->{path}->save_path);
1531	aioreq_pri 3; IO::AIO::aio_unlink $save;
1532	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1533	}
1534
1535	sub rename {
1536	my ($self, $new_path) = @_;
1537
1538	$self->unlink_save;
1539
1540	delete $cf::MAP{$self->path};
1541	$self->{path} = new cf::path $new_path;
1542	$self->path ($self->{path}->as_string);
1543	$cf::MAP{$self->path} = $self;
1544
1545	$self->save;
1546	}
1547
1548	sub reset {	2223	sub reset {
1549	my ($self) = @_;	2224	my ($self) = @_;
1550		2225
1551	my $lock = cf::lock_acquire "map_data:" . $self->path;	2226	my $lock = cf::lock_acquire "map_data:$self->{path}";
1552		2227
1553	return if $self->players;	2228	return if $self->players;
1554	return if $self->{path}{user_rel};#d#
1555		2229
1556	warn "resetting map ", $self->path;#d#	2230	warn "resetting map ", $self->path;
		2231
		2232	$self->in_memory (cf::MAP_SWAPPED);
		2233
		2234	# need to save uniques path
		2235	unless ($self->{deny_save}) {
		2236	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2237
		2238	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2239	if $uniq;
		2240	}
1557		2241
1558	delete $cf::MAP{$self->path};	2242	delete $cf::MAP{$self->path};
1559		2243
		2244	$self->deactivate;
1560	$_->clear_links_to ($self) for values %cf::MAP;	2245	$_->clear_links_to ($self) for values %cf::MAP;
		2246	$self->clear;
1561		2247
1562	$self->unlink_save;	2248	$self->unlink_save;
1563	$self->destroy;	2249	$self->destroy;
1564	}	2250	}
1565		2251
1566	my $nuke_counter = "aaaa";	2252	my $nuke_counter = "aaaa";
1567		2253
1568	sub nuke {	2254	sub nuke {
1569	my ($self) = @_;	2255	my ($self) = @_;
1570		2256
		2257	{
		2258	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2259
		2260	delete $cf::MAP{$self->path};
		2261
		2262	$self->unlink_save;
		2263
		2264	bless $self, "cf::map";
		2265	delete $self->{deny_reset};
1571	$self->{deny_save} = 1;	2266	$self->{deny_save} = 1;
1572	$self->reset_timeout (1);	2267	$self->reset_timeout (1);
1573	$self->rename ("{nuke}/" . ($nuke_counter++));	2268	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2269
		2270	$cf::MAP{$self->path} = $self;
		2271	}
		2272
1574	$self->reset; # polite request, might not happen	2273	$self->reset; # polite request, might not happen
1575	}	2274	}
1576		2275
1577	sub customise_for {	2276	=item $maps = cf::map::tmp_maps
1578	my ($map, $ob) = @_;
1579		2277
1580	if ($map->per_player) {	2278	Returns an arrayref with all map paths of currently instantiated and saved
1581	return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};	2279	maps. May block.
		2280
		2281	=cut
		2282
		2283	sub tmp_maps() {
1582	}	2284	[
		2285	map {
		2286	utf8::decode $_;
		2287	/\.map$/
		2288	? normalise $_
		2289	: ()
		2290	} @{ aio_readdir $TMPDIR or [] }
		2291	]
		2292	}
1583		2293
1584	$map	2294	=item $maps = cf::map::random_maps
		2295
		2296	Returns an arrayref with all map paths of currently instantiated and saved
		2297	random maps. May block.
		2298
		2299	=cut
		2300
		2301	sub random_maps() {
		2302	[
		2303	map {
		2304	utf8::decode $_;
		2305	/\.map$/
		2306	? normalise "?random/$_"
		2307	: ()
		2308	} @{ aio_readdir $RANDOMDIR or [] }
		2309	]
1585	}	2310	}
1586		2311
1587	=item cf::map::unique_maps	2312	=item cf::map::unique_maps
1588		2313
1589	Returns an arrayref of cf::path's of all shared maps that have	2314	Returns an arrayref of paths of all shared maps that have
1590	instantiated unique items. May block.	2315	instantiated unique items. May block.
1591		2316
1592	=cut	2317	=cut
1593		2318
1594	sub unique_maps() {	2319	sub unique_maps() {
1595	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2320	[
1596	or return;	2321	map {
1597
1598	my @paths;
1599
1600	for (@$files) {
1601	utf8::decode $_;	2322	utf8::decode $_;
1602	next if /\.pst$/;	2323	/\.map$/
1603	next unless /^$PATH_SEP/o;	2324	? normalise $_
1604		2325	: ()
1605	push @paths, new cf::path $_;	2326	} @{ aio_readdir $UNIQUEDIR or [] }
1606	}	2327	]
1607
1608	\@paths
1609	}	2328	}
1610		2329
1611	package cf;	2330	package cf;
1612		2331
1613	=back	2332	=back
…		…
1631	map { $_, inv_recursive_ $_->inv } @_	2350	map { $_, inv_recursive_ $_->inv } @_
1632	}	2351	}
1633		2352
1634	sub inv_recursive {	2353	sub inv_recursive {
1635	inv_recursive_ inv $_[0]	2354	inv_recursive_ inv $_[0]
		2355	}
		2356
		2357	=item $ref = $ob->ref
		2358
		2359	creates and returns a persistent reference to an objetc that can be stored as a string.
		2360
		2361	=item $ob = cf::object::deref ($refstring)
		2362
		2363	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2364	even if the object actually exists. May block.
		2365
		2366	=cut
		2367
		2368	sub deref {
		2369	my ($ref) = @_;
		2370
		2371	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2372	my ($uuid, $name) = ($1, $2);
		2373	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2374	or return;
		2375	$pl->ob->uuid eq $uuid
		2376	or return;
		2377
		2378	$pl->ob
		2379	} else {
		2380	warn "$ref: cannot resolve object reference\n";
		2381	undef
		2382	}
1636	}	2383	}
1637		2384
1638	package cf;	2385	package cf;
1639		2386
1640	=back	2387	=back
…		…
1659		2406
1660	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2407	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1661		2408
1662	if ($self->{record_replies}) {	2409	if ($self->{record_replies}) {
1663	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2410	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2411
1664	} else {	2412	} else {
		2413	my $pl = $self->contr;
		2414
		2415	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2416	my $dialog = $pl->{npc_dialog};
		2417	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2418
		2419	} else {
1665	$msg = $npc->name . " says: $msg" if $npc;	2420	$msg = $npc->name . " says: $msg" if $npc;
1666	$self->message ($msg, $flags);	2421	$self->message ($msg, $flags);
		2422	}
1667	}	2423	}
		2424	}
		2425
		2426	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2427
		2428	=cut
		2429
		2430	sub cf::object::send_msg {
		2431	my $pl = shift->contr
		2432	or return;
		2433	$pl->send_msg (@_);
1668	}	2434	}
1669		2435
1670	=item $player_object->may ("access")	2436	=item $player_object->may ("access")
1671		2437
1672	Returns wether the given player is authorized to access resource "access"	2438	Returns wether the given player is authorized to access resource "access"
…		…
1685		2451
1686	=item $player_object->enter_link	2452	=item $player_object->enter_link
1687		2453
1688	Freezes the player and moves him/her to a special map (C<{link}>).	2454	Freezes the player and moves him/her to a special map (C<{link}>).
1689		2455
1690	The player should be reaosnably safe there for short amounts of time. You	2456	The player should be reasonably safe there for short amounts of time. You
1691	I<MUST> call C<leave_link> as soon as possible, though.	2457	I<MUST> call C<leave_link> as soon as possible, though.
1692		2458
		2459	Will never block.
		2460
1693	=item $player_object->leave_link ($map, $x, $y)	2461	=item $player_object->leave_link ($map, $x, $y)
1694		2462
1695	Moves the player out of the specila link map onto the given map. If the	2463	Moves the player out of the special C<{link}> map onto the specified
1696	map is not valid (or omitted), the player will be moved back to the	2464	map. If the map is not valid (or omitted), the player will be moved back
1697	location he/she was before the call to C<enter_link>, or, if that fails,	2465	to the location he/she was before the call to C<enter_link>, or, if that
1698	to the emergency map position.	2466	fails, to the emergency map position.
1699		2467
1700	Might block.	2468	Might block.
1701		2469
1702	=cut	2470	=cut
		2471
		2472	sub link_map {
		2473	unless ($LINK_MAP) {
		2474	$LINK_MAP = cf::map::find "{link}"
		2475	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		2476	$LINK_MAP->load;
		2477	}
		2478
		2479	$LINK_MAP
		2480	}
1703		2481
1704	sub cf::object::player::enter_link {	2482	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2483	my ($self) = @_;
1706		2484
1707	$self->deactivate_recursive;	2485	$self->deactivate_recursive;
1708		2486
1709	return if $self->map == $LINK_MAP;	2487	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2488
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2489	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2490	if $self->map && $self->map->{path} ne "{link}";
1713		2491
1714	$self->enter_map ($LINK_MAP, 20, 20);	2492	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1715	}	2493	}
1716		2494
1717	sub cf::object::player::leave_link {	2495	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2496	my ($self, $map, $x, $y) = @_;
		2497
		2498	return unless $self->contr->active;
1719		2499
1720	my $link_pos = delete $self->{_link_pos};	2500	my $link_pos = delete $self->{_link_pos};
1721		2501
1722	unless ($map) {	2502	unless ($map) {
1723	# restore original map position	2503	# restore original map position
…		…
1737	# use -1 or undef as default coordinates, not 0, 0	2517	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2518	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2519	if $x <=0 && $y <= 0;
1740		2520
1741	$map->load;	2521	$map->load;
1742	$map->load_diag;	2522	$map->load_neighbours;
1743		2523
1744	return unless $self->contr->active;	2524	return unless $self->contr->active;
1745	$self->activate_recursive;	2525	$self->activate_recursive;
		2526
		2527	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1746	$self->enter_map ($map, $x, $y);	2528	$self->enter_map ($map, $x, $y);
1747	}	2529	}
1748		2530
1749	cf::player->attach (	2531	=item $player_object->goto ($path, $x, $y[, $check->($map)[, $done->()]])
1750	on_logout => sub {
1751	my ($pl) = @_;
1752		2532
1753	# abort map switching before logout	2533	Moves the player to the given map-path and coordinates by first freezing
1754	if ($pl->ob->{_link_pos}) {	2534	her, loading and preparing them map, calling the provided $check callback
1755	cf::sync_job {	2535	that has to return the map if sucecssful, and then unfreezes the player on
1756	$pl->ob->leave_link	2536	the new (success) or old (failed) map position. In either case, $done will
1757	};	2537	be called at the end of this process.
1758	}
1759	},
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2538
1763	# try to abort aborted map switching on player login :)
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780
1781	=item $player_object->goto ($path, $x, $y)
1782
1783	=cut	2539	=cut
		2540
		2541	our $GOTOGEN;
1784		2542
1785	sub cf::object::player::goto {	2543	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2544	my ($self, $path, $x, $y, $check, $done) = @_;
1787		2545
1788	$path = new cf::path $path;	2546	# do generation counting so two concurrent goto's will be executed in-order
		2547	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1789		2548
1790	$self->enter_link;	2549	$self->enter_link;
1791		2550
1792	(async {	2551	(async {
1793	my $map = cf::map::find $path->as_string;	2552	$Coro::current->{desc} = "player::goto $path $x $y";
		2553
		2554	# *tag paths override both path and x|y
		2555	if ($path =~ /^\*(.*)$/) {
		2556	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2557	my $ob = $obs[rand @obs];
		2558
		2559	# see if we actually can go there
		2560	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2561	$ob = $obs[rand @obs];
		2562	} else {
		2563	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2564	}
		2565	# else put us there anyways for now #d#
		2566
		2567	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2568	} else {
		2569	($path, $x, $y) = (undef, undef, undef);
		2570	}
		2571	}
		2572
		2573	my $map = eval {
		2574	my $map = defined $path ? cf::map::find $path : undef;
		2575
		2576	if ($map) {
1794	$map = $map->customise_for ($self) if $map;	2577	$map = $map->customise_for ($self);
1795		2578	$map = $check->($map) if $check && $map;
1796	# warn "entering ", $map->path, " at ($x, $y)\n"	2579	} else {
1797	# if $map;
1798
1799	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2580	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2581	}
1800		2582
		2583	$map
		2584	};
		2585
		2586	if ($@) {
		2587	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2588	LOG llevError | logBacktrace, Carp::longmess $@;
		2589	}
		2590
		2591	if ($gen == $self->{_goto_generation}) {
		2592	delete $self->{_goto_generation};
1801	$self->leave_link ($map, $x, $y);	2593	$self->leave_link ($map, $x, $y);
		2594	}
		2595
		2596	$done->() if $done;
1802	})->prio (1);	2597	})->prio (1);
1803	}	2598	}
1804		2599
1805	=item $player_object->enter_exit ($exit_object)	2600	=item $player_object->enter_exit ($exit_object)
1806		2601
…		…
1808		2603
1809	sub parse_random_map_params {	2604	sub parse_random_map_params {
1810	my ($spec) = @_;	2605	my ($spec) = @_;
1811		2606
1812	my $rmp = { # defaults	2607	my $rmp = { # defaults
1813	xsize => 10,	2608	xsize => (cf::rndm 15, 40),
1814	ysize => 10,	2609	ysize => (cf::rndm 15, 40),
		2610	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2611	#layout => string,
1815	};	2612	};
1816		2613
1817	for (split /\n/, $spec) {	2614	for (split /\n/, $spec) {
1818	my ($k, $v) = split /\s+/, $_, 2;	2615	my ($k, $v) = split /\s+/, $_, 2;
1819		2616
…		…
1823	$rmp	2620	$rmp
1824	}	2621	}
1825		2622
1826	sub prepare_random_map {	2623	sub prepare_random_map {
1827	my ($exit) = @_;	2624	my ($exit) = @_;
		2625
		2626	my $guard = cf::lock_acquire "exit_prepare:$exit";
1828		2627
1829	# all this does is basically replace the /! path by	2628	# all this does is basically replace the /! path by
1830	# a new random map path (?random/...) with a seed	2629	# a new random map path (?random/...) with a seed
1831	# that depends on the exit object	2630	# that depends on the exit object
1832		2631
1833	my $rmp = parse_random_map_params $exit->msg;	2632	my $rmp = parse_random_map_params $exit->msg;
1834		2633
1835	if ($exit->map) {	2634	if ($exit->map) {
1836	$rmp->{region} = $exit->map->region_name;	2635	$rmp->{region} = $exit->region->name;
1837	$rmp->{origin_map} = $exit->map->path;	2636	$rmp->{origin_map} = $exit->map->path;
1838	$rmp->{origin_x} = $exit->x;	2637	$rmp->{origin_x} = $exit->x;
1839	$rmp->{origin_y} = $exit->y;	2638	$rmp->{origin_y} = $exit->y;
1840	}	2639	}
1841		2640
1842	$rmp->{random_seed} ||= $exit->random_seed;	2641	$rmp->{random_seed} ||= $exit->random_seed;
1843		2642
1844	my $data = cf::to_json $rmp;	2643	my $data = cf::encode_json $rmp;
1845	my $md5 = Digest::MD5::md5_hex $data;	2644	my $md5 = Digest::MD5::md5_hex $data;
		2645	my $meta = "$RANDOMDIR/$md5.meta";
1846		2646
1847	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2647	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1848	aio_write $fh, 0, (length $data), $data, 0;	2648	aio_write $fh, 0, (length $data), $data, 0;
		2649	undef $fh;
		2650	aio_rename "$meta~", $meta;
1849		2651
1850	$exit->slaying ("?random/$md5");	2652	$exit->slaying ("?random/$md5");
1851	$exit->msg (undef);	2653	$exit->msg (undef);
1852	}	2654	}
1853	}	2655	}
…		…
1855	sub cf::object::player::enter_exit {	2657	sub cf::object::player::enter_exit {
1856	my ($self, $exit) = @_;	2658	my ($self, $exit) = @_;
1857		2659
1858	return unless $self->type == cf::PLAYER;	2660	return unless $self->type == cf::PLAYER;
1859		2661
		2662	if ($exit->slaying eq "/!") {
		2663	#TODO: this should de-fi-ni-te-ly not be a sync-job
		2664	# the problem is that $exit might not survive long enough
		2665	# so it needs to be done right now, right here
		2666	cf::sync_job { prepare_random_map $exit };
		2667	}
		2668
		2669	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		2670	my $hp = $exit->stats->hp;
		2671	my $sp = $exit->stats->sp;
		2672
1860	$self->enter_link;	2673	$self->enter_link;
1861		2674
		2675	# if exit is damned, update players death & WoR home-position
		2676	$self->contr->savebed ($slaying, $hp, $sp)
		2677	if $exit->flag (FLAG_DAMNED);
		2678
1862	(async {	2679	(async {
		2680	$Coro::current->{desc} = "enter_exit $slaying $hp $sp";
		2681
1863	$self->deactivate_recursive; # just to be sure	2682	$self->deactivate_recursive; # just to be sure
1864	unless (eval {	2683	unless (eval {
1865	prepare_random_map $exit	2684	$self->goto ($slaying, $hp, $sp);
1866	if $exit->slaying eq "/!";
1867
1868	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1869	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1870		2685
1871	1;	2686	1;
1872	}) {	2687	}) {
1873	$self->message ("Something went wrong deep within the crossfire server. "	2688	$self->message ("Something went wrong deep within the crossfire server. "
1874	. "I'll try to bring you back to the map you were before. "	2689	. "I'll try to bring you back to the map you were before. "
1875	. "Please report this to the dungeon master!",	2690	. "Please report this to the dungeon master!",
1876	cf::NDI_UNIQUE | cf::NDI_RED);	2691	cf::NDI_UNIQUE | cf::NDI_RED);
1877		2692
1878	warn "ERROR in enter_exit: $@";	2693	warn "ERROR in enter_exit: $@";
1879	$self->leave_link;	2694	$self->leave_link;
1880	}	2695	}
1881	})->prio (1);	2696	})->prio (1);
…		…
1894		2709
1895	sub cf::client::send_drawinfo {	2710	sub cf::client::send_drawinfo {
1896	my ($self, $text, $flags) = @_;	2711	my ($self, $text, $flags) = @_;
1897		2712
1898	utf8::encode $text;	2713	utf8::encode $text;
1899	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2714	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1900	}	2715	}
1901		2716
		2717	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2718
		2719	Send a drawinfo or msg packet to the client, formatting the msg for the
		2720	client if neccessary. C<$type> should be a string identifying the type of
		2721	the message, with C<log> being the default. If C<$color> is negative, suppress
		2722	the message unless the client supports the msg packet.
		2723
		2724	=cut
		2725
		2726	# non-persistent channels (usually the info channel)
		2727	our %CHANNEL = (
		2728	"c/identify" => {
		2729	id => "infobox",
		2730	title => "Identify",
		2731	reply => undef,
		2732	tooltip => "Items recently identified",
		2733	},
		2734	"c/examine" => {
		2735	id => "infobox",
		2736	title => "Examine",
		2737	reply => undef,
		2738	tooltip => "Signs and other items you examined",
		2739	},
		2740	"c/book" => {
		2741	id => "infobox",
		2742	title => "Book",
		2743	reply => undef,
		2744	tooltip => "The contents of a note or book",
		2745	},
		2746	"c/lookat" => {
		2747	id => "infobox",
		2748	title => "Look",
		2749	reply => undef,
		2750	tooltip => "What you saw there",
		2751	},
		2752	"c/who" => {
		2753	id => "infobox",
		2754	title => "Players",
		2755	reply => undef,
		2756	tooltip => "Shows players who are currently online",
		2757	},
		2758	"c/body" => {
		2759	id => "infobox",
		2760	title => "Body Parts",
		2761	reply => undef,
		2762	tooltip => "Shows which body parts you posess and are available",
		2763	},
		2764	"c/uptime" => {
		2765	id => "infobox",
		2766	title => "Uptime",
		2767	reply => undef,
		2768	tooltip => "How long the server has been running since last restart",
		2769	},
		2770	"c/mapinfo" => {
		2771	id => "infobox",
		2772	title => "Map Info",
		2773	reply => undef,
		2774	tooltip => "Information related to the maps",
		2775	},
		2776	);
		2777
		2778	sub cf::client::send_msg {
		2779	my ($self, $channel, $msg, $color, @extra) = @_;
		2780
		2781	$msg = $self->pl->expand_cfpod ($msg);
		2782
		2783	$color &= cf::NDI_CLIENT_MASK; # just in case...
		2784
		2785	# check predefined channels, for the benefit of C
		2786	if ($CHANNEL{$channel}) {
		2787	$channel = $CHANNEL{$channel};
		2788
		2789	$self->ext_msg (channel_info => $channel)
		2790	if $self->can_msg;
		2791
		2792	$channel = $channel->{id};
		2793
		2794	} elsif (ref $channel) {
		2795	# send meta info to client, if not yet sent
		2796	unless (exists $self->{channel}{$channel->{id}}) {
		2797	$self->{channel}{$channel->{id}} = $channel;
		2798	$self->ext_msg (channel_info => $channel)
		2799	if $self->can_msg;
		2800	}
		2801
		2802	$channel = $channel->{id};
		2803	}
		2804
		2805	return unless @extra || length $msg;
		2806
		2807	if ($self->can_msg) {
		2808	# default colour, mask it out
		2809	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		2810	if $color & cf::NDI_DEF;
		2811
		2812	$self->send_packet ("msg " . $self->{json_coder}->encode (
		2813	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]));
		2814	} else {
		2815	if ($color >= 0) {
		2816	# replace some tags by gcfclient-compatible ones
		2817	for ($msg) {
		2818	1 while
		2819	s/<b>([^<]*)<\/b>/[b]${1}[\/b]/
		2820	|| s/<i>([^<]*)<\/i>/[i]${1}[\/i]/
		2821	|| s/<u>([^<]*)<\/u>/[ul]${1}[\/ul]/
		2822	|| s/<tt>([^<]*)<\/tt>/[fixed]${1}[\/fixed]/
		2823	|| s/<fg name=\"([^"]+)\">([^<]*)<\/fg>/[color=$1]${2}[\/color]/;
		2824	}
		2825
		2826	$color &= cf::NDI_COLOR_MASK;
		2827
		2828	utf8::encode $msg;
		2829
		2830	if (0 && $msg =~ /\[/) {
		2831	# COMMAND/INFO
		2832	$self->send_packet ("drawextinfo $color 10 8 $msg")
		2833	} else {
		2834	$msg =~ s/\[\/?(?:b|i|u|fixed|color)[^\]]*\]//g;
		2835	$self->send_packet ("drawinfo $color $msg")
		2836	}
		2837	}
		2838	}
		2839	}
		2840
		2841	=item $client->ext_msg ($type, @msg)
		2842
		2843	Sends an ext event to the client.
		2844
		2845	=cut
		2846
		2847	sub cf::client::ext_msg($$@) {
		2848	my ($self, $type, @msg) = @_;
		2849
		2850	if ($self->extcmd == 2) {
		2851	$self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		2852	} elsif ($self->extcmd == 1) { # TODO: remove
		2853	push @msg, msgtype => "event_$type";
		2854	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2855	}
		2856	}
		2857
		2858	=item $client->ext_reply ($msgid, @msg)
		2859
		2860	Sends an ext reply to the client.
		2861
		2862	=cut
		2863
		2864	sub cf::client::ext_reply($$@) {
		2865	my ($self, $id, @msg) = @_;
		2866
		2867	if ($self->extcmd == 2) {
		2868	$self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		2869	} elsif ($self->extcmd == 1) {
		2870	#TODO: version 1, remove
		2871	unshift @msg, msgtype => "reply", msgid => $id;
		2872	$self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		2873	}
		2874	}
1902		2875
1903	=item $success = $client->query ($flags, "text", \&cb)	2876	=item $success = $client->query ($flags, "text", \&cb)
1904		2877
1905	Queues a query to the client, calling the given callback with	2878	Queues a query to the client, calling the given callback with
1906	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	2879	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1907	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	2880	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1908		2881
1909	Queries can fail, so check the return code. Or don't, as queries will become	2882	Queries can fail, so check the return code. Or don't, as queries will
1910	reliable at some point in the future.	2883	become reliable at some point in the future.
1911		2884
1912	=cut	2885	=cut
1913		2886
1914	sub cf::client::query {	2887	sub cf::client::query {
1915	my ($self, $flags, $text, $cb) = @_;	2888	my ($self, $flags, $text, $cb) = @_;
…		…
1923	utf8::encode $text;	2896	utf8::encode $text;
1924	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	2897	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1925		2898
1926	$self->send_packet ($self->{query_queue}[0][0])	2899	$self->send_packet ($self->{query_queue}[0][0])
1927	if @{ $self->{query_queue} } == 1;	2900	if @{ $self->{query_queue} } == 1;
		2901
		2902	1
1928	}	2903	}
1929		2904
1930	cf::client->attach (	2905	cf::client->attach (
		2906	on_connect => sub {
		2907	my ($ns) = @_;
		2908
		2909	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		2910	},
1931	on_reply => sub {	2911	on_reply => sub {
1932	my ($ns, $msg) = @_;	2912	my ($ns, $msg) = @_;
1933		2913
1934	# this weird shuffling is so that direct followup queries	2914	# this weird shuffling is so that direct followup queries
1935	# get handled first	2915	# get handled first
1936	my $queue = delete $ns->{query_queue}	2916	my $queue = delete $ns->{query_queue}
1937	or return; # be conservative, not sure how that can happen, but we saw a crash here	2917	or return; # be conservative, not sure how that can happen, but we saw a crash here
1938		2918
1939	(shift @$queue)->[1]->($msg);	2919	(shift @$queue)->[1]->($msg);
		2920	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1940		2921
1941	push @{ $ns->{query_queue} }, @$queue;	2922	push @{ $ns->{query_queue} }, @$queue;
1942		2923
1943	if (@{ $ns->{query_queue} } == @$queue) {	2924	if (@{ $ns->{query_queue} } == @$queue) {
1944	if (@$queue) {	2925	if (@$queue) {
…		…
1946	} else {	2927	} else {
1947	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	2928	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1948	}	2929	}
1949	}	2930	}
1950	},	2931	},
		2932	on_exticmd => sub {
		2933	my ($ns, $buf) = @_;
		2934
		2935	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		2936
		2937	if (ref $msg) {
		2938	my ($type, $reply, @payload) =
		2939	"ARRAY" eq ref $msg
		2940	? @$msg
		2941	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		2942
		2943	my @reply;
		2944
		2945	if (my $cb = $EXTICMD{$type}) {
		2946	@reply = $cb->($ns, @payload);
		2947	}
		2948
		2949	$ns->ext_reply ($reply, @reply)
		2950	if $reply;
		2951
		2952	} else {
		2953	warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		2954	}
		2955
		2956	cf::override;
		2957	},
1951	);	2958	);
1952		2959
1953	=item $client->async (\&cb)	2960	=item $client->async (\&cb)
1954		2961
1955	Create a new coroutine, running the specified callback. The coroutine will	2962	Create a new coroutine, running the specified callback. The coroutine will
…		…
1996	our $safe = new Safe "safe";	3003	our $safe = new Safe "safe";
1997	our $safe_hole = new Safe::Hole;	3004	our $safe_hole = new Safe::Hole;
1998		3005
1999	$SIG{FPE} = 'IGNORE';	3006	$SIG{FPE} = 'IGNORE';
2000		3007
2001	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3008	$safe->permit_only (Opcode::opset qw(
		3009	:base_core :base_mem :base_orig :base_math
		3010	grepstart grepwhile mapstart mapwhile
		3011	sort time
		3012	));
2002		3013
2003	# here we export the classes and methods available to script code	3014	# here we export the classes and methods available to script code
2004		3015
2005	=pod	3016	=pod
2006		3017
2007	The following fucntions and emthods are available within a safe environment:	3018	The following functions and methods are available within a safe environment:
2008		3019
2009	cf::object contr pay_amount pay_player map	3020	cf::object
		3021	contr pay_amount pay_player map x y force_find force_add destroy
		3022	insert remove name archname title slaying race decrease_ob_nr
		3023
2010	cf::object::player player	3024	cf::object::player
2011	cf::player peaceful	3025	player
2012	cf::map trigger	3026
		3027	cf::player
		3028	peaceful
		3029
		3030	cf::map
		3031	trigger
2013		3032
2014	=cut	3033	=cut
2015		3034
2016	for (	3035	for (
2017	["cf::object" => qw(contr pay_amount pay_player map)],	3036	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3037	insert remove inv name archname title slaying race
		3038	decrease_ob_nr destroy)],
2018	["cf::object::player" => qw(player)],	3039	["cf::object::player" => qw(player)],
2019	["cf::player" => qw(peaceful)],	3040	["cf::player" => qw(peaceful)],
2020	["cf::map" => qw(trigger)],	3041	["cf::map" => qw(trigger)],
2021	) {	3042	) {
2022	no strict 'refs';	3043	no strict 'refs';
…		…
2093	=back	3114	=back
2094		3115
2095	=cut	3116	=cut
2096		3117
2097	#############################################################################	3118	#############################################################################
		3119	# the server's init and main functions
2098		3120
2099	=head2 EXTENSION DATABASE SUPPORT	3121	sub load_facedata($) {
		3122	my ($path) = @_;
2100		3123
2101	Crossfire maintains a very simple database for extension use. It can	3124	# HACK to clear player env face cache, we need some signal framework
2102	currently store anything that can be serialised using Storable, which	3125	# for this (global event?)
2103	excludes objects.	3126	%ext::player_env::MUSIC_FACE_CACHE = ();
2104		3127
2105	The parameter C<$family> should best start with the name of the extension	3128	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2106	using it, it should be unique.
2107		3129
2108	=over 4	3130	warn "loading facedata from $path\n";
2109		3131
2110	=item $hashref = cf::db_get $family	3132	my $facedata;
		3133	0 < aio_load $path, $facedata
		3134	or die "$path: $!";
2111		3135
2112	Return a hashref for use by the extension C<$family>, which can be	3136	$facedata = Coro::Storable::thaw $facedata;
2113	modified. After modifications, you have to call C<cf::db_dirty> or
2114	C<cf::db_sync>.
2115		3137
2116	=item $value = cf::db_get $family => $key	3138	$facedata->{version} == 2
		3139	or cf::cleanup "$path: version mismatch, cannot proceed.";
2117		3140
2118	Returns a single value from the database	3141	# patch in the exptable
2119		3142	$facedata->{resource}{"res/exp_table"} = {
2120	=item cf::db_put $family => $hashref	3143	type => FT_RSRC,
2121		3144	data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2122	Stores the given family hashref into the database. Updates are delayed, if
2123	you want the data to be synced to disk immediately, use C<cf::db_sync>.
2124
2125	=item cf::db_put $family => $key => $value
2126
2127	Stores the given C<$value> in the family hash. Updates are delayed, if you
2128	want the data to be synced to disk immediately, use C<cf::db_sync>.
2129
2130	=item cf::db_dirty
2131
2132	Marks the database as dirty, to be updated at a later time.
2133
2134	=item cf::db_sync
2135
2136	Immediately write the database to disk I<if it is dirty>.
2137
2138	=cut
2139
2140	our $DB;
2141
2142	{
2143	my $path = cf::localdir . "/database.pst";
2144
2145	sub db_load() {
2146	$DB = stat $path ? Storable::retrieve $path : { };
2147	}
2148
2149	my $pid;
2150
2151	sub db_save() {
2152	waitpid $pid, 0 if $pid;
2153	if (0 == ($pid = fork)) {
2154	$DB->{_meta}{version} = 1;
2155	Storable::nstore $DB, "$path~";
2156	rename "$path~", $path;
2157	cf::_exit 0 if defined $pid;
2158	}
2159	}
2160
2161	my $dirty;
2162
2163	sub db_sync() {
2164	db_save if $dirty;
2165	undef $dirty;
2166	}
2167
2168	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2169	db_sync;
2170	});	3145	};
		3146	cf::cede_to_tick;
2171		3147
2172	sub db_dirty() {
2173	$dirty = 1;
2174	$idle->start;
2175	}	3148	{
		3149	my $faces = $facedata->{faceinfo};
2176		3150
2177	sub db_get($;$) {	3151	while (my ($face, $info) = each %$faces) {
2178	@_ >= 2	3152	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2179	? $DB->{$_[0]}{$_[1]}	3153	cf::face::set_visibility $idx, $info->{visibility};
2180	: ($DB->{$_[0]} ||= { })	3154	cf::face::set_magicmap $idx, $info->{magicmap};
2181	}	3155	cf::face::set_data $idx, 0, $info->{data32}, Digest::MD5::md5 $info->{data32};
		3156	cf::face::set_data $idx, 1, $info->{data64}, Digest::MD5::md5 $info->{data64};
2182		3157
2183	sub db_put($$;$) {	3158	cf::cede_to_tick;
2184	if (@_ >= 3) {
2185	$DB->{$_[0]}{$_[1]} = $_[2];
2186	} else {
2187	$DB->{$_[0]} = $_[1];
2188	}
2189	db_dirty;
2190	}
2191
2192	cf::global->attach (
2193	prio => 10000,
2194	on_cleanup => sub {
2195	db_sync;
2196	},	3159	}
2197	);
2198	}
2199		3160
2200	#############################################################################	3161	while (my ($face, $info) = each %$faces) {
2201	# the server's main()	3162	next unless $info->{smooth};
		3163	my $idx = cf::face::find $face
		3164	or next;
		3165	if (my $smooth = cf::face::find $info->{smooth}) {
		3166	cf::face::set_smooth $idx, $smooth;
		3167	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3168	} else {
		3169	warn "smooth face '$info->{smooth}' not found for face '$face'";
		3170	}
2202		3171
2203	sub cfg_load {	3172	cf::cede_to_tick;
		3173	}
		3174	}
		3175
		3176	{
		3177	my $anims = $facedata->{animinfo};
		3178
		3179	while (my ($anim, $info) = each %$anims) {
		3180	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3181	cf::cede_to_tick;
		3182	}
		3183
		3184	cf::anim::invalidate_all; # d'oh
		3185	}
		3186
		3187	{
		3188	# TODO: for gcfclient pleasure, we should give resources
		3189	# that gcfclient doesn't grok a >10000 face index.
		3190	my $res = $facedata->{resource};
		3191
		3192	my $soundconf = delete $res->{"res/sound.conf"};
		3193
		3194	while (my ($name, $info) = each %$res) {
		3195	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3196	my $data;
		3197
		3198	if ($info->{type} & 1) {
		3199	# prepend meta info
		3200
		3201	my $meta = $enc->encode ({
		3202	name => $name,
		3203	%{ $info->{meta} || {} },
		3204	});
		3205
		3206	$data = pack "(w/a*)*", $meta, $info->{data};
		3207	} else {
		3208	$data = $info->{data};
		3209	}
		3210
		3211	cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
		3212	cf::face::set_type $idx, $info->{type};
		3213
		3214	cf::cede_to_tick;
		3215	}
		3216
		3217	if ($soundconf) {
		3218	$soundconf = $enc->decode (delete $soundconf->{data});
		3219
		3220	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3221	my $sound = $soundconf->{compat}[$_]
		3222	or next;
		3223
		3224	my $face = cf::face::find "sound/$sound->[1]";
		3225	cf::sound::set $sound->[0] => $face;
		3226	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3227	}
		3228
		3229	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3230	my $face = cf::face::find "sound/$v";
		3231	cf::sound::set $k => $face;
		3232	}
		3233	}
		3234	}
		3235
		3236	1
		3237	}
		3238
		3239	register_exticmd fx_want => sub {
		3240	my ($ns, $want) = @_;
		3241
		3242	while (my ($k, $v) = each %$want) {
		3243	$ns->fx_want ($k, $v);
		3244	}
		3245	};
		3246
		3247	sub reload_regions {
		3248	# HACK to clear player env face cache, we need some signal framework
		3249	# for this (global event?)
		3250	%ext::player_env::MUSIC_FACE_CACHE = ();
		3251
		3252	load_resource_file "$MAPDIR/regions"
		3253	or die "unable to load regions file\n";
		3254
		3255	for (cf::region::list) {
		3256	$_->{match} = qr/$_->{match}/
		3257	if exists $_->{match};
		3258	}
		3259	}
		3260
		3261	sub reload_facedata {
		3262	load_facedata "$DATADIR/facedata"
		3263	or die "unable to load facedata\n";
		3264	}
		3265
		3266	sub reload_archetypes {
		3267	load_resource_file "$DATADIR/archetypes"
		3268	or die "unable to load archetypes\n";
		3269	#d# NEED to laod twice to resolve forward references
		3270	# this really needs to be done in an extra post-pass
		3271	# (which needs to be synchronous, so solve it differently)
		3272	load_resource_file "$DATADIR/archetypes"
		3273	or die "unable to load archetypes\n";
		3274	}
		3275
		3276	sub reload_treasures {
		3277	load_resource_file "$DATADIR/treasures"
		3278	or die "unable to load treasurelists\n";
		3279	}
		3280
		3281	sub reload_resources {
		3282	warn "reloading resource files...\n";
		3283
		3284	reload_regions;
		3285	reload_facedata;
		3286	#reload_archetypes;#d#
		3287	reload_archetypes;
		3288	reload_treasures;
		3289
		3290	warn "finished reloading resource files\n";
		3291	}
		3292
		3293	sub init {
		3294	reload_resources;
		3295	}
		3296
		3297	sub reload_config {
2204	open my $fh, "<:utf8", cf::confdir . "/config"	3298	open my $fh, "<:utf8", "$CONFDIR/config"
2205	or return;	3299	or return;
2206		3300
2207	local $/;	3301	local $/;
2208	*CFG = YAML::Syck::Load <$fh>;	3302	*CFG = YAML::Syck::Load <$fh>;
2209		3303
…		…
2223		3317
2224	sub main {	3318	sub main {
2225	# we must not ever block the main coroutine	3319	# we must not ever block the main coroutine
2226	local $Coro::idle = sub {	3320	local $Coro::idle = sub {
2227	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3321	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2228	async { Event::one_event };	3322	(async {
		3323	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3324	EV::loop EV::LOOP_ONESHOT;
		3325	})->prio (Coro::PRIO_MAX);
2229	};	3326	};
2230		3327
2231	cfg_load;	3328	reload_config;
2232	db_load;	3329	db_init;
2233	load_extensions;	3330	load_extensions;
		3331
		3332	$TICK_WATCHER->start;
		3333	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
2234	Event::loop;	3334	EV::loop;
2235	}	3335	}
2236		3336
2237	#############################################################################	3337	#############################################################################
2238	# initialisation and cleanup	3338	# initialisation and cleanup
2239		3339
2240	# install some emergency cleanup handlers	3340	# install some emergency cleanup handlers
2241	BEGIN {	3341	BEGIN {
		3342	our %SIGWATCHER = ();
2242	for my $signal (qw(INT HUP TERM)) {	3343	for my $signal (qw(INT HUP TERM)) {
2243	Event->signal (	3344	$SIGWATCHER{$signal} = EV::signal $signal, sub {
2244	data => WF_AUTOCANCEL,
2245	signal => $signal,
2246	cb => sub {
2247	cf::cleanup "SIG$signal";	3345	cf::cleanup "SIG$signal";
2248	},
2249	);	3346	};
		3347	}
		3348	}
		3349
		3350	sub write_runtime {
		3351	my $runtime = "$LOCALDIR/runtime";
		3352
		3353	# first touch the runtime file to show we are still running:
		3354	# the fsync below can take a very very long time.
		3355
		3356	IO::AIO::aio_utime $runtime, undef, undef;
		3357
		3358	my $guard = cf::lock_acquire "write_runtime";
		3359
		3360	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
		3361	or return;
		3362
		3363	my $value = $cf::RUNTIME + 90 + 10;
		3364	# 10 is the runtime save interval, for a monotonic clock
		3365	# 60 allows for the watchdog to kill the server.
		3366
		3367	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3368	and return;
		3369
		3370	# always fsync - this file is important
		3371	aio_fsync $fh
		3372	and return;
		3373
		3374	# touch it again to show we are up-to-date
		3375	aio_utime $fh, undef, undef;
		3376
		3377	close $fh
		3378	or return;
		3379
		3380	aio_rename "$runtime~", $runtime
		3381	and return;
		3382
		3383	warn "runtime file written.\n";
		3384
2250	}	3385	1
2251	}	3386	}
2252		3387
2253	sub emergency_save() {	3388	sub emergency_save() {
2254	my $freeze_guard = cf::freeze_mainloop;	3389	my $freeze_guard = cf::freeze_mainloop;
2255		3390
2256	warn "enter emergency perl save\n";	3391	warn "enter emergency perl save\n";
2257		3392
2258	cf::sync_job {	3393	cf::sync_job {
2259	# use a peculiar iteration method to avoid tripping on perl	3394	# use a peculiar iteration method to avoid tripping on perl
2260	# refcount bugs in for. also avoids problems with players	3395	# refcount bugs in for. also avoids problems with players
2261	# and maps saved/Destroyed asynchronously.	3396	# and maps saved/destroyed asynchronously.
2262	warn "begin emergency player save\n";	3397	warn "begin emergency player save\n";
2263	for my $login (keys %cf::PLAYER) {	3398	for my $login (keys %cf::PLAYER) {
2264	my $pl = $cf::PLAYER{$login} or next;	3399	my $pl = $cf::PLAYER{$login} or next;
2265	$pl->valid or next;	3400	$pl->valid or next;
		3401	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2266	$pl->save;	3402	$pl->save;
2267	}	3403	}
2268	warn "end emergency player save\n";	3404	warn "end emergency player save\n";
2269		3405
2270	warn "begin emergency map save\n";	3406	warn "begin emergency map save\n";
…		…
2272	my $map = $cf::MAP{$path} or next;	3408	my $map = $cf::MAP{$path} or next;
2273	$map->valid or next;	3409	$map->valid or next;
2274	$map->save;	3410	$map->save;
2275	}	3411	}
2276	warn "end emergency map save\n";	3412	warn "end emergency map save\n";
		3413
		3414	warn "begin emergency database checkpoint\n";
		3415	BDB::db_env_txn_checkpoint $DB_ENV;
		3416	warn "end emergency database checkpoint\n";
2277	};	3417	};
2278		3418
2279	warn "leave emergency perl save\n";	3419	warn "leave emergency perl save\n";
2280	}	3420	}
2281		3421
		3422	sub post_cleanup {
		3423	my ($make_core) = @_;
		3424
		3425	warn Carp::longmess "post_cleanup backtrace"
		3426	if $make_core;
		3427	}
		3428
2282	sub reload() {	3429	sub do_reload_perl() {
2283	# can/must only be called in main	3430	# can/must only be called in main
2284	if ($Coro::current != $Coro::main) {	3431	if ($Coro::current != $Coro::main) {
2285	warn "can only reload from main coroutine\n";	3432	warn "can only reload from main coroutine";
2286	return;	3433	return;
2287	}	3434	}
2288		3435
2289	warn "reloading...";	3436	warn "reloading...";
2290		3437
2291	warn "freezing server";	3438	warn "entering sync_job";
2292	my $guard = freeze_mainloop;	3439
		3440	cf::sync_job {
		3441	cf::write_runtime; # external watchdog should not bark
2293	cf::emergency_save;	3442	cf::emergency_save;
		3443	cf::write_runtime; # external watchdog should not bark
2294		3444
2295	warn "sync database to disk";	3445	warn "syncing database to disk";
2296	cf::db_sync;	3446	BDB::db_env_txn_checkpoint $DB_ENV;
2297	IO::AIO::flush;
2298		3447
2299	eval {
2300	# if anything goes wrong in here, we should simply crash as we already saved	3448	# if anything goes wrong in here, we should simply crash as we already saved
2301		3449
2302	warn "cancel all watchers";	3450	warn "flushing outstanding aio requests";
2303	for (Event::all_watchers) {	3451	for (;;) {
2304	$_->cancel if $_->data & WF_AUTOCANCEL;	3452	BDB::flush;
		3453	IO::AIO::flush;
		3454	Coro::cede_notself;
		3455	last unless IO::AIO::nreqs || BDB::nreqs;
		3456	warn "iterate...";
2305	}	3457	}
2306		3458
		3459	++$RELOAD;
		3460
2307	warn "cancel all extension coros";	3461	warn "cancelling all extension coros";
2308	$_->cancel for values %EXT_CORO;	3462	$_->cancel for values %EXT_CORO;
2309	%EXT_CORO = ();	3463	%EXT_CORO = ();
2310		3464
2311	warn "remove commands";	3465	warn "removing commands";
2312	%COMMAND = ();	3466	%COMMAND = ();
2313		3467
2314	warn "remove ext commands";	3468	warn "removing ext/exti commands";
2315	%EXTCMD = ();	3469	%EXTCMD = ();
		3470	%EXTICMD = ();
2316		3471
2317	warn "unload/nuke all extensions";	3472	warn "unloading/nuking all extensions";
2318	for my $pkg (@EXTS) {	3473	for my $pkg (@EXTS) {
2319	warn "unloading <$pkg>";	3474	warn "... unloading $pkg";
2320		3475
2321	if (my $cb = $pkg->can ("unload")) {	3476	if (my $cb = $pkg->can ("unload")) {
2322	eval {	3477	eval {
2323	$cb->($pkg);	3478	$cb->($pkg);
2324	1	3479	1
2325	} or warn "$pkg unloaded, but with errors: $@";	3480	} or warn "$pkg unloaded, but with errors: $@";
2326	}	3481	}
2327		3482
		3483	warn "... nuking $pkg";
2328	Symbol::delete_package $pkg;	3484	Symbol::delete_package $pkg;
2329	}	3485	}
2330		3486
2331	warn "unload all perl modules loaded from $LIBDIR";	3487	warn "unloading all perl modules loaded from $LIBDIR";
2332	while (my ($k, $v) = each %INC) {	3488	while (my ($k, $v) = each %INC) {
2333	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3489	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2334		3490
2335	warn "removing <$k>";	3491	warn "... unloading $k";
2336	delete $INC{$k};	3492	delete $INC{$k};
2337		3493
2338	$k =~ s/\.pm$//;	3494	$k =~ s/\.pm$//;
2339	$k =~ s/\//::/g;	3495	$k =~ s/\//::/g;
2340		3496
…		…
2343	}	3499	}
2344		3500
2345	Symbol::delete_package $k;	3501	Symbol::delete_package $k;
2346	}	3502	}
2347		3503
2348	warn "get rid of safe::, as good as possible";	3504	warn "getting rid of safe::, as good as possible";
2349	Symbol::delete_package "safe::$_"	3505	Symbol::delete_package "safe::$_"
2350	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3506	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2351		3507
2352	warn "unload cf.pm \"a bit\"";	3508	warn "unloading cf.pm \"a bit\"";
2353	delete $INC{"cf.pm"};	3509	delete $INC{"cf.pm"};
		3510	delete $INC{"cf/pod.pm"};
2354		3511
2355	# don't, removes xs symbols, too,	3512	# don't, removes xs symbols, too,
2356	# and global variables created in xs	3513	# and global variables created in xs
2357	#Symbol::delete_package __PACKAGE__;	3514	#Symbol::delete_package __PACKAGE__;
2358		3515
		3516	warn "unload completed, starting to reload now";
		3517
2359	warn "reloading cf.pm";	3518	warn "reloading cf.pm";
2360	require cf;	3519	require cf;
2361	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3520	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2362		3521
2363	warn "load config and database again";	3522	warn "loading config and database again";
2364	cf::cfg_load;	3523	cf::reload_config;
2365	cf::db_load;
2366		3524
2367	warn "load extensions";	3525	warn "loading extensions";
2368	cf::load_extensions;	3526	cf::load_extensions;
2369		3527
2370	warn "reattach attachments to objects/players";	3528	warn "reattaching attachments to objects/players";
2371	_global_reattach;	3529	_global_reattach; # objects, sockets
2372	warn "reattach attachments to maps";	3530	warn "reattaching attachments to maps";
2373	reattach $_ for values %MAP;	3531	reattach $_ for values %MAP;
2374	};	3532	warn "reattaching attachments to players";
		3533	reattach $_ for values %PLAYER;
2375		3534
2376	if ($@) {	3535	warn "leaving sync_job";
		3536
		3537	1
		3538	} or do {
2377	warn $@;	3539	warn $@;
2378	warn "error while reloading, exiting.";	3540	warn "error while reloading, exiting.";
2379	exit 1;	3541	exit 1;
2380	}	3542	};
2381		3543
2382	warn "reloaded";	3544	warn "reloaded";
2383	};	3545	};
2384		3546
2385	#############################################################################	3547	our $RELOAD_WATCHER; # used only during reload
2386		3548
2387	unless ($LINK_MAP) {	3549	sub reload_perl() {
2388	$LINK_MAP = cf::map::new;	3550	# doing reload synchronously and two reloads happen back-to-back,
		3551	# coro crashes during coro_state_free->destroy here.
2389		3552
2390	$LINK_MAP->width (41);	3553	$RELOAD_WATCHER ||= EV::timer 0, 0, sub {
2391	$LINK_MAP->height (41);	3554	undef $RELOAD_WATCHER;
2392	$LINK_MAP->alloc;	3555	do_reload_perl;
2393	$LINK_MAP->path ("{link}");	3556	};
2394	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2395	$LINK_MAP->in_memory (MAP_IN_MEMORY);
2396
2397	# dirty hack because... archetypes are not yet loaded
2398	Event->timer (
2399	after => 10,
2400	cb => sub {
2401	$_[0]->w->cancel;
2402
2403	# provide some exits "home"
2404	my $exit = cf::object::new "exit";
2405
2406	$exit->slaying ($EMERGENCY_POSITION->[0]);
2407	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
2408	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2409
2410	$LINK_MAP->insert ($exit->clone, 19, 19);
2411	$LINK_MAP->insert ($exit->clone, 19, 20);
2412	$LINK_MAP->insert ($exit->clone, 19, 21);
2413	$LINK_MAP->insert ($exit->clone, 20, 19);
2414	$LINK_MAP->insert ($exit->clone, 20, 21);
2415	$LINK_MAP->insert ($exit->clone, 21, 19);
2416	$LINK_MAP->insert ($exit->clone, 21, 20);
2417	$LINK_MAP->insert ($exit->clone, 21, 21);
2418
2419	$exit->destroy;
2420	});
2421
2422	$LINK_MAP->{deny_save} = 1;
2423	$LINK_MAP->{deny_reset} = 1;
2424
2425	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2426	}	3557	}
2427		3558
2428	register_command "reload" => sub {	3559	register_command "reload" => sub {
2429	my ($who, $arg) = @_;	3560	my ($who, $arg) = @_;
2430		3561
2431	if ($who->flag (FLAG_WIZ)) {	3562	if ($who->flag (FLAG_WIZ)) {
2432	$who->message ("start of reload.");
2433	reload;
2434	$who->message ("end of reload.");	3563	$who->message ("reloading server.");
		3564	async {
		3565	$Coro::current->{desc} = "perl_reload";
		3566	reload_perl;
		3567	};
2435	}	3568	}
2436	};	3569	};
2437		3570
2438	unshift @INC, $LIBDIR;	3571	unshift @INC, $LIBDIR;
2439		3572
2440	$TICK_WATCHER = Event->timer (	3573	my $bug_warning = 0;
2441	reentrant => 0,	3574
2442	prio => 0,	3575	our @WAIT_FOR_TICK;
2443	at => $NEXT_TICK || $TICK,	3576	our @WAIT_FOR_TICK_BEGIN;
2444	data => WF_AUTOCANCEL,	3577
2445	cb => sub {	3578	sub wait_for_tick {
		3579	return unless $TICK_WATCHER->is_active;
		3580	return if $Coro::current == $Coro::main;
		3581
		3582	my $signal = new Coro::Signal;
		3583	push @WAIT_FOR_TICK, $signal;
		3584	$signal->wait;
		3585	}
		3586
		3587	sub wait_for_tick_begin {
		3588	return unless $TICK_WATCHER->is_active;
		3589	return if $Coro::current == $Coro::main;
		3590
		3591	my $signal = new Coro::Signal;
		3592	push @WAIT_FOR_TICK_BEGIN, $signal;
		3593	$signal->wait;
		3594	}
		3595
		3596	$TICK_WATCHER = EV::periodic_ns 0, $TICK, 0, sub {
		3597	if ($Coro::current != $Coro::main) {
		3598	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		3599	unless ++$bug_warning > 10;
		3600	return;
		3601	}
		3602
		3603	$NOW = $tick_start = EV::now;
		3604
2446	cf::server_tick; # one server iteration	3605	cf::server_tick; # one server iteration
		3606
2447	$RUNTIME += $TICK;	3607	$RUNTIME += $TICK;
2448	$NEXT_TICK += $TICK;	3608	$NEXT_TICK += $TICK;
2449		3609
2450	$WAIT_FOR_TICK->broadcast;	3610	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2451	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;	3611	$NEXT_RUNTIME_WRITE = $NOW + 10;
2452		3612	Coro::async_pool {
2453	# if we are delayed by four ticks or more, skip them all	3613	$Coro::current->{desc} = "runtime saver";
2454	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2455
2456	$TICK_WATCHER->at ($NEXT_TICK);
2457	$TICK_WATCHER->start;
2458	},
2459	);
2460
2461	IO::AIO::max_poll_time $TICK * 0.2;
2462
2463	Event->io (
2464	fd => IO::AIO::poll_fileno,
2465	poll => 'r',
2466	prio => 5,
2467	data => WF_AUTOCANCEL,
2468	cb => \&IO::AIO::poll_cb,
2469	);
2470
2471	Event->timer (
2472	data => WF_AUTOCANCEL,
2473	after => 0,
2474	interval => 10,
2475	cb => sub {
2476	(Coro::unblock_sub {
2477	write_runtime	3614	write_runtime
2478	or warn "ERROR: unable to write runtime file: $!";	3615	or warn "ERROR: unable to write runtime file: $!";
2479	})->();	3616	};
2480	},	3617	}
2481	);	3618
		3619	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		3620	$sig->send;
		3621	}
		3622	while (my $sig = shift @WAIT_FOR_TICK) {
		3623	$sig->send;
		3624	}
		3625
		3626	$LOAD = ($NOW - $tick_start) / $TICK;
		3627	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		3628
		3629	_post_tick;
		3630	};
		3631	$TICK_WATCHER->priority (EV::MAXPRI);
		3632
		3633	{
		3634	BDB::min_parallel 8;
		3635	BDB::max_poll_time $TICK * 0.1;
		3636	$BDB_POLL_WATCHER = EV::io BDB::poll_fileno, EV::READ, \&BDB::poll_cb;
		3637
		3638	BDB::set_sync_prepare {
		3639	my $status;
		3640	my $current = $Coro::current;
		3641	(
		3642	sub {
		3643	$status = $!;
		3644	$current->ready; undef $current;
		3645	},
		3646	sub {
		3647	Coro::schedule while defined $current;
		3648	$! = $status;
		3649	},
		3650	)
		3651	};
		3652
		3653	unless ($DB_ENV) {
		3654	$DB_ENV = BDB::db_env_create;
		3655	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
		3656	| BDB::LOG_AUTOREMOVE, 1);
		3657	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		3658	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		3659
		3660	cf::sync_job {
		3661	eval {
		3662	BDB::db_env_open
		3663	$DB_ENV,
		3664	$BDBDIR,
		3665	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		3666	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		3667	0666;
		3668
		3669	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		3670	};
		3671
		3672	cf::cleanup "db_env_open(db): $@" if $@;
		3673	};
		3674	}
		3675
		3676	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		3677	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		3678	};
		3679	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		3680	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		3681	};
		3682	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		3683	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		3684	};
		3685	}
		3686
		3687	{
		3688	IO::AIO::min_parallel 8;
		3689
		3690	undef $Coro::AIO::WATCHER;
		3691	IO::AIO::max_poll_time $TICK * 0.1;
		3692	$AIO_POLL_WATCHER = EV::io IO::AIO::poll_fileno, EV::READ, \&IO::AIO::poll_cb;
		3693	}
		3694
		3695	my $_log_backtrace;
		3696
		3697	sub _log_backtrace {
		3698	my ($msg, @addr) = @_;
		3699
		3700	$msg =~ s/\n//;
		3701
		3702	# limit the # of concurrent backtraces
		3703	if ($_log_backtrace < 2) {
		3704	++$_log_backtrace;
		3705	async {
		3706	$Coro::current->{desc} = "abt $msg";
		3707
		3708	my @bt = fork_call {
		3709	@addr = map { sprintf "%x", $_ } @addr;
		3710	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		3711	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		3712	or die "addr2line: $!";
		3713
		3714	my @funcs;
		3715	my @res = <$fh>;
		3716	chomp for @res;
		3717	while (@res) {
		3718	my ($func, $line) = splice @res, 0, 2, ();
		3719	push @funcs, "[$func] $line";
		3720	}
		3721
		3722	@funcs
		3723	};
		3724
		3725	LOG llevInfo, "[ABT] $msg\n";
		3726	LOG llevInfo, "[ABT] $_\n" for @bt;
		3727	--$_log_backtrace;
		3728	};
		3729	} else {
		3730	LOG llevInfo, "[ABT] $msg\n";
		3731	LOG llevInfo, "[ABT] [suppressed]\n";
		3732	}
		3733	}
		3734
		3735	# load additional modules
		3736	use cf::pod;
2482		3737
2483	END { cf::emergency_save }	3738	END { cf::emergency_save }
2484		3739
2485	1	3740	1
2486		3741

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines